/* ==================== COMPONENTES ==================== */

/* BOTONES GENERALES */
button {
  padding: 10px 16px;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.2s;
  background: var(--bg-secondary);
  color: var(--text-primary);
  border: 2px solid var(--border-color);
}

.btn-secondary {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border: 2px solid var(--border-color);
}

.btn-secondary:hover {
  background: var(--bg-tertiary);
  border-color: var(--accent);
}

.btn-primary {
  background: #90100f;
  color: white;
  padding: 14px 24px;
  font-size: 16px;
  width: 100%;
}

.btn-primary:hover {
  background: #7a0d0c;
  transform: translateY(-1px);
}

.btn-primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

/* BOTONES DEL QUIZ DE CONOCIMIENTO PREVIO */
.btn-quiz-option {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border: 2px solid var(--border-color);
  padding: 16px;
  font-size: 16px;
  position: relative;
  width: 100%;
  transition: all 0.3s ease;
  font-weight: 500;
}

.btn-quiz-option:hover {
  background: var(--bg-secondary);
  border-color: #90100f;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(144, 16, 15, 0.15);
}

.btn-quiz-option:active,
.btn-quiz-option:focus,
.btn-quiz-option.btn-pressed {
  background: #90100f;
  border-color: #90100f;
  color: white;
  transform: translateY(0);
  box-shadow: 0 2px 8px rgba(144, 16, 15, 0.3);
}

.btn-quiz-number {
  position: absolute;
  top: 8px;
  right: 12px;
  background: rgba(0, 0, 0, 0.1);
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: bold;
  transition: all 0.3s ease;
}

.btn-quiz-option:hover .btn-quiz-number {
  background: rgba(144, 16, 15, 0.2);
  color: #90100f;
}

.btn-quiz-option:active .btn-quiz-number,
.btn-quiz-option:focus .btn-quiz-number,
.btn-quiz-option.btn-pressed .btn-quiz-number {
  background: rgba(255, 255, 255, 0.3);
  color: white;
}

.btn-guardar-progreso-quiz {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: #f59e0b;
  border: 2px solid #f59e0b;
  color: white;
  padding: 10px 20px;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 500;
  font-size: 14px;
  transition: all 0.3s ease;
  box-shadow: 0 2px 8px rgba(245, 158, 11, 0.3);
  z-index: 100;
}

.btn-guardar-progreso-quiz:hover {
  background: #d97706;
  border-color: #d97706;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(245, 158, 11, 0.4);
}

.btn-guardar-progreso-quiz:active {
  transform: translateY(0);
  box-shadow: 0 2px 6px rgba(245, 158, 11, 0.3);
}

.btn-guardar-progreso-lista {
  background: #f59e0b;
  border: 2px solid #f59e0b;
  color: white;
  padding: 10px 20px;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 500;
  font-size: 14px;
  transition: all 0.3s ease;
  box-shadow: 0 2px 8px rgba(245, 158, 11, 0.3);
}

.btn-guardar-progreso-lista:hover {
  background: #d97706;
  border-color: #d97706;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(245, 158, 11, 0.4);
}

.btn-guardar-progreso-lista:active {
  transform: translateY(0);
  box-shadow: 0 2px 6px rgba(245, 158, 11, 0.3);
}

/* Botón de borrar todo */
.btn-borrar-todo {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 36px;
  height: 36px;
  padding: 8px;
  border: 2px solid var(--border-color);
  border-radius: 8px;
  background: var(--bg-secondary);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
}

.btn-borrar-todo:hover {
  background: #fee4e2;
  border-color: #b42318;
  color: #b42318;
  transform: scale(1.05);
}

.btn-borrar-todo svg {
  width: 20px;
  height: 20px;
  transition: transform 0.2s;
}

.btn-borrar-todo:hover svg {
  transform: rotate(15deg);
}

/* Botón de filtro nivel fijo */
.btn-filtro-nivel-fijo {
  position: absolute;
  top: 20px;
  right: 64px;
  min-width: 36px;
  height: 36px;
  padding: 8px 12px;
  border: 2px solid var(--border-color);
  border-radius: 8px;
  background: var(--bg-secondary);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  z-index: 10;
  white-space: nowrap;
}

.btn-filtro-nivel-fijo .texto-filtro {
  font-size: 13px;
  font-weight: 600;
  display: inline;
}

.btn-filtro-nivel-fijo .texto-hsk {
  font-weight: 600;
  font-size: 13px;
}

.btn-filtro-nivel-fijo:hover {
  background: var(--bg-tertiary);
  border-color: #90100f;
  color: #90100f;
  transform: scale(1.05);
}

.btn-filtro-nivel-fijo.activo {
  background: #90100f;
  border-color: #90100f;
  color: white;
}

.btn-filtro-nivel-fijo.activo svg {
  color: white;
}

/* ==================== MENÚ DE USUARIO ==================== */
.user-menu-container {
  position: relative;
}

.user-menu-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: var(--bg-secondary);
  border: 2px solid var(--border-color);
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  min-width: 240px;
  z-index: 1000;
  overflow: hidden;
}

.user-menu-dropdown.show {
  display: block !important;
}

/* Header del menú con info del usuario */
.user-menu-header {
  padding: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--bg-tertiary);
}

.user-menu-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 2px solid var(--primary-color);
  flex-shrink: 0;
}

.user-menu-name {
  font-weight: 500;
  color: var(--text-primary);
  font-size: 14px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Separador */
.user-menu-divider {
  height: 1px;
  background: var(--border-color);
  margin: 0;
}

/* Items del menú */
.user-menu-item {
  width: 100%;
  padding: 12px 16px;
  background: none;
  border: none;
  text-align: left;
  cursor: pointer;
  font-size: 14px;
  color: var(--text-primary);
  transition: background 0.2s;
  display: flex;
  align-items: center;
  border-radius: 0;
}

.user-menu-item:hover {
  background: var(--bg-tertiary);
}


/* ==================== BOTÓN SCROLL ==================== */
.btn-scroll-bottom {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 100;

  background: linear-gradient(135deg, #90100f, #b42318);
  color: white;
  border: none;
  border-radius: 12px;
  padding: 12px 24px;

  display: none;
  /* Oculto por defecto, controlado por JS */
  align-items: center;
  gap: 8px;

  cursor: pointer;
  box-shadow: 0 4px 12px rgba(144, 16, 15, 0.3);
  transition: all 0.2s ease;

  font-size: 14px;
  font-weight: 600;
}

.btn-scroll-bottom:hover {
  transform: translateX(-50%) translateY(-2px);
  box-shadow: 0 6px 20px rgba(144, 16, 15, 0.4);
  background: linear-gradient(135deg, #b42318, #90100f);
}

.btn-scroll-bottom svg {
  animation: bounce 2s infinite;
}

@keyframes bounce {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(4px);
  }
}


/* ==================== CAMPO FECHA OBJETIVO ==================== */
#fecha-objetivo {
  width: 100%;
  padding: 10px 12px;
  border: 2px solid var(--border-color);
  border-radius: 8px;
  background: var(--bg-secondary);
  color: var(--text-primary);
  font-size: 14px;
  font-family: inherit;
  font-weight: 500;
  transition: all 0.2s ease;
  cursor: pointer;
}

#fecha-objetivo:hover {
  border-color: var(--accent);
  background: var(--bg-tertiary);
}

#fecha-objetivo:focus {
  outline: none;
  border-color: #90100f;
  box-shadow: 0 0 0 3px rgba(144, 16, 15, 0.1);
}

/* Icono del calendario */
#fecha-objetivo::-webkit-calendar-picker-indicator {
  cursor: pointer;
  padding: 4px;
  border-radius: 4px;
  transition: all 0.2s ease;
}

#fecha-objetivo::-webkit-calendar-picker-indicator:hover {
  background: var(--bg-tertiary);
}

/* Tema claro - icono normal */
[data-theme="light"] #fecha-objetivo::-webkit-calendar-picker-indicator {
  filter: opacity(0.6);
}

[data-theme="light"] #fecha-objetivo:hover::-webkit-calendar-picker-indicator {
  filter: opacity(1);
}

/* Tema oscuro - icono invertido */
[data-theme="dark"] #fecha-objetivo::-webkit-calendar-picker-indicator {
  filter: invert(1) brightness(0.8);
}

[data-theme="dark"] #fecha-objetivo:hover::-webkit-calendar-picker-indicator {
  filter: invert(1) brightness(1.2);
}

/* Color del texto del placeholder */
#fecha-objetivo::-webkit-datetime-edit-text,
#fecha-objetivo::-webkit-datetime-edit-month-field,
#fecha-objetivo::-webkit-datetime-edit-day-field,
#fecha-objetivo::-webkit-datetime-edit-year-field {
  color: var(--text-primary);
}

/* Cuando está vacío */
#fecha-objetivo:invalid {
  color: var(--text-tertiary);
}

/* Info del plan */
#plan-info {
  color: var(--text-secondary);
  display: none;
  margin-top: 8px;
  padding: 12px;
  background: var(--accent-light);
  border-radius: 8px;
  border-left: 3px solid #90100f;
  font-size: 13px;
  line-height: 1.5;
}

/* Botón calcular plan */
.btn-secondary {
  background: var(--bg-secondary);
  border: 2px solid var(--border-color);
  color: var(--text-primary);
  padding: 10px 16px;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 500;
  transition: all 0.2s ease;
  font-size: 14px;
}

.btn-secondary:hover {
  background: var(--accent-light);
  border-color: #90100f;
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}


/* ==================== CONFIGURACIÓN PDF ==================== */
.pdf-config {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 20px;
  background: var(--bg-secondary);
  border-radius: 12px;
  margin-top: 16px;

  /* Scroll interno para evitar desbordamiento */
  max-height: calc(100vh - 200px);
  overflow-y: auto;
  scroll-behavior: smooth;
}

/* Scroll personalizado */
.pdf-config::-webkit-scrollbar {
  width: 8px;
}

.pdf-config::-webkit-scrollbar-track {
  background: var(--bg-primary);
  border-radius: 4px;
}

.pdf-config::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 4px;
}

.pdf-config::-webkit-scrollbar-thumb:hover {
  background: var(--text-secondary);
}

.pdf-config .row {
  display: grid;
  gap: 16px;
}

.pdf-config-row-2cols {
  grid-template-columns: 1fr 1fr;
}


/* Botones de iconos */
.btn-icono {
  width: 36px;
  height: 36px;
  padding: 8px;
  border: 2px solid var(--border-color);
  border-radius: 8px;
  background: var(--bg-secondary);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn-icono:hover {
  background: var(--bg-tertiary);
  border-color: #90100f;
  color: #90100f;
  transform: scale(1.05);
}

.btn-icono svg {
  width: 18px;
  height: 18px;
  transition: transform 0.2s;
}

.btn-icono:hover svg {
  transform: scale(1.1);
}

/* Botones con icono y texto */
.btn-icono-texto {
  padding: 8px 14px;
  border: 2px solid var(--border-color);
  border-radius: 8px;
  background: var(--bg-secondary);
  color: var(--text-primary);
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 500;
  white-space: nowrap;
}

.btn-icono-texto:hover {
  background: var(--bg-tertiary);
  border-color: #90100f;
  color: #90100f;
  transform: translateY(-1px);
}

.btn-icono-texto svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  transition: transform 0.2s;
}

.btn-icono-texto:hover svg {
  transform: scale(1.1);
}

/* Animación específica para aleatorizar */
#aleatorizar svg {
  transition: transform 0.3s ease;
}

#aleatorizar:hover svg {
  transform: rotate(180deg) scale(1.1);
}

#aleatorizar:active {
  background: var(--bg-tertiary);
}

#aleatorizar {
  transition: all 0.3s ease;
}

/* Botón ordenar alfabético - estados */
#ordenar-alfabetico svg {
  transition: all 0.3s ease;
}

#ordenar-alfabetico.activo svg {
  color: white;
}

[data-theme="light"] #ordenar-alfabetico.activo:not(.desc) {
  background: #0891b2;
  border-color: #0891b2;
}

[data-theme="dark"] #ordenar-alfabetico.activo:not(.desc) {
  background: #0e7490;
  border-color: #0e7490;
}

[data-theme="light"] #ordenar-alfabetico.activo.desc {
  background: #dc2626;
  border-color: #dc2626;
}

[data-theme="dark"] #ordenar-alfabetico.activo.desc {
  background: #b91c1c;
  border-color: #b91c1c;
}

.btn-icono-texto .btn-texto {
  display: inline;
}

/* Botones de acciones rápidas */
.btn-accion-rapida {
  padding: 10px 14px;
  font-size: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-width: fit-content;
  white-space: nowrap;
  text-align: center;
}

.btn-accion-rapida svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.btn-group {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.filtro-btn {
  padding: 8px 16px;
  border: 2px solid #e5e7eb;
  background: white;
  border-radius: 8px;
  cursor: pointer;
  font-size: 14px;
  transition: all 0.2s;
}

.filtro-btn:hover {
  border-color: #90100f;
}

.filtro-btn.activo {
  background: #90100f;
  color: white;
  border-color: #90100f;
}

/* Botón de fecha con menú */
.btn-fecha {
  width: 100%;
  padding: 10px 12px;
  border: 2px solid var(--border-color);
  border-radius: 8px;
  font-size: 14px;
  background: var(--bg-secondary);
  color: var(--text-primary);
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: space-between;
  text-align: left;
  min-height: 42px;
  height: 42px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.pdf-config select {
  height: 42px;
  min-height: 42px;
}

.btn-fecha::after {
  content: "▼";
  font-size: 10px;
  color: var(--text-secondary);
}

.btn-fecha:hover {
  border-color: var(--accent);
  background: var(--bg-tertiary);
}

.btn-fecha[data-estado="fecha-completa"] {
  background: #0891b2;
  color: white;
  border-color: #0891b2;
}

.btn-fecha[data-estado="fecha-blanco"] {
  background: #e0f2fe;
  color: #0891b2;
  border-color: #0891b2;
}

[data-theme="dark"] .btn-fecha[data-estado="fecha-completa"] {
  background: #0891b2;
  color: white;
  border-color: #0e7490;
}

[data-theme="dark"] .btn-fecha[data-estado="fecha-blanco"] {
  background: #164e63;
  color: #67e8f9;
  border-color: #0e7490;
}

.menu-fecha {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  margin-top: 4px;
  background: var(--bg-secondary);
  border: 2px solid var(--border-color);
  border-radius: 8px;
  box-shadow: 0 4px 12px var(--shadow);
  z-index: 1000;
  display: none;
  overflow: hidden;
}

.menu-fecha.active {
  display: block;
}

.opcion-fecha,
.opcion-fecha-manual {
  width: 100%;
  padding: 10px 12px;
  border: none;
  background: transparent;
  text-align: left;
  cursor: pointer;
  transition: background 0.2s;
  font-size: 14px;
  color: var(--text-primary);
}

.opcion-fecha:hover,
.opcion-fecha-manual:hover {
  background: var(--bg-tertiary);
}

.opcion-fecha[data-opcion="fecha-completa"]:hover {
  background: var(--accent);
  color: white;
}

.opcion-fecha[data-opcion="fecha-blanco"]:hover {
  background: var(--accent-light);
  color: var(--accent);
}

/* Botón flotante scroll */
.btn-scroll-bottom {
  position: absolute;
  bottom: 16px;
  right: 16px;
  padding: 10px 16px;
  background: var(--accent);
  color: white;
  border: none;
  border-radius: 10px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  z-index: 100;
  box-shadow: 0 4px 16px rgba(144, 16, 15, 0.4);
  transition: all 0.3s;
  display: flex;
  align-items: center;
  gap: 6px;
}

[data-theme="dark"] .btn-scroll-bottom {
  background: #dc2626;
  box-shadow: 0 4px 16px rgba(220, 38, 38, 0.4);
}

[data-theme="dark"] .btn-scroll-bottom:hover {
  background: #b91c1c;
  box-shadow: 0 6px 24px rgba(220, 38, 38, 0.6);
}

.btn-scroll-bottom:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 30px rgba(144, 16, 15, 0.4);
}

/* Botón colapsar todas */
.btn-colapsar-todas {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 36px;
  height: 36px;
  padding: 8px;
  border: 2px solid var(--border-color);
  border-radius: 8px;
  background: var(--bg-secondary);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
}

.btn-colapsar-todas:hover {
  background: var(--bg-tertiary);
  border-color: #90100f;
  color: #90100f;
  transform: scale(1.05);
}

.btn-colapsar-todas svg {
  transition: transform 0.2s;
}

.btn-preview {
  padding: 14px 24px;
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border: 2px solid var(--border-color);
  border-radius: 8px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all 0.2s;
}

.btn-preview:hover {
  background: var(--bg-secondary);
  border-color: #90100f;
  color: #90100f;
  transform: translateY(-1px);
}

.btn-preview svg {
  transition: transform 0.2s;
}

.btn-preview:hover svg {
  transform: scale(1.1);
}

/* LISTAS SIDEBAR */
.search-listas {
  width: 100%;
  padding: 10px 12px;
  border: 2px solid var(--border-color);
  border-radius: 8px;
  font-size: 14px;
  margin-bottom: 12px;
  background: var(--bg-secondary);
  color: var(--text-primary);
}

.search-listas:focus {
  outline: none;
  border-color: #90100f;
}

#search-listas,
#filtro-hsk-global {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--border-color);
  border-radius: 10px;
  font-size: 14px;
  background: var(--bg-secondary);
  color: var(--text-primary);
  transition: all 0.2s ease;
}

#search-listas:focus,
#filtro-hsk-global:focus {
  outline: none;
  border-color: #90100f;
  box-shadow: 0 0 0 3px rgba(144, 16, 15, 0.1);
}

/* Barra de filtros de categorías */
.barra-filtros-categorias {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--border-color);
}

.filtro-cat {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px;
  border: 2px solid var(--border-color);
  border-radius: 8px;
  background: var(--bg-secondary);
  color: var(--text-primary);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
  justify-content: center;
  min-width: 40px;
  position: relative;
}

.filtro-cat svg {
  color: var(--text-secondary);
  transition: color 0.2s;
  flex-shrink: 0;
  width: 20px;
  height: 20px;
}

.filtro-cat:hover {
  border-color: #90100f;
  background: var(--bg-tertiary);
}

.filtro-cat:hover svg {
  color: #90100f;
}

.filtro-cat.activo {
  background: #90100f;
  color: white;
  border-color: #90100f;
}

.filtro-cat.activo svg {
  color: #fff;
}

.filtro-cat.activo:hover {
  color: #fff;
  background: #7a0e0d;
  border-color: #7a0e0d;
}

.filtro-cat.activo:hover svg {
  color: #fff;
}

.filtro-cat.sin-resultados {
  opacity: 0.3;
  cursor: not-allowed;
}

.filtro-cat.sin-resultados:hover {
  border-color: var(--border-color);
  background: var(--bg-secondary);
  transform: none;
}

.filtro-cat.sin-resultados:hover svg {
  color: var(--text-secondary);
}

.filtro-cat.con-seleccion {
  border: 3px solid #90100f !important;
}

[data-theme="light"] .filtro-cat.con-seleccion {
  box-shadow: 0 0 0 3px rgba(144, 16, 15, 0.2) !important;
}

[data-theme="dark"] .filtro-cat.con-seleccion {
  box-shadow: 0 0 0 3px rgba(144, 16, 15, 0.6) !important;
}

[data-theme="light"] .filtro-cat.con-seleccion:not(.activo) {
  border-color: #90100f;
  background: linear-gradient(135deg, #ffe5e4 0%, #ffd4d2 100%);
}

[data-theme="dark"] .filtro-cat.con-seleccion:not(.activo) {
  border-color: #90100f;
  background: linear-gradient(135deg, rgba(144, 16, 15, 0.3) 0%, rgba(144, 16, 15, 0.15) 100%);
}

.filtro-cat.con-seleccion:not(.activo) svg {
  color: #90100f;
}

.filtro-cat.con-seleccion.activo {
  background: #90100f;
  border-color: #7a0d0c;
}

.filtro-cat.con-seleccion.activo svg {
  color: white;
}

.filtro-cat span {
  display: none;
}

.filtro-cat::after {
  content: attr(data-nombre);
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  margin-bottom: 8px;
  padding: 6px 10px;
  background: var(--text-primary);
  color: var(--bg-primary);
  font-size: 11px;
  white-space: normal;
  max-width: 350px;
  text-align: center;
  line-height: 1.3;
  border-radius: 6px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
  z-index: 1001;
}

.filtro-cat:hover::after {
  opacity: 1;
}

/* Categorías y libros */
.categoria-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 12px;
  background: var(--bg-tertiary);
  border-radius: 8px;
  cursor: pointer;
  margin-bottom: 8px;
  transition: all 0.2s;
  user-select: none;
}

.categoria-header:hover {
  background: #f3f4f6;
}

[data-theme="dark"] .categoria-header:hover {
  background: rgba(255, 255, 255, 0.05);
}

.categoria-header.collapsed {
  margin-bottom: 8px;
}

.categoria-titulo {
  font-weight: 600;
  font-size: 14px;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.categoria-titulo svg {
  color: #90100f;
  flex-shrink: 0;
}

.categoria-icono {
  transition: transform 0.2s;
  font-size: 12px;
}

.categoria-header.collapsed .categoria-icono {
  transform: rotate(-90deg);
}

.categoria-count {
  font-size: 12px;
  color: var(--text-tertiary);
  background: var(--bg-secondary);
  padding: 2px 8px;
  border-radius: 12px;
}

.categoria-listas {
  margin-bottom: 12px;
  padding-left: 8px;
  max-height: 250px;
  overflow-y: auto;

  scroll-behavior: smooth;
}

.categoria-listas::-webkit-scrollbar {
  width: 6px;
}

.categoria-listas::-webkit-scrollbar-track {
  background: var(--bg-tertiary);
  border-radius: 3px;
}

.categoria-listas::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 3px;
}

.categoria-listas::-webkit-scrollbar-thumb:hover {
  background: var(--text-secondary);
}

.categoria-listas.hidden {
  display: none;
}

.categoria-header.con-seleccion {
  background: linear-gradient(90deg, #ffe5e4 0%, var(--bg-tertiary) 100%);
  border-left: 3px solid #90100f;
}

.categoria-header.con-seleccion .categoria-titulo {
  color: #90100f;
  font-weight: 700;
}

/* Categoría de usuario personalizada */
.categoria-usuario {
  margin-bottom: 16px;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--border-color);
}

/* Header de usuario - solo resaltado cuando tiene listas seleccionadas */
.categoria-usuario .categoria-header.has-user-selection {
  background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
  border: 2px solid #0ea5e9;
}

[data-theme="dark"] .categoria-usuario .categoria-header.has-user-selection {
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.15) 0%, rgba(14, 165, 233, 0.05) 100%);
  border-color: #0284c7;
}

.categoria-usuario .categoria-header.has-user-selection .categoria-titulo svg {
  color: #0ea5e9;
}

.categoria-usuario .categoria-header.has-user-selection .categoria-titulo span {
  color: #0369a1;
  font-weight: 700;
}

[data-theme="dark"] .categoria-usuario .categoria-header.has-user-selection .categoria-titulo span {
  color: #38bdf8;
}

/* Hover en modo oscuro para header de usuario */
[data-theme="dark"] .categoria-usuario .categoria-header:hover {
  background: rgba(255, 255, 255, 0.05);
}

/* Hover en modo oscuro para header de usuario CON selecciones */
[data-theme="dark"] .categoria-usuario .categoria-header.has-user-selection:hover {
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.2) 0%, rgba(14, 165, 233, 0.08) 100%);
}

/* Items de selección guardada con botón eliminar */
.seleccion-guardada-item {
  padding: 10px;
  border: 2px solid var(--border-color);
  border-radius: 8px;
  margin-bottom: 6px;
  cursor: pointer;
  transition: all 0.2s;
  position: relative;
  font-size: 13px;
  background: var(--bg-secondary);
  color: var(--text-primary);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}

.seleccion-guardada-item:hover {
  background: var(--bg-tertiary);
  transform: translateY(-1px);
}

.seleccion-guardada-nombre {
  flex: 1;
  font-weight: 500;
}

.btn-eliminar-seleccion {
  width: 28px;
  height: 28px;
  padding: 6px;
  border: 2px solid var(--border-color);
  border-radius: 6px;
  background: var(--bg-secondary);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.btn-eliminar-seleccion:hover {
  background: #fee4e2;
  border-color: #b42318;
  color: #b42318;
  transform: scale(1.1);
}

.btn-eliminar-seleccion svg {
  width: 14px;
  height: 14px;
}

/* Headers de libros */
.libro-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 12px 8px 24px;
  background: var(--bg-tertiary);
  border-left: 3px solid #90100f;
  border-radius: 6px;
  cursor: pointer;
  margin: 6px 0 6px 12px;
  transition: all 0.2s;
  user-select: none;
}

.libro-header:hover {
  background: #fef2f2;
  border-left-width: 4px;
}

[data-theme="dark"] .libro-header:hover {
  background: rgba(144, 16, 15, 0.2);
}

.libro-titulo {
  font-weight: 600;
  font-size: 13px;
  color: #90100f;
  display: flex;
  align-items: center;
  gap: 8px;
}

.libro-icono {
  transition: transform 0.2s;
  font-size: 10px;
}

.libro-header.collapsed .libro-icono {
  transform: rotate(-90deg);
}

.libro-count {
  font-size: 11px;
  color: #90100f;
  background: #ffe5e4;
  padding: 2px 8px;
  border-radius: 12px;
  font-weight: 600;
}

.libro-listas {
  margin-bottom: 8px;
  padding-left: 20px;
}

.libro-listas.hidden {
  display: none;
}

.libro-listas .lista-item {
  margin-left: 8px;
  font-size: 12px;
  padding: 8px;
}

/* Lista items */
.lista-item {
  padding: 10px;
  border: 2px solid var(--border-color);
  border-radius: 8px;
  margin-bottom: 6px;
  cursor: pointer;
  transition: all 0.2s;
  position: relative;
  font-size: 13px;
  background: var(--bg-secondary);
  color: var(--text-primary);
}

.lista-item strong {
  color: var(--text-primary) !important;
}

.lista-item:hover {
  background: var(--bg-tertiary);
  transform: translateY(-1px);
}

.lista-item.seleccionada {
  background: #ffe5e4;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

/* Botón eliminar en selecciones de usuario */
.btn-eliminar-seleccion-usuario {
  position: absolute;
  top: 6px;
  right: 6px;
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
  opacity: 0;
  transition: all 0.2s;
  border-radius: 4px;
  padding: 0;
  font-weight: 300;
}

.lista-item:hover .btn-eliminar-seleccion-usuario {
  opacity: 0.5;
}

.btn-eliminar-seleccion-usuario:hover {
  opacity: 1 !important;
  background: #fee2e2;
  color: #dc2626;
  transform: scale(1.1);
}

.lista-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-primary);
}

/* Contador para listas NO guardadas por el usuario */
.count {
  font-size: 12px;
  color: #667085;
  background: #f3f4f6;
  padding: 2px 8px;
  border-radius: 12px;
}

/* Botón eliminar para listas de usuario */
.btn-eliminar-lista {
  font-size: 18px;
  color: var(--text-secondary);
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 4px 8px;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

.btn-eliminar-lista:hover {
  color: #dc2626;
  transform: scale(1.2);
}

/* Botón de eliminar para listas guardadas por el usuario */
.btn-eliminar-lista {
  font-size: 18px;
  color: var(--text-secondary);
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 4px 8px;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn-eliminar-lista:hover {
  color: #dc2626;
  transform: scale(1.2);
}

/* Selector de idioma */
.selector-idioma-simple {
  position: absolute;
  top: 20px;
  left: 20px;
  padding: 0;
  background: transparent;
  border: none;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-primary);
  cursor: pointer;
  transition: all 0.3s ease;
  z-index: 999;
  display: flex;
  align-items: center;
  gap: 4px;
  opacity: 0.5;
}

.selector-idioma-simple::after {
  content: '⇄';
  font-size: 12px;
  opacity: 0.6;
}

.selector-idioma-simple:hover {
  opacity: 1;
  transform: translateY(-2px);
  color: #90100f;
}

.selector-idioma-simple:hover::after {
  opacity: 1;
}

.idioma-opcion {
  color: var(--text-tertiary);
  cursor: pointer;
  transition: all 0.3s ease;
  padding: 4px 8px;
  border-radius: 6px;
  opacity: 0.4;
  position: relative;
}

.idioma-opcion:hover {
  opacity: 0.7;
  background: var(--bg-tertiary);
  color: var(--text-primary);
  transform: translateY(-1px);
}

.idioma-opcion.activo {
  opacity: 1;
  color: var(--text-primary);
  font-weight: 600;
  background: var(--bg-secondary);
  box-shadow: 0 2px 8px var(--shadow);
}

.idioma-opcion.activo::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  transform: translateX(-50%);
  width: 60%;
  height: 2px;
  background: #90100f;
  border-radius: 2px;
}

.idioma-separador {
  color: var(--border-color);
  font-size: 13px;
  opacity: 0.5;
  user-select: none;
}

/* Botón de tema */
#theme-toggle {
  position: absolute;
  top: 20px;
  left: 20px;
  width: 32px;
  height: 32px;
  padding: 0;
  border: none;
  background: transparent;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.35;
  transition: opacity 0.3s ease, transform 0.2s ease;
  z-index: 1000;
}

#theme-toggle:hover {
  opacity: 0.8;
  transform: scale(1.1);
}

#theme-toggle svg {
  width: 20px;
  height: 20px;
  color: var(--text-primary);
  transition: all 0.3s ease;
}

.icon-on,
.icon-off {
  display: none;
  position: absolute;
}

[data-theme="light"] .icon-off {
  display: block;
}

[data-theme="dark"] .icon-on {
  display: block;
}

#theme-toggle::after {
  content: attr(title);
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 8px;
  padding: 6px 10px;
  background: var(--text-primary);
  color: var(--bg-primary);
  font-size: 11px;
  white-space: nowrap;
  border-radius: 6px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
  z-index: 1001;
}

#theme-toggle:hover::after {
  opacity: 1;
}

/* TÉRMINOS */
#terminos-contenedor {
  --tamano-tarjeta: 140px;
  display: flex;
  flex-wrap: wrap;
  gap: clamp(3px, calc(var(--tamano-tarjeta) * 0.021), 8px);
  max-height: 600px;
  overflow-y: auto;
  margin-bottom: 20px;
  padding: 4px;
  padding-bottom: 60px;
  justify-content: center;
  align-items: flex-start;
  position: relative;
}

#terminos-contenedor.modo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, var(--tamano-tarjeta));
  gap: clamp(8px, calc(var(--tamano-tarjeta) * 0.057), 12px);
  justify-content: center;
}

#terminos-contenedor.modo-grid .termino-item {
  width: var(--tamano-tarjeta);
  max-width: var(--tamano-tarjeta);
  min-width: var(--tamano-tarjeta);
  padding: 12px 8px;
  gap: 4px;
  background: var(--bg-secondary);
  color: var(--text-primary);
}

#terminos-contenedor.modo-grid .termino-texto {
  gap: 4px;
}

#terminos-contenedor.modo-grid .hanzi {
  font-size: clamp(18px, calc(var(--tamano-tarjeta, 140px) * 0.28), 40px);
  white-space: nowrap;
  overflow: visible;
}

#terminos-contenedor.modo-grid .pinyin {
  width: 100%;
  margin-top: 2px;
}

#terminos-contenedor.modo-grid .esp {
  width: 100%;
  margin-top: 2px;
}

#terminos-contenedor.modo-compacto .termino-item {
  min-width: clamp(60px, var(--tamano-tarjeta), 250px);
  max-width: clamp(80px, calc(var(--tamano-tarjeta) * 1.8), 300px);
  width: auto;
  background: var(--bg-secondary);
  color: var(--text-primary);
}

.termino-item {
  display: flex;
  flex-direction: column;
  gap: 0px;
  padding: clamp(1px, calc(var(--tamano-tarjeta) * 0.021), 8px) clamp(2px, calc(var(--tamano-tarjeta) * 0.029), 6px);
  border: clamp(1px, calc(var(--tamano-tarjeta) * 0.014), 2px) solid #e5e7eb;
  border-radius: clamp(2px, calc(var(--tamano-tarjeta) * 0.043), 8px);
  animation: fadeIn 0.3s;
  background: white;
  cursor: pointer;
  transition: all 0.15s ease-out;
  position: relative;
  min-height: auto;
  justify-content: center;
  align-items: center;
  box-sizing: border-box;
  flex-shrink: 0;
  padding-bottom: clamp(3px, calc(var(--tamano-tarjeta) * 0.05), 12px);
  overflow: visible;
}

.termino-item:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  transform: translateY(-2px);
  will-change: transform;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }

  to {
    opacity: 1;
    transform: scale(1);
  }
}

.termino-item.deseleccionado {
  opacity: 0.3;
  background: #f9fafb;
}

.termino-texto {
  display: flex;
  flex-direction: column;
  gap: 0px;
  width: 100%;
  align-items: center;
  overflow: visible;
}

.hanzi {
  font-weight: 550;
  color: var(--text-primary);
  text-align: center;
  line-height: 0.85;
  margin: 0;
  padding: 0;
  width: 100%;
  white-space: nowrap;
  overflow: visible;
  text-overflow: ellipsis;
  font-size: clamp(22px, calc(var(--tamano-tarjeta, 140px) * 0.35), 50px);
}

.termino-item .hanzi[data-length="3"] {
  font-size: clamp(16px, calc(var(--tamano-tarjeta, 140px) * 0.26), 36px) !important;
}

.termino-item .hanzi[data-length="4"],
.termino-item .hanzi[data-length="5"],
.termino-item .hanzi[data-length="6"],
.termino-item .hanzi[data-length="7"],
.termino-item .hanzi[data-length="8"],
.termino-item .hanzi[data-length="9"],
.termino-item .hanzi[data-length="10"] {
  font-size: clamp(11px, calc(var(--tamano-tarjeta, 140px) * 0.16), 22px) !important;
}

.termino-item .hanzi[data-length="11"],
.termino-item .hanzi[data-length="12"],
.termino-item .hanzi[data-length="13"],
.termino-item .hanzi[data-length="14"],
.termino-item .hanzi[data-length="15"] {
  font-size: clamp(9px, calc(var(--tamano-tarjeta, 140px) * 0.13), 18px) !important;
  line-height: 1.1;
}

#terminos-contenedor.modo-grid .hanzi {
  overflow: visible;
}

#terminos-contenedor.modo-grid .hanzi[data-length="3"] {
  font-size: clamp(15px, calc(var(--tamano-tarjeta, 140px) * 0.24), 34px) !important;
}

#terminos-contenedor.modo-grid .hanzi[data-length="4"],
#terminos-contenedor.modo-grid .hanzi[data-length="5"],
#terminos-contenedor.modo-grid .hanzi[data-length="6"] {
  font-size: clamp(12px, calc(var(--tamano-tarjeta, 140px) * 0.18), 25px) !important;
}

.pinyin {
  font-size: clamp(0px, calc(var(--tamano-tarjeta, 140px) * 0.086), 16px);
  color: var(--text-secondary);
  text-align: center;
  line-height: 1.2;
  max-height: clamp(0px, calc(var(--tamano-tarjeta, 140px) * 0.12), 20px);
  overflow: hidden;
  transition: opacity 0.2s, max-height 0.2s;
  margin: clamp(0px, calc(var(--tamano-tarjeta, 140px) * 0.043), 4px) 0 0 0;
  padding: 0 2px;
  white-space: nowrap;
  width: max-content;
  max-width: 100%;
}

.esp {
  font-size: clamp(0px, calc(var(--tamano-tarjeta, 140px) * 0.079), 14px);
  color: var(--text-primary);
  min-height: clamp(0px, calc(var(--tamano-tarjeta, 140px) * 0.21), 40px);
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1.5;
  max-height: clamp(0px, calc(var(--tamano-tarjeta, 140px) * 0.36), 60px);
  overflow: visible;
  transition: opacity 0.2s, max-height 0.2s;
  margin: clamp(0px, calc(var(--tamano-tarjeta, 140px) * 0.029), 3px) auto 0 auto;
  padding: 2px 2px 4px 2px;
  width: 100%;
  text-align: center;
}

.lista-origen {
  font-size: clamp(0px, calc(var(--tamano-tarjeta, 140px) * 0.071), 10px);
  color: var(--text-tertiary);
  background: var(--bg-tertiary);
  background: #f3f4f6;
  padding: clamp(0px, calc(var(--tamano-tarjeta) * 0.014), 3px) clamp(0px, calc(var(--tamano-tarjeta) * 0.029), 6px);
  border-radius: clamp(0px, calc(var(--tamano-tarjeta) * 0.029), 4px);
  text-align: center;
  margin-top: clamp(0px, calc(var(--tamano-tarjeta) * 0.021), 4px);
  max-height: clamp(0px, calc(var(--tamano-tarjeta) * 0.14), 30px);
  overflow: hidden;
  transition: opacity 0.2s, max-height 0.2s;
  width: 100%;
  box-sizing: border-box;
  display: block;
  white-space: normal;
  line-height: 1.3;
  word-wrap: break-word;
}

.lista-origen[data-long="true"] {
  max-height: clamp(0px, calc(var(--tamano-tarjeta) * 0.25), 45px);
  line-height: 1.2;
}

.nivel-badge {
  position: absolute;
  top: -2px;
  right: -2px;
  font-size: 8px;
  font-weight: 700;
  padding: 5px 8px 5px 8px;
  background: linear-gradient(135deg, #90100f, #b42318);
  color: white;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  transform: rotate(0deg);
  transform-origin: 100% 0;
  z-index: 10;
  border-top-right-radius: 10px;
  border-bottom-left-radius: 10px;
  line-height: 0.5;
  white-space: nowrap;
}

.termino-item {
  overflow: hidden;
  border-radius: 10px;
  cursor: move;
  cursor: grab;
}

.termino-item:active {
  cursor: grabbing;
}

.termino-item.drag-over {
  border-color: #90100f;
  background: #fef2f2;
  transform: scale(1.05);
}

.termino-item[draggable="true"] {
  user-select: none;
  -webkit-user-select: none;
}

input[type="range"] {
  accent-color: var(--accent);
}

/* Slider de tamaño de tarjetas - hacer visible */
#tamano-tarjetas {
  -webkit-appearance: none;
  appearance: none;
  background: linear-gradient(to right, #fee2e2 0%, #90100f 50%, #7f1d1d 100%);
  border-radius: 8px;
  outline: none;
  height: 8px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

/* Thumb (bolita) del slider - WebKit */
#tamano-tarjetas::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  background: #90100f;
  border: 2px solid white;
  border-radius: 50%;
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(144, 16, 15, 0.4);
  transition: all 0.2s;
  margin-top: 0;
}

#tamano-tarjetas::-webkit-slider-thumb:hover {
  transform: scale(1.15);
  box-shadow: 0 3px 8px rgba(144, 16, 15, 0.6);
}

#tamano-tarjetas::-webkit-slider-thumb:active {
  transform: scale(1.05);
}

/* Thumb (bolita) del slider - Firefox */
#tamano-tarjetas::-moz-range-thumb {
  width: 20px;
  height: 20px;
  background: #90100f;
  border: 3px solid white;
  border-radius: 50%;
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(144, 16, 15, 0.4);
  transition: all 0.2s;
}

#tamano-tarjetas::-moz-range-thumb:hover {
  transform: scale(1.15);
  box-shadow: 0 3px 8px rgba(144, 16, 15, 0.6);
}

/* Track (barra) del slider - Firefox */
#tamano-tarjetas::-moz-range-track {
  background: linear-gradient(to right, #fee2e2 0%, #90100f 50%, #7f1d1d 100%);
  border-radius: 8px;
  height: 8px;
}

/* Modo oscuro */
[data-theme="dark"] #tamano-tarjetas {
  background: linear-gradient(to right, rgba(254, 226, 226, 0.2) 0%, #90100f 50%, #a81917 100%);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] #tamano-tarjetas::-webkit-slider-thumb {
  border-color: rgba(255, 255, 255, 0.9);
}

[data-theme="dark"] #tamano-tarjetas::-moz-range-thumb {
  border-color: rgba(255, 255, 255, 0.9);
}

[data-theme="dark"] #tamano-tarjetas::-moz-range-track {
  background: linear-gradient(to right, rgba(254, 226, 226, 0.2) 0%, #90100f 50%, #a81917 100%);
}

.checkbox-group {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  background: var(--bg-secondary);
  border: 2px solid var(--border-color);
  border-radius: 8px;
}

.checkbox-group label {
  margin: 0;
  font-size: 14px;
  color: var(--text-primary);
  cursor: pointer;
  user-select: none;
}

.checkbox-group input[type="checkbox"] {
  width: 18px;
  height: 18px;
  cursor: pointer;
}

textarea {
  width: 100%;
  min-height: 200px;
  padding: 12px;
  border: 2px solid var(--border-color);
  border-radius: 10px;
  font-family: ui-monospace, monospace;
  font-size: 14px;
  resize: vertical;
  background: var(--bg-secondary);
  color: var(--text-primary);
}

textarea:focus {
  outline: none;
  border-color: #90100f;
}

#mensaje,
.msg {
  display: none;
  padding: 12px;
  border-radius: 10px;
  margin-top: 12px;
  font-size: 14px;
}

#mensaje.ok,
.msg.ok {
  display: block;
  background: #ecfdf3;
  color: #027a48;
  border: 1px solid #a6f4c5;
}

#mensaje.error,
.msg.error {
  display: block;
  background: #fee4e2;
  color: #b42318;
  border: 1px solid #fecdca;
}

.tooltip {
  position: relative;
  display: inline-block;
}

.tooltip-text {
  visibility: hidden;
  background: #1a1a1a;
  color: white;
  text-align: center;
  border-radius: 8px;
  padding: 8px 12px;
  position: absolute;
  z-index: 1000;
  bottom: 125%;
  left: 50%;
  transform: translateX(-50%);
  white-space: nowrap;
  font-size: 12px;
  opacity: 0;
  transition: opacity 0.3s;
}

.tooltip-text::after {
  content: "";
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 6px solid transparent;
  border-top-color: #1a1a1a;
}

.tooltip:hover .tooltip-text {
  visibility: visible;
  opacity: 1;
}

/* FILTROS HSK/JLPT */
#filtro-hsk-global {
  background: var(--bg-secondary);
  border: 2px solid var(--border-color);
  color: var(--text-primary);
  padding: 12px 16px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%23667085' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 40px;
}

#filtro-hsk-global:hover {
  border-color: #90100f;
  background: var(--bg-tertiary);
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%2390100f' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
}

#filtro-hsk-global:focus {
  outline: none;
  border-color: #90100f;
  box-shadow: 0 0 0 3px rgba(144, 16, 15, 0.1);
}

[data-theme="dark"] #filtro-hsk-global {
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%23D0D5DD' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E");
}

#filtro-hsk-global option {
  background: var(--bg-secondary);
  color: var(--text-primary);
  padding: 8px;
}

#filtro-hsk-global option[value="ninguno"] {
  color: #98a2b3;
}

#filtro-hsk-global[data-placeholder="true"] {
  color: #98a2b3;
}

#filtro-hsk-global:not([data-placeholder="true"]) {
  color: var(--text-primary);
  font-style: normal;
}

.niveles-hsk {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-bottom: 12px;
}

.niveles-hsk .sin-nivel {
  grid-column: 1 / -1;
}

/* Badges HSK */
.hsk-badge {
  display: inline-block;
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 10px;
  font-weight: 600;
  margin-left: 6px;
  vertical-align: middle;
}

.hsk-badge.hsk1,
.hsk-badge.n5 {
  background: #dcfce7;
  color: #166534;
}

.hsk-badge.hsk2,
.hsk-badge.n4 {
  background: #dbeafe;
  color: #1e40af;
}

.hsk-badge.hsk3,
.hsk-badge.n3 {
  background: #fef3c7;
  color: #92400e;
}

.hsk-badge.hsk4 {
  background: #fed7aa;
  color: #9a3412;
}

.hsk-badge.hsk5,
.hsk-badge.n2 {
  background: #fecaca;
  color: #991b1b;
}

.hsk-badge.hsk6,
.hsk-badge.n1 {
  background: #e9d5ff;
  color: #6b21a8;
}

[data-theme="dark"] .hsk-badge.hsk1,
[data-theme="dark"] .hsk-badge.n5 {
  background: #14532d;
  color: #86efac;
}

[data-theme="dark"] .hsk-badge.hsk2,
[data-theme="dark"] .hsk-badge.n4 {
  background: #1e3a8a;
  color: #93c5fd;
}

[data-theme="dark"] .hsk-badge.hsk3,
[data-theme="dark"] .hsk-badge.n3 {
  background: #78350f;
  color: #fcd34d;
}

[data-theme="dark"] .hsk-badge.hsk4 {
  background: #7c2d12;
  color: #fdba74;
}

[data-theme="dark"] .hsk-badge.hsk5,
[data-theme="dark"] .hsk-badge.n2 {
  background: #7f1d1d;
  color: #fca5a5;
}

[data-theme="dark"] .hsk-badge.hsk6,
[data-theme="dark"] .hsk-badge.n1 {
  background: #581c87;
  color: #d8b4fe;
}

/* Badges clickeables */
.hsk-badge-button {
  padding: 10px 12px;
  border: 2px solid transparent;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  opacity: 0.4;
  text-align: center;
}

.hsk-badge-button:hover {
  opacity: 0.7;
  transform: translateY(-1px);
}

.hsk-badge-button.activo {
  opacity: 1;
  border-color: currentColor;
  box-shadow: 0 2px 8px currentColor;
}

.hsk-badge-button.hsk1,
.hsk-badge-button.n5 {
  background: #dcfce7;
  color: #166534;
}

.hsk-badge-button.hsk2,
.hsk-badge-button.n4 {
  background: #dbeafe;
  color: #1e40af;
}

.hsk-badge-button.hsk3,
.hsk-badge-button.n3 {
  background: #fef3c7;
  color: #92400e;
}

.hsk-badge-button.hsk4 {
  background: #fed7aa;
  color: #9a3412;
}

.hsk-badge-button.hsk5,
.hsk-badge-button.n2 {
  background: #fecaca;
  color: #991b1b;
}

.hsk-badge-button.hsk6,
.hsk-badge-button.n1 {
  background: #e9d5ff;
  color: #6b21a8;
}

.hsk-badge-button.sin-nivel {
  background: #f3f4f6;
  color: #374151;
}

[data-theme="dark"] .hsk-badge-button.hsk1,
[data-theme="dark"] .hsk-badge-button.n5 {
  background: #14532d;
  color: #86efac;
}

[data-theme="dark"] .hsk-badge-button.hsk2,
[data-theme="dark"] .hsk-badge-button.n4 {
  background: #1e3a8a;
  color: #93c5fd;
}

[data-theme="dark"] .hsk-badge-button.hsk3,
[data-theme="dark"] .hsk-badge-button.n3 {
  background: #78350f;
  color: #fcd34d;
}

[data-theme="dark"] .hsk-badge-button.hsk4 {
  background: #7c2d12;
  color: #fdba74;
}

[data-theme="dark"] .hsk-badge-button.hsk5,
[data-theme="dark"] .hsk-badge-button.n2 {
  background: #7f1d1d;
  color: #fca5a5;
}

[data-theme="dark"] .hsk-badge-button.hsk6,
[data-theme="dark"] .hsk-badge-button.n1 {
  background: #581c87;
  color: #d8b4fe;
}

[data-theme="dark"] .hsk-badge-button.sin-nivel {
  background: #1f2937;
  color: #d1d5db;
}

/* Menú filtro HSK */
.menu-filtro-hsk {
  display: none;
  position: absolute;
  top: 60px;
  right: 64px;
  background: var(--bg-secondary);
  border: 2px solid var(--border-color);
  border-radius: 12px;
  padding: 16px;
  box-shadow: 0 8px 32px var(--shadow);
  z-index: 1000;
  min-width: 320px;
  max-width: 400px;
  animation: slideDown 0.2s;
}

.menu-filtro-hsk.active {
  display: block;
}

.menu-filtro-hsk::before {
  content: '';
  position: absolute;
  top: -8px;
  right: 20px;
  width: 0;
  height: 0;
  border-left: 8px solid transparent;
  border-right: 8px solid transparent;
  border-bottom: 8px solid var(--border-color);
}

.menu-filtro-hsk::after {
  content: '';
  position: absolute;
  top: -6px;
  right: 21px;
  width: 0;
  height: 0;
  border-left: 7px solid transparent;
  border-right: 7px solid transparent;
  border-bottom: 7px solid var(--bg-secondary);
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.menu-filtro-section {
  margin-bottom: 12px;
}

.menu-filtro-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}

.menu-filtro-opcion {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  background: var(--bg-tertiary);
  border: 2px solid transparent;
  border-radius: 8px;
  cursor: pointer;
  font-size: 13px;
  color: var(--text-primary);
  margin-bottom: 6px;
  transition: all 0.2s;
}

.menu-filtro-opcion:hover {
  background: var(--bg-secondary);
  border-color: #90100f;
  color: #90100f;
}

.menu-filtro-opcion.activo {
  background: #90100f;
  border-color: #90100f;
  color: white;
}

.menu-filtro-opcion.activo svg {
  color: white;
}

.menu-filtro-checkbox {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  cursor: pointer;
  border-radius: 6px;
  margin-bottom: 4px;
  transition: background 0.2s;
}

.menu-filtro-checkbox:hover {
  background: var(--bg-tertiary);
}

.menu-filtro-checkbox input[type="checkbox"] {
  width: 18px;
  height: 18px;
  cursor: pointer;
  accent-color: #90100f;
}

.menu-filtro-checkbox-compact {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px;
  cursor: pointer;
  border-radius: 6px;
  border: 2px solid var(--border-color);
  background: var(--bg-tertiary);
  transition: all 0.2s;
}

.menu-filtro-checkbox-compact:hover {
  border-color: #90100f;
  background: var(--bg-secondary);
}

.menu-filtro-checkbox-compact input[type="checkbox"]:checked+span {
  font-weight: 600;
}

.menu-filtro-checkbox-compact input[type="checkbox"] {
  width: 16px;
  height: 16px;
  cursor: pointer;
  accent-color: #90100f;
}

.menu-filtro-divider {
  height: 1px;
  background: var(--border-color);
  margin: 12px 0;
}

.menu-filtro-actions {
  display: flex;
  gap: 8px;
  margin-top: 12px;
}

.menu-filtro-opcion-orden {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 12px;
  background: var(--bg-tertiary);
  border: 2px solid transparent;
  border-radius: 8px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  transition: all 0.2s;
  opacity: 0.4;
}

.menu-filtro-opcion-orden:hover {
  opacity: 0.7;
  border-color: #90100f;
}

.menu-filtro-opcion-orden.activo {
  opacity: 1;
  background: #90100f;
  border-color: #90100f;
  color: white;
}

.menu-filtro-opcion-orden.activo svg {
  color: white;
}

.menu-filtro-opcion-orden-unico {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px;
  background: var(--bg-tertiary);
  border: 2px solid transparent;
  border-radius: 8px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  transition: all 0.2s;
  opacity: 0.5;
}

.menu-filtro-opcion-orden-unico:hover {
  opacity: 0.8;
  border-color: #90100f;
}

.menu-filtro-opcion-orden-unico[data-estado="asc"] {
  opacity: 1;
  background: #0891b2;
  border-color: #0891b2;
  color: white;
}

.menu-filtro-opcion-orden-unico[data-estado="desc"] {
  opacity: 1;
  background: #dc2626;
  border-color: #dc2626;
  color: white;
}

.menu-filtro-opcion-orden-unico[data-estado="asc"] svg,
.menu-filtro-opcion-orden-unico[data-estado="desc"] svg {
  color: white;
}

.menu-filtro-opcion-orden-unico[data-estado="desc"] .flecha-orden {
  transform: rotate(180deg);
  transform-origin: 18px 11px;
}

.icono-orden {
  transition: all 0.3s;
}

/* TOUR Y AYUDA */
.help-button {
  position: absolute;
  top: 60px;
  left: 20px;
  width: 32px;
  height: 32px;
  background: transparent;
  color: var(--text-primary);
  border: 2px solid var(--border-color);
  border-radius: 50%;
  font-size: 14px;
  font-weight: bold;
  cursor: pointer;
  transition: all 0.3s;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.35;
}

.help-button:hover {
  opacity: 0.8;
  transform: scale(1.1);
  border-color: var(--accent);
  color: var(--accent);
}

.tour-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  z-index: 9998;
  display: none;
  animation: fadeIn 0.3s;
  pointer-events: auto;
}

.tour-overlay.active {
  display: block;
}

[data-theme="dark"] .tour-overlay {
  background: rgba(0, 0, 0, 0.5);
}

.tour-spotlight {
  position: fixed;
  border: 3px solid #90100f;
  border-radius: 12px;
  box-shadow: 0 0 0 9999px rgba(0, 0, 0, 0.7);
  z-index: 9999;
  pointer-events: none;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  display: none;
}

[data-theme="dark"] .tour-spotlight {
  border-color: #ff6b6b;
  border-width: 4px;
  box-shadow:
    0 0 0 9999px rgba(0, 0, 0, 0.5),
    0 0 20px rgba(255, 107, 107, 0.5),
    inset 0 0 20px rgba(255, 107, 107, 0.2);
}

.tour-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 28px;
  height: 28px;
  border: none;
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  border-radius: 50%;
  font-size: 18px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
  z-index: 1;
}

.tour-close:hover {
  background: #fee4e2;
  color: #b42318;
  transform: rotate(90deg);
}

[data-theme="dark"] .tour-close {
  background: var(--bg-primary);
}

[data-theme="dark"] .tour-close:hover {
  background: #2d1414;
  color: #ff6b6b;
}

.tour-tooltip {
  position: fixed;
  background: white;
  border-radius: 12px;
  padding: 20px;
  max-width: 400px;
  width: calc(100vw - 40px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2), 0 2px 8px rgba(0, 0, 0, 0.1);
  z-index: 10000;
  display: none;
  transition: opacity 0.2s ease;
  border: 2px solid #000000;
}

[data-theme="dark"] .tour-tooltip {
  background: var(--bg-secondary);
  color: var(--text-primary);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5), 0 2px 8px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .tour-tooltip h3 {
  color: var(--accent);
}

[data-theme="dark"] .tour-tooltip p {
  color: var(--text-secondary);
}

.tour-tooltip h3 {
  color: #90100f;
  font-size: 20px;
  margin-bottom: 12px;
}

.tour-tooltip p {
  color: #374151;
  line-height: 1.6;
  margin-bottom: 16px;
}

.tour-actions {
  display: flex;
  gap: 12px;
  justify-content: space-between;
  align-items: center;
}

.tour-progress {
  font-size: 12px;
  color: #98a2b3;
}

.tour-buttons {
  display: flex;
  gap: 8px;
}

.tour-btn {
  padding: 10px 20px;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  gap: 6px;
}

.tour-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.tour-btn-prev {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border: 2px solid var(--border-color);
}

.tour-btn-prev:hover:not(:disabled) {
  background: var(--bg-secondary);
  border-color: #90100f;
  color: #90100f;
}

.tour-btn-next {
  background: #90100f;
  color: white;
}

.tour-btn-next:hover {
  background: #7a0d0c;
}

[data-theme="dark"] .tour-btn-prev {
  background: var(--bg-primary);
}

[data-theme="dark"] .tour-btn-next {
  background: #dc2626;
}

[data-theme="dark"] .tour-btn-next:hover {
  background: #b91c1c;
}

.tour-btn-skip {
  background: #f3f4f6;
  color: #667085;
}

.tour-btn-skip:hover {
  background: #e5e7eb;
}

.tour-btn-secondary {
  background: #f3f4f6;
  color: #667085;
}

/* MODAL DE AYUDA */
.help-modal {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: white;
  border-radius: 20px;
  padding: 32px;
  max-width: 700px;
  max-height: 80vh;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  z-index: 10001;
  display: none;
  animation: slideIn 0.3s;
}

.help-modal.active {
  display: block;
}

.help-modal h2 {
  color: #90100f;
  font-size: 28px;
  margin-bottom: 24px;
}

.help-section {
  margin-bottom: 24px;
}

.help-section h3 {
  color: #1a1a1a;
  font-size: 18px;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.help-section h3::before {
  content: "▸";
  color: #90100f;
  font-size: 20px;
}

.help-section p {
  color: #667085;
  line-height: 1.7;
  margin-bottom: 12px;
}

.help-section ul {
  margin-left: 20px;
  color: #667085;
  line-height: 1.7;
}

.help-section ul li {
  margin-bottom: 8px;
}

.help-modal-close {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 32px;
  height: 32px;
  border: none;
  background: #f3f4f6;
  border-radius: 50%;
  cursor: pointer;
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}

.help-modal-close:hover {
  background: #e5e7eb;
  transform: rotate(90deg);
}

.help-actions {
  margin-top: 24px;
  padding-top: 24px;
  border-top: 2px solid #f3f4f6;
  display: flex;
  gap: 12px;
}

/* MODAL DE BÚSQUEDA */
.busqueda-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: 99999;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  animation: fadeIn 0.2s;
}

.busqueda-overlay.active {
  display: flex;
}

.busqueda-modal {
  background: var(--bg-secondary);
  border-radius: 16px;
  padding: 24px;
  max-width: 900px;
  width: 100%;
  max-height: 80vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  animation: slideIn 0.3s;
  position: relative;
  /* ← NUEVO */
  z-index: 100000;
  /* ← NUEVO */
}

.busqueda-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--border-color);
}

.busqueda-header h3 {
  color: var(--text-primary);
  font-size: 20px;
  margin: 0;
}

.busqueda-close {
  width: 32px;
  height: 32px;
  border: none;
  background: var(--bg-tertiary);
  border-radius: 50%;
  cursor: pointer;
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
  color: var(--text-primary);
}

.busqueda-close:hover {
  background: #fee4e2;
  color: #b42318;
  transform: rotate(90deg);
}

.busqueda-info {
  background: #fffbeb;
  border: 2px solid #fbbf24;
  border-radius: 8px;
  padding: 12px;
  margin-bottom: 16px;
  font-size: 14px;
  color: #92400e;
}

[data-theme="dark"] .busqueda-info {
  background: #78350f;
  border-color: #f59e0b;
  color: #fef3c7;
}

.busqueda-resultados {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 8px;
  align-content: flex-start;
}

.busqueda-footer {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 2px solid var(--border-color);
}

.busqueda-banner {
  background: linear-gradient(135deg, #fffbeb 0%, #fef3c7 100%);
  border: 2px solid #fbbf24;
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 20px;
  animation: slideDown 0.3s;
}

[data-theme="dark"] .busqueda-banner {
  background: linear-gradient(135deg, #78350f 0%, #92400e 100%);
  border-color: #f59e0b;
}

.busqueda-badge-simple {
  display: none;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 16px;
  background: linear-gradient(135deg, #fffbeb 0%, #fef3c7 100%);
  border: 2px solid #fbbf24;
  border-radius: 8px;
  margin-bottom: 16px;
  font-size: 14px;
  color: #92400e;
  animation: slideDown 0.2s;
}

[data-theme="dark"] .busqueda-badge-simple {
  background: linear-gradient(135deg, #78350f 0%, #92400e 100%);
  border-color: #f59e0b;
  color: #fef3c7;
}

.busqueda-badge-simple button {
  color: inherit;
  transition: all 0.2s;
  flex-shrink: 0;
}

.busqueda-badge-simple button:hover {
  background: rgba(0, 0, 0, 0.1) !important;
  transform: scale(1.1);
}

/* Spinner */
.spinner {
  width: 50px;
  height: 50px;
  border: 4px solid var(--border-color);
  border-top-color: #90100f;
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto 16px;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* Modo lectura selector (Japonés) */
.modo-lectura-selector {
  display: flex;
  gap: 8px;
  padding: 6px;
  background: var(--bg-secondary);
  border-radius: 8px;
  border: 1px solid var(--border-color);
}

.modo-lectura-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 12px;
  background: var(--bg-primary);
  border: 2px solid var(--border-color);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s ease;
  font-weight: 300;
  color: var(--text-secondary);
  min-width: 0;
}

.modo-lectura-btn:hover {
  border-color: var(--primary);
  background: var(--accent-light);
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(144, 16, 15, 0.1);
}

.modo-icon {
  font-size: 16px;
  font-weight: 450;
  flex-shrink: 0;
}

.modo-text {
  font-size: 11px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

input[name="modo-lectura"]:checked+.modo-lectura-btn {
  background: #90100f !important;
  color: white !important;
  border-color: #90100f !important;
  box-shadow: 0 2px 8px rgba(144, 16, 15, 0.2);
}

input[name="modo-lectura"]:checked+.modo-lectura-btn .modo-icon {
  animation: bounce 0.3s ease;
}

@keyframes bounce {

  0%,
  100% {
    transform: scale(1);
  }

  50% {
    transform: scale(1.1);
  }
}

/* ===== Selector de modo de impresión (trazos) ===== */
.stroke-mode-selector {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 8px;
}

@media (max-width: 768px) {
  .stroke-mode-selector {
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
  }

  .stroke-mode-selector .stroke-mode-btn {
    padding: 10px 6px;
  }

  .stroke-mode-selector .mode-icon svg {
    width: 20px;
    height: 20px;
  }

  .stroke-mode-selector .mode-title {
    font-size: 11px;
  }

  .stroke-mode-selector .mode-desc {
    display: none;
  }
}

.stroke-mode-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 16px 12px;
  background: var(--bg-primary);
  border: 2px solid var(--border-color);
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.2s ease;
  text-align: center;
  min-height: 100px;
}

.stroke-mode-btn:hover {
  border-color: var(--primary);
  background: var(--accent-light);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(144, 16, 15, 0.1);
}

.stroke-mode-btn .mode-icon {
  font-size: 32px;
  line-height: 1;
}

.stroke-mode-btn .mode-content {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stroke-mode-btn .mode-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
}

.stroke-mode-btn .mode-desc {
  font-size: 11px;
  color: var(--text-tertiary);
  line-height: 1.3;
}

input[name="stroke-mode"]:checked + .stroke-mode-btn {
  background: linear-gradient(135deg, #90100f 0%, #b31412 100%) !important;
  color: white !important;
  border-color: #90100f !important;
  box-shadow: 0 4px 16px rgba(144, 16, 15, 0.3);
  transform: translateY(-2px);
}

input[name="stroke-mode"]:checked + .stroke-mode-btn .mode-title {
  color: white !important;
}

input[name="stroke-mode"]:checked + .stroke-mode-btn .mode-desc {
  color: rgba(255, 255, 255, 0.85) !important;
}

input[name="stroke-mode"]:checked + .stroke-mode-btn .mode-icon {
  animation: bounce 0.4s ease;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
}

/* ===== Selector de estilo de trazos ===== */
.stroke-style-selector {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-top: 8px;
}

@media (max-width: 768px) {
  .stroke-style-selector {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
  }

  .stroke-style-selector .stroke-style-btn {
    padding: 10px 6px;
  }

  .stroke-style-selector .style-icon svg {
    width: 20px;
    height: 20px;
  }

  .stroke-style-selector .style-title {
    font-size: 11px;
  }

  .stroke-style-selector .style-desc {
    display: none;
  }
}

.stroke-style-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 16px 12px;
  background: var(--bg-primary);
  border: 2px solid var(--border-color);
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.2s ease;
  text-align: center;
  min-height: 100px;
}

.stroke-style-btn:hover {
  border-color: var(--primary);
  background: var(--accent-light);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(144, 16, 15, 0.1);
}

.stroke-style-btn .style-icon {
  font-size: 32px;
  line-height: 1;
}

.stroke-style-btn .style-content {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stroke-style-btn .style-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
}

.stroke-style-btn .style-desc {
  font-size: 11px;
  color: var(--text-tertiary);
  line-height: 1.3;
}

input[name="stroke-style"]:checked + .stroke-style-btn {
  background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%) !important;
  color: white !important;
  border-color: #1e3a8a !important;
  box-shadow: 0 4px 16px rgba(30, 58, 138, 0.3);
  transform: translateY(-2px);
}

input[name="stroke-style"]:checked + .stroke-style-btn .style-title {
  color: white !important;
}

input[name="stroke-style"]:checked + .stroke-style-btn .style-desc {
  color: rgba(255, 255, 255, 0.85) !important;
}

input[name="stroke-style"]:checked + .stroke-style-btn .style-icon {
  animation: bounce 0.4s ease;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
}

/* Selector de caracteres por página */
.chars-per-page-selector {
  display: flex;
  gap: 8px;
}

.cpp-btn {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 12px 16px;
  border: 2px solid var(--border-color);
  border-radius: 12px;
  background: var(--bg-secondary);
  cursor: pointer;
  transition: all 0.2s ease;
}

.cpp-btn:hover {
  border-color: var(--primary);
  background: var(--bg-primary);
}

.cpp-btn .cpp-value {
  font-size: 24px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
}

.cpp-btn .cpp-label {
  font-size: 11px;
  color: var(--text-tertiary);
  margin-top: 4px;
}

input[name="chars-per-page"]:checked + .cpp-btn {
  border-color: var(--primary);
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  box-shadow: 0 4px 12px rgba(var(--primary-rgb), 0.3);
}

input[name="chars-per-page"]:checked + .cpp-btn .cpp-value {
  color: white;
}

input[name="chars-per-page"]:checked + .cpp-btn .cpp-label {
  color: rgba(255, 255, 255, 0.85);
}

/* También aplicar a chars-per-row-complete */
input[name="chars-per-row-complete"]:checked + .cpp-btn {
  border-color: var(--primary);
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  box-shadow: 0 4px 12px rgba(var(--primary-rgb), 0.3);
}

input[name="chars-per-row-complete"]:checked + .cpp-btn .cpp-value {
  color: white;
}

input[name="chars-per-row-complete"]:checked + .cpp-btn .cpp-label {
  color: rgba(255, 255, 255, 0.85);
}

/* Selector de modo de ordenamiento - Grid compacto */
.sort-mode-selector {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
}

.sort-option {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 4px;
  padding: 8px 6px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background: var(--bg-secondary);
  cursor: pointer;
  transition: all 0.2s ease;
}

.sort-option:hover {
  border-color: var(--primary);
  background: var(--bg-primary);
}

.sort-option input[type="radio"] {
  display: none;
}

.sort-option .sort-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.2;
}

.sort-option .sort-desc {
  display: none;
}

.sort-option:has(input:checked) {
  border-color: var(--primary);
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  box-shadow: 0 2px 8px rgba(var(--primary-rgb), 0.3);
}

.sort-option:has(input:checked) .sort-label {
  color: white;
}

@media (max-width: 480px) {
  .sort-mode-selector {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Sistema de jerarquía tipo árbol */
.tree-child {
  position: relative;
  margin-left: 20px;
  padding-left: 16px;
}

.tree-child::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 2px;
  height: calc(50% + 4px);
  background: var(--border-color);
  border-radius: 1px;
}

.tree-child::after {
  content: "";
  position: absolute;
  left: 0;
  top: calc(50% + 4px);
  width: 12px;
  height: 2px;
  background: var(--border-color);
  border-radius: 1px;
}

.tree-child .tree-child::before {
  height: calc(50% + 8px);
}

.tree-child .tree-child::after {
  top: calc(50% + 8px);
}

/* Etiqueta de contexto del árbol */
.tree-context-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  color: var(--text-tertiary);
  margin-bottom: 8px;
  padding-left: 2px;
}

.tree-context-label svg {
  opacity: 0.6;
}

/* Sección de personalización avanzada */
.advanced-options-details {
  width: 100%;
  border: 1px solid var(--border-color);
  border-radius: 12px;
  background: var(--bg-secondary);
}

.advanced-options-summary {
  padding: 12px 16px;
  cursor: pointer;
  font-weight: 500;
  color: var(--text-secondary);
  list-style: none;
  display: flex;
  align-items: center;
  gap: 8px;
}

.advanced-options-summary::-webkit-details-marker {
  display: none;
}

.advanced-options-summary::after {
  content: "▸";
  margin-left: auto;
  transition: transform 0.2s ease;
}

.advanced-options-details[open] .advanced-options-summary::after {
  transform: rotate(90deg);
}

.advanced-options-content {
  padding: 0 16px 16px;
  border-top: 1px solid var(--border-color);
}

/* Selector de color del carácter */
.ref-color-selector {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.color-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 8px 12px;
  border: 2px solid var(--border-color);
  border-radius: 10px;
  background: var(--bg-secondary);
  cursor: pointer;
  transition: all 0.2s ease;
  min-width: 60px;
}

.color-btn:hover {
  border-color: var(--primary);
  background: var(--bg-primary);
}

.color-btn .color-preview {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--btn-color);
  border: 2px solid rgba(0, 0, 0, 0.1);
}

.color-btn .color-label {
  font-size: 10px;
  color: var(--text-tertiary);
  margin-top: 4px;
}

.color-btn-multi .color-preview-multi {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: conic-gradient(
    #DC2626 0deg 60deg,
    #F59E0B 60deg 120deg,
    #16A34A 120deg 180deg,
    #0284C7 180deg 240deg,
    #9333EA 240deg 300deg,
    #EC4899 300deg 360deg
  );
  border: 2px solid rgba(0, 0, 0, 0.1);
}

input[name="ref-color"]:checked + .color-btn {
  border-color: var(--primary);
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  box-shadow: 0 4px 12px rgba(var(--primary-rgb), 0.3);
}

input[name="ref-color"]:checked + .color-btn .color-label {
  color: rgba(255, 255, 255, 0.9);
}

input[name="ref-color"]:checked + .color-btn .color-preview,
input[name="ref-color"]:checked + .color-btn .color-preview-multi {
  border-color: rgba(255, 255, 255, 0.5);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

/* Selector de color del trazo (dual: gris + resaltado) */
.color-btn-dual .color-preview-dual {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--btn-color-secondary) 50%, var(--btn-color) 50%);
  border: 2px solid var(--border-color);
}

input[name="stroke-color"]:checked + .color-btn {
  border-color: var(--btn-color, var(--accent));
  background: var(--btn-color, var(--accent));
}

input[name="stroke-color"]:checked + .color-btn-multi {
  border-color: #DC2626;
  background: linear-gradient(135deg, #DC2626, #F59E0B, #16A34A, #0284C7);
}

input[name="stroke-color"]:checked + .color-btn .color-label {
  color: rgba(255, 255, 255, 0.9);
}

input[name="stroke-color"]:checked + .color-btn .color-preview-dual,
input[name="stroke-color"]:checked + .color-btn .color-preview-multi {
  border-color: rgba(255, 255, 255, 0.5);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

/* Checkbox options en sección avanzada */
.checkbox-option {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.checkbox-option:hover {
  border-color: var(--accent);
  background: var(--bg-secondary);
}

.checkbox-option input[type="checkbox"] {
  width: 18px;
  height: 18px;
  cursor: pointer;
  accent-color: #90100f;
  margin: 0;
}

.checkbox-option .checkbox-label {
  font-size: 13px;
  color: var(--text-primary);
  user-select: none;
}

/* Botones de color compactos (versión sm) */
.color-btn-sm {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4px;
  border: 2px solid var(--border-color);
  border-radius: 6px;
  background: var(--bg-secondary);
  cursor: pointer;
  transition: all 0.2s ease;
}

.color-btn-sm:hover {
  border-color: var(--accent);
  transform: scale(1.05);
}

.color-btn-sm .color-preview-sm {
  width: 20px;
  height: 20px;
  border-radius: 4px;
  background: var(--btn-color, #333);
  border: 1px solid rgba(0,0,0,0.1);
}

.color-btn-multi-sm .color-preview-multi-sm {
  width: 20px;
  height: 20px;
  border-radius: 4px;
  background: conic-gradient(
    #DC2626 0deg 60deg,
    #F59E0B 60deg 120deg,
    #16A34A 120deg 180deg,
    #0284C7 180deg 240deg,
    #9333EA 240deg 300deg,
    #EC4899 300deg 360deg
  );
  border: 1px solid rgba(0,0,0,0.1);
}

.color-btn-dual-sm .color-preview-dual-sm {
  width: 20px;
  height: 20px;
  border-radius: 4px;
  background: linear-gradient(135deg, var(--btn-color-secondary) 50%, var(--btn-color) 50%);
  border: 1px solid rgba(0,0,0,0.1);
}

input[name="ref-color"]:checked + .color-btn-sm,
input[name="ref-color-alt"]:checked + .color-btn-sm,
input[name="stroke-color"]:checked + .color-btn-sm,
input[name="stroke-color-alt"]:checked + .color-btn-sm {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(144, 16, 15, 0.2);
}

/* Opciones colapsables compactas */
.collapsible-option {
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background: var(--bg-secondary);
}

.collapsible-summary {
  padding: 8px 12px;
  cursor: pointer;
  font-weight: 500;
  font-size: 12px;
  color: var(--text-secondary);
  list-style: none;
  display: flex;
  align-items: center;
}

.collapsible-summary::-webkit-details-marker {
  display: none;
}

.collapsible-summary::after {
  content: "▸";
  margin-left: auto;
  font-size: 10px;
  transition: transform 0.2s ease;
}

.collapsible-option[open] .collapsible-summary::after {
  transform: rotate(90deg);
}

.collapsible-content {
  padding: 8px 12px 12px;
  border-top: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.checkbox-option-compact {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  cursor: pointer;
}

.checkbox-option-compact input[type="checkbox"] {
  width: 14px;
  height: 14px;
  cursor: pointer;
  accent-color: #90100f;
  margin: 0;
}

.checkbox-option-compact span {
  color: var(--text-primary);
  user-select: none;
}

/* Ocultar opciones según idioma */
body[data-idioma="zh"] .opcion-ja {
  display: none !important;
}

body[data-idioma="ja"] .opcion-zh {
  display: none !important;
}

/* Efecto de highlight */
@keyframes pulseHighlight {

  0%,
  100% {
    box-shadow: 0 0 0 0 rgba(144, 16, 15, 0.7);
    border-color: var(--border-color);
  }

  50% {
    box-shadow: 0 0 0 10px rgba(144, 16, 15, 0);
    border-color: #90100f;
  }
}

.highlight-pulse {
  animation: pulseHighlight 1.5s ease-in-out 3;
}

.barra-filtros-categorias.highlight-pulse .filtro-cat {
  animation: pulseHighlight 1.5s ease-in-out 3;
}

/* ==================== MODAL DE SELECCIONES GUARDADAS ==================== */
#selecciones-overlay {
  position: fixed !important;
  top: 0 !important;
  left: 0 !important;
  right: 0 !important;
  bottom: 0 !important;
  background: rgba(0, 0, 0, 0.7) !important;
  z-index: 999999 !important;
  display: none !important;
  align-items: center !important;
  justify-content: center !important;
  padding: 20px !important;
}

#selecciones-overlay.active {
  display: flex !important;
}

#selecciones-modal {
  position: relative !important;
  background: white !important;
  padding: 24px !important;
  border-radius: 16px !important;
  width: 700px !important;
  max-width: 90vw !important;
  max-height: 80vh !important;
  display: flex !important;
  flex-direction: column !important;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3) !important;
  z-index: 1000000 !important;
  overflow: hidden !important;
}

[data-theme="dark"] #selecciones-modal {
  background: var(--bg-secondary) !important;
}

#selecciones-lista {
  display: block !important;
  visibility: visible !important;
  opacity: 1 !important;
  min-height: 200px !important;
  width: 100% !important;
  overflow-y: auto !important;
  max-height: 400px !important;
  background: transparent !important;
  padding: 16px !important;
  margin: 0 !important;
  flex: 1 !important;
}

.seleccion-item {
  display: block !important;
  visibility: visible !important;
  opacity: 1 !important;
  background: white !important;
  padding: 16px !important;
  border-radius: 8px !important;
  margin-bottom: 12px !important;
  border: 2px solid #e5e7eb !important;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1) !important;
  position: relative !important;
  z-index: 1 !important;
  width: 100% !important;
  min-height: 80px !important;
}

[data-theme="dark"] .seleccion-item {
  background: var(--bg-tertiary) !important;
  border-color: var(--border-color) !important;
}

.seleccion-item>div {
  display: flex !important;
  visibility: visible !important;
  opacity: 1 !important;
}

.seleccion-item strong {
  display: block !important;
  visibility: visible !important;
  opacity: 1 !important;
  font-size: 15px !important;
  color: #1a1a1a !important;
  font-weight: 600 !important;
  margin-bottom: 4px !important;
}

[data-theme="dark"] .seleccion-item strong {
  color: var(--text-primary) !important;
}

/* Botón dropdown de selecciones estilizado */
.dropdown-selecciones-styled {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
  padding: 10px 12px;
  border: 2px solid var(--border-color);
  border-radius: 8px;
  background: var(--bg-secondary);
  color: var(--text-primary);
  font-size: 14px;
  cursor: pointer;
  transition: all 0.2s ease;
  width: 100%;
  text-align: left;
}

.dropdown-selecciones-styled:hover {
  border-color: #90100f;
  background: var(--bg-tertiary);
}

.dropdown-selecciones-styled:focus {
  outline: none;
  border-color: #90100f;
  box-shadow: 0 0 0 3px rgba(144, 16, 15, 0.1);
}

.dropdown-selecciones-styled.activo {
  border-color: #90100f;
  background: var(--bg-tertiary);
}

/* Menú desplegable de selecciones - ESTILO HSK */
.menu-desplegable {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  right: 0;
  background: var(--bg-primary);
  border: 2px solid var(--border-color);
  border-radius: 12px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
  z-index: 1000;
  max-height: 450px;
  overflow: hidden;
  opacity: 0;
  transform: translateY(-10px);
  transition: all 0.2s ease;
  pointer-events: none;
  padding: 16px;
  display: block;
  /* 👈 IMPORTANTE: siempre visible en el DOM */
  visibility: hidden;
  /* 👈 Pero invisible hasta que tenga .active */
}

.menu-desplegable.active {
  opacity: 1;
  transform: translateY(0);
  pointer-events: all;
  visibility: visible;
  /* 👈 Mostrar cuando esté activo */
}

/* Scroll interno del menú */
#lista-selecciones-menu {
  max-height: 380px;
  overflow-y: auto;
  padding-right: 4px;
}

#lista-selecciones-menu::-webkit-scrollbar {
  width: 6px;
}

#lista-selecciones-menu::-webkit-scrollbar-track {
  background: var(--bg-tertiary);
  border-radius: 3px;
}

#lista-selecciones-menu::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 3px;
}

#lista-selecciones-menu::-webkit-scrollbar-thumb:hover {
  background: var(--text-secondary);
}

.menu-desplegable::-webkit-scrollbar {
  width: 8px;
}

.menu-desplegable::-webkit-scrollbar-track {
  background: var(--bg-tertiary);
  border-radius: 4px;
}

.menu-desplegable::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 4px;
}

.menu-desplegable::-webkit-scrollbar-thumb:hover {
  background: var(--text-secondary);
}

/* Items del menú */
.item-seleccion-menu {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px;
  border-radius: 8px;
  margin-bottom: 6px;
  cursor: pointer;
  transition: all 0.2s ease;
  background: var(--bg-secondary);
  border: 2px solid transparent;
  gap: 12px;
}

.item-seleccion-menu:hover {
  background: var(--bg-tertiary);
  border-color: #90100f;
  transform: translateX(2px);
}

.item-seleccion-info {
  flex: 1;
  min-width: 0;
  cursor: pointer;
}

.item-seleccion-nombre {
  font-weight: 600;
  color: var(--text-primary);
  font-size: 14px;
  margin-bottom: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.item-seleccion-detalles {
  font-size: 12px;
  color: var(--text-secondary);
}

.btn-eliminar-menu {
  padding: 8px 12px;
  background: transparent;
  border: 2px solid transparent;
  border-radius: 6px;
  cursor: pointer;
  font-size: 18px;
  transition: all 0.2s ease;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn-eliminar-menu:hover {
  background: #fee2e2;
  border-color: #fecaca;
  transform: scale(1.1) rotate(5deg);
}

.menu-vacio {
  padding: 40px 20px;
  text-align: center;
  color: var(--text-secondary);
  font-size: 14px;
}

.btn-opciones-dropdown {
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  width: 32px;
  height: 32px;
  padding: 0;
  border: none;
  background: transparent;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  transition: all 0.2s ease;
  z-index: 1;
}

.btn-opciones-dropdown svg {
  width: 18px;
  height: 18px;
  color: var(--text-secondary);
  transition: all 0.2s ease;
}

.btn-opciones-dropdown:hover {
  background: var(--bg-tertiary);
}

.btn-opciones-dropdown:hover svg {
  color: #90100f;
  transform: rotate(90deg);
}

/* Lista de eliminación */
.item-eliminar-seleccion {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px;
  border: 2px solid var(--border-color);
  border-radius: 8px;
  margin-bottom: 8px;
  background: var(--bg-secondary);
  transition: all 0.2s ease;
}

.item-eliminar-seleccion:hover {
  background: var(--bg-tertiary);
  border-color: #90100f;
}

.item-info-eliminar {
  flex: 1;
}

.item-info-eliminar strong {
  display: block;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.item-info-eliminar small {
  color: var(--text-secondary);
  font-size: 12px;
}

.btn-eliminar-item {
  padding: 8px 12px;
  background: #fee2e2;
  color: #dc2626;
  border: 2px solid #fecaca;
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  gap: 4px;
}

.btn-eliminar-item:hover {
  background: #fecaca;
  transform: translateY(-1px);
}

/* ==================== MODAL GENERAL ==================== */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(8px);
  z-index: 999999;
  align-items: center;
  justify-content: center;
}

.modal input[type="text"],
.modal select {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border: 2px solid var(--border-color);
  border-radius: 6px;
}

.modal select option {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

.modal.active,
.modal[style*="display: block"] {
  display: flex !important;
}

.modal-content {
  background: var(--bg-primary);
  border-radius: 12px;
  max-height: 90vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.modal-large {
  width: 90%;
  max-width: 700px;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  border-bottom: 2px solid var(--border-color);
}

.modal-header h2 {
  margin: 0;
  color: var(--text-primary);
  font-size: 1.5em;
}

.modal-header .close {
  font-size: 28px;
  font-weight: bold;
  color: var(--text-secondary);
  cursor: pointer;
  transition: color 0.2s;
  line-height: 1;
}

.modal-header .close:hover {
  color: #90100f;
}

.modal-body {
  padding: 24px;
}

/* ==================== FEEDBACK DETALLADO ==================== */
.detailed-feedback-term {
  padding: 15px;
  border-bottom: 1px solid var(--border-color);
  transition: background-color 0.2s;
  background: var(--bg-primary);
}

.detailed-feedback-term:hover {
  background-color: var(--bg-tertiary);
}

.detailed-feedback-term.marked {
  background-color: rgba(76, 175, 80, 0.1);
  border-left: 3px solid #4CAF50;
}

[data-theme="dark"] .detailed-feedback-term.marked {
  background-color: rgba(76, 175, 80, 0.15);
}

.term-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.term-info {
  flex: 1;
}

.term-number {
  color: var(--text-secondary);
  font-weight: bold;
  margin-right: 10px;
}

.term-hanzi {
  font-size: 1.2em;
  font-weight: bold;
  margin-right: 10px;
  color: var(--text-primary);
}

.term-pinyin {
  color: var(--text-secondary);
  margin-right: 10px;
}

.term-translation {
  color: var(--text-primary);
}

.term-quick-actions {
  display: flex;
  gap: 5px;
}

.btn-quick {
  padding: 6px 10px;
  font-size: 0.85em;
  border: 2px solid var(--border-color);
  background: var(--bg-secondary);
  color: var(--text-primary);
  cursor: pointer;
  border-radius: 4px;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  gap: 4px;
}

.btn-quick svg {
  flex-shrink: 0;
}

.btn-quick:hover {
  background: var(--bg-tertiary);
  border-color: #90100f;
}

.btn-quick.active {
  background: #90100f;
  color: white;
  border-color: #90100f;
  box-shadow: 0 2px 4px rgba(144, 16, 15, 0.3);
}

.btn-quick.active svg {
  color: white;
}

.term-feedback-options {
  display: flex;
  gap: 15px;
  margin-left: 30px;
  flex-wrap: wrap;
}

.feedback-option {
  display: flex;
  align-items: center;
  cursor: pointer;
}

.feedback-option input[type="radio"] {
  margin-right: 5px;
  cursor: pointer;
}

.feedback-option label {
  cursor: pointer;
}

@media (max-width: 768px) {
  .term-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .term-quick-actions {
    margin-top: 10px;
  }

  .term-feedback-options {
    margin-left: 0;
    margin-top: 10px;
  }
}

/* ==================== SEMANAS COLAPSABLES ==================== */
details[open] summary svg {
  transform: rotate(180deg);
}

details summary::-webkit-details-marker {
  display: none;
}

details summary {
  list-style: none;
}

/* ============================================
   MODAL DE DETALLES DEL TÉRMINO
   ============================================ */

#termDetailsModal {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

#termDetailsModal input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  background: var(--border-color);
  border-radius: 4px;
  outline: none;
}

#termDetailsModal input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  background: var(--accent-color);
  border-radius: 50%;
  cursor: pointer;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
  transition: transform 0.2s;
}

#termDetailsModal input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.1);
}

#termDetailsModal input[type="range"]::-moz-range-thumb {
  width: 20px;
  height: 20px;
  background: var(--accent-color);
  border-radius: 50%;
  cursor: pointer;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
  border: none;
  transition: transform 0.2s;
}

#termDetailsModal input[type="range"]::-moz-range-thumb:hover {
  transform: scale(1.1);
}

#termDetailHistory::-webkit-scrollbar {
  width: 8px;
}

#termDetailHistory::-webkit-scrollbar-track {
  background: var(--bg-tertiary);
  border-radius: 4px;
}

#termDetailHistory::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 4px;
}

#termDetailHistory::-webkit-scrollbar-thumb:hover {
  background: var(--text-tertiary);
}

/* ============================================
   ESTILOS MEJORADOS PARA SLIDERS (INPUT RANGE)
   ============================================ */

/* Resetear estilos del slider */
input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 8px;
  background: transparent;
  outline: none;
  border-radius: 4px;
  cursor: pointer;
}

/* Track (la línea de fondo) */
input[type="range"]::-webkit-slider-runnable-track {
  width: 100%;
  height: 8px;
  background: linear-gradient(to right,
      var(--primary-color) 0%,
      var(--primary-color) var(--slider-value, 50%),
      var(--border-color) var(--slider-value, 50%),
      var(--border-color) 100%);
  border-radius: 4px;
  transition: all 0.2s ease;
}

input[type="range"]::-moz-range-track {
  width: 100%;
  height: 8px;
  background: var(--border-color);
  border-radius: 4px;
  transition: all 0.2s ease;
}

/* Progress fill para Firefox */
input[type="range"]::-moz-range-progress {
  height: 8px;
  background: var(--primary-color);
  border-radius: 4px 0 0 4px;
}

/* Thumb (la bolita) */
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  background: var(--primary-color);
  border: 3px solid var(--surface-color);
  border-radius: 50%;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
  transition: all 0.2s ease;
}

input[type="range"]::-moz-range-thumb {
  width: 20px;
  height: 20px;
  background: var(--primary-color);
  border: 3px solid var(--surface-color);
  border-radius: 50%;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
  transition: all 0.2s ease;
}

/* Hover effects */
input[type="range"]:hover::-webkit-slider-thumb {
  transform: scale(1.15);
  box-shadow: 0 3px 12px rgba(0, 0, 0, 0.3);
}

input[type="range"]:hover::-moz-range-thumb {
  transform: scale(1.15);
  box-shadow: 0 3px 12px rgba(0, 0, 0, 0.3);
}

/* Active/pressed state */
input[type="range"]:active::-webkit-slider-thumb {
  transform: scale(1.05);
}

input[type="range"]:active::-moz-range-thumb {
  transform: scale(1.05);
}

/* ============================================
   SLIDER DE FRECUENCIA MEJORADO
   ============================================ */

#termDetailFrequencySlider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 8px;
  border-radius: 4px;
  outline: none;
  cursor: pointer;
}

/* Thumb (bolita) para Chrome/Safari */
#termDetailFrequencySlider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  background: var(--primary-color);
  border: 3px solid var(--surface-color);
  border-radius: 50%;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.25);
  transition: all 0.2s ease;
}

#termDetailFrequencySlider::-webkit-slider-thumb:hover {
  transform: scale(1.15);
  box-shadow: 0 3px 12px rgba(0, 0, 0, 0.35);
}

/* Thumb (bolita) para Firefox */
#termDetailFrequencySlider::-moz-range-thumb {
  width: 20px;
  height: 20px;
  background: var(--primary-color);
  border: 3px solid var(--surface-color);
  border-radius: 50%;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.25);
  transition: all 0.2s ease;
}

#termDetailFrequencySlider::-moz-range-thumb:hover {
  transform: scale(1.15);
  box-shadow: 0 3px 12px rgba(0, 0, 0, 0.35);
}

/* Progress bar para Firefox */
#termDetailFrequencySlider::-moz-range-progress {
  background: var(--primary-color);
  height: 8px;
  border-radius: 4px 0 0 4px;
}


/* ============================================
   MODAL DE GESTIÓN DE TÉRMINOS
   ============================================ */

/* Tabs */
.terms-tab-btn:hover {
  color: var(--accent) !important;
  border-bottom-color: var(--accent) !important;
}

.terms-tab-btn.active {
  color: var(--accent) !important;
  border-bottom-color: var(--accent) !important;
}

/* Mostrar/ocultar tabs */
.terms-tab-content {
  display: none !important;
}

.terms-tab-content.active {
  display: block !important;
}

/* Cards de términos - estilo simple y limpio */
.term-card {
  border: 2px solid var(--border-color);
  border-radius: 12px;
  padding: 16px;
  background: var(--bg-secondary);
  margin-bottom: 12px;
  transition: all 0.2s;
}

.term-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* Responsive */
@media (max-width: 768px) {
  .terms-tabs {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .terms-tab-btn {
    white-space: nowrap;
    font-size: 13px !important;
    padding: 10px 16px !important;
  }
}

/* Menú de opciones de listas de usuario */
.btn-opciones-lista:hover {
  color: var(--text-primary) !important;
}

.menu-opciones-lista button:first-child {
  border-radius: 8px 8px 0 0;
}

.menu-opciones-lista button:last-child {
  border-radius: 0 0 8px 8px;
}

.menu-opciones-lista button:hover {
  background: var(--hover-color) !important;
}

.menu-opciones-lista button.btn-eliminar-sidebar:hover {
  background: rgba(239, 68, 68, 0.1) !important;
}

/* Menú de opciones de listas de usuario */
.menu-opciones-lista {
  z-index: 9999 !important;
}

.btn-opciones-lista:hover {
  color: var(--text-primary) !important;
}

.menu-opciones-lista button:first-child {
  border-radius: 8px 8px 0 0;
}

.menu-opciones-lista button:last-child {
  border-radius: 0 0 8px 8px;
}

.menu-opciones-lista button:hover {
  background: var(--hover-color) !important;
}

.menu-opciones-lista button.btn-eliminar-sidebar:hover {
  background: rgba(239, 68, 68, 0.1) !important;
}

/* Opciones expandidas dentro de la tarjeta */
.opciones-expandidas {
  animation: expandirOpciones 0.2s ease-out;
}

@keyframes expandirOpciones {
  from {
    opacity: 0;
    max-height: 0;
  }

  to {
    opacity: 1;
    max-height: 200px;
  }
}

.opcion-menu:hover {
  background: var(--hover-color) !important;
  transform: translateX(2px);
}

.btn-eliminar-sidebar:hover {
  background: #fca5a5 !important;
}

.btn-opciones-lista {
  transition: transform 0.2s ease;
}

/* Flecha de sesiones colapsables */
details summary svg {
  transition: transform 0.3s ease;
}

details[open] summary svg {
  transform: rotate(0deg);
}

/* Sesiones completadas: opacidad solo cuando están colapsadas */
details[open] summary {
  opacity: 1 !important;
  filter: none !important;
}

/* Reducir espaciado entre sesiones cuando están colapsadas */
details:not([open]) {
  margin-bottom: 2px !important;
}

/* Espaciado normal cuando están expandidas */
details[open] {
  margin-bottom: 12px !important;
}

/* Configuración de planes - responsive */
@media (max-width: 768px) {

  /* Mantener grid de 2 columnas pero con menos espacio */
  .plan-config-grid {
    gap: 8px !important;
  }

  /* Ocultar textos largos y mostrar textos cortos */
  .config-title-full,
  .config-label-full,
  .config-desc-full {
    display: none !important;
  }

  .config-title-short,
  .config-label-short,
  .config-desc-short {
    display: inline !important;
  }
}

/* ========================================== */
/* NUEVO: Estilos para estrategia de desbordamiento */
/* ========================================== */

.tooltip-icon {
  display: inline-block;
  width: 16px;
  height: 16px;
  background: var(--primary-color, #90100f);
  color: white;
  border-radius: 50%;
  text-align: center;
  line-height: 16px;
  font-size: 11px;
  cursor: help;
  margin-left: 4px;
  font-weight: bold;
}

.form-advanced {
  margin-top: 1rem;
  padding: 1rem;
  background: var(--bg-tertiary);
  border-radius: 8px;
  border: 1px solid var(--border-color);
}

.form-advanced summary {
  cursor: pointer;
  font-weight: 500;
  color: var(--primary-color, #90100f);
  user-select: none;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 8px;
}

.form-advanced summary::-webkit-details-marker {
  display: none;
}

.form-advanced summary::before {
  content: '▶';
  display: inline-block;
  transition: transform 0.2s ease;
  font-size: 12px;
}

.form-advanced[open] summary::before {
  transform: rotate(90deg);
}

.form-advanced summary:hover {
  color: var(--accent, #c41e1e);
}

.form-advanced[open] summary {
  margin-bottom: 1rem;
}

/* Botón de recalcular fecha automáticamente */
#plan-fecha-recalcular {
  transition: all 0.2s ease;
  animation: fadeIn 0.3s ease;
}

#plan-fecha-recalcular:hover {
  background: var(--accent, #c41e1e) !important;
  transform: scale(1.05);
}

#plan-fecha-recalcular:active {
  transform: scale(0.95);
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateX(10px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* ==================== SLIDER DE BALANCE ==================== */

/* Estilo base del slider */
#plan-balance-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 8px;
  border-radius: 4px;
  background: var(--border-color);
  outline: none;
  cursor: pointer;
  transition: opacity 0.2s;
}

#plan-balance-slider:hover {
  opacity: 0.9;
}

/* Thumb (bolita) - WebKit (Chrome, Safari, Edge) */
#plan-balance-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--primary-color);
  cursor: grab;
  border: 3px solid white;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
  transition: all 0.2s;
  position: relative;
  z-index: 10;
}

#plan-balance-slider::-webkit-slider-thumb:hover {
  transform: scale(1.15);
  box-shadow: 0 3px 8px rgba(0, 0, 0, 0.3);
  cursor: grab;
}

#plan-balance-slider::-webkit-slider-thumb:active {
  transform: scale(1.1);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
  cursor: grabbing;
}

/* Thumb (bolita) - Firefox */
#plan-balance-slider::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--primary-color);
  cursor: grab;
  border: 3px solid white;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
  transition: all 0.2s;
  position: relative;
  z-index: 10;
}

#plan-balance-slider::-moz-range-thumb:hover {
  transform: scale(1.15);
  box-shadow: 0 3px 8px rgba(0, 0, 0, 0.3);
  cursor: grab;
}

#plan-balance-slider::-moz-range-thumb:active {
  transform: scale(1.1);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
  cursor: grabbing;
}

/* Track - Firefox */
#plan-balance-slider::-moz-range-track {
  width: 100%;
  height: 8px;
  border-radius: 4px;
  background: var(--border-color);
}

/* Progress fill - Firefox */
#plan-balance-slider::-moz-range-progress {
  height: 8px;
  border-radius: 4px;
  background: var(--primary-color);
}

/* ==================== ANIMACIÓN FLASH FECHA ==================== */

@keyframes fechaFlash {
  0% {
    border-color: var(--border-color);
    box-shadow: none;
  }
  15% {
    border-color: #e74c3c;
    box-shadow: 0 0 0 3px rgba(231, 76, 60, 0.3);
  }
  40% {
    border-color: #e74c3c;
    box-shadow: 0 0 0 3px rgba(231, 76, 60, 0.3);
  }
  100% {
    border-color: var(--border-color);
    box-shadow: none;
  }
}

#plan-fecha.fecha-actualizada {
  animation: fechaFlash 1.5s ease-in-out;
}

#plan-terminos-totales.terminos-actualizados {
  animation: fechaFlash 1.5s ease-in-out;
}

/* ==================== CENTRAR INPUTS DEL PLAN ==================== */

#form-crear-plan input[type="text"],
#form-crear-plan input[type="number"],
#form-crear-plan input[type="date"],
#form-crear-plan select {
  text-align: center;
}

/* ==================== BADGES LISTAS DEL PLAN ==================== */

/* Badges para listas del sistema (HSK, etc) */
.plan-lista-badge {
  padding: 8px 10px;
  border: 2px solid transparent;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  opacity: 0.4;
  text-align: center;
  user-select: none;
}

.plan-lista-badge:hover {
  opacity: 0.7;
  transform: translateY(-1px);
}

.plan-lista-badge.seleccionado {
  opacity: 1;
  border-color: currentColor;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

/* Colores para listas del sistema (igual que badges HSK existentes) */
.plan-lista-badge.hsk1,
.plan-lista-badge.n5 {
  background: #dcfce7;
  color: #166534;
}

.plan-lista-badge.hsk2,
.plan-lista-badge.n4 {
  background: #dbeafe;
  color: #1e40af;
}

.plan-lista-badge.hsk3,
.plan-lista-badge.n3 {
  background: #fef3c7;
  color: #92400e;
}

.plan-lista-badge.hsk4,
.plan-lista-badge.n2 {
  background: #fed7aa;
  color: #9a3412;
}

.plan-lista-badge.hsk5 {
  background: #fecaca;
  color: #991b1b;
}

.plan-lista-badge.hsk6,
.plan-lista-badge.n1 {
  background: #e9d5ff;
  color: #6b21a8;
}

.plan-lista-badge.radicales,
.plan-lista-badge.otros {
  background: #e5e7eb;
  color: #374151;
}

/* Badges para listas del usuario */
.plan-lista-user-badge {
  padding: 12px 16px;
  border: 2px solid transparent;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  opacity: 0.5;
  text-align: center;
  user-select: none;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  min-width: 120px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.plan-lista-user-badge:hover {
  opacity: 0.8;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.plan-lista-user-badge.seleccionado {
  opacity: 1;
  border-color: #fff;
  box-shadow: 0 4px 16px rgba(102, 126, 234, 0.5);
  transform: translateY(-2px);
}

.plan-lista-user-badge .lista-nombre {
  font-size: 13px;
  font-weight: 600;
}

.plan-lista-user-badge .lista-count {
  font-size: 11px;
  opacity: 0.9;
}

/* Dark mode para badges del sistema */
[data-theme="dark"] .plan-lista-badge.hsk1,
[data-theme="dark"] .plan-lista-badge.n5 {
  background: #14532d;
  color: #86efac;
}

[data-theme="dark"] .plan-lista-badge.hsk2,
[data-theme="dark"] .plan-lista-badge.n4 {
  background: #1e3a8a;
  color: #93c5fd;
}

[data-theme="dark"] .plan-lista-badge.hsk3,
[data-theme="dark"] .plan-lista-badge.n3 {
  background: #78350f;
  color: #fcd34d;
}

[data-theme="dark"] .plan-lista-badge.hsk4,
[data-theme="dark"] .plan-lista-badge.n2 {
  background: #7c2d12;
  color: #fdba74;
}

[data-theme="dark"] .plan-lista-badge.hsk5 {
  background: #7f1d1d;
  color: #fca5a5;
}

[data-theme="dark"] .plan-lista-badge.hsk6,
[data-theme="dark"] .plan-lista-badge.n1 {
  background: #581c87;
  color: #d8b4fe;
}

[data-theme="dark"] .plan-lista-badge.radicales,
[data-theme="dark"] .plan-lista-badge.otros {
  background: #374151;
  color: #e5e7eb;
}

/* Secciones colapsables en modal de planes */
.plan-seccion-colapsable {
  margin-bottom: 16px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  overflow: hidden;
}

.plan-seccion-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: var(--bg-secondary);
  cursor: pointer;
  user-select: none;
  font-weight: 600;
  font-size: 13px;
  color: var(--text-primary);
  transition: all 0.2s;
  list-style: none;
}

.plan-seccion-header::-webkit-details-marker {
  display: none;
}

.plan-seccion-header:hover {
  background: var(--bg-hover);
}

.plan-seccion-icono {
  font-size: 16px;
}

.plan-seccion-titulo {
  flex: 1;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-secondary);
}

.plan-seccion-flecha {
  font-size: 10px;
  transition: transform 0.2s;
  color: var(--text-secondary);
}

details[open].plan-seccion-colapsable .plan-seccion-flecha {
  transform: rotate(90deg);
}

.plan-seccion-contenido {
  padding: 16px;
  background: var(--bg-primary);
}

/* Categorías dentro de listas del sistema */
.plan-categoria {
  margin-bottom: 16px;
}

.plan-categoria:last-child {
  margin-bottom: 0;
}

.plan-categoria-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: var(--bg-secondary);
  border-radius: 6px;
  cursor: pointer;
  user-select: none;
  font-weight: 600;
  font-size: 12px;
  color: var(--text-primary);
  transition: all 0.2s;
  margin-bottom: 8px;
  list-style: none;
}

.plan-categoria-header::-webkit-details-marker {
  display: none;
}

.plan-categoria-header:hover {
  background: var(--bg-hover);
}

.plan-categoria-header svg {
  flex-shrink: 0;
  opacity: 0.8;
}

.plan-categoria-titulo {
  flex: 1;
}

.plan-categoria-count {
  font-size: 11px;
  color: var(--text-tertiary);
  background: var(--bg-primary);
  padding: 2px 8px;
  border-radius: 12px;
}

.plan-categoria-flecha {
  font-size: 8px;
  transition: transform 0.2s;
  color: var(--text-secondary);
}

details[open].plan-categoria .plan-categoria-flecha {
  transform: rotate(90deg);
}

.plan-categoria-badges {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
  gap: 8px;
  padding-left: 4px;
}

/* ============================================
   MODAL: FEEDBACK CON IMAGEN (IA)
   ============================================ */

.feedback-step {
  display: none;
}

.feedback-step.active {
  display: block;
}

.upload-zone {
  border: 2px dashed var(--border-color);
  border-radius: 12px;
  padding: 40px;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s ease;
}

.upload-zone:hover {
  border-color: var(--accent-color);
  background: var(--hover-bg);
}

.upload-zone .upload-icon {
  font-size: 3rem;
  display: block;
  margin-bottom: 10px;
}

.upload-label {
  cursor: pointer;
  display: block;
}

.image-preview-container {
  text-align: center;
  margin-top: 20px;
}

.image-preview-container img {
  max-width: 100%;
  max-height: 300px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
}

.instrucciones-ia {
  background: var(--card-bg);
  padding: 15px;
  border-radius: 8px;
  margin-bottom: 15px;
}

.instrucciones-ia ol {
  margin-left: 20px;
}

.instrucciones-ia code {
  background: var(--hover-bg);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.9em;
}

#json-feedback-input {
  width: 100%;
  font-family: monospace;
  font-size: 0.9rem;
  padding: 12px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background: var(--input-bg);
  color: var(--text-color);
  resize: vertical;
}

.feedback-preview {
  max-height: 300px;
  overflow-y: auto;
  overflow-x: hidden;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 15px;
  width: 100%;
}

.feedback-preview-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px solid var(--border-color);
  gap: 12px;
  min-width: 0; /* Permite que los hijos se encojan */
}

.feedback-preview-item .term {
  flex-shrink: 0;
  min-width: 0;
}

.feedback-preview-item .feedback-badge {
  flex-shrink: 0;
  white-space: nowrap;
}

/* Modal de feedback con imagen - ancho fijo */
#modal-image-feedback .modal-content {
  width: 90%;
  max-width: 600px;
  min-width: 320px;
}

#modal-image-feedback .modal-body {
  overflow-x: hidden;
}

.feedback-preview-item:last-child {
  border-bottom: none;
}

.feedback-preview-item .feedback-badge {
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 500;
}

.feedback-badge.easy {
  background: #d4edda;
  color: #155724;
}

.feedback-badge.normal,
.feedback-badge.good {
  background: #fff3cd;
  color: #856404;
}

.feedback-badge.hard {
  background: #f8d7da;
  color: #721c24;
}

.feedback-badge.again {
  background: #f5c6cb;
  color: #721c24;
}

.feedback-badge.mastered {
  background: #cce5ff;
  color: #004085;
}

.feedback-badge.paused {
  background: #e2e3e5;
  color: #383d41;
}

.feedback-summary {
  margin-top: 15px;
  padding: 15px;
  background: var(--card-bg);
  border-radius: 8px;
  display: flex;
  justify-content: space-around;
  flex-wrap: wrap;
  gap: 10px;
}

.summary-item {
  text-align: center;
}

.summary-item .count {
  font-size: 1.5rem;
  font-weight: bold;
}

.summary-item .label {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* Badges clickeables para cambiar feedback */
.feedback-badge.clickable {
  cursor: pointer;
  user-select: none;
  transition: all 0.15s ease;
}

.feedback-badge.clickable:hover {
  filter: brightness(0.9);
  transform: scale(1.05);
  box-shadow: 0 2px 4px rgba(0,0,0,0.15);
}

.feedback-badge.clickable:active {
  transform: scale(0.95);
}

/* Tooltips para stats */
.summary-item.with-tooltip {
  position: relative;
  cursor: help;
  padding: 8px 12px;
  border-radius: 8px;
  transition: background 0.2s ease;
}

.summary-item.with-tooltip:hover {
  background: rgba(0, 0, 0, 0.05);
}

.summary-item.with-tooltip::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background: #333;
  color: white;
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: normal;
  white-space: nowrap;
  max-width: 280px;
  overflow: hidden;
  text-overflow: ellipsis;
  z-index: 1000;
  box-shadow: 0 2px 8px rgba(0,0,0,0.2);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease, visibility 0.2s ease;
  pointer-events: none;
}

.summary-item.with-tooltip::before {
  content: '';
  position: absolute;
  bottom: calc(100% + 2px);
  left: 50%;
  transform: translateX(-50%);
  border: 6px solid transparent;
  border-top-color: #333;
  z-index: 1001;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease, visibility 0.2s ease;
  pointer-events: none;
}

.summary-item.with-tooltip:hover::after,
.summary-item.with-tooltip:hover::before {
  opacity: 1;
  visibility: visible;
}

/* Multi-upload container */
.multi-upload-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 16px;
}

.upload-slot {
  position: relative;
}

.upload-slot-label {
  display: block;
  cursor: pointer;
}

.upload-zone-mini {
  border: 2px dashed var(--border-color);
  border-radius: 12px;
  padding: 32px 16px;
  text-align: center;
  transition: all 0.3s ease;
  background: var(--bg-secondary);
  min-height: 180px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.upload-zone-mini:hover {
  border-color: var(--accent-color);
  background: var(--hover-bg);
}

.upload-icon-mini {
  font-size: 2.5rem;
  display: block;
}

.upload-text-mini {
  font-weight: 600;
  font-size: 1rem;
  color: var(--text-primary);
}

.upload-hint-mini {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.preview-slot {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  min-height: 180px;
}

.preview-img-mini {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: 12px;
  border: 2px solid var(--border-color);
}

.preview-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
}

.preview-check {
  font-size: 3rem;
  color: #10b981;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.btn-remove-img {
  position: absolute;
  top: 8px;
  right: 8px;
  background: rgba(239, 68, 68, 0.9);
  color: white;
  border: none;
  border-radius: 50%;
  width: 28px;
  height: 28px;
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}

.btn-remove-img:hover {
  background: #dc2626;
  transform: scale(1.1);
}

@media (max-width: 768px) {
  .multi-upload-container {
    grid-template-columns: 1fr;
  }
}

/* ==================== SPINNER DE CARGA (IA) ==================== */
.spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: #fff;
  animation: spin 0.8s ease-in-out infinite;
  vertical-align: middle;
  margin-right: 8px;
}

.spinner-large {
  display: inline-block;
  width: 48px;
  height: 48px;
  border: 4px solid var(--border-color);
  border-radius: 50%;
  border-top-color: var(--accent-color);
  animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* Overlay de análisis */
.analyzing-overlay {
  backdrop-filter: blur(4px);
}

[data-theme="dark"] .analyzing-overlay {
  background: rgba(30, 30, 30, 0.9) !important;
}

/* Botones de tamaño para Pinyin y Español */
.size-option {
  display: inline-flex;
  cursor: pointer;
}

.size-btn {
  padding: 6px 12px;
  font-size: 11px;
  font-weight: 500;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  background: var(--bg-secondary);
  color: var(--text-secondary);
  transition: all 0.2s ease;
}

.size-btn:hover {
  border-color: var(--primary);
  background: var(--bg-primary);
}

.size-option:has(input:checked) .size-btn {
  border-color: var(--primary);
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  box-shadow: 0 2px 6px rgba(var(--primary-rgb), 0.25);
}

/* ============================================================
   MAZO CONTINUO - Estilos generales (prefijo mazo-*)
   ============================================================ */

#tab-mazos .mazo-container { padding: 0; }

/* Tarjeta de mazo vertical, como las tarjetas de Textos (reporte txYVdO, 7-nov-2026). */
.mazo-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 16px 18px;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: stretch;
  gap: 12px;
  min-height: 110px;
}
.mazo-card:hover {
  border-color: var(--primary);
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}
.mazo-card-info h3 { margin: 0 0 4px; font-size: 16px; }
.mazo-card-info p { margin: 0; font-size: 13px; color: var(--text-secondary); }
.mazo-card-stats {
  display: flex; gap: 16px; font-size: 13px; color: var(--text-secondary);
}
.mazo-card-stats .mazo-stat-num { font-weight: 600; color: var(--text-primary); }

.mazo-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}
.mazo-stat-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 14px;
  text-align: center;
}
.mazo-stat-card .mazo-stat-value {
  display: block; font-size: 28px; font-weight: 700; line-height: 1.1; color: var(--primary);
}
.mazo-stat-card .mazo-stat-label {
  display: block; font-size: 12px; color: var(--text-secondary); margin-top: 6px;
}

.mazo-btn-study {
  display: flex; align-items: center; gap: 8px;
  padding: 14px 24px; border-radius: 12px;
  background: linear-gradient(135deg, #e11d48, #be123c);
  color: white; border: none; cursor: pointer;
  font-size: 16px; font-weight: 600;
  transition: all 0.2s; flex: 1; justify-content: center;
  box-shadow: 0 4px 12px rgba(225, 29, 72, 0.35);
}
.mazo-btn-study:hover { opacity: 0.9; transform: translateY(-2px); box-shadow: 0 6px 16px rgba(225, 29, 72, 0.45); }

.mazo-btn-secondary {
  padding: 8px 16px; border-radius: 8px;
  background: var(--bg-secondary); color: var(--text-primary);
  border: 1px solid var(--border-color); cursor: pointer;
  font-size: 13px; transition: all 0.2s;
}
.mazo-btn-secondary:hover { border-color: var(--primary); }

.mazo-btn-back {
  background: none; border: none; cursor: pointer;
  color: var(--text-secondary); padding: 4px;
  border-radius: 6px; display: flex; align-items: center;
}
.mazo-btn-back:hover { background: var(--bg-secondary); color: var(--primary); }

.mazo-btn-icon {
  background: none; border: none; cursor: pointer;
  color: var(--text-secondary); padding: 6px;
  border-radius: 6px; display: flex; align-items: center;
}
.mazo-btn-icon:hover { background: var(--bg-secondary); color: var(--primary); }

.mazo-label {
  display: block; font-size: 13px; font-weight: 500;
  color: var(--text-secondary); margin-bottom: 6px;
}
.mazo-input {
  width: 100%; padding: 10px 12px; border-radius: 8px;
  border: 1px solid var(--border-color); background: var(--bg-primary);
  color: var(--text-primary); font-size: 14px;
  box-sizing: border-box;
}
.mazo-input:focus { outline: none; border-color: var(--primary); }

.mazo-select {
  width: 100%; padding: 10px 12px; border-radius: 8px;
  border: 1px solid var(--border-color); background: var(--bg-primary);
  color: var(--text-primary); font-size: 14px;
  box-sizing: border-box;
}

.mazo-textarea {
  width: 100%; padding: 10px 12px; border-radius: 8px;
  border: 1px solid var(--border-color); background: var(--bg-primary);
  color: var(--text-primary); font-size: 14px; font-family: monospace;
  resize: vertical; box-sizing: border-box;
}

.mazo-range { width: 100%; margin: 4px 0; }

.mazo-checkbox-list {
  display: flex; flex-direction: column; gap: 8px;
  max-height: 200px; overflow-y: auto;
}
.mazo-checkbox-list label {
  display: flex; align-items: center; gap: 8px;
  font-size: 14px; cursor: pointer;
}

.mazo-listas-results .mazo-lista-item {
  border-bottom: 1px solid var(--border-color);
}
.mazo-lista-head {
  padding: 10px 12px; cursor: pointer;
  display: flex; justify-content: space-between; align-items: center; gap: 10px;
}
.mazo-lista-head:hover { background: var(--bg-secondary); }
.mazo-lista-item.selected > .mazo-lista-head { background: rgba(var(--primary-rgb), 0.1); }
.mazo-lista-head-left { display: inline-flex; align-items: center; gap: 8px; min-width: 0; }
.mazo-lista-head-left strong { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.mazo-lista-meta { color: var(--text-secondary); font-size: 13px; white-space: nowrap; flex-shrink: 0; }
.mazo-lista-caret { width: 16px; height: 16px; flex-shrink: 0; color: var(--text-secondary); transition: transform .15s ease; }
.mazo-lista-item.selected .mazo-lista-caret { transform: rotate(90deg); }

/* Checklist de términos (panel enfocado dentro del modal de agregar al mazo). */
.mazo-lista-terms { display: none; padding: 4px 12px 12px 32px; }
.mazo-lista-item.selected .mazo-lista-terms { display: block; }
.mazo-term-controls { display: flex; gap: 14px; margin: 4px 0 8px; }
.mazo-term-bulk {
  background: none; border: none; padding: 0; cursor: pointer;
  color: var(--accent); font-size: 12px; font-weight: 600;
}
.mazo-term-bulk:hover { text-decoration: underline; }
.mazo-term-row {
  display: flex; align-items: baseline; gap: 8px;
  padding: 4px 0; font-size: 14px; cursor: pointer;
}
.mazo-term-row input { cursor: pointer; flex-shrink: 0; }
.mazo-term-hanzi { font-weight: 600; flex-shrink: 0; }
.mazo-term-py { color: var(--text-secondary); font-size: 13px; flex-shrink: 0; }
.mazo-term-esp { color: var(--text-secondary); flex: 1; min-width: 0; }
.mazo-term-nivel {
  font-size: 11px; font-weight: 700; color: var(--accent);
  background: var(--accent-light); padding: 1px 6px; border-radius: 999px; flex-shrink: 0;
}

.mazo-lote-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px; padding: 12px 16px;
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 8px;
}
.mazo-lote-card .mazo-lote-name { font-weight: 500; }
.mazo-lote-card .mazo-lote-count { font-size: 13px; color: var(--text-secondary); }

/* Rejilla de lotes: aprovecha el ancho — varias columnas en pantallas anchas,
   menos en angostas. El gap reemplaza el margin-bottom de cada tarjeta. */
.mazo-lotes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 8px;
}
.mazo-lotes-grid .mazo-lote-card { margin-bottom: 0; gap: 8px; } /* aire entre nombre y conteo */

.mazo-add-tab {
  padding: 6px 14px; border-radius: 6px;
  border: 1px solid var(--border-color);
  background: var(--bg-primary); color: var(--text-secondary);
  cursor: pointer; font-size: 13px; transition: all 0.2s;
}
.mazo-add-tab.active {
  background: var(--primary); color: white; border-color: var(--primary);
}

.mazo-term-row {
  display: flex; justify-content: space-between; align-items: center;
  padding: 8px 12px; border-bottom: 1px solid var(--border-color);
  font-size: 14px;
}
.mazo-term-row .mazo-term-hanzi { font-size: 18px; font-weight: 500; }
.mazo-term-row .mazo-term-pinyin { color: var(--text-secondary); font-size: 13px; }
.mazo-term-row .mazo-term-esp { color: var(--text-secondary); }
.mazo-term-row .mazo-term-status {
  font-size: 11px; padding: 2px 8px; border-radius: 10px;
  background: var(--bg-primary); color: var(--text-secondary);
}
/* Marcar un término para la hoja de escritura desde la lista */
.mazo-term-hoja {
  background: none; border: none; cursor: pointer; padding: 4px 2px;
  color: var(--text-tertiary, var(--text-secondary));
  display: inline-flex; align-items: center; flex-shrink: 0;
}
.mazo-term-hoja:hover { color: var(--text-primary); }
.mazo-term-hoja.marcada { color: #2563eb; }
.mazo-term-hoja:disabled { opacity: 0.5; cursor: default; }
/* Preguntar al profesor sobre un término desde la lista */
.mazo-term-consulta {
  background: none; border: none; cursor: pointer; padding: 4px 2px;
  color: var(--text-tertiary, var(--text-secondary));
  display: inline-flex; align-items: center; flex-shrink: 0;
}
.mazo-term-consulta:hover { color: var(--text-primary); }
.mazo-term-status.mastered { background: #dcfce7; color: #16a34a; }
.mazo-term-status.learning { background: #fef3c7; color: #d97706; }
.mazo-term-status.new { background: #e0e7ff; color: #4f46e5; }

/* Celular: la fila de término es más ancha que la pantalla (hanzi + pinyin +
   significado + 5 píldoras de 66-70px). En vez de scroll lateral, la fila se
   parte en dos renglones: el término arriba y las píldoras abajo, a lo ancho.
   El !important es necesario porque la rejilla de píldoras viene con estilos
   en línea desde el render. */
@media (max-width: 640px) {
  .mazo-term-row { flex-wrap: wrap; row-gap: 4px; }
  .mazo-term-row > span[style*="grid-template-columns"] {
    grid-template-columns: repeat(5, minmax(0, 1fr)) !important;
    width: 100%;
  }
  .mazo-term-row .mazo-term-status {
    font-size: 9.5px; padding: 2px 3px;
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  }
}

/* ============================================================
   FLASHCARD - Estilos del modal y cartas (prefijo fc-*)
   ============================================================ */

/* Notas de recordatorio en el reverso de la tarjeta: la oficial (del banco)
   con filo de acento, la personal en cursiva. Discretas: son apunte, no pista
   protagonista. */
.fc-card-nota {
  margin-top: 10px; display: flex; flex-direction: column; gap: 4px;
  font-size: 13px; max-width: 340px; margin-left: auto; margin-right: auto;
}
.fc-card-nota .fc-nota-oficial {
  color: var(--text-secondary); text-align: left;
  border-left: 3px solid var(--accent, #aa0504); padding-left: 8px;
}
.fc-card-nota .fc-nota-propia {
  color: var(--text-secondary); font-style: italic;
}

.fc-modal {
  position: fixed; inset: 0; z-index: 10000;
  background: rgba(0,0,0,0.6); backdrop-filter: blur(4px);
  display: none; align-items: center; justify-content: center;
}
.fc-modal.active {
  display: flex;
}
.fc-modal-content {
  background: var(--bg-primary);
  border-radius: 16px; padding: 24px;
  width: 90%; max-width: min(700px, 95vw);
  max-height: 90vh; overflow-y: auto; overflow-x: hidden;
  overscroll-behavior: contain;
  position: relative;
  /* En escritorio (≥1024px) damos hasta 900px para que los botones de tono
     no queden cramped y reconocimiento/pinyin/resumen respiren más. */
}
@media (min-width: 1024px) {
  .fc-modal-content { max-width: min(900px, 95vw); }
}

body.fc-modal-open {
  overflow: hidden;
}
.fc-config-content {
  background: var(--bg-primary);
  border-radius: 16px; padding: 24px;
  width: 90%; max-width: 420px;
  max-height: 90vh; overflow-y: auto;
  /* Solo scroll vertical: en táctil, arrastrar los sliders no debe paneár el
     modal hacia los lados (pan-y) y nada puede desbordar en horizontal. */
  overflow-x: hidden;
  touch-action: pan-y;
  overscroll-behavior: contain;
}
/* Los sliders horizontales del modo mixto: el arrastre lateral mueve el thumb,
   no scrollea el modal. */
.fc-config-content input[type="range"] { touch-action: pan-y; }
/* Visible range sliders for the distribution controls */
input[type="range"].fc-mix-slider,
#fc-mix-nuevo, #fc-mix-aprendiendo, #fc-mix-porDominar, #fc-mix-dominado,
#pdf-mix-nuevo, #pdf-mix-aprendiendo, #pdf-mix-porDominar, #pdf-mix-dominado {
  -webkit-appearance: none;
  appearance: none;
  height: 10px;
  background: rgba(128,128,128,0.25);
  border-radius: 6px;
  outline: none;
  border: 1px solid rgba(128,128,128,0.4);
  cursor: pointer;
}
#fc-mix-nuevo::-webkit-slider-thumb,
#fc-mix-aprendiendo::-webkit-slider-thumb,
#fc-mix-porDominar::-webkit-slider-thumb,
#fc-mix-dominado::-webkit-slider-thumb,
#pdf-mix-nuevo::-webkit-slider-thumb,
#pdf-mix-aprendiendo::-webkit-slider-thumb,
#pdf-mix-porDominar::-webkit-slider-thumb,
#pdf-mix-dominado::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px; height: 20px;
  margin-top: -6px;
  border-radius: 50%;
  background: #fff;
  border: 3px solid #333;
  cursor: grab;
  box-shadow: 0 1px 4px rgba(0,0,0,0.3);
}
#fc-mix-nuevo::-moz-range-thumb,
#fc-mix-aprendiendo::-moz-range-thumb,
#fc-mix-porDominar::-moz-range-thumb,
#fc-mix-dominado::-moz-range-thumb,
#pdf-mix-nuevo::-moz-range-thumb,
#pdf-mix-aprendiendo::-moz-range-thumb,
#pdf-mix-porDominar::-moz-range-thumb,
#pdf-mix-dominado::-moz-range-thumb {
  width: 20px; height: 20px;
  border-radius: 50%;
  background: #fff;
  border: 3px solid #333;
  cursor: grab;
  box-shadow: 0 1px 4px rgba(0,0,0,0.3);
}
#fc-mix-nuevo::-webkit-slider-thumb,  #pdf-mix-nuevo::-webkit-slider-thumb       { border-color: #6366f1; }
#fc-mix-aprendiendo::-webkit-slider-thumb, #pdf-mix-aprendiendo::-webkit-slider-thumb { border-color: #f59e0b; }
#fc-mix-porDominar::-webkit-slider-thumb,  #pdf-mix-porDominar::-webkit-slider-thumb  { border-color: #2563eb; }
#fc-mix-dominado::-webkit-slider-thumb,    #pdf-mix-dominado::-webkit-slider-thumb    { border-color: #16a34a; }
#fc-mix-nuevo::-moz-range-thumb,  #pdf-mix-nuevo::-moz-range-thumb       { border-color: #6366f1; }
#fc-mix-aprendiendo::-moz-range-thumb, #pdf-mix-aprendiendo::-moz-range-thumb { border-color: #f59e0b; }
#fc-mix-porDominar::-moz-range-thumb,  #pdf-mix-porDominar::-moz-range-thumb  { border-color: #2563eb; }
#fc-mix-dominado::-moz-range-thumb,    #pdf-mix-dominado::-moz-range-thumb    { border-color: #16a34a; }

/* Mixed-mode exercise sliders + frescura: same visible track + colored-border thumb */
#fc-ex-recognition, #fc-ex-tones, #fc-ex-pinyin, #fc-fresh-slider {
  -webkit-appearance: none;
  appearance: none;
  height: 10px;
  background: rgba(128,128,128,0.25);
  border-radius: 6px;
  outline: none;
  border: 1px solid rgba(128,128,128,0.4);
  cursor: pointer;
}
#fc-ex-recognition::-webkit-slider-thumb,
#fc-ex-tones::-webkit-slider-thumb,
#fc-ex-pinyin::-webkit-slider-thumb,
#fc-fresh-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px; height: 20px;
  margin-top: -6px;
  border-radius: 50%;
  background: #fff;
  border: 3px solid #333;
  cursor: grab;
  box-shadow: 0 1px 4px rgba(0,0,0,0.3);
}
#fc-ex-recognition::-moz-range-thumb,
#fc-ex-tones::-moz-range-thumb,
#fc-ex-pinyin::-moz-range-thumb,
#fc-fresh-slider::-moz-range-thumb {
  width: 20px; height: 20px;
  border-radius: 50%;
  background: #fff;
  border: 3px solid #333;
  cursor: grab;
  box-shadow: 0 1px 4px rgba(0,0,0,0.3);
}
#fc-ex-recognition::-webkit-slider-thumb { border-color: #0ea5e9; }
#fc-ex-tones::-webkit-slider-thumb       { border-color: #f97316; }
#fc-ex-pinyin::-webkit-slider-thumb      { border-color: #8b5cf6; }
#fc-fresh-slider::-webkit-slider-thumb   { border-color: #10b981; }
#fc-ex-recognition::-moz-range-thumb     { border-color: #0ea5e9; }
#fc-ex-tones::-moz-range-thumb           { border-color: #f97316; }
#fc-ex-pinyin::-moz-range-thumb          { border-color: #8b5cf6; }
#fc-fresh-slider::-moz-range-thumb       { border-color: #10b981; }
.fc-config-grid > * { display: block; }
@media (min-width: 900px) {
  .fc-config-content { max-width: 820px; }
  .fc-config-grid {
    columns: 2;
    column-gap: 24px;
  }
  .fc-config-grid > * {
    break-inside: avoid;
    page-break-inside: avoid;
  }
}

.fc-header {
  display: flex; align-items: center; gap: 12px; margin-bottom: 20px;
}
.fc-btn-close {
  background: none; border: none; font-size: 28px;
  color: var(--text-secondary); cursor: pointer; padding: 0; line-height: 1;
}
.fc-btn-close:hover { color: var(--text-primary); }

.fc-progress { flex: 1; }
.fc-progress-text { font-size: 14px; color: var(--text-secondary); margin-bottom: 4px; display: block; }
.fc-progress-bar {
  width: 100%; height: 6px; background: var(--bg-secondary);
  border-radius: 3px; overflow: hidden;
}
.fc-progress-fill {
  height: 100%; background: var(--primary);
  border-radius: 3px; transition: width 0.3s ease;
}

.fc-btn-undo {
  background: none; border: none; cursor: pointer;
  color: var(--text-secondary); padding: 6px;
  border-radius: 6px; display: flex;
}
.fc-btn-undo:hover { background: var(--bg-secondary); color: var(--primary); }
#fc-btn-audio.audio-repeat {
  background: var(--accent, #90100f);
  color: white;
}

/* Card flip */
.fc-card-container {
  perspective: 1000px; margin: 20px 0;
  min-height: 250px; cursor: pointer;
}
.fc-card {
  width: 100%; min-height: 250px; position: relative;
  transform-style: preserve-3d; transition: transform 0.5s ease;
  border-radius: 16px;
}
.fc-card.flipped { transform: rotateY(180deg); }

.fc-card-front, .fc-card-back {
  position: absolute; inset: 0;
  backface-visibility: hidden;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  padding: 30px 20px;
  background: var(--bg-secondary);
  border: 2px solid var(--border-color);
  border-radius: 16px;
  min-height: 250px;
}
.fc-card-back { transform: rotateY(180deg); }

.fc-card-main {
  font-size: 42px; font-weight: 700;
  color: var(--text-primary); text-align: center;
  line-height: 1.2; margin-bottom: 8px;
  /* Moldes/estructuras largos (去...的路上) ajustan línea en vez de salirse. */
  max-width: 100%; overflow-wrap: anywhere;
}
.fc-card-sub {
  font-size: 18px; color: var(--text-secondary); text-align: center;
}
.fc-card-extra {
  font-size: 16px; color: var(--text-tertiary, var(--text-secondary));
  text-align: center; margin-top: 8px;
}

/* Pinyin mode prompt */
.fc-pinyin-hanzi { font-size: 42px; font-weight: 700; cursor: pointer; }
.fc-pinyin-hint  { font-size: 16px; color: var(--text-secondary); }

/* Tone mode: character inside the tone-inputs area */
.fc-tone-char { font-size: 38px; }

/* Post-answer result: hanzi */
.fc-tone-result-hanzi { font-size: 42px; font-weight: 700; }

/* Rating buttons */
.fc-ratings {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 8px; margin-top: 16px;
}
.fc-rating-btn {
  display: flex; flex-direction: column; align-items: center;
  padding: 12px 8px; border-radius: 10px;
  border: 2px solid var(--border-color);
  background: var(--bg-secondary); cursor: pointer;
  transition: all 0.2s;
}
.fc-rating-btn:hover { transform: translateY(-2px); }

/* Icono central (loop en "De nuevo", caritas en el resto). Toma el color de su
   botón vía currentColor. */
.fc-rating-icon { display: flex; align-items: center; justify-content: center; margin-bottom: 6px; }
.fc-rating-icon svg { width: 28px; height: 28px; }
.fc-rating-label { font-size: 13px; font-weight: 600; }
.fc-rating-interval { font-size: 11px; color: var(--text-secondary); margin-top: 2px; }

.fc-rating-again { border-color: #ef4444; }
.fc-rating-again:hover { background: #fef2f2; }
.fc-rating-again .fc-rating-label,
.fc-rating-again .fc-rating-icon { color: #ef4444; }

.fc-rating-hard { border-color: #f59e0b; }
.fc-rating-hard:hover { background: #fffbeb; }
.fc-rating-hard .fc-rating-label,
.fc-rating-hard .fc-rating-icon { color: #f59e0b; }

.fc-rating-good { border-color: #22c55e; }
.fc-rating-good:hover { background: #f0fdf4; }
.fc-rating-good .fc-rating-label,
.fc-rating-good .fc-rating-icon { color: #22c55e; }

.fc-rating-easy { border-color: #3b82f6; }
.fc-rating-easy:hover { background: #eff6ff; }
.fc-rating-easy .fc-rating-label,
.fc-rating-easy .fc-rating-icon { color: #3b82f6; }

/* Marca "a mi hoja de escritura" — chip discreto bajo la calificación. No
   compite con los 4 botones de rating: es una decisión aparte y opcional. */
.fc-hoja-btn {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 7px 14px; border-radius: 999px;
  border: 1px solid var(--border-color);
  background: var(--bg-secondary); color: var(--text-secondary);
  font-size: 13px; font-weight: 600; cursor: pointer;
  transition: all 0.15s;
}
.fc-hoja-btn:hover { color: var(--text-primary); border-color: var(--text-secondary); }
.fc-hoja-btn:disabled { opacity: 0.55; cursor: default; }
.fc-hoja-btn.marcada {
  background: #eff6ff; border-color: #3b82f6; color: #2563eb;
}
[data-theme="dark"] .fc-hoja-btn.marcada { background: rgba(59, 130, 246, 0.16); }

/* Summary */
.fc-summary { text-align: center; padding: 20px 0; overflow-x: hidden; }
.fc-summary h2 { margin: 0 0 16px; }

.fc-config-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 16px; gap: 12px;
}

.fc-summary-top-bar {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 16px; gap: 12px;
}
/* Hide the top close button on desktop — not needed there */
.fc-summary-close-top { display: none; }
.fc-summary-stats-wrap { display: flex; flex-direction: column; gap: 16px; }

/* Veredicto al terminar la ronda ("¿ya terminé por hoy?") */
.fc-veredicto {
  border-radius: 12px;
  padding: 14px 16px;
  text-align: center;
}
.fc-veredicto:empty { display: none; }
.fc-veredicto-ok {
  background: rgba(22, 163, 74, 0.12);
  border: 1px solid rgba(22, 163, 74, 0.35);
}
.fc-veredicto-info {
  background: rgba(99, 102, 241, 0.10);
  border: 1px solid rgba(99, 102, 241, 0.35);
}
.fc-veredicto-titulo { font-size: 16px; font-weight: 700; margin-bottom: 4px; }
.fc-veredicto-detalle { font-size: 13px; color: var(--text-secondary); line-height: 1.45; }

/* Hero summary stats */
.fc-summary-hero {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 16px 24px;
  margin-bottom: 4px;
}
.fc-hero-stat {
  display: flex; flex-direction: column; align-items: center; gap: 2px;
}
.fc-hero-main .fc-hero-num { font-size: 32px; }
.fc-hero-num { font-size: 24px; font-weight: 700; line-height: 1.1; }
.fc-hero-label { font-size: 12px; color: var(--text-secondary); }
.fc-color-up { color: #22c55e; }
.fc-color-level { color: #8b5cf6; }
.fc-color-retry { color: #ef4444; }
.fc-color-streak { color: #f59e0b; }

/* Term detail list */
.fc-term-list {
  max-height: 45vh; overflow-y: auto; text-align: left;
  display: flex; flex-direction: column; gap: 6px;
  padding: 4px 0;
}
.fc-term-row {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 12px; border-radius: 10px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
}
.fc-term-hanzi {
  font-size: 26px; font-weight: 700; min-width: 44px;
  text-align: center; flex-shrink: 0;
}
.fc-term-info { flex: 1; min-width: 0; }
.fc-term-meaning {
  font-size: 13px; color: var(--text-primary);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  margin-bottom: 3px;
}
.fc-term-outcome {
  font-size: 12px; font-weight: 600; margin-bottom: 2px;
}
.fc-outcome-levelup { color: #8b5cf6; }
.fc-outcome-reinforced { color: #22c55e; }
.fc-outcome-retry { color: #ef4444; }

/* Mastered celebration row */
.fc-row-mastered {
  border: 2px solid #d4a017;
  background: linear-gradient(135deg, rgba(212,160,23,0.08), rgba(212,160,23,0.02));
}
.fc-outcome-mastered {
  font-size: 14px; font-weight: 800; margin-bottom: 2px;
  color: #d4a017;
  letter-spacing: 0.3px;
}
.fc-interval {
  font-size: 11px; color: var(--text-secondary); display: block;
}
.fc-interval-up { color: #22c55e; }
.fc-interval-delta { font-size: 10px; opacity: 0.7; }
.fc-exercise-tag {
  font-size: 10px; color: var(--text-secondary);
  background: var(--bg-tertiary, var(--bg-secondary));
  padding: 2px 8px; border-radius: 6px;
  flex-shrink: 0; white-space: nowrap;
}

/* === Expanded summary (filters, metrics, trend, focus, detail modal) === */

/* Cutoff banner (was inline before) */
.fc-summary-timer-banner {
  margin: 14px 0; padding: 10px 14px; border-radius: 8px;
  background: rgba(251,146,60,0.12); border: 1px solid rgba(251,146,60,0.4);
  color: var(--text-primary, #f3f4f6); font-size: 13px;
}

/* Hero chips are now buttons (clickable filters) */
.fc-summary-hero .fc-hero-stat {
  background: transparent; border: 1px solid transparent;
  border-radius: 10px; padding: 6px 10px; cursor: pointer;
  transition: background 0.15s, border-color 0.15s, transform 0.1s;
  font-family: inherit; color: inherit;
}
.fc-summary-hero .fc-hero-stat:hover { background: var(--bg-secondary); }
.fc-summary-hero .fc-hero-stat.active {
  background: var(--bg-secondary); border-color: var(--primary, #6366f1);
}
.fc-summary-hero .fc-hero-stat.fc-hero-static { cursor: default; }
.fc-summary-hero .fc-hero-stat.fc-hero-static:hover { background: transparent; }
.fc-color-mastered .fc-hero-num { color: #d4a017; }
.fc-color-skipped .fc-hero-num { color: #6b7280; }

/* Secondary metrics row (tiempo, mediana, memoria ganada, etc.) */
.fc-summary-meta {
  display: flex; flex-wrap: wrap; justify-content: center;
  gap: 6px 10px; margin: 4px 0 10px;
}
.fc-meta-item {
  display: flex; flex-direction: column; align-items: center;
  padding: 6px 12px; border-radius: 8px;
  background: var(--bg-secondary); border: 1px solid var(--border-color);
  min-width: 88px;
}
.fc-meta-label { font-size: 10px; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.3px; }
.fc-meta-val { font-size: 15px; font-weight: 700; color: var(--text-primary); }
.fc-meta-highlight { background: linear-gradient(135deg, rgba(34,197,94,0.12), rgba(34,197,94,0.04)); border-color: rgba(34,197,94,0.4); }
.fc-meta-highlight .fc-meta-val { color: #22c55e; }

/* Track / lote retention pills */
.fc-summary-breakdown { margin: 6px 0 10px; }
.fc-breakdown-title {
  font-size: 11px; color: var(--text-secondary);
  text-transform: uppercase; letter-spacing: 0.4px;
  text-align: center; margin-bottom: 4px;
}
.fc-summary-tracks {
  display: flex; flex-wrap: wrap; justify-content: center;
  gap: 6px; margin: 0;
}
.fc-track-pill {
  display: inline-flex; align-items: baseline; gap: 6px;
  padding: 4px 10px; border-radius: 999px;
  background: var(--bg-secondary); border: 1px solid var(--border-color);
  font-size: 12px; color: var(--text-primary);
}
.fc-track-name { font-weight: 600; }
.fc-track-pct { color: var(--primary, #6366f1); font-weight: 700; }
.fc-track-frac { color: var(--text-secondary); font-size: 11px; }

/* Exercise filter chips (mixed mode only) */
.fc-exercise-filter {
  display: flex; flex-wrap: wrap; justify-content: center; align-items: center;
  gap: 6px; margin: 6px 0 8px;
}
.fc-filter-lbl { font-size: 12px; color: var(--text-secondary); margin-right: 4px; }
.fc-ex-chip {
  padding: 4px 12px; border-radius: 999px; font-size: 12px;
  border: 1px solid var(--border-color); background: var(--bg-secondary);
  color: var(--text-primary); cursor: pointer; font-family: inherit;
  transition: all 0.15s;
  display: inline-flex; align-items: center; gap: 5px;
}
.fc-ex-chip svg { flex-shrink: 0; }
.fc-ex-chip:hover { border-color: var(--primary, #6366f1); }
.fc-ex-chip.active { background: var(--primary, #6366f1); color: white; border-color: var(--primary, #6366f1); }
/* Variante icon-only: el nombre vive en title/aria-label */
.fc-ex-chip-icon { padding: 6px 10px; min-width: 36px; justify-content: center; }
.fc-ex-chip-icon svg { width: 16px; height: 16px; }
/* Oído rows: ícono en vez de hanzi, sin click handler */
.fc-row-oido { cursor: default; }
.fc-row-oido:hover { border-color: var(--border-color); }
.fc-row-oido .fc-term-hanzi { color: var(--text-secondary); display: flex; align-items: center; justify-content: center; }

/* Term rows: clickable, hoverable */
.fc-term-row {
  cursor: pointer; transition: border-color 0.15s, background 0.15s;
}
.fc-term-row:hover { border-color: var(--primary, #6366f1); }
.fc-term-row:focus-visible { outline: 2px solid var(--primary, #6366f1); outline-offset: 2px; }
.fc-outcome-skipped { color: #6b7280; }

/* Comparison vs previous session */
.fc-summary-comparison {
  display: flex; flex-wrap: wrap; justify-content: center; align-items: center;
  gap: 6px; margin: 4px 0 8px; min-height: 28px;
}
.fc-cmp-title { font-size: 12px; color: var(--text-secondary); margin-right: 4px; }
.fc-cmp-loading, .fc-cmp-empty { font-size: 12px; color: var(--text-secondary); font-style: italic; }
.fc-cmp-pill {
  padding: 3px 10px; border-radius: 999px; font-size: 11px;
  background: var(--bg-secondary); border: 1px solid var(--border-color);
  color: var(--text-primary);
}
.fc-cmp-pill.fc-cmp-up { color: #22c55e; border-color: rgba(34,197,94,0.4); }
.fc-cmp-pill.fc-cmp-down { color: #ef4444; border-color: rgba(239,68,68,0.4); }

/* Collapsible sections (Tendencia, Foco) */
.fc-summary-section { margin-top: 12px; text-align: left; }
.fc-section-toggle {
  width: 100%; display: flex; align-items: center; gap: 8px;
  padding: 8px 12px; border-radius: 8px;
  background: var(--bg-secondary); border: 1px solid var(--border-color);
  color: var(--text-primary); font-size: 13px; font-weight: 600;
  cursor: pointer; font-family: inherit; text-align: left;
}
.fc-section-toggle:hover { border-color: var(--primary, #6366f1); }
.fc-section-arrow { font-size: 10px; color: var(--text-secondary); width: 12px; }
.fc-section-body { padding: 10px 12px 4px; font-size: 12px; }

/* Trend section */
.fc-trend-row {
  display: flex; align-items: center; gap: 10px;
  padding: 4px 0;
}
.fc-trend-lbl { font-size: 12px; color: var(--text-secondary); flex: 0 0 140px; }
.fc-trend-current, .fc-trend-val { font-size: 13px; font-weight: 600; color: var(--text-primary); }
.fc-sparkline {
  flex: 0 0 auto;
  fill: none; stroke: var(--primary, #6366f1); stroke-width: 1.5;
  stroke-linecap: round; stroke-linejoin: round;
}
.fc-sparkline .fc-spark-dots { fill: var(--primary, #6366f1); stroke: none; }

/* Focus section */
.fc-focus-due {
  display: flex; flex-wrap: wrap; align-items: center; gap: 6px;
  padding: 4px 0 8px;
}
.fc-focus-lbl { font-size: 12px; color: var(--text-secondary); margin-right: 4px; }
.fc-focus-pill {
  padding: 3px 10px; border-radius: 999px; font-size: 11px;
  background: var(--bg-secondary); border: 1px solid var(--border-color);
  color: var(--text-primary);
}
.fc-focus-pill.fc-cmp-down { color: #ef4444; border-color: rgba(239,68,68,0.4); }
.fc-focus-stubborn { padding-top: 4px; }
.fc-focus-list { display: flex; flex-direction: column; gap: 4px; margin-top: 6px; }
.fc-focus-card {
  display: flex; align-items: center; gap: 10px;
  padding: 6px 10px; border-radius: 8px;
  background: var(--bg-secondary); border: 1px solid var(--border-color);
  font-size: 12px;
}
.fc-focus-hanzi { font-size: 18px; font-weight: 700; min-width: 32px; }
.fc-focus-meaning { flex: 1; min-width: 0; color: var(--text-primary); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.fc-focus-meta { font-size: 11px; color: var(--text-secondary); flex-shrink: 0; }

/* Per-card detail modal (option D) */
.fc-card-detail-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.7); backdrop-filter: blur(6px);
  z-index: 10001;
  display: none; align-items: center; justify-content: center;
  padding: 20px;
}
.fc-card-detail-overlay.open { display: flex; }
.fc-card-detail-modal {
  position: relative;
  background: var(--bg-primary);
  border-radius: 14px; padding: 22px;
  width: 100%; max-width: 480px;
  max-height: 88vh; overflow-y: auto;
  box-shadow: 0 18px 60px rgba(0,0,0,0.5);
  text-align: left;
}
.fc-card-detail-close {
  position: absolute; top: 10px; right: 14px;
  background: none; border: none; cursor: pointer;
  font-size: 26px; line-height: 1; color: var(--text-secondary);
  padding: 4px 8px; border-radius: 6px;
}
.fc-card-detail-close:hover { background: var(--bg-secondary); color: var(--text-primary); }

.fc-card-detail-head {
  display: flex; align-items: center; gap: 14px;
  margin-bottom: 16px; padding-bottom: 12px;
  border-bottom: 1px solid var(--border-color);
}
.fc-card-detail-hanzi { font-size: 42px; font-weight: 700; line-height: 1; }
.fc-card-detail-meta { display: flex; flex-direction: column; gap: 2px; flex: 1; min-width: 0; }
.fc-card-detail-pinyin { font-size: 13px; color: var(--text-secondary); font-style: italic; }
.fc-card-detail-esp { font-size: 14px; color: var(--text-primary); font-weight: 500; }
.fc-card-detail-track {
  display: inline-block; align-self: flex-start; margin-top: 4px;
  padding: 2px 8px; border-radius: 6px;
  background: var(--bg-secondary); border: 1px solid var(--border-color);
  font-size: 10px; color: var(--text-secondary);
}

.fc-card-detail-section { margin-bottom: 14px; }
.fc-card-detail-section-title {
  font-size: 11px; font-weight: 700; text-transform: uppercase;
  color: var(--text-secondary); letter-spacing: 0.5px; margin-bottom: 6px;
}
.fc-card-detail-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 8px 14px;
}
.fc-card-detail-grid > div {
  display: flex; flex-direction: column; gap: 2px;
  padding: 6px 8px; border-radius: 6px; background: var(--bg-secondary);
}
.fc-cd-lbl { font-size: 10px; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.3px; }
.fc-cd-val { font-size: 13px; color: var(--text-primary); }
.fc-cd-val strong { color: var(--text-primary); }
.fc-cd-delta { font-size: 11px; color: #22c55e; margin-left: 4px; }

.fc-card-detail-history { display: flex; flex-direction: column; gap: 4px; }
.fc-cd-hist-row {
  display: grid; grid-template-columns: 1.4fr 0.8fr 0.8fr 0.6fr;
  gap: 8px; align-items: center;
  padding: 5px 8px; border-radius: 6px;
  background: var(--bg-secondary); font-size: 11px;
}
.fc-cd-hist-date { color: var(--text-primary); }
.fc-cd-hist-track { color: var(--text-secondary); font-size: 10px; }
.fc-cd-hist-fb { font-weight: 600; }
.fc-cd-fb-again { color: #ef4444; }
.fc-cd-fb-hard { color: #f59e0b; }
.fc-cd-fb-good { color: #22c55e; }
.fc-cd-fb-easy { color: #3b82f6; }
.fc-cd-hist-ms { color: var(--text-secondary); text-align: right; font-size: 10px; }

/* Info "?" icon + tooltip — hover (desktop) and click (mobile) */
.fc-info {
  display: inline-flex; align-items: center; justify-content: center;
  width: 14px; height: 14px; margin-left: 4px; padding: 0;
  border-radius: 50%; border: 1px solid var(--text-secondary);
  background: transparent; color: var(--text-secondary);
  font-size: 9px; font-weight: 700; line-height: 1;
  cursor: pointer; font-family: inherit; vertical-align: middle;
  position: relative; flex-shrink: 0;
}
.fc-info:hover { color: var(--primary, #6366f1); border-color: var(--primary, #6366f1); }
.fc-info::after {
  content: attr(data-tip);
  position: absolute; left: 50%; transform: translateX(-50%);
  bottom: calc(100% + 8px);
  width: max-content; max-width: 240px;
  padding: 8px 10px; border-radius: 8px;
  background: #111827; color: #f3f4f6;
  font-size: 11px; font-weight: 400; line-height: 1.4; text-align: left;
  white-space: normal;
  box-shadow: 0 6px 20px rgba(0,0,0,0.35);
  opacity: 0; pointer-events: none; transition: opacity 0.12s;
  z-index: 10002;
}
.fc-info::before {
  content: ''; position: absolute; left: 50%; transform: translateX(-50%);
  bottom: calc(100% + 2px);
  border: 5px solid transparent; border-top-color: #111827;
  opacity: 0; pointer-events: none; transition: opacity 0.12s;
  z-index: 10002;
}
.fc-info:hover::after, .fc-info:hover::before,
.fc-info.shown::after, .fc-info.shown::before {
  opacity: 1;
}
[data-theme="light"] .fc-info::after { background: #1f2937; }

/* Mobile tweaks for detail modal */
@media (max-width: 520px) {
  .fc-card-detail-grid { grid-template-columns: 1fr; }
  .fc-card-detail-hanzi { font-size: 34px; }
}

/* Dark mode overrides */
[data-theme="dark"] .fc-rating-again:hover { background: rgba(239,68,68,0.1); }
[data-theme="dark"] .fc-rating-hard:hover { background: rgba(245,158,11,0.1); }
[data-theme="dark"] .fc-rating-good:hover { background: rgba(34,197,94,0.1); }
[data-theme="dark"] .fc-rating-easy:hover { background: rgba(59,130,246,0.1); }
[data-theme="dark"] .mazo-term-status.mastered { background: rgba(22,163,74,0.15); }
[data-theme="dark"] .mazo-term-status.learning { background: rgba(217,119,6,0.15); }
[data-theme="dark"] .mazo-term-status.new { background: rgba(79,70,229,0.15); }

/* Priority list (drag to reorder) */
.mazo-priority-list {
  display: flex; flex-direction: column; gap: 4px;
  max-height: 250px; overflow-y: auto;
}
.mazo-lotes-sort {
  display: flex; align-items: center; gap: 8px;
  margin: 6px 0 8px;
}
.mazo-lotes-sort-label {
  font-size: 12px; opacity: 0.75;
}
.mazo-lotes-sort-select {
  flex: 1; max-width: 240px; padding: 4px 8px; font-size: 12px;
}
.mazo-priority-item {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 10px; border-radius: 8px;
  background: var(--bg-secondary); border: 1px solid var(--border-color);
  cursor: grab; user-select: none; font-size: 14px;
}
.mazo-priority-item:active { cursor: grabbing; }
.mazo-priority-item.dragging { opacity: 0.4; }
.mazo-priority-item .mazo-priority-handle {
  color: var(--text-secondary); font-size: 16px; line-height: 1;
}
.mazo-priority-item .mazo-priority-num {
  width: 20px; height: 20px; border-radius: 50%;
  background: var(--primary); color: white;
  display: flex; align-items: center; justify-content: center;
  font-size: 11px; font-weight: 700; flex-shrink: 0;
}
.mazo-priority-item label {
  display: flex; align-items: center; gap: 6px;
  flex: 1; cursor: pointer; font-size: 14px;
}
.mazo-priority-item .mazo-priority-count {
  font-size: 12px; color: var(--text-secondary); margin-left: auto;
}

/* Tone pad — layout adaptativo por ancho de pantalla.
   - Celular (default): 2 columnas × 3 filas, angosto y vertical.
   - Tableta (≥601px): 3 × 2, aprovecha más ancho sin botones gigantes.
   - Escritorio/landscape ancho (≥1024px): 6 × 1, una sola fila horizontal.
   Los botones conservan su altura (95px en celular vía media query); en
   pantallas grandes definimos su altura aquí para que no se estiren. */
.fc-tone-grid-3x2 {
  display: grid; grid-template-columns: 1fr 1fr; gap: 8px;
  max-width: 280px; margin: 0 auto;
}
@media (min-width: 601px) {
  .fc-tone-grid-3x2 {
    grid-template-columns: repeat(3, 1fr);
    max-width: 720px; gap: 14px;
  }
}
.fc-tone-btn {
  padding: 16px; border-radius: 12px; font-size: 24px; font-weight: 700;
  border: 2px solid var(--border-color); background: var(--bg-secondary);
  color: var(--text-primary); cursor: pointer; transition: all 0.15s;
  display: flex; align-items: center; justify-content: center; gap: 4px;
  -webkit-appearance: none; appearance: none;
  /* Sin esto, tocar dos veces el mismo tono seguido (p.ej. una palabra con dos
     tonos iguales) dispara el doble-tap-zoom del navegador en celular. */
  touch-action: manipulation;
}
.fc-tone-btn:hover { border-color: var(--primary); transform: scale(1.05); }
.fc-tone-btn:active { transform: scale(0.95); }
.fc-tone-btn:disabled { opacity: 0.4; cursor: default; transform: none; }
.fc-tone-btn:disabled:hover { border-color: var(--border-color); transform: none; }
.fc-tone-btn small { font-size: 14px; opacity: 0.6; }
.fc-tone-del { font-size: 14px; color: #ef4444; border-color: #ef4444; }
/* Shift diacritic marks (tones 1-4) down so they appear centered in the button.
   The modifier letter glyphs sit at the top of the em box by design; this compensates. */
.fc-tone-btn:not([data-tone="5"]) > span { display: block; transform: translateY(42px); }
.fc-tone-result-correct { color: #16a34a; font-weight: 600; }
.fc-tone-result-wrong { color: #ef4444; font-weight: 600; }
.fc-tone-result-partial { color: #d97706; font-weight: 600; }
.fc-tone-char { display: inline-block; padding: 2px 6px; border-radius: 4px; margin: 0 2px; }
.fc-tone-char.correct { background: #dcfce7; color: #16a34a; }
.fc-tone-char.wrong { background: #fef2f2; color: #ef4444; }

/* PDF Feedback modal — base sizes */
#pdf-feedback-modal h3 { font-size: 20px; margin-bottom: 8px; }
#pdf-feedback-modal > .fc-config-content > p { font-size: 15px; }

/* PDF Feedback — fixed layout: pinyin + hanzi on top row, Spanish below, buttons below. */
.pdf-fb-item {
  display: flex; flex-direction: column; gap: 8px;
  padding: 12px 0; border-bottom: 1px solid var(--border-color);
}
.pdf-fb-item:last-child { border-bottom: none; }
/* Término al centro, con el hanzi grande justo sobre el botón "Bien" (reporte NSlvyQ). */
.pdf-fb-term {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 3px;
}
.pdf-fb-row1 {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}
.pdf-fb-pinyin {
  font-size: 16px;
  color: var(--text-secondary);
  font-style: italic;
  line-height: 1.3;
}
.pdf-fb-hanzi {
  font-size: 36px;
  font-weight: 700;
  cursor: pointer;
  color: var(--text-primary);
  line-height: 1.2;
}
.pdf-fb-esp {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.3;
}
.pdf-fb-btns { display: flex; gap: 6px; flex-wrap: wrap; }
.pdf-fb-btn {
  padding: 9px 12px; min-height: 44px; border-radius: 6px; font-size: 13px; font-weight: 600;
  border: 2px solid var(--border-color); background: var(--bg-secondary);
  cursor: pointer; transition: all 0.15s; color: var(--text-secondary);
}
.pdf-fb-btn:hover { transform: scale(1.05); }
.pdf-fb-btn.selected { color: white; }
.pdf-fb-btn[data-rating="1"].selected { background: #ef4444; border-color: #ef4444; }
.pdf-fb-btn[data-rating="2"].selected { background: #f59e0b; border-color: #f59e0b; }
.pdf-fb-btn[data-rating="3"].selected { background: #22c55e; border-color: #22c55e; }
.pdf-fb-btn[data-rating="4"].selected { background: #3b82f6; border-color: #3b82f6; }

@media (max-width: 600px) {
  .pdf-fb-hanzi { font-size: 36px; }
  .pdf-fb-pinyin { font-size: 18px; }
  .pdf-fb-esp { font-size: 15px; }
  .pdf-fb-btn { flex: 1; min-height: 52px; font-size: 14px; padding: 10px 6px; }
}

/* Cabecera del modal de calificar la hoja: título + tuerca de ajustes. */
.pdf-fb-cabecera { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.pdf-fb-cabecera h3 { margin-bottom: 8px; }
.pdf-fb-gear, .stroke-anim-ajustes {
  display: inline-flex; align-items: center; justify-content: center;
  width: 38px; height: 38px; padding: 0; border-radius: 10px; flex: none;
  border: 1px solid transparent; background: transparent;
  color: var(--text-secondary); cursor: pointer; transition: color 0.15s, background 0.15s, transform 0.2s;
}
.pdf-fb-gear:hover, .stroke-anim-ajustes:hover { color: var(--text-primary); background: var(--bg-tertiary); }
.pdf-fb-gear[aria-expanded="true"], .stroke-anim-ajustes[aria-expanded="true"] { color: var(--text-primary); background: var(--bg-tertiary); transform: rotate(45deg); }

/* Imprimir / Trazos: icono grande con la palabra debajo. */
.pdf-fb-acciones { display: flex; justify-content: center; gap: 14px; margin-bottom: 12px; }
.pdf-fb-accion {
  display: inline-flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px;
  min-width: 104px; padding: 10px 14px; border-radius: 12px;
  border: 1px solid var(--border-color); background: var(--bg-secondary);
  color: var(--text-primary); font: inherit; font-size: 13px; font-weight: 600; cursor: pointer;
  transition: border-color 0.15s, transform 0.12s;
}
.pdf-fb-accion:hover:not(:disabled) { border-color: #be123c; transform: translateY(-1px); }
.pdf-fb-accion:disabled { opacity: 0.6; cursor: wait; }

/* Chips de "Orden de la lista" (panel de la tuerca). */
.pdf-fb-chips { display: inline-flex; flex-wrap: wrap; gap: 2px; padding: 3px; border-radius: 8px; background: var(--bg-tertiary); }
.pdf-fb-chips button {
  border: none; background: transparent; color: var(--text-primary);
  padding: 6px 12px; border-radius: 6px; font: inherit; font-size: 13px; font-weight: 500; cursor: pointer;
}
.pdf-fb-chips button.activo { background: #be123c; color: #fff; }

/* Cronómetro clicable: el dibujo es el botón (hoja de escritura y trazos animados). */
.pk-cron-icono {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 2px; border: none; border-radius: 50%; background: transparent;
  color: var(--text-primary); cursor: pointer; transition: transform 0.12s, color 0.15s;
}
.pk-cron-icono:hover { transform: scale(1.1); color: #be123c; }
.pk-cron-icono[data-estado="corriendo"] { color: #16a34a; }
.pk-cron-icono[data-estado="pausado"] { color: #d97706; }

/* ==================== STROKE ANIMATION MODAL ==================== */

.stroke-anim-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.78);
  backdrop-filter: blur(6px);
  z-index: 99980; /* por debajo de la queja flotante (99990), los cuadros de la app (100000) y los toasts */
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  animation: strokeAnimFadeIn 0.18s ease-out;
}

@keyframes strokeAnimFadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

body.stroke-anim-open {
  overflow: hidden;
}

.stroke-anim-modal {
  background: var(--bg-primary);
  color: var(--text-primary);
  border-radius: 14px;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
  width: 100%;
  max-width: 1400px;
  max-height: 92vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.stroke-anim-modal.width-wide  { max-width: 1900px; }
.stroke-anim-modal.width-full  { max-width: none; max-height: 100vh; border-radius: 0; }
.stroke-anim-overlay:has(.stroke-anim-modal.width-full) { padding: 0; }

.stroke-anim-loop-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-primary);
  cursor: pointer;
  user-select: none;
  padding: 6px 4px;
}

.stroke-anim-loop-toggle input[type="checkbox"] {
  cursor: pointer;
  width: 16px;
  height: 16px;
  accent-color: var(--accent, #90100f);
}

.stroke-anim-label-sec {
  color: var(--text-secondary, #6b7280);
  font-weight: 400;
}

.stroke-anim-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color, rgba(0, 0, 0, 0.08));
}

.stroke-anim-header h2 {
  margin: 0;
  font-size: 1.2rem;
  font-weight: 600;
}

.stroke-anim-close {
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-size: 28px;
  line-height: 1;
  cursor: pointer;
  padding: 4px 10px;
  border-radius: 6px;
  transition: background 0.15s;
}

.stroke-anim-close:hover {
  background: var(--accent-light, rgba(255, 255, 255, 0.08));
}

.stroke-anim-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: flex-end;
  padding: 14px 20px;
  border-bottom: 1px solid var(--border-color, rgba(0, 0, 0, 0.08));
}

.stroke-anim-control-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stroke-anim-control-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-secondary, #6b7280);
  font-weight: 600;
}

.stroke-anim-segmented {
  display: inline-flex;
  background: var(--bg-tertiary, rgba(0, 0, 0, 0.05));
  border-radius: 8px;
  padding: 3px;
  gap: 2px;
}

.stroke-anim-segmented button {
  background: transparent;
  border: none;
  color: var(--text-primary);
  padding: 6px 12px;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  border-radius: 6px;
  transition: all 0.15s;
}

.stroke-anim-segmented button:hover {
  background: rgba(0, 0, 0, 0.06);
}

[data-theme="dark"] .stroke-anim-segmented button:hover {
  background: rgba(255, 255, 255, 0.08);
}

.stroke-anim-segmented button.active {
  background: var(--accent, #90100f);
  color: white;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.15);
}

.stroke-anim-sort {
  background: var(--bg-tertiary, rgba(0, 0, 0, 0.05));
  color: var(--text-primary);
  border: 1px solid var(--border-color, rgba(0, 0, 0, 0.1));
  border-radius: 8px;
  padding: 7px 10px;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  font-family: inherit;
}

.stroke-anim-play-all {
  margin-left: auto;
  background: var(--accent, #90100f);
  color: white;
  border: none;
  padding: 9px 18px;
  border-radius: 8px;
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.12s, opacity 0.15s;
}

.stroke-anim-play-all:hover:not(:disabled) {
  transform: translateY(-1px);
}

.stroke-anim-play-all:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.stroke-anim-status {
  padding: 8px 20px;
  font-size: 0.82rem;
  color: var(--text-secondary, #6b7280);
  border-bottom: 1px solid var(--border-color, rgba(0, 0, 0, 0.08));
  min-height: 32px;
  display: flex;
  align-items: center;
}

.stroke-anim-grid {
  --stroke-anim-card-size: 110px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(var(--stroke-anim-card-size), 1fr));
  gap: 14px;
  padding: 18px 20px 20px;
  overflow-y: auto;
  align-content: start;
}

.stroke-anim-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 8px 6px;
  border-radius: 10px;
  background: var(--bg-secondary, rgba(0, 0, 0, 0.03));
  border: 1px solid transparent;
  cursor: pointer;
  transition: border-color 0.15s, transform 0.12s;
  user-select: none;
}

.stroke-anim-card:hover:not(.no-data):not(.loading) {
  border-color: var(--accent, #90100f);
  transform: translateY(-2px);
}

.stroke-anim-card.no-data,
.stroke-anim-card.loading {
  cursor: default;
  opacity: 0.7;
}

.stroke-anim-svg-wrapper {
  position: relative;
  width: var(--stroke-anim-card-size);
  height: var(--stroke-anim-card-size);
  display: flex;
  align-items: center;
  justify-content: center;
  background: white;
  border-radius: 8px;
  overflow: hidden;
}

[data-theme="dark"] .stroke-anim-svg-wrapper {
  background: #f7f7f4;
}

.stroke-anim-svg-wrapper svg {
  width: 100%;
  height: 100%;
  display: block;
}

.stroke-anim-replay {
  position: absolute;
  bottom: 4px;
  right: 4px;
  background: rgba(0, 0, 0, 0.6);
  color: white;
  border: none;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  font-size: 11px;
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.15s;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
}

.stroke-anim-card:hover .stroke-anim-replay {
  opacity: 1;
}

.stroke-anim-fallback,
.stroke-anim-loading {
  font-size: calc(var(--stroke-anim-card-size) * 0.55);
  font-weight: 500;
  color: #999;
}

.stroke-anim-loading {
  color: #ccc;
  animation: strokeAnimPulse 1.2s ease-in-out infinite;
}

@keyframes strokeAnimPulse {
  0%, 100% { opacity: 0.4; }
  50%      { opacity: 0.85; }
}

.stroke-anim-label {
  font-size: 0.78rem;
  color: var(--text-secondary, #6b7280);
  text-align: center;
  width: 100%;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  padding: 0 4px;
  line-height: 1.2;
  min-height: 0;
}

.stroke-anim-label-top {
  font-size: 0.72rem;
  color: var(--text-tertiary, #9ca3af);
  margin-bottom: 2px;
}

.stroke-anim-label:empty {
  display: none;
}

/* Cabecera: título + (opcional) nombre de la hoja impresa, para ubicarla en papel. */
.stroke-anim-titulos { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.stroke-anim-subtitulo {
  font-size: 0.85rem; color: var(--text-secondary, #6b7280);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}

/* Barra de uso diario (buscar, bucle, reproducir, cronómetro, ajustes). El
   cintillo de ajustes de abajo arranca plegado: ocupaba un tercio de la pantalla. */
.stroke-anim-barra {
  display: flex; flex-wrap: wrap; gap: 8px 12px; align-items: center;
  padding: 10px 20px;
  border-bottom: 1px solid var(--border-color, rgba(0, 0, 0, 0.08));
}
.stroke-anim-buscar {
  flex: 1 1 200px; min-width: 150px;
  padding: 7px 10px; border-radius: 8px;
  border: 1px solid var(--border-color, rgba(0, 0, 0, 0.1));
  background: var(--bg-tertiary, rgba(0, 0, 0, 0.05));
  color: var(--text-primary);
  font: inherit; font-size: 0.85rem;
}
.stroke-anim-buscar:focus { outline: 2px solid var(--accent, #90100f); outline-offset: 1px; }
.stroke-anim-barra .stroke-anim-play-all { margin-left: 0; }
.stroke-anim-ajustes { margin-left: auto; } /* tuerca: mismo estilo que .pdf-fb-gear */
/* Resaltados en el rojo del sitio: en tema oscuro --accent es un rojo claro
   que se veía naranja (reporte fUSA3i). */
[data-theme="dark"] .stroke-anim-segmented button.active,
[data-theme="dark"] .stroke-anim-play-all { background: #be123c; }
[data-theme="dark"] .stroke-anim-loop-toggle input[type="checkbox"] { accent-color: #be123c; }
.stroke-anim-check { display: inline-flex; align-items: center; gap: 6px; font-size: 0.85rem; cursor: pointer; padding: 7px 0; }
.stroke-anim-check input { width: 16px; height: 16px; accent-color: #be123c; cursor: pointer; }
.stroke-anim-modal.ajustes-ocultos .stroke-anim-controls { display: none; }

/* Todos los selects del modal con el mismo estilo (en modo oscuro salían blancos). */
.stroke-anim-controls select {
  background: var(--bg-tertiary, rgba(0, 0, 0, 0.05));
  color: var(--text-primary);
  border: 1px solid var(--border-color, rgba(0, 0, 0, 0.1));
  border-radius: 8px; padding: 7px 10px;
  font-size: 0.85rem; font-weight: 500; cursor: pointer; font-family: inherit;
}

/* Cronómetro de la hoja dentro del modal. */
.stroke-anim-cron {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 0.85rem; font-variant-numeric: tabular-nums; color: var(--text-primary);
}
.stroke-anim-cron[hidden] { display: none; }
.stroke-anim-cron-clock { font-weight: 700; }

/* Buscador: las tarjetas que no coinciden se ocultan. */
.stroke-anim-card[hidden] { display: none; }

/* Caracteres de un mismo término de varias sílabas: franja del mismo color y
   el carácter de la tarjeta resaltado dentro del término. */
.stroke-anim-card[data-multi="1"] { box-shadow: inset 0 3px 0 var(--term-color, transparent); }
.stroke-anim-char-actual { color: var(--term-color, var(--accent, #90100f)); font-weight: 700; }
/* Trazos a color (ajuste apagable): el carácter se dibuja con el color de su término. */
.stroke-anim-grid.trazos-color .stroke-anim-card[data-multi="1"] svg > g > path { fill: var(--term-color); }
.stroke-anim-grid.trazos-color .stroke-anim-card[data-multi="1"] .anim-stroke { stroke: var(--term-color); }

/* Tamaño del texto de las etiquetas (ajuste "Texto"). */
.stroke-anim-grid { --stroke-anim-label-size: 0.8rem; }
.stroke-anim-label { font-size: var(--stroke-anim-label-size); }
.stroke-anim-label-top { font-size: calc(var(--stroke-anim-label-size) * 0.9); }

@media (max-width: 600px) {
  .stroke-anim-overlay { padding: 0; }
  /* Todo el modal hace scroll: cabecera y ajustes se van hacia arriba y la
     pantalla completa queda para los caracteres. */
  .stroke-anim-modal { max-height: 100vh; height: 100vh; border-radius: 0; overflow-y: auto; display: block; }
  .stroke-anim-header { padding: 10px 12px; position: sticky; top: 0; background: var(--bg-primary); z-index: 2; }
  .stroke-anim-header h2 { font-size: 1rem; }
  .stroke-anim-barra { padding: 8px 12px; gap: 6px 10px; }
  .stroke-anim-buscar { flex-basis: 100%; }
  .stroke-anim-controls { padding: 8px 12px; gap: 8px 12px; }
  .stroke-anim-controls .stroke-anim-control-label { font-size: 0.65rem; }
  .stroke-anim-segmented button { padding: 4px 8px; font-size: 0.78rem; }
  .stroke-anim-grid { padding: 12px; gap: 10px; overflow: visible; }
}

/* Responsive */
@media (max-width: 600px) {
  .fc-modal-content { width: 95%; padding: 16px; }
  .fc-card-main { font-size: 32px; }
  .fc-ratings { grid-template-columns: repeat(2, 1fr); }
  .mazo-stats-grid { grid-template-columns: repeat(2, 1fr); }

  /* Encabezado "Mis mazos" en móvil: apilar título y botones */
  .mazo-header {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
  }
  .mazo-header-actions {
    display: grid !important;
    grid-template-columns: 1fr 1fr;
    gap: 8px !important;
  }
  .mazo-header-actions > #btn-crear-mazo {
    grid-column: 1 / -1;
  }
  .mazo-header-actions > button {
    font-size: 12px !important;
    padding: 8px 10px !important;
    justify-content: center;
    white-space: nowrap;
  }
}

/* Tablet + móvil: botones de estudio y lotes en cuadrícula */
@media (max-width: 1024px) {
  .mazo-study-actions {
    display: grid !important;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }
  /* 5.º botón (Mixto) ocupa todo el ancho si la fila queda impar */
  .mazo-study-actions > button:last-child:nth-child(odd) {
    grid-column: 1 / -1;
  }

  /* En móvil, fija 2 columnas (en vez del auto-fill, que en pantallas angostas
     dejaría una sola). */
  .mazo-lotes-grid {
    grid-template-columns: 1fr 1fr;
  }

  /* Ocultar atajos de teclado en botones de acción (sin sentido en touch) */
  #fc-tone-next small, #fc-tone-override small,
  #fc-pinyin-next small, #fc-pinyin-override small {
    display: none;
  }
}

/* Móvil: ajustes de pantalla completa para estudio y modales */
@media (max-width: 600px) {
  /* Modal de términos: sheet inferior */
  #terms-modal {
    align-items: flex-end;
    padding: 0;
  }
  #terms-modal .fc-config-content {
    width: 100% !important;
    max-width: 100% !important;
    max-height: 92vh !important;
    border-radius: 16px 16px 0 0 !important;
  }

  /* Flashcard: sesión a pantalla completa, contenido y botones grandes */
  #fc-modal {
    align-items: stretch;
    justify-content: stretch;
  }
  .fc-modal-content {
    width: 100% !important;
    max-width: 100% !important;
    /* 100vh en iOS Safari incluye el área detrás de la barra inferior del
       navegador, así que el fondo del modal (botón "Saltar") quedaba tapado.
       dvh = alto del viewport realmente visible; el padding suma el safe-area. */
    min-height: 100vh;
    min-height: 100dvh;
    max-height: 100vh;
    max-height: 100dvh;
    border-radius: 0 !important;
    padding: 10px 14px calc(24px + env(safe-area-inset-bottom, 0px)) !important;
    display: flex !important;
    flex-direction: column !important;
  }
  .fc-card-container {
    flex: 0 0 auto;
    min-height: 220px !important;
    margin: 12px 0 6px !important;
    display: flex;
    align-items: center !important;
    justify-content: center !important;
  }
  .fc-card-main { font-size: 88px !important; line-height: 1.1 !important; }
  .fc-card-main[data-lang="zh"] { font-size: min(88px, calc(76vw / var(--fc-text-len, 1))) !important; }
  /* Español en el frente (esp→hanzi): chico para que no se desborde. El chino
     queda como está; el usuario ya está acostumbrado a leer español más pequeño. */
  .fc-card-front .fc-card-main[data-lang="es"] { font-size: 28px !important; line-height: 1.4 !important; }
  .fc-card-sub  { font-size: 38px !important; }
  .fc-ratings {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 10px !important;
    margin-top: 0 !important;
  }
  .fc-rating-btn {
    min-height: 160px !important;
    border-radius: 14px !important;
    padding: 12px 4px !important;
  }
  .fc-rating-icon { margin-bottom: 12px !important; }
  .fc-rating-icon svg { width: 52px !important; height: 52px !important; }
  .fc-rating-label   { font-size: 20px !important; }
  .fc-rating-interval { font-size: 14px !important; }

  /* Back card: Spanish text smaller, Chinese stays large */
  .fc-card-back .fc-card-main[data-lang="es"] { font-size: 28px !important; line-height: 1.4 !important; }
  .fc-card-back .fc-card-main[data-lang="zh"] { font-size: min(88px, calc(76vw / var(--fc-text-len, 1))) !important; }
  .fc-card-back .fc-card-sub[data-lang="zh"]  { font-size: 72px !important; line-height: 1.1 !important; }

  /* Pinyin mode: pad fills space and centers the character + input */
  #fc-modal #fc-pinyin-pad {
    flex: 1 !important;
    display: flex;
    flex-direction: column !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 16px !important;
  }
  .fc-pinyin-hanzi { font-size: 88px !important; }
  .fc-pinyin-hint  { font-size: 22px !important; }

  /* Tone mode: caracteres chinos grandes SOLO en la fila de respuesta. Antes la
     regla pegaba a todos los .fc-tone-char (misma clase en el resultado), y el
     !important pisaba el font-size inline de las sílabas del resultado,
     inflándolas a 60px y desbordándolas a la derecha en términos largos. */
  #fc-tone-inputs .fc-tone-char { font-size: 60px !important; }

  /* Skip button bigger on mobile */
  #fc-btn-skip {
    min-height: 60px !important;
    font-size: 16px !important;
    padding: 12px 28px !important;
  }

  /* Top-bar control buttons bigger (audio, speed, pause, etc.) */
  #fc-modal .fc-btn-undo {
    min-height: 44px !important;
    min-width: 44px !important;
    padding: 10px !important;
  }
  #fc-modal .fc-btn-undo svg {
    width: 24px !important;
    height: 24px !important;
  }
  #fc-btn-speed { font-size: 14px !important; }

  /* Tone pad: ancho completo, botones grandes */
  .fc-tone-grid-3x2 {
    max-width: 100% !important;
    gap: 10px !important;
  }
  .fc-tone-btn { min-height: 95px !important; font-size: 28px !important; }

  /* Post-answer result: hanzi big, actions bar fixed at bottom */
  .fc-tone-result-hanzi { font-size: 72px !important; }

  #fc-modal .fc-result-actions {
    position: fixed !important;
    bottom: 0 !important;
    left: 0 !important;
    right: 0 !important;
    padding: 12px 16px env(safe-area-inset-bottom, 0px) !important;
    background: var(--bg-primary) !important;
    border-top: 1px solid var(--border-color) !important;
    margin-top: 0 !important;
    z-index: 50 !important;
    gap: 10px !important;
    flex-wrap: nowrap !important;
  }
  #fc-modal .fc-result-actions button {
    min-height: 64px !important;
    font-size: 16px !important;
    flex: 1 !important;
    padding: 10px 8px !important;
  }
  #fc-modal .fc-result-actions button small { display: none !important; }
  /* Add bottom padding to result so content isn't hidden under the fixed bar */
  #fc-tone-result, #fc-pinyin-result {
    padding-bottom: 100px !important;
  }

  /* Summary: show top close button on mobile, bigger bottom one */
  .fc-summary-close-top {
    display: block !important;
    padding: 10px 20px !important;
    font-size: 15px !important;
    flex-shrink: 0;
  }
  #fc-btn-finish {
    width: 100% !important;
    min-height: 60px !important;
    font-size: 17px !important;
    margin-bottom: env(safe-area-inset-bottom, 12px) !important;
  }

  /* Session config modal: bigger fonts on mobile */
  .fc-config-content {
    width: 95% !important;
    max-width: 100% !important;
    max-height: 95vh !important;
    padding: 20px 16px !important;
  }
  .fc-config-content h3 { font-size: 20px !important; }
  .fc-config-content .mazo-label { font-size: 15px !important; }
  .fc-config-content .mazo-select,
  .fc-config-content .mazo-input  { font-size: 16px !important; padding: 10px 12px !important; }
  .fc-config-content .mazo-btn-study,
  .fc-config-content .mazo-btn-secondary { font-size: 16px !important; min-height: 52px !important; }
  .fc-config-content .fc-seg-btn { font-size: 14px !important; padding: 10px !important; }

  /* Details sections (Frescura, Distribución, Ejercicios): bump all inline-sized text */
  .fc-config-content details summary { font-size: 15px !important; }
  .fc-config-content details > div * { font-size: 14px !important; }
  /* The colored label spans (Reconocimiento, Tonos, Pinyin, Nuevo…) */
  .fc-config-content details span[style*="color:"],
  .fc-config-content details span[style*="font-weight:600"] { font-size: 14px !important; }
  /* Availability counts and hint texts */
  .fc-config-content details div[style*="opacity"] { font-size: 13px !important; }
  /* Preset buttons inside details */
  .fc-config-content details .mazo-btn-secondary { font-size: 13px !important; min-height: 40px !important; padding: 8px 12px !important; }
  /* Range slider height — easier to drag on touch */
  .fc-config-content input[type="range"] { height: 24px !important; }
}

/* ============================================================
   MI PROGRESO — estadísticas del propio estudiante
   ============================================================ */
/* Cascarón de la página progreso.html */
.mp-page { max-width: min(1800px, 95vw); margin: 0 auto; padding: 0 10px 48px; box-sizing: border-box; }
.mp-topbar { display: flex; align-items: center; justify-content: space-between; padding: 4px 0 20px; }
.mp-brand { display: inline-flex; align-items: center; gap: 8px; text-decoration: none; color: var(--text-primary); font-weight: 700; font-size: 18px; }
.mp-brand-logo { width: 28px; height: 28px; }
.mp-brand-text .accent, .accent { color: var(--accent); }
.mp-topbar-left { display: inline-flex; align-items: center; gap: 14px; }
.mp-back { display: inline-flex; align-items: center; gap: 6px; text-decoration: none; color: var(--text-secondary); font-size: 14px; font-weight: 600; border: 1px solid var(--border-color); border-radius: 8px; padding: 7px 12px; transition: color .15s ease, background .15s ease, border-color .15s ease; }
.mp-back:hover { color: var(--text-primary); background: var(--bg-tertiary); border-color: var(--text-secondary); }
.mp-back svg { width: 16px; height: 16px; }
.mp-link { color: var(--accent); text-decoration: none; font-weight: 600; }
.mp-link:hover { text-decoration: underline; }

#mi-progreso-root { max-width: 920px; margin: 0 auto; }
.mp-header-row { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.mp-header-row h2 { margin: 0; font-size: 22px; color: var(--text-primary); display: flex; align-items: center; gap: 10px; }
.mp-subtitle { margin: -10px 0 20px; color: var(--text-secondary); font-size: 14px; }
/* Iconos SVG (reemplazan a los emojis) */
.mp-icon { width: 18px; height: 18px; flex-shrink: 0; }
.mp-icon-lg { width: 24px; height: 24px; color: var(--accent); }
.mp-refresh {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--bg-tertiary); color: var(--text-secondary); border: 1px solid var(--border-color);
  border-radius: 8px; padding: 6px 12px; cursor: pointer; font-size: 13px;
}
.mp-refresh:hover { color: var(--text-primary); }
.mp-loading, .mp-empty { color: var(--text-secondary); padding: 24px; text-align: center; }
.mp-empty h2 { color: var(--text-primary); }

.mp-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.mp-card {
  background: var(--bg-secondary); border: 1px solid var(--border-color);
  border-radius: 14px; padding: 18px 20px; box-shadow: 0 1px 3px var(--shadow);
}
.mp-card-title {
  display: flex; align-items: center; gap: 8px;
  font-size: 12px; text-transform: uppercase; letter-spacing: .5px;
  color: var(--text-secondary); font-weight: 700; margin-bottom: 14px;
}
.mp-card-title .mp-icon { color: var(--accent); }

.mp-rachas { display: flex; gap: 10px; }
.mp-racha {
  flex: 1; text-align: center; background: var(--bg-tertiary);
  border-radius: 10px; padding: 14px 8px;
}
.mp-racha-val { display: block; font-size: 30px; font-weight: 800; color: var(--accent); line-height: 1; }
.mp-racha-lbl { display: block; font-size: 11px; color: var(--text-tertiary); margin-top: 6px; text-transform: uppercase; }

.mp-vocab-num { font-size: 30px; font-weight: 800; color: var(--text-primary); }
.mp-vocab-sub { font-size: 15px; color: var(--text-tertiary); font-weight: 500; }
.mp-bar { height: 10px; border-radius: 6px; background: var(--bg-tertiary); overflow: hidden; margin-top: 10px; }
.mp-bar > span { display: block; height: 100%; background: var(--accent); }
.mp-vocab-legend { display: flex; gap: 16px; margin-top: 12px; flex-wrap: wrap; font-size: 13px; color: var(--text-secondary); }
.mp-dot { display: inline-block; width: 10px; height: 10px; border-radius: 3px; margin-right: 6px; vertical-align: middle; }
.mp-dot-dom { background: var(--accent); }
.mp-dot-est { background: #f7a85c; }
.mp-dot-tot { background: var(--text-tertiary); }

.mp-note { font-size: 11px; color: var(--text-tertiary); margin-top: 10px; }
.mp-soon { margin-top: 16px; font-size: 13px; color: var(--text-tertiary); text-align: center; font-style: italic; }

/* Rejilla de tarjetas del dashboard de Mi Progreso (replegables). Plegadas se
   ven como UN solo panel con líneas finas entre celdas (reporte DdINs6, 6-nov-2026):
   el fondo de la rejilla es el color del borde y el hueco de 1px dibuja las
   divisiones. La abierta ocupa toda la fila (vuelve la experiencia ancha). */
.mp-detail-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1px;
  margin-top: 16px;
  background: var(--border-color);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  overflow: hidden;
}
.mp-detail-grid > details.mp-card {
  margin: 0;
  border: 0;
  border-radius: 0;
  box-shadow: none;
  background: var(--bg-secondary);
  padding: 16px 20px;
}
.mp-detail-grid > details.mp-card > summary { display: flex; align-items: center; gap: 8px; min-height: 28px; }
.mp-detail-grid > details.mp-card > summary > :last-child { margin-left: auto; }
.mp-detail-grid > details[open] { grid-column: 1 / -1; }

/* Calendario de actividad (heatmap, estilo GitHub con meses y días) */
.mp-card-wide { margin-top: 16px; }
.mp-hm-scroll { overflow-x: auto; padding-bottom: 6px; }
.mp-heatmap { position: relative; }
.mp-hm-cell { position: absolute; width: 12px; height: 12px; border-radius: 3px; background: var(--bg-tertiary); }
.mp-hm-month { position: absolute; top: 0; font-size: 10px; color: var(--text-tertiary); white-space: nowrap; }
.mp-hm-daylbl { position: absolute; left: 0; width: 18px; text-align: right; font-size: 9px; color: var(--text-tertiary); }
.mp-hm-empty { background: transparent; }
.mp-hm-t0 { background: var(--bg-tertiary); }
.mp-hm-t1 { background: #fcd9b6; }
.mp-hm-t2 { background: #f7a85c; }
.mp-hm-t3 { background: #ef7a1a; }
.mp-hm-t4 { background: #c85a0a; }
.mp-hm-legend { display: flex; align-items: center; justify-content: flex-end; gap: 6px; margin-top: 10px; font-size: 11px; color: var(--text-tertiary); }
.mp-hm-legend .mp-hm-cell { position: static; display: inline-block; }

/* Calendario (izq) + columna de resumen (der) */
.mp-cal-row { display: flex; gap: 22px; align-items: flex-start; flex-wrap: wrap; }
.mp-cal-heatmap { flex: 0 1 auto; min-width: 0; }
.mp-cal-stats {
  flex: 1 1 180px; align-self: stretch;
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; align-content: center;
}
.mp-cal-stat {
  background: var(--bg-tertiary); border-radius: 10px; padding: 12px 14px;
  display: flex; flex-direction: column; gap: 4px;
}
.mp-cal-stat-val { font-size: 24px; font-weight: 800; color: var(--text-primary); line-height: 1; }
.mp-cal-stat-lbl { font-size: 11px; color: var(--text-tertiary); }
@media (max-width: 560px) { .mp-cal-stats { grid-template-columns: 1fr 1fr; } }

/* Tus mazos: lista */
.mp-mazos-empty { color: var(--text-secondary); padding: 18px; text-align: center; font-size: 14px; }
.mp-mazo-item {
  display: flex; align-items: center; gap: 14px; width: 100%; text-align: left;
  background: var(--bg-tertiary); border: 1px solid var(--border-color); border-radius: 12px;
  padding: 14px 16px; margin-bottom: 10px; cursor: pointer; color: var(--text-primary);
  transition: border-color .15s, transform .05s;
}
.mp-mazo-item:hover { border-color: var(--accent); }
.mp-mazo-item:active { transform: scale(0.995); }
.mp-mazo-main { flex: 1 1 auto; min-width: 0; }
.mp-mazo-nombre { font-size: 16px; font-weight: 700; }
.mp-mazo-sub { font-size: 12px; color: var(--text-tertiary); margin-top: 2px; }
.mp-mazo-bar { height: 6px; border-radius: 4px; background: var(--bg-secondary); overflow: hidden; margin-top: 8px; max-width: 320px; }
.mp-mazo-bar > span { display: block; height: 100%; background: var(--accent); }
.mp-mazo-meta { flex: 0 0 auto; text-align: right; }
.mp-mazo-dom { font-size: 13px; font-weight: 600; color: var(--text-secondary); }
.mp-mazo-fecha { font-size: 11px; color: var(--text-tertiary); margin-top: 2px; }
.mp-mazo-item > .mp-icon { color: var(--text-tertiary); flex: 0 0 auto; }

/* Tus mazos: detalle */
.mp-mazo-volver {
  display: inline-flex; align-items: center; gap: 6px; background: transparent; border: none;
  color: var(--text-secondary); cursor: pointer; font-size: 13px; padding: 4px 0; margin-bottom: 12px;
}
.mp-mazo-volver:hover { color: var(--accent); }
.mp-mazo-detalle-head { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.mp-mazo-detalle-head h3 { margin: 0; font-size: 18px; color: var(--text-primary); }
.mp-mazo-resumen { margin-bottom: 16px; grid-template-columns: repeat(5, 1fr); }
@media (max-width: 640px) { .mp-mazo-resumen { grid-template-columns: repeat(2, 1fr); } }

.mp-pistas-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 18px; }
@media (max-width: 640px) { .mp-pistas-grid { grid-template-columns: repeat(2, 1fr); } }
.mp-pista { background: var(--bg-tertiary); border-radius: 10px; padding: 10px 12px; }
.mp-pista-head { display: flex; justify-content: space-between; font-size: 12px; font-weight: 600; color: var(--text-secondary); margin-bottom: 6px; }
.mp-pista-sub { font-size: 10px; color: var(--text-tertiary); margin-top: 4px; }

.mp-subtitulo { font-size: 13px; font-weight: 700; color: var(--text-secondary); margin: 16px 0 10px; display: flex; align-items: center; gap: 8px; }

.mp-term-filtros { display: flex; gap: 10px; margin-bottom: 10px; flex-wrap: wrap; }
.mp-term-buscar, .mp-term-estado {
  padding: 8px 12px; border: 1px solid var(--border-color); border-radius: 8px;
  background: var(--bg-primary); color: var(--text-primary); font-size: 13px;
}
.mp-term-buscar { flex: 1 1 220px; min-width: 0; }
.mp-term-estado { flex: 0 0 auto; cursor: pointer; }

.mp-paginacion { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-top: 12px; flex-wrap: wrap; }
.mp-pag-btn {
  background: var(--bg-tertiary); border: 1px solid var(--border-color); color: var(--text-primary);
  border-radius: 8px; padding: 6px 14px; cursor: pointer; font-size: 13px;
}
.mp-pag-btn:hover:not([disabled]) { border-color: var(--accent); color: var(--accent); }
.mp-pag-btn[disabled] { opacity: .45; cursor: default; }
.mp-pag-info { font-size: 12px; color: var(--text-tertiary); }

.mp-term-list { display: flex; flex-direction: column; gap: 2px; }
.mp-term {
  display: flex; align-items: center; gap: 12px; width: 100%; text-align: left;
  padding: 8px 6px; border: none; border-bottom: 1px solid var(--border-color);
  background: transparent; color: inherit; font: inherit; cursor: pointer; border-radius: 6px;
}
.mp-term:hover { background: var(--bg-tertiary); }
.mp-term:last-child { border-bottom: none; }
.mp-term-hanzi { font-size: 22px; font-weight: 700; min-width: 40px; text-align: center; color: var(--text-primary); }
.mp-term-info { flex: 1 1 auto; min-width: 0; }
.mp-term-pinyin { font-size: 13px; color: var(--text-secondary); }
.mp-term-esp { font-size: 12px; color: var(--text-tertiary); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.mp-term-dots { display: flex; gap: 4px; flex: 0 0 auto; }
.mp-pista-dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }
.mp-term-fecha { font-size: 11px; color: var(--text-tertiary); flex: 0 0 auto; min-width: 78px; text-align: right; }

.mp-sesion-list { display: flex; flex-direction: column; gap: 2px; }
.mp-sesion { display: flex; align-items: center; gap: 12px; padding: 7px 6px; border-bottom: 1px solid var(--border-color); font-size: 12px; }
.mp-sesion:last-child { border-bottom: none; }
.mp-sesion-fecha { color: var(--text-secondary); flex: 0 0 92px; }
.mp-sesion-tipo { color: var(--text-primary); font-weight: 600; flex: 0 0 auto; }
.mp-sesion-meta { color: var(--text-tertiary); margin-left: auto; text-align: right; }

/* Términos difíciles (tarjetas verticales centradas + control de tamaño + buscador) */
.mp-dif-controls { display: flex; gap: 10px; margin-bottom: 12px; align-items: center; flex-wrap: wrap; }
.mp-size-toggle { display: inline-flex; flex: 0 0 auto; border: 1px solid var(--border-color); border-radius: 8px; overflow: hidden; }
.mp-size-toggle button { background: var(--bg-tertiary); border: none; color: var(--text-secondary); cursor: pointer; padding: 4px 12px; font-weight: 800; line-height: 1; font-family: inherit; }
.mp-size-toggle button + button { border-left: 1px solid var(--border-color); }
.mp-size-toggle .mp-size-sm { font-size: 12px; }
.mp-size-toggle .mp-size-md { font-size: 15px; }
.mp-size-toggle .mp-size-lg { font-size: 18px; }
.mp-size-toggle button.active { background: var(--accent); color: #fff; }

.mp-dif-grid { display: grid; gap: 10px; }
.mp-dif-grid.size-sm { grid-template-columns: repeat(auto-fill, minmax(94px, 1fr)); }
.mp-dif-grid.size-md { grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); }
.mp-dif-grid.size-lg { grid-template-columns: repeat(auto-fill, minmax(176px, 1fr)); }
.mp-dif-item {
  display: flex; flex-direction: column; align-items: center; justify-content: flex-start;
  text-align: center; gap: 4px; min-width: 0;
  background: var(--bg-tertiary); border: 1px solid var(--border-color); border-radius: 12px;
  padding: 14px 10px; cursor: pointer; color: var(--text-primary); font: inherit;
}
.mp-dif-item:hover { border-color: var(--accent); }
.mp-dif-hanzi { font-weight: 700; line-height: 1.15; word-break: break-word; max-width: 100%; }
.size-sm .mp-dif-hanzi { font-size: 22px; }
.size-md .mp-dif-hanzi { font-size: 30px; }
.size-lg .mp-dif-hanzi { font-size: 40px; }
.mp-dif-pinyin { font-size: 13px; color: var(--text-secondary); word-break: break-word; max-width: 100%; }
.mp-dif-esp {
  font-size: 12px; color: var(--text-tertiary); max-width: 100%;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}

/* Tus lecturas */
.mp-lect-stats { grid-template-columns: repeat(5, 1fr); margin-bottom: 16px; }
@media (max-width: 560px) { .mp-lect-stats { grid-template-columns: repeat(3, 1fr); } }
.mp-lect-list { display: flex; flex-direction: column; max-height: 420px; overflow-y: auto; }
.mp-lect-row { display: flex; align-items: center; gap: 12px; padding: 9px 6px; border-bottom: 1px solid var(--border-color); font-size: 13px; }
.mp-lect-row:last-child { border-bottom: none; }
.mp-lect-fecha { color: var(--text-secondary); flex: 0 0 88px; }
.mp-lect-titulo { flex: 1 1 auto; min-width: 0; color: var(--text-primary); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.mp-lect-nivel { font-size: 11px; color: var(--text-tertiary); border: 1px solid var(--border-color); border-radius: 4px; padding: 1px 5px; }
.mp-lect-cal { font-size: 11px; padding: 2px 8px; border-radius: 999px; border: 1px solid; font-weight: 600; flex: 0 0 auto; }
.mp-lect-cal-none { color: var(--text-tertiary); border-color: var(--border-color); font-weight: 400; }
.mp-lect-comp { color: var(--text-tertiary); flex: 0 0 auto; min-width: 36px; text-align: right; }
@media (max-width: 560px) { .mp-lect-fecha, .mp-lect-comp { display: none; } }

/* ===== Explorador de vocabulario (.voc-*) ===== */
.voc-tabs { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 12px; }
.voc-tab { background: var(--bg-tertiary); border: 1px solid var(--border-color); color: var(--text-secondary); border-radius: 999px; padding: 5px 14px; font-size: 13px; cursor: pointer; }
.voc-tab:hover { color: var(--text-primary); }
.voc-tab.active { background: var(--accent); color: #fff; border-color: var(--accent); }
.voc-chart-wrap { height: 240px; position: relative; margin-bottom: 16px; }

.voc-planes { background: var(--bg-tertiary); border: 1px solid var(--border-color); border-radius: 10px; padding: 8px 12px; margin-bottom: 14px; }
.voc-planes > summary { cursor: pointer; font-size: 13px; font-weight: 600; color: var(--text-secondary); }
.voc-planes > summary span { color: var(--text-tertiary); font-weight: 400; }
.voc-planes-acciones { display: flex; gap: 8px; margin-top: 10px; }
.voc-planes-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 6px; margin: 10px 0 4px; }
.voc-plan-item { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--text-primary); cursor: pointer; padding: 4px 0; }
.voc-plan-item input { accent-color: var(--accent); width: 16px; height: 16px; cursor: pointer; }
.voc-plan-item > span:first-of-type { flex: 1 1 auto; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.voc-plan-count { color: var(--text-tertiary); font-size: 11px; flex: 0 0 auto; }
.voc-planes-nota { font-size: 11px; color: var(--text-tertiary); margin-top: 6px; }

.voc-stats { display: grid; grid-template-columns: repeat(6, 1fr); gap: 8px; margin-bottom: 16px; }
@media (max-width: 640px) { .voc-stats { grid-template-columns: repeat(3, 1fr); } }
.voc-stat { display: flex; flex-direction: column; align-items: center; gap: 2px; background: var(--bg-tertiary); border: 1px solid var(--border-color); border-radius: 10px; padding: 10px 6px; cursor: pointer; color: var(--text-primary); font: inherit; }
.voc-stat:hover { border-color: var(--accent); }
.voc-stat.active { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent) inset; }
.voc-stat-val { font-size: 22px; font-weight: 800; line-height: 1; }
.voc-stat-lbl { font-size: 10px; color: var(--text-tertiary); text-align: center; }
.voc-stat-dominado .voc-stat-val { color: #22c55e; }
.voc-stat-aprendiendo .voc-stat-val { color: #eab308; }
.voc-stat-dificil .voc-stat-val { color: #ef4444; }

.voc-conteo { font-size: 12px; color: var(--text-tertiary); margin: 4px 0 10px; }
#voc-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 10px; }
.voc-card { text-align: left; background: var(--bg-tertiary); border: 1px solid var(--border-color); border-radius: 12px; padding: 12px 14px; cursor: pointer; color: var(--text-primary); font: inherit; display: flex; flex-direction: column; gap: 4px; }
.voc-card:hover { border-color: var(--accent); }
.voc-card-badges { display: flex; flex-wrap: wrap; gap: 5px; margin-bottom: 2px; }
.voc-badge { font-size: 10px; padding: 1px 7px; border-radius: 999px; border: 1px solid; font-weight: 600; }
.voc-badge-hsk { color: var(--text-tertiary); border-color: var(--border-color); font-weight: 400; }
.voc-badge-aprox { color: #a855f7; border-color: #a855f7; border-style: dashed; font-weight: 600; }
.voc-estimar-bar { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin: 4px 0 6px; }
.voc-estimar-status { font-size: 12px; color: var(--text-tertiary); }
.voc-card-hanzi { font-size: 26px; font-weight: 700; line-height: 1.1; word-break: break-word; }
.voc-card-pinyin { font-size: 13px; color: var(--text-secondary); }
.voc-card-esp { font-size: 13px; color: var(--text-tertiary); }
.voc-card-stats { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 6px; font-size: 11px; color: var(--text-tertiary); }
.voc-card-stats b { color: var(--text-primary); font-size: 13px; }
.voc-card-fechas { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 4px; font-size: 10px; color: var(--text-tertiary); }

/* La tarjeta de detalle de término (.tdc-*) inyecta sus propios estilos desde
   term-detail-card.js (componente autocontenido), para funcionar también donde no
   se carga components.css (p. ej. admin.html). */

/* Perfil de habilidades (radar + KPIs + slider temporal) */
.mp-card-hint { margin-left: auto; font-size: 10px; color: var(--text-tertiary); text-transform: none; letter-spacing: 0; font-weight: 500; }

/* Ícono de información (ⓘ) + burbuja: hover en escritorio, clic/toque en móvil */
.mp-tip-wrap { position: relative; display: inline-flex; vertical-align: middle; }
.mp-infodot {
  display: inline-flex; align-items: center; justify-content: center;
  width: 15px; height: 15px; border-radius: 50%; padding: 0; margin-left: 4px;
  border: 1px solid var(--border-color); background: transparent;
  color: var(--text-tertiary); font-size: 10px; font-weight: 700; font-style: italic;
  font-family: Georgia, 'Times New Roman', serif; line-height: 1; cursor: pointer;
  text-transform: none; letter-spacing: 0; flex-shrink: 0;
}
.mp-infodot:hover { color: var(--accent); border-color: var(--accent); }
.mp-tip-bubble {
  display: none; position: absolute; top: calc(100% + 6px); left: 50%; transform: translateX(-50%); z-index: 50;
  width: 230px; max-width: min(230px, 78vw); padding: 10px 12px;
  background: var(--bg-primary); color: var(--text-secondary);
  border: 1px solid var(--border-color); border-radius: 8px;
  box-shadow: 0 4px 14px var(--shadow);
  font-size: 12px; font-weight: 400; line-height: 1.5; text-transform: none; letter-spacing: 0;
  white-space: normal; text-align: left;
}
.mp-tip-wrap:hover .mp-tip-bubble,
.mp-tip-wrap.open .mp-tip-bubble { display: block; }

.mp-radar-row { display: flex; gap: 14px; align-items: stretch; flex-wrap: wrap; }
.mp-radar-canvas { flex: 1 1 240px; min-width: 0; height: 240px; position: relative; }
.mp-kpis { display: flex; flex-direction: column; gap: 10px; flex: 0 0 150px; }
.mp-kpi { background: var(--bg-tertiary); border-radius: 10px; padding: 12px 14px; }
.mp-kpi-lbl { font-size: 10px; color: var(--text-tertiary); text-transform: uppercase; letter-spacing: .5px; font-weight: 700; }
.mp-kpi-val { font-size: 26px; font-weight: 800; color: var(--text-primary); margin-top: 2px; line-height: 1; }
.mp-kpi-meta { font-size: 10px; color: var(--text-tertiary); margin-top: 4px; }

.mp-radar-timeline { margin-top: 14px; }
.mp-radar-timeline-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 6px; }
.mp-radar-timeline-fecha { font-size: 11px; font-weight: 600; color: var(--text-secondary); }
.mp-radar-timeline-hoy { font-size: 10px; background: transparent; border: 1px solid var(--border-color); color: var(--text-secondary); padding: 2px 10px; border-radius: 6px; cursor: pointer; }
.mp-radar-timeline-hoy:hover { color: var(--text-primary); border-color: var(--accent); }
/* Barra del slider temporal. Estilo propio con variables que SÍ existen en el tema
   (--accent/--border-color/--bg-secondary): la regla genérica input[type=range] usa
   --primary-color/--surface-color, que no están definidas y dejan la barra transparente. */
input[type="range"].mp-radar-timeline-slider {
  -webkit-appearance: none; appearance: none;
  width: 100%; height: 8px; background: transparent; cursor: pointer; outline: none;
}
input[type="range"].mp-radar-timeline-slider::-webkit-slider-runnable-track {
  height: 8px; border-radius: 4px;
  background: linear-gradient(to right,
    var(--accent) 0%, var(--accent) var(--slider-value, 100%),
    var(--border-color) var(--slider-value, 100%), var(--border-color) 100%);
}
input[type="range"].mp-radar-timeline-slider::-moz-range-track { height: 8px; border-radius: 4px; background: var(--border-color); }
input[type="range"].mp-radar-timeline-slider::-moz-range-progress { height: 8px; border-radius: 4px; background: var(--accent); }
input[type="range"].mp-radar-timeline-slider::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  width: 18px; height: 18px; margin-top: -5px; border-radius: 50%;
  background: var(--accent); border: 3px solid var(--bg-secondary);
  box-shadow: 0 2px 6px rgba(0,0,0,0.25); cursor: pointer;
}
input[type="range"].mp-radar-timeline-slider::-moz-range-thumb {
  width: 18px; height: 18px; border-radius: 50%;
  background: var(--accent); border: 3px solid var(--bg-secondary);
  box-shadow: 0 2px 6px rgba(0,0,0,0.25); cursor: pointer;
}
.mp-radar-timeline-bounds { display: flex; justify-content: space-between; margin-top: 2px; font-size: 9px; color: var(--text-tertiary); }

@media (max-width: 720px) {
  .mp-grid { grid-template-columns: 1fr; }
  .mp-kpis { flex: 1 1 100%; flex-direction: row; }
  .mp-kpi { flex: 1; }
}

/* ---- Mazos: cabecera del detalle (28-oct-2026) ---- */
.mazo-btn-agregar { width: auto; display: inline-flex; align-items: center; gap: 6px; padding: 8px 14px; font-size: 14px; border-radius: 10px; white-space: nowrap; }
.mazo-btn-agregar svg { flex: none; }
@media (max-width: 520px) { .mazo-btn-agregar span { display: none; } .mazo-btn-agregar { padding: 8px 10px; } }
.mazo-racha-chip { display: inline-flex; align-items: center; gap: 4px; padding: 3px 9px; border-radius: 999px; font-size: 13px; font-weight: 600; color: #f97316; background: rgba(249, 115, 22, .12); white-space: nowrap; }
.mazo-opciones-menu { position: absolute; right: 0; top: calc(100% + 6px); z-index: 50; min-width: 180px; padding: 6px; border-radius: 10px; background: var(--bg-primary); border: 1px solid var(--border-color); box-shadow: 0 8px 24px rgba(0,0,0,.18); }
.mazo-opciones-menu button { display: flex; align-items: center; gap: 8px; width: 100%; padding: 9px 10px; border: none; background: transparent; color: var(--text-primary); font: inherit; font-size: 14px; text-align: left; border-radius: 6px; cursor: pointer; }
.mazo-opciones-menu button:hover { background: var(--bg-secondary); }
.mazo-btn-study { position: relative; }
.mazo-btn-badge { position: absolute; top: -7px; right: -7px; min-width: 20px; height: 20px; padding: 0 6px; border-radius: 999px; background: #2563eb; color: #fff; font-size: 12px; font-weight: 700; line-height: 20px; text-align: center; box-shadow: 0 0 0 2px var(--bg-primary); }
.mazo-btn-crear-primero { width: auto; display: inline-flex; padding: 12px 22px; font-size: 16px; border-radius: 10px; }
.mazo-streak-card { cursor: pointer; }
/* El calendario vive DENTRO de la tarjeta de racha (reporte MAkWpj, 6-nov-2026): fila completa bajo los números. */
.mazo-streak-cal { flex-basis: 100%; width: 100%; margin: 4px 0 0; padding: 12px 0 0; border-top: 1px solid var(--border-color); overflow-x: auto; cursor: default; }
.mazo-streak-cal .lec-vacio, .mazo-streak-cal p { font-size: 13px; color: var(--text-secondary); margin: 0; }


/* ---- Entrada manual en tres columnas (28-oct-2026) ---- */
.mazo-tabla-manual { width: 100%; border-collapse: collapse; table-layout: fixed; }
.mazo-tabla-manual th { text-align: center; font-size: 12px; font-weight: 600; color: var(--text-secondary); padding: 0 6px 6px; }
.mazo-tabla-manual th:nth-child(1) { width: 26%; }
.mazo-tabla-manual th:nth-child(2) { width: 30%; }
.mazo-tabla-manual th:nth-child(4) { width: 30px; }
.mazo-tabla-manual td { padding: 3px; vertical-align: middle; }
/* min-width:0: la regla general `input[type="text"] { min-width:200px }` (layout.css)
   hacía la casilla más ancha que su columna; se metía debajo de la de al lado y
   el texto, centrado en esos 200 px, se veía corrido a la derecha (reporte m650NI). */
.mazo-tabla-manual input { min-width: 0; width: 100%; box-sizing: border-box; padding: 8px 9px; font: inherit; font-size: 14px; text-align: center; border: 1px solid var(--border-color); border-radius: 8px; background: var(--bg-primary); color: var(--text-primary); }
.mazo-tabla-manual input:focus { outline: none; border-color: var(--primary); }
.mazo-tabla-manual td input[type="text"] { text-align: center; }
.mazo-tabla-manual input.mazo-celda-mala { border-color: #f59e0b; background: rgba(245, 158, 11, 0.10); }
.mazo-tabla-manual .mazo-fila-quitar { background: none; border: none; cursor: pointer; color: var(--text-tertiary); font-size: 18px; line-height: 1; padding: 4px; }
.mazo-tabla-manual .mazo-fila-quitar:hover { color: #ef4444; }
@media (max-width: 480px) {
  .mazo-tabla-manual th:nth-child(1) { width: 30%; }
  .mazo-tabla-manual th:nth-child(2) { width: 32%; }
  .mazo-tabla-manual input { padding: 7px 6px; font-size: 13px; }
}


/* ---- Cifras dentro de los botones de estudio (28-oct-2026) ---- */
.mazo-btn-study.mbs { justify-content: space-between; gap: 8px; padding: 10px 12px 10px 14px; min-height: 56px; text-align: left; min-width: 0; flex: 1 1 auto; font-size: 15px; }
.mazo-btn-study.mbs .mbs-main { display: inline-flex; align-items: center; gap: 8px; white-space: nowrap; min-width: 0; overflow: hidden; text-overflow: ellipsis; }
.mazo-btn-study.mbs .mbs-main svg { flex: none; }
.mazo-btn-study.mbs .mbs-stat { display: inline-flex; flex: none; flex-direction: column; align-items: flex-start; justify-content: center; min-width: 60px; padding-left: 8px; border-left: 1px solid rgba(255, 255, 255, 0.35); line-height: 1.05; font-weight: 500; }
.mazo-btn-study.mbs .mbs-stat b { font-size: 18px; font-weight: 700; }
.mazo-btn-study.mbs .mbs-stat small { font-size: 10px; opacity: 0.85; letter-spacing: 0.01em; }
.mazo-btn-study.mbs .mbs-stat .mbs-extra { font-size: 10px; opacity: 0.85; margin-top: 2px; }
.mazo-btn-study.mbs .mbs-stat .mbs-pausa { text-decoration: underline dotted; cursor: pointer; }
.mazo-btn-study.mbs .mbs-stat.mbs-cero { opacity: 0.75; }
.mazo-resumen-mazo { display: flex; flex-wrap: wrap; gap: 6px 14px; align-items: center; margin: 0 0 14px; font-size: 13px; color: var(--text-secondary); }
.mazo-resumen-mazo b { color: var(--text-primary); font-size: 15px; }
.mazo-resumen-mazo .sep { opacity: 0.4; }
@media (max-width: 520px) {
  .mazo-study-actions { gap: 8px !important; }
  .mazo-btn-study.mbs { flex: 1 1 calc(50% - 4px); max-width: calc(50% - 4px); padding: 9px 8px 9px 10px; font-size: 14px; gap: 6px; }
  .mazo-btn-study.mbs .mbs-main { gap: 6px; }
  .mazo-btn-study.mbs .mbs-main svg { width: 16px; height: 16px; }
  .mazo-btn-study.mbs .mbs-stat { min-width: 48px; padding-left: 6px; }
  .mazo-btn-study.mbs .mbs-stat b { font-size: 16px; }
  .mazo-btn-study.mbs .mbs-stat small, .mazo-btn-study.mbs .mbs-stat .mbs-extra { font-size: 9px; }
}
@media (max-width: 360px) {
  .mazo-btn-study.mbs { flex-basis: 100%; max-width: 100%; }
}

.mazo-btn-study.mbs .mbs-stat .mbs-pend { color: #fde68a; font-weight: 600; }


/* ---- Barra superior de la ronda en celular (29-oct-2026): con cronómetro y
   racha no cabía en una fila y la banderita quedaba fuera de la pantalla. ---- */
@media (max-width: 520px) {
  .fc-header { flex-wrap: wrap; gap: 4px 4px; margin-bottom: 12px; }
  .fc-header .fc-progress { flex: 1 1 100%; order: -1; margin-bottom: 2px; }
  #fc-modal .fc-header .fc-btn-undo { width: 38px; height: 38px; min-width: 38px !important; min-height: 38px !important; padding: 0; justify-content: center; align-items: center; }
  .fc-header #fc-timer { font-size: 12px; padding: 3px 8px; }
  .fc-header #fc-streak { font-size: 12px; }
  .fc-header #fc-btn-finalizar { margin-left: auto; }
}

/* Calificar hoja de escritura: mismos botones que la carta de reconocimiento.
   Las tres caritas (Difícil / Bien / Fácil) van más grandes y "De nuevo" /
   "No la estudié" más angostos, para que la fila se vea ordenada (reporte 41bWnk). */
/* minmax(0, …): sin el 0, la palabra "estudié" fija un ancho mínimo y el botón
   angosto termina siendo el más ancho. Con 0 la etiqueta se parte en dos líneas. */
.pdf-fb-btns.fc-ratings { grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.2fr) minmax(0, 1.2fr) minmax(0, 1.2fr) minmax(0, 0.85fr); margin-top: 8px; gap: 6px; align-items: stretch; }
/* display:grid aquí mismo: la regla `.pdf-fb-btns { display:flex }` de arriba le
   ganaba a `.fc-ratings { display:grid }` y las columnas nunca aplicaban. */
.pdf-fb-btns.fc-ratings { display: grid; }
.pdf-fb-btns .fc-rating-btn { min-width: 0; }
.pdf-fb-btns .fc-rating-label { text-align: center; line-height: 1.15; }
.pdf-fb-btns .fc-rating-btn { padding: 10px 4px; min-height: 0; border-radius: 10px; font-size: 13px; }
.pdf-fb-btns .fc-rating-btn:hover { transform: translateY(-2px); }
.pdf-fb-btns .fc-rating-hard .fc-rating-icon svg,
.pdf-fb-btns .fc-rating-good .fc-rating-icon svg,
.pdf-fb-btns .fc-rating-easy .fc-rating-icon svg { width: 36px; height: 36px; }
.pdf-fb-btns .fc-rating-again .fc-rating-icon svg,
.pdf-fb-btns .fc-rating-skip .fc-rating-icon svg { width: 22px; height: 22px; }
.pdf-fb-btns .fc-rating-again .fc-rating-label,
.pdf-fb-btns .fc-rating-skip .fc-rating-label { font-size: 11px; }
.fc-rating-skip { border-color: var(--border-color); }
.fc-rating-skip .fc-rating-label, .fc-rating-skip .fc-rating-icon { color: var(--text-secondary); }
.pdf-fb-btn.selected .fc-rating-label, .pdf-fb-btn.selected .fc-rating-icon { color: #fff; }
.pdf-fb-btn[data-rating="skip"].selected { background: var(--text-tertiary); border-color: var(--text-tertiary); }
@media (max-width: 600px) {
  .pdf-fb-btns.fc-ratings { grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr) minmax(0, 1.2fr) minmax(0, 1.2fr) minmax(0, 0.8fr); gap: 4px; }
  .pdf-fb-btns .fc-rating-btn { padding: 8px 2px; min-height: 0; font-size: 11px; }
  .pdf-fb-btns .fc-rating-hard .fc-rating-icon svg,
  .pdf-fb-btns .fc-rating-good .fc-rating-icon svg,
  .pdf-fb-btns .fc-rating-easy .fc-rating-icon svg { width: 30px; height: 30px; }
  .pdf-fb-btns .fc-rating-again .fc-rating-icon svg,
  .pdf-fb-btns .fc-rating-skip .fc-rating-icon svg { width: 18px; height: 18px; }
  .pdf-fb-btns .fc-rating-again .fc-rating-label,
  .pdf-fb-btns .fc-rating-skip .fc-rating-label { font-size: 10px; }
}

/* Lotes como etiqueta de origen (mazos propios): rejilla compacta sin estado,
   interruptor "Estudiar por unidades" y etiqueta de origen en cada término. */
.mazo-lotes-grid--compacta { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 6px; }
.mazo-lotes-grid--compacta .mazo-lote-card { padding: 8px 12px; gap: 6px; font-size: 13px; }
/* Nombre largo: se recorta con "…" en vez de desbordar; el número va en una
   pastilla a la derecha (el "N términos" completo queda en el title). */
.mazo-lotes-grid--compacta .mazo-lote-card .mazo-lote-name { flex: 1 1 auto; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.mazo-lotes-grid--compacta .mazo-lote-card .mazo-lote-count { font-size: 11px; margin-left: auto; white-space: nowrap; flex-shrink: 0; border: 1px solid var(--border-color); border-radius: 999px; padding: 0 7px; line-height: 1.6; }
.mazo-lotes-grid .mazo-lote-card .mazo-lote-name { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
/* Encabezado de mes dentro de la rejilla (listas largas de lotes). */
.mazo-lotes-mes { grid-column: 1 / -1; font-size: 12px; font-weight: 600; color: var(--text-secondary); margin: 8px 0 0; padding-bottom: 2px; border-bottom: 1px solid var(--border-color); }
.mazo-lotes-mes:first-child { margin-top: 0; }
.mazo-unidades-toggle { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; color: var(--text-secondary); cursor: pointer; user-select: none; }
.mazo-unidades-toggle input { margin: 0; cursor: pointer; }
.mazo-term-origen { font-size: 11px; color: var(--text-secondary); border: 1px solid var(--border-color); border-radius: 999px; padding: 1px 7px; white-space: nowrap; max-width: 150px; overflow: hidden; text-overflow: ellipsis; flex-shrink: 0; }
/* Bloque de lotes del modal de ronda: plegado en una línea de resumen que se
   ve como una fila ("Lotes: todos los activos (26)   cambiar ▸"). */
#fc-config-lotes-details > summary {
  display: flex; align-items: center; gap: 8px;
  cursor: pointer; font-size: 13px; color: var(--text-primary);
  margin-top: 12px; padding: 8px 10px; border-radius: 8px;
  background: var(--bg-tertiary); border: 1px solid var(--border-color);
  list-style: none; user-select: none;
}
#fc-config-lotes-details > summary::-webkit-details-marker { display: none; }
#fc-config-lotes-details > summary .fc-lotes-summary-cta {
  margin-left: auto; font-size: 12px; color: var(--primary); font-weight: 600;
}
#fc-config-lotes-details > summary .fc-lotes-summary-cta::after { content: " ▸"; }
#fc-config-lotes-details[open] > summary .fc-lotes-summary-cta::after { content: " ▾"; }
#fc-config-lotes-details.fc-lotes-siempre > summary { display: none; }
/* Lista compacta: filas bajas y menos alto para que no coma media ventana. */
#fc-config-lotes.mazo-priority-list { max-height: 200px; gap: 3px; }
#fc-config-lotes .mazo-priority-item { padding: 4px 8px; font-size: 13px; }
#fc-config-lotes .mazo-priority-item label { font-size: 13px; }
#fc-config-lotes .mazo-priority-item .mazo-priority-num { width: 18px; height: 18px; font-size: 10px; }
#fc-config-lotes-details #fc-config-lotes-label { margin-top: 10px; }
.mazo-lotes-sort { flex-wrap: wrap; }

/* Lista de mazos en rejilla cuando hay ancho (reporte 7IrSyl, 6-nov-2026); lo que
   no es tarjeta (tarjeta de la Academia, barra de Lemma, estados vacíos) va a lo ancho. */
#mazos-lista-container > :not(.mazo-card) { grid-column: 1 / -1; }