/* ===== NAVIGATION ===== */
.navbar {
  transition: all 0.3s ease;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.navbar-light {
  background-color: #ffffff !important;
  color: #1f2937;
}

.navbar-brand {
  font-weight: 700;
  color: var(--color-primary) !important;
  transition: color 0.3s ease;
}

.nav-link {
  color: #4b5563 !important;
  font-weight: 500;
  padding: 0.5rem 1rem !important;
  transition: all 0.3s ease;
  position: relative;
}

.nav-link:hover, .nav-link:focus {
  color: var(--color-primary) !important;
}

.nav-link.active {
  color: var(--color-primary) !important;
  font-weight: 600;
}

.nav-link::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: 0;
  left: 50%;
  background-color: var(--color-primary);
  transition: all 0.3s ease;
  transform: translateX(-50%);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 70%;
}

/* Dark mode styles */
.dark .navbar {
  background-color: var(--navbar-bg) !important;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.dark .navbar-brand {
  color: #3b82f6 !important;
}

.dark .nav-link {
  color: #e5e7eb !important;
}

.dark .nav-link:hover,
.dark .nav-link:focus {
  color: var(--color-primary) !important;
}

.dark .nav-link.active {
  color: var(--color-primary) !important;
}

/* Theme toggle button */
#themeToggleBtn {
  border: 1px solid var(--color-border);
  transition: all 0.3s ease;
}

.dark #themeToggleBtn {
  background-color: rgba(255, 255, 255, 0.1);
  color: #e5e7eb;
  border-color: rgba(255, 255, 255, 0.2);
}

.dark #themeToggleBtn:hover {
  background-color: rgba(255, 255, 255, 0.2);
}

/* ===== VARIABLES ===== */

/* Botones centrales personalizados */
.slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 8px;
  border-radius: 4px;
  background: var(--color-border);
  outline: none;
  transition: opacity 0.2s;
}

.slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--color-primary);
  cursor: pointer;
  transition: background 0.2s;
  margin-top: -6px; /* Centrar verticalmente el círculo */
}

.slider::-webkit-slider-thumb:hover {
  background: var(--color-primary-dark);
}

.slider::-webkit-slider-thumb:active {
  background: var(--color-primary-dark);
}

.slider::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--color-primary);
  cursor: pointer;
  transition: background 0.2s;
}

.slider::-moz-range-thumb:hover {
  background: var(--color-primary-dark);
}

.slider::-moz-range-thumb:active {
  background: var(--color-primary-dark);
}

.slider::-ms-thumb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--color-primary);
  cursor: pointer;
  transition: background 0.2s;
}

.slider::-ms-thumb:hover {
  background: var(--color-primary-dark);
}

.slider::-ms-thumb:active {
  background: var(--color-primary-dark);
}

.slider::-webkit-slider-runnable-track {
  width: 100%;
  height: 8px;
  cursor: pointer;
  border-radius: 4px;
  background: var(--color-border);
}

.slider::-moz-range-track {
  width: 100%;
  height: 8px;
  cursor: pointer;
  border-radius: 4px;
  background: var(--color-border);
}

.slider::-ms-track {
  width: 100%;
  height: 8px;
  cursor: pointer;
  border-radius: 4px;
  background: transparent;
  border-color: transparent;
  color: transparent;
}

.slider::-ms-fill-lower {
  background: var(--color-primary);
  border-radius: 4px;
}

.slider::-ms-fill-upper {
  background: var(--color-border);
  border-radius: 4px;
}

/* Botones centrales personalizados */
.central-buttons {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 2rem;
  margin: 2.5rem 0 2.5rem 0;
}
.custom-center-btn {
  background: linear-gradient(90deg, var(--color-primary) 60%, var(--color-primary-dark) 100%);
  color: #fff;
  border: none;
  border-radius: var(--border-radius-lg);
  padding: 1rem 2.2rem;
  font-size: 1.25rem;
  font-weight: 600;
  box-shadow: 0 4px 16px rgba(var(--color-primary-rgb), 0.10);
  display: flex;
  align-items: center;
  gap: 0.85rem;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
  outline: none;
}
.custom-center-btn i {
  font-size: 1.25rem;
  margin-right: 0.5rem;
}
.custom-center-btn:hover, .custom-center-btn:focus {
  background: linear-gradient(90deg, var(--color-accent) 40%, var(--color-primary-dark) 100%);
  transform: scale(1.04) translateY(-2px);
  box-shadow: 0 8px 20px rgba(var(--color-accent-rgb), 0.15);
  color: #fff;
}
@media (max-width: 600px) {
  .central-buttons {
    flex-direction: column;
    gap: 1.3rem;
    margin: 1.5rem 0;
  }
  .custom-center-btn {
    width: 100%;
    justify-content: center;
  }
}

/* Highlight visual al navegar con los botones centrales */
.section-highlight {
  animation: sectionHighlightFade 0.9s;
  box-shadow: 0 0 0 5px var(--color-accent);
  z-index: 2;
  position: relative;
}
@keyframes sectionHighlightFade {
  0% {
    box-shadow: 0 0 0 8px var(--color-accent);
  }
  80% {
    box-shadow: 0 0 0 5px var(--color-accent);
  }
  100% {
    box-shadow: none;
  }
}
:root {
  /* Colores - Modo Claro */
  --color-primary: #2563eb;
  --color-primary-dark: #1d4ed8;
  --color-secondary: #10b981;
  --color-secondary-dark: #059669;
  --color-accent: #f59e0b;
  --color-accent-dark: #d97706;
  --color-danger: #ef4444;
  --color-danger-dark: #dc2626;
  --color-background: #f9fafb;
  --color-card: #ffffff;
  --color-text: #1f2937;
  --color-text-light: #6b7280;
  --color-border: #e5e7eb;

  /* Sombras */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);

  /* Espaciado */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;

  /* Bordes */
  --border-radius-sm: 0.25rem;
  --border-radius: 0.5rem;
  --border-radius-lg: 0.75rem;

  /* Transiciones */
  --transition-fast: 150ms ease;
  --transition: 300ms ease;

  /* Add RGB variables for gradients and effects */
  --color-primary-rgb: 37, 99, 235;
  --color-secondary-rgb: 16, 185, 129;
  --color-accent-rgb: 245, 158, 11;
}

/* Modo Oscuro */
.dark {
  --color-primary: #3b82f6;
  --color-primary-dark: #2563eb;
  --color-secondary: #10b981;
  --color-secondary-dark: #059669;
  --color-accent: #f59e0b;
  --color-accent-dark: #d97706;
  --color-danger: #ef4444;
  --color-danger-dark: #dc2626;
  --color-background: #111827;
  --color-card: #1f2937;
  --color-text: #f9fafb;
  --navbar-bg: #1f2937;
  --navbar-text: #f9fafb;
  --navbar-hover: #3b82f6;
  --navbar-active: #3b82f6;
  --color-text-light: #d1d5db;
  --color-border: #374151;

  /* Sombras para modo oscuro */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -2px rgba(0, 0, 0, 0.3);

  --color-primary-rgb: 59, 130, 246;
  --color-secondary-rgb: 16, 185, 129;
  --color-accent-rgb: 245, 158, 11;
}

/* ===== LAYOUT ===== */
.app-container {
  width: 100%;
  max-width: 100%;
  margin: 0;
  padding: 0;
  background-color: var(--color-card);
}

/* Estilo específico para el botón de agregar categoría */
#addCategoryBtn {
  border-radius: 2rem;
  padding: 0.75rem 1.5rem;
  font-size: 0.9rem;
  transition: all 0.2s ease;
}

#addCategoryBtn i {
  margin-right: 0.5rem;
}

/* Estilos para los campos de entrada */
#newCategory, #words {
  border-radius: 2rem;
  padding: 0.75rem 1rem;
  font-size: 0.9rem;
  border: 1px solid var(--color-border);
  background-color: var(--color-card);
  transition: all 0.2s ease;
}

#newCategory:focus, #words:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px rgba(var(--color-primary-rgb), 0.1);
}

.app-content {
  width: 100%;
  max-width: 100%;
  margin: 0 auto;
  padding: 0;
}

/* ===== RESET Y ESTILOS BASE ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Open Sans",
    "Helvetica Neue", sans-serif;
  line-height: 1.5;
  color: var(--color-text);
  background-color: var(--color-background);
  transition: background-color var(--transition), color var(--transition);
}

/* Estilo para las palabras ejemplo en el label */
label {
  color: var(--color-text);
}

label span.example-words {
  color: var(--color-accent);
  font-weight: 500;
}

label span.example-prefix {
  color: var(--color-primary);
  font-weight: 500;
}

/* ===== RESET Y ESTILOS BASE ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Open Sans",
    "Helvetica Neue", sans-serif;
  line-height: 1.5;
  color: var(--color-text);
  background-color: var(--color-background);
  transition: background-color var(--transition), color var(--transition);
}

h1,
h2,
h3,
h4,
h5,
h6 {
  margin-bottom: var(--spacing-md);
  font-weight: 600;
  line-height: 1.25;
  color: var(--color-text);
  transition: color var(--transition);
}

/* Unificar tamaño/espaciado de íconos en encabezados */
.heading-icon {
  font-size: 1em; /* igual altura que el texto del heading */
  margin-right: 0.5rem;
  line-height: 1;
  vertical-align: -0.1em; /* ligera alineación óptica */
  color: inherit; /* heredar color del heading */
}

/* Unificar tamaño de los encabezados clave */
#categories-heading,
#config-heading,
#parameters-heading {
  font-size: 1.2rem; /* mismo tamaño, un poco más pequeño */
  margin: 0;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Línea divisoria bajo la cabecera de Parámetros */
.parameters-header {
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 10px;
  margin-bottom: 12px;
}

/* Estilos para la sección de categorías */
.categories-section {
  margin-bottom: 4px; /* aún menos espacio antes de Configuración */
}

.categories-header {
  border-bottom: 1px solid var(--color-border); /* línea visible siempre */
  padding-bottom: 8px;
}

#categoriesContent {
  margin-top: 0; /* usar padding interno para evitar recorte por overflow */
  padding-top: 12px; /* separación suficiente para que no se corte la palomita/check */
  padding-bottom: 0;
  border: none;
}

h1 {
  font-size: 1.875rem;
}

h2 {
  font-size: 1.5rem;
  margin: 0 0 var(--spacing-sm) 0;
}

/* Estilos específicos para los elementos solicitados */

/* Efecto hover azul para categorías y parámetros */
.categories-header[style*="cursor: pointer"]:hover,
.parameters-header[style*="cursor: pointer"]:hover {
  background-color: rgba(59, 130, 246, 0.1) !important;
}

/* Estilo específico para los íconos al hacer hover */
.categories-header:hover .heading-icon,
.parameters-header:hover .heading-icon {
  color: var(--color-primary) !important;
}

/* Mantener el texto de parámetros en blanco al hacer hover */
#parameters-heading {
  color: white !important;
}

/* Estilo para el título de configuración con línea debajo */
#config-heading {
  margin: 0 0 1rem 0 !important;
  padding: 0 0 0.5rem 0 !important;
  border-bottom: 1px solid rgba(var(--color-border-rgb), 0.3) !important;
  display: flex !important;
  align-items: center !important;
}

#config-heading .heading-icon {
  margin-right: 0.5rem !important;
  color: var(--color-primary) !important;
}

p {
  margin-bottom: var(--spacing-md);
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-primary-dark);
}

button {
  cursor: pointer;
  font-family: inherit;
}

.category-description-content .description-actions {
  margin-bottom: 0.75rem;
  text-align: right;
}

.category-description-content .description-actions button {
  margin-left: 0.5rem;
}

#themeToggleBtn {
  border: 2px solid var(--color-primary);
  border-radius: var(--border-radius);
  padding: 0.5rem;
  background: none;
  color: var(--color-text);
  transition: all var(--transition);
}

#themeToggleBtn:hover {
  background-color: rgba(var(--color-primary-rgb), 0.1);
  transform: scale(1.05);
}

input,
textarea,
select {
  font-family: inherit;
  font-size: 1rem;
  transition: background-color var(--transition), border-color var(--transition), color var(--transition);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* ===== LAYOUT ===== */
.app-container {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--spacing-lg);
}

.app-header {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
  position: relative;
}

.app-description {
  color: var(--color-text-light);
  margin-bottom: var(--spacing-xl);
}

.app-content {
  background-color: var(--color-card);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  padding: var(--spacing-xl);
  margin-bottom: var(--spacing-2xl);
  transition: background-color var(--transition), box-shadow var(--transition);
}

.app-footer {
  text-align: center;
  color: var(--color-text-light);
  padding: var(--spacing-lg) 0;
  border-top: 1px solid var(--color-border);
  transition: border-color var(--transition);
}

.app-footer i {
  color: var(--color-danger);
}

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

/* Theme Toggle */
.theme-toggle {
  position: absolute;
  top: 0;
  right: 0;
}

.theme-toggle-btn {
  background-color: var(--color-card);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-radius: 50%;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.theme-toggle-btn:hover {
  background-color: var(--color-primary);
  color: white;
  transform: rotate(15deg);
}

/* Secciones */
.categories-section,
.story-config-section {
  margin-bottom: var(--spacing-2xl);
  padding-bottom: var(--spacing-xl);
  border-bottom: 1px solid var(--color-border);
  position: relative;
  transition: border-color var(--transition);
}

/* Botones */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: 1rem;
  font-weight: 500;
  border-radius: var(--border-radius);
  border: none;
  transition: background-color var(--transition-fast), transform var(--transition-fast), box-shadow
    var(--transition-fast), color var(--transition-fast);
}

.btn:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.btn i {
  margin-right: var(--spacing-sm);
}

.btn-primary {
  background-color: var(--color-primary);
  color: white;
  border: none;
}

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.btn-secondary {
  background-color: var(--color-secondary);
  color: white;
  border: none;
}

.btn-secondary:hover {
  background-color: var(--color-secondary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.btn-accent {
  background-color: var(--color-accent);
  color: white;
  border: none;
}

.btn-accent:hover {
  background-color: var(--color-accent-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.btn-danger {
  background-color: var(--color-danger);
  color: white;
}

.btn-danger:hover {
  background-color: var(--color-danger-dark);
  transform: translateY(-2px);
}

.btn-generate {
  width: 100%;
  padding: var(--spacing-md);
  font-size: 1.125rem;
  margin-top: var(--spacing-xs);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background-color
    var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn-generate i {
  margin-right: var(--spacing-sm);
  font-size: 1.25rem;
}

.btn-generate:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-accent);
  border: 1px solid var(--color-accent);
}

.btn-outline:hover {
  background-color: var(--color-accent);
  color: white;
}

/* Estilos para botones deshabilitados */
.btn:disabled {
  background-color: var(--color-text-light);
  cursor: not-allowed;
  transform: none;
  opacity: 0.7;
  position: relative;
}

/* Estilo para el tooltip que aparece al pasar el cursor */
.btn-disabled-hint {
  position: relative;
  overflow: visible !important;
}

.btn-disabled-hint::before {
  content: "⚠️ (Debes seleccionar una)";
  position: absolute;
  top: -40px;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--color-danger);
  color: white;
  padding: 5px 10px;
  border-radius: var(--border-radius-sm);
  font-size: 0.85rem;
  white-space: nowrap;
  opacity: 0;
  transition: opacity 0.3s;
  pointer-events: none;
  z-index: 10;
  font-weight: bold;
}

.btn-disabled-hint:hover::before {
  opacity: 1;
}

.btn-sm {
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: 0.875rem;
}

/* Categorías */
.categories-container {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
  position: relative;
}

.categories-container::after {
  content: "";
  position: absolute;
  bottom: -10px;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-primary-dark) 50%, transparent);
  opacity: 0;
  transition: opacity 0.3s;
}

.categories-container:empty::after {
  opacity: 0.5;
  content: "👆 Selecciona o crea una categoría para continuar";
  display: block;
  text-align: center;
  padding: 15px;
  color: var(--color-primary);
  background-color: rgba(var(--color-primary-rgb), 0.1);
  border-radius: var(--border-radius);
  font-weight: 500;
  margin-top: 10px;
  border: 1px dashed var(--color-primary);
  height: auto;
}

.category-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.category-btn {
  background-color: var(--color-primary);
  color: white;
  border: none;
  border-radius: var(--border-radius);
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: 0.875rem;
  transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.category-btn:hover {
  background-color: var(--color-primary-dark);
  transform: translateY(-2px);
}

.category-btn.active {
  background-color: var(--color-primary-dark);
  font-weight: bold;
  box-shadow: var(--shadow);
  position: relative;
}

.category-btn.active::after {
  content: "✓";
  position: absolute;
  top: -5px;
  right: -5px;
  background-color: var(--color-secondary);
  color: white;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  font-size: 0.7rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.delete-category-btn {
  background-color: var(--color-danger);
  color: white;
  border: none;
  border-radius: var(--border-radius);
  width: 24px;
  height: 24px;
  font-size: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.delete-category-btn:hover {
  background-color: var(--color-danger-dark);
  transform: scale(1.1);
}

/* Required indicator styling */
.required-indicator {
  color: #ef4444;
  font-weight: bold;
  animation: pulse 2s infinite;
  margin-left: 8px;
  font-size: 0.9rem;
}

@keyframes pulse {
  0% {
    opacity: 0.7;
  }
  50% {
    opacity: 1;
  }
  100% {
    opacity: 0.7;
  }
}

/* Inputs */
.input-group {
  margin-bottom: var(--spacing-lg);
  position: relative;
}

.saved-stories-section .input-group {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.saved-stories-section #clearSearchBtn {
  min-width: 120px;
  font-size: 0.9rem;
  padding: var(--spacing-md) var(--spacing-lg);
  text-overflow: ellipsis;
  overflow: hidden;
  white-space: nowrap;
  flex: 0 1 auto;
}

@media (max-width: 768px) {
  .saved-stories-section .input-group {
    flex-direction: column;
    align-items: stretch;
  }
  
  .saved-stories-section #clearSearchBtn {
    min-width: 100%;
    margin-top: var(--spacing-sm);
    font-size: 0.875rem;
    padding: var(--spacing-sm) var(--spacing-md);
    line-height: 1.2;
  }
}

.input-group label {
  display: block;
  margin-bottom: var(--spacing-sm);
  font-weight: 500;
}

/* Estilo para los slashes */
.input-group label span.slash {
  color: var(--color-primary);
  margin: 0 0.1em;
}

/* Estilo para la palabra "ej:" */
label span[data-example-prefix] {
  color: var(--color-primary);
  font-weight: 500;
  margin: 0 0.25em;
}

.input-group input[type="text"],
.input-group textarea {
  width: 100%;
  padding: var(--spacing-md);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  background-color: var(--color-card);
  color: var(--color-text);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition),
    color var(--transition);
}

.input-group input[type="text"]:focus,
.input-group textarea:focus {
  border-color: var(--color-primary);
  outline: none;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* Sliders */
.slider {
  width: 100%;
  height: 8px;
  border-radius: 4px;
  background: #e5e7eb;
  outline: none;
  transition: background 0.2s;
  margin: 10px 0;
  cursor: default;
  pointer-events: none; /* Deshabilitar interacción con el mouse */
}

.slider::-webkit-slider-thumb {
  pointer-events: auto;
  cursor: grab;
}

.slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--color-primary);
  cursor: pointer;
  transition: background var(--transition-fast), transform var(--transition-fast);
}

.slider::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--color-primary);
  cursor: pointer;
  transition: background var(--transition-fast), transform var(--transition-fast);
  border: none;
}

.slider::-webkit-slider-thumb:hover {
  background: var(--color-primary-dark);
  transform: scale(1.2);
}

.slider::-moz-range-thumb:hover {
  background: var(--color-primary-dark);
  transform: scale(1.2);
}

/* Estilo para los números de los sliders */
#paragraphs-count,
#wordCount-value {
  color: var(--color-primary);
  font-weight: bold;
}

/* Add Category */
.add-category {
  margin-bottom: var(--spacing-lg);
}

.add-category .input-group {
  display: flex;
  gap: var(--spacing-sm);
}

.add-category input {
  flex: 1;
}

/* Category Description */
.category-description-container {
  background-color: rgba(37, 99, 235, 0.05);
  border-radius: var(--border-radius);
  border-left: 4px solid var(--color-primary);
  margin-top: var(--spacing-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}

.dark .category-description-container {
  background-color: rgba(59, 130, 246, 0.1);
}

.category-description-container:hover {
  box-shadow: var(--shadow);
}

.category-description-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md) var(--spacing-md) var(--spacing-sm);
  border-bottom: 1px solid rgba(37, 99, 235, 0.1);
  transition: border-color var(--transition);
  cursor: pointer;
}

.dark .category-description-header {
  border-bottom: 1px solid rgba(59, 130, 246, 0.2);
}

.category-description-header h3 {
  margin: 0;
  font-size: 1rem;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.description-actions {
  display: flex;
  gap: var(--spacing-sm);
}

.category-description-content {
  padding: var(--spacing-md);
  transition: max-height 0.3s ease-in-out;
}

.category-description-content.collapsed {
  max-height: 0;
  overflow: hidden;
  padding: 0 var(--spacing-md);
}

.category-description-content:not(.collapsed) {
  max-height: 500px;
}

.category-description-content textarea {
  background-color: rgba(255, 255, 255, 0.8);
  border: 1px solid rgba(37, 99, 235, 0.2);
  transition: all var(--transition-fast);
}

.dark .category-description-content textarea {
  background-color: rgba(31, 41, 55, 0.8);
  border-color: rgba(59, 130, 246, 0.3);
  color: var(--color-text);
}

.category-description-content textarea:focus {
  background-color: var(--color-card);
  border-color: var(--color-primary);
}

/* Añadir estilos para textarea deshabilitado */
.category-description-content textarea:disabled {
  background-color: rgba(0, 0, 0, 0.05);
  cursor: not-allowed;
  opacity: 0.7;
}

.dark .category-description-content textarea:disabled {
  background-color: rgba(255, 255, 255, 0.05);
}

.description-help {
  margin-top: var(--spacing-sm);
  font-size: 0.875rem;
  color: var(--color-text-light);
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.description-help i {
  color: var(--color-primary);
}

/* Generation Buttons */
.generation-buttons {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  position: relative;
}

/* Estilos para la sección de opciones de tono */
/* Contenedor de opciones de tono ultra compacto */
.tone-options {
  border: 1px solid rgba(var(--color-border-rgb), 0.2);
  border-radius: 4px;
  background: var(--color-card);
  padding: 0;
  margin: 0 0 0.3rem 0;
  font-size: 0.8em;
  line-height: 1;
  width: fit-content;
  min-width: 100%;
  box-sizing: border-box;
  overflow: hidden;
  display: inline-block;
}

.tone-options-header {
  padding: 0.2rem 0.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: transparent;
  white-space: nowrap;
  cursor: pointer;
  user-select: none;
  margin: 0;
  border-radius: 3px;
  transition: all 0.1s ease;
  border: 1px solid transparent;
  width: 100%;
  box-sizing: border-box;
}

.tone-options-header:hover {
  background-color: rgba(var(--color-primary-rgb), 0.05);
  border-color: rgba(var(--color-primary-rgb), 0.1);
}

.tone-options-header[aria-expanded="true"] {
  background-color: rgba(var(--color-primary-rgb), 0.05);
  border-color: rgba(var(--color-primary-rgb), 0.15);
}

/* Estilos para los encabezados de secciones colapsables */
.tone-options-header h3 {
  margin: 0;
  font-size: 0.85em;
  font-weight: 500;
  white-space: nowrap;
  padding: 0;
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: 4px;
  line-height: 1.2;
}

/* Efecto hover en encabezados */
.tone-options-header:hover h3,
.parameters-header:hover h3,
.categories-header:hover h3,
.category-description-header:hover h3 {
  color: var(--color-primary);
}

/* Estilos para todos los contenedores colapsables */
.tone-selector,
.parameters-content,
#categoriesContent,
#categoryDescriptionContent {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-in-out;
  background: transparent;
  margin: 0;
  padding: 0 0.5rem;
  border-top: 1px solid rgba(var(--color-border-rgb), 0.3);
}

/* Estado expandido */
.tone-selector:not(.collapsed),
.parameters-content:not(.collapsed),
#categoriesContent:not(.collapsed),
#categoryDescriptionContent:not(.collapsed) {
  max-height: 500px; /* Ajusta según sea necesario */
  padding: 0.5rem 0.75rem 0.75rem;
  border-top-color: rgba(var(--color-border-rgb), 0.5);
}

/* Estado contraído */
.tone-selector.collapsed,
.parameters-content.collapsed,
#categoriesContent.collapsed,
#categoryDescriptionContent.collapsed {
  max-height: 0;
  padding: 0 0.75rem;
  border-top-color: transparent;
}

/* Estilos para las opciones de tono */
.tone-option {
  margin: 0.05rem 0;
}

.tone-option:first-child label {
  border-top: none;
}

.tone-options .btn {
  padding: 0.1rem 0.3rem;
  min-height: auto;
  line-height: 1.2;
}

.tone-options .btn i {
  margin: 0;
  font-size: 0.9em;
}

.tone-option label {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.1rem 0.3rem;
  border: none;
  border-top: 1px solid rgba(var(--color-border-rgb), 0.1);
  cursor: pointer;
  background: transparent;
  margin: 0;
  min-height: 1.5em;
  width: 100%;
  box-sizing: border-box;
}

.dark .tone-option label {
  background-color: rgba(31, 41, 55, 0.5);
}

.tone-option input[type="radio"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.tone-option input[type="radio"]:checked + label {
  border-color: var(--color-primary);
  background-color: rgba(var(--color-primary-rgb), 0.1);
  box-shadow: var(--shadow);
}

.dark .tone-option input[type="radio"]:checked + label {
  background-color: rgba(var(--color-primary-rgb), 0.2);
}

.tone-icon {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-sm);
  color: var(--color-primary);
  transition: transform var(--transition-fast), color var(--transition);
}

.tone-option:hover .tone-icon {
  transform: scale(1.2);
}

.tone-name {
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
  color: var(--color-text);
  transition: color var(--transition);
}

.tone-description {
  font-size: 0.8rem;
  text-align: center;
  color: var(--color-text-light);
  transition: color var(--transition);
}

.tone-option:hover label {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

@media (max-width: 768px) {
  .tone-selector {
    flex-direction: column;
  }

  .tone-option {
    width: 100%;
  }
}

/* Estilos para textarea deshabilitado */
.category-description-content textarea:disabled {
  background-color: rgba(0, 0, 0, 0.05);
  cursor: not-allowed;
  opacity: 0.7;
}

.dark .category-description-content textarea:disabled {
  background-color: rgba(255, 255, 255, 0.05);
}

/* Collapsibles: Categories and Parameters */
#categoriesContent,
.parameters-content {
  max-height: 1000px;
  transition: max-height 0.3s ease-in-out, padding 0.3s ease-in-out;
}

#categoriesContent.collapsed,
.parameters-content.collapsed {
  max-height: 0;
  overflow: hidden;
  padding-top: 0;
  padding-bottom: 0;
}

/* Clickable headers indicate interactivity */
.categories-header,
.parameters-header,
.tone-options-header,
#categoryDescriptionHeader {
  cursor: pointer;
  transition: background-color 0.2s ease;
  border-radius: 6px;
  padding: 4px 8px;
  margin: 0 -8px;
}

.categories-header:hover,
.parameters-header:hover,
.tone-options-header:hover,
#categoryDescriptionHeader:hover,
.categories-header:focus-within,
.parameters-header:focus-within,
.tone-options-header:focus-within,
#categoryDescriptionHeader:focus-within {
  background-color: rgba(var(--color-primary-rgb), 0.05);
  transform: none;
}

/* Añadir estilos para botón de guardar deshabilitado */
#saveDescriptionBtn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

#saveDescriptionBtn:disabled:hover {
  background-color: var(--color-secondary);
  transform: none;
  box-shadow: none;
}

/* =====================
   Responsive refinements
   aligned with Bootstrap breakpoints
   xs <576, sm ≥576, md ≥768, lg ≥992, xl ≥1200, xxl ≥1400
   ===================== */

/* XS: <576px */
@media (max-width: 575.98px) {
  /* Promo banner: stack items nicely */
  .promo-banner .row > div {
    flex: 0 0 100%;
    max-width: 100%;
    text-align: center;
  }

  /* Countdown compact */
  #countdown .countdown-number { font-size: 0.95rem; min-width: 28px; }
  #countdown .countdown-label { font-size: 0.5rem; }

  /* Share button full width */
  .promo-banner #shareBtn {
    width: 100%;
    white-space: normal !important;
    margin-top: 0.5rem;
  }

  /* Tighten paddings */
  .hero { padding-top: 2rem; padding-bottom: 2rem; }
  .hero h1 { font-size: 2rem; }
  .hero p { font-size: 1rem; }
}

/* SM: ≥576px and <768px */
@media (min-width: 576px) and (max-width: 767.98px) {
  #countdown .countdown-number { font-size: 1rem; min-width: 30px; }
  #countdown .countdown-label { font-size: 0.55rem; }

  .promo-banner #shareBtn { width: 100%; white-space: normal !important; }
  .hero h1 { font-size: 2.25rem; }
}

/* MD: ≥768px and <992px
   Keep share button below countdown (already handled by max-width:991.98 rule) */
@media (min-width: 768px) and (max-width: 991.98px) {
  #countdown .countdown-number { font-size: 1.05rem; }
  .hero h1 { font-size: 2.35rem; }
}

/* LG: ≥992px and <1200px
   Return share button to inline block on the right */
@media (min-width: 992px) and (max-width: 1199.98px) {
  .promo-banner .row > div:nth-child(3) {
    flex: 0 0 auto;
    max-width: none;
    text-align: end !important;
    margin-top: 0; /* reset */
  }
  .promo-banner #shareBtn {
    width: auto;
    max-width: 100%;
    white-space: normal !important; /* override inline nowrap */
    overflow-wrap: anywhere;
    box-sizing: border-box;
    display: inline-block;
  }
  .hero h1 { font-size: 2.75rem; }
}

/* iPad Pro portrait and similar widths: avoid overflow by stacking share button */
@media (min-width: 992px) and (max-width: 1100px) {
  .promo-banner .row > div:nth-child(3) {
    flex: 0 0 100%;
    max-width: 100%;
    text-align: center !important;
    margin-top: 0.5rem;
  }
  .promo-banner #shareBtn {
    display: block;
    width: 100%;
    max-width: 100%;
    white-space: normal !important;
    overflow-wrap: anywhere;
    box-sizing: border-box;
  }
}

/* XL: ≥1200px and <1400px */
@media (min-width: 1200px) and (max-width: 1399.98px) {
  .hero h1 { font-size: 3rem; }
  /* Evitar desbordes en tabletas grandes/monitores medianos */
  .promo-banner #shareBtn {
    max-width: 100%;
    white-space: normal !important;
    overflow-wrap: anywhere;
  }
}

/* XXL: ≥1400px */
@media (min-width: 1400px) {
  .hero h1 { font-size: 3.25rem; }
  .promo-banner #shareBtn {
    max-width: 100%;
    white-space: normal !important;
  }
}

/* Error Message */
.error-message {
  background-color: rgba(239, 68, 68, 0.1);
  color: var(--color-danger);
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
  margin: var(--spacing-lg) 0;
  border-left: 4px solid var(--color-danger);
  font-weight: 500;
  position: relative;
  animation-duration: 0.3s;
  animation-fill-mode: both;
  box-shadow: 0 2px 10px rgba(239, 68, 68, 0.2);
  display: flex;
  align-items: center;
}

.dark .error-message {
  background-color: rgba(239, 68, 68, 0.2);
}

.error-message::before {
  content: "⚠️";
  margin-right: var(--spacing-sm);
  font-size: 1.2rem;
}

/* Animación para el error */
.error-pulse {
  animation-name: errorPulse;
}

@keyframes errorPulse {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.03);
  }
  100% {
    transform: scale(1);
  }
}

/* Estilos para el tooltip que solo aparece al pasar el cursor */
.btn-hover-hint {
  position: relative;
  overflow: visible !important;
}

/* Modificar el estilo del tooltip para que sea rojo */
.btn-hover-hint::after {
  content: "⚠️ (Debes seleccionar una)";
  position: absolute;
  bottom: -30px;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--color-danger);
  color: white;
  padding: 5px 10px;
  border-radius: 4px;
  font-size: 0.75rem;
  opacity: 0;
  transition: opacity 0.3s, bottom 0.3s;
  pointer-events: none;
  white-space: nowrap;
  z-index: 10;
  width: max-content;
}

.btn-hover-hint:hover::after {
  opacity: 1;
  bottom: -25px;
}

.dark .btn-hover-hint::after {
  background-color: rgba(0, 0, 0, 0.9);
}

/* Eliminar los estilos anteriores que mostraban el tooltip permanentemente */
.btn-disabled-hint::before {
  display: none;
}

.btn-disabled-hint::after {
  display: none;
}

/* Asegurar que todos los botones de generación muestren la advertencia solo al hover */
.generation-buttons .btn-hover-hint::after {
  content: "⚠️ (Debes seleccionar una)";
  background-color: var(--color-danger);
  z-index: 10;
}

/* Story Result */
.story-result {
  margin-top: var(--spacing-xl);
}

.story-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-md);
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.story-actions {
  display: flex;
  gap: var(--spacing-sm);
}

.story-content {
  background-color: rgba(16, 185, 129, 0.05);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius);
  margin-bottom: var(--spacing-lg);
  border: 1px solid var(--color-border);
  max-height: 500px;
  overflow-y: auto;
  transition: background-color var(--transition), border-color var(--transition);
}

.dark .story-content {
  background-color: rgba(16, 185, 129, 0.1);
}

.story-content strong {
  color: var(--color-primary-dark);
  font-weight: 600;
}

/* Saved Stories */
.saved-stories-section {
  margin-top: var(--spacing-2xl);
  padding-top: var(--spacing-xl);
  border-top: 1px solid var(--color-border);
  transition: border-color var(--transition);
}

/* Search container for saved content */
.search-container {
  margin-bottom: var(--spacing-lg);
}

.search-container .input-group {
  display: flex;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.search-container input {
  flex: 1;
}

.search-container button {
  padding: var(--spacing-sm);
  width: 40px;
}

.saved-stories-container {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-lg);
  max-height: 600px;
  overflow-y: auto;
  padding-right: var(--spacing-sm);
}

.saved-story-card {
  background-color: var(--color-card);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition), background-color var(--transition);
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 200px;
}

.saved-story-card:hover {
  transform: translateY(-5px) scale(1.02);
  box-shadow: var(--shadow-md);
}

.saved-story-header {
  padding: var(--spacing-md);
  background-color: rgba(37, 99, 235, 0.05);
  border-bottom: 1px solid var(--color-border);
  transition: background-color var(--transition), border-color var(--transition);
}

.dark .saved-story-header {
  background-color: rgba(59, 130, 246, 0.1);
}

.saved-story-title {
  font-weight: 600;
  margin: 0;
  font-size: 1rem;
  color: var(--color-primary);
  display: -webkit-box;
  line-clamp: 3;
  -webkit-line-clamp: 3;
 
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color var(--transition);
}

/* Add a subtle hover effect to the cards */
.saved-story-card::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, transparent 70%, rgba(var(--color-primary-rgb), 0.1) 100%);
  opacity: 0;
  transition: opacity var(--transition);
  pointer-events: none;
}

.saved-story-card:hover::after {
  opacity: 1;
}

.saved-story-date {
  font-size: 0.75rem;
  color: var(--color-text-light);
  margin-top: var(--spacing-xs);
  transition: color var(--transition);
}

.saved-story-type {
  display: inline-block;
  font-size: 0.75rem;
  padding: 2px 6px;
  border-radius: 10px;
  margin-top: var(--spacing-xs);
  transition: background-color var(--transition), color var(--transition);
}

.saved-story-type.type-story {
  background-color: rgba(245, 158, 11, 0.1);
  color: var(--color-accent-dark);
}

.dark .saved-story-type.type-story {
  background-color: rgba(245, 158, 11, 0.2);
}

.saved-story-type.type-sentences {
  background-color: rgba(16, 185, 129, 0.1);
  color: var(--color-secondary-dark);
}

.dark .saved-story-type.type-sentences {
  background-color: rgba(16, 185, 129, 0.2);
}

.saved-story-type.type-qa {
  background-color: rgba(37, 99, 235, 0.1);
  color: var(--color-primary-dark);
}

.dark .saved-story-type.type-qa {
  background-color: rgba(59, 130, 246, 0.2);
}

.saved-story-preview {
  padding: var(--spacing-md);
  flex-grow: 1;
  display: -webkit-box;
  appearance: none;
-webkit-appearance: none;

line-clamp: 3;
-webkit-line-clamp: 3;

  -webkit-box-orient: vertical;
  overflow: hidden;
  font-size: 0.875rem;
  color: var(--color-text);
  line-height: 1.5;
  transition: color var(--transition);
}

.saved-story-words {
  margin-top: var(--spacing-sm);
  font-size: 0.8rem;
  color: var(--color-text-light);
  padding-top: var(--spacing-xs);
  border-top: 1px dashed var(--color-border);
  transition: color var(--transition), border-color var(--transition);
}

.saved-story-actions {
  display: flex;
  border-top: 1px solid var(--color-border);
  transition: border-color var(--transition);
}

.saved-story-action {
  flex: 1;
  padding: var(--spacing-sm);
  background: none;
  border: none;
  font-size: 0.875rem;
  color: var(--color-text);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  cursor: pointer;
  transition: background-color var(--transition-fast), color var(--transition);
}

.saved-story-action:hover {
  background-color: rgba(0, 0, 0, 0.05);
}

.dark .saved-story-action:hover {
  background-color: rgba(255, 255, 255, 0.05);
}

.saved-story-action:not(:last-child) {
  border-right: 1px solid var(--color-border);
  transition: border-color var(--transition);
}

.saved-story-action i {
  font-size: 0.875rem;
}

.saved-story-action.view i {
  color: var(--color-primary);
}

.saved-story-action.use-words i {
  color: var(--color-secondary);
}

.saved-story-action.delete i {
  color: var(--color-danger);
}

/* Notificaciones */
.notification {
  position: fixed;
  bottom: 20px;
  right: 20px;
  padding: 12px 20px;
  background-color: var(--color-card);
  color: var(--color-text);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  gap: 10px;
  z-index: 1000;
  transform: translateY(100px);
  opacity: 0;
  transition: transform 0.3s ease, opacity 0.3s ease, background-color var(--transition), color var(--transition);
}

.notification.show {
  transform: translateY(0);
  opacity: 1;
}

.notification i {
  font-size: 1.25rem;
}

.notification-success i {
  color: var(--color-secondary);
}

.notification-error i {
  color: var(--color-danger);
}

.notification-info i {
  color: var(--color-primary);
}

/* Mejora para el contenedor de contenido */
#contentContainer {
  transition: all 0.3s ease;
}

/* Animaciones */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeIn 0.5s ease forwards;
}

/* Modal para palabras usadas */
.modal {
  display: none;
  position: fixed;
  z-index: 1000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  overflow: auto;
  background-color: rgba(0, 0, 0, 0.5);
  animation: fadeIn 0.3s;
}

.modal-content {
  background-color: var(--color-card);
  margin: 10% auto;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
  width: 80%;
  max-width: 600px;
  position: relative;
  animation: slideIn 0.3s;
  color: var(--color-text);
  transition: background-color var(--transition), color var(--transition);
}

.close-modal {
  position: absolute;
  right: 15px;
  top: 10px;
  font-size: 24px;
  font-weight: bold;
  cursor: pointer;
  color: var(--color-text-light);
  transition: color var(--transition);
}

.close-modal:hover {
  color: var(--color-primary);
}

.used-words-container {
  max-height: 300px;
  overflow-y: auto;
  margin-top: 15px;
  padding: 10px;
  background-color: rgba(var(--color-primary-rgb), 0.05);
  border-radius: var(--border-radius);
  border: 1px solid var(--color-border);
  transition: background-color var(--transition), border-color var(--transition);
}

.used-words-item {
  padding: 8px;
  margin-bottom: 8px;
  border-radius: var(--border-radius-sm);
  background-color: var(--color-card);
  border-left: 3px solid var(--color-primary);
  transition: background-color var(--transition);
}

/* Estilos para paquetes de palabras */
.word-packages-buttons {
  display: flex;
  gap: 10px;
  margin-top: 10px;
}

.word-package-action-btn {
  background-color: var(--color-accent);
  color: white;
  border: none;
  border-radius: 4px;
  padding: 5px 10px;
  font-size: 0.9rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 5px;
  transition: background-color 0.2s, color var(--transition);
}

.word-package-action-btn:hover {
  background-color: var(--color-accent-dark);
}

.word-packages-container {
  max-height: 400px;
  overflow-y: auto;
  margin-top: 15px;
}

.word-package-item {
  background-color: var(--color-card);
  border-radius: 6px;
  padding: 12px;
  margin-bottom: 10px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  border-left: 4px solid var(--color-accent);
  transition: background-color var(--transition);
}

.word-package-name {
  font-weight: bold;
  font-size: 1.1rem;
  color: var(--color-text);
  transition: color var(--transition);
}

.word-package-words {
  color: var(--color-text-light);
  font-size: 0.9rem;
  word-break: break-word;
  transition: color var(--transition);
}

.word-package-actions {
  display: flex;
  gap: 8px;
  margin-top: 5px;
}

.word-package-btn {
  background-color: transparent;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 4px 8px;
  cursor: pointer;
  color: var(--color-text);
  transition: background-color var(--transition-fast), color var(--transition), border-color var(--transition);
}

.word-package-btn:hover {
  background-color: rgba(var(--color-primary-rgb), 0.1);
}

.word-package-btn.use i {
  color: var(--color-secondary);
}

.word-package-btn.delete i {
  color: var(--color-danger);
}

/* Improve responsive design for buttons */
@media (max-width: 768px) {
  .btn-generate {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 1rem;
  }

  .btn-generate i {
    font-size: 1rem;
  }
}

@media (max-width: 480px) {
  .generation-buttons {
    gap: var(--spacing-sm);
  }
}

/* Ajustes para pantallas medianas (1000px - 1300px) */
@media (min-width: 1000px) and (max-width: 1300px) {
  .container {
    max-width: 95%;
    padding: 0 15px;
  }
  
  .hero h1 {
    font-size: 2.5rem;
  }
  
  .hero p {
    font-size: 1.1rem;
  }
  
  .feature-card, .value-card {
    padding: 1.5rem;
  }
  
  .navbar-brand {
    font-size: 1.25rem;
  }
  
  .nav-link {
    padding: 0.5rem 0.75rem !important;
  }
  
  .btn {
    padding: 0.5rem 1rem;
    font-size: 0.95rem;
  }
}

/* Colocar el botón de compartir debajo del contador cuando aparece el navbar toggler (<992px) */
@media (max-width: 991.98px) {
  /* Hacer que la 3ra columna (botón compartir) ocupe todo el ancho */
  .promo-banner .row > div:nth-child(3) {
    flex: 0 0 100%;
    max-width: 100%;
    text-align: center !important;
    margin-top: 0.5rem;
  }

  /* Que el botón sea de ancho completo y permita salto de línea */
  .promo-banner #shareBtn {
    display: block;
    width: 100%;
    white-space: normal !important;
    padding: 0.5rem 0.75rem;
    font-size: 0.95rem;
  }
}

/* Ajustes responsivos */
@media (max-width: 768px) {
  .app-container {
    padding: var(--spacing-md);
  }

  .app-content {
    padding: var(--spacing-lg);
  }

  h1 {
    font-size: 1.5rem;
  }

  h2 {
    font-size: 1.25rem;
  }

  .add-category .input-group {
    flex-direction: column;
  }

  .saved-stories-container {
    grid-template-columns: 1fr;
  }

  .story-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .story-actions {
    width: 100%;
    justify-content: space-between;
  }

  .notification {
    left: 20px;
    right: 20px;
    bottom: 20px;
  }

  .error-message {
    margin: var(--spacing-md) 0;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.9rem;
  }

  .btn-disabled-hint::before {
    display: none; /* Ocultar tooltips en móvil */
  }

  .theme-toggle {
    position: relative;
    top: 0;
    right: 0;
    margin-bottom: var(--spacing-md);
    display: flex;
    justify-content: flex-end;
  }
}

@media (max-width: 480px) {
  .app-content {
    padding: var(--spacing-md);
  }

  .categories-container {
    flex-direction: column;
    align-items: flex-start;
  }

  .category-item {
    width: 100%;
  }

  .category-btn {
    flex: 1;
  }
}

/* Mejoras de accesibilidad */
:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Agregar estilos para el indicador de categoría seleccionada */
.selected-category-info {
  margin-top: var(--spacing-sm);
  padding: var(--spacing-xs) var(--spacing-sm);
  background-color: rgba(var(--color-primary-rgb), 0.1);
  border-radius: var(--border-radius-sm);
  display: inline-block;
}

.badge {
  font-size: 0.85rem;
  color: var(--color-text);
}

.badge strong {
  color: var(--color-primary);
  font-weight: 600;
}

.dark .badge strong {
  color: var(--color-primary);
}

/* Emoji styling */
.emoji-icon {
  margin-right: 5px;
  font-size: 1.1em;
}

/* Estilo solo para el texto Inglés_Flast */
.brand-name {
  color: #b8860b;
  font-weight: bold;
}

/* Estilos para opciones de tono */
.tone-options {
  margin-bottom: var(--spacing-lg);
  background-color: rgba(var(--color-primary-rgb), 0.05);
  border-radius: var(--border-radius);
  padding: var(--spacing-md);
  border-left: 4px solid var(--color-primary);
  transition: background-color var(--transition), border-color var(--transition);
}

.dark .tone-options {
  background-color: rgba(var(--color-primary-rgb), 0.1);
}

.tone-options h3 {
  font-size: 1.1rem;
  margin-bottom: var(--spacing-md);
  color: var(--color-text);
  transition: color var(--transition);
}

.tone-selector {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.tone-option {
  flex: 1 1 500%;     /* crece y se reduce, base de 150px */
  min-width: 0;    /* no se encoge más de esto */
  max-width: 100%;    /* límite de ancho */

  
}

.tone-option input[type="radio"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.tone-option label {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--spacing-md);
  background-color: var(--color-card);
  border: 2px solid var(--color-border);
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.dark .tone-option label {
  background-color: rgba(31, 41, 55, 0.5);
}

.tone-option input[type="radio"]:checked + label {
  border-color: var(--color-primary);
  background-color: rgba(var(--color-primary-rgb), 0.1);
  box-shadow: var(--shadow);
}

.dark .tone-option input[type="radio"]:checked + label {
  background-color: rgba(var(--color-primary-rgb), 0.2);
}

.tone-icon {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-sm);
  color: var(--color-primary);
  transition: transform var(--transition-fast), color var(--transition);
}

.tone-option:hover .tone-icon {
  transform: scale(1.2);
}

.tone-name {
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
  color: var(--color-text);
  transition: color var(--transition);
}

.tone-description {
  font-size: 0.8rem;
  text-align: center;
  color: var(--color-text-light);
  transition: color var(--transition);
}

.tone-option:hover label {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

@media (max-width: 768px) {
  .tone-selector {
    flex-direction: column;
  }

  .tone-option {
    width: 100%;
  }
}

/* Estilos para textarea deshabilitado */
.category-description-content textarea:disabled {
  background-color: rgba(0, 0, 0, 0.05);
  cursor: not-allowed;
  opacity: 0.7;
}

.dark .category-description-content textarea:disabled {
  background-color: rgba(255, 255, 255, 0.05);
}

/* Collapsibles: Categories and Parameters */
#categoriesContent,
.parameters-content {
  max-height: 1000px;
  transition: max-height 0.3s ease-in-out, padding 0.3s ease-in-out;
}

#categoriesContent.collapsed,
.parameters-content.collapsed {
  max-height: 0;
  overflow: hidden;
  padding-top: 0;
  padding-bottom: 0;
}

/* Clickable headers indicate interactivity */
.categories-header,
.parameters-header,
.tone-options-header,
#categoryDescriptionHeader {
  cursor: pointer;
  transition: background-color 0.2s ease;
  border-radius: 6px;
  padding: 4px 8px;
  margin: 0 -8px;
}

.categories-header:hover,
.parameters-header:hover,
.tone-options-header:hover,
#categoryDescriptionHeader:hover,
.categories-header:focus-within,
.parameters-header:focus-within,
.tone-options-header:focus-within,
#categoryDescriptionHeader:focus-within {
  background-color: rgba(var(--color-primary-rgb), 0.05);
  transform: none;
}

/* Añadir estilos para botón de guardar deshabilitado */
#saveDescriptionBtn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

#saveDescriptionBtn:disabled:hover {
  background-color: var(--color-secondary);
  transform: none;
  box-shadow: none;
}