/* Estilos principales del sitio */

:root {
  /* Paleta principal mejorada */
  --color-bg: #0a0e17; /* Dark Blue/Black - más oscuro para mejor contraste */
  --color-bg-secondary: #111827; /* Dark Slate Blue - ligeramente más oscuro */
  --color-bg-tertiary: #1e293b; /* Lighter Slate para cards y elementos destacados */
  
  /* Textos con mejor contraste */
  --color-text-primary: #f8fafc; /* Blanco con ligero tinte azul para mayor contraste */
  --color-text-secondary: #94a3b8; /* Medium Slate Grey */
  --color-text-muted: #64748b; /* Texto muy sutil para elementos terciarios */

  /* Acentos y bordes */
  --color-border: #1e2a3f; /* Border más oscuro y sutil */
  --color-border-light: #2d3d58; /* Border para elementos destacados */
  --color-accent: #3b82f6; /* Bright Blue */
  --color-accent-hover: #2563eb; /* Darker Blue for Hover */
  --color-accent-light: rgba(59, 130, 246, 0.1); /* Azul con transparencia para fondos sutiles */
  
  /* Estados y fondos de tarjetas */
  --color-card-hover-bg: #1a2335; /* Hover más sutil para cards */
  --color-success-bg: #052e16; /* Dark Green BG */
  --color-success-text: #4ade80; /* Light Green Text - más saturado */
  --color-error-bg: #450a0a; /* Dark Red BG */
  --color-error-text: #f87171; /* Light Red Text - más saturado */
  --color-warning-bg: #422006; /* Dark Orange/Brown BG */
  --color-warning-text: #fdba74; /* Light Orange text */
  
  /* Radios de borde y espaciado */
  --border-radius-sm: 0.25rem; /* 4px */
  --border-radius-md: 0.5rem; /* 8px */
  --border-radius-lg: 0.75rem; /* 12px */
  --border-radius-xl: 1rem; /* 16px */
  
  /* Sombras refinadas */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.2), 0 2px 4px -2px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -4px rgba(0, 0, 0, 0.2);
  --shadow-card: 0 4px 6px -1px rgba(0, 0, 0, 0.2), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --shadow-glow: 0 0 15px rgba(59, 130, 246, 0.1);
}

/* Estilos Generales */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  font-size: 16px;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  background: linear-gradient(to bottom, var(--color-bg), #0c1220);
  color: var(--color-text-primary);
  line-height: 1.6;
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: all 0.2s ease;
}

a:hover {
  color: var(--color-accent-hover);
  text-decoration: none;
}

/* Estilos del Header */
header {
  background: rgba(17, 24, 39, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  color: var(--color-text-primary);
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

header .logo a {
  color: var(--color-text-primary);
  text-decoration: none;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

header nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
}

header nav ul li {
  margin-left: 1.5rem;
}

header nav ul li a {
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color 0.2s ease;
  font-weight: 500;
  position: relative;
  padding: 0.5rem 0;
}

header nav ul li a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-accent);
  transition: width 0.2s ease;
}

header nav ul li a:hover {
  color: var(--color-text-primary);
  text-decoration: none;
}

header nav ul li a:hover::after {
  width: 100%;
}

/* Contenedor principal para empujar el footer hacia abajo */
.main-content {
  flex: 1;
  padding: 2rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  box-sizing: border-box;
  position: relative;
}

/* Estilos de títulos principales en main-content */
.main-content h1, 
.main-content > h2,
.category-content h1 {
  color: var(--color-text-primary);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}

.main-content h1 {
  font-size: 2.5rem;
  background: linear-gradient(90deg, var(--color-text-primary), #cbd5e1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-fill-color: transparent;
}

/* Estilos del Footer */
footer {
  background-color: var(--color-bg-secondary);
  color: var(--color-text-secondary);
  text-align: center;
  padding: 1.5rem;
  margin-top: 4rem;
  font-size: 0.875rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

/* Estilos Welcome Container y User Info */
.welcome-container {
  max-width: 800px;
  margin: 2.5rem auto;
  padding: 2.5rem;
  border-radius: var(--border-radius-lg);
  background: var(--color-bg-secondary);
  color: var(--color-text-primary);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  position: relative;
  overflow: hidden;
}

/* Añadir un efecto de "glassmorphism" sutil a las tarjetas */
.welcome-container::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.01));
  z-index: -1;
  border-radius: var(--border-radius-lg);
}

.welcome-container h1 {
  color: var(--color-text-primary);
  margin-top: 0;
  font-size: 2rem;
  font-weight: 700;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 1rem;
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
  background: linear-gradient(90deg, var(--color-text-primary), #94a3b8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-fill-color: transparent;
}

.welcome-container h2 {
  color: var(--color-text-primary);
  margin-top: 2rem;
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.welcome-container p {
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: 1rem;
}

/* Estilos para el contenedor de información de usuario */
.user-info {
  background: linear-gradient(to bottom right, var(--color-bg), #131b30);
  padding: 1.5rem;
  border-radius: var(--border-radius-lg);
  margin-bottom: 2rem;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
}

.user-info h3 {
  color: var(--color-text-primary);
  margin-top: 0;
  font-size: 1.25rem;
  margin-bottom: 1rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.user-info h3::before {
  content: '';
  display: inline-block;
  width: 4px;
  height: 1rem;
  background: var(--color-accent);
  border-radius: 2px;
  margin-right: 0.5rem;
}

.user-info p {
  margin-bottom: 0.75rem;
}

.user-info p strong {
  color: var(--color-text-primary);
  font-weight: 500;
}

/* Estilos para estados de suscripción */
.subscription-status {
  margin-top: 1.5rem;
  padding: 1.25rem;
  border-radius: var(--border-radius-lg);
  position: relative;
  overflow: hidden;
}

.subscription-status.active {
  background: linear-gradient(to right, var(--color-success-bg), rgba(22, 101, 52, 0.7));
  color: var(--color-success-text);
  border: 1px solid rgba(74, 222, 128, 0.2);
  box-shadow: 0 4px 12px rgba(22, 101, 52, 0.15);
}

.subscription-status.inactive {
  background: linear-gradient(to right, var(--color-error-bg), rgba(153, 27, 27, 0.7));
  color: var(--color-error-text);
  border: 1px solid rgba(248, 113, 113, 0.2);
  box-shadow: 0 4px 12px rgba(153, 27, 27, 0.15);
}

.subscription-status p {
  color: inherit;
  margin-bottom: 0.5rem;
  opacity: 0.9;
}

.subscription-status p strong {
  opacity: 1;
}

/* Botones mejorados */
.btn-primary {
  display: inline-block;
  background: linear-gradient(to right, var(--color-accent), #4f46e5);
  color: white;
  padding: 0.75rem 1.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--border-radius-md);
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  text-align: center;
  box-shadow: 0 2px 10px rgba(59, 130, 246, 0.3);
  position: relative;
  overflow: hidden;
  margin-top: 1.25rem;
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to right, transparent, rgba(255, 255, 255, 0.1), transparent);
  transform: translateX(-100%);
  transition: transform 0.6s ease;
}

.btn-primary:hover {
  background: linear-gradient(to right, #2563eb, #4338ca);
  text-decoration: none;
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(59, 130, 246, 0.4);
}

.btn-primary:hover::before {
  transform: translateX(100%);
}

.btn-primary:active {
  transform: translateY(1px);
  box-shadow: 0 2px 8px rgba(59, 130, 246, 0.3);
}

.btn-secondary {
  display: inline-block;
  background: rgba(255, 255, 255, 0.05);
  color: var(--color-text-primary);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 0.75rem 1.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--border-radius-md);
  transition: all 0.2s ease;
  cursor: pointer;
  text-align: center;
  text-decoration: none;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  margin-top: 1.25rem;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--color-accent);
  text-decoration: none;
  transform: translateY(-2px);
}

.expiration-warning {
  background: linear-gradient(to right, rgba(234, 88, 12, 0.2), rgba(234, 88, 12, 0.1));
  color: var(--color-warning-text);
  font-weight: 500;
  padding: 0.75rem 1rem;
  margin-top: 1rem;
  border-radius: var(--border-radius-md);
  border: 1px solid rgba(253, 186, 116, 0.2);
  display: flex;
  align-items: center;
}

.expiration-warning::before {
  content: '⚠️';
  margin-right: 0.5rem;
  font-size: 1rem;
}

.feedback-error {
  color: var(--color-error-text);
  margin-top: 0.75rem;
  font-size: 0.875rem;
  font-weight: 500;
}

/* Estilos para las tarjetas */
.video-item {
  background: linear-gradient(to bottom, var(--color-bg-secondary), var(--color-bg-tertiary));
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: 1rem;
  text-align: left;
  color: var(--color-text-primary);
  text-decoration: none;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.video-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(to right, var(--color-accent), transparent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}

.video-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg), 0 0 20px rgba(59, 130, 246, 0.1);
  border-color: var(--color-border-light);
}

.video-item:hover::before {
  transform: scaleX(1);
}

.video-item .thumbnail-placeholder {
  width: 100%;
  height: 150px;
  background: rgba(15, 23, 42, 0.7);
  border: 1px dashed var(--color-border-light);
  border-radius: var(--border-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-secondary);
  font-size: 0.9em;
  margin-bottom: 1rem;
  box-sizing: border-box;
  position: relative;
  overflow: hidden;
}

.video-item .thumbnail-placeholder::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.05), transparent 50%);
}

.video-thumbnail-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--border-radius-md);
  transition: transform 0.5s ease, filter 0.3s ease;
}

.video-item:hover .video-thumbnail-image {
  transform: scale(1.05);
  filter: brightness(1.1);
}

.thumbnail-placeholder.fallback {
  background: linear-gradient(135deg, var(--color-bg), #131b30);
  color: var(--color-text-muted);
  font-size: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Estilos para breadcrumbs */
.breadcrumb-container {
  background: rgba(17, 24, 39, 0.7);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  padding: 1rem 2rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  box-sizing: border-box;
  border-radius: 0 0 var(--border-radius-md) var(--border-radius-md);
}

.breadcrumb-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  font-size: 0.875rem;
}

.breadcrumb-list li {
  display: inline-flex;
  align-items: center;
  margin-right: 0.5rem;
  color: var(--color-text-muted);
}

.breadcrumb-list li:not(:last-child)::after {
  content: "/";
  margin-left: 0.5rem;
  opacity: 0.5;
}

.breadcrumb-list li a {
  color: var(--color-text-secondary);
  transition: color 0.2s;
  text-decoration: none;
}

.breadcrumb-list li a:hover {
  color: var(--color-accent);
}

.breadcrumb-list li.current-page {
  font-weight: 600;
  color: var(--color-text-primary);
}

/* Asegurarnos que los estilos de scrollbar sean compatibles con el tema oscuro */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: var(--color-bg);
  border-radius: 5px;
}

::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: 5px;
  border: 2px solid var(--color-bg);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-text-muted);
}

/* Media queries for responsiveness */
@media (max-width: 768px) {
  .welcome-container {
    padding: 1.5rem;
    margin: 1rem auto;
  }
  
  .user-info {
    padding: 1rem;
  }
  
  .welcome-container h1 {
    font-size: 1.5rem;
  }
  
  .main-content {
    padding: 1rem;
  }
  
  header {
    padding: 0.75rem 1rem;
  }
  
  .btn-primary, .btn-secondary {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
  }
}

/* Estilos para la vista de categoría con dos columnas */
.category-view-container {
  display: flex;
  gap: 2rem;
  padding: 2rem;
  width: 100%;
  box-sizing: border-box;
  position: relative;
}

/* Columna izquierda: Índice */
.category-index {
  width: 300px;
  flex-shrink: 0;
  position: sticky;
  top: 90px; /* Ajustar según la altura del header */
  align-self: flex-start;
  max-height: calc(100vh - 120px);
  overflow-y: auto;
  background: linear-gradient(to bottom, var(--color-bg-secondary), rgba(30, 41, 59, 0.8));
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  padding: 1.5rem;
  border: 1px solid var(--color-border);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.category-index h2 {
  margin: 0 0 1.5rem 0;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text-primary);
  font-weight: 600;
  font-size: 1.25rem;
  letter-spacing: -0.01em;
}

.index-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.index-list > li {
  margin-bottom: 1.5rem;
}

.index-list > li > a {
  display: block;
  color: var(--color-text-secondary);
  text-decoration: none;
  font-weight: 600;
  padding: 0.5rem 0;
  transition: color 0.2s;
}

.index-list > li > a:hover {
  color: var(--color-accent);
  text-decoration: none;
}

.index-video-list {
  list-style: none;
  padding: 0;
  margin: 0.5rem 0 0 1rem;
}

.index-video-list li {
  margin: 0.25rem 0;
}

.index-video-list a {
  display: block;
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  padding: 0.25rem 0;
  transition: color 0.2s;
}

.index-video-list a:hover {
  color: var(--color-accent);
  text-decoration: none;
}

/* Columna derecha: Contenido principal */
.category-content {
  flex: 1;
  min-width: 0; /* Importante para evitar desbordamiento */
}

/* Ajustes para la cuadrícula de videos */
.category-content .video-grid {
  display: grid;
  gap: 15px; /* Reducido de 20px */
  grid-template-columns: repeat(auto-fit, 180px); /* Columnas fijas */
  justify-content: start; /* Alinear los elementos a la izquierda */
}

/* Estilos Cuadrículas */
.category-grid,
.video-grid {
  display: grid;
  gap: 20px; /* Espacio entre elementos de la cuadrícula */
}

/* Configuración de columnas responsiva */
.category-grid {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); /* Columnas flexibles */
}

.video-grid {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); /* Columnas flexibles para videos */
}

/* Ajustes para los items de video específicos para la vista de categoría*/
.video-item {
  background: linear-gradient(to bottom, var(--color-bg-secondary), var(--color-bg-tertiary));
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  padding: 0.75rem;
  text-align: left;
  color: var(--color-text-primary);
  text-decoration: none;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

/* Los estilos hover y before ya están definidos arriba */

.video-item h3, .video-item h4 {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.3;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2; /* Limitar a 2 líneas */
  -webkit-box-orient: vertical;
  color: var(--color-text-primary);
  font-weight: 500;
}

/* Ajustes para los elementos de scroll */
.subcategory-section h2 {
  scroll-margin-top: 90px;
  margin-top: 2rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text-primary);
  font-size: 1.25rem;
  font-weight: 600;
}

.video-item {
  scroll-margin-top: 90px;
}

/* Responsive para vista de categoría */
@media (max-width: 768px) {
  .category-view-container {
    flex-direction: column;
    padding: 1rem;
  }

  .category-index {
    width: 100%;
    position: static;
    max-height: none;
    margin-bottom: 2rem;
  }

  .category-content {
    width: 100%;
  }

  /* Ajustes específicos para móvil */
  .category-content .video-grid {
    grid-template-columns: repeat(auto-fit, 140px); /* Cambiado a tamaño fijo en móvil */
    gap: 10px; /* Menos espacio entre items en móvil */
  }

  .video-item .thumbnail-placeholder {
    height: 90px; /* Más pequeño en móvil */
  }

  .video-item h3 {
    font-size: 0.9em; /* Texto más pequeño en móvil */
  }
}

/* Estilos para la vista de video */
#video-player-container {
  margin: 2rem 0;
  width: 100%;
  min-height: 200px; /* Asegurar que el contenedor siempre tenga altura mínima */
}

#video-player-container video {
  width: 100%; /* Usar width en lugar de max-width para forzar el ancho completo */
  height: auto;
  aspect-ratio: 16 / 9; /* Definir relación de aspecto */
  display: block;
  background-color: #000;
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-md);
  min-height: 200px; /* Altura mínima para asegurar visibilidad */
}

.video-description {
  margin: 1.5rem 0;
  line-height: 1.6;
  color: var(--color-text-secondary);
}

.video-navigation {
  margin: 2rem 0;
  padding-top: 1rem;
  border-top: 1px solid var(--color-border);
}

.back-to-category {
  display: inline-block;
  padding: 0.5rem 1rem;
  background-color: var(--color-bg-secondary);
  color: var(--color-text-primary);
  text-decoration: none;
  border-radius: var(--border-radius-md);
  transition: all 0.2s ease;
  border: 1px solid var(--color-border);
}

.back-to-category:hover {
  background-color: var(--color-card-hover-bg);
  transform: translateY(-2px);
  border-color: var(--color-accent);
}

/* Estilos para las colecciones en la página de categorías */
.collection-card {
  background: linear-gradient(to bottom, var(--color-bg-secondary), var(--color-bg-tertiary));
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  margin-bottom: 20px;
  padding: 15px;
  overflow: hidden;
  display: flex; /* Para centrar contenido */
  justify-content: center;
  align-items: center;
  text-decoration: none; /* Eliminar subrayado del enlace */
  color: var(--color-text-primary);
  transition: all 0.2s ease;
  cursor: pointer; /* Indicar que es clickeable */
  width: 180px; /* Ancho fijo */
  height: 180px; /* Altura fija para hacerla cuadrada */
  margin: 0 auto; /* Centrar tarjetas si no ocupan todo el ancho */
  border: 1px solid var(--color-border);
  position: relative;
}

.collection-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(to right, var(--color-accent), transparent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}

.collection-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-border-light);
}

.collection-card:hover::before {
  transform: scaleX(1);
}

/* Estilos para el contenedor de colecciones */
#category-grid-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 25px;
  margin-top: 20px;
}

/* Estilos para cuando se muestra texto en lugar de logo */
.collection-card h2 {
  font-size: 1.2rem;
  margin: 0;
  padding: 0;
  text-align: center;
  color: var(--color-text-primary);
  border-bottom: none;
  font-weight: 600;
}

/* Estilos para la imagen del logo de colección */
.collection-logo-image {
  display: block;
  max-width: 85%;
  max-height: 85%;
  margin: 0 auto; /* Centrar horizontalmente */
  object-fit: contain; /* Mantener proporción sin recortar */
}

/* Ajustes responsive para colecciones */
@media (max-width: 768px) {
  .collection-card {
    width: 150px;
    height: 150px;
    padding: 10px;
  }
  
  .collection-card h2 {
    font-size: 1rem;
  }
  
  #category-grid-container {
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 15px;
  }
}

/* Estilos para los elementos de categoría en la vista de colección */
.category-item {
  display: block;
  background: linear-gradient(to bottom, var(--color-bg-secondary), var(--color-bg-tertiary));
  border-radius: var(--border-radius-lg);
  padding: 20px;
  margin-bottom: 15px;
  box-shadow: var(--shadow-md);
  transition: all 0.3s ease;
  text-decoration: none;
  color: var(--color-text-primary);
  text-align: center;
  border: 1px solid var(--color-border);
  position: relative;
}

.category-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(to right, var(--color-accent), transparent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}

.category-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-border-light);
}

.category-item:hover::before {
  transform: scaleX(1);
}

.category-item h3 {
  margin: 0;
  font-size: 1.5em;
  color: var(--color-text-primary);
  font-weight: 600;
}

#categories-container .category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 20px;
  margin-top: 20px;
}

/* Estilos para thumbnails de videos */
.thumbnail-container {
  width: 100%;
  aspect-ratio: 16 / 9; /* Proporción estándar de video */
  background-color: var(--color-bg);
  margin-bottom: 10px;
  border-radius: var(--border-radius-md);
  overflow: hidden; /* Para que las imágenes no se salgan del contenedor */
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative; /* Para posibles overlays futuros */
  border: 1px solid var(--color-border);
}

/* Estilos para secciones mayores en Osmosis */
.major-section-item {
  background: linear-gradient(to bottom, var(--color-accent-light), var(--color-bg-secondary));
  color: var(--color-text-primary);
  padding: 25px 20px; /* Padding más grande que las categorías normales */
  text-align: center;
  min-height: 120px; /* Altura mínima más grande */
  display: flex;
  flex-direction: column;
  justify-content: center;
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--color-border);
  transition: all 0.3s ease;
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: hidden;
}

.major-section-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(to right, var(--color-accent), transparent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}

.major-section-item h3 {
  color: var(--color-text-primary);
  font-size: 1.6em;
  margin: 0 0 10px 0;
  font-weight: 600;
}

.major-section-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-accent);
}

.major-section-item:hover::before {
  transform: scaleX(1);
}

/* Layout para grid de secciones mayores */
.major-section-grid {
  display: grid;
  gap: 25px;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); /* Columnas más anchas */
  margin-top: 30px;
}

/* Información adicional para secciones mayores */
.major-section-item .section-info {
  margin-top: 10px;
  font-size: 0.9em;
  color: var(--color-text-secondary);
}

/* Ajustes responsive para secciones mayores */
@media (max-width: 768px) {
  .major-section-grid {
    grid-template-columns: 1fr; /* Una sola columna en móviles */
    gap: 15px;
  }
  
  .major-section-item {
    padding: 20px 15px;
    min-height: 100px;
  }
}

/* Estilos para mensajes de error y contenido vacío */
.empty-message, 
.error-message,
.empty-collection-message {
  background: linear-gradient(to bottom, var(--color-bg-secondary), rgba(30, 41, 59, 0.8));
  border-radius: var(--border-radius-lg);
  padding: 20px;
  margin: 20px 0;
  text-align: center;
  font-style: italic;
  box-shadow: var(--shadow-md);
}

.empty-message,
.empty-collection-message {
  color: var(--color-text-secondary);
  border: 1px dashed var(--color-border);
}

.error-message {
  color: var(--color-error-text);
  border: 1px solid var(--color-error-bg);
  background: linear-gradient(to right, var(--color-error-bg), rgba(69, 10, 10, 0.7));
}