/* ========================================
   ENTV.ONLINE - Televisión en Español
   Plataforma de Streaming Gratuita
   ======================================== */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Space+Grotesk:wght@400;500;600;700&display=swap');

:root {
  /* Colores principales */
  --primary: #ff3366;
  --primary-dark: #cc1a4d;
  --primary-light: #ff5c8a;
  --secondary: #6366f1;
  --accent: #22d3ee;
  
  /* Fondos */
  --bg-dark: #0a0a0f;
  --bg-card: #12121a;
  --bg-card-hover: #1a1a25;
  --bg-surface: #16161f;
  
  /* Textos */
  --text-primary: #ffffff;
  --text-secondary: #a1a1aa;
  --text-muted: #71717a;
  
  /* Gradientes */
  --gradient-primary: linear-gradient(135deg, #ff3366 0%, #ff6b6b 50%, #feca57 100%);
  --gradient-card: linear-gradient(145deg, rgba(255,255,255,0.05) 0%, rgba(255,255,255,0) 100%);
  --gradient-glow: radial-gradient(circle at 50% 0%, rgba(255,51,102,0.15) 0%, transparent 50%);
  
  /* Bordes y sombras */
  --border-color: rgba(255,255,255,0.08);
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
  --shadow-md: 0 8px 30px rgba(0,0,0,0.4);
  --shadow-lg: 0 20px 60px rgba(0,0,0,0.5);
  --shadow-glow: 0 0 40px rgba(255,51,102,0.3);
  
  /* Espaciado */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  
  /* Bordes */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  
  /* Transiciones */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* Reset y base */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: 'Outfit', sans-serif;
  background: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

/* Fondo animado */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 100vh;
  background: var(--gradient-glow);
  pointer-events: none;
  z-index: -1;
}

/* Scrollbar personalizado */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-dark);
}

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

::-webkit-scrollbar-thumb:hover {
  background: var(--primary-light);
}

/* ========================================
   HEADER
   ======================================== */

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: var(--space-sm) var(--space-lg);
  background: rgba(10, 10, 15, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition-normal);
}

.header.scrolled {
  background: rgba(10, 10, 15, 0.95);
  box-shadow: var(--shadow-md);
}

.header-content {
  max-width: 1600px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  text-decoration: none;
  flex-shrink: 0;
}

.logo-icon {
  width: 48px;
  height: 48px;
  background: var(--gradient-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  box-shadow: var(--shadow-glow);
}

.logo-text {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.75rem;
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.logo-tagline {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-top: 2px;
}

/* Buscador */
.search-container {
  flex: 1;
  max-width: 500px;
  position: relative;
}

.search-input {
  width: 100%;
  padding: 0.875rem 1.25rem 0.875rem 3rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  color: var(--text-primary);
  font-size: 0.95rem;
  font-family: inherit;
  transition: var(--transition-normal);
}

.search-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(255, 51, 102, 0.2);
}

.search-input::placeholder {
  color: var(--text-muted);
}

.search-icon {
  position: absolute;
  left: 1.25rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 1.1rem;
}

/* Navegación */
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.nav-link {
  padding: 0.625rem 1rem;
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.9rem;
  border-radius: var(--radius-md);
  transition: var(--transition-fast);
}

.nav-link:hover {
  color: var(--text-primary);
  background: rgba(255,255,255,0.05);
}

.nav-link.active {
  color: var(--primary);
  background: rgba(255, 51, 102, 0.1);
}

/* ========================================
   MAIN CONTENT
   ======================================== */

.main {
  padding-top: 100px;
  min-height: 100vh;
}

.container {
  max-width: 1600px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

/* Hero Section */
.hero {
  padding: var(--space-xl) 0;
  text-align: center;
  position: relative;
}

.hero::before {
  content: '';
  position: absolute;
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(255,51,102,0.1) 0%, transparent 70%);
  pointer-events: none;
}

.hero-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: var(--space-md);
}

.hero-title span {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto var(--space-lg);
}

/* Stats */
.stats {
  display: flex;
  justify-content: center;
  gap: var(--space-xl);
  flex-wrap: wrap;
  margin-bottom: var(--space-xl);
}

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

.stat-number {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary);
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ========================================
   FILTROS
   ======================================== */

.filters-section {
  margin-bottom: var(--space-xl);
}

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

.filters-title {
  font-size: 1.25rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.view-toggle {
  display: flex;
  gap: var(--space-xs);
}

.view-btn {
  padding: 0.5rem 0.75rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition-fast);
}

.view-btn:hover, .view-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: white;
}

/* Filtros de países */
.country-filters {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  padding-bottom: var(--space-sm);
  margin-bottom: var(--space-md);
  scrollbar-width: thin;
}

.country-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 1rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-family: inherit;
  cursor: pointer;
  white-space: nowrap;
  transition: var(--transition-fast);
}

.country-btn:hover {
  border-color: var(--primary);
  color: var(--text-primary);
}

.country-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: white;
}

.country-btn .flag {
  font-size: 1.1rem;
}

/* Filtros de categorías */
.category-filters {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  padding-bottom: var(--space-sm);
  scrollbar-width: thin;
}

.category-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 1.25rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-family: inherit;
  cursor: pointer;
  white-space: nowrap;
  transition: var(--transition-fast);
}

.category-btn:hover {
  border-color: var(--secondary);
  color: var(--text-primary);
}

.category-btn.active {
  background: var(--secondary);
  border-color: var(--secondary);
  color: white;
}

.category-btn .icon {
  font-size: 1rem;
}

/* ========================================
   GRID DE CANALES
   ======================================== */

.channels-section {
  margin-bottom: var(--space-xl);
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-md);
}

.section-title {
  font-size: 1.5rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.channels-count {
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 400;
}

.channels-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-md);
}

.channels-grid.list-view {
  grid-template-columns: 1fr;
}

/* Card de canal */
.channel-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  transition: var(--transition-normal);
  position: relative;
}

.channel-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
  opacity: 0;
  transition: var(--transition-fast);
}

.channel-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 51, 102, 0.3);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.channel-card:hover::before {
  opacity: 1;
}

.channel-thumb {
  position: relative;
  aspect-ratio: 16/9;
  background: var(--bg-surface);
  overflow: hidden;
}

.channel-thumb img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: var(--space-md);
  background: linear-gradient(145deg, var(--bg-surface) 0%, var(--bg-card) 100%);
}

.live-badge {
  position: absolute;
  top: var(--space-sm);
  left: var(--space-sm);
  display: flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.375rem 0.75rem;
  background: rgba(239, 68, 68, 0.9);
  backdrop-filter: blur(4px);
  border-radius: var(--radius-sm);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.live-dot {
  width: 6px;
  height: 6px;
  background: white;
  border-radius: 50%;
  animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

.channel-country {
  position: absolute;
  top: var(--space-sm);
  right: var(--space-sm);
  padding: 0.375rem 0.625rem;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  border-radius: var(--radius-sm);
  font-size: 1rem;
}

.channel-info {
  padding: var(--space-md);
}

.channel-name {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.375rem;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.channel-meta {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.8rem;
  color: var(--text-muted);
}

.channel-category {
  padding: 0.25rem 0.625rem;
  background: rgba(99, 102, 241, 0.2);
  color: var(--secondary);
  border-radius: var(--radius-sm);
  font-size: 0.7rem;
  font-weight: 500;
}

.channel-region {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

/* Vista lista */
.channels-grid.list-view .channel-card {
  display: flex;
  align-items: center;
}

.channels-grid.list-view .channel-thumb {
  width: 200px;
  flex-shrink: 0;
  aspect-ratio: 16/9;
}

.channels-grid.list-view .channel-info {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.channels-grid.list-view .channel-name {
  margin-bottom: 0;
}

/* ========================================
   REPRODUCTOR
   ======================================== */

.player-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.95);
  backdrop-filter: blur(10px);
  z-index: 2000;
  display: none;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.player-overlay.active {
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 1;
}

.player-container {
  width: 100%;
  max-width: 1200px;
  margin: 0 var(--space-lg);
  animation: slideUp 0.4s ease;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.player-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-md);
}

.player-title {
  font-size: 1.5rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.close-btn {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 50%;
  color: var(--text-secondary);
  font-size: 1.5rem;
  cursor: pointer;
  transition: var(--transition-fast);
}

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

.player-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 16/9;
  background: #000;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.player-wrapper iframe {
  width: 100%;
  height: 100%;
  border: none;
}

.player-info {
  margin-top: var(--space-md);
  padding: var(--space-md);
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
}

.player-description {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: var(--space-sm);
}

.player-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.player-tag {
  padding: 0.375rem 0.75rem;
  background: var(--bg-surface);
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ========================================
   FOOTER
   ======================================== */

.footer {
  background: var(--bg-card);
  border-top: 1px solid var(--border-color);
  padding: var(--space-xl) 0 var(--space-lg);
  margin-top: var(--space-xl);
}

.footer-content {
  max-width: 1600px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.footer-top {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}

.footer-brand {
  max-width: 300px;
}

.footer-brand .logo {
  margin-bottom: var(--space-sm);
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-links h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
  color: var(--text-primary);
}

.footer-links ul {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.5rem;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: var(--transition-fast);
}

.footer-links a:hover {
  color: var(--primary);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-lg);
  border-top: 1px solid var(--border-color);
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.footer-copy {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.footer-social {
  display: flex;
  gap: var(--space-sm);
}

.social-link {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 50%;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 1.1rem;
  transition: var(--transition-fast);
}

.social-link:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: white;
}

/* ========================================
   ESTADOS VACÍOS
   ======================================== */

.empty-state {
  text-align: center;
  padding: var(--space-xl) * 2;
}

.empty-icon {
  font-size: 4rem;
  margin-bottom: var(--space-md);
  opacity: 0.5;
}

.empty-title {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.empty-text {
  color: var(--text-muted);
  margin-bottom: var(--space-lg);
}

.empty-btn {
  padding: 0.875rem 1.5rem;
  background: var(--primary);
  border: none;
  border-radius: var(--radius-md);
  color: white;
  font-size: 0.95rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: var(--transition-fast);
}

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

/* ========================================
   LOADER
   ======================================== */

.loader {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-xl);
}

.loader-spinner {
  width: 48px;
  height: 48px;
  border: 3px solid var(--border-color);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

/* ========================================
   RESPONSIVE
   ======================================== */

@media (max-width: 1024px) {
  .header-content {
    flex-wrap: wrap;
  }
  
  .search-container {
    order: 3;
    flex: none;
    width: 100%;
    margin-top: var(--space-sm);
  }
  
  .nav-links {
    display: none;
  }
}

@media (max-width: 768px) {
  :root {
    --space-lg: 1.5rem;
    --space-xl: 2rem;
  }
  
  .header {
    padding: var(--space-sm);
  }
  
  .logo-text {
    font-size: 1.5rem;
  }
  
  .logo-tagline {
    display: none;
  }
  
  .hero-title {
    font-size: 1.75rem;
  }
  
  .stats {
    gap: var(--space-lg);
  }
  
  .stat-number {
    font-size: 2rem;
  }
  
  .channels-grid {
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  }
  
  .player-container {
    margin: 0 var(--space-sm);
  }
  
  .player-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-sm);
  }
  
  .close-btn {
    position: absolute;
    top: var(--space-sm);
    right: var(--space-sm);
  }
  
  .footer-top {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .channels-grid {
    grid-template-columns: 1fr;
  }
  
  .country-filters, .category-filters {
    gap: 0.375rem;
  }
  
  .country-btn, .category-btn {
    padding: 0.5rem 0.75rem;
    font-size: 0.8rem;
  }
}

/* ========================================
   ANIMACIONES
   ======================================== */

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

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

.stagger-1 { animation-delay: 0.1s; }
.stagger-2 { animation-delay: 0.2s; }
.stagger-3 { animation-delay: 0.3s; }
.stagger-4 { animation-delay: 0.4s; }
.stagger-5 { animation-delay: 0.5s; }