/**
 * EPG24 Modern Dark Theme
 * Netflix/Streaming-inspired Design
 */

:root {
  /* === COLOR PALETTE === */

  /* Background Colors */
  --bg-primary: #0f0f23;
  --bg-secondary: #1a1a2e;
  --bg-elevated: #252545;
  --bg-hover: #2d2d4a;

  /* Accent Colors */
  --accent-primary: #6366f1;
  --accent-primary-hover: #4f46e5;
  --accent-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --accent-live: #ef4444;
  --accent-success: #10b981;
  --accent-warning: #f59e0b;

  /* Neon Accents */
  --neon-purple: #a855f7;
  --neon-blue: #3b82f6;
  --neon-pink: #ec4899;

  /* Text Colors */
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-dim: #475569;

  /* Glass Morphism */
  --glass-bg: rgba(255, 255, 255, 0.05);
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-blur: 10px;

  /* === SPACING SCALE === */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;

  /* === BORDER RADIUS === */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-2xl: 20px;
  --radius-full: 9999px;

  /* === SHADOWS === */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.5);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.6);
  --shadow-2xl: 0 25px 50px rgba(0, 0, 0, 0.7);
  --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.3);

  /* === TRANSITIONS === */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;

  /* === Z-INDEX SCALE === */
  --z-base: 0;
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal: 1040;
  --z-popover: 1050;
  --z-tooltip: 1060;
}

/* === GLOBAL STYLES === */

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  overflow: hidden;
}

/* === NAVIGATION === */

.navbar {
  background: rgba(26, 26, 46, 0.8);
  backdrop-filter: blur(var(--glass-blur));
  border-bottom: 1px solid var(--glass-border);
  box-shadow: var(--shadow-md);
}

.navbar-brand {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 700;
  font-size: 1.75rem;
}

.nav-link {
  color: var(--text-secondary) !important;
  transition: color var(--transition-base);
  font-weight: 500;
}

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

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

/* === CARDS === */

.card {
  background: var(--bg-secondary);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
}

.card:hover {
  background: var(--bg-elevated);
  border-color: var(--accent-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.card-body {
  color: var(--text-primary);
}

/* === EVENT CARDS === */

.event-card {
  background: var(--bg-secondary);
  border-left: 4px solid var(--accent-primary);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.event-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.05) 0%, transparent 100%);
  opacity: 0;
  transition: opacity var(--transition-base);
}

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

.event-card:hover {
  transform: translateY(-4px) scale(1.01);
  box-shadow: var(--shadow-xl), var(--shadow-glow);
  border-left-color: var(--neon-blue);
}

.event-card.running {
  border-left-color: var(--accent-live);
  background: linear-gradient(135deg, rgba(239, 68, 68, 0.05) 0%, var(--bg-secondary) 100%);
}

.event-card.soon {
  border-left-color: var(--accent-warning);
}

/* === LIVE INDICATOR === */

.badge.bg-success,
.live-badge {
  background: var(--accent-live) !important;
  animation: pulse-live 2s ease-in-out infinite;
  position: relative;
  padding-left: 1.5rem;
}

.badge.bg-success::before,
.live-badge::before {
  content: '';
  position: absolute;
  left: 0.5rem;
  top: 50%;
  transform: translateY(-50%);
  width: 8px;
  height: 8px;
  background: white;
  border-radius: 50%;
  animation: blink 1s ease-in-out infinite;
}

@keyframes pulse-live {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.7);
  }
  50% {
    box-shadow: 0 0 0 8px rgba(239, 68, 68, 0);
  }
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

/* === BADGES === */

.badge {
  padding: 0.375rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge-genre {
  background: linear-gradient(135deg, var(--accent-primary) 0%, var(--neon-purple) 100%);
  border: none;
}

.badge.bg-primary {
  background: var(--accent-primary) !important;
}

.badge.bg-warning {
  background: var(--accent-warning) !important;
}

.badge.bg-info {
  background: var(--neon-blue) !important;
}

.badge.bg-secondary {
  background: var(--text-dim) !important;
}

.provider-badge {
  background: var(--glass-bg) !important;
  color: var(--text-secondary) !important;
  border: 1px solid var(--glass-border);
}

/* === PROGRESS BAR === */

.progress {
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-live {
  height: 6px;
  background: linear-gradient(
    90deg,
    var(--accent-live) 0%,
    #ff6b6b 50%,
    var(--accent-live) 100%
  );
  background-size: 200% 100%;
  animation: shimmer 2s ease-in-out infinite;
}

@keyframes shimmer {
  0% { background-position: -200% center; }
  100% { background-position: 200% center; }
}

.progress-bar {
  background: var(--accent-primary);
  transition: width var(--transition-base);
}

/* === TYPOGRAPHY === */

.event-time {
  color: var(--accent-primary);
  font-weight: 600;
  font-size: 1rem;
}

.event-title {
  color: var(--text-primary);
  font-weight: 600;
  font-size: 1.125rem;
  transition: color var(--transition-base);
  cursor: pointer;
}

.event-title:hover {
  color: var(--accent-primary);
}

.event-description {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  line-height: 1.5;
}

.event-channel {
  color: var(--text-muted);
  font-size: 0.875rem;
}

.text-muted {
  color: var(--text-muted) !important;
}

.text-secondary {
  color: var(--text-secondary) !important;
}

.section-title {
  color: var(--text-primary);
  font-weight: 600;
  border-bottom: 2px solid var(--accent-primary);
  padding-bottom: var(--space-sm);
  margin-bottom: var(--space-lg);
}

/* === BUTTONS === */

.btn-primary {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
  color: white;
  font-weight: 600;
  transition: all var(--transition-base);
}

.btn-primary:hover {
  background: var(--accent-primary-hover);
  border-color: var(--accent-primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 16px rgba(99, 102, 241, 0.3);
}

.btn-outline-primary {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
}

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

.btn-outline-secondary {
  border-color: var(--glass-border);
  color: var(--text-secondary);
  background: var(--glass-bg);
}

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

/* === FORMS === */

.form-control,
.form-select {
  background: var(--bg-elevated);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
}

.form-control:focus,
.form-select:focus {
  background: var(--bg-elevated);
  border-color: var(--accent-primary);
  color: var(--text-primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.form-control::placeholder {
  color: var(--text-muted);
}

/* === FOOTER === */

.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--glass-border);
  color: var(--text-secondary);
}

.footer a {
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

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

/* === ALERTS === */

.alert-info {
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.3);
  color: var(--neon-blue);
}

.alert-warning {
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.3);
  color: var(--accent-warning);
}

.alert-secondary {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-secondary);
}

/* === DROPDOWN === */

.dropdown-menu {
  background: var(--bg-elevated);
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-xl);
  border-radius: var(--radius-md);
}

.dropdown-item {
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.dropdown-item:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

/* === PAGINATION === */

.pagination .page-link {
  background: var(--bg-secondary);
  border-color: var(--glass-border);
  color: var(--text-secondary);
}

.pagination .page-link:hover {
  background: var(--bg-elevated);
  border-color: var(--accent-primary);
  color: var(--accent-primary);
}

.pagination .page-item.active .page-link {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
  color: white;
}

.pagination .page-item.disabled .page-link {
  background: var(--bg-secondary);
  border-color: var(--glass-border);
  color: var(--text-dim);
}

/* === STAT CARDS === */

.stat-card {
  background: linear-gradient(135deg, var(--bg-elevated) 0%, var(--bg-secondary) 100%);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  text-align: center;
  transition: all var(--transition-base);
}

.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.stat-card .stat-value {
  color: var(--accent-primary);
  font-size: 2.5rem;
  font-weight: 700;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-card .stat-label {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* === SCROLLBAR === */

::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

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

::-webkit-scrollbar-thumb {
  background: var(--bg-elevated);
  border-radius: var(--radius-full);
}

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

/* === SMOOTH SCROLL === */

html {
  scroll-behavior: smooth;
}

/* === LOADING SKELETON === */

@keyframes skeleton-loading {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

.skeleton-line {
  height: 1rem;
  background: linear-gradient(
    90deg,
    var(--bg-secondary) 25%,
    var(--bg-elevated) 50%,
    var(--bg-secondary) 75%
  );
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s ease-in-out infinite;
  border-radius: var(--radius-sm);
  margin: var(--space-sm) 0;
}

/* === RESPONSIVE === */

@media (max-width: 768px) {
  .stat-card .stat-value {
    font-size: 2rem;
  }

  .navbar-brand {
    font-size: 1.5rem;
  }

  .event-title {
    font-size: 1rem;
  }
}