/* ============================================================
   STREAM RANKING — Estilos Principales
   Diseño oscuro, cinematográfico
   ============================================================ */

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

/* ── Variables ─────────────────────────────────────────────── */
:root {
  --bg-void:       #080A0E;
  --bg-deep:       #0D1117;
  --bg-surface:    #121820;
  --bg-card:       #161D28;
  --bg-elevated:   #1C2535;
  --border:        #1E2D3D;
  --border-glow:   #2A4060;

  --text-primary:  #E8EDF5;
  --text-secondary:#8FA3BF;
  --text-muted:    #3D5272;

  --accent-blue:   #3B82F6;
  --accent-cyan:   #06B6D4;
  --accent-gold:   #F59E0B;
  --accent-purple: #8B5CF6;
  --accent-green:  #10B981;
  --accent-red:    #EF4444;

  /* Plataformas */
  --yt:  #FF0000;
  --fb:  #1877F2;
  --ig:  #E1306C;
  --tt:  #010101;
  --tt2: #69C9D0;

  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  18px;
  --radius-xl:  24px;

  --shadow-sm:  0 2px 8px rgba(0,0,0,.4);
  --shadow-md:  0 4px 20px rgba(0,0,0,.6);
  --shadow-lg:  0 8px 40px rgba(0,0,0,.8);
  --shadow-glow: 0 0 30px rgba(59,130,246,.15);

  --font-display: 'Syne', sans-serif;
  --font-body:    'Space Grotesk', sans-serif;
  --font-mono:    'JetBrains Mono', monospace;

  --transition: .2s cubic-bezier(.4,0,.2,1);
}

/* ── Reset & Base ───────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--bg-void);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.6;
}

/* Grain texture */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 9999;
  opacity: .35;
}

/* ── Header ─────────────────────────────────────────────────── */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(8,10,14,.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 0 32px;
}

.header-inner {
  max-width: 1440px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: -.02em;
}

.logo-icon {
  width: 36px; height: 36px;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
  border-radius: 10px;
  display: grid;
  place-items: center;
  font-size: 1rem;
}

.logo-sub {
  font-size: .7rem;
  font-weight: 400;
  color: var(--text-muted);
  font-family: var(--font-mono);
  letter-spacing: .1em;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.last-updated {
  font-family: var(--font-mono);
  font-size: .72rem;
  color: var(--text-muted);
}

/* ── Botones ────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: .82rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}

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

.btn-primary {
  background: var(--accent-blue);
  border-color: var(--accent-blue);
  color: #fff;
}
.btn-primary:hover { background: #2563eb; }

.btn-danger {
  border-color: var(--accent-red);
  color: var(--accent-red);
}
.btn-danger:hover { background: rgba(239,68,68,.1); }

.btn:disabled {
  opacity: .5;
  cursor: not-allowed;
}

/* ── Layout principal ───────────────────────────────────────── */
.main {
  max-width: 1440px;
  margin: 0 auto;
  padding: 32px;
}

/* ── Hero / Stats cards ─────────────────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 32px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 24px;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--accent-color, var(--accent-blue));
}

.stat-card:hover { border-color: var(--border-glow); transform: translateY(-2px); }

.stat-label {
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.stat-value {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  line-height: 1;
  color: var(--text-primary);
}

.stat-sub {
  font-size: .75rem;
  color: var(--text-muted);
  margin-top: 6px;
}

/* ── Platform Tabs ──────────────────────────────────────────── */
.tabs-section {
  margin-bottom: 24px;
}

.tabs-header {
  display: flex;
  align-items: center;
  gap: 0;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 4px;
  width: fit-content;
  margin-bottom: 24px;
}

.tab-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  border-radius: 8px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-family: var(--font-body);
  font-size: .82rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}

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

.tab-btn.active {
  background: var(--bg-elevated);
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.platform-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
}
.dot-all    { background: var(--accent-blue); }
.dot-yt     { background: var(--yt); }
.dot-fb     { background: var(--fb); }
.dot-ig     { background: var(--ig); }
.dot-tt     { background: var(--tt2); }

/* ── Sección de Ranking ─────────────────────────────────────── */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.section-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 10px;
}

.section-count {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 2px 12px;
  font-size: .75rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.sort-controls {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .8rem;
  color: var(--text-muted);
}

.sort-controls select {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: .8rem;
  padding: 6px 12px;
  cursor: pointer;
}

/* ── Tabla de Ranking ───────────────────────────────────────── */
.ranking-table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: var(--bg-card);
}

.ranking-table {
  width: 100%;
  border-collapse: collapse;
}

.ranking-table thead th {
  background: var(--bg-surface);
  padding: 12px 20px;
  text-align: left;
  font-size: .7rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.ranking-table tbody tr {
  transition: var(--transition);
  border-bottom: 1px solid var(--border);
}

.ranking-table tbody tr:last-child { border-bottom: none; }

.ranking-table tbody tr:hover { background: var(--bg-elevated); }

.ranking-table tbody td {
  padding: 16px 20px;
  vertical-align: middle;
}

/* Número de ranking */
.rank-num {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 800;
  width: 48px;
  text-align: center;
}
.rank-1 { color: var(--accent-gold); }
.rank-2 { color: #94A3B8; }
.rank-3 { color: #CD7F32; }
.rank-other { color: var(--text-muted); font-size: 1rem; }

/* Plataforma badge */
.platform-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: .72rem;
  font-weight: 600;
  white-space: nowrap;
}

.badge-youtube   { background: rgba(255,0,0,.12);   color: var(--yt);  border: 1px solid rgba(255,0,0,.2); }
.badge-facebook  { background: rgba(24,119,242,.12); color: var(--fb);  border: 1px solid rgba(24,119,242,.2); }
.badge-instagram { background: rgba(225,48,108,.12); color: var(--ig);  border: 1px solid rgba(225,48,108,.2); }
.badge-tiktok    { background: rgba(105,201,208,.12);color: var(--tt2); border: 1px solid rgba(105,201,208,.2); }

/* Thumbnail + title */
.stream-info {
  display: flex;
  align-items: center;
  gap: 16px;
  min-width: 280px;
  max-width: 400px;
}

.stream-thumb {
  width: 80px;
  height: 48px;
  border-radius: 6px;
  object-fit: cover;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  flex-shrink: 0;
}

.stream-thumb-placeholder {
  width: 80px; height: 48px;
  border-radius: 6px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  display: grid;
  place-items: center;
  color: var(--text-muted);
  font-size: .9rem;
  flex-shrink: 0;
}

.stream-title {
  font-size: .85rem;
  font-weight: 500;
  line-height: 1.4;
  color: var(--text-primary);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.stream-date {
  font-size: .7rem;
  color: var(--text-muted);
  margin-top: 3px;
  font-family: var(--font-mono);
}

/* Métricas */
.metric {
  font-family: var(--font-mono);
  font-weight: 500;
  white-space: nowrap;
}

.metric-views {
  font-size: 1rem;
  color: var(--text-primary);
}

.metric-sub {
  font-size: .7rem;
  color: var(--text-muted);
  margin-top: 2px;
}

.metric-likes   { color: var(--accent-gold); }
.metric-comments{ color: var(--accent-cyan); }

/* Barra de progreso de vistas */
.views-bar {
  height: 4px;
  background: var(--bg-elevated);
  border-radius: 2px;
  margin-top: 6px;
  overflow: hidden;
  width: 120px;
}

.views-fill {
  height: 100%;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--accent-blue), var(--accent-cyan));
  transition: width .6s ease;
}

/* ── Pie charts / Donut ─────────────────────────────────────── */
.charts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin-bottom: 32px;
}

.chart-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
}

.chart-title {
  font-family: var(--font-display);
  font-size: .9rem;
  font-weight: 700;
  color: var(--text-secondary);
  margin-bottom: 20px;
  text-transform: uppercase;
  letter-spacing: .06em;
}

.platform-breakdown {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.breakdown-item {
  display: flex;
  align-items: center;
  gap: 12px;
}

.breakdown-label {
  font-size: .8rem;
  font-weight: 600;
  width: 90px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 8px;
}

.breakdown-bar-wrap {
  flex: 1;
  height: 8px;
  background: var(--bg-elevated);
  border-radius: 4px;
  overflow: hidden;
}

.breakdown-bar {
  height: 100%;
  border-radius: 4px;
  transition: width 1s ease;
}

.breakdown-val {
  font-family: var(--font-mono);
  font-size: .75rem;
  color: var(--text-muted);
  width: 80px;
  text-align: right;
  flex-shrink: 0;
}

/* ── Estado de carga / error ────────────────────────────────── */
.state-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 60px 40px;
  text-align: center;
}

.state-icon { font-size: 2.5rem; margin-bottom: 16px; }
.state-title { font-family: var(--font-display); font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; }
.state-desc { font-size: .85rem; color: var(--text-muted); line-height: 1.7; }

.loading-spinner {
  width: 40px; height: 40px;
  border: 3px solid var(--border);
  border-top-color: var(--accent-blue);
  border-radius: 50%;
  animation: spin .8s linear infinite;
  margin: 0 auto 20px;
}

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

/* Error alert */
.error-list {
  background: rgba(239,68,68,.06);
  border: 1px solid rgba(239,68,68,.2);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  margin-bottom: 24px;
}
.error-list-title {
  color: var(--accent-red);
  font-size: .78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .1em;
  margin-bottom: 10px;
}
.error-item {
  font-size: .78rem;
  color: var(--text-secondary);
  padding: 4px 0;
  display: flex;
  gap: 8px;
  align-items: start;
}
.error-item::before { content: '⚠'; flex-shrink: 0; }

/* ── Config banner ──────────────────────────────────────────── */
.config-banner {
  background: rgba(245,158,11,.06);
  border: 1px solid rgba(245,158,11,.25);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  margin-bottom: 28px;
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: .82rem;
  color: var(--text-secondary);
}
.config-banner strong { color: var(--accent-gold); }

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .main { padding: 20px; }
}

@media (max-width: 768px) {
  .header { padding: 0 16px; }
  .main { padding: 16px; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .tabs-header { flex-wrap: wrap; }
  .stream-info { min-width: 200px; max-width: 260px; }
  .section-header { flex-direction: column; align-items: flex-start; gap: 12px; }
}

@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr; }
  .last-updated { display: none; }
}

/* ── Animaciones de entrada ─────────────────────────────────── */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

.fade-in { animation: fadeInUp .4s ease both; }

.ranking-table tbody tr {
  animation: fadeInUp .3s ease both;
}

.ranking-table tbody tr:nth-child(1)  { animation-delay: .05s; }
.ranking-table tbody tr:nth-child(2)  { animation-delay: .10s; }
.ranking-table tbody tr:nth-child(3)  { animation-delay: .15s; }
.ranking-table tbody tr:nth-child(4)  { animation-delay: .20s; }
.ranking-table tbody tr:nth-child(5)  { animation-delay: .25s; }
.ranking-table tbody tr:nth-child(n+6){ animation-delay: .30s; }