/* VideoChat Global — Sala de Videochat */
/* Estilo oscuro profesional coherente con la landing */

:root {
  --bg-primary: #0a0a1a;
  --bg-secondary: #12122a;
  --bg-card: #1a1a3a;
  --bg-hover: #252550;
  --text-primary: #ffffff;
  --text-secondary: #b0b0d0;
  --text-muted: #6a6a8a;
  --accent: #6c5ce7;
  --accent-light: #a29bfe;
  --accent-dark: #4a3fb5;
  --success: #00cec9;
  --warning: #fdcb6e;
  --danger: #ff6b6b;
  --border: #2a2a4a;
  --gradient: linear-gradient(135deg, #6c5ce7 0%, #00cec9 100%);
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
}

/* ============ PÁGINA CREAR SALA ============ */

.create-container {
  max-width: 540px;
  margin: 0 auto;
  padding: 40px 20px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.create-logo {
  text-align: center;
  margin-bottom: 40px;
}

.create-logo h1 {
  font-size: 2rem;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 8px;
}

.create-logo p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.create-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px;
  box-shadow: var(--shadow);
}

.create-card h2 {
  font-size: 1.3rem;
  margin-bottom: 24px;
  color: var(--text-primary);
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 6px;
  font-weight: 500;
}

.form-group input,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text-primary);
  font-size: 1rem;
  outline: none;
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus {
  border-color: var(--accent);
}

.form-group select option {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

.plan-selector {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 20px;
}

.plan-option {
  background: var(--bg-secondary);
  border: 2px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  cursor: pointer;
  transition: all 0.2s;
  text-align: center;
}

.plan-option:hover {
  border-color: var(--accent-light);
}

.plan-option.selected {
  border-color: var(--accent);
  background: rgba(108, 92, 231, 0.1);
}

.plan-option .plan-name {
  font-weight: 600;
  font-size: 1rem;
  margin-bottom: 4px;
}

.plan-option .plan-detail {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.plan-option .plan-price {
  font-size: 0.75rem;
  color: var(--accent-light);
  margin-top: 4px;
  font-weight: 600;
}

.plan-option.locked {
  opacity: 0.6;
  position: relative;
}

.plan-option.locked:hover {
  border-color: var(--warning);
  opacity: 0.85;
}

.plan-option.locked::after {
  content: 'Contratar';
  position: absolute;
  bottom: 6px;
  right: 8px;
  font-size: 0.65rem;
  color: var(--warning);
  font-weight: 600;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border: none;
  border-radius: 12px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
}

.btn-primary {
  background: var(--gradient);
  color: white;
  width: 100%;
}

.btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.btn-secondary {
  background: var(--bg-hover);
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  background: var(--bg-card);
}

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

.btn-sm {
  padding: 8px 16px;
  font-size: 0.85rem;
  border-radius: 8px;
}

.share-box {
  display: none;
  margin-top: 24px;
  padding: 20px;
  background: rgba(0, 206, 201, 0.08);
  border: 1px solid rgba(0, 206, 201, 0.3);
  border-radius: 12px;
}

.share-box.visible {
  display: block;
}

.share-box h3 {
  color: var(--success);
  margin-bottom: 12px;
  font-size: 1.1rem;
}

.share-link {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}

.share-link input {
  flex: 1;
  padding: 10px 14px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 0.9rem;
}

.share-link button {
  padding: 10px 16px;
  background: var(--success);
  border: none;
  border-radius: 8px;
  color: white;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
}

.error-msg {
  color: var(--danger);
  font-size: 0.85rem;
  margin-top: 8px;
  display: none;
}

.error-msg.visible {
  display: block;
}

.info-msg {
  color: var(--text-muted);
  font-size: 0.8rem;
  margin-top: 6px;
}

/* ============ SALA DE VIDEOCHAT ============ */

.room-container {
  height: 100vh;
  display: grid;
  grid-template-rows: 56px 1fr auto auto;
  overflow: hidden;
}

/* Barra superior */
.room-header {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  gap: 12px;
}

.room-header .room-info {
  display: flex;
  align-items: center;
  gap: 10px;
}

.room-header .room-name {
  font-weight: 600;
  font-size: 1rem;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.room-header .room-participants {
  font-size: 0.8rem;
  color: var(--text-muted);
  background: var(--bg-card);
  padding: 4px 10px;
  border-radius: 20px;
}

.room-header .room-actions {
  display: flex;
  gap: 8px;
  align-items: center;
}

.room-header .my-lang {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  color: var(--accent-light);
}

.room-header .my-lang select {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-primary);
  padding: 4px 8px;
  font-size: 0.8rem;
}

/* Grid de videos */
.video-grid {
  display: grid;
  gap: 4px;
  padding: 4px;
  background: var(--bg-primary);
  overflow: hidden;
}

.video-grid.p1 { grid-template-columns: 1fr; }
.video-grid.p2 { grid-template-columns: 1fr 1fr; }
.video-grid.p3 { grid-template-columns: 1fr 1fr; grid-template-rows: 1fr 1fr; }
.video-grid.p4 { grid-template-columns: 1fr 1fr; grid-template-rows: 1fr 1fr; }
.video-grid.p5,
.video-grid.p6 { grid-template-columns: 1fr 1fr 1fr; grid-template-rows: 1fr 1fr; }
.video-grid.p7,
.video-grid.p8 { grid-template-columns: 1fr 1fr 1fr 1fr; grid-template-rows: 1fr 1fr; }

.video-tile {
  position: relative;
  background: var(--bg-card);
  border-radius: 12px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 0;
}

.video-tile video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 12px;
}

.video-tile .participant-label {
  position: absolute;
  bottom: 8px;
  left: 8px;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  padding: 4px 12px;
  border-radius: 8px;
  font-size: 0.8rem;
  display: flex;
  align-items: center;
  gap: 6px;
}

.video-tile .participant-label .lang-badge {
  font-size: 0.7rem;
  background: var(--accent);
  padding: 2px 6px;
  border-radius: 4px;
}

.video-tile .no-video {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
}

.video-tile .no-video .avatar {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--bg-hover);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--accent-light);
}

.video-tile.speaking {
  outline: 3px solid var(--success);
  outline-offset: -3px;
}

.video-tile .muted-icon {
  position: absolute;
  top: 8px;
  right: 8px;
  background: rgba(255, 107, 107, 0.8);
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
}

/* Zona de subtítulos */
.subtitles-area {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 12px 16px;
  min-height: 80px;
  max-height: 120px;
  overflow-y: auto;
}

.subtitle-line {
  margin-bottom: 6px;
  animation: fadeInUp 0.3s ease-out;
}

.subtitle-line .subtitle-original {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.subtitle-line .subtitle-speaker {
  font-weight: 600;
  color: var(--accent-light);
}

.subtitle-line .subtitle-translation {
  font-size: 1.05rem;
  color: var(--text-primary);
  margin-top: 2px;
}

.subtitle-line.fading {
  opacity: 0;
  transition: opacity 1s ease-out;
}

/* Barra de controles */
.controls-bar {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 12px 16px;
}

.control-btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: none;
  background: var(--bg-card);
  color: var(--text-primary);
  font-size: 1.2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
  position: relative;
}

.control-btn:hover {
  background: var(--bg-hover);
  transform: scale(1.05);
}

.control-btn.active {
  background: var(--accent);
  color: white;
}

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

.control-btn.leave {
  background: var(--danger);
  color: white;
  width: 56px;
  border-radius: 28px;
}

.control-btn .tooltip {
  position: absolute;
  bottom: 56px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-primary);
  color: var(--text-secondary);
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 0.75rem;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
}

.control-btn:hover .tooltip {
  opacity: 1;
}

/* ============ PANTALLA DE ENTRADA (JOIN) ============ */

.join-overlay {
  position: fixed;
  inset: 0;
  background: var(--bg-primary);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
}

.join-overlay.hidden {
  display: none;
}

.join-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 40px;
  width: 90%;
  max-width: 420px;
  box-shadow: var(--shadow);
  text-align: center;
}

.join-card h2 {
  font-size: 1.5rem;
  margin-bottom: 8px;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.join-card .room-detail {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 24px;
}

.join-card .preview-video {
  width: 100%;
  aspect-ratio: 4/3;
  background: var(--bg-secondary);
  border-radius: 12px;
  margin-bottom: 20px;
  overflow: hidden;
}

.join-card .preview-video video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 12px;
  transform: scaleX(-1);
}

.join-card .preview-controls {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 20px;
}

/* ============ NOTIFICACIONES / ALERTAS ============ */

.toast {
  position: fixed;
  top: 20px;
  right: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 20px;
  color: var(--text-primary);
  font-size: 0.9rem;
  z-index: 200;
  box-shadow: var(--shadow);
  animation: slideInRight 0.3s ease-out;
  max-width: 360px;
}

.toast.error { border-color: var(--danger); }
.toast.success { border-color: var(--success); }
.toast.warning { border-color: var(--warning); }

/* ============ COMPATIBILIDAD ============ */

.compat-warning {
  position: fixed;
  inset: 0;
  background: var(--bg-primary);
  z-index: 300;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 20px;
}

.compat-warning.hidden { display: none; }

.compat-warning h2 {
  font-size: 1.5rem;
  margin-bottom: 16px;
  color: var(--warning);
}

.compat-warning p {
  color: var(--text-secondary);
  max-width: 500px;
  line-height: 1.6;
}

/* ============ SPINNER ============ */

.spinner {
  width: 32px;
  height: 32px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

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

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(40px); }
  to { opacity: 1; transform: translateX(0); }
}

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

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* ============ DEMO TIMER ============ */

.demo-timer {
  position: fixed;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 150;
  background: rgba(10, 10, 26, 0.9);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 6px 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  font-variant-numeric: tabular-nums;
}

.demo-timer.hidden { display: none; }

.demo-timer.warning { border-color: var(--warning); color: var(--warning); }
.demo-timer.warning svg { stroke: var(--warning); }

.demo-timer.danger { border-color: var(--danger); color: var(--danger); animation: pulse 1s infinite; }
.demo-timer.danger svg { stroke: var(--danger); }

.demo-timer-label {
  font-size: 0.65rem;
  background: var(--accent);
  color: white;
  padding: 2px 6px;
  border-radius: 4px;
  font-weight: 700;
  letter-spacing: 0.5px;
}

/* ============ DEMO UPGRADE OVERLAY ============ */

.demo-upgrade-overlay {
  position: fixed;
  inset: 0;
  z-index: 500;
  background: rgba(10, 10, 26, 0.95);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  animation: fadeInUp 0.5s ease-out;
}

.demo-upgrade-overlay.hidden { display: none; }

.demo-upgrade-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 48px 40px;
  max-width: 440px;
  width: 100%;
  text-align: center;
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.5);
}

.demo-upgrade-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 20px;
  background: rgba(108, 92, 231, 0.15);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.demo-upgrade-icon svg { stroke: var(--accent); }

.demo-upgrade-card h2 {
  font-size: 1.5rem;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.demo-upgrade-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 28px;
}

.demo-upgrade-plans {
  margin-top: 8px;
}

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

@media (max-width: 768px) {
  .room-header {
    padding: 0 10px;
    gap: 8px;
  }

  .room-header .room-name {
    font-size: 0.85rem;
  }

  .video-grid.p2 { grid-template-columns: 1fr; grid-template-rows: 1fr 1fr; }
  .video-grid.p3,
  .video-grid.p4 { grid-template-columns: 1fr 1fr; }

  .controls-bar {
    gap: 8px;
    padding: 10px;
  }

  .control-btn {
    width: 42px;
    height: 42px;
    font-size: 1rem;
  }

  .subtitles-area {
    min-height: 60px;
    padding: 8px 12px;
  }

  .create-container {
    padding: 20px 16px;
  }

  .create-card {
    padding: 24px 20px;
  }

  .join-card {
    padding: 28px 24px;
  }
}

@media (max-width: 480px) {
  .plan-selector {
    grid-template-columns: 1fr;
  }

  .room-header .room-actions {
    gap: 4px;
  }
}