/* ==========================================================================
   Webinar Platform - Leaside Business School Official Theme
   Paleta: Deep Navy (#040C6B), Crimson Red (#E80A0A), Clean White (#FFFFFF), Slate (#F8FAFC)
   ========================================================================== */

:root {
  --leaside-navy: #040C6B;
  --leaside-navy-dark: #020745;
  --leaside-navy-light: #0d1e8c;
  --leaside-red: #E80A0A;
  --leaside-red-dark: #c40808;
  --leaside-red-light: #ff3333;
  --leaside-bg: #f8fafc;
  --leaside-surface: #ffffff;
  --leaside-auditorium: #050c26;
  --leaside-card-border: #e2e8f0;
}

/* Base and Typography */
body {
  background-color: var(--leaside-bg);
  color: #1e293b;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* Custom Scrollbar Leaside Theme */
::-webkit-scrollbar {
  width: 7px;
  height: 7px;
}
::-webkit-scrollbar-track {
  background: #f1f5f9;
}
::-webkit-scrollbar-thumb {
  background: #cbd5e1;
  border-radius: 9999px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--leaside-navy);
}

/* Video Responsive 16:9 Container */
.aspect-16-9 {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%; /* 16:9 */
  overflow: hidden;
  background-color: #020512;
}

.aspect-16-9 iframe,
.aspect-16-9 .video-content {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

/* YouTube Live Chat Iframe - Fix para letras invisibles en iframe */
#yt-live-chat-iframe {
  width: 100%;
  height: 100%;
  border: 0;
  color-scheme: dark;
  background-color: #0f0f0f;
}

#yt-live-chat-iframe.chat-theme-light {
  color-scheme: light;
  background-color: #ffffff;
}

/* Live Pulse Beacon (Leaside Red) */
@keyframes leaside-live-pulse {
  0% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(232, 10, 10, 0.7);
  }
  70% {
    transform: scale(1.05);
    box-shadow: 0 0 0 8px rgba(232, 10, 10, 0);
  }
  100% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(232, 10, 10, 0);
  }
}

.leaside-live-beacon {
  animation: leaside-live-pulse 1.8s infinite cubic-bezier(0.4, 0, 0.6, 1);
}

/* Floating Emoji Reactions */
@keyframes float-reaction {
  0% {
    opacity: 1;
    transform: translateY(0) scale(0.8) rotate(0deg);
  }
  50% {
    opacity: 0.95;
    transform: translateY(-40px) scale(1.25) rotate(-6deg);
  }
  100% {
    opacity: 0;
    transform: translateY(-85px) scale(1.4) rotate(6deg);
  }
}

.floating-reaction-item {
  position: absolute;
  pointer-events: none;
  font-size: 1.5rem;
  animation: float-reaction 1.2s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
  z-index: 50;
}

/* Leaside Cards & Panels */
.leaside-card {
  background-color: #ffffff;
  border: 1px solid var(--leaside-card-border);
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.05);
}

.leaside-card:hover {
  transform: translateY(-3px);
  border-color: #cbd5e1;
  box-shadow: 0 12px 24px -4px rgba(4, 12, 107, 0.12);
}

/* Card Thumbnail Overlay */
.card-thumbnail-wrap {
  position: relative;
  overflow: hidden;
  background-color: #0b1120;
}

.card-thumbnail-wrap img {
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.leaside-card:hover .card-thumbnail-wrap img {
  transform: scale(1.05);
}

.card-play-overlay {
  background: rgba(4, 12, 107, 0.6);
  backdrop-filter: blur(2px);
  transition: opacity 0.2s ease;
}

/* Modal and Drawer Transitions */
.modal-backdrop {
  background-color: rgba(2, 7, 30, 0.75);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

/* Studio Drawer Slide-Over */
.drawer-panel {
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.drawer-closed {
  transform: translateX(100%);
}

.drawer-open {
  transform: translateX(0);
}

/* Live Chat Container Height */
.live-chat-frame-wrap {
  min-height: 500px;
  height: 100%;
}

@media (max-width: 1024px) {
  .live-chat-frame-wrap {
    min-height: 440px;
    height: 440px;
  }
}