/* EAE Broadcasting - Education Station (CHALKBOARD Theme) */

:root {
  /* PARKSY CHALKBOARD Base */
  --eae-bg: #253A2F;
  --eae-bg-deep: #1a2b24;
  --eae-card: #2d4a3f;
  --eae-border: rgba(255,255,255,0.1);
  --eae-text: #f5f5f5;
  --eae-text-dim: #94a3b8;

  /* Primary: Education Green */
  --eae-primary: #22c55e;
  --eae-primary-dim: rgba(34, 197, 94, 0.2);

  /* Part Colors */
  --part1-color: #f59e0b;  /* Amber - Grandpa */
  --part1-bg: rgba(245, 158, 11, 0.15);
  --part2-color: #3b82f6;  /* Blue - Architect */
  --part2-bg: rgba(59, 130, 246, 0.15);
  --part3-color: #8b5cf6;  /* Purple - Theory */
  --part3-bg: rgba(139, 92, 246, 0.15);

  /* Status */
  --eae-live: #22c55e;
  --eae-new: #8b5cf6;
}

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

html {
  scroll-behavior: smooth;
}

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

/* Chalkboard Texture Overlay */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 30%, rgba(255,255,255,0.02) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 70%, rgba(255,255,255,0.02) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
}

/* Floor Sections */
.floor-section {
  position: relative;
  min-height: 100vh;
  padding: 80px 20px 40px;
  max-width: 600px;
  margin: 0 auto;
  display: none;
  z-index: 1;
}

.floor-section.active {
  display: block;
}

/* Lobby Header */
.lobby-header {
  text-align: center;
  padding: 60px 0 40px;
}

.station-masthead {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.on-air-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--eae-primary-dim);
  border: 1px solid rgba(34, 197, 94, 0.3);
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 2px;
  color: var(--eae-live);
}

.on-air-dot {
  width: 8px;
  height: 8px;
  background: var(--eae-live);
  border-radius: 50%;
  animation: pulse 1.5s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.station-title {
  font-size: 48px;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -2px;
  background: linear-gradient(135deg, var(--eae-primary), var(--part3-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.station-tagline {
  font-size: 18px;
  color: var(--eae-text-dim);
  font-weight: 500;
}

.station-sub {
  font-size: 13px;
  color: var(--eae-text-dim);
  opacity: 0.7;
  font-style: italic;
}

/* YouTube Badge */
.youtube-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 0, 0, 0.15);
  border: 1px solid rgba(255, 0, 0, 0.3);
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 12px;
  color: #ff4444;
  text-decoration: none;
  margin-top: 8px;
}

.youtube-badge:hover {
  background: rgba(255, 0, 0, 0.25);
}

/* Part Preview Cards */
.part-preview {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 30px 0;
}

.part-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px;
  border-radius: 12px;
  border: 1px solid var(--eae-border);
  transition: all 0.2s;
  cursor: pointer;
}

.part-card:hover {
  transform: translateX(4px);
}

.part-card.part1 {
  background: var(--part1-bg);
  border-color: rgba(245, 158, 11, 0.3);
}

.part-card.part1:hover {
  border-color: var(--part1-color);
}

.part-card.part2 {
  background: var(--part2-bg);
  border-color: rgba(59, 130, 246, 0.3);
}

.part-card.part2:hover {
  border-color: var(--part2-color);
}

.part-card.part3 {
  background: var(--part3-bg);
  border-color: rgba(139, 92, 246, 0.3);
}

.part-card.part3:hover {
  border-color: var(--part3-color);
}

.part-icon {
  font-size: 32px;
}

.part-info h3 {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 4px;
}

.part-info p {
  font-size: 12px;
  color: var(--eae-text-dim);
}

.part-card.part1 .part-info h3 { color: var(--part1-color); }
.part-card.part2 .part-info h3 { color: var(--part2-color); }
.part-card.part3 .part-info h3 { color: var(--part3-color); }

/* Section Title */
.section-title {
  font-size: 14px;
  color: var(--eae-text-dim);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--eae-border);
}

/* Trilogy Section */
.trilogy-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 40px;
}

.trilogy-card {
  text-align: center;
  padding: 20px 12px;
  background: var(--eae-card);
  border: 1px solid var(--eae-border);
  border-radius: 12px;
  text-decoration: none;
  color: inherit;
  transition: all 0.2s;
}

.trilogy-card:hover {
  border-color: var(--eae-primary);
}

.trilogy-card.current {
  border-color: var(--eae-primary);
  background: var(--eae-primary-dim);
}

.trilogy-icon {
  display: block;
  font-size: 24px;
  margin-bottom: 8px;
}

.trilogy-name {
  display: block;
  font-size: 11px;
  font-weight: 600;
  margin-bottom: 4px;
}

.trilogy-desc {
  font-size: 10px;
  color: var(--eae-text-dim);
}

/* Floor Header */
.floor-header {
  text-align: center;
  padding: 40px 0;
}

.floor-title {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 8px;
}

.floor-desc {
  font-size: 14px;
  color: var(--eae-text-dim);
}

/* Channel Grid */
.channel-grid {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.channel-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px;
  background: var(--eae-card);
  border: 1px solid var(--eae-border);
  border-radius: 16px;
  text-decoration: none;
  color: inherit;
  transition: all 0.2s;
}

.channel-card:hover {
  border-color: var(--eae-primary);
  transform: translateY(-2px);
}

.channel-card.featured {
  border-color: rgba(255, 0, 0, 0.3);
  background: linear-gradient(135deg, var(--eae-card), rgba(255, 0, 0, 0.1));
}

.channel-thumb {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--eae-primary), var(--part3-color));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.channel-emoji {
  font-size: 24px;
}

.channel-info {
  flex: 1;
}

.channel-name {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 4px;
  font-family: 'JetBrains Mono', monospace;
}

.channel-tagline {
  font-size: 12px;
  color: var(--eae-text-dim);
}

.channel-status {
  font-size: 10px;
  font-weight: 700;
  padding: 6px 10px;
  border-radius: 6px;
  background: rgba(255,255,255,0.1);
}

.channel-status.live {
  background: var(--eae-live);
  color: #0a0a0a;
}

.channel-status.yt {
  background: #ff0000;
  color: white;
}

/* Program Section (Part Details) */
.program-section {
  margin-bottom: 40px;
}

.program-detail {
  padding: 24px;
  border-radius: 16px;
  margin-bottom: 16px;
}

.program-detail.part1 {
  background: var(--part1-bg);
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.program-detail.part2 {
  background: var(--part2-bg);
  border: 1px solid rgba(59, 130, 246, 0.3);
}

.program-detail.part3 {
  background: var(--part3-bg);
  border: 1px solid rgba(139, 92, 246, 0.3);
}

.program-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.program-icon {
  font-size: 36px;
}

.program-title {
  font-size: 18px;
  font-weight: 700;
}

.program-detail.part1 .program-title { color: var(--part1-color); }
.program-detail.part2 .program-title { color: var(--part2-color); }
.program-detail.part3 .program-title { color: var(--part3-color); }

.program-subtitle {
  font-size: 13px;
  color: var(--eae-text-dim);
}

.program-desc {
  font-size: 14px;
  line-height: 1.6;
  color: var(--eae-text);
  opacity: 0.9;
}

/* University Section */
.univ-section {
  background: var(--eae-card);
  border: 1px solid var(--eae-border);
  border-radius: 16px;
  padding: 24px;
  text-align: center;
}

.univ-badge {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  padding: 4px 12px;
  background: var(--part3-color);
  color: white;
  border-radius: 4px;
  margin-bottom: 16px;
}

.univ-title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
}

.univ-desc {
  font-size: 13px;
  color: var(--eae-text-dim);
  margin-bottom: 20px;
}

.univ-link {
  display: inline-block;
  padding: 12px 24px;
  background: var(--eae-primary-dim);
  border: 1px solid var(--eae-primary);
  border-radius: 8px;
  color: var(--eae-primary);
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
}

.univ-link:hover {
  background: var(--eae-primary);
  color: #0a0a0a;
}

/* Pentagon Diagram */
.pentagon-wrap {
  margin: 24px 0;
  padding: 20px;
  background: var(--eae-bg-deep);
  border-radius: 12px;
}

.pentagon-title {
  font-size: 12px;
  color: var(--eae-text-dim);
  text-align: center;
  margin-bottom: 16px;
}

.pentagon-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.pentagon-node {
  text-align: center;
  padding: 12px 8px;
  background: var(--eae-card);
  border-radius: 8px;
  font-size: 11px;
}

.pentagon-node.center {
  grid-column: 2;
  background: var(--eae-primary-dim);
  border: 1px solid var(--eae-primary);
}

.node-icon {
  display: block;
  font-size: 20px;
  margin-bottom: 4px;
}

.node-label {
  color: var(--eae-text-dim);
}

/* HQ Section */
.lock-overlay {
  position: fixed;
  inset: 0;
  background: var(--eae-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
}

.lock-box {
  text-align: center;
  padding: 40px;
}

.lock-icon {
  font-size: 48px;
  display: block;
  margin-bottom: 20px;
}

.lock-box h3 {
  font-size: 18px;
  margin-bottom: 24px;
  color: var(--eae-text-dim);
}

.lock-input {
  width: 120px;
  padding: 12px 16px;
  background: var(--eae-card);
  border: 1px solid var(--eae-border);
  border-radius: 8px;
  color: var(--eae-text);
  font-size: 18px;
  text-align: center;
  letter-spacing: 8px;
  margin-bottom: 16px;
}

.lock-input:focus {
  outline: none;
  border-color: var(--eae-primary);
}

.lock-btn {
  display: block;
  width: 120px;
  margin: 0 auto;
  padding: 12px;
  background: var(--eae-primary);
  border: none;
  border-radius: 8px;
  color: #0a0a0a;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
}

/* HQ Dashboard */
.hq-dashboard {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 30px;
}

.hq-card {
  text-align: center;
  padding: 24px 16px;
  background: var(--eae-card);
  border: 1px solid var(--eae-border);
  border-radius: 12px;
}

.hq-card h4 {
  font-size: 11px;
  color: var(--eae-text-dim);
  margin-bottom: 8px;
}

.hq-stat {
  font-size: 32px;
  font-weight: 700;
  color: var(--eae-primary);
  font-family: 'JetBrains Mono', monospace;
}

.hq-links {
  display: flex;
  gap: 12px;
  justify-content: center;
}

.hq-link {
  padding: 12px 24px;
  background: var(--eae-card);
  border: 1px solid var(--eae-border);
  border-radius: 8px;
  color: var(--eae-text);
  text-decoration: none;
  font-size: 14px;
}

.hq-link:hover {
  border-color: var(--eae-primary);
}

/* Mobile optimization */
@media (max-width: 430px) {
  .station-title {
    font-size: 36px;
  }

  .trilogy-grid {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .pentagon-grid {
    grid-template-columns: 1fr;
  }

  .hq-dashboard {
    grid-template-columns: 1fr;
  }
}