/* ═══════════════════════════════════════════════════════════════
   BROADCAST UI - PARKSY Broadcasting Station
   "Everyone can be a panelist with AI"
   ═══════════════════════════════════════════════════════════════ */

:root {
  /* ─────────────────────────────────────────────────────────────
     BROADCAST COLORS
     ───────────────────────────────────────────────────────────── */
  --broadcast-red: #e63946;        /* ON AIR indicator */
  --broadcast-red-glow: rgba(230, 57, 70, 0.4);
  --broadcast-green: #2a9d8f;      /* Available/Ready */
  --broadcast-blue: #457b9d;       /* Info/Channel */
  --broadcast-gold: #f4a261;       /* Premium/Featured */
  --broadcast-purple: #9b5de5;     /* AI/Special */

  /* Channel Colors */
  --ch-philosopher: #7b68ee;       /* CH1: Philosopher */
  --ch-blogger: #20b2aa;           /* CH2: Blogger */
  --ch-visualizer: #ff6b6b;        /* CH3: Visualizer */
  --ch-musician: #ffd93d;          /* CH4: Musician */
  --ch-technician: #4ecdc4;        /* CH5: Technician */
  --ch-tester: #95e1d3;            /* CH6: Tester */
  --ch-protocol: #a8e6cf;          /* CH7: Protocol */
  --ch-orbit: #dcd6f7;             /* CH8: Orbit-Log */
}

/* ═══════════════════════════════════════════════════════════════
   BROADCAST STATION HEADER
   ═══════════════════════════════════════════════════════════════ */

.station-header {
  display: flex;
  align-items: center;
  gap: var(--space-step);
  margin-bottom: var(--space-room);
}

.station-logo {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--cave-glow);
  padding: 0.5rem 1rem;
  border: 1px solid var(--cave-faint);
  background: var(--cave-wall);
}

.on-air-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.75rem;
  background: var(--broadcast-red);
  color: white;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  border-radius: 2px;
  animation: pulse-glow 2s ease-in-out infinite;
}

.on-air-dot {
  width: 6px;
  height: 6px;
  background: white;
  border-radius: 50%;
  animation: blink 1s ease-in-out infinite;
}

@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 10px var(--broadcast-red-glow); }
  50% { box-shadow: 0 0 20px var(--broadcast-red-glow); }
}

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

/* ═══════════════════════════════════════════════════════════════
   CHANNEL GRID - B1 Floor
   ═══════════════════════════════════════════════════════════════ */

.channel-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-step);
  margin-bottom: var(--space-room);
}

.channel-card {
  display: flex;
  flex-direction: column;
  padding: var(--space-step);
  background: var(--cave-wall);
  border: 1px solid var(--cave-faint);
  border-radius: 4px;
  text-decoration: none;
  color: inherit;
  transition: all var(--motion-emerge);
  position: relative;
  overflow: hidden;
}

.channel-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--channel-color, var(--cave-faint));
  transition: width var(--motion-emerge);
}

.channel-card:hover {
  border-color: var(--channel-color, var(--cave-dim));
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.channel-card:hover::before {
  width: 6px;
}

.channel-number {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--cave-faint);
  letter-spacing: 0.1em;
  margin-bottom: 0.25rem;
}

.channel-name {
  font-family: var(--font-accent);
  font-size: 1rem;
  font-weight: 400;
  color: var(--cave-glow);
  margin-bottom: 0.25rem;
}

.channel-desc {
  font-size: 0.75rem;
  color: var(--cave-dim);
  line-height: 1.4;
}

.channel-status {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  margin-top: auto;
  padding-top: 0.75rem;
  font-size: 0.65rem;
  color: var(--cave-faint);
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cave-faint);
}

.status-dot.live {
  background: var(--broadcast-red);
  animation: blink 1s ease-in-out infinite;
}

.status-dot.ready {
  background: var(--broadcast-green);
}

/* Channel Color Variants */
.channel-card[data-channel="1"] { --channel-color: var(--ch-philosopher); }
.channel-card[data-channel="2"] { --channel-color: var(--ch-blogger); }
.channel-card[data-channel="3"] { --channel-color: var(--ch-visualizer); }
.channel-card[data-channel="4"] { --channel-color: var(--ch-musician); }
.channel-card[data-channel="5"] { --channel-color: var(--ch-technician); }
.channel-card[data-channel="6"] { --channel-color: var(--ch-tester); }
.channel-card[data-channel="7"] { --channel-color: var(--ch-protocol); }
.channel-card[data-channel="8"] { --channel-color: var(--ch-orbit); }

/* ═══════════════════════════════════════════════════════════════
   PROGRAM SCHEDULE
   ═══════════════════════════════════════════════════════════════ */

.schedule-section {
  margin-top: var(--space-room);
  padding: var(--space-step);
  background: var(--cave-deep);
  border: 1px solid var(--cave-faint);
  border-radius: 4px;
}

.schedule-title {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--cave-dim);
  letter-spacing: 0.15em;
  margin-bottom: var(--space-step);
  text-transform: uppercase;
}

.schedule-item {
  display: flex;
  align-items: center;
  gap: var(--space-step);
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--cave-stone);
}

.schedule-item:last-child {
  border-bottom: none;
}

.schedule-time {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--cave-faint);
  min-width: 50px;
}

.schedule-program {
  flex: 1;
  font-size: 0.85rem;
  color: var(--cave-glow);
}

.schedule-channel {
  font-size: 0.65rem;
  color: var(--cave-dim);
  padding: 0.2rem 0.5rem;
  background: var(--cave-wall);
  border-radius: 2px;
}

/* ═══════════════════════════════════════════════════════════════
   STUDIO - B2 Floor (Viewer Curation)
   ═══════════════════════════════════════════════════════════════ */

.studio-section {
  margin-bottom: var(--space-room);
}

.studio-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--cave-dim);
  letter-spacing: 0.15em;
  margin-bottom: var(--space-step);
  text-transform: uppercase;
}

/* Panel Area */
.panel-stage {
  display: flex;
  justify-content: center;
  gap: var(--space-step);
  padding: var(--space-room);
  background: var(--cave-deep);
  border: 1px solid var(--cave-faint);
  border-radius: 4px;
  margin-bottom: var(--space-room);
}

.panelist {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.panelist-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--cave-wall);
  border: 2px solid var(--cave-faint);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  transition: all var(--motion-emerge);
}

.panelist.active .panelist-avatar {
  border-color: var(--broadcast-red);
  box-shadow: 0 0 15px var(--broadcast-red-glow);
}

.panelist.ai .panelist-avatar {
  border-color: var(--broadcast-purple);
  background: linear-gradient(135deg, var(--cave-wall), var(--cave-stone));
}

.panelist-name {
  font-size: 0.7rem;
  color: var(--cave-dim);
  text-align: center;
}

.panelist-role {
  font-size: 0.6rem;
  color: var(--cave-faint);
  font-family: var(--font-mono);
}

/* Viewer Input Area */
.viewer-input-area {
  background: var(--cave-wall);
  border: 1px solid var(--cave-faint);
  border-radius: 4px;
  padding: var(--space-step);
}

.viewer-input-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-step);
}

.viewer-input-title {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--cave-dim);
  letter-spacing: 0.1em;
}

.ai-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.5rem;
  background: var(--broadcast-purple);
  color: white;
  font-size: 0.6rem;
  font-family: var(--font-mono);
  border-radius: 2px;
}

.viewer-textarea {
  width: 100%;
  min-height: 120px;
  padding: var(--space-step);
  background: var(--cave-deep);
  border: 1px solid var(--cave-faint);
  border-radius: 4px;
  color: var(--cave-glow);
  font-family: var(--font-body);
  font-size: 0.9rem;
  line-height: 1.6;
  resize: vertical;
  transition: border-color var(--motion-emerge);
}

.viewer-textarea:focus {
  outline: none;
  border-color: var(--broadcast-purple);
}

.viewer-textarea::placeholder {
  color: var(--cave-faint);
}

/* Curation Output */
.curation-output {
  margin-top: var(--space-step);
  padding: var(--space-step);
  background: var(--cave-deep);
  border: 1px solid var(--cave-faint);
  border-left: 3px solid var(--broadcast-purple);
  border-radius: 4px;
  min-height: 100px;
}

.curation-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: var(--space-breath);
  font-size: 0.7rem;
  color: var(--broadcast-purple);
  font-family: var(--font-mono);
}

.curation-content {
  font-size: 0.9rem;
  color: var(--cave-glow);
  line-height: 1.7;
}

.curation-empty {
  color: var(--cave-faint);
  font-style: italic;
  font-size: 0.85rem;
}

/* Format Selector */
.format-selector {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: var(--space-step) 0;
}

.format-btn {
  padding: 0.4rem 0.8rem;
  background: transparent;
  border: 1px solid var(--cave-faint);
  color: var(--cave-dim);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  border-radius: 2px;
  cursor: pointer;
  transition: all var(--motion-emerge);
}

.format-btn:hover {
  border-color: var(--cave-dim);
  color: var(--cave-glow);
}

.format-btn.active {
  background: var(--broadcast-purple);
  border-color: var(--broadcast-purple);
  color: white;
}

/* ═══════════════════════════════════════════════════════════════
   BROADCAST CONSOLE - B3 Floor
   ═══════════════════════════════════════════════════════════════ */

.broadcast-status {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-breath);
  margin-bottom: var(--space-room);
}

.status-card {
  padding: var(--space-step);
  background: var(--cave-wall);
  border: 1px solid var(--cave-faint);
  border-radius: 4px;
  text-align: center;
}

.status-value {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--cave-glow);
}

.status-label {
  font-size: 0.65rem;
  color: var(--cave-faint);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: 0.25rem;
}

/* ═══════════════════════════════════════════════════════════════
   NOW PLAYING BAR
   ═══════════════════════════════════════════════════════════════ */

.now-playing {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 0.75rem var(--space-step);
  background: var(--cave-wall);
  border-top: 1px solid var(--cave-faint);
  display: flex;
  align-items: center;
  gap: var(--space-step);
  z-index: 100;
}

.now-playing-indicator {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.now-playing-bars {
  display: flex;
  align-items: flex-end;
  gap: 2px;
  height: 16px;
}

.bar {
  width: 3px;
  background: var(--broadcast-red);
  animation: sound-bar 0.5s ease-in-out infinite alternate;
}

.bar:nth-child(1) { height: 40%; animation-delay: 0s; }
.bar:nth-child(2) { height: 70%; animation-delay: 0.1s; }
.bar:nth-child(3) { height: 50%; animation-delay: 0.2s; }
.bar:nth-child(4) { height: 80%; animation-delay: 0.3s; }

@keyframes sound-bar {
  to { height: 100%; }
}

.now-playing-text {
  flex: 1;
  font-size: 0.8rem;
  color: var(--cave-dim);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.now-playing-channel {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--cave-faint);
  padding: 0.2rem 0.5rem;
  background: var(--cave-deep);
  border-radius: 2px;
}

/* ═══════════════════════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════════════════════ */

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

  .panel-stage {
    flex-wrap: wrap;
  }

  .broadcast-status {
    grid-template-columns: 1fr;
  }

  .format-selector {
    justify-content: center;
  }
}