/* ==========================================================================
   LEGO® GENEVA: BRICK BY BRICK — Broadcast Motion Graphic Stylesheet
   ========================================================================== */

:root {
  --bg-deep: #0e1726;
  --panel-bg: rgba(12, 19, 31, 0.80);
  --panel-border: rgba(255, 255, 255, 0.14);
  --lego-red: #D11919;
  --lego-yellow: #F5CD2F;
  --lego-gold: #E5B83B;
  --lego-azure: #36AEBF;
  --text-main: #F8FAFC;
  --text-sub: #CBD5E1;
  --text-muted: #94A3B8;
  --active-accent: #E5B83B;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  user-select: none;
  -webkit-user-select: none;
}

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background-color: var(--bg-deep);
  font-family: "Pretendard", -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Noto Sans KR", "Malgun Gothic", sans-serif;
  color: var(--text-main);
}

/* 3D WebGL Canvas & 2D Broadcast Callout Overlay */
#viewport-container {
  position: relative;
  width: 100vw;
  height: 100vh;
  overflow: hidden;
}

#webgl-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  cursor: grab;
}

#webgl-canvas:active {
  cursor: grabbing;
}

#mg-overlay-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 2;
}

/* Subtle Vignette & Broadcast Frame Lines */
.broadcast-vignette {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 3;
  background: radial-gradient(circle at 50% 48%, rgba(0, 0, 0, 0) 58%, rgba(6, 10, 18, 0.52) 100%);
}

/* ==========================================================================
   TOP BROADCAST HEADER BAR
   ========================================================================== */
.hud-header {
  position: absolute;
  top: 16px;
  left: 20px;
  right: 20px;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  pointer-events: none;
}

.brand-cluster {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--panel-bg);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--panel-border);
  padding: 8px 16px 8px 10px;
  border-radius: 12px;
  pointer-events: auto;
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.35);
}

.lego-badge {
  position: relative;
  background: var(--lego-red);
  color: #fff;
  font-weight: 900;
  font-size: 13px;
  letter-spacing: 0.04em;
  padding: 6px 10px;
  border-radius: 7px;
  border: 2px solid var(--lego-yellow);
  box-shadow: inset 0 -2px 0 rgba(0, 0, 0, 0.25);
  display: flex;
  align-items: center;
  gap: 5px;
}

.lego-stud-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--lego-yellow);
  box-shadow: inset 0 1px 1px rgba(255,255,255,0.8), 0 1px 2px rgba(0,0,0,0.4);
}

.brand-titles {
  display: flex;
  flex-direction: column;
}

.brand-kicker {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--lego-yellow);
  text-transform: uppercase;
}

.brand-main {
  font-size: 15px;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.01em;
}

/* Telemetry & Action Controls */
.header-controls {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  pointer-events: auto;
}

.telemetry-pill {
  background: var(--panel-bg);
  backdrop-filter: blur(12px);
  border: 1px solid var(--panel-border);
  border-radius: 10px;
  padding: 7px 12px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-sub);
}

.telemetry-pill strong {
  color: var(--lego-yellow);
  font-variant-numeric: tabular-nums;
}

.rec-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #FF3B30;
  box-shadow: 0 0 8px #FF3B30;
  animation: pulseRec 1.4s infinite ease-in-out;
}

@keyframes pulseRec {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.35; transform: scale(0.85); }
}

.ctrl-btn {
  background: var(--panel-bg);
  backdrop-filter: blur(12px);
  border: 1px solid var(--panel-border);
  color: var(--text-main);
  font-family: inherit;
  font-size: 12px;
  font-weight: 700;
  padding: 8px 13px;
  border-radius: 10px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.18s ease;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.25);
}

.ctrl-btn:hover {
  background: rgba(30, 44, 68, 0.92);
  border-color: rgba(255, 255, 255, 0.35);
  transform: translateY(-1px);
}

.ctrl-btn.active {
  background: rgba(229, 184, 59, 0.22);
  border-color: var(--lego-gold);
  color: var(--lego-yellow);
}

.ctrl-btn.primary-action {
  background: linear-gradient(135deg, #D11919 0%, #A81010 100%);
  border-color: #FF6B6B;
  color: #fff;
}

.ctrl-btn.primary-action:hover {
  background: linear-gradient(135deg, #E62222 0%, #BE1414 100%);
}

.lighting-group {
  display: inline-flex;
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: 10px;
  padding: 2px;
  gap: 2px;
}

.light-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-family: inherit;
  font-size: 11.5px;
  font-weight: 700;
  padding: 5px 10px;
  border-radius: 7px;
  cursor: pointer;
  transition: all 0.16s ease;
}

.light-btn.active {
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
}

/* ==========================================================================
   LOWER-THIRD KINETIC TYPOGRAPHY LANDMARK CARD
   ========================================================================== */
.landmark-card {
  position: absolute;
  left: 20px;
  bottom: 94px;
  z-index: 10;
  width: 390px;
  max-width: calc(100vw - 40px);
  background: var(--panel-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--panel-border);
  border-left: 5px solid var(--active-accent);
  border-radius: 14px;
  padding: 16px 18px;
  box-shadow: 0 16px 38px rgba(0, 0, 0, 0.45);
  transition: transform 0.32s cubic-bezier(0.22, 1, 0.36, 1), border-color 0.3s ease;
  pointer-events: auto;
}

.landmark-card.animate-wipe {
  animation: cardWipeIn 0.38s cubic-bezier(0.22, 1, 0.36, 1);
}

@keyframes cardWipeIn {
  0% {
    opacity: 0.25;
    transform: translateY(10px) scale(0.98);
  }
  100% {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.card-top-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 6px;
}

.chapter-code-badge {
  font-size: 10.5px;
  font-weight: 800;
  letter-spacing: 0.12em;
  padding: 3px 8px;
  border-radius: 5px;
  background: rgba(255, 255, 255, 0.10);
  color: var(--active-accent);
}

.brick-spec-badge {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-sub);
  display: flex;
  align-items: center;
  gap: 5px;
}

.card-title-row {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 4px;
  flex-wrap: wrap;
}

.card-title-ko {
  font-size: 24px;
  font-weight: 900;
  letter-spacing: -0.02em;
  color: #FFFFFF;
}

.card-title-fr {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--active-accent);
}

.card-subtitle {
  font-size: 13px;
  font-weight: 700;
  color: #E2E8F0;
  margin-bottom: 6px;
}

.card-desc {
  font-size: 12px;
  line-height: 1.52;
  color: var(--text-sub);
}

/* ==========================================================================
   BOTTOM CHAPTER & TIMELINE DOCK
   ========================================================================== */
.timeline-dock {
  position: absolute;
  left: 20px;
  right: 20px;
  bottom: 14px;
  z-index: 10;
  background: var(--panel-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--panel-border);
  border-radius: 14px;
  padding: 10px 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  box-shadow: 0 14px 36px rgba(0, 0, 0, 0.45);
}

.chapter-Grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 6px;
}

.chapter-tab {
  position: relative;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.10);
  border-radius: 9px;
  padding: 7px 10px;
  cursor: pointer;
  text-align: left;
  overflow: hidden;
  transition: all 0.18s ease;
  display: flex;
  align-items: center;
  gap: 7px;
  color: var(--text-sub);
  font-family: inherit;
}

.chapter-tab:hover {
  background: rgba(255, 255, 255, 0.11);
  border-color: rgba(255, 255, 255, 0.25);
}

.chapter-tab.active {
  background: rgba(255, 255, 255, 0.13);
  border-color: var(--tab-accent, #E5B83B);
  color: #FFFFFF;
}

.tab-stud {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  flex-shrink: 0;
  background: var(--tab-accent, #E5B83B);
  box-shadow: inset 0 1px 1px rgba(255,255,255,0.7);
}

.tab-text-wrap {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.tab-num {
  font-size: 9.5px;
  font-weight: 800;
  color: var(--text-muted);
  letter-spacing: 0.06em;
}

.tab-name {
  font-size: 12px;
  font-weight: 800;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.tab-progress-bar {
  position: absolute;
  left: 0;
  bottom: 0;
  height: 3px;
  width: 0%;
  background: var(--tab-accent, #E5B83B);
  transition: width 0.08s linear;
}

/* Master Scrubber Row */
.scrubber-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.transport-btn {
  background: rgba(255, 255, 255, 0.10);
  border: 1px solid rgba(255, 255, 255, 0.16);
  color: #fff;
  width: 28px;
  height: 28px;
  border-radius: 7px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 800;
  transition: background 0.15s ease;
}

.transport-btn:hover {
  background: rgba(255, 255, 255, 0.22);
}

.scrubber-track {
  position: relative;
  flex: 1;
  height: 7px;
  background: rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  cursor: pointer;
  overflow: hidden;
}

.scrubber-fill {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 0%;
  background: linear-gradient(90deg, #D11919 0%, #F5CD2F 50%, #36AEBF 100%);
  border-radius: 999px;
}

.timecode-readout {
  font-size: 11px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--text-muted);
  min-width: 92px;
  text-align: right;
}

/* Responsive adjustments */
@media (max-width: 960px) {
  .chapter-Grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .landmark-card {
    bottom: 132px;
    width: 340px;
    padding: 12px 14px;
  }
  .card-title-ko {
    font-size: 20px;
  }
}