/* demoscene.css - 64Kb Demoscene Unified Cinema HUD & Letterbox Styling */

@import url('https://fonts.googleapis.com/css2?family=Courier+Prime:ital,wght@0,400;0,700;1,400;1,700&family=Space+Grotesk:wght@400;600;700&display=swap');

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

body, html {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background-color: #020205;
  font-family: 'Space Grotesk', -apple-system, sans-serif;
  color: #fff;
  user-select: none;
}

#viewport-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 1;
}

canvas {
  display: block;
  width: 100%;
  height: 100%;
}

/* 2.39:1 Cinematic Letterbox Bars */
.cinema-bars {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 10;
  box-shadow: inset 0 6vh 0 #000, inset 0 -6vh 0 #000;
  transition: box-shadow 0.4s ease;
}

/* Sub-bass screen flash */
.hud-flash {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: radial-gradient(circle, rgba(255, 0, 85, 0.4) 0%, rgba(255, 0, 85, 0) 80%);
  pointer-events: none;
  z-index: 15;
  opacity: 0;
  transition: opacity 0.08s ease-out;
}

/* HUD Overlay */
.demoscene-hud {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 20;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 24px 32px;
  transition: opacity 0.3s ease;
}

/* Top Bar */
.hud-top-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  pointer-events: all;
  background: linear-gradient(180deg, rgba(8, 8, 12, 0.85) 0%, rgba(8, 8, 12, 0) 100%);
  padding: 12px 20px;
  border-radius: 4px;
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.hud-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.hud-back-btn {
  color: #ff0055;
  font-family: 'Courier Prime', monospace;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-decoration: none;
  background: rgba(255, 0, 85, 0.1);
  padding: 4px 8px;
  border: 1px solid rgba(255, 0, 85, 0.4);
  border-radius: 2px;
  transition: all 0.2s ease;
}

.hud-back-btn:hover {
  background: #ff0055;
  color: #fff;
  box-shadow: 0 0 12px rgba(255, 0, 85, 0.6);
}

.hud-title {
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 2px;
  color: #fff;
  text-transform: uppercase;
  text-shadow: 0 0 10px rgba(0, 229, 255, 0.4);
}

.hud-badge {
  font-family: 'Courier Prime', monospace;
  font-size: 0.75rem;
  background: rgba(0, 229, 255, 0.12);
  color: #00e5ff;
  border: 1px solid rgba(0, 229, 255, 0.4);
  padding: 3px 8px;
  border-radius: 2px;
  letter-spacing: 1px;
}

.hud-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.hud-telemetry-chip {
  font-family: 'Courier Prime', monospace;
  font-size: 0.75rem;
  color: #8899aa;
  background: rgba(255, 255, 255, 0.04);
  padding: 4px 8px;
  border-radius: 2px;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.hud-btn {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #ddd;
  font-family: 'Courier Prime', monospace;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 5px 10px;
  border-radius: 2px;
  cursor: pointer;
  letter-spacing: 1px;
  transition: all 0.2s ease;
}

.hud-btn:hover {
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
  border-color: #00e5ff;
}

/* Bottom Transport Bar */
.hud-bottom-bar {
  display: flex;
  flex-direction: column;
  gap: 12px;
  pointer-events: all;
  background: linear-gradient(0deg, rgba(8, 8, 12, 0.92) 0%, rgba(8, 8, 12, 0.6) 80%, rgba(8, 8, 12, 0) 100%);
  padding: 16px 20px 8px 20px;
  border-radius: 4px;
  backdrop-filter: blur(8px);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.hud-controls-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.hud-ctrl-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: #ccc;
  font-family: 'Courier Prime', monospace;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 6px 12px;
  border-radius: 2px;
  cursor: pointer;
  letter-spacing: 1px;
  transition: all 0.2s ease;
}

.hud-ctrl-btn:hover {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
}

.hud-ctrl-btn.active {
  background: #00e5ff;
  color: #050b14;
  border-color: #00e5ff;
  box-shadow: 0 0 10px rgba(0, 229, 255, 0.4);
}

.hud-act-name {
  flex-grow: 1;
  text-align: center;
  font-family: 'Courier Prime', monospace;
  font-size: 0.8rem;
  color: #ff0055;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.hud-audio-group {
  display: flex;
  gap: 6px;
}

/* Timeline Track & Scrubber */
.hud-timeline-container {
  position: relative;
  width: 100%;
  height: 8px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 4px;
  cursor: pointer;
  overflow: visible;
  transition: height 0.2s ease;
}

.hud-timeline-container:hover {
  height: 12px;
}

.hud-timeline-fill {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #ff0055 0%, #00e5ff 100%);
  border-radius: 4px;
  box-shadow: 0 0 10px rgba(0, 229, 255, 0.5);
}

.hud-timeline-scrubber {
  position: absolute;
  top: 50%;
  left: 0%;
  transform: translate(-50%, -50%);
  width: 14px;
  height: 14px;
  background: #fff;
  border: 2px solid #00e5ff;
  border-radius: 50%;
  box-shadow: 0 0 8px #00e5ff;
  pointer-events: none;
}

.hud-act-markers {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.hud-marker {
  position: absolute;
  top: -3px;
  width: 3px;
  height: 14px;
  background: rgba(255, 255, 255, 0.4);
  pointer-events: all;
  cursor: pointer;
  transition: all 0.2s ease;
}

.hud-marker:hover {
  background: #ff0055;
  transform: scaleY(1.3);
  box-shadow: 0 0 8px #ff0055;
}