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

:root {
  --neon-cyan: #ff00bf;
  --neon-pink: #5b0056;
  --neon-purple: #8a2be2;
  --bg-black: #050003;
}

html, body {
  width: 100%;
  height: 100%;
  background: var(--bg-black);
  overflow: hidden;
  font-family: 'Rajdhani', sans-serif;
}

#app {
  position: relative;
  width: 100vw;
  height: 100vh;
  background: var(--bg-black);
}


#webcam {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scaleX(-1);
  opacity: 0; 
  pointer-events: none;
}

#scene {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: block;
}


#vignette {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(ellipse at center,
    rgba(0,0,0,0) 40%,
    rgba(0,0,0,0.55) 85%,
    rgba(0,0,0,0.9) 100%);
  z-index: 5;
}

#scanlines {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 6;
  background: repeating-linear-gradient(
    to bottom,
    rgba(255,255,255,0.025) 0px,
    rgba(255,255,255,0.025) 1px,
    transparent 1px,
    transparent 3px
  );
  mix-blend-mode: overlay;
}

#grid-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  background-image:
    linear-gradient(rgba(0,240,255,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,240,255,0.05) 1px, transparent 1px);
  background-size: 40px 40px;
  opacity: 0.4;
}


#status-screen {
  position: absolute;
  inset: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(ellipse at center, #0a0a14 0%, #030307 100%);
  transition: opacity 0.6s ease, visibility 0.6s ease;
}

#status-screen.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.status-content {
  text-align: center;
}

.orb-loader {
  position: relative;
  width: 140px;
  height: 140px;
  margin: 0 auto 30px;
}

.orb-core {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 50px;
  height: 50px;
  margin: -25px 0 0 -25px;
  border-radius: 50%;
  background: radial-gradient(circle, #fff 0%, var(--neon-cyan) 40%, var(--neon-purple) 100%);
  box-shadow: 0 0 30px 10px var(--neon-cyan), 0 0 60px 20px var(--neon-purple);
  animation: pulse 1.6s ease-in-out infinite;
}

.orb-ring {
  position: absolute;
  inset: 0;
  border: 2px solid rgba(0,240,255,0.4);
  border-radius: 50%;
  animation: spin 3s linear infinite;
}

.ring-2 {
  inset: 18px;
  border-color: rgba(255,0,230,0.35);
  animation-duration: 4s;
  animation-direction: reverse;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.25); opacity: 0.7; }
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.brand {
  font-family: 'Orbitron', sans-serif;
  font-weight: 900;
  font-size: 2.4rem;
  letter-spacing: 4px;
  color: #fff;
  text-shadow: 0 0 15px var(--neon-cyan), 0 0 30px var(--neon-cyan);
}

.brand span {
  color: var(--neon-pink);
  text-shadow: 0 0 15px var(--neon-pink), 0 0 30px var(--neon-pink);
}

#status-text {
  margin-top: 12px;
  color: #aee9ff;
  font-size: 1rem;
  letter-spacing: 1px;
  opacity: 0.85;
}

#start-btn {
  margin-top: 28px;
  padding: 12px 36px;
  font-family: 'Orbitron', sans-serif;
  font-size: 0.9rem;
  letter-spacing: 2px;
  color: #00f0ff;
  background: rgba(0,240,255,0.08);
  border: 1px solid var(--neon-cyan);
  border-radius: 30px;
  cursor: pointer;
  box-shadow: 0 0 15px rgba(0,240,255,0.4);
  transition: all 0.25s ease;
}

#start-btn:hover {
  background: rgba(0,240,255,0.2);
  box-shadow: 0 0 25px rgba(0,240,255,0.7);
  transform: scale(1.05);
}

#start-btn.hidden {
  display: none;
}


#hud {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  pointer-events: none;
}

.hud-title {
  font-family: 'Orbitron', sans-serif;
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 3px;
  color: rgba(255,255,255,0.85);
  text-shadow: 0 0 10px rgba(0,240,255,0.6);
}

.hud-title span {
  color: var(--neon-pink);
}

.hud-hint {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  top: 22px;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.6);
  letter-spacing: 1px;
  transition: opacity 0.5s ease;
}

#fullscreen-btn, #sound-btn {
  pointer-events: all;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(0,240,255,0.3);
  color: #aee9ff;
  font-size: 1.1rem;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  cursor: pointer;
  margin-left: 8px;
  transition: all 0.2s ease;
}

#fullscreen-btn:hover, #sound-btn:hover {
  background: rgba(0,240,255,0.15);
  box-shadow: 0 0 15px rgba(0,240,255,0.5);
}

@media (max-width: 600px) {
  .brand { font-size: 1.8rem; }
  .hud-hint { font-size: 0.7rem; top: 18px; }
  .hud-title { font-size: 0.9rem; }
}


#shape-label {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 12;
  font-family: 'Orbitron', sans-serif;
  font-weight: 700;
  font-size: 1.4rem;
  letter-spacing: 4px;
  color: rgba(255,255,255,0.9);
  text-shadow: 0 0 20px var(--neon-cyan), 0 0 40px var(--neon-pink);
  text-transform: uppercase;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease, transform 0.4s ease;
}

#shape-label.visible {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1.05);
}


#gesture-guide {
  position: absolute;
  bottom: 18px;
  right: 18px;
  z-index: 10;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 12px 16px;
  background: rgba(10,10,20,0.45);
  border: 1px solid rgba(0,240,255,0.2);
  border-radius: 12px;
  backdrop-filter: blur(6px);
  pointer-events: none;
}

.gesture-row {
  font-size: 0.78rem;
  letter-spacing: 0.5px;
  color: rgba(255,255,255,0.75);
  display: flex;
  align-items: center;
  gap: 8px;
}

.gesture-icon {
  font-size: 1rem;
}

@media (max-width: 600px) {
  #gesture-guide {
    bottom: 14px;
    right: 14px;
    padding: 8px 12px;
  }
  .gesture-row { font-size: 0.68rem; }
  #shape-label { font-size: 1.1rem; letter-spacing: 2px; }
}