@font-face {
  font-family: 'VT323';
  src: url('../assets/fonts/vt323.woff2') format('woff2');
  font-display: swap;
}
@font-face {
  font-family: 'Space Mono';
  src: url('../assets/fonts/SpaceMono-Regular.woff2') format('woff2');
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: 'Space Mono';
  src: url('../assets/fonts/SpaceMono-Bold.woff2') format('woff2');
  font-weight: 700;
  font-display: swap;
}

:root {
  --teal: #4ff2e4;
  --teal-dim: #1e7a72;
  --ink: #020808;
  --alert: #ff3b5c;
}

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

html, body {
  height: 100%;
  overflow: hidden;
  background: var(--ink);
  color: var(--teal);
  font-family: 'Space Mono', monospace;
  -webkit-user-select: none;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
  touch-action: none;
}

#scene {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}

#ecg {
  position: fixed;
  left: 0;
  right: 0;
  bottom: calc(env(safe-area-inset-bottom, 0px) + 22px);
  width: 100%;
  height: 56px;
  pointer-events: none;
  opacity: 0.85;
}

.hidden { display: none !important; }

/* ---- HUD ---- */
#hud {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 5;
}
#hud-top {
  display: flex;
  justify-content: space-between;
  padding: calc(env(safe-area-inset-top, 0px) + 14px) 18px 0;
  font-family: 'VT323', monospace;
  font-size: 28px;
  letter-spacing: 2px;
  text-shadow: 0 0 8px var(--teal);
}
#lives { color: var(--alert); text-shadow: 0 0 8px var(--alert); }

#voice {
  position: absolute;
  left: 50%;
  top: 18%;
  transform: translateX(-50%);
  width: 84%;
  max-width: 420px;
  text-align: center;
  font-family: 'VT323', monospace;
  font-size: 22px;
  line-height: 1.35;
  color: var(--teal);
  text-shadow: 0 0 10px rgba(79, 242, 228, 0.8);
  opacity: 0;
  transition: opacity 0.6s;
}
#voice.show { opacity: 1; }

/* ---- Overlays ---- */
.overlay {
  position: fixed;
  inset: 0;
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 22px;
  padding: 24px;
  text-align: center;
  background:
    radial-gradient(ellipse at 50% 60%, rgba(30, 122, 114, 0.16), transparent 70%),
    var(--ink);
}

.overlay h1 {
  font-family: 'VT323', monospace;
  font-weight: 400;
  font-size: clamp(38px, 10vw, 64px);
  letter-spacing: 6px;
  text-shadow: 0 0 14px var(--teal), 0 0 60px rgba(79, 242, 228, 0.4);
  animation: flicker 4s infinite;
}

@keyframes flicker {
  0%, 92%, 100% { opacity: 1; }
  93% { opacity: 0.6; }
  94% { opacity: 1; }
  97% { opacity: 0.75; }
  98% { opacity: 1; }
}

.overlay .dim {
  color: var(--teal-dim);
  font-size: 13px;
  line-height: 1.7;
}
.overlay .tiny { font-size: 10px; }

#bio { margin-top: -8px; }
.links {
  font-size: 13px;
  letter-spacing: 1px;
}
.links a {
  color: var(--teal);
  text-decoration: none;
  border-bottom: 1px solid var(--teal-dim);
}
.links a:active { opacity: 0.6; }
.links .sep { color: var(--teal-dim); margin: 0 10px; }
.overlay .big {
  font-family: 'VT323', monospace;
  font-size: 54px;
  text-shadow: 0 0 14px var(--teal);
}

button {
  font-family: 'VT323', monospace;
  font-size: 26px;
  letter-spacing: 4px;
  color: var(--teal);
  background: transparent;
  border: 1px solid var(--teal);
  padding: 14px 34px;
  cursor: pointer;
  text-shadow: 0 0 8px var(--teal);
  box-shadow: 0 0 12px rgba(79, 242, 228, 0.35), inset 0 0 12px rgba(79, 242, 228, 0.12);
}
button:active {
  background: rgba(79, 242, 228, 0.15);
}

#qr {
  padding: 12px;
  border: 1px solid var(--teal-dim);
  box-shadow: 0 0 24px rgba(79, 242, 228, 0.25);
}
#qr canvas, #qr img { display: block; image-rendering: pixelated; }

#brand {
  position: fixed;
  bottom: calc(env(safe-area-inset-bottom, 0px) + 6px);
  width: 100%;
  text-align: center;
  font-size: 10px;
  letter-spacing: 3px;
  color: var(--teal-dim);
  z-index: 6;
  pointer-events: none;
}