:root {
  --ink: #16121f;
  --paper: #f7f3ea;
  --accent: #8b5cf6;
  --accent-2: #f2c230;
  --muted: #a39fb0;
  font-family: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  color: var(--paper);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  overflow: hidden;
  background: var(--ink);
  user-select: none;
  -webkit-user-select: none;
  -webkit-tap-highlight-color: transparent;
}

#scene { position: fixed; inset: 0; width: 100%; height: 100%; display: block; touch-action: none; }

.hidden { display: none !important; }

button {
  font: inherit;
  font-weight: 800;
  cursor: pointer;
  border: 0;
  border-radius: 14px;
  color: #fff;
  background: rgba(22, 18, 31, 0.7);
}
button:active { transform: scale(0.96); }
button.play {
  background: var(--accent);
  font-size: 20px;
  padding: 14px 44px;
  box-shadow: 0 5px 0 #5b36b8;
}
button.icon { width: 44px; height: 44px; font-size: 20px; }

.screen {
  position: fixed;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 24px 16px;
  text-align: center;
  background: radial-gradient(ellipse at center, rgba(22, 18, 31, 0.45), rgba(22, 18, 31, 0.92));
}
.screen.dim { background: rgba(22, 18, 31, 0.55); }

.logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  font-size: clamp(44px, 11vw, 96px);
  font-weight: 900;
  line-height: 0.9;
  letter-spacing: 0.02em;
  text-shadow: 0 6px 0 rgba(0, 0, 0, 0.35);
}
.logo span { color: var(--accent); }
.tagline { max-width: 440px; margin: 0; font-size: 17px; line-height: 1.4; }
.small { font-size: 13px; color: var(--muted); margin: 0; }
.touch-only { display: none; }
@media (hover: none) {
  .touch-only { display: block; }
  .mouse-only { display: none; }
}

#hud { position: fixed; inset: 0; pointer-events: none; }
#hud button { pointer-events: auto; }
.bar {
  position: absolute;
  top: max(10px, env(safe-area-inset-top));
  left: 16px;
  right: 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  text-shadow: 0 2px 6px rgba(0, 0, 0, 0.55);
}
.stat { display: flex; flex-direction: column; min-width: 90px; }
.stat.right { align-items: flex-end; }
.stat .label { font-size: 12px; opacity: 0.85; text-transform: uppercase; letter-spacing: 0.08em; }
.stat b { font-size: 26px; font-variant-numeric: tabular-nums; }
.timer {
  font-size: 30px;
  font-weight: 900;
  font-variant-numeric: tabular-nums;
  background: rgba(22, 18, 31, 0.65);
  padding: 4px 16px;
  border-radius: 12px;
}
.timer.hurry { color: #ff6b5b; }
.progress {
  position: absolute;
  top: calc(max(10px, env(safe-area-inset-top)) + 58px);
  left: 50%;
  transform: translateX(-50%);
  width: min(360px, calc(100% - 32px));
  height: 8px;
  border-radius: 8px;
  background: rgba(22, 18, 31, 0.55);
  overflow: hidden;
}
#progress-fill { height: 100%; width: 0; background: linear-gradient(90deg, var(--accent), var(--accent-2)); transition: width 0.3s; }
.progress i { position: absolute; top: 0; bottom: 0; width: 2px; background: rgba(255, 255, 255, 0.5); }
.toast {
  position: absolute;
  top: 34%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.8);
  font-size: clamp(22px, 5vw, 36px);
  font-weight: 900;
  color: var(--accent-2);
  text-shadow: 0 4px 0 rgba(0, 0, 0, 0.35);
  opacity: 0;
  transition: opacity 0.25s, transform 0.25s;
  white-space: nowrap;
}
.toast.on { opacity: 1; transform: translate(-50%, -50%) scale(1); }
#btn-sound { position: absolute; right: 16px; bottom: max(16px, env(safe-area-inset-bottom)); }

.stick {
  position: absolute;
  width: 120px;
  height: 120px;
  margin: -60px 0 0 -60px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.5);
  background: rgba(22, 18, 31, 0.25);
}
#knob {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 48px;
  height: 48px;
  margin: -24px 0 0 -24px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.8);
}

.card {
  background: var(--paper);
  color: var(--ink);
  border-radius: 20px;
  padding: 24px;
  width: min(400px, 100%);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
}
.card h2 { margin: 6px 0 12px; }
.stars { font-size: 44px; letter-spacing: 6px; color: #d9d4c8; }
.stars .on { color: #e8b21a; }
.stats { list-style: none; padding: 0; margin: 0 0 20px; display: grid; gap: 6px; text-align: left; }
.stats li { display: flex; justify-content: space-between; }
.stats b { font-variant-numeric: tabular-nums; }