:root {
  --ink: #fff6e8;
  --ink-dim: rgba(255, 246, 232, 0.65);
  --glass: rgba(20, 18, 28, 0.42);
  --glass-border: rgba(255, 236, 210, 0.18);
  --accent: #ffc27a;
  color-scheme: dark;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  overflow: hidden;
  background: #0b0e1c;
  font-family: "Avenir Next", "Nunito", "Segoe UI", system-ui, sans-serif;
  color: var(--ink);
}

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

#hud {
  position: fixed;
  top: calc(16px + env(safe-area-inset-top, 0px));
  left: calc(16px + env(safe-area-inset-left, 0px));
  pointer-events: none;
}

.card {
  pointer-events: auto;
  min-width: 190px;
  padding: 14px 16px 12px;
  border-radius: 16px;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(14px) saturate(1.3);
  -webkit-backdrop-filter: blur(14px) saturate(1.3);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
}

.row {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

#clock {
  font-size: 34px;
  font-weight: 600;
  letter-spacing: 0.02em;
  font-variant-numeric: tabular-nums;
  line-height: 1;
}

#phase {
  margin-top: 6px;
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-dim);
}

.controls {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 12px;
}

input[type="range"] {
  flex: 1;
  accent-color: var(--accent);
  cursor: pointer;
}

button {
  font: inherit;
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--glass-border);
  background: rgba(255, 255, 255, 0.08);
  color: var(--ink);
  cursor: pointer;
}
.hint {
  margin-top: 10px;
  font-size: 11px;
  line-height: 1.4;
  color: var(--ink-dim);
  max-width: 230px;
}

button:hover { background: rgba(255, 255, 255, 0.16); }
button[disabled] { opacity: 0.45; cursor: default; }

@media (max-width: 480px) {
  .card { min-width: 160px; padding: 12px 14px 10px; }
  #clock { font-size: 28px; }
}