/* 타이머: 큰 숫자 링. 남은 양은 초록 호, 끝나면 링 전체가 경고색으로 뛴다. */
:root { --accent: #047857; --on-accent: #f4fffa; --alarm: #be123c; }
@media (prefers-color-scheme: dark) { :root { --accent: #34d399; --on-accent: #04130d; --alarm: #fb7185; } }

.top .wake { margin-left: auto; font-size: 0.75rem; color: var(--accent); border: 1px solid currentColor; border-radius: 999px; padding: 2px 10px; }

.tabs {
  display: grid; grid-template-columns: 1fr 1fr;
  padding: 4px; gap: 4px;
  border: 1px solid var(--line); border-radius: 999px; background: var(--surface);
}
.tab {
  min-height: 44px; border: 0; border-radius: 999px; background: transparent;
  font-weight: 700; cursor: pointer; color: var(--muted); touch-action: manipulation;
  transition: background-color 180ms var(--ease), color 180ms var(--ease);
}
.tab[aria-selected="true"] { background: var(--ink); color: var(--bg); }

.panel { padding-top: 12px; }
.ring-wrap {
  position: relative;
  width: min(72vw, 38dvh, 300px); aspect-ratio: 1;
  margin: 4px auto 8px;
}
.ring { width: 100%; height: 100%; transform: rotate(-90deg); display: block; }
.ring circle { fill: none; stroke-width: 10; }
.ring .track { stroke: var(--line); }
.ring .arc {
  stroke: var(--accent); stroke-linecap: round;
  stroke-dasharray: 1000; stroke-dashoffset: 0;
  transition: stroke-dashoffset 260ms linear, stroke 200ms;
}
.face { position: absolute; inset: 0; display: grid; place-content: center; text-align: center; }
.digits {
  font-family: var(--mono); font-variant-numeric: tabular-nums;
  font-size: clamp(2.5rem, 13vw, 4.25rem); font-weight: 600; letter-spacing: -0.04em; line-height: 1;
}
.digits small { font-size: 0.45em; color: var(--muted); letter-spacing: 0; }
.sub { margin-top: 8px; font-size: 0.875rem; color: var(--muted); }

.is-running .arc { stroke: var(--accent); }
.is-paused .digits { color: var(--muted); }
.is-done .ring .track { stroke: var(--alarm); }
.is-done .digits { color: var(--alarm); }
@media (prefers-reduced-motion: no-preference) {
  .is-done .ring-wrap { animation: pulse 900ms var(--ease) infinite; }
}
@keyframes pulse { 0%, 100% { transform: scale(1); } 40% { transform: scale(1.03); } }

.done {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 10px 12px 10px 16px; margin-bottom: 10px;
  border-left: 4px solid var(--alarm); background: color-mix(in srgb, var(--alarm) 10%, var(--surface));
  border-radius: var(--radius-sm);
}
.done[hidden] { display: none; }
.done .btn.primary { background: var(--alarm); border-color: var(--alarm); color: #fff; }

.presets { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 6px; }
.chip {
  min-height: 44px; border: 1px solid var(--line-strong); border-radius: var(--radius-sm);
  background: var(--surface); font-weight: 700; cursor: pointer; font-variant-numeric: tabular-nums;
  touch-action: manipulation; padding: 0 4px;
}
.chip[aria-pressed="true"] { border-color: var(--accent); box-shadow: inset 0 -3px 0 var(--accent); }

.custom { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) auto; gap: 8px; align-items: end; margin-top: 10px; }
.controls { display: grid; grid-template-columns: 1fr 2fr; gap: 8px; margin-top: 12px; }
.controls .btn { min-height: 52px; font-size: 1.0625rem; }

.laps { list-style: none; margin: 12px 0 0; padding: 0; counter-reset: lap; }
.laps li {
  display: flex; justify-content: space-between; min-height: 44px; align-items: center;
  border-bottom: 1px solid var(--line); font-family: var(--mono); font-variant-numeric: tabular-nums;
}
.laps li span:first-child { color: var(--muted); font-family: var(--font); }