/* NV Chrono — cream dial, platinum bezel, racing green case, red sweep hand. Fonts: IBM Plex (SIL OFL). */
@font-face { font-family: 'Plex Mono'; src: url('./fonts/ibm-plex-mono-latin-300-normal.woff2') format('woff2'); font-weight: 300; font-display: swap; }
@font-face { font-family: 'Plex Mono'; src: url('./fonts/ibm-plex-mono-latin-400-normal.woff2') format('woff2'); font-weight: 400; font-display: swap; }
@font-face { font-family: 'Plex Condensed'; src: url('./fonts/ibm-plex-sans-condensed-latin-500-normal.woff2') format('woff2'); font-weight: 500; font-display: swap; }
@font-face { font-family: 'Plex Condensed'; src: url('./fonts/ibm-plex-sans-condensed-latin-600-normal.woff2') format('woff2'); font-weight: 600; font-display: swap; }

:root {
  --green: #0f2a1f;
  --green-deep: #08150f;
  --cream: #f7f1e3;
  --platinum: #cfd5d8;
  --muted: #9fb3a8;
  --red: #c8352c;
  --gold: #c9a35b;
  --line: rgba(207, 213, 216, 0.18);
  --sans: 'Plex Condensed', 'Arial Narrow', system-ui, sans-serif;
  --mono: 'Plex Mono', ui-monospace, Consolas, monospace;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; min-height: 100vh; color: var(--cream); font: 500 16px/1.45 var(--sans);
  background: radial-gradient(110% 70% at 50% 0%, #1d4433 0%, var(--green) 45%, var(--green-deep) 100%) fixed, var(--green-deep);
}
[hidden] { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
button, input { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; }
a { color: var(--platinum); }

.case { width: min(560px, 100%); margin: 0 auto; padding: clamp(14px, 3vw, 32px) 16px 28px; display: grid; gap: 18px; }
.head { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; justify-content: space-between; }
.brand { margin: 0; font-size: 12px; letter-spacing: 0.24em; text-transform: uppercase; color: var(--gold); }
.brand span { color: var(--cream); font-weight: 600; }
.tabs { display: inline-flex; padding: 3px; border-radius: 999px; background: rgba(0, 0, 0, 0.3); border: 1px solid var(--line); }
.tabs button { position: relative; border: 0; background: transparent; border-radius: 999px; padding: 7px 16px; cursor: pointer; color: var(--muted); font-weight: 600; letter-spacing: 0.02em; }
.tabs button[aria-selected='true'] { background: linear-gradient(var(--platinum), #9aa1a6); color: #11201a; }
.dot { position: absolute; top: 6px; right: 7px; width: 6px; height: 6px; border-radius: 50%; background: var(--red); opacity: 0; }
.dot.on { opacity: 1; animation: blink 1s steps(2) infinite; }
@keyframes blink { 50% { opacity: 0.25; } }

.watch { position: relative; width: min(100%, 380px); margin: 0 auto; filter: drop-shadow(0 26px 40px rgba(0, 0, 0, 0.55)); }
.dial { display: block; width: 100%; height: auto; }
.ring { fill: none; stroke: var(--gold); stroke-width: 5; stroke-dasharray: 0 100; transform: rotate(-90deg); transform-origin: 150px 150px; transition: stroke-dasharray 0.25s linear; }
.tick { stroke: #2b3a33; stroke-linecap: round; }
.tick--major { stroke: #13201a; stroke-width: 2.4; }
.tick--minor { stroke-width: 1; opacity: 0.6; }
.numerals text { font: 500 13px var(--sans); fill: #23332b; text-anchor: middle; dominant-baseline: central; }
.dial__name { font: 600 9px var(--sans); letter-spacing: 3px; fill: #7a6a4b; text-anchor: middle; }
.sub__face { fill: #efe6d2; stroke: #c2b392; stroke-width: 1; }
.sub__ticks line, #sub-ticks line { stroke: #6a5f49; stroke-width: 1; }
.sub__label { font: 600 7px var(--sans); letter-spacing: 1.5px; fill: #7a6a4b; text-anchor: middle; }
.sub__hand { stroke: #13201a; stroke-width: 2; stroke-linecap: round; transform-origin: 150px 208px; }
.sub__pin { fill: #13201a; }
.hand { stroke: var(--red); stroke-width: 2.2; stroke-linecap: round; transform-origin: 150px 150px; }
.pin { fill: var(--red); }
.readout {
  position: absolute; left: 50%; top: 56%; transform: translateX(-50%); padding: 3px 10px; border-radius: 8px;
  font: 400 clamp(20px, 6vw, 26px) var(--mono); letter-spacing: 0.02em; color: #13201a; background: rgba(255, 255, 255, 0.55);
  box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.18); white-space: nowrap;
}
.watch.is-ringing .readout { color: var(--red); animation: blink 0.6s steps(2) infinite; }

.panel { display: grid; gap: 14px; }
.controls { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }
.btn {
  min-width: 120px; min-height: 48px; padding: 8px 22px; border-radius: 999px; cursor: pointer; font-weight: 600; letter-spacing: 0.04em;
  border: 1px solid var(--line); background: linear-gradient(#24463a, #183327); color: var(--cream); box-shadow: 0 2px 0 rgba(0, 0, 0, 0.4);
}
.btn:hover:not(:disabled) { border-color: rgba(207, 213, 216, 0.4); }
.btn:active:not(:disabled) { transform: translateY(1px); box-shadow: 0 1px 0 rgba(0, 0, 0, 0.4); }
.btn:disabled { opacity: 0.4; cursor: default; }
.btn--go { background: linear-gradient(#f2f4f5, #aab1b5); color: #11201a; border-color: transparent; }
.btn--stop { background: linear-gradient(#d9473d, #9f2620); color: #fff; border-color: transparent; }

.laps-head { display: flex; justify-content: space-between; align-items: baseline; border-bottom: 1px solid var(--line); padding-bottom: 6px; }
.laps-head h2 { margin: 0; font-size: 12px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--gold); }
.laps-head h2 span { color: var(--muted); letter-spacing: 0; }
.link { border: 0; background: none; color: var(--platinum); text-decoration: underline; cursor: pointer; padding: 0; }
.laps { list-style: none; margin: 0; padding: 0; max-height: 280px; overflow: auto; }
.laps li { display: grid; grid-template-columns: 70px 1fr 1fr; gap: 8px; padding: 8px 4px; border-bottom: 1px solid rgba(207, 213, 216, 0.08); font: 400 15px var(--mono); }
.laps li span:nth-child(n + 2) { text-align: right; }
.laps li .total { color: var(--muted); }
.laps li.best { color: #7fd6a2; }
.laps li.worst { color: #ff8a80; }
.laps:empty::after { content: 'Press Lap while the stopwatch runs.'; display: block; padding: 10px 4px; color: var(--muted); font: 500 14px var(--sans); }

.set { display: flex; justify-content: center; gap: 10px; }
.set label { display: grid; justify-items: center; gap: 2px; font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.14em; }
.set input {
  width: 84px; min-height: 52px; text-align: center; border-radius: 12px; border: 1px solid var(--line); background: rgba(0, 0, 0, 0.3);
  font: 300 28px var(--mono); color: var(--cream);
}
.set input:disabled { opacity: 0.45; }
.presets { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; }
.presets button { border: 1px solid var(--line); background: rgba(0, 0, 0, 0.22); border-radius: 999px; padding: 5px 13px; cursor: pointer; color: var(--muted); }
.presets button:hover:not(:disabled) { color: var(--cream); border-color: rgba(201, 163, 91, 0.6); }
.presets button:disabled { opacity: 0.4; cursor: default; }
.alarm { display: flex; justify-content: center; align-items: center; gap: 14px; padding: 12px; border-radius: 14px; background: rgba(200, 53, 44, 0.22); border: 1px solid rgba(255, 138, 128, 0.45); }
.alarm p { margin: 0; font-size: 20px; font-weight: 600; }

.hint { margin: 0; text-align: center; font-size: 13px; color: var(--muted); }
kbd { font: 400 11px var(--mono); border: 1px solid var(--line); border-bottom-width: 2px; border-radius: 5px; padding: 0 5px; background: rgba(0, 0, 0, 0.25); }
.credit { margin: 6px 0 0; text-align: center; font-size: 13px; color: rgba(247, 241, 227, 0.5); }
@media (prefers-reduced-motion: reduce) { * { animation: none !important; transition: none !important; } }