:root{color-scheme:light dark;font-family:system-ui,-apple-system,"Segoe UI",sans-serif;color:#182c43;background:#f1f5f8}
*{box-sizing:border-box}body{margin:0;min-height:100svh;display:grid;place-items:center;padding:28px 18px}
main{text-align:center;width:min(100%,900px);padding:38px 32px;background:white;border:1px solid #e1e8ee;border-radius:24px;box-shadow:0 18px 50px #182c430a}
.badge{display:inline-block;margin:0;padding:6px 12px;border-radius:20px;background:#e6f3ef;color:#216751;font-size:12px;font-weight:650;letter-spacing:.06em}
h1{margin:18px 0 8px;font-size:clamp(34px,8vw,48px);letter-spacing:-.04em}.intro{margin:0 0 26px;color:#637485}
svg{display:block;width:min(100%,300px);margin:0 auto 22px;overflow:visible}.face{fill:#fafcfd;stroke:#dbe4eb;stroke-width:2}
.tick{stroke:#a5b4c1;stroke-width:1.4}.major{stroke:#536b80;stroke-width:2.4}.numbers{fill:#536b80;font-size:19px;text-anchor:middle;font-weight:550}
.hour,.minute{stroke:#182c43;stroke-linecap:round}.hour{stroke-width:7}.minute{stroke-width:4.5}.second{stroke:#d85b43;stroke-width:2;stroke-linecap:round}.pin{fill:#d85b43}
time{display:block;font-size:25px;letter-spacing:.08em;font-variant-numeric:tabular-nums}.zone{margin:9px 0 0;color:#637485;font-size:13px}
@media(prefers-color-scheme:dark){:root{color:#edf3f8;background:#101923}main{background:#172331;border-color:#2d4154}.badge{background:#203d35;color:#9de0c5}.intro,.zone{color:#b0c0d0}.face{fill:#1d2d3e;stroke:#3b5167}.tick{stroke:#768da3}.major{stroke:#aec1d3}.numbers{fill:#aec1d3}.hour,.minute{stroke:#edf3f8}.second{stroke:#ff8066}.pin{fill:#ff8066}}
.timer{margin-top:30px;padding-top:26px;border-top:1px solid #dbe4eb}.timer h2{margin:0 0 12px;font-size:21px;letter-spacing:-.02em}.timer-display{display:block;font-size:clamp(34px,9vw,46px);font-weight:650;letter-spacing:.06em;font-variant-numeric:tabular-nums;line-height:1.25}.timer-status{min-height:22px;margin:8px 0 18px;color:#637485;font-size:14px}.timer-duration{border:0;padding:0;margin:0 0 18px;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.timer-duration legend{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}.timer-duration label{font-size:12px;color:#637485;text-align:left}.timer-duration input{display:block;width:100%;margin-top:6px;padding:10px;border:1px solid #c7d3de;border-radius:9px;font:inherit;font-size:18px;background:#fafcfd;color:#182c43;font-variant-numeric:tabular-nums}.timer-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:8px}button{padding:10px 14px;border:1px solid #c7d3de;border-radius:9px;background:#f1f5f8;color:#182c43;font:inherit;font-size:14px;cursor:pointer;min-height:42px}button.primary{background:#216751;color:white;border-color:#216751}button:hover:not(:disabled){filter:brightness(.94)}button:disabled{opacity:.45;cursor:default}input:focus-visible,button:focus-visible{outline:3px solid #5595c2;outline-offset:3px}.gong-controls{display:flex;align-items:flex-end;gap:16px;margin-top:22px;text-align:left}.gong-controls label{flex:1;min-width:0;font-size:12px;color:#637485}.gong-controls output{float:right;font-variant-numeric:tabular-nums}.gong-controls input{display:block;width:100%;margin:10px 0 4px;accent-color:#216751}.timer-error{font-size:13px;color:#ae342a;margin:0 0 14px}.timer-hint{font-size:12px;line-height:1.5;color:#637485;margin:12px 0 0}.timer[data-state=finished] .timer-display{color:#216751}
@media(prefers-color-scheme:dark){.timer{border-color:#3b5167}.timer-status,.timer-duration label,.gong-controls label,.timer-hint{color:#b0c0d0}.timer-duration input{background:#1d2d3e;border-color:#526b82;color:#edf3f8}button{background:#24384d;border-color:#526b82;color:#edf3f8}button.primary{background:#2b745e;border-color:#2b745e}.gong-controls input{accent-color:#9de0c5}.timer-error{color:#ff9f8b}.timer[data-state=finished] .timer-display{color:#9de0c5}}
@media(max-width:380px){main{padding:28px 16px}.timer-duration{gap:8px}.timer-actions button{padding:10px 11px}.gong-controls{gap:10px}.gong-controls button{padding:10px;font-size:12px}}
.clock-and-timer{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);gap:32px;align-items:center}.clock-panel{min-width:0}.clock-and-timer .timer{margin-top:0;padding:10px 0 10px 32px;border-top:0;border-left:1px solid #dbe4eb;min-width:0}
@media(prefers-color-scheme:dark){.clock-and-timer .timer{border-left-color:#3b5167}}
@media(max-width:700px){main{width:min(100%,480px);padding:32px 24px}.clock-and-timer{grid-template-columns:minmax(0,1fr);gap:26px}.clock-and-timer .timer{padding:24px 0 0;border-left:0;border-top:1px solid #dbe4eb}@media(prefers-color-scheme:dark){.clock-and-timer .timer{border-top-color:#3b5167}}}
@media(max-width:380px){main{padding:28px 16px}}