:root{--bg: #f7f7f6;--surface: #ffffff;--text: #17191c;--muted: #6b7078;--line: #e3e4e7;--accent: #c8453f;--accent-soft: #fbeceb;color-scheme:light}@media (prefers-color-scheme: dark){:root{--bg: #0f1115;--surface: #171a20;--text: #e9ebef;--muted: #979da8;--line: #262b34;--accent: #e5484d;--accent-soft: #2a1618;color-scheme:dark}}*{box-sizing:border-box}html,body{margin:0}html{scroll-behavior:smooth}body{background:var(--bg);color:var(--text);font:16px/1.5 ui-sans-serif,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;-webkit-font-smoothing:antialiased;padding:24px}.app{display:grid;justify-items:center;gap:28px;width:min(420px,100%);margin:0 auto;min-height:calc(100vh - 48px);align-content:center}.title{margin:0;font-size:14px;font-weight:550;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}.modes{display:inline-flex;background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:4px;gap:2px}.modes button{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:0;background:none;color:var(--muted);font:inherit;font-size:14px;font-weight:550;padding:7px 16px;border-radius:999px;cursor:pointer;transition:background .15s,color .15s}.modes button:hover{color:var(--text)}.modes button.on{background:var(--accent-soft);color:var(--accent)}.dial{position:relative;width:min(300px,78vw);aspect-ratio:1}.dial svg{width:100%;height:100%;display:block}.dial circle{fill:none;stroke-width:6}.track{stroke:var(--line)}.progress{stroke:var(--accent);stroke-linecap:round;transition:stroke-dashoffset .3s linear}.readout{position:absolute;top:0;right:0;bottom:0;left:0;display:grid;place-content:center;justify-items:center;gap:6px}#time{font-size:clamp(44px,13vw,60px);font-weight:600;letter-spacing:-.03em;font-variant-numeric:tabular-nums}.label{color:var(--muted);font-size:14px}.controls{display:flex;gap:10px}.controls button{-webkit-appearance:none;-moz-appearance:none;appearance:none;font:inherit;font-weight:560;padding:11px 30px;border-radius:999px;cursor:pointer;border:1px solid var(--line);background:var(--surface);color:var(--text);transition:background .15s,border-color .15s,transform .05s}.controls button:hover{border-color:var(--muted)}.controls button:active{transform:translateY(1px)}.controls .primary{background:var(--accent);border-color:var(--accent);color:#fff;min-width:132px}.controls .primary:hover{filter:brightness(1.06)}.controls button:focus-visible,.modes button:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.rounds{margin:0;color:var(--muted);font-size:13.5px}@media (prefers-reduced-motion: reduce){*{transition-duration:.01ms!important}}kbd{font:inherit;font-size:12px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;border:1px solid var(--line);border-bottom-width:2px;border-radius:5px;padding:1px 5px;color:var(--text)}.prose{max-width:62ch;margin:0 auto;padding:8px 0 72px;border-top:1px solid var(--line);line-height:1.65}.prose h2{font-size:20px;font-weight:620;letter-spacing:-.01em;margin:40px 0 12px}.prose h3{font-size:16px;font-weight:600;margin:24px 0 6px}.prose p{margin:0 0 14px}.prose ol{margin:0 0 14px;padding-left:20px}.prose li{margin-bottom:8px}.prose em{color:var(--muted)}.prose a{color:var(--accent)}.foot{margin-top:40px;padding-top:16px;border-top:1px solid var(--line)}.foot p{color:var(--muted);font-size:14px;margin:0}