:root{color-scheme:light;--ink:#172033;--muted:#5f697c;--card:rgba(255,255,255,.94);--line:#e1e7f2;--blue:#3b82f6;--green:#22a06b;--gold:#f7b731;--red:#ef4444;--shadow:0 24px 70px rgba(28,47,79,.15)}*{box-sizing:border-box}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:radial-gradient(circle at top left,#fde68a 0,transparent 30rem),radial-gradient(circle at top right,#c7d2fe 0,transparent 31rem),linear-gradient(135deg,#fffaf0,#eef7ff 58%,#f7f2ff)}main{width:min(1120px,calc(100% - 32px));margin:0 auto;padding:24px 0 42px}.site-nav{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:16px;margin:0 0 24px;padding:12px 16px;background:rgba(255,255,255,.86);border:1px solid #e1e5ee;border-radius:24px;box-shadow:0 10px 24px rgba(22,31,54,.06);backdrop-filter:blur(12px)}.site-brand{display:inline-flex;align-items:center;gap:10px;color:#172033;text-decoration:none;font-weight:800}.brand-mark{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:12px;background:#172033;color:#fff;font-weight:900}.site-nav a:not(.site-brand){color:#4b5565;text-decoration:none;font-weight:700;font-size:.95rem}.site-nav a:hover{text-decoration:underline}.hero{display:grid;grid-template-columns:minmax(0,1fr) minmax(330px,460px);gap:28px;align-items:center;padding:14px 0 24px}.eyebrow{margin:0 0 12px;color:#8b5a00;font-weight:950;text-transform:uppercase;letter-spacing:.08em;font-size:.82rem}h1{margin:0 0 18px;font-size:clamp(2.35rem,7vw,5.05rem);line-height:.96;letter-spacing:-.045em}.lede{max-width:58ch;color:var(--muted);font-size:clamp(1.06rem,2vw,1.28rem);line-height:1.58}.mode-row,.preset-row,.custom-row,.actions{display:flex;flex-wrap:wrap;gap:10px;align-items:center}.mode-row{margin-top:24px}.preset-row{margin:14px 0 18px}button,input{font:inherit}button{border:0;cursor:pointer}.mode,.pill{border:2px solid var(--line);background:rgba(255,255,255,.84);color:var(--ink);padding:11px 14px;border-radius:999px;font-weight:900;box-shadow:0 8px 18px rgba(31,41,55,.06)}.mode.active{background:#fff0ac;border-color:#f0b429}.pill.active{background:var(--ink);color:#fff;border-color:var(--ink)}.custom-label{display:block;margin:0 0 8px;font-weight:950}input{width:104px;border:2px solid var(--line);border-radius:14px;padding:12px;font-weight:900;color:var(--ink);background:#fff}.timer-card,.info-card,.related,.faq{background:var(--card);border:1px solid rgba(227,232,242,.95);border-radius:30px;box-shadow:var(--shadow)}.timer-card{padding:clamp(20px,4vw,34px);text-align:center}.screen{border-radius:28px;padding:clamp(20px,5vw,34px);background:linear-gradient(180deg,#172033,#374151);color:#fff;box-shadow:inset 0 -12px 30px rgba(0,0,0,.14)}.book{font-size:clamp(2.4rem,7vw,4.2rem);margin-bottom:8px}.time{font-size:clamp(4rem,16vw,7.2rem);font-weight:950;line-height:.9;letter-spacing:-.09em}.bar{height:17px;margin:22px 0 20px;background:rgba(255,255,255,.16);border-radius:999px;overflow:hidden}.bar span{display:block;width:100%;height:100%;background:linear-gradient(90deg,var(--green),var(--gold));border-radius:inherit;transition:width .35s ease,background .35s ease}.timer-card h2{margin:8px 0;font-size:clamp(1.35rem,3vw,1.9rem)}.timer-card p{color:rgba(255,255,255,.78);line-height:1.5;max-width:34ch;margin:0 auto 16px}.prompt-box{margin-top:16px;padding:14px;border-radius:18px;background:rgba(255,255,255,.1);border:1px dashed rgba(255,255,255,.35);font-weight:900;line-height:1.42}.actions{justify-content:center;margin-top:18px}.primary,.secondary{border-radius:16px;padding:13px 18px;font-weight:950}.primary{min-width:190px;background:var(--green);color:#fff;box-shadow:0 12px 24px rgba(34,160,107,.26)}.secondary{background:#edf4ff;color:#17427b}.small{padding:11px 13px}.content-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin:18px 0}.info-card,.related,.faq{padding:clamp(20px,3vw,28px)}.wide{grid-column:1/-1}h2{letter-spacing:-.03em}li,.info-card p,details p{color:var(--muted);line-height:1.6}li{margin:9px 0}.related{margin-bottom:18px}.related-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.related-grid a{display:grid;place-items:center;min-height:76px;padding:14px;text-align:center;text-decoration:none;color:var(--ink);font-weight:950;border:1px solid #dbe7ff;border-radius:18px;background:#f5fbff}.faq{margin-bottom:24px}details{border-top:1px solid var(--line);padding:15px 0}details:first-of-type{border-top:0}summary{cursor:pointer;font-weight:950}body.running .bar span{background:linear-gradient(90deg,var(--blue),#7dd3fc)}body.final .bar span{background:linear-gradient(90deg,var(--red),var(--gold)}body.done .bar span{background:linear-gradient(90deg,var(--green),#86efac)}@media(max-width:850px){.hero,.content-grid{grid-template-columns:1fr}.related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:540px){main{width:min(100% - 20px,1120px);padding-top:14px}.site-nav{padding:10px 12px;border-radius:20px}.brand-mark{width:30px;height:30px}.site-brand span:last-child{max-width:180px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.mode,.pill{flex:1 1 calc(50% - 8px)}.actions .primary,.actions .secondary{width:100%}.related-grid{grid-template-columns:1fr}}