:root{color-scheme:light;--ink:#172033;--muted:#5a667a;--paper:#fff8ed;--card:#fff;--line:#eadfca;--gold:#f59e0b;--blue:#2563eb;--green:#16a34a;--shadow:0 24px 60px rgba(30,41,59,.15)}*{box-sizing:border-box}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:radial-gradient(circle at top left,rgba(245,158,11,.26),transparent 28rem),radial-gradient(circle at bottom right,rgba(37,99,235,.18),transparent 30rem),linear-gradient(135deg,#fff8ed 0%,#eef6ff 100%);color:var(--ink)}main{width:min(1120px,calc(100% - 32px));margin:0 auto}.hero{padding:24px 0 36px}.crumb{display:flex;justify-content:space-between;gap:16px;align-items:center;color:var(--muted);font-size:.95rem;margin-bottom:28px}.crumb a{color:var(--ink);text-decoration:none;font-weight:850}.hero-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(330px,470px);gap:28px;align-items:center}.eyebrow{color:#9a5b00;font-weight:950;text-transform:uppercase;letter-spacing:.08em;font-size:.82rem}h1{font-size:clamp(2.35rem,7vw,5.1rem);line-height:.94;margin:0 0 18px;letter-spacing:-.07em}.lede{font-size:clamp(1.05rem,2vw,1.32rem);color:var(--muted);max-width:58ch;line-height:1.55}.preset-row,.custom-row,.actions{display:flex;flex-wrap:wrap;gap:10px;align-items:center}.preset-row{margin:26px 0 18px}.pill,button{border:0;font:inherit;cursor:pointer}.pill{border:2px solid var(--line);background:rgba(255,255,255,.88);color:var(--ink);padding:11px 14px;border-radius:999px;font-weight:850;box-shadow:0 8px 18px rgba(31,41,55,.06)}.pill.active{background:var(--ink);border-color:var(--ink);color:#fff}.custom-label{display:block;margin-bottom:8px;font-weight:950}input{width:86px;border:2px solid var(--line);border-radius:14px;padding:12px 11px;font:inherit;font-weight:850;color:var(--ink);background:#fff}.timer-card,.info-card,.tips,.faq{background:rgba(255,255,255,.94);border:1px solid rgba(234,223,202,.95);border-radius:30px;box-shadow:var(--shadow)}.timer-card{padding:clamp(20px,4vw,34px);text-align:center}.progress-wrap{position:relative;width:min(275px,75vw);margin:0 auto 16px}.ring{width:100%;height:auto;transform:rotate(-90deg);filter:drop-shadow(0 12px 24px rgba(23,32,51,.08))}.ring-bg{fill:#fff8ed;stroke:#eadfca;stroke-width:16}.ring-fill{fill:none;stroke:var(--gold);stroke-width:16;stroke-linecap:round;transition:stroke-dashoffset .35s ease,stroke .35s ease}.time{position:absolute;inset:0;display:grid;place-items:center;font-size:clamp(3rem,10vw,5rem);line-height:1;font-weight:950;letter-spacing:-.08em}.timer-card h2{font-size:clamp(1.45rem,3vw,2rem);margin:12px 0 8px}.timer-card p{color:var(--muted);line-height:1.5;margin:0 auto 16px;max-width:36ch}.prompt-box{background:#fff7dc;border:2px dashed #f6c453;border-radius:18px;padding:14px;margin:16px 0 20px;font-size:1.05rem;font-weight:950}.primary,.secondary{border-radius:16px;padding:13px 18px;font-weight:950}.primary{background:var(--gold);color:#23190a;min-width:160px;box-shadow:0 12px 24px rgba(245,158,11,.26)}.secondary{background:#edf4ff;color:#17427b}.small{padding:11px 13px}.content-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin:18px 0}.info-card,.tips,.faq{padding:clamp(20px,3vw,28px)}h2{letter-spacing:-.03em}li{margin:9px 0;color:var(--muted);line-height:1.55}.tips{margin-bottom:18px}.tip-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.tip-grid div{background:#f5fbff;border:1px solid #dceeff;border-radius:18px;padding:16px;font-weight:950;text-align:center}.faq{margin-bottom:38px}details{border-top:1px solid var(--line);padding:15px 0}details:first-of-type{border-top:0}summary{cursor:pointer;font-weight:950}details p{color:var(--muted);line-height:1.6}body.running .ring-fill{stroke:#2563eb}body.final-minute .ring-fill{stroke:#16a34a}body.done .ring-fill{stroke:#22c55e}.site-nav{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:16px;margin:8px 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}@media(max-width:920px){.hero-grid,.content-grid{grid-template-columns:1fr}.tip-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.crumb{align-items:flex-start;flex-direction:column}}@media(max-width:560px){main{width:min(100% - 20px,1120px)}.preset-row .pill{width:100%}.custom-row input{width:74px}.primary,.secondary.small{flex:1}.actions .primary,.actions .secondary{width:100%}.tip-grid{grid-template-columns:1fr}.site-nav{margin-top:8px;padding:10px 12px;border-radius:20px}.site-nav a:not(.site-brand){font-size:.9rem}.brand-mark{width:30px;height:30px}.site-brand span:last-child{max-width:180px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}}