:root{--bg:#eef8ff;--card:#fff;--ink:#102033;--muted:#607084;--blue:#2563eb;--cyan:#06b6d4;--mint:#a7f3d0;--line:#d7e7f1;--amber:#f59e0b;--red:#ef4444;--shadow:0 24px 70px rgba(37,99,235,.16)}*{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 10% 6%,#bfdbfe,transparent 28rem),radial-gradient(circle at 88% 8%,#cffafe,transparent 30rem),linear-gradient(180deg,#fbfdff,var(--bg))}main{max-width:1120px;margin:0 auto;padding:22px}.site-nav{display:flex;align-items:center;justify-content:space-between;gap:16px;margin:0 0 24px;padding:12px 16px;background:rgba(255,255,255,.9);border:1px solid #e1e8ee;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:850}.brand-mark{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:12px;background:#172033;color:#fff}.site-nav a:not(.site-brand),.crumb a{color:var(--blue);text-decoration:none;font-weight:800}.site-nav a:hover,.crumb a:hover{text-decoration:underline}.crumb{display:flex;justify-content:space-between;gap:12px;margin-bottom:28px;color:var(--muted);font-size:.94rem}.hero{padding:10px 0 42px}.hero-grid{display:grid;grid-template-columns:minmax(0,1fr) 440px;gap:34px;align-items:center}.eyebrow{text-transform:uppercase;letter-spacing:.14em;color:var(--blue);font-weight:950;font-size:.78rem;margin:0 0 12px}h1{font-size:clamp(2.55rem,7vw,5.4rem);letter-spacing:-.075em;line-height:.92;margin:0 0 18px}h2{letter-spacing:-.035em}.lede{font-size:clamp(1.08rem,2vw,1.32rem);line-height:1.65;color:var(--muted);max-width:650px}.goal-card{display:flex;align-items:center;flex-wrap:wrap;gap:12px;margin-top:22px;padding:14px;background:rgba(255,255,255,.78);border:1px solid var(--line);border-radius:22px;max-width:560px}.goal-card label{display:flex;align-items:center;gap:10px;font-weight:900;color:var(--ink)}select{border:1px solid var(--line);border-radius:999px;padding:10px 36px 10px 14px;background:#fff;color:var(--ink);font-weight:900}.preset-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.preset,.pill,.primary,.secondary{border:0;border-radius:999px;font-weight:900;cursor:pointer;transition:transform .15s ease,box-shadow .15s ease,background .15s ease}.preset,.pill{padding:11px 15px;background:#fff;color:var(--blue);border:1px solid var(--line)}.preset.active,.pill:hover{background:var(--blue);color:#fff;box-shadow:0 10px 20px rgba(37,99,235,.2)}button:hover{transform:translateY(-1px)}.timer-card{background:rgba(255,255,255,.94);border:1px solid var(--line);border-radius:36px;padding:24px;box-shadow:var(--shadow);text-align:center}.status-pill{display:inline-flex;margin-bottom:12px;padding:8px 14px;border-radius:999px;background:#ecfeff;color:#0369a1;font-weight:950}.status-pill.out{background:#fff7ed;color:#c2410c}.progress-wrap{position:relative;width:min(280px,78vw);margin:0 auto}.ring{width:100%;height:auto;transform:rotate(-90deg)}.ring-bg,.ring-fill{fill:none;stroke-width:18}.ring-bg{stroke:#e8f2f8}.ring-fill{stroke:var(--cyan);stroke-linecap:round;transition:stroke-dashoffset .35s ease,stroke .2s ease}.ring-fill.warning{stroke:var(--amber)}.ring-fill.over{stroke:var(--red)}.time{position:absolute;inset:0;display:grid;place-items:center;font-size:clamp(3rem,9vw,4.6rem);font-weight:950;letter-spacing:-.08em}.timer-card h2{font-size:1.55rem;margin:8px 0}.timer-card p{color:var(--muted);line-height:1.5;margin:0 auto 18px;max-width:330px}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:18px 0}.stats div{background:#f8fbff;border:1px solid var(--line);border-radius:18px;padding:12px 8px}.stats span{display:block;font-size:1.22rem;font-weight:950}.stats small{display:block;color:var(--muted);font-weight:800;margin-top:3px}.actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:18px}.primary{padding:15px 22px;background:var(--blue);color:#fff;box-shadow:0 12px 24px rgba(37,99,235,.24)}.primary.stop{background:#ea580c}.secondary{padding:15px 20px;background:#eaf2f8;color:#19324a}.content-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:28px 0}.info-card,.tips,.faq,.related{background:rgba(255,255,255,.9);border:1px solid var(--line);border-radius:28px;padding:24px;box-shadow:0 14px 40px rgba(35,65,91,.07)}.info-card ol{padding-left:20px;line-height:1.8;color:var(--muted)}.highlight{background:linear-gradient(145deg,#eff6ff,#ecfeff)}.note{font-size:.94rem;color:var(--muted)}.tip-grid,.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.tip-grid div,.related-grid a{display:flex;flex-direction:column;gap:5px;padding:16px;border:1px solid var(--line);border-radius:18px;background:#fff}.tip-grid span{color:var(--muted);line-height:1.45}.faq{margin-top:18px}.faq details{border-top:1px solid var(--line);padding:16px 0}.faq details:first-of-type{border-top:0}.faq summary{cursor:pointer;font-weight:900}.faq p{color:var(--muted);line-height:1.65}.related{margin-top:18px}.related-grid{grid-template-columns:repeat(4,1fr)}.related-grid a{color:var(--blue);font-weight:900;text-decoration:none}footer{text-align:center;color:var(--muted);padding:34px 0 12px}@media(max-width:880px){main{padding:16px}.hero-grid,.content-grid{grid-template-columns:1fr}.hero-grid{gap:22px}.timer-card{order:-1}.crumb{flex-direction:column}.tip-grid,.related-grid{grid-template-columns:1fr}.stats{grid-template-columns:1fr}.actions .primary,.actions .secondary{width:100%}}