:root{font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#121826;background:#10131e;--ink:#121826;--muted:#667085;--card:#ffffff;--line:#e2e8f0;--accent:#f97316;--accent-dark:#c2410c;--green:#22c55e}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:radial-gradient(circle at 20% 0%,#3b1d0d 0,#10131e 38%,#0b1020 100%);color:#f8fafc}main{max-width:1120px;margin:0 auto;padding:24px 18px 56px}nav{display:flex;justify-content:space-between;gap:16px;align-items:center;margin-bottom:34px;color:#fed7aa;font-weight:800}nav a{color:#ffedd5;text-decoration:none}nav span{font-size:.9rem}.hero{padding:18px 0 28px}.hero-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(310px,450px);gap:28px;align-items:center}.eyebrow{display:inline-flex;margin:0 0 14px;padding:8px 12px;border:1px solid rgba(251,146,60,.45);border-radius:999px;background:rgba(15,23,42,.74);color:#fed7aa;font-weight:900;font-size:.86rem}h1{font-size:clamp(2.5rem,8vw,6.2rem);line-height:.88;letter-spacing:-.078em;margin:0 0 18px;color:#fff}.lede{font-size:clamp(1.04rem,2vw,1.25rem);line-height:1.7;color:#d6dbe7;max-width:690px}.preset-row,.actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}.pill,.secondary,.primary{border:0;border-radius:999px;font-weight:900;cursor:pointer;transition:transform .15s ease,box-shadow .15s ease,background .15s ease}.pill{padding:11px 14px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);color:#fff}.pill.active{background:#fff;color:#9a3412;box-shadow:0 14px 28px rgba(0,0,0,.22)}button:active{transform:translateY(1px)}.timer-card{background:linear-gradient(180deg,rgba(255,255,255,.98),rgba(255,247,237,.98));color:var(--ink);border:1px solid rgba(255,255,255,.45);border-radius:34px;padding:24px;box-shadow:0 30px 90px rgba(0,0,0,.34)}.status-line{display:inline-flex;padding:8px 13px;border-radius:999px;background:#111827;color:#fff;font-weight:950;text-transform:uppercase;letter-spacing:.08em;font-size:.78rem}.time-display{font-variant-numeric:tabular-nums;font-size:clamp(4.5rem,18vw,8.8rem);font-weight:1000;letter-spacing:-.09em;line-height:.9;margin:22px 0 8px}.round-display{display:flex;justify-content:space-between;align-items:center;gap:12px;font-weight:950;font-size:1.15rem;color:#334155}.round-display span:last-child{color:#64748b}.progress-wrap{height:16px;border-radius:999px;overflow:hidden;background:#fed7aa;margin:22px 0 14px}#progressBar{height:100%;width:0%;background:linear-gradient(90deg,var(--accent),#ef4444);border-radius:999px;transition:width .15s linear}.next-cue{min-height:32px;color:#475569;font-weight:800}.primary,.secondary{padding:14px 18px;font-size:1rem}.primary{background:var(--accent);color:#fff;box-shadow:0 14px 26px rgba(249,115,22,.32)}.secondary{background:#111827;color:#fff}.settings,.info-card,.faq{background:rgba(255,255,255,.97);color:var(--ink);border:1px solid var(--line);border-radius:28px;padding:24px;margin-top:22px;box-shadow:0 18px 60px rgba(0,0,0,.16)}h2{font-size:clamp(1.45rem,3vw,2.15rem);letter-spacing:-.04em;margin:0 0 16px}.settings-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}label{display:grid;gap:8px;font-weight:900;color:#334155}input{width:100%;border:1px solid #cbd5e1;border-radius:16px;padding:13px 14px;font:inherit;font-weight:850;color:#111827;background:#f8fafc}input:focus{outline:3px solid rgba(249,115,22,.22);border-color:#fb923c}.hint{color:#64748b;line-height:1.6;margin:16px 0 0}.content-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}.info-card ol,.info-card ul{padding-left:22px;line-height:1.8;color:#475569}.info-card li+li{margin-top:5px}.workout-card strong{color:#9a3412}.faq details{border-top:1px solid #e2e8f0;padding:15px 0}.faq details:first-of-type{border-top:0}.faq summary{cursor:pointer;font-weight:950}.faq p{color:#475569;line-height:1.65;margin:10px 0 0}footer{text-align:center;color:#cbd5e1;padding:28px 18px 42px}@media (max-width:820px){main{padding-inline:14px}.hero-grid,.content-grid{grid-template-columns:1fr}.settings-grid{grid-template-columns:1fr 1fr}.timer-card{padding:20px}.time-display{font-size:clamp(4.3rem,26vw,7rem)}}@media (max-width:520px){nav{align-items:flex-start;flex-direction:column;margin-bottom:24px}.settings-grid{grid-template-columns:1fr}.actions .primary,.actions .secondary{width:100%}.preset-row .pill{flex:1 1 calc(50% - 8px)}}