:root{color-scheme:dark;--bg:#061520;--panel:#0a293d;--line:#20536b;--ink:#f3fcff;--muted:#91b2c1;--cyan:#55ead6;--gold:#ffd06c}*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at 85% 0,#0b526b,transparent 32%),var(--bg);color:var(--ink);font-family:Inter,system-ui,sans-serif}main{max-width:1500px;margin:auto;padding:20px}header{display:flex;justify-content:space-between;align-items:end;gap:18px;padding:30px;border:1px solid var(--line);border-radius:25px;background:#08253a}header p,small{color:var(--cyan);font-weight:900;letter-spacing:.15em}header h1{font-size:clamp(2.3rem,5vw,5rem);line-height:.92;margin:.18em 0}header span,.panel p{color:var(--muted)}nav{display:flex;gap:7px;flex-wrap:wrap}a,button{font:inherit;font-weight:850;padding:11px 14px;border-radius:11px;border:1px solid var(--line);background:#10364d;color:var(--ink);text-decoration:none;cursor:pointer}.primary{background:var(--cyan);color:#03262c;border-color:transparent}.panel{margin-top:14px;padding:19px;background:var(--panel);border:1px solid var(--line);border-radius:19px}.head{display:flex;justify-content:space-between}.head h2{margin:.15em 0}.form{display:grid;grid-template-columns:2fr 1.4fr .7fr .7fr .8fr auto;gap:10px;align-items:end;margin-top:14px}label{font-size:.8rem;color:var(--muted)}input,select{display:block;width:100%;margin-top:5px;padding:11px;background:#051b29;border:1px solid var(--line);border-radius:9px;color:var(--ink)}.athletes{display:flex;flex-wrap:wrap;gap:7px;margin-top:13px}.athletes label{background:#10374d;padding:8px 10px;border-radius:999px}.athletes input{display:inline;width:auto;margin:0 5px 0 0}.clock{text-align:center;margin:14px 0;padding:22px;background:#071f2e;border:1px solid var(--line);border-radius:20px}.clock strong{display:block;font:950 clamp(4rem,11vw,9rem)/1 ui-monospace,monospace;color:var(--cyan)}.lanes{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.lane{padding:16px;background:var(--panel);border:1px solid var(--line);border-radius:17px}.lane h2{margin:.2em 0}.lane-time{font:900 2.8rem ui-monospace,monospace}.lane-actions{display:flex;gap:7px;flex-wrap:wrap}.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:7px;margin-top:10px}.metrics span{padding:8px;background:#061d2b;border-radius:8px;color:var(--muted)}.metrics b{display:block;color:var(--ink)}video{width:100%;max-height:420px;background:#000;border-radius:14px;margin-top:12px}.history-card{padding:12px;background:#061e2e;border-radius:12px;margin:8px 0}.history-card span{color:var(--muted)}@media(max-width:900px){.form{grid-template-columns:1fr 1fr}.lanes{grid-template-columns:1fr}}@media(max-width:600px){main{padding:9px}header{align-items:start;flex-direction:column}.form{grid-template-columns:1fr}.metrics{grid-template-columns:1fr 1fr}.clock strong{font-size:3.5rem}}