:root{font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#f4f4f1;background:#0d1011;--gold:#f6b51d;--muted:#a4a9aa;--line:#323738}*{box-sizing:border-box}body{margin:0;min-height:100dvh;padding:env(safe-area-inset-top) 0 env(safe-area-inset-bottom)}[hidden]{display:none!important}header{display:flex;align-items:center;gap:18px;padding:22px max(22px,calc((100vw - 920px)/2));border-bottom:1px solid var(--line)}.brand{font-size:24px;font-weight:900;color:#f4f4f1;text-decoration:none}.brand span{color:var(--gold)}.tag,.eyebrow{font-size:11px;letter-spacing:2px;font-weight:700;color:var(--gold)}header .status{margin-left:auto}main{max-width:920px;margin:auto;padding:24px 22px 52px}h1{font-size:clamp(32px,7vw,52px);letter-spacing:-2px;margin:10px 0 22px}h2{font-size:18px}p{line-height:1.6;color:var(--muted)}button,input,select{font:inherit}button{cursor:pointer;border:1px solid var(--gold);border-radius:12px;background:var(--gold);color:#101213;font-weight:700;padding:13px 18px;min-height:46px}button:disabled{opacity:.4;cursor:default}button.secondary{background:transparent;color:var(--gold);border-color:#6a531f}.danger{background:#c54c41;border-color:#c54c41;color:white}button:focus-visible,a:focus-visible,summary:focus-visible{outline:2px solid white;outline-offset:4px}input,select{display:block;width:100%;margin-top:8px;padding:12px;background:#101415;color:#f4f4f1;border:1px solid #525859;border-radius:10px;min-height:46px}label{display:block;font-size:14px;color:#c7cbcb;margin:16px 0}form{max-width:450px}.panel{background:#171c1e;border:1px solid var(--line);border-radius:18px;padding:22px;margin:18px 0}.actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.status,.hint{font-size:12px;color:var(--muted)}#message{min-height:24px;color:var(--gold);margin:0 0 20px}nav{display:flex;gap:8px;overflow:auto;margin-bottom:32px;padding:4px}nav button{background:transparent;color:var(--muted);border-color:transparent;flex-shrink:0}nav button.selected{background:#282616;border-color:#6a531f;color:var(--gold)}.items{list-style:none;padding:0;margin:20px 0}.items li{border-bottom:1px solid var(--line);padding:14px 0;display:flex;align-items:center;gap:12px}.items li span{flex:1;overflow-wrap:anywhere}.items small{display:block;color:var(--muted);margin-top:6px}.items button{flex-shrink:0}.pulse{display:flex;align-items:baseline;justify-content:center;gap:12px;color:var(--gold);padding:12px 0}.pulse strong{font-size:clamp(80px,20vw,120px);line-height:1;font-weight:800;letter-spacing:-5px}.pulse span{font-size:20px}#signal{text-align:center}.metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;text-align:center;border-top:1px solid var(--line);padding-top:22px}.metrics strong{display:block;font-size:24px}.metrics span{display:block;font-size:11px;color:var(--muted);margin-top:6px}.zone{display:grid;grid-template-columns:45px 1fr 66px;gap:12px;align-items:center;margin:14px 0;font-size:12px}.zone progress{width:100%;height:8px;accent-color:var(--gold)}.setup{display:grid;grid-template-columns:1fr 1fr;gap:0 20px}.setup .hint,.setup button{grid-column:1/-1}details{border-top:1px solid var(--line);padding:20px 0;margin-top:24px}summary{cursor:pointer;color:#d4d8d8}pre{overflow:auto;font-size:12px;color:var(--muted);white-space:pre-wrap;overflow-wrap:anywhere}footer{max-width:920px;margin:auto;padding:24px 22px;border-top:1px solid var(--line);font-size:12px;color:var(--muted)}@media(max-width:520px){header{gap:12px}.tag{font-size:9px}.panel{padding:18px}.setup{grid-template-columns:1fr}.metrics strong{font-size:20px}.actions button{flex:1}.items li{flex-wrap:wrap}.items span{min-width:180px}}