:root{color-scheme:dark;font:14px -apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;color:#e4e6ec;background:#10131b;--gold:#d5b16a;--muted:#9098aa;--line:#2a3040;--teal:#51c7b5}*{box-sizing:border-box}body{max-width:1600px;margin:0 auto;padding:0 28px 28px}a{color:var(--muted);text-decoration:none}a:hover{color:var(--teal)}.app-header{padding:26px 0 22px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:24px}.app-header h1{font:600 22px -apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;letter-spacing:.15em;text-transform:uppercase;color:var(--gold);margin:0 0 8px}.app-header p{margin:0;color:var(--muted);font:12px/1.7 ui-monospace,monospace}.app-header a{font-size:12px;white-space:nowrap}.workspace-tabs{display:flex;gap:8px;padding:18px 0}.workspace-tabs button{padding:10px 22px}.workspace-tabs button[aria-selected=true]{background:var(--teal);color:#0c2625;border-color:var(--teal)}button,input,select{font:inherit;background:#1b2130;color:#e5e9f1;border:1px solid #343d50;border-radius:5px;padding:10px 12px;min-height:40px;max-width:100%}button:hover{border-color:var(--gold)}button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:2px solid var(--teal);outline-offset:3px}label{font-size:11px;letter-spacing:.05em;text-transform:uppercase;color:var(--muted);display:flex;flex-direction:column;gap:8px}input,select{text-transform:none;letter-spacing:normal;font-size:14px;width:100%}h2{font:600 17px -apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;margin:0 0 20px;color:#e8ebf2}h3{font-size:12px;text-transform:uppercase;letter-spacing:.09em;color:var(--gold);margin:28px 0 14px}.workspace{display:grid;grid-template-columns:300px minmax(0,1fr);gap:20px}.settings,.analysis-panel,.chart-panel{background:#141923;border:1px solid var(--line);border-radius:7px;padding:22px;min-width:0}.controls{display:grid;gap:18px;margin:0 0 24px}.controls label{min-width:0}.card{background:none;border-radius:0;margin:0;padding:0}.settings .card{border-top:1px solid var(--line);padding-top:20px;margin-bottom:25px}.result{font:600 18px/1.5 -apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;color:var(--gold)}.muted,#explanation{font:12px/1.7 ui-monospace,monospace;color:var(--muted)}#listen{background:var(--gold);border-color:var(--gold);color:#171615;width:100%;font-weight:600}#audioStatus{font-size:12px;color:var(--teal)}.tone{font:11px ui-monospace,monospace;background:#1b2130;border:1px solid var(--line);border-radius:4px;padding:6px;margin:3px 3px 3px 0}.settings h2{font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}#sequence{font:20px ui-monospace,monospace;padding:14px;color:#e7d3a5;letter-spacing:.08em}#scores{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin:24px 0}#scores details{border:1px solid var(--line);border-radius:5px;background:#10151f;padding:13px;min-width:0}#scores details:first-child{border-color:var(--teal)}#scores summary{font:13px/1.5 ui-monospace,monospace;cursor:pointer;color:#d7dfeb}#scores details:first-child summary{color:var(--teal)}#scores p{font:12px/1.7 ui-monospace,monospace;color:var(--muted);overflow-wrap:anywhere}#sequenceReading{border-top:1px solid var(--line);font:12px/1.8 ui-monospace,monospace;color:var(--muted)}#sequenceReading p{margin:0;padding:11px 0;border-bottom:1px solid #222938}.chart-panel{margin-top:0}.chart-panel .scroll{max-height:70vh;overflow:auto}table{font:12px ui-monospace,monospace;border-collapse:separate;border-spacing:0;width:100%}td,th{padding:13px 10px;border-bottom:1px solid var(--line);line-height:1.9;min-width:56px;text-align:center}th{color:var(--muted);background:#171d29}thead th{position:sticky;top:0;z-index:1}th:first-child{text-align:left;min-width:180px}td.selected{background:#1b2730}td.active{background:#354136;outline:1px solid var(--gold);color:#f7d897}footer{border-top:1px solid var(--line);padding-top:18px;margin:26px 0 0;font:11px/1.8 ui-monospace,monospace;color:var(--muted)}[hidden]{display:none!important}#seqError{color:#efa7a1}@media(min-width:1400px){.workspace{grid-template-columns:330px minmax(0,1fr)}}@media(max-width:850px){body{padding:0 16px 20px}.workspace{grid-template-columns:1fr}.controls{grid-template-columns:repeat(3,minmax(0,1fr))}.app-header{align-items:flex-start}.app-header h1{font-size:19px}#scores{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:480px){.controls{grid-template-columns:1fr}.app-header{display:block}.app-header a{display:inline-block;margin-top:12px}.settings,.analysis-panel,.chart-panel{padding:17px}#scores{grid-template-columns:1fr 1fr;gap:6px}#scores details{padding:10px}#scores summary{font-size:11px}}