:root{color-scheme:dark;--bg:#08090c;--card:#11131a;--line:#292d38;--text:#f4f6fb;--muted:#9ca3b1;--green:#b7ff4a}
*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at 50% -10%,#222832,#08090c 45%);color:var(--text);font:16px system-ui,-apple-system,Segoe UI,sans-serif}
.wrap{width:min(920px,calc(100% - 32px));margin:auto;padding:55px 0 80px}header{text-align:center;margin-bottom:32px}.logo{font-weight:800;margin-bottom:28px}h1{font-size:clamp(35px,6vw,60px);line-height:1.02;letter-spacing:-.04em;margin:0 auto 18px;max-width:850px}header p{color:var(--muted)}
.card,.help{background:#11131add;border:1px solid var(--line);border-radius:20px;padding:24px;margin-bottom:18px;box-shadow:0 18px 60px #0005}
.drop{min-height:225px;border:1.5px dashed #414754;border-radius:16px;background:#0d0f14;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;cursor:pointer}.drop:hover,.drop.drag{border-color:var(--green);background:#12170d}.drop input{display:none}.music{font-size:50px}.drop small,.info,header p,.help{color:var(--muted)}
.hidden{display:none!important}label[for=track]{display:block;margin:20px 0 8px;color:var(--muted);font-size:12px;font-weight:800;text-transform:uppercase}select,textarea{width:100%;background:#090b0f;color:var(--text);border:1px solid var(--line);border-radius:12px;font:inherit}select{padding:13px}button{border:0;border-radius:11px;padding:12px 18px;background:var(--green);color:#090c06;font-weight:850;cursor:pointer}#convert{width:100%;margin-top:14px}.top{display:flex;justify-content:space-between;align-items:center;gap:15px}.green{color:var(--green);font-weight:900;letter-spacing:.1em}h2{margin:5px 0 0}.stats{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;margin:22px 0}.stats div{background:#171a22;border-radius:12px;padding:12px}.stats small{display:block;color:var(--muted);font-size:10px;text-transform:uppercase}.stats b{display:block;margin-top:5px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.warning{border:1px solid #5b4242;color:#ff9c9c;border-radius:12px;padding:12px;margin-bottom:14px}textarea{height:330px;padding:14px;font:13px/1.5 ui-monospace,Consolas,monospace;resize:vertical}#status{text-align:right;color:var(--green);min-height:24px;padding-top:8px}.help li{margin:8px 0}.help h2{color:var(--text)}@media(max-width:700px){.stats{grid-template-columns:repeat(2,1fr)}.top{flex-direction:column;align-items:stretch}.top button{width:100%}}