:root{color-scheme:dark;--bg:#080d19;--panel:#10192a;--line:#26344a;--text:#edf4ff;--muted:#9aabc3;--cyan:#00d9ff;--violet:#a96bff}
*{box-sizing:border-box}
body{margin:0;background:radial-gradient(ellipse at 50% -20%,#14284a 0,transparent 48%),var(--bg);color:var(--text);font:16px/1.5 Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
.topbar{height:76px;padding:0 clamp(18px,5vw,72px);display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #ffffff12}
.brand{display:flex;gap:11px;align-items:center;text-decoration:none;color:var(--text);font-size:16px;font-weight:850;letter-spacing:.12em}
.brand small{display:block;font-size:9px;color:var(--cyan);letter-spacing:.18em;margin-top:2px}
.brand-mark{display:grid;place-items:center;width:42px;height:42px;border:1px solid var(--cyan);border-radius:12px;color:var(--cyan);font-size:19px;box-shadow:0 0 22px #00d9ff20}
.status{font-size:10px;letter-spacing:.12em;color:var(--muted)}.status i{display:inline-block;width:7px;height:7px;border-radius:50%;background:#41e6a1;margin-right:8px;box-shadow:0 0 10px #41e6a1}
main{width:min(1120px,92vw);margin:auto}.hero{text-align:center;padding:66px 0 35px}.eyebrow{font-size:11px;letter-spacing:.22em;color:var(--cyan);font-weight:700}
h1{font-size:clamp(36px,6vw,66px);letter-spacing:-.055em;line-height:1.08;margin:15px 0}h1 span{background:linear-gradient(90deg,var(--cyan),#9a83ff);color:transparent;background-clip:text}
.intro{max-width:610px;margin:0 auto;color:var(--muted);font-size:15px}
.workspace{background:linear-gradient(145deg,#111c30,#0c1322);border:1px solid var(--line);border-radius:20px;padding:14px;box-shadow:0 24px 80px #0004}
.canvas-wrap{height:clamp(230px,40vw,420px);position:relative;overflow:hidden;border-radius:13px;background:#070b15;border:1px solid #24314a}
canvas{display:block;width:100%;height:100%}.canvas-message{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:7px;text-align:center;pointer-events:none}.canvas-message span{font-size:12px;color:var(--muted)}.pulse-icon{font-size:32px;color:var(--cyan);text-shadow:0 0 24px #00d9ff}
.canvas-label{position:absolute;left:16px;top:13px;font-size:9px;letter-spacing:.17em;color:#90a6c4}
.controls{padding:18px 8px 7px}.track-control{display:flex;align-items:center;gap:13px}.file-button{display:inline-flex;align-items:center;justify-content:center;background:var(--cyan);color:#07101c;padding:11px 17px;border-radius:9px;font-weight:800;font-size:13px;cursor:pointer;white-space:nowrap}input[type=file]{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}.track-info{min-width:0}.track-info strong,.track-info span{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.track-info strong{font-size:13px}.track-info span{font-size:11px;color:var(--muted)}
audio{width:100%;height:38px;margin:15px 0 10px}.settings{display:grid;grid-template-columns:1fr 1fr;gap:18px}.settings label{font-size:11px;color:var(--muted);display:flex;flex-direction:column;gap:8px}.settings select{width:100%;background:#0a1220;color:var(--text);border:1px solid var(--line);border-radius:8px;padding:10px}.settings output{color:var(--cyan)}input[type=range]{width:100%;accent-color:var(--cyan)}.privacy-note{font-size:11px;color:var(--muted);margin:17px 0 3px}.privacy-note span{margin-right:5px}
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;padding:22px 0 50px}.feature-grid article{border:1px solid #202d42;border-radius:13px;padding:18px;background:#0c1422}.feature-grid article>span{font-size:11px;color:var(--cyan)}h2{font-size:15px;margin:10px 0 4px}.feature-grid p{font-size:12px;color:var(--muted);margin:0}
footer{display:flex;justify-content:space-between;gap:12px;padding:22px clamp(18px,5vw,72px);border-top:1px solid #ffffff12;font-size:11px;color:var(--muted)}
.auth-section{display:flex;gap:12px;align-items:center}.btn-auth{display:inline-flex;align-items:center;justify-content:center;background:var(--cyan);color:#07101c;padding:9px 12px;border:1px solid transparent;border-radius:8px;font-weight:700;font-size:12px;cursor:pointer;white-space:nowrap;transition:all 150ms ease;font-family:inherit}.btn-auth:hover:not(:disabled){background:#00c5e6;box-shadow:0 0 16px #00d9ff40}.btn-auth:disabled{opacity:.6;cursor:not-allowed}.btn-logout{background:var(--violet);color:var(--text)}.btn-logout:hover:not(:disabled){background:#9a83ff;box-shadow:0 0 16px #a96bff40}#userProfile{display:flex;gap:12px;align-items:center;color:var(--muted);font-size:13px}#userName{max-width:150px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
@media(max-width:620px){.status{font-size:0}.status i{width:8px;height:8px}.hero{padding-top:45px}.settings{grid-template-columns:1fr}.feature-grid{grid-template-columns:1fr}.track-control{align-items:flex-start}.file-button{padding:10px 12px}footer{flex-direction:column}}