:root{color-scheme:dark;--bg:#121714;--surface:#1b221d;--line:#2d382f;--text:#eef0e9;--muted:#94a097;--accent:#c2d5b4;--danger:#f1b9a5;font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif}*{box-sizing:border-box}body{margin:0;background:radial-gradient(ellipse at 50% 8%,#27312a55,transparent 55%),var(--bg);color:var(--text);min-height:100dvh}button,input,textarea{font:inherit}button,a,input,textarea{touch-action:manipulation}button{cursor:pointer;border:0;transition:background .15s,opacity .15s}button:disabled{cursor:default;opacity:.45}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--accent);outline-offset:4px}[hidden]{display:none!important}.app-shell{max-width:1200px;margin:auto;display:flex;flex-direction:column;min-height:100dvh}.topbar{height:92px;padding:0 42px;display:flex;align-items:center;justify-content:space-between;gap:16px}.brand{display:flex;align-items:center;gap:11px;font-size:20px;font-weight:650;letter-spacing:2px}.brand small{font-size:10px;font-weight:500;letter-spacing:3px;color:var(--muted);margin-left:8px}.top-actions{display:flex;align-items:center;gap:12px}.demo-label{font-size:11px;color:var(--muted);padding-right:12px}.quiet{background:transparent;color:var(--muted);font-size:13px;padding:9px 11px;border-radius:9px}.quiet:hover{background:#ffffff08;color:var(--text)}.account{background:var(--surface);color:var(--text);border:1px solid var(--line);padding:9px 16px;border-radius:10px;font-size:12px}.conversation{width:min(100% - 56px,860px);margin:12px auto 0;flex:1;padding-bottom:35px}.welcome{padding:clamp(55px,11vh,125px) 20px 70px;text-align:center}.eyebrow{font-size:10px;font-weight:600;letter-spacing:3px;color:var(--accent)}h1{font-size:clamp(30px,5vw,45px);font-weight:550;letter-spacing:2px;margin:24px 0 20px}.welcome p{color:var(--muted);line-height:1.9;font-size:15px}.example{margin:34px auto 0;color:#abb6aa;font-size:13px;line-height:1.8}.composer-shell{position:sticky;bottom:0;padding:10px max(28px,calc((100% - 860px)/2)) 20px;background:linear-gradient(transparent,var(--bg) 20%)}.composer{padding:10px 10px 10px 18px;border:1px solid #425044;border-radius:19px;display:flex;align-items:flex-end;gap:10px;background:#1c241eea;box-shadow:0 10px 50px #0002}.composer:focus-within{border-color:#82917b}textarea{resize:none;min-height:36px;max-height:150px;flex:1;padding:7px 0;border:0;outline:none!important;background:transparent;color:var(--text);line-height:1.6;font-size:14px}.send{width:38px;height:38px;flex-shrink:0;border-radius:12px;background:var(--accent);font-size:23px;color:#1b2a1d}.send:hover{background:#d0e2c3}.composer-note{font-size:10px;letter-spacing:.2px;color:#77847a;margin:11px 10px 0;display:flex;justify-content:space-between}.notice{font-size:12px;line-height:1.6;color:var(--danger);padding:0 10px 8px;white-space:pre-wrap}.message{display:flex;margin:23px 0;gap:11px;align-items:flex-start}.message.user{justify-content:flex-end}.avatar{height:27px;width:27px;flex-shrink:0;border-radius:9px;background:var(--surface);color:var(--accent);font-size:13px;display:grid;place-items:center;margin-top:7px}.bubble{max-width:85%;font-size:14px;line-height:1.85;padding:13px 18px;border:1px solid var(--line);border-radius:5px 17px 17px 17px;background:#1a211bcc;white-space:pre-wrap;overflow-wrap:anywhere}.user .bubble{background:#354138;border-color:#455148;border-radius:17px 5px 17px 17px}.user .avatar{display:none}.playlist-card{margin:20px 0 24px 38px;border:1px solid var(--line);border-radius:18px;background:#1a211bcc;overflow:hidden}.playlist-header{padding:24px 24px 18px;display:flex;justify-content:space-between;gap:20px}.playlist-title{font-size:20px;font-weight:600;margin:6px 0 10px;line-height:1.5}.playlist-meta{font-size:12px;color:var(--muted);line-height:1.8}.pill{display:inline-block;font-size:10px;padding:4px 8px;border-radius:6px;background:#c2d5b414;color:var(--accent);margin:0 6px 5px 0}.pill.warn{background:#f1b9a510;color:var(--danger)}.track{display:grid;grid-template-columns:24px 42px minmax(0,1fr) auto auto;align-items:center;gap:12px;margin:0 14px;padding:11px 9px;border-top:1px solid #2d382f99;border-radius:8px}.track:hover{background:#ffffff03}.track-number{font-size:11px;color:#758278;font-variant-numeric:tabular-nums}.cover{height:42px;width:42px;border-radius:7px;background:linear-gradient(135deg,#425748,#27332b);object-fit:cover}.track-name{font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.track-artist{font-size:11px;color:var(--muted);margin-top:5px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.track-time{font-size:11px;color:var(--muted);font-variant-numeric:tabular-nums}.track-link{font-size:11px;color:var(--accent);padding:7px}.track-actions{display:flex;align-items:center}.lock{background:transparent;color:var(--muted);font-size:11px;padding:7px;border-radius:6px}.lock.active{color:var(--accent);background:#c2d5b414}.card-actions{display:flex;gap:9px;align-items:center;padding:18px 24px;flex-wrap:wrap;border-top:1px solid var(--line)}.primary{background:var(--accent);color:#233125;font-size:13px;font-weight:600;border-radius:9px;padding:11px 17px}.primary:hover{background:#d1e2c5}.card-note{color:var(--muted);font-size:11px;line-height:1.8;margin:0;padding:0 24px 18px}.status-card{margin:20px 0 20px 38px;padding:22px;border:1px solid var(--line);border-radius:16px;color:var(--muted);font-size:13px;line-height:1.9}.status-title{color:var(--text);font-weight:600;margin-bottom:7px}.pulse{display:inline-block;width:7px;height:7px;background:var(--accent);border-radius:50%;margin-right:10px;animation:pulse 1.7s ease-in-out infinite}@keyframes pulse{50%{opacity:.3}}dialog{background:#1b231e;color:var(--text);border:1px solid #465146;border-radius:20px;padding:30px;width:min(440px,calc(100% - 32px));max-height:85dvh;overflow:auto;box-shadow:0 30px 100px #0006}dialog::backdrop{background:#080d09ad;backdrop-filter:blur(7px)}dialog h2{font-size:22px;font-weight:550;margin:12px 0 16px}dialog p{font-size:12px;color:var(--muted);line-height:1.9}.dialog-top{display:flex;justify-content:space-between;align-items:flex-start;gap:10px}.icon{background:transparent;color:var(--muted);font-size:25px;padding:0 7px}label{font-size:12px;color:#bdc7bd;display:block;margin:20px 0}input{display:block;width:100%;background:#141b16;border:1px solid var(--line);color:var(--text);border-radius:9px;padding:12px;margin-top:8px;font-size:14px}.password-field{display:flex;align-items:center;gap:5px}.password-field input{flex:1;min-width:0}.password-field button{margin-top:8px}.form-error{color:var(--danger);font-size:12px;line-height:1.8;margin:12px 0}.wide,#auth-submit{width:100%;margin-top:10px}.dialog-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:25px}.saved-item{display:block;padding:16px 0;border-top:1px solid var(--line);font-size:14px}.saved-item small{display:block;color:var(--muted);margin-top:7px;font-size:12px}.saved-item button{margin-top:12px}.inline-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}.empty{padding:30px 0;color:var(--muted);font-size:13px;line-height:1.9}@media(max-width:650px){.topbar{height:76px;padding:0 20px}.brand small,.demo-label{display:none}.top-actions{gap:2px}.quiet{font-size:11px;padding:9px 7px}.account{padding:8px 10px;font-size:11px}.conversation{width:calc(100% - 28px)}.welcome{padding:70px 10px 60px}.composer-shell{padding:10px 14px 16px}.composer-note span{display:none}.bubble{max-width:89%;padding:12px 14px;font-size:13px}.message{gap:7px}.playlist-card,.status-card{margin-left:0}.playlist-header{padding:19px 18px 14px}.playlist-title{font-size:18px}.track{grid-template-columns:17px 36px minmax(0,1fr) auto;gap:9px;margin:0 7px}.cover{height:36px;width:36px}.track-time{display:none}.track-link{font-size:10px;padding:6px}.lock{font-size:10px;padding:5px}.card-actions{padding:15px 18px}.card-note{padding:0 18px 15px}.composer-note{margin-left:5px}dialog{padding:24px}.track-artist{max-width:160px}}