*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg: #0d0d1a;--surface: #151528;--surface2: #1e1e38;--border: #2a2a4a;--text: #e8e8f0;--text-dim: #8888aa;--accent: #9b59b6;--accent2: #e74c3c;--accent3: #3498db;--green: #2ecc71;--gold: #f1c40f;--radius: 12px;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;color:var(--text);background:var(--bg)}body{min-height:100dvh;overflow-x:hidden}button{font-family:inherit;cursor:pointer;border:none;outline:none}input,select,textarea{font-family:inherit;font-size:1rem}a{color:var(--accent3);text-decoration:none}.layout{display:flex;flex-direction:column;min-height:100dvh}.topbar{display:flex;align-items:center;gap:12px;padding:12px 16px;background:var(--surface);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100}.topbar .logo{font-size:1.3rem;font-weight:700}.topbar .spacer{flex:1}.topbar .user-chip{display:flex;align-items:center;gap:6px;background:var(--surface2);padding:6px 12px;border-radius:20px;font-size:.85rem;cursor:pointer;transition:background .2s}.topbar .user-chip:hover{background:var(--border)}.nav{display:flex;gap:4px;padding:8px 16px;background:var(--surface);border-bottom:1px solid var(--border);overflow-x:auto}.nav a{padding:8px 16px;border-radius:var(--radius);font-size:.9rem;color:var(--text-dim);transition:all .2s;white-space:nowrap}.nav a:hover,.nav a.active{background:var(--surface2);color:var(--text)}.main{flex:1;padding:16px;max-width:900px;margin:0 auto;width:100%}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px;margin-bottom:12px}.card h2{font-size:1.1rem;margin-bottom:8px}.card h3{font-size:.95rem;color:var(--text-dim);margin-bottom:12px}.btn{padding:10px 20px;border-radius:var(--radius);font-size:.9rem;font-weight:600;transition:all .2s;display:inline-flex;align-items:center;gap:6px}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{filter:brightness(1.15)}.btn-danger{background:var(--accent2);color:#fff}.btn-small{padding:6px 12px;font-size:.8rem}.btn-ghost{background:transparent;border:1px solid var(--border);color:var(--text)}.btn-ghost:hover{background:var(--surface2)}.btn:disabled{opacity:.4;cursor:not-allowed}.input{width:100%;padding:10px 14px;background:var(--surface2);border:1px solid var(--border);border-radius:var(--radius);color:var(--text);font-size:.9rem;transition:border .2s}.input:focus{outline:none;border-color:var(--accent)}.label{display:block;font-size:.8rem;color:var(--text-dim);margin-bottom:4px}.form-group{margin-bottom:14px}.tag{display:inline-block;padding:3px 10px;background:var(--surface2);border:1px solid var(--border);border-radius:20px;font-size:.75rem;color:var(--text-dim);margin:2px}.track-item{display:flex;align-items:center;gap:12px;padding:10px 14px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);margin-bottom:6px;transition:background .2s}.track-item:hover{background:var(--surface2)}.track-item .track-play{width:36px;height:36px;border-radius:50%;background:var(--accent);display:flex;align-items:center;justify-content:center;font-size:1.1rem;flex-shrink:0}.track-item .track-info{flex:1;min-width:0}.track-item .track-title{font-size:.9rem;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.track-item .track-meta{font-size:.75rem;color:var(--text-dim)}.track-item .track-actions{display:flex;gap:6px;flex-shrink:0}.player-bar{position:fixed;bottom:0;left:0;right:0;background:var(--surface);border-top:2px solid var(--accent);padding:10px 16px;display:flex;align-items:center;gap:12px;z-index:200}.player-bar .player-info{flex:1;min-width:0}.player-bar .player-title{font-size:.85rem;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.player-bar .player-meta{font-size:.7rem;color:var(--text-dim)}.player-bar audio{width:100%;max-width:300px;height:32px}.empty-state{text-align:center;padding:48px 16px;color:var(--text-dim)}.empty-state .emoji{font-size:3rem;margin-bottom:12px}.spinner{width:20px;height:20px;border:2px solid var(--border);border-top:2px solid var(--accent);border-radius:50%;animation:spin .6s linear infinite;display:inline-block}@keyframes spin{to{transform:rotate(360deg)}}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000b3;display:flex;align-items:center;justify-content:center;z-index:300;padding:16px}.modal{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:24px;max-width:420px;width:100%;max-height:80vh;overflow-y:auto}.modal h2{margin-bottom:16px}.mood-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(80px,1fr));gap:8px}.mood-chip{padding:12px 8px;text-align:center;background:var(--surface2);border:2px solid var(--border);border-radius:var(--radius);cursor:pointer;transition:all .2s;font-size:.8rem}.mood-chip:hover,.mood-chip.selected{border-color:var(--accent);background:#9b59b626}@media(max-width:600px){.main{padding:12px}.player-bar audio{max-width:200px}.mood-grid{grid-template-columns:repeat(3,1fr)}}.toast{position:fixed;bottom:80px;right:16px;background:var(--surface2);border:1px solid var(--border);border-radius:var(--radius);padding:10px 16px;font-size:.85rem;z-index:400;animation:fadeIn .3s}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}