:root{--bg: #14141f;--panel: #1e1e2e;--panel2: #262638;--ink: #e8e8f0;--muted: #9a9ab0;--accent: #e8451e;--accent2: #f0a020}*{box-sizing:border-box}body{margin:0;font-family:system-ui,Segoe UI,sans-serif;background:var(--bg);color:var(--ink)}[hidden]{display:none!important}.app{display:flex;flex-direction:column;height:100vh;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none}input,textarea{user-select:text;-webkit-user-select:text}.topbar{display:flex;align-items:center;gap:16px;padding:8px 16px;background:linear-gradient(180deg,#2a2a40,#1a1a2a);border-bottom:1px solid #333}.logo{font-weight:700;font-size:17px}.tabs{display:flex;gap:6px}.tabs button{background:transparent;color:var(--muted);border:1px solid transparent}.tabs button.on{background:#333350;color:var(--ink)}.ver{margin-left:auto;color:var(--muted);font-size:12px}.error{background:#3a1414;color:#ffb4a0;padding:8px 16px;font-size:13px;border-bottom:1px solid #5a2020}.body{flex:1;min-height:0;display:flex}.playerview{flex:1;min-height:0;min-width:0;position:relative;display:flex}.sidecol{flex-shrink:0;display:flex;flex-direction:column;min-height:0;overflow:hidden;border-right:1px solid #333;transition:width .18s ease}.splitter.v{flex:0 0 6px;cursor:col-resize;background:#2a2a3a}.splitter.v:hover{background:var(--accent)}.side-toggle{position:absolute;top:8px;left:8px;z-index:6;height:28px;padding:0 10px;border-radius:14px;background:#1e1e2ed1;color:var(--ink);font-size:13px}.side-toggle:hover{background:#3c3c5ae6}.sidecol-close{display:none}.score-wrap{flex:0 0 auto;display:flex;min-width:0;min-height:0}.panel{display:flex;flex-direction:column;min-height:0;padding:12px}.panel h3{margin:0 0 8px;font-size:13px;text-transform:uppercase;letter-spacing:.5px;color:var(--muted)}.browser{background:var(--panel);flex:1}.library{background:var(--panel2);flex:1;border-top:1px solid #333}.roots{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:8px}.roots button{background:#333350}.crumb{font-size:11px;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;margin-bottom:6px}.entries,.songs{list-style:none;margin:0;padding:0;overflow:auto;flex:1;min-height:0}.entries li button{width:100%;text-align:left}button{cursor:pointer;border:none;border-radius:6px;padding:6px 10px;background:#3a3a55;color:var(--ink);font-size:13px}button:hover{background:#45456a}button:disabled{opacity:.5;cursor:default}.scan{margin-top:8px;background:var(--accent)}.songs li{display:flex;align-items:center;gap:8px;padding:8px 10px;border-radius:6px;cursor:pointer}.songs li .t{flex:1;min-width:0}.fav-btn{flex-shrink:0;background:transparent;padding:2px 3px;font-size:15px;line-height:1}.fav-btn:hover{background:transparent;transform:scale(1.15)}.songs li:hover{background:#303048}.songs li.active{background:var(--accent)}.songs li .f{color:var(--muted);font-size:12px}.songs li.active .f{color:#ffd8c8}.hint{color:var(--muted);cursor:default;font-size:13px}.stage{flex:1;min-width:0;position:relative;display:flex;background:#0a0a18}.band-canvas{display:block;flex:1 1 0;min-width:0;width:0;height:100%;cursor:pointer;touch-action:none;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none}.score-panel{flex:1 1 auto;width:100%;min-width:0;display:flex;flex-direction:column;min-height:0;background:#fafafa}.score-head{display:flex;align-items:center;justify-content:space-between;padding:8px 12px;background:#1e1e2e;color:var(--ink);font-size:13px}.score-body{flex:1;min-height:0;position:relative;overflow:hidden;background:#fafafa}.score-stack{position:absolute;top:0;left:0;right:0;transition:transform .45s cubic-bezier(.25,.1,.25,1);will-change:transform}.score-row{position:absolute;left:0;right:0;overflow:hidden;border-bottom:1px solid #e6e6e6;background:#fafafa}.score-row.current{background:#fff;box-shadow:inset 3px 0 0 var(--accent)}.score-vis{display:block;width:100%;height:100%}.score-vis .active{fill:#e8451e}.piano-canvas{display:block;width:100%;height:100%}.scoretoggle{background:transparent;color:var(--muted);border:1px solid #444}.scoretoggle.on{background:var(--accent);color:#fff;border-color:var(--accent)}.settingsview{flex:1;overflow:auto;padding:20px 28px;max-width:820px}.settingsview h2{margin:0 0 16px}.setting-block{background:var(--panel);border:1px solid #333;border-radius:10px;padding:16px;margin-bottom:18px}.setting-block h3{margin:0 0 6px;font-size:15px}.note{color:var(--muted);font-size:13px;margin:0 0 10px}.folder-list{list-style:none;margin:0 0 10px;padding:0}.folder-list li{display:flex;align-items:center;gap:10px;padding:6px 0;border-bottom:1px solid #2a2a3a}.folder-list li .p{flex:1;font-family:ui-monospace,monospace;font-size:12px;word-break:break-all}.folder-list .rm{background:#4a2020}.browse{background:#333350}.smb-form{display:grid;grid-template-columns:1fr 1fr;gap:6px;margin-bottom:8px}.smb-form input{background:#2a2a3a;color:var(--ink);border:1px solid #444;border-radius:6px;padding:6px 8px;font-size:13px}.smb-actions{display:flex;align-items:center;gap:8px}.smb-actions .add{background:var(--accent)}.smb-msg{font-size:13px;color:var(--muted)}.explorer{border:1px solid #333;border-radius:8px;padding:10px;background:var(--panel2)}.explorer .entries{max-height:240px;overflow:auto}.explorer .entries li button{width:100%;text-align:left;background:transparent}.explorer .entries li button:hover{background:#303048}.explorer-actions{display:flex;gap:8px;margin-top:8px;flex-wrap:wrap}.explorer-actions .add{background:var(--accent)}.row{display:flex;align-items:center;gap:12px;margin:10px 0}.row span{width:160px;color:var(--muted);font-size:14px}select{background:#2a2a3a;color:var(--ink);border:1px solid #444;border-radius:6px;padding:5px 8px}.transport{display:flex;align-items:center;gap:16px;padding:12px 16px;background:#101018;border-top:1px solid #333}.transport .play{font-size:18px;width:46px;height:46px;border-radius:50%;background:var(--accent)}.transport .tbtn{font-size:15px;width:38px;height:38px;border-radius:50%;background:#2a2a3a}.transport .tbtn:hover:not(:disabled){background:#3a3a55}.np{flex:1}.np .title{font-size:14px;margin-bottom:4px}.np .bar{height:6px;background:#2a2a3a;border-radius:3px;overflow:hidden}.np .bar.seekable{cursor:pointer;padding:4px 0;height:14px;background-clip:content-box;background-color:#2a2a3a}.np .bar.seekable .fill{border-radius:3px}.source-switch{display:flex;gap:6px;padding:8px 12px 0}.source-switch button{flex:1;background:#2a2a3a;color:var(--muted)}.source-switch button.on{background:#333350;color:var(--ink)}.bitmidi{display:flex;flex-direction:column;min-height:0;flex:1;padding:12px}.bitmidi .search{display:flex;gap:6px;margin-bottom:8px}.bitmidi .search input{flex:1;background:#2a2a3a;color:var(--ink);border:1px solid #444;border-radius:6px;padding:6px 8px}.bm-genres{display:flex;flex-wrap:wrap;gap:4px;margin-bottom:8px}.bm-genres button{padding:3px 8px;font-size:12px;background:#2a2a3a;color:var(--muted)}.bm-genres button.on{background:var(--accent);color:#fff}.score-status{color:var(--accent2);font-style:normal}.np .fill{height:100%;background:linear-gradient(90deg,var(--accent),var(--accent2))}.np .time{font-size:11px;color:var(--muted);margin-top:3px}.vol{display:flex;align-items:center;gap:6px}@media(max-width:700px){.sidecol{position:absolute;top:0;right:0;bottom:0;left:0;width:100%!important;max-width:100%;z-index:20;border-right:none;transition:none;background:var(--bg)}.sidecol:not(.open){display:none}.sidecol-close{display:block;align-self:flex-end;margin:8px 10px 2px;padding:8px 14px;border-radius:18px;background:var(--accent);color:#fff;font-size:14px}.splitter.v{display:none}.score-wrap{position:absolute;top:0;right:0;bottom:0;left:0;width:100%!important;z-index:16}.side-toggle{height:38px;padding:0 16px;font-size:15px;border-radius:19px;background:#1e1e2eeb}.transport{gap:10px;padding:8px 12px}.transport .np .title{display:none}.transport .np .time{margin-top:6px}.transport .tbtn{width:44px;height:44px;font-size:17px}.transport .play{width:52px;height:52px;font-size:20px}.transport .vol input[type=range]{width:64px}.topbar{gap:6px;padding:6px 8px;flex-wrap:nowrap}.logo{white-space:nowrap;overflow:hidden;max-width:26px;font-size:16px}.ver{display:none}.tabs button,.scoretoggle{white-space:nowrap;padding:5px 8px;font-size:12px}input,select,textarea{font-size:16px}.settingsview{padding:14px 14px 28px}.smb-form{grid-template-columns:1fr}.row span{width:116px}}