:root{--bg-0:#14151a;--bg-1:#1b1d24;--bg-2:#23262f;--bg-3:#2c303b;--line:#363b47;--text:#d7dae2;--text-dim:#8b90a0;--accent:#4fc08d;--accent-dim:#2c6e51;--warn:#e5534b;--rec:#ff4d4d;--yellow:#e5c07b;--row-h:76px;--kb-w:64px;--header-w:248px;--ruler-h:26px;--lane-h:110px;font-size:13px}*{box-sizing:border-box;margin:0;padding:0}html,body,#app{height:100%;overflow:hidden}body{background:var(--bg-0);color:var(--text);-webkit-user-select:none;user-select:none;font-family:Segoe UI,system-ui,-apple-system,sans-serif}#app{flex-direction:column;display:flex}#transport{background:var(--bg-2);border-bottom:1px solid var(--line);flex-wrap:wrap;align-items:center;gap:6px;min-height:42px;padding:5px 8px;display:flex}#transport .sep{background:var(--line);width:1px;height:24px;margin:0 4px}button,.tbtn{background:var(--bg-3);color:var(--text);border:1px solid var(--line);cursor:pointer;white-space:nowrap;border-radius:4px;padding:4px 9px;font-size:12px}button:hover{background:#394050}button:active{transform:translateY(1px)}button.on{background:var(--accent-dim);border-color:var(--accent);color:#eafff5}button.rec-on{border-color:var(--rec);color:#ffd9d9;background:#6e2323}button.big{padding:4px 12px;font-size:15px}button:disabled{opacity:.45;cursor:default}select,input[type=number],input[type=text]{background:var(--bg-1);color:var(--text);border:1px solid var(--line);border-radius:4px;max-width:190px;padding:3px 5px;font-size:12px}input[type=range]{accent-color:var(--accent)}label.field{color:var(--text-dim);align-items:center;gap:4px;font-size:11px;display:inline-flex}#position-display{border:1px solid var(--line);color:var(--accent);text-align:center;letter-spacing:1px;background:#101116;border-radius:4px;min-width:168px;padding:3px 10px;font-family:Consolas,Menlo,monospace;font-size:15px}#main{flex-direction:column;flex:1;min-height:0;display:flex}#arrange-area{border-bottom:1px solid var(--line);flex:5;min-height:120px;display:flex}#editor-area{background:var(--bg-1);flex-direction:column;flex:6;min-height:150px;display:flex}#editor-header{background:var(--bg-2);border-bottom:1px solid var(--line);flex-wrap:wrap;align-items:center;gap:6px;min-height:32px;padding:3px 8px;display:flex}#editor-header .title{color:var(--yellow);margin-right:8px;font-weight:600}#editor-body{flex:1;min-height:0;position:relative}.scroll-view{background:var(--bg-0);position:absolute;inset:0;overflow:auto}.scroll-content{position:relative}canvas.vc{display:block;position:absolute}canvas.sticky-left{z-index:6;position:sticky;left:0}canvas.sticky-top{z-index:6;position:sticky;top:0}canvas.sticky-corner{z-index:7;position:sticky;top:0}.track-head{height:var(--row-h);border-bottom:1px solid var(--line);background:var(--bg-2);flex-direction:column;gap:2px;padding:3px 6px;display:flex;position:relative;overflow:hidden}.track-head.selected{box-shadow:inset 3px 0 0 var(--accent);background:#2a3040}.track-head .row1{align-items:center;gap:4px;display:flex}.track-head .tname{white-space:nowrap;text-overflow:ellipsis;cursor:text;flex:1;min-width:0;font-size:12px;font-weight:600;overflow:hidden}.track-head .tname input{width:100%;font-size:12px}.track-head .row2,.track-head .row3{color:var(--text-dim);align-items:center;gap:3px;font-size:10px;display:flex}.track-head select{max-width:118px;padding:1px 2px;font-size:10px}.track-head .mini{border-radius:3px;padding:1px 5px;font-size:10px}.track-head .mini.mute-on{border-color:var(--yellow);color:#ffe9b3;background:#6e5a23}.track-head .mini.solo-on{color:#d3ecff;background:#23536e;border-color:#61afef}.track-head input[type=range]{width:52px;height:12px}.knob-label{align-items:center;gap:2px;display:inline-flex}#statusbar{background:var(--bg-2);border-top:1px solid var(--line);color:var(--text-dim);align-items:center;gap:14px;min-height:24px;padding:3px 10px;font-size:11px;display:flex}#statusbar .hint{white-space:nowrap;text-overflow:ellipsis;flex:1;overflow:hidden}#statusbar .sf-status{color:var(--yellow)}.modal-backdrop{z-index:100;background:#0000008c;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.modal{background:var(--bg-2);border:1px solid var(--line);border-radius:8px;min-width:340px;max-width:520px;padding:18px;box-shadow:0 10px 40px #0009}.modal h2{color:var(--accent);margin-bottom:12px;font-size:15px}.modal .mrow{align-items:center;gap:8px;margin-bottom:10px;display:flex}.modal .mrow label{width:110px;color:var(--text-dim);font-size:12px}.modal .mrow input,.modal .mrow select{flex:1;max-width:none}.modal .mbtns{justify-content:flex-end;gap:8px;margin-top:14px;display:flex}.mono{font-family:Consolas,Menlo,monospace}