.song-arranger{margin:14px 0 0;border:1px solid var(--line);background:linear-gradient(180deg,rgba(14,17,25,.92),rgba(9,11,16,.88));position:relative;overflow:hidden}.arranger-head{display:grid;grid-template-columns:minmax(250px,.8fr) minmax(340px,1.4fr) auto;gap:16px;align-items:center;padding:14px 16px;border-bottom:1px solid var(--line)}.arranger-title{display:flex;align-items:center;gap:12px}.arranger-title .arrange-orb{width:34px;height:34px;border:1px solid rgba(212,255,103,.26);border-radius:50%;display:grid;place-items:center;color:var(--lime);box-shadow:0 0 25px rgba(212,255,103,.06)}.arranger-title span{display:block;color:var(--faint);font:500 7px var(--mono);letter-spacing:.15em}.arranger-title strong{display:block;margin-top:3px;font:600 11px var(--mono);letter-spacing:.08em}.arranger-prompt{display:grid;grid-template-columns:1fr auto;gap:7px}.arranger-prompt input{min-width:0;border:1px solid var(--line);background:#080a10;color:#fff;padding:10px 12px;font:400 11px var(--sans)}.arranger-prompt input:focus{outline:1px solid rgba(102,233,255,.55);outline-offset:1px}.arranger-prompt button,.arranger-actions button,.section-tools button,.arranger-foot button{border:1px solid var(--line);background:rgba(255,255,255,.025);color:var(--muted);cursor:pointer;font:500 7px var(--mono);letter-spacing:.09em}.arranger-prompt button{padding:0 13px;border-color:rgba(154,124,255,.25);color:#c2b7ff}.arranger-actions{display:flex;justify-content:flex-end;gap:6px;align-items:center}.arranger-actions button{padding:9px 10px}.arranger-actions .song-play{color:var(--lime);border-color:rgba(212,255,103,.26)}.arranger-actions .song-export{color:var(--cyan);border-color:rgba(102,233,255,.24)}.arranger-summary{display:flex;gap:18px;padding:9px 16px;border-bottom:1px solid var(--line);font:500 7px var(--mono);letter-spacing:.11em;color:var(--faint)}.arranger-summary strong{color:var(--muted);font-weight:500}.arranger-summary .song-status{margin-left:auto;color:var(--lime)}.arranger-scroll{overflow-x:auto;overflow-y:hidden;scrollbar-width:thin}.arranger-ruler{height:24px;min-width:100%;display:flex;align-items:flex-end;padding:0 12px;border-bottom:1px solid rgba(255,255,255,.055);position:relative;background:rgba(0,0,0,.11)}.ruler-mark{position:absolute;bottom:5px;color:var(--faint);font:400 6px var(--mono)}.arranger-track{min-height:168px;padding:12px;display:flex;gap:8px;align-items:stretch;position:relative;width:max-content;min-width:100%}.song-section{--scene:#66e9ff;position:relative;min-width:150px;width:calc(105px + var(--repeats,1)*42px);max-width:430px;min-height:142px;border:1px solid color-mix(in srgb,var(--scene) 22%,var(--line));background:linear-gradient(145deg,color-mix(in srgb,var(--scene) 7%,#111520),rgba(8,10,15,.84));display:flex;flex-direction:column;overflow:hidden;user-select:none}.song-section.dragging{opacity:.36}.song-section.drag-over{outline:1px solid var(--cyan);outline-offset:3px}.section-top{display:flex;align-items:center;gap:8px;padding:9px 9px 7px;border-bottom:1px solid rgba(255,255,255,.055);cursor:grab}.section-index{color:var(--faint);font:500 6px var(--mono)}.section-label{min-width:0;flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font:600 9px var(--mono);letter-spacing:.07em}.scene-chip{border:1px solid color-mix(in srgb,var(--scene) 38%,transparent);background:color-mix(in srgb,var(--scene) 7%,transparent);color:var(--scene);padding:4px 6px;cursor:pointer;font:600 7px var(--mono)}.section-body{padding:10px;display:grid;gap:8px;flex:1}.section-wave{height:34px;display:flex;align-items:center;gap:2px;opacity:.66}.section-wave i{width:3px;background:var(--scene);height:var(--h);opacity:var(--o)}.section-meta{display:flex;justify-content:space-between;gap:8px;font:500 7px var(--mono);color:var(--faint)}.section-meta strong{color:var(--muted);font-weight:500}.section-tools{display:grid;grid-template-columns:auto auto 1fr auto auto;gap:4px;align-items:center}.section-tools button{height:26px;min-width:27px;padding:0 6px}.section-tools select{height:26px;min-width:0;border:1px solid var(--line);background:#090b11;color:var(--muted);font:500 6px var(--mono);letter-spacing:.06em}.section-playhead{position:absolute;inset:0 auto 0 0;width:2px;background:var(--lime);box-shadow:0 0 12px rgba(212,255,103,.55);pointer-events:none;z-index:8;opacity:0}.song-arranger.playing .section-playhead{opacity:1}.song-section.active-now{box-shadow:inset 0 -2px var(--lime)}.arranger-foot{display:flex;align-items:center;gap:7px;padding:9px 12px;border-top:1px solid var(--line)}.arranger-foot button{padding:8px 10px}.arranger-foot .add-section{color:var(--cyan)}.arranger-foot .reset-arrangement{margin-left:auto}.arranger-help{color:var(--faint);font:400 7px var(--mono);margin-left:6px}.arranger-rendering{position:absolute;inset:0;background:rgba(5,7,11,.88);backdrop-filter:blur(10px);z-index:20;display:none;place-items:center}.arranger-rendering.show{display:grid}.arranger-rendering div{text-align:center;font:500 8px var(--mono);letter-spacing:.12em;color:var(--muted)}.arranger-rendering strong{display:block;color:var(--cyan);font-size:11px;margin-bottom:8px}.arranger-progress{height:2px;background:rgba(255,255,255,.06);position:absolute;left:0;right:0;bottom:0}.arranger-progress i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--cyan),var(--violet),var(--lime));box-shadow:0 0 12px rgba(102,233,255,.4)}
body.desktop-focus .song-arranger{margin-left:0;margin-right:0}.song-arranger .song-section[data-scene="0"]{--scene:#66e9ff}.song-arranger .song-section[data-scene="1"]{--scene:#ff6bc7}.song-arranger .song-section[data-scene="2"]{--scene:#d4ff67}.song-arranger .song-section[data-scene="3"]{--scene:#9a7cff}
@media(max-width:1050px){.arranger-head{grid-template-columns:1fr 1.4fr}.arranger-actions{grid-column:1/-1;justify-content:flex-start}.arranger-title{min-width:220px}}@media(max-width:700px){.arranger-head{grid-template-columns:1fr}.arranger-actions{grid-column:auto;overflow:auto;justify-content:flex-start}.arranger-prompt{grid-template-columns:1fr}.arranger-prompt button{min-height:36px}.arranger-summary{overflow:auto;white-space:nowrap}.arranger-track{min-height:150px}.song-section{min-height:124px}.arranger-help{display:none}.arranger-foot{overflow:auto}.arranger-ruler{display:none}}