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#0000003d}.clip:hover{filter:brightness(1.12)}.clip{touch-action:none;-webkit-user-select:none;user-select:none;cursor:grab}.clip.is-dragging{cursor:grabbing;opacity:.8;z-index:4}.clip.is-invalid{filter:saturate(.3);outline:2px solid #fb7185}.arranger-tools{flex-wrap:wrap;justify-content:flex-end;gap:8px}.clip.is-selected{outline-offset:2px;box-shadow:0 0 24px color-mix(in srgb, var(--track-color), transparent 48%);outline:2px solid #e8f8ff}.clip-title{justify-content:space-between;gap:8px;padding:9px 10px 0;font-size:.68rem;display:flex}.clip-title strong{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.clip-title em{color:#ffffffad;flex:none;font-style:normal}.clip-notes{position:absolute;inset:30px 8px 8px}.clip-resize-handle{z-index:2;cursor:ew-resize;width:10px;position:absolute;top:0;bottom:0;right:0}.clip-resize-handle:after{content:"";background:#ffffff7a;border-radius:2px;width:2px;height:24px;position:absolute;top:24px;right:3px;box-shadow:-3px 0 #fff3}.clip.is-resizing{cursor:ew-resize}.clip-notes i{--note-y:calc((5 - var(--pitch)) * 6px);left:var(--note-left);top:var(--note-y);width:var(--note-width);opacity:.84;background:#d2f6ff;border-radius:3px;height:4px;position:absolute}.empty-clip{color:#ffffff94;letter-spacing:.06em;text-transform:uppercase;place-items:center;height:100%;font-size:.61rem;display:grid}.playhead{--progress:0;z-index:3;top:0;bottom:0;left:calc(136px + var(--arranger-lane-width) * var(--progress));background:var(--cyan-bright);pointer-events:none;width:1px;position:absolute;box-shadow:0 0 12px #16c8ffb3}.playhead:before{content:"";background:var(--cyan-bright);clip-path:polygon(0 0,100% 0,50% 100%);width:11px;height:8px;position:absolute;top:0;left:-5px}.milestone-note{border-top:1px solid var(--line);background:#070f1acc;align-items:center;gap:12px;min-height:76px;padding:14px 18px;display:flex}.milestone-note strong{font-size:.78rem}.milestone-note p{color:var(--muted);margin:4px 0 0;font-size:.72rem}.pulse-dot{border:2px solid var(--cyan-bright);border-radius:50%;width:10px;height:10px;box-shadow:0 0 16px #16c8ff80}.mobile-notice{display:none}.piano-panel{z-index:5;background:var(--surface);border:0;border-top:1px solid var(--line-strong);flex-direction:column;grid-row:5;min-height:0;display:flex;position:relative;overflow:hidden;box-shadow:0 -18px 42px #02070e66}.piano-panel[hidden]{display:none}.piano-panel.is-expanded{z-index:10;border:1px solid var(--line-strong);border-radius:12px;position:fixed;inset:96px 12px 12px;box-shadow:0 24px 80px #000b}.piano-toolbar{border-bottom:1px solid var(--line);flex-wrap:wrap;align-items:center;gap:10px;padding:10px 14px;display:flex}.piano-divider{cursor:row-resize;border-bottom:1px solid #10243a;flex:0 0 10px}.piano-divider span{background:var(--line-strong);border-radius:2px;width:54px;height:2px}.piano-toolbar h2{margin:4px 0 0;font-size:1rem}.piano-toolbar>div{margin-right:auto}.piano-panel label{color:#adc0d4;align-items:center;gap:8px;font-size:.75rem;display:flex}.piano-panel select,.piano-panel input,.piano-panel button:not(.piano-note){color:var(--text);background:var(--surface-2);border:1px solid var(--line-strong);font:inherit;border-radius:6px;padding:7px 9px}.piano-toolbar button{font-size:.8rem!important}.piano-scroll{flex:1;min-height:120px;position:relative;overflow:auto}.piano-canvas{height:2560px;display:flex;position:relative}.piano-keys{z-index:3;flex-shrink:0;width:64px;position:sticky;left:0}.piano-key{text-align:right;color:#102033;background:#dce8f4;border-bottom:1px solid #9dafc0;height:20px;padding:2px 8px;font-size:10px}.piano-key.is-black{color:#acc6df;background:#112135;border-right:10px solid #c4d3e2}.piano-panel button.piano-key{color:#102033;background:#dce8f4;border:0;border-bottom:1px solid #9dafc0;border-radius:0;width:64px;height:20px;padding:2px 8px;font-size:10px;display:block}.piano-panel button.piano-key.is-black{color:#acc6df;background:#112135;border-right:10px solid #c4d3e2}.piano-panel button.piano-key.is-unplayable{color:#6e3d47;background:#f0c8ce;border-bottom-color:#d99aa4}.piano-panel button.piano-key.is-black.is-unplayable{color:#f7c5cc;background:#70434d;border-right-color:#e1aeb5}.piano-panel button.piano-key:active{background:var(--cyan-bright)}.piano-grid{touch-action:none;background-color:#0b1929;background-image:linear-gradient(0deg, var(--line) 1px, transparent 1px), repeating-linear-gradient(to bottom, transparent 0 20px, #02091466 20px 40px, transparent 40px 80px, #02091466 80px 100px, transparent 100px 120px, #02091466 120px 140px, transparent 140px 180px, #02091466 180px 200px, transparent 200px 220px, #02091466 220px 240px), linear-gradient(90deg, #3b5974 1px, transparent 1px), linear-gradient(90deg, #21374c 1px, transparent 1px);background-size:100% 20px, 100% 240px, var(--beat-width) 100%, var(--snap-width) 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12px;font-size:.75rem}.piano-playhead{background:var(--cyan-bright);z-index:2;pointer-events:none;width:2px;position:absolute;top:0;bottom:0}.piano-ruler{z-index:4;pointer-events:none;color:#adc0d4;background:#10243a;height:20px;display:flex;position:sticky;top:0}.piano-ruler span{border-left:1px solid #51708b;flex-shrink:0;padding-left:5px;font-size:11px}.help-dialog{width:min(720px,100vw - 40px);max-height:85vh;color:var(--text);background:var(--surface);border:1px solid var(--line-strong);border-radius:14px;padding:0;box-shadow:0 24px 80px #0009}.help-dialog::backdrop{-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);background:#020810bb}.session-dialog{width:min(620px,100vw - 40px);color:var(--text);background:linear-gradient(145deg,#0b1c2d,#07111e);border:1px solid #176d92;border-radius:18px;padding:30px;box-shadow:0 30px 100px #000c,0 0 50px #16c8ff18}.session-dialog::backdrop{-webkit-backdrop-filter:blur(7px);backdrop-filter:blur(7px);background:#020810d9}.session-dialog[open]{grid-template-columns:minmax(0,1fr);gap:18px;display:grid}.session-dialog-logo{width:190px;height:auto;display:block}.session-dialog h2{margin:0 0 14px;font-size:1.5rem}.session-dialog p{color:#b7cbdd;margin:10px 0;font-size:.92rem;line-height:1.6}.session-dialog p strong{color:#eff9ff}.session-dialog-dismiss{color:#91a9bd;align-items:center;gap:9px;margin-top:18px;font-size:.78rem;display:flex}.session-dialog-dismiss input{accent-color:var(--cyan-bright)}.session-dialog-actions{justify-content:flex-end;gap:10px;margin-top:24px;display:flex}.session-dialog-actions button{border-radius:8px;min-height:40px;padding:0 15px}.session-dialog-actions button.primary{color:#03101a;border-color:var(--cyan-bright);background:var(--cyan-bright);font-weight:800}.help-heading{background:var(--surface);border-bottom:1px solid var(--line);z-index:1;justify-content:space-between;align-items:center;gap:16px;padding:20px 24px;display:flex;position:sticky;top:0}.help-heading h2{margin:5px 0 0;font-size:1.5rem}.help-heading button{color:var(--cyan-bright);border-radius:8px;padding:9px 12px}.help-content{padding:4px 24px 24px;font-size:.86rem;line-height:1.7}.help-content section{margin-top:24px}.help-content h3{color:#dcecff;margin:0 0 8px;font-size:1rem}.help-content p,.help-content li,.help-shortcuts dd{color:#adc0d4}.help-content strong{color:var(--text)}.help-content ul{padding-left:20px}.help-content li+li{margin-top:8px}.help-notice{background:#40311644;border:1px solid #8f713e;border-radius:10px;padding:16px}.help-notice p{margin-bottom:0}.help-shortcuts{margin:0}.help-shortcuts>div{border-bottom:1px solid var(--line);grid-template-columns:180px 1fr;gap:16px;padding:12px 0;display:grid}.help-shortcuts dd{margin:0}.help-shortcuts kbd{border:1px solid var(--line-strong);background:var(--surface-2);border-radius:5px;padding:3px 7px;font-size:.8rem}@media (width<=1100px){.topbar{grid-template-columns:190px minmax(150px,1fr) auto 78px 60px auto;gap:10px}.future-actions .future-placeholder{display:none}.workspace{--track-column-width:250px}}@media (width<=780px){body{overflow:auto}.topbar,.workspace{display:none}.studio-shell{justify-content:center;height:auto;min-height:100vh;padding:28px}.mobile-notice{border:1px solid var(--line);background:var(--surface);text-align:center;border-radius:14px;max-width:430px;margin:auto;padding:28px;display:block}.mobile-notice strong{font-size:1.15rem}.mobile-notice p{color:var(--muted);margin-bottom:0;line-height:1.6}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important}}