:root{--grid-bar:#ffffff17;--grid-beat:#ffffff09;--lane:#141414;--lcd:#0b0b0b;--lcd-ink:#ffb49b;--mute:#f2b33d;--solo:#3fbf8a;--rec:#e8476f}:root[data-theme=light]{--grid-bar:#0000001c;--grid-beat:#0000000b;--lane:#f7f6f3;--lcd:#1d1c1a;--lcd-ink:#ffb49b}.studio{background:var(--paper);grid-template:"bar bar bar"50px"tools tools tools"40px"browser arr ai"minmax(0,1fr)"mixer mixer ai"232px/196px minmax(0,1fr) 316px;height:100svh;font-size:13px;display:grid;overflow:hidden}.studio.no-mixer{grid-template-rows:50px 40px minmax(0,1fr) 0}.studio-bar{background:var(--panel);border-bottom:1px solid var(--line);grid-area:bar;align-items:center;gap:10px;padding:0 12px;display:flex}.studio-logo{font-family:var(--display);letter-spacing:.02em;color:var(--ink);align-items:center;gap:7px;margin-right:6px;font-size:17px;display:flex}.studio-logo span{color:var(--accent);margin-left:-3px}.studio-logo svg{color:var(--muted)}.transport{background:var(--surface);border:1px solid var(--line);border-radius:9px;gap:3px;padding:3px;display:flex}.transport button{width:34px;height:30px;color:var(--ink);border-radius:6px;place-items:center;display:grid}.transport button:hover{background:var(--panel)}.transport button.on{color:var(--accent)}.transport .play.on{background:var(--accent);color:#fff}.transport .rec{color:var(--rec)}.transport .rec.on{background:var(--rec);color:#fff;animation:1.2s ease-in-out infinite rec-pulse}@keyframes rec-pulse{50%{opacity:.6}}.lcd{background:var(--lcd);min-width:112px;height:38px;color:var(--lcd-ink);border-radius:7px;flex-direction:column;justify-content:center;padding:0 12px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;line-height:1.15;display:flex}.lcd-time{letter-spacing:.03em;font-size:17px}.lcd-bars{opacity:.65;font-size:10px}.lcd.small{align-items:flex-start;min-width:0;font-size:13px}.lcd-label{opacity:.6;letter-spacing:.1em;font-size:9px}.bar-spacer{flex:1}.studio-user{color:var(--muted);text-overflow:ellipsis;white-space:nowrap;max-width:140px;font-size:12px;overflow:hidden}.theme-toggle.inline-toggle{width:32px;height:32px;position:static}.studio-tools{background:var(--panel);border-bottom:1px solid var(--line);grid-area:tools;align-items:center;gap:8px;min-width:0;padding:0 10px;display:flex}.tool-group{border-right:1px solid var(--line);align-items:center;gap:2px;padding-right:8px;display:flex}.tool-button{min-width:28px;height:28px;color:var(--muted);cursor:pointer;border:1px solid #0000;border-radius:6px;justify-content:center;align-items:center;gap:6px;padding:0 7px;font-size:12px;display:inline-flex}.tool-button:hover{color:var(--ink);background:var(--surface)}.tool-button.on{color:var(--accent);background:color-mix(in srgb,var(--accent) 12%,transparent);border-color:color-mix(in srgb,var(--accent) 35%,transparent)}.tool-button.wide{border:1px solid var(--line);height:38px;color:var(--ink);padding:0 14px;font-size:14px}.snap{color:var(--muted);gap:6px}.snap select{background:var(--surface);color:var(--ink);border:1px solid var(--line);border-radius:6px;height:26px;padding:0 6px;font-size:12px}.tool-hint{color:var(--muted);white-space:nowrap;text-overflow:ellipsis;min-width:0;margin-left:auto;font-size:11px;overflow:hidden}.browser{background:var(--panel);border-right:1px solid var(--line);grid-area:browser;padding:4px 8px 16px;overflow:auto}.browser h2{font-family:var(--sans);letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin:16px 8px 6px;font-size:10px;font-weight:400}.browse-item{text-align:left;width:100%;color:var(--ink);border-radius:6px;align-items:center;gap:9px;padding:7px 9px;font-size:13px;display:flex}.browse-item svg{color:var(--muted);flex:none}.browse-item:hover{background:var(--surface)}.browse-item.chosen{background:color-mix(in srgb,var(--accent) 13%,transparent);color:var(--accent)}.browse-item.chosen svg,.browse-item.recording svg{color:inherit}.browse-item.recording{background:var(--rec);color:#fff}.project-info label,.project-info p{color:var(--muted);justify-content:space-between;align-items:center;margin:0;padding:4px 9px;font-size:12px;display:flex}.project-info strong{color:var(--ink);font-weight:400}.project-info input{background:var(--surface);border:1px solid var(--line);width:74px;color:var(--ink);border-radius:5px;padding:3px 6px;font-size:12px}.project-info .chord-summary{color:var(--ink);font-family:ui-monospace,monospace;font-size:11px;line-height:1.5;display:block}.arrangement{background:var(--lane);overscroll-behavior:contain;grid-area:arr;position:relative;overflow:auto}.arr-canvas{min-height:100%;position:relative}.arr-top{z-index:6;background:var(--panel);border-bottom:1px solid var(--line);display:flex;position:sticky;top:0}.arr-corner{z-index:7;background:var(--panel);border-right:1px solid var(--line);letter-spacing:.1em;text-transform:uppercase;width:196px;color:var(--muted);flex:none;align-items:flex-end;padding:0 10px 7px;font-size:10px;display:flex;position:sticky;left:0}.ruler{cursor:text;-webkit-user-select:none;user-select:none;touch-action:none;position:relative}.ruler-bar{border-left:1px solid var(--line);color:var(--muted);pointer-events:none;padding:5px;font-family:ui-monospace,monospace;font-size:10px;position:absolute;top:0;bottom:0}.ruler-head{border:6px solid #0000;border-top:9px solid var(--accent);pointer-events:none;width:0;height:0;position:absolute;top:0;left:-6px}.ruler-loop{background:var(--accent);pointer-events:none;border-radius:2px;height:5px;position:absolute;bottom:0}.ruler-range{background:color-mix(in srgb,var(--accent) 20%,transparent);pointer-events:none;position:absolute;top:0;bottom:0}.ruler-ghost{pointer-events:none;background:repeating-linear-gradient(-45deg,var(--accent) 0 4px,transparent 4px 8px);background-size:11px 11px;border-radius:3px;height:6px;animation:1s linear infinite ghost-slide;position:absolute;top:2px}@keyframes ghost-slide{to{background-position:11px 0}}.chord-lane{border-top:1px solid var(--line);font-family:ui-monospace,monospace;font-size:11px;position:relative}.chord-lane span{background:var(--surface);border-left:2px solid var(--accent);white-space:nowrap;border-radius:4px;padding:1px 6px;position:absolute;top:3px}.arr-rows{display:flex}.arr-headers{z-index:5;background:var(--panel);border-right:1px solid var(--line);flex:none;width:196px;position:sticky;left:0}.track-head{border-bottom:1px solid var(--line);border-left:4px solid var(--clip);align-items:stretch;display:flex}.track-number{width:24px;color:var(--muted);cursor:pointer;flex:none;place-items:center;font-family:ui-monospace,monospace;font-size:11px;display:grid}.track-main{flex-direction:column;flex:1;justify-content:center;gap:6px;min-width:0;padding:0 8px 0 2px;display:flex}.track-name{color:var(--ink);background:0 0;border:1px solid #0000;border-radius:4px;width:100%;padding:2px 5px;font-size:12.5px}.track-name:hover{border-color:var(--line)}.track-name:focus{background:var(--surface);border-color:var(--accent);outline:none}.track-buttons{gap:4px;padding-left:4px;display:flex}.ms{background:var(--surface);border:1px solid var(--line);width:22px;height:19px;color:var(--muted);border-radius:4px;place-items:center;font-size:10px;font-weight:700;display:grid}.ms.on-mute{background:var(--mute);border-color:var(--mute);color:#1d1606}.ms.on-solo{background:var(--solo);border-color:var(--solo);color:#0a1f16}.ms.trash{background:0 0;border-color:#0000;margin-left:auto}.ms.trash:hover{color:var(--rec)}.arr-lanes{touch-action:none;-webkit-user-select:none;user-select:none;flex:none;position:relative}.arr-lanes.tool-range{cursor:text}.lane{border-bottom:1px solid var(--line);pointer-events:none;position:absolute;left:0;right:0}.clip{cursor:grab;background:var(--clip);border-radius:5px;transition:filter .15s,opacity .15s;position:absolute;overflow:hidden;box-shadow:inset 0 0 0 1px #0000002e}.clip:active{cursor:grabbing}.tool-range .clip{cursor:text}.clip-head{color:#17110d;white-space:nowrap;text-overflow:ellipsis;pointer-events:none;background:#0000001f;height:16px;padding:1px 7px;font-size:11px;font-weight:600;overflow:hidden}.clip-wave{pointer-events:none;display:block}.clip.chosen{box-shadow:0 0 0 2px var(--ink),inset 0 0 0 1px #0000002e;z-index:1}.clip.muted{filter:grayscale();opacity:.35}.clip-edge{cursor:ew-resize;z-index:1;width:7px;position:absolute;top:0;bottom:0;left:0}.clip-edge.right{left:auto;right:0}.clip-edge:hover{background:#ffffff40}.range-box{z-index:2;pointer-events:none;background:color-mix(in srgb,var(--accent) 24%,transparent);box-shadow:inset 1px 0 var(--accent),inset -1px 0 var(--accent);position:absolute}.ghost{z-index:2;pointer-events:none;border-left:1px dashed var(--accent);border-right:1px dashed var(--accent);background:repeating-linear-gradient(-45deg,color-mix(in srgb,var(--accent) 12%,transparent) 0 10px,transparent 10px 20px);position:absolute;top:0}.ghost span{background:var(--panel);color:var(--accent);white-space:nowrap;text-overflow:ellipsis;border-radius:5px;max-width:calc(100% - 12px);margin:6px;padding:3px 8px;font-size:11px;display:inline-block;position:sticky;left:204px;overflow:hidden}.playhead{background:var(--accent);pointer-events:none;z-index:4;will-change:transform;width:2px;position:absolute;top:0;left:-1px}.arr-empty{cursor:default;place-items:center;height:100%;min-height:260px;display:grid;position:absolute;top:0;left:0}.empty-state{text-align:center;max-width:470px;padding:24px}.empty-state h2{margin:0 0 12px;font-size:30px}.empty-state p{color:var(--muted);margin:0 0 22px;font-size:14px;line-height:1.65}.empty-state>div{flex-wrap:wrap;justify-content:center;gap:10px;display:flex}.empty-state .run-button{flex:none;padding:0 18px}.ai-panel{background:var(--panel);border-left:1px solid var(--line);flex-direction:column;grid-area:ai;min-height:0;display:flex;overflow:auto}.panel-title{border-bottom:1px solid var(--line);color:var(--accent);align-items:center;gap:7px;padding:13px 14px;font-size:13px;display:flex}.panel-sub{color:var(--muted);margin-left:auto;font-family:ui-monospace,monospace;font-size:11px}.ai-body{flex-direction:column;gap:13px;padding:14px;display:flex}.ai-heading{align-items:center;gap:8px;margin:0;font-size:18px;display:flex}.ai-tabs{background:var(--surface);border-radius:9px;grid-template-columns:repeat(4,1fr);gap:3px;padding:3px;display:grid}.ai-tabs button{color:var(--muted);border-radius:6px;flex-direction:column;align-items:center;gap:4px;padding:7px 2px;font-size:10.5px;display:flex}.ai-tabs button:hover:not(:disabled){color:var(--ink)}.ai-tabs button.chosen{background:var(--panel);color:var(--accent);box-shadow:0 1px 3px #0003}.ai-blurb{color:var(--muted);margin:0;font-size:12.5px;line-height:1.6}.ai-panel .field{flex-direction:column;gap:6px;margin:0;font-size:12px;display:flex}.ai-panel .field>span{color:var(--muted);justify-content:space-between;display:flex}.ai-panel .field em{color:var(--ink);font-style:normal}.ai-panel input:not([type]),.ai-panel input[type=text],.ai-panel select,.ai-panel textarea{background:var(--surface);border:1px solid var(--line);width:100%;color:var(--ink);border-radius:7px;padding:8px 10px;font-size:13px}.ai-panel textarea{resize:vertical;margin-top:7px;font-family:inherit;line-height:1.5}.ai-panel input[type=range]{accent-color:var(--accent);width:100%}.ai-panel .check{color:var(--ink);align-items:flex-start;gap:8px;font-size:12px;line-height:1.45;display:flex}.ai-more summary{color:var(--muted);cursor:pointer;font-size:12px}.ai-where{border-left:2px solid var(--accent);color:var(--muted);margin:0;padding:2px 0 2px 10px;font-size:11.5px;line-height:1.55}.ai-error{background:color-mix(in srgb,var(--rec) 12%,var(--panel));border:1px solid color-mix(in srgb,var(--rec) 40%,transparent);border-radius:8px;justify-content:space-between;align-items:flex-start;gap:8px;margin:0;padding:9px 11px;font-size:12px;line-height:1.5;display:flex}.ai-actions{gap:8px;display:flex}.ai-actions .tool-button{border-color:var(--line);width:40px;height:40px}.run-button{background:var(--accent);color:#fff;border-radius:9px;flex:1;justify-content:center;align-items:center;gap:8px;height:40px;font-size:14px;display:flex;box-shadow:inset 0 1px 2px #ffffff40}.run-button:hover{background:#ed491d}.ai-note{text-align:center;color:var(--muted);margin:-4px 0 0;font-size:11px}.job-list{border-top:1px solid var(--line);flex-direction:column;gap:6px;margin-top:auto;padding:10px;display:flex}.job{background:var(--surface);border-radius:8px;grid-template-columns:16px minmax(0,1fr) 22px;align-items:center;gap:9px;padding:9px 10px;display:grid}.job .spinner{width:14px;height:14px}.job strong{font-size:12px;font-weight:600;display:block}.job span{color:var(--muted);overflow-wrap:anywhere;font-size:11px;line-height:1.45;display:block}.job.failed{border:1px solid color-mix(in srgb,var(--rec) 45%,transparent);color:var(--rec)}.job button{color:var(--muted);border-radius:5px;place-items:center;height:22px;display:grid}.job button:hover{color:var(--ink);background:var(--panel)}.mixer{background:var(--panel);border-top:1px solid var(--line);grid-area:mixer;gap:5px;padding:8px;display:flex;overflow-x:auto}.mixer-empty{color:var(--muted);align-self:center;margin:0 16px;font-size:12px}.strip{background:var(--surface);border-top:3px solid var(--clip);border-radius:7px;flex-direction:column;flex:none;align-items:center;gap:5px;width:72px;padding:6px 4px 7px;display:flex}.strip-master{background:color-mix(in srgb,var(--accent) 8%,var(--surface));width:80px}.strip-number{color:var(--muted);font-family:ui-monospace,monospace;font-size:10px}.strip-pan{align-items:center;height:16px;display:flex}.strip-pan input{width:58px;accent-color:var(--clip)}.strip-body{gap:7px;height:104px;display:flex}.strip-meter{background:#0005;border-radius:3px;width:6px;position:relative;overflow:hidden}.strip-meter i{transform-origin:bottom;background:linear-gradient(0deg,#3fbf8a 0 62%,#f2b33d 62% 84%,#e8476f 84%);position:absolute;inset:0;transform:scaleY(0)}.fader{writing-mode:vertical-lr;width:22px;height:104px;accent-color:var(--clip);direction:rtl;margin:0}.strip-db{color:var(--muted);font-family:ui-monospace,monospace;font-size:10px}.strip-buttons{gap:3px;display:flex}.strip-name{text-overflow:ellipsis;white-space:nowrap;max-width:64px;font-size:10.5px;overflow:hidden}.studio-notice{z-index:20;background:var(--ink);color:var(--paper);border-radius:9px;align-items:center;gap:12px;max-width:calc(100vw - 32px);margin:0;padding:10px 16px;font-size:13px;display:flex;position:fixed;bottom:22px;left:50%;transform:translate(-50%);box-shadow:0 8px 24px #0005}.studio-notice button{color:var(--accent);font-weight:600}@media (max-width:900px){.studio{grid-template:"bar""tools""arr"56svh"ai""browser""mixer"/minmax(0,1fr);height:auto;min-height:100svh;overflow:visible}.studio.no-mixer{grid-template-rows:auto auto 56svh auto auto}.studio-bar{flex-wrap:wrap;padding:8px 12px}.studio-user,.tool-hint,.lcd.small{display:none}.studio-tools{overflow-x:auto}.ai-panel,.browser{border:0;border-top:1px solid var(--line)}.mixer{min-height:200px}}@media (prefers-reduced-motion:reduce){.transport .rec.on,.ruler-ghost{animation:none}}.model-pick{flex-direction:column;gap:7px;display:flex}.model-pick>div{background:var(--surface);border-radius:9px;grid-template-columns:repeat(3,1fr);gap:3px;padding:3px;display:grid}.model-pick button{color:var(--muted);white-space:nowrap;border-radius:6px;padding:7px 4px;font-size:11.5px}.model-pick button:hover:not(:disabled){color:var(--ink)}.model-pick button.chosen{background:var(--panel);color:var(--accent);box-shadow:0 1px 3px #0003}.model-pick button:disabled{opacity:.35}.model-pick p,.model-pick-note{color:var(--muted);margin:0;font-size:11.5px;line-height:1.5}.segmented{background:var(--surface);border-radius:9px;grid-template-columns:1fr 1fr;gap:3px;padding:3px;display:grid}.segmented button{color:var(--muted);border-radius:6px;padding:7px 4px;font-size:12px}.segmented button:hover{color:var(--ink)}.segmented button.chosen{background:var(--panel);color:var(--accent);box-shadow:0 1px 3px #0003}.text-button{color:var(--accent);cursor:pointer;background:0 0;border:0;align-items:center;gap:6px;margin-top:7px;padding:0;font-size:12px;display:inline-flex}.text-button:hover{text-decoration:underline}.ghost-button{border:1px solid var(--line);height:34px;color:var(--ink);background:var(--surface);cursor:pointer;border-radius:8px;flex:1;font-size:12.5px}.ghost-button:hover{border-color:var(--accent);color:var(--accent)}.score-next{gap:8px;display:flex}.score-sheet{flex-direction:column;gap:11px;display:flex}.score-meta{grid-template-columns:1fr 92px;align-items:end;gap:10px;display:grid}.score-meta input[type=number]{background:var(--surface);border:1px solid var(--line);width:100%;color:var(--ink);border-radius:7px;padding:7px 8px;font-size:13px}.stepper{background:var(--surface);border:1px solid var(--line);border-radius:7px;align-items:center;gap:4px;padding:3px;display:flex}.stepper button{width:26px;height:26px;color:var(--muted);border-radius:5px;place-items:center;display:grid}.stepper button:hover{color:var(--ink);background:var(--panel)}.stepper strong{text-align:center;white-space:nowrap;flex:1;font-size:12.5px;font-weight:600}.stepper strong em{color:var(--accent);font-style:normal;font-weight:500}.score-bars{grid-template-columns:repeat(2,minmax(0,1fr));gap:5px;max-height:300px;padding-right:2px;display:grid;overflow:auto}.score-bar{background:var(--surface);border:1px solid var(--line);border-radius:7px;flex-direction:column;gap:3px;padding:6px 7px 7px;display:flex;position:relative}.score-bar.opens{border-left:3px solid var(--accent)}.score-bar .bar-no{color:var(--muted);justify-content:space-between;font-family:ui-monospace,monospace;font-size:10px;display:flex}.score-bar .bar-no small{font-size:10px}.score-bar em{letter-spacing:.06em;text-transform:uppercase;color:var(--accent);font-size:10px;font-style:normal}.ai-panel .score-bar input{background:var(--panel);padding:4px 6px;font-family:ui-monospace,monospace;font-size:12.5px}.score-hint{color:var(--muted);margin:0;font-size:11px;line-height:1.5}