:root{font-family:Inter,Segoe UI,Microsoft YaHei,sans-serif;color:#dfe7e9;background:#101418;font-synthesis:none;font-weight:400;color-scheme:dark;--muted:#7f909a;--line:#2a333b;--mint:#a9f2d9;--panel:#171d23}*{box-sizing:border-box}body{margin:0;font-size:12px}button,input,select{font:inherit}button{display:inline-flex;align-items:center;justify-content:center;gap:7px;cursor:pointer;border:1px solid var(--line);border-radius:6px;color:#b5c2c9;background:#20272e;padding:8px 11px;transition:background .15s,color .15s}button:hover{color:#edf5f4;background:#2c373f}button:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--mint);outline-offset:2px}button.active{color:var(--mint);border-color:#4f7b6c;background:#273e38}button.primary{color:#173d30;background:var(--mint);border-color:var(--mint);font-weight:650}button.primary:hover{background:#d3ffe9}button.danger{color:#ffb0b8;border-color:#694047}svg{width:16px;height:16px;flex-shrink:0}input,select{border:1px solid #35414a;border-radius:5px;background:#12191f;color:#dbe8ea;padding:8px;min-width:0}input[type=range]{appearance:none;border:0;background:transparent;padding:0;height:18px;cursor:pointer;accent-color:var(--mint)}input[type=range]::-webkit-slider-runnable-track{height:3px;background:#3c494e;border-radius:3px}input[type=range]::-webkit-slider-thumb{appearance:none;width:10px;height:10px;border-radius:50%;background:#b8d9ce;margin-top:-3.5px}input[type=checkbox]{accent-color:var(--mint)}.topbar{height:68px;border-bottom:1px solid var(--line);display:flex;align-items:center;padding:0 24px;gap:32px;background:#151a20}.brand{width:221px;display:flex;align-items:center;gap:11px;color:#e9f2ed;font-size:18px;font-weight:600;letter-spacing:.3px;flex-shrink:0}.brand-mark{font-size:37px;font-weight:400;color:var(--mint);line-height:1}.brand small{display:block;font-size:9px;color:#81958d;font-weight:400;letter-spacing:1.6px;margin-top:3px}.project-title{display:flex;align-items:center;gap:10px;flex:1;color:#a7b8c0}.status-dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:#9ad5b8;box-shadow:0 0 8px #8bc9ac22}.badge{font-size:9px;letter-spacing:.5px;color:#92aaa0;background:#23312d;border:1px solid #35453e;padding:3px 6px;border-radius:4px}.badge.unsaved{color:#e4c897;background:#3b3020;border-color:#685633}.header-actions{display:flex;gap:8px}.header-actions>button{height:33px}.workspace{display:grid;grid-template-columns:245px minmax(0,1fr);min-height:calc(100vh - 68px)}.library{border-right:1px solid var(--line);background:#151b21;display:flex;flex-direction:column;position:sticky;top:0;height:calc(100vh - 68px);min-height:560px}.section-label{padding:24px 20px 18px;color:#71828c;font-size:9px;letter-spacing:1.8px;display:flex;align-items:center;justify-content:space-between}.section-label span{font-size:10px;letter-spacing:1px;color:#9cacb4}.library-actions{display:flex;gap:8px;padding:0 18px 18px}.library-actions button{flex:1;font-size:11px;padding:8px 5px}.search-wrap{margin:0 18px;display:flex;gap:8px;align-items:center;background:#0f151a;border:1px solid #29353d;border-radius:6px;padding:0 9px;color:#627581}.search-wrap input{width:100%;background:transparent;border:none;padding:9px 0;font-size:11px}.library-caption{display:flex;justify-content:space-between;padding:22px 20px 12px;color:#8d9da5;font-size:10px}.library-caption span:last-child{color:#5e7580}.song-list{flex:1;overflow-y:auto;padding:0 9px 20px;scrollbar-width:thin;scrollbar-color:#35434b transparent}.song-card{border:1px solid transparent;background:transparent;width:100%;text-align:left;padding:9px;gap:11px;margin-bottom:3px;justify-content:flex-start;min-height:70px}.song-card.active{background:#223831;border-color:#39594d}.thumb{width:43px;height:43px;border-radius:5px;background:#303f42;flex-shrink:0;overflow:hidden;display:grid;place-items:center;font-size:25px}.thumb img{width:100%;height:100%;object-fit:cover}.song-card-info{min-width:0;flex:1}.song-card-info strong{display:block;color:#d2e0e2;font-size:11px;font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.song-card-info span{display:block;color:#7e929b;font-size:10px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:4px}.song-card-info small{display:block;font-size:9px;color:#6b848b;margin-top:5px}.song-card-info i{font-style:normal;padding:0 4px}.song-active-dot{width:4px;height:4px;background:var(--mint);border-radius:50%}.library-bottom{display:flex;align-items:center;gap:8px;padding:17px 18px;font-size:10px;color:#81958f;border-top:1px solid var(--line)}.library-bottom>span:last-child{margin-left:auto;color:#5f7770}.empty-library{padding:28px 16px;color:#7f9299;text-align:center;line-height:2}main{min-width:0;padding:24px 28px 0}.songbar{display:flex;align-items:center;gap:15px;margin-bottom:20px}.song-cover{width:54px;height:54px;background:#35483f;border:1px solid #4a6155;border-radius:8px;display:grid;place-items:center;font-size:34px;color:var(--mint);overflow:hidden;flex-shrink:0}.song-cover img{width:100%;height:100%;object-fit:cover}.song-info{flex:1;min-width:0}.song-info h1{font-size:22px;letter-spacing:1px;font-weight:550;margin:0 0 7px}.song-info p{color:#82969f;font-size:11px;margin:0}.song-meta{display:flex;gap:28px;margin-right:15px}.song-meta span{font-size:9px;letter-spacing:1px;color:#788d95;display:flex;flex-direction:column;gap:5px}.song-meta strong{font-size:17px;font-weight:500;color:#d6e3e3;letter-spacing:0}.songbar>button{border:0;background:transparent}.difficulty-bar{border-bottom:1px solid var(--line);display:flex;gap:14px;align-items:center;padding-bottom:13px;margin-bottom:20px;min-width:0}.mode-badge{color:#bacdc4;border:1px solid #395448;background:#1c2c24;border-radius:4px;padding:4px 7px;font-size:10px}#difficulties{display:flex;gap:5px;overflow:auto;max-width:60%}.difficulty{font-size:10px;background:transparent;padding:5px 10px;border-color:transparent;white-space:nowrap}.difficulty small{margin-left:4px;font-size:8px}.difficulty.active{background:#2b3b34;border-color:#47594d;color:#c9ebd4}.text-button{border:0;background:transparent;font-size:10px;color:#8a9d9a;padding:4px}.spacer{flex:1}#source-path{color:#5e7580;font:10px Consolas,monospace;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.upper-workspace{display:grid;grid-template-columns:minmax(330px,1.2fr) minmax(325px,1fr);gap:18px;margin-bottom:20px}.preview-panel,.inspector-panel,.timeline-panel{border:1px solid var(--line);border-radius:8px;overflow:hidden;background:var(--panel)}.panel-heading{height:43px;display:flex;align-items:center;justify-content:space-between;padding:0 16px;border-bottom:1px solid #2a343b;color:#c2cfd3;font-size:11px;background:#1a2128}.panel-heading>span,.panel-heading>div{display:flex;gap:8px;align-items:center}.panel-heading svg{width:14px;height:14px;color:#84998f}.panel-heading button{padding:3px;background:transparent;border:0}.live-label{color:#83b69f;font-size:8px;letter-spacing:1.2px}.live-label:before{content:"•";padding-right:4px}.subtle{color:#697f89;font-size:10px}#preview{display:block;width:100%;height:355px}.preview-footer{height:32px;display:flex;align-items:center;justify-content:center;gap:14px;font-size:9px;color:#7d929c;border-top:1px solid #28343a}.preview-footer span{display:flex;gap:5px;align-items:center}.legend-dot{display:inline-block;width:7px;height:7px;border-radius:2px;background:#a0d3bf}.legend-dot.pink{background:#f197b1}.legend-dot.blue{background:#8dacf9}.inspector-panel{display:flex;flex-direction:column}.tool-tabs{display:flex;padding:13px 14px 12px;gap:6px}.tool-tabs button{flex:1;background:#202831;font-size:10px;padding:7px}.tool-tabs button.active{background:#31483e;color:#b5ebcf;border-color:#486654}.tool-tabs svg{width:13px;height:13px}.kind-tabs{display:flex;margin:0 15px;border-bottom:1px solid #303b42;gap:15px}.kind-tabs button{padding:0 0 10px;border-radius:0;border:0;background:none;font-size:10px;white-space:nowrap;color:#79929b}.kind-tabs button.active{border-bottom:2px solid var(--mint);color:#c2e6d5}#inspector{padding:13px 16px 0;flex:1;min-height:197px;max-height:254px;overflow:auto;scrollbar-width:thin}.inspector-caption{font-size:10px;color:#adbec4;display:flex;justify-content:space-between;gap:12px;margin-bottom:12px}.inspector-caption span{font-size:9px;color:#667e88}.field-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.field-grid label,.full-field{display:flex;flex-direction:column;gap:6px;font-size:10px;color:#8fa3ad}.field-grid input,.field-grid select{width:100%;padding:7px;font-size:11px}.field-help{color:#7a919b;font-size:10px;line-height:1.8;margin:13px 0}.color-picker{display:flex;gap:7px}.color-picker button{padding:6px 10px;background:#1c252c;font-size:10px}.color-picker button.active{border-color:#5a7770}.empty-selection{text-align:center;padding:15px 0 8px;color:#839ba4}.empty-icon{display:block;color:#587369;margin-bottom:6px}.empty-icon svg{width:24px;height:24px}.empty-selection strong{font-size:11px;font-weight:400;color:#9bb6ad}.empty-selection p{font-size:10px;line-height:1.8;color:#657f89;margin:7px 0}.quick-add{display:flex;justify-content:center;gap:7px}.quick-add button{font-size:9px;padding:5px 8px}.quick-add svg{width:12px;height:12px}.edit-actions{display:flex;gap:8px;justify-content:space-between;padding:10px 16px}.edit-actions button{background:#202a32;border-color:#354049;padding:6px 10px}.edit-actions svg{width:13px;height:13px}.inspector-bottom{display:flex;gap:7px;border-top:1px solid #2a333b;padding:9px 15px;justify-content:space-between}.inspector-bottom button{padding:2px 0;background:transparent;border:0;font-size:10px;color:#829b9e}.inspector-bottom svg{width:12px}.timeline-toolbar{height:47px;display:flex;justify-content:space-between;align-items:center;padding:0 16px;background:#1b2229;border-bottom:1px solid var(--line)}.timeline-title{display:flex;align-items:center;gap:9px;font-size:11px;color:#c4d1d4}.timeline-title>svg{color:#99b0a7}.timeline-title .badge{font-size:8px;background:#263039;border-color:#35414a;color:#7e959f}.timeline-options{display:flex;gap:17px;align-items:center}.timeline-options label{display:flex;align-items:center;gap:8px;color:#7c939b;font-size:10px}.timeline-options select{font-size:10px;padding:4px;background:#202a32}.timeline-options input{width:75px}.timeline-options button{padding:3px;background:transparent;border:0}#timeline{display:block;width:100%;height:524px}.timeline-scroll{width:calc(100% - 105px);margin:0 15px 0 88px;height:12px!important}.timeline-hint{display:flex;justify-content:space-between;gap:15px;padding:8px 15px 10px;border-top:1px solid #253039;color:#657c87;font-size:9px}.transport{display:flex;align-items:center;gap:19px;position:sticky;bottom:0;background:#141d21ef;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);min-height:70px;border-top:1px solid #304039;margin-top:18px;z-index:2}.transport-buttons{display:flex;align-items:center;gap:8px}.transport-buttons button{border:0;background:transparent;padding:7px;color:#91a6a4}.transport-buttons button.active{color:var(--mint);background:#2b4237}.transport-buttons .play-button{background:var(--mint);color:#264c3b;width:34px;height:34px;border-radius:50%}.play-button svg{width:15px;height:15px}.transport-time{min-width:103px}.transport-time strong{font:17px Consolas,monospace;letter-spacing:1px;color:#d3e8df;display:block}.transport-time>span{display:flex;align-items:center;gap:4px;font-size:8px;color:#6d8980;margin-top:3px;letter-spacing:1px}.transport-time input{border:0;padding:1px 3px;background:transparent;font:10px Consolas,monospace;width:72px;color:#94b9a7}.transport #seek{flex:1;min-width:50px}.speed-label select{border:0;background:transparent;font-size:11px;color:#97b6a7}.volume-label{display:flex;align-items:center;gap:10px;color:#839b90}.volume-label svg{width:14px}.volume-label input{width:66px}#toast{position:fixed;bottom:85px;left:50%;transform:translate(-50%) translateY(10px);background:#2a3d35;color:#e2f5e8;border:1px solid #698779;box-shadow:0 8px 25px #0006;border-radius:8px;padding:12px 22px;z-index:20;opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;max-width:85vw;font-size:12px}#toast.show{opacity:1;transform:translate(-50%) translateY(0)}dialog{width:min(650px,90vw);border:1px solid #405249;border-radius:12px;background:#1b252b;padding:25px;color:#d2e0de;box-shadow:0 30px 100px #0008;max-height:85vh}dialog::backdrop{background:#081012b8;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.modal-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:22px}.modal-heading h2{margin:0;font-size:18px;font-weight:500}.modal-heading button{padding:4px;border:0;background:transparent}.modal-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:24px}.modal-actions button{font-size:11px}dialog p{font-size:12px;line-height:1.9;color:#9fb7b6}.settings-grid{grid-template-columns:1fr 1fr;gap:18px}.full-field{margin-top:16px}.checkbox{display:flex;align-items:center;gap:8px;margin-top:20px;color:#a8bbb9;font-size:11px}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.stats-grid>div{background:#24332f;padding:15px 10px;border-radius:8px;font-size:10px;color:#92b2a4;text-align:center}.stats-grid strong{display:block;color:var(--mint);font-size:24px;font-weight:400;margin-bottom:8px}dialog h3{font-size:12px;font-weight:500;margin-top:23px}.check-list{font-size:11px;color:#98ada9;line-height:1.8;max-height:160px;overflow:auto;padding-left:20px}.shortcut-list{display:grid;grid-template-columns:1fr 1fr;gap:16px}.shortcut-list>div{display:flex;flex-direction:column;gap:6px;color:#93ada7;font-size:11px}kbd{font:11px Consolas,monospace;color:#d6e9df}:root{--sidebar: 254px;--glass: #172127ed;--timeline-height: clamp(240px, 40vh, 500px)}body,#app{height:100dvh;overflow:hidden}.workspace{height:100%;min-height:0;grid-template-columns:var(--sidebar) minmax(0,1fr)}.library{height:100%;min-height:0;position:relative;overflow:hidden}.brand{width:auto;padding:22px 18px 6px}.section-label{padding:22px 20px 14px}.library-caption{padding-top:18px}.song-list{min-height:80px}.library-bottom{flex-shrink:0;padding:12px 18px}.difficulty-bar{display:flex;flex-direction:column;align-items:stretch;gap:10px;margin:0;padding:16px;border-top:1px solid var(--line);border-bottom:0;background:#18232a;flex-shrink:0;max-height:30vh;overflow:auto}.difficulty-heading{display:flex;justify-content:space-between;align-items:center;color:#9fb8b0;font-size:11px}#difficulties{flex-wrap:wrap;max-width:none;overflow:visible;gap:6px}.difficulty{padding:7px 9px;background:#1e2c32;border:1px solid #32434a}#add-difficulty{align-self:flex-start}#source-path{display:block;flex-shrink:0;font-size:10px}main{position:relative;height:100%;padding:0;overflow:hidden}.preview-panel{position:absolute;inset:0;border:0;border-radius:0;background:#121c24}.preview-viewport{position:absolute;inset:0;background:#121c24}.timeline-open .preview-viewport{bottom:calc(var(--timeline-height) + 130px)}.timeline-open .preview-footer{bottom:calc(var(--timeline-height) + 102px)}.timeline-open .inspector-panel{top:82px;max-height:calc(100% - var(--timeline-height) - 224px)}.preview-viewport #preview.dragging-note{cursor:grabbing}.preview-viewport #preview{display:block;width:100%;height:100%;outline-offset:-3px;touch-action:none;cursor:crosshair}.scene-top{position:absolute;top:18px;left:18px;right:18px;display:flex;align-items:flex-start;justify-content:space-between;gap:20px;pointer-events:none}.scene-top>*{pointer-events:auto}.scene-song{min-width:0;max-width:520px;padding:12px 14px;border:1px solid #3c57534d;border-radius:10px;background:#152126da;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.songbar{margin:0;gap:12px}.song-cover{width:40px;height:40px;font-size:28px}.song-info h1{font-size:17px;letter-spacing:.4px;margin-bottom:5px;white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.song-info p{font-size:10px;max-width:200px;white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.song-meta{margin:0 0 0 10px;gap:18px}.song-meta strong{font-size:14px}.song-meta span{font-size:8px;gap:3px}.scene-status{margin-top:9px}.project-title{font-size:10px;gap:7px}#project-title{display:none}.header-actions{padding:4px;border-radius:8px;background:#152126da;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.header-actions button{font-size:11px}.scene-camera{position:absolute;left:18px;top:132px;display:flex;flex-direction:column;align-items:flex-start;gap:12px}.scene-camera>span{display:flex;align-items:center;gap:7px;color:#9bb4b4;font-size:10px;letter-spacing:.5px;pointer-events:none}.scene-camera>div{display:flex;align-items:center;gap:5px;padding:5px;border:1px solid #3c57535c;border-radius:8px;background:var(--glass);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.scene-camera button{padding:5px;height:28px;min-width:28px;background:#1c2b31;border-color:#32474b}#camera-preset{font-size:11px;padding:5px;background:#172329;border-color:#394d52;color:#b9d0c9;height:28px}.preview-hud{position:absolute;top:228px;left:22px;display:flex;flex-direction:column;gap:7px;pointer-events:none;font:9px Consolas,monospace;letter-spacing:1px;color:#789e9d;text-shadow:0 1px 5px #000}.preview-hud .preview-beat{color:#b4d4c7;letter-spacing:.4px}.preview-footer{position:absolute;bottom:92px;left:22px;right:22px;height:auto;border:0;justify-content:flex-start;flex-wrap:wrap;gap:8px 16px;color:#819a9d;pointer-events:none}.preview-events{position:absolute;bottom:122px;left:22px;max-width:85%;font:11px Consolas,monospace;color:#c4a4ec;text-shadow:0 1px 5px #000;pointer-events:none}.preview-error{position:absolute;inset:25%;display:grid;place-content:center;line-height:1.9;color:#d7b389;text-align:center;pointer-events:none}.inspector-panel{position:absolute;z-index:3;right:18px;top:82px;width:322px;max-width:calc(100% - 36px);max-height:calc(100% - 178px);background:var(--glass);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);border-color:#4259549c;box-shadow:0 12px 40px #0003}#tools-handle{cursor:grab;touch-action:none;-webkit-user-select:none;user-select:none;flex-shrink:0;background:#21312ecf}#tools-handle:active{cursor:grabbing}#tools-handle button{cursor:pointer;width:24px;height:24px;font-size:18px}#tools-body{display:flex;flex-direction:column;min-height:0;overflow:visible}#tools-body[hidden]{display:none}#inspector{min-height:0;max-height:none;flex:1 0 auto;overflow:visible}.kind-tabs{gap:12px}.kind-tabs button{font-size:10px}.inspector-bottom,.edit-actions,.tool-tabs,.kind-tabs{flex-shrink:0}.empty-selection{padding:20px 0 12px}.field-grid{gap:9px}.timeline-panel{position:absolute;z-index:4;left:18px;right:18px;bottom:130px;height:var(--timeline-height);min-height:0;display:flex;flex-direction:column;background:#141f25f5;border-color:#425954;box-shadow:0 -8px 45px #0005;transform:translateY(0);opacity:1;visibility:visible;transition:transform .22s ease,opacity .22s ease,visibility .22s}.timeline-panel.is-collapsed{transform:translateY(calc(100% + 100px));opacity:0;visibility:hidden;pointer-events:none}.timeline-toolbar{height:45px;flex-shrink:0;justify-content:flex-start;gap:20px}.timeline-options{gap:14px}#hide-timeline{color:#b1c8bc;font-size:10px;margin-right:10px}.timeline-wrap{flex:1;min-height:0}#timeline{width:100%;height:100%}.timeline-scroll,.timeline-hint{flex-shrink:0}.timeline-hint{padding:7px 15px;font-size:9px}.transport{position:absolute;z-index:5;left:18px;right:18px;bottom:16px;height:62px;min-height:0;margin:0;padding:0 14px;gap:16px;border:1px solid #45635580;border-radius:10px;background:#14231fee;box-shadow:0 10px 40px #0005}#toggle-timeline{font-size:10px;padding:8px;white-space:nowrap}.transport-buttons{gap:5px}.transport-time strong{font-size:15px}#toast{position:absolute;bottom:90px}dialog{margin-left:calc(var(--sidebar) + (100vw - var(--sidebar) - min(650px,100vw - var(--sidebar) - 40px)) / 2);width:min(650px,100vw - var(--sidebar) - 40px)}dialog::backdrop{background:linear-gradient(to right,#08101266 var(--sidebar),#081012b8 var(--sidebar));-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}@media(max-width:1200px){:root{--sidebar: 220px}.brand{padding-left:15px;font-size:16px}.inspector-panel{width:300px}.header-actions button span{display:none}.song-meta{gap:10px}.scene-song{max-width:calc(100% - 155px)}.transport{gap:10px;padding:0 10px}.volume-label{display:none}.kind-tabs{gap:9px}}@media(max-width:900px){:root{--sidebar: 190px}.brand{font-size:14px;gap:6px;padding:16px 10px 6px}.brand small{font-size:8px;letter-spacing:.5px}.library-actions{padding:0 10px 14px}.search-wrap{margin:0 10px}.section-label{padding:18px 12px 14px}.song-card{gap:7px;padding:7px 5px}.thumb{width:32px;height:32px}.difficulty-bar{padding:12px}.song-meta{display:none}.scene-top{gap:10px}.scene-song{max-width:calc(100% - 130px);padding:10px}.songbar{gap:8px}.song-cover{display:none}.song-info h1{font-size:14px}.header-actions{gap:4px}.header-actions button{padding:7px}.scene-camera{top:116px}.preview-hud{top:208px}.inspector-panel{top:262px;max-height:calc(100% - 362px);width:280px}.transport{gap:7px;left:10px;right:10px}#toggle-timeline span{display:inline}.transport-buttons{gap:0}.transport-time{min-width:85px}.transport-time strong{font-size:13px}.timeline-panel{right:18px}.timeline-open .inspector-panel{top:82px;max-height:max(90px,calc(100% - var(--timeline-height) - 224px))}.timeline-options{gap:7px}.timeline-options label:nth-of-type(2),.timeline-title .badge{display:none}.timeline-hint span:first-child{display:none}.shortcut-list{grid-template-columns:1fr}}@media(prefers-reduced-motion:reduce){.timeline-panel{transition:none}}.preview-viewport #preview:focus{outline:none}.scene-camera .scene-depth{display:flex;align-items:center;gap:10px;font-size:10px;color:#9cbab2;padding:8px 10px;background:var(--glass);border:1px solid #3c57535c;border-radius:7px}.scene-depth input{width:125px}.scene-depth output{min-width:38px;color:#c2e4d7;font:10px Consolas,monospace}.legend-dot.pink{background:#ff1744}.legend-dot.blue{background:#1261ff}.preview-hud{top:280px}.mirror-controls{padding:10px 16px 0}.mirror-controls label{display:flex;align-items:center;gap:9px;font-size:10px;color:#9fb8b0}.mirror-controls select{padding:5px 7px;flex:1;font-size:10px}.shift-held [data-tool=draw],.shift-held #add-at-beat,.shift-held #hold-add{opacity:.4;cursor:not-allowed}@media(max-width:900px){.preview-hud{top:264px}}.scene-camera{gap:9px}.scene-camera .scene-snap{padding:10px;gap:9px;background:#234137ee;border-color:#86d3af;box-shadow:0 0 0 1px #86d3af20}.scene-snap>label:first-child{font-size:11px;font-weight:700;color:#caf8e4}.scene-snap select{width:84px;padding:6px;font-size:11px}.snap-custom{display:flex;align-items:center;gap:4px;color:#b5d5c6;font-size:10px}.snap-custom input{width:70px;padding:6px;font-size:11px}.scene-camera .scene-depth{width:305px;box-sizing:border-box;gap:9px}.scene-depth input{flex:1;min-width:40px;width:110px}.scene-depth output{min-width:55px;text-align:right}.preview-hud{top:360px}.mirror-controls{display:flex;gap:6px}.mirror-controls button{flex:1;padding:7px 3px;font-size:10px;color:#bfe7d5}.edit-actions{grid-template-columns:repeat(5,1fr)}#toggle-timeline.timeline-toggle{position:absolute;z-index:6;left:50%;transform:translate(-50%);bottom:86px;height:30px;padding:6px 18px;border:1px solid #57796a;background:#1a3028f5;box-shadow:0 3px 16px #0005}.transport{gap:14px}.transport>#seek{flex:1;min-width:60px}.speed-label{display:flex;align-items:center;gap:6px;color:#b8d6c6;font-size:10px;white-space:nowrap}.speed-label input{width:88px}.speed-label output{width:36px;font:10px Consolas,monospace}.metronome-control{display:flex;align-items:center;gap:5px}.metronome-control input{width:64px}.metronome-control button{padding:6px}.transport .volume-label{display:flex}.volume-label input{width:64px}@media(max-width:1100px){.transport{gap:8px;padding:0 8px}.speed-label input{width:58px}.metronome-control input,.volume-label input{width:42px}}@media(max-width:900px){.preview-hud{top:344px}.transport{height:88px;flex-wrap:wrap;justify-content:center;gap:6px 10px;padding:8px}.transport>#seek{flex-basis:calc(100% - 220px)}#toggle-timeline.timeline-toggle{bottom:112px}.timeline-panel{bottom:150px}.timeline-open .preview-viewport{bottom:calc(var(--timeline-height) + 150px)}}.metronome-control button[aria-pressed=true]{color:var(--mint);background:#2b4237;border-color:#78b79a}@media(max-height:850px){:root{--timeline-height: clamp(180px, 32vh, 290px)}.timeline-open .scene-camera{top:120px;gap:5px}.timeline-open .scene-camera>span,.timeline-open .preview-hud{display:none}.timeline-open .scene-camera .scene-snap{padding:6px 10px}.timeline-open .scene-camera .scene-depth{padding:5px 10px}}.kind-tabs{padding-top:12px;gap:20px}.kind-tabs button{font-size:12px;padding:10px 0}.mirror-controls{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:7px}.mirror-controls button{aspect-ratio:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;padding:5px;background:linear-gradient(145deg,#273b40,#19252e);border-color:#405f64}.mirror-controls button:hover{border-color:#8cdec1;background:#2c4548}.mirror-controls svg{width:60px;height:60px}.mirror-controls span{font-size:11px}.quick-add{flex-wrap:wrap}.quick-add button{min-width:100px}.scene-annotations{position:absolute;inset:0;overflow:hidden;pointer-events:none}.scene-annotations>*{position:absolute;transform:translate(-50%,-100%)}.scene-annotations [hidden],.overlap-status[hidden]{display:none}.selection-marker{color:#092f2b;background:#6dffcf;box-shadow:0 0 14px #6dffcf90;width:19px;height:19px;text-align:center;border-radius:50%;font:700 13px/19px sans-serif}#quick-group{pointer-events:auto;background:#aeefd6;color:#143c2c;border-color:#e0fff3;box-shadow:0 4px 18px #0008;font-size:12px;font-weight:600;padding:7px 12px}#quick-group:disabled{background:#354a48;color:#b3c7c0;cursor:not-allowed}.overlap-marker{color:#fff0e2;background:#a6313be8;border:1px solid #ffad8f;border-radius:5px;padding:4px 7px;white-space:nowrap;font-size:10px;box-shadow:0 2px 12px #0008}.overlap-status{position:absolute;top:20px;left:50%;transform:translate(-50%);z-index:7;background:#692c2cf5;border-color:#e87568;color:#ffdec8;font-size:11px;max-width:330px}.overlap-list{display:flex;flex-direction:column;gap:8px;max-height:55vh;overflow:auto}.overlap-list button{text-align:left;color:#ffcbc3}.check-setting{display:flex;align-items:center;gap:10px;padding:16px 0}.check-setting input{width:18px;height:18px;accent-color:var(--mint)}.preview-hud{top:410px}.shift-held #add-foot{opacity:.4;cursor:not-allowed}.snap-custom input{width:58px}@media(max-height:850px){.timeline-open .preview-hud{display:flex;top:318px}.timeline-open .scene-camera .scene-depth{padding:4px 10px}}#group[hidden]{display:none}#delete{display:inline-flex;align-items:center;gap:4px}#delete span{font-size:10px}.mirror-controls button:disabled{opacity:.32;cursor:not-allowed}.scene-song .difficulty-bar{margin:0;padding:0 0 0 14px;border-top:0;border-left:1px solid var(--line);background:transparent;max-height:none;gap:6px;overflow:visible}.scene-song{width:760px;max-width:calc(100% - 344px);display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:14px}.song-details{min-width:0}.song-details .songbar{display:grid;grid-template-columns:40px minmax(0,1fr) auto;gap:8px}.song-details .song-info{grid-column:2}.song-details #settings{grid-column:3;grid-row:1}.song-details .song-meta{grid-column:2 / 4;grid-row:2;margin:0;gap:20px}.song-details .song-meta span{flex-direction:row;align-items:baseline;gap:7px}.inspector-panel,.timeline-open .inspector-panel{max-height:none;z-index:5}#tools-body{flex-shrink:0}.scene-song .difficulty-heading{font-size:10px}.scene-song #difficulties{display:flex;flex-direction:column;gap:5px}.difficulty-group{display:flex;gap:9px;align-items:center}.difficulty-group>span{width:61px;flex-shrink:0;font-size:10px;color:#a1c5b8}.difficulty-group>div{display:flex;flex-wrap:wrap;gap:3px}.difficulty-group .difficulty{padding:4px 6px;font-size:10px}.no-difficulty{color:#617b75;font-size:10px}.scene-song #source-path{font-size:9px}.scene-song #add-difficulty{padding:0;font-size:10px}.song-info,.song-meta,#project-title,#source-path,.song-card-info{-webkit-user-select:text;user-select:text;cursor:text}.song-card img,.song-cover img{-webkit-user-drag:none}.settings-opacity{display:flex;align-items:center;gap:12px;margin:16px 0;font-size:12px}.settings-opacity input{flex:1}.seek-wrap{flex:1;min-width:60px;position:relative;display:flex;align-items:center}.seek-wrap #seek{width:100%;margin:0}.seek-bookmarks{position:absolute;top:-18px;left:7px;right:7px;height:15px;pointer-events:none}.seek-bookmark{position:absolute;transform:translate(-50%);pointer-events:auto;background:transparent;border:0;color:#efc56c;padding:0 2px;font-size:11px;height:16px;line-height:16px}.speed-control{position:relative;flex-shrink:0}#speed-reset{position:absolute;right:0;bottom:calc(100% + 25px);background:#203d32;border-color:#57796a;box-shadow:0 3px 12px #0005;padding:4px 6px;font-size:10px;color:#b3f4d9;white-space:nowrap}#speed-reset[hidden],#join-group[hidden]{display:none}#quick-join-group{pointer-events:auto;background:#244c43;color:#c3ffdf;border-color:#77b79e;padding:6px 12px;font-size:12px}.light-editor{display:flex;flex-direction:column;gap:10px;margin:8px 0}.light-editor label{display:flex;justify-content:space-between;align-items:center;gap:8px;font-size:11px;color:#a1bbac}.light-editor select{max-width:190px;font-size:11px}.light-editor>div{display:flex;gap:8px}.light-editor button{font-size:11px}.light-editor small{color:#839d91;font-size:10px;line-height:1.6}@media(max-width:900px){.transport .seek-wrap{flex-basis:calc(100% - 220px)}.scene-song{max-width:calc(100% - 130px)}.song-details .songbar{grid-template-columns:minmax(0,1fr) auto}.song-details .song-info{grid-column:1}.song-details #settings{grid-column:2}}@media(max-height:850px){.timeline-open .scene-song{padding:8px 12px}.timeline-open .scene-status,.timeline-open .difficulty-heading,.timeline-open #source-path{display:none}.timeline-open .scene-song .difficulty-bar,.timeline-open .scene-song #difficulties{gap:3px}.timeline-open .difficulty-group .difficulty{padding:2px 5px}.empty-selection{padding:4px 0}.empty-selection .empty-icon{display:none}.empty-selection p{margin:4px 0;line-height:1.5}.kind-tabs{padding-top:6px}.kind-tabs button{padding:7px 0}#inspector{padding-top:10px}.light-editor{gap:7px}.field-help{margin:8px 0}.mirror-controls{padding-top:7px}.mirror-controls button{max-height:78px}.mirror-controls svg{width:50px;height:50px}}.view-defaults{display:grid;grid-template-columns:1fr 1fr;gap:16px}.view-defaults label{display:flex;flex-direction:column;gap:8px;color:#bad4c9}#fill[hidden],.fill-panel[hidden]{display:none}#fill{color:#c9bcff}.fill-panel{position:absolute;z-index:6;bottom:132px;left:50%;transform:translate(-50%);width:380px;max-width:calc(100% - 36px);padding:12px;border:1px solid #7769a3;border-radius:10px;background:#202732f5;box-shadow:0 8px 35px #0007;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.fill-heading{display:flex;align-items:center;gap:10px;margin-bottom:10px}.fill-heading strong{font-size:12px;color:#e2d4ff}.fill-heading span{flex:1;color:#a9b6c8;font-size:10px}.fill-heading button{padding:4px 8px;font-size:10px}.fill-directions{display:flex;gap:8px;margin-bottom:10px}.fill-directions button{flex:1;padding:6px}.fill-directions button.active{border-color:#ab91ef;color:#e3d3ff;background:#413556}.fill-density{display:flex;gap:6px;align-items:center}.fill-density select{flex:1;width:0;padding:6px;font-size:10px}.fill-density button{padding:6px;font-size:10px;white-space:nowrap}.fill-panel button:disabled{opacity:.35;cursor:not-allowed}.fill-result{color:#c5e9d6;font-size:11px;margin:10px 0 6px}.fill-hint{color:#98a6b9;font-size:10px;line-height:1.7;margin:0}#workspace-folder{padding:4px 6px;font-size:10px;letter-spacing:0;background:transparent;color:#9fbbb1}#workspace-folder svg{width:13px;height:13px}.difficulty-empty{color:#70817e;border:1px dashed #3c4b49;background:#1a2529}.difficulty-empty:hover{color:#c4e4d6;border-color:#7daa98}.difficulty-empty b{color:#98aeaa;font-size:11px}.difficulty-group .difficulty{gap:2px}.tutorial-question{border:1px solid currentColor;border-radius:50%;width:15px;height:15px;line-height:13px;text-align:center;font-size:11px}.header-actions button{padding-left:7px;padding-right:7px}@media(max-width:1500px){.header-actions #export span,.header-actions #save span{display:none}}.header-actions #tutorial span,.header-actions #help span{display:inline}.note-opacity-settings{border:1px solid #3e5550;border-radius:8px;padding:0 14px;margin:18px 0 8px}.note-opacity-settings legend{color:#b6d9c9;padding:0 6px}.note-opacity-settings .check-setting{padding:8px 0 0}.settings-opacity output{min-width:38px;text-align:right}#quick-fill{pointer-events:auto;background:#413253;border-color:#b19bd0;color:#eedcff;box-shadow:0 4px 18px #0008;padding:7px 12px;font-size:12px;font-weight:600}#fill-cancel{color:#bdc9d6}dialog.tutorial-dialog{width:min(960px,calc(100vw - var(--sidebar) - 40px));margin-left:calc(var(--sidebar) + (100vw - var(--sidebar) - min(960px,100vw - var(--sidebar) - 40px)) / 2);max-height:calc(100vh - 40px);padding:20px}.tutorial-layout{display:grid;grid-template-columns:174px minmax(0,1fr);gap:20px}.tutorial-layout nav{display:flex;flex-direction:column;gap:6px;align-self:start}.tutorial-layout nav button{justify-content:flex-start;text-align:left;font-size:11px;padding:9px 7px;line-height:1.5}.tutorial-layout nav b{width:18px;color:#9dc9b9}.tutorial-article{min-width:0;max-height:calc(100vh - 220px);overflow-y:auto;padding-right:8px;scrollbar-width:thin}.tutorial-article h3{margin:0 0 12px;color:#d7f3e6;font-size:19px}.tutorial-article figure{margin:0 0 14px}.tutorial-article img{display:block;width:100%;border-radius:10px;border:1px solid #36534b}.tutorial-article figcaption{font-size:10px;color:#7e9b91;margin-top:6px;line-height:1.7}.tutorial-article p,.tutorial-article li{font-size:12px;line-height:1.9;color:#adbec1}.tutorial-article b{color:#d5eee4}.tutorial-article ul,.tutorial-article ol{padding-left:22px}.tutorial-article li{margin-bottom:7px}.tutorial-tip{padding:10px 12px;border-left:3px solid #79b69e;background:#1c302c;border-radius:4px}.tutorial-footer{display:flex;align-items:center;gap:8px;margin-top:16px;padding-top:12px;border-top:1px solid #33483f}.tutorial-footer span{flex:1;color:#87a99b}.tutorial-footer button:disabled{opacity:.3;cursor:not-allowed}@media(max-width:1000px){.tutorial-layout{grid-template-columns:1fr}.tutorial-layout nav{flex-direction:row;flex-wrap:wrap;gap:4px}.tutorial-layout nav button{font-size:10px;padding:5px}.tutorial-article{max-height:calc(100vh - 330px)}}.workspace-access{display:flex;align-items:center;gap:6px;padding:0 18px 12px;font-size:11px;color:var(--muted)}.workspace-access span{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.workspace-access button{padding:5px 7px;font-size:11px}.section-label #workspace-folder{font-size:10px;gap:4px}.workspace-access [hidden]{display:none}