:root{color-scheme:dark;--bg:#121315;--panel:#1a1b1e;--border:#2d2e32;--text:#eeeae1;--muted:#929299;--accent:#decfb3}*{box-sizing:border-box}body{margin:0;background:var(--bg);font:14px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif;color:var(--text)}button,input,select{font:inherit}button{cursor:pointer;color:inherit;border:1px solid var(--border);background:transparent;transition:.2s}button:hover{border-color:#877e6d;background:#ffffff07}button:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--accent);outline-offset:4px}header{height:86px;display:flex;align-items:center;padding:0 4vw;border-bottom:1px solid var(--border);gap:24px}.brand{display:flex;align-items:center;gap:12px;color:inherit;text-decoration:none}.brand svg{width:34px;fill:var(--accent)}.brand strong{font-size:24px;font-weight:500;letter-spacing:3px}.brand span{font-size:10px;letter-spacing:2px;border-left:1px solid var(--border);padding-left:15px;color:var(--muted)}.header-note{margin-left:auto;color:var(--muted);font-size:12px}.quiet{padding:8px 13px;border-radius:6px;font-size:12px}main{display:grid;grid-template-columns:320px minmax(330px,1fr) 270px;max-width:1600px;margin:auto;min-height:calc(100vh - 144px)}.controls{padding:32px 28px;border-right:1px solid var(--border)}.eyebrow{font-size:9px;letter-spacing:2px;color:var(--muted)}h1{font-size:27px;line-height:1.5;font-weight:500;letter-spacing:1px;margin:12px 0}p{color:var(--muted);font-size:12px}.intro p{margin:0 0 28px}section{margin-top:24px}.section-title{display:flex;align-items:center;justify-content:space-between;margin-bottom:13px}.section-title h2{font-size:13px;font-weight:500;margin:0}.section-title b{font-size:10px;color:var(--muted);font-weight:400;margin-right:8px}.section-title>span{font-size:9px;letter-spacing:1.5px;color:#62646b}.style-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.style{text-align:left;padding:9px;border-radius:9px;background:var(--panel)}.style.active{border-color:var(--accent)}.style strong{font-size:12px;display:block;margin-top:7px;font-weight:500}.style small{font-size:9px;color:var(--muted)}.style-art{height:64px;display:block;border-radius:5px;overflow:hidden}.chrome{background:repeating-radial-gradient(ellipse at 90% 110%,#080a0d 0%,#272b33 12%,#adb4bd 19%,#fff 20%,#30353e 22%,#080a0d 35%)}.aura{background:radial-gradient(ellipse at 60% 50%,#293769 24%,#59b8d1 36%,#8771d7 46%,#171c32 70%)}.presets{display:flex;gap:8px;margin-bottom:14px}.preset{border-radius:50%;width:30px;height:30px;padding:0;background:var(--swatch);border:3px solid var(--panel)}.preset.active{outline:1px solid var(--accent);outline-offset:3px}.color-row{display:flex;gap:9px}.color-row label{background:var(--panel);border:1px solid var(--border);padding:7px 9px;border-radius:6px;flex:1;font-size:10px;color:var(--muted);display:flex;align-items:center;justify-content:space-between;gap:5px}input[type=color]{width:22px;height:22px;padding:0;border:0;background:none;cursor:pointer}input[type=color]::-webkit-color-swatch-wrapper{padding:0}input[type=color]::-webkit-color-swatch{border-radius:4px;border:0}.segmented{background:var(--panel);padding:4px;border-radius:7px;display:flex;margin-bottom:17px}.segmented button{flex:1;border:0;border-radius:4px;padding:5px;font-size:11px;color:var(--muted)}.segmented .active{background:#373638;color:var(--text)}.slider-row{margin:13px 0}.slider-label{display:flex;justify-content:space-between;font-size:11px;margin-bottom:6px}.slider-label output{color:var(--muted);font-variant-numeric:tabular-nums}input[type=range]{width:100%;height:3px;accent-color:var(--accent);cursor:pointer;display:block;margin:9px 0 15px}.random{width:100%;border-radius:6px;padding:9px;font-size:12px}.workspace{padding:32px 38px 20px;background:radial-gradient(ellipse at center,#25262b55,transparent 65%);min-width:0}.preview-head{display:flex;align-items:center;justify-content:space-between}.preview-head h2{font-size:20px;font-weight:400;margin:3px 0}.size-chip{font-size:10px;letter-spacing:1px;color:var(--muted);border:1px solid var(--border);padding:5px 9px;border-radius:30px}.stage{min-height:600px;display:flex;align-items:center;justify-content:center;flex-direction:column;padding:24px 0 12px}.phone{position:relative;width:256px;aspect-ratio:1440/3200;border-radius:32px;overflow:hidden;border:6px solid #303136;box-shadow:0 28px 70px #0009,0 0 0 1px #55565b}canvas{display:block;width:100%;height:100%;background:black}.lock{position:absolute;top:10%;left:0;right:0;text-align:center;color:#f4f1e9;text-shadow:0 2px 20px #0006;pointer-events:none}.lock div{font-size:11px}.lock strong{display:block;font-size:58px;font-weight:300;letter-spacing:-2px;line-height:1.3}.lock small{font-size:8px;letter-spacing:2px;color:#eee8}.home-bar{position:absolute;bottom:9px;left:35%;width:30%;height:3px;border-radius:10px;background:#fff9}.stage-label{text-align:center;font-size:11px;color:#aca9a3;margin-top:20px}.stage-label span{display:block;font-size:9px;color:#676970;margin-top:4px}.preview-actions{display:flex;align-items:center;gap:20px;max-width:480px;margin:12px auto 0}.toggle{display:flex;align-items:center;gap:5px;font-size:11px;color:var(--muted);cursor:pointer}.toggle input{accent-color:var(--accent)}#seedLabel{margin-left:auto;color:#62646b;font-size:10px}.export-panel{padding:40px 27px;border-left:1px solid var(--border);display:flex;flex-direction:column}.export-panel h2{font-size:25px;line-height:1.55;font-weight:400;margin:14px 0}.export-panel p{line-height:1.9}.export-fields{margin-top:28px}.export-fields label{display:block;font-size:11px;margin-bottom:25px}select,input[type=number]{width:100%;margin-top:10px;padding:11px 7px;border:1px solid var(--border);border-radius:6px;background:var(--panel);color:var(--text);font-size:11px}.field-help{color:#696b73;font-size:10px}.export-bottom{margin-top:auto;padding-top:36px}.format-line{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}.format-line strong{font-size:11px;font-weight:500;letter-spacing:1px}.format-line span{font-size:9px;color:var(--muted)}.primary{background:var(--accent);color:#27241d;width:100%;border:0;border-radius:7px;font-size:13px;display:flex;justify-content:center;align-items:center;gap:16px;padding:13px}.primary:hover{background:#eee2cb}.primary:disabled{opacity:.5;cursor:wait}.primary svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:1.3}.export-bottom p{text-align:center;font-size:10px}footer{border-top:1px solid var(--border);display:flex;justify-content:space-between;gap:10px;padding:18px 4vw;font-size:9px;color:#63656d;letter-spacing:1px}#toast{position:fixed;bottom:30px;left:50%;transform:translate(-50%,20px);background:#ede2cc;color:#25211b;padding:12px 22px;border-radius:8px;opacity:0;pointer-events:none;transition:.2s;z-index:20}#toast.show{opacity:1;transform:translate(-50%,0)}[hidden]{display:none!important}@media(min-width:1500px){main{grid-template-columns:350px 1fr 300px}.phone{width:285px}.stage{min-height:690px}}@media(max-width:1050px){main{grid-template-columns:290px 1fr}.export-panel{grid-column:1/-1;border-top:1px solid var(--border);border-left:0;display:grid;grid-template-columns:1fr 1.2fr 1fr;gap:25px;padding:24px}.export-panel>.eyebrow{display:none}.export-panel h2{margin:0;font-size:20px}.export-panel>p{display:none}.export-fields{margin:0}.export-bottom{padding:0;margin:0}.stage{min-height:570px}.workspace{padding:25px}}@media(max-width:660px){header{height:66px;padding:0 20px}.brand span,.header-note{display:none}header>.quiet{margin-left:auto}main{display:flex;flex-direction:column}.workspace{order:-1;padding:20px}.phone{width:220px}.stage{min-height:0;padding-top:20px}.preview-actions{max-width:340px}.controls{border:0;border-top:1px solid var(--border);padding:26px 24px}.intro h1 br{display:none}.intro h1{font-size:22px}.intro .eyebrow{display:none}.style-art{height:80px}.export-panel{display:block}.export-fields{margin-top:24px}.export-panel h2 br{display:none}footer{padding:16px 22px}footer span:nth-child(2){display:none}.stage-label{margin-top:14px}}

.style-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:7px}.style{padding:7px}.style small{font-size:9px}.style-art{height:58px}.glass{background:radial-gradient(ellipse at 40% 20%,#e8f8ff88 0%,transparent 20%),radial-gradient(ellipse at 55% 65%,#92d8e433 30%,#c7e4fa 34%,#40526566 38%,#0b1118 54%)}.motion-label{font-size:11px;color:var(--muted)}#motion{margin:7px 0 5px}button.active{position:relative}.export-panel{position:relative}.export-bottom{position:static}@media(max-width:660px){.style-art{height:76px}.style small{font-size:9px}}
.brand strong{font-size:20px;letter-spacing:1px}.intro h1{font-size:23px}.kaleido{background:repeating-conic-gradient(from 20deg,#0a162b 0deg 20deg,#189cad 20deg 30deg,#ed969b 30deg 40deg,#182f49 40deg 60deg)}.two-fields{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:12px 0}.two-fields label,.field-label,.video-fields>label{display:block;font-size:11px;color:var(--muted)}.state-heading{display:flex;align-items:center;justify-content:space-between;margin:14px 0}.state-heading strong{font-weight:500}.field-label{margin:15px 0}.video-fields{border-top:1px solid var(--border);margin-top:24px;padding-top:22px}.video-fields>label{margin:12px 0}.video-fields .toggle{font-size:10px}#videoProgressWrap{display:grid;gap:10px;margin:12px 0}progress{width:100%;height:5px;accent-color:var(--accent)}#videoStatus{font-size:10px;color:var(--muted)}#exportedVideo{width:100%;max-height:260px;margin-top:15px;border-radius:8px}#videoDownload{display:block;text-align:center;color:var(--accent);font-size:12px;padding:8px}button:disabled,input:disabled,select:disabled{opacity:.55;cursor:default}.phone{position:relative} .export-panel{padding-top:32px}.export-bottom{padding-top:20px}.export-panel h2{font-size:22px}.export-fields{margin-top:15px}@media(max-width:660px){.brand strong{font-size:17px}header{gap:10px}.brand svg{width:26px}.brand{gap:6px}.controls .intro{display:none}.export-panel{padding:24px}.export-bottom{margin-top:20px}}@media(min-width:1051px){.workspace{position:sticky;top:0;align-self:start}}
.grating{background:repeating-linear-gradient(90deg,#061137 0px,#205aa0 7px,#102751 10px,#050a20 12px),linear-gradient(30deg,#41ceff,transparent)}header{height:auto;min-height:86px;flex-wrap:wrap;padding-top:14px;padding-bottom:14px;gap:12px}.header-note{font-size:11px}.grating-panel{padding-top:12px}.bezier-fields{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:6px;font-size:10px}.bezier-fields input{padding:8px 3px}.lamp-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:14px 0}.lamp-meta>label{font-size:11px}.lamp-meta input[type=color]{margin-left:8px}#gratingPanel .section-title{margin-top:22px}.controls section{scroll-margin-top:20px}@media(max-width:660px){header{padding:12px 16px;gap:8px}.brand{width:100%}header>.quiet{margin:0;font-size:10px;padding:6px 9px}}
 .lamp-editor{position:absolute;inset:-22%;width:144%;height:144%;z-index:4;overflow:visible;pointer-events:none}.lamp-editor .lamp-hit{stroke-width:1.8;opacity:.5;pointer-events:stroke;cursor:move}.lamp-editor .lamp-center{fill:#fff;stroke:#111;stroke-width:.7;pointer-events:all;cursor:move}.lamp-editor .lamp-handle{fill:var(--accent);stroke:#111;stroke-width:.7;pointer-events:all;cursor:crosshair}.lamp-editor g:not(.selected){opacity:.32}.lamp-editor g.selected .lamp-hit{stroke-width:2.8;opacity:.9}.lamp-editor g.selected .lamp-handle{r:3.4}@media(max-width:660px){.lamp-editor{inset:-28%;width:156%;height:156%}}
 .phone{overflow:visible}.phone canvas{border-radius:26px}

.softglass{background:radial-gradient(ellipse at 45% 46%,#fff0bb,transparent 60%),linear-gradient(145deg,#b6733b 15%,#fff0bb 57%,#633320 58%,#25100b)}

.orb-art{background:radial-gradient(circle at 30% 70%,#0a051b 20%,#5f28ae 40%,#ceacff 42%,#160a2d 45%,#05040a 70%)}#orbEditor{position:absolute;inset:0;width:100%;height:100%;overflow:visible;pointer-events:none;z-index:8}#orbEditor [data-action]{pointer-events:all;cursor:grab;touch-action:none}#orbPanel details{margin:18px 0;border-top:1px solid var(--border);padding-top:12px}#orbPanel summary{cursor:pointer;color:var(--accent);font-size:14px}#orbPanel .toggle{display:block;font-size:14px;margin:12px 0}

.water-art{background:radial-gradient(ellipse at 70% 20%,#f8fafc 10%,#395760 22%,#b4ced3 28%,transparent 36%),radial-gradient(ellipse at 20% 80%,#eaf3f5 14%,#1c3038 26%,#a4c3ce 33%,transparent 40%),#dae7eb!important;}
.live-render-info{margin:0 auto 16px;max-width:440px;text-align:center;font-size:13px;line-height:1.6;color:var(--accent)}.live-render-info small{display:block;color:#92959a;font-size:11px;overflow-wrap:anywhere}.live-render-info [data-error=true]{color:#ff978b}.gpu-panel{margin:24px 0;padding:18px 0;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}.gpu-panel h3{font-size:16px;margin:0 0 10px}.gpu-panel p{font-size:13px;line-height:1.7}.gpu-panel .two-fields{margin:14px 0;gap:10px}.gpu-panel button{font-size:13px;padding:12px 8px}.gpu-panel select{width:100%}.gpu-panel progress{width:100%;accent-color:var(--accent)}#gpuImage,#gpuVideo{display:block;width:100%;max-height:440px;object-fit:contain;border-radius:12px;margin:12px 0}#gpuResult a{display:block;color:var(--accent);font-size:14px;margin:12px 0}
@media(min-width:1051px){.workspace{top:min(0px,calc(100dvh - 900px));}}

.gpu-queue-open{position:fixed;right:24px;bottom:22px;z-index:30;box-shadow:0 6px 28px #0008;width:auto;padding:14px 22px}
.gpu-dialog{background:#17191e;color:#eee;border:1px solid #41434b;border-radius:20px;width:min(840px,94vw);max-height:85vh;padding:26px;box-sizing:border-box;box-shadow:0 20px 90px #0008}.gpu-dialog::backdrop{background:#0009;backdrop-filter:blur(5px)}.gpu-dialog-head{display:flex;align-items:center;justify-content:space-between;gap:16px}.gpu-dialog h2{margin:8px 0}.gpu-dialog-head button{width:auto}.gpu-filters{display:flex;gap:8px;flex-wrap:wrap;margin:20px 0}.gpu-filters button{background:#252831;color:#b7bac6;border:1px solid #393d47;border-radius:9px;padding:9px 12px;cursor:pointer}.gpu-filters button.active{background:#ddceb1;color:#18191c}.gpu-job{display:flex;gap:18px;background:#20232a;border:1px solid #353943;border-radius:13px;padding:16px;margin:12px 0}.gpu-job>img{width:68px;height:140px;object-fit:cover;border-radius:7px}.gpu-job-body{flex:1;min-width:0}.gpu-job small{display:block;color:#a2a7b4;margin-top:8px;font-size:11px}.gpu-job-status{font-size:13px;color:#ddceb1;margin:12px 0}.gpu-job progress{width:100%;accent-color:#ddceb1}.gpu-job-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.gpu-job-actions button{width:auto;padding:8px 12px;font-size:12px}.gpu-empty{text-align:center;padding:50px;color:#a2a7b4}.gpu-preview{width:min(600px,94vw)}#gpuPreviewMedia img,#gpuPreviewMedia video{display:block;max-height:65vh;max-width:100%;margin:16px auto;object-fit:contain}.gpu-dialog .field-help{color:#a2a7b4;line-height:1.7}

.preview-quality{display:flex;gap:12px;align-items:end;flex-wrap:wrap;margin-top:18px;font-size:13px;color:var(--muted)}.preview-quality label{display:flex;flex-direction:column;gap:6px}.preview-quality select{font-size:13px;padding:8px;max-width:270px}.preview-quality span{padding:9px 0}.preview-quality{justify-content:center}

/* Desktop workstation: each column owns its scrolling and never chains it. */
@media(min-width:1051px){
 html,body{height:100%;}
 body{height:100dvh;display:grid;grid-template-rows:auto minmax(0,1fr) auto;overflow:hidden;}
 main{width:100%;height:100%;min-height:0;overflow:hidden;}
 main>.controls,main>.workspace,main>.export-panel{min-height:0;height:100%;overflow-y:auto;overscroll-behavior-y:contain;scrollbar-gutter:stable;scrollbar-width:thin;scrollbar-color:#55565b transparent;}
 main>.workspace{position:static;align-self:stretch;}
 main>.controls:focus-visible,main>.workspace:focus-visible,main>.export-panel:focus-visible{outline:1px solid var(--accent);outline-offset:-2px;}
}

.studio-heading{display:flex;align-items:center;justify-content:space-between;gap:8px;margin:18px 0 10px}.studio-heading button{padding:7px 10px;font-size:11px;width:auto}.studio-tree{display:grid;gap:5px}.studio-node{background:#1a1c20;color:#aeb4bd;border:1px solid #343940;border-radius:6px;text-align:left;padding:10px;cursor:pointer}.studio-node.active{border-color:#ddceb1;color:#ddceb1;background:#292a2d}.studio-fields{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:14px 0}.studio-fields label,#studioInspector>label{font-size:11px;color:#a3a8b1;display:block}.studio-fields input,#studioInspector input{width:100%;box-sizing:border-box;margin:6px 0;padding:9px}.studio-fields input[type=color]{height:36px;padding:4px}.studio-xyz{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:6px;font-size:10px;color:#a3a8b1;margin:8px 0}.studio-xyz input{padding:7px!important}.studio-gradient-strip{height:28px;border-radius:6px;margin:14px 0 8px}.studio-stop{display:grid;grid-template-columns:1fr 1fr 30px;gap:8px;align-items:center;font-size:10px;color:#a3a8b1}.studio-stop input[type=color]{height:33px;padding:3px!important}.studio-stop button{padding:7px}.studio-gradient-editor{border:1px solid #333941;border-radius:8px;padding:10px;margin:12px 0}.studio-gradient-editor>button{font-size:11px;width:100%;padding:8px}.studio-toolbar{display:flex;gap:8px;flex-wrap:wrap;margin:12px 0 18px}.studio-toolbar button{width:auto;padding:9px 12px;font-size:12px}.studio-toolbar button.active{color:#eee0c3;border-color:#ddceb1}.studio-toolbar span{display:flex;gap:5px;flex-wrap:wrap}#studioViewport canvas{width:100%;height:min(65vh,650px);display:block;border:1px solid #343a44;border-radius:12px;touch-action:none}#studioViewport .field-help{text-align:center}#studioPanel details{margin:16px 0;padding:12px 0;border-top:1px solid #333941}#studioPanel summary{font-size:13px;color:#ddceb1;cursor:pointer}.studio-fields .toggle{grid-column:1/-1;display:flex;align-items:center;gap:8px}.studio-fields .toggle input{width:auto}
.studio-node.primary{box-shadow:inset 3px 0 #ddceb1}.studio-align-buttons{display:grid;grid-template-columns:repeat(3,1fr);gap:5px;margin:10px 0}#studioAlignment{padding:12px 0;border-bottom:1px solid var(--border)}#studioAlignment label{display:block;font-size:11px;color:var(--muted)}#studioAlignment input,#studioAlignment select{width:100%;margin:7px 0;padding:8px}#studioAlignment .two-fields{align-items:end}#studioCameraPane{margin:0 0 24px;border-bottom:1px solid var(--border);padding-bottom:16px}#studioCameraPane .stage{padding:0;min-height:0;display:block}#studioCameraPane .phone{width:100%;max-width:240px;margin:auto;padding:6px;border-radius:25px}#studioCameraPane .phone canvas{border-radius:20px}#studioCameraPane .stage-label{font-size:10px;margin:12px 0 0}#studioCameraPane .stage-label span{display:none}#studioCameraPane .lock strong{font-size:38px}#studioCameraPane .lock small{font-size:9px}
#orbSurfacePanel,#classicLayerPanel{margin:18px 0;border-top:1px solid #333941;padding-top:14px}#orbSurfacePanel summary,#classicLayerPanel summary{font-size:13px;color:#ddceb1;cursor:pointer}#orbSurfaceFields>.studio-gradient-editor,#orbSurfaceFields>.field-help,#classicLayerFields>.field-help{grid-column:1/-1}

#studioTimeline{border-block:1px solid var(--border);padding:12px 0;margin:18px 0}#studioTimeline label{font-size:11px;color:var(--muted);display:block;margin:8px 0}#studioTimeline select,#studioTimeline input{width:100%;margin-top:6px}#studioTimeline .segmented{display:flex;margin:14px 0}#studioTimeline .segmented button{flex:1;font-size:11px;padding:9px 5px}#studioTimeline .segmented .active{background:#45413b;color:#efe2c7}#studioSelectCamera{width:100%;margin-top:12px;border-color:#88545b}#studioSelectCamera.active{border-color:#ff5966}#studioInspector .studio-fields input:disabled{opacity:.45}#colorWorkspace{padding-bottom:24px;margin:18px 0 24px;border-bottom:1px solid var(--border)}#colorWorkspace label{display:block;font-size:11px;color:var(--muted);margin:10px 0}#colorWorkspace input,#colorWorkspace select{width:100%;box-sizing:border-box;margin-top:6px}#colorSV{height:155px;position:relative;background-image:linear-gradient(to top,#000,transparent),linear-gradient(to right,#fff,transparent);border-radius:7px;touch-action:none;cursor:crosshair}#colorPin{position:absolute;width:12px;height:12px;border:2px solid white;border-radius:50%;transform:translate(-50%,-50%);box-shadow:0 0 2px #000;pointer-events:none}#colorHue{accent-color:#bb8bed}#colorTarget{min-height:30px;color:#e5d5b3}#referenceCanvas{width:100%;height:auto;max-height:480px;object-fit:contain;cursor:crosshair;display:block;border-radius:6px}#referenceCanvas[hidden]{display:none}.reference-upload{padding:10px;border:1px dashed #515861;border-radius:6px}.reference-upload input{font-size:10px}.color-swatches{display:flex;gap:5px;flex-wrap:wrap;margin:10px 0}.color-swatch{width:26px;height:26px;border:1px solid #ffffff40;border-radius:5px;padding:0}.studio-gradient-strip{position:relative;overflow:visible;margin-bottom:18px}.gradient-handle{position:absolute;top:100%;width:12px;height:15px;transform:translate(-50%,-5px);padding:0!important;border:2px solid #eee;border-radius:3px;cursor:ew-resize;touch-action:none;box-shadow:0 1px 4px #0008}#studioTimeline output{float:right}
#studioPanel .studio-surface-color{border:1px solid #3a4048;border-radius:10px;padding:12px;margin:14px 0;background:#15171a}
#studioPanel .studio-sphere-color{border-color:#665d4d;background:linear-gradient(135deg,#17191d,#1e2024)}
.studio-sphere-preview{width:min(100%,220px);aspect-ratio:1;margin:14px auto;border-radius:50%;background:radial-gradient(circle at 50% 50%,#27313b 0 34%,#1d252d 72%,#101317 100%);border:1px solid #68727d;box-shadow:inset 0 0 28px #000b,0 5px 16px #0008;position:relative;cursor:crosshair;overflow:hidden}
.studio-sphere-preview::after{content:'点击球面添加颜色';position:absolute;inset:0;display:grid;place-items:center;color:#d8dde3aa;font-size:11px;pointer-events:none}
.studio-sphere-marker{position:absolute;width:14px;height:14px;transform:translate(-50%,-50%);border-radius:50%;border:2px solid #fff;box-shadow:0 0 0 2px #0008,0 0 12px currentColor;z-index:1;pointer-events:none}
.studio-surface-color>.studio-heading{margin:0 0 5px}
.studio-optics{display:grid;gap:7px;margin:12px 0;padding:10px;border:1px solid #333941;border-radius:8px}
.studio-optics>label{display:block;font-size:11px;color:#a3a8b1}
.studio-optics select{width:100%;margin-top:6px}
.studio-optics .studio-level{justify-content:space-between}
.studio-optics .studio-level select{width:auto;flex:1;max-width:198px;margin:0}
.studio-sphere-gradient{display:none}.studio-sphere-gradient.is-open{display:block}
#colorHue,#colorAlpha{appearance:none;-webkit-appearance:none;height:18px!important;border:1px solid #ffffff20;border-radius:20px;padding:0!important;cursor:pointer}#colorHue{background:linear-gradient(90deg,#f00,#ff0,#0f0,#0ff,#00f,#f0f,#f00)!important}#colorAlpha{background:linear-gradient(90deg,transparent,var(--picked-color,#fff)),repeating-conic-gradient(#777 0% 25%,#444 0% 50%) 0/12px 12px!important}#colorHue::-webkit-slider-thumb,#colorAlpha::-webkit-slider-thumb{appearance:none;width:21px;height:21px;border:3px solid white;border-radius:50%;background:transparent;box-shadow:0 1px 4px #0008}#colorAlpha:disabled{opacity:.35;cursor:default}#colorAlphaValue{float:right}.surface-stage{position:relative}.surface-outline{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;overflow:visible}.surface-outline ellipse{fill:none;stroke:white;stroke-width:1.5;stroke-dasharray:5 4;vector-effect:non-scaling-stroke}.surface-handle{position:absolute;width:15px;height:15px;padding:0;border:2px solid white;background:#448fe0;border-radius:2px;transform:translate(-50%,-50%);cursor:nwse-resize;touch-action:none}.surface-handle.rotate{border-radius:50%;background:#e4c49d;cursor:grab}.surface-properties{display:flex;align-items:end;flex-wrap:wrap;gap:10px;margin:12px 0}.surface-properties label{font-size:11px;display:grid;gap:4px}.surface-properties select,.surface-properties input{padding:7px;width:auto;max-width:120px}#surfaceEditor .surface-stage canvas{height:min(54vh,600px)}
.intro{display:none}.workspace-nav{display:flex;gap:8px;position:sticky;top:-1px;background:var(--bg);z-index:12;padding:12px 0;border-bottom:1px solid var(--border)}.workspace-nav button{flex:1}.workspace-group{border:1px solid var(--border);border-radius:9px;margin:14px 0;padding:12px}.workspace-group>summary{cursor:pointer;font-size:13px;color:var(--accent);list-style-position:inside}.workspace-group>section{margin-top:12px}.workspace-group>section>.section-title{display:none}.style-art{height:35px}.style small{display:none}.style{padding:8px}.style strong{font-size:12px}.export-panel>.eyebrow,.export-panel>h2,.export-panel>p{display:none}.controls{padding-top:8px}.preview-head{margin-bottom:12px}.grating-shape-panel{margin-bottom:12px}.grating-shape-panel h3{font-size:13px}.grating-shape-panel input{width:100%}#surfaceEditor{margin:0}#surfaceEditor canvas{width:100%;height:min(64vh,680px);border:1px solid #3d454e;border-radius:12px;display:block;touch-action:none}#surfaceEditor .studio-toolbar label{display:flex;align-items:center;gap:8px;font-size:12px}#surfaceEditor input[type=color]{width:44px;height:32px;padding:2px}#surfaceEditor input[type=number]{width:80px;padding:6px}#surfaceEditor .color-swatches{padding:12px}.studio-toolbar{position:sticky;top:0;background:var(--bg);z-index:9;padding:8px 0}.field-help{line-height:1.65}@media(min-width:1051px){main{max-width:none;grid-template-columns:clamp(290px,23vw,370px) minmax(340px,1fr) clamp(260px,21vw,330px)}.workspace{padding:24px}.export-panel{padding:20px}header{min-height:64px;padding-block:10px}.brand strong{font-size:20px}.stage{padding-top:16px}.phone{max-height:65vh}footer{font-size:9px}}

/* The middle column owns a persistent horizontal timeline above both viewports. */
#timelineDock{position:sticky;top:-24px;z-index:15;background:#111214;border:1px solid var(--border);border-radius:10px;padding:12px;margin:0 0 18px;box-shadow:0 8px 18px #0005;text-align:left}
#timelineDock .section-title{margin:0 0 10px}#timelineDock .section-title h3{font-size:15px;margin:0}#timelineDock .section-title span{font-size:9px;letter-spacing:1px}
#timelineDock label{display:block;font-size:10px;color:var(--muted);margin:0;min-width:0}#timelineDock select,#timelineDock input[type=number]{width:100%;margin-top:5px;padding:8px;font-size:11px;box-sizing:border-box;min-width:0}
.dock-settings{display:grid;grid-template-columns:1.2fr .7fr 1.2fr;gap:10px}.dock-playback{display:grid;grid-template-columns:1.3fr 1fr auto;gap:12px;align-items:center;margin-top:10px}
#timelineDock .segmented{display:flex;margin:0}#timelineDock .segmented button{flex:1;font-size:10px;padding:9px 5px;white-space:nowrap}#timelineDock button{font-size:11px;padding:8px 10px}#timelineDock .segmented .active{background:#45413b;color:#efe2c7}
#timelineDock input[type=range]{width:100%;margin:7px 0 0}#timelineDock output{float:right}.dock-copy{display:flex;gap:10px;align-items:end;margin-top:10px}.dock-copy label{width:90px}.dock-copy .field-help{font-size:10px;flex:1;margin:0;line-height:1.5}
#timelineDock #studioTimeline{display:grid;grid-template-columns:1.3fr .8fr 1fr;gap:10px;border:0;margin:0;padding:0}#timelineDock #studioTimeline .section-title{grid-column:1/-1}#timelineDock #studioTimeline>.two-fields:first-of-type{display:contents}#timelineDock #studioTimeline>label{margin:0}#timelineDock #studioTimeline>.segmented{grid-column:1}#timelineDock #studioTimeline>.two-fields:last-of-type{grid-column:1/3;margin:0;align-items:end;grid-template-columns:100px 1fr}#timelineDock #studioTimeline>.field-help{font-size:10px;line-height:1.5;margin:0}
#timelineDock #studioTimeline>.two-fields:nth-child(2){display:contents}.dock-original{display:none!important}.opening-art{background:repeating-radial-gradient(ellipse at 45% 50%,#62bdd5 0 3px,#122b45 5px 11px,#406392 14px 17px)}.opening-source{display:flex;gap:12px;align-items:center}.opening-source img{width:58px;height:120px;object-fit:cover;border-radius:7px;border:1px solid var(--border)}.opening-source>div{flex:1;min-width:0}.opening-source input{width:100%;font-size:10px}.opening-source p{overflow-wrap:anywhere}#openingPanel>button{width:100%;margin:5px 0}#openingPanel .studio-fields input,#openingPanel .studio-fields select{width:100%;box-sizing:border-box;padding:8px;margin-top:6px}#openingPanel .reference-upload{display:block;font-size:11px;overflow:hidden}
@media(max-width:1400px){.dock-playback{grid-template-columns:1fr 1fr}.dock-playback>button{grid-column:2;justify-self:end}.dock-copy .field-help{display:none}}
@media(max-width:1050px){#timelineDock{top:-25px}.dock-settings{grid-template-columns:1fr 1fr}.dock-settings>label:last-child{grid-column:1/-1}}
@media(max-width:660px){#timelineDock{top:0}.dock-settings{grid-template-columns:1fr 1fr 1fr;gap:6px}.dock-settings>label:last-child{grid-column:auto}.dock-playback{grid-template-columns:1fr 1fr}.dock-playback>.segmented{grid-column:1/-1}.dock-copy{flex-wrap:wrap}#timelineDock #studioTimeline{grid-template-columns:1fr 1fr}#timelineDock #studioTimeline>.segmented{grid-column:1/-1}#timelineDock #studioTimeline>.two-fields:last-of-type{grid-column:1/-1}#timelineDock #studioTimeline>.field-help{grid-column:1/-1}}

/* Two compact rows leave the remaining middle-column height to the phone. */
#timelineDock{padding:8px;margin:0 0 8px;border-radius:8px;box-shadow:none}
#timelineDock .section-title,#timelineDock #studioTimeline>.field-help{display:none}
#timelineDock label{font-size:9px;line-height:1.3}#timelineDock select,#timelineDock input[type=number]{margin-top:3px;padding:5px 6px;height:27px;font-size:10px}
#timelineDock button{font-size:10px;padding:5px 8px}#timelineDock .segmented{padding:2px}#timelineDock .segmented button{font-size:10px;padding:6px 4px}
.dock-settings{grid-template-columns:1.2fr .6fr 1.2fr;gap:7px;padding-right:62px}.dock-playback{grid-template-columns:minmax(180px,1fr) minmax(120px,1.4fr) auto;gap:8px;margin-top:7px}.dock-playback>button{grid-column:auto;justify-self:stretch}#timelineDock input[type=range]{margin:6px 0;height:3px}
.dock-copy-menu{position:absolute;right:8px;top:21px;z-index:20}.dock-copy-menu>summary{list-style:none;cursor:pointer;border:1px solid var(--border);border-radius:5px;padding:5px 10px;font-size:10px;line-height:1.6;background:var(--panel)}.dock-copy-menu>summary::-webkit-details-marker{display:none}.dock-copy-menu[open]>div{position:absolute;right:0;top:calc(100% + 6px);width:230px;background:#1a1b1e;border:1px solid #4b4c50;box-shadow:0 8px 20px #0008;border-radius:7px;padding:10px;margin:0;display:grid;grid-template-columns:70px 1fr;gap:8px;align-items:end}.dock-copy-menu label{width:auto}.dock-copy-menu .field-help{display:none}
#timelineDock #studioTimeline{grid-template-columns:1.2fr .6fr 1.2fr;gap:7px;padding-right:62px}#timelineDock #studioTimeline>.segmented{grid-column:1}#timelineDock #studioTimeline>button{grid-column:3}#timelineDock #studioTimeline>.dock-copy-menu{padding:0}
@media(min-width:1051px){
 main>.workspace{display:flex;flex-direction:column;padding:12px 16px;gap:7px;overflow:hidden}
 #timelineDock{top:0;margin:0;flex:none}.preview-head{flex:none;margin:0}.preview-head .eyebrow{display:none}.preview-head h2{font-size:13px;margin:0}.size-chip{font-size:9px;padding:2px 7px}
 .workspace>.stage{flex:1;min-height:0;padding:5px 0;gap:0}.workspace>.stage .phone{flex:none;max-height:none;width:auto}.workspace>.stage .stage-label{display:none}
 .workspace .live-render-info{font-size:10px;line-height:1.4;margin:0 0 6px;white-space:nowrap;max-width:100%;overflow:hidden;text-overflow:ellipsis}.workspace #liveDevice{display:none}
 .workspace>.preview-actions{flex:none;margin:0 auto;gap:12px}.workspace>.preview-actions button{padding:4px 10px;font-size:10px}.workspace>.preview-quality{flex:none;margin:0;gap:10px;font-size:10px;align-items:center}.workspace>.preview-quality label{flex-direction:row;align-items:center;gap:5px}.workspace>.preview-quality select{margin:0;font-size:10px;padding:4px 5px;max-width:175px}.workspace>.preview-quality span{padding:0;font-size:9px}
 .workspace>.studio-toolbar{flex:none;position:static;padding:0;margin:0;gap:6px}.workspace>.studio-toolbar button{padding:4px 8px;font-size:10px}.workspace>.studio-toolbar span{font-size:10px}.workspace>#studioViewport{flex:1;min-height:0;display:flex;flex-direction:column}.workspace>#studioViewport canvas{flex:1;min-height:0;height:100%}.workspace>#studioViewport .field-help{flex:none;margin:3px 0;font-size:9px}
 .workspace .phone .lock strong{font-size:clamp(26px,calc(var(--preview-phone-width,256px)*.2),58px)}
}
@media(max-width:1200px){.dock-playback{grid-template-columns:minmax(145px,1fr) minmax(90px,1fr) auto}#timelineDock button{font-size:9px;padding:5px}.dock-copy-menu>summary{padding:5px 8px}}
@media(max-width:660px){.dock-playback{grid-template-columns:1fr auto}.dock-playback>.segmented{grid-column:1/-1}.dock-settings{grid-template-columns:1.2fr .6fr 1.2fr}.dock-settings>label:last-child{grid-column:auto}#timelineDock #studioTimeline{grid-template-columns:1fr 1fr;padding-right:0}#timelineDock #studioTimeline>.segmented{grid-column:1/-1}#timelineDock #studioTimeline>button{grid-column:2}.dock-copy-menu{top:6px}#timelineDock #studioTimeline>.dock-copy-menu{top:6px}}
.opening-shape-box{position:absolute;box-sizing:border-box;border:1px dashed #c4ffe4;background:#a2e8cc12;cursor:move;touch-action:none;pointer-events:auto;min-width:3px;min-height:3px}
#openingShapeEditor{position:absolute;inset:0;z-index:6;pointer-events:none;touch-action:none}
.opening-shape-box.circle{border-radius:50%}.opening-shape-box.diamond{background:conic-gradient(from 45deg,#a2e8cc15,#a2e8cc35,#a2e8cc15);border-style:dashed}
.opening-shape-handle{position:absolute;width:10px;height:10px;background:#b5f2d1;border:1px solid #123e32;box-sizing:border-box;pointer-events:auto;touch-action:none}
.opening-shape-handle.nw{left:-5px;top:-5px;cursor:nwse-resize}.opening-shape-handle.ne{right:-5px;top:-5px;cursor:nesw-resize}.opening-shape-handle.sw{left:-5px;bottom:-5px;cursor:nesw-resize}.opening-shape-handle.se{right:-5px;bottom:-5px;cursor:nwse-resize}
#openingEditStart{margin:6px 0;font-size:11px;padding:7px 10px}#openingShapeHint{margin:4px 0 9px}
.opening-shape-center{position:absolute;left:50%;top:50%;width:8px;height:8px;transform:translate(-50%,-50%);border:1px solid #123e32;border-radius:50%;background:#b5f2d1;z-index:2;pointer-events:auto;cursor:move;touch-action:none}
#videoFormats{border:1px solid var(--border);border-radius:8px;padding:10px;margin:12px 0;display:grid;gap:9px}#videoFormats legend{font-size:11px;color:var(--muted)}#videoFormats label{font-size:11px;display:flex;align-items:center;gap:7px}#videoFormats input{width:auto}#videoDownloads{display:grid;gap:8px;margin:10px 0}#videoDownloads a{font-size:11px;color:var(--accent)}#openingStartFrameHint{display:block;margin-top:5px}#customSize{display:grid;grid-template-columns:1fr 1fr;gap:8px}#customSize button{grid-column:1/-1}

.opening-timing-row{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:4px 10px;margin:10px 0}.opening-timing-row .field-label{margin:0;font-size:11px}.opening-timing-row input{width:100%;box-sizing:border-box;padding:8px 10px;margin-top:5px}.opening-timing-row>.field-help{grid-column:1/-1;font-size:10px;margin:0}

.controls .parameter-card{border:1px solid #303236;border-radius:12px;background:#ffffff03;padding:14px;margin:16px 0;}
.controls .parameter-block{border:1px solid #303236;border-radius:10px;background:#ffffff02;padding:10px 12px;margin:14px 0;}
.controls .parameter-card>.section-title{margin-top:0!important;}
.controls .parameter-card>.slider-row:first-child,.controls .parameter-block>.slider-row:first-child{margin-top:4px;}
.controls .parameter-card>summary{cursor:pointer;font-weight:500;}
.controls .workspace-group{background:#ffffff03;border-radius:12px;}
.controls .workspace-group:has(>.slider-row):not(:has(>.slider-row:not([hidden]))){display:none;}
#modeSwitchStatus{position:fixed;inset:0;z-index:80;display:grid;place-items:center;background:#0005;pointer-events:none;}
.mode-switch-card{display:flex;align-items:center;gap:14px;padding:22px 28px;max-width:80vw;background:#202124;border:1px solid #45464a;border-radius:14px;box-shadow:0 16px 60px #0008;}
.mode-switch-card strong{font-size:14px;font-weight:500;}
.mode-switch-spinner{width:22px;height:22px;border:2px solid #ffffff26;border-top-color:#eeeae1;border-radius:50%;animation:mode-switch-spin .8s linear infinite;flex:none;}
@keyframes mode-switch-spin{to{transform:rotate(360deg)}}

/* Style 09 · dynamic gradient */
.gradient-art{background:radial-gradient(circle at 22% 18%,#c2d5e6,transparent 62%),radial-gradient(circle at 82% 34%,#f8f4ee,transparent 58%),radial-gradient(circle at 58% 86%,#a9c4db,transparent 60%),linear-gradient(160deg,#f4f6f8,#dbe7f3)}
.gd-swatch{display:block;width:100%;height:36px;border-radius:7px;margin-bottom:5px}
.gd-ramp{margin:12px 0}
.gd-ramp-stops{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:6px;margin:8px 0}
.gd-ramp-stops label{display:flex;flex-direction:column;align-items:center;gap:3px;font-size:9px;color:var(--muted)}
.gd-ramp-stops input[type=color]{width:100%;height:26px}
#gdShapeCanvas{display:block;touch-action:none;cursor:crosshair;border-radius:12px;box-shadow:0 20px 60px #0008}
.gd-shape-list{display:grid;gap:5px;margin:8px 0}
.gd-shape-row{display:grid;grid-template-columns:72px 32px 1fr 70px;gap:6px;align-items:center;padding:4px;border:1px solid transparent;border-radius:7px}
.gd-shape-row select{padding:3px;font-size:10px}
.gd-shape-row.active{border-color:#62aaff;background:#62aaff14}
.gd-shape-row input[type=color]{width:32px;height:26px;padding:2px}
.gd-shape-row button{padding:4px 6px;font-size:10px;text-align:left}
.gd-shape-row input[type=range]{margin:0}
#gradientPanel .g-preset{width:100%}
#gdShapeEditor{display:flex;flex-direction:column;width:100%;height:calc(100dvh - 210px);min-height:430px}
#gdShapeEditor .ve-body{display:grid;grid-template-columns:minmax(280px,1fr) clamp(190px,24vw,300px);gap:14px;flex:1;min-height:0}
#gdShapeEditor .gde-stage{display:flex;align-items:center;justify-content:center;position:relative;min-height:0}
#gdShapeEditor .gde-stage #gdeHint{position:absolute;left:12px;bottom:10px;font-size:11px;color:#8f959d;pointer-events:none;max-width:80%}
#gdShapeEditor .ve-preview{display:flex;flex-direction:column;align-items:center;min-height:0;overflow:hidden}
#gdShapeEditor .gde-phone{flex:1;min-height:0;width:100%;display:flex;align-items:center;justify-content:center}
.gradient-editing .controls>:not(#gradientPanel){display:none!important}
.gradient-editing .workspace .preview-head,.gradient-editing .workspace .preview-actions,.gradient-editing .workspace .stage-label{display:none!important}
.gde-phone .stage{flex:1;width:100%;min-height:0;padding:6px;background:none;border:none;display:flex;align-items:center;justify-content:center}
.gradient-editing .phone{height:100%;max-height:100%;width:auto;aspect-ratio:var(--aspect,.45);max-width:100%}
.gradient-editing .timeline-dock{margin-bottom:8px}#timelineDock{position:relative}#dockFold{position:absolute;right:6px;top:6px;z-index:3;font-size:10px;padding:3px 9px;margin:0}
#timelineDock.collapsed>#studioTimeline,#timelineDock.collapsed>#sharedTimeline{display:none}
#timelineDock.collapsed{padding-bottom:4px}
#gdShapeEditor .gde-phone .live-render-info{display:none}
.gradient-editing .workspace>.preview-quality{display:none!important}
.gradient-editing .workspace>.stage{display:none!important}
#gdShapeEditor .ve-preview h3{margin:0 0 6px}
/* Off-canvas lamp handles must never cover playback or quality controls. */
.workspace>.preview-actions,.workspace>.preview-quality{position:relative;z-index:5}