:root{color-scheme:dark;--bg:#070b10;--panel:#111923;--line:#283548;--text:#edf4f8;--muted:#8999ad;--accent:#57dfc2;--pink:#ee6f91;--blue:#7ea8ff;--danger:#ff7b72}*{box-sizing:border-box}[hidden]{display:none!important}body{margin:0;min-width:300px;background:radial-gradient(circle at 70% -10%,#172538 0,transparent 35%),var(--bg);color:var(--text);font:14px/1.45 Inter,Segoe UI,system-ui,sans-serif}.topbar{padding:21px clamp(16px,4vw,50px);display:flex;align-items:center;justify-content:space-between;gap:24px;border-bottom:1px solid var(--line)}h1,h2,p{margin:0}.eyebrow,.card-title>span,.card-title>div>span{font-size:10px;letter-spacing:.16em;font-weight:900;color:var(--accent)}.topbar h1{font-size:clamp(24px,3vw,36px);margin:3px 0}.topbar p:last-child{color:var(--muted)}.open-button{background:var(--accent);color:#07110e;border-radius:10px;padding:10px 15px;font-weight:800;cursor:pointer;white-space:nowrap}.workspace{display:grid;grid-template-columns:minmax(0,1fr) 360px;min-height:calc(100vh - 132px)}.stage-panel{min-width:0;display:flex;flex-direction:column}.stage-toolbar{min-height:57px;padding:9px 15px;display:flex;align-items:center;justify-content:space-between;gap:15px;border-bottom:1px solid var(--line);background:#0d131c}.stage-toolbar>div:first-child{display:flex;flex-direction:column}.stage-toolbar span{font-weight:700}.stage-toolbar small{color:var(--muted)}.background-picker{display:flex;border:1px solid var(--line);padding:3px;border-radius:9px;background:#080d13}.bg-button{border:0;background:none;color:var(--muted);padding:7px 9px;border-radius:6px;cursor:pointer}.bg-button.active{background:#243247;color:var(--text)}.stage{flex:1;min-height:560px;display:grid;place-items:center;overflow:auto;position:relative}.stage.checker{background-color:#080d13;background-image:linear-gradient(45deg,#14202e 25%,transparent 25%),linear-gradient(-45deg,#14202e 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#14202e 75%),linear-gradient(-45deg,transparent 75%,#14202e 75%);background-size:24px 24px;background-position:0 0,0 12px,12px -12px,-12px 0}.stage.dark{background:#070a0e}.stage.light{background:#e8edf2}.stage canvas{image-rendering:pixelated;max-width:95%;max-height:68vh}.empty-state{display:flex;align-items:center;flex-direction:column;text-align:center;color:var(--muted)}.empty-state strong{color:var(--text);font-size:22px}.transport{min-height:58px;display:flex;align-items:center;justify-content:center;gap:7px;padding:8px;border-top:1px solid var(--line);background:#0d131c}.transport button{border:1px solid var(--line);background:#192435;color:var(--text);border-radius:8px;padding:8px 12px;cursor:pointer}.transport button:disabled{opacity:.35;cursor:not-allowed}.transport .play{min-width:100px;background:var(--accent);color:#07110e;font-weight:800}.transport span{color:var(--muted);min-width:92px;text-align:center}.timeline{display:flex;gap:4px;overflow-x:auto;padding:9px 12px;min-height:66px;border-top:1px solid var(--line);background:#090e15}.timeline-empty{color:var(--muted);margin:auto}.timeline-frame{width:44px;height:44px;flex:0 0 44px;border:1px solid var(--line);border-radius:7px;background:#070b10;display:grid;place-items:center;overflow:hidden;cursor:pointer;position:relative}.timeline-frame.active{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent)}.timeline-frame.in-loop:after{content:'';position:absolute;inset:auto 3px 2px;height:2px;background:var(--blue)}.timeline-frame canvas{max-width:42px;max-height:42px;image-rendering:pixelated}.side-panel{padding:11px;border-left:1px solid var(--line);background:#090e15;display:flex;flex-direction:column;gap:9px;overflow:auto;max-height:calc(100vh - 132px)}.card{border:1px solid var(--line);background:linear-gradient(180deg,#131c28,#0f161f);border-radius:13px;padding:13px}.card-title{display:flex;gap:9px;align-items:center;margin-bottom:11px}.card-title h2{font-size:15px}.grid-fields{display:grid;grid-template-columns:1fr 1fr;gap:8px}label{display:flex;flex-direction:column;gap:5px;color:var(--muted);font-size:11px;margin-bottom:8px}input,select{width:100%;border:1px solid #334358;background:#080d14;color:var(--text);border-radius:8px;padding:8px 9px;font:inherit}input[type=range]{padding:0;accent-color:var(--accent)}input:focus,select:focus{outline:2px solid rgba(87,223,194,.2);border-color:var(--accent)}.check{flex-direction:row;align-items:center}.check input{width:auto}.range-row{display:grid;grid-template-columns:1fr 45px;align-items:center;gap:8px}.range-row output{text-align:right;color:var(--accent)}.primary,.secondary{border:1px solid transparent;border-radius:8px;padding:9px 11px;font-weight:800;cursor:pointer}.primary{background:var(--accent);color:#07110e}.secondary{background:#223147;color:var(--text);border-color:#34445a}.primary:disabled,.secondary:disabled{opacity:.4;cursor:not-allowed}.full{width:100%}.mini-metrics{display:grid;grid-template-columns:1fr 1fr;margin:10px 0 0;border-top:1px solid var(--line)}.mini-metrics div{padding-top:9px}.mini-metrics dt{color:var(--muted);font-size:10px}.mini-metrics dd{margin:1px 0 0;color:var(--accent);font-weight:800}.loop-heading{justify-content:space-between}.loop-heading>div{display:flex;gap:9px;align-items:center}.loop-heading strong{color:var(--accent);font-size:20px}.loop-editor{padding:9px;border:1px solid var(--line);border-radius:10px;background:#0a1018}.loop-list{display:flex;flex-direction:column;gap:5px;margin-top:8px;max-height:180px;overflow:auto}.empty-list{color:var(--muted);text-align:center;padding:14px}.loop-item{display:grid;grid-template-columns:1fr auto auto;gap:7px;align-items:center;border:1px solid var(--line);background:#0a1018;border-radius:8px;padding:7px;cursor:pointer}.loop-item.active{border-color:var(--accent)}.loop-item strong{font-size:11px}.loop-item span{color:var(--muted);font-size:10px}.loop-item button{border:0;background:none;color:var(--danger);cursor:pointer}.status{border-left:3px solid var(--accent);padding:9px;background:#091018;color:var(--muted);font-size:11px;margin-top:9px}footer{display:flex;justify-content:space-between;padding:12px clamp(16px,4vw,50px);border-top:1px solid var(--line);color:#607087;font-size:10px}@media(max-width:900px){.workspace{grid-template-columns:1fr}.side-panel{border-left:0;border-top:1px solid var(--line);max-height:none;display:grid;grid-template-columns:repeat(2,1fr)}.stage{min-height:480px}}@media(max-width:620px){.topbar{flex-direction:column;align-items:flex-start}.open-button{width:100%;text-align:center}.side-panel{display:flex}.stage-toolbar{align-items:flex-start;flex-direction:column}.background-picker{width:100%}.bg-button{flex:1}.stage{min-height:400px}.transport{flex-wrap:wrap}.timeline-frame{width:40px;height:40px;flex-basis:40px}footer{flex-direction:column;gap:3px}}@media(max-width:360px){.side-panel{padding:7px}.card{padding:11px}.transport button{padding:7px 9px}}

.export-preview{max-height:220px;overflow:auto;white-space:pre-wrap;word-break:break-word;background:#080c12;border:1px solid #273444;border-radius:6px;padding:8px;font:10px/1.45 Consolas,monospace;color:#8eead7}.loop-presets,.loop-persist{display:grid;grid-template-columns:repeat(2,1fr);gap:6px;margin:8px 0}.loop-presets button,.loop-persist button{font-size:10px;padding:6px}

.atlas-import,.frame-editor{display:grid;gap:10px}.atlas-import{margin-top:12px}.file-button{display:flex;justify-content:center;align-items:center;cursor:pointer}.frame-editor input{width:100%}.frame-editor{flex:0 0 auto}

.range-field{display:flex;flex-direction:column;gap:5px;color:var(--muted);font-size:11px;margin-bottom:8px}.range-field>label{display:block;color:inherit;font-size:inherit;margin-bottom:0}