:root{color-scheme:dark;--bg:#0e0e10;--panel:#18181b;--panel2:#1f1f24;--line:#303036;--muted:#adadb8;--purple:#9146ff;--sel:#3cc8ff;--guide:#ff3fa4}
*{box-sizing:border-box}
html,body{margin:0;height:100%;overflow:hidden}
body{background:var(--bg);color:#efeff1;font:14px/1.4 Inter,Arial,sans-serif;display:grid;grid-template-columns:300px minmax(0,1fr) 320px;grid-template-rows:56px minmax(0,1fr)}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;background:#303036;border:0;border-radius:5px;padding:6px 11px;font-weight:600}
button:hover{background:#3d3d44}
button:disabled{opacity:.4;cursor:default}
button:focus-visible,input:focus-visible,select:focus-visible,a:focus-visible,[tabindex]:focus-visible{outline:2px solid #bf94ff;outline-offset:2px}
input,select,textarea{background:#242428;border:1px solid #55555f;border-radius:5px;padding:7px 8px;min-width:0}
textarea{width:100%;resize:vertical}
.ghost{background:transparent;border:1px solid #4a4a52}
.ghost:hover{background:#2a2a30}
.primary{background:var(--purple);color:#fff}
.primary:hover{background:#772ce8}
.danger{background:#5c1f24;border:1px solid #b3424d;color:#ffd9dc}
.button-like{display:inline-block;cursor:pointer;background:var(--purple);color:#fff;border-radius:5px;padding:8px 12px;font-weight:650}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}
[hidden]{display:none!important}
.hint{font-size:11.5px;color:var(--muted);margin:8px 0}
/* top bar */
.ed-top{grid-column:1/-1;display:flex;align-items:center;gap:14px;padding:0 14px;background:var(--panel);border-bottom:1px solid var(--line);min-width:0}
.ed-back{font-weight:700;color:#bf94ff;white-space:nowrap}
.ed-brand{white-space:nowrap}
.scene-tabs{display:flex;gap:4px;overflow-x:auto;min-width:0}
.scene-tabs button{background:transparent;border:1px solid transparent;white-space:nowrap;color:var(--muted)}
.scene-tabs button[aria-selected="true"]{background:#2a2340;border-color:#7e5bd6;color:#fff}
.ed-top-actions{margin-left:auto;display:flex;gap:6px;align-items:center}
#play[aria-pressed="true"]{background:#1f3a44;color:#bdefff}
/* left */
.ed-left{background:var(--panel);border-right:1px solid var(--line);display:flex;flex-direction:column;min-height:0}
.tabs{display:flex;border-bottom:1px solid var(--line)}
.tabs button{flex:1;border-radius:0;background:transparent;padding:11px 6px;color:var(--muted);border-bottom:2px solid transparent}
.tabs button[aria-selected="true"]{color:#fff;border-bottom-color:var(--purple)}
.pane{padding:12px;overflow-y:auto;min-height:0;flex:1}
#lib-search{width:100%}
.chips{display:flex;flex-wrap:wrap;gap:5px;margin-top:8px}
.chips button{font-size:12px;padding:4px 9px;background:#26262c;border-radius:20px}
.chips button[aria-pressed="true"]{background:var(--purple)}
.lib-list{display:flex;flex-direction:column;gap:6px}
.lib-ov{background:var(--panel2);border:1px solid var(--line);border-radius:8px}
.lib-ov>button{display:flex;align-items:center;gap:9px;width:100%;background:transparent;text-align:left;padding:7px}
.lib-ov>button img{width:64px;height:36px;object-fit:cover;border-radius:4px;background:repeating-conic-gradient(#d9d9d9 0 25%,#fff 0 50%) 0 0/8px 8px;flex:0 0 auto}
.lib-ov>button span{flex:1;min-width:0}
.lib-ov>button small{display:block;color:var(--muted);font-weight:500;font-size:11px}
.lib-ov>button::after{content:"▸";color:var(--muted)}
.lib-ov.open>button::after{content:"▾"}
.lib-pieces{display:grid;grid-template-columns:1fr 1fr;gap:6px;padding:0 7px 8px}
.piece{display:flex;flex-direction:column;gap:4px;background:#26262c;border:1px solid #34343b;border-radius:6px;padding:5px;cursor:grab;text-align:left;font-size:11.5px;font-weight:600}
.piece:hover{border-color:#8b6be0}
.piece i{display:block;height:46px;border-radius:3px;background-color:#e9e9e9;background-image:repeating-conic-gradient(#d9d9d9 0 25%,#fff 0 50%);background-size:8px 8px;background-repeat:no-repeat}
.piece.whole{grid-column:1/-1;flex-direction:row;align-items:center;justify-content:center;background:#2d2445;cursor:pointer}
.img-list{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:10px}
.img-item{position:relative;background:repeating-conic-gradient(#d9d9d9 0 25%,#fff 0 50%) 0 0/10px 10px;border-radius:6px;aspect-ratio:1;border:1px solid var(--line);cursor:grab;overflow:hidden}
.img-item img{width:100%;height:100%;object-fit:contain}
.img-item button{position:absolute;right:4px;top:4px;padding:2px 7px;font-size:12px;background:#000b}
.layer-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:4px}
.layer-list li{display:flex;align-items:center;gap:6px;background:var(--panel2);border:1px solid var(--line);border-radius:6px;padding:5px 6px;cursor:pointer}
.layer-list li.sel{border-color:var(--sel);background:#12303a}
.layer-list li span{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:12.5px}
.layer-list li button{padding:2px 6px;font-size:12px;background:transparent}
.layer-list li.drop{box-shadow:0 -3px 0 var(--sel)}
/* canvas */
.ed-main{display:flex;flex-direction:column;min-width:0;min-height:0;background:#0a0a0c}
.canvas-wrap{flex:1;min-height:0;display:grid;place-items:center;padding:24px;overflow:hidden}
.canvas{position:relative;flex:0 0 auto;box-shadow:0 0 0 1px #3a3a42,0 20px 60px #000c}
.canvas[data-backdrop="grid"]{background:repeating-conic-gradient(#d9d9d9 0 25%,#fff 0 50%) 0 0/24px 24px}
.canvas[data-backdrop="dark"]{background:#16161a}
.canvas[data-backdrop="game"]{background:radial-gradient(ellipse at 50% 120%,#2f6b3f 0 38%,transparent 39%),radial-gradient(circle at 72% 30%,#ffe7a3 0 4%,transparent 16%),linear-gradient(#5b8fd6,#9cc5f0 55%,#d9ecff)}
#stage{position:absolute;inset:0;width:100%;height:100%;border:0;pointer-events:none;color-scheme:normal;background:transparent}
.sel-layer{position:absolute;inset:0;outline:none;touch-action:none}
.hover-box{position:absolute;outline:1px solid #3cc8ffaa;pointer-events:none}
.sel-box{position:absolute;outline:2px solid var(--sel);pointer-events:none;transform-origin:50% 50%}
.sel-box.locked{outline-style:dashed;outline-color:#ffb020}
.sel-box .h{position:absolute;width:12px;height:12px;margin:-6px 0 0 -6px;background:#fff;border:2px solid var(--sel);border-radius:2px;pointer-events:auto;touch-action:none}
.sel-box .h.edge{width:18px;height:8px;margin:-4px 0 0 -9px;border-radius:4px}
.sel-box .h.edge.v{width:8px;height:18px;margin:-9px 0 0 -4px}
.sel-box .rot{position:absolute;left:50%;top:-34px;width:16px;height:16px;margin-left:-8px;border-radius:50%;background:#fff;border:2px solid var(--sel);pointer-events:auto;cursor:grab}
.sel-box .rot::after{content:"";position:absolute;left:5px;top:14px;width:2px;height:18px;background:var(--sel)}
.sel-box .tag{position:absolute;left:-2px;bottom:100%;margin-bottom:4px;background:var(--sel);color:#012;font-size:11px;font-weight:700;padding:2px 7px;border-radius:3px;white-space:nowrap}
.guide{position:absolute;background:var(--guide);pointer-events:none}
.guide.v{width:1px;top:0;bottom:0}.guide.h{height:1px;left:0;right:0}
.drop-hint{position:absolute;inset:0;outline:3px dashed #bf94ff;outline-offset:-3px;pointer-events:none}
.ed-status{display:flex;gap:12px;align-items:center;padding:6px 14px;border-top:1px solid var(--line);background:var(--panel);font-size:12px;min-height:34px}
.ed-status .grow{flex:1}
.ed-status .hint{margin:0}
/* right */
.ed-right{background:var(--panel);border-left:1px solid var(--line);overflow-y:auto;padding:14px}
.ed-right h2{font-size:16px;margin:0 0 2px}
.ed-right h3{font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin:18px 0 8px}
.ed-right .sub{color:var(--muted);font-size:12px;margin:0 0 6px}
.row{display:flex;gap:8px;align-items:center;margin:6px 0;flex-wrap:wrap}
.grid4{display:grid;grid-template-columns:1fr 1fr;gap:6px}
.grid4 label,.field label{display:flex;flex-direction:column;gap:3px;font-size:11.5px;color:#c7c7d0}
.grid4 input{width:100%}
.field{margin:8px 0}
.field input[type=text],.field input[type=number],.field select,.field textarea{width:100%}
.field.check label{flex-direction:row;align-items:center;gap:8px;font-size:13px;color:#e0e0e6}
.range{display:flex;align-items:center;gap:8px}
.range input[type=range]{flex:1;accent-color:#a970ff;padding:0}
.range output{min-width:40px;text-align:right;font-size:12px}
.btns{display:flex;flex-wrap:wrap;gap:6px}
.btns button{font-size:12px}
.colour-row{display:flex;align-items:center;gap:9px;width:100%;background:#222227;border:1px solid #303036;border-radius:30px;padding:5px 12px 5px 5px;text-align:left;margin:4px 0}
.colour-row span.l{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:12.5px}
.colour-row code{font-size:11px;color:var(--muted)}
.swatch{--c:#fff;flex:0 0 auto;width:28px;height:28px;border-radius:50%;background:linear-gradient(var(--c),var(--c)),repeating-conic-gradient(#bbb 0 25%,#fff 0 50%) 0 0/8px 8px;box-shadow:0 0 0 2px #0008,0 0 0 3px #fff3}
.shared-tag{display:inline-block;margin-left:6px;padding:0 6px;border-radius:8px;background:#2d2640;color:#cbb6ff;font-size:10px;font-weight:700}
.bg-thumb{width:100%;aspect-ratio:16/9;border-radius:6px;border:1px solid #3a3a42;background:repeating-conic-gradient(#bbb 0 25%,#fff 0 50%) 0 0/12px 12px;background-size:cover;background-position:center;margin-bottom:6px}
/* picker */
.picker{position:fixed;z-index:60;width:250px;background:#1f1f24;border:1px solid #4d4659;border-radius:14px;padding:12px;box-shadow:0 18px 50px #000c}
.picker-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}
.picker-top strong{font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.wheel-wrap{position:relative;width:200px;height:200px;margin:0 auto 8px}
#wheel{display:block;width:200px;height:200px;border-radius:50%;cursor:crosshair;touch-action:none}
.wheel-dot{position:absolute;width:16px;height:16px;margin:-8px 0 0 -8px;border-radius:50%;border:2px solid #fff;box-shadow:0 0 0 1px #000;pointer-events:none}
.slider-row{display:flex;align-items:center;gap:8px;font-size:12px;margin:5px 0}
.slider-row input{flex:1;accent-color:#a970ff;padding:0}
.hex-row{display:flex;align-items:center;gap:7px;margin-top:8px}
.hex-row input{width:100px;font-family:ui-monospace,Consolas,monospace}
.hex-row .ghost{margin-left:auto}
.hex-error{min-height:1em;margin:4px 0 0;font-size:11px;color:#ff9b9b}
/* dialogs */
dialog{background:#18181b;color:#efeff1;border:1px solid #4d4659;border-radius:10px;max-width:min(900px,94vw);width:100%}
dialog::backdrop{background:#000a}
#modal{max-width:440px}
.modal-actions{display:flex;gap:8px;justify-content:flex-end}
.code-top{display:flex;justify-content:space-between;gap:10px}
.code-top h2{margin:0}
.code-help,.code-notes{font-size:13px;color:#c7c7d0}
.code-notes{background:#3a2a12;border:1px solid #a8741a;padding:8px 10px;border-radius:6px;color:#ffe2ad}
.code-notes:empty{display:none}
.code-panel{margin:10px 0}
.code-heading{display:flex;justify-content:space-between;align-items:center;gap:8px}
.code-heading h3{font-size:14px;margin:0}
.code-panel textarea{height:120px;font:12px ui-monospace,Consolas,monospace}
pre{white-space:pre-wrap;font-size:12px;color:#c7c7d0}
.toast{position:fixed;bottom:18px;left:50%;transform:translateX(-50%);background:#38313f;border:1px solid #a970ff;padding:10px 16px;border-radius:6px;z-index:70;max-width:90vw}
@media(max-width:1100px){body{grid-template-columns:250px minmax(0,1fr) 280px}.ed-brand{display:none}}
@media(max-width:820px){
 html,body{overflow:auto;height:auto}
 body{display:flex;flex-direction:column}
 .ed-top{flex-wrap:wrap;padding:8px;gap:8px;min-height:56px}
 .ed-top-actions{margin-left:0;flex-wrap:wrap}
 .ed-left,.ed-right{border:0;max-height:none}
 .ed-main{order:-1}
 .canvas-wrap{padding:8px;min-height:56vw}
 .ed-status .hint{display:none}
}
.field label .shared-tag,.field.check .shared-tag{align-self:flex-start;margin:0}