:root{--bg: #0f1419;--panel: #171d24;--line: #28323d;--text: #e6ebf0;--muted: #8b98a5;--accent: #4aa3ff;font-family:Inter,system-ui,-apple-system,Segoe UI,sans-serif;color-scheme:dark}*{box-sizing:border-box}html,body{margin:0;height:100%;background:var(--bg);color:var(--text)}#app{display:grid;height:100vh;grid-template-columns:260px 1fr 320px;grid-template-rows:48px 1fr;grid-template-areas:"top top top" "tree stage props"}#topbar{grid-area:top;display:flex;align-items:center;gap:16px;padding:0 16px;background:var(--panel);border-bottom:1px solid var(--line)}.brand{font-weight:700;letter-spacing:.08em}.brand span{font-weight:400;color:var(--muted);letter-spacing:0;margin-left:4px}.actions{display:flex;gap:8px}button{background:#202833;color:var(--text);border:1px solid var(--line);border-radius:6px;padding:6px 12px;font:inherit;font-size:13px;cursor:pointer}button:hover:not(:disabled){border-color:var(--accent)}button:disabled{opacity:.4;cursor:default}#status{margin-left:auto;color:var(--muted);font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}#status.error{color:#ff7b72}aside{background:var(--panel);overflow:auto;padding:12px}#tree{grid-area:tree;border-right:1px solid var(--line)}#props{grid-area:props;border-left:1px solid var(--line)}aside h2{margin:0 0 8px;font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}.empty{color:var(--muted);font-size:13px}#stage{grid-area:stage;position:relative;min-width:0}#viewport{position:absolute;inset:0}#drop{position:absolute;inset:12px;border:2px dashed var(--accent);border-radius:12px;display:flex;align-items:center;justify-content:center;background:#0f1419cc;font-size:18px;pointer-events:none}#drop[hidden]{display:none}ul.tree,ul.tree ul{list-style:none;margin:0;padding-left:14px}ul.tree{padding-left:0}.node{display:flex;gap:4px;align-items:baseline;padding:2px 4px;border-radius:4px;cursor:pointer;font-size:13px}.node:hover{background:#202833}.node.selected{background:#4aa3ff33}.node .twisty{width:12px;color:var(--muted);flex:none}.node .cls{color:var(--muted);font-size:11px;margin-left:auto;padding-left:8px;flex:none}.node .label{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.kv{display:grid;grid-template-columns:minmax(90px,40%) 1fr;gap:2px 8px;font-size:12.5px;margin-bottom:10px}.kv dt{color:var(--muted);overflow-wrap:anywhere}.kv dd{margin:0;overflow-wrap:anywhere}.props-title{font-size:15px;font-weight:600;margin:0 0 2px;overflow-wrap:anywhere}.props-sub{color:var(--muted);font-size:12px;margin-bottom:12px;overflow-wrap:anywhere}.pset{border-top:1px solid var(--line);padding-top:8px;margin-top:8px}.pset h3{margin:0 0 6px;font-size:12px;color:var(--accent);font-weight:600}@media(max-width:900px){#app{grid-template-columns:1fr;grid-template-rows:48px 1fr 180px;grid-template-areas:"top" "stage" "props"}#tree{display:none}}#sunpanel{position:absolute;right:12px;top:12px;width:210px;padding:10px 12px;background:color-mix(in srgb,var(--panel) 88%,transparent);border:1px solid var(--line);border-radius:8px;font-size:12px;backdrop-filter:blur(6px)}#sunpanel h2{margin:0 0 8px;font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}#sunpanel label{display:block;margin-bottom:8px;color:var(--muted)}#sunpanel output{float:right;color:var(--text)}#sunpanel input[type=range]{width:100%;margin:4px 0 0;accent-color:var(--accent)}#sunpanel .check{display:flex;align-items:center;gap:6px;margin:0;color:var(--text)}