:root{--bg: #1a1a1f;--bg-panel: #16161a;--bg-hover: #26262e;--border: #33333d;--text: #d8d8e0;--muted: #7a7a88;--accent: #c0392b;--error: #e06c5a;font-family:ui-monospace,SFMono-Regular,Cascadia Code,Menlo,Consolas,monospace;color-scheme:dark}*{box-sizing:border-box}html,body{margin:0;height:100%}body{background:var(--bg);color:var(--text)}#app{display:grid;grid-template-columns:320px 1fr;height:100vh}#sidebar{display:flex;flex-direction:column;min-height:0;background:var(--bg-panel);border-right:1px solid var(--border)}#sidebar-header{padding:16px;border-bottom:1px solid var(--border)}#sidebar-header h1{margin:0 0 12px;font-size:16px;font-weight:600}#select-workspace{width:100%;padding:10px 12px;font:inherit;font-weight:600;color:#fff;background:var(--accent);border:none;border-radius:6px;cursor:pointer}#select-workspace:hover:not(:disabled){filter:brightness(1.12)}#select-workspace:disabled{background:var(--border);cursor:not-allowed}.muted{color:var(--muted);font-size:12px}.error{color:var(--error)}#workspace-name{margin:12px 0 0;overflow-wrap:anywhere}#file-tree{flex:1;min-height:0;overflow:auto;padding:8px 0}.tree-list{list-style:none;margin:0;padding:0}.tree-list .tree-list{padding-left:14px}.tree-item{margin:0}.tree-row{display:flex;align-items:center;gap:4px;width:100%;padding:3px 12px;font:inherit;font-size:13px;text-align:left;color:var(--text);background:none;border:none;cursor:pointer;white-space:nowrap}.tree-row:hover{background:var(--bg-hover)}.tree-twisty{display:inline-block;width:10px;color:var(--muted);transition:transform .1s ease}.tree-twisty--open{transform:rotate(90deg)}.tree-label{overflow:hidden;text-overflow:ellipsis}#viewport{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;padding:24px;overflow:hidden;text-align:center}.scene-canvas{width:min(100%,960px);aspect-ratio:640 / 400;height:auto;image-rendering:pixelated;border:1px solid var(--border);box-shadow:0 0 0 4px #000;cursor:crosshair}.debug-map{image-rendering:pixelated;border:1px solid var(--border);box-shadow:0 0 0 4px #000;max-width:100%;height:auto}.map-caption{margin:0;font-size:12px;color:var(--muted);overflow-wrap:anywhere}.game-overlay{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;padding:24px;background:#020304d1;-webkit-backdrop-filter:blur(1px);backdrop-filter:blur(1px);z-index:10}.game-overlay.hidden{display:none}.overlay-box{max-width:480px;padding:28px 32px;border:2px solid currentColor;background:#040608e6;box-shadow:0 0 30px #0009;font-family:ui-monospace,Cascadia Code,Menlo,Consolas,monospace;text-align:center}.game-overlay.kernel-panic .overlay-box{color:#ff4d4d;box-shadow:0 0 34px #ff3c3c59}.game-overlay.build-ok .overlay-box{color:#37d24a;box-shadow:0 0 34px #37d24a59}.overlay-title{margin:0 0 12px;font-size:34px;letter-spacing:.12em;text-shadow:0 0 12px currentColor}.overlay-msg{margin:0 0 22px;color:#cdd3cd;font-size:14px;line-height:1.5}.overlay-btn{padding:10px 18px;font:inherit;font-weight:700;color:#04120a;background:#888;border:none;border-radius:4px;cursor:pointer}.game-overlay.kernel-panic .overlay-btn{background:#ff4d4d}.game-overlay.build-ok .overlay-btn{background:#37d24a}.overlay-btn:hover{filter:brightness(1.1)}