*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg: #0d0f1a;--surface: #161928;--border: #2a2f4a;--text: #c8cce0;--text-dim: #6b7091;--accent: #4f7fff;--accent-hover: #6a93ff;--toolbar-h: 40px}html,body{width:100%;height:100%;background:var(--bg);color:var(--text);font-family:Segoe UI,system-ui,sans-serif;font-size:13px;overflow:hidden}.seo-content{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}#app{display:flex;flex-direction:column;width:100%;height:100%;position:relative}#toolbar{position:relative;display:flex;align-items:center;height:var(--toolbar-h);padding:0 12px;background:var(--surface);border-bottom:1px solid var(--border);flex-shrink:0;z-index:5}#toolbar-start{display:flex;align-items:center;gap:16px;z-index:2}#app-brand{display:flex;align-items:center;gap:6px;background:none;border:none;padding:0;font:inherit;cursor:pointer;border-radius:4px;transition:opacity .12s}#app-brand:hover{opacity:.85}#app-title{font-weight:600;color:var(--text);letter-spacing:.05em;font-size:12px;text-transform:uppercase}.app-beta{font-size:9px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--accent);border:1px solid color-mix(in srgb,var(--accent) 45%,transparent);background:color-mix(in srgb,var(--accent) 12%,var(--surface));border-radius:3px;padding:1px 5px;line-height:1.4}#scene-name{position:absolute;left:50%;transform:translate(-50%);background:transparent;border:none;border-bottom:1px solid transparent;color:var(--text);font-family:inherit;font-size:13px;font-weight:500;padding:2px 8px;width:min(320px,42vw);text-align:center;outline:none;transition:border-color 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var(--border);border-radius:20px;font-size:11px;color:var(--text-dim);pointer-events:none;user-select:none;z-index:4;opacity:0;transition:opacity .2s;white-space:nowrap}#tool-hint.visible{opacity:1}#tool-hint kbd,.tool-tooltip kbd{display:inline-block;padding:1px 5px;background:var(--border);border-radius:3px;font-family:inherit;font-size:10px;color:var(--text)}#viewport{flex:1;min-height:0;display:block;width:100%}button{display:inline-flex;align-items:center;gap:5px;background:transparent;border:1px solid var(--border);color:var(--text);padding:4px 12px;border-radius:4px;cursor:pointer;font-size:12px;transition:background .15s,border-color .15s}.ti{font-size:14px;line-height:1;flex-shrink:0}button:hover{background:var(--accent);border-color:var(--accent);color:#fff}.panel{position:absolute;top:calc(var(--toolbar-h) + 12px);right:12px;width:300px;max-height:calc(100% - var(--toolbar-h) - 24px);display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--border);border-radius:6px;box-shadow:0 6px 32px #0009;z-index:10;overflow:hidden;opacity:0;pointer-events:none;transform:translateY(-6px);transition:opacity .15s,transform .15s}.panel.open{opacity:1;pointer-events:all;transform:translateY(0)}.panel-header{display:flex;align-items:center;gap:6px;padding:8px 10px;border-bottom:1px solid var(--border);flex-shrink:0}.panel-title{flex:1;font-weight:600;font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--text)}.panel-btn{padding:2px 7px;font-size:13px;line-height:1}.panel-body{overflow-y:auto;padding:6px;display:flex;flex-direction:column;gap:3px}.panel-empty{padding:12px 6px;color:var(--text-dim);font-size:12px;text-align:center}.mat-row{display:flex;align-items:center;gap:7px;padding:5px 6px;border-radius:4px;background:var(--bg);border:1px solid transparent;transition:border-color .1s;cursor:pointer}.mat-row:hover{border-color:var(--border)}.mat-row.selected{border-color:var(--accent);background:color-mix(in srgb,var(--accent) 12%,var(--bg))}.mat-color{flex-shrink:0;width:26px;height:26px;padding:2px;border:1px solid var(--border);border-radius:4px;background:var(--surface);cursor:pointer}.mat-color:hover{border-color:var(--accent)}.mat-name{flex:1;min-width:0;background:transparent;border:1px solid transparent;color:var(--text);font-size:12px;padding:3px 5px;border-radius:3px}.mat-name:hover{border-color:var(--border)}.mat-name:focus{background:var(--bg);border-color:var(--accent);outline:none}.mat-emissive{display:flex;align-items:center;gap:4px;font-size:11px;color:var(--text-dim);cursor:pointer;white-space:nowrap;user-select:none}.mat-usage{font-size:11px;color:var(--text-dim);min-width:18px;text-align:right}.mat-delete{flex-shrink:0;color:var(--text-dim);font-size:12px;opacity:.6}.mat-delete:hover{background:#3a1520!important;border-color:#6b2030!important;color:#f56!important;opacity:1}.tool-palette{position:absolute;top:calc(var(--toolbar-h) + 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var(--border);border-radius:8px;padding:28px;width:400px;box-shadow:0 12px 48px #000c;display:flex;flex-direction:column;gap:20px}.modal-close{position:absolute;top:12px;right:12px;display:flex;align-items:center;justify-content:center;width:28px;height:28px;padding:0;background:none;border:none;border-radius:4px;color:var(--text-dim);cursor:pointer;transition:color .12s,background .12s}.modal-close:hover{color:var(--text);background:color-mix(in srgb,var(--text) 8%,transparent)}.modal-close .ti{font-size:16px}.modal--wide{width:520px}.modal-title{font-size:15px;font-weight:600;color:var(--text);letter-spacing:.01em}.modal-intro{font-size:13px;line-height:1.55;color:var(--text-dim)}.modal-body{display:flex;flex-direction:column;gap:12px;font-size:13px;line-height:1.55;color:var(--text-dim)}.modal-body a{color:var(--accent);text-decoration:none}.modal-body a:hover{text-decoration:underline}.modal-footer-links{display:flex;align-items:center;justify-content:center;gap:8px}.modal-footer-sep{color:var(--text-dim);font-size:12px}.modal-link{background:none;border:none;padding:0;font:inherit;font-size:12px;color:var(--text-dim);cursor:pointer;text-decoration:underline;text-underline-offset:2px}.modal-link:hover{color:var(--accent)}.modal-section{display:flex;flex-direction:column;gap:8px}.modal-section-label{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--text-dim)}.modal-size-row{display:flex;align-items:center;gap:8px}.modal-x{color:var(--text-dim);font-size:14px}.modal-field{display:flex;align-items:center;gap:5px}.modal-field-label{font-size:11px;color:var(--text-dim);white-space:nowrap}.modal-field input[type=number]{width:72px;background:var(--bg);border:1px solid var(--border);border-radius:4px;color:var(--text);font-size:13px;padding:5px 8px;outline:none;transition:border-color 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14px}.modal-divider{display:flex;align-items:center;gap:12px;margin:4px 0;color:var(--text-dim);font-size:11px;font-weight:600;letter-spacing:.08em;text-transform:uppercase}.modal-divider:before,.modal-divider:after{content:"";flex:1;height:1px;background:var(--border)}.example-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(108px,1fr));gap:8px}.example-tile{display:flex;flex-direction:column;align-items:center;gap:10px;padding:14px 10px;background:var(--bg);border:1px solid var(--border);border-radius:6px;color:var(--text);font-size:12px;font-weight:500;cursor:pointer;transition:border-color .15s,background .15s}.example-tile:hover{background:color-mix(in srgb,var(--accent) 8%,var(--bg));border-color:var(--accent);color:var(--text)}.example-tile-preview{display:flex;align-items:center;justify-content:center;color:var(--text-dim);line-height:1;transition:color .15s}.example-tile-preview .ti{font-size:36px}.example-tile:hover 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