*{box-sizing:border-box;margin:0;padding:0}:root{--bg: #f8fafc;--surface: #ffffff;--surface-2: #f1f5f9;--border: #e2e8f0;--border-strong: #cbd5e1;--text: #0f172a;--text-muted: #64748b;--text-faint: #94a3b8;--primary: #18181b;--primary-hover: #000000;--primary-soft: rgba(24, 24, 27, .06);--primary-soft-strong: rgba(24, 24, 27, .1);--accent: #ff3131;--accent-hover: #e11d1d;--accent-soft: rgba(255, 49, 49, .1);--accent-soft-strong: rgba(255, 49, 49, .18);--success: #16a34a;--success-bg: #f0fdf4;--success-border: #bbf7d0;--danger: #dc2626;--danger-hover: #b91c1c;--danger-bg: #fef2f2;--danger-border: #fecaca;--warning: #d97706;--warning-bg: #fffbeb;--warning-border: #fde68a;--purple: #9333ea;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 14px;--radius-xl: 18px;--shadow-sm: 0 1px 2px rgba(15, 23, 42, .06);--shadow-md: 0 4px 16px rgba(15, 23, 42, .1);--shadow-lg: 0 16px 40px rgba(15, 23, 42, .18)}:root[data-theme=dark]{--bg: #0b0d12;--surface: #151820;--surface-2: #1c202b;--border: #2a2f3b;--border-strong: #3d4454;--text: #e8eaf0;--text-muted: #9aa3b5;--text-faint: #6b7386;--primary: var(--accent);--primary-hover: var(--accent-hover);--primary-soft: rgba(255, 49, 49, .16);--primary-soft-strong: rgba(255, 49, 49, .26);--accent: #ff3131;--accent-hover: #ff5252;--accent-soft: rgba(255, 49, 49, .18);--accent-soft-strong: rgba(255, 49, 49, .28);--success: #22c55e;--success-bg: rgba(34, 197, 94, .14);--success-border: rgba(34, 197, 94, .35);--danger: #f87171;--danger-hover: #ef4444;--danger-bg: rgba(248, 113, 113, .14);--danger-border: rgba(248, 113, 113, .35);--warning: #fbbf24;--warning-bg: rgba(251, 191, 36, .14);--warning-border: rgba(251, 191, 36, .35);--purple: #a78bfa;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .3);--shadow-md: 0 4px 16px rgba(0, 0, 0, .4);--shadow-lg: 0 16px 40px rgba(0, 0, 0, .5)}html,body,#root{height:100%}body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Inter,Segoe 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var(--border-strong);border-radius:var(--radius-md);padding:16px 10px;display:flex;flex-direction:column;align-items:center;gap:6px;color:var(--text-muted);background:var(--surface);cursor:pointer;transition:border-color .15s,color .15s,background-color .15s;margin-bottom:14px;font-size:12.5px;font-weight:500}.upload-tile:hover:not(:disabled){border-color:var(--primary);color:var(--primary);background:var(--primary-soft)}.upload-tile:disabled{opacity:.6;cursor:default}.scene-card{border:1.5px solid var(--border);border-radius:var(--radius-md);overflow:hidden;margin-bottom:10px;cursor:pointer;background:var(--surface);transition:border-color .15s,box-shadow .15s;position:relative}.scene-card.active{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}.scene-card.dragging{opacity:.4}.scene-card.drag-over{border-color:var(--accent);box-shadow:0 -3px 0 0 var(--accent)}.scene-card img{width:100%;height:84px;object-fit:cover;display:block;background:var(--surface-2);pointer-events:none}.scene-card .info{padding:7px 9px;display:flex;align-items:center;gap:6px;font-size:12px;font-weight:500;color:var(--text)}.scene-card .info .drag-handle{color:var(--text-faint);flex-shrink:0;cursor:grab}.scene-card .info .name{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.scene-card .star-badge{position:absolute;top:6px;left:6px;width:20px;height:20px;border-radius:50%;background:#fffffff2;color:#d97706;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-sm)}.viewport-wrap{position:relative;background:#0b0d12;overflow:hidden;min-height:0}.viewport-wrap canvas{display:block}.viewport-toolbar{position:absolute;top:14px;left:50%;transform:translate(-50%);display:flex;align-items:center;gap:2px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:5px;box-shadow:var(--shadow-md);z-index:10}.viewport-toolbar button{display:flex;align-items:center;gap:6px;height:34px;padding:0 12px;border-radius:var(--radius-sm);border:none;background:transparent;color:var(--text-muted);font-size:12.5px;font-weight:500;cursor:pointer;white-space:nowrap;flex-shrink:0;transition:background-color .15s,color .15s}.viewport-toolbar button:hover:not(.active){background:var(--surface-2);color:var(--text)}.viewport-toolbar button.active{background:var(--accent);color:#fff}.viewport-toolbar .divider{width:1px;align-self:stretch;background:var(--border);margin:4px;flex-shrink:0}.viewport-hint{position:absolute;bottom:16px;left:50%;transform:translate(-50%);background:#0f172ae0;color:#fff;padding:7px 16px;border-radius:999px;font-size:12.5px;z-index:10;box-shadow:var(--shadow-md)}.viewport-empty{height:100%;display:flex;align-items:center;justify-content:center;color:var(--text-faint);font-size:13px}.inspector{background:var(--surface-2);border-left:1px solid var(--border);overflow-y:auto;min-height:0;padding:16px}.inspector-head{display:flex;align-items:center;gap:12px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:14px 16px;margin-bottom:14px}.kind-badge{width:38px;height:38px;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;flex-shrink:0}.kind-badge.nav{background:var(--accent-soft);color:var(--accent-hover)}.kind-badge.video{background:#9333ea1a;color:var(--purple)}.kind-badge.text{background:var(--warning-bg);color:var(--warning)}.kind-badge.label{background:var(--success-bg);color:var(--success)}.kind-badge.stairs{background:#0d94881a;color:#0d9488}.kind-badge.corridor{background:#2563eb1a;color:#2563eb}[data-theme=dark] .kind-badge.video{background:#a78bfa2e}[data-theme=dark] .kind-badge.stairs{background:#2dd4bf2e;color:#2dd4bf}[data-theme=dark] .kind-badge.corridor{background:#60a5fa33;color:#60a5fa}.inspector-head .heading{display:flex;flex-direction:column}.inspector-head .heading .kind-name{font-size:14.5px;font-weight:700}.inspector-head .heading .kind-sub{font-size:12px;color:var(--text-faint);margin-top:1px}.inspector-section{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:16px;margin-bottom:12px}.inspector-section:last-child{margin-bottom:0}.inspector-section.danger-zone{background:var(--danger-bg);border-color:var(--danger-border)}.inspector-section .section-label{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--text-faint);margin-bottom:12px}.inspector-section .field:last-child{margin-bottom:0}.props-row{display:flex;gap:8px}.props-row .field{flex:1}.action-row{display:flex;gap:8px;flex-wrap:wrap}.stat-chips{display:flex;gap:8px}.stat-chip{flex:1;background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius-md);padding:8px 12px;text-align:center}.stat-chip .stat-label{font-size:10.5px;font-weight:700;text-transform:uppercase;letter-spacing:.04em;color:var(--text-faint);display:block;margin-bottom:2px}.stat-chip .stat-value{font-size:15px;font-weight:700;color:var(--text)}.kv{display:flex;align-items:center;gap:6px;font-size:12.5px;color:var(--text-muted)}.kv strong{color:var(--text);font-weight:600}.floor-bar{display:flex;align-items:center;gap:6px;flex-wrap:wrap;margin-bottom:12px}.floor-chip{display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:999px;border:1px solid var(--border);background:var(--surface);color:var(--text-muted);font-size:12px;font-weight:600;cursor:pointer;white-space:nowrap;transition:background-color .15s,border-color .15s,color .15s}.floor-chip:hover{border-color:var(--border-strong);color:var(--text)}.floor-chip.active{background:var(--primary);border-color:var(--primary);color:#fff}.floor-chip.manage{background:transparent;border-style:dashed}.switch-row{display:flex;align-items:center;gap:10px}.switch{position:relative;width:38px;height:22px;border-radius:999px;background:var(--border-strong);border:none;cursor:pointer;flex-shrink:0;transition:background-color .15s}.switch:after{content:"";position:absolute;top:2px;left:2px;width:18px;height:18px;border-radius:50%;background:#fff;transition:transform .15s;box-shadow:var(--shadow-sm)}.switch.on{background:var(--accent)}.switch.on:after{transform:translate(16px)}