:root{--bg: #f6f7fb;--bg-deep: #eef0f6;--panel: #ffffff;--panel-2: #fbfcff;--border: #e4e7ef;--border-strong: #d3d8e4;--text: #0f1730;--text-muted: #606a85;--text-faint: #9ba3b8;--accent: #0d0155;--accent-hover: #1a0f7a;--accent-alt: #667eea;--accent-soft: rgba(13, 1, 85, .08);--safe: #10b981;--caution: #f59e0b;--warn: #f97316;--danger: #ef4444;--info: #3b82f6;--inactive: #9ba3b8;--demo-fg: #7c3aed;--demo-bg: #f5f3ff;--mono: "SF Mono", ui-monospace, "Cascadia Mono", "Roboto Mono", Menlo, monospace;--sans: Inter, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--radius: 8px;--radius-lg: 12px;--shadow-card: 0 1px 3px rgba(0, 0, 0, .06);--shadow-modal: 0 8px 32px rgba(0, 0, 0, .15);--shadow-pop: 0 8px 24px rgba(15, 23, 48, .12);--focus-ring: 0 0 0 3px rgba(13, 1, 85, .14);--hud-chip-bg: rgba(17, 24, 39, .55);--header-h: 40px;--toolbar-h: 38px;--statusbar-h: 26px}*{box-sizing:border-box}html,body,#root{height:100%;margin:0;background:var(--bg);color:var(--text);font-family:var(--sans);font-size:13px;overflow:hidden}.workspace{display:flex;flex-direction:column;height:100%}.workspace-main{display:flex;flex:1;min-height:0}.viewport-wrap{position:relative;flex:1;min-width:0;background:var(--bg-deep)}.panel{background:var(--panel);border:0 solid var(--border);display:flex;flex-direction:column;min-height:0;min-width:0}.panel-left{border-right-width:1px}.panel-right{border-left-width:1px}.panel-bottom{border-top-width:1px}.panel-header{display:flex;align-items:center;gap:8px;padding:6px 10px;font-size:11px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--text-muted);background:var(--panel-2);border-bottom:1px solid var(--border);-webkit-user-select:none;user-select:none;flex:none}.panel-body{flex:1;overflow:auto;min-height:0}.panel-section{border-bottom:1px solid var(--border);padding:8px 10px}.panel-section-title{font-size:11px;font-weight:600;color:var(--text-muted);margin:0 0 6px;text-transform:uppercase;letter-spacing:.05em}.resize-handle{flex:none;background:transparent;z-index:5}.resize-handle.h{width:5px;cursor:col-resize;margin:0 -2px}.resize-handle.v{height:5px;cursor:row-resize;margin:-2px 0}.resize-handle:hover{background:#0d01551f}.app-header{height:var(--header-h);display:flex;align-items:center;gap:12px;padding:0 12px;background:var(--panel);border-bottom:1px solid var(--border);flex:none;-webkit-user-select:none;user-select:none}.app-title{font-weight:700;font-size:14px;letter-spacing:.02em;color:var(--accent)}.toolbar{height:var(--toolbar-h);display:flex;align-items:center;gap:4px;padding:0 8px;background:var(--panel-2);border-bottom:1px solid var(--border);flex:none;-webkit-user-select:none;user-select:none}.toolbar-divider{width:1px;height:20px;background:var(--border);margin:0 6px}.statusbar{height:var(--statusbar-h);display:flex;align-items:center;gap:16px;padding:0 12px;background:var(--panel);border-top:1px solid var(--border);font-size:11px;color:var(--text-muted);flex:none;-webkit-user-select:none;user-select:none;font-family:var(--mono);font-variant-numeric:tabular-nums}.btn{display:inline-flex;align-items:center;gap:6px;padding:5px 10px;background:var(--panel);color:var(--text);border:1px solid var(--border);border-radius:var(--radius);font-size:12px;font-family:var(--sans);cursor:pointer;-webkit-user-select:none;user-select:none;white-space:nowrap;transition:transform .12s ease,box-shadow .12s ease,background .12s ease,border-color .12s ease}.btn:hover{border-color:var(--border-strong);transform:translateY(-1px);box-shadow:var(--shadow-card)}.btn:active{transform:translateY(0);box-shadow:none}.btn:disabled{color:var(--text-faint);cursor:default;border-color:var(--border);background:var(--panel-2);transform:none;box-shadow:none}.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}.btn.primary:hover{background:var(--accent-hover);border-color:var(--accent-hover)}.btn.primary:disabled{background:var(--inactive);border-color:var(--inactive);color:#fff}.btn.danger{border-color:var(--danger);color:var(--danger);background:var(--panel)}.btn.danger:hover{background:#ef44440f;border-color:var(--danger)}.tool-btn{display:inline-flex;align-items:center;justify-content:center;min-width:28px;height:26px;padding:0 7px;border-radius:var(--radius);border:1px solid transparent;background:transparent;color:var(--text-muted);font-size:12px;cursor:pointer;-webkit-user-select:none;user-select:none}.tool-btn:hover{background:var(--bg-deep);color:var(--text)}.tool-btn.active{background:var(--accent-soft);border-color:var(--accent);color:var(--accent)}.field{display:grid;grid-template-columns:minmax(80px,1fr) 110px;align-items:center;gap:8px;margin:4px 0}.field label{color:var(--text-muted);font-size:12px}input[type=text],input[type=number],select,textarea{background:#fff;color:var(--text);border:1px solid var(--border);border-radius:var(--radius);padding:4px 7px;font-size:12px;font-family:var(--mono);font-variant-numeric:tabular-nums;width:100%;transition:border-color .12s ease,box-shadow .12s ease}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--accent);box-shadow:var(--focus-ring)}input.invalid{border-color:var(--danger)}input.invalid:focus{box-shadow:0 0 0 3px #ef444424}input[type=range]{width:100%;accent-color:var(--accent)}.kv{display:flex;justify-content:space-between;align-items:baseline;gap:8px;padding:3px 0;border-bottom:1px dotted var(--border)}.kv:last-child{border-bottom:none}.kv .k{color:var(--text-muted);font-size:12px}.kv .v{font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:12px;text-align:right;color:var(--text)}.badge{display:inline-flex;align-items:center;gap:4px;padding:2px 7px;border-radius:999px;font-size:10.5px;font-weight:600;letter-spacing:.03em;border:1px solid;white-space:nowrap}.badge.safe{color:var(--safe);border-color:var(--safe);background:#10b9811a}.badge.caution{color:var(--caution);border-color:var(--caution);background:#f59e0b1f}.badge.warn{color:var(--warn);border-color:var(--warn);background:#f973161f}.badge.danger{color:var(--danger);border-color:var(--danger);background:#ef44441a}.badge.neutral{color:var(--text-muted);border-color:var(--border-strong);background:var(--panel-2)}.badge.demo{color:var(--demo-fg);border-color:var(--demo-fg);background:var(--demo-bg)}.util-bar{position:relative;height:14px;background:var(--bg-deep);border:1px solid var(--border);border-radius:4px;overflow:hidden}.util-bar .fill{position:absolute;inset:0 auto 0 0;transition:width .15s}.util-bar .mark{position:absolute;top:0;bottom:0;width:1px;background:var(--text-faint)}.tree-node{display:flex;align-items:center;gap:6px;padding:3px 8px;cursor:pointer;border-radius:4px;-webkit-user-select:none;user-select:none;white-space:nowrap}.tree-node:hover{background:var(--bg-deep)}.tree-node.selected{background:var(--accent-soft);outline:1px solid var(--accent)}.tree-node .warn-dot{width:7px;height:7px;border-radius:50%;flex:none}.tree-indent{padding-left:18px}.steps-strip{display:flex;align-items:center;gap:6px;padding:10px 12px;overflow-x:auto;height:100%}.step-node{display:flex;flex-direction:column;align-items:center;gap:4px;min-width:84px;padding:6px 8px;border:1px solid var(--border);border-radius:var(--radius);background:var(--panel);cursor:pointer;-webkit-user-select:none;user-select:none;flex:none;transition:border-color .12s ease,box-shadow .12s ease}.step-node:hover{border-color:var(--border-strong);box-shadow:var(--shadow-card)}.step-node.active{border-color:var(--accent);background:var(--accent-soft)}.step-node .dot{width:14px;height:14px;border-radius:50%;border:2px solid var(--inactive);background:#fff}.scene-hud{position:absolute;pointer-events:none;z-index:10;font-family:var(--mono);font-size:11px;color:#fff;background:var(--hud-chip-bg);border-radius:999px;padding:4px 10px;backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px)}.scene-hud.top-left{top:10px;left:12px}.scene-hud.bottom-right{bottom:10px;right:12px}.scene-label{background:var(--hud-chip-bg);border:none;border-radius:6px;padding:2px 7px;font-family:var(--mono);font-size:11px;color:#fff;white-space:nowrap;pointer-events:none;backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px)}.modal-backdrop{position:fixed;inset:0;background:#0f173073;display:flex;align-items:center;justify-content:center;z-index:100}.modal{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius-lg);min-width:560px;max-width:860px;max-height:82vh;display:flex;flex-direction:column;box-shadow:var(--shadow-modal)}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-bottom:1px solid var(--border);font-weight:600}.modal-body{padding:14px 16px;overflow:auto}.modal-footer{display:flex;justify-content:flex-end;gap:8px;padding:12px 16px;border-top:1px solid var(--border)}.overview{height:100%;overflow:auto;padding:40px clamp(20px,6vw,80px);background:var(--bg)}.project-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px;margin-top:20px}.project-card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius-lg);padding:16px;cursor:pointer;box-shadow:var(--shadow-card);transition:transform .12s ease,box-shadow .12s ease,border-color .12s ease}.project-card:hover{border-color:var(--accent-alt);transform:translateY(-1px);box-shadow:var(--shadow-pop)}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:5px}::-webkit-scrollbar-track{background:transparent}