:root{--bg: #11141c;--bg-2: #161a24;--panel: #1b2130;--panel-2: #212838;--line: #2a3142;--text: #cdd6f4;--text-dim: #8b93a7;--accent: #6384dc;--accent-2: #fbbf24;--danger: #e0556b;--radius: 10px;font-synthesis:none}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);color:var(--text);font-family:Inter,system-ui,-apple-system,Segoe UI,sans-serif;font-size:13px;overflow:hidden;-webkit-font-smoothing:antialiased}.app{display:flex;flex-direction:column;height:100%}.toolbar{display:flex;align-items:center;gap:18px;padding:8px 14px;background:var(--bg-2);border-bottom:1px solid var(--line);flex:0 0 auto;z-index:5}.toolbar-group{display:flex;align-items:center;gap:6px}.toolbar-group.right{margin-left:auto;gap:8px}.brand{gap:10px}.logo{font-size:20px;color:var(--accent)}.project-name{background:transparent;border:1px solid transparent;color:var(--text);font-size:14px;font-weight:600;padding:4px 8px;border-radius:6px;width:180px}.project-name:hover{border-color:var(--line)}.project-name:focus{outline:none;border-color:var(--accent);background:var(--panel)}.tool-btn{display:flex;align-items:center;gap:6px;background:var(--panel);border:1px solid var(--line);color:var(--text-dim);padding:6px 10px;border-radius:8px;cursor:pointer;font-size:12px;transition:all .12s ease}.tool-btn:hover:not(:disabled){color:var(--text);border-color:#3a4356}.tool-btn:disabled{opacity:.35;cursor:default}.tool-btn.active{color:#fff;background:var(--accent);border-color:var(--accent)}.tool-icon{font-size:14px}.snap-label{color:var(--text-dim);font-size:12px}.snap-select,.num,.txt{background:var(--panel);border:1px solid var(--line);color:var(--text);border-radius:6px;padding:5px 8px;font-size:12px;font-family:inherit}.snap-select:focus,.num:focus,.txt:focus{outline:none;border-color:var(--accent)}.ghost-btn{background:transparent;border:1px solid var(--line);color:var(--text-dim);border-radius:6px;padding:6px 10px;cursor:pointer;font-size:13px}.ghost-btn:hover:not(:disabled){color:var(--text);border-color:#3a4356}.ghost-btn:disabled{opacity:.35;cursor:default}.primary-btn{background:linear-gradient(180deg,#7a98e8,var(--accent));border:none;color:#fff;border-radius:8px;padding:7px 14px;font-weight:600;cursor:pointer}.primary-btn:disabled{opacity:.4;cursor:not-allowed}.workspace{display:flex;flex:1 1 auto;min-height:0}.left-rail,.right-rail{flex:0 0 248px;background:var(--bg-2);border-right:1px solid var(--line);overflow-y:auto;display:flex;flex-direction:column;gap:12px;padding:12px}.right-rail{border-right:none;border-left:1px solid var(--line)}.canvas-wrap{flex:1 1 auto;min-width:0;position:relative;background:var(--bg)}.canvas-host{position:absolute;top:0;right:0;bottom:0;left:0}.scale-readout{position:absolute;bottom:10px;left:12px;background:#141821cc;color:var(--text-dim);padding:4px 9px;border-radius:6px;font-size:11px;pointer-events:none;border:1px solid var(--line)}.viz-wrap{flex:1 1 auto;min-height:0;position:relative;background:#aeb7c4}.viz-root{position:absolute;top:0;right:0;bottom:0;left:0}.viz-loading{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;color:var(--text-dim);font-size:14px}.viz-lost{position:absolute;top:0;right:0;bottom:0;left:0;z-index:20;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;background:#11141cdb;color:var(--text);font-size:14px}.viz-overlay{position:absolute;top:12px;left:12px;z-index:10;display:flex;align-items:center;gap:8px;background:#141821c7;border:1px solid var(--line);border-radius:10px;padding:8px 10px;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.viz-overlay .ghost-btn{background:#1b213099}.ghost-btn.active{color:#fff;border-color:var(--accent);background:var(--accent)}.viz-seg{display:inline-flex;border:1px solid var(--line);border-radius:8px;overflow:hidden}.viz-seg .seg-btn{border:none;background:#1b213099;color:var(--text-dim);font:inherit;font-size:13px;padding:6px 10px;cursor:pointer}.viz-seg .seg-btn+.seg-btn{border-left:1px solid var(--line)}.viz-seg .seg-btn:hover{color:var(--text)}.viz-seg .seg-btn.active{color:#fff;background:var(--accent)}.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:12px}.panel-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}.panel h3{margin:0;font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--text-dim)}.sub{margin:14px 0 6px;font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--text-dim)}.mini-btn{background:var(--panel-2);border:1px solid var(--line);color:var(--text);width:24px;height:24px;border-radius:6px;cursor:pointer;font-size:15px;line-height:1}.mini-btn:hover{border-color:var(--accent)}.level-list{display:flex;flex-direction:column;gap:5px}.level-row{display:flex;align-items:stretch;gap:5px;background:var(--panel-2);border:1px solid var(--line);border-radius:8px;padding:4px}.level-row.active{border-color:var(--accent);background:#243049}.level-item{display:flex;flex:1;flex-direction:column;align-items:flex-start;gap:2px;background:transparent;border:none;border-radius:6px;padding:4px 6px;cursor:pointer;text-align:left}.level-dup{align-self:center;width:24px;height:24px;flex-shrink:0}.level-name{color:var(--text);font-weight:600}.level-meta{color:var(--text-dim);font-size:11px}.kind-list{display:flex;flex-direction:column;gap:5px}.kind-item{display:flex;align-items:center;gap:9px;background:var(--panel-2);border:1px solid var(--line);border-radius:8px;padding:7px 9px;cursor:pointer;text-align:left}.kind-item.active{border-color:var(--accent);background:#243049}.kind-swatch{flex:0 0 auto;width:16px;height:16px;border-radius:4px;border:1px solid rgba(255,255,255,.18)}.kind-text{display:flex;flex-direction:column;gap:1px;min-width:0}.kind-label{color:var(--text);font-weight:600}.kind-desc{color:var(--text-dim);font-size:10.5px;line-height:1.25}.prop-group{margin-bottom:8px}.prop-group-label{margin:4px 0 6px;font-size:10.5px;text-transform:uppercase;letter-spacing:.06em;color:var(--text-dim)}.prop-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:5px}.prop-chip{display:flex;flex-direction:column;align-items:center;gap:3px;background:var(--panel-2);border:1px solid var(--line);border-radius:8px;padding:7px 4px;cursor:pointer}.prop-chip:hover{border-color:#3a4663}.prop-chip.active{border-color:var(--accent);background:#243049}.prop-icon{font-size:17px;line-height:1}.prop-name{font-size:10px;color:var(--text-dim);text-align:center;line-height:1.1}.bulk-nudge{display:flex;gap:6px;margin-bottom:10px}.bulk-nudge .ghost-btn{flex:1;padding:6px 0}.help-card ul{margin:0;padding-left:16px;color:var(--text-dim);line-height:1.8;font-size:12px}.help-card b{color:var(--text)}.field{display:flex;flex-direction:column;gap:4px;margin-bottom:10px;flex:1}.field-row{display:flex;gap:10px}.field-label{font-size:11px;color:var(--text-dim)}.field-hint{color:#6d7488;font-style:italic}.field-value{font-size:13px;color:var(--text)}.field.readonly{margin-bottom:10px}.txt,.num{width:100%}.hint-note{font-size:11px;color:var(--text-dim);line-height:1.5;margin:10px 0 0}.edge-walls{display:flex;flex-wrap:wrap;gap:6px}.edge-wall-btn{min-width:26px;height:26px;padding:0 6px;border-radius:6px;border:1px solid #1a4a44;background:#2dd4bf;color:#0f2e2a;font-size:12px;font-weight:600;cursor:pointer}.edge-wall-btn.open{background:transparent;border:1px dashed #2dd4bf;color:#2dd4bf}.danger-btn{margin-top:14px;width:100%;background:transparent;border:1px solid var(--danger);color:var(--danger);border-radius:8px;padding:8px;cursor:pointer}.danger-btn:hover{background:#e0556b1f}.share-banner{display:flex;align-items:center;gap:14px;padding:8px 14px;background:linear-gradient(180deg,#243049,#1d2740);border-bottom:1px solid var(--line);flex:0 0 auto;z-index:4}.share-banner-text{color:var(--text);font-size:13px}.share-banner .primary-btn{margin-left:auto}.rail-fieldset{border:0;margin:0;padding:0;min-width:0;display:contents}.rail-fieldset[disabled]{opacity:.85}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#080a1099;display:flex;align-items:center;justify-content:center;z-index:50}.modal{width:min(520px,calc(100vw - 32px));background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px 18px;box-shadow:0 18px 50px #00000073}.modal-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.modal-head h3{margin:0;font-size:15px}.modal-warn{color:var(--accent-2);font-size:13px;line-height:1.5;margin:4px 0 0}.share-row{display:flex;gap:8px;align-items:center}.share-url{flex:1 1 auto;font-family:ui-monospace,SF Mono,Menlo,monospace;font-size:12px}