:root{--bg: #15171c;--panel: #1f2229;--panel-2: #272b33;--border: #353a44;--text: #e6e8ec;--muted: #9aa1ad;--accent: #3b82f6;--danger: #ef4444}*{box-sizing:border-box}html,body,#root{margin:0;height:100%;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);font-size:14px}.app{display:flex;flex-direction:column;height:100vh}.loading{display:grid;place-items:center;height:100vh;color:var(--muted)}.toolbar{display:flex;align-items:center;gap:8px;padding:8px 12px;background:var(--panel);border-bottom:1px solid var(--border)}.toolbar .spacer{flex:1}.tabs{display:flex;gap:4px}.tabs button.active{background:var(--accent);color:#fff;border-color:var(--accent)}.draw-controls{display:flex;align-items:center;gap:8px}.main{flex:1;display:flex;min-height:0}.sidebar{width:280px;background:var(--panel);border-right:1px solid var(--border);overflow-y:auto;padding:12px}.viewport{flex:1;position:relative;min-width:0;isolation:isolate}.viewport canvas{display:block;width:100%;height:100%}.hint{position:absolute;bottom:10px;left:10px;background:#000a;padding:6px 10px;border-radius:6px;color:var(--muted);font-size:12px;pointer-events:none}button{background:var(--panel-2);color:var(--text);border:1px solid var(--border);border-radius:6px;padding:6px 10px;cursor:pointer}button:hover{border-color:#50586a}button:disabled{opacity:.45;cursor:not-allowed}button.primary{background:var(--accent);border-color:var(--accent);color:#fff}button.danger{color:var(--danger)}button.icon{padding:2px 6px}button.link{background:none;border:none;color:var(--text);padding:4px;text-align:left;cursor:pointer}input,select{background:var(--panel-2);color:var(--text);border:1px solid var(--border);border-radius:6px;padding:5px 7px}input[type=color]{padding:0;width:28px;height:26px}.cgroup{border-bottom:1px solid var(--border)}.cgroup-head{width:100%;display:flex;align-items:center;gap:8px;background:none;border:none;border-radius:0;padding:10px 4px;font-weight:600;font-size:14px;color:var(--text);cursor:pointer}.cgroup-head:hover{color:#fff}.cgroup-head .chev{transition:transform .12s;font-size:10px;color:var(--muted)}.cgroup-head .chev.open{transform:rotate(90deg)}.cgroup-body{padding:2px 4px 12px}.surface-rows{display:flex;flex-direction:column;gap:2px}.surface-row{display:flex;align-items:center;gap:8px;padding:3px 6px;border-radius:6px}.surface-row:hover{background:var(--panel-2)}.surface-row.active{outline:1px solid var(--accent)}.surface-row .link{flex:1;padding:2px}.surface-row .link.dim{color:var(--muted);text-decoration:line-through}.model-list{display:flex;flex-direction:column;gap:4px;margin-top:10px}.model-item{display:flex;align-items:center;gap:8px;background:var(--panel-2);border-radius:6px;padding:4px 8px}.model-item .link{flex:1}.object-list{display:flex;flex-direction:column;gap:4px}.object-item{display:flex;align-items:center;gap:6px;background:var(--panel-2);border-radius:6px;padding:2px 8px}.object-item.active{outline:1px solid var(--accent)}.object-item .link{flex:1}.material-list{display:flex;flex-direction:column;gap:2px}.material-row{display:grid;grid-template-columns:1fr 48px 56px;gap:6px;align-items:center;padding:3px 6px;border-radius:4px}.material-row>span:not(.link){text-align:right;font-variant-numeric:tabular-nums}.material-head{color:var(--muted);border-bottom:1px solid var(--border)}.material-total{border-top:1px solid var(--border);font-weight:600;margin-top:2px}.vis-toggle{display:flex;align-items:center;gap:5px;font-size:12px;color:var(--muted);cursor:pointer;-webkit-user-select:none;user-select:none}.view-error{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;text-align:center;padding:20px}.panel h3{margin:4px 0 10px}.form-row{display:flex;align-items:center;gap:6px;margin:6px 0}.form-row>input[type=text],.form-row>input:not([type]){flex:1}.muted{color:var(--muted)}.small{font-size:12px}.tile-list{margin-top:12px;display:flex;flex-direction:column;gap:10px}.tile-card{background:var(--panel-2);border:1px solid var(--border);border-radius:8px;padding:10px}.tile-card-head{display:flex;align-items:center;gap:8px}.tile-edit-btn{flex:1;display:flex;align-items:center;gap:8px;background:none;border:none;padding:2px 4px;border-radius:6px;cursor:pointer;text-align:left;color:var(--text)}.tile-edit-btn:hover{background:var(--panel)}.tile-edit-btn strong{flex:1}.tile-edit-btn .edit-hint{color:var(--muted);font-size:12px}.tile-inspector{width:320px;max-width:92vw}.tile-inspector-body{padding:14px;display:flex;flex-direction:column;gap:4px}.tile-inspector-body label{min-width:64px;color:var(--muted)}.tile-inspector-body .form-row>input[type=text],.tile-inspector-body .form-row>input:not([type]){flex:1}.thumbs{display:flex;flex-wrap:wrap;gap:6px;margin:8px 0}.thumb{width:44px;height:44px;object-fit:cover;border-radius:4px;border:1px solid var(--border)}.popup{position:absolute;top:16px;right:16px;width:240px;background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:12px;box-shadow:0 10px 30px #000a}.popup-head{display:flex;align-items:center;gap:8px;margin-bottom:10px}.popup-head strong{flex:1}.grid2{display:grid;grid-template-columns:1fr 80px;gap:6px 8px;align-items:center;margin-bottom:10px}.grid2 input{width:100%}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000b;display:grid;place-items:center;z-index:50}.modal{background:var(--panel);border:1px solid var(--border);border-radius:12px;max-width:95vw;max-height:92vh;overflow:hidden;display:flex;flex-direction:column}.modal-head{display:flex;align-items:center;gap:10px;padding:12px 14px;border-bottom:1px solid var(--border)}.modal-head strong{flex:1}.editor-body{display:flex;gap:0;min-height:0}.editor-side{width:280px;flex-shrink:0;padding:12px;overflow-y:auto;border-right:1px solid var(--border)}.editor-side h4{margin:14px 0 6px}.editor-side label{display:block;color:var(--muted);font-size:12px;margin-top:6px}.editor-side select,.editor-side>button{width:100%;margin-top:4px}.editor-canvas-wrap{padding:16px;display:grid;place-items:center;background:#0e0f12;overflow:auto;position:relative}.editor-menu{position:absolute;transform:translate(8px,-50%);z-index:5}.editor-canvas{background:#000;border-radius:6px;cursor:crosshair;touch-action:none}.seg{display:flex;gap:4px}.seg button{flex:1}.seg button.active{background:var(--accent);border-color:var(--accent);color:#fff}.sub-list{display:flex;flex-direction:column;gap:4px}.sub-item{display:flex;align-items:center;gap:6px;background:var(--panel-2);border-radius:6px;padding:2px 6px}.sub-item.active{outline:1px solid var(--accent)}.sub-item .link{flex:1}.pattern-controls{margin-top:8px}.resize-row{display:flex;gap:12px;align-items:center;margin:4px 0 6px}.pivot-grid{display:grid;grid-template-columns:repeat(3,16px);grid-template-rows:repeat(3,16px);gap:2px;background:var(--border);padding:2px;border-radius:4px;flex-shrink:0}.pivot-cell{width:16px;height:16px;padding:0;background:var(--panel-2);border:1px solid var(--border);border-radius:2px;cursor:pointer}.pivot-cell:hover{border-color:var(--accent)}.pivot-cell.active{background:var(--accent);border-color:var(--accent)}.resize-fields{display:flex;flex-direction:column;gap:4px}.resize-fields .form-row{margin:0}.panel+.panel{margin-top:18px;padding-top:14px;border-top:1px solid var(--border)}.room-list{margin-top:10px;display:flex;flex-direction:column;gap:4px}.room-item{display:flex;align-items:center;gap:8px;background:var(--panel-2);border-radius:6px;padding:4px 8px}.room-item .link{flex:1}.wall-len{background:#000a;color:#fff;font-size:11px;padding:1px 5px;border-radius:4px;white-space:nowrap;-webkit-user-select:none;user-select:none}.vertex-menu{background:var(--panel);border:1px solid var(--border);border-radius:6px;padding:4px;box-shadow:0 6px 18px #000a}.vertex-menu button{white-space:nowrap;color:var(--danger)}.color-field{display:inline-flex;align-items:center;gap:6px;flex-wrap:wrap}.color-swatches{display:inline-flex;align-items:center;gap:3px;flex-wrap:wrap}.color-swatches .swatch{width:18px;height:18px;border-radius:4px;padding:0;border:1px solid var(--border);cursor:pointer}.color-swatches .swatch.active{outline:2px solid var(--accent);outline-offset:1px}button.icon.small{padding:1px 5px;font-size:12px;line-height:1.3}.fav-row{display:flex;align-items:center;gap:6px;margin:6px 0}.fav-row .fav-name{flex:1}.swatch-lg{width:26px;height:26px;border-radius:6px;border:1px solid var(--border);display:inline-block}.tile-inspector-body hr.sep{border:none;border-top:1px solid var(--border);margin:10px 0}.fav-row .swatch{width:24px;height:24px}.lang-toggle{font-weight:600;min-width:34px}