:root{--bg: #1e1f24;--panel: #26272e;--panel-border: #3a3b44;--text: #e6e6ea;--muted: #9a9ba6;--accent: #4f8cff;--accent-soft: rgba(79, 140, 255, .18)}*{box-sizing:border-box}html,body{margin:0;height:100%;background:var(--bg);color:var(--text);font:14px/1.4 -apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;overflow:hidden}#app{display:grid;grid-template-columns:300px 1fr;height:100vh}#sidebar{background:var(--panel);border-right:1px solid var(--panel-border);display:flex;flex-direction:column;overflow-y:auto}.sidebar-header{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;border-bottom:1px solid var(--panel-border)}.sidebar-header h1{margin:0;font-size:16px;font-weight:600;letter-spacing:.02em}.open-btn{cursor:pointer;border:none;font:inherit;padding:6px 10px;border-radius:6px;background:var(--accent);color:#fff;font-size:13px;font-weight:500;-webkit-user-select:none;user-select:none}.open-btn:hover{filter:brightness(1.1)}.object-list{list-style:none;margin:0;padding:8px;-webkit-user-select:none;user-select:none}#sidebar{overflow:visible;position:relative;z-index:2}#sidebar .object-list{flex:1;min-height:0;overflow-y:auto}#sidebar .object-list:empty{flex:0;padding:0}.object-item{display:grid;grid-template-columns:12px minmax(0,1fr) auto auto;align-items:start;gap:0 10px;padding:10px;border-radius:8px;cursor:pointer}.object-item:hover{background:#ffffff0a}.object-item.selected{background:var(--accent-soft)}.object-swatch{flex:none;width:12px;height:12px;margin-top:4px;border-radius:3px}.object-meta{flex:1;min-width:0}.object-name{font-weight:500;word-break:break-all}.object-dims{margin-top:3px;color:var(--muted);font-variant-numeric:tabular-nums;font-size:13px}.object-dims .axis{color:var(--muted);opacity:.7}.object-btn{flex:none;display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px;background:none;border:none;color:var(--muted);cursor:pointer;font-size:16px;line-height:1;padding:0;border-radius:4px}.object-btn:hover{color:#fff;background:#ffffff1a}.object-eye[aria-pressed=true]{color:var(--text)}.object-item.hidden-object .object-meta,.object-item.hidden-object .cost-grid{opacity:.45}.object-warn{margin-top:3px;color:#f2c14f;font-size:12px}.cost-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;font-size:12px;font-variant-numeric:tabular-nums}.cost-grid[hidden]{display:none}.object-item>.cost-grid{grid-column:2 / -1;margin-top:6px}.cost-cell{min-width:0;cursor:help}.cost-kind{color:var(--muted);font-size:10px;font-weight:600;letter-spacing:.05em;text-transform:uppercase;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.cost-value{white-space:nowrap}.cost-max{color:var(--muted);white-space:nowrap}.cost-summary{padding:10px 16px 12px;border-top:1px solid var(--panel-border)}.cost-summary-head{display:flex;align-items:center;justify-content:space-between;gap:8px}.cost-summary-title{font-weight:600;font-size:13px}.cost-summary .icon-btn[data-tip]:after{top:auto;bottom:calc(100% + 6px);left:auto;right:0}.cost-grid-total{margin-top:8px}.cost-grid-total .cost-value{font-size:14px;font-weight:600}.label-layer{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none;overflow:hidden}.dim-label{padding:2px 7px;border-radius:5px;background:#1e1f24d9;border:1px solid var(--panel-border);color:var(--text);font-size:12px;font-variant-numeric:tabular-nums;white-space:nowrap}.dim-axis{color:var(--muted);margin-right:4px;font-weight:600}.empty-hint{margin:0;padding:16px;color:var(--muted)}.empty-hint code{color:var(--text)}#viewport{position:relative;overflow:hidden}#canvas{display:block;width:100%;height:100%}.drop-overlay{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;background:#4f8cff1f;border:3px dashed var(--accent);pointer-events:none;z-index:10}.drop-overlay[hidden]{display:none}.drop-overlay-inner{padding:16px 28px;background:var(--panel);border-radius:10px;font-size:18px;font-weight:500}.loading{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;background:#1e1f248c;z-index:5;pointer-events:none}.loading[hidden]{display:none}.loading-text{padding:6px 14px;background:var(--panel);border:1px solid var(--panel-border);border-radius:8px}.spinner{width:44px;height:44px;border-radius:50%;border:4px solid rgba(255,255,255,.15);border-top-color:var(--accent);animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.reset-view{position:absolute;bottom:16px;left:50%;transform:translate(-50%);padding:7px 14px;background:var(--panel);border:1px solid var(--panel-border);border-radius:8px;color:var(--text);font:inherit;font-size:13px;cursor:pointer;z-index:5}.reset-view:hover{border-color:var(--accent);background:#2c2e36}.toolbar{display:flex;flex-direction:column;gap:8px;padding:10px 16px;border-bottom:1px solid var(--panel-border)}.toolbar-row{display:flex;align-items:center;gap:6px;flex-wrap:wrap}:root{--axis-x: #ff5a5a;--axis-y: #5ddb6b;--axis-z: #5a8cff}.axis-x{color:var(--axis-x)}.axis-y{color:var(--axis-y)}.axis-z{color:var(--axis-z)}.icon-btn.axis-x{border-color:color-mix(in srgb,var(--axis-x) 45%,transparent)}.icon-btn.axis-y{border-color:color-mix(in srgb,var(--axis-y) 45%,transparent)}.icon-btn.axis-z{border-color:color-mix(in srgb,var(--axis-z) 45%,transparent)}.icon-btn.axis-x:hover:not(:disabled){border-color:var(--axis-x);background:color-mix(in srgb,var(--axis-x) 15%,#33353e)}.icon-btn.axis-y:hover:not(:disabled){border-color:var(--axis-y);background:color-mix(in srgb,var(--axis-y) 15%,#33353e)}.icon-btn.axis-z:hover:not(:disabled){border-color:var(--axis-z);background:color-mix(in srgb,var(--axis-z) 15%,#33353e)}.icon-btn{position:relative;display:inline-flex;align-items:center;justify-content:center;width:32px;height:30px;padding:0;background:#33353e;border:1px solid var(--panel-border);border-radius:6px;color:var(--text);cursor:pointer}.icon-btn:hover:not(:disabled){border-color:var(--accent)}.icon-btn:disabled{opacity:.4;cursor:default}.icon-btn-danger:hover:not(:disabled){border-color:#e5534b;color:#ff8a80}.icon-btn>span{display:inline-flex}.icon-btn>span[hidden]{display:none}.icon-btn[data-tip]:after{content:attr(data-tip);position:absolute;top:calc(100% + 6px);left:0;padding:4px 8px;background:#0f1014;border:1px solid var(--panel-border);border-radius:5px;color:var(--text);font-size:12px;font-weight:400;white-space:nowrap;opacity:0;pointer-events:none;transition:opacity .12s .25s;z-index:20}.icon-btn[data-tip]:hover:after,.icon-btn[data-tip]:focus-visible:after{opacity:1}:root{--save: #3ec06a}.icon-btn-save{color:var(--save);border-color:color-mix(in srgb,var(--save) 50%,transparent)}.icon-btn-save:hover:not(:disabled){border-color:var(--save);background:color-mix(in srgb,var(--save) 15%,#33353e)}.toolbar-btn-save{background:var(--save);border-color:var(--save);color:#0c1a10;font-weight:600}.toolbar-btn-save:disabled{opacity:.4;cursor:default}.save-list{list-style:none;margin:0 0 12px;padding:0;max-height:220px;overflow-y:auto;border:1px solid var(--panel-border);border-radius:8px}.save-list li{display:flex;justify-content:space-between;gap:12px;padding:7px 10px;border-bottom:1px solid var(--panel-border);font-size:13px}.save-list li:last-child{border-bottom:none}.save-list .save-name{word-break:break-all}.save-list .save-status{flex:none;color:var(--save);font-size:12px}.save-list li.skipped{opacity:.55}.save-list li.skipped .save-status{color:var(--muted)}.dialog-warning{margin:0;padding:8px 10px;border-radius:6px;background:#e5534b1f;border:1px solid rgba(229,83,75,.4);color:#ffb4ae;font-size:12px;line-height:1.5}.dialog{max-width:440px}.dialog.dialog-wide{max-width:min(860px,calc(100vw - 32px));max-height:calc(100vh - 32px);overflow-y:auto}.toast{position:absolute;bottom:60px;left:50%;transform:translate(-50%);padding:8px 14px;background:var(--panel);border:1px solid var(--save);border-radius:8px;font-size:13px;z-index:6}.toast[hidden]{display:none}.toolbar-sep{width:1px;height:20px;background:var(--panel-border);margin:0 2px}.dialog-options{display:flex;flex-direction:column;gap:8px;margin-bottom:12px;font-size:13px}.check{display:flex;align-items:center;gap:8px;cursor:pointer}.check input{accent-color:var(--accent)}.select-row{display:flex;align-items:center;gap:8px;color:var(--muted)}.select-row select{flex:1;padding:5px 8px;background:#1e1f24;border:1px solid var(--panel-border);border-radius:6px;color:var(--text);font:inherit}.dialog-result{margin:12px 0 0;color:var(--muted);font-size:12px;font-variant-numeric:tabular-nums}.toolbar-btn-primary{background:var(--accent);border-color:var(--accent);color:#fff}.dialog{background:var(--panel);color:var(--text);border:1px solid var(--panel-border);border-radius:12px;padding:20px 22px;min-width:280px;box-shadow:0 20px 60px #00000080}.dialog::backdrop{background:#00000073}.dialog h2{margin:0 0 4px;font-size:16px}.dialog-hint{margin:0 0 14px;color:var(--muted);font-size:12px}.fields{display:flex;flex-direction:column;gap:8px}.field{display:grid;grid-template-columns:24px 1fr 16px;align-items:center;gap:8px}.axis-tag{font-weight:700}.field input{width:100%;padding:6px 8px;background:#1e1f24;border:1px solid var(--panel-border);border-radius:6px;color:var(--text);font:inherit;font-variant-numeric:tabular-nums}.field input:focus{outline:none;border-color:var(--accent)}.unit{color:var(--muted)}.dialog-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:16px}.toolbar-btn{padding:5px 9px;background:#33353e;border:1px solid var(--panel-border);border-radius:6px;color:var(--text);font:inherit;font-size:13px;cursor:pointer}.toolbar-btn:hover:not(:disabled){border-color:var(--accent)}.toolbar-btn:disabled{opacity:.4;cursor:default}.toolbar-btn-danger:hover:not(:disabled){border-color:#e5534b;color:#ff8a80}.sel-count{margin-left:auto;color:var(--muted);font-size:12px}.sidebar-footer{margin-top:auto;padding:12px 16px;border-top:1px solid var(--panel-border);color:var(--muted);font-size:11px;line-height:1.7}kbd{padding:0 4px;border:1px solid var(--panel-border);border-bottom-width:2px;border-radius:3px;background:#2c2e36;color:var(--text);font:inherit;font-size:10px}.pricing-columns{display:grid;grid-template-columns:repeat(auto-fit,minmax(340px,1fr));gap:16px}.pricing-kind{min-width:0;margin:0;padding:10px 12px 12px;border:1px solid var(--panel-border);border-radius:8px}.pricing-kind legend{padding:0 6px;font-weight:600;font-size:13px}.material-table{width:100%;border-collapse:collapse;font-size:13px}.material-table th{padding:0 4px 6px;color:var(--muted);font-size:11px;font-weight:500;text-align:left}.material-table td{padding:2px 4px}.material-table td:first-child{width:22px}.material-table td:nth-child(n+3){width:72px}.material-table label{display:block;cursor:pointer}.material-table tr:has(input[type=radio]:checked) label{color:var(--accent);font-weight:600}.material-table input[type=radio]{margin:0;accent-color:var(--accent);cursor:pointer}.material-table input[type=number],.param input{width:100%;padding:3px 6px;background:#1e1f24;border:1px solid var(--panel-border);border-radius:5px;color:var(--text);font:inherit;font-size:13px;font-variant-numeric:tabular-nums}.material-table input:focus,.param input:focus{outline:none;border-color:var(--accent)}.material-table input:invalid,.param input:invalid{border-color:#e5534b}.param-fields{display:flex;flex-wrap:wrap;gap:8px 14px;margin-top:12px}.param{display:flex;align-items:center;gap:6px;color:var(--muted);font-size:12px;white-space:nowrap}.param input{width:62px}.param-note{margin:8px 0 0;color:var(--muted);font-size:11px}.param-currency{margin-top:14px}.dialog-actions-start{margin-right:auto}