:root{--bg:#f3f4f6;--panel:#fff;--border:#dde1e7;--text:#1f2430;--muted:#6b7280;--accent:#2f6fed;--accent-soft:#e6eefe;--danger:#c2410c;--error:#dc2626;--warning:#b45309;--wall:#9aa3b0;--divider:#4b5563;--cell:#eef1f5;color:var(--text);background:var(--bg);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;font-size:14px}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}.app{grid-template:"toolbar toolbar""sidebar views"1fr/340px 1fr;height:100%;display:grid}.toolbar{background:var(--panel);border-bottom:1px solid var(--border);flex-wrap:wrap;grid-area:toolbar;align-items:center;gap:16px;padding:8px 16px;display:flex}.toolbar h1{margin:0 auto 0 0;font-size:16px}.toolbar-group{gap:6px;display:flex}button{font:inherit;border:1px solid var(--border);background:var(--panel);color:var(--text);cursor:pointer;border-radius:6px;padding:6px 12px}button:hover:not(:disabled){border-color:var(--accent)}button:disabled{opacity:.45;cursor:not-allowed}button.primary{background:var(--accent);border-color:var(--accent);color:#fff;font-weight:600}button.danger{color:var(--danger)}button.link{color:var(--muted);background:0 0;border:none;padding:4px 0;text-decoration:underline}.segmented{gap:0!important}.segmented button{border-radius:0;flex:1}.segmented button:first-child{border-radius:6px 0 0 6px}.segmented button:last-child{border-radius:0 6px 6px 0;margin-left:-1px}.segmented button.active{background:var(--accent-soft);border-color:var(--accent);color:var(--accent);position:relative}.sidebar{border-right:1px solid var(--border);flex-direction:column;grid-area:sidebar;gap:12px;padding:12px;display:flex;overflow-y:auto}.panel{background:var(--panel);border:1px solid var(--border);border-radius:8px;flex-direction:column;gap:8px;padding:12px;display:flex}.panel h2{margin:0;font-size:15px}.panel h3{text-transform:uppercase;letter-spacing:.04em;color:var(--muted);margin:6px 0 0;font-size:12px}.block{border-top:1px solid var(--border);flex-direction:column;gap:8px;padding-top:8px;display:flex}.row{gap:6px;display:flex}.row>*{flex:1}.grid3{grid-template-columns:repeat(3,1fr);gap:6px;display:grid}.hint{color:var(--muted);margin:0;font-size:12px}.dims{font-variant-numeric:tabular-nums;margin:0;font-size:16px;font-weight:600}.issue{border-radius:6px;margin:0;padding:6px 8px;font-size:12px}.issue.error{color:var(--error);background:#fdecec}.issue.warning{color:var(--warning);background:#fdf4e3}.field{flex-direction:column;gap:3px;min-width:0;display:flex}.field-label{color:var(--muted);font-size:12px}.field-input{border:1px solid var(--border);background:#fff;border-radius:6px;align-items:center;padding-right:6px;display:flex}.field-input:focus-within{border-color:var(--accent);box-shadow:0 0 0 2px var(--accent-soft)}.field-input.invalid{border-color:var(--error)}.field-input input{font:inherit;font-variant-numeric:tabular-nums;background:0 0;border:none;outline:none;width:100%;min-width:0;padding:6px 8px}.slider-row{align-items:center;gap:10px;display:flex}.slider{min-width:0;accent-color:var(--accent);cursor:pointer;flex:1}.field-input.compact{flex:0 0 84px}.unit{color:var(--muted);font-size:12px}.views{grid-area:views;min-height:0;padding:12px;display:flex}.viewer{background:var(--panel);border:1px solid var(--border);touch-action:none;border-radius:8px;flex:1;min-height:0;position:relative;overflow:hidden}.viewer-overlay{align-items:center;gap:6px;display:flex;position:absolute;top:8px;right:8px}.viewer-hint{width:fit-content;max-width:calc(100% - 16px);color:var(--muted);border:1px solid var(--border);pointer-events:none;background:#ffffffd9;border-radius:6px;margin:0;padding:4px 10px;font-size:12px;position:absolute;bottom:8px;left:8px;right:8px}.badge{border:1px solid var(--border);color:var(--muted);background:#ffffffd9;border-radius:999px;padding:3px 10px;font-size:12px}.badge.error{color:var(--error)}.scene-overlay{pointer-events:none;position:absolute;inset:0;overflow:hidden}.anchored{visibility:hidden;position:absolute;top:0;left:0}.cell-label{pointer-events:none;white-space:nowrap;font-variant-numeric:tabular-nums;color:var(--text);-webkit-user-select:none;user-select:none;background:#ffffffbf;border-radius:4px;padding:1px 5px;font-size:11px}.cell-label.selected{background:var(--accent);color:#fff}.add-wall{pointer-events:auto;z-index:2;background:var(--accent);color:#fff;border:2px solid #fff;border-radius:50%;width:24px;height:24px;padding:0;font-size:17px;font-weight:700;line-height:18px;transition:box-shadow .12s;box-shadow:0 1px 4px #0000004d}.add-wall:hover:not(:disabled){box-shadow:0 0 0 3px var(--accent-soft), 0 1px 4px #0000004d;border-color:#fff}@media (width<=760px){.app{grid-template:"toolbar""views"70vh"sidebar"/1fr;height:auto}}