:root{--bg: #0f1115;--panel: #171a21;--panel-2: #1f232c;--line: #2a2f3a;--ink: #e8ebf0;--muted: #9aa3b2;--accent: #2b6cb0;--accent-2: #38bdf8;--ok: #22c55e;--warn: #f59e0b;--danger: #ef4444;--radius: 10px;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif}*{box-sizing:border-box}html,body{margin:0;height:100%;background:var(--bg);color:var(--ink)}#app{height:100%}a{color:var(--accent-2);text-decoration:none}button{font:inherit;cursor:pointer}input,select,textarea{font:inherit;background:var(--panel-2);color:var(--ink);border:1px solid var(--line);border-radius:8px;padding:9px 11px;width:100%}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--accent)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:9px 16px;border-radius:8px;border:1px solid var(--line);background:var(--panel-2);color:var(--ink);transition:.15s}.btn:hover{border-color:var(--accent)}.btn-primary{background:var(--accent);border-color:var(--accent);color:#fff}.btn-primary:hover{filter:brightness(1.1)}.btn-ghost{background:transparent}.btn-danger{color:var(--danger);border-color:var(--danger);background:transparent}.btn-sm{padding:6px 10px;font-size:.85rem}.btn:disabled{opacity:.5;cursor:not-allowed}.topbar{display:flex;align-items:center;justify-content:space-between;padding:12px 20px;border-bottom:1px solid var(--line);background:var(--panel)}.topbar .brand{font-weight:800;letter-spacing:.04em}.topbar .brand b{color:var(--accent)}.topbar nav{display:flex;gap:14px;align-items:center}.topbar .muted{color:var(--muted);font-size:.9rem}.center-wrap{display:flex;align-items:center;justify-content:center;height:100%}.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:28px;width:min(420px,92vw)}.card h1{margin:0 0 6px;font-size:1.4rem}.card p.sub{color:var(--muted);margin:0 0 20px;font-size:.92rem}.field{margin-bottom:14px}.field label{display:block;font-size:.82rem;color:var(--muted);margin-bottom:6px}.msg{font-size:.85rem;margin-top:12px;min-height:1em}.msg.err{color:var(--danger)}.msg.ok{color:var(--ok)}.editor{display:grid;grid-template-columns:280px 1fr 300px;grid-template-rows:48px 1fr;height:100%}.editor .etop{grid-column:1 / 4;display:flex;align-items:center;gap:10px;padding:0 16px;border-bottom:1px solid var(--line);background:var(--panel)}.editor .left,.editor .right{background:var(--panel);overflow-y:auto;padding:14px}.editor .left{border-right:1px solid var(--line)}.editor .right{border-left:1px solid var(--line)}.editor .stage{position:relative;background:#0b0d11}#three-canvas{width:100%;height:100%;display:block}.view-switch{display:flex;gap:4px;background:var(--panel-2);border:1px solid var(--line);border-radius:8px;padding:3px}.view-switch .vbtn{padding:5px 12px;font-size:.8rem;font-weight:600;border-radius:6px;cursor:pointer;color:var(--muted);-webkit-user-select:none;user-select:none}.view-switch .vbtn.active{background:var(--accent);color:#fff}.sub-head{font-size:.78rem;color:var(--muted);margin:10px 0 6px;font-weight:600}.panel-group{margin-bottom:18px}.panel-group h3{font-size:.8rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin:0 0 10px}.opt-row{display:flex;gap:8px;flex-wrap:wrap}.opt{flex:1 1 0;min-width:64px;text-align:center;padding:8px 4px;font-size:.78rem;border:1px solid var(--line);border-radius:8px;background:var(--panel-2)}.opt.active{border-color:var(--accent);background:#2b6cb02e;color:#fff}.swatch{width:22px;height:22px;border-radius:5px;border:1px solid var(--line);display:inline-block;vertical-align:middle;margin-right:6px}.loading{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:14px;background:#0b0d11;color:var(--muted);z-index:5}.spinner{width:42px;height:42px;border-radius:50%;border:3px solid var(--line);border-top-color:var(--accent);animation:spin .9s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.furniture-list{display:flex;flex-direction:column;gap:6px}.furniture-list .item{display:flex;align-items:center;justify-content:space-between;padding:8px 10px;border:1px solid var(--line);border-radius:8px;background:var(--panel-2);font-size:.85rem}.furniture-list .item.sel{border-color:var(--accent)}.furniture-list .item .x{color:var(--danger);cursor:pointer}.status-tag{display:inline-block;padding:3px 9px;border-radius:999px;font-size:.74rem;font-weight:600;border:1px solid var(--line);background:var(--panel-2)}.status-tag[data-status="New Visitor"]{color:#93c5fd;border-color:#93c5fd}.status-tag[data-status="DIY Completed"]{color:#c4b5fd;border-color:#c4b5fd}.status-tag[data-status="Inquiry Submitted"]{color:#fcd34d;border-color:#fcd34d}.status-tag[data-status=Quoted]{color:#fdba74;border-color:#fdba74}.status-tag[data-status=Deal]{color:#86efac;border-color:#86efac}.status-tag[data-status="On Hold"]{color:#fca5a5;border-color:#fca5a5}table.tbl{width:100%;border-collapse:collapse;font-size:.85rem}table.tbl th,table.tbl td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line)}table.tbl th{color:var(--muted);font-weight:600}.admin-wrap{padding:20px;overflow-y:auto;height:100%}.admin-wrap h2{margin-top:0}.tabs{display:flex;gap:8px;margin-bottom:16px}.tabs .tab{padding:8px 14px;border:1px solid var(--line);border-radius:8px;background:var(--panel-2);cursor:pointer}.tabs 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