:root{--bg:#12181a;--panel:#141b1eeb;--line:#ffffff17;--text:#eef2ee;--muted:#9aa7a2;--accent:#ffb300;--blue:#2f9bff;--radius:12px;color:var(--text);background:var(--bg);font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,sans-serif}*{box-sizing:border-box}html,body,#root{height:100%;margin:0;overflow:hidden}button,select,input{font:inherit;color:inherit}.app{grid-template-rows:56px 1fr;grid-template-columns:360px 1fr;height:100%;display:grid;position:relative}.app.bare{display:block}.app.bare .topbar,.app.bare .panel{display:none}.viewport{grid-area:2/2;min-height:0;position:relative}.app.bare .viewport,.app.bare>canvas,.app.bare>div{position:absolute;inset:0}.topbar{border-bottom:1px solid var(--line);background:#161e21;grid-column:1/-1;align-items:center;gap:16px;padding:0 16px;display:flex}.brand{letter-spacing:.2px;align-items:center;gap:10px;font-weight:700;display:flex}.rainbow{background:conic-gradient(from 270deg at 50% 100%, #e74c3c, #f39c12, #f1c40f, #2ecc71, #3498db, #8e44ad 180deg, transparent 0);border-radius:26px 26px 0 0;width:26px;height:14px}.tabs{background:#ffffff0d;border-radius:10px;gap:4px;padding:4px;display:flex}.tabs button{cursor:pointer;color:var(--muted);background:0 0;border:0;border-radius:7px;padding:6px 14px}.tabs button[aria-selected=true]{color:var(--text);background:#ffffff1f}.walk{border:1px solid var(--line);cursor:pointer;background:0 0;border-radius:9px;margin-left:auto;padding:7px 14px}.walk.on{background:var(--accent);color:#1a1a1a;border-color:#0000}.panel{background:var(--panel);border-right:1px solid var(--line);grid-area:2/1;overflow-y:auto}.panel-body{flex-direction:column;gap:12px;padding:16px;display:flex}.field{color:var(--muted);flex-direction:column;gap:6px;font-size:13px;display:flex}.field select,.field input{border:1px solid var(--line);color:var(--text);background:#0f1517;border-radius:8px;padding:8px 10px}.muted{color:var(--muted)}.small{font-size:12px}.card{border:1px solid var(--line);border-radius:var(--radius);background:#ffffff0a;padding:12px 14px}.card h3,.card h4{margin:0 0 6px}.card h3{font-size:16px}.card h4{text-transform:uppercase;letter-spacing:.6px;color:var(--muted);font-size:13px}.card p{margin:4px 0;font-size:14px;line-height:1.45}.card.selected{border-color:var(--blue)}.stepper{align-items:center;gap:10px;display:flex}.stepper button{border:1px solid var(--line);cursor:pointer;background:#ffffff0d;border-radius:10px;width:40px;height:40px;font-size:22px}.stepper button:disabled{opacity:.3;cursor:default}.step-label{text-align:center;flex:1;font-size:18px;font-weight:700}.slider{width:100%;accent-color:var(--accent)}.parts{flex-direction:column;gap:6px;margin:0;padding:0;font-size:14px;list-style:none;display:flex}.qty{min-width:28px;color:var(--accent);font-weight:700;display:inline-block}.toggles{flex-direction:column;gap:8px;font-size:14px;display:flex}.link{color:var(--blue);cursor:pointer;background:0 0;border:0;padding:0}.tag{color:#fff;white-space:nowrap;background:#000000b3;border-radius:6px;padding:2px 8px;font:12px ui-monospace,monospace}@media (width<=760px){.app{grid-template-rows:52px 1fr 42%;grid-template-columns:1fr}.viewport{grid-area:2/1}.panel{border-right:0;border-top:1px solid var(--line);grid-area:3/1}.brand{font-size:14px}}