:root{color-scheme:dark;--bg:#101318;--panel:#171b22;--line:#303743;--gold:#d9ad5f;--text:#f4f2ec;--muted:#a5afbd;--blue:#99c8fa}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:14px/1.45 system-ui,"Segoe UI",sans-serif}.topbar{height:72px;padding:10px 18px;display:flex;align-items:center;justify-content:space-between;background:#12161d;border-bottom:1px solid #252c36}.brand{display:flex;gap:10px;align-items:center;color:inherit;text-decoration:none}.brand-mark{width:42px;height:42px;border:1px solid var(--gold);display:grid;place-items:center;color:var(--gold);font:28px Georgia}.brand strong,.brand small{display:block}.brand strong{letter-spacing:.06em;font-size:13px}.brand small{color:var(--gold);font-size:11px}.badge{border:1px solid #6b572f;border-radius:4px;padding:7px 10px;color:#eac77f;font-size:10px;letter-spacing:.06em}main{min-height:calc(100vh - 72px)}.workspace{display:grid;grid-template-columns:minmax(340px,440px) minmax(0,1fr);min-height:calc(100vh - 72px)}.controls-panel{padding:18px;background:var(--panel);border-right:1px solid var(--line);overflow:auto;max-height:calc(100vh - 72px)}.panel-heading{display:flex;justify-content:space-between;align-items:center}.eyebrow{margin:0;color:var(--gold);font-weight:700;font-size:10px;letter-spacing:.13em}h1{font-size:20px;margin:3px 0 14px}.family-tabs{display:grid;grid-template-columns:repeat(4,1fr);gap:5px;margin-bottom:12px}.family-tabs button,.secondary{border:1px solid #39424f;border-radius:6px;background:#11161d;color:var(--text);padding:10px 6px;font-size:11px;font-weight:700;cursor:pointer}.family-tabs button[aria-pressed=true]{border-color:var(--gold);color:#f4cf82;background:#28241c}.family-options{display:grid;grid-template-columns:1fr 1fr;gap:8px}.field{display:grid;gap:4px;margin:8px 0;min-width:0}.field label{font-size:11px;color:#c9d3df}.field small{font-size:10px;color:#8090a3}.field input,.field select{width:100%;background:#0f1319;border:1px solid #35404c;border-radius:5px;color:var(--text);padding:8px;font:inherit}.field input[type=checkbox]{width:auto;accent-color:var(--gold)}.field.check{display:flex;align-items:center;gap:8px}.controls-form{margin-top:12px;display:grid;grid-template-columns:1fr 1fr;gap:0 10px}.form-actions{position:sticky;bottom:-18px;background:linear-gradient(transparent,var(--panel) 18%);display:flex;gap:8px;padding:18px 0 6px}.primary{flex:1;border:0;border-radius:6px;background:var(--gold);color:#1c1a15;padding:11px;font-weight:800;cursor:pointer}.primary:disabled{opacity:.55;cursor:wait}.notice{font-size:10px;color:#e4bf74;border-left:2px solid var(--gold);padding:8px 10px;background:#201e1a}.viewport-panel{min-width:0;display:flex;flex-direction:column;background:#eeece5;color:#171a1d}.viewport-head{height:42px;background:#11151b;color:#cbd3dc;padding:0 14px;display:flex;justify-content:space-between;align-items:center;font-size:10px;letter-spacing:.04em}.viewport-head #status{color:var(--blue);letter-spacing:0}.viewport{position:relative;flex:1;min-height:420px;overflow:hidden}.viewport canvas{display:block;width:100%;height:100%}.empty-state{position:absolute;inset:0;display:grid;place-items:center;color:#717982;pointer-events:none}.viewport-foot{min-height:58px;padding:8px 14px;background:#14191f;color:#d3d9e0}.metrics{display:flex;gap:18px;flex-wrap:wrap;font-size:11px}.metrics span{color:var(--gold)}.hint{display:block;color:#8491a0;font-size:10px;margin-top:4px}@media(max-width:900px){.workspace{grid-template-columns:1fr}.controls-panel{max-height:none;border-right:0;border-bottom:1px solid var(--line)}.viewport{min-height:55vh}.viewport-panel{min-height:65vh}}@media(max-width:480px){.topbar{height:auto;min-height:66px;padding:8px}.badge{font-size:8px}.workspace{min-height:unset}.family-tabs{grid-template-columns:repeat(2,1fr)}.controls-form{grid-template-columns:1fr}.viewport{min-height:48vh}.viewport-foot{padding:8px}}