:root{--bg:#0a0a0a;--bg-2:#141414;--fg:#e8e8e8;--fg-dim:#888;--accent:#fff;--border:#222;--error:#ff6b6b;font-family:JetBrains Mono,SF Mono,Menlo,Consolas,monospace}*{box-sizing:border-box}body{background:var(--bg);color:var(--fg);min-height:100vh;margin:0}.mono{font-family:inherit}.topbar{border-bottom:1px solid var(--border);padding:16px 24px}.brand-name{font-weight:600}.brand-sub{color:var(--fg-dim);margin-left:8px}.grid{grid-template-columns:1fr 1.4fr;gap:16px;min-height:calc(100vh - 60px);padding:16px 24px;display:grid}.pane{flex-direction:column;gap:8px;display:flex}.pane-header{color:var(--fg-dim);justify-content:space-between;align-items:baseline;font-size:13px;display:flex}.model-indicator,.loading-indicator{color:var(--fg-dim);font-size:12px}textarea#tools{background:var(--bg-2);min-height:400px;color:var(--fg);border:1px solid var(--border);resize:none;border-radius:4px;flex:1;padding:12px;font-size:13px}input#query{background:var(--bg-2);color:var(--fg);border:1px solid var(--border);border-radius:4px;padding:10px 12px;font-size:14px}.result-pane{background:var(--bg-2);border:1px solid var(--border);white-space:pre-wrap;word-break:break-word;border-radius:4px;flex:1;margin:0;padding:12px;font-size:13px;overflow:auto}.result-pane.error{color:var(--error)}.examples{flex-wrap:wrap;gap:8px;display:flex}.example-chip{color:var(--fg);border:1px solid var(--border);cursor:pointer;background:0 0;border-radius:999px;padding:4px 12px;font-size:12px;transition:opacity .12s ease-in-out}.example-chip:hover:not(:disabled){background:var(--bg-2)}.example-chip:disabled,input#query:disabled,textarea#tools:disabled{opacity:.4;cursor:not-allowed}.loading-indicator.busy{animation:1.2s ease-in-out infinite pulse}@keyframes pulse{0%,to{opacity:.55}50%{opacity:1}}.error-inline{color:var(--error);margin-top:4px;font-size:12px}