:root{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--bg:#0b0b10;--panel:#16161f;--border:#2a2a38;--fg:#e6e6f0;--muted:#9a9aac;--accent:#4ea1ff}*{box-sizing:border-box}body{background:var(--bg);color:var(--fg);margin:0;padding:16px;font:14px/1.4 system-ui,-apple-system,sans-serif}h1{margin:0 0 12px;font-size:20px}h2{margin:0 0 8px;font-size:15px}#app{color:var(--muted);margin-bottom:12px;font-size:12px}.config-bar{background:var(--panel);border:1px solid var(--border);border-radius:8px;flex-wrap:wrap;align-items:flex-end;gap:12px;margin-bottom:16px;padding:12px;display:flex}.field{color:var(--muted);flex-direction:column;gap:4px;font-size:12px;display:flex}.field select,.field input{color:var(--fg);border:1px solid var(--border);font:inherit;background:#0e0e14;border-radius:6px;padding:6px 8px}.n-input{width:90px}.config-status{color:var(--muted);align-self:center;font-size:12px}.blocks{grid-template-columns:repeat(auto-fit,minmax(360px,1fr));gap:16px;margin-bottom:16px;display:grid}.test-block{background:var(--panel);border:1px solid var(--border);border-radius:8px;padding:12px}.test-controls{flex-wrap:wrap;align-items:flex-end;gap:8px;margin-bottom:8px;display:flex}.test-desc{color:var(--muted);margin:0 0 8px;font-size:12px;line-height:1.45}button{color:var(--fg);border:1px solid var(--border);font:inherit;cursor:pointer;background:#23233a;border-radius:6px;padding:6px 12px}button:hover:not(:disabled){border-color:var(--accent)}button:disabled{opacity:.45;cursor:not-allowed}.test-status{color:var(--muted);min-height:16px;font-size:12px}.test-status.error{color:#ff6b6b}.test-display{margin-top:8px}.test-display:empty{display:none}.test-display iframe{border:1px solid var(--border);border-radius:6px;max-width:100%}td.runtime-cell{text-align:left;color:var(--muted);font-family:ui-monospace,SFMono-Regular,Menlo,monospace}.sweep-chart{border:1px solid var(--border);border-radius:6px;margin-top:8px;display:block}.results{background:var(--panel);border:1px solid var(--border);border-radius:8px;padding:12px}.results-header{align-items:center;gap:12px;margin-bottom:8px;display:flex}.results-header h2{margin:0}.results-caption,.results-legend{color:var(--muted);margin:0 0 8px;font-size:12px}.results-table-wrap{overflow-x:auto}table{border-collapse:collapse;width:100%;font-size:12px}th,td{border:1px solid var(--border);text-align:right;white-space:nowrap;padding:4px 8px}th{color:var(--muted);background:#0e0e14;position:sticky;top:0}td:first-child,th:first-child,td:nth-child(2),td:nth-child(3),td:nth-child(4){text-align:left}td.empty{text-align:center;color:var(--muted)}.about{background:var(--panel);border:1px solid var(--border);border-radius:8px;margin-bottom:16px;padding:12px 16px}.about>summary{cursor:pointer;color:var(--fg);font-size:15px;font-weight:600;list-style-position:inside}.about[open]>summary{margin-bottom:8px}.about h3{text-transform:uppercase;letter-spacing:.04em;color:var(--accent);margin:16px 0 4px;font-size:13px}.about p{color:var(--fg);max-width:100ch;margin:6px 0}.about p.about-lead{color:var(--fg)}.about ul{max-width:100ch;margin:4px 0;padding-left:20px}.about li{color:var(--muted);margin:3px 0}.about li strong{color:var(--fg)}.about code{border:1px solid var(--border);background:#0e0e14;border-radius:4px;padding:0 4px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px}