:root{color-scheme:light;--bg: #f6f7f9;--card: #ffffff;--text: #16181d;--muted: #5f6672;--border: #e2e5ea;--border-strong: #c3c8d0;--track: #eef0f3;--node-bg: #ffffff;--accent: #4f46e5;--pos: #2563eb;--neg: #e5484d;--ok: #15803d;--ok-bg: #ecfdf3;--bad: #c62828;--bad-bg: #fdecec}@media(prefers-color-scheme:dark){:root{color-scheme:dark;--bg: #0f1115;--card: #171a21;--text: #e8eaee;--muted: #9aa1ad;--border: #2a2f39;--border-strong: #3c4350;--track: #222631;--node-bg: #171a21;--accent: #8b85ff;--pos: #5b9cff;--neg: #ff6b6f;--ok: #4ade80;--ok-bg: #12261a;--bad: #ff7b7b;--bad-bg: #2d1618}}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;font-size:15px;line-height:1.4}h2{margin:0;font-size:16px}code{font-family:ui-monospace,SF Mono,Menlo,monospace;font-size:.92em}.card{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:16px}.card-head{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px;margin-bottom:12px}button,.button{display:inline-flex;align-items:center;padding:7px 14px;border:1px solid var(--border-strong);border-radius:8px;background:var(--card);color:var(--text);font:inherit;font-size:14px;font-weight:500;cursor:pointer}button:hover:not(:disabled),.button:hover:not(.disabled){border-color:var(--text)}button:disabled,.button.disabled{opacity:.5;cursor:not-allowed}button.primary{background:var(--accent);border-color:var(--accent);color:#fff}button.chip{padding:4px 10px;font-size:13px;border-radius:999px}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.field{display:grid;gap:4px;font-size:13px;font-weight:500}.field small{font-weight:400;color:var(--muted)}.field input{width:100%;padding:8px 10px;border:1px solid var(--border-strong);border-radius:8px;background:var(--card);color:var(--text);font:inherit;font-size:15px;font-variant-numeric:tabular-nums}.field input.invalid{border-color:var(--bad)}.error{min-height:1.3em;margin:4px 0 8px;font-size:12px;color:var(--bad)}