:root{--bg: #f5f7f9;--surface: #ffffff;--ink: #171b22;--muted: #5f6975;--line: #d9dee4;--accent: #0f5c7a;--danger: #b3382f;font-family:IBM Plex Sans,Segoe UI,Helvetica,Arial,sans-serif;color-scheme:light dark}@media(prefers-color-scheme:dark){:root{--bg: #12151a;--surface: #1a1f26;--ink: #e6e9ed;--muted: #98a2ae;--line: #2b323b;--accent: #5fb3d3;--danger: #e0736a}}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-size:15px;line-height:1.5}.page{max-width:760px;margin:0 auto;padding:32px 24px}.masthead{display:flex;align-items:baseline;gap:12px;margin-bottom:20px}.brand{font-weight:600;font-size:18px}.env{font-family:IBM Plex Mono,Consolas,monospace;font-size:12px;color:var(--muted);letter-spacing:.04em}.card{background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:24px 28px}h1{font-size:20px;margin:0 0 16px}dl{display:grid;grid-template-columns:max-content 1fr;gap:8px 20px;margin:0 0 16px}dt{color:var(--muted)}dd{margin:0}code{font-family:IBM Plex Mono,Consolas,monospace;font-size:.9em;background:color-mix(in srgb,var(--line) 50%,transparent);padding:1px 5px;border-radius:3px}.muted{color:var(--muted);font-size:13.5px;margin:0}.err{color:var(--danger)}