:root { --fg: #1b1f24; --muted: #57606a; --line: #d0d7de; --accent: #0b5cad; --bad: #b42318; --good: #1a7f37; }
* { box-sizing: border-box; }
body { margin: 0; font: 15px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif; color: var(--fg); background: #fff; }
header { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px;
         padding: 12px 16px; border-bottom: 1px solid var(--line); }
h1 { font-size: 18px; margin: 0; }
.tag { font-size: 12px; color: var(--muted); border: 1px solid var(--line); border-radius: 10px; padding: 1px 8px; }
nav { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
nav a { color: var(--accent); text-decoration: none; }
main { max-width: 860px; margin: 0 auto; padding: 16px; }
section h2 { font-size: 20px; margin-top: 8px; }
.note { color: var(--muted); }
label { display: block; margin: 10px 0; }
input, textarea, select { display: block; width: 100%; margin-top: 4px; padding: 8px; border: 1px solid var(--line);
                          border-radius: 6px; font: inherit; }
textarea { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 13px; }
button { padding: 8px 14px; border: 1px solid var(--accent); background: var(--accent); color: #fff; border-radius: 6px;
         font: inherit; cursor: pointer; }
nav button { background: #fff; color: var(--accent); }
table { width: 100%; border-collapse: collapse; margin: 8px 0; font-size: 14px; }
th, td { text-align: left; padding: 6px; border-bottom: 1px solid var(--line); vertical-align: top; }
td:first-child { white-space: nowrap; }
code { font-size: 13px; word-break: break-all; }
pre { white-space: pre-wrap; word-break: break-all; background: #f6f8fa; padding: 12px; border-radius: 6px; }
.error { color: var(--bad); }
.pass { color: var(--good); }
.fail { color: var(--bad); }
details { margin: 10px 0; }