:root {
  --bg: #ffffff;
  --fg: #111111;
  --muted: #6b6b6b;
  --line: #e6e6e6;
  --accent: #111111;
  --code-bg: #f6f6f6;
  --max: 660px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16.5px/1.75 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

.wrap { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 20px; }

a { color: inherit; text-decoration: underline; text-decoration-color: #c9c9c9; text-underline-offset: 2px; }
a:hover { text-decoration-color: currentColor; }

.site-header { border-bottom: 1px solid var(--line); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 56px; }
.brand { font-weight: 600; font-size: 17px; letter-spacing: -0.01em; text-decoration: none; }
.brand span { color: inherit; }
.nav a { margin-left: 18px; color: var(--muted); font-size: 14px; text-decoration: none; }
.nav a:hover { color: var(--fg); }

main { padding: 48px 0 72px; }

h1 { font-size: 27px; line-height: 1.3; letter-spacing: -0.02em; margin: 0 0 10px; font-weight: 600; }
h2 { font-size: 18px; margin: 34px 0 10px; letter-spacing: -0.01em; font-weight: 600; }
h3 { font-size: 16px; margin: 26px 0 6px; font-weight: 600; }

.lede { color: var(--muted); font-size: 16.5px; margin: 0 0 28px; }

.hero { padding: 8px 0 0; }
.hero h1 { font-size: 29px; }

.section-head { display: flex; align-items: baseline; justify-content: space-between; margin: 44px 0 6px; }
.section-head h2 { margin: 0; font-size: 11.5px; text-transform: uppercase; letter-spacing: 0.09em; color: var(--muted); font-weight: 600; }
.section-head a { font-size: 13px; color: var(--muted); text-decoration: none; }
.section-head a:hover { color: var(--fg); text-decoration: underline; }

.post-list { list-style: none; padding: 0; margin: 0; }
.post-list li { padding: 11px 0; }
.post-list a { font-size: 16.5px; font-weight: 600; text-decoration: none; }
.post-list a:hover { text-decoration: underline; }
.post-list p { margin: 3px 0 0; color: var(--muted); font-size: 14.5px; }

.meta { margin-top: 8px; font-size: 12.5px; color: var(--muted); display: flex; flex-wrap: wrap; gap: 0; align-items: center; }
.chip { padding: 0; font-size: 12.5px; color: var(--muted); }
.meta > * + *::before { content: "·"; margin: 0 7px; color: #c9c9c9; }
.chip-high, .chip-medium { color: var(--muted); }

.page-head { margin-bottom: 8px; }

.post-head { margin-bottom: 22px; }

.error-box {
  background: #fafafa;
  border-left: 2px solid #111;
  color: #111;
  padding: 12px 14px;
  border-radius: 0;
  overflow-x: auto;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12.5px;
  line-height: 1.6;
  margin: 0 0 30px;
}
.error-box code { background: none; color: inherit; padding: 0; }

.content p { margin: 0 0 17px; }
.content ul, .content ol { margin: 0 0 17px; padding-left: 22px; }
.content li { margin: 5px 0; }
.content h2 { border: 0; padding: 0; }

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.88em;
  background: var(--code-bg);
  padding: 1px 4px;
  border-radius: 3px;
}

pre {
  background: #fafafa;
  border: 1px solid #f0f0f0;
  padding: 12px 14px;
  border-radius: 3px;
  overflow-x: auto;
  font-size: 12.5px;
  line-height: 1.6;
}
pre code { background: none; border: 0; padding: 0; }

table { border-collapse: collapse; width: 100%; margin: 0 0 20px; font-size: 14.5px; }
th, td { text-align: left; border-bottom: 1px solid var(--line); padding: 7px 9px; }
th { font-size: 11.5px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); font-weight: 600; }

.search-hint input {
  width: 100%;
  padding: 10px 12px;
  font-size: 15px;
  border: 1px solid var(--line);
  border-radius: 3px;
  background: #fff;
  color: var(--fg);
}
.search-hint input:focus { outline: none; border-color: #111; }
.search-results {
  list-style: none;
  margin: 6px 0 0;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 3px;
  background: #fff;
  overflow: hidden;
}
.search-results li { border-bottom: 1px solid var(--line); }
.search-results li:last-child { border-bottom: 0; }
.search-results a { display: block; padding: 9px 12px; text-decoration: none; }

.tool { background: transparent; border: 1px solid var(--line); border-radius: 3px; padding: 18px; margin: 0 0 26px; }
.tool-row { display: grid; grid-template-columns: repeat(5, 1fr); gap: 8px; }
.tool-row label { display: flex; flex-direction: column; font-size: 11px; color: var(--muted); gap: 4px; text-transform: uppercase; letter-spacing: 0.05em; }
.tool-row input { padding: 7px 9px; border: 1px solid var(--line); border-radius: 3px; background: #fff; color: var(--fg); font-family: ui-monospace, monospace; font-size: 13.5px; }
.tool-row input:focus { outline: none; border-color: #111; }
.tool-presets { display: flex; flex-wrap: wrap; gap: 6px; margin: 12px 0; }
.tool-presets button { padding: 5px 9px; font-size: 12.5px; border: 1px solid var(--line); background: #fff; color: var(--muted); border-radius: 3px; cursor: pointer; }
.tool-presets button:hover { border-color: #111; color: var(--fg); }
.tool-presets button.active { border-color: #111; color: var(--fg); }
.tool-out { font-size: 15px; }
.tool-note { color: var(--fg); font-size: 13px; min-height: 20px; margin: 8px 0 0; }
.tool-h2 { font-size: 11px; text-transform: uppercase; letter-spacing: 0.09em; color: var(--muted); border: 0; margin: 18px 0 6px; }
.tool-runs { margin: 0; padding-left: 20px; font-family: ui-monospace, monospace; font-size: 13px; }

.site-footer { border-top: 1px solid var(--line); padding: 22px 0 40px; color: var(--muted); font-size: 12.5px; }
.site-footer p { margin: 0 0 3px; }

@media (max-width: 640px) {
  h1, .hero h1 { font-size: 24px; }
  .tool-row { grid-template-columns: repeat(2, 1fr); }
  body { font-size: 16px; }
  .nav a { margin-left: 14px; }
}

.tool-label { display: block; font-size: 11px; text-transform: uppercase; letter-spacing: 0.05em; color: var(--muted); margin-bottom: 6px; }
.tool textarea {
  width: 100%;
  padding: 9px 10px;
  border: 1px solid var(--line);
  border-radius: 3px;
  background: #fafafa;
  color: var(--fg);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 13px;
  line-height: 1.6;
  resize: vertical;
}
.tool textarea:focus { outline: none; border-color: #111; }
.tool-code {
  background: #fafafa;
  border: 1px solid #f0f0f0;
  padding: 9px 10px;
  border-radius: 3px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12.5px;
  color: var(--muted);
  overflow-x: auto;
  margin: 0 0 10px;
}
.tool-code code { background: none; padding: 0; }
.verdict { font-weight: 600; font-size: 15px; margin: 14px 0 6px; }
.verdict-ok { color: #116329; }
.verdict-warn { color: #7d4e00; }
.verdict-fail { color: #a40e0e; }
.verdict code { background: none; padding: 0; }
.tool-steps { margin: 8px 0 0; padding-left: 22px; font-size: 14.5px; }
.tool-steps li { margin: 6px 0; }
.tool-facts { margin: 14px 0 0; padding-top: 10px; border-top: 1px solid var(--line); font-size: 13px; color: var(--muted); }
.verified { border: 1px solid var(--line); border-left: 2px solid var(--fg); padding: 10px 12px; margin: 20px 0 26px; font-size: 13px; }
.verified p { margin: 0; }
.verified-line { display: flex; flex-wrap: wrap; gap: 6px; align-items: baseline; color: var(--fg); }
.verified-tag { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 10.5px; letter-spacing: .09em; text-transform: uppercase; border: 1px solid var(--fg); padding: 1px 5px; margin-right: 2px; }
.verified-sep { color: var(--muted); }
.verified-lab { color: var(--muted); font-size: 12.5px; margin-top: 5px !important; }
.verified-cmd { color: var(--muted); font-size: 12.5px; margin-top: 6px !important; }
.verified-cmd code { font-size: 12px; background: var(--code-bg); padding: 1px 4px; word-break: break-all; }