/* LLM verification: a calibration report. Paper-grey neutrals with a slight green bias, one ink-blue accent,
   semantic good/warn/bad. Fraunces for headings, IBM Plex Sans for text, IBM Plex Mono for numbers. */
:root {
  --bg: #f3f4f1; --panel: #fbfbf9; --ink: #1d2321; --muted: #5d6763; --rule: #d6dad5;
  --accent: #2c5d8a; --good: #2f7d4f; --warn: #a86a12; --bad: #b3372e;
  --display: "Fraunces", Georgia, serif; --body: "IBM Plex Sans", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, Menlo, monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #141816; --panel: #1b201e; --ink: #e5e9e6; --muted: #9aa49f; --rule: #2e3532;
    --accent: #7fb0dd; --good: #5fbf85; --warn: #e0a447; --bad: #ec7a6f; color-scheme: dark;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: 88px; }  /* anchors land below the sticky nav */
body { margin: 0; background: var(--bg); color: var(--ink); font: 16.5px/1.65 var(--body); }
a { color: var(--accent); }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.lv-top { position: sticky; top: 0; z-index: 10; background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: blur(6px); border-bottom: 1px solid var(--rule); }
.lv-top nav { max-width: 1120px; margin: 0 auto; padding: 0.65rem 16px; display: flex; align-items: center;
  gap: 0.4rem 1.2rem; flex-wrap: wrap; font: 14px/1.4 var(--body); }
.lv-top nav a { color: var(--muted); text-decoration: none; }
.lv-top nav a:hover, .lv-top nav a[aria-current] { color: var(--ink); }
.lv-top nav .home { color: var(--ink); font-weight: 600; margin-right: auto; }
.lv-top nav a[aria-current] { text-decoration: underline; text-decoration-color: var(--accent);
  text-decoration-thickness: 2px; text-underline-offset: 7px; }
.lv-top nav .short { display: none; }
/* Phones: brand on its own row, then every section visible on one row with short labels (nothing hidden). */
@media (max-width: 560px) {
  .lv-top nav { gap: 0.35rem 1.1rem; padding-block: 0.55rem 0.6rem; font-size: 14px; }
  .lv-top nav .home { flex: 0 0 100%; }
  .lv-top nav .long { display: none; }
  .lv-top nav .short { display: inline; }
}
.pager { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-top: 56px;
  padding-top: 18px; border-top: 1px solid var(--rule); }
.pager a { display: grid; gap: 2px; text-decoration: none; color: var(--ink); max-width: 48%; }
.pager a.next { margin-left: auto; text-align: right; }
.pager .dir { font: 500 11px/1.2 var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }
.pager .t { font: 600 17px/1.3 var(--display); color: var(--accent); }
.pager a:hover .t { text-decoration: underline; }

main { max-width: 1120px; margin: 0 auto; padding: 40px 16px 80px; }
.prose { max-width: 70ch; }
.eyebrow { font: 500 12px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
h1 { font: 650 clamp(32px, 5.5vw, 50px)/1.06 var(--display); margin: 12px 0 16px; letter-spacing: -.015em; text-wrap: balance; }
h2 { font: 600 clamp(22px, 3vw, 28px)/1.2 var(--display); margin: 56px 0 12px; text-wrap: balance; }
h3 { font: 600 20px/1.3 var(--display); margin: 36px 0 8px; }
h4 { font: 600 16px/1.3 var(--body); margin: 24px 0 4px; }
p, li { margin: 0 0 14px; }
.lede { font-size: 18.5px; color: var(--ink); }
.byline { color: var(--muted); font-size: 14px; }
code { font: 0.9em var(--mono); background: color-mix(in srgb, var(--rule) 45%, transparent); padding: 1px 4px; border-radius: 3px; }
b, strong { font-weight: 600; }

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 12px; margin: 28px 0; }
.stat { background: var(--panel); border: 1px solid var(--rule); border-radius: 6px; padding: 14px 16px; min-width: 0; }
.stat .v { font: 650 30px/1.1 var(--display); font-variant-numeric: tabular-nums; }
.stat .l { color: var(--muted); font-size: 14px; margin-top: 4px; }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 12px; margin: 20px 0; }
.card { background: var(--panel); border: 1px solid var(--rule); border-radius: 6px; padding: 16px; min-width: 0; }
.card p { margin: 8px 0 0; font-size: 15px; }
.pill { display: inline-block; font: 500 11px/1 var(--mono); padding: 4px 6px; border-radius: 3px; border: 1px solid currentColor; }
.pill.good { color: var(--good); } .pill.warn { color: var(--warn); } .pill.bad { color: var(--bad); } .pill.ref { color: var(--accent); }

.table { overflow-x: auto; background: var(--panel); border: 1px solid var(--rule); border-radius: 6px; margin: 18px 0 24px; }
table { border-collapse: collapse; width: 100%; min-width: 620px; font-variant-numeric: tabular-nums; font-size: 14.5px; }
th, td { padding: 9px 12px; text-align: left; border-bottom: 1px solid var(--rule); vertical-align: top; }
th { font: 500 11px/1.2 var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }
tr:last-child td { border-bottom: 0; }
tr.ref td { background: color-mix(in srgb, var(--accent) 6%, transparent); }
tr.hl td { background: color-mix(in srgb, var(--bad) 8%, transparent); }
td.num { font-family: var(--mono); font-size: 13.5px; white-space: nowrap; }

.callout { border-left: 3px solid var(--accent); background: var(--panel); padding: 12px 16px; margin: 20px 0; border-radius: 0 6px 6px 0; max-width: 70ch; }
.callout.warn { border-color: var(--warn); }
.cta { display: inline-block; margin-top: 8px; font-weight: 600; }
.foot { margin-top: 64px; padding-top: 18px; border-top: 1px solid var(--rule); color: var(--muted); font-size: 14px; max-width: 75ch; }
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }