:root {
  --paper: #f3ead9;
  --ink: #1b1612;
  --felt: #6a3f24;
  --gold: #b0894f;
  --slate: #2c403c;
  --rule: #d7cbb6;
  --flash-ok: #2c403c;
  --flash-err: #8a2b22;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: "IBM Plex Sans", system-ui, sans-serif;
  background: var(--paper);
  color: var(--ink);
  line-height: 1.5;
}

h1, h2, h3, .brand strong {
  font-family: Fraunces, Georgia, serif;
  font-weight: 700;
  letter-spacing: -0.02em;
}

a { color: var(--felt); }
a:hover { color: var(--ink); }
code { font-family: ui-monospace, "IBM Plex Mono", monospace; font-size: 0.92em; }

.mast {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1rem 2rem;
  border-bottom: 1px solid var(--rule);
  flex-wrap: wrap;
}
.brand {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  text-decoration: none;
  color: var(--ink);
}
.brand img {
  width: 64px;
  height: 64px;
  object-fit: contain;
  background: #efe4cf;
  border: 1px solid var(--rule);
}
.brand em {
  display: block;
  font-style: italic;
  font-size: 0.8rem;
  color: var(--felt);
}
.mast nav {
  display: flex;
  gap: 1rem;
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-end;
}
.mast nav form { margin: 0; }
button, .btn {
  font: inherit;
  cursor: pointer;
  border: 1px solid var(--ink);
  background: transparent;
  color: var(--ink);
  padding: 0.4rem 0.8rem;
  text-decoration: none;
}
.btn.solid, button[type="submit"].solid {
  background: var(--ink);
  color: var(--paper);
}
.btn.ghost { border-color: var(--felt); color: var(--felt); }
.btn.danger { border-color: var(--flash-err); color: var(--flash-err); }

main { padding: 2rem; max-width: 1080px; margin: 0 auto; }

.hero {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 2rem;
  align-items: center;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--rule);
}
.eyebrow { text-transform: uppercase; letter-spacing: 0.12em; font-size: 0.72rem; color: var(--slate); }
.lede { font-size: 1.05rem; max-width: 42rem; }
.cta-row { display: flex; gap: 0.75rem; margin: 1.25rem 0; }
.hat-plate img { width: 100%; max-width: 280px; border: 1px solid var(--rule); }
.hat-plate figcaption { font-size: 0.85rem; color: var(--slate); }

.strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  padding: 2rem 0;
  border-bottom: 1px solid var(--rule);
}
.strip h2 { font-size: 1.2rem; }

.flow { padding: 2rem 0; }
.section-lede { max-width: 40rem; }
.flow-svg, .mini-flow { width: 100%; height: auto; background: #efe4cf; border: 1px solid var(--rule); }
.node { fill: #efe4cf; stroke: var(--ink); stroke-width: 1.5; }
.node.accent { fill: #e4d3b4; }
.lab { font-family: Fraunces, Georgia, serif; font-size: 14px; text-anchor: middle; fill: var(--ink); }
.sub { font-family: "IBM Plex Sans", sans-serif; font-size: 11px; text-anchor: middle; fill: var(--felt); }
.arr { fill: var(--felt); }

.metrics ol { padding-left: 1.2rem; }
.metrics li { margin-bottom: 0.75rem; }

.split {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr;
  gap: 2rem;
  padding-top: 1rem;
}

.scoreboard {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin: 1.5rem 0 2rem;
}
.scoreboard article {
  border: 1px solid var(--rule);
  padding: 1rem;
  background: #efe4cf;
}
.figure {
  font-family: Fraunces, Georgia, serif;
  font-size: 2rem;
  margin: 0.25rem 0;
}
.caption { font-size: 0.85rem; color: var(--slate); margin: 0; }

.bodycopy p { white-space: pre-wrap; overflow-wrap: anywhere; }
.bodycopy summary,
.not-analyzed summary { cursor: pointer; color: var(--slate); }
.not-analyzed ul { margin: 0.5rem 0 0; padding-left: 1.25rem; max-height: 16rem; overflow-y: auto; }
.not-analyzed .mono { font-size: 0.8rem; }
.scan-coverage { margin-top: 0.75rem; }
.scan-coverage summary { cursor: pointer; color: var(--slate); }
.scan-coverage table { margin-top: 0.5rem; }
.scan-coverage .num { text-align: right; white-space: nowrap; }
.scan-coverage .gap td { color: var(--ink); font-weight: 600; }
.scan-coverage p { margin: 0.5rem 0 0; }

.two { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; }
.mono { font-family: ui-monospace, "IBM Plex Mono", monospace; font-size: 0.9rem; }
.pill {
  display: inline-block;
  border: 1px solid var(--rule);
  padding: 0 0.4rem;
  font-size: 0.75rem;
  text-transform: uppercase;
  margin-right: 0.35rem;
}
.sev-high, .sev-critical { border-color: var(--flash-err); color: var(--flash-err); }
.sev-medium { border-color: var(--felt); color: var(--felt); }
.sev-low { border-color: var(--slate); color: var(--slate); }

.ledger { width: 100%; border-collapse: collapse; }
.ledger th, .ledger td { text-align: left; padding: 0.6rem 0.4rem; border-bottom: 1px solid var(--rule); vertical-align: top; }

.actions { margin-top: 2rem; display: grid; gap: 1.25rem; max-width: 36rem; }
textarea { width: 100%; min-height: 5rem; font: inherit; padding: 0.5rem; border: 1px solid var(--ink); background: #fffaf0; }
label { display: block; font-weight: 600; margin-bottom: 0.3rem; }

.flash { margin: 0; padding: 0.6rem 2rem; }
.flash-ok { background: #d7e0d8; }
.flash-error { background: #f0d4cf; }
.hint { font-size: 0.9rem; color: var(--slate); }
.colophon { padding: 1.5rem 2rem; border-top: 1px solid var(--rule); color: var(--slate); font-size: 0.9rem; }

@media (max-width: 860px) {
  .hero, .strip, .scoreboard, .two, .split { grid-template-columns: 1fr; }
  .mast { flex-direction: column; align-items: flex-start; gap: 0.75rem; }
}

/* Confidence factors */
.factors { margin-bottom: 1.5rem; }
.factors .num { text-align: right; white-space: nowrap; }
.factors .pos { color: var(--slate); }
.factors .neg { color: var(--flash-err); }
.factors .total td { font-weight: 600; border-bottom: 2px solid var(--ink); }
.out-of { font-size: 1rem; color: var(--slate); margin-left: 0.15rem; }

/* Loading state while a pull request is analyzed */
.loading-bar { position: fixed; top: 0; left: 0; height: 3px; width: 0; background: var(--felt); z-index: 10; }
.loading-note { display: none; margin: 0; padding: 0.6rem 2rem; background: #efe4cf; color: var(--slate); }
body.is-loading .loading-bar { animation: hd-loading 8s ease-out forwards; }
body.is-loading .loading-note { display: block; }
body.is-loading main { opacity: 0.55; transition: opacity 0.2s; }
@keyframes hd-loading { from { width: 0; } to { width: 92%; } }
@media (prefers-reduced-motion: reduce) {
  body.is-loading .loading-bar { animation: none; width: 92%; }
}