:root {
  --paper: #f3f1ea;
  --rule: #d7d2c4;
  --ink: #1c2118;
  --muted: #5e6758;
  --coral: #d4522a;
  --ok: #2a6b4f;
  --rail: 220px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body.report {
  font-family: Figtree, sans-serif;
  background: var(--paper);
  color: var(--ink);
  line-height: 1.55;
  display: grid;
  grid-template-columns: var(--rail) 1fr;
  min-height: 100vh;
}
h1, h2 { font-weight: 700; letter-spacing: -0.04em; line-height: 1.08; }
h1 { font-size: clamp(2.2rem, 4.5vw, 3.8rem); }
h2 { font-size: 1.5rem; margin-bottom: 16px; border-bottom: 1px solid var(--ink); padding-bottom: 8px; }
a { color: var(--ok); }
button, input, textarea, select { font: inherit; color: inherit; }

.rail {
  position: sticky; top: 0; height: 100vh;
  padding: 20px 16px;
  border-right: 1px solid var(--ink);
  display: flex; flex-direction: column; gap: 18px;
  background: #ece8dc;
  z-index: 4;
}
.rail-brand { display: flex; gap: 8px; align-items: center; text-decoration: none; color: var(--ink); font-weight: 700; }
.pip { width: 8px; height: 8px; background: var(--coral); border-radius: 50%; }
.rail-id { font-family: "JetBrains Mono", monospace; font-size: 10px; letter-spacing: 0.12em; color: var(--coral); }
.rings { display: grid; gap: 12px; }
.rings div { display: grid; grid-template-columns: 36px auto 1fr; gap: 8px; align-items: center; font-size: 11px; }
.rings i {
  width: 36px; height: 36px; border-radius: 50%;
  background: conic-gradient(var(--coral) calc(var(--p) * 1%), var(--rule) 0);
  display: grid; place-items: center;
}
.rings i::after { content: ""; width: 22px; height: 22px; background: #ece8dc; border-radius: 50%; }
.rings span { font-family: "JetBrains Mono", monospace; font-weight: 700; }
.rail nav { display: flex; flex-direction: column; gap: 4px; }
.rail nav a {
  font-family: "JetBrains Mono", monospace; font-size: 12px;
  text-decoration: none; color: var(--muted); padding: 4px 0;
}
.rail nav a.is-on, .rail nav a:hover { color: var(--coral); }
.lang { margin-top: auto; display: flex; gap: 6px; }
.lang button { border: 0; background: none; cursor: pointer; color: var(--muted); }
.lang button.is-active { color: var(--coral); font-weight: 700; }

main { padding: 0 8vw 80px; background-image: repeating-linear-gradient(transparent, transparent 27px, var(--rule) 28px); }
.cover { padding: 48px 0 32px; background: var(--paper); }
.meta { font-family: "JetBrains Mono", monospace; font-size: 11px; letter-spacing: 0.08em; margin-bottom: 20px; }
.lead { max-width: 62ch; margin-top: 16px; font-size: 1.05rem; }
.page { background: rgba(243,241,234,.94); margin: 28px 0; padding: 28px 0; }
.intro { color: var(--muted); margin-bottom: 16px; }
blockquote { font-size: 1.3rem; border-left: 3px solid var(--coral); padding-left: 16px; margin: 16px 0; }
.page p + p { margin-top: 12px; color: var(--muted); }

.spec { display: grid; gap: 0; }
.spec div { display: grid; grid-template-columns: 280px 1fr; gap: 16px; padding: 14px 0; border-top: 1px solid var(--rule); }
.spec dt { font-family: "JetBrains Mono", monospace; font-size: 13px; }
.spec dd { color: var(--muted); margin: 0; }

table { width: 100%; border-collapse: collapse; font-size: 14px; background: #fff; }
th, td { border: 1px solid var(--ink); padding: 10px; text-align: left; vertical-align: top; }
th { background: #e4e0d4; font-family: "JetBrains Mono", monospace; font-size: 12px; }
.harness { margin: 20px 0 0 18px; display: grid; gap: 8px; }
.harness code { font-family: "JetBrains Mono", monospace; color: var(--coral); }

.diffs { display: grid; gap: 0; }
.diffs section { display: grid; grid-template-columns: 1fr 1fr; gap: 0; border-top: 1px solid var(--ink); }
.was, .now { padding: 16px; font-size: 14px; }
.was { background: #f3e4dc; }
.now { background: #dcebe3; }

.notes .note { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; padding: 14px 0; border-top: 1px dashed var(--ink); }
.notes p { font-weight: 700; }
.notes aside { font-size: 14px; color: var(--muted); font-style: italic; }

.ticket address { font-style: normal; margin-bottom: 20px; }
.ticket .row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
form { display: grid; gap: 10px; max-width: 640px; }
label { display: grid; gap: 4px; font-size: 12px; font-family: "JetBrains Mono", monospace; }
input, textarea, select { border: 1px solid var(--ink); background: #fff; padding: 8px; }
form button { background: var(--ink); color: var(--paper); border: 0; padding: 12px; cursor: pointer; font-weight: 700; }
.ok { color: var(--ok); }

.runner {
  position: sticky; bottom: 0;
  grid-column: 2;
  display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  padding: 10px 20px; background: var(--ink); color: var(--paper); font-size: 12px;
  z-index: 3;
}

@media (max-width: 900px) {
  body.report { grid-template-columns: 1fr; }
  .rail { position: relative; height: auto; flex-direction: row; flex-wrap: wrap; }
  .rings { display: none; }
  .rail nav { flex-direction: row; gap: 12px; }
  .spec div, .diffs section, .notes .note, .ticket .row { grid-template-columns: 1fr; }
  main { padding: 0 20px 80px; }
}