:root {
  --parchment: #f7f2eb;
  --elev: #fffbf7;
  --sage: #7a9e8e;
  --sage-soft: #d9e6df;
  --sage-mark: #4f7a68;
  --chrome: #6f645c;
  --line: #e4d8cc;
  --ink: #1a1714;
  --warn: #b86a3c;
  --gap: #8a5a7a;
}
* { box-sizing: border-box; }
body {
  margin: 0; font-family: "Segoe UI", system-ui, sans-serif;
  background: var(--parchment); color: var(--ink);
  line-height: 1.45;
}
header {
  background: var(--elev); border-bottom: 1px solid var(--line);
  padding: 1rem 1.25rem; position: sticky; top: 0; z-index: 10;
}
header h1 { margin: 0 0 .25rem; font-size: 1.35rem; }
header .sub { color: var(--chrome); font-size: .9rem; }
.layout {
  display: grid; grid-template-columns: 280px minmax(0,1fr);
  gap: 0; min-height: calc(100vh - 5rem);
}
@media (max-width: 900px) {
  .layout { grid-template-columns: 1fr; }
}
aside {
  background: var(--elev); border-right: 1px solid var(--line);
  padding: 1rem; overflow: auto; max-height: calc(100vh - 5rem);
  position: sticky; top: 5rem;
}
main { padding: 1rem 1.25rem 3rem; }
label { display: block; font-size: .75rem; text-transform: uppercase;
  letter-spacing: .04em; color: var(--chrome); margin: .75rem 0 .25rem; }
input[type=search], select {
  width: 100%; padding: .45rem .6rem; border: 1px solid var(--line);
  border-radius: 8px; background: #fff; font: inherit;
}
.chips { display: flex; flex-wrap: wrap; gap: .35rem; margin-top: .35rem; }
.chip {
  border: 1px solid var(--line); background: var(--sage-soft);
  color: var(--sage-mark); border-radius: 999px; padding: .15rem .55rem;
  font-size: .75rem; cursor: pointer; user-select: none;
}
.chip.active { background: var(--sage); color: #fff; border-color: var(--sage); }
.toggles { display: flex; flex-direction: column; gap: .35rem; margin-top: .5rem; }
.toggles label { text-transform: none; font-size: .85rem; color: var(--ink);
  display: flex; gap: .4rem; align-items: center; letter-spacing: 0; }
.stats { font-size: .85rem; color: var(--chrome); margin-bottom: .75rem; }
.panel {
  background: var(--elev); border: 1px solid var(--line); border-radius: 12px;
  padding: 1rem; margin-bottom: 1rem;
}
.panel h2 { margin: 0 0 .5rem; font-size: 1.05rem; color: var(--sage-mark); }
.panel h3 { margin: .75rem 0 .35rem; font-size: .95rem; }
.panel ul { margin: .25rem 0; padding-left: 1.2rem; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: .85rem; }
.card {
  background: var(--elev); border: 1px solid var(--line); border-radius: 12px;
  padding: .85rem 1rem; display: flex; flex-direction: column; gap: .4rem;
}
.card h3 { margin: 0; font-size: 1rem; }
.card a { color: var(--sage-mark); }
.badge {
  display: inline-block; font-size: .7rem; border-radius: 6px;
  padding: .1rem .4rem; margin-right: .25rem; background: var(--sage-soft);
  color: var(--sage-mark); border: 1px solid var(--line);
}
.badge.tier-user-workflow { background: #e8f0e4; }
.badge.tier-cursor-managed { background: #e8eaf0; }
.badge.tier-plugin-vercel { background: #f0e8e4; }
.badge.oup-unknown_other_agent, .badge.oup-reconstructed_from_episode { background: #f5e9d8; color: var(--warn); }
.badge.coverage-overlap-candidate { background: #f3e0ea; color: var(--gap); }
.meta { font-size: .8rem; color: var(--chrome); }
.oup-block {
  background: #f3eee6; border-left: 3px solid var(--sage); padding: .5rem .65rem;
  font-size: .82rem; white-space: pre-wrap; border-radius: 0 8px 8px 0;
}
details { font-size: .85rem; }
details summary { cursor: pointer; color: var(--sage-mark); }
.hidden { display: none !important; }

.site-footer {
  display: flex; flex-wrap: wrap; gap: .75rem 1.5rem; justify-content: space-between;
  padding: .85rem 1.25rem; border-top: 1px solid var(--line);
  background: var(--elev); color: var(--chrome); font-size: .8rem;
}
.site-footer code { font-size: .75rem; }
.source-note { margin-top: .15rem; }
header .sub code { font-size: .8rem; }

/* Clickable cards */
.card-link {
  cursor: pointer;
  transition: border-color .15s ease, box-shadow .15s ease, transform .12s ease;
}
.card-link:hover, .card-link:focus-visible {
  border-color: var(--sage);
  box-shadow: 0 4px 14px rgba(79, 122, 104, .12);
  outline: none;
}
.card-link:focus-visible {
  outline: 2px solid var(--sage);
  outline-offset: 2px;
}
.card-title {
  color: inherit;
  text-decoration: none;
}
.card-title:hover { color: var(--sage-mark); text-decoration: underline; }
.card-link .source-note { color: var(--sage-mark); }

/* Skill detail pages */
.skill-page {
  max-width: 820px;
  margin: 0 auto;
  padding: 1.25rem 1.25rem 3rem;
}
.skill-page section {
  background: var(--elev);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 1rem 1.1rem;
  margin-bottom: .85rem;
}
.skill-page h2 {
  margin: 0 0 .5rem;
  font-size: 1.05rem;
  color: var(--sage-mark);
}
.skill-page a { color: var(--sage-mark); }
.private-banner {
  border-color: #e6c9a8;
  background: #faf3ea;
}
pre.stub {
  white-space: pre-wrap;
  background: #f3eee6;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: .75rem .9rem;
  font-size: .82rem;
  overflow-x: auto;
}
header .meta a { color: var(--sage-mark); }