:root { --measure: 68ch; --sidebar: 17rem; }

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font: var(--body, 400 0.95rem/1.55 system-ui);
  font-family: var(--font-sans, system-ui);
  color: var(--ink-700, #11152a);
  background: var(--paper-0, #fff);
}
a { color: var(--v-600, #4338ca); text-decoration: none; }
a:hover { text-decoration: underline; }
code {
  font-family: var(--font-mono, ui-monospace, monospace);
  font-size: 0.86em;
  background: var(--paper-2, #f3f4f8);
  padding: 0.1em 0.35em;
  border-radius: 4px;
}

.skip { position: absolute; left: -9999px; }
.skip:focus { left: 1rem; top: 1rem; background: #fff; padding: .5rem 1rem; z-index: 10; }

/* Topbar */
.topbar {
  display: flex; align-items: center; gap: 1.75rem;
  padding: 0.6rem 1.5rem;
  border-bottom: 1px solid var(--paper-3, #e6e8f0);
  position: sticky; top: 0; background: var(--paper-0, #fff); z-index: 5;
}
.brand {
  display: inline-flex; align-items: center; gap: 0.85rem;
  color: var(--ink-700, #11152a);
  text-decoration: none;
  flex-shrink: 0;
}
.brand:hover { text-decoration: none; }
.brand-logo {
  width: 200px; max-width: 55vw; height: auto; display: block;
}
.brand-sub {
  color: var(--v-600, #4338ca); font-weight: 500;
  font-size: 1.25rem; letter-spacing: -0.01em; line-height: 1;
}
@media (max-width: 640px) {
  .topbar { gap: 0.85rem; padding: 0.55rem 1rem; }
  .brand-logo { width: 140px; }
  .brand-sub { font-size: 1.05rem; }
}
.searchwrap { position: relative; flex: 1; max-width: 30rem; }
#q {
  width: 100%; padding: 0.45rem 0.75rem;
  border: 1px solid var(--paper-3, #e6e8f0); border-radius: 7px;
  font: inherit; background: var(--paper-1, #fafbfd);
}
#q:focus { outline: 2px solid var(--v-500, #6366f1); outline-offset: 1px; }
#results {
  position: absolute; top: calc(100% + 6px); left: 0; right: 0;
  background: #fff; border: 1px solid var(--paper-3, #e6e8f0);
  border-radius: 8px; box-shadow: 0 8px 28px rgba(17,21,42,.12);
  max-height: 60vh; overflow: auto; padding: 0.25rem;
}
#results a { display: block; padding: 0.5rem 0.6rem; border-radius: 6px; color: inherit; }
#results a:hover, #results a.sel { background: var(--paper-2, #f3f4f8); text-decoration: none; }
#results .rt { font-weight: 600; }
#results .rs { font-size: 0.8rem; color: var(--ink-400, #5b6280); }
#results .empty { padding: 0.75rem; color: var(--ink-400, #5b6280); }

/* Shell */
.shell { display: flex; gap: 2.5rem; align-items: flex-start; }
.sidebar {
  width: var(--sidebar); flex: 0 0 var(--sidebar);
  padding: 1.5rem 0 3rem 1.5rem;
  position: sticky; top: 5.2rem; max-height: calc(100vh - 5.2rem); overflow-y: auto;
}
.navgroup { margin-bottom: 1.25rem; }
.navarea {
  display: block; font-weight: 650; font-size: 0.82rem; letter-spacing: .04em;
  text-transform: uppercase; color: var(--ink-500, #1f2547); margin-bottom: 0.35rem;
}
.navcap {
  display: block; padding: 0.16rem 0; font-size: 0.88rem;
  color: var(--ink-400, #5b6280);
}
.navcap:hover { color: var(--v-600, #4338ca); }

main { flex: 1; min-width: 0; padding: 1.75rem 1.5rem 4rem 0; max-width: var(--measure); }

h1 { font-size: 1.9rem; line-height: 1.2; letter-spacing: -0.02em; margin: 0 0 .5rem; }
h2 { font-size: 1.2rem; margin: 2rem 0 .6rem; letter-spacing: -0.01em; }
h3 { font-size: 1rem; margin: 1.4rem 0 .4rem; }
.lede { font-size: 1.05rem; color: var(--ink-400, #5b6280); margin: 0 0 1.1rem; }
.sec { border-top: 1px solid var(--paper-3, #e6e8f0); padding-top: 1.5rem; }

.crumbs { font-size: 0.82rem; color: var(--ink-300, #858ba6); margin-bottom: .9rem; }
.crumbs span { margin: 0 .15rem; }

.meta { display: flex; flex-wrap: wrap; gap: .4rem; margin-bottom: 1.4rem; }
.pill {
  font-size: 0.72rem; padding: .18rem .5rem; border-radius: 999px;
  background: var(--paper-2, #f3f4f8); color: var(--ink-500, #1f2547);
  border: 1px solid var(--paper-3, #e6e8f0);
}
.pill-derived { background: #eef2ff; border-color: #dbe1ff; color: #3730a3; }
.pill-curated { background: #f0fdf4; border-color: #dcfce7; color: #166534; }
.pill-quiet { font-family: var(--font-mono, monospace); color: var(--ink-300, #858ba6); }

.notice {
  border: 1px solid #fde68a; background: #fffbeb; color: #78350f;
  padding: .8rem 1rem; border-radius: 8px; margin: 0 0 1.4rem;
  font-size: 0.88rem;
}
.notice ul { margin: .4rem 0 0; padding-left: 1.1rem; }

.prose p { margin: 0 0 .9rem; }
.prose ul { margin: 0 0 .9rem; padding-left: 1.2rem; }
.prose li { margin: .2rem 0; }

.facts { margin-top: 1.6rem; }
.factlist { display: grid; gap: .55rem; }
.fact {
  border: 1px solid var(--paper-3, #e6e8f0); border-radius: 8px;
  padding: .6rem .8rem; background: var(--paper-1, #fafbfd);
}
.factsum { font-weight: 600; font-size: .9rem; font-family: var(--font-mono, monospace); }
.factval { display: grid; grid-template-columns: minmax(7rem, auto) 1fr; gap: .1rem .8rem; margin: .45rem 0 0; font-size: .82rem; }
.factval dt { color: var(--ink-300, #858ba6); }
.factval dd { margin: 0; overflow-wrap: anywhere; }
.fact-unknown { border-color: #fed7aa; background: #fff7ed; }
.unknown { font-size: .8rem; color: #9a3412; margin: .45rem 0 0; }
.prov { font-size: .74rem; color: var(--ink-300, #858ba6); margin: .45rem 0 0; }
.prov code { background: transparent; padding: 0; }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr)); gap: .9rem; margin: 1.5rem 0; }
.card {
  display: block; padding: 1rem 1.1rem; border-radius: 10px;
  border: 1px solid var(--paper-3, #e6e8f0); background: var(--paper-1, #fafbfd);
  color: inherit;
}
.card:hover { border-color: var(--v-500, #6366f1); text-decoration: none; }
.card h2 { margin: 0 0 .3rem; font-size: 1rem; }
.card p { margin: 0 0 .5rem; font-size: .86rem; color: var(--ink-400, #5b6280); }
.count { font-size: .74rem; color: var(--ink-300, #858ba6); }

.cta {
  display: inline-block; padding: .5rem 1rem; border-radius: 8px;
  background: var(--v-600, #4338ca); color: #fff; font-weight: 600;
}
.cta:hover { text-decoration: none; opacity: .92; }

.plain { list-style: none; padding: 0; }
.plain li { margin: .25rem 0; }

.foot {
  border-top: 1px solid var(--paper-3, #e6e8f0);
  padding: 1.25rem 1.5rem 2.5rem; font-size: .8rem; color: var(--ink-300, #858ba6);
}
.foot p { margin: .2rem 0; }
.muted { color: var(--ink-300, #858ba6); }

@media (max-width: 860px) {
  .shell { flex-direction: column; gap: 0; }
  .sidebar { position: static; width: 100%; flex: none; max-height: none; padding: 1rem 1.5rem 0; }
  main { padding: 1.25rem 1.5rem 3rem; max-width: none; }
}