:root {
  --bg: #fbfaf8;
  --surface: #ffffff;
  --border: #e4e0d8;
  --text: #1e1c19;
  --muted: #6b665e;
  --accent: #9a3f28;
  --accent-soft: #f3e6e1;
  --guide: #2c5c6b;
  --guide-soft: #e0edf1;
  --radius: 10px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #161513;
    --surface: #1e1d1a;
    --border: #322f2a;
    --text: #eceae6;
    --muted: #a09a90;
    --accent: #e08163;
    --accent-soft: #3a251e;
    --guide: #7fc0d4;
    --guide-soft: #1c3138;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  padding: 0 1.25rem 4rem;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
main, .site-header, .site-footer { max-width: 46rem; margin: 0 auto; }
a { color: var(--accent); }

.site-header { padding: 2.5rem 0 1.5rem; border-bottom: 1px solid var(--border); margin-bottom: 2rem; }
.site-title { display: block; font-size: 1.4rem; font-weight: 650; letter-spacing: -0.01em; color: var(--text); text-decoration: none; }
.site-tagline { margin: 0.35rem 0 0; color: var(--muted); font-size: 0.86rem; }

.toolbar { display: flex; gap: 0.75rem; align-items: center; margin-bottom: 1.75rem; }
#filter {
  flex: 1; padding: 0.6rem 0.8rem; font-size: 0.95rem; color: var(--text);
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
}
#filter:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
.count { margin: 0; color: var(--muted); font-size: 0.8rem; white-space: nowrap; }

.month { margin-bottom: 2.25rem; }
.month h2 {
  margin: 0 0 0.75rem; font-size: 0.75rem; font-weight: 650; text-transform: uppercase;
  letter-spacing: 0.08em; color: var(--muted);
}
.day-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 0.6rem; }
.day-item a {
  display: grid; grid-template-columns: 4.5rem 1fr auto; gap: 0.9rem; align-items: start;
  padding: 0.9rem 1rem; background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); text-decoration: none; color: inherit;
}
.day-item a:hover { border-color: var(--accent); }
.day-date { color: var(--muted); font-size: 0.8rem; font-variant-numeric: tabular-nums; padding-top: 0.1rem; }
.day-title { display: block; font-weight: 600; font-size: 0.97rem; }
.day-items { display: flex; flex-direction: column; gap: 0.15rem; margin-top: 0.35rem; }
.day-paper { color: var(--muted); font-size: 0.85rem; }
.day-paper em { font-style: normal; opacity: 0.8; }
.day-paper.more { font-size: 0.78rem; }

.chip {
  display: inline-block; padding: 0.15rem 0.5rem; border-radius: 999px;
  font-size: 0.68rem; font-weight: 650; text-transform: uppercase; letter-spacing: 0.05em;
  white-space: nowrap;
}
.chip-brief { background: var(--accent-soft); color: var(--accent); }
.chip-guidelines { background: var(--guide-soft); color: var(--guide); }

.entry-meta { display: flex; align-items: center; gap: 0.7rem; margin: 0 0 0.6rem; color: var(--muted); font-size: 0.83rem; }
.entry h1 { margin: 0 0 0.5rem; font-size: 1.6rem; line-height: 1.25; letter-spacing: -0.015em; }
.entry-summary { margin: 0 0 1.5rem; color: var(--muted); font-size: 1rem; }

.imported-note {
  margin: 0 0 1.5rem; padding: 0.6rem 0.85rem; font-size: 0.82rem; color: var(--muted);
  background: var(--surface); border: 1px dashed var(--border); border-radius: var(--radius);
}

.prose h2 { margin: 2.25rem 0 0.6rem; font-size: 1.18rem; line-height: 1.3; letter-spacing: -0.01em; }
.prose h3 { margin: 1.75rem 0 0.5rem; font-size: 1rem; color: var(--muted); }
.prose p { margin: 0 0 1rem; }
.prose ul, .prose ol { padding-left: 1.15rem; }
.prose li { margin-bottom: 0.35rem; }
.prose blockquote {
  margin: 1rem 0; padding: 0.6rem 1rem; border-left: 3px solid var(--border);
  background: var(--surface); color: var(--muted); border-radius: 0 var(--radius) var(--radius) 0;
}
.prose blockquote p:last-child { margin-bottom: 0; }
.prose hr { border: 0; border-top: 1px solid var(--border); margin: 2.5rem 0; }
.prose code { background: var(--surface); border: 1px solid var(--border); border-radius: 4px; padding: 0.1em 0.35em; font-size: 0.88em; }
.prose table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.prose td, .prose th { border-bottom: 1px solid var(--border); padding: 0.45rem 0.5rem; text-align: left; }

.entry-nav {
  display: flex; justify-content: space-between; align-items: center; gap: 1rem;
  margin-top: 3rem; padding-top: 1.25rem; border-top: 1px solid var(--border); font-size: 0.87rem;
}
.nav-side { flex: 1; }
.nav-right { text-align: right; }
.nav-home { color: var(--muted); }

.empty { text-align: center; color: var(--muted); padding: 3rem 0; }
.empty h1 { font-size: 1.2rem; color: var(--text); }

.site-footer { margin-top: 4rem; padding-top: 1.25rem; border-top: 1px solid var(--border); color: var(--muted); font-size: 0.78rem; }

@media (max-width: 34rem) {
  .day-item a { grid-template-columns: 1fr auto; }
  .day-date { grid-column: 1 / -1; }
  .toolbar .count { display: none; }
}