:root {
  --bg: #f4f6fb;
  --panel: #ffffff;
  --ink: #1a2230;
  --ink-soft: #5b6472;
  --brand: #17365d;
  --brand-2: #2f6fb0;
  --line: #e2e7f0;
  --accent: #c9a227;
  --shadow: 0 1px 2px rgba(16, 24, 40, .06), 0 4px 14px rgba(16, 24, 40, .06);
  --radius: 12px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f141c;
    --panel: #171e2a;
    --ink: #eef2f8;
    --ink-soft: #a4afbf;
    --brand: #dbe7f5;
    --brand-2: #6fa8dc;
    --line: #26303f;
    --shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 6px 18px rgba(0, 0, 0, .35);
  }
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
.site-header {
  background: linear-gradient(135deg, var(--brand), #0d2340);
  color: #fff;
  padding: 34px 0 26px;
  border-bottom: 3px solid var(--accent);
}
@media (prefers-color-scheme: dark) {
  .site-header { background: linear-gradient(135deg, #16233a, #0b1220); }
}
.site-header h1 {
  margin: 0;
  font-size: clamp(1.5rem, 2.6vw, 2.1rem);
  font-weight: 700;
  letter-spacing: .2px;
  color: #fff;
}
.site-header .dash { opacity: .6; font-weight: 400; }
.tagline {
  margin: 6px 0 18px;
  color: #cdd9ea;
  font-size: .95rem;
}

/* Search */
.search-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
#search {
  flex: 1 1 320px;
  min-width: 0;
  font-size: 1rem;
  padding: 12px 16px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, .25);
  background: rgba(255, 255, 255, .96);
  color: #1a2230;
  box-shadow: var(--shadow);
  outline: none;
}
#search::placeholder { color: #7a8494; }
#search:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(201, 162, 39, .35); }
.count {
  color: #cdd9ea;
  font-size: .9rem;
  white-space: nowrap;
}

/* Main */
main.wrap { padding-top: 26px; padding-bottom: 40px; }
.status, .empty {
  color: var(--ink-soft);
  text-align: center;
  padding: 40px 0;
}
.error { color: #c0392b; }

/* Category sections */
.category {
  margin: 0 0 30px;
}
.category h2 {
  font-size: 1.05rem;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--brand-2);
  margin: 0 0 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: baseline;
  gap: 10px;
}
.category h2 .n {
  font-size: .8rem;
  color: var(--ink-soft);
  letter-spacing: 0;
  text-transform: none;
}

/* Grid of booklets */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 14px;
}
.card {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
  text-decoration: none;
  color: inherit;
  box-shadow: var(--shadow);
  transition: transform .12s ease, border-color .12s ease, box-shadow .12s ease;
}
.card:hover, .card:focus-visible {
  transform: translateY(-2px);
  border-color: var(--brand-2);
  outline: none;
  box-shadow: 0 2px 6px rgba(16, 24, 40, .1), 0 10px 24px rgba(16, 24, 40, .12);
}
.card .icon {
  flex: 0 0 auto;
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  background: rgba(47, 111, 176, .12);
  color: var(--brand-2);
  font-size: 1.3rem;
}
.card .meta { min-width: 0; }
.card .title {
  font-weight: 600;
  font-size: 1rem;
  margin: 0 0 3px;
  overflow-wrap: anywhere;
}
.card .sub {
  font-size: .82rem;
  color: var(--ink-soft);
  display: flex;
  gap: 8px;
  align-items: center;
}
.card .badge {
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .05em;
  color: #b23b3b;
  background: rgba(178, 59, 59, .1);
  padding: 1px 6px;
  border-radius: 5px;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 18px 0 34px;
  color: var(--ink-soft);
  font-size: .82rem;
  text-align: center;
}

mark {
  background: rgba(201, 162, 39, .38);
  color: inherit;
  border-radius: 3px;
  padding: 0 1px;
}