:root {
  --max: 1150px;
  --muted: #666;
  --primary: #007bff;
}

/* ===== RESET ===== */
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: Inter, system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  background: #fff;
  color: #111;
  line-height: 1.5;
}

/* ===== CATEGORY BAR ===== */
.catbar {
  max-width: var(--max);
  margin: 14px auto 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  padding: 0 10px;
}
.catbar a {
  padding: 6px 12px;
  border: 1px solid #ddd;
  border-radius: 999px;
  text-decoration: none;
  color: #111;
  font-size: .92rem;
}
.catbar a.active,
.catbar a:hover {
  background: #f0f6ff;
  border-color: #cfe3ff;
}

/* ===== GRID ===== */
.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 20px 16px;
}
.grid {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 24px;
}
@media (max-width: 992px) {
  .grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .grid { grid-template-columns: repeat(1, 1fr); }
}

/* ===== CARD ===== */
.card {
  background: #fafafa;
  border: 1px solid #eee;
  border-radius: 10px;
  overflow: hidden;
  transition: transform .15s, box-shadow .15s;
  box-shadow: 0 1px 4px rgba(0,0,0,.05);
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 4px 10px rgba(0,0,0,.08);
}
.card a {
  display: block;
  color: inherit;
  text-decoration: none;
}
.card img {
  width: 100%;
  height: 150px;
  object-fit: cover;
  display: block;
}
.cbody { padding: 10px 12px; }
.cbody h3 {
  font-size: 1rem;
  margin-bottom: 4px;
  line-height: 1.3;
}
.meta {
  color: var(--muted);
  font-size: .9rem;
}

/* ===== FOOTER ===== */
footer.site {
  border-top: 1px solid #eee;
  padding: 20px 0;
  text-align: center;
  font-size: .9rem;
  color: var(--muted);
  margin-top: 40px;
}
.footer-links a {
  color: inherit;
  text-decoration: none;
  margin: 0 4px;
}
.footer-links a:hover { text-decoration: underline; }

/* ===== DARK MODE ===== */
body.dark {
  background: #0d0d0d;
  color: #eaeaea;
}
body.dark .card {
  background: #1a1a1a;
  border-color: #333;
}
body.dark .meta {
  color: #bbb;
}
body.dark .catbar a {
  border-color: #333;
  color: #ccc;
}
body.dark .catbar a.active,
body.dark .catbar a:hover {
  background: #222;
}
body.dark footer.site {
  border-color: #333;
  color: #bbb;
}