:root {
  --bg: #f4f5f8;        /* light gray background */
  --card: #ffffff;      /* white cards */
  --text: #1a1a1a;      /* dark text */
  --muted: #666;        /* muted gray */
  --link: #0066cc;      /* medium blue links */
}

* { box-sizing: border-box }

body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Inter, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}

header {
  position: sticky;
  top: 0;
  background: linear-gradient(180deg, #ffffff, #f4f5f8ee 70%, transparent);
  backdrop-filter: saturate(1.1) blur(6px);
  padding: 18px;
  border-bottom: 1px solid #ddd;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 18px;
}

.brand {
  font-weight: 700;
  letter-spacing: .2px;
}

.searchbar {
  display: flex;
  gap: 10px;
  margin: 8px 0;
}

input, select {
  background: #fff;
  color: var(--text);
  border: 1px solid #ccc;
  border-radius: 10px;
  padding: 10px;
}

article.card {
  background: var(--card);
  border: 1px solid #ddd;
  border-radius: 16px;
  padding: 16px;
  margin-bottom: 14px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

article.card h3 {
  margin: .2rem 0;
  font-size: 1.1rem;
}

.meta {
  color: var(--muted);
  font-size: .85rem;
}

.tags {
  font-size: .8rem;
  color: #888;
}

footer {
  color: #666;
  text-align: center;
  padding: 40px 0;
}

.link {
  color: var(--link);
  text-decoration: none;
}

img.thumb {
  width: 100%;
  max-height: 240px;
  object-fit: cover;
  border-radius: 12px;
  border: 1px solid #ddd;
}

.grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

@media (min-width: 900px) {
  .grid { grid-template-columns: 1fr 1fr; }
}

em { font-style: italic; color: inherit; }