/* ── Reset & base ─────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: system-ui, -apple-system, sans-serif;
  background: #f4f4f5;
  color: #18181b;
  line-height: 1.6;
  padding: 2rem 1rem;
}

main {
  max-width: 680px;
  margin: 0 auto;
}

/* ── Article ──────────────────────────────────────────────────────── */
article {
  background: #fff;
  border-radius: 12px;
  padding: 2rem;
  box-shadow: 0 1px 4px rgba(0,0,0,.08);
  margin-bottom: 2.5rem;
}

article h1 {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: .5rem;
}

.byline {
  font-size: .875rem;
  color: #71717a;
  margin-bottom: 1.25rem;
}

article p {
  margin-bottom: 1rem;
}

article p:last-child {
  margin-bottom: 0;
}

/* ── Section heading ──────────────────────────────────────────────── */
#card-section h2 {
  font-size: 1rem;
  font-weight: 600;
  color: #52525b;
  margin-bottom: .5rem;
}

#card-section > p {
  font-size: .875rem;
  color: #71717a;
  margin-bottom: 1rem;
}

/* ── Card ─────────────────────────────────────────────────────────── */
.card {
  background: #fff;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 1px 4px rgba(0,0,0,.08);
  border: 1px solid #e4e4e7;
  max-width: 480px;
}

.card__image {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  display: block;
}

.card__body {
  padding: 1rem 1.25rem 1.25rem;
}

.card__title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: .4rem;
  color: #18181b;
}

.card__description {
  font-size: .875rem;
  color: #52525b;
  margin-bottom: .75rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card__author {
  font-size: .8125rem;
  color: #71717a;
  display: flex;
  align-items: center;
  gap: .5rem;
}

.card__author-avatar {
  width: 24px;
  height: 24px;
  border-radius: 999px;
  object-fit: cover;
  flex: 0 0 auto;
}

.card__author-name {
  min-width: 0;
}

/* ── atproto enhancement ──────────────────────────────────────────── */
.card--atproto {
  border-color: #0085ff;
}

.card--atproto .card__body {
  border-top: 3px solid #0085ff;
}

.card__atproto-meta {
  margin-top: .75rem;
  padding-top: .75rem;
  border-top: 1px solid #f4f4f5;
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  align-items: center;
  font-size: .75rem;
}

.card__atproto-badge {
  background: #0085ff;
  color: #fff;
  border-radius: 4px;
  padding: 2px 7px;
  font-weight: 600;
  letter-spacing: .03em;
  font-size: .6875rem;
}

.card__atproto-handle {
  color: #0085ff;
  font-weight: 500;
}

.card__atproto-did {
  color: #a1a1aa;
  font-family: ui-monospace, monospace;
}

.card__atproto-feed {
  color: #0085ff;
  text-decoration: none;
  font-weight: 500;
}

.card__atproto-feed:hover {
  text-decoration: underline;
}