/* ─────────────────────────────────────────────────────────────────
   SE Theme — Archive: Article Cards · Category Grid
   ───────────────────────────────────────────────────────────────── */

/* ── Base card ─────────────────────────────────────────────────── */
.se-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--t-mid), transform var(--t-mid), box-shadow var(--t-mid);
  display: flex;
  flex-direction: column;
}
.se-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}

/* ── Card thumbnail ──────────────────────────────────────────── */
.se-card-thumb {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
  flex-shrink: 0;
}
.se-card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--t-slow);
  margin: 0;
}
.se-card:hover .se-card-thumb img { transform: scale(1.04); }

.se-card-thumb-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 40%, rgba(5,10,15,.8) 100%);
  pointer-events: none;
}

/* Category badge on thumbnail */
.se-card-cat {
  position: absolute;
  top: var(--s3);
  left: var(--s3);
  background: rgba(5,10,15,.8);
  border: 1px solid var(--border);
  backdrop-filter: blur(6px);
  font-family: var(--font-ui);
  font-size: .65rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--clr-neon);
  padding: 2px 8px;
  border-radius: 20px;
  text-decoration: none;
}
.se-card-cat:hover { color: var(--text-bright); }

/* XP badge on thumbnail */
.se-card-xp {
  position: absolute;
  top: var(--s3);
  right: var(--s3);
  background: rgba(0,255,231,.12);
  border: 1px solid rgba(0,255,231,.25);
  font-family: var(--font-mono);
  font-size: .65rem;
  color: var(--clr-neon);
  padding: 2px 8px;
  border-radius: 20px;
}

/* ── Card body ──────────────────────────────────────────────── */
.se-card-body {
  padding: var(--s4);
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--s2);
}

.se-card-title {
  font-family: var(--font-ui);
  font-size: .95rem;
  font-weight: 700;
  color: var(--text-bright);
  line-height: 1.35;
  margin: 0;
}
.se-card-title a {
  color: inherit;
  text-decoration: none;
  transition: color var(--t-fast);
}
.se-card-title a:hover { color: var(--clr-neon); }

.se-card-excerpt {
  font-size: .82rem;
  color: var(--text-dim);
  line-height: 1.55;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.se-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-ui);
  font-size: .7rem;
  color: var(--text-dim);
  margin-top: auto;
  padding-top: var(--s2);
  border-top: 1px solid rgba(255,255,255,.04);
}
.se-card-meta-left { display: flex; align-items: center; gap: var(--s3); }
.se-card-read-time { display: flex; align-items: center; gap: 3px; }

/* ── Featured card (first on archive) ───────────────────────── */
.se-card--featured {
  grid-column: 1 / -1;
}
.se-card--featured .se-card-thumb { aspect-ratio: 3/1; }
.se-card--featured .se-card-title { font-size: 1.3rem; }
.se-card--featured .se-card-body  { padding: var(--s5); }
.se-card--featured .se-card-excerpt {
  -webkit-line-clamp: 2;
  font-size: .9rem;
}

/* ── Compact card (sidebar related posts) ───────────────────── */
.se-card--compact {
  flex-direction: row;
  gap: var(--s3);
}
.se-card--compact .se-card-thumb {
  width: 80px;
  aspect-ratio: 1;
  flex-shrink: 0;
  border-radius: var(--radius);
}
.se-card--compact .se-card-body { padding: var(--s2) var(--s2) var(--s2) 0; }
.se-card--compact .se-card-title { font-size: .82rem; }
.se-card--compact .se-card-excerpt,
.se-card--compact .se-card-meta,
.se-card--compact .se-card-cat,
.se-card--compact .se-card-xp { display: none; }

/* ── Category archive header ────────────────────────────────── */
.se-archive-header {
  padding: var(--s8) 0 var(--s6);
  text-align: center;
  position: relative;
}
.se-archive-header::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 2px;
  background: var(--clr-neon);
  box-shadow: var(--glow-neon);
}
.se-archive-tag {
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: 4px;
  color: var(--clr-neon);
  text-transform: uppercase;
  margin-bottom: var(--s2);
}
.se-archive-title {
  font-size: clamp(1.8rem, 5vw, 3rem);
  margin-bottom: var(--s3);
}
.se-archive-desc {
  font-size: .95rem;
  color: var(--text-dim);
  max-width: 540px;
  margin: 0 auto;
}
.se-archive-count {
  margin-top: var(--s3);
  font-family: var(--font-mono);
  font-size: .75rem;
  color: var(--text-dim);
}
.se-archive-count strong { color: var(--clr-neon); }

/* ── Search results page ────────────────────────────────────── */
.se-search-results .se-card-grid { margin-top: var(--s5); }

.se-search-header {
  padding: var(--s6) 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: var(--s6);
}
.se-search-query {
  font-family: var(--font-mono);
  font-size: 1.2rem;
  color: var(--clr-neon);
}

/* ── Featured card mobile: vertical, 16:9 thumb, standard title size ──── */
/* On mobile the featured card stays vertical (same as non-featured)       */
/* but with a 16:9 thumbnail instead of the 3:1 wide-screen desktop ratio. */
@media (max-width: 767px) {
  /* Hard-reset to vertical — no horizontal thumbnail layout on mobile */
  .se-card--featured {
    display: block;
  }
  .se-card--featured .se-card-thumb {
    width: 100%;
    aspect-ratio: 16 / 9; /* tighter than 3:1 desktop — shows image properly */
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  }
  .se-card--featured .se-card-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
  }
  .se-card--featured .se-card-title {
    font-size: .95rem; /* matches regular cards — no oversized title */
    line-height: 1.35;
  }
  .se-card--featured .se-card-body {
    padding: var(--s3) var(--s4);
  }
  .se-card--featured .se-card-excerpt {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    font-size: .8rem;
  }
}