/* ==========================================================================
   榴莲社区 · 分类页样式
   参照 linux.do /categories：左列分类卡 + 右列最新话题
   ========================================================================== */

.cat-page {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 20px;
  align-items: start;
}

/* ---------------- 左列：分类卡 ---------------- */

.cat-list {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--secondary);
  overflow: hidden;
}

.cl-head {
  display: grid;
  grid-template-columns: 1fr auto;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
  font-weight: 600;
  color: var(--text2);
}

.cat-card {
  display: block;
  padding: 14px 16px 16px;
  border-bottom: 1px solid var(--border);
  text-decoration: none;
  color: inherit;
  transition: background .1s;
}

.cat-card:last-child { border-bottom: none; }
.cat-card:hover { background: var(--hover); }

.cc-top {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
}

.cc-icon {
  width: 18px;
  height: 18px;
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.cc-name {
  font-size: 15.5px;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.2px;
}

.cc-count {
  margin-left: auto;
  font-size: 12.5px;
  color: var(--faint);
  white-space: nowrap;
}

.cc-count b {
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
}

.cc-art {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 72px;
  margin-bottom: 8px;
  opacity: .28;
}

.cc-desc {
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
  max-width: 620px;
}

/* ---------------- 右列：最新话题 ---------------- */

.cat-side {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--secondary);
  overflow: hidden;
  position: sticky;
  top: calc(var(--header-h) + 16px);
}

.cs-head {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
  font-weight: 600;
  color: var(--text2);
}

.cs-body { padding: 4px 0; }

.cs-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 11px 14px;
  text-decoration: none;
  color: inherit;
  transition: background .1s;
}

.cs-item:hover { background: var(--hover); }

.cs-av {
  width: 28px; height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 2px;
}

.cs-body { flex: 1; min-width: 0; }

.cs-title {
  display: block;
  font-size: 13.5px;
  line-height: 1.45;
  color: var(--text);
  font-weight: 500;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.cs-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 5px;
  flex-wrap: wrap;
}

.cat-badge.sm {
  font-size: 11.5px;
  padding: 1px 6px;
  gap: 3px;
}

.cat-badge.sm .ic { width: 12px; height: 12px; }

.cs-time {
  font-size: 11.5px;
  color: var(--faint);
}

.cs-num {
  font-size: 13px;
  color: var(--muted);
  flex-shrink: 0;
  min-width: 26px;
  text-align: right;
  margin-top: 2px;
}

.cs-empty {
  padding: 30px 16px;
  text-align: center;
  color: var(--faint);
  font-size: 13px;
}

/* 分类页高亮当前 tab */
.tab-links a.active-cat {
  color: var(--tertiary);
  font-weight: 600;
}

@media (max-width: 1080px) {
  .cat-page { grid-template-columns: 1fr; }
  .cat-side { position: static; }
}

@media (max-width: 720px) {
  .cc-art { height: 56px; }
  .cc-desc { font-size: 12.5px; }
}