/* Card Grid */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(var(--card-width), 1fr));
  gap: var(--space-md);
}

/* Skill Card */
.skill-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius);
  padding: var(--space-lg);
  min-height: var(--card-min-height);
  display: flex;
  flex-direction: column;
  cursor: default;
  transition: border-color var(--transition-base),
              transform var(--transition-base),
              background-color var(--transition-base);
  contain: layout style paint;
}

.skill-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
  background: var(--bg-hover);
}

/* Card Header */
.card-header {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  margin-bottom: var(--space-xs);
}

.card-icon {
  width: 20px;
  height: 20px;
  color: var(--accent);
  flex-shrink: 0;
  margin-top: 2px;
}

.card-title-group {
  flex: 1;
  min-width: 0;
}

.card-title-row {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  margin-bottom: 2px;
}

.card-cn-name {
  font-family: var(--font-heading);
  font-size: var(--text-card-title);
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: -0.01em;
  color: var(--text-primary);
}

.card-en-name {
  font-family: var(--font-body);
  font-size: var(--text-card-sub);
  font-weight: 400;
  line-height: 1.5;
  color: var(--text-secondary);
  word-break: break-all;
}

/* Card Link */
.card-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  color: var(--text-tertiary);
  border-radius: 4px;
  transition: color var(--transition-fast), background-color var(--transition-fast);
  flex-shrink: 0;
}

.card-link:hover {
  color: var(--accent);
  background-color: var(--accent-soft);
}

/* Card Stars — 内联在英文名后面 */
.card-stars-inline {
  display: inline-flex;
  align-items: center;
  gap: 1px;
  margin-left: 6px;
  font-size: 10px;
  font-weight: 500;
  line-height: 1;
  color: #f5a623;
  white-space: nowrap;
  vertical-align: middle;
  letter-spacing: 0.5px;
}

/* Card Body — Grid overlay for smooth cross-fade */
.card-body {
  flex: 1;
  display: grid;
  grid-template-rows: 1fr;
  margin-top: var(--space-sm);
}

.card-summary,
.card-description,
.card-divider {
  grid-area: 1 / 1;
  align-self: start;
}

.card-summary {
  font-family: var(--font-body);
  font-size: var(--text-body);
  font-weight: 400;
  line-height: 1.6;
  color: var(--text-secondary);
  transition: opacity var(--transition-base);
  z-index: 1;
}

.skill-card:hover .card-summary {
  opacity: 0;
}

/* Card Description (hover reveal) */
.card-description {
  font-family: var(--font-body);
  font-size: var(--text-small);
  font-weight: 400;
  line-height: 1.6;
  color: var(--text-secondary);
  opacity: 0;
  transition: opacity var(--transition-base);
  z-index: 2;
}

.skill-card:hover .card-description {
  opacity: 1;
}

/* Divider on hover */
.card-divider {
  height: 1px;
  background: var(--border-default);
  margin: 0;
  opacity: 0;
  transition: opacity var(--transition-base);
  align-self: end;
  z-index: 3;
}

.skill-card:hover .card-divider {
  opacity: 1;
}

/* Load More Button */
.load-more-btn {
  display: block;
  width: 100%;
  padding: 12px;
  margin-top: var(--space-md);
  font-family: var(--font-body);
  font-size: var(--text-body);
  font-weight: 500;
  color: var(--accent);
  background: var(--bg-card);
  border: 1px dashed var(--border-default);
  border-radius: var(--radius);
  cursor: pointer;
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.load-more-btn:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
}

/* Subcategory Skill Count */
.search-truncated {
  padding: 12px 16px;
  margin-top: var(--space-md);
  font-size: var(--text-small);
  color: var(--text-tertiary);
  background: var(--bg-card);
  border: 1px dashed var(--border-default);
  border-radius: var(--radius);
  text-align: center;
}

.subcategory-count {
  font-size: var(--text-small);
  color: var(--text-tertiary);
  font-weight: 400;
}