/* Categories Card Grid Layout */
.categories-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 24px;
  padding: 20px 0;
  max-width: 900px;
  margin: 0 auto;
}

.category-card {
  position: relative;
  background: var(--card-bg, #fff);
  border-radius: 16px;
  padding: 32px 24px;
  text-align: center;
  cursor: pointer;
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
  overflow: hidden;
  text-decoration: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  border: 1px solid rgba(0, 0, 0, 0.05);
}

.category-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  border-radius: 16px 16px 0 0;
  transition: height 0.35s ease;
}

.category-card:nth-child(1)::before { background: linear-gradient(135deg, #667eea, #764ba2); }
.category-card:nth-child(2)::before { background: linear-gradient(135deg, #f093fb, #f5576c); }
.category-card:nth-child(3)::before { background: linear-gradient(135deg, #4facfe, #00f2fe); }
.category-card:nth-child(4)::before { background: linear-gradient(135deg, #43e97b, #38f9d7); }
.category-card:nth-child(5)::before { background: linear-gradient(135deg, #fa709a, #fee140); }

.category-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.15);
}

.category-card:hover::before {
  height: 6px;
}

.category-card-icon {
  width: 80px;
  height: 80px;
  margin-bottom: 16px;
  object-fit: contain;
  transition: transform 0.35s ease;
}

.category-card:hover .category-card-icon {
  transform: scale(1.1);
}

.category-card-title {
  font-size: 1.3em;
  font-weight: 700;
  color: var(--font-color, #333);
  margin-bottom: 8px;
  letter-spacing: 0.5px;
}

.category-card-desc {
  font-size: 0.88em;
  color: var(--font-color-secondary, #888);
  line-height: 1.5;
  margin-bottom: 12px;
}

.category-card-count {
  display: inline-block;
  background: linear-gradient(135deg, #667eea22, #764ba222);
  color: var(--font-color, #555);
  padding: 4px 14px;
  border-radius: 20px;
  font-size: 0.82em;
  font-weight: 500;
}

/* Dark mode */
[data-theme="dark"] .category-card {
  background: var(--card-bg, #1d1e22);
  border-color: rgba(255, 255, 255, 0.08);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .category-card:hover {
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.4);
}

[data-theme="dark"] .category-card-count {
  background: linear-gradient(135deg, #667eea33, #764ba233);
}

/* Responsive */
@media screen and (max-width: 768px) {
  .categories-card-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    padding: 12px 0;
  }
  .category-card {
    padding: 24px 16px;
  }
  .category-card-icon {
    width: 60px;
    height: 60px;
  }
  .category-card-title {
    font-size: 1.1em;
  }
}

@media screen and (max-width: 480px) {
  .categories-card-grid {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }
}