/* =========================================
   استایل صفحه محصولات - سهند نیرو
   ========================================= */

/* ---------- گرید دسته‌بندی‌ها ---------- */

.categories-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

@media (max-width: 1024px) {
  .categories-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .categories-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

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

/* ---------- کارت دسته‌بندی ---------- */

.category-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  box-shadow: 0 2px 8px rgba(74, 74, 74, 0.05);
}

.category-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-accent);
  box-shadow: 0 12px 30px rgba(230, 51, 41, 0.15);
}

.category-card__image-wrap {
  aspect-ratio: 4 / 3;
  background: var(--color-bg);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.category-card__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-normal);
}

.category-card:hover .category-card__image {
  transform: scale(1.05);
}

.category-card__placeholder {
  color: var(--color-accent);
  opacity: 0.5;
}

.category-card__title {
  padding: 16px;
  font-size: 15px;
  font-weight: 700;
  color: var(--color-text);
  text-align: center;
  line-height: 1.6;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
}

.category-card:hover .category-card__title {
  color: var(--color-accent);
}

/* ---------- Empty State ---------- */

.products-empty {
  padding: 60px 20px;
  text-align: center;
  background: var(--color-surface);
  border-radius: var(--radius-md);
  border: 1px dashed var(--color-border-strong);
}

.products-empty__icon {
  width: 80px;
  height: 80px;
  border-radius: 22px;
  background: rgba(230, 51, 41, 0.08);
  color: var(--color-accent);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.products-empty__title {
  font-size: 18px;
  font-weight: 800;
  color: var(--color-text);
  margin-bottom: 8px;
}

.products-empty__text {
  color: var(--color-text-muted);
  font-size: 14px;
}