/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 32px;
  font-size: 15px;
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-white);
}

.btn-primary:hover {
  background: var(--color-primary-dark);
}

.btn-outline {
  border: 1px solid var(--color-primary);
  color: var(--color-primary);
  background: transparent;
}

.btn-outline:hover {
  background: var(--color-primary);
  color: var(--color-white);
}

/* Product Card */
a.product-card {
  display: block;
  color: inherit;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
}

.product-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: box-shadow var(--transition), transform var(--transition);
}

.product-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}


.product-card-image {
  aspect-ratio: 4/3;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  background: var(--color-bg-light);
}

.product-card-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 12px;
}

.product-detail-img {
  width: 85%;
  max-width: 400px;
  height: auto;
  object-fit: contain;
}

.gallery-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.gallery-item {
  aspect-ratio: 4/3;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-bg-light);
}

.product-card-image .tablet-icon {
  width: 60%;
  max-width: 200px;
}

.product-card-body {
  padding: var(--spacing-sm);
}

.product-card-series {
  font-size: 12px;
  color: var(--color-primary);
  font-weight: 500;
  margin-bottom: 4px;
}

.product-card-name {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 4px;
}

.product-card-config {
  font-size: 13px;
  color: var(--color-text-light);
  margin-bottom: 8px;
}

.product-card-price {
  font-size: 18px;
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: 12px;
}

.product-card-link {
  display: inline-block;
  font-size: 14px;
  color: var(--color-primary);
  font-weight: 500;
}

.product-card-link:hover {
  text-decoration: underline;
}

/* Series Banner */
.series-banner {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  padding: var(--spacing-lg);
  background: var(--color-bg-light);
  border-radius: var(--radius-lg);
  margin-bottom: var(--spacing-md);
  transition: box-shadow var(--transition);
}

.series-banner:hover {
  box-shadow: var(--shadow-md);
}

.series-banner-content {
  flex: 1;
}

.series-banner-tag {
  font-size: 13px;
  color: var(--color-primary);
  font-weight: 500;
  margin-bottom: 8px;
}

.series-banner-title {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 8px;
}

.series-banner-desc {
  font-size: 15px;
  color: var(--color-text-light);
  margin-bottom: 16px;
}

.series-banner-visual {
  width: 280px;
  height: 200px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* Filters */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
  padding: var(--spacing-sm);
  background: var(--color-bg-light);
  border-radius: var(--radius-md);
}

.filter-group {
  display: flex;
  align-items: center;
  gap: 8px;
}

.filter-label {
  font-size: 14px;
  color: var(--color-text-light);
  font-weight: 500;
}

.filter-btn {
  padding: 6px 16px;
  font-size: 13px;
  border: 1px solid var(--color-border);
  border-radius: 20px;
  background: var(--color-white);
  color: var(--color-text);
  transition: var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: rgba(230, 0, 18, 0.05);
}

.color-dot {
  display: inline-block;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 1px solid rgba(0, 0, 0, 0.1);
  vertical-align: middle;
  margin-right: 4px;
}

/* Tabs */
.tabs {
  display: flex;
  border-bottom: 2px solid var(--color-border);
  margin-bottom: var(--spacing-md);
}

.tab-btn {
  padding: 12px 24px;
  font-size: 15px;
  color: var(--color-text-light);
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: var(--transition);
}

.tab-btn:hover,
.tab-btn.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
}

/* Spec Table */
.spec-table {
  width: 100%;
}

.spec-table tr:nth-child(even) {
  background: var(--color-bg-light);
}

.spec-table td {
  padding: 12px 16px;
  font-size: 14px;
  border-bottom: 1px solid var(--color-border);
}

.spec-table td:first-child {
  width: 30%;
  color: var(--color-text-light);
  font-weight: 500;
}

/* Variant Selectors */
.variant-section {
  margin-bottom: var(--spacing-sm);
}

.variant-label {
  font-size: 14px;
  color: var(--color-text-light);
  margin-bottom: 8px;
}

.variant-options {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.variant-btn {
  padding: 8px 16px;
  font-size: 13px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-white);
  transition: var(--transition);
}

.variant-btn:hover {
  border-color: var(--color-primary);
}

.variant-btn.active {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: rgba(230, 0, 18, 0.05);
}

.variant-btn.disabled {
  opacity: 0.4;
  pointer-events: none;
}

/* Feature List */
.feature-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-sm);
}

.feature-item {
  padding: var(--spacing-sm);
  background: var(--color-bg-light);
  border-radius: var(--radius-md);
}

.feature-item h4 {
  font-size: 15px;
  margin-bottom: 4px;
  color: var(--color-text);
}

.feature-item p {
  font-size: 13px;
  color: var(--color-text-light);
}

/* Gallery */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-sm);
}

/* Tablet SVG placeholder backgrounds - fallback when image fails */
.bg-a5-grey { background: linear-gradient(135deg, #E8E8ED 0%, #C8C8CD 100%); }
.bg-a5-blue { background: linear-gradient(135deg, #D6E4F0 0%, #7EB8DA 100%); }
.bg-a5-purple { background: linear-gradient(135deg, #E8D6F0 0%, #B07ED8 100%); }
.bg-a6-grey { background: linear-gradient(135deg, #D0D0D5 0%, #98989D 100%); }
.bg-a6-blue { background: linear-gradient(135deg, #C0D8F0 0%, #5090C8 100%); }
.bg-a6-purple { background: linear-gradient(135deg, #D8C0E8 0%, #9060B8 100%); }
.bg-s1 { background: linear-gradient(135deg, #2A2A2A 0%, #1A1A1A 50%, #C8A040 100%); }

@media (max-width: 768px) {
  .product-grid {
    grid-template-columns: 1fr;
  }

  .series-banner {
    flex-direction: column;
    text-align: center;
  }

  .series-banner-visual {
    width: 100%;
    height: 160px;
  }

  .feature-list {
    grid-template-columns: 1fr;
  }

  .gallery-grid {
    grid-template-columns: 1fr;
  }
}