/**
 * Product Page Layout
 * TODO: Implement a product detail page with gallery, info panel, specs, and reviews
 * 
 * Requirements:
 * - Gallery and info panel should be side-by-side on wide screens, stacked on narrow
 * - Thumbnail strip should use Flexbox with gap
 * - Specifications should create responsive columns using flex-basis
 * - Reviews should use the media object pattern
 */

.product-container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: var(--spacing-xl);
}

/* Top section: wrap so it stacks on narrow screens */
.product-top {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xl);
  align-items: flex-start;
}

/* Gallery: larger than info panel */
.product-gallery {
  flex-grow: 2;
  flex-shrink: 1;
  flex-basis: 420px;
  min-width: 0;
}

.product-main-image {
  width: 100%;
  border-radius: var(--radius-med);
  margin-bottom: var(--spacing-med);
  border: 1px solid var(--color-border);
}

/* Thumbnail strip */
.product-thumbnails {
  display: flex;
  gap: var(--spacing-sm);
}

/* Fixed-ish thumbnails that can shrink */
.product-thumbnail {
  flex-grow: 0;
  flex-shrink: 1;
  flex-basis: 80px;

  width: 100%;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  transition: border-color var(--transition-base);
}

.product-thumbnail:hover,
.product-thumbnail.active {
  border-color: var(--color-primary);
}

/* Info panel: stacks content vertically */
.product-info {
  flex-grow: 1;
  flex-shrink: 1;
  flex-basis: 320px;

  display: flex;
  flex-direction: column;
  gap: var(--spacing-med);
  min-width: 0;
}

.product-title {
  margin-bottom: var(--spacing-sm);
}

.product-price {
  font-size: var(--font-size-xlarge);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  margin-bottom: var(--spacing-med);
}

.product-description {
  margin-bottom: var(--spacing-lg);
  line-height: var(--line-height-relaxed);
}

/* Actions: flex row with gap; allow wrapping if needed */
.product-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

/* Specs section */
.product-specs {
  margin-top: var(--spacing-xxl);
  padding-top: var(--spacing-xl);
  border-top: 1px solid var(--color-border);
}

.specs-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-med);
  align-content: flex-start; /* align-content requirement with wrapping rows */
  list-style: none;
  padding: 0;
  margin: 0;
}

.spec-item {
  flex-grow: 1;
  flex-shrink: 1;
  flex-basis: 200px;

  padding: var(--spacing-med);
  background-color: var(--color-surface);
  border-radius: var(--radius-sm);
}

.spec-label {
  font-weight: var(--font-weight-bold);
  color: var(--color-text-muted);
  font-size: var(--font-size-small);
  display: block;
  margin-bottom: var(--spacing-xs);
}

.spec-value {
  color: var(--color-text);
}

/* Reviews media object */
.product-reviews {
  margin-top: var(--spacing-xxl);
  padding-top: var(--spacing-xl);
  border-top: 1px solid var(--color-border);
}

.review {
  display: flex;
  gap: var(--spacing-lg);
  align-items: flex-start;

  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--color-border);
}

.review:last-child {
  border-bottom: none;
}

/* Avatar fixed width, no shrinking */
.review-avatar {
  flex-grow: 0;
  flex-shrink: 0;
  flex-basis: 60px;

  width: 60px;
  height: 60px;
  border-radius: 50%;
  background-color: var(--color-secondary);
}

/* Content grows; min-width:0 allows wrapping */
.review-content {
  flex-grow: 1;
  flex-shrink: 1;
  flex-basis: 0;

  min-width: 0;
}

.review-author {
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-xs);
}

.review-rating {
  color: var(--color-warning);
  margin-bottom: var(--spacing-sm);
}

.review-text {
  line-height: var(--line-height-relaxed);
}