/* ==========================================
   NeuralWorks — Product Page CSS
   ========================================== */

/* ---- Breadcrumb ---- */
.product-breadcrumb {
  padding: calc(var(--nav-height) + 24px) 0 16px;
  background: var(--bg-primary);
}

.breadcrumb-list {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.breadcrumb-list li {
  display: flex;
  align-items: center;
  gap: 8px;
}

.breadcrumb-list a {
  color: var(--text-muted);
  font-size: 0.88rem;
  font-weight: 500;
  transition: color var(--transition-fast);
}

.breadcrumb-list a:hover {
  color: var(--accent-primary);
}

.breadcrumb-list svg {
  color: var(--text-muted);
  flex-shrink: 0;
}

#breadcrumb-current {
  color: var(--text-secondary);
  font-size: 0.88rem;
  font-weight: 600;
}

/* ---- Loading Skeleton ---- */
.product-loading {
  padding: 40px 0 80px;
}

.product-loading-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.product-loading-image {
  aspect-ratio: 16/9;
  border-radius: var(--radius-lg);
}

.product-loading-details {
  display: flex;
  flex-direction: column;
  gap: 0;
}

/* ---- Product Content ---- */
.product-content {
  padding: 24px 0 80px;
}

/* ---- Product Hero Layout ---- */
.product-hero {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 56px;
  align-items: start;
  margin-bottom: 64px;
}

/* ---- Main Image ---- */
.product-image-wrap {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-card);
  border: var(--border-glass);
  box-shadow: var(--shadow-md);
  aspect-ratio: 16/9;
}

.product-main-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.product-image-wrap:hover .product-main-image {
  transform: scale(1.03);
}

.product-image-badges {
  position: absolute;
  top: 16px;
  left: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.product-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.product-badge-popular {
  background: var(--gradient-primary);
  color: #fff;
}

.product-badge-recommended {
  background: rgba(78, 205, 196, 0.15);
  border: 1px solid rgba(78, 205, 196, 0.4);
  color: var(--accent-secondary);
}

.product-badge-label {
  background: rgba(255, 215, 0, 0.15);
  border: 1px solid rgba(255, 215, 0, 0.4);
  color: #ffd700;
}

/* ---- Product Details Panel ---- */
.product-details {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.product-category {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(108, 99, 255, 0.12);
  border: 1px solid rgba(108, 99, 255, 0.25);
  color: var(--accent-primary);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 5px 14px;
  border-radius: var(--radius-full);
  margin-bottom: 16px;
  width: fit-content;
}

.product-title {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  color: var(--text-primary);
  margin-bottom: 10px;
  line-height: 1.2;
}

.product-subtitle {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: 20px;
  font-weight: 500;
}

/* ---- Rating ---- */
.product-rating-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.product-stars {
  display: flex;
  gap: 3px;
  color: var(--accent-gold);
  font-size: 1rem;
}

.product-rating-value {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
}

.product-reviews {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ---- Price ---- */
.product-price-block {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 28px;
  padding: 20px 24px;
  background: rgba(108, 99, 255, 0.08);
  border: 1px solid rgba(108, 99, 255, 0.2);
  border-radius: var(--radius-md);
}

.product-price {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.product-discount {
  font-size: 1rem;
  color: var(--text-muted);
  text-decoration: line-through;
}

/* ---- Meta Grid ---- */
.product-meta-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 28px;
}

.product-meta-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 16px;
  background: var(--bg-glass);
  border: var(--border-glass);
  border-radius: var(--radius-md);
  backdrop-filter: blur(12px);
}

.product-meta-label {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.product-meta-value {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-primary);
}

/* ---- Description Block ---- */
.product-description-block {
  margin-bottom: 32px;
}

.product-section-label {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
}

.product-description {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* ---- CTA Buttons ---- */
.product-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin-top: 28px;
  margin-bottom: 12px;
  width: 100%;
}

.product-cta-primary,
.product-cta-secondary,
.product-cta-share {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 26px;
  font-size: 0.98rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  text-decoration: none;
  white-space: nowrap;
  box-sizing: border-box;
  flex: 1 1 200px;
  min-width: 180px;
  transition: all var(--transition-base);
}

.product-cta-primary svg,
.product-cta-secondary svg,
.product-cta-share svg {
  flex-shrink: 0;
}

/* ---- Feature & Tech Panels ---- */
.product-panels {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  margin-bottom: 48px;
}

.product-panel {
  background: var(--bg-glass);
  border: var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 32px;
  backdrop-filter: blur(20px);
  transition: all var(--transition-base);
}

.product-panel:hover {
  border-color: rgba(108, 99, 255, 0.3);
  box-shadow: var(--shadow-sm);
}

.product-panel-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.product-panel-icon {
  font-size: 1.2rem;
  line-height: 1;
}

/* Features list */
.product-features-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.product-feature-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.product-feature-check {
  width: 22px;
  height: 22px;
  background: rgba(78, 205, 196, 0.15);
  border: 1px solid rgba(78, 205, 196, 0.4);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--accent-secondary);
}

/* Tech tags */
.product-tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tech-tag {
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  background: rgba(108, 99, 255, 0.1);
  border: 1px solid rgba(108, 99, 255, 0.25);
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--accent-primary);
  transition: all var(--transition-fast);
}

.tech-tag:hover {
  background: rgba(108, 99, 255, 0.2);
  border-color: rgba(108, 99, 255, 0.5);
  transform: translateY(-2px);
}

/* ---- Status Badge ---- */
.product-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.product-status.available {
  background: rgba(78, 205, 196, 0.12);
  border: 1px solid rgba(78, 205, 196, 0.3);
  color: var(--accent-secondary);
}

.product-status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  animation: dotPulse 2s ease-in-out infinite;
}

/* ---- Error State ---- */
.product-error {
  padding: 120px 0;
  text-align: center;
}

.product-error-content {
  max-width: 480px;
  margin: 0 auto;
}

.product-error-icon {
  font-size: 4rem;
  margin-bottom: 24px;
}

.product-error h1 {
  font-size: 2rem;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.product-error p {
  color: var(--text-secondary);
  margin-bottom: 36px;
  font-size: 1rem;
}

/* ---- Back button ---- */
.product-back-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-full);
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  color: var(--text-secondary);
  font-size: 0.88rem;
  font-weight: 600;
  text-decoration: none;
  transition: all var(--transition-fast);
  margin-bottom: 32px;
  width: fit-content;
}

.product-back-btn:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  background: rgba(108, 99, 255, 0.08);
}

/* ==========================================
   PRODUCT REVIEWS SECTION (Supabase)
   ========================================== */
.product-reviews-section {
  margin-top: 56px;
  padding: 36px;
  background: var(--bg-card);
  border: var(--border-glass);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.reviews-section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
  margin-bottom: 32px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border-subtle);
}

.reviews-subtitle {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-top: 4px;
}

.reviews-score-badge {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 18px;
  border-radius: var(--radius-md);
  background: rgba(108, 99, 255, 0.1);
  border: 1px solid rgba(108, 99, 255, 0.25);
}

.reviews-score-num {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--text-primary);
  font-family: var(--font-display);
}

.reviews-score-meta {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.reviews-score-stars {
  color: #ffb800;
  font-size: 1rem;
  letter-spacing: 2px;
}

.reviews-score-count {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.review-form-wrap {
  margin-bottom: 28px;
}

.review-form,
.review-login-prompt {
  padding: 20px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
}

.review-login-prompt,
.review-form-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
}

.review-form-heading {
  color: var(--text-primary);
  font-weight: 700;
  margin-bottom: 12px;
}

.review-stars-picker {
  display: flex;
  gap: 4px;
  margin-bottom: 14px;
}

.review-star-choice {
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--text-muted);
  font-size: 1.8rem;
  line-height: 1;
  cursor: pointer;
  transition: color 0.15s ease, transform 0.15s ease;
}

.review-star-choice:hover,
.review-star-choice.selected {
  color: #ffb800;
  transform: scale(1.08);
}

.review-comment-input {
  width: 100%;
  min-height: 82px;
  margin-bottom: 14px;
  padding: 12px 14px;
  resize: vertical;
  color: var(--text-primary);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  font: inherit;
}

.review-form-hint {
  color: var(--text-muted);
  font-size: 0.82rem;
}

.review-actions {
  display: flex;
  gap: 8px;
  margin-top: 14px;
}

.review-action-btn {
  padding: 5px 10px;
  color: var(--text-secondary);
  background: transparent;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.8rem;
}

.review-action-btn:hover {
  color: var(--text-primary);
  border-color: var(--accent-primary);
}

.review-action-danger:hover {
  color: #ef4444;
  border-color: #ef4444;
}

.reviews-list {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.review-item {
  padding: 22px 24px;
  border-radius: var(--radius-md);
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.review-item:hover {
  border-color: rgba(108, 99, 255, 0.3);
  transform: translateY(-2px);
}

.review-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 12px;
}

.review-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.review-avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid rgba(108, 99, 255, 0.3);
}

.review-author-name {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.review-stars {
  color: #ffb800;
  font-size: 0.9rem;
  letter-spacing: 2px;
}

.review-date {
  font-size: 0.82rem;
  color: var(--text-muted);
  white-space: nowrap;
}

.review-comment {
  font-size: 0.95rem;
  line-height: 1.65;
  color: var(--text-secondary);
  margin: 0;
}

.reviews-empty {
  text-align: center;
  padding: 40px 20px;
  color: var(--text-muted);
}

.reviews-empty-icon {
  font-size: 2.5rem;
  margin-bottom: 12px;
  opacity: 0.7;
}


.reviews-empty-text {
  font-size: 1rem;
  color: var(--text-secondary);
}

/* ============================================================
   PRODUCT IMAGE GALLERY & SLIDER
   ============================================================ */
.product-gallery-main {
  position: relative;
  width: 100%;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-card);
}

.product-gallery-main img {
  width: 100%;
  height: 420px;
  object-fit: cover;
  display: block;
  transition: opacity 0.25s ease;
}

@media (max-width: 768px) {
  .product-gallery-main img {
    height: 280px;
  }
}

.product-gallery-nav {
  position: absolute;
  inset: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 12px;
  pointer-events: none;
}

.gallery-arrow {
  pointer-events: auto;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(4px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #fff;
  font-size: 1.4rem;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s;
}

.gallery-arrow:hover {
  background: var(--accent-primary);
  transform: scale(1.05);
}

.product-gallery-thumbs {
  display: flex;
  gap: 10px;
  margin-top: 14px;
  overflow-x: auto;
  padding-bottom: 6px;
  scrollbar-width: thin;
}

.gallery-thumb-item {
  width: 72px;
  height: 52px;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 2px solid transparent;
  cursor: pointer;
  flex-shrink: 0;
  opacity: 0.6;
  transition: border-color 0.2s, opacity 0.2s, transform 0.15s;
}

.gallery-thumb-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.gallery-thumb-item:hover {
  opacity: 0.9;
}

.gallery-thumb-item.active {
  border-color: var(--accent-primary);
  opacity: 1;
  transform: scale(1.04);
}

/* ============================================================
   PRODUCT SOCIAL & CONTACT BUTTONS
   ============================================================ */
.product-social-links-wrap {
  margin-top: 28px;
  padding-top: 22px;
  margin-bottom: 24px;
  border-top: 1px solid var(--border-subtle);
}

.product-social-label {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 12px;
}

.product-social-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.social-platform-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  border-radius: var(--radius-full);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.15s, border-color 0.2s, background 0.2s, box-shadow 0.2s;
}

.social-platform-btn:hover {
  transform: translateY(-2px);
  border-color: var(--accent-primary);
  box-shadow: 0 4px 12px rgba(108, 99, 255, 0.2);
}

.social-platform-btn svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

/* Platform specific accent hints on hover */
.social-platform-btn.plat-whatsapp:hover { border-color: #25D366; color: #25D366; }
.social-platform-btn.plat-instagram:hover { border-color: #E1306C; color: #E1306C; }
.social-platform-btn.plat-x:hover { border-color: #fff; }
.social-platform-btn.plat-facebook:hover { border-color: #1877F2; color: #1877F2; }
.social-platform-btn.plat-tiktok:hover { border-color: #fe2c55; color: #fe2c55; }
.social-platform-btn.plat-linkedin:hover { border-color: #0A66C2; color: #0A66C2; }
.social-platform-btn.plat-youtube:hover { border-color: #FF0000; color: #FF0000; }
.social-platform-btn.plat-telegram:hover { border-color: #229ED9; color: #229ED9; }
.social-platform-btn.plat-snapchat:hover { border-color: #FFFC00; color: #FFFC00; }
.social-platform-btn.plat-behance:hover { border-color: #1769FF; color: #1769FF; }

/* ---- Responsive ---- */
@media (max-width: 1024px) {
  .product-hero {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .product-panels {
    grid-template-columns: 1fr;
  }
}

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

  .product-loading-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .product-cta {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
    margin-top: 24px;
  }

  .product-cta-primary,
  .product-cta-secondary,
  .product-cta-share {
    width: 100%;
    flex: none;
    justify-content: center;
    padding: 14px 20px;
  }
}

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