/* AHD Catalog -- Frontend Styles */

/* ---------------------------------------------------------------------------
   Catalog Grid
   --------------------------------------------------------------------------- */

.ahd-catalog-grid {
  max-width: var(--ahd-container, 1200px);
  margin: 0 auto;
  padding: 0 var(--ahd-gutter, 24px);
}

.ahd-catalog-loading {
  text-align: center;
  padding: 48px 24px;
  font-family: var(--font-body, system-ui, sans-serif);
  font-size: 1rem;
  color: var(--muted-foreground, #6b7280);
}

.ahd-catalog-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

@media (max-width: 960px) {
  .ahd-catalog-cards {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .ahd-catalog-cards {
    grid-template-columns: 1fr;
  }
}

/* ---------------------------------------------------------------------------
   Card
   --------------------------------------------------------------------------- */

.ahd-catalog-card {
  display: flex;
  flex-direction: column;
  background: var(--card, #fff);
  border: 1px solid var(--border, #e5e7eb);
  border-radius: var(--radius-2xl, 12px);
  overflow: hidden;
  text-decoration: none;
  color: var(--foreground, #111827);
  transition: box-shadow 0.2s, transform 0.2s;
  box-shadow: var(--ahd-shadow, 0 1px 2px rgba(0, 0, 0, 0.04), 0 8px 24px rgba(0, 0, 0, 0.06));
}

.ahd-catalog-card:hover {
  transform: translateY(-2px);
  box-shadow:
    0 2px 4px rgba(0, 0, 0, 0.06),
    0 12px 32px rgba(0, 0, 0, 0.1);
}

/* ---------------------------------------------------------------------------
   CSS Cover
   --------------------------------------------------------------------------- */

.ahd-catalog-card-cover {
  position: relative;
  height: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.ahd-catalog-card-cover-pattern {
  position: absolute;
  inset: 0;
  opacity: 0.12;
  background-image:
    radial-gradient(circle at 20% 30%, rgba(255, 255, 255, 0.4) 1px, transparent 1px),
    radial-gradient(circle at 80% 70%, rgba(255, 255, 255, 0.3) 1px, transparent 1px),
    radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.2) 2px, transparent 2px);
  background-size: 40px 40px, 60px 60px, 80px 80px;
}

.ahd-catalog-card-cover-icon {
  position: relative;
  z-index: 1;
  color: rgba(255, 255, 255, 0.85);
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.15));
}

/* ---------------------------------------------------------------------------
   Card Body
   --------------------------------------------------------------------------- */

.ahd-catalog-card-body {
  padding: 16px 20px 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}

.ahd-catalog-card-title {
  font-family: var(--font-heading, "Sora", system-ui, sans-serif);
  font-size: 1rem;
  font-weight: 600;
  margin: 0;
  line-height: 1.3;
  color: var(--foreground, #111827);
}

.ahd-catalog-chip {
  display: inline-block;
  align-self: flex-start;
  padding: 2px 10px;
  border-radius: var(--ahd-radius-chip, 999px);
  background: var(--secondary, #f0f0ff);
  color: var(--secondary-foreground, #4338ca);
  font-size: 0.75rem;
  font-weight: 600;
  font-family: var(--font-body, system-ui, sans-serif);
}

.ahd-catalog-meta {
  font-size: 0.8125rem;
  color: var(--muted-foreground, #6b7280);
  font-family: var(--font-body, system-ui, sans-serif);
}

.ahd-catalog-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  padding-top: 8px;
}

.ahd-catalog-price {
  font-family: var(--font-heading, "Sora", system-ui, sans-serif);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--foreground, #111827);
}

.ahd-catalog-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--primary, #6366f1);
  font-family: var(--font-body, system-ui, sans-serif);
}

.ahd-catalog-link svg {
  transition: transform 0.15s;
}

.ahd-catalog-card:hover .ahd-catalog-link svg {
  transform: translateX(2px);
}

/* ---------------------------------------------------------------------------
   Product Page
   --------------------------------------------------------------------------- */

.ahd-product {
  max-width: var(--ahd-container, 1200px);
  margin: 0 auto;
  padding: 0 var(--ahd-gutter, 24px);
  font-family: var(--font-body, system-ui, sans-serif);
  color: var(--foreground, #111827);
}

.ahd-product-top {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
  align-items: start;
}

@media (max-width: 768px) {
  .ahd-product-top {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}

.ahd-product-cover {
  position: relative;
  border-radius: var(--radius-2xl, 12px);
  height: 320px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

@media (max-width: 768px) {
  .ahd-product-cover {
    height: 220px;
  }
}

.ahd-product-title {
  font-family: var(--font-heading, "Sora", system-ui, sans-serif);
  font-size: 1.75rem;
  font-weight: 700;
  margin: 0 0 12px;
  line-height: 1.2;
}

.ahd-product-price {
  font-family: var(--font-heading, "Sora", system-ui, sans-serif);
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--foreground, #111827);
}

.ahd-product-info {
  display: flex;
  flex-direction: column;
}

/* ---------------------------------------------------------------------------
   Waitlist (commerce dark)
   --------------------------------------------------------------------------- */

.ahd-waitlist {
  margin-bottom: 20px;
}

.ahd-waitlist-note {
  font-size: 0.875rem;
  color: var(--muted-foreground, #6b7280);
  line-height: 1.6;
  margin: 0 0 12px;
}

.ahd-waitlist-form {
  display: flex;
  gap: 8px;
}

.ahd-waitlist-email {
  flex: 1;
  padding: 10px 14px;
  border: 1px solid var(--border, #e5e7eb);
  border-radius: var(--radius-lg, 8px);
  background: var(--background, #fff);
  color: var(--foreground, #111827);
  font-size: 0.875rem;
  font-family: var(--font-body, system-ui, sans-serif);
  outline: none;
  transition: border-color 0.15s;
}

.ahd-waitlist-email:focus {
  border-color: var(--ring, #6366f1);
}

.ahd-btn-waitlist {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  border: none;
  border-radius: var(--radius-lg, 8px);
  background: var(--primary, #6366f1);
  color: var(--primary-foreground, #fff);
  font-size: 0.875rem;
  font-weight: 600;
  font-family: var(--font-body, system-ui, sans-serif);
  cursor: pointer;
  transition: opacity 0.15s;
  white-space: nowrap;
}

.ahd-btn-waitlist:hover {
  opacity: 0.9;
}

.ahd-btn-waitlist:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.ahd-waitlist-status {
  margin-top: 8px;
  font-size: 0.8125rem;
  min-height: 1.2em;
}

.ahd-waitlist-status.ahd-success {
  color: var(--success, #16a34a);
}

.ahd-waitlist-status.ahd-error {
  color: var(--destructive, #dc2626);
}

/* ---------------------------------------------------------------------------
   Buy hook (commerce enabled)
   --------------------------------------------------------------------------- */

.ahd-buy-hook {
  margin-bottom: 20px;
  min-height: 48px;
}

/* ---------------------------------------------------------------------------
   Preview button
   --------------------------------------------------------------------------- */

.ahd-preview-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  border: 1px solid var(--border, #e5e7eb);
  border-radius: var(--radius-lg, 8px);
  background: var(--card, #fff);
  color: var(--foreground, #111827);
  font-size: 0.875rem;
  font-weight: 600;
  font-family: var(--font-body, system-ui, sans-serif);
  text-decoration: none;
  transition: background 0.15s, border-color 0.15s;
}

.ahd-preview-btn:hover {
  background: var(--secondary, #f0f0ff);
  border-color: var(--primary, #6366f1);
}

/* ---------------------------------------------------------------------------
   Description & TOC
   --------------------------------------------------------------------------- */

.ahd-product-description,
.ahd-product-toc {
  margin-bottom: 40px;
}

.ahd-product-description h2,
.ahd-product-toc h2 {
  font-family: var(--font-heading, "Sora", system-ui, sans-serif);
  font-size: 1.25rem;
  font-weight: 700;
  margin: 0 0 16px;
}

.ahd-product-description p {
  font-size: 0.9375rem;
  line-height: 1.7;
  margin: 0 0 12px;
  color: var(--foreground, #111827);
}

.ahd-product-description ul,
.ahd-product-description ol {
  padding-left: 24px;
  margin: 0 0 12px;
}

.ahd-product-description li {
  font-size: 0.9375rem;
  line-height: 1.7;
  margin-bottom: 4px;
}

.ahd-product-description h3,
.ahd-product-description h4 {
  font-family: var(--font-heading, "Sora", system-ui, sans-serif);
  font-weight: 600;
  margin: 20px 0 8px;
}

.ahd-product-description h3 {
  font-size: 1.125rem;
}

.ahd-product-description h4 {
  font-size: 1rem;
}

.ahd-toc-list {
  padding-left: 24px;
  margin: 0;
}

.ahd-toc-list li {
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--foreground, #111827);
  padding: 2px 0;
  border-bottom: 1px solid var(--border, #e5e7eb);
}

.ahd-toc-list li:last-child {
  border-bottom: none;
}