/**
 * URL Cards - Rich link preview cards for plain text URLs
 * 
 * This stylesheet provides responsive, accessible styling for
 * automatically detected URLs that are converted to rich preview cards.
 */

/* Base URL Card Styles */
.ph-url-card {
  display: flex;
  flex-direction: column;
  margin: 1rem 0;
  padding: 0;
  border: 1px solid rgba(0, 0, 0, 0.125);
  border-radius: 0.75rem;
  background: var(--bs-body-bg, #fff);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  transition: transform 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
  overflow: hidden;
  max-width: 500px;
  cursor: pointer;
  text-decoration: none;
  color: inherit;
}

.ph-url-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.ph-url-card:focus {
  outline: 2px solid var(--bs-primary, #0d6efd);
  outline-offset: 2px;
}

.ph-url-card:focus:not(:focus-visible) {
  outline: none;
}

/* Card Header - Domain & Favicon */
.ph-url-card__header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  background: rgba(0, 0, 0, 0.02);
}

.ph-url-card__favicon {
  width: 16px;
  height: 16px;
  object-fit: contain;
  flex-shrink: 0;
}

.ph-url-card__domain {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--bs-secondary, #6c757d);
  text-transform: lowercase;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Card Content Area */
.ph-url-card__content {
  display: flex;
  flex-direction: row;
  gap: 0;
  padding: 0;
}

/* Card Image */
.ph-url-card__image {
  flex-shrink: 0;
  width: 140px;
  min-height: 120px;
  background: rgba(0, 0, 0, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.ph-url-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Card Text Content */
.ph-url-card__text {
  flex: 1;
  padding: 0.75rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
  min-width: 0;
}

.ph-url-card__title {
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.4;
  color: var(--bs-body-color, #212529);
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.ph-url-card__description {
  font-size: 0.8rem;
  line-height: 1.5;
  color: var(--bs-secondary, #6c757d);
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Fallback Card (when metadata fetch fails) */
.ph-url-card--fallback {
  border-style: dashed;
}

.ph-url-card--fallback .ph-url-card__text {
  padding: 1rem;
}

.ph-url-card--fallback .ph-url-card__description {
  font-family: monospace;
  font-size: 0.75rem;
  word-break: break-all;
}

/* Loading Placeholder */
.url-card-placeholder {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: rgba(0, 0, 0, 0.03);
  border: 1px dashed rgba(0, 0, 0, 0.2);
  border-radius: 0.375rem;
  font-size: 0.85rem;
  color: var(--bs-secondary, #6c757d);
  animation: ph-url-pulse 1.5s ease-in-out infinite;
}

@keyframes ph-url-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* Dark Mode Styles */
[data-bs-theme="dark"] .ph-url-card {
  border-color: rgba(255, 255, 255, 0.125);
  background: var(--bs-body-bg, #212529);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

[data-bs-theme="dark"] .ph-url-card:hover {
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

[data-bs-theme="dark"] .ph-url-card__header {
  border-bottom-color: rgba(255, 255, 255, 0.06);
  background: rgba(255, 255, 255, 0.02);
}

[data-bs-theme="dark"] .ph-url-card__domain {
  color: #adb5bd;
}

[data-bs-theme="dark"] .ph-url-card__title {
  color: var(--bs-body-color, #f8f9fa);
}

[data-bs-theme="dark"] .ph-url-card__description {
  color: #adb5bd;
}

[data-bs-theme="dark"] .ph-url-card__image {
  background: rgba(255, 255, 255, 0.05);
}

[data-bs-theme="dark"] .url-card-placeholder {
  background: rgba(255, 255, 255, 0.03);
  border-color: rgba(255, 255, 255, 0.2);
  color: #adb5bd;
}

/* Responsive Styles */
@media (max-width: 576px) {
  .ph-url-card {
    max-width: 100%;
  }

  .ph-url-card__content {
    flex-direction: column;
  }

  .ph-url-card__image {
    width: 100%;
    min-height: 150px;
  }

  .ph-url-card__title {
    font-size: 0.9rem;
  }

  .ph-url-card__description {
    font-size: 0.75rem;
    -webkit-line-clamp: 2;
  }
}

/* RTL Support */
[dir="rtl"] .ph-url-card__header {
  flex-direction: row-reverse;
}

[dir="rtl"] .ph-url-card__domain {
  direction: ltr;
  unicode-bidi: plaintext;
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
  .ph-url-card {
    border-width: 2px;
    border-color: currentColor;
  }

  .ph-url-card:focus {
    outline-width: 3px;
  }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  .ph-url-card {
    transition: none;
  }

  .url-card-placeholder {
    animation: none;
  }
}

/* Print Styles */
@media print {
  .ph-url-card {
    break-inside: avoid;
    box-shadow: none;
    border: 1px solid #000;
  }

  .ph-url-card::after {
    content: " [" attr(aria-label) "]";
    font-size: 0.8em;
    color: #666;
  }
}