/**
 * @file
 * Modern sharing modal styles for SAHO
 * Optimized for mobile-first design and accessibility
 */

/* Use same design system variables as citation modal */
:root {
  /* Primary Colors */
  --saho-primary: #990000;
  --saho-secondary: #3a4a64;
  --saho-accent: #b88a2e;

  /* Text Colors */
  --saho-text-primary: #1e293b;
  --saho-text-secondary: #475569;
  --saho-text-muted: #94a3b8;

  /* Background Colors */
  --saho-bg-surface: #ffffff;
  --saho-bg-surface-alt: #f8fafc;
  --saho-bg-hover: #f1f5f9;

  /* Borders */
  --saho-border: #e2e8f0;
  --saho-border-hover: #cbd5e1;

  /* Typography */
  --saho-font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Shadows */
  --saho-shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --saho-shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
  --saho-shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
  --saho-shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.15);

  /* Spacing */
  --saho-spacing-xs: 0.25rem;
  --saho-spacing-sm: 0.5rem;
  --saho-spacing-md: 1rem;
  --saho-spacing-lg: 1.5rem;
  --saho-spacing-xl: 2rem;

  /* Border Radius */
  --saho-radius-sm: 0.375rem;
  --saho-radius-md: 0.5rem;
  --saho-radius-lg: 0.75rem;
}

/* Modal Container */
#sharing-modal .modal-dialog {
  max-width: 480px;
  margin: var(--saho-spacing-lg) auto;
  font-family: var(--saho-font-primary);
}

/* Modal Content */
#sharing-modal .modal-content {
  border: none;
  border-radius: var(--saho-radius-lg);
  box-shadow: var(--saho-shadow-xl);
  background: var(--saho-bg-surface);
  overflow: hidden;
}

/* Modal Header - Clean and minimal */
#sharing-modal .modal-header {
  background: var(--saho-bg-surface);
  border-bottom: 1px solid var(--saho-border);
  padding: var(--saho-spacing-lg);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

#sharing-modal .modal-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--saho-text-primary);
  margin: 0;
}

/* Close Button - Modern style - Same as citation modal */
#sharing-modal .btn-close {
  position: relative !important;
  width: 32px;
  height: 32px;
  padding: 0 !important;
  display: flex !important;
  align-items: center;
  justify-content: center;
  border-radius: var(--saho-radius-sm);
  transition: all 0.2s ease;
  background: transparent !important;
  border: none !important;
  color: var(--saho-text-muted) !important;
  opacity: 1 !important;
  margin: 0 !important;
  flex-shrink: 0;
  box-shadow: none !important;
}

#sharing-modal .btn-close::before {
  content: '×';
  font-size: 1.5rem;
  line-height: 1;
  font-weight: normal;
}

#sharing-modal .btn-close:hover {
  background-color: var(--saho-bg-hover) !important;
  color: var(--saho-text-primary) !important;
  opacity: 1 !important;
}

#sharing-modal .btn-close:focus {
  background-color: var(--saho-bg-hover) !important;
  color: var(--saho-text-primary) !important;
  opacity: 1 !important;
  outline: 2px solid var(--saho-primary);
  outline-offset: 2px;
}

/* Modal Body */
#sharing-modal .modal-body {
  padding: var(--saho-spacing-lg);
  background: var(--saho-bg-surface);
}

/* URL Copy Section - Matching Citation Modal Style */
.share-url-section {
  margin-bottom: var(--saho-spacing-lg);
  padding-bottom: var(--saho-spacing-lg);
  border-bottom: 1px solid var(--saho-border);
}

.share-url-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--saho-text-secondary);
  margin-bottom: var(--saho-spacing-sm);
  text-transform: uppercase;
  letter-spacing: 0.025em;
}

.share-url-display {
  display: flex;
  flex-direction: column;
  gap: var(--saho-spacing-md);
}

.share-url-input {
  width: 100%;
  background: var(--saho-bg-surface-alt);
  border: 1px solid var(--saho-border);
  border-radius: var(--saho-radius-md);
  padding: var(--saho-spacing-md);
  font-size: 0.875rem;
  color: var(--saho-text-primary);
  outline: none;
  font-family: var(--saho-font-mono);
  line-height: 1.5;
  min-height: 60px;
  resize: none;
}

.share-url-input:focus {
  border-color: var(--saho-primary);
  box-shadow: 0 0 0 2px rgba(153, 0, 0, 0.1);
}

/* Copy URL Button - Matching Citation Modal Style */
#sharing-modal .copy-citation-btn {
  align-self: flex-end;
  padding: var(--saho-spacing-xs) var(--saho-spacing-sm);
  background: var(--saho-bg-surface);
  border: 1px solid var(--saho-border);
  border-radius: var(--saho-radius-sm);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--saho-text-secondary);
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  gap: var(--saho-spacing-xs);
  flex-shrink: 0;
}

#sharing-modal .copy-citation-btn:hover {
  background: var(--saho-primary);
  color: white;
  border-color: var(--saho-primary);
}

#sharing-modal .copy-citation-btn.copied {
  background: #22c55e;
  color: white;
  border-color: #22c55e;
}

/* Social Media Section */
.social-media-section {
  margin-bottom: var(--saho-spacing-lg);
}

.social-media-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--saho-text-secondary);
  margin-bottom: var(--saho-spacing-md);
  text-transform: uppercase;
  letter-spacing: 0.025em;
}

.social-media-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: var(--saho-spacing-sm);
}

.social-share-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--saho-spacing-sm);
  padding: var(--saho-spacing-md);
  background: var(--saho-bg-surface);
  border: 1px solid var(--saho-border);
  border-radius: var(--saho-radius-md);
  text-decoration: none;
  color: var(--saho-text-primary);
  font-size: 0.875rem;
  font-weight: 500;
  transition: all 0.2s ease;
  min-height: 48px;
}

.social-share-btn:hover {
  background: var(--saho-bg-hover);
  border-color: var(--saho-border-hover);
  transform: translateY(-1px);
  box-shadow: var(--saho-shadow-md);
  color: var(--saho-text-primary);
  text-decoration: none;
}

.social-share-btn:focus {
  outline: 2px solid var(--saho-primary);
  outline-offset: 2px;
}

/* Platform-specific colors on hover */
.social-share-btn.facebook:hover {
  background: #1877f2;
  color: white;
  border-color: #1877f2;
}

.social-share-btn.twitter:hover,
.social-share-btn.x:hover {
  background: #000000;
  color: white;
  border-color: #000000;
}

.social-share-btn.linkedin:hover {
  background: #0077b5;
  color: white;
  border-color: #0077b5;
}

.social-share-btn.whatsapp:hover {
  background: #25d366;
  color: white;
  border-color: #25d366;
}

.social-share-btn.email:hover {
  background: var(--saho-primary);
  color: white;
  border-color: var(--saho-primary);
}

.social-share-btn.reddit:hover {
  background: #ff4500;
  color: white;
  border-color: #ff4500;
}

.social-share-btn.pinterest:hover {
  background: #bd081c;
  color: white;
  border-color: #bd081c;
}

/* Icon styles */
.social-share-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

/* QR Code Section (if needed) */
.qr-code-section {
  text-align: center;
  padding-top: var(--saho-spacing-lg);
  border-top: 1px solid var(--saho-border);
}

.qr-code-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--saho-text-secondary);
  margin-bottom: var(--saho-spacing-sm);
  text-transform: uppercase;
  letter-spacing: 0.025em;
}

.qr-code-container {
  display: inline-block;
  padding: var(--saho-spacing-md);
  background: var(--saho-bg-surface-alt);
  border-radius: var(--saho-radius-md);
  border: 1px solid var(--saho-border);
}

/* Mobile Responsive Design */
@media (max-width: 640px) {
  #sharing-modal .modal-dialog {
    margin: var(--saho-spacing-sm);
    max-width: calc(100% - var(--saho-spacing-md));
  }

  #sharing-modal .modal-content {
    border-radius: var(--saho-radius-md);
  }

  #sharing-modal .modal-header {
    padding: var(--saho-spacing-md);
  }

  #sharing-modal .modal-title {
    font-size: 1.125rem;
  }

  #sharing-modal .modal-body {
    padding: var(--saho-spacing-md);
  }

  .social-media-grid {
    grid-template-columns: 1fr;
    gap: var(--saho-spacing-xs);
  }

  .social-share-btn {
    padding: var(--saho-spacing-md) var(--saho-spacing-lg);
    justify-content: flex-start;
  }

  .share-url-input-group {
    flex-direction: column;
    gap: var(--saho-spacing-sm);
  }

  .share-url-copy-btn {
    width: 100%;
    justify-content: center;
  }
}

/* Tablet Responsive */
@media (min-width: 641px) and (max-width: 1024px) {
  #sharing-modal .modal-dialog {
    max-width: 450px;
  }

  .social-media-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Animations */
@keyframes shareModalFadeIn {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.share-url-section,
.social-media-section {
  animation: shareModalFadeIn 0.3s ease;
}

/* Loading State */
.sharing-loading {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 150px;
  color: var(--saho-text-muted);
}

.sharing-spinner {
  width: 24px;
  height: 24px;
  border: 2px solid var(--saho-border);
  border-top-color: var(--saho-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* Focus States for Accessibility */
.share-url-copy-btn:focus-visible,
.social-share-btn:focus-visible,
#sharing-modal .btn-close:focus-visible {
  outline: 2px solid var(--saho-primary);
  outline-offset: 2px;
}

/* Print Styles */
@media print {
  .modal-backdrop,
  #sharing-modal {
    display: none !important;
  }
}