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

/* Using self-hosted Inter fonts from theme for better performance */
/* Removed Google Fonts import to reduce render-blocking resources */

/* SAHO Design System Variables */
:root {
  /* Primary Colors */
  --saho-primary: #990000;
  --saho-secondary: #3a4a64;
  --saho-accent: #b88a2e;
  --saho-highlight: #8b2331;

  /* 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 Overlay - Simplified backdrop */
.modal-backdrop {
  background-color: rgba(15, 23, 42, 0.5) !important;
  backdrop-filter: blur(4px);
}

/* Modal Container */
#citation-modal .modal-dialog {
  max-width: 720px;
  margin: var(--saho-spacing-lg) auto;
  font-family: var(--saho-font-primary);
}

/* Modal Content */
#citation-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 */
#citation-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;
}

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

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

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

#citation-modal .btn-close:hover {
  background-color: var(--saho-bg-hover);
  color: var(--saho-text-primary);
}

/* Modal Body */
#citation-modal .modal-body {
  padding: 0;
  background: var(--saho-bg-surface);
}

/* Citation Format Selection - Tab-like design */
.citation-format-selector {
  display: flex;
  gap: var(--saho-spacing-xs);
  padding: var(--saho-spacing-md);
  background: var(--saho-bg-surface-alt);
  border-bottom: 1px solid var(--saho-border);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.citation-format-btn {
  padding: var(--saho-spacing-sm) var(--saho-spacing-md);
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--saho-radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--saho-text-secondary);
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
  user-select: none;
}

.citation-format-btn:hover {
  background: var(--saho-bg-surface);
  color: var(--saho-text-primary);
}

.citation-format-btn.active {
  background: var(--saho-bg-surface);
  color: var(--saho-primary);
  border-color: var(--saho-border);
  box-shadow: var(--saho-shadow-sm);
}

/* Citation Content Area */
.citation-content-wrapper {
  padding: var(--saho-spacing-lg);
  min-height: 200px;
}

.citation-display {
  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: 0.9375rem;
  line-height: 1.6;
  color: var(--saho-text-primary);
  transition: all 0.2s ease;
  display: flex;
  flex-direction: column;
  gap: var(--saho-spacing-md);
}

.citation-text-content {
  flex: 1;
  width: 100%;
}

.citation-display:hover {
  border-color: var(--saho-border-hover);
  box-shadow: var(--saho-shadow-sm);
}

/* Copy Button - Positioned below citation text */
.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;
}

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

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

/* Export Section - Clean button group */
.citation-export-section {
  padding: var(--saho-spacing-lg);
  background: var(--saho-bg-surface-alt);
  border-top: 1px solid var(--saho-border);
}

.export-section-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;
}

.export-buttons {
  display: flex;
  gap: var(--saho-spacing-sm);
  flex-wrap: wrap;
}

.export-btn {
  flex: 1;
  min-width: 120px;
  padding: var(--saho-spacing-sm) var(--saho-spacing-md);
  background: var(--saho-bg-surface);
  border: 1px solid var(--saho-border);
  border-radius: var(--saho-radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--saho-text-primary);
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--saho-spacing-xs);
}

.export-btn:hover {
  background: var(--saho-primary);
  color: white;
  border-color: var(--saho-primary);
  transform: translateY(-1px);
  box-shadow: var(--saho-shadow-md);
}

.export-btn.exported {
  background: #22c55e;
  color: white;
  border-color: #22c55e;
}

/* Icon styles */
.citation-icon {
  width: 16px;
  height: 16px;
  display: inline-block;
}

/* Help Link - SAHO red by default */
.citation-help-link {
  display: block;
  text-align: center;
  padding: var(--saho-spacing-md);
  font-size: 0.875rem;
  color: var(--saho-primary) !important;
  text-decoration: none;
  transition: all 0.2s ease;
  font-weight: 500;
}

.citation-help-link:hover {
  color: var(--saho-text-primary) !important;
  text-decoration: underline;
  transform: translateY(-1px);
}

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

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

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

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

  .citation-content-wrapper {
    padding: var(--saho-spacing-md);
  }

  .citation-format-selector {
    padding: var(--saho-spacing-sm);
    gap: 0.125rem;
  }

  .citation-format-btn {
    padding: var(--saho-spacing-xs) var(--saho-spacing-sm);
    font-size: 0.8125rem;
  }

  .export-buttons {
    flex-direction: column;
  }

  .export-btn {
    width: 100%;
  }

  .citation-display {
    gap: var(--saho-spacing-sm);
  }

  .copy-citation-btn {
    align-self: stretch;
    justify-content: center;
  }
}

/* Tablet Responsive */
@media (min-width: 641px) and (max-width: 1024px) {
  #citation-modal .modal-dialog {
    max-width: 600px;
  }
}

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

.citation-display {
  animation: fadeIn 0.3s ease;
}

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

.citation-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 */
.citation-format-btn:focus-visible,
.copy-citation-btn:focus-visible,
.export-btn:focus-visible,
.btn-close:focus-visible {
  outline: 2px solid var(--saho-primary);
  outline-offset: 2px;
}

/* Print Styles */
@media print {
  .modal-backdrop,
  .modal-header,
  .citation-format-selector,
  .citation-export-section,
  .copy-citation-btn {
    display: none !important;
  }

  .citation-display {
    border: none;
    background: white;
    padding: 0;
  }
}