/* Modal Component Styles */
.openrouter-modal {
  /* CSS Custom Properties for theming */
  --or-primary-color: #3b82f6;
  --or-primary-hover: #2563eb;
  --or-background: #ffffff;
  --or-text: #111827;
  --or-text-secondary: #6b7280;
  --or-border: #e5e7eb;
  --or-shadow: rgba(0, 0, 0, 0.1);
}

/* Modal overlay - covers entire screen */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 50;
  padding: 1rem;
}

/* Modal content container */
.modal-content {
  background-color: var(--or-background);
  border-radius: 0.5rem;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  width: 100%;
  max-width: 64rem;
  max-height: calc(100vh - 2rem);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* Modal header */
.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--or-border);
}

.modal-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--or-text);
  margin: 0;
}

.modal-close-button {
  background: none;
  border: none;
  color: var(--or-text-secondary);
  cursor: pointer;
  padding: 0.5rem;
  border-radius: 0.375rem;
  transition: background-color 0.2s;
}

.modal-close-button:hover {
  background-color: rgba(0, 0, 0, 0.05);
}

/* Modal body */
.modal-body {
  flex: 1;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

/* Filter bar styles */
.filter-bar {
  padding: 0.75rem 1.5rem;
  border-bottom: 1px solid var(--or-border);
  background-color: var(--or-background);
}

.filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
}

.search-input {
  flex: 1;
  min-width: 200px;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--or-border);
  border-radius: 0.375rem;
  background-color: var(--or-background);
  color: var(--or-text);
  font-size: 0.875rem;
}

.filter-select {
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--or-border);
  border-radius: 0.375rem;
  background-color: var(--or-background);
  color: var(--or-text);
  font-size: 0.875rem;
  min-width: 120px;
}

.filter-button {
  padding: 0.5rem 1rem;
  border: 1px solid var(--or-border);
  border-radius: 0.375rem;
  background-color: var(--or-background);
  color: var(--or-text);
  font-size: 0.875rem;
  cursor: pointer;
  transition: all 0.2s;
}

.filter-button:hover {
  background-color: rgba(59, 130, 246, 0.05);
}

.filter-button.active {
  background-color: var(--or-primary-color);
  color: white;
  border-color: var(--or-primary-color);
}

.clear-filters-button {
  padding: 0.5rem 1rem;
  border: none;
  border-radius: 0.375rem;
  background-color: transparent;
  color: var(--or-text-secondary);
  font-size: 0.875rem;
  cursor: pointer;
  transition: color 0.2s;
}

.clear-filters-button:hover {
  color: var(--or-text);
}

.results-count {
  color: var(--or-text-secondary);
  font-size: 0.875rem;
  margin-left: auto;
}

/* Categorized models container */
.categorized-models {
  flex: 1;
  overflow: auto;
  min-height: 0; /* Critical: allows flex child to shrink and enable scrolling */
}

/* Table container */
.table-container {
  flex: 1;
  overflow: auto;
  background-color: var(--or-background);
  min-height: 0; /* Critical: allows flex child to shrink and enable scrolling */
}

.model-table {
  width: 100%;
  border-collapse: collapse;
  font-variant-numeric: tabular-nums;
}

.model-table th,
.model-table td {
  padding: 0.5rem;
  text-align: left;
  border-bottom: 1px solid var(--or-border);
}

.model-table th {
  background-color: var(--or-background);
  font-weight: 600;
  color: var(--or-text);
  cursor: pointer;
  user-select: none;
  position: sticky;
  top: 0;
  z-index: 10;
}

.model-table th:hover {
  background-color: rgba(0, 0, 0, 0.02);
}

.model-table td {
  color: var(--or-text);
  font-size: 0.875rem;
}

.model-table tbody tr {
  cursor: pointer;
  transition: background-color 0.2s;
}

.model-table tbody tr:hover {
  background-color: rgba(59, 130, 246, 0.05);
}

.model-table tbody tr.selected {
  background-color: rgba(59, 130, 246, 0.1);
  border-color: var(--or-primary-color);
}

/* Loading and error states */
.loading-container,
.error-container,
.empty-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 3rem;
  text-align: center;
  color: var(--or-text-secondary);
}

.loading-spinner {
  width: 2rem;
  height: 2rem;
  border: 2px solid var(--or-border);
  border-top: 2px solid var(--or-primary-color);
  border-radius: 50%;
  margin-bottom: 1rem;
}

.error-message {
  color: #ef4444;
  margin-bottom: 1rem;
}

.retry-button {
  padding: 0.5rem 1rem;
  background-color: var(--or-primary-color);
  color: white;
  border: none;
  border-radius: 0.375rem;
  cursor: pointer;
  font-size: 0.875rem;
}

.retry-button:hover {
  background-color: var(--or-primary-hover);
}

.openrouter-modal.dark {
  --or-background: #1f2937;
  --or-text: #f9fafb;
  --or-text-secondary: #9ca3af;
  --or-border: #374151;
  --or-shadow: rgba(0, 0, 0, 0.3);
}

/* Cost tier colors */
.cost-tier-free {
  background-color: #10b981;
}

.cost-tier-low {
  background-color: #3b82f6;
}

.cost-tier-medium {
  background-color: #f59e0b;
}

.cost-tier-high {
  background-color: #ef4444;
}

/* Feature tags */
.feature-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.25rem 0.5rem;
  font-size: 0.75rem;
  background-color: #f3f4f6;
  color: #374151;
  border-radius: 0.375rem;
}

/* Table styles */
.model-table {
  font-variant-numeric: tabular-nums;
}

.model-table thead th {
  position: sticky;
  top: 0;
  background-color: var(--or-background);
  z-index: 10;
}

.model-table tbody tr:hover {
  background-color: rgba(59, 130, 246, 0.05);
}

.model-table tbody tr.selected {
  background-color: rgba(59, 130, 246, 0.1);
  border-color: var(--or-primary-color);
}

/* Responsive styles */
@media (max-width: 768px) {
  .openrouter-modal {
    margin: 1rem;
    max-height: calc(100vh - 2rem);
  }
  
  .model-table {
    font-size: 0.875rem;
  }
  
  .filter-bar {
    padding: 1rem;
  }
  
  .filter-bar .flex-wrap {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }
}

/* Animation styles */
.modal-overlay {
  animation: fadeIn 0.2s ease-out;
}

.modal-content {
  animation: slideUp 0.3s ease-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(1rem);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Loading spinner */
.spinner {
  animation: spin 1s linear infinite;
}

@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

/* Focus styles for accessibility */
.openrouter-modal button:focus,
.openrouter-modal input:focus,
.openrouter-modal select:focus {
  outline: 2px solid var(--or-primary-color);
  outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  .openrouter-modal {
    --or-border: #000000;
    --or-text-secondary: #000000;
  }
  
  .openrouter-modal.dark {
    --or-border: #ffffff;
    --or-text-secondary: #ffffff;
  }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  .modal-overlay,
  .modal-content,
  .spinner {
    animation: none;
  }
  
  .openrouter-modal * {
    transition: none !important;
  }
}