/* Custom styles for RAG System */

/* Variables */
:root {
  --primary-color: #0d6efd;
  --secondary-color: #6c757d;
  --success-color: #198754;
  --danger-color: #dc3545;
  --warning-color: #ffc107;
  --info-color: #0dcaf0;
  --light-color: #f8f9fa;
  --dark-color: #212529;
  --border-radius: 0.375rem;
  --box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
  --box-shadow-lg: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
}

/* Base styles */
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.6;
  color: var(--dark-color);
}

/* Navigation */
.navbar-brand {
  font-weight: 700;
  font-size: 1.5rem;
}

.navbar-nav .nav-link {
  font-weight: 500;
  transition: color 0.3s ease;
}

.navbar-nav .nav-link:hover {
  color: rgba(255, 255, 255, 0.8) !important;
}

/* Cards */
.card {
  border: 1px solid rgba(0, 0, 0, 0.125);
  box-shadow: var(--box-shadow);
  transition: all 0.3s ease;
}

.card:hover {
  box-shadow: var(--box-shadow-lg);
  transform: translateY(-2px);
}

.card-header {
  background-color: var(--light-color);
  border-bottom: 1px solid rgba(0, 0, 0, 0.125);
  font-weight: 600;
}

/* Buttons */
.btn {
  font-weight: 500;
  transition: all 0.3s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-group .btn {
  border-radius: var(--border-radius);
}

/* Forms */
.form-control {
  border: 1px solid #ced4da;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-control:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
}

.form-label {
  font-weight: 600;
  margin-bottom: 0.5rem;
}

/* Tables */
.table {
  border-collapse: separate;
  border-spacing: 0;
}

.table th {
  background-color: var(--light-color);
  font-weight: 600;
  border-bottom: 2px solid var(--primary-color);
}

.table-hover tbody tr:hover {
  background-color: rgba(13, 110, 253, 0.05);
}

/* Status badges */
.badge.status-completed {
  background-color: var(--success-color);
}

.badge.status-processing {
  background-color: var(--warning-color);
  color: var(--dark-color);
}

.badge.status-failed {
  background-color: var(--danger-color);
}

.badge.status-pending {
  background-color: var(--secondary-color);
}

.badge.status-uploaded {
  background-color: var(--info-color);
  color: var(--dark-color);
}

/* File upload area */
.file-upload-area {
  border: 2px dashed #ced4da;
  border-radius: var(--border-radius);
  padding: 3rem 2rem;
  text-align: center;
  transition: all 0.3s ease;
  cursor: pointer;
}

.file-upload-area:hover {
  border-color: var(--primary-color);
  background-color: rgba(13, 110, 253, 0.05);
}

.file-upload-area.dragover {
  border-color: var(--success-color);
  background-color: rgba(25, 135, 84, 0.1);
}

/* Progress bars */
.progress {
  height: 1rem;
  border-radius: var(--border-radius);
}

.progress-bar {
  transition: width 0.6s ease;
}

/* Code blocks */
.code-block {
  background-color: #f8f9fa;
  border: 1px solid #e9ecef;
  border-radius: var(--border-radius);
  padding: 1rem;
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
  font-size: 0.875rem;
  overflow-x: auto;
}

/* Chunk display */
.chunk-preview {
  background-color: #f8f9fa;
  border-left: 4px solid var(--primary-color);
  padding: 1rem;
  margin: 0.5rem 0;
  border-radius: 0 var(--border-radius) var(--border-radius) 0;
}

.chunk-preview .chunk-content {
  font-family: 'Georgia', serif;
  line-height: 1.8;
  color: #333;
}

.chunk-preview .chunk-meta {
  font-size: 0.875rem;
  color: var(--secondary-color);
  margin-top: 0.5rem;
  border-top: 1px solid #e9ecef;
  padding-top: 0.5rem;
}

/* Search results */
.search-result {
  border-left: 4px solid var(--info-color);
  padding: 1rem;
  margin: 1rem 0;
  background-color: #f8f9fa;
  border-radius: 0 var(--border-radius) var(--border-radius) 0;
}

.search-result .result-score {
  font-weight: 600;
  color: var(--success-color);
}

.search-result .result-content {
  margin: 0.5rem 0;
  line-height: 1.7;
}

.search-result .result-metadata {
  font-size: 0.875rem;
  color: var(--secondary-color);
}

/* Loading spinner */
.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(255, 255, 255, 0.8);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
}

/* Pagination */
.pagination .page-link {
  color: var(--primary-color);
  border-color: #dee2e6;
}

.pagination .page-link:hover {
  color: #0a58ca;
  background-color: #e9ecef;
  border-color: #dee2e6;
}

.pagination .page-item.active .page-link {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
}

/* Alerts */
.alert {
  border: none;
  border-radius: var(--border-radius);
}

.alert-dismissible .btn-close {
  padding: 0.75rem 1rem;
}

/* Footer */
footer {
  margin-top: auto;
}

footer h5 {
  font-weight: 700;
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .navbar-brand {
    font-size: 1.25rem;
  }

  .display-4 {
    font-size: 2.5rem;
  }

  .card-body {
    padding: 1rem;
  }

  .file-upload-area {
    padding: 2rem 1rem;
  }
}

@media (max-width: 576px) {
  .container-fluid {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .btn-group-vertical .btn {
    margin-bottom: 0.25rem;
  }

  .table-responsive {
    font-size: 0.875rem;
  }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
  .card {
    background-color: #2d3748;
    border-color: #4a5568;
    color: #e2e8f0;
  }

  .form-control {
    background-color: #2d3748;
    border-color: #4a5568;
    color: #e2e8f0;
  }

  .form-control:focus {
    background-color: #2d3748;
    border-color: var(--primary-color);
    color: #e2e8f0;
  }

  .code-block {
    background-color: #1a202c;
    border-color: #2d3748;
    color: #e2e8f0;
  }
}

/* Animation utilities */
.fade-in {
  animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.slide-up {
  animation: slideUp 0.3s ease-out;
}

@keyframes slideUp {
  from { transform: translateY(10px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

/* Utility classes */
.text-truncate-2 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.text-truncate-3 {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.cursor-pointer {
  cursor: pointer;
}

.border-dashed {
  border-style: dashed !important;
}

/* JSON viewer */
.json-viewer {
  background-color: #f8f9fa;
  border: 1px solid #e9ecef;
  border-radius: var(--border-radius);
  padding: 1rem;
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
  font-size: 0.875rem;
  max-height: 400px;
  overflow-y: auto;
}

.json-viewer .json-key {
  color: #d73a49;
  font-weight: 600;
}

.json-viewer .json-string {
  color: #032f62;
}

.json-viewer .json-number {
  color: #005cc5;
}

.json-viewer .json-boolean {
  color: #d73a49;
}

.json-viewer .json-null {
  color: #6f42c1;
}