/* Knowledge Sources Module Styles */

.knowledge-sources-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 8px 0;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.knowledge-sources-hidden {
  display: none !important;
}

/* Header & Title Section */
.knowledge-sources-header-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
  gap: 24px;
}

.knowledge-sources-title-section h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--text-primary);
}

.knowledge-sources-title-section p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.4;
  margin-bottom: 8px;
}

/* Page Context Label */
.knowledge-sources-page-context {
  display: inline-block;
  font-size: 0.88rem;
  color: var(--text-secondary);
  background-color: rgba(255, 255, 255, 0.01);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  margin-top: 4px;
}

.knowledge-sources-page-highlight {
  color: var(--primary-hover);
  font-weight: 600;
}

.knowledge-sources-header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.knowledge-sources-rag-summary {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 12px;
  font-size: 0.82rem;
  color: var(--text-secondary);
  flex-wrap: wrap;
}

.knowledge-sources-summary-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background-color: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  unicode-bidi: isolate;
  direction: ltr;
}

.knowledge-sources-summary-value {
  color: var(--text-primary);
  font-weight: 600;
  unicode-bidi: isolate;
}

.knowledge-sources-rag-notice {
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
}

.knowledge-sources-rag-notice.knowledge-sources-warning {
  background-color: var(--warning-bg);
  color: var(--warning-text);
  border: 1px solid rgba(245, 158, 11, 0.15);
}

.knowledge-sources-rag-notice.knowledge-sources-success {
  background-color: var(--success-bg);
  color: var(--success-text);
  border: 1px solid rgba(16, 185, 129, 0.15);
}

.knowledge-sources-btn-primary:disabled,
.knowledge-sources-btn-secondary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

/* Controls / Filters Panel */
.knowledge-sources-controls-card {
  background-color: var(--layer-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 16px 20px;
  margin-bottom: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.knowledge-sources-filters {
  display: flex;
  gap: 20px;
  align-items: center;
  width: 100%;
}

.knowledge-sources-filter-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  width: 200px;
}

.knowledge-sources-filter-group label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.knowledge-sources-filter-group select {
  background-color: var(--layer-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  color: var(--text-primary);
  font-family: var(--font-family);
  font-size: 0.88rem;
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  cursor: pointer;
}

.knowledge-sources-filter-group select:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.15);
}

/* Loading & Spinner */
.knowledge-sources-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 300px;
  color: var(--text-secondary);
}

.knowledge-sources-spinner {
  width: 32px;
  height: 32px;
  border: 3px solid var(--border-color);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: knowledge-sources-spin 1s linear infinite;
  margin-bottom: 16px;
}

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

/* Errors & Alert Banners */
.knowledge-sources-error-alert {
  background-color: var(--danger-bg);
  border: 1px solid rgba(239, 68, 68, 0.15);
  border-radius: var(--radius-md);
  padding: 12px 18px;
  color: var(--danger-text);
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
}

.knowledge-sources-error-icon {
  font-size: 1.1rem;
}

.knowledge-sources-error-close-btn {
  margin-inline-start: auto;
  background: transparent;
  border: none;
  color: var(--danger-text);
  font-size: 1.25rem;
  cursor: pointer;
  line-height: 1;
  padding: 0 4px;
  opacity: 0.7;
  transition: opacity var(--transition-fast);
}

.knowledge-sources-error-close-btn:hover {
  opacity: 1;
}

/* Success Toast */
.knowledge-sources-success-toast {
  position: fixed;
  bottom: 32px;
  inset-inline-end: 32px;
  background-color: var(--layer-modal);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 12px 20px;
  color: var(--success-text);
  display: flex;
  align-items: center;
  gap: 10px;
  z-index: 100;
  box-shadow: var(--shadow-md);
}

/* Empty State / Page Warning */
.knowledge-sources-empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 350px;
  text-align: center;
  background-color: var(--layer-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 48px;
}

.knowledge-sources-empty-icon {
  font-size: 3rem;
  margin-bottom: 16px;
  opacity: 0.4;
}

.knowledge-sources-empty-state h3 {
  font-size: 1.25rem;
  margin-bottom: 8px;
  font-weight: 600;
  color: var(--text-primary);
}

.knowledge-sources-empty-state p {
  color: var(--text-secondary);
  max-width: 400px;
  margin-bottom: 24px;
  font-size: 0.9rem;
  line-height: 1.5;
}

/* Table Design (Stripe style) */
.knowledge-sources-table-container {
  background-color: var(--layer-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.knowledge-sources-table {
  width: 100%;
  border-collapse: collapse;
  text-align: start;
}

.knowledge-sources-table th {
  background-color: rgba(255, 255, 255, 0.01);
  border-bottom: 1px solid var(--border-color);
  padding: 14px 20px;
  color: var(--text-secondary);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  text-align: start;
}

.knowledge-sources-table td {
  padding: 14px 20px;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-primary);
  font-size: 0.88rem;
  line-height: 1.4;
  text-align: start;
}

.knowledge-sources-table tbody tr {
  transition: background-color var(--transition-fast);
}

.knowledge-sources-table tbody tr:hover {
  background-color: var(--surface-hover);
}

.knowledge-sources-table tbody tr:last-child td {
  border-bottom: none;
}

/* Status Badges */
.knowledge-sources-badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 8px;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.knowledge-sources-badge-active {
  background-color: var(--success-bg);
  color: var(--success-text);
}

.knowledge-sources-badge-inactive {
  background-color: rgba(148, 163, 184, 0.08);
  border: 1px solid rgba(148, 163, 184, 0.15);
  color: #cbd5e1;
}

.knowledge-sources-badge-draft {
  background-color: var(--warning-bg);
  color: var(--warning-text);
}

/* Category Indicators */
.knowledge-sources-category-tag {
  display: inline-block;
  background-color: rgba(99, 102, 241, 0.06);
  border: 1px solid rgba(99, 102, 241, 0.12);
  border-radius: 4px;
  padding: 2px 6px;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--primary-hover);
}

/* Buttons */
.knowledge-sources-btn-primary {
  background-color: var(--primary);
  color: #ffffff;
  border: none;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.88rem;
  cursor: pointer;
  transition: background-color var(--transition-fast);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.knowledge-sources-btn-primary:hover {
  background-color: var(--primary-hover);
}

.knowledge-sources-btn-secondary {
  background-color: var(--surface-hover);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.88rem;
  cursor: pointer;
  transition: background-color var(--transition-fast), border-color var(--transition-fast);
}

.knowledge-sources-btn-secondary:hover {
  background-color: var(--surface);
  border-color: rgba(255, 255, 255, 0.15);
}

.knowledge-sources-btn-action {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.8rem;
  font-weight: 500;
  transition: all var(--transition-fast);
}

.knowledge-sources-btn-action:hover {
  border-color: var(--primary);
  color: var(--primary-hover);
  background-color: rgba(99, 102, 241, 0.05);
}

/* Modal Dialog Popup */
.knowledge-sources-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  padding: 24px;
  box-sizing: border-box;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow-y: auto;
}

.knowledge-sources-modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(10, 11, 14, 0.5);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.knowledge-sources-modal-wrapper {
  position: relative;
  width: min(600px, calc(100vw - 48px));
  max-width: 600px;
  max-height: calc(100vh - 48px);
  min-width: 0;
  background-color: var(--layer-modal);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  z-index: 1001;
  display: flex;
  flex-direction: column;
  box-sizing: border-box;
}

.knowledge-sources-modal-content {
  display: flex;
  flex: 1 1 auto;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
  max-height: inherit;
  overflow: hidden;
}

.knowledge-sources-modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border-color);
  background-color: rgba(255, 255, 255, 0.01);
}

.knowledge-sources-modal-header h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
}

.knowledge-sources-modal-close-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 1.5rem;
  cursor: pointer;
  transition: color var(--transition-fast);
  line-height: 1;
}

.knowledge-sources-modal-close-btn:hover {
  color: var(--text-primary);
}

/* Modal Form Styles */
.knowledge-sources-form {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  width: 100%;
  min-width: 0;
  min-height: 0;
  overflow-x: hidden;
  overflow-y: auto;
  box-sizing: border-box;
}

.knowledge-sources-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.knowledge-sources-field label {
  font-size: 0.88rem;
  font-weight: 550;
  color: var(--text-primary);
}

.knowledge-sources-field input[type="text"],
.knowledge-sources-field select,
.knowledge-sources-field textarea {
  background-color: var(--layer-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  color: var(--text-primary);
  font-family: var(--font-family);
  font-size: 0.9rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
}

.knowledge-sources-field input:focus,
.knowledge-sources-field select:focus,
.knowledge-sources-field textarea:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.15);
}

.knowledge-sources-field textarea {
  resize: vertical;
  line-height: 1.5;
}

#knowledge-sources-form input,
#knowledge-sources-form select,
#knowledge-sources-form textarea {
  max-width: 100%;
  min-width: 0;
  box-sizing: border-box;
}

.knowledge-sources-field-help {
  font-size: 0.78rem;
  color: var(--text-secondary);
}

.knowledge-sources-grid-2col {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 16px;
  min-width: 0;
}

@media (max-width: 768px) {
  .knowledge-sources-modal {
    padding: 16px;
    align-items: flex-start;
  }

  .knowledge-sources-modal-wrapper {
    width: calc(100vw - 32px);
    max-height: calc(100vh - 32px);
  }

  .knowledge-sources-form {
    padding: 20px;
  }

  .knowledge-sources-grid-2col {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .knowledge-sources-modal {
    padding: 0;
  }

  .knowledge-sources-modal-wrapper {
    width: 100vw;
    max-width: 100vw;
    height: 100vh;
    max-height: 100vh;
    border-radius: 0;
  }

  .knowledge-sources-modal-header,
  .knowledge-sources-form {
    padding-left: 16px;
    padding-right: 16px;
  }
}

.knowledge-sources-modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  margin-top: 8px;
  border-top: 1px solid var(--border-color);
  padding-top: 16px;
}

/* Spinner inside button */
.knowledge-sources-save-btn-spinner {
  width: 14px;
  height: 14px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: knowledge-sources-spin 0.8s linear infinite;
  display: inline-block;
}

/* Status display details */
.knowledge-sources-status-display {
  display: flex;
  flex-direction: column;
  gap: 8px;
  background-color: var(--surface-soft, rgba(255, 255, 255, 0.02));
  border: 1px solid var(--border-color);
  padding: 12px 14px;
  border-radius: var(--radius-sm, 8px);
}

.knowledge-sources-status-info-text {
  font-size: 0.78rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

/* ==========================================
   Knowledge Sources Mobile & RTL Enhancements
   ========================================== */
.knowledge-sources-container {
  font-family: var(--font-family, system-ui, sans-serif);
  text-align: start;
}

[dir="rtl"] .knowledge-sources-title-section h2,
[dir="rtl"] .knowledge-sources-title-section p,
[dir="rtl"] .knowledge-sources-filter-group label,
[dir="rtl"] .knowledge-sources-field label,
[dir="rtl"] .knowledge-sources-modal-wrapper h3,
[dir="rtl"] .knowledge-sources-status-display {
  text-align: start;
}

.knowledge-sources-badge,
.knowledge-sources-page-highlight {
  unicode-bidi: isolate;
}

@media (max-width: 768px) {
  .knowledge-sources-container {
    padding: 16px 8px;
  }

  .knowledge-sources-header-bar {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }

  .knowledge-sources-header-actions {
    width: 100%;
    flex-direction: column;
    gap: 8px;
  }

  .knowledge-sources-header-actions button {
    width: 100%;
    min-height: 44px;
    justify-content: center;
  }

  .knowledge-sources-rag-summary {
    gap: 8px;
  }

  .knowledge-sources-filters {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
  }

  .knowledge-sources-filter-group {
    width: 100%;
  }

  .knowledge-sources-filter-group select,
  .knowledge-sources-filter-group input {
    width: 100%;
    min-height: 44px;
    font-size: 16px !important;
  }

  .knowledge-sources-table th,
  .knowledge-sources-table td {
    padding: 12px 10px;
    white-space: nowrap;
  }

  .knowledge-sources-action-btn {
    min-width: 40px;
    min-height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  /* Near-fullscreen Sheet for Modal */
  .knowledge-sources-modal {
    padding: 0;
  }

  .knowledge-sources-modal-wrapper {
    width: 100vw;
    height: 100dvh;
    max-height: 100dvh;
    border-radius: 0;
    border: none;
  }

  .knowledge-sources-modal-header {
    padding: 14px 16px;
    padding-top: max(14px, env(safe-area-inset-top));
  }

  .knowledge-sources-modal-close-btn {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .knowledge-sources-form {
    padding: 16px 14px;
  }

  .knowledge-sources-field input,
  .knowledge-sources-field textarea,
  .knowledge-sources-field select {
    font-size: 16px !important;
    min-height: 44px;
  }

  .knowledge-sources-modal-actions {
    flex-direction: column-reverse;
    gap: 10px;
    padding-bottom: max(16px, env(safe-area-inset-bottom));
  }

  .knowledge-sources-modal-actions button {
    width: 100%;
    min-height: 46px;
  }
}