/* Edit Knowledge Base Page */
.edit-kb-page {
  background-color: #f8fafc;
  min-height: 100vh;
  padding: 2rem;
}

.edit-header {
  max-width: 800px;
  margin: 0 auto 1.5rem auto;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: #475569;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s ease;
}

.back-link:hover {
  color: #667eea;
}

.edit-content {
  max-width: 800px;
  margin: 0 auto;
}

.edit-card {
  background: white;
  border-radius: 16px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  overflow: hidden;
}

.edit-card-header {
  padding: 2rem;
  background: linear-gradient(135deg, #e0e7ff, #c7d2fe);
  border-bottom: 1px solid #e2e8f0;
  text-align: center;
}

.edit-card-header h1 {
  font-size: 2rem;
  font-weight: 700;
  color: #1e293b;
  margin: 0 0 0.5rem 0;
}

.edit-card-header p {
  color: #64748b;
  margin: 0;
  font-size: 1rem;
}

.edit-form {
  padding: 2rem;
}

.form-group {
  margin-bottom: 2rem;
}

.form-group label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  color: #334155;
  margin-bottom: 0.75rem;
  font-size: 0.95rem;
}

.form-group input[type="text"] {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 2px solid #e2e8f0;
  border-radius: 8px;
  font-size: 1rem;
  transition: all 0.3s ease;
  box-sizing: border-box;
}

.form-group input:focus {
  outline: none;
  border-color: #667eea;
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

/* Content Section */
.content-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.25rem;
}

.markdown-hint {
  margin-top: 0.5rem;
  color: #64748b;
}

/* Error Message */
.error-message {
  background: #fef2f2;
  color: #ef4444;
  padding: 0.75rem 1rem;
  border-radius: 6px;
  border: 1px solid #fecaca;
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

/* Loading State */
.loading-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 50vh;
  color: #64748b;
}

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid #e2e8f0;
  border-top: 3px solid #667eea;
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-bottom: 1rem;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Form Actions */
.form-actions {
  display: flex;
  gap: 1rem;
  justify-content: flex-end;
  padding-top: 2rem;
  border-top: 1px solid #e2e8f0;
}

.btn-cancel {
  display: inline-flex;
  align-items: center;
  padding: 0.75rem 1.5rem;
  background: #f1f5f9;
  color: #475569;
  text-decoration: none;
  border-radius: 8px;
  font-weight: 500;
  transition: all 0.3s ease;
}

.btn-cancel:hover {
  background: #e2e8f0;
}

.btn-submit {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 2rem;
  background: linear-gradient(135deg, #10b981, #059669);
  color: white;
  border: none;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 2px 8px rgba(16, 185, 129, 0.3);
}

.btn-submit:hover:not(:disabled) {
  transform: none;
  box-shadow: 0 3px 12px rgba(16, 185, 129, 0.32);
}

.btn-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* Markdown Editor */
.markdown-editor-container {
  margin-top: 0.5rem;
}

.markdown-editor-container .w-md-editor {
  background-color: white;
}

.markdown-editor-container .w-md-editor-text-input,
.markdown-editor-container .w-md-editor-text-textarea,
.markdown-editor-container .w-md-editor-text {
  font-size: 0.9rem !important;
  line-height: 1.6 !important;
  caret-color: #667eea !important;
}

.markdown-editor-container .w-md-editor-text-input {
  resize: none !important;
}

.markdown-editor-container .w-md-editor-text-textarea {
  resize: none !important;
  outline: none !important;
  border: none !important;
  box-shadow: none !important;
}

.markdown-editor-container .w-md-editor-toolbar {
  background-color: #f8fafc;
  border-bottom: 1px solid #e2e8f0;
}

.markdown-editor-container .w-md-editor-toolbar button {
  color: #64748b;
  text-align: left;
}

.markdown-editor-container .w-md-editor-toolbar button:hover {
  background-color: #e2e8f0;
  color: #334155;
  text-align: left;
}

/* Responsive Design */
@media (max-width: 768px) {
  .edit-kb-page {
    padding: 1rem;
  }

  .edit-card-header {
    padding: 1.5rem;
  }

  .edit-form {
    padding: 1.5rem;
  }

  .form-actions {
    flex-direction: column;
  }

  .content-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }
}