.project-settings-page {
  max-width: 900px;
  margin: 0 auto;
}

.project-settings-header {
  margin-bottom: 32px;
}

.project-settings-header h1 {
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}

.project-settings-subtitle {
  color: var(--text-tertiary);
  font-size: 0.9375rem;
}

.project-settings-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 64px 24px;
  color: var(--text-tertiary);
  font-size: 0.9375rem;
}

.project-settings-spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--border-secondary);
  border-top-color: var(--accent-primary);
  border-radius: 50%;
  animation: project-settings-spin 0.6s linear infinite;
}

@keyframes project-settings-spin {
  to {
    transform: rotate(360deg);
  }
}

.project-settings-error {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--error-bg);
  border: 1px solid rgba(239, 68, 68, 0.2);
  color: var(--error);
  padding: 12px 16px;
  border-radius: var(--radius-md);
  margin-bottom: 24px;
  font-size: 0.875rem;
}

.project-settings-success {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--success-bg);
  border: 1px solid rgba(34, 197, 94, 0.2);
  color: var(--success);
  padding: 12px 16px;
  border-radius: var(--radius-md);
  margin-bottom: 24px;
  font-size: 0.875rem;
  animation: project-settings-fade-in 0.2s ease;
}

@keyframes project-settings-fade-in {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.project-settings-section {
  background: var(--bg-secondary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 24px;
}

.project-settings-section h2 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-primary);
}

.project-settings-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.project-settings-form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.project-settings-form-group label {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.project-settings-form-group textarea,
.project-settings-form-group input[type="text"] {
  padding: 12px 14px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  color: var(--text-primary);
  transition: all var(--transition-fast);
  font-family: inherit;
  resize: vertical;
}

.project-settings-form-group textarea {
  min-height: 100px;
}

.project-settings-form-group textarea::placeholder,
.project-settings-form-group input::placeholder {
  color: var(--text-muted);
}

.project-settings-form-group textarea:hover:not(:disabled),
.project-settings-form-group input:hover:not(:disabled) {
  border-color: var(--border-secondary);
  background: var(--bg-elevated);
}

.project-settings-form-group textarea:focus,
.project-settings-form-group input:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.15);
  background: var(--bg-elevated);
}

.project-settings-form-group textarea:disabled,
.project-settings-form-group input:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.project-settings-checkbox-group {
  flex-direction: row;
  align-items: center;
}

.project-settings-checkbox-label {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--text-secondary);
  user-select: none;
}

.project-settings-checkbox-label input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.project-settings-checkbox-custom {
  width: 18px;
  height: 18px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-secondary);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  position: relative;
  flex-shrink: 0;
}

.project-settings-checkbox-label input[type="checkbox"]:checked + .project-settings-checkbox-custom {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
}

.project-settings-checkbox-label input[type="checkbox"]:checked + .project-settings-checkbox-custom::after {
  content: '';
  position: absolute;
  left: 5px;
  top: 2px;
  width: 5px;
  height: 9px;
  border: solid white;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.project-settings-checkbox-label input[type="checkbox"]:focus + .project-settings-checkbox-custom {
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.15);
}

.project-settings-checkbox-label:hover .project-settings-checkbox-custom {
  border-color: var(--accent-primary);
}

.project-settings-form-actions {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  margin-top: 8px;
}

.project-settings-save-button {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  background: var(--accent-gradient);
  border: none;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 500;
  color: white;
  cursor: pointer;
  transition: all var(--transition-fast);
  min-width: 120px;
}

.project-settings-save-button:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm), 0 0 20px rgba(16, 185, 129, 0.2);
}

.project-settings-save-button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.project-settings-button-spinner {
  width: 14px;
  height: 14px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: project-settings-spin 0.6s linear infinite;
}

/* Danger Zone */
.project-settings-danger-zone {
  background: var(--bg-secondary);
  border: 1px solid rgba(239, 68, 68, 0.3);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 24px;
}

.project-settings-danger-zone h2 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--error);
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(239, 68, 68, 0.2);
}

.project-settings-danger-item {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 24px;
}

.project-settings-danger-info h3 {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.project-settings-danger-info p {
  color: var(--text-tertiary);
  font-size: 0.8125rem;
  max-width: 400px;
}

.project-settings-delete-button {
  padding: 10px 18px;
  background: transparent;
  border: 1px solid rgba(239, 68, 68, 0.3);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--error);
  cursor: pointer;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.project-settings-delete-button:hover:not(:disabled) {
  background: var(--error-bg);
  border-color: rgba(239, 68, 68, 0.5);
}

.project-settings-delete-button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Delete Confirmation */
.project-settings-delete-confirm {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid rgba(239, 68, 68, 0.2);
  animation: project-settings-fade-in 0.2s ease;
}

.project-settings-delete-confirm p {
  color: var(--text-secondary);
  font-size: 0.875rem;
  margin-bottom: 12px;
}

.project-settings-delete-confirm strong {
  color: var(--text-primary);
  font-family: 'JetBrains Mono', 'Fira Code', 'SF Mono', Monaco, monospace;
  background: var(--bg-tertiary);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
}

.project-settings-delete-confirm-input {
  width: 100%;
  padding: 12px 14px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  color: var(--text-primary);
  transition: all var(--transition-fast);
  margin-bottom: 16px;
}

.project-settings-delete-confirm-input:focus {
  outline: none;
  border-color: var(--error);
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.15);
}

.project-settings-delete-confirm-input::placeholder {
  color: var(--text-muted);
}

.project-settings-delete-confirm-actions {
  display: flex;
  gap: 12px;
}

.project-settings-confirm-delete-button {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  background: var(--error);
  border: none;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 500;
  color: white;
  cursor: pointer;
  transition: all var(--transition-fast);
  min-width: 120px;
}

.project-settings-confirm-delete-button:hover:not(:disabled) {
  opacity: 0.9;
}

.project-settings-confirm-delete-button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.project-settings-cancel-button {
  padding: 10px 18px;
  background: transparent;
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.project-settings-cancel-button:hover:not(:disabled) {
  background: var(--bg-hover);
  border-color: var(--border-secondary);
  color: var(--text-primary);
}

.project-settings-cancel-button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.project-settings-delete-spinner {
  width: 14px;
  height: 14px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: project-settings-spin 0.6s linear infinite;
}

/* Access denied */
.project-settings-access-denied {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 80px 24px;
  text-align: center;
}

.project-settings-access-denied h2 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.project-settings-access-denied p {
  color: var(--text-tertiary);
  font-size: 0.9375rem;
  max-width: 400px;
}

/* Responsive */
@media (max-width: 768px) {
  .project-settings-danger-item {
    flex-direction: column;
    gap: 16px;
  }

  .project-settings-delete-button {
    align-self: flex-start;
  }

  .project-settings-delete-confirm-actions {
    flex-direction: column;
  }

  .project-settings-confirm-delete-button,
  .project-settings-cancel-button {
    width: 100%;
  }
}