/* Global button styles */
.btn {
  padding: var(--space-3) 24px;
  border: none;
  border-radius: var(--radius-md);
  font-size: 15px;
  cursor: pointer;
  transition: all 0.2s ease;
  font-weight: 500;
  text-decoration: none;
  display: inline-block;
  text-align: center;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-white);
  border: 1px transparent;
  border-radius: var(--radius-sm);
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 8px rgba(0, 123, 255, 0.3);
}

.btn-primary:disabled {
  background: var(--color-gray-400);
  cursor: not-allowed;
  transform: none;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.btn-success {
  background: var(--color-success);
  color: var(--color-white);
}

.btn-success:hover {
  background: var(--color-success-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 8px rgba(40, 167, 69, 0.3);
}

.btn-warning {
  background: var(--color-warning);
  color: var(--color-gray-900);
}

.btn-warning:hover {
  background: var(--color-warning-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 8px rgba(255, 193, 7, 0.3);
}

.btn-danger {
  background: var(--color-danger);
  color: var(--color-white);
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
}

.btn-danger:hover {
  background: var(--color-danger-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 8px rgba(220, 53, 69, 0.3);
}

.btn-danger:disabled {
  background: var(--color-gray-400);
  cursor: not-allowed;
  transform: none;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  opacity: 0.6;
}

.btn-secondary {
  background: var(--color-gray-600);
  color: var(--color-white);
  border-radius: var(--radius-sm);
}

.btn-secondary:hover {
  background: var(--color-gray-700);
  transform: translateY(-1px);
  box-shadow: 0 4px 8px rgba(108, 117, 125, 0.3);
}

.btn-secondary:disabled {
  background: var(--color-gray-400);
  cursor: not-allowed;
  transform: none;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  opacity: 0.6;
}

/* Button loading state (for Check for Updates button) */
.btn-secondary svg.btn-icon {
  flex-shrink: 0;
  transition: transform 0.3s ease;
}

.btn-secondary.loading {
  opacity: 0.7;
  cursor: not-allowed;
}

.btn-secondary.loading svg.btn-icon {
  animation: spin 1s linear infinite;
}

.btn-secondary.loading:hover {
  transform: none;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

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

.btn-sm {
  padding: var(--space-2) 16px;
  font-size: 13px;
}

.btn-border {
  border: 1px solid var(--color-gray-600);
}