.flip-buttons {
      display: flex;
      gap: 12px;
      flex-wrap: wrap;
      margin-top: 8px;
    }
    .flip-btn {
      flex: 1;
      min-width: 160px;
      padding: 16px 20px;
      background: var(--color-bg);
      border: 1px solid var(--color-border);
      border-radius: var(--radius-sm);
      cursor: pointer;
      font-family: var(--font-body);
      font-size: 0.95rem;
      font-weight: 500;
      color: var(--color-text-secondary);
      transition: all var(--transition-fast);
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
    }
    .flip-btn:hover {
      border-color: var(--color-primary-subtle);
      background: var(--color-primary-light);
      color: var(--color-primary);
    }
    .flip-btn.active {
      border-color: var(--color-primary);
      background: var(--color-primary-light);
      color: var(--color-primary);
      font-weight: 600;
    }
    .flip-btn svg {
      flex-shrink: 0;
    }