/* ==================== API CONFIGURATION ==================== */
    .api-config {
      background: var(--card);
      border: 1px solid var(--border);
      border-radius: var(--radius-sm);
      padding: 16px;
      margin-bottom: 16px;
    }

    .form-group {
      margin-bottom: 12px;
    }

    .form-group label {
      display: block;
      font-weight: 500;
      color: var(--foreground);
      font-size: 0.9rem;
      margin-bottom: 6px;
    }

    .api-input {
      width: 100%;
      padding: 10px 12px;
      background: var(--background);
      border: 1px solid var(--border);
      border-radius: var(--radius-sm);
      color: var(--foreground);
      font-size: 0.9rem;
      outline: none;
      transition: all 0.2s ease;
    }

    .api-input:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(34, 211, 187, 0.1);
    }

    .api-textarea {
      width: 100%;
      padding: 10px 12px;
      background: var(--background);
      border: 1px solid var(--border);
      border-radius: var(--radius-sm);
      color: var(--foreground);
      font-size: 0.9rem;
      font-family: 'JetBrains Mono', monospace;
      outline: none;
      transition: all 0.2s ease;
      resize: vertical;
      min-height: 120px;
    }

    .api-textarea:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(34, 211, 187, 0.1);
    }

    .curl-input-group {
      display: flex;
      gap: 8px;
      align-items: flex-start;
    }

    .curl-input-group textarea {
      flex: 1;
    }

    .curl-input-group .btn-outline {
      background: transparent;
      border: 1px solid var(--border);
      color: var(--foreground);
      padding: 8px 12px;
      border-radius: var(--radius-sm);
      cursor: pointer;
      transition: all 0.2s ease;
      white-space: nowrap;
      font-size: 0.85rem;
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .curl-input-group .btn-outline:hover {
      background: var(--hover);
      border-color: var(--primary);
    }

    .section-subtitle {
      font-size: 0.9rem;
      font-weight: 600;
      color: var(--foreground);
      margin-bottom: 12px;
    }

    /* Parameter Mapping */
    .parameter-mapping {
      background: var(--card);
      border: 1px solid var(--border);
      border-radius: var(--radius-sm);
      padding: 16px;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .mapping-row {
      display: grid;
      grid-template-columns: 1fr auto 1fr;
      gap: 12px;
      align-items: center;
      padding: 12px;
      background: var(--background);
      border-radius: var(--radius-sm);
    }

    .mapping-field {
      display: flex;
      flex-direction: column;
    }

    .mapping-field-label {
      font-size: 0.75rem;
      color: var(--muted);
      margin-bottom: 4px;
      text-transform: uppercase;
      letter-spacing: 0.05em;
    }

    .mapping-field-value {
      font-size: 0.9rem;
      color: var(--foreground);
      font-weight: 500;
      padding: 8px;
      background: var(--secondary);
      border-radius: var(--radius-sm);
      border: 1px solid var(--border);
    }

    .mapping-sample {
      font-size: 0.75rem;
      color: var(--muted);
      margin-top: 4px;
      font-style: italic;
    }

    .lead-fields-list {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 8px;
    }

    .field-tag {
      display: inline-flex;
      align-items: center;
      padding: 4px 10px;
      border-radius: 999px;
      border: 1px solid #cbd5e1;
      background: #f8fafc;
      color: #334155;
      font-size: 12px;
      font-weight: 600;
    }

    .field-tag.meta {
      border-color: #bae6fd;
      background: #f0f9ff;
      color: #0369a1;
    }

    .gads-dest-config {
      margin-top: 12px;
      padding: 14px;
      border: 1px solid var(--border);
      border-radius: var(--radius-sm);
      background: var(--card);
    }

    .mapping-dest,
    .mapping-source {
      width: 100%;
    }

    .mapping-arrow {
      color: var(--muted);
      font-weight: 700;
      text-align: center;
      min-width: 18px;
    }

    .mapping-select {
      padding: 8px;
      background: var(--secondary);
      border: 1px solid var(--border);
      border-radius: var(--radius-sm);
      color: var(--foreground);
      font-size: 0.9rem;
      cursor: pointer;
      appearance: none;
      background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
      background-position: right 6px center;
      background-repeat: no-repeat;
      background-size: 16px;
      padding-right: 28px;
    }

    .mapping-select:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(34, 211, 187, 0.1);
      outline: none;
    }

    .fixed-value-input {
      margin-top: 6px;
      padding: 8px;
      background: var(--secondary);
      border: 1px solid var(--primary);
      border-radius: var(--radius-sm);
      color: var(--foreground);
      font-size: 0.9rem;
      width: 100%;
      box-sizing: border-box;
    }

    .fixed-value-input:focus {
      outline: none;
      box-shadow: 0 0 0 3px rgba(24, 119, 242, 0.12);
    }

    .mapping-arrow {
      display: flex;
      justify-content: center;
      color: var(--primary);
    }

    .mapping-arrow svg {
      width: 18px;
      height: 18px;
    }

    .parameters-table {
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    /* ==================== GOOGLE SHEETS CONFIGURATION ==================== */