#mappingModal .modal-dialog {
      width: 100vw;
      max-width: 100vw;
      height: 100vh;
      margin: 0;
    }

    #mappingModal .modal-content {
      height: 100%;
      border-radius: 0;
    }

    #mappingModal .modal-body {
      overflow: auto;
    }

    #mappingModal .mapping-workspace {
      display: flex;
      gap: 20px;
      min-height: calc(100vh - 240px);
      position: relative;
    }

    #mappingModal .panel {
      flex: 1;
      padding: 10px;
      background-color: #ffffff;
      border: 1px solid rgba(34, 197, 94, 0.25);
      border-radius: 8px;
      display: flex;
      flex-direction: column;
      height: auto;
      min-height: calc(100vh - 280px);
    }

    #mappingModal .panel-header {
      font-size: 18px;
      font-weight: bold;
      margin-bottom: 10px;
      display: flex;
      align-items: center;
    }

    #mappingModal .add-item-container {
      margin-bottom: 10px;
    }

    #mappingModal .mapping-bulk-scope {
      min-width: 160px;
    }

    #mappingModal .mapping-order-mode {
      min-width: 150px;
    }

    #mappingModal #mappingOrderModeHelp {
      color: #4f6356 !important;
      max-width: 720px;
    }

    #mappingModal .mapping-link-filter {
      min-width: 132px;
      max-width: 190px;
    }

    #mappingModal #mappingBulkPreviewStatus {
      min-height: 18px;
      color: #4f6356 !important;
      font-weight: 500;
    }

    #mappingModal .mapping-search .input-group-text {
      border-radius: 999px 0 0 999px;
    }

    #mappingModal .mapping-search .form-control {
      border-left: 0;
    }

    #mappingModal .mapping-search .btn {
      border-radius: 0 999px 999px 0;
      line-height: 1;
      padding-top: 0;
      padding-bottom: 0;
    }

    #mappingModal .item-list {
      flex: 0 0 auto;
      list-style: none;
      padding: 0;
      margin: 0;
      overflow: visible;
    }

    #mappingModal .item {
      margin: 6px 0;
      padding: 10px 10px;
      background: #ffffff;
      border: 1px solid #ced4da;
      border-radius: 12px;
      display: flex;
      align-items: center;
      gap: 10px;
      position: relative;
    }

    #mappingModal .item.is-selected {
      border-color: rgba(22, 163, 74, 0.65);
      box-shadow: 0 0 0 3px rgba(22, 163, 74, 0.16);
    }

    #mappingModal .item.is-focused {
      border-color: rgba(13, 148, 136, 0.62);
      box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.14);
    }

    #mappingModal .item.has-default-transform {
      border-color: rgba(37, 99, 235, 0.55);
      box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
    }

    #mappingModal .item.is-bulk-preview {
      border-color: rgba(33, 113, 82, 0.8);
      background: linear-gradient(180deg, rgba(33, 113, 82, 0.09) 0%, rgba(33, 113, 82, 0.03) 100%);
      box-shadow: 0 0 0 3px rgba(33, 113, 82, 0.14);
    }

    /* Invalid numeric-only target. */
    #mappingModal .item.is-invalid-target {
      border-color: rgba(220, 38, 38, 0.7);
      box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.14);
    }

    #mappingModal .item.is-invalid-target input {
      color: #b91c1c;
    }

    #mappingModal .item.is-invalid-target .jtk-endpoint {
      opacity: 0.3;
      pointer-events: none;
    }

    /* Search filtering: keep layout stable for jsPlumb, but visually de-emphasize non-matches. */
    #mappingModal .item.is-filtered-out {
      opacity: 0.22;
      filter: grayscale(0.4);
      pointer-events: none;
    }

    #mappingModal .item.is-dragging {
      opacity: 0.55;
    }

    #mappingModal .drag-handle {
      width: 20px;
      height: 20px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      cursor: grab;
      color: rgba(22, 163, 74, 0.85);
      user-select: none;
      flex: 0 0 auto;
    }

    /* Classic jsPlumb endpoint circles should remain visible/clickable. */
    #mappingModal .jtk-endpoint {
      cursor: pointer;
      z-index: 1066;
    }

    /* Optional: make the connection itself feel clickable too. */
    #mappingModal .jtk-connector {
      cursor: pointer;
    }

    /* Ensure endpoints are visually above items and appear "attached" to the row edge. */
    #mappingModal .mapping-endpoint {
      box-shadow: 0 6px 16px rgba(16, 24, 40, 0.18);
    }

    /* Click-to-connect: highlight the currently "armed" endpoint. */
    #mappingModal .mapping-endpoint.mapping-endpoint-armed {
      box-shadow: 0 0 0 4px rgba(13, 148, 136, 0.25), 0 10px 18px rgba(16, 24, 40, 0.22);
      transform: scale(1.08);
    }
    #mappingModal .item input {
      border: none;
      background: transparent;
      width: 100%;
      outline: none;
      min-width: 0;
    }

    #mappingModal .mapping-item-transform-indicator {
      width: 24px;
      height: 24px;
      border-radius: 999px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      flex: 0 0 auto;
      color: #1d4ed8;
      background: rgba(37, 99, 235, 0.12);
      box-shadow: inset 0 0 0 1px rgba(37, 99, 235, 0.16);
    }

    #mappingModal .delete-btn {
      background: transparent;
      border: none;
      color: #dc2626;
      font-size: 18px;
      cursor: pointer;
      flex: 0 0 auto;
    }

    /* Per-source "total" toggle: declares the label as a total row/column. */
    #mappingModal .mapping-item-total-btn {
      width: 24px;
      height: 24px;
      border-radius: 999px;
      border: 1px solid rgba(107, 114, 128, 0.4);
      background: transparent;
      color: #6b7280;
      font-size: 13px;
      font-weight: 700;
      line-height: 1;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      flex: 0 0 auto;
    }

    #mappingModal .mapping-item-total-btn:hover {
      border-color: rgba(22, 163, 74, 0.6);
      color: #16a34a;
    }

    #mappingModal .mapping-item-total-btn[aria-pressed="true"] {
      background: rgba(22, 163, 74, 0.14);
      border-color: rgba(22, 163, 74, 0.7);
      color: #15803d;
      box-shadow: inset 0 0 0 1px rgba(22, 163, 74, 0.25);
    }

    #mappingModal .item.is-total input {
      font-weight: 700;
    }

    #mappingModal .panel-actions .btn {
      line-height: 1;
    }

    #mappingModal #middle-panel {
      display: flex;
      align-items: center;
      justify-content: center;
    }

    #mappingModal .mapping-icon-switch-wrap {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      position: relative;
    }

    #mappingModal .mapping-icon-switch-input {
      position: absolute;
      opacity: 0;
      pointer-events: none;
    }

    #mappingModal .mapping-icon-switch-label {
      width: 34px;
      min-width: 34px;
      height: 34px;
      border-radius: 999px;
      border: 1px solid rgba(33, 113, 82, 0.52);
      background: #ffffff;
      color: #446057;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      transition: background-color 0.18s ease, color 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
    }

    #mappingModal .mapping-icon-switch-input:checked + .mapping-icon-switch-label {
      color: #ffffff;
      background: var(--app-green-800, #217152);
      border-color: var(--app-green-800, #217152);
      box-shadow: 0 0 0 0.15rem rgba(33, 113, 82, 0.17);
    }

    #mappingModal .mapping-icon-switch-input:focus-visible + .mapping-icon-switch-label {
      box-shadow: 0 0 0 0.15rem rgba(33, 113, 82, 0.2);
    }

    #mappingModal .mapping-icon-switch-input:disabled + .mapping-icon-switch-label {
      opacity: 0.55;
      cursor: not-allowed;
      color: #8aa096;
      border-color: rgba(121, 148, 134, 0.45);
      background: #f7fbf8;
    }

    #mappingModal .mapping-bulk-icon-btn {
      width: 34px;
      min-width: 34px;
      height: 34px;
      padding: 0;
      border-radius: 999px;
      position: relative;
      color: var(--app-green-900, #1b5b43);
      border-color: rgba(33, 113, 82, 0.58);
      background: #fff;
      transition: background-color 0.18s ease, color 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
    }

    #mappingModal .mapping-bulk-icon-btn .mapping-bulk-icon {
      transition: transform 0.18s ease, opacity 0.18s ease;
    }

    #mappingModal .mapping-panel-clear-btn .mapping-bulk-icon {
      font-size: 0.95rem;
    }

    #mappingModal .mapping-bulk-icon-btn.icon-switching .mapping-bulk-icon {
      opacity: 0;
      transform: scale(0.7) rotate(-26deg);
    }

    #mappingModal .mapping-bulk-icon-btn[data-mode="disconnect"] {
      color: #8a1f2a;
      border-color: rgba(138, 31, 42, 0.5);
      background: #fff;
    }

    #mappingModal .mapping-bulk-icon-btn:hover:not(:disabled),
    #mappingModal .mapping-bulk-icon-btn:focus-visible:not(:disabled),
    #mappingModal .mapping-bulk-icon-btn:active:not(:disabled) {
      color: #fff !important;
      background: var(--app-green-800, #217152) !important;
      border-color: var(--app-green-800, #217152) !important;
      box-shadow: 0 0 0 0.15rem rgba(33, 113, 82, 0.18) !important;
    }

    #mappingModal .mapping-bulk-icon-btn[data-mode="disconnect"]:hover:not(:disabled),
    #mappingModal .mapping-bulk-icon-btn[data-mode="disconnect"]:focus-visible:not(:disabled),
    #mappingModal .mapping-bulk-icon-btn[data-mode="disconnect"]:active:not(:disabled) {
      color: #fff !important;
      background: #8a1f2a !important;
      border-color: #8a1f2a !important;
      box-shadow: 0 0 0 0.15rem rgba(138, 31, 42, 0.2) !important;
    }

    #mappingModal .mapping-bulk-icon-btn:disabled {
      opacity: 0.55;
      color: #799486;
      border-color: rgba(121, 148, 134, 0.45);
      background: #f7fbf8;
    }

    #mappingModal .mapping-bulk-icon-btn[data-impact]::after {
      content: attr(data-impact);
      position: absolute;
      top: -6px;
      right: -6px;
      min-width: 16px;
      height: 16px;
      border-radius: 999px;
      padding: 0 4px;
      background: #0f766e;
      color: #fff;
      font-size: 0.62rem;
      font-weight: 700;
      line-height: 16px;
      text-align: center;
      box-shadow: 0 2px 6px rgba(15, 118, 110, 0.28);
    }

    /* Panel focus (wider) */
    #jsplumb-container.mapping-focus-left #left-panel {
      flex: 2.2 !important;
    }
    #jsplumb-container.mapping-focus-left #right-panel,
    #jsplumb-container.mapping-focus-left #data-panel {
      flex: 1 !important;
    }

    #jsplumb-container.mapping-focus-right #right-panel {
      flex: 2.2 !important;
    }
    #jsplumb-container.mapping-focus-right #left-panel,
    #jsplumb-container.mapping-focus-right #data-panel {
      flex: 1 !important;
    }

    #jsplumb-container.mapping-focus-data #data-panel {
      flex: 2.2 !important;
    }
    #jsplumb-container.mapping-focus-data #left-panel,
    #jsplumb-container.mapping-focus-data #right-panel {
      flex: 1 !important;
    }

    #jsplumb-container.mapping-focus-left #middle-panel,
    #jsplumb-container.mapping-focus-right #middle-panel,
    #jsplumb-container.mapping-focus-data #middle-panel,
    #jsplumb-container.mapping-focus-left #middle-panel-2,
    #jsplumb-container.mapping-focus-right #middle-panel-2,
    #jsplumb-container.mapping-focus-data #middle-panel-2 {
      flex: 0.12 !important;
    }

    #jsplumb-container:not(.mapping-stage2-enabled) .mapping-endpoint-stage2 {
      display: none !important;
    }

    /* Zoom levels (discrete, avoids CSS calc multiplication) */
    #mappingModal.mapping-zoom-90 .modal-body {
      font-size: 0.9rem;
    }
    #mappingModal.mapping-zoom-110 .modal-body {
      font-size: 1.1rem;
    }
    #mappingModal.mapping-zoom-125 .modal-body {
      font-size: 1.25rem;
    }

    /* Keep workspace sizing responsive on fullscreen; only font-size changes with zoom. */