/* Node Graph Styles - Matching React TransformView */

/* Main layout */
.node-graph-container {
    display: flex;
    height: calc(100vh - var(--header-height) - 60px);
    position: relative;
    background-color: var(--main-bg-color);
}

/* Tool drawer - left sidebar */
.tool-drawer {
    width: 200px;
    background: var(--control-bg-color);
    border-right: 1px solid var(--border-color);
    overflow-y: auto;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    position: relative;
    transition: width 0.2s ease;
}

.tool-drawer.collapsed {
    width: 28px;
    overflow: hidden;
}

.tool-drawer-toggle {
    position: absolute;
    top: 6px;
    right: 4px;
    width: 22px;
    height: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--control-bg-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
    z-index: 1;
    padding: 0;
    line-height: 1;
    transition: background-color var(--transition-fast), color var(--transition-fast);
}

.tool-drawer.collapsed .tool-drawer-toggle {
    right: 3px;
}

.tool-drawer-toggle:hover {
    background-color: var(--hover-bg);
    color: var(--text-primary);
}

.tool-drawer-section {
    border-bottom: 1px solid var(--border-color);
}

.tool-drawer-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) var(--spacing-sm) var(--spacing-sm) var(--spacing-md);
    margin-top: 28px;
    cursor: pointer;
    font-weight: 600;
    font-size: var(--font-size-sm);
    color: var(--text-primary);
    transition: background-color var(--transition-fast);
}

.tool-drawer-section:not(:first-child) .tool-drawer-header {
    margin-top: 0;
}

.tool-drawer-header:hover {
    background-color: var(--hover-bg);
}

.tool-drawer-header .chevron {
    transition: transform var(--transition-fast);
}

.tool-drawer-header.expanded .chevron {
    transform: rotate(180deg);
}

.tool-drawer-items {
    display: none;
    padding: 0;
}

.tool-drawer-items.expanded {
    display: block;
}

.tool-drawer-item {
    display: flex;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-sm) var(--spacing-sm) var(--spacing-md);
    cursor: pointer;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    transition: background-color var(--transition-fast);
    border: none;
    background: none;
    width: 100%;
    text-align: left;
}

.tool-drawer-item:hover {
    background-color: var(--hover-bg);
    color: var(--text-primary);
}

.tool-drawer-item-info {
    font-size: var(--font-size-xs);
    color: var(--text-disabled);
    margin-top: 2px;
}

/* Main graph area */
.graph-wrapper {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
    position: relative;
}

.graph-canvas {
    flex: 1;
    position: relative;
    background-color: #f4f4f4;
    background-image:
        radial-gradient(circle, #ccc 1px, transparent 1px);
    background-size: 20px 20px;
    overflow: hidden;
}

/* Node styles */
.graph-node {
    position: absolute;
    background: var(--control-bg-color);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-2);
    min-width: 240px;
    padding: 12px;
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 10px;
    border: 2px solid transparent;
    cursor: move;
    transition: box-shadow var(--transition-fast), border-color var(--transition-fast);
}

.graph-node:hover {
    box-shadow: var(--shadow-4);
}

.graph-node.selected {
    border-color: rgba(25, 118, 210, 0.6);
}

.graph-node.selected.contributing {
    border-color: #1976d2;
}

.graph-node.non-contributing {
    border-color: #9e9e9e;
    border-style: dashed;
}

.graph-node.missing-data {
    border-color: #f44336;
}

.graph-node-label {
    flex: 1;
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.graph-node-settings {
    padding: var(--spacing-xs);
    border-radius: var(--radius-sm);
    cursor: pointer;
    color: var(--text-secondary);
    transition: background-color var(--transition-fast);
}

.graph-node-settings:hover {
    background-color: var(--hover-bg);
    color: var(--text-primary);
}

/* Node handles (connection points) */
.node-handle {
    position: absolute;
    width: 16px;
    height: 35px;
    background-color: #1976d2;
    border-radius: 3px;
    cursor: crosshair;
}

.node-handle.input {
    left: -8px;
    top: 50%;
    transform: translateY(-50%);
}

.node-handle.output {
    right: -8px;
    top: 50%;
    transform: translateY(-50%);
}

.node-handle.non-contributing {
    background-color: #9e9e9e;
}

/* Edge/Connection styles */
.graph-edge {
    position: absolute;
    pointer-events: auto;
}

.graph-edge path {
    stroke: #1976d2;
    stroke-width: 2;
    fill: none;
    pointer-events: stroke;
}

.graph-edge.animated path {
    stroke-dasharray: 5;
    animation: dash 0.5s linear infinite;
}

@keyframes dash {
    to {
        stroke-dashoffset: -10;
    }
}

/* Make Blazor.Diagrams canvas show dot grid background */
/* background-size is dynamically updated via JS based on zoom level */
.diagram-canvas {
    background-color: #f4f4f4 !important;
    background-image: radial-gradient(circle, #999 1px, transparent 1px) !important;
    background-size: 12px 12px; /* Initial size, updated by NodeGraphInterop.updateDotGridZoom */
}

/* Blazor.Diagrams link/edge styling */
.diagram-link path,
.link path,
g[class*="link"] path {
    stroke: rgba(0, 0, 0, 0.8);
    stroke-width: 2;
    fill: none;
    pointer-events: stroke;
    cursor: pointer;
}

/* Add invisible wider hit area for easier link selection */
.diagram-link,
g[class*="link"] {
    pointer-events: auto !important;
}

/* Animated links (marching ants) */
.diagram-link.ongoing path,
g[class*="link"].ongoing path {
    stroke-dasharray: 5 5;
    animation: marching-ants 0.5s linear infinite;
}

@keyframes marching-ants {
    to {
        stroke-dashoffset: -10;
    }
}

/* Preview drawer at bottom */
.preview-drawer {
    background: var(--control-bg-color);
    border-top: 1px solid var(--border-color);
    height: 300px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.preview-drawer-resizer {
    height: 5px;
    background: #ccc;
    cursor: row-resize;
    transition: background var(--transition-fast);
}

.preview-drawer-resizer:hover {
    background: var(--primary-color);
}

.preview-drawer-content {
    flex: 1;
    overflow: auto;
    padding: var(--spacing-md);
}

/* Controls overlay */
.graph-controls {
    position: absolute;
    bottom: var(--spacing-md);
    left: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    background: var(--control-bg-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-2);
    padding: var(--spacing-xs);
}

.graph-control-btn {
    width: 32px;
    height: 32px;
    border: none;
    background: transparent;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    transition: background-color var(--transition-fast), color var(--transition-fast);
}

.graph-control-btn:hover {
    background-color: var(--hover-bg);
    color: var(--text-primary);
}

/* Data preview table */
.preview-table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--font-size-sm);
}

.preview-table th,
.preview-table td {
    padding: var(--spacing-sm);
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.preview-table th {
    background-color: var(--main-bg-color);
    font-weight: 600;
    position: sticky;
    top: 0;
}

.preview-table tr:hover td {
    background-color: var(--hover-bg);
}

/* Filter dialog styles */
.filter-dialog {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--control-bg-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-4);
    min-width: 500px;
    max-width: 90vw;
    max-height: 90vh;
    overflow: hidden;
    z-index: 1000;
}

.filter-dialog-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
}

.filter-dialog-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
}

.filter-dialog-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
}

.filter-dialog-body {
    padding: var(--spacing-md);
    overflow-y: auto;
    max-height: 60vh;
}

.filter-dialog-footer {
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    border-top: 1px solid var(--border-color);
}

/* Dialog close button - prominent and easy to click */
.dialog-close-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    padding: 0;
    font-size: 24px;
    font-weight: 300;
    line-height: 1;
    color: var(--text-secondary, #666);
    background: transparent;
    border: none;
    border-radius: var(--radius-sm, 4px);
    cursor: pointer;
    transition: all 0.15s ease;
}

.dialog-close-btn:hover {
    color: var(--text-primary, #333);
    background: var(--hover-bg, rgba(0, 0, 0, 0.08));
}

.dialog-close-btn:active {
    background: var(--active-bg, rgba(0, 0, 0, 0.12));
}

/* Filter row */
.filter-row {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
    margin-bottom: var(--spacing-sm);
}

.filter-row select,
.filter-row input {
    padding: var(--spacing-sm);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
    background: var(--control-bg-color);
}

.filter-row select {
    min-width: 150px;
}

.filter-row input {
    flex: 1;
}

.filter-remove-btn {
    padding: var(--spacing-xs);
    border: none;
    background: transparent;
    cursor: pointer;
    color: var(--text-disabled);
    transition: color var(--transition-fast);
}

.filter-remove-btn:hover {
    color: #f44336;
}

/* POC comparison page */
.poc-comparison {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg);
}

.poc-card {
    background: var(--control-bg-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-2);
    overflow: hidden;
}

.poc-card-header {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
    background: var(--main-bg-color);
}

.poc-card-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin: 0;
}

.poc-card-subtitle {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-top: var(--spacing-xs);
}

.poc-card-body {
    padding: var(--spacing-md);
}

.poc-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.poc-stat {
    text-align: center;
    padding: var(--spacing-md);
    background: var(--main-bg-color);
    border-radius: var(--radius-sm);
}

.poc-stat-value {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    color: var(--primary-color);
}

.poc-stat-label {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

/* Z.Blazor.Diagrams port styling */
.diagram-port {
    width: 16px !important;
    height: 35px !important;
    background-color: #1976d2 !important;
    border-radius: 3px !important;
    cursor: crosshair !important;
}

.diagram-port:hover {
    background-color: #1565c0 !important;
}

/* Make links/edges easier to select - thin visible line with wide hit area */
g.diagram-link,
.diagram-link {
    cursor: pointer !important;
    pointer-events: auto !important;
}

/* Widen Blazor.Diagrams' built-in selection helper paths for easier clicking */
path.selection-helper,
.diagram-link path.selection-helper,
g.diagram-link path.selection-helper {
    stroke-width: 20px !important;
    cursor: pointer !important;
    pointer-events: stroke !important;
}

/* Visible path - keep thin (exclude hit areas and selection helpers) */
g.diagram-link > path:not(.link-hit-area):not(.selection-helper),
.diagram-link > path:not(.link-hit-area):not(.selection-helper) {
    stroke-width: 2 !important;
    cursor: pointer !important;
    pointer-events: stroke !important;
}

/* Hover feedback - slightly thicker and colored (exclude hit areas and selection helpers) */
g.diagram-link:hover > path:not(.link-hit-area):not(.selection-helper),
.diagram-link:hover > path:not(.link-hit-area):not(.selection-helper) {
    stroke-width: 3 !important;
    stroke: #1976d2 !important;
}

/* Selected state (exclude hit areas and selection helpers) */
g.diagram-link.selected > path:not(.link-hit-area):not(.selection-helper),
.diagram-link.selected > path:not(.link-hit-area):not(.selection-helper) {
    stroke-width: 3 !important;
    stroke: #1976d2 !important;
}

/* Also target the SVG links container (exclude hit areas and selection helpers) */
.diagram-links path:not(.link-hit-area):not(.selection-helper),
svg path.link-path:not(.link-hit-area):not(.selection-helper) {
    stroke-width: 2 !important;
    cursor: pointer !important;
    pointer-events: stroke !important;
}

/* Note: Link selection is now handled by widening Blazor.Diagrams' built-in selection-helper paths
   See the path.selection-helper CSS rules above */

/* Ensure SVG group elements allow pointer events */
.diagram-links,
.diagram-canvas svg g {
    pointer-events: auto;
}

/* ============================================
   Transformation Save/Load Dialog Styles
   ============================================ */

.save-transformation-dialog,
.load-transformation-dialog,
.confirm-delete-dialog {
    min-width: 400px;
    max-width: 500px;
}

.transformation-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    max-height: 400px;
    overflow-y: auto;
}

.transformation-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    transition: all var(--transition-fast);
}

.transformation-item:hover {
    background-color: var(--hover-bg);
    border-color: var(--primary-color);
}

.transformation-item.active {
    background-color: var(--primary-bg-subtle);
    border-color: var(--primary-color);
}

.transformation-item-content {
    flex: 1;
    cursor: pointer;
    min-width: 0;
}

.transformation-name {
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.transformation-description {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-top: 2px;
}

.transformation-meta {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    margin-top: 4px;
}

.transformation-delete-btn {
    flex-shrink: 0;
    padding: 4px 8px;
    opacity: 0.6;
    transition: opacity var(--transition-fast);
}

.transformation-item:hover .transformation-delete-btn {
    opacity: 1;
}

/* Save dialog form styles */
.save-transformation-dialog .form-label {
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
}

.save-transformation-dialog .form-control {
    font-size: var(--font-size-sm);
}

.save-transformation-dialog textarea.form-control {
    resize: vertical;
    min-height: 60px;
}

/* ============================================
   3D Viewer Modal Styles
   ============================================ */

.viewer-modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1040;
}

.viewer-modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80vw;
    height: 80vh;
    max-width: 1200px;
    max-height: 800px;
    background: var(--control-bg-color, #fff);
    border-radius: var(--border-radius, 8px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    z-index: 1050;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.viewer-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md, 16px);
    border-bottom: 1px solid var(--border-color, #e0e0e0);
    flex-shrink: 0;
}

.viewer-modal-title {
    font-weight: 600;
    font-size: var(--font-size-lg, 18px);
    color: var(--text-primary, #333);
}

.viewer-modal-body {
    flex: 1;
    position: relative;
    min-height: 0;
    overflow: hidden;
}

/* Ensure the ForgeViewer inside fills the modal body */
.viewer-modal-body > div {
    width: 100%;
    height: 100%;
}

.viewer-modal-body .forge-viewer-container {
    width: 100%;
    height: 100%;
}

.viewer-modal-body #forgeViewer,
.viewer-modal-body [id^="forge-viewer-"] {
    width: 100% !important;
    height: 100% !important;
}

/* ============================================
   Add Column Dialog
   (migrated from AddColumnDialog.razor.css)
   ============================================ */

.add-column-dialog {
    width: 550px;
    max-width: 90vw;
}

.filter-dialog-body {
    max-height: 70vh;
    overflow-y: auto;
}

.filter-dialog-footer {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm, 8px);
}

.footer-spacer {
    flex: 1;
}

.btn-delete-node {
    background-color: transparent;
    color: #dc3545;
    border: 1px solid #dc3545;
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 6px 12px;
    font-size: 0.875rem;
}

.btn-delete-node:hover {
    background-color: #dc3545;
    color: white;
}

.delete-icon {
    font-size: 0.9em;
}

.column-definitions-section {
    margin-bottom: 16px;
}

.section-label {
    display: block;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--primary-600, #1976d2);
    margin-bottom: 12px;
}

.column-definition-card {
    background: #f8f9fa;
    border: 1px solid #e9ecef;
    border-radius: 6px;
    margin-bottom: 12px;
    position: relative;
    transition: border-color 0.2s ease;
}

.column-card-confirmed {
    border-color: #86efac;
}

.column-definition-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 12px;
    background: #e9ecef;
    border-bottom: 1px solid #dee2e6;
}

.column-number {
    font-weight: 600;
    font-size: 0.8rem;
    color: var(--text-secondary, #6c757d);
}

.remove-column-btn {
    background: none;
    border: none;
    color: #6c757d;
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.remove-column-btn:hover {
    color: #dc3545;
    background: rgba(220, 53, 69, 0.1);
}

.column-definition-body {
    padding: 12px;
}

.add-column-dialog .form-row {
    margin-bottom: 2px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.add-column-dialog .form-row:last-child {
    margin-bottom: 0;
}

.add-column-dialog .form-row > label {
    font-weight: 500;
    font-size: 0.8rem;
    color: var(--text-primary, #212529);
    white-space: nowrap;
    min-width: 100px;
    flex-shrink: 0;
}

.add-column-dialog .form-row input[type="text"] {
    flex: 1;
    padding: 8px 10px;
    border: 1px solid var(--border-color, #dee2e6);
    border-radius: 4px;
    font-size: 0.875rem;
}

.add-column-dialog .form-row input[type="text"]:focus {
    border-color: var(--primary-500, #2196f3);
    outline: none;
    box-shadow: 0 0 0 2px rgba(33, 150, 243, 0.1);
}

.add-column-dialog .form-row-checkbox {
    display: block;
}

.add-column-dialog .checkbox-item {
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    font-weight: normal;
    font-size: 0.8rem;
}

.add-column-dialog .checkbox-item input[type="checkbox"] {
    width: 14px;
    height: 14px;
}

.add-column-btn-container {
    display: flex;
    justify-content: center;
    margin-top: 16px;
}

.btn-add-column {
    font-size: 0.875rem;
    padding: 8px 24px;
}

.formula-hint {
    font-size: 0.75rem;
    color: var(--text-secondary, #6c757d);
    margin-bottom: 6px;
    padding-left: 110px;
}

.expression-input-container {
    position: relative;
    flex: 1;
}

.expression-chip-input {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 4px;
    min-height: 36px;
    padding: 4px 8px;
    background: white;
    border: 1px solid var(--border-color, #dee2e6);
    border-radius: 4px;
    cursor: text;
}

.expression-chip-input:focus-within {
    border-color: var(--primary-500, #2196f3);
    box-shadow: 0 0 0 2px rgba(33, 150, 243, 0.1);
}

.expression-operator {
    font-family: monospace;
    font-size: 0.85rem;
    color: var(--text-primary, #212529);
    white-space: pre;
}

.expression-inline-input {
    flex: 1;
    min-width: 80px;
    border: none;
    outline: none;
    font-family: monospace;
    font-size: 0.85rem;
    background: transparent;
    padding: 4px 0;
}

.expression-inline-input::placeholder {
    color: var(--text-secondary, #6c757d);
    font-style: italic;
    font-family: inherit;
}

.chip-remove {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 14px;
    height: 14px;
    padding: 0;
    margin-left: 2px;
    background: transparent;
    border: none;
    border-radius: 50%;
    font-size: 11px;
    font-weight: bold;
    color: var(--primary-600, #1976d2);
    cursor: pointer;
    line-height: 1;
}

.chip-remove:hover {
    background: var(--primary-200, #90caf9);
    color: var(--primary-800, #1565c0);
}

.column-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    max-height: 180px;
    overflow-y: auto;
    background: white;
    border: 1px solid var(--border-color, #dee2e6);
    border-top: none;
    border-radius: 0 0 4px 4px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    z-index: 9999;
}

.column-dropdown-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 6px 10px;
    cursor: pointer;
    font-size: 0.8rem;
    border-bottom: 1px solid #f0f0f0;
}

.column-dropdown-item:last-child {
    border-bottom: none;
}

.column-dropdown-item:hover,
.column-dropdown-item.highlighted {
    background: var(--primary-50, #e3f2fd);
}

.column-dropdown-item .col-name {
    font-weight: 500;
}

.column-dropdown-item .column-hint {
    font-family: monospace;
    font-size: 0.7rem;
    color: var(--text-secondary, #6c757d);
}

.available-columns {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid #e9ecef;
}

.available-columns-label {
    display: block;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-secondary, #6c757d);
    margin-bottom: 8px;
}

.column-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.column-chip {
    display: inline-flex;
    align-items: center;
    padding: 3px 8px;
    background: var(--primary-50, #e3f2fd);
    border: 1px solid var(--primary-200, #90caf9);
    border-radius: 12px;
    font-size: 0.7rem;
    color: var(--primary-700, #1565c0);
    cursor: pointer;
    transition: all 0.15s ease;
}

.column-chip:hover {
    background: var(--primary-100, #bbdefb);
    border-color: var(--primary-300, #64b5f6);
}

.column-chip-new {
    background: #fff3e0;
    border-color: #ffcc80;
    color: #e65100;
}

.column-chip-new:hover {
    background: #ffe0b2;
    border-color: #ffb74d;
}

.chip-badge {
    font-size: 0.6rem;
    font-weight: 600;
    text-transform: uppercase;
    margin-left: 4px;
    opacity: 0.7;
}

.column-action-row {
    display: flex;
    align-items: center;
    margin-top: 8px;
    padding-top: 8px;
    border-top: 1px solid #e9ecef;
}

.column-action-spacer {
    flex: 1;
}

.btn-confirm-column {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 12px;
    font-size: 0.8rem;
    font-weight: 500;
    color: white;
    background: var(--primary-500, #2196f3);
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background 0.15s ease;
}

.btn-confirm-column:hover {
    background: var(--primary-600, #1976d2);
}

.btn-confirm-column svg {
    flex-shrink: 0;
}

.column-confirmed {
    background: #f0fdf4;
}

.column-confirmed-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 0.8rem;
    font-weight: 500;
    color: #16a34a;
}

.field-validation-error {
    color: #dc3545;
    font-size: 0.75rem;
    margin-top: 0px;
    padding-left: 117px;
}

.input-error {
    border-color: #dc3545 !important;
}

.input-error:focus {
    box-shadow: 0 0 0 2px rgba(220, 53, 69, 0.15) !important;
}