/*
 * Summerlytics VPT - Phase 5A Shared UI Foundation
 * Cosmetic-only design-system primitives.
 *
 * This file intentionally does not change business logic, permissions,
 * workflow lifecycle behavior, routes, controller queries, or tenant scoping.
 */

:root {
    --vpt-ui-primary: #0b5ed7;
    --vpt-ui-primary-hover: #0a58ca;
    --vpt-ui-primary-soft: #eaf3ff;
    --vpt-ui-accent: #f7941d;
    --vpt-ui-success: #198754;
    --vpt-ui-success-soft: #e8f7ef;
    --vpt-ui-warning: #b76e00;
    --vpt-ui-warning-soft: #fff4df;
    --vpt-ui-danger: #c63c3c;
    --vpt-ui-danger-soft: #fdecec;
    --vpt-ui-info: #0b6aa2;
    --vpt-ui-info-soft: #e8f4fb;
    --vpt-ui-neutral-900: #172033;
    --vpt-ui-neutral-700: #475569;
    --vpt-ui-neutral-600: #64748b;
    --vpt-ui-neutral-500: #7c8798;
    --vpt-ui-neutral-300: #d7e0eb;
    --vpt-ui-neutral-200: #e6edf5;
    --vpt-ui-neutral-100: #f5f8fc;
    --vpt-ui-surface: #ffffff;
    --vpt-ui-radius-sm: 7px;
    --vpt-ui-radius-md: 10px;
    --vpt-ui-radius-lg: 14px;
    --vpt-ui-shadow-sm: 0 4px 14px rgba(31, 41, 55, 0.06);
    --vpt-ui-focus-ring: 0 0 0 3px rgba(11, 94, 215, 0.18);
    --vpt-ui-supporting-blue: #0199fc;
    --vpt-ui-text: #1f2937;
    --vpt-ui-space-1: 4px;
    --vpt-ui-space-2: 8px;
    --vpt-ui-space-3: 12px;
    --vpt-ui-space-4: 16px;
    --vpt-ui-space-5: 20px;
    --vpt-ui-space-6: 24px;
    --vpt-ui-space-8: 32px;
    --vpt-ui-font-xs: 11px;
    --vpt-ui-font-sm: 12px;
    --vpt-ui-font-md: 14px;
    --vpt-ui-font-lg: 18px;
    --vpt-ui-font-xl: 26px;
    --vpt-ui-control-height: 40px;
    --vpt-ui-touch-target: 44px;
    --vpt-ui-transition: 160ms ease;
    --vpt-primary: var(--vpt-ui-primary);
    --vpt-danger: var(--vpt-ui-danger);
    --vpt-danger-soft: var(--vpt-ui-danger-soft);
    --vpt-warning-soft: var(--vpt-ui-warning-soft);
    --vpt-success-soft: var(--vpt-ui-success-soft);
    --vpt-neutral-soft: var(--vpt-ui-neutral-100);
    --vpt-surface-subtle: var(--vpt-ui-neutral-100);
    --vpt-border-strong: var(--vpt-ui-neutral-300);
    --vpt-radius-lg: var(--vpt-ui-radius-lg);
    --vpt-space-1: var(--vpt-ui-space-1);
    --vpt-space-2: var(--vpt-ui-space-2);
    --vpt-space-3: var(--vpt-ui-space-3);
    --vpt-space-4: var(--vpt-ui-space-4);
    --vpt-space-5: var(--vpt-ui-space-5);
    --vpt-space-6: var(--vpt-ui-space-6);
    --vpt-font-size-xs: var(--vpt-ui-font-xs);
    --vpt-font-size-sm: var(--vpt-ui-font-sm);
    --vpt-font-size-xl: var(--vpt-ui-font-xl);
    --vpt-control-height: var(--vpt-ui-control-height);
    --vpt-control-height-sm: 32px;
}

/* Operational form/detail shells (Phase 18B-5) */
.vpt-operational-form,
.vpt-operational-detail {
    min-width: 0;
}

.vpt-operational-form .card,
.vpt-operational-detail .card {
    overflow: visible;
    border: 1px solid var(--vpt-ui-neutral-200);
    border-radius: var(--vpt-ui-radius-md);
    box-shadow: var(--vpt-ui-shadow-sm);
}

.vpt-operational-form .card > .header,
.vpt-operational-detail .card > .header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--vpt-ui-space-4);
    min-height: 0;
    height: auto;
    padding: var(--vpt-ui-space-5);
    border-bottom: 1px solid var(--vpt-ui-neutral-200);
}

.vpt-operational-form .card > .header h2,
.vpt-operational-detail .card > .header h2 {
    min-width: 0;
    margin: 0;
    color: var(--vpt-ui-neutral-900);
    font-size: var(--vpt-ui-font-xl);
    font-weight: 750;
    line-height: 1.25;
    overflow-wrap: anywhere;
}

.vpt-operational-form .card > .body,
.vpt-operational-detail .card > .body {
    min-width: 0;
    padding: var(--vpt-ui-space-5);
}

.vpt-operational-form .form-row,
.vpt-operational-form .row,
.vpt-operational-detail .row {
    min-width: 0;
}

.vpt-operational-form label,
.vpt-operational-detail label {
    color: var(--vpt-ui-neutral-700);
    font-weight: 700;
}

.vpt-operational-form input,
.vpt-operational-form select,
.vpt-operational-form textarea {
    max-width: 100%;
}

.vpt-operational-form .table-responsive,
.vpt-operational-detail .table-responsive {
    max-width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.vpt-operational-form .header-dropdown,
.vpt-operational-detail .header-dropdown {
    position: static !important;
    top: auto !important;
    right: auto !important;
    display: flex;
    flex: 0 0 auto;
    margin: 0;
    padding: 0;
    max-width: 100%;
}

.vpt-operational-form .header-dropdown a,
.vpt-operational-detail .header-dropdown a,
.vpt-operational-form .header-dropdown button,
.vpt-operational-detail .header-dropdown button {
    min-height: var(--vpt-ui-touch-target);
}

.vpt-operational-detail dl {
    min-width: 0;
}

.vpt-operational-detail dd,
.vpt-operational-detail td,
.vpt-operational-detail th {
    overflow-wrap: anywhere;
}

@media (max-width: 767.98px) {
    .vpt-operational-form .card > .header,
    .vpt-operational-detail .card > .header {
        flex-direction: column;
        align-items: stretch;
    }

    .vpt-operational-form .card > .body,
    .vpt-operational-detail .card > .body {
        padding: var(--vpt-ui-space-4);
    }

    .vpt-operational-form .header-dropdown,
    .vpt-operational-detail .header-dropdown,
    .vpt-operational-form .header-dropdown > li,
    .vpt-operational-detail .header-dropdown > li {
        width: 100%;
    }

    .vpt-operational-form .header-dropdown a,
    .vpt-operational-detail .header-dropdown a,
    .vpt-operational-form .header-dropdown button,
    .vpt-operational-detail .header-dropdown button {
        width: 100%;
    }
}

/* Accessible interaction baseline */

:where(a, button, input, select, textarea, [tabindex]):focus-visible {
    outline: 3px solid rgba(1, 153, 252, 0.72);
    outline-offset: 2px;
}

.vpt-workspace {
    width: 100%;
    min-width: 0;
}

/* Page header */

.vpt-page-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 18px;
    margin-bottom: 20px;
}

.vpt-page-header__main {
    min-width: 0;
}

.vpt-page-header__eyebrow {
    display: block;
    margin-bottom: 4px;
    color: var(--vpt-ui-primary);
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 0.09em;
    text-transform: uppercase;
}

.vpt-page-header__title {
    margin: 0;
    color: var(--vpt-ui-neutral-900);
    font-size: 26px;
    font-weight: 750;
    line-height: 1.2;
}

.vpt-page-header__subtitle {
    max-width: 760px;
    margin: 6px 0 0;
    color: var(--vpt-ui-neutral-600);
    font-size: 13px;
    line-height: 1.55;
}

.vpt-page-header__actions,
.vpt-action-group {
    display: flex;
    flex: 0 0 auto;
    align-items: center;
    justify-content: flex-end;
    gap: 8px;
    flex-wrap: wrap;
}

/* Shared action buttons */

.vpt-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 38px;
    padding: 8px 14px;
    border: 1px solid transparent;
    border-radius: var(--vpt-ui-radius-sm);
    font-size: 12px;
    font-weight: 700;
    line-height: 1.2;
    text-decoration: none !important;
    white-space: nowrap;
    transition:
        color 160ms ease,
        background-color 160ms ease,
        border-color 160ms ease,
        box-shadow 160ms ease,
        transform 160ms ease;
}

.vpt-btn--icon-only {
    width: var(--vpt-ui-control-height);
    min-width: var(--vpt-ui-control-height);
    padding-right: 0;
    padding-left: 0;
}

.vpt-btn--icon-only i,
.vpt-btn--icon-only svg {
    margin-right: 0;
}

.vpt-btn i,
.vpt-btn svg {
    margin-right: 7px;
}

.vpt-btn:hover {
    transform: translateY(-1px);
}

.vpt-btn:focus,
.vpt-btn:focus-visible {
    outline: 3px solid rgba(1, 153, 252, 0.72);
    outline-offset: 2px;
    box-shadow: var(--vpt-ui-focus-ring);
}

.vpt-btn:disabled,
.vpt-btn.disabled,
.vpt-btn[aria-disabled="true"] {
    cursor: not-allowed;
    opacity: 0.55;
    pointer-events: none;
    transform: none;
}

.vpt-btn--primary {
    color: #fff !important;
    background: var(--vpt-ui-primary);
    border-color: var(--vpt-ui-primary);
}

.vpt-btn--primary:hover,
.vpt-btn--primary:focus {
    color: #fff !important;
    background: var(--vpt-ui-primary-hover);
    border-color: var(--vpt-ui-primary-hover);
}

.vpt-btn--success {
    color: #fff !important;
    background: var(--vpt-ui-success);
    border-color: var(--vpt-ui-success);
}

.vpt-btn--warning {
    color: #fff !important;
    background: var(--vpt-ui-warning);
    border-color: var(--vpt-ui-warning);
}

.vpt-btn--danger {
    color: #fff !important;
    background: var(--vpt-ui-danger);
    border-color: var(--vpt-ui-danger);
}

.vpt-btn--neutral {
    color: var(--vpt-ui-neutral-700) !important;
    background: var(--vpt-ui-surface);
    border-color: var(--vpt-ui-neutral-300);
}

.vpt-btn--neutral:hover,
.vpt-btn--neutral:focus {
    color: var(--vpt-ui-neutral-900) !important;
    background: var(--vpt-ui-neutral-100);
    border-color: #c6d2df;
}

.vpt-btn--ghost {
    color: var(--vpt-ui-primary) !important;
    background: transparent;
    border-color: transparent;
}

.vpt-btn--ghost:hover,
.vpt-btn--ghost:focus {
    background: var(--vpt-ui-primary-soft);
}

/* Separate ordinary navigation from workflow actions. */

.vpt-workflow-actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 8px;
    flex-wrap: wrap;
    padding: 12px 14px;
    background: var(--vpt-ui-neutral-100);
    border: 1px solid var(--vpt-ui-neutral-200);
    border-radius: var(--vpt-ui-radius-md);
}

.vpt-workflow-actions__spacer {
    flex: 1 1 auto;
}

.vpt-action-menu .dropdown-menu {
    min-width: 190px;
    padding: var(--vpt-ui-space-2);
    border: 1px solid var(--vpt-ui-neutral-200);
    border-radius: var(--vpt-ui-radius-sm);
    box-shadow: 0 12px 28px rgba(31, 41, 55, 0.12);
}

.vpt-action-menu .dropdown-item {
    min-height: 38px;
    padding: 9px 10px;
    color: var(--vpt-ui-neutral-700);
    border-radius: 5px;
    font-size: var(--vpt-ui-font-sm);
    font-weight: 600;
}

.vpt-action-menu .dropdown-item:hover,
.vpt-action-menu .dropdown-item:focus {
    color: var(--vpt-ui-text);
    background: var(--vpt-ui-neutral-100);
}

.vpt-action-menu .dropdown-item--danger {
    color: var(--vpt-ui-danger);
}

/* Search and filter controls */

.vpt-filter-panel {
    margin-bottom: 18px;
    padding: 15px;
    background: var(--vpt-ui-surface);
    border: 1px solid var(--vpt-ui-neutral-200);
    border-radius: var(--vpt-ui-radius-md);
    box-shadow: var(--vpt-ui-shadow-sm);
}

.vpt-filter-grid {
    display: grid;
    grid-template-columns: minmax(220px, 2fr) repeat(3, minmax(150px, 1fr)) auto;
    gap: 10px;
    align-items: end;
}
/*
 * Bootstrap compatibility:
 * Some legacy register filters still use Bootstrap row/form-row + col-*.
 * When vpt-filter-grid is added for semantic normalization, preserve the
 * Bootstrap flex layout instead of replacing it with CSS Grid.
 */
.row.vpt-filter-grid,
.form-row.vpt-filter-grid {
    display: flex;
    flex-wrap: wrap;
    grid-template-columns: none;
    gap: 0;
    align-items: flex-end;
}

.vpt-filter-field {
    min-width: 0;
}

.vpt-filter-field label {
    display: block;
    margin-bottom: 5px;
    color: var(--vpt-ui-neutral-700);
    font-size: 11px;
    font-weight: 700;
}

.vpt-filter-field .form-control,
.vpt-filter-field .custom-select,
.vpt-filter-field select,
.vpt-filter-field input {
    min-height: 38px;
}

.vpt-filter-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.vpt-table-toolbar {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: var(--vpt-ui-space-3);
    flex-wrap: wrap;
    margin-bottom: var(--vpt-ui-space-4);
}

/* Status badges */

.vpt-status {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 24px;
    padding: 4px 9px;
    border: 1px solid transparent;
    border-radius: 999px;
    font-size: 10.5px;
    font-weight: 800;
    line-height: 1.15;
    white-space: nowrap;
}

.vpt-status--draft,
.vpt-status--inactive,
.vpt-status--closed,
.vpt-status--neutral,
.vpt-status--not-started,
.vpt-status--not-required {
    color: #4b5563;
    background: #eef2f6;
    border-color: #dbe3ec;
}

.vpt-status--submitted,
.vpt-status--open,
.vpt-status--info,
.vpt-status--in-progress {
    color: #0752a6;
    background: var(--vpt-ui-primary-soft);
    border-color: #c8dfff;
}

.vpt-status--pending,
.vpt-status--pending-approval,
.vpt-status--partially-received,
.vpt-status--partial,
.vpt-status--awaiting-quality,
.vpt-status--held,
.vpt-status--rework {
    color: #8a5300;
    background: var(--vpt-ui-warning-soft);
    border-color: #f0d19a;
}

.vpt-status--approved,
.vpt-status--completed,
.vpt-status--active,
.vpt-status--fully-received,
.vpt-status--confirmed,
.vpt-status--accepted,
.vpt-status--success {
    color: #11633c;
    background: var(--vpt-ui-success-soft);
    border-color: #b9e2cd;
}

.vpt-status--rejected,
.vpt-status--cancelled,
.vpt-status--reversed,
.vpt-status--failed,
.vpt-status--critical {
    color: #9c2828;
    background: var(--vpt-ui-danger-soft);
    border-color: #efc0c0;
}

/* Sections, summaries and forms */

.vpt-section {
    min-width: 0;
    margin-bottom: var(--vpt-ui-space-6);
    overflow: hidden;
    background: var(--vpt-ui-surface);
    border: 1px solid var(--vpt-ui-neutral-200);
    border-radius: var(--vpt-ui-radius-md);
    box-shadow: var(--vpt-ui-shadow-sm);
}

.vpt-section__header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--vpt-ui-space-4);
    padding: var(--vpt-ui-space-4) var(--vpt-ui-space-5);
    background: var(--vpt-ui-surface);
    border-bottom: 1px solid var(--vpt-ui-neutral-200);
}

.vpt-section__title {
    margin: 0;
    color: var(--vpt-ui-text);
    font-size: var(--vpt-ui-font-lg);
    font-weight: 700;
    line-height: 1.35;
}

.vpt-section__description {
    margin: var(--vpt-ui-space-1) 0 0;
    color: var(--vpt-ui-neutral-600);
    font-size: var(--vpt-ui-font-sm);
    line-height: 1.5;
}

.vpt-section__body {
    min-width: 0;
    padding: var(--vpt-ui-space-5);
}

.vpt-section__body--flush {
    padding: 0;
}

.vpt-form-grid {
    display: grid;
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: var(--vpt-ui-space-4);
}

.vpt-field {
    min-width: 0;
    grid-column: span 12;
}

.vpt-field--4 { grid-column: span 4; }
.vpt-field--6 { grid-column: span 6; }
.vpt-field--8 { grid-column: span 8; }

.vpt-field > label,
.vpt-field__label {
    display: block;
    margin-bottom: 6px;
    color: var(--vpt-ui-neutral-700);
    font-size: var(--vpt-ui-font-sm);
    font-weight: 700;
    line-height: 1.35;
}

.vpt-required {
    color: var(--vpt-ui-danger);
    font-weight: 800;
}

.vpt-field .form-control,
.vpt-field .custom-select,
.vpt-field select,
.vpt-field input:not([type="checkbox"]):not([type="radio"]) {
    min-height: var(--vpt-ui-control-height);
    border-color: var(--vpt-ui-neutral-300);
    border-radius: var(--vpt-ui-radius-sm);
}

.vpt-field textarea.form-control {
    min-height: 96px;
}

.vpt-field .form-control:focus,
.vpt-field .custom-select:focus,
.vpt-field select:focus {
    border-color: var(--vpt-ui-primary);
    box-shadow: var(--vpt-ui-focus-ring);
}

.vpt-field__help,
.vpt-field .form-text {
    display: block;
    margin-top: 6px;
    color: var(--vpt-ui-neutral-600);
    font-size: var(--vpt-ui-font-xs);
    line-height: 1.45;
}

.vpt-field__error,
.vpt-field .invalid-feedback {
    color: var(--vpt-ui-danger);
    font-size: var(--vpt-ui-font-xs);
    font-weight: 600;
}

.vpt-summary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--vpt-ui-space-3);
}

.vpt-summary-item {
    min-width: 0;
    padding: var(--vpt-ui-space-4);
    background: var(--vpt-ui-neutral-100);
    border: 1px solid var(--vpt-ui-neutral-200);
    border-radius: var(--vpt-ui-radius-sm);
}

.vpt-summary-item__label {
    color: var(--vpt-ui-neutral-600);
    font-size: var(--vpt-ui-font-xs);
    font-weight: 700;
    letter-spacing: 0.03em;
    text-transform: uppercase;
}

.vpt-summary-item__value {
    margin-top: var(--vpt-ui-space-1);
    color: var(--vpt-ui-text);
    font-size: var(--vpt-ui-font-md);
    font-weight: 700;
    overflow-wrap: anywhere;
}

.vpt-attachment-list,
.vpt-history {
    padding: 0;
    margin: 0;
    list-style: none;
}

.vpt-attachment-list > li,
.vpt-history > li {
    padding: var(--vpt-ui-space-3) 0;
    border-bottom: 1px solid var(--vpt-ui-neutral-200);
}

.vpt-attachment-list > li:last-child,
.vpt-history > li:last-child {
    border-bottom: 0;
}

.vpt-alert {
    display: flex;
    align-items: flex-start;
    gap: var(--vpt-ui-space-3);
    padding: var(--vpt-ui-space-3) var(--vpt-ui-space-4);
    border: 1px solid var(--vpt-ui-neutral-200);
    border-radius: var(--vpt-ui-radius-sm);
    color: var(--vpt-ui-text);
    background: var(--vpt-ui-surface);
}

.vpt-alert--info { background: var(--vpt-ui-info-soft); border-color: #b9ddf2; }
.vpt-alert--success { background: var(--vpt-ui-success-soft); border-color: #b9e2cd; }
.vpt-alert--warning { background: var(--vpt-ui-warning-soft); border-color: #f0d19a; }
.vpt-alert--danger { background: var(--vpt-ui-danger-soft); border-color: #efc0c0; }

.vpt-status--posted,
.vpt-status--published,
.vpt-status--restored {
    color: #11633c;
    background: var(--vpt-ui-success-soft);
    border-color: #b9e2cd;
}

/* Tables and row actions */

.vpt-table-shell {
    overflow: hidden;
    background: var(--vpt-ui-surface);
    border: 1px solid var(--vpt-ui-neutral-200);
    border-radius: var(--vpt-ui-radius-md);
    box-shadow: var(--vpt-ui-shadow-sm);
}

.vpt-table-scroll {
    position: relative;
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-color: var(--vpt-ui-neutral-300) transparent;
}

.vpt-table-scroll:focus-visible {
    outline: 3px solid rgba(1, 153, 252, 0.72);
    outline-offset: -3px;
}

.vpt-table-scroll-hint {
    display: none;
    padding: 8px 12px;
    color: var(--vpt-ui-neutral-600);
    background: var(--vpt-ui-neutral-100);
    border-bottom: 1px solid var(--vpt-ui-neutral-200);
    font-size: var(--vpt-ui-font-xs);
    font-weight: 600;
}

.vpt-table {
    width: 100%;
    margin-bottom: 0;
}

.vpt-table thead th {
    color: var(--vpt-ui-neutral-700);
    background: var(--vpt-ui-neutral-100);
    border-bottom: 1px solid var(--vpt-ui-neutral-200);
    font-size: 10.5px;
    font-weight: 800;
    letter-spacing: 0.035em;
    text-transform: uppercase;
    white-space: nowrap;
}

.vpt-table tbody td {
    vertical-align: middle;
    border-top-color: var(--vpt-ui-neutral-200);
}

.vpt-table tbody tr:hover {
    background: #f8fbff;
}

.vpt-table__actions {
    text-align: right;
    white-space: nowrap;
}

.vpt-row-actions {
    display: inline-flex;
    align-items: center;
    justify-content: flex-end;
    gap: 6px;
}

/* Pagination */

.vpt-table-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    flex-wrap: wrap;
    padding: 13px 15px;
    background: var(--vpt-ui-surface);
    border-top: 1px solid var(--vpt-ui-neutral-200);
}

.vpt-results-summary {
    color: var(--vpt-ui-neutral-600);
    font-size: 11.5px;
}

.vpt-pagination {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 4px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.vpt-pagination .page-link,
.vpt-pagination__link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 34px;
    min-height: 34px;
    padding: 6px 9px;
    color: var(--vpt-ui-neutral-700);
    background: var(--vpt-ui-surface);
    border: 1px solid var(--vpt-ui-neutral-300);
    border-radius: 6px;
    font-size: 11.5px;
    font-weight: 700;
}

.vpt-pagination .active .page-link,
.vpt-pagination__link.is-active {
    color: #fff;
    background: var(--vpt-ui-primary);
    border-color: var(--vpt-ui-primary);
}

.vpt-pagination .disabled .page-link,
.vpt-pagination__link.is-disabled {
    color: #9aa5b3;
    background: #f7f9fb;
    pointer-events: none;
}

/* Empty states */

.vpt-empty-state {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 190px;
    padding: 28px 20px;
    text-align: center;
}

.vpt-empty-state__content {
    max-width: 480px;
}

.vpt-empty-state__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    margin-bottom: 12px;
    color: var(--vpt-ui-primary);
    background: var(--vpt-ui-primary-soft);
    border-radius: 50%;
    font-size: 18px;
}

.vpt-empty-state h3 {
    margin: 0 0 6px;
    color: var(--vpt-ui-neutral-900);
    font-size: 16px;
    font-weight: 750;
}

.vpt-empty-state p {
    margin: 0;
    color: var(--vpt-ui-neutral-600);
    font-size: 12px;
    line-height: 1.55;
}

.vpt-empty-state__action {
    margin-top: 14px;
}

/* Form action footer */

.vpt-form-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 22px;
    padding-top: 16px;
    border-top: 1px solid var(--vpt-ui-neutral-200);
}

.vpt-form-actions__primary,
.vpt-form-actions__secondary {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

/* Responsive behavior */

@media only screen and (max-width: 1199px) {
    .vpt-filter-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .vpt-filter-actions {
        grid-column: 1 / -1;
    }
}

@media only screen and (max-width: 991px) {
    .vpt-table-scroll-hint {
        display: block;
    }
}

@media only screen and (max-width: 767px) {
    .vpt-page-header {
        flex-direction: column;
        align-items: stretch;
        gap: 14px;
    }

    .vpt-page-header__title {
        font-size: 23px;
    }

    .vpt-page-header__actions,
    .vpt-action-group,
    .vpt-workflow-actions {
        justify-content: flex-start;
    }

    .vpt-filter-grid {
        grid-template-columns: 1fr;
    }

    .vpt-filter-actions {
        grid-column: auto;
    }

    .vpt-table-footer {
        align-items: flex-start;
        flex-direction: column;
    }

    .vpt-pagination {
        justify-content: flex-start;
        max-width: 100%;
        overflow-x: auto;
        padding-bottom: 2px;
    }

    .vpt-form-actions {
        align-items: stretch;
        flex-direction: column-reverse;
    }

    .vpt-form-actions__primary,
    .vpt-form-actions__secondary {
        width: 100%;
    }

    .vpt-field--4,
    .vpt-field--6,
    .vpt-field--8 {
        grid-column: span 12;
    }

    .vpt-section__header {
        align-items: stretch;
        flex-direction: column;
    }

    .vpt-section__body {
        padding: var(--vpt-ui-space-4);
    }

}

@media only screen and (max-width: 575px) {
    .vpt-page-header__actions,
    .vpt-action-group,
    .vpt-filter-actions,
    .vpt-form-actions__primary,
    .vpt-form-actions__secondary {
        align-items: stretch;
        flex-direction: column;
    }

    .vpt-page-header__actions .vpt-btn,
    .vpt-action-group .vpt-btn,
    .vpt-filter-actions .vpt-btn,
    .vpt-form-actions .vpt-btn {
        width: 100%;
    }

    .vpt-workflow-actions {
        align-items: stretch;
        flex-direction: column;
    }

    .vpt-workflow-actions .vpt-btn {
        width: 100%;
    }

    .vpt-btn {
        min-height: var(--vpt-ui-touch-target);
    }

    .vpt-btn--compact {
        min-height: var(--vpt-ui-touch-target);
    }
}

@media (prefers-reduced-motion: reduce) {
    .vpt-btn,
    .vpt-btn:hover {
        transition-duration: 0.01ms;
        transform: none;
    }
}

/* Phase 5B pilot extensions */

.vpt-btn--compact {
    min-height: 30px;
    padding: 5px 9px;
    font-size: 10.5px;
}

.vpt-inline-form {
    display: inline-flex;
    margin: 0;
}

.vpt-filter-grid--compact {
    grid-template-columns: minmax(180px, 280px) auto;
    justify-content: start;
}

.vpt-detail-list {
    margin-bottom: 0;
}

.vpt-detail-list dt,
.vpt-detail-list dd {
    margin-bottom: 0;
    padding-top: 11px;
    padding-bottom: 11px;
    border-bottom: 1px solid var(--vpt-ui-neutral-200);
}

.vpt-detail-list dt {
    color: var(--vpt-ui-neutral-700);
    font-weight: 750;
}

.vpt-detail-list dd {
    color: var(--vpt-ui-neutral-900);
}

.vpt-detail-list dt:last-of-type,
.vpt-detail-list dd:last-of-type {
    border-bottom: 0;
}

.vpt-table-shell .pagination {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    margin: 0;
}

.vpt-table-shell .pagination .page-item {
    margin: 0;
}

.vpt-table-shell .pagination .page-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 34px;
    min-height: 34px;
    padding: 6px 9px;
    color: var(--vpt-ui-neutral-700);
    background: var(--vpt-ui-surface);
    border: 1px solid var(--vpt-ui-neutral-300);
    border-radius: 6px;
    font-size: 11.5px;
    font-weight: 700;
}

.vpt-table-shell .pagination .active .page-link {
    color: #fff;
    background: var(--vpt-ui-primary);
    border-color: var(--vpt-ui-primary);
}

.vpt-table-shell .pagination .disabled .page-link {
    color: #9aa5b3;
    background: #f7f9fb;
    pointer-events: none;
}

.vpt-row-actions form {
    display: inline-flex;
    margin: 0;
}

@media only screen and (max-width: 767px) {
    .vpt-filter-grid--compact {
        grid-template-columns: 1fr;
    }

    .vpt-row-actions {
        justify-content: flex-start;
        flex-wrap: wrap;
    }

    .vpt-detail-list dt {
        padding-bottom: 3px;
        border-bottom: 0;
    }

    .vpt-detail-list dd {
        padding-top: 3px;
    }
}

/* Phase 5B Production Route polish */

.vpt-filter-grid--production-route {
    grid-template-columns: minmax(280px, 2fr) minmax(180px, 0.8fr) auto;
    align-items: end;
}

.vpt-filter-actions--production-route {
    align-items: stretch;
    flex-wrap: nowrap;
}

.vpt-filter-actions--production-route .vpt-btn {
    min-width: 92px;
    min-height: 38px;
}

.vpt-row-actions .vpt-btn--compact {
    min-width: 74px;
}

.vpt-row-actions .vpt-btn--compact i {
    margin-right: 5px;
}

.route-step {
    max-width: 100%;
}

.route-step > .d-flex {
    min-width: 0;
    flex-wrap: wrap;
    gap: var(--vpt-ui-space-2);
}

.route-step > .row {
    margin-right: 0;
    margin-left: 0;
}

.route-step > .row > [class*="col-"] {
    min-width: 0;
    padding-right: 0;
    padding-left: 0;
}

.route-step > .row > [class*="col-"] + [class*="col-"] {
    margin-top: var(--vpt-ui-space-3);
}

.vpt-danger-zone__body > div {
    min-width: 0;
    overflow-wrap: anywhere;
}

@media only screen and (max-width: 991px) {
    .vpt-filter-grid--production-route {
        grid-template-columns: minmax(0, 1fr) minmax(180px, 0.6fr);
    }

    .vpt-filter-actions--production-route {
        grid-column: 1 / -1;
    }
}

@media only screen and (max-width: 575px) {
    .vpt-filter-grid--production-route {
        grid-template-columns: 1fr;
    }

    .vpt-filter-actions--production-route {
        grid-column: auto;
        flex-direction: column;
    }

    .vpt-filter-actions--production-route .vpt-btn {
        width: 100%;
    }

    .vpt-row-actions .vpt-btn--compact {
        min-width: 0;
        flex: 1 1 120px;
    }
}

@media only screen and (min-width: 992px) {
    .route-step > .row {
        margin-right: -15px;
        margin-left: -15px;
    }

    .route-step > .row > [class*="col-"] {
        padding-right: 15px;
        padding-left: 15px;
    }

    .route-step > .row > [class*="col-"] + [class*="col-"] {
        margin-top: 0;
    }
}

/* Phase 5C operational index pilot */

.vpt-operational-card > .header.vpt-page-header {
    margin: 0;
    padding: 18px 20px;
    border-bottom: 1px solid var(--vpt-ui-neutral-200);
    border-radius: 0;
    box-shadow: none;
}

.vpt-action-list {
    margin: 0;
    padding: 0;
    list-style: none;
}

.vpt-action-list > li {
    display: inline-flex;
    margin: 0;
}

.vpt-filter-grid--four {
    grid-template-columns: minmax(250px, 1.6fr) repeat(3, minmax(150px, 0.8fr)) auto;
}

.vpt-filter-grid--three {
    grid-template-columns: minmax(280px, 1.5fr) repeat(2, minmax(170px, 0.8fr)) auto;
}

.vpt-operational-card .vpt-filter-panel {
    margin: 0 0 18px;
}

.vpt-operational-card .vpt-table-scroll {
    border: 1px solid var(--vpt-ui-neutral-200);
    border-radius: var(--vpt-ui-radius-md);
}

.vpt-row-actions-cell .vpt-btn + .vpt-btn {
    margin-left: 5px;
}

.vpt-operational-empty-cell {
    padding: 36px 18px !important;
    color: var(--vpt-ui-neutral-600);
    text-align: center;
}

.vpt-status--warning {
    color: #7a4a00;
    background: #fff2d6;
    border-color: #f4d08b;
}

.vpt-status--danger {
    color: #a52727;
    background: #fde8e8;
    border-color: #f4bcbc;
}

@media only screen and (max-width: 1199px) {
    .vpt-filter-grid--four,
    .vpt-filter-grid--three {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .vpt-filter-grid--four .vpt-filter-actions,
    .vpt-filter-grid--three .vpt-filter-actions {
        grid-column: 1 / -1;
    }
}

@media only screen and (max-width: 767px) {
    .vpt-filter-grid--four,
    .vpt-filter-grid--three {
        grid-template-columns: 1fr;
    }

    .vpt-filter-grid--four .vpt-filter-actions,
    .vpt-filter-grid--three .vpt-filter-actions {
        grid-column: auto;
    }

    .vpt-operational-card > .header.vpt-page-header {
        padding: 16px;
    }
}
/* Phase 18B-3: Master Data compatibility layer */
.vpt-master-page {
    margin-right: 0;
    margin-left: 0;
}

.vpt-master-page > [class*="col-"] {
    padding-right: 0;
    padding-left: 0;
}

.vpt-master-page > .col-md-12 > .card,
.vpt-master-page > .col-lg-12 > .card {
    overflow: visible;
    border: 1px solid var(--vpt-border);
    border-radius: var(--vpt-radius-lg);
    box-shadow: var(--vpt-shadow-sm);
}

.vpt-master-page .card > .header {
    display: flex;
    min-height: 76px;
    align-items: center;
    justify-content: space-between;
    padding: var(--vpt-space-5) var(--vpt-space-6);
    border-bottom: 1px solid var(--vpt-border);
}

.vpt-master-page .card > .header h2 {
    position: static !important;
    display: block !important;
    width: auto !important;
    margin: 0;
    color: var(--vpt-text);
    font-size: var(--vpt-font-size-xl);
    font-weight: 700;
    line-height: 1.25;
}

.vpt-master-page .card > .header h2 small {
    display: block;
    margin-top: var(--vpt-space-1);
    color: var(--vpt-text-muted) !important;
    font-size: var(--vpt-font-size-sm);
    font-weight: 400;
}

.vpt-master-page .card > .body {
    padding: var(--vpt-space-6);
}

.vpt-master-page .header-dropdown {
    position: static !important;
    margin: 0;
    padding: 0 !important;
    border: 0 !important;
    background: transparent !important;
    box-shadow: none !important;
}

.vpt-master-page .header-dropdown > li,
.vpt-master-page .header-dropdown > li.dropdown {
    margin: 0 !important;
    padding: 0 !important;
    border: 0 !important;
    background: transparent !important;
    box-shadow: none !important;
    list-style: none;
}

.vpt-master-page .header-dropdown > li.dropdown > .dropdown-toggle {
    display: none;
}

.vpt-master-page .header-dropdown .dropdown-menu {
    position: static !important;
    display: block !important;
    min-width: 0;
    margin: 0;
    padding: 0;
    border: 0;
    background: transparent !important;
    box-shadow: none !important;
    transform: none !important;
}

.vpt-master-page .card > .header ul.header-dropdown,
.vpt-master-page .card > .header ul.header-dropdown > li.dropdown,
.vpt-master-page .card > .header ul.header-dropdown ul.dropdown-menu {
    padding: 0 !important;
    border: 0 !important;
    border-radius: 0 !important;
    background: transparent !important;
    box-shadow: none !important;
}

.vpt-master-page .header-dropdown .dropdown-menu > li > a,
.vpt-master-page .header-dropdown > li > a.btn {
    display: inline-flex;
    min-height: var(--vpt-control-height);
    align-items: center;
    padding: 0 var(--vpt-space-4);
    color: #fff !important;
    background: var(--vpt-primary);
    border: 1px solid var(--vpt-primary);
    border-radius: var(--vpt-radius-md);
    font-size: var(--vpt-font-size-sm);
    font-weight: 700;
    line-height: 1;
    text-decoration: none;
}

.vpt-master-page .header-dropdown .dropdown-menu > li > a::before {
    margin-right: var(--vpt-space-2);
    content: "+";
    font-size: 18px;
    font-weight: 500;
}

.vpt-master-page form.mb-3,
.vpt-master-page .row.mb-3,
.vpt-master-page .form-row.mb-3 {
    margin-bottom: var(--vpt-space-5) !important;
    padding: var(--vpt-space-4);
    background: var(--vpt-surface-subtle);
    border: 1px solid var(--vpt-border);
    border-radius: var(--vpt-radius-md);
}

.vpt-master-page label {
    color: var(--vpt-text);
    font-size: var(--vpt-font-size-sm);
    font-weight: 650;
}

.vpt-master-page .form-control {
    min-height: var(--vpt-control-height);
    border-color: var(--vpt-border-strong);
    border-radius: var(--vpt-radius-md);
}

.vpt-master-page textarea.form-control {
    min-height: 88px;
}

.vpt-master-page .table-responsive {
    position: relative;
    overflow-x: auto;
    border: 1px solid var(--vpt-border);
    border-radius: var(--vpt-radius-md);
    scrollbar-gutter: stable;
}

.vpt-master-page .table {
    min-width: 680px;
    margin-bottom: 0;
    color: var(--vpt-text);
}

.vpt-master-page .table thead th {
    padding: 12px;
    color: var(--vpt-text);
    background: var(--vpt-surface-subtle);
    border-top: 0;
    border-bottom: 1px solid var(--vpt-border-strong);
    font-size: var(--vpt-font-size-xs);
    font-weight: 750;
    letter-spacing: .02em;
    white-space: nowrap;
}

.vpt-master-page .table tbody td {
    padding: 12px;
    border-top-color: var(--vpt-border);
    vertical-align: middle;
}

.vpt-master-page .table td form,
.vpt-master-page .table td form.d-inline {
    display: inline-flex !important;
    margin: 2px 3px 2px 0;
}

.vpt-master-page .table td:last-child {
    min-width: 220px;
}

.vpt-master-page .table td:last-child .btn,
.vpt-master-page .table td:last-child button {
    min-height: var(--vpt-control-height-sm);
    margin: 2px 3px 2px 0 !important;
    padding: 0 10px;
    border-radius: var(--vpt-radius-sm);
    font-size: var(--vpt-font-size-xs);
    font-weight: 700;
    line-height: calc(var(--vpt-control-height-sm) - 2px);
}

.vpt-master-page .table .btn-info {
    color: var(--vpt-primary);
    background: #fff;
    border-color: var(--vpt-primary);
}

.vpt-master-page .table .btn-warning {
    color: #7a4a00;
    background: var(--vpt-warning-soft);
    border-color: #d99a19;
}

.vpt-master-page .table .btn-danger {
    color: var(--vpt-danger);
    background: var(--vpt-danger-soft);
    border-color: #dc7b86;
}

.vpt-master-page .table .btn-success {
    color: #176b43;
    background: var(--vpt-success-soft);
    border-color: #63b58b;
}

.vpt-master-page .badge {
    padding: 5px 9px;
    border-radius: 999px;
    font-size: 10px;
    font-weight: 750;
    letter-spacing: .02em;
}

.vpt-master-page .badge-success {
    color: #176b43;
    background: var(--vpt-success-soft);
    border: 1px solid #8bc9a9;
}

.vpt-master-page .badge-secondary {
    color: #556273;
    background: var(--vpt-neutral-soft);
    border: 1px solid var(--vpt-border-strong);
}

.vpt-master-page .card > .body > form > .row:last-child,
.vpt-master-page .card > .body > form > .form-group:last-child {
    margin-top: var(--vpt-space-6);
}

.vpt-master-page .alert-danger ul {
    margin-bottom: 0;
}

@media (max-width: 991.98px) {
    .vpt-master-page .table-responsive::before {
        position: sticky;
        left: 0;
        display: block;
        padding: 8px 12px;
        content: "Scroll horizontally to see all columns";
        color: var(--vpt-text-muted);
        background: var(--vpt-surface-subtle);
        border-bottom: 1px solid var(--vpt-border);
        font-size: var(--vpt-font-size-xs);
    }
}

@media (max-width: 767.98px) {
    .vpt-master-page .card > .header {
        height: auto !important;
        min-height: 0;
        align-items: flex-start;
        flex-direction: column;
        gap: var(--vpt-space-4);
        overflow: visible !important;
        padding: var(--vpt-space-5);
    }

    .vpt-master-page .card > .header .header-dropdown,
    .vpt-master-page .card > .header .header-dropdown > li,
    .vpt-master-page .header-dropdown .dropdown-menu,
    .vpt-master-page .header-dropdown .dropdown-menu > li,
    .vpt-master-page .header-dropdown .dropdown-menu > li > a,
    .vpt-master-page .header-dropdown > li > a.btn {
        width: 100%;
    }

    .vpt-master-page .header-dropdown .dropdown-menu > li > a,
    .vpt-master-page .header-dropdown > li > a.btn {
        justify-content: center;
    }

    .vpt-master-page .card > .body {
        padding: var(--vpt-space-4);
    }

    .vpt-master-page .form-row > [class*="col-"],
    .vpt-master-page form .row > [class*="col-"] {
        margin-bottom: var(--vpt-space-3);
    }
}

/* Phase 18B-4 operational register compatibility layer. */
.vpt-operational-register {
    --vpt-register-min-table-width: 760px;
}

.vpt-operational-register > .col-md-12 > .card,
.vpt-operational-register .card {
    border: 1px solid var(--vpt-border);
    border-radius: var(--vpt-radius-lg);
    box-shadow: var(--vpt-shadow-sm);
}

.vpt-operational-register .card > .header {
    display: flex;
    min-height: 72px;
    align-items: center;
    justify-content: space-between;
    gap: var(--vpt-space-4);
    padding: var(--vpt-space-5) var(--vpt-space-6);
    background: var(--vpt-surface);
    border-bottom: 1px solid var(--vpt-border);
}

.vpt-operational-register .card > .header h2 {
    position: static !important;
    display: block !important;
    width: auto !important;
    float: none !important;
    margin: 0;
    color: var(--vpt-text);
    font-size: var(--vpt-font-size-xl);
    font-weight: 750;
    line-height: 1.25;
}

.vpt-operational-register .card > .header h2 small {
    display: block;
    margin-top: 4px;
    font-size: var(--vpt-font-size-sm);
    font-weight: 500;
}

.vpt-operational-register .header-dropdown {
    position: static !important;
    top: auto !important;
    right: auto !important;
    display: flex;
    flex-wrap: wrap;
    gap: var(--vpt-space-2);
    margin: 0;
    padding: 0;
    list-style: none;
}

.vpt-operational-register .header-dropdown a.btn,
.vpt-operational-register .header-dropdown .dropdown-menu > li > a {
    display: inline-flex;
    min-height: var(--vpt-control-height);
    align-items: center;
    padding: 0 var(--vpt-space-4);
    border-radius: var(--vpt-radius-md);
    font-size: var(--vpt-font-size-sm);
    font-weight: 700;
}

.vpt-operational-register .card > .body {
    padding: var(--vpt-space-6);
}

.vpt-operational-register .card > .body > form.mb-3,
.vpt-operational-register .card > .body > form.row.mb-3,
.vpt-operational-register .card > .body > .form-row.mb-3 {
    margin-bottom: var(--vpt-space-5) !important;
    padding: var(--vpt-space-4);
    background: var(--vpt-surface-subtle);
    border: 1px solid var(--vpt-border);
    border-radius: var(--vpt-radius-md);
}

.vpt-operational-register .table-responsive {
    position: relative;
    overflow-x: auto;
    border: 1px solid var(--vpt-border);
    border-radius: var(--vpt-radius-md);
    scrollbar-gutter: stable;
}

.vpt-operational-register .table {
    min-width: var(--vpt-register-min-table-width);
    margin-bottom: 0;
    color: var(--vpt-text);
}

.vpt-operational-register .table thead th {
    padding: 12px;
    color: var(--vpt-text);
    background: var(--vpt-surface-subtle);
    border-top: 0;
    border-bottom: 1px solid var(--vpt-border-strong);
    font-size: var(--vpt-font-size-xs);
    font-weight: 750;
    letter-spacing: .02em;
    white-space: nowrap;
}

.vpt-operational-register .table tbody td {
    padding: 12px;
    border-top-color: var(--vpt-border);
    vertical-align: middle;
}

.vpt-operational-register .table td:last-child {
    min-width: 180px;
    white-space: nowrap;
}

.vpt-operational-register .table td:last-child .btn,
.vpt-operational-register .table td:last-child button {
    min-height: var(--vpt-control-height-sm);
    margin: 2px 3px 2px 0 !important;
    padding: 0 10px;
    border-radius: var(--vpt-radius-sm);
    font-size: var(--vpt-font-size-xs);
    font-weight: 700;
}

.vpt-operational-register .badge {
    padding: 5px 9px;
    border-radius: 999px;
    font-size: 10px;
    font-weight: 750;
    letter-spacing: .02em;
}

@media (max-width: 991.98px) {
    .vpt-operational-register .table-responsive::before {
        display: block;
        padding: 8px 12px;
        content: "Scroll horizontally to see all columns";
        color: var(--vpt-text-muted);
        background: var(--vpt-surface-subtle);
        border-bottom: 1px solid var(--vpt-border);
        font-size: var(--vpt-font-size-xs);
    }
}

@media (max-width: 767.98px) {
    .vpt-operational-register .card > .header {
        height: auto !important;
        min-height: 0;
        align-items: flex-start;
        flex-direction: column;
        padding: var(--vpt-space-5);
        overflow: visible !important;
    }

    .vpt-operational-register .card > .header h2 { order: 0; }
    .vpt-operational-register .card > .header .header-dropdown { order: 1; }

    .vpt-operational-register .header-dropdown,
    .vpt-operational-register .header-dropdown > li,
    .vpt-operational-register .header-dropdown a.btn {
        width: 100%;
    }

    .vpt-operational-register .header-dropdown a.btn {
        justify-content: center;
    }

    .vpt-operational-register .card > .body {
        padding: var(--vpt-space-4);
    }

    .vpt-operational-register .form-row > [class*="col-"],
    .vpt-operational-register form.row > [class*="col-"] {
        margin-bottom: var(--vpt-space-3);
    }
}

/* === VPT UI SYSTEM STABILIZATION FOUNDATION START === */

/*
 * Final shared UI contract.
 *
 * Long registers opt into .vpt-data-grid explicitly.
 * Ordinary detail/form tables must not receive bounded vertical scrolling.
 */

:root {
    --vpt-ui-data-grid-min-height: 360px;
    --vpt-ui-data-grid-preferred-height: 58vh;
    --vpt-ui-data-grid-max-height: 680px;
}

/*
 * Enterprise application actions should remain spatially stable.
 * Hover feedback is communicated through color/border state rather
 * than physically moving the control.
 */
.vpt-btn:hover {
    transform: none;
}

/*
 * Long register / index dataset viewport.
 *
 * Add .vpt-data-grid to either:
 *   .vpt-table-scroll
 * or
 *   .table-responsive
 *
 * The page header, filters and pagination remain outside this viewport.
 */
.vpt-data-grid {
    position: relative;
    isolation: isolate;
    width: 100%;
    max-width: 100%;
    max-height: clamp(
        var(--vpt-ui-data-grid-min-height),
        var(--vpt-ui-data-grid-preferred-height),
        var(--vpt-ui-data-grid-max-height)
    );
    overflow: auto;
    overscroll-behavior: contain;
    scrollbar-gutter: stable;
    -webkit-overflow-scrolling: touch;
}

/*
 * Column meaning remains visible while browsing long datasets.
 * An opaque background prevents row content bleeding through.
 */
.vpt-data-grid table thead th {
    position: sticky;
    top: 0;
    z-index: 10;
    background: var(--vpt-ui-neutral-100);
    background-clip: border-box;
    box-shadow:
        0 -3px 0 var(--vpt-ui-neutral-100),
        0 1px 0 var(--vpt-ui-neutral-300);
}

/*
 * Accessible keyboard focus for a scrollable dataset.
 */
.vpt-data-grid:focus-visible {
    outline: 3px solid rgba(1, 153, 252, 0.72);
    outline-offset: -3px;
}

/*
 * Mobile uses natural document scrolling vertically.
 * The table may still scroll horizontally when columns exceed the viewport.
 * This avoids an awkward scroll-inside-scroll interaction on short screens.
 */
@media only screen and (max-width: 767.98px) {
    .vpt-data-grid {
        max-height: none;
        overscroll-behavior: auto;
    }

    .vpt-data-grid table thead th {
        position: static;
        box-shadow: none;
    }
}

/* === VPT UI SYSTEM STABILIZATION FOUNDATION END === */

/* === VPT GLOBAL UI MIGRATION CONTRACT START === */

/*
 * Final semantic screen-UI bridge.
 * Legacy Bootstrap classes remain temporarily for behaviour/layout hooks;
 * VPT semantic classes own appearance.
 */

.vpt-btn {
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    font-size: 13px !important;
    line-height: 1.2 !important;
}

.vpt-btn--compact {
    min-height: 30px;
    padding: 5px 9px;
    font-size: 12px !important;
}

.vpt-table thead th {
    font-size: 12.5px;
}

.vpt-btn.vpt-btn--info {
    color: var(--vpt-ui-info) !important;
    background: var(--vpt-ui-surface) !important;
    border-color: var(--vpt-ui-info) !important;
}

.vpt-btn.vpt-btn--info:hover,
.vpt-btn.vpt-btn--info:focus {
    color: #095b8b !important;
    background: #eef7fd !important;
    border-color: #095b8b !important;
}

.vpt-btn.vpt-btn--primary {
    color: #fff !important;
    background: var(--vpt-ui-primary) !important;
    border-color: var(--vpt-ui-primary) !important;
}

.vpt-btn.vpt-btn--success {
    color: #fff !important;
    background: var(--vpt-ui-success) !important;
    border-color: var(--vpt-ui-success) !important;
}

.vpt-btn.vpt-btn--warning {
    color: #fff !important;
    background: var(--vpt-ui-warning) !important;
    border-color: var(--vpt-ui-warning) !important;
}

.vpt-btn.vpt-btn--danger {
    color: #fff !important;
    background: var(--vpt-ui-danger) !important;
    border-color: var(--vpt-ui-danger) !important;
}

.vpt-btn.vpt-btn--neutral {
    color: var(--vpt-ui-neutral-700) !important;
    background: var(--vpt-ui-surface) !important;
    border-color: var(--vpt-ui-neutral-300) !important;
}

.vpt-btn.vpt-btn--ghost {
    color: var(--vpt-ui-primary) !important;
    background: transparent !important;
    border-color: transparent !important;
}


/* Visual stabilization: dense registers, aligned row actions, activity feed. */

.vpt-data-grid .vpt-table {
    font-size: 13px;
    line-height: 1.35;
}

.vpt-data-grid .vpt-table thead th {
    font-size: 12.5px;
}

.vpt-row-actions {
    display: inline-flex;
    align-items: center;
    justify-content: flex-end;
    flex-wrap: wrap;
    gap: 6px;
}

.vpt-row-actions form {
    display: inline-flex;
    align-items: center;
    margin: 0 !important;
}

.vpt-row-actions .vpt-btn,
.vpt-row-actions .btn {
    margin: 0 !important;
    vertical-align: middle;
}

.vpt-row-actions .vpt-btn--compact {
    min-width: 0;
    min-height: 30px;
    padding: 5px 9px;
    font-size: 12px !important;
    line-height: 1.2 !important;
}

.vpt-row-actions-cell {
    vertical-align: middle !important;
}

.vpt-activity-feed {
    max-height: clamp(280px, 38vh, 420px);
    overflow-y: auto;
    overscroll-behavior: contain;
    scrollbar-gutter: stable;
    padding-right: 8px;
}

.vpt-activity-feed:focus-visible {
    outline: 3px solid rgba(1, 153, 252, 0.72);
    outline-offset: 2px;
}

@media only screen and (max-width: 767.98px) {
    .vpt-row-actions {
        justify-content: flex-start;
    }

    .vpt-row-actions .vpt-btn--compact {
        min-height: 40px;
    }

    .vpt-activity-feed {
        max-height: none;
        overflow-y: visible;
        padding-right: 0;
    }
}

/* === VPT GLOBAL UI MIGRATION CONTRACT END === */

/* Audit/event semantics use the same visual status primitive. */
.vpt-status--created,
.vpt-status--restored {
    color: #11633c;
    background: var(--vpt-ui-success-soft);
    border-color: #b9e2cd;
}

.vpt-status--updated {
    color: #0752a6;
    background: var(--vpt-ui-primary-soft);
    border-color: #c8dfff;
}

.vpt-status--deleted {
    color: #9c2828;
    background: var(--vpt-ui-danger-soft);
    border-color: #efc0c0;
}


/* === UAT-006 OPERATIONAL COLLAPSE CONTRACT START === */
.vpt-operational-detail .collapse:not(.show) {
    display: none !important;
}
/* === UAT-006 OPERATIONAL COLLAPSE CONTRACT END === */