/* Opt-in components: legacy pages are unaffected until they use admin-theme. */
body.admin-theme {
    margin: 0;
    padding: var(--admin-space);
    background: var(--admin-page-bg);
    color: var(--admin-text);
    font: var(--admin-font-size)/1.5 var(--admin-font-family);
}
.admin-theme .admin-panel {
    padding: calc(var(--admin-space) * 1.5);
    background: var(--admin-surface);
    border: 1px solid var(--admin-border);
    border-radius: var(--admin-radius);
    min-width: 0;
}
.admin-theme .admin-heading { margin-bottom: var(--admin-space); }
.admin-theme .admin-heading h1 { margin: 0; font-size: 1.6em; line-height: 1.4; }
.admin-theme .admin-toolbar {
    background: var(--admin-surface);
    color: var(--admin-text);
    padding: 0 0 var(--admin-space);
    border-bottom: 1px solid var(--admin-border);
    font-size: inherit;
    line-height: 2.7;
    overflow: visible;
}
.admin-theme .admin-toolbar .bk12 { color: var(--admin-primary); }
.admin-theme .admin-toolbar .sline { color: var(--admin-border); margin: 0 3px; }
.admin-theme .admin-toolbar a { display: inline-block; }
.admin-theme .admin-toolbar input,
.admin-theme .admin-toolbar select,
.admin-theme .admin-page-size select {
    box-sizing: border-box;
    max-width: 100%;
    padding: 6px 9px;
    border: 1px solid var(--admin-border);
    border-radius: var(--admin-control-radius);
    background: var(--admin-surface);
    color: var(--admin-text);
    font: inherit;
}
.admin-theme .admin-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    padding: var(--admin-space) 0;
}
.admin-theme .admin-page-size { margin-left: auto; color: var(--admin-muted); }
.admin-theme .admin-table-scroll {
    overflow-x: auto;
    max-width: 100%;
    border: 2px solid var(--admin-input-border);
    border-radius: var(--admin-control-radius);
    background: var(--admin-surface);
}
.admin-theme table.admin-table {
    width: 100%;
    border-collapse: collapse;
    border-spacing: 0;
    table-layout: auto;
    font-size: inherit;
    color: var(--admin-text);
}
.admin-theme .admin-table th,
.admin-theme .admin-table td {
    padding: var(--admin-cell-padding-y) var(--admin-cell-padding-x);
    height: auto;
    vertical-align: middle;
    border: 0;
    border-bottom: 1px solid var(--admin-table-grid-border);
    border-right: 1px solid var(--admin-table-grid-border);
    overflow-wrap: anywhere;
}
.admin-theme .admin-table th {
    color: var(--admin-text);
    background: var(--admin-table-head-bg);
    border-right-color: var(--admin-table-head-border);
    border-bottom-color: var(--admin-table-head-border);
    box-shadow: inset 0 -1px var(--admin-table-head-border);
    font-weight: 700;
    text-align: center;
    white-space: nowrap;
}
.admin-theme .admin-table tbody tr { background: var(--admin-surface); }
.admin-theme .admin-table tbody tr:where(:nth-child(even):not(.odd):not(.even)),
.admin-theme .admin-table tbody tr.odd { background: var(--admin-table-stripe-bg); }
.admin-theme .admin-table tbody tr:hover { background: var(--admin-table-hover-bg); }
.admin-theme .admin-table tbody tr.selected { background: var(--admin-selected-bg); }
.admin-theme .admin-table .sync-news,
.admin-theme .admin-table .sync-news a { color: var(--admin-sync-text); }
.admin-theme .admin-table .unconfirm-visible,
.admin-theme .admin-table .unconfirm-visible a { color: var(--admin-pending-text); }
.admin-theme .admin-table a { color: var(--admin-primary); }
.admin-theme .admin-table th a { color: inherit; }
.admin-theme .admin-table input[type="checkbox"] { accent-color: var(--admin-primary); }
.admin-theme .admin-pagination {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: flex-end;
    gap: 8px;
    padding-top: calc(var(--admin-space) * 1.5);
}
/* Button colors are shared by desktop and touch layouts. */
.admin-theme .admin-actions .btn,
.admin-theme .admin-pagination .btn {
    display: inline-block;
    padding: 0;
    margin: 0;
    border: 1px solid var(--admin-button-border);
    border-radius: var(--admin-control-radius);
    background: var(--admin-button-bg);
    box-shadow: var(--admin-button-shadow);
    font-size: inherit;
    font-weight: 600;
}
.admin-theme .admin-actions .btn a,
.admin-theme .admin-pagination .btn a {
    display: block;
    padding: 7px 12px;
    color: var(--admin-button-text);
    border-radius: inherit;
}
.admin-theme .admin-actions .btn:hover,
.admin-theme .admin-pagination .btn:hover { background: var(--admin-button-hover-bg); }
.admin-theme .admin-actions .btn:active,
.admin-theme .admin-pagination .btn:active { background: var(--admin-button-active-bg); box-shadow: none; }
.admin-theme .admin-actions .btn.delete { background: var(--admin-danger-bg); border-color: var(--admin-danger-border); }
.admin-theme .admin-actions .btn.delete a { color: var(--admin-danger-text); }
.admin-theme .admin-actions .btn.delete:hover { background: var(--admin-danger-hover-bg); }
.admin-theme .admin-actions .btn.delete:active { background: var(--admin-danger-active-bg); }
.admin-theme .admin-actions .btn.disablebtn,
.admin-theme .admin-pagination .btn.disablebtn {
    background: var(--admin-disabled-bg);
    border-color: var(--admin-border);
    box-shadow: none;
    cursor: default;
}
.admin-theme .admin-actions .btn.disablebtn a,
.admin-theme .admin-pagination .btn.disablebtn a { color: var(--admin-disabled-text); cursor: default; }
.admin-theme .admin-toolbar #option_add a {
    padding: 6px 12px;
    line-height: 1.5;
    border: 1px solid var(--admin-primary);
    border-radius: var(--admin-control-radius);
    background: var(--admin-primary);
    color: var(--admin-primary-button-text);
    font-weight: 600;
    box-shadow: var(--admin-button-shadow);
}
.admin-theme .admin-toolbar #option_add a:hover { background: var(--admin-primary-hover-bg); }
.admin-theme .admin-toolbar select,
.admin-theme .admin-page-size select,
.admin-theme .admin-toolbar .ui-multiselect {
    background: var(--admin-button-bg);
    border: 1px solid var(--admin-button-border);
    border-radius: var(--admin-control-radius);
    color: var(--admin-button-text);
}
.admin-theme a:focus-visible,
.admin-theme input:focus-visible,
.admin-theme select:focus-visible,
.admin-theme .admin-table-scroll:focus-visible {
    outline: 2px solid var(--admin-focus);
    outline-offset: 2px;
}
@media (max-width: 640px) {
    body.admin-theme { padding: calc(var(--admin-space) / 2); }
    .admin-theme .admin-panel { padding: var(--admin-space); }
    .admin-theme .admin-page-size { margin-left: 0; }
}

/* Compact binary switch used by legacy list actions such as approval state. */
.admin-theme .admin-audit-switch {
    position: relative;
    display: block;
    box-sizing: border-box;
    width: 46px;
    height: 24px;
    min-height: 24px;
    max-height: 24px;
    overflow: visible;
    border: 1px solid var(--admin-border);
    border-radius: 12px;
    background: var(--admin-muted) !important;
    box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.18);
    cursor: pointer;
    padding: 0;
}
.admin-theme .admin-audit-switch::after {
    position: absolute;
    top: -1px;
    left: -1px;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--admin-primary-button-text, #ffffff);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
    content: "";
}
.admin-theme .admin-audit-switch.confirm_off,
.admin-theme .admin-audit-switch.is-on {
    background: var(--admin-primary) !important;
}
.admin-theme .admin-audit-switch.confirm_off::after,
.admin-theme .admin-audit-switch.is-on::after {
    left: 23px;
}
.admin-theme .admin-audit-switch:focus-visible {
    outline: 2px solid var(--admin-focus);
    outline-offset: 2px;
}

/* Small screens retain the complete table contract inside one scroll region. */
.admin-theme .admin-scroll-hint { display: none; }
.admin-theme .admin-table-scroll { overscroll-behavior-x: contain; }
@media (max-width: 768px) {
    body.admin-theme { box-sizing: border-box; width: 100%; font-size: var(--admin-mobile-font-size); }
    .admin-theme .admin-panel { box-sizing: border-box; width: 100%; padding: var(--admin-space); }
    .admin-theme .admin-toolbar { line-height: 1.6; overflow-wrap: anywhere; }
    .admin-theme .admin-toolbar a {
        box-sizing: border-box;
        min-height: var(--admin-touch-size);
        padding: 10px 4px;
        vertical-align: middle;
    }
    .admin-theme .admin-toolbar input,
    .admin-theme .admin-toolbar select,
    .admin-theme .admin-page-size select {
        min-height: var(--admin-touch-size);
        font-size: var(--admin-mobile-font-size);
    }
    .admin-theme #option_search { display: block; margin-top: 8px; }
    .admin-theme #option_search input { display: block; width: 100%; min-width: 0; }
    .admin-theme .admin-toolbar .ui-multiselect {
        max-width: 100%;
        min-height: var(--admin-touch-size);
        white-space: normal;
        box-sizing: border-box;
    }
    .admin-theme .admin-page-size { width: 100%; margin: 4px 0 0; }
    .admin-theme .admin-actions .btn a,
    .admin-theme .admin-pagination .btn a {
        box-sizing: border-box;
        min-height: var(--admin-touch-size);
        padding: 10px 12px;
    }
    .admin-theme .admin-pagination { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .admin-theme .admin-scroll-hint { display: block; margin: 0 0 8px; color: var(--admin-muted); font-size: 0.875em; }
    .admin-theme .admin-table td { padding: 10px 12px; }
    .admin-theme .admin-table td a {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        min-width: var(--admin-touch-size);
        min-height: var(--admin-touch-size);
    }
    .admin-theme .admin-table th.sortable { min-width: 64px; height: var(--admin-touch-size); }
    .admin-theme .admin-table input[type="checkbox"] { width: 24px; height: 24px; margin: 10px; }
}

/* Shared toolbar actions and dropdown triggers, including the legacy multiselect. */
.admin-theme .admin-toolbar .sline { display: none; }
.admin-theme .admin-toolbar a.bk12 {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    box-sizing: border-box;
    min-height: var(--admin-touch-size);
    margin: 4px 4px 4px 0;
    padding: 8px 12px;
    border: 1px solid var(--admin-button-border);
    border-radius: var(--admin-control-radius);
    background: var(--admin-button-bg);
    color: var(--admin-button-text);
    box-shadow: var(--admin-button-shadow);
    font: inherit;
    font-weight: 600;
    line-height: 1.5;
    text-decoration: none;
    vertical-align: middle;
}
.admin-theme .admin-toolbar a.bk12:hover { background: var(--admin-button-hover-bg); }
.admin-theme .admin-toolbar a.bk12:active { background: var(--admin-button-active-bg); box-shadow: none; }
.admin-theme .admin-toolbar #option_add a { background: var(--admin-primary); color: var(--admin-primary-button-text); border-color: var(--admin-primary); }
.admin-theme .admin-toolbar #option_add a:hover { background: var(--admin-primary-hover-bg); }
.admin-theme .admin-toolbar select,
.admin-theme .admin-page-size select,
.admin-theme .admin-toolbar button.ui-multiselect {
    appearance: none;
    -webkit-appearance: none;
    box-sizing: border-box;
    max-width: 100%;
    min-height: var(--admin-touch-size);
    padding: 8px 36px 8px 12px;
    border: 1px solid var(--admin-button-border);
    border-radius: var(--admin-control-radius);
    background-color: var(--admin-button-bg);
    background-image: linear-gradient(45deg, transparent 50%, var(--admin-button-text) 50%), linear-gradient(135deg, var(--admin-button-text) 50%, transparent 50%);
    background-position: calc(100% - 18px) 50%, calc(100% - 12px) 50%;
    background-size: 6px 6px;
    background-repeat: no-repeat;
    color: var(--admin-button-text);
    box-shadow: var(--admin-button-shadow);
    font: inherit;
    font-weight: 600;
    line-height: 1.5;
    vertical-align: middle;
    white-space: normal;
    cursor: pointer;
}
.admin-theme .admin-toolbar button.ui-multiselect .ui-icon { display: none; }
.admin-theme .admin-toolbar select:hover,
.admin-theme .admin-page-size select:hover,
.admin-theme .admin-toolbar button.ui-multiselect:hover { background-color: var(--admin-button-hover-bg); }
.admin-theme .admin-toolbar button.ui-multiselect:focus-visible {
    outline: 2px solid var(--admin-focus);
    outline-offset: 2px;
}
.admin-theme .admin-toolbar select:disabled,
.admin-theme .admin-page-size select:disabled,
.admin-theme .admin-toolbar button.ui-multiselect:disabled {
    background-color: var(--admin-disabled-bg);
    color: var(--admin-disabled-text);
    box-shadow: none;
    cursor: default;
}
.admin-theme .ui-multiselect-menu {
    box-sizing: border-box;
    max-width: calc(100vw - 32px);
    padding: 8px;
    background: var(--admin-surface);
    border: 1px solid var(--admin-button-border);
    border-radius: var(--admin-control-radius);
    box-shadow: var(--admin-button-shadow);
    color: var(--admin-text);
    font: inherit;
}
.admin-theme .ui-multiselect-menu .ui-multiselect-header {
    padding: 8px;
    background: var(--admin-button-bg);
    border: 0;
    color: var(--admin-button-text);
}
.admin-theme .ui-multiselect-menu .ui-multiselect-header a { color: var(--admin-button-text); }
.admin-theme .ui-multiselect-menu .ui-multiselect-checkboxes label {
    box-sizing: border-box;
    min-height: var(--admin-touch-size);
    padding: 10px 8px;
    line-height: 1.5;
    border-radius: var(--admin-control-radius);
    white-space: normal;
}
.admin-theme .ui-multiselect-menu .ui-multiselect-checkboxes label.ui-state-hover {
    background: var(--admin-button-hover-bg);
    border-color: var(--admin-button-border);
    color: var(--admin-button-text);
}
.admin-theme .ui-multiselect-menu input[type="checkbox"] { accent-color: var(--admin-primary); }

/* Labels and controls wrap as a single unit in every toolbar. */
.admin-theme .admin-field-group,
.admin-theme #option_search {
    display: inline-flex;
    flex-wrap: nowrap;
    align-items: center;
    gap: 8px;
    max-width: 100%;
    min-width: 0;
    margin-top: 4px;
    margin-bottom: 4px;
    vertical-align: middle;
    line-height: 1.5;
}
.admin-theme .admin-field-group > label {
    flex: 0 0 auto;
    white-space: nowrap;
}
.admin-theme .admin-field-group > select,
.admin-theme .admin-field-group > button.ui-multiselect {
    min-width: 0;
    flex-shrink: 1;
}
.admin-theme #option_search input {
    display: inline-block;
    width: 28em;
    min-width: 0;
    min-height: var(--admin-touch-size);
    flex: 1 1 auto;
    padding: 8px 12px;
    background: var(--admin-input-bg);
    border: 2px solid var(--admin-input-border);
    box-shadow: var(--admin-input-shadow);
}
.admin-theme #option_search input::placeholder {
    color: var(--admin-input-placeholder);
    opacity: 1;
}
.admin-theme #option_search input:focus {
    background: var(--admin-surface);
    border-color: var(--admin-focus);
    outline: 2px solid var(--admin-focus);
    outline-offset: 2px;
}
@media (max-width: 640px) {
    .admin-theme #option_search { width: 100%; }
}


/* Compact action architecture. Native details/summary keeps menus keyboard accessible. */
.admin-theme .admin-toolbar-actions,
.admin-theme .admin-toolbar-filters {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
}
.admin-theme .admin-toolbar-actions { margin-bottom: 8px; }
.admin-theme .admin-action-menu { position: relative; }
.admin-theme .admin-action-menu-settings { margin-left: auto; }
.admin-theme .admin-action-menu > summary {
    display: inline-flex;
    align-items: center;
    box-sizing: border-box;
    min-height: var(--admin-touch-size);
    padding: 8px 38px 8px 12px;
    border: 1px solid var(--admin-button-border);
    border-radius: var(--admin-control-radius);
    background-color: var(--admin-button-bg);
    background-image: linear-gradient(45deg, transparent 50%, var(--admin-button-text) 50%), linear-gradient(135deg, var(--admin-button-text) 50%, transparent 50%);
    background-position: calc(100% - 18px) 50%, calc(100% - 12px) 50%;
    background-size: 6px 6px;
    background-repeat: no-repeat;
    color: var(--admin-button-text);
    box-shadow: var(--admin-button-shadow);
    font-weight: 600;
    line-height: 1.5;
    cursor: pointer;
    list-style: none;
}
.admin-theme .admin-action-menu > summary::-webkit-details-marker { display: none; }
.admin-theme .admin-action-menu > summary:hover { background-color: var(--admin-button-hover-bg); }
.admin-theme .admin-action-menu > summary:focus-visible { outline: 2px solid var(--admin-focus); outline-offset: 2px; }
.admin-theme .admin-action-menu[open] > summary { background-color: var(--admin-button-active-bg); }
.admin-theme .admin-action-menu-panel {
    position: absolute;
    top: calc(100% + 6px);
    left: 0;
    z-index: 40;
    display: grid;
    min-width: 190px;
    padding: 8px;
    border: 1px solid var(--admin-button-border);
    border-radius: var(--admin-control-radius);
    background: var(--admin-surface);
    box-shadow: var(--admin-overlay-shadow);
}
.admin-theme .admin-action-menu-settings .admin-action-menu-panel { right: 0; left: auto; }
.admin-theme .admin-action-menu-panel a.bk12 { width: 100%; margin: 0; justify-content: flex-start; border-color: transparent; background: transparent; box-shadow: none; }
.admin-theme .admin-action-menu-panel a.bk12:hover { background: var(--admin-button-hover-bg); }
@media (max-width: 640px) {
    .admin-theme .admin-toolbar-actions { display: grid; grid-template-columns: 1fr 1fr; }
    .admin-theme .admin-toolbar-actions #option_add,
    .admin-theme .admin-toolbar-actions #option_add a,
    .admin-theme .admin-action-menu,
    .admin-theme .admin-action-menu > summary { width: 100%; }
    .admin-theme .admin-action-menu-settings { margin-left: 0; }
    .admin-theme .admin-action-menu-panel { position: static; margin-top: 6px; min-width: 0; }
}

/* Grid lines stop at the frame; nested content tables keep their own layout. */
.admin-theme table.admin-table > thead > tr > :last-child,
.admin-theme table.admin-table > tbody > tr > :last-child {
    border-right: 0;
}

/* A single resize affordance for every simple backend list column. */
/* A low-specificity anchor also covers tables with no id/class. Existing
 * sticky-header rules retain precedence. */
:where(.admin-theme, .admin-list-only) table:where([data-admin-column-widths]) > thead > tr > th { position: relative; }
:is(.admin-theme, .admin-list-only) .admin-column-resizer {
    position: absolute;
    top: 0;
    right: 0;
    width: 10px;
    height: 100%;
    cursor: col-resize;
    touch-action: none;
    user-select: none;
    z-index: 4;
    border-right: 2px solid transparent;
    box-sizing: border-box;
}
:is(.admin-theme, .admin-list-only) .admin-column-resizer:focus-visible {
    outline: 2px solid var(--admin-focus);
    outline-offset: -2px;
}
:is(.admin-theme, .admin-list-only) table.admin-table > thead > tr > th { position: relative; }
:is(.admin-theme, .admin-list-only) table[data-admin-column-widths] > thead > tr > th,
:is(.admin-theme, .admin-list-only) table[data-admin-column-widths] > tbody > tr > td {
    box-sizing: border-box;
    min-width: 0 !important;
    max-width: none !important;
}
:is(.admin-theme, .admin-list-only) table[data-admin-column-widths] > tbody > tr > td {
    width: auto !important;
}

/* An unused legacy lock indicator must not look like a blank data column. */
:is(.admin-theme, .admin-list-only) table .admin-empty-lock-column { display: none !important; }

/* Checkbox, switch and action columns are controls, not resizable data. */
:is(.admin-theme, .admin-list-only) table > thead > tr > .admin-fixed-control-column,
:is(.admin-theme, .admin-list-only) table > tbody > tr > .admin-fixed-control-column {
    width: var(--admin-fixed-column-width) !important;
    min-width: var(--admin-fixed-column-width) !important;
    max-width: var(--admin-fixed-column-width) !important;
    box-sizing: border-box;
    padding-left: 8px;
    padding-right: 8px;
    overflow: visible;
    text-overflow: clip;
    white-space: nowrap;
    text-align: center;
}

/* Unframed six-dot grip, emphasized on hover or keyboard focus. */
:is(.admin-theme, .admin-list-only) .admin-column-resizer:not([hidden])::after {
    content: "";
    position: absolute;
    top: 50%;
    right: 1px;
    transform: translateY(-50%);
    width: 6px;
    height: 12px;
    color: var(--admin-muted);
    background-image: radial-gradient(currentColor 1px, transparent 1px);
    background-size: 3px 4px;
    opacity: 0.45;
    pointer-events: none;
}
:is(.admin-theme, .admin-list-only) .admin-column-resizer:hover::after,
:is(.admin-theme, .admin-list-only) .admin-column-resizer.is-resizing::after,
:is(.admin-theme, .admin-list-only) .admin-column-resizer:focus-visible::after {
    color: var(--admin-primary);
    opacity: 1;
}

/* List-only pages keep their own header colors and typography. */
.admin-list-only table[data-admin-column-widths] > thead > tr > th { position: relative; }