/**  * Make first row or thead element top sticky.  *  * Table classes:  * - sticky-header: sticky first row.  * - sticky-header-multi: sticky thead; headers moved via sortable + JavaScript.  *  * Tested:  * - Windows 10: (all skins) Chrome, Firefox, Edge.  * - Android Galaxy S21 (Minerva): Chrome, Firefox.  * - iPhone SE 2020 (Minerva): Chrome, Edge, Firefox, Opera, Safari.  * - Wikipedia Android app.  * - Print: Not styled.  * - No JavaScript.  *  * Notes:  * - Sortable moves to thead any header rows and (after sort) sorttop rows.  * - Sticky gadget (.mw-sticky-header) moves to thead any wikitable header rows.  *  * Issues:  * - Sticky in Timeless any width and other skins at <=639px width: tables wider  *   than content area overflow and horizontal table scroll lost.  * - Monobook <=550px width, can't override style:  *   body.skin--responsive .monobook-body {overflow: auto;}  */ @media screen and (min-width: 640px) {   /**    * Make top sticky.    */   .sticky-header > thead > tr:first-child,   .sticky-header > caption + tbody > tr:first-child,   .sticky-header > tbody:first-child > tr:first-child,   .sticky-header-multi > thead {     position: sticky; /* Was "static". */     top: 0;     z-index: 10;   }   /* Timeless overflowed tables not sticky. */   body.skin-timeless .content-table-wrapper.overflowed .sticky-header > thead > tr:first-child,   body.skin-timeless .content-table-wrapper.overflowed .sticky-header > caption + tbody > tr:first-child,   body.skin-timeless .content-table-wrapper.overflowed .sticky-header > tbody:first-child > tr:first-child,   body.skin-timeless .content-table-wrapper.overflowed .sticky-header-multi > thead {     position: static; /* Reset to prior. */   }    /**    * Fix scrolling data shows through sticky's transparent background.    */   /* Plain table headers. */   .sticky-header:not(.wikitable),   .sticky-header-multi:not(.wikitable) {     background-color: var(--color-inverted, #fff);   }   /* Plain table headers. */   .sticky-header:not(.wikitable) > *, /* For thead, tbody. */   .sticky-header:not(.wikitable) > thead > tr:first-child,   .sticky-header:not(.wikitable) > caption + tbody > tr:first-child,   .sticky-header:not(.wikitable) > tbody:first-child > tr:first-child,   .sticky-header-multi:not(.wikitable) > thead,   /* Wikitable and plain table .sorttop rows after sort. */   .sticky-header-multi > thead {     background-color: inherit;   }    /**    * Fix missing borders due to sticky position and wikitable collapsed borders.    * https://bugs.webkit.org/show_bug.cgi?id=128486    *    * Skip rare plain table separated borders, which sometimes shows scrolling    * data through sticky's 2px "border-spacing".    *    * Skip very rare Timeless plain table ".mw-datatable" collapsed boarders.    */   .sticky-header.wikitable,   .sticky-header-multi.wikitable {     border-collapse: separate; /* Was "collapse". */     border-spacing: 0;     border-width: 0 1px 1px 0;   }   .sticky-header.wikitable td,   .sticky-header.wikitable th,   .sticky-header-multi.wikitable td,   .sticky-header-multi.wikitable th {     border-width: 1px 0 0 1px;   }   body.skin-timeless .content-table-wrapper:not(.overflowed) .sticky-header.wikitable,   body.skin-timeless .content-table-wrapper:not(.overflowed) .sticky-header-multi.wikitable {     border-bottom-width: 0.2em;     padding: 0;   }   /* Adjust  borders. */   .sticky-header.static-row-numbers.wikitable tr::before,   .sticky-header-multi.static-row-numbers.wikitable tr::before {     border-left-width: 1px;   }   .sticky-header.static-row-numbers.wikitable > thead > tr:first-child::before,   .sticky-header.static-row-numbers.wikitable > caption + tbody > tr:first-child::before,   .sticky-header.static-row-numbers.wikitable > tbody:first-child > tr:first-child::before,   .sticky-header-multi.static-row-numbers.wikitable > thead > tr:first-child::before,   .sticky-header-multi.static-row-numbers.wikitable > caption + tbody > tr:first-child::before,   .sticky-header-multi.static-row-numbers.wikitable > tbody:first-child > tr:first-child::before,   /* Sortbotton #1: all. When supported, consolidate #1-2 to tr:nth-child(1 of .sortbottom)::before */   .sticky-header.static-row-numbers.wikitable .sortbottom::before,   .sticky-header-multi.static-row-numbers.wikitable .sortbottom::before {     border-top-width: 1px;   }   /* Sortbottom #2: all minus 1st. */   .sticky-header.static-row-numbers.wikitable .sortbottom ~ .sortbottom::before,   .sticky-header-multi.static-row-numbers.wikitable .sortbottom ~ .sortbottom::before {     border-top-width: 0;   }   /* After sort, "tbody:first-of-type" targets "tbody>tr:first-child". */   .sticky-header.static-row-numbers.wikitable > tbody:first-of-type > tr:not(.static-row-header)::before,   .sticky-header-multi.static-row-numbers.wikitable > tbody:first-of-type > tr:not(.static-row-header)::before {     border-bottom-width: 0;     border-right-width: 0;   }   /* Timeless overflowed tables not sticky. */   body.skin-timeless .content-table-wrapper.overflowed .sticky-header.wikitable,   body.skin-timeless .content-table-wrapper.overflowed .sticky-header-multi.wikitable {     border-collapse: collapse; /* Reset to prior. */     border-width: 1px; /* Reset to prior. */   } }  /**  * Adjust to other sticky elements.  */ @media screen and (min-width: 1120px) {   /* Vector (2022) width >=1120px: Below sticky header bar. */   body.vector-sticky-header-visible .sticky-header > thead > tr:first-child,   body.vector-sticky-header-visible .sticky-header > caption + tbody > tr:first-child,   body.vector-sticky-header-visible .sticky-header > tbody:first-child > tr:first-child,   body.vector-sticky-header-visible .sticky-header-multi > thead {     top: 3.125rem;   } } @media screen and (min-width: 851px) {   /* Timeless width >=851px: Below sticky header bar. */   body.skin-timeless .content-table-wrapper:not(.overflowed) .sticky-header > thead > tr:first-child,   body.skin-timeless .content-table-wrapper:not(.overflowed) .sticky-header > caption + tbody > tr:first-child,   body.skin-timeless .content-table-wrapper:not(.overflowed) .sticky-header > tbody:first-child > tr:first-child,   body.skin-timeless .content-table-wrapper:not(.overflowed) .sticky-header-multi > thead {     top: 3.51em;   } }  /**  * Fix "Sticky Table Headers" gadget issues; this template has priority.  */ @media screen {   .sticky-header.jquery-tablesorter > thead,   .sticky-header.mw-sticky-header > thead {     position: static; /* Was "sticky". */     top: auto; /* Was "0". */     z-index: auto; /* Was "10". */   }   .sticky-header.jquery-tablesorter > tfoot,   .sticky-header.mw-sticky-header > tfoot,   .sticky-header-multi.jquery-tablesorter > tfoot,   .sticky-header-multi.mw-sticky-header > tfoot {     position: static; /* Was "sticky". */     bottom: auto; /* Was "0". */     z-index: auto; /* Was "10". */   } } @media screen and (min-width: 1120px) {   body.skin-vector-2022.vector-sticky-header-visible .sticky-header.jquery-tablesorter > thead {     top: auto; /* Was "3.125rem". */   }   html.client-js.vector-sticky-header-enabled .sticky-header .mw-sticky-header-element {     top: auto !important; /* Was "3.125rem !important". */   } } @media screen and (min-width: 851px) {   body.skin-timeless .content-table-wrapper:not(.overflowed) .sticky-header.jquery-tablesorter > thead,   body.skin-timeless .content-table-wrapper:not(.overflowed) .sticky-header.mw-sticky-header > thead {     top: auto; /* Was "3.125rem". */   } }