/* Previous year papers: uploaded question papers, grouped by year, above the official archives. */
.papers-filters{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:14px 20px}
.papers-chips{display:flex;flex-wrap:wrap;gap:8px}
.papers-chips a{font-size:12px;font-weight:500;line-height:1.5;text-decoration:none;border:1px solid var(--border);background:var(--surface);color:var(--muted);border-radius:6px;padding:8px 14px;transition:background .15s,border-color .15s}
.papers-chips a:hover:not(.active){background:var(--soft);border-color:#a4bdec;color:var(--purple)}
.papers-chips a.active{background:#245be8;border-color:#245be8;color:#fff;font-weight:600}
.papers-count{font-variant-numeric:tabular-nums;opacity:.72;margin-left:3px}
.papers-selects{display:flex;gap:10px;align-items:flex-end}
.papers-selects label{display:flex;flex-direction:column;gap:5px;font-size:11px;font-weight:600;color:var(--muted)}
.papers-selects .form-select{min-width:132px;background-color:var(--surface);color:var(--text);border-color:var(--border);font-size:12px;padding:9px 34px 9px 12px;border-radius:7px}

.papers-year{display:grid;grid-template-columns:92px minmax(0,1fr);gap:18px;margin-bottom:22px}
.papers-year h2{font-size:30px;font-weight:750;letter-spacing:-.04em;line-height:1;font-variant-numeric:tabular-nums;color:var(--text);margin:18px 0 0;position:sticky;top:96px;align-self:start}
.papers-list{list-style:none;margin:0;padding:0;background:var(--surface);border:1px solid var(--border);border-radius:var(--ui-radius,11px);overflow:hidden}
.paper-item{display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:16px;align-items:center;padding:16px 20px}
.paper-item+.paper-item{border-top:1px solid var(--border)}
.paper-file{width:40px;height:40px;border-radius:9px;display:grid;place-items:center;background:#fdecea;color:#c4372b;font-size:19px}
body.dark .paper-file{background:#3a2120;color:#f0a49c}
.paper-text{min-width:0}
.paper-text h3{font-size:15px;font-weight:650;line-height:1.4;margin:0 0 3px}
.paper-text h3 a{color:var(--text);text-decoration:none}
.paper-text h3 a:hover,.paper-text h3 a:focus-visible{color:var(--purple)}
.paper-meta{display:flex;flex-wrap:wrap;margin:0;font-size:12px;line-height:1.7;color:var(--muted)}
.paper-meta span+span::before{content:"";display:inline-block;width:3px;height:3px;border-radius:50%;background:var(--faint);margin:0 8px;vertical-align:middle}
.paper-note{margin:3px 0 0;font-size:12px;line-height:1.7;color:var(--muted)}
.paper-note .text-link{font-size:12px;white-space:nowrap}
.paper-actions{display:flex;flex-wrap:wrap;align-items:center;justify-content:flex-end;gap:8px}
.paper-actions .btn{font-size:12px;padding:8px 13px;white-space:nowrap;display:inline-flex;align-items:center;gap:6px}
.paper-key{flex-basis:100%;text-align:right;font-size:12px}
.papers-section-title{font-size:19px;font-weight:700;letter-spacing:-.02em;margin:34px 0 14px}
.papers-more{margin:14px 0 0}

/* One paper's page */
.paper-page{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:24px;align-items:start}
.paper-sheet,.paper-related{background:var(--surface);border:1px solid var(--border);border-radius:var(--ui-radius,11px);padding:26px}
.paper-sheet-head{display:flex;gap:16px;align-items:flex-start}
.paper-sheet-head h2{font-size:21px;font-weight:700;letter-spacing:-.02em;line-height:1.35;margin:4px 0 2px}
.paper-sheet-head p{margin:0;font-size:13px;color:var(--muted)}
.paper-file-lg{width:52px;height:52px;border-radius:11px;font-size:24px;flex:none}
.paper-facts{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px;margin:22px 0}
.paper-facts>div{background:var(--bg);border-radius:8px;padding:12px 14px}
.paper-facts dt{font-size:11px;font-weight:600;color:var(--muted);margin-bottom:3px}
.paper-facts dd{margin:0;font-size:14px;font-weight:600;color:var(--text);line-height:1.45}
.paper-facts dd small{display:block;font-size:11px;font-weight:400;color:var(--muted);margin-top:2px}
.paper-facts dd .text-link{font-size:14px}
.paper-actions-wide{justify-content:flex-start}
.paper-actions-wide .btn{font-size:13px;padding:10px 16px}
.paper-source{margin:18px 0 0;font-size:12px;color:var(--muted)}
.paper-source>.bi{color:var(--faint);margin-right:4px}
.paper-about{border-top:1px solid var(--border);margin-top:22px;padding-top:20px}
.paper-about h2{font-size:16px;font-weight:700;margin:0 0 8px}
.paper-about p{font-size:14px;line-height:1.85;color:var(--muted);margin:0 0 10px;max-width:68ch}
.paper-related{padding:22px;display:flex;flex-direction:column;gap:12px;position:sticky;top:96px}
.paper-related h2{font-size:15px;font-weight:700;margin:0}
.paper-related ul{list-style:none;margin:0;padding:0}
.paper-related li+li{border-top:1px solid var(--border)}
.paper-related li a{display:flex;flex-direction:column;gap:1px;padding:10px 0;text-decoration:none}
.paper-related li a span{font-size:13px;font-weight:600;color:var(--text);line-height:1.4}
.paper-related li a:hover span{color:var(--purple)}
.paper-related li small{font-size:11px;color:var(--muted)}
.paper-related p{font-size:12px;color:var(--muted);margin:0}

@media(max-width:991px){
  .paper-page{grid-template-columns:1fr}
  .paper-related{position:static}
  .papers-year{grid-template-columns:1fr;gap:10px}
  .papers-year h2{position:static;margin:4px 0 0;font-size:24px}
}
@media(max-width:700px){
  .papers-selects{width:100%}
  .papers-selects label{flex:1}
  .papers-selects .form-select{min-width:0;width:100%}
  .paper-item{grid-template-columns:auto minmax(0,1fr);gap:12px 14px;padding:15px 16px}
  .paper-actions{grid-column:1/-1;justify-content:flex-start}
  .paper-key{flex-basis:auto;text-align:left;margin-left:4px}
  .paper-sheet{padding:20px 18px}
  .paper-facts{grid-template-columns:1fr 1fr}
  .paper-actions-wide .btn{flex:1 1 auto;justify-content:center}
}

/* A year's optional subjects and language papers, folded below its main papers */
.papers-year-body{min-width:0}  /* the year's papers and its folded sections share the second column */
.papers-year-body>.papers-section:first-child{margin-top:0}
.papers-section{margin-top:12px;border:1px solid var(--border);border-radius:var(--ui-radius,11px);background:var(--surface)}
.papers-section>summary{display:flex;align-items:center;gap:10px;padding:13px 18px;cursor:pointer;list-style:none;font-size:14px;font-weight:650;color:var(--text)}
.papers-section>summary::-webkit-details-marker{display:none}
.papers-section>summary .bi{margin-left:auto;color:var(--muted);transition:transform .15s}
.papers-section[open]>summary .bi{transform:rotate(180deg)}
.papers-section>summary:hover{color:var(--purple)}
.papers-section-count{font-size:12px;font-weight:500;color:var(--muted)}
.papers-section>.papers-list{border:0;border-top:1px solid var(--border);border-radius:0 0 var(--ui-radius,11px) var(--ui-radius,11px)}

/* Year links: the lists show the latest years; older years are a link each (partials/paper-years.php) */
.papers-years{margin:0 0 18px}
.papers-older{margin:26px 0 8px}
.papers-older h2{font-size:17px;font-weight:700;letter-spacing:-.02em;margin:0 0 12px}