/* S09·S10 자료실 목록·상세 [content] — 10/12 리뉴얼. 토큰은 base.css, 버튼·패널은 components.css를 그대로 쓴다. */
.lb-search { display: grid; gap: 8px; width: min(440px, 100%); }
.lb-search__box { display: flex; height: 52px; border: 1px solid var(--rule); border-radius: var(--r); background: var(--field); overflow: hidden; }
.lb-search__box:focus-within { outline: 2px solid var(--focus); outline-offset: 1px; }
.lb-search__in { flex: 1; min-width: 0; padding: 0 16px; border: 0; background: transparent; color: var(--ink); font: inherit; font-size: 15px; }
.lb-search__in:focus { outline: none; }
.lb-search__btn { flex: none; width: 84px; border: 0; background: var(--navy); color: var(--lime); font: 800 14.5px var(--font); cursor: pointer; }
.lb-search__btn:hover { background: var(--navy-600); }
.lb-search__hint { display: flex; flex-wrap: wrap; gap: 4px 12px; margin: 0; color: var(--ink-3); font-size: 13px; }
.lb-search__hint a { color: var(--accent-ink); font-weight: 700; text-decoration: underline; text-underline-offset: 3px; }

/* 공통 표식 */
.lb-sh { display: flex; align-items: center; gap: 10px; margin: 0 0 12px; font-size: 15px; font-weight: 800; }
.lb-sh i { display: block; width: 7px; height: 7px; background: var(--ink); transform: rotate(45deg); }
.lb-sh span { margin-left: auto; color: var(--ink-3); font-size: 13px; font-weight: 600; }
.lb-ft { display: inline-grid; place-items: center; flex: none; min-width: 44px; height: 22px; padding: 0 8px; border-radius: var(--r-sm); background: var(--navy); color: var(--lime); font: 800 12px/1 var(--font-en); letter-spacing: .03em; }
:root[data-theme="dark"] .lb-ft { background: var(--lime); color: var(--navy); }
.lb-acc { display: inline-flex; align-items: center; gap: 6px; color: var(--count); font-size: 12.5px; font-weight: 800; white-space: nowrap; }
.lb-acc::before { content: ""; width: 6px; height: 6px; background: currentColor; transform: rotate(45deg); }
.lb-acc.is-member { color: var(--ink); }
.lb-dn { color: var(--ink-2); font: 700 13px/1 var(--font-en); white-space: nowrap; }
.lb-date { color: var(--ink-3); font: 600 13px/1 var(--font-en); white-space: nowrap; }
.lb-tag { display: inline-flex; align-items: center; height: 22px; padding: 0 8px; border-radius: var(--r-sm); background: var(--chip); color: var(--ink-2); font-size: 12px; font-weight: 800; white-space: nowrap; }
mark.lb-hl, .lb-row mark { padding: 0 1px; border-radius: 2px; background: var(--mark); color: inherit; }

/* 많이 받은 자료 */
.lb-tops { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; margin: 0; padding: 0; list-style: none; }
.lb-top { position: relative; display: grid; grid-template-rows: auto auto 1fr auto; gap: 12px; align-content: start; height: 100%; padding: 22px 24px 20px; border: 1px solid var(--line-2); border-top: 2px solid var(--rule); background: var(--panel); }
.lb-top:hover { background: var(--hover); }
.lb-top__r1 { display: flex; align-items: center; gap: 10px; }
.lb-top__rk { margin-right: auto; font: 800 30px/1 var(--font-en); letter-spacing: -.02em; }
.lb-top__t { font-size: 18.5px; font-weight: 800; line-height: 1.45; letter-spacing: -.04em; text-wrap: balance; }
.lb-top__t a::after { content: ""; position: absolute; inset: 0; }
.lb-top__t a:focus-visible { outline: none; }
.lb-top:has(a:focus-visible) { outline: 2px solid var(--focus); outline-offset: -2px; }
.lb-top__d { display: -webkit-box; overflow: hidden; -webkit-line-clamp: 2; -webkit-box-orient: vertical; margin: 0; color: var(--ink-2); font-size: 14px; line-height: 1.7; text-wrap: pretty; }
.lb-top__r3 { display: flex; align-items: center; gap: 10px; padding-top: 12px; border-top: 1px solid var(--line); font-size: 13px; }
.lb-top__go { margin-left: auto; color: var(--accent-ink); font-weight: 800; }
.lb-top--first { border-color: var(--navy); border-top-color: var(--lime); background: var(--navy); color: #fcfcf9; }
.lb-top--first:hover { background: var(--navy-700); }
.lb-top--first .lb-top__rk, .lb-top--first .lb-top__go, .lb-top--first .lb-acc { color: var(--lime); }
.lb-top--first .lb-acc.is-member { color: #fcfcf9; }
.lb-top--first .lb-top__d, .lb-top--first .lb-dn { color: #c5ccd9; }
.lb-top--first .lb-top__r3 { border-top-color: #2b3650; }
.lb-top--first .lb-tag { background: var(--navy-600); color: #d6dbe6; }
:root[data-theme="dark"] .lb-top--first { border-color: var(--line-2); border-top-color: var(--lime); background: #0b111d; }

/* 분류 탭 · 정렬 */
.lb-seg { display: flex; align-items: center; gap: 14px; margin: 40px 0 12px; }
.lb-seg--flat { margin-top: 0; }
.lb-tabs { display: flex; gap: 2px; min-width: 0; padding: 3px; border-radius: var(--r); background: var(--chip); }
.lb-tabs a { display: flex; align-items: center; gap: 7px; height: 36px; padding: 0 16px; border-radius: var(--r-sm); color: var(--ink-2); font-size: 14px; font-weight: 700; white-space: nowrap; }
.lb-tabs a b { color: var(--ink-3); font: 700 12px/1 var(--font-en); }
.lb-tabs a:hover { color: var(--ink); }
.lb-tabs a[aria-current] { background: var(--navy); color: var(--lime); }
.lb-tabs a[aria-current] b { color: #a3abba; }
:root[data-theme="dark"] .lb-tabs a[aria-current] { background: var(--lime); color: var(--navy); }
:root[data-theme="dark"] .lb-tabs a[aria-current] b { color: #3b4b68; }
.lb-seg__sp { flex: 1; }
.lb-sort { display: flex; gap: 4px; font-size: 13.5px; font-weight: 700; }
.lb-sort a { padding: 6px 10px; border-radius: var(--r-sm); color: var(--ink-3); }
.lb-sort a:hover { color: var(--ink); }
.lb-sort a[aria-current] { background: var(--chip); color: var(--ink); }

/* 자료 행 */
.lb-list { margin: 0; padding: 0; list-style: none; }
.lb-row { position: relative; display: grid; grid-template-columns: 48px minmax(0, 1fr) 92px 84px 84px 76px 104px; align-items: center; gap: 0 16px; padding: 16px 24px; border-bottom: 1px solid var(--line); }
.lb-row:last-child { border-bottom: 0; }
.lb-row:hover { background: var(--hover); }
.lb-row:has(.lb-row__t a:focus-visible) { outline: 2px solid var(--focus); outline-offset: -2px; }
.lb-row__ft { display: grid; place-items: center; width: 44px; height: 52px; border-radius: var(--r-sm); background: var(--navy); color: var(--lime); font: 800 12px/1 var(--font-en); letter-spacing: .03em; }
:root[data-theme="dark"] .lb-row__ft { background: var(--lime); color: var(--navy); }
.lb-row__mid { min-width: 0; }
.lb-row__t { margin: 0; font-size: 16.5px; font-weight: 800; line-height: 1.4; letter-spacing: -.03em; }
.lb-row__t a::after { content: ""; position: absolute; inset: 0; }
.lb-row__t a:focus-visible { outline: none; }
.lb-row:hover .lb-row__t { color: var(--accent-ink); }
.lb-row__d { margin: 4px 0 0; overflow: hidden; color: var(--ink-3); font-size: 13.5px; white-space: nowrap; text-overflow: ellipsis; }
.lb-row__cat { color: var(--ink-2); font-size: 13px; font-weight: 700; }
.lb-row .lb-dn { text-align: right; }
.lb-row .btn { position: relative; z-index: 1; width: 100%; }

.lb-ask { display: flex; align-items: center; gap: 24px; margin-top: 32px; padding: 24px 28px; border-top: 2px solid var(--lime); border-radius: var(--r); background: var(--navy); color: #fcfcf9; }
.lb-ask h2 { margin: 0; font-size: 18px; font-weight: 800; }
.lb-ask p { margin: 4px 0 0; color: #c5ccd9; font-size: 14px; line-height: 1.65; }
.lb-ask .btn { margin-left: auto; flex: none; }
:root[data-theme="dark"] .lb-ask { background: #0b111d; }

/* 상세 */
.lb-detail { display: grid; gap: 14px; }
.lb-art { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 24px; align-items: start; }
.lb-art__main { display: grid; gap: 16px; min-width: 0; }
.lb-art__side { display: grid; gap: 16px; position: sticky; top: 16px; min-width: 0; }
.lb-article__hd { display: grid; gap: 14px; padding: 30px 40px 24px; border-bottom: 1px solid var(--line); }
.lb-article__tags { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 10px; }
.lb-article__title { margin: 0; font-size: 30px; font-weight: 800; line-height: 1.35; letter-spacing: -.05em; text-wrap: balance; }
.lb-article__meta { display: flex; flex-wrap: wrap; gap: 4px 18px; margin: 0; color: var(--ink-3); font-size: 13.5px; }
.lb-article__meta b { color: var(--ink); font: 700 13.5px var(--font-en); }
.lb-dbody { display: grid; grid-template-columns: 380px minmax(0, 1fr); gap: 40px; align-items: start; padding: 32px 40px 40px; }
.lb-sheet { display: grid; gap: 10px; margin: 0; }
.lb-sheet img { display: block; width: 100%; height: auto; border: 1px solid var(--line-2); background: #fff; box-shadow: 0 8px 22px rgba(18, 26, 43, .1); cursor: zoom-in; }
.lb-sheet figcaption { display: flex; align-items: flex-start; gap: 6px; color: var(--ink-3); font-size: 12.5px; line-height: 1.6; }
.lb-sheet figcaption .i { flex: none; width: 15px; height: 15px; margin-top: 2px; }
.lb-sheet--none { display: grid; justify-items: center; gap: 8px; padding: 40px 16px; border: 1px dashed var(--line-2); color: var(--ink-3); text-align: center; font-size: 13.5px; }
.lb-sheet--none .i { width: 34px; height: 34px; }
.lb-desc { display: grid; gap: 18px; align-content: start; min-width: 0; }
.lb-desc h2 { display: flex; align-items: center; gap: 10px; margin: 0; font-size: 15px; font-weight: 800; }
.lb-desc h2 i { display: block; width: 7px; height: 7px; background: var(--ink); transform: rotate(45deg); }
.lb-desc p { margin: 0; font-size: 16px; line-height: 1.85; text-wrap: pretty; }
.lb-dl { display: grid; gap: 16px; padding: 22px 22px 24px; }
.lb-dl h2 { margin: 0; font-size: 15.5px; font-weight: 800; display: flex; align-items: center; gap: 6px; }
.lb-dl h2 .i { width: 16px; height: 16px; }
.lb-dl .kv { display: grid; grid-template-columns: 84px minmax(0, 1fr); gap: 11px 0; margin: 0; font-size: 14px; }
.lb-dl .kv dt { color: var(--ink-3); font-weight: 600; }
.lb-dl .kv dd { margin: 0; font-weight: 700; }
.lb-lock { display: grid; gap: 4px; padding: 14px 16px; border-radius: var(--r); background: var(--panel-2); color: var(--ink-2); font-size: 13.5px; line-height: 1.65; }
.lb-lock b { color: var(--ink); font-weight: 800; }
.lb-dl__sg { margin: -4px 0 0; color: var(--ink-3); font-size: 13px; text-align: center; }
.lb-dl__sg a { color: var(--accent-ink); font-weight: 800; text-decoration: underline; text-underline-offset: 3px; }

/* 반응형 */
@media (max-width: 1023px) {
  .lb-art { grid-template-columns: minmax(0, 1fr); }
  .lb-art__side { position: static; }
  .lb-dbody { grid-template-columns: minmax(0, 1fr); gap: 28px; }
  .lb-sheet { max-width: 420px; }
  .lb-row { grid-template-columns: 48px minmax(0, 1fr) 84px 76px 104px; }
  .lb-row__cat, .lb-row .lb-date { display: none; }
}
@media (max-width: 768px) {
  .lb-tops { display: flex; overflow-x: auto; gap: 10px; padding: 0 16px 6px; margin: 0 -16px; scroll-snap-type: x mandatory; scrollbar-width: none; }
  .lb-tops::-webkit-scrollbar { display: none; }
  .lb-tops > li { flex: none; width: 276px; scroll-snap-align: start; }
  .lb-top { padding: 18px 18px 16px; }
  .lb-top__rk { font-size: 26px; }
  .lb-top__t { font-size: 17px; }
  .lb-seg { display: grid; gap: 10px; margin: 28px 0 10px; }
  .lb-seg__sp { display: none; }
  .lb-tabs { overflow-x: auto; margin-right: -16px; border-radius: var(--r) 0 0 var(--r); scrollbar-width: none; }
  .lb-tabs::-webkit-scrollbar { display: none; }
  .lb-row { grid-template-columns: auto auto minmax(0, 1fr) auto; grid-template-areas: "ft acc cat dt" "mid mid mid mid" "dn dn dn btn"; gap: 12px 10px; padding: 16px 18px; }
  .lb-row__ft { grid-area: ft; width: auto; height: 22px; padding: 0 8px; font-size: 11px; }
  .lb-row .lb-acc { grid-area: acc; }
  .lb-row__cat { grid-area: cat; display: block; }
  .lb-row .lb-date { grid-area: dt; display: block; }
  .lb-row__mid { grid-area: mid; }
  .lb-row .lb-dn { grid-area: dn; text-align: left; }
  .lb-row .btn { grid-area: btn; width: auto; padding: 0 18px; }
  .lb-row__d { white-space: normal; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; line-height: 1.6; }
  .lb-ask { display: grid; gap: 14px; padding: 20px; }
  .lb-ask .btn { margin-left: 0; }
  .lb-article__hd { padding: 22px 20px 18px; }
  .lb-article__title { font-size: 23px; }
  .lb-dbody { padding: 22px 20px 28px; }
  .lb-desc p { font-size: 15px; }
}