.library-intro{font-size:14px;color:var(--text-dim);line-height:1.8;margin:12px 0 24px}
.library-parts{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px;margin:20px 0}
.library-part{padding:16px;text-align:left;border:1px solid var(--line);border-radius:12px;background:var(--bg-soft);color:var(--text);cursor:pointer;min-width:0}
.library-part>span{font-size:10px;letter-spacing:1.5px;color:var(--text-dim)}.library-part strong{display:flex;align-items:center;justify-content:space-between;gap:6px;font-size:16px;margin:10px 0}
.library-part small{font-size:12px;font-weight:400;color:var(--text-dim)}.library-part p{font-size:11px;line-height:1.7;color:var(--text-dim);margin:0}
.library-part[aria-pressed=true]{background:var(--accent-soft);border-color:var(--accent)}.library-part[aria-pressed=true]>span{color:var(--accent)}
.library-search{display:flex;gap:10px;margin:20px 0 12px}.library-search input{flex:1;min-width:0}.library-search select{width:220px}
.library-coverage{font-size:12px;color:var(--text-dim);line-height:1.8;margin:14px 0 24px}.library-coverage summary{cursor:pointer}.library-coverage p{max-width:760px}
.library-result-count{font-size:12px;color:var(--text-dim);margin:20px 0 14px}
.library-recommend{margin:18px 0 4px;padding:22px;border:1px solid var(--accent);border-radius:14px;background:var(--accent-soft);display:flex;flex-direction:column;gap:14px}
.library-recommend-kicker{font-size:10px;letter-spacing:1.6px;color:var(--accent)}
.library-recommend h2{font-size:22px;line-height:1.5;margin:0}
.library-recommend-facts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin:0}
.library-recommend-facts>div{border:1px solid var(--line);border-radius:10px;background:var(--bg-soft);padding:10px 12px;min-width:0}
.library-recommend-facts dt{font-size:11px;color:var(--text-dim);margin-bottom:4px}
.library-recommend-facts dd{font-size:13px;line-height:1.65;margin:0}
.library-recommend-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.library-recommend-note{font-size:12px;color:var(--text-dim)}
.library-recommend-footnote{font-size:11.5px;color:var(--text-dim);line-height:1.7;margin:0}
.listening-material-grid{align-items:stretch}.library-material{text-align:left;display:flex;flex-direction:column;min-width:0;font:inherit;color:var(--text);cursor:pointer}
.library-material:disabled{opacity:.6;cursor:wait}.library-material:hover:not(:disabled){border-color:var(--accent)}
.library-material-meta{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:11px;color:var(--text-dim)}.library-material h3{font-size:18px;line-height:1.6;margin:14px 0 8px}
.library-material>p{font-size:13px;line-height:1.9;color:var(--text-dim);margin:0 0 16px}
.library-tags{display:flex;flex-wrap:wrap;gap:5px 12px;font-size:11px;color:var(--text-dim);margin-top:auto;padding-top:6px}
.library-material-footer{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:8px;border-top:1px solid var(--line);padding-top:14px;margin-top:16px;font-size:12px;color:var(--text-dim)}.library-material-footer b{color:var(--accent);font-weight:500}
.library-empty{grid-column:1/-1}.library-empty p{color:var(--text-dim)}
.library-quick-practice.focus-invitation{padding:22px;margin-top:32px;background:var(--bg-soft);border-color:var(--line)}
.library-quick-practice .focus-kicker{display:none}.library-quick-practice h2{font-size:18px;margin:0 0 8px}.library-quick-practice>p{font-size:13px;margin-bottom:14px}.library-quick-practice .focus-topic-choices{margin:12px 0}
.library-quick-practice .focus-invitation-footer{margin-top:14px;padding-top:12px}
@media(max-width:1050px){.library-parts{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:600px){.library-parts{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.library-part{padding:13px}.library-part:first-child{grid-column:1/-1}.library-part:first-child p{display:none}.library-search{flex-direction:column}.library-search select{width:100%}.library-material h3{font-size:17px}
  .library-recommend{padding:16px;gap:12px}.library-recommend h2{font-size:19px}.library-recommend-facts{grid-template-columns:1fr;gap:8px}.library-recommend-actions{gap:10px}
  .library-material>p{-webkit-line-clamp:2;display:-webkit-box;-webkit-box-orient:vertical;overflow:hidden}}
.library-pager{display:flex;justify-content:center;align-items:center;gap:18px;margin:20px 0;font-size:13px;color:var(--text-dim)}
.library-search{flex-wrap:wrap}.library-search input{flex-basis:280px}.library-search select{width:180px}
@media(max-width:600px){.library-search input{flex:0 0 auto;width:100%}.library-search select{width:100%}}