/*
 * C9-07 Clean Modular Scholar — Vocabulary, Grammar and Sentences.
 * Layered over original native modules, preserving their controls and writers.
 */
.c9-language-workspace{display:grid;gap:22px;min-width:0}
.c9-language-workspace *{box-sizing:border-box}
.c9-library{
 min-width:0;padding:clamp(17px,2.6vw,29px);
 background:var(--c9-surface);border:1px solid var(--c9-line);border-radius:var(--c9-r);
 color:var(--c9-ink)
}
.c9-library-heading h2{
 font:600 clamp(25px,2.75vw,35px)/1.18 var(--c9-display);
 letter-spacing:-.025em;margin:5px 0 8px;color:var(--c9-ink)
}
.c9-library-heading>p:last-child{font-size:13px;line-height:1.65;color:var(--c9-sub);margin:0 0 18px;max-width:790px}
.c9-library-metrics{
 display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
 background:var(--c9-surface-2);border:1px solid var(--c9-line);
 border-radius:var(--c9-r-sm);margin:0 0 23px;overflow:hidden
}
.c9-library-metrics>div{
 display:grid;gap:5px;align-content:center;padding:15px 20px;border-right:1px solid var(--c9-line)
}
.c9-library-metrics>div:last-child{border-right:0}
.c9-library-metrics strong{font:650 clamp(22px,2.2vw,28px)/1.15 var(--c9-ui);font-variant-numeric:tabular-nums}
.c9-library-metrics span{font-size:11px;color:var(--c9-sub);line-height:1.4}
.c9-library-filters{
 display:grid;grid-template-columns:minmax(0,2fr) minmax(180px,1fr);
 gap:13px;margin-bottom:19px
}
.c9-library-filters label{display:grid;gap:7px;min-width:0;font-size:12px;font-weight:650;color:var(--c9-sub)}
.c9-library-results-caption,.c9-library-pages,.c9-library-section-head{
 display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:11px
}
.c9-library-results-caption{margin:5px 0 13px}
.c9-library-results-caption strong{font-size:13px;font-weight:700}
.c9-library-results-caption span,.c9-library-pages>span{font-size:12px;color:var(--c9-sub)}
.c9-library-words{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.c9-library-word{
 display:grid;grid-template-columns:minmax(0,1fr);
 align-content:start;gap:11px;min-width:0;
 padding:16px;border:1px solid var(--c9-line);border-radius:var(--c9-r-sm);
 background:var(--c9-surface)
}
.c9-library-word-head{display:flex;flex-wrap:wrap;align-items:baseline;gap:12px;min-width:0}
.c9-library-word-head strong{font:500 30px/1.3 var(--c9-hanzi-display);color:var(--c9-ink);letter-spacing:0}
.c9-library-word-head span{font-size:14px;color:var(--c9-green);overflow-wrap:anywhere}
.c9-library-word-copy{display:grid;justify-items:start;gap:6px;min-width:0}
.c9-library-word-copy>strong{font-size:13px;line-height:1.5;overflow-wrap:anywhere}
.c9-library-word-copy>p{font:400 18px/1.65 var(--c9-hanzi);color:var(--c9-ink);margin:7px 0 0;overflow-wrap:anywhere}
.c9-library-word-copy>small{font-size:11px;line-height:1.55;color:var(--c9-sub);overflow-wrap:anywhere}
.c9-library-word-actions{display:flex;flex-wrap:wrap;align-items:center;gap:6px;border-top:1px solid var(--c9-line);padding-top:10px}
.c9-library-pages{border-top:1px solid var(--c9-line);padding-top:15px;margin-top:15px}
.c9-library-disclaimer{font-size:11px;line-height:1.6;color:var(--c9-sub);margin:20px 0 0}
.c9-library-chapters{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.c9-library-chapter{
 display:flex;flex-direction:column;align-items:stretch;gap:12px;min-width:0;
 padding:17px;border:1px solid var(--c9-line);border-radius:var(--c9-r-sm)
}
.c9-library-tile-head{display:flex;gap:12px;align-items:center;min-width:0}
.c9-library-tile-head>span{
 display:grid;place-items:center;flex:none;width:38px;height:38px;
 border-radius:var(--c9-r-xs);color:var(--c9-green);background:var(--c9-green-soft);
 font-size:15px;font-weight:700
}
.c9-library-tile-head>div{min-width:0}
.c9-library-tile-head h3{font:600 16px/1.4 var(--c9-display);margin:0}
.c9-library-tile-head small{font-size:11px;color:var(--c9-sub)}
.c9-library-bar>div:first-child{display:flex;align-items:baseline;justify-content:space-between;gap:9px;margin-bottom:8px}
.c9-library-bar span{font-size:11px;line-height:1.4;color:var(--c9-sub)}
.c9-library-bar strong{font-size:11px;font-variant-numeric:tabular-nums}
.c9-library-links{display:grid;border-top:1px solid var(--c9-line);padding-top:9px;gap:2px;flex:1}
.c9-library-text-button{
 width:100%;border:0;border-radius:var(--c9-r-xs);text-align:left;
 padding:8px;background:transparent;color:var(--c9-sub);
 font:550 12px/1.45 var(--c9-ui);cursor:pointer
}
.c9-library-text-button:hover{background:var(--c9-surface-2);color:var(--c9-accent)}
.c9-library-chapter>.c9-button{align-self:start;white-space:normal;text-align:left}
.c9-library-section-head{margin:4px 0 15px}
.c9-library-section-head h3{font:600 20px/1.35 var(--c9-display);margin:0}
.c9-library-topics{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.c9-library-topic{
 display:flex;flex-direction:column;align-items:start;gap:9px;
 min-width:0;border:1px solid var(--c9-line);border-radius:var(--c9-r-sm);
 background:var(--c9-surface);padding:17px
}
.c9-library-topic h4{font:600 17px/1.3 var(--c9-display);margin:0}
.c9-library-topic>p:not(.c9-eyebrow){font-size:12px;line-height:1.6;color:var(--c9-sub);margin:0}
.c9-library-topic>p.c9-library-topic-hanzi{
 font:500 21px/1.6 var(--c9-hanzi);
 margin-top:5px;color:var(--c9-ink);letter-spacing:0;overflow-wrap:anywhere
}
.c9-library-topic>span{font-size:11px;line-height:1.5;color:var(--c9-muted)}
.c9-library-topic>.c9-button{margin-top:auto;white-space:normal}
.c9-language-native{
 display:grid;gap:16px;min-width:0;padding:clamp(16px,2vw,24px);
 border:1px solid var(--c9-line);background:var(--c9-surface);border-radius:var(--c9-r)
}
.c9-language-native-head{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.c9-language-native-head h2{font:600 21px/1.3 var(--c9-display);margin:0}
.c9-language-native-head p{font-size:12px;line-height:1.5;color:var(--c9-sub);margin:0}
/* Existing authentic grammar and sentence components. Preserve their JS event IDs. */
.c9-language-workspace :where(.p25-layout,.p26-layout,.explore-layout){min-width:0;gap:18px}
.c9-language-workspace :where(.p25-sidebar,.p25-lesson,.p26-browser,.p26-detail,.p23-word-entry,.explore-detail){
 min-width:0;background:var(--c9-surface);color:var(--c9-ink);
 border-color:var(--c9-line);border-radius:var(--c9-r)
}
.c9-language-workspace :where(.p25-unit,.p26-sentence-item,.result-row,.p25-chapter){
 color:var(--c9-ink);border-color:var(--c9-line);border-radius:var(--c9-r-sm)
}
.c9-language-workspace :where(.p25-unit,.p26-sentence-item,.result-row):hover{
 background:var(--c9-surface-2);border-color:var(--c9-line-strong)
}
.c9-language-workspace :where(.p25-unit.active,.p26-sentence-item.selected,.result-row.selected,.p25-chapter.active){
 background:var(--c9-accent-soft);border-color:var(--c9-accent);color:var(--c9-ink)
}
.c9-language-workspace :where(.p25-heading h2,.p26-heading h2,.p23-word-entry h2){
 color:var(--c9-ink);letter-spacing:-.02em
}
.c9-language-workspace :where(.p25-examples,.p26-context-grid,.p23-word-examples,.p26-variation-pair){min-width:0}
.c9-language-workspace :where(.p25-examples article,.p26-context-grid button,.word-example,.p23-dictionary-section,.p25-teaching){
 border-color:var(--c9-line);border-radius:var(--c9-r-sm)
}
.c9-language-workspace :where(.p25-examples article>p[lang="zh-Hans"],.p26-heading h2[lang="zh-Hans"],.p26-sentence-item strong[lang="zh-Hans"],.p23-word-entry .detail-character,.result-row>span[lang="zh-Hans"]){
 font-family:var(--c9-hanzi);letter-spacing:0;line-height:1.55
}
.c9-language-workspace :where(.p25-mistake,.p26-variation,.p25-result,.p26-context,.p23-word-note){
 border-color:var(--c9-line);background:var(--c9-surface-2);border-radius:var(--c9-r-sm)
}
.c9-language-workspace :where(#grammar-query,#sentence-library-query,#explore-query){
 width:100%;min-height:44px;background:var(--c9-surface);color:var(--c9-ink);
 border:1px solid var(--c9-line-strong);border-radius:var(--c9-r-sm);padding:9px 12px
}
.c9-language-workspace :where(.p25-sidebar,.p26-browser,.p23-search-list){scrollbar-width:thin}
@media(max-width:1300px){
 .c9-library-chapters,.c9-library-topics{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media(max-width:900px){
 .c9-library-words{grid-template-columns:minmax(0,1fr)}
 .c9-language-workspace :where(.p25-layout,.p26-layout,.explore-layout){grid-template-columns:minmax(0,1fr)}
 .c9-language-workspace :where(.p25-sidebar,.p26-browser,.p23-search-list){position:static;max-height:none;width:100%}
}
@media(max-width:650px){
 .c9-library{padding:17px 13px}
 .c9-library-metrics>div{padding:13px 8px}
 .c9-library-metrics strong{font-size:21px}
 .c9-library-filters{grid-template-columns:minmax(0,1fr)}
 .c9-library-chapters,.c9-library-topics{grid-template-columns:minmax(0,1fr)}
 .c9-library-words{grid-template-columns:minmax(0,1fr)}
 .c9-library-word{padding:13px}
 .c9-library-word-actions>.c9-button{min-height:44px}
 .c9-library-topic{padding:15px}
 .c9-language-native{padding:14px 12px}
 .c9-library-heading h2{font-size:26px}
 .c9-language-workspace :where(.p25-examples,.p26-context-grid){grid-template-columns:minmax(0,1fr)}
}
@media(max-width:355px){
 .c9-library-metrics{grid-template-columns:minmax(0,1fr)}
 .c9-library-metrics>div{border-right:0;border-bottom:1px solid var(--c9-line)}
 .c9-library-metrics>div:last-child{border-bottom:0}
}
@media(prefers-reduced-motion:reduce){
 .c9-language-workspace *{scroll-behavior:auto}
}