.app.info-layout{display:grid;grid-template-columns:150px minmax(0,1fr);grid-template-rows:52px minmax(0,1fr)}
.app.info-layout>.topbar{grid-column:1 / -1;grid-row:1}
.app.info-layout>main{grid-column:2;grid-row:2;min-width:0;min-height:0}
.info-sidebar{grid-column:1;grid-row:2;background:#f8f9fb;border-right:1px solid var(--line);padding:24px 10px;overflow:auto}
.info-sidebar nav{display:flex;flex-direction:column;gap:6px}
.info-sidebar a{display:flex;align-items:center;gap:9px;padding:11px 10px;border-radius:6px;color:var(--muted);font-size:13px;line-height:20px;text-decoration:none;white-space:nowrap}
.info-sidebar svg{width:17px;height:17px;flex:none}
.info-sidebar a:hover{background:var(--accent-soft);color:var(--ink)}
.info-sidebar a[aria-current="page"]{background:var(--accent-soft);color:var(--ink);font-weight:600}
.info-sidebar a[data-info-kind="sources"]{margin-top:16px;position:relative}
.info-sidebar a[data-info-kind="sources"]::before{content:"";position:absolute;top:-11px;left:10px;right:10px;border-top:1px solid var(--line)}
.info-layout #reader-view{padding:0;gap:0}
.info-layout #library-root{max-width:none}.library-workspace{position:relative;display:grid;grid-template-columns:360px minmax(0,1fr);border:0;border-radius:0;background:white;height:100%;min-height:0;overflow:visible}.library-workspace>aside{display:flex;flex-direction:column;min-height:0;border-right:1px solid #dbe3e7}#library-detail{overflow:auto;padding:30px 40px;min-width:0}#library-detail>header,#library-detail>.library-text,#library-detail>.library-images,#library-detail>.library-patent-fields{max-width:850px;margin-left:auto;margin-right:auto}.library-text{white-space:pre-wrap;overflow-wrap:anywhere;font-size:16px;line-height:1.9;padding:20px 0}.library-patent-fields{display:grid;grid-template-columns:1fr 1fr;gap:14px}.library-patent-fields dt{font-size:12px;color:#647888}.library-patent-fields dd{margin:5px 0;font-size:14px}.library-images figure{margin:20px 0}.library-images img{display:block;max-width:100%;max-height:650px;margin:auto}.library-images figcaption{text-align:center;color:#647888;font-size:12px;margin-top:8px}

/* Three application columns: categories, filtered list, reading surface. */
.info-layout #reader-view .workspace{grid-template-columns:360px minmax(0,1fr);border:0;border-radius:0;box-shadow:none;min-height:0;overflow:visible}
.info-layout #reader-view .filter-section{padding:18px 16px 12px;border-bottom:1px solid var(--line)}
.info-layout #reader-view .filter-form{display:grid;grid-template-columns:minmax(0,1fr) 36px;gap:8px}
.info-layout #reader-view .search-control{grid-column:1;grid-row:1;margin:0}
.info-layout #reader-view .date-toggle{width:100%}
.info-layout #reader-view .source-picker{width:auto}
.info-layout #reader-view .date-panel,.info-layout #reader-view .source-panel{z-index:50}
.info-layout #reader-view .source-panel{left:auto;right:0}
.info-layout #reader-view .notice{margin:0;padding:10px 16px}
.info-layout #library-view{padding:0;overflow:hidden}
.info-layout #library-root{height:100%}
.library-workspace>aside{background:#fbfcfd;min-width:0}


.library-workspace>aside>.material-notice,#library-message{margin:10px 16px;font-size:12px}
#library-detail>h3,#library-supplement{max-width:850px;margin-left:auto;margin-right:auto}

#library-root .filter-section{padding:18px 16px 12px;border-bottom:1px solid var(--line)}
#library-root .filter-form{display:grid;grid-template-columns:minmax(0,1fr) 36px;gap:8px}
#library-root .search-control{grid-column:1;grid-row:1;margin:0}
#library-root .search-control input{height:36px;padding:6px 9px 6px 36px}
#library-root .date-toggle{width:100%}
#library-root .source-picker{width:auto}
#library-root .date-panel,#library-root .source-panel{z-index:50}
#library-root .source-panel{left:auto;right:0}
#library-root .source-list input{width:16px;height:16px;padding:0}
.library-loading{max-width:850px;margin:36px auto}
.library-loading i{display:block;height:12px;background:#edf1f6;border-radius:3px;margin:18px 0}
.library-loading i:first-child{height:25px;width:70%;margin-bottom:40px}
#library-detail[aria-busy=true]>:not(.library-loading){opacity:.55;pointer-events:none}

.filter-picker{position:relative;min-width:0}
.filter-toggle{width:36px;height:36px;display:flex;align-items:center;justify-content:center;padding:0;position:relative;border:1px solid var(--line);background:white;border-radius:6px}
.filter-toggle[aria-expanded=true]{background:var(--accent-soft);color:var(--blue)}
.filter-dot{position:absolute;right:5px;top:5px;width:5px;height:5px;background:var(--brand-red);border-radius:50%}
.filter-panel{position:absolute;right:0;top:44px;width:328px;padding:14px;background:white;border:1px solid var(--line);border-radius:10px;box-shadow:0 10px 30px #20364920;z-index:40;display:grid;grid-template-columns:minmax(0,1fr);gap:10px}
.filter-panel>p{font-size:12px;font-weight:600;margin:0;color:var(--ink)}
.info-layout .filter-panel .source-picker{flex-basis:auto}
.info-layout .filter-panel .date-panel{left:0;top:calc(100% + 8px)}
.info-layout .filter-panel .source-panel{right:0;top:calc(100% + 8px)}
.info-layout .active-filters{gap:5px;padding-top:8px}
.info-layout .active-filters button{font-size:11px;color:var(--muted);padding:3px 7px;border:0;background:var(--accent-soft);max-width:210px}

.library-workspace>.reading-pane{display:flex;flex-direction:column;min-height:0;min-width:0}
.library-workspace>.reading-pane>.reading-toolbar{padding:0 24px;border-bottom:1px solid var(--line);justify-content:space-between}
#library-reading-source{font-size:12px;color:var(--muted)}
#library-detail{flex:1;min-height:0;overscroll-behavior:contain}

.filter-actions{display:flex;justify-content:flex-end;padding-top:4px}.filter-actions button{font-size:12px;color:var(--muted);padding:4px 2px}

.library-reading-actions {display:flex;align-items:center;gap:20px;}
.library-language {display:flex;gap:2px;border-radius:6px;background:var(--bg,#f3f6f8);padding:2px;}
.library-language button {border:0;background:transparent;color:var(--muted,#6e8295);padding:4px 10px;border-radius:4px;font:inherit;font-size:12px;cursor:pointer;}
.library-language button[aria-pressed="true"] {background:white;color:var(--ink,#203f57);box-shadow:0 1px 3px #203f5714;}
.library-language-note {max-width:850px;margin-left:auto;margin-right:auto;font-size:12px;color:var(--muted,#6e8295);line-height:1.7;}
.library-content-label {font-size:14px;margin:24px 0 8px;}

/* One reading header for all three source types. */
#reader-view .article-content {max-width:930px;padding:34px 40px 50px;}
#library-detail {padding:34px 40px 50px;}
.reader-heading {max-width:850px;margin:0 auto;}
.reader-heading h1 {font-size:28px;line-height:1.6;font-weight:700;letter-spacing:-.025em;color:var(--ink);margin:0 0 16px;}
.reader-heading h1:focus {outline:none;}
.reader-meta {display:flex;align-items:center;gap:16px;font-size:12px;color:var(--muted);padding-bottom:20px;margin-bottom:26px;border-bottom:1px solid var(--line);min-height:36px;}
.reader-meta>a {margin-left:auto;white-space:nowrap;color:var(--blue);}
.reading-toolbar,.library-workspace>.reading-pane>.reading-toolbar {padding:0 20px;min-height:46px;}
.reader-popover {position:relative;font-size:12px;}
.reader-popover>summary {list-style:none;cursor:pointer;display:flex;align-items:center;gap:7px;}
.reader-popover>summary::-webkit-details-marker {display:none;}
.reader-source svg {width:18px;height:18px;flex:none;}

.reader-popover-card {position:absolute;top:calc(100% + 12px);left:0;width:280px;padding:18px;background:white;border:1px solid var(--line);border-radius:8px;box-shadow:0 8px 28px #20364920;z-index:10;line-height:1.7;color:var(--ink);}
.reader-popover-card>strong,.reader-popover-card>a {display:block;margin:6px 0;}
.reader-popover-card dl>div {display:grid;grid-template-columns:76px 1fr;gap:8px;margin:8px 0;}
.reader-popover-card dd {margin:0;overflow-wrap:anywhere;}
.reader-popover-card dt,.reader-popover-card small {color:var(--muted);}
.reader-content-label,.patent-extra {max-width:850px;margin:20px auto 0;font-size:12px;color:var(--muted);}
.reader-content-label {display:flex;align-items:center;gap:7px;}
.reader-explanation {position:relative;}
.reader-explanation button {border:0;background:transparent;padding:0;color:inherit;font:inherit;}
.reader-explanation [role=tooltip] {display:none;position:absolute;left:0;bottom:calc(100% + 8px);width:280px;padding:10px 12px;background:white;border:1px solid var(--line);border-radius:6px;box-shadow:0 4px 18px #20364918;line-height:1.7;z-index:3;}
.reader-explanation:hover [role=tooltip],.reader-explanation:focus-within [role=tooltip] {display:block;}
.patent-extra summary {cursor:pointer;}

.reader-source>.reader-popover-card::before{content:"";position:absolute;left:0;right:0;top:-13px;height:13px}