:root{color-scheme:light;--navy:#0b304b;--ink:#19364c;--line:#d3dce4;--accent:#176695;font-family:system-ui,-apple-system,"Segoe UI",sans-serif;font-size:16px}
*{box-sizing:border-box}body{margin:0;color:var(--ink);background:#e6edf2}header{padding:18px 28px;background:var(--navy);color:white;display:flex;align-items:center;justify-content:space-between;gap:18px}.brand{font-size:22px;font-weight:750;letter-spacing:.03em}.brand span{font-size:16px;font-weight:450;letter-spacing:0;margin-left:20px}.edition{display:flex;align-items:center;gap:18px;font-size:14px}.edition strong{font-size:13px;background:#ffffff16;border:1px solid #ffffff40;padding:5px 10px;border-radius:4px;font-weight:500}main{height:calc(100dvh - 72px);min-height:450px;display:flex;flex-direction:column}.toolbar{display:flex;justify-content:space-between;gap:10px;padding:12px 28px;background:#f7fafc;border-bottom:1px solid var(--line)}.tools{display:flex;gap:6px;flex-wrap:wrap}button,a,input{font:inherit}button,.toolbar a{min-height:38px;border:1px solid var(--line);border-radius:5px;padding:7px 13px;background:white;color:var(--ink);text-decoration:none;cursor:pointer;font-size:14px;font-weight:550;white-space:nowrap}button:hover,.toolbar a:hover{background:#eaf2f8;border-color:#96b2c7}button:disabled{opacity:.45;cursor:default}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid #56a6df;outline-offset:3px}.toolbar a{background:var(--navy);color:white;border-color:var(--navy)}.toolbar a:hover{background:#174966;color:white}.stage{flex:1;min-height:0;display:flex;align-items:center;justify-content:center;position:relative;padding:18px 22px 12px;overflow:hidden;background:radial-gradient(ellipse at center,#f7fafb 0,#e3eaf0 75%)}#book{filter:drop-shadow(0 10px 15px #16334d25);flex-shrink:0}.page{background:#fff;position:relative;overflow:hidden}.page canvas{width:100%;height:100%;display:block}.page .paper-links{position:absolute;inset:0}.paper-links a{position:absolute;display:block;cursor:pointer;background:transparent;border-radius:1px}.paper-links a:hover{background:#228ed522;outline:1px solid #17669555}.paper-links a:focus-visible{background:#228ed522}.placeholder{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:#7e8a95;font-size:14px}#loading{position:absolute;text-align:center;padding:30px;z-index:20;background:#e6edf2d9;border-radius:8px;max-width:95%}#loading a{color:var(--accent)}footer{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:12px 28px 16px;font-size:14px}.navigation{display:flex;align-items:center;gap:10px}.navigation button{font-size:25px;padding:0;width:42px;line-height:1}.navigation input{width:65px;text-align:center;background:white;border:1px solid var(--line);border-radius:4px;padding:7px;font-size:14px}.hint{color:#536b7c;font-size:14px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}dialog{border:0;border-radius:9px;padding:0;color:var(--ink);width:min(610px,94vw);max-height:88dvh;box-shadow:0 20px 70px #0005}dialog::backdrop{background:#06223785}.dialog-head{padding:14px 18px;background:#f4f8fb;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:12px;position:sticky;top:0;z-index:5}.dialog-head h1{margin:0;font-size:18px;font-weight:650}.dialog-head button{font-size:22px;padding:0 10px;min-width:38px}.dialog-head>div{display:flex;gap:5px}#panelBody{padding:18px;overflow:auto;max-height:calc(88dvh - 70px)}.toc-item{display:flex;width:100%;text-align:left;justify-content:space-between;gap:20px;margin-bottom:4px;border:0;padding:10px 12px;background:#fff;font-weight:450;white-space:normal}.toc-item small{flex-shrink:0;color:#607b90;font-size:14px}.toc-item.level-1{font-weight:650;border-top:1px solid #edf1f5;margin-top:6px}.toc-item.level-2{padding-left:25px}.search-form{display:flex;gap:8px;margin-bottom:12px}.search-form input{min-width:0;flex:1;border:1px solid var(--line);border-radius:5px;padding:10px;font-size:16px}.search-note{font-size:14px;color:#536b7c}.result{width:100%;display:block;text-align:left;white-space:normal;padding:13px;margin-top:8px;font-weight:400;line-height:1.5}.result strong{display:block;font-size:14px;margin-bottom:5px}.result mark{background:#ffe8a0}#reader{width:min(1050px,96vw);height:94dvh;max-height:94dvh}#reader[open]{display:flex;flex-direction:column}.reader-scroll{overflow:auto;flex:1;min-height:0;background:#dbe4eb;padding:20px}#readerPage{margin:0 auto;box-shadow:0 5px 20px #18395022;flex-shrink:0}.reader-nav{display:flex;justify-content:space-between;background:#f4f8fb;padding:12px 18px}.reader-scroll:has(#readerPage[style*="width"]){text-align:left}
@media(max-width:700px){header{padding:13px 15px;align-items:flex-start}.brand{font-size:19px}.brand span{display:block;margin:4px 0 0;font-size:14px}.edition{flex-direction:column;gap:4px;align-items:flex-end;font-size:12px}.edition strong{font-size:12px;padding:4px 6px}main{height:calc(100dvh - 81px)}.toolbar{padding:8px 10px;gap:5px}.tools{gap:4px}button,.toolbar a{font-size:14px;padding:6px 8px}.tools #fullscreen{display:none}.stage{padding:12px 8px}footer{padding:8px 12px 14px;flex-direction:column;gap:7px}.hint{font-size:12px}.navigation{gap:9px}#reader{width:98vw}.reader-scroll{padding:10px}.dialog-head{padding:12px}}
body{height:100dvh;display:flex;flex-direction:column}header{flex-shrink:0}main{height:auto;flex:1;min-height:450px}
.stage{padding-left:207px;padding-right:207px}.book-tabs{position:absolute;width:185px;z-index:15;overflow-y:auto;overflow-x:hidden;scrollbar-width:thin;scrollbar-color:#9bb0c0 transparent;padding:1px 4px 3px 0;overscroll-behavior:contain}.book-tabs[hidden]{display:none}.book-tab{border-radius:0 5px 5px 0;border:1px solid #9db2c3;border-left:0;background:linear-gradient(90deg,#cad9e5,#e1eaf1);color:#244f6b;box-shadow:2px 2px 3px #0b304b16;padding:3px 6px;min-height:24px;font-size:14px;font-weight:600;line-height:1.2;margin:1px 0;width:100%;text-align:left;white-space:normal}.book-tab:hover{background:#f8fcff;color:#0b304b;border-color:#5c88a7;transform:translateX(2px)}.book-tab.active{background:#0b304b;color:white;border-color:#0b304b;box-shadow:2px 2px 4px #0b304b38}.tab-heading{font-size:12px;color:#587082;text-align:center;padding:4px 0}.article-tabs,.other-tabs{display:flex;flex-direction:column;position:relative}.book-tab:focus-visible{outline-offset:-3px}.left-tabs{padding:1px 0 3px 4px}.left-tabs .book-tab{padding-right:19px;border-left:1px solid #9db2c3;border-right:0;border-radius:5px 0 0 5px;background:linear-gradient(90deg,#e1eaf1,#cad9e5)}.left-tabs .book-tab:hover{transform:translateX(-2px);background:#f8fcff}.left-tabs .book-tab.active{background:#0b304b;border-color:#0b304b}.wire-binding{position:absolute;z-index:16;pointer-events:none;transform:translateX(-50%);width:32px;display:flex;flex-direction:column;justify-content:space-between;filter:drop-shadow(1px 2px 1px #142e4960)}.wire-binding[hidden]{display:none}.wire-pair{position:relative;display:block;width:32px;height:19px}.wire-pair::before,.wire-pair::after{content:"";position:absolute;top:5px;width:4px;height:11px;border-radius:50%;background:#40505d;box-shadow:inset 1px 0 1px #152331,0 0 0 1px #f1f4f6}.wire-pair::before{left:3px}.wire-pair::after{right:3px}.wire-pair i{position:absolute;left:0;width:32px;height:8px;border:2px solid #95a0a9;border-left-color:#f8fbff;border-top-color:#dbe2e8;border-right-color:#43515e;border-bottom-color:#71818e;border-radius:50%;box-shadow:0 1px 0 #2a3d4c,inset 0 1px 1px #ffffff80}.wire-pair i:first-child{top:0}.wire-pair i:last-child{top:11px}#sections{display:none}#sound{align-self:flex-start}
@media(max-width:700px){.stage{padding-left:8px;padding-right:8px}.book-tabs{display:none!important}#sections{display:block}.toolbar{flex-wrap:wrap}.toolbar .tools{flex:1;min-width:220px}.wire-binding{width:26px}.wire-pair{width:26px}.wire-pair i{width:26px}}
.page[data-watermark]::after{content:attr(data-watermark);position:absolute;top:50%;left:50%;width:max-content;transform:translate(-50%,-50%) rotate(-45deg);font-family:Arial,sans-serif;font-size:calc(var(--page-display-width,500px)*.3);font-weight:700;line-height:1;letter-spacing:.045em;color:rgba(109,127,141,.18);pointer-events:none;z-index:3;user-select:none}
.reading-controls{display:flex;align-items:center;gap:16px}#closeBook{min-height:38px} @media(max-width:700px){.reading-controls{flex-wrap:wrap;justify-content:center;gap:8px 14px}}
.navigation select{font:inherit;font-size:14px;min-height:38px;background:white;border:1px solid var(--line);border-radius:4px;padding:6px;color:var(--ink)}.navigation input{width:76px}.navigation input[aria-invalid=true]{border-color:#b6463b;outline-color:#b6463b}.search-highlights{position:absolute;inset:0;pointer-events:none;z-index:1}.search-match{position:absolute;background:#ffdf594d;box-shadow:inset 0 0 0 1px #c78f1c70;border-radius:2px;pointer-events:none}footer{flex-wrap:wrap}.navigation{flex-wrap:wrap;justify-content:center}.tools button[hidden]{display:none}.navigation input[type=text]{min-height:38px} @media(max-width:700px){.navigation{max-width:100%;gap:7px}.navigation #previous{order:1}.navigation #pageMode{order:2}.navigation #page{order:3}.navigation #next{order:4}.navigation #pageCount{order:5;flex-basis:100%;text-align:center}.navigation input{width:65px}.reading-controls{width:100%}.hint{white-space:normal;text-align:center}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}

/* Balanced navigation, shared tab spacing, and prominent page turns. */
.book-tabs{display:flex;flex-direction:column;gap:2px;padding:0 4px 0 0}
.left-tabs{padding:0 0 0 4px}
.left-tabs .book-tab{padding-right:6px}
.book-tabs .article-tabs,.book-tabs .other-tabs{display:contents}
.book-tabs .book-tab{flex:none;min-height:26px;margin:0;padding-top:3px;padding-bottom:3px}
.book-tabs .tab-heading{flex:none;padding:3px 0;line-height:1.2;white-space:nowrap}
.book-tabs[data-density=compact]{gap:1px}
.book-tabs[data-density=compact] .book-tab{min-height:24px;padding-top:2px;padding-bottom:2px}
.book-tabs[data-density=tight]{gap:0}
.book-tabs[data-density=tight] .book-tab{min-height:24px;padding-top:1px;padding-bottom:1px}
.book-tab.active{box-shadow:inset -4px 0 #7ad5d3,2px 2px 4px #0b304b38}
.left-tabs .book-tab.active{box-shadow:inset 4px 0 #7ad5d3,2px 2px 4px #0b304b38}
footer{display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);align-items:center;gap:16px;padding:10px 24px 12px;flex:none}
footer .navigation{justify-content:flex-start;gap:6px;min-width:0}
footer .navigation input{width:66px}
footer #pageCount{color:#536b7c;font-size:12px;flex-basis:100%}
.page-turns{display:grid;grid-template-columns:1fr minmax(94px,auto) 1fr;align-items:center;gap:10px}
.turn-button{display:flex;align-items:center;justify-content:center;gap:10px;min-width:164px;min-height:48px;padding:10px 15px;border-color:var(--navy);background:var(--navy);color:#fff;font-size:15px;font-weight:650;line-height:1.2;touch-action:manipulation}
.turn-button:hover{background:#174966;color:#fff;border-color:#174966}
.turn-button:disabled{opacity:1;background:#dce5ec;border-color:#c9d5df;color:#8094a3}
.turn-button>span[aria-hidden]{font-size:23px;line-height:1}
.turn-mobile{display:none}
#spreadRange{display:block;min-width:94px;text-align:center;font-size:16px;font-weight:650;font-variant-numeric:tabular-nums;white-space:nowrap}
.secondary-controls{justify-self:end;max-width:260px;text-align:right}
.secondary-controls #closeBook{background:transparent;font-size:13px;min-height:32px;padding:5px 10px}
.secondary-controls .hint{font-size:11px;line-height:1.25;margin-top:4px;white-space:normal}
@media(max-width:1100px) and (min-width:701px){footer{gap:10px;padding-left:14px;padding-right:14px}.turn-button{min-width:144px;padding:10px;gap:6px}.page-turns{gap:6px}.secondary-controls .hint{display:none}footer .navigation select{max-width:130px}}
@media(min-width:701px) and (max-width:900px){footer .navigation{gap:4px}footer .navigation select{width:100px;font-size:12px;min-height:34px;padding:4px}footer .navigation input{width:46px;font-size:12px;min-height:34px;padding:4px}}
@media(max-width:700px){main{min-height:0}footer{grid-template-columns:minmax(0,1fr) auto;gap:8px 10px;padding:8px 12px 10px}.page-turns{grid-column:1/-1;grid-row:1;width:100%;grid-template-columns:minmax(0,1fr) minmax(70px,auto) minmax(0,1fr);gap:8px}.turn-button{min-width:0;min-height:46px;padding:9px 8px;font-size:14px;gap:6px}.turn-desktop{display:none}.turn-mobile{display:inline}#spreadRange{min-width:70px;font-size:14px}footer .navigation{grid-column:1;grid-row:2;justify-content:flex-start;gap:5px}footer .navigation #pageMode,footer .navigation #page,footer .navigation #pageCount{order:initial}footer .navigation select{font-size:12px;max-width:116px;min-height:34px;padding:4px}footer .navigation input{font-size:12px;width:56px;min-height:34px!important;padding:4px}footer .navigation #pageCount{flex-basis:100%;font-size:10px;text-align:left}.secondary-controls{grid-column:2;grid-row:2}.secondary-controls #closeBook{font-size:12px;min-height:34px;padding:5px 8px}.secondary-controls .hint{display:none}}
@media(max-width:360px){footer #pageCount{flex-basis:100%}.page-turns{gap:5px}.turn-button{font-size:13px}}

/* Preserve native pinch zoom in the normal reader as well as the Zoom dialog. */
#book.stf__parent{touch-action:pan-y pinch-zoom}
html.browser-zoomed #book.stf__parent{touch-action:auto}

/* Compact reading tools and optional on-device reading position. */
.resume-prompt{display:flex;flex:none;align-items:center;justify-content:space-between;gap:10px;padding:7px 24px;border-bottom:1px solid #c4d9e3;background:#edf7f7;font-size:14px}
.resume-prompt[hidden]{display:none}
.resume-prompt>div{display:flex;align-items:center;gap:6px}
#resumeReading{background:var(--navy);border-color:var(--navy);color:white;min-height:34px;padding:5px 12px}
#dismissResume{background:transparent;border-color:transparent;font-size:22px;min-height:34px;padding:0 8px}
.reader-nav{display:grid;grid-template-columns:auto 1fr 1fr auto;align-items:center;gap:8px}
.reader-nav button{min-height:40px}
#readerShare{justify-self:center}
#readerNext{justify-self:end}
.share-body{padding:18px;display:grid;gap:12px}
.share-body p{margin:0;font-size:15px;line-height:1.5}
#shareUrl{width:100%;min-width:0;border:1px solid var(--line);border-radius:5px;padding:10px;font-size:16px}
#copyShare{justify-self:start}
@media(max-width:700px){.toolbar .tools{display:contents}.resume-prompt{padding:6px 10px;font-size:12px;gap:6px}.reader-nav{padding:9px 10px;gap:5px}.reader-nav button{font-size:13px;padding:6px 8px}.resume-prompt>span{min-width:0}}
@media(max-width:360px){.reader-nav{grid-template-columns:repeat(2,minmax(0,1fr));gap:6px}.reader-nav button{width:100%}#readerBack{grid-column:1;grid-row:1}#readerShare{grid-column:2;grid-row:1;justify-self:stretch}#readerPrev{grid-column:1;grid-row:2}#readerNext{grid-column:2;grid-row:2;justify-self:stretch}}

/* Selectable text uses Mozilla PDF.js TextLayer (Apache License 2.0).
 * Layout adapted from Mozilla Foundation's text_layer_builder.css, copyright
 * 2014 Mozilla Foundation. https://www.apache.org/licenses/LICENSE-2.0 */
.page canvas{user-select:none;-webkit-user-select:none}
.page .paper-links{z-index:1;pointer-events:none}
.page .paper-links a{pointer-events:auto}
.page .textLayer{position:absolute;inset:0;overflow:clip;text-align:initial;line-height:1;opacity:1;text-size-adjust:none;-webkit-text-size-adjust:none;forced-color-adjust:none;transform-origin:0 0;caret-color:CanvasText;z-index:2;user-select:text;-webkit-user-select:text;--total-scale-factor:var(--pdf-text-scale,1);--scale-round-x:1px;--scale-round-y:1px}
.textLayer :is(span,br){color:transparent;position:absolute;white-space:pre;cursor:text;transform-origin:0 0;user-select:text;-webkit-user-select:text}
.textLayer span.markedContent{top:0;height:0}
.textLayer span[role=img]{user-select:none;cursor:default}
.textLayer .markedContent span:not(.markedContent),.textLayer>:not(.markedContent){z-index:1}
.textLayer.over-link,.textLayer.over-link span{cursor:pointer}
.textLayer ::selection{background:#1b75c94d;color:transparent}
.textLayer br::selection{background:transparent}
.hiddenCanvasElement{display:none!important}
.quick-topics{margin-bottom:20px;padding-bottom:20px;border-bottom:1px solid var(--line)}
.quick-topics h2,.contents-outline h2{font-size:15px;font-weight:650;margin:0 0 12px}
.quick-topics-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
.quick-topic{display:block;min-width:0;min-height:66px;padding:10px 12px;text-align:left;white-space:normal;background:#eff7fb;border:1px solid #d3dce4;border-left:3px solid #108551}
.quick-topic:hover{background:#e3f0f7;border-color:#176695}
.quick-topic strong{display:block;font-size:14px;font-weight:600;line-height:1.3}
.quick-topic small{display:block;font-size:12px;font-weight:400;color:#536b7c;margin-top:4px;line-height:1.3}
@media(max-width:420px){#panelBody{padding:14px 12px}.quick-topic{padding:9px;min-height:76px}.quick-topic strong{font-size:13px}.quick-topic small{font-size:11px}}

/* Spacious Topics & Articles navigation; shared Search dialog stays compact. */
.toolbar #sections{display:none}
#panel.topics-panel{width:min(1280px,94vw);height:min(980px,90dvh);max-width:94vw;max-height:90dvh;margin:auto;overflow:hidden}
#panel.topics-panel[open]{display:flex;flex-direction:column}
#panel.topics-panel .dialog-head{flex:none;min-height:64px;padding:12px 22px}
#panel.topics-panel #panelBody{display:grid;grid-template-columns:316px minmax(0,1fr);flex:1;min-height:0;max-height:none;overflow:hidden;padding:0}
#panel.topics-panel .directory-loading{margin:20px}
#panel.topics-panel .quick-topics{padding:18px 18px 20px;margin:0;border:0;border-right:1px solid var(--line);min-width:0;min-height:0;overflow:auto;background:#f6f9fb;scrollbar-width:thin}
#panel.topics-panel h2{font-size:15px;line-height:1.3;font-weight:650;margin:0 0 12px}
#panel.topics-panel .quick-topics-grid{display:flex;flex-direction:column;gap:5px}
#panel.topics-panel .quick-topic{min-height:36px;padding:7px 9px;border:1px solid #d4e0e8;background:#fff;border-radius:5px;white-space:nowrap;width:100%;text-align:left}
#panel.topics-panel .quick-topic strong{display:block;font-size:14px;line-height:20px;font-weight:550;white-space:nowrap}
#panel.topics-panel .quick-topic:hover{background:#eaf3f8;border-color:#94b6cc}
#panel.topics-panel .topics-directory{min-width:0;min-height:0;overflow:auto;padding:18px 22px 20px;scrollbar-width:thin}
#panel.topics-panel .directory-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:8px}
#panel.topics-panel .directory-heading h2{margin:0}
#panel.topics-panel .directory-articles{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 20px}
#panel.topics-panel .directory-column{min-width:0;display:flex;flex-direction:column}
#panel.topics-panel .directory-item{display:flex;align-items:center;gap:8px;text-align:left;white-space:normal;font-size:14px;font-weight:450;line-height:1.25;width:100%;min-height:32px;padding:5px 8px;border:1px solid transparent;border-bottom-color:#e5ecf1;border-radius:3px;background:transparent;min-width:0}
#panel.topics-panel .directory-item:hover{background:#edf5f9;border-color:#c7dbe7}
#panel.topics-panel .directory-number{flex:none;width:24px;font-size:12px;color:#526e82;font-variant-numeric:tabular-nums}
#panel.topics-panel .directory-name{min-width:0}
#panel.topics-panel .directory-item[aria-current=location]{background:#e5f2f4;border-color:#92c6cb;box-shadow:inset 3px 0 #168791;color:#0b304b;font-weight:650}
#panel.topics-panel .directory-item[aria-current=location] .directory-number{color:#0b304b;font-weight:650}
#panel.topics-panel .directory-contents{width:auto;min-height:30px;border-color:#d4e0e8;background:#fff;font-size:12px;white-space:nowrap;padding:5px 9px}
#panel.topics-panel .directory-extras{margin-top:18px;padding-top:14px;border-top:1px solid var(--line)}
#panel.topics-panel .directory-extras h2{margin-bottom:8px}
#panel.topics-panel .directory-extra-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:4px 8px}
#panel.topics-panel .directory-extra-grid .directory-item{border-color:#dce6ed;min-height:34px}
#panel.topics-panel .directory-front{margin-top:12px}
#panel.topics-panel .directory-front .directory-item{width:auto;font-size:12px;color:#37607e;border-bottom-color:transparent;padding-left:0}
@media(max-width:1100px){#panel.topics-panel #panelBody{grid-template-columns:306px minmax(0,1fr)}#panel.topics-panel .topics-directory{padding-left:16px;padding-right:16px}#panel.topics-panel .quick-topics{padding-left:14px;padding-right:14px}#panel.topics-panel .directory-articles{column-gap:10px}#panel.topics-panel .directory-extra-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:900px){#panel.topics-panel #panelBody{display:block;overflow:auto}#panel.topics-panel .quick-topics{overflow:visible;border-right:0;border-bottom:1px solid var(--line);padding:16px 20px}#panel.topics-panel .quick-topics-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px 10px}#panel.topics-panel .topics-directory{overflow:visible;padding:18px 20px 20px}}
@media(max-width:700px){#panel.topics-panel{inset:0;width:100vw;max-width:100vw;height:100dvh;max-height:100dvh;margin:0;border-radius:0}#panel.topics-panel .dialog-head{padding:12px 16px;padding-top:max(12px,env(safe-area-inset-top));min-height:64px}#panel.topics-panel .dialog-head h1{font-size:18px}#panel.topics-panel .dialog-head button{min-width:44px;min-height:44px}#panel.topics-panel .quick-topics{padding:16px}#panel.topics-panel .quick-topics-grid{display:flex;gap:5px}#panel.topics-panel .quick-topic{min-height:40px;padding:8px 10px}#panel.topics-panel .quick-topic strong{font-size:14px;line-height:20px}#panel.topics-panel .topics-directory{padding:18px 16px max(20px,env(safe-area-inset-bottom))}#panel.topics-panel .directory-articles{display:block}#panel.topics-panel .directory-item{min-height:40px;padding:8px;font-size:14px}#panel.topics-panel .directory-heading{align-items:center;gap:8px}#panel.topics-panel .directory-contents{font-size:12px;min-height:34px;padding:6px 8px}#panel.topics-panel .directory-extra-grid{grid-template-columns:minmax(0,1fr)}#panel.topics-panel .directory-front .directory-item{font-size:13px}}
@media(pointer:coarse){#panel.topics-panel .quick-topic,#panel.topics-panel .directory-item{min-height:44px}}

/* Personal reading views stay inside Topics & Articles. */
.panel-views{display:none}
#panel.topics-panel .panel-views{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));flex:none;gap:4px;padding:8px 22px;background:#f4f8fb;border-bottom:1px solid var(--line)}
.panel-views button{min-width:0;min-height:40px;padding:7px 10px;white-space:normal;border-color:transparent;background:transparent}
.panel-views button[aria-selected=true]{background:#0b304b;color:white;border-color:#0b304b;box-shadow:inset 0 -3px #38cb8b}
#panel.topics-panel #panelBody:not([data-view=directory]){display:block;overflow:auto;padding:22px}
.personal-workspace{width:100%;max-width:980px;margin:0 auto}
#panel.topics-panel .personal-workspace>h2{font-size:21px;margin-bottom:8px}
.personal-intro{margin:0 0 20px;line-height:1.5;font-size:15px}
.save-page-form{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px 12px;padding:16px;background:#f4f8fb;border:1px solid var(--line);border-radius:7px}
.save-page-form label{font-size:14px;font-weight:650;grid-column:1/-1}
.save-page-form .personal-detail{margin:0 0 4px;grid-column:1/-1}
.save-page-form input{width:100%;min-width:0;font-size:16px;border:1px solid #8da7ba;border-radius:5px;padding:9px 11px;color:var(--ink);background:white}
button.personal-primary{background:#0b304b;color:#fff;border-color:#0b304b}
.personal-feedback{font-size:14px;line-height:1.5;margin:12px 0;color:#175d43;min-height:21px}
.personal-list{list-style:none;padding:0;margin:16px 0;display:flex;flex-direction:column;gap:8px}
.personal-row{display:flex;align-items:center;gap:8px;padding:6px;border:1px solid var(--line);border-radius:7px;min-width:0}
.personal-open{display:flex;flex:1;min-width:0;flex-direction:column;gap:4px;align-items:flex-start;border-color:transparent;text-align:left;white-space:normal;font-weight:400}
.personal-open strong{overflow-wrap:anywhere;font-size:15px;line-height:1.4}
.personal-detail,.personal-time{font-size:13px;line-height:1.5;color:#405e73;white-space:normal;overflow-wrap:anywhere}
.personal-time{font-size:12px}
.personal-action{flex:none;font-size:13px;padding:7px 10px}
.personal-note,.personal-empty{font-size:14px;line-height:1.6;color:#405e73}
.personal-note{margin-top:24px;padding-top:16px;border-top:1px solid var(--line)}
.personal-cancel,.personal-clear{white-space:normal;text-align:left}
.help-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.help-card{padding:16px;border:1px solid var(--line);border-radius:7px;background:#f9fbfd}
.help-card h3{font-size:16px;line-height:1.4;margin:0 0 8px}
.help-card p{font-size:14px;line-height:1.65;margin:0}
.help-keyboard{grid-column:1/-1}
.help-keyboard dl{display:grid;grid-template-columns:auto minmax(0,1fr);gap:8px 20px;margin:0;font-size:14px;line-height:1.5}
.help-keyboard dt{font-weight:650}.help-keyboard dd{margin:0}
/* High-contrast focus, contained scroll areas, and readable touch controls. */
:is(button,a,input,select,[tabindex]):focus-visible{outline:3px solid #005daa;outline-offset:2px;box-shadow:0 0 0 2px white}
#panelBody:focus-visible,.book-tab:focus-visible,.paper-links a:focus-visible{outline-offset:-3px}
#panelBody,.topics-directory,.quick-topics,.reader-scroll{overscroll-behavior:contain;scroll-padding:8px}
.skip-reader{position:fixed;top:8px;left:8px;z-index:100;background:white;color:#0b304b;padding:10px 14px;border:2px solid #005daa;border-radius:5px;transform:translateY(-180%)}
.skip-reader:focus{transform:none}
@media(max-width:700px){
  #panel.topics-panel .panel-views{grid-template-columns:repeat(2,minmax(0,1fr));padding:8px 12px;gap:5px}
  .panel-views button{font-size:13px;min-height:42px;padding:8px 5px}
  #panel.topics-panel #panelBody:not([data-view=directory]){padding:18px 16px max(20px,env(safe-area-inset-bottom))}
  .personal-intro{font-size:14px;margin-bottom:16px}
  .save-page-form{grid-template-columns:minmax(0,1fr);padding:12px}
  .save-page-form .personal-primary{justify-self:start}
  .personal-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:4px}
  .personal-open{grid-column:1/-1;width:100%}
  .personal-action{width:100%}
  .help-grid{grid-template-columns:minmax(0,1fr)}
  .help-keyboard dl{grid-template-columns:minmax(0,1fr);gap:4px}.help-keyboard dd{margin-bottom:10px}
}
@media(pointer:coarse){
  button,.toolbar button,.book-tabs .book-tab,footer button,footer #page,footer #pageMode,.dialog-head button,.reader-nav button,#panel button,#shareDialog button{min-height:44px}
  #panel.topics-panel .directory-extra-grid .directory-item{min-height:44px}
}
@media(prefers-reduced-motion:reduce){.book-tab:hover{transform:none}}
@media(forced-colors:active){
  :is(button,a,input,select,[tabindex]):focus-visible{outline-color:Highlight;box-shadow:none}
  .panel-views button[aria-selected=true],.directory-item[aria-current=location],.book-tab.active{border:2px solid Highlight}
}

.search-navigation{flex:none;display:grid;grid-template-columns:minmax(0,1fr) auto auto;align-items:center;gap:10px;padding:7px 24px;border-bottom:1px solid #c6d9e5;background:#f0f7fb}
.search-navigation[hidden]{display:none}
.search-phrase{font-size:14px;font-weight:600;white-space:nowrap;text-overflow:ellipsis;overflow:hidden;min-width:0}
.match-controls{display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);align-items:center;gap:10px}
.match-controls button,.search-navigation>button{font-size:13px;min-height:36px;padding:6px 10px}
.match-controls output{font-size:13px;min-width:100px;text-align:center;font-variant-numeric:tabular-nums}
.search-match.current-match{background:#ffbc4680;box-shadow:inset 0 0 0 2px #9b4c00;border-radius:2px}
#reader .search-navigation{padding:8px 18px}
.section-jump{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px;margin-top:22px;padding-top:18px;border-top:1px solid var(--line)}
.section-jump label{grid-column:1/-1;font-size:14px;font-weight:650}
.section-jump input{width:100%;min-width:0;font-size:16px;padding:8px 9px;border:1px solid #8da7ba;border-radius:5px;background:white;color:var(--ink)}
.section-jump p{grid-column:1/-1;font-size:12px;line-height:1.5;margin:0;color:#405e73}
.section-jump input[aria-invalid=true]{border-color:#a9312b}
.section-result{display:block;width:100%;margin:8px 0 16px;text-align:left;white-space:normal;padding:13px;background:#edf7f3;border:1px solid #86bfa8;line-height:1.5}
.section-result strong,.section-result span{display:block}
.section-result span{font-size:13px;font-weight:400;margin-top:4px}
.result small{display:block;font-size:12px;color:#405e73;margin-top:5px}
.personal-open.recent-open{display:grid;grid-template-columns:64px minmax(0,1fr);gap:16px;align-items:center}
.recent-copy{min-width:0;display:flex;flex-direction:column;gap:4px}
.recent-thumb{position:relative;display:flex;align-items:center;justify-content:center;flex:none;width:64px;height:99px;overflow:hidden;border:1px solid #c4d2dd;border-radius:2px;background:white;box-shadow:0 2px 5px #19364c20;color:#536b7c;font-size:9px;text-align:center;--page-display-width:64px}
.recent-thumb canvas{display:block;width:100%;height:100%}
.recent-thumb:empty::before{content:'Preview…'}
@media(max-width:900px){.search-navigation{grid-template-columns:minmax(0,1fr) auto;gap:6px 10px;padding:7px 12px}.search-navigation .match-controls{grid-column:1/-1;grid-row:2}.search-navigation>button{grid-column:2;grid-row:1}#reader .search-navigation{padding:7px 12px}.match-controls{gap:6px}}
@media(max-width:700px){.match-controls button{white-space:normal;padding:6px;font-size:12px}.match-controls output{font-size:12px;min-width:88px}.search-phrase{font-size:13px}.personal-open.recent-open{grid-template-columns:56px minmax(0,1fr);gap:12px}.recent-thumb{width:56px;height:87px;--page-display-width:56px}.section-jump{margin-top:18px}}
/* A compact find bar leaves more of the page visible on phones. */
@media(max-width:700px){
  .search-navigation,#reader .search-navigation{grid-template-columns:minmax(0,1fr) 44px;gap:4px;padding:6px 10px}
  .search-navigation .search-phrase{display:none}
  .search-navigation .match-controls{grid-column:1;grid-row:1;grid-template-columns:44px minmax(0,1fr) 44px;gap:4px}
  .match-controls output{min-width:0;font-size:12px;line-height:17px;white-space:nowrap;overflow:hidden}
  .match-controls output::before{content:attr(data-query);display:block;font-size:11px;line-height:15px;font-weight:600;overflow:hidden;text-overflow:ellipsis}
  .search-navigation .match-controls button,.search-navigation>button{min-height:44px;width:44px;font-size:0;padding:0}
  .match-controls button::before{font-size:24px;line-height:1}
  .match-controls button:first-child::before{content:'↑'}
  .match-controls button:last-child::before{content:'↓'}
  .search-navigation>button{grid-column:2;grid-row:1}
  .search-navigation>button::before{content:'×';font-size:25px;line-height:1}
}
@media(pointer:coarse){.search-navigation button{min-height:44px}}
@media(forced-colors:active){.search-match.current-match{outline:2px solid Highlight;background:Highlight;opacity:.6}}

/* Compact, numerically ordered references beside each Quick Topic. */
#panel.topics-panel #panelBody{grid-template-columns:344px minmax(0,1fr)}
#panel.topics-panel .quick-topic{display:grid;grid-template-columns:54px minmax(0,1fr);align-items:center;gap:7px;padding:7px}
.quick-topic-section{font-size:12px;line-height:20px;font-weight:600;color:#405e73;font-variant-numeric:tabular-nums}
#panel.topics-panel .quick-topic strong{min-width:0}
.quick-topic[aria-busy=true]{background:#edf5f9}
.topic-highlight{position:absolute;background:#7cdaac45;border-radius:2px;pointer-events:none}
.search-navigation.topic-mode .match-controls{grid-template-columns:minmax(0,1fr)}
.search-navigation.topic-mode.multiple-topic-pages .match-controls{grid-template-columns:minmax(0,1fr) auto minmax(0,1fr)}
.search-navigation button[hidden]{display:none}
/* The editable number and PDF total form a single non-wrapping control. */
footer .page-entry{display:inline-flex;align-items:center;flex:none;white-space:nowrap;background:white;border:1px solid var(--line);border-radius:4px;min-width:0}
footer .page-entry #page{border:0;border-radius:4px;width:64px;min-width:0}
footer #pdfPageTotal{flex:none;padding-right:9px;font-size:13px;color:#405e73}
footer #pdfPageTotal[hidden],footer #pageCount[hidden]{display:none}
footer[data-numbering=pdf] .navigation{flex-wrap:nowrap}
footer[data-numbering=pdf] .page-entry #page{width:48px}
@media(min-width:701px) and (max-width:900px){footer .page-entry #page{width:46px}footer[data-numbering=pdf] .page-entry #page{width:40px}footer #pdfPageTotal{font-size:12px;padding-right:6px}}
@media(max-width:1100px){#panel.topics-panel #panelBody{grid-template-columns:334px minmax(0,1fr)}}
@media(max-width:700px){
  footer .page-entry #page{width:56px;min-height:34px}
  footer[data-numbering=pdf] .navigation #pageMode{width:98px;max-width:98px}
  footer[data-numbering=pdf] .page-entry #page{width:42px}
  footer #pdfPageTotal{font-size:12px;padding-right:6px}
  #spreadRange{max-width:126px;line-height:1.25;white-space:normal}
  .search-navigation.topic-mode .match-controls{grid-template-columns:minmax(0,1fr)}
  .search-navigation.topic-mode.multiple-topic-pages .match-controls{grid-template-columns:44px minmax(0,1fr) 44px}
}
@media(max-width:360px){#spreadRange{max-width:100px}#panel.topics-panel .quick-topic strong{font-size:13px}}
@media(pointer:coarse){footer .page-entry #page{min-height:44px!important}}
@media(forced-colors:active){.topic-highlight{background:Highlight;opacity:.3;outline:1px solid Highlight}}

/* Amber is reinforced by heading underlines and a dark margin marker. The
   multiply blend keeps the PDF's black text black underneath the tint. */
.search-highlights{mix-blend-mode:multiply}
.topic-highlight{background:rgba(255,211,78,.48);border-radius:2px;outline:0}
.destination-margin{position:absolute;width:.6%;min-width:2px;max-width:4px;border-radius:2px;background:#8a4b00;pointer-events:none}
.destination-underline{position:absolute;height:2px;min-height:2px;border-radius:1px;background:#8a4b00;pointer-events:none}
@media(forced-colors:active){
  .topic-highlight{background:Highlight;opacity:.28;outline:0}
  .destination-margin,.destination-underline{background:CanvasText;forced-color-adjust:none}
}

/* Keep longer Quick Topic titles on one line at the existing text sizes. */
@media(min-width:901px){#panel.topics-panel #panelBody{grid-template-columns:368px minmax(0,1fr)}}
@media(min-width:901px) and (max-width:1100px){#panel.topics-panel #panelBody{grid-template-columns:358px minmax(0,1fr)}}
@media(min-width:701px) and (max-width:800px){#panel.topics-panel .quick-topics-grid{grid-template-columns:minmax(0,1fr)}}
@media(max-width:360px){#panel.topics-panel .quick-topics{padding-left:10px;padding-right:10px}#panel.topics-panel .quick-topic{grid-template-columns:48px minmax(0,1fr);column-gap:5px}}

.cba-privacy-link{display:inline-block;margin-left:4px;padding:4px 3px;color:#0d547c;font-size:12px}