:root{font-family:Arial,Helvetica,sans-serif;color:#153c50;background:#e5ecf0;color-scheme:light;--blue:#006faa;--ink:#123b51;--line:#dbe5ec;--soft:#f3f7fa}

*{box-sizing:border-box}body{margin:0;height:100vh;height:100dvh;display:flex;flex-direction:column;overflow:hidden}[hidden]{display:none!important}button,input,select{font:inherit;color:inherit}a{color:var(--blue);text-underline-offset:3px}button{cursor:pointer}button,a,input,select{-webkit-tap-highlight-color:transparent}button{min-width:38px;min-height:38px;border:1px solid transparent;background:transparent;border-radius:7px;padding:7px;display:inline-flex;align-items:center;justify-content:center;gap:8px}button:hover:not(:disabled){background:#e8f2f8;color:var(--blue)}button:disabled{opacity:.35;cursor:default}button[aria-pressed=true],button[aria-expanded=true]{background:#e4f1f8;color:#00639c}svg{width:20px;height:20px;stroke:currentColor;stroke-width:1.65;fill:none;stroke-linecap:round;stroke-linejoin:round;flex:none}:focus-visible{outline:3px solid #0075b5;outline-offset:2px}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}.skip{position:fixed;z-index:100;left:12px;top:-70px;background:#fff;padding:12px}.skip:focus{top:8px}

.masthead{flex:none;min-height:80px;display:flex;align-items:center;gap:22px;background:#fff;padding:14px 28px;border-bottom:1px solid var(--line)}.brand{display:block;flex:none}.brand img{display:block;width:65px;height:auto}.identity{min-width:0;flex:1;border-left:1px solid var(--line);padding-left:22px}.eyebrow{font-size:9px;letter-spacing:.17em;font-weight:700;color:#638090}.identity h1{font-size:18px;line-height:1.3;margin:6px 0 0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.file-actions{display:flex;align-items:center;gap:24px;font-size:12px}.file-actions a{display:flex;gap:9px;align-items:center;text-decoration:none;min-height:42px}.overview{color:#4d697a}.overview:hover{color:var(--blue)}.file-actions .download{padding:10px 16px;background:var(--blue);color:#fff;border-radius:7px;font-weight:700;box-shadow:0 2px 4px #004c7110}.download:hover{background:#005a8b}.download svg{width:17px;height:17px}

.toolbar{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px;flex:none;background:#fff;border-bottom:1px solid var(--line);padding:7px 24px;font-size:12px;z-index:2}.tools{display:flex;align-items:center;gap:4px}.tools.end{justify-content:flex-end}.button-text{margin-right:4px}.pagination{gap:10px}.pagination input{appearance:textfield;background:var(--soft);border:1px solid var(--line);border-radius:6px;width:47px;height:34px;text-align:center;font-size:13px}.pagination input::-webkit-inner-spin-button{appearance:none}#total{min-width:35px;color:#647c8a;white-space:nowrap}.zoom-tools{display:flex;align-items:center;margin-right:12px}#zoom{font-size:12px;width:120px;padding:8px 3px;background:transparent;border:1px solid transparent;border-radius:6px}#zoom:hover{background:var(--soft)}#zoomIn,#zoomOut{font-size:21px}

#findbar{flex:none;display:flex;align-items:center;gap:6px;padding:9px 24px;background:#f7fafc;border-bottom:1px solid var(--line);margin:0;font-size:12px}#query{width:420px;max-width:100%;min-width:0;height:38px;border:1px solid #aec7d7;border-radius:6px;padding:8px 12px}#matches{color:#547182;min-width:60px;margin:0 10px}#findClose{margin-left:auto;font-size:24px}

.workspace{flex:1;min-height:0;display:flex;position:relative}.stage{flex:1;min-width:0;position:relative;background:radial-gradient(ellipse at 50% 10%,#eef3f6,#dfe7ec)}#viewerContainer{position:absolute;inset:0;overflow:auto;overscroll-behavior:contain;scrollbar-color:#a7bac6 transparent;scrollbar-width:thin}.pdfViewer{padding:22px 0;--page-margin:0 auto 20px;--page-border:0px solid transparent}.pdfViewer .page{box-sizing:content-box;box-shadow:0 3px 18px #18384d20;border:0;margin-bottom:20px}.pdfViewer .textLayer,.pdfViewer .textLayer *{box-sizing:content-box}.pdfViewer .page canvas{filter:none}.pdfViewer .spread .page{margin:0 1px 20px}

#sidebar{width:264px;flex:none;background:#f8fafc;border-right:1px solid #cfdee7;display:flex;flex-direction:column;z-index:4}.sidebar-head{display:flex;align-items:center;justify-content:space-between;padding:13px 16px 6px;font-size:12px}.sidebar-head button{font-size:23px;min-height:30px;min-width:30px}.side-tabs{display:flex;border-bottom:1px solid var(--line);margin:0 16px}.side-tabs button{flex:1;font-size:12px;border-radius:0;border-bottom:2px solid transparent;background:transparent}.side-tabs [aria-pressed=true]{border-bottom-color:var(--blue);background:transparent;font-weight:700}#sideScroll{overflow:auto;flex:1;min-height:0;scrollbar-width:thin;scrollbar-color:#bfd0da transparent}#contents{padding:12px 10px}#contents button{width:100%;justify-content:space-between;text-align:left;align-items:baseline;font-size:12px;line-height:1.5;padding:10px;border-radius:6px}#contents .toc-title{flex:1}#contents .toc-page{font-size:10px;color:#78909d;margin-left:10px}#contents button.nested{padding-left:24px;color:#566f7d}#thumbnails{display:grid;grid-template-columns:1fr 1fr;gap:14px 12px;padding:18px}#thumbnails button{display:flex;flex-direction:column;padding:5px;gap:6px;width:100%;min-width:0;font-size:10px;color:#526c7c;border:1px solid transparent}#thumbnails button[aria-current=page]{border-color:#7eb9da;background:#e5f2f9;color:var(--blue)}.thumb-paper{width:84px;aspect-ratio:1/1.414;display:flex;align-items:center;justify-content:center;box-shadow:0 1px 5px #14344824;background:#fff;color:#b0c3d0}.thumb-paper canvas{display:block;max-width:100%;max-height:100%;object-fit:contain}.side-note{font-size:10px;color:#5b7483;line-height:1.5;padding:12px 18px;margin:0;border-top:1px solid var(--line)}

.notice{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);background:#fff;border:1px solid #d5e1e8;border-radius:14px;box-shadow:0 12px 45px #153c5010;width:min(400px,calc(100% - 32px));padding:30px;text-align:center}.notice h2{font-size:18px;margin:20px 0 10px}.notice p{font-size:13px;line-height:1.6;color:#597485}.notice a{display:inline-block;font-size:12px;margin:8px}.notice button{border-color:var(--line);margin:8px}.loader{width:30px;height:30px;border:2px solid #dcecf5;border-top-color:var(--blue);border-radius:50%;display:inline-block;animation:spin 1s linear infinite}.notice.is-error .loader{display:none}@keyframes spin{to{transform:rotate(360deg)}}

footer{position:relative;flex:none;min-height:29px;display:flex;align-items:center;justify-content:space-between;gap:12px;background:#fff;border-top:1px solid var(--line);padding:8px 24px;font-size:10px;color:#587181}.footer-brand{font-size:8px;font-weight:700;letter-spacing:.16em}#progress{position:absolute;top:-1px;left:0;width:0;height:2px;background:#0083be;pointer-events:none}.noscript{position:fixed;inset:150px 24px auto;padding:30px;background:#fff;z-index:15}#scrim{position:absolute;inset:0;background:#082d4c55;border:0;border-radius:0;z-index:3}

@media(max-width:1100px){.toolbar{gap:8px;padding:7px 14px}.button-text{display:none}.tools{gap:2px}.zoom-tools{margin-right:3px}.file-actions{gap:16px}#sidebar{width:230px}#thumbnails{gap:12px 8px;padding:12px}.thumb-paper{width:78px}}

@media(max-width:760px){.masthead{min-height:70px;padding:10px 12px;gap:12px}.brand img{width:48px}.identity{padding-left:12px}.eyebrow{font-size:7px;letter-spacing:.09em}.identity h1{font-size:14px;margin-top:4px}.file-actions .overview{display:none}.file-actions .download{padding:10px;min-height:44px;min-width:44px;justify-content:center}.download span{display:none}.toolbar{padding:5px 8px;grid-template-columns:auto 1fr auto;gap:3px}.toolbar button{min-width:40px;min-height:44px;padding:7px}.tools.start{gap:0}.pagination{justify-content:center;gap:1px}.pagination input{width:40px;height:36px}#total{font-size:11px;min-width:32px;padding-left:4px}.zoom-tools{margin:0}#zoomIn,#zoomOut,#spread,#fullscreen{display:none}#zoom{width:98px;padding:10px 0;font-size:11px}.toolbar #previous,.toolbar #next{min-width:32px}.pdfViewer{padding:10px 0;--page-margin:0 auto 12px}.pdfViewer .page{margin-bottom:12px}#sidebar{position:absolute;inset:0 auto 0 0;width:min(300px,85vw);box-shadow:8px 0 24px #102b4118}.thumb-paper{width:100px}#thumbnails{padding:20px;gap:16px}#contents button{min-height:44px;font-size:13px}#sidebarClose{min-width:44px;min-height:44px}#findbar{padding:7px 10px;gap:2px;flex-wrap:wrap}#query{flex:1;min-width:120px;height:44px}#findbar button{min-height:44px;min-width:36px}#matches{order:5;flex-basis:100%;font-size:11px;margin:0 4px}footer{padding:7px 12px;padding-bottom:max(7px,env(safe-area-inset-bottom));font-size:10px}.wheel-hint{display:none}}

@media(max-width:370px){.toolbar{gap:0;padding:4px}.toolbar button{min-width:36px}.toolbar #previous,.toolbar #next{min-width:28px;padding:4px}.pagination input{width:32px}#zoom{width:87px}.masthead{gap:8px}.identity{padding-left:8px}.identity h1{font-size:13px}}

#contents button[aria-current=page]{background:#e4f1f8;color:#00649a;font-weight:700}#contents .toc-page{white-space:nowrap}

@media(prefers-reduced-motion:reduce){.loader{animation:none}}



/* Chapter colours supplement readable group titles; they do not encode product specifications. */

[data-tone=slate]{--chapter:#587082;--chapter-soft:#edf1f5;--chapter-line:#c6d1da}

[data-tone=blue]{--chapter:#066baf;--chapter-soft:#eaf3fb;--chapter-line:#b8d7ee}

[data-tone=teal]{--chapter:#08756d;--chapter-soft:#e8f5f2;--chapter-line:#b3dcd4}

[data-tone=violet]{--chapter:#7751a3;--chapter-soft:#f2edf8;--chapter-line:#d6c6e9}

[data-tone=amber]{--chapter:#956013;--chapter-soft:#fbf3e4;--chapter-line:#ead3a5}

[data-tone=petrol]{--chapter:#236979;--chapter-soft:#e8f2f5;--chapter-line:#b9d5df}

[data-tone=rose]{--chapter:#a24d6b;--chapter-soft:#faedf2;--chapter-line:#e8c2d1}

#contents{padding:10px 12px}.toc-group{margin:0 0 14px;border:1px solid var(--chapter-line);border-left:3px solid var(--chapter);border-radius:7px;background:#ffffff8f;overflow:hidden}

.toc-heading{display:flex;align-items:baseline;justify-content:space-between;gap:10px;margin:0;padding:10px 9px;background:var(--chapter-soft);color:var(--chapter);font-size:11px;line-height:1.5;font-weight:700;letter-spacing:.01em}.toc-heading .toc-range{flex:none;font-size:9px;font-weight:400}

#contents .toc-group button{border-radius:0;border-left:0;padding:9px;font-size:11px}#contents .toc-group button+button{border-top:1px solid #e2eaf04d}

#contents button[data-tone]:hover,#contents button[data-tone][aria-current=page]{background:var(--chapter-soft);color:var(--chapter)}#contents button[data-tone][aria-current=page]{box-shadow:inset 3px 0 var(--chapter)}#contents>button[data-tone]{border-left:3px solid var(--chapter);border-radius:5px;margin-bottom:3px}.toc-group.is-current{box-shadow:0 0 0 1px var(--chapter-line)}

#thumbnails button[data-tone]{border-bottom:3px solid var(--chapter-line)}#thumbnails button[data-tone][aria-current=page]{border-color:var(--chapter);background:var(--chapter-soft);color:var(--chapter)}

.turn-page{position:absolute;z-index:2;top:50%;transform:translateY(-50%);width:38px;min-height:66px;border:1px solid #c7d8e2;background:#ffffffec;color:#006faa;border-radius:10px;box-shadow:0 3px 10px #25465812}.turn-previous{left:7px}.turn-next{right:7px}.turn-page svg{width:24px;height:24px}.turn-page:hover:not(:disabled){background:#006faa;color:#fff;border-color:#006faa}.turn-page:disabled{opacity:.25;box-shadow:none}

#viewerContainer{left:52px;right:52px}.book-mode .pdfViewer{padding:20px 0}.book-mode .pdfViewer .spread{margin:0 auto}.book-mode .pdfViewer .page{margin-bottom:0}

@media(max-width:1100px){.turn-page{width:34px;min-width:34px}.turn-previous{left:5px}.turn-next{right:5px}#viewerContainer{left:44px;right:44px}}

@media(max-width:760px){.turn-page{display:none}#viewerContainer{left:0;right:0}#contents .toc-group button{font-size:12px;min-height:44px}.toc-heading{font-size:12px}}



/* Two catalogue languages remain visible together, independent of the website language. */

.language-primary,.language-secondary{display:block;overflow-wrap:anywhere}

.language-secondary{font-size:.92em;font-weight:400;line-height:1.4;color:#526b7b;margin-top:2px}

.download .language-secondary{color:#fff}.eyebrow .language-secondary{font-size:inherit;color:inherit}

.bilingual-reader #sidebar{width:310px}

.bilingual-reader .sidebar-head{align-items:flex-start;padding-bottom:2px}

.bilingual-reader .sidebar-head strong{line-height:1.45}

.language-pair{font-size:9px;font-weight:700;letter-spacing:.12em;color:#526b7b;padding:0 18px 7px}

.bilingual-reader .side-tabs button{display:block;line-height:1.3;padding:7px 4px}

.bilingual-reader #contents .toc-title{min-width:0;flex:1}

.bilingual-reader .toc-heading{align-items:flex-start}

.bilingual-reader .toc-heading .language-primary{font-size:12px;font-weight:700}

.bilingual-reader .toc-heading .language-secondary{font-size:11px}

.bilingual-reader #contents button{align-items:flex-start;gap:8px}

.bilingual-reader #contents button .language-primary{font-size:12px}

.bilingual-reader #contents button .language-secondary{font-size:11px}

.bilingual-reader #contents .toc-page{margin-left:0;padding-top:2px;color:#526b7b}

.bilingual-reader .side-note{padding:10px 18px}

.bilingual-reader .wheel-hint{text-align:center}

.bilingual-reader #zoom{width:130px}

.bilingual-reader .button-text{text-align:left;line-height:1.3}

@media(max-width:1100px){.bilingual-reader #sidebar{width:280px}.bilingual-reader .file-actions{gap:12px}}

@media(max-width:760px){.bilingual-reader #sidebar{width:min(310px,85vw)}.bilingual-reader #zoom{width:112px}.bilingual-reader .eyebrow{letter-spacing:0}.bilingual-reader .side-tabs button{min-height:48px}}

@media(max-width:370px){.bilingual-reader #zoom{width:110px}}