@font-face{font-family:Montserrat;font-style:normal;font-weight:400;font-display:swap;src:url('assets/montserrat-400.ttf') format('truetype')}
@font-face{font-family:Montserrat;font-style:normal;font-weight:500;font-display:swap;src:url('assets/montserrat-500.ttf') format('truetype')}
@font-face{font-family:Montserrat;font-style:normal;font-weight:600;font-display:swap;src:url('assets/montserrat-600.ttf') format('truetype')}
@font-face{font-family:Montserrat;font-style:normal;font-weight:700;font-display:swap;src:url('assets/montserrat-700.ttf') format('truetype')}
:root{color-scheme:light;--navy:#002f5f;--orange:#f17e3a;--blue:#007ac9;--paper:#fff;--muted:#667785;--line:#d5dde2}*{box-sizing:border-box}body{margin:0;background:#eef1f3;color:var(--navy);font-family:Montserrat,Arial,Helvetica,sans-serif}button,input,select{font:inherit}button{cursor:pointer;border:1px solid var(--line);background:white;color:var(--navy);border-radius:6px;padding:10px 15px;min-height:42px;transition:background .16s}button:hover{background:#e5edf3}button:disabled{opacity:.35;cursor:default}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid var(--orange);outline-offset:3px}button[aria-expanded=true]{background:var(--navy);color:white}.masthead{height:90px;display:flex;align-items:center;gap:32px;padding:0 4vw;background:white;border-bottom:1px solid var(--line)}.brand{font-size:29px;letter-spacing:3px;font-weight:500;border-bottom:3px solid var(--orange);padding-bottom:7px}.brand span{display:block;font-size:8px;letter-spacing:2px;margin-top:4px}.heading{font-size:12px;font-weight:bold;letter-spacing:2px;border-left:1px solid var(--line);padding-left:28px}.heading span{display:block;font-size:12px;font-weight:normal;letter-spacing:.1px;color:var(--muted);margin-top:7px}#share{margin-left:auto;background:var(--navy);color:white;border-color:var(--navy)}#reader{height:calc(100dvh - 90px);min-height:420px;display:flex;flex-direction:column;background:radial-gradient(ellipse at center,#e3e9ed,#f3f5f6)}.toolbar{height:59px;flex-shrink:0;display:flex;align-items:center;padding:0 24px;gap:8px;border-bottom:1px solid var(--line)}.toolbar button{background:transparent;border-color:transparent;font-size:13px}.toolbar button:hover{background:#dce5eb}.toolbar-spacer{flex:1}.workspace{flex:1;min-height:0;position:relative;display:flex;overflow:hidden}#stage{min-width:0;flex:1;display:flex;align-items:center;justify-content:center;padding:22px 34px;overflow:hidden;touch-action:pan-y}#book{position:relative;display:flex;perspective:2200px;filter:drop-shadow(0 12px 15px #19304430);flex-shrink:0}.page{position:relative;width:50%;height:100%;padding:0;border:0;border-radius:0;background:#fff;overflow:hidden;min-height:0}.page:hover{background:white}.page img{width:100%;height:100%;object-fit:fill;display:block}.page.blank{background:#e5e9ec;visibility:hidden}.page.left:not(.blank):after,.page.right:not(.blank):after{content:"";position:absolute;inset:0;pointer-events:none}.page.left:after{background:linear-gradient(to left,#08182720,transparent 6%)}.page.right:after{background:linear-gradient(to right,#08182718,transparent 6%)}#book.single .page{width:100%}.turn-sheet{position:absolute;top:0;bottom:0;width:50%;transform-style:preserve-3d;z-index:3;pointer-events:none;transform-origin:left center;left:50%}.turn-sheet.backward{left:0;transform-origin:right center}.turn-sheet img{position:absolute;inset:0;width:100%;height:100%;backface-visibility:hidden;background:white}.turn-sheet img.back{transform:rotateY(180deg)}#book.single .turn-sheet{width:100%;left:0}.navigation{display:flex;gap:20px;align-items:center;justify-content:center;height:58px;flex-shrink:0}.navigation button{border:0;background:transparent;font-size:13px;min-width:100px}#next{color:#a33d0d}#page-form{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted)}#page-number{width:51px;padding:7px 3px 7px 8px;background:white;border:1px solid var(--line);border-radius:4px;color:var(--navy)}.progress{height:3px;background:#dce2e6;margin:0 24px}#progress-fill{height:100%;background:var(--orange);transition:width .3s}.hint{text-align:center;color:var(--muted);font-size:11px;margin:12px 8px 15px}.hint span{padding:0 8px}#drawer{width:280px;background:#fff;border-right:1px solid var(--line);padding:16px;overflow:auto;flex-shrink:0}#drawer[hidden]{display:none}.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;font-size:13px}.drawer-top button{padding:4px 10px;min-height:32px}label[for=search],label[for=share-url]{display:block;font-size:12px;margin-bottom:8px}#search{width:100%;padding:12px;border:1px solid var(--line);border-radius:5px}#results{font-size:12px;color:var(--muted)}#thumbnails{display:grid;grid-template-columns:1fr 1fr;gap:14px}.thumbnail{padding:6px;border:2px solid transparent;background:#f0f3f5;font-size:11px}.thumbnail[aria-current=true]{border-color:var(--orange)}.thumbnail img{display:block;width:100%;aspect-ratio:595.5/842.25;object-fit:contain;margin-bottom:6px}.sr-only{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}dialog{border:0;border-radius:10px;padding:0;box-shadow:0 20px 80px #001a3650;color:var(--navy);max-height:95dvh}dialog::backdrop{background:#051c32bf}.dialog-bar{display:flex;align-items:center;gap:16px;padding:12px 18px;background:white;border-bottom:1px solid var(--line);flex-shrink:0}.dialog-bar>button{margin-left:auto}.dialog-bar label{font-size:12px}.dialog-bar select{padding:8px;border:1px solid var(--line);border-radius:4px}#zoom-dialog{width:95vw;height:95dvh;max-width:1600px}#zoom-dialog[open]{display:flex;flex-direction:column}#zoom-scroll{overflow:auto;flex:1;background:#dbe2e7;padding:18px}#zoom-scroll img{display:block;width:100%;max-width:none;height:auto;margin:auto}#text-dialog{width:min(750px,92vw)}#page-text{padding:26px;line-height:1.6;white-space:pre-wrap;max-height:75dvh;overflow:auto}#share-dialog{width:min(520px,92vw)}.share-body{padding:24px;font-size:14px;line-height:1.6}#share-url{width:100%;padding:12px;border:1px solid var(--line);border-radius:5px;margin-bottom:12px}#copy-link{background:var(--navy);color:white}.no-js{padding:24px}.embedded .masthead{display:none}.embedded #reader{height:100dvh}.embedded .hint{margin-bottom:10px}:fullscreen #reader{height:100dvh}:fullscreen .masthead{display:none}@media(max-width:650px){.masthead{height:72px;padding:0 16px;gap:14px}.brand{font-size:22px}.heading{display:none}#share{font-size:12px;padding:10px}#reader{height:calc(100dvh - 72px)}.toolbar{padding:0 7px;gap:0;height:52px}.toolbar button{padding:9px;font-size:12px}#fullscreen span{display:none}#stage{padding:14px 12px}.navigation{gap:4px}.navigation button{min-width:84px}.hint{font-size:10px}.hint span{padding:0 2px}#drawer{position:absolute;z-index:10;top:0;bottom:0;left:0;width:min(290px,90vw);box-shadow:12px 0 30px #09233e20}.dialog-bar{padding:8px;gap:8px;font-size:12px}.dialog-bar label{font-size:0}.dialog-bar select{font-size:12px}#zoom-scroll{padding:8px}}@media(prefers-reduced-motion:reduce){*{transition:none!important}}

/* Banner-free reader, standalone and embedded. */
#reader{height:100dvh;background:radial-gradient(ellipse at center,#e0edf3,#f2fbff)}
.toolbar{background:white;border-color:#c4dee9}
.toolbar button{border-radius:0}
.toolbar #share{margin-left:0;background:transparent;color:var(--navy);border-color:transparent;font-size:13px;padding:10px 15px;font-weight:400}
.toolbar #share:hover{background:#dce5eb}
#copy-link{background:var(--orange);color:#15171c;border-color:var(--orange);border-radius:0;font-weight:700}
#next{color:var(--navy);font-weight:700}
.progress{background:#c4dee9}
@media(max-width:650px){.toolbar button,.toolbar #share{font-size:11px;padding:9px 7px}}
/* Page-turn controls stay beside the book at every viewport size. */
#book-shell{display:flex;align-items:center;justify-content:center;gap:22px;flex-shrink:0}
.turn-button{width:48px;height:48px;min-height:48px;flex:0 0 48px;border-radius:50%;border:1px solid #c4dee9;background:var(--navy);color:white;font-size:26px;font-weight:500;padding:0;line-height:1;box-shadow:0 3px 10px #002f5f18}
.turn-button:hover{background:var(--orange);color:#15171c}
.turn-button:disabled{background:#d8e2e8;color:#789;opacity:.6;box-shadow:none}
@media(max-width:650px){
#book-shell{gap:5px}.turn-button{width:38px;height:38px;min-height:38px;flex-basis:38px;font-size:23px}
.toolbar{height:auto;min-height:52px;flex-wrap:wrap;justify-content:center;padding:5px 7px;row-gap:0}
.toolbar-spacer{display:none}.toolbar button,.toolbar #share{min-height:36px;font-size:10px;padding:7px 6px}
.hint{font-size:9px;line-height:1.5}
}
/* Inline zoom: transform only the pages; keep controls fixed and accessible. */
#book{transform-origin:0 0;will-change:transform}
#book .page{cursor:default}
#book.is-zoomed{touch-action:none}
#book.is-zoomed .page{cursor:grab;touch-action:none}
#book.is-zoomed .page:active{cursor:grabbing}
.turn-button{position:relative;z-index:8}
#reset-zoom[hidden]{display:none}
.toolbar{flex-wrap:wrap;height:auto;min-height:59px;padding-top:4px;padding-bottom:4px}
@media(max-width:650px){.toolbar{min-height:52px}}
#zoom{width:112px;flex-shrink:0}
@media(max-width:650px){#zoom{width:86px}}
/* Let the browser rerasterise enlarged page images sharply. */
#book{will-change:auto;filter:none;box-shadow:0 12px 24px #19304430}
/* Navigation is an overlay anchored to the reader, never to the book. */
#stage{position:relative;isolation:isolate}
#book-shell{position:relative;z-index:0}
#stage>.turn-button{position:absolute;top:50%;transform:translateY(-50%);z-index:10;touch-action:manipulation}
#side-previous{left:18px}
#side-next{right:18px}
@media(max-width:650px){#side-previous{left:8px}#side-next{right:8px}}