:root{--wine:#781e17;--wine-dark:#4d130f;--cream:#f3e8da;--paper:#fffdf8;--mustard:#ef9f12;--ink:#211c31;--muted:#7e6e65;--bar-h:76px;--zoom:1}
*{box-sizing:border-box}
html,body{height:100%;margin:0}
body{font-family:"Avenir Next","Segoe UI",Arial,sans-serif;color:var(--ink);background:#e7d8c7;overflow:hidden}
button,input{font:inherit}
button,a{-webkit-tap-highlight-color:transparent}
.app{min-height:100%;background:radial-gradient(circle at 50% 35%,rgba(255,255,255,.78),transparent 42%),repeating-linear-gradient(0deg,rgba(122,30,23,.025) 0 1px,transparent 1px 6px),var(--cream)}
.topbar{height:var(--bar-h);display:flex;align-items:center;justify-content:space-between;padding:0 28px;background:#fff;color:var(--ink);box-shadow:0 3px 18px rgba(61,17,13,.12);position:relative;z-index:20}
.brand{display:flex;align-items:center;gap:16px;text-decoration:none;color:var(--ink);min-width:0}.tri-logo{display:block;width:auto;height:46px;max-width:min(330px,48vw);object-fit:contain}.report-label{padding-left:16px;border-left:1px solid #ddcfc4;font-size:11px;font-weight:700;line-height:1.2;color:#856d60;letter-spacing:.08em;text-transform:uppercase;white-space:nowrap}
.brand-mark{display:grid;grid-template-columns:repeat(2,12px);gap:3px;transform:rotate(45deg);margin:0 5px}.brand-mark i{width:12px;height:12px;background:#fff;display:block}.brand-mark i:nth-child(2),.brand-mark i:nth-child(3){background:var(--mustard)}
.top-actions{display:flex;align-items:center;gap:7px}.icon-button,.download{height:40px;border:1px solid #dccbc0;background:#fff;color:var(--wine);border-radius:10px;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;transition:.18s ease}.icon-button{width:40px;font-size:19px}.icon-button:hover,.icon-button.active{background:#f5ebe3;border-color:#caa99a;transform:translateY(-1px)}.download{padding:0 15px;gap:8px;text-decoration:none;font-weight:700;font-size:12px;margin-left:4px;background:var(--mustard);border-color:var(--mustard);color:#35160d}.download:hover{filter:brightness(1.08);transform:translateY(-1px)}
.grid-icon{width:15px;height:15px;background:linear-gradient(90deg,currentColor 0 42%,transparent 42% 58%,currentColor 58%),linear-gradient(currentColor 0 42%,transparent 42% 58%,currentColor 58%);opacity:.9}
.reader{height:calc(100vh - var(--bar-h));display:flex;flex-direction:column;align-items:center;padding:12px 62px 8px;position:relative}.intro-label{height:28px;display:flex;align-items:center;gap:12px;text-transform:uppercase;font:700 10px/1 "Avenir Next","Segoe UI",Arial,sans-serif;letter-spacing:.2em;color:#8b7063}.intro-label span{width:30px;height:1px;background:#c8a995}
.rotate-hint{display:none}.phone-icon{width:12px;height:19px;border:1.8px solid currentColor;border-radius:3px;position:relative}.phone-icon::after{content:"";position:absolute;width:3px;height:1px;border-radius:1px;background:currentColor;left:50%;bottom:1px;transform:translateX(-50%)}.rotate-arrow{font-size:17px;line-height:1;margin-left:-4px}.rotate-hint b{font-size:9px;letter-spacing:.05em;white-space:nowrap}
.stage{position:relative;display:flex;align-items:center;justify-content:center;width:100%;min-height:0;flex:1;outline:none}.book-shell{height:100%;width:calc(100% - 92px);display:flex;align-items:center;justify-content:center;overflow:auto;padding:12px}.book{height:min(100%,calc(100vw * .53));max-width:100%;aspect-ratio:1.414/1;position:relative;display:flex;align-items:stretch;justify-content:center;filter:drop-shadow(0 20px 22px rgba(57,34,24,.22));transform:scale(var(--zoom));transform-origin:center;transition:transform .2s ease}
.paper{height:100%;position:relative;background:white;overflow:hidden;backface-visibility:hidden}.paper img{width:100%;height:100%;display:block;object-fit:contain;background:white;position:relative;z-index:2}.paper .loading{position:absolute;inset:0;display:grid;place-items:center;color:#9e8777;font-size:12px;background:#f8f0e6}.left-page,.right-page{width:50%;display:none}.left-page{box-shadow:inset -16px 0 24px -24px rgba(0,0,0,.75)}.right-page{box-shadow:inset 16px 0 24px -24px rgba(0,0,0,.75)}.single-page{height:100%;max-width:100%;aspect-ratio:.707/1}.book.cover .single-page{width:50%;margin-left:auto;aspect-ratio:.69/1}.book.landscape{aspect-ratio:1.381/1}.book.landscape .single-page{aspect-ratio:1.381/1}.book.spread .single-page{display:none}.book.spread .left-page,.book.spread .right-page{display:block}.book.spread .spine{display:block}.spine{display:none;position:absolute;z-index:4;top:0;bottom:0;left:50%;width:12px;transform:translateX(-50%);background:linear-gradient(90deg,transparent,rgba(25,12,7,.15) 48%,rgba(255,255,255,.3) 52%,transparent);pointer-events:none}
.flip-sheet{position:absolute;z-index:12;top:0;height:100%;width:100%;transform-style:preserve-3d;-webkit-transform-style:preserve-3d;pointer-events:none;will-change:transform;isolation:isolate}.flip-sheet.half{width:50%}.flip-sheet.next.half{left:50%;transform-origin:left center}.flip-sheet.prev.half{left:0;transform-origin:right center}.flip-sheet.next.full{left:0;transform-origin:left center}.flip-sheet.prev.full{left:0;transform-origin:right center}.flip-face{position:absolute;inset:0;overflow:hidden;background:#fff;backface-visibility:hidden;-webkit-backface-visibility:hidden}.flip-face img{width:100%;height:100%;display:block;object-fit:contain;background:#fff;backface-visibility:hidden;-webkit-backface-visibility:hidden}.flip-front{transform:translateZ(.2px)}.flip-back{transform:rotateY(180deg) translateZ(.2px);background:linear-gradient(90deg,#eee8df,#fff 15%,#f8f4ee 82%,#e4ddd3)}.flip-sheet.next{animation:pageTurnNext .86s cubic-bezier(.37,0,.2,1) forwards}.flip-sheet.prev{animation:pageTurnPrev .86s cubic-bezier(.37,0,.2,1) forwards}.flip-sheet::after{content:"";position:absolute;inset:0;backface-visibility:hidden;-webkit-backface-visibility:hidden;pointer-events:none;transform:translateZ(.4px)}.flip-sheet.next::after{background:linear-gradient(90deg,transparent 62%,rgba(40,22,14,.22));animation:pageShade .86s ease-in-out forwards}.flip-sheet.prev::after{background:linear-gradient(270deg,transparent 62%,rgba(40,22,14,.22));animation:pageShade .86s ease-in-out forwards}@keyframes pageTurnNext{0%{transform:perspective(2600px) rotateY(0deg)}100%{transform:perspective(2600px) rotateY(-180deg)}}@keyframes pageTurnPrev{0%{transform:perspective(2600px) rotateY(0deg)}100%{transform:perspective(2600px) rotateY(180deg)}}@keyframes pageShade{0%,100%{opacity:0}46%{opacity:.58}54%{opacity:.42}}
.page-arrow{position:absolute;z-index:6;top:50%;transform:translateY(-50%);border:0;width:46px;height:74px;border-radius:24px;background:rgba(255,253,248,.7);color:var(--wine);font:300 44px/1 Arial;cursor:pointer;box-shadow:0 5px 18px rgba(80,44,27,.12);transition:.18s}.page-arrow:hover:not(:disabled){background:white;box-shadow:0 7px 20px rgba(80,44,27,.22)}.page-arrow:disabled{opacity:.25;cursor:not-allowed}.page-arrow.prev{left:0}.page-arrow.next{right:0}
.mobile-fullscreen{display:none;position:absolute;z-index:15;top:8px;right:9px;width:38px;height:38px;border:1px solid #dbc8bb;border-radius:10px;background:rgba(255,255,255,.9);color:var(--wine);font-size:19px;box-shadow:0 4px 14px rgba(60,35,24,.14)}
.controls{height:48px;flex:0 0 auto;display:flex;align-items:center;gap:4px;background:rgba(255,253,249,.88);border:1px solid rgba(104,71,52,.12);border-radius:14px;padding:5px 8px;box-shadow:0 8px 30px rgba(75,44,29,.1);backdrop-filter:blur(8px)}.controls button{border:0;background:transparent;color:#6c5043;border-radius:8px;min-width:34px;height:34px;cursor:pointer;font-weight:700;font-size:18px}.controls button:hover{background:#f3e5d7;color:var(--wine)}.page-status{display:flex;align-items:center;gap:7px;padding:0 8px;font-size:12px;color:#8c766c}.page-status label{font-weight:600}.page-status input{width:46px;height:30px;text-align:center;border:1px solid #dfcdbf;border-radius:7px;background:#fff;color:var(--ink);font-weight:700;outline:none}.page-status input:focus{border-color:var(--wine);box-shadow:0 0 0 2px rgba(120,30,23,.12)}.divider{height:22px;width:1px;background:#ddcbbc;margin:0 5px}.zoom-label{min-width:42px;text-align:center;font-size:11px;font-weight:700;color:#7f6a5f}.hint{font-size:10px;color:#9a8174;margin:5px 0 0;letter-spacing:.04em}
.sidebar{position:fixed;z-index:40;top:0;bottom:0;left:0;width:min(390px,88vw);background:#fbf5ed;transform:translateX(-104%);transition:transform .3s cubic-bezier(.2,.7,.2,1);box-shadow:14px 0 38px rgba(44,21,13,.25);display:flex;flex-direction:column}.sidebar.open{transform:none}.sidebar-head{height:76px;padding:0 20px 0 26px;color:white;background:var(--wine);display:flex;align-items:center;justify-content:space-between}.sidebar-head small,.sidebar-head strong{display:block}.sidebar-head small{font-size:9px;letter-spacing:.22em;color:#e9bdaa}.sidebar-head strong{font:700 17px "Avenir Next","Segoe UI",Arial,sans-serif;margin-top:3px}.close{border:0;color:white;background:transparent;font-size:28px;cursor:pointer}.thumb-list{padding:20px;display:grid;grid-template-columns:repeat(2,1fr);gap:18px 14px;overflow-y:auto}.thumb{border:0;background:transparent;padding:0;cursor:pointer;color:#785f52;text-align:center;font-size:10px}.thumb img{width:100%;aspect-ratio:.707/1;object-fit:contain;background:white;box-shadow:0 4px 12px rgba(66,34,21,.14);border:3px solid transparent;transition:.15s}.thumb:hover img,.thumb.active img{border-color:var(--mustard);transform:translateY(-2px)}.thumb span{display:block;margin-top:6px}.scrim{position:fixed;z-index:35;inset:0;background:rgba(30,13,8,.44);opacity:0;pointer-events:none;transition:.25s}.scrim.show{opacity:1;pointer-events:auto}
noscript{position:fixed;inset:0;z-index:100;background:#fff7ee;display:grid;place-items:center;padding:30px;text-align:center}
@media(max-width:760px){:root{--bar-h:50px}.topbar{padding:0 10px;justify-content:space-between}.brand{display:flex}.tri-logo{height:34px;max-width:145px}.report-label{display:none}.top-actions{width:auto;justify-content:flex-end}.top-actions .icon-button:nth-child(2){display:none}.download{width:40px;padding:0;font-size:18px}.download span:last-child{display:none}.reader{padding:4px 7px 5px}.book-shell{width:100%;padding:5px 34px}.book{aspect-ratio:.707/1;height:min(100%,calc((100vw - 82px)*1.414))}.book.cover .single-page{width:100%;margin:0}.book.landscape{width:100%;height:auto;aspect-ratio:1.381/1}.book.spread{aspect-ratio:.707/1}.book.spread .left-page,.book.spread .right-page{display:none}.book.spread .single-page{display:block}.book.spread .spine{display:none}.page-arrow{width:34px;height:58px;background:rgba(255,253,248,.8);font-size:35px}.controls{height:45px;max-width:100%;gap:1px}.controls button{min-width:30px}.controls .divider,.controls #firstButton,.controls #lastButton{display:none}.controls .zoom-label{display:inline-block;min-width:38px}.hint{display:none}.page-status{padding:0 3px}.page-status input{width:42px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}.book,.sidebar,.scrim{transition:none}.flip-sheet{animation:none!important}}

/* StPageFlip engine */
.pageflip-book{width:100%;height:auto;max-width:1000px;transition:transform .2s ease;transform-origin:center;filter:drop-shadow(0 18px 20px rgba(57,34,24,.2))}.pageflip-book canvas{display:block}.pageflip-book .stf__parent{margin:auto}.pageflip-book .stf__block{background:transparent}.pageflip-book .stf__item{background:#fff}.book-shell{overflow:visible;perspective:2600px}
.flip-page{background:#fff;overflow:hidden}.flip-page img{display:block;width:100%;height:100%;object-fit:fill;image-rendering:auto;user-select:none;-webkit-user-drag:none;transform:scale(var(--page-zoom,1));transform-origin:center;transition:transform .18s ease}
@media(max-width:760px){.pageflip-book{width:100%;height:auto;max-width:500px}.book-shell{padding:4px;overflow:visible}}
@media(max-width:760px) and (orientation:portrait){.stage{flex:0 0 auto;align-items:flex-start}.book-shell{align-items:flex-start;padding:0 4px}.pageflip-book{margin-top:0}}
@media(max-width:950px) and (orientation:landscape){:root{--bar-h:0px}.topbar{display:none}.reader{height:100dvh;padding:3px 4px}.intro-label{display:none}.stage{flex:0 0 auto;align-items:flex-start}.book-shell{align-items:flex-start;padding:0 4px}.pageflip-book{height:auto;max-width:500px!important}.controls{height:42px;margin-top:2px}.hint{display:none}.mobile-fullscreen{display:block}}
body.pseudo-fullscreen{overflow:hidden}body.pseudo-fullscreen .topbar{display:none}body.pseudo-fullscreen .reader{height:100dvh;padding-top:3px}body.pseudo-fullscreen .intro-label,body.pseudo-fullscreen .rotate-hint{display:none}body.pseudo-fullscreen .mobile-fullscreen{display:block}