:root{--navy:#07172d;--navy2:#0c2547;--gold:#d2ad55;--paper:#fffefa;--ink:#142033;--muted:#647188;--line:rgba(210,173,85,.38)}
*{box-sizing:border-box}
html{background:var(--navy);scroll-behavior:smooth}
body{margin:0;color:#f7f4ea;background:radial-gradient(circle at 50% 12%,#173967 0,#0b2342 28%,#07172d 68%);font-family:Inter,Aptos,system-ui,-apple-system,sans-serif;min-height:100vh}
button,a,input{font:inherit}
button,a{touch-action:manipulation}
.topbar{height:74px;display:flex;align-items:center;justify-content:space-between;padding:0 clamp(16px,4vw,52px);border-bottom:1px solid rgba(255,255,255,.12);background:rgba(5,16,32,.88);backdrop-filter:blur(14px);position:sticky;top:0;z-index:20}
.brand{display:flex;align-items:center;gap:12px}.brand-mark{width:40px;height:40px;border:1px solid var(--gold);border-radius:50%;display:grid;place-items:center;color:var(--gold);font-family:Georgia,serif;font-size:13px;letter-spacing:.08em}.brand strong{display:block;font-family:Georgia,serif;font-size:18px}.brand small{display:block;color:#bfc8d5;font-size:12px;margin-top:2px}
.top-actions{display:flex;gap:10px;align-items:center}.top-actions a,.top-actions button,.controls button{border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.06);color:#fff;border-radius:999px;padding:10px 16px;text-decoration:none;cursor:pointer}.top-actions a{background:var(--gold);color:#10213a;border-color:var(--gold);font-weight:700}
.reader-shell{width:min(1500px,100%);margin:0 auto;padding:34px clamp(10px,2.5vw,40px) 24px}
.reader-heading{text-align:center;margin:0 auto 24px}.eyebrow{margin:0 0 8px;color:var(--gold);font-weight:700;font-size:13px;letter-spacing:.18em;text-transform:uppercase}.reader-heading h1{font-family:Georgia,serif;font-weight:400;font-size:clamp(24px,3vw,43px);line-height:1.15;margin:0}.welcome{display:grid;grid-template-columns:minmax(280px,.82fr) minmax(360px,1fr);align-items:stretch;max-width:1120px;text-align:left;border:1px solid rgba(210,173,85,.42);border-radius:18px;overflow:hidden;background:linear-gradient(145deg,rgba(20,49,85,.95),rgba(7,23,45,.97));box-shadow:0 24px 70px rgba(0,0,0,.3);margin-bottom:34px}.welcome-image{min-height:310px;position:relative;overflow:hidden}.welcome-image:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,transparent 65%,rgba(7,23,45,.7))}.welcome-image img{width:100%;height:100%;display:block;object-fit:cover}.welcome-copy{padding:clamp(28px,4vw,52px);align-self:center}.welcome-copy>p:not(.eyebrow){color:#c8d0dc;margin:10px 0 0;font-size:16px;line-height:1.55}.welcome-copy .welcome-message{color:#f7f4ea!important;font:italic 19px/1.55 Georgia,serif!important;margin-top:18px!important}.open-book{display:inline-flex;align-items:center;gap:14px;margin-top:24px;padding:13px 22px;border-radius:999px;background:var(--gold);color:#10213a;text-decoration:none;font-weight:800;box-shadow:0 9px 25px rgba(210,173,85,.22)}.open-book:hover,.open-book:focus-visible{background:#e4c575;transform:translateY(-1px)}.open-book span{font-size:22px;line-height:1}
.book-stage{display:grid;grid-template-columns:56px minmax(0,1fr) 56px;align-items:center;gap:14px;max-width:1420px;margin:0 auto}.book-viewport{width:100%;max-height:73vh;overflow:auto;border-radius:9px;scrollbar-color:var(--gold) rgba(255,255,255,.08)}.book{position:relative;aspect-ratio:17/11;margin:auto;filter:drop-shadow(0 28px 45px rgba(0,0,0,.42));perspective:1800px;width:100%;transform-origin:top left;transition:width .2s ease}
.page-card{background:var(--paper);overflow:hidden;position:relative}.spread-page{border-radius:8px;box-shadow:inset 0 0 0 1px rgba(20,32,51,.12)}.page-card img{width:100%;height:100%;display:block;object-fit:contain;background:#fff}.page-turn{display:none;position:absolute;inset:0 0 0 50%;background:linear-gradient(90deg,rgba(255,255,255,.8),#fff);transform-origin:left center;z-index:8;border-radius:0 8px 8px 0;box-shadow:-18px 0 36px rgba(0,0,0,.2)}.page-turn.animate-next{display:block;animation:turnNext .44s ease-in-out}.page-turn.animate-prev{display:block;inset:0 50% 0 0;transform-origin:right center;animation:turnPrev .44s ease-in-out}@keyframes turnNext{0%{transform:rotateY(0)}100%{transform:rotateY(-180deg)}}@keyframes turnPrev{0%{transform:rotateY(0)}100%{transform:rotateY(180deg)}}
.turn{width:52px;height:52px;border-radius:50%;border:1px solid rgba(255,255,255,.2);color:#fff;background:rgba(255,255,255,.08);cursor:pointer;display:grid;place-items:center}.turn span{font-size:40px;line-height:1;margin-top:-4px}.turn:hover,.turn:focus-visible,.controls button:hover,.top-actions button:hover{background:rgba(210,173,85,.2);border-color:var(--gold)}button:disabled{opacity:.35;cursor:not-allowed}
.controls{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin:22px auto 0}.controls button{padding:9px 15px}.page-jump{display:flex;align-items:center;gap:8px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);border-radius:999px;padding:4px 13px}.page-jump input{width:60px;border:0;border-radius:20px;background:#fff;color:#142033;text-align:center;padding:6px}.page-jump span{color:#cbd3df;font-size:14px}.reader-help{text-align:center;color:#aeb9c9;font-size:14px;margin:14px 0 0}
footer{text-align:center;border-top:1px solid rgba(255,255,255,.1);padding:28px 20px 40px;color:#aeb9c9;font-size:13px;line-height:1.55}footer p{margin:4px}footer strong{color:var(--gold)}
.toast{position:fixed;left:50%;bottom:24px;transform:translate(-50%,20px);background:#fff;color:var(--ink);padding:11px 18px;border-radius:999px;box-shadow:0 12px 40px rgba(0,0,0,.3);opacity:0;pointer-events:none;transition:.22s;z-index:30}.toast.show{opacity:1;transform:translate(-50%,0)}
@media(max-width:760px){.topbar{height:auto;min-height:68px;padding:10px 14px}.brand small{display:none}.top-actions .icon-button{padding:9px 12px}.download{font-size:14px;padding:9px 12px!important}.reader-shell{padding-top:22px}.reader-heading{margin-bottom:22px}.reader-heading h1{font-size:29px}.welcome{grid-template-columns:1fr}.welcome-image{min-height:240px}.welcome-image:after{background:linear-gradient(0deg,rgba(7,23,45,.75),transparent 52%)}.welcome-copy{padding:28px 24px}.welcome-copy .welcome-message{font-size:18px!important}.book-stage{grid-template-columns:38px minmax(0,1fr) 38px;gap:5px}.book-viewport{max-height:65vh}.turn{width:36px;height:50px;border-radius:18px}.turn span{font-size:34px}.controls{gap:6px}.controls button{padding:8px 11px;font-size:14px}.controls button:nth-of-type(2),.controls button:nth-of-type(3){display:none}.reader-help{font-size:13px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}.page-turn.animate-next,.page-turn.animate-prev{animation:none}}