:root{--brand:#e8590c;--brand-dark:#c2410c;--ink:#1f2937;--muted:#6b7280;--bg:#fffaf5;--card:#fff;--line:#f1e4d8;--green:#2b8a3e}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:'Poppins','Noto Sans Devanagari',sans-serif;background:var(--bg);color:var(--ink);line-height:1.6;padding-bottom:70px}
a{text-decoration:none;color:inherit}
.wrap{max-width:1180px;margin:0 auto;padding:0 18px}
.wrap.narrow{max-width:760px}.wrap.small{max-width:460px}
header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px;gap:10px}
.logo{font-weight:700;font-size:1.3rem;color:var(--brand)}.logo span{color:var(--ink)}
nav ul{display:flex;gap:22px;list-style:none}nav a{font-size:.95rem;color:var(--muted)}nav a:hover{color:var(--brand)}
.right{display:flex;align-items:center;gap:8px}
.lang-switch{border:1px solid var(--line);background:#fff;border-radius:999px;padding:6px 8px;font-family:inherit;font-size:.85rem;color:var(--ink);max-width:130px}
.cta-small{background:var(--brand);color:#fff;padding:7px 14px;border-radius:999px;font-size:.85rem;white-space:nowrap}
.cart-link{position:relative;font-size:1.4rem;padding:0 6px}
.badge-n{position:absolute;top:-6px;right:-4px;background:var(--brand);color:#fff;border-radius:999px;font-size:.65rem;min-width:18px;height:18px;line-height:18px;text-align:center;font-weight:700}
@media(max-width:720px){nav ul{display:none}}
.hero{background:linear-gradient(135deg,#fff1e6,#ffe0cc);padding:48px 0 40px;text-align:center}
.hero h1{font-size:clamp(1.7rem,4.5vw,2.8rem);line-height:1.25;margin-bottom:12px}.hero h1 em{font-style:normal;color:var(--brand)}
.hero p{color:var(--muted);max-width:640px;margin:0 auto 24px}
.search{display:flex;max-width:560px;margin:0 auto;background:#fff;border-radius:999px;box-shadow:0 6px 24px rgba(232,89,12,.15);overflow:hidden}
.search input{flex:1;min-width:0;border:0;padding:14px 20px;font-size:1rem;outline:none;font-family:inherit}
.search button{border:0;background:var(--brand);color:#fff;padding:0 22px;font-size:1rem;cursor:pointer;font-family:inherit}
.stats{display:flex;gap:26px;justify-content:center;margin-top:24px;flex-wrap:wrap;color:var(--muted);font-size:.85rem}.stats b{color:var(--ink);font-size:1.1rem;display:block}
section{padding:36px 0}.sec-title{font-size:1.5rem;margin-bottom:6px}.sec-sub{color:var(--muted);margin-bottom:20px}
.offers{padding-bottom:10px}
.offer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px}
.offer-card{background:linear-gradient(135deg,var(--brand),#f59f00);color:#fff;border-radius:16px;padding:18px;text-align:center;box-shadow:0 6px 18px rgba(232,89,12,.2)}
.oc-top{font-weight:700;font-size:1.15rem}.oc-sub{opacity:.9;font-size:.85rem}
.scroll-x{display:flex;gap:8px;overflow-x:auto;padding-bottom:6px;margin-bottom:10px;scrollbar-width:thin}
.chip{border:1px solid var(--line);background:#fff;padding:7px 16px;border-radius:999px;font-size:.9rem;color:var(--ink);white-space:nowrap;flex:0 0 auto}
.chip.active{background:var(--brand);color:#fff;border-color:var(--brand)}.cats .chip{font-size:.82rem;padding:5px 13px}.cats .chip.active{background:var(--ink);border-color:var(--ink)}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:18px;margin-top:14px}
@media(max-width:480px){.grid{grid-template-columns:repeat(2,1fr);gap:12px}.cover{height:150px!important;font-size:.9rem!important}}
.book{background:var(--card);border:1px solid var(--line);border-radius:16px;overflow:hidden;display:flex;flex-direction:column;transition:.2s}
.book:hover{box-shadow:0 10px 26px rgba(0,0,0,.08);transform:translateY(-3px)}
.cover{height:200px;display:flex;align-items:center;justify-content:center;text-align:center;color:#fff;padding:16px;font-weight:700;font-size:1rem;line-height:1.35;position:relative}
.cover img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.badge{position:absolute;top:8px;left:8px;background:rgba(0,0,0,.5);color:#fff;font-size:.7rem;padding:2px 10px;border-radius:999px;font-weight:600;z-index:1}
.info{padding:12px 14px 14px;display:flex;flex-direction:column;gap:5px;flex:1}.info h3{font-size:.95rem;line-height:1.35}
.meta{color:var(--muted);font-size:.75rem}.price{margin-top:auto;display:flex;align-items:baseline;gap:7px;flex-wrap:wrap}
.price b{font-size:1.15rem;color:var(--brand-dark)}.price s{color:var(--muted);font-size:.8rem}.off{color:var(--green)}
.btn{display:block;text-align:center;padding:10px 14px;border-radius:10px;font-size:.88rem;font-weight:600;cursor:pointer;border:0;font-family:inherit;width:100%}
.btn.buy{background:var(--brand);color:#fff}.btn.buy:hover{background:var(--brand-dark)}.btn.buy.in{background:#e7f8ee;color:#128c4a}
.btn.inline{display:inline-block;width:auto}.btn.big{padding:14px;font-size:1rem;margin-top:14px}.btn.ghost{background:#fff;border:1px solid var(--line);color:var(--ink);width:auto}
.btn:disabled{opacity:.6;cursor:wait}
.empty{padding:40px;text-align:center;color:var(--muted)}
.pager{display:flex;gap:6px;justify-content:center;margin-top:26px;flex-wrap:wrap}.pager a{border:1px solid var(--line);background:#fff;border-radius:10px;padding:6px 14px}.pager a.cur{background:var(--brand);color:#fff;border-color:var(--brand)}
.why{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.why-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:16px}
.why-item{padding:18px;border-radius:14px;background:var(--bg);border:1px solid var(--line)}.why-item .ic{font-size:1.6rem}.why-item h4{margin:6px 0 4px}.why-item p{color:var(--muted);font-size:.9rem}
footer{padding:30px 0;text-align:center;color:var(--muted);font-size:.88rem}footer a{color:var(--brand)}
/* cart / forms */
.box{background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px;margin-bottom:16px}.box.center{text-align:center}.box h3{margin-bottom:10px}
.line{display:flex;align-items:center;gap:10px;padding:10px 0;border-bottom:1px solid var(--line)}.l-main{flex:1;min-width:0}.l-main b{display:block;font-size:.95rem}.l-main small{color:var(--muted)}
.l-price{white-space:nowrap}.l-price s{color:var(--muted);font-size:.85rem}.freetag{background:#e7f8ee;color:#128c4a;font-weight:700;font-size:.75rem;padding:2px 10px;border-radius:999px}
.x{border:0;background:none;color:var(--muted);font-size:1.1rem;cursor:pointer;padding:6px}
.sum{display:flex;justify-content:space-between;padding:8px 0}.sum.green{color:var(--green);font-weight:600}.sum.total{font-size:1.2rem;font-weight:700;border-top:2px solid var(--line);margin-top:6px}
.nudge{background:#fff7e0;border:1px solid #f5d98a;border-radius:12px;padding:12px 14px;margin-bottom:16px;font-weight:600}.nudge a{color:var(--brand);text-decoration:underline;margin-left:6px}
label{display:block;font-size:.88rem;font-weight:600;margin-top:12px}
input,select,textarea{display:block;width:100%;margin-top:4px;padding:11px 12px;border:1px solid var(--line);border-radius:10px;font-family:inherit;font-size:1rem}
.muted{color:var(--muted);font-size:.85rem}.err{background:#fdecec;color:#b42318;border-radius:10px;padding:10px 12px;margin-top:12px;font-size:.9rem}
.big-ic{font-size:3rem}.prose h1{margin-bottom:12px}.prose p{margin-bottom:10px}.prose a{color:var(--brand)}
/* cart bar + modal */
.cartbar{position:fixed;left:0;right:0;bottom:0;background:#fff;border-top:1px solid var(--line);box-shadow:0 -6px 20px rgba(0,0,0,.08);display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 16px;z-index:60}
.cartbar[hidden]{display:none}.cb-txt{display:flex;flex-direction:column;min-width:0}.cb-txt b{font-size:.95rem}.cb-txt small{color:#b45309;font-size:.78rem;line-height:1.3}
.cb-btn{background:var(--brand);color:#fff;padding:10px 18px;border-radius:999px;font-weight:600;white-space:nowrap;font-size:.9rem}
.modal{position:fixed;inset:0;background:rgba(17,24,39,.6);display:none;align-items:center;justify-content:center;z-index:100;padding:18px}.modal.open{display:flex}
.modal-box{background:#fff;border-radius:20px;max-width:440px;width:100%;max-height:90vh;overflow:auto;padding:26px 22px 18px;text-align:center}
.modal-box h2{font-size:1.35rem;margin-bottom:4px}.modal-box p{color:var(--muted);font-size:.9rem;margin-bottom:16px}
.lang-opt{display:flex;align-items:center;justify-content:space-between;width:100%;padding:13px 18px;margin-bottom:9px;border:1.5px solid var(--line);background:#fff;border-radius:14px;font-family:inherit;font-size:1.05rem;font-weight:600;cursor:pointer;color:var(--ink)}
.lang-opt:hover,.lang-opt.rec{border-color:var(--brand);background:#fff7f0}.lang-opt small{color:var(--brand);font-weight:600;font-size:.75rem}
/* admin */
.adm{max-width:1100px;margin:0 auto;padding:18px}.adm nav.tabs{display:flex;gap:8px;flex-wrap:wrap;margin:14px 0}.adm nav.tabs a{padding:8px 16px;border:1px solid var(--line);border-radius:999px;background:#fff}.adm nav.tabs a.on{background:var(--ink);color:#fff}
.adm table{width:100%;border-collapse:collapse;background:#fff;font-size:.88rem}.adm th,.adm td{padding:8px 10px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}.adm .tw{overflow-x:auto}
.adm .row{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px}.adm .ok{background:#e7f8ee;color:#128c4a;padding:10px;border-radius:10px;margin:10px 0}
/* links on book tiles + product page (book.php) */
a.cover{color:#fff}.cover-title{position:relative}
.info h3 a:hover{color:var(--brand)}
.peek{position:absolute;bottom:8px;right:8px;z-index:1;background:rgba(255,255,255,.92);border-radius:999px;width:28px;height:28px;display:flex;align-items:center;justify-content:center;font-size:.85rem}
.pd{padding-top:24px}
.pd-back{display:inline-block;color:var(--muted);font-size:.9rem;margin-bottom:16px}.pd-back:hover{color:var(--brand)}
.pd-top{display:grid;grid-template-columns:minmax(0,320px) 1fr;gap:36px;align-items:start;margin-bottom:26px}
.pd-cover{height:auto!important;aspect-ratio:3/4;border-radius:16px;font-size:1.4rem!important;box-shadow:0 18px 40px -18px rgba(0,0,0,.45);overflow:hidden}
.pd-info h1{font-size:clamp(1.5rem,3.4vw,2.3rem);line-height:1.25;margin:8px 0 16px}
.pd-cat{display:inline-block;background:#fff1e6;color:var(--brand-dark);border:1px solid var(--line);padding:4px 14px;border-radius:999px;font-size:.8rem;font-weight:600}
.pd-facts{list-style:none;display:flex;gap:10px;flex-wrap:wrap;margin-bottom:16px}
.pd-facts li{background:#fff;border:1px solid var(--line);border-radius:12px;padding:8px 16px;display:flex;flex-direction:column;min-width:96px}
.pd-facts span{font-size:.72rem;color:var(--muted);text-transform:capitalize}.pd-facts b{font-size:1rem}
.pd-price b{font-size:1.9rem!important}.pd-price s{font-size:1rem!important}
.pd-info .btn.big{max-width:360px}
.pd-instant{color:var(--muted);font-size:.88rem;margin-top:10px}
.pd-offer-chip{display:inline-block;margin-top:12px;background:linear-gradient(135deg,var(--brand),#f59f00);color:#fff;padding:9px 18px;border-radius:12px;font-weight:600;font-size:.9rem;box-shadow:0 6px 18px rgba(232,89,12,.2)}
.pd-preview h3{margin-bottom:4px}
.pv-pages{display:flex;gap:14px;overflow-x:auto;padding:12px 2px 8px;scroll-snap-type:x mandatory}
.pv-page{flex:0 0 auto;width:min(290px,70vw);scroll-snap-align:start;cursor:zoom-in;position:relative;margin:0}
.pv-page canvas{width:100%;height:auto;display:block;border-radius:6px;border:1px solid var(--line);box-shadow:0 8px 20px rgba(0,0,0,.08);background:#fff}
.pv-page figcaption{position:absolute;bottom:8px;right:8px;background:rgba(0,0,0,.6);color:#fff;font-size:.7rem;padding:1px 9px;border-radius:999px}
.pv-zoom{position:fixed;inset:0;background:rgba(17,24,39,.85);z-index:120;display:flex;align-items:center;justify-content:center;padding:16px;cursor:zoom-out}
.pv-zoom[hidden]{display:none}.pv-zoom img{max-width:100%;max-height:100%;border-radius:6px}
.pd-reco{padding-top:16px}
@media(max-width:760px){.pd-top{grid-template-columns:1fr;gap:22px}.pd-cover-wrap{max-width:230px;margin:0 auto;width:100%}.pd-info{text-align:center}.pd-facts,.pd-price{justify-content:center}.pd-info .btn.big{margin-left:auto;margin-right:auto}}
/* "next eBook is FREE" state: body.next-free is set when adding one more book completes an offer */
.nf{display:none}
.free-banner{display:none;background:linear-gradient(135deg,#2b8a3e,#37b24d);color:#fff;text-align:center;font-weight:700;padding:9px 16px;font-size:.95rem;position:sticky;top:64px;z-index:45}
body.next-free .free-banner{display:block}
body.next-free :is(.book,.pd-info):not(.incart):not(.zero) .nf{display:inline-block;background:#2b8a3e;color:#fff;font-size:.8rem}
body.next-free :is(.book,.pd-info):not(.incart):not(.zero) .price b{text-decoration:line-through;color:var(--muted);font-size:.95rem!important}
body.next-free :is(.book,.pd-info):not(.incart):not(.zero) .price s,body.next-free :is(.book,.pd-info):not(.incart):not(.zero) .price .off{display:none}
body.next-free .book:not(.incart):not(.zero){border-color:#8ce99a;box-shadow:0 0 0 2px #d3f9d8}