html{background:#f5f7fa;color:#192542;color-scheme:light;font-family:system-ui,sans-serif}body.nho-reader-standalone{margin:0}.studio-header{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:14px max(20px,calc((100vw - 1240px)/2));background:#fff;color:#192542;border-bottom:1px solid #e1e6ef}.studio-brand{display:flex;gap:12px;align-items:center;text-decoration:none;color:inherit;font-size:22px;font-weight:700}.studio-brand img{width:48px;height:48px;object-fit:contain}.studio-brand-name{display:block;line-height:1.2;letter-spacing:-.02em}.studio-brand-name small{display:block;font-size:12px;font-weight:400;letter-spacing:.04em;color:#667087;margin-top:5px}.studio-header nav{display:flex;gap:12px;flex-wrap:wrap}.studio-header button{border:1px solid #65708b;border-radius:30px;background:transparent;color:inherit;padding:10px 16px;cursor:pointer}.studio-header button[data-install]{background:#ff7418;color:#192542;border-color:#ff7418}.studio-welcome{max-width:740px;margin:6vh auto;padding:32px}.studio-kicker{font-size:12px;letter-spacing:.15em;color:#795533}.studio-welcome h1{font-size:clamp(34px,6vw,64px);line-height:1.1;letter-spacing:-.04em}.studio-welcome p{line-height:1.8;max-width:60ch}.studio-primary{display:inline-block;margin:18px 0;padding:15px 24px;background:#192542;border-radius:30px;color:#fff;text-decoration:none}.studio-footer{text-align:center;color:#56617a;font-size:12px;line-height:1.8;padding:28px}#nho-book-app{max-width:1240px;margin:28px auto;color-scheme:light}#nho-book-app .library-view{background:transparent;padding:28px}#nho-book-app .library-view h1{font-size:clamp(32px,4vw,48px);letter-spacing:-.035em}#nho-book-app .nho-book-card{box-shadow:0 8px 24px #19254208;padding:14px;border-radius:18px;min-width:0;display:flex;flex-direction:column}#nho-book-app .nho-book-card h2{font-size:18px;line-height:1.35;margin:14px 0 10px;overflow-wrap:anywhere}#nho-book-app .nho-book-card button{border:1px solid #192542;background:#192542;color:#fff;padding:10px 12px;border-radius:12px;margin:6px 0 0;min-height:44px}#nho-book-app .nho-book-card button+button{background:#fff;color:#192542}#nho-book-app .nho-savebar{border-radius:14px;padding:14px 22px;color:#56617a;background:#fff}#nho-book-app [hidden],[hidden]{display:none!important}@media(max-width:600px){.studio-header{padding:16px;align-items:flex-start;flex-wrap:wrap}.studio-brand{font-size:18px}.studio-brand img{width:42px;height:42px}.studio-header nav{flex:1 1 auto;justify-content:flex-end}.studio-header button{min-height:44px}#nho-book-app{margin:12px}#nho-book-app .library-view{padding:12px}.studio-welcome{padding:20px;margin:30px auto}}

.studio-install-help{box-sizing:border-box;width:min(480px,calc(100vw - 32px));border:1px solid #dfe4eb;border-radius:20px;padding:24px;background:#fff;color:#192542;box-shadow:0 20px 70px #19254226}.studio-install-help::backdrop{background:#10193699}.studio-install-help header{display:flex;gap:16px;justify-content:space-between;align-items:start}.studio-install-help h2{font-size:22px;line-height:1.25;margin:0 0 16px}.studio-install-help p{line-height:1.7}.studio-install-help button{font:inherit;min-height:44px;border:1px solid #cbd3df;border-radius:12px;padding:8px 12px;background:#fff;color:#192542;cursor:pointer}.studio-install-help button:focus-visible{outline:3px solid #ff7418;outline-offset:3px}

.studio-header button:focus-visible{outline:3px solid #ff7418;outline-offset:3px}.studio-header button:disabled{cursor:wait;opacity:.75}@media(display-mode:standalone){.studio-header [data-install]{display:none!important}}

.studio-tabs{display:flex;gap:8px;padding:0 28px;margin:12px 0 30px;flex-wrap:wrap}.studio-tabs button,.studio-store button,.studio-sample button{font:inherit;min-height:44px;padding:10px 18px;border:1px solid #d0d6df;border-radius:24px;background:#fff;color:#192542;cursor:pointer}.studio-tabs button[aria-pressed=true]{background:#192542;color:white;border-color:#192542}.studio-store{padding:0 28px 28px}.studio-store-intro{max-width:760px;margin:0 0 24px}#nho-book-app .studio-store-intro h1{color:#192542;font-size:clamp(28px,4vw,44px);line-height:1.12;letter-spacing:-.035em;margin:10px 0 16px}.studio-store-intro p{line-height:1.6;color:#526078;margin:8px 0}.studio-store-intro .studio-store-access{font-size:14px}.studio-store-filters{display:flex;align-items:end;gap:16px;margin-bottom:26px;flex-wrap:wrap}#nho-book-app .studio-store-filters label{color:#526078;flex:1;min-width:180px;font-size:14px;font-weight:600}#nho-book-app .studio-store-filters input,#nho-book-app .studio-store-filters select,#nho-book-app .studio-sample select{display:block;box-sizing:border-box;width:100%;min-height:46px;margin-top:8px;border:1px solid #cbd3df;border-radius:12px;padding:10px 14px;font:inherit;background:#fff;color:#192542}.studio-store-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,270px),1fr));gap:18px}.studio-store-card{min-width:0;display:flex;flex-direction:column;overflow:hidden;border:1px solid #dfe4eb;border-radius:24px;background:#fff;box-shadow:0 12px 32px #19254206}.studio-store-card>img{box-sizing:border-box;width:100%;aspect-ratio:2/3;height:auto;max-height:280px;object-fit:contain;background:#edf0f4;padding:12px}.studio-cover-placeholder{height:250px;background:#e7ebf2;display:grid;place-content:center;font:28px Georgia,serif;color:#192542}.studio-store-card-body{display:flex;flex-direction:column;flex:1;padding:16px;gap:10px}#nho-book-app .studio-store-card-body h2{font-size:18px;line-height:1.35;margin:0;overflow-wrap:anywhere;display:block}.studio-store-card-body p{margin:0;line-height:1.55;font-size:14px}.studio-store-card-body>p:not(.studio-kicker):not(.studio-book-price){color:#536078}.studio-book-price{font-size:19px;font-weight:700;color:#192542}.studio-book-availability{font-size:13px}.studio-book-actions{display:flex;gap:12px;flex-wrap:wrap;align-items:center;margin-top:auto;padding-top:10px}.studio-buy{display:inline-block;border-radius:24px;padding:12px 20px;background:#ff7418;color:#192542;font-weight:700;text-decoration:none;min-height:44px;box-sizing:border-box}.studio-book-details{font-size:14px;color:#192542;text-underline-offset:4px}.studio-unavailable{font-size:13px;color:#765333}.studio-store-card-body small,.studio-store-fine{font-size:12px;color:#657086;line-height:1.7}.studio-store-fine{margin-top:34px;max-width:85ch}.studio-store-pages{display:flex;align-items:center;justify-content:center;gap:18px;margin:28px 0}.studio-sample{box-sizing:border-box;width:min(960px,calc(100vw - 24px));max-height:calc(100dvh - 24px);border:0;border-radius:22px;padding:24px;background:#f5f7fa;color:#192542}.studio-sample::backdrop{background:#101936b8}.studio-sample header,.studio-sample footer{display:flex;align-items:center;justify-content:space-between;gap:16px}.studio-sample h2{font-size:24px;margin:8px 0}.studio-sample-tools{display:flex;gap:16px;flex-wrap:wrap;align-items:center;margin:18px 0}.studio-sample-tools label{flex:1;min-width:140px;font-size:13px}.studio-sample-tools input{display:block;width:100%;margin-top:12px}.studio-sample iframe{display:block;box-sizing:border-box;width:100%;height:55dvh;min-height:250px;border:1px solid #d6dce5;border-radius:14px;background:#eeeeee}.studio-sample footer{margin:16px 0}.studio-sample>p{font-size:13px;line-height:1.7}.studio-sample button:disabled{opacity:.4;cursor:default}.studio-tabs button:focus-visible,.studio-store :is(button,a,input,select):focus-visible,.studio-sample :is(button,a,input,select):focus-visible{outline:3px solid #ff7418;outline-offset:3px}@media(max-width:600px){.studio-tabs{padding:0 12px}.studio-store{padding:0 12px 24px}.studio-store-grid{grid-template-columns:minmax(0,1fr);gap:18px}.studio-store-filters label{min-width:100%}.studio-store-card>img{height:auto;padding:10px}.studio-store-card-body{padding:12px}.studio-book-actions{gap:8px}.studio-book-actions>*{box-sizing:border-box;width:100%;text-align:center}.studio-store-card .studio-buy,.studio-store-card button{padding:9px 8px;font-size:13px;border-radius:12px}.studio-sample{padding:16px}.studio-sample h2{font-size:20px}.studio-sample-tools{gap:10px}.studio-sample-tools label{min-width:120px}.studio-sample header{align-items:start}.studio-sample-actions{flex-wrap:wrap;justify-content:flex-end}.studio-sample header button{padding:10px 12px}}

#nho-book-app .studio-store{font-family:system-ui,sans-serif;font-size:16px}#nho-book-app .studio-store-intro h1,#nho-book-app .studio-store-card-body h2{font-family:system-ui,sans-serif}

.studio-sample header{position:sticky;top:-24px;z-index:1;background:#f5f7fa;padding:12px 0}@media(max-width:600px){.studio-sample header{top:-16px}}
.studio-sample-actions{display:flex;gap:8px;flex-shrink:0;max-width:55%;flex-wrap:wrap;justify-content:flex-end}.studio-sample header>div:first-child{min-width:0;flex:1}#nho-book-app .studio-tabs button{background:#fff;color:#192542;border-color:#d0d6df}#nho-book-app .studio-tabs button[aria-pressed=true]{background:#192542;color:#fff;border-color:#192542}#nho-book-app .studio-store-filters input::placeholder{color:#667087;opacity:1}
.studio-sample.is-expanded{overflow:hidden;position:fixed;inset:0;width:100vw;height:100dvh;max-width:none;max-height:none;margin:0;border-radius:0;padding:8px;display:flex;flex-direction:column;gap:8px;background:var(--sample-paper,#eeeeee);color:var(--sample-ink,#262626)}.studio-sample.is-expanded iframe{flex:1;min-height:0;height:auto;border:0;border-radius:0;background:var(--sample-paper,#eeeeee)}.studio-sample.is-expanded header{position:static;padding:0;background:inherit;justify-content:flex-end}.studio-sample.is-expanded header>div:first-child,.studio-sample.is-expanded [data-sample-close],.studio-sample.is-expanded>p,.studio-sample.is-expanded [data-sample-buy],.studio-sample.is-expanded [data-sample-unavailable]{display:none}.studio-sample.is-expanded .studio-sample-actions{max-width:none;flex-wrap:nowrap}#nho-book-app .studio-sample.is-expanded button{background:var(--sample-paper,#eeeeee);color:var(--sample-ink,#262626);border-color:currentColor;border-radius:12px;padding:8px 14px;font-size:14px;font-weight:600;min-height:44px}.studio-sample.is-expanded:not(.sample-setup-open) .studio-sample-tools{display:none}.studio-sample.is-expanded.sample-setup-open .studio-sample-tools{display:flex;max-height:40dvh;overflow:auto;margin:0;padding:8px}.studio-sample.is-expanded footer{flex:none;margin:0;min-height:44px;font-size:12px}.studio-sample.is-expanded [data-sample-setup][aria-expanded=true]{outline:2px solid #ff7418;outline-offset:-2px}
body.nho-reader-fullscreen .studio-header,body.nho-reader-fullscreen .studio-footer,body.nho-reader-fullscreen .studio-tabs,body.nho-reader-fullscreen .nho-savebar{display:none}
@media(max-width:600px){.studio-header nav{gap:8px}.studio-header button{padding:10px 14px}.studio-sample[open]{position:fixed;inset:0;width:100vw;height:100dvh;max-width:none;max-height:none;margin:0;border-radius:0;display:flex;flex-direction:column;gap:8px;padding:12px}.studio-sample[open] iframe{flex:1;min-height:0;height:auto}.studio-sample[open] header{position:static;padding:0}.studio-sample[open] .studio-sample-tools{margin:0;gap:8px}.studio-sample[open] footer{margin:0}.studio-sample[open]>p{margin:0}.studio-sample-actions{gap:6px}.studio-sample h2{font-size:17px}.studio-sample .studio-kicker{margin:0 0 5px}}

body.nho-sample-open{overflow:hidden}
.studio-sample .sample-offer{display:flex;align-items:center;justify-content:space-between;gap:10px;flex:none;white-space:nowrap;font-size:12px;min-width:0}.studio-sample .sample-offer .studio-buy{padding:9px 14px;min-height:40px;font-size:13px}.studio-sample.is-expanded .sample-offer{display:none}
@media(hover:none) and (pointer:coarse){.studio-sample footer>button{display:none}.studio-sample.is-expanded footer{min-height:24px;justify-content:center}}
/* Native catalogue categories and purchase facts remain separate from the book summary. */
.studio-store-grid:has(>.studio-store-card:only-child){grid-template-columns:minmax(0,760px)}
.studio-book-labels{display:flex;gap:6px;flex-wrap:wrap;align-items:center}.studio-book-labels .studio-kicker{display:inline-flex;align-items:center;margin:0;padding:6px 10px;border-radius:999px;background:#fff0e3;color:#81421b;font-size:12px;line-height:1.2;font-weight:650;letter-spacing:0}.studio-book-meta{display:grid;gap:8px;padding:12px 14px;background:#f5f7fa;border:1px solid #e5e8ef;border-radius:12px}.studio-book-meta .studio-book-price{margin:0;color:#192542;font-size:24px;font-weight:750;line-height:1.2}.studio-price-label{display:block;font-size:10px;line-height:1.4;font-weight:550;letter-spacing:.06em;text-transform:uppercase;color:#657086;margin-bottom:4px}.studio-book-meta .studio-book-availability{color:#59647a;font-size:13px;line-height:1.5}.studio-store-card-body .studio-book-summary{color:#536078;font-size:14px;line-height:1.65}
@media(min-width:601px){.studio-store-card:only-child{display:grid;grid-template-columns:minmax(160px,32%) minmax(0,1fr);align-items:center}.studio-store-card:only-child>img{max-height:360px;padding:24px}.studio-store-card:only-child .studio-store-card-body{padding:28px}.studio-store-card:only-child .studio-store-card-body h2{font-size:24px}}
@media(max-width:600px){.studio-store-card{display:grid;grid-template-columns:clamp(84px,28vw,110px) minmax(0,1fr);align-items:start;gap:12px 16px;padding:18px;border-radius:20px}.studio-store-card>img,.studio-cover-placeholder{grid-column:1;grid-row:3;width:100%;max-height:168px;padding:0;border-radius:4px;background:#fff;align-self:center}.studio-store-card-body{display:contents}.studio-store-card-body>*{min-width:0}.studio-book-labels{grid-column:1/-1;grid-row:1}#nho-book-app .studio-store-card-body h2{grid-column:1/-1;grid-row:2;font-size:20px;line-height:1.3;overflow-wrap:anywhere;margin:0}.studio-book-meta{grid-column:2;grid-row:3;align-self:center;padding:12px;gap:8px}.studio-book-meta .studio-book-price{font-size:23px}.studio-book-summary{grid-column:1/-1;grid-row:4}.studio-store-card-body .studio-book-actions{grid-column:1/-1;grid-row:5}.studio-book-actions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;padding-top:2px;margin:0}.studio-book-actions>*{width:auto;min-width:0}.studio-book-actions .studio-book-details{grid-column:1/-1;justify-self:center;padding:6px}.studio-store-card .studio-buy,.studio-store-card button{font-size:14px;padding:11px 10px;min-height:46px}.studio-store-fine{margin-top:24px}.studio-store-pages:has([data-store-previous][hidden]):has([data-store-next][hidden]){display:none}}