:root{--bg:#f4f6f8;--paper:#fff;--ink:#17324d;--muted:#617184;--line:#dce3ea;--accent:#ad7836;--red:#a13838;--font:"Segoe UI",Arial,Helvetica,sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.65 var(--font);-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button,a,input,select,textarea{outline-offset:4px}button{cursor:pointer}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #638ab6}header{background:#fff;border-top:4px solid var(--ink);border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;padding:22px max(5%,calc((100vw - 1240px)/2));gap:24px}.brand{display:flex;align-items:center;gap:13px;font-size:19px;font-weight:600;line-height:1.4}.brand small{display:block;font-size:10px;letter-spacing:.7px;font-weight:400;color:var(--muted);margin-top:4px}.brandmark{display:grid;place-items:center;width:46px;height:46px;background:var(--ink);color:white;border-radius:5px;font-size:20px;font-weight:700;flex-shrink:0}nav{display:flex;align-items:center;gap:24px;font-size:14px;font-weight:500}nav a:hover,.text-link:hover{color:#a36c2d}#cart-count{background:#edf1f5;border-radius:20px;padding:2px 7px;font-size:12px}#account-link{border:1px solid var(--line);border-radius:5px;padding:9px 15px}main{max-width:1360px;margin:auto}h1,h2,h3{font-family:var(--font);line-height:1.35;font-weight:650;letter-spacing:-.4px}h1{font-size:clamp(32px,3.4vw,48px);margin:12px 0 22px}h1 em{font-style:normal;color:var(--ink);font-weight:650}h2{font-size:29px;margin:8px 0 20px}h3{font-size:19px}.hero{display:grid;grid-template-columns:1.2fr 1fr;gap:70px;padding:64px 5% 58px;align-items:center;background:#fff;border-bottom:1px solid var(--line)}.eyebrow{font-size:12px;font-weight:700;letter-spacing:1px;margin:0 0 16px;color:#8a602c}.lead{max-width:570px;color:var(--muted);font-size:16px;line-height:1.8;margin-bottom:25px}.button{background:var(--ink);color:#fff;border:1px solid var(--ink);border-radius:5px;padding:12px 20px;display:inline-flex;align-items:center;justify-content:center;gap:14px;font-size:14px;font-weight:600;transition:background .15s}.button:hover{background:#284f73}.button:disabled{opacity:.5;cursor:default}.text-link{display:inline-block;margin:14px;font-size:14px;color:#365e83}.hero-stats{display:flex;gap:32px;margin-top:32px;padding-top:23px;border-top:1px solid var(--line)}.hero-stats strong{display:block;font-size:25px;font-weight:650}.hero-stats small{font-size:11px;color:var(--muted)}.subject-directory{background:#f7f9fb;border:1px solid var(--line);border-radius:8px;padding:26px 28px}.directory-heading{display:flex;justify-content:space-between;align-items:center;gap:15px;border-bottom:1px solid var(--line);padding-bottom:16px}.directory-heading h2{font-size:20px;margin:0}.directory-heading span{font-size:12px;color:var(--muted)}.subject-directory ol{list-style:none;padding:0;margin:6px 0 0}.subject-directory li a{display:flex;align-items:center;gap:16px;padding:13px 0;border-bottom:1px solid var(--line);font-weight:500;font-size:15px}.subject-directory li:last-child a{border:0}.subject-directory li a:hover{color:#a36c2d}.subject-directory li span{font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums}.subject-directory li b{margin-left:auto;color:#8795a3;font-weight:400}.subject-strip{display:flex;gap:20px;justify-content:space-between;padding:17px 5%;border-bottom:1px solid var(--line);font-size:12px;background:#fff}.subject-strip i{color:#a8b3be;font-style:normal}.section{padding:48px 5% 64px}.section-head{display:flex;justify-content:space-between;align-items:end;gap:20px}.section-head .eyebrow{margin-bottom:8px}.section-head h2{margin-bottom:0}.muted{color:var(--muted);font-size:14px}.filters{display:flex;gap:14px;margin:25px 0 18px}.filters input{border:0;background:transparent;width:100%;outline:none;padding:13px}.search-label{display:flex!important;align-items:center;gap:2px;border:1px solid var(--line);border-radius:5px;background:var(--paper);padding-left:16px;flex:1;font-size:22px;color:var(--muted)}.filters select{width:290px}.tabs{display:flex;flex-wrap:wrap;gap:8px;margin:20px 0 28px}.tabs button,.outline{border:1px solid var(--line);border-radius:5px;background:#fff;color:var(--ink);padding:9px 14px;font-size:13px;display:inline-block}.tabs button:hover,.outline:hover{border-color:#7f96ad;background:#f1f5f8}.tabs button.active{color:white;background:var(--ink);border-color:var(--ink)}.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.card{background:var(--paper);border:1px solid var(--line);border-radius:7px;overflow:hidden;display:flex;flex-direction:column;transition:box-shadow .15s}.card:hover{box-shadow:0 5px 18px #17324d12;border-color:#a9bbc9}.cover{min-height:125px;padding:22px 24px;background:#e8eff5;color:#264b6a;border-bottom:1px solid #dce5ed}.cover small{font-size:11px;color:#60778b}.cover strong{display:block;font-size:20px;font-weight:600;line-height:1.45;margin-top:9px}.cover.c1{background:#f2eee6;color:#71572f}.cover.c2{background:#e9efec;color:#365d4e}.card-body{padding:22px;flex:1;display:flex;flex-direction:column}.card .tag{font-size:12px;color:var(--muted)}.card h3{margin:11px 0 20px;font-size:18px;line-height:1.55;min-height:82px}.card h3 button{font:inherit;text-align:left;color:inherit;border:0;background:none;padding:0}.card h3 button:hover{color:#9a692c}.card-bottom{margin-top:auto;display:flex;justify-content:space-between;gap:10px;align-items:center;border-top:1px solid var(--line);padding-top:17px}.price{font-size:17px}.mini{padding:8px 12px;font-size:12px}.guide{padding:42px 5% 48px;background:#eaf0f5;border-top:1px solid var(--line)}.guide h2{font-size:27px}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;margin-top:30px}.steps article>span{font-size:14px;font-weight:700;color:#8a602c}.steps h3{margin:9px 0}.steps p{color:var(--muted);font-size:14px;margin:0}footer{background:#fff;padding:34px max(5%,calc((100vw - 1240px)/2));border-top:1px solid var(--line);font-size:14px}footer small{color:var(--muted);font-size:12px}.panel{background:var(--paper);border:1px solid var(--line);border-radius:8px;padding:30px}.auth-layout{display:grid;grid-template-columns:1fr 1fr;gap:9%;padding:65px 8% 85px;align-items:start}.auth-layout h1{font-size:40px}.quote{font-size:18px;margin-top:32px;border-left:3px solid #af8148;padding-left:18px;color:var(--muted)}.auth-layout .panel h2{font-size:26px}.auth-layout .tabs{margin-top:0}form label{display:block;font-size:14px;font-weight:500;margin:16px 0}input,select,textarea{display:block;width:100%;border:1px solid #cbd5df;border-radius:5px;padding:11px 13px;background:var(--paper);color:var(--ink);min-width:0}form label input,form label select,form label textarea{margin-top:7px;font-weight:400}textarea{resize:vertical;line-height:1.75}.full{width:100%;margin:14px 0}.cart-layout{display:grid;grid-template-columns:1.5fr 1fr;gap:32px;margin-top:30px;align-items:start}.cart-row{display:flex;align-items:center;gap:20px;padding:24px 0;border-bottom:1px solid var(--line)}.cart-row>div{flex:1}.cart-row h3{font-size:18px;margin:5px 0 8px}.remove{background:none;border:0;text-decoration:underline;color:var(--red);font-size:14px}.total{display:flex;justify-content:space-between;gap:16px;padding:22px 0}.total b{font-size:24px}.dot{color:var(--accent)}.narrow{max-width:850px;margin:auto}.notice{background:#fcf4e6;border-left:3px solid #b58b44;padding:17px;font-size:14px;margin-bottom:25px}.success{background:#eaf4ec;border-color:#4f875c}.payment-code{font:18px/1.5 Consolas,monospace;word-break:break-all;background:var(--bg);padding:16px;display:block}.bank-details{display:grid;grid-template-columns:1fr 1fr;gap:12px}.order{margin:24px 0;padding:26px;background:var(--paper);border:1px solid var(--line);border-radius:7px}.order-head{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:14px}.badge{background:#edf2f6;border-radius:4px;padding:5px 10px;font-size:12px}.order-item{display:flex;justify-content:space-between;gap:20px;border-top:1px solid var(--line);padding:15px 0;font-size:14px}.admin-layout{display:grid;grid-template-columns:1.25fr 1fr;gap:30px;margin-top:30px}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}.check{display:flex;align-items:center;gap:10px}.check input{width:auto;margin:0}.admin-item{padding:20px 0;border-bottom:1px solid var(--line);display:flex;gap:15px;align-items:center}.admin-item>div{flex:1;min-width:0}.admin-item h3{font-size:16px;margin:0 0 6px;line-height:1.5}.empty{padding:45px 20px;text-align:center;border:1px dashed #bcc9d5;border-radius:7px;grid-column:1/-1;background:#fff}dialog{border:1px solid var(--line);border-radius:9px;padding:32px;background:var(--paper);color:var(--ink);max-width:750px;width:92%;max-height:85vh}dialog::backdrop{background:#10253c99}.close{float:right;border:0;background:none;font-size:28px;color:var(--ink)}.article-content{white-space:pre-wrap;overflow-wrap:anywhere;color:#465c70;line-height:1.85}#toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%);padding:14px 22px;border-radius:6px;background:var(--ink);color:white;box-shadow:0 5px 25px #0002;z-index:20;max-width:90vw;font-size:14px}hr{border:0;border-top:1px solid var(--line)}[hidden]{display:none!important}
@media(max-width:1000px){header{align-items:start;flex-direction:column;padding:20px 5%}nav{flex-wrap:wrap;gap:20px}.hero{gap:30px}.hero-stats{gap:20px}.subject-strip{overflow:auto;justify-content:start;white-space:nowrap}.grid{grid-template-columns:repeat(2,minmax(0,1fr))}.admin-layout{grid-template-columns:1fr}.auth-layout{gap:30px;padding:45px 5%}.steps{gap:25px}.cart-layout{grid-template-columns:1.2fr 1fr}}
@media(max-width:640px){body{font-size:15px}header{padding:17px 5%;gap:16px}.brand{font-size:17px}.brand small{font-size:9px}nav{gap:14px;font-size:13px;width:100%}#account-link{padding:6px 10px}.hero{grid-template-columns:1fr;padding:32px 5%;gap:28px}.hero h1{font-size:34px}.hero-stats{gap:25px;margin-top:24px}.hero-stats small{font-size:10px}.subject-directory{padding:20px}.grid{grid-template-columns:1fr}.filters,.section-head{flex-direction:column;align-items:stretch}.filters select{width:100%}.section{padding:32px 5% 42px}h2,.section-head h2{font-size:25px}.steps,.auth-layout,.cart-layout,.form-row{grid-template-columns:1fr}.auth-layout{padding:32px 5%}.auth-layout h1{font-size:32px}.quote{display:none}.panel{padding:22px}.bank-details{grid-template-columns:1fr}.order{padding:20px}.order-head{font-size:13px}h1{font-size:32px}.text-link{margin-left:10px}.admin-layout{gap:25px}.card h3{min-height:0}.tabs{gap:7px}.tabs button{font-size:12px;padding:8px 11px}.steps{gap:24px}dialog{padding:23px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
/* Search and pagination */
.filters{flex-wrap:wrap}.search-label{min-width:240px}.filters #search-mode{width:215px}.filters #subject{width:270px}.pagination{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;margin-top:26px;font-size:14px}.pagination:empty{display:none}.pagination p{margin:0}.page-buttons{display:flex;align-items:center;gap:6px;flex-wrap:wrap}.page-buttons button{min-width:38px;min-height:38px;padding:7px 11px;background:#fff;border:1px solid var(--line);border-radius:5px;color:var(--ink);font-size:13px}.page-buttons button:hover:not(:disabled){border-color:#7f96ad;background:#edf2f6}.page-buttons button[aria-current="page"]{background:var(--ink);border-color:var(--ink);color:#fff;font-weight:600}.page-buttons button:disabled{opacity:.4;cursor:default}.page-gap{padding:0 3px;color:var(--muted)}#admin-pagination{align-items:flex-start}#products,#orders,#admin-list,#cart-items{scroll-margin-top:24px}@media(max-width:640px){.filters #search-mode,.filters #subject{width:100%}.search-label{min-width:0}.pagination{align-items:flex-start;gap:12px}.page-buttons{gap:4px}.page-buttons button{min-width:34px;padding:7px 9px}}
#menu-toggle{display:none}#main-nav{flex-wrap:wrap;gap:12px}#main-nav a{padding:8px;border-radius:6px}#main-nav a:hover{background:#edf2f6}.admin-layout{grid-template-columns:minmax(0,1fr);align-items:start}.admin-layout>.panel{order:2}.admin-layout>div:last-child{order:1}.admin-filters{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:12px 0}.bulk-bar{display:flex;align-items:center;flex-wrap:wrap;gap:12px;padding:14px;background:#eaf0f5;border-radius:8px;margin:16px 0}.bulk-bar .check{margin:0}.check input,.post-select{width:20px;height:20px;flex-shrink:0;accent-color:var(--ink)}.item-actions{display:flex;gap:8px;flex:0!important}.danger{color:#a13838;border-color:#dcaeae}.button.danger{background:#a13838;color:#fff;border-color:#a13838}.admin-item{background:white;padding:16px;border:1px solid var(--line);border-radius:8px;margin:10px 0}.admin-item h3{overflow-wrap:anywhere}#editor{scroll-margin-top:20px}
@media(max-width:1000px){header{flex-direction:row;align-items:center;flex-wrap:wrap;gap:12px}#menu-toggle{display:block;min-height:44px}#main-nav{display:none;width:100%;padding:12px;background:#f4f6f8;border-radius:10px;grid-template-columns:1fr 1fr;gap:8px}#main-nav.is-open{display:grid}#main-nav a{background:white;padding:12px;min-height:44px;border:1px solid var(--line)}.brand small{letter-spacing:0}}
@media(max-width:640px){.brand small{display:none}.brandmark{width:36px;height:36px}.brand{font-size:14px;gap:8px}.admin-filters{grid-template-columns:1fr}.admin-item{flex-wrap:wrap;gap:10px}.item-actions{margin-left:30px;width:100%}.item-actions button{flex:1}.bulk-bar button{min-height:44px}.bulk-bar{gap:10px}.section-head h1{font-size:28px}}
@media(max-width:1000px){#menu-toggle{display:inline-flex;align-items:center;gap:8px;border-radius:10px}#menu-toggle[aria-expanded="true"]{background:var(--ink);color:white}#main-nav{align-items:stretch;padding:12px;box-shadow:0 8px 24px #17324d12}#main-nav a,#main-nav #account-link{display:flex;align-items:center;min-height:58px;padding:14px;border-radius:10px;font-size:14px;overflow-wrap:anywhere}#main-nav #admin-link,#main-nav [data-admin-nav]{background:#e8eff7;border-color:#c7d6e6}#main-nav #cart-count{margin-left:8px}}
@media(max-width:360px){#main-nav{grid-template-columns:1fr}}

.subject-management{display:grid;grid-template-columns:minmax(260px,.8fr) minmax(0,1.2fr);gap:28px;align-items:start;margin-top:28px}.subject-management label[for]{display:block;margin-bottom:8px}.outline:disabled{opacity:.45;cursor:default}@media(max-width:760px){.subject-management{grid-template-columns:1fr}.subject-management .item-actions{margin-left:0}}

[hidden]{display:none!important}.post-title{background:none;border:0;padding:0;text-align:left;font:inherit;color:inherit;cursor:pointer}.post-title:hover{text-decoration:underline}.post-image{display:block;max-width:100%;max-height:320px;object-fit:contain;margin:16px 0}.cover{position:relative;overflow:hidden}.cover-image{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.cover:has(.cover-image) small,.cover:has(.cover-image) strong{position:relative;background:#ffffffdf;color:#17324d;padding:4px;border-radius:4px}.order-head{flex-wrap:wrap;gap:12px}

/* Keep selection, content and edit action inside each management row. */
.admin-layout>div,.subject-management>div,#manage-list,#admin-list,#subject-list,#orders{min-width:0}
#admin-list .admin-item,#subject-list .admin-item{display:grid;grid-template-columns:20px minmax(0,1fr) auto;align-items:center;gap:12px;width:100%;max-width:100%}
#admin-list .admin-item>.item-actions,#subject-list .admin-item>.item-actions{width:auto;min-width:0;margin:0;justify-self:end;align-self:center}
#admin-list .item-actions button,#subject-list .item-actions button{flex:none;white-space:nowrap;min-height:40px}
.admin-item .muted{overflow-wrap:anywhere}.order-actions{display:flex;flex-wrap:wrap;gap:10px;align-items:center}.order-actions>*{max-width:100%;white-space:normal}.order-head>b,.order-item>span{min-width:0;overflow-wrap:anywhere}
@media(max-width:640px){#admin-list .admin-item,#subject-list .admin-item{padding:12px;gap:10px}#admin-list .item-actions button,#subject-list .item-actions button{padding:8px 12px;min-height:44px}}

/* Image-backed library cards: one continuous image beneath all content. */
.card[data-image]{position:relative;isolation:isolate;background:#17324d;color:#fff;border-color:#53667b;min-height:360px}
.card[data-image]>.cover-image{z-index:-2;object-position:center;pointer-events:none}
.card[data-image]::before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,rgba(7,20,34,.76) 0%,rgba(7,20,34,.52) 40%,rgba(7,20,34,.9) 100%);pointer-events:none}
.card[data-image] .cover{background:transparent;border:0;min-height:110px;padding-bottom:10px;color:#fff}
.card[data-image] .cover small{display:inline-block;color:#fff;background:#112a43c9;border:1px solid #ffffff45;border-radius:4px;padding:3px 8px;font-size:11px}
.card[data-image] .cover strong{color:#ffe1a3;font-size:18px;font-weight:650;line-height:1.5;text-shadow:0 1px 4px #000;overflow-wrap:anywhere}
.card[data-image] .card-body{background:transparent;padding-top:14px}
.card[data-image] .tag{color:#f1f5f9;font-size:12px;font-weight:500;text-shadow:0 1px 3px #000}
.card[data-image] h3{font-size:20px;line-height:1.5;font-weight:700;text-shadow:0 2px 5px #000;margin-top:10px;overflow-wrap:anywhere}
.card[data-image] h3 button{color:#fff}.card[data-image] h3 button:hover{color:#ffe1a3}
.card[data-image] .card-bottom{border-color:#ffffff50;flex-wrap:wrap}
.card[data-image] .price{color:#fff;font-weight:700;text-shadow:0 1px 3px #000}
.card[data-image] .card-bottom>.muted{color:#f1f5f9}
.card[data-image] .button{background:#fff;color:#17324d;border-color:#fff;text-shadow:none}.card[data-image] .button:hover{background:#ffe1a3;border-color:#ffe1a3}
.card[data-image] button:focus-visible{outline-color:#ffe1a3}
@media(max-width:640px){.card[data-image]{min-height:340px}.card[data-image] h3{font-size:19px}}

#main-nav #nav-logout{white-space:nowrap;min-height:40px}@media(max-width:1000px){#main-nav #nav-logout{display:flex;align-items:center;justify-content:center;min-height:58px;padding:14px;border-radius:10px;font-size:14px}}

/* High-contrast primary navigation. */
header{background:#17324d;color:#fff;border-top-color:#cba368;border-bottom-color:#244a6b;box-shadow:0 3px 12px #10253c18}
header .brand{color:#fff}header .brandmark{background:#fff;color:#17324d}header .brand small{color:#d0ddeb}
#main-nav a{color:#f4f8fc}#main-nav a:hover{color:#fff;background:#ffffff1a}
#main-nav #cart-count{background:#ffffff26;color:#fff}
#main-nav #account-link{background:#fff;color:#17324d;border-color:#fff;font-weight:600}#main-nav #account-link:hover{background:#f6e8d1;border-color:#f6e8d1;color:#17324d}
#main-nav #nav-logout,header #menu-toggle{background:transparent;color:#fff;border-color:#ffffff80}#main-nav #nav-logout:hover,header #menu-toggle:hover{background:#ffffff1a;border-color:#fff}
header a:focus-visible,header button:focus-visible{outline-color:#ffe1a3}
@media(max-width:1000px){#main-nav{background:#112a43;box-shadow:none}#main-nav a,#main-nav #admin-link,#main-nav [data-admin-nav]{background:#203f5b;color:#fff;border-color:#456079}#main-nav a:hover{background:#2b506f}header #menu-toggle[aria-expanded="true"]{background:#fff;color:#17324d}}

.brand-logo{width:52px;height:52px;object-fit:contain;flex-shrink:0;border-radius:6px;background:#fff;padding:3px}#brand-name{font-weight:650}.branding-panel{max-width:760px;margin-top:28px}.branding-preview{display:flex;align-items:center;min-height:90px;padding:16px;background:#edf2f6;border:1px dashed #bcc9d5;border-radius:6px;color:#465c70}.branding-preview img{max-width:220px;max-height:120px;object-fit:contain}.branding-panel .item-actions{flex-wrap:wrap;margin-left:0;width:auto}@media(max-width:640px){.brand-logo{width:40px;height:40px}header>.brand{min-width:0;max-width:calc(100% - 95px)}#brand-name{overflow-wrap:anywhere;font-size:15px}.branding-panel .item-actions{gap:10px}}

/* Keep the primary menu visible while scrolling. */
header{position:sticky;top:0;z-index:100}
html{scroll-padding-top:var(--header-offset,120px)}
#editor,#products,#orders,#admin-list,#cart-items{scroll-margin-top:16px}
@media(max-width:1000px){#main-nav.is-open{max-height:calc(100dvh - 110px);overflow-y:auto;overscroll-behavior:contain}}