.store-shell{--background:#faf8f4;--foreground:#27231d;--card:#fff;--muted:#f2ede3;--muted-foreground:#70695e;--border:#e5dfd5;--gold-deep:#78551d;--gold:#b58738;--radius:.75rem;--mobile-nav-clearance:calc(5.25rem + max(10px, env(safe-area-inset-bottom,0px)));color:var(--foreground);background:var(--background)}.store-shell h1,.store-shell h2,.store-shell h3{text-wrap:balance}.store-shell p{text-wrap:pretty}.store-container{max-width:1280px;margin-inline:auto;padding-inline:16px}.store-shell .store-header{border-color:var(--border);-webkit-backdrop-filter:none;backdrop-filter:none;background:#fffefa}.store-shell .store-header>div{max-width:1280px}.store-shell input,.store-shell select,.store-shell textarea{scroll-margin-top:140px}.student-intro{padding-block:24px 0}.student-intro-layout{gap:24px;display:grid}.student-kicker{color:var(--gold-deep);align-items:center;gap:8px;font-size:12px;font-weight:700;display:flex}.student-kicker>span{background:var(--gold);width:18px;height:2px}.student-intro h1{margin-top:12px;font-size:clamp(24px,3vw,38px);font-weight:800;line-height:1.65}.student-intro h1 span{color:var(--gold-deep)}.student-intro-description{max-width:440px;color:var(--muted-foreground);margin-top:10px;font-size:13px;line-height:2}.student-browse{border-bottom:1px solid var(--gold);align-items:center;gap:14px;min-height:44px;margin-top:16px;font-size:13px;font-weight:700;display:inline-flex}.student-subjects{background:var(--muted);border-radius:20px;padding:18px 12px 12px}.student-subjects-heading{justify-content:space-between;align-items:center;gap:8px;margin-bottom:16px;padding-inline:4px;display:flex}.student-subjects-heading h2{font-size:13px;font-weight:750}.student-subjects-heading>span{color:var(--muted-foreground);font-size:11px}.student-subject-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;display:grid}.student-subject{background:var(--card);border-radius:12px;flex-direction:column;justify-content:center;align-items:center;gap:10px;min-height:86px;transition:background .18s,transform .18s;display:flex;position:relative}.student-subject>svg:first-child{color:var(--gold-deep);stroke-width:1.65px}.student-subject>span{text-align:center;font-size:11px;font-weight:700;line-height:1.8}.subject-arrow{display:none}.student-subject:hover{background:#e9dcc4;transform:translateY(-2px)}.student-subject:active{transform:scale(.97)}.student-shortcuts{border-block:1px solid var(--border);grid-template-columns:repeat(2,minmax(0,1fr));gap:2px 12px;margin-top:20px;padding-block:8px;display:grid}.student-shortcuts a{align-items:center;gap:8px;min-height:44px;font-size:11px;font-weight:650;display:flex}.student-shortcuts svg{width:17px;height:17px;color:var(--gold-deep);stroke-width:1.65px}.student-shortcuts a:hover{color:var(--gold-deep)}.store-section{padding-block:32px}.store-section-heading{justify-content:space-between;align-items:end;gap:16px;margin-bottom:20px;display:flex}.store-section-heading h2{font-size:clamp(21px,2.4vw,30px);font-weight:800;line-height:1.7}.store-section-heading p{color:var(--muted-foreground);margin-top:4px;font-size:12px;line-height:1.9}.store-section-heading>a{min-height:44px;color:var(--gold-deep);flex-shrink:0;align-items:center;gap:8px;font-size:12px;font-weight:700;display:flex}#home-catalog{scroll-margin-top:135px}.bestseller-section{background:#f2ede3;border-block:1px solid #e9e1d4}.bestseller-shelf{overscroll-behavior-inline:contain;scroll-snap-type:x proximity;grid-auto-columns:minmax(166px,44%);grid-auto-flow:column;gap:14px;padding-block:2px 14px;display:grid;overflow-x:auto}.bestseller-shelf>article{scroll-snap-align:start}.store-shell .product-tile{background:var(--card);box-shadow:none;border:1px solid #e9e3d9;border-radius:16px;align-self:stretch;transition:border-color .18s,box-shadow .18s}.store-shell .product-tile:hover{border-color:#cfb88f;transform:none;box-shadow:0 8px 24px -16px #8a6a37}.store-shell .product-tile--bestseller{border-color:#0000}.product-cover{aspect-ratio:4/4.5;background:#f4f1eb;border-radius:10px;margin:8px 8px 0;display:block;position:relative;overflow:hidden}.product-cover img{padding:10px}.product-tile--bestseller .product-cover{background:#eee8dc}.product-rank{top:8px;width:30px;height:30px;color:var(--gold-deep);font-variant-numeric:tabular-nums;background:#fffefb;border-radius:8px;place-items:center;font-size:13px;font-weight:800;display:grid;position:absolute;inset-inline-start:8px}.product-copy{flex-direction:column;flex:1;padding:12px;display:flex}.product-category{color:var(--muted-foreground);margin-bottom:5px;font-size:10px}.product-title{-webkit-line-clamp:2;-webkit-box-orient:vertical;min-height:48px;font-size:13px;font-weight:750;line-height:1.85;display:-webkit-box;overflow:hidden}.product-title:hover{color:var(--gold-deep)}.product-options{min-height:46px;padding-top:8px}.product-options select{border:1px solid var(--border);background:#fcfbf8;border-radius:8px;width:100%;height:38px;padding-inline:8px;font-size:11px}.product-purchase{margin-top:auto;padding-top:10px}.product-price{flex-wrap:wrap;align-items:baseline;gap:6px;min-height:32px;display:flex}.product-price>strong{font-variant-numeric:tabular-nums;font-size:16px;font-weight:800}.product-price del{color:var(--muted-foreground);font-size:10px}.product-actions{grid-template-columns:minmax(0,1fr) 44px;gap:6px;margin-top:10px;display:grid}.store-shell .product-buy{color:#fffefa;height:44px;box-shadow:none;background:#29251f;border-radius:10px;padding-inline:6px;font-size:11px;font-weight:700}.store-shell .product-buy:hover,.store-shell .product-tile--bestseller .product-buy{background:#78551d}.store-shell .product-add{width:44px;height:44px;box-shadow:none;background:#f6f3ec;border:1px solid #e5dfd5;border-radius:10px}.store-shell .product-add:hover{background:#eadfc9}.student-help{gap:20px;padding-block:40px;display:grid}.student-help h2{margin-top:8px;font-size:24px;font-weight:800}.student-help p:not(.student-kicker){color:var(--muted-foreground);margin-top:8px;font-size:13px;line-height:2}.student-help-actions{gap:10px;display:grid}.student-help-actions>a{border:1px solid var(--border);background:#fff;border-radius:12px;align-items:center;gap:12px;padding:16px;font-size:13px;font-weight:700;display:flex}.student-help-actions>a svg{color:var(--gold-deep);flex-shrink:0}.student-help-actions>a svg:last-child{margin-inline-start:auto}.student-help-actions>a:hover{border-color:var(--gold)}.store-shell .catalog-heading{color:var(--foreground);background:0 0;border-radius:0;padding:0 0 24px}.store-shell .catalog-heading p{color:var(--muted-foreground)}.catalog-category-nav{scrollbar-width:thin}.catalog-subjects{scrollbar-width:thin;gap:8px;padding-block:14px 4px;display:flex;overflow-x:auto}.catalog-subjects button{border:1px solid var(--border);background:#fff;border-radius:10px;flex-shrink:0;align-items:center;gap:8px;min-height:44px;padding:8px 14px;font-size:12px;font-weight:650;display:flex}.catalog-subjects button[aria-pressed=true]{color:#674819;background:#eee2cd;border-color:#b99a64}.catalog-subjects button span:last-child{color:var(--muted-foreground);font-size:10px}.store-shell .catalog-tools{box-shadow:none;background:0 0;border:0;padding:0}.store-shell .catalog-sidebar{box-shadow:none;top:128px}.store-shell .catalog-teachers{grid-template-columns:repeat(2,minmax(0,1fr))}.store-shell .catalog-teachers select{height:44px;margin-top:6px}.store-shell .mobile-store-nav{padding:8px max(10px, env(safe-area-inset-right,0px)) max(10px, env(safe-area-inset-bottom,0px)) max(10px, env(safe-area-inset-left,0px));pointer-events:none}.mobile-nav-dock{pointer-events:auto;background:#fffefa;border:1px solid #e6ddce;border-radius:24px;grid-template-columns:repeat(5,minmax(0,1fr));gap:3px;max-width:540px;margin-inline:auto;padding:6px;display:grid;box-shadow:0 8px 32px -12px #51412640,0 2px 6px #51412608}.mobile-nav-link{color:#746d61;-webkit-tap-highlight-color:transparent;border-radius:18px;flex-direction:column;justify-content:center;align-items:center;gap:4px;min-width:0;min-height:60px;padding:5px 2px;transition:color .18s,background-color .18s,transform .18s;display:flex;position:relative}.mobile-nav-link[aria-current=page]{color:#684719;background:#f0e4cd}.mobile-nav-link:active{transform:scale(.96)}.mobile-nav-link:focus-visible{outline-offset:2px;outline:2px solid #78551d}.mobile-nav-icon{flex-shrink:0;place-items:center;width:28px;height:26px;display:grid;position:relative}.mobile-nav-icon>svg{width:23px;height:23px}.mobile-nav-label{white-space:nowrap;font-size:11px;font-weight:650;line-height:1.7}.mobile-nav-link[aria-current=page] .mobile-nav-label{font-weight:800}.mobile-nav-count{top:-4px;color:#fff;font-variant-numeric:tabular-nums;background:#78551d;border:2px solid #fffefa;border-radius:999px;place-items:center;min-width:19px;height:19px;padding-inline:4px;font-size:9px;font-weight:800;line-height:1;display:grid;position:absolute;inset-inline-end:-9px}.mobile-nav-link[aria-current=page] .mobile-nav-count{border-color:#f0e4cd}@media (hover:hover){.mobile-nav-link:not([aria-current=page]):hover{color:#684719;background:#f6f0e5}}@media (min-width:380px){.mobile-nav-dock{gap:5px;padding-inline:8px}.mobile-nav-label{font-size:12px}}@media (max-width:1023px){.store-shell>footer{padding-bottom:var(--mobile-nav-clearance)}}.store-shell .cart-lines{border:1px solid var(--border);background:#fff;border-radius:18px;padding-inline:16px}.store-shell .cart-summary{box-shadow:none;background:#f2ede3;border-color:#e4d9c6;border-radius:18px;padding:24px}.store-shell .student-form{gap:18px;display:grid}.student-form>label{font-weight:650}.student-form input:not([type=checkbox]),.student-form select{background:#fff;border-radius:10px;min-height:46px;margin-top:8px}.student-form textarea{background:#fff}.student-form>button{border-radius:10px;min-height:46px}.store-skip-link{inset-inline-start:16px;z-index:60;color:#27231d;background:#fff;border:2px solid #78551d;border-radius:8px;padding:12px 20px;position:fixed;top:-100px}.store-skip-link:focus{top:12px}.student-workspace{max-width:1040px;padding-block:20px 40px}.student-workspace-heading{max-width:720px;padding-block:20px 28px}.student-workspace-heading h1{margin-top:8px;font-size:clamp(25px,3vw,36px);font-weight:800;line-height:1.7}.student-workspace-heading>p:last-child:not(.student-kicker){color:var(--muted-foreground);margin-top:12px;font-size:14px;line-height:2}.student-workspace-body{border:1px solid var(--border);background:#fff;border-radius:20px;padding:clamp(16px,3vw,32px)}.student-workspace-body .student-form{max-width:640px}.teacher-directory{grid-template-columns:repeat(auto-fit,minmax(min(100%,240px),1fr));gap:12px;display:grid}.teacher-entry{border:1px solid var(--border);border-radius:14px;align-items:center;gap:14px;padding:18px;transition:background .18s,border-color .18s;display:flex}.teacher-entry:hover{border-color:var(--gold);background:#f8f4eb}.teacher-monogram{background:var(--muted);width:44px;height:48px;color:var(--gold-deep);border-radius:10px;flex-shrink:0;place-items:center;font-size:20px;font-weight:800;display:grid}@media (min-width:640px){.store-container{padding-inline:24px}.student-shortcuts{justify-content:space-between;display:flex}.student-shortcuts a{font-size:13px}.product-title{min-height:56px;font-size:15px}.product-copy{padding:16px}.product-price>strong{font-size:19px}.store-shell .product-buy{font-size:13px}.bestseller-shelf{grid-auto-columns:minmax(190px,29%);gap:20px}.student-help{grid-template-columns:1fr 1fr;align-items:center;gap:40px}}@media (min-width:1024px){.store-shell .cart-summary{top:128px}.store-container{padding-inline:32px}.student-intro{padding-top:40px}.student-intro-layout{grid-template-columns:.85fr 1.15fr;align-items:center;gap:48px}.student-subjects{border-radius:24px;padding:24px}.student-subjects-heading{margin-bottom:20px}.student-subject{min-height:104px}.student-subject>span{font-size:13px}.student-shortcuts{margin-top:32px}.store-section{padding-block:48px}.bestseller-shelf{grid-auto-columns:calc(25% - 15px)}}@media (max-width:359px){.student-subject-grid{gap:5px}.student-subject>span{font-size:10px}.product-actions{grid-template-columns:minmax(0,1fr) 40px;gap:4px}.store-shell .product-add{width:40px}.store-shell .product-buy{font-size:10px}}@media (max-width:1023px){.student-intro{padding-top:20px}.student-intro-layout{gap:16px}.student-intro h1{margin-top:8px;font-size:23px}.student-intro-description,.student-browse{display:none}.student-subjects{padding-top:14px}.student-subjects-heading{margin-bottom:12px}.student-subject{gap:7px;min-height:78px}.student-subject>span{max-width:100%;padding-inline:2px;font-size:10px}.student-shortcuts{margin-top:16px;padding-block:4px}}