/* v51: store-only visual layer, never modifies admin/student or report. */
:root{--sf51-navy:#192444;--sf51-primary:#5836E8;--sf51-secondary:#765AF2;--sf51-bg:#F5F7FC;--sf51-surface:#FFFFFF;--sf51-text:#1C2B49;--sf51-muted:#65758E;--sf51-free:#13866E;--sf51-special:#B47B28;--sf51-header:#FFFFFF;--sf51-footer:#17233F}
body:has(.sf-store){background:var(--sf51-bg);color:var(--sf51-text)}
body:has(.sf-store) .topbar{background:var(--sf51-local-background,var(--sf51-header));color:var(--sf51-local-text,var(--sf51-text))}
body:has(.sf-store) .brand b,body:has(.sf-store) .nav-link{color:var(--sf51-local-text,var(--sf51-text))}
body:has(.sf-store) .nav-link:hover,body:has(.sf-store) .nav-link.active{color:var(--sf51-primary)}
body:has(.sf-store) .brand-symbol,body:has(.sf-store) .header-login{background:var(--sf51-local-button_bg,var(--sf51-primary));color:var(--sf51-local-button_text,#fff);border-color:transparent}
body:has(.sf-store) .brand-symbol.sf51-logo{background:transparent;box-shadow:none;width:auto;min-width:44px;max-width:160px;padding:0}
body:has(.sf-store) .brand-symbol img{max-width:150px;max-height:55px;width:auto;height:auto;object-fit:contain}
.sf-store .sf-hero{min-height:470px;grid-template-columns:1.05fr .95fr;transition:background .25s}
.sf-store .sf-hero.sf51-text-left .sf-hero-copy{grid-column:2;grid-row:1}
.sf-store .sf-hero.sf51-text-left .sf-hero-art{grid-column:1;grid-row:1}
.sf-store .sf-hero .sf-hero-copy{padding-bottom:25px}
.sf-store .sf-hero h1{color:#fff!important;text-wrap:balance}
.sf-store .sf-hero .sf-btn-outline{border-width:2px;box-shadow:0 6px 22px #0002}
.sf-store .sf-hero-art.sf51-has-art>*:not(.sf51-art-image){visibility:hidden}
.sf-store .sf-hero-art .sf51-art-image{width:100%;height:350px;max-width:440px;object-position:center;display:block;position:absolute;inset:0;margin:auto;filter:drop-shadow(0 24px 20px #0c123333)}
.sf-store .sf-hero .sf51-slider-nav{position:absolute;bottom:12px;left:0;right:0;z-index:5;display:flex;gap:13px;align-items:center;justify-content:center;width:max-content;max-width:90%;margin:auto}
.sf-store .sf51-slider-nav[hidden]{display:none}.sf-store .sf51-slider-arrow{cursor:pointer;width:30px;height:30px;border-radius:10px;background:#ffffff23;border:1px solid #ffffff70;color:white;font-size:24px;line-height:1}
.sf-store .sf51-slider-dots{display:flex;gap:7px;align-items:center}.sf-store .sf51-slider-dot{width:8px;height:8px;padding:0;background:#ffffff77;border:0;border-radius:8px;cursor:pointer;transition:width .2s}.sf-store .sf51-slider-dot.active{width:24px;background:white}
.sf-store .sf-section,.sf-store .sf-benefits{background:var(--sf51-local-background,transparent)}
.sf-store .sf-section h2,.sf-store .sf-benefits h2{color:var(--sf51-local-title,var(--sf51-text))}
.sf-store .sf-section-top p{color:var(--sf51-local-description,var(--sf51-muted))}
.sf-store .sf-section-kicker{color:var(--sf51-primary)}
.sf-store .sf-filter,.sf-store .sf-quick,.sf-store .sf-product,.sf-store .sf-benefits,.sf-store .sf-faq details{background:var(--sf51-surface)}
.sf-store .sf-product h3{color:var(--sf51-text)}.sf-store .sf-product-desc{color:var(--sf51-muted)}.sf-store .sf-product-price{color:var(--sf51-text)}
.sf-store .sf-buy{background:var(--sf51-local-button_bg,var(--sf51-primary));color:var(--sf51-local-button_text,#fff)}
.sf-store .sf-buy.free{background:var(--sf51-free)}.sf-store .sf-product-price.free{color:var(--sf51-free)}
.sf-store .sf-product-price.private,.sf-store .sf-private-text{color:var(--sf51-special)}
.sf-store .sf-text-link,.sf-store .sf-view{color:var(--sf51-primary)}
.sf-store .sf-faq summary{color:var(--sf51-text)}.sf-store .sf-faq details p{color:var(--sf51-muted)}
.sf-footer{background:var(--sf51-local-background,var(--sf51-footer));color:var(--sf51-local-text,#e4e8f3)}
@media(max-width:700px){.sf-store .sf-hero{min-height:unset}.sf-store .sf-hero.sf51-text-left .sf-hero-copy,.sf-store .sf-hero.sf51-text-left .sf-hero-art{grid-column:auto;grid-row:auto}.sf-store .sf-hero .sf-hero-copy{padding-bottom:32px}.sf-store .sf-hero-art .sf51-art-image{height:100%;max-height:320px}}
@media(prefers-reduced-motion:reduce){.sf-store .sf51-slider-dot{transition:none}.sf-store .sf-hero{transition:none}}

.sf-store .sf-hero.sf51-no-slides{display:none!important}

.sf-store #free .sf-buy.free{background:var(--sf51-local-button_bg,var(--sf51-free));color:var(--sf51-local-button_text,#FFFFFF)}
.sf-store #catalog .sf-buy{background:var(--sf51-local-button_bg,var(--sf51-primary));color:var(--sf51-local-button_text,#FFFFFF)}

/* v52: slider navigation and selection UI never inherit generic CTA/button palette. */
.sf-store #sf51SliderNav{position:absolute!important;bottom:16px!important;inset-inline:0!important;left:0!important;right:0!important;z-index:8!important;display:flex!important;align-items:center!important;justify-content:center!important;gap:0!important;max-width:none!important;width:100%!important;height:28px!important;margin:0!important;padding:0!important;pointer-events:none!important;background:transparent!important;border:0!important;box-shadow:none!important}
.sf-store #sf51SliderNav[hidden]{display:none!important}
.sf-store #sf51SliderNav .sf51-slider-dots{display:flex!important;align-items:center!important;justify-content:center!important;gap:12px!important;background:transparent!important;border:0!important;box-shadow:none!important;direction:ltr!important}
.sf-store #sf51SliderNav button.sf51-slider-dot{box-sizing:border-box!important;appearance:none!important;-webkit-appearance:none!important;display:block!important;flex:0 0 9px!important;width:9px!important;min-width:9px!important;max-width:9px!important;height:9px!important;min-height:9px!important;max-height:9px!important;padding:0!important;margin:0!important;border:0!important;border-radius:50%!important;background:#ffffff75!important;background-image:none!important;color:transparent!important;box-shadow:none!important;transform:none!important;cursor:pointer!important;transition:background-color .2s,transform .2s!important;pointer-events:auto!important}
.sf-store #sf51SliderNav button.sf51-slider-dot.active{background:#FFFFFF!important;transform:scale(1.26)!important}
.sf-store #sf51SliderNav button.sf51-slider-dot:focus-visible{outline:2px solid white!important;outline-offset:5px!important}
.sf-store .sf-hero{border-radius:var(--sf52-slider-radius,32px)}
.sf52-multiselect{position:relative;min-width:255px;max-width:100%;color:#24344E!important;font-size:13px}
.sf52-multiselect .sf52-picker-toggle{background:#F8FAFF!important;background-image:none!important;border:1px solid #C9D4E7!important;min-height:48px!important;color:#1D3557!important;box-shadow:0 2px 9px #23396D12!important;border-radius:13px!important;padding:10px 15px!important;display:flex!important;align-items:center!important;gap:12px!important;justify-content:space-between!important;width:100%!important;font:750 13px inherit!important;cursor:pointer}
.sf52-multiselect .sf52-picker-toggle:hover,.sf52-multiselect .sf52-picker-toggle[aria-expanded=true]{border-color:#7391B4!important;box-shadow:0 0 0 3px #1D729012!important}
.sf52-multiselect .sf52-picker-caret{font-size:18px;color:#336282;transition:transform .18s}
.sf52-multiselect .sf52-picker-toggle[aria-expanded=true] .sf52-picker-caret{transform:rotate(180deg)}
.sf52-multiselect .sf52-menu{position:absolute;top:calc(100% + 7px);right:0;width:min(335px,90vw);max-width:100%;background:#FFFFFF!important;border:1px solid #CFD9E7!important;box-shadow:0 22px 50px #10213c26!important;border-radius:15px!important;padding:10px!important;z-index:20!important}
.sf52-multiselect .sf52-menu[hidden]{display:none!important}
.sf52-multiselect .sf52-choice{cursor:pointer;display:flex!important;flex-direction:row!important;align-items:center!important;gap:11px!important;font-size:12px!important;color:#253750!important;font-weight:700!important;padding:11px!important;border-radius:10px!important;background:#FFFFFF!important}
.sf52-multiselect .sf52-choice:hover,.sf52-multiselect .sf52-choice:has(input:checked){background:#EAF3F9!important}
.sf52-multiselect .sf52-choice input{margin:0!important;accent-color:#176D83!important;width:18px!important;height:18px!important;min-height:0!important;box-shadow:none!important}
.sf52-picker-chips{display:flex;gap:6px;flex-wrap:wrap;align-items:center;margin-top:9px}
.sf52-picker-chips:empty{display:none}
.sf52-picker-chips button.sf52-chip{background:#EAF3F9!important;color:#1C536B!important;border:1px solid #C6DDE8!important;border-radius:50px!important;padding:4px 9px!important;min-height:27px!important;height:auto!important;font:700 11px inherit!important;cursor:pointer!important;box-shadow:none!important}
.sf52-filter-label{font-size:12px;font-weight:800;display:block;margin:0 0 7px;color:#485674}
.sf52-catalog-field{min-width:0}
.sf52-catalog-field .sf52-picker-toggle{min-height:44px!important}
.sf52-catalog-field .sf52-picker-chips{display:none}
.sf-store .sf-quick{align-items:center;gap:22px}
.sf-store .sf-quick-options{flex:0 1 410px;min-width:280px}
.sf-store .sf-quick .sf-quick-options .sf52-multiselect{width:100%}
html.sf52-is-preview .sf-store a,html.sf52-is-preview .sf-store button,html.sf52-is-preview .topbar a,html.sf52-is-preview .topbar button,html.sf52-is-preview .sf-footer a{pointer-events:none!important;cursor:default!important}
html.sf52-is-preview .sf-store .sf52-multiselect{pointer-events:none!important}
@media(max-width:680px){.sf-store .sf-quick-options{width:100%;min-width:0;display:block}.sf52-multiselect{min-width:0;width:100%}.sf52-multiselect .sf52-menu{width:100%;max-width:100%}.sf-store .sf-hero{border-radius:var(--sf52-slider-radius,32px)}}

/* v53 — purpose-built storefront controls. No generic button palette inheritance. */
.sf-store .sf-quick{min-height:0!important;height:auto!important;align-self:auto!important;position:relative;overflow:visible!important}
.sf-store .sf-quick-options{display:block!important;flex:0 1 420px!important;width:min(100%,420px)!important;min-width:0!important;height:auto!important}
.sf-store .sf52-multiselect{--sf53-filter-bg:#FFFFFF;--sf53-filter-text:#243449;--sf53-filter-border:#CBD8E5;--sf53-filter-selected-bg:#E8F5F2;--sf53-filter-selected-text:#145B57;position:relative;min-width:0!important;max-width:100%!important;height:auto!important;color:var(--sf53-filter-text)!important}
.sf-store .sf52-multiselect .sf52-picker-toggle[role=button]{box-sizing:border-box!important;display:flex!important;grid-column:auto!important;align-items:center!important;justify-content:space-between!important;width:100%!important;height:auto!important;min-height:48px!important;padding:12px 16px!important;margin:0!important;background:var(--sf53-filter-bg)!important;background-image:none!important;color:var(--sf53-filter-text)!important;border:1px solid var(--sf53-filter-border)!important;border-radius:14px!important;box-shadow:0 3px 12px #0D274012!important;text-align:right!important;font-size:13px!important;font-weight:750!important;line-height:1.6!important;opacity:1!important;cursor:pointer!important;appearance:none!important;user-select:none!important}
.sf-store .sf52-multiselect .sf52-picker-toggle[role=button]:focus-visible{outline:2px solid #277B85!important;outline-offset:3px!important}
.sf-store .sf52-multiselect .sf52-picker-toggle .sf52-picker-caption{color:var(--sf53-filter-text)!important;font-size:13px!important;font-weight:750!important;opacity:1!important}
.sf-store .sf52-multiselect .sf52-picker-toggle .sf52-picker-caret{color:#567188!important;font-size:19px!important}
.sf-store .sf52-multiselect .sf52-menu{background:#FFFFFF!important;color:#243449!important;box-shadow:0 16px 45px #17314D26!important;max-height:min(70vh,350px)!important;overflow-y:auto!important}
.sf-store .sf52-multiselect .sf52-choice{color:#243449!important;background:#FFFFFF!important}
.sf-store .sf52-multiselect .sf52-choice:has(input:checked){background:var(--sf53-filter-selected-bg)!important}
.sf-store .sf52-multiselect .sf52-picker-chips{display:flex!important;flex-wrap:wrap;gap:7px;margin-top:9px}
.sf-store .sf52-multiselect .sf52-picker-chips:empty{display:none!important}
.sf-store .sf52-multiselect .sf52-chip{display:inline-flex!important;align-items:center!important;gap:4px!important;width:auto!important;max-width:100%!important;background:var(--sf53-filter-selected-bg)!important;color:var(--sf53-filter-selected-text)!important;border:1px solid #BCDED7!important;border-radius:50px!important;padding:5px 9px!important;font-size:12px!important;line-height:1.4!important;font-weight:750!important}
.sf-store .sf52-multiselect .sf52-chip-remove{display:inline-grid!important;place-items:center!important;grid-column:auto!important;background:transparent!important;background-image:none!important;color:var(--sf53-filter-selected-text)!important;border:0!important;border-radius:50%!important;box-shadow:none!important;width:21px!important;min-width:21px!important;height:21px!important;min-height:21px!important;margin:0!important;padding:0!important;font-size:17px!important;line-height:1!important}
.sf-store .sf52-catalog-field .sf52-picker-chips{display:none!important}
.sf-store #sfKind,.sf-store #sfSearch{background:#FFFFFF!important;background-image:none!important;color:#243449!important;border-color:#CBD8E5!important}
.sf-store #sfClear.sf-filter-clear{background:#F0F5F9!important;background-image:none!important;color:#25465D!important;border:1px solid #CBD8E5!important;box-shadow:none!important;min-height:44px!important;padding:0 16px!important}
.sf-store #sfClear.sf-filter-clear:hover{background:#E2EDF4!important}
.sf53-back-to-top[hidden]{display:none!important}
.sf53-back-to-top{position:fixed!important;z-index:44!important;inset-inline-start:clamp(16px,3vw,38px)!important;bottom:clamp(18px,3vh,30px)!important;width:46px!important;height:46px!important;min-height:46px!important;min-width:46px!important;padding:0!important;display:grid!important;place-items:center!important;border:1px solid #B9CFDA!important;border-radius:50%!important;box-shadow:0 7px 22px #122A4430!important;color:#224B61!important;background:#FFFFFF!important;background-image:none!important;cursor:pointer!important;opacity:1!important}
.sf53-back-to-top:hover{background:#E8F4F6!important;transform:translateY(-2px)}
.sf-store .sf-section,.sf-store .sf-benefits,.sf-store .sf-quick{scroll-margin-top:100px}
html.sf52-is-preview .sf-store .sf-quick{min-height:0!important}
html.sf52-is-preview #sf53BackToTop{display:none!important}
@media(max-width:680px){.sf-store .sf-quick{display:flex!important;flex-direction:column!important;align-items:stretch!important;justify-content:flex-start!important;gap:12px!important;padding:18px!important;margin-bottom:32px!important}.sf-store .sf-quick-options{display:block!important;flex:auto!important;width:100%!important;min-height:0!important}.sf-store .sf52-multiselect .sf52-menu{width:100%!important;max-width:100%!important}.sf53-back-to-top{bottom:16px!important;width:42px!important;height:42px!important;min-height:42px!important;min-width:42px!important}}
@media(prefers-reduced-motion:reduce){.sf53-back-to-top,.sf-store .sf52-multiselect *{transition:none!important}}

/* v55 mobile header: hamburger and offcanvas on the RTL/right edge; no changes on desktop. */
@media(max-width:760px){
body:has(.sf-store) .topbar{display:flex;direction:rtl;align-items:center;gap:8px;flex-wrap:nowrap}
body:has(.sf-store) .top-actions{order:3;margin-inline-start:auto}
body:has(.sf-store) .top-actions .menu-button{order:-1}
body:has(.sf-store) .topbar .menu-button{position:relative;order:-10;margin-inline:0}
body:has(.sf-store) .topbar .brand{order:1;margin-inline:0}
body:has(.sf-store) .topbar .main-nav.open{right:0;left:auto}
}

@media(max-width:760px){
body:has(.sf-store) .topbar .top-actions{display:contents}
body:has(.sf-store) .topbar .menu-button{order:-3;flex-shrink:0}
body:has(.sf-store) .topbar .brand{order:-2;flex-shrink:0}
body:has(.sf-store) .topbar .header-login{order:2;margin-inline-start:auto;flex-shrink:0}
body:has(.sf-store) .topbar .top-actions .icon-button{order:3}
body:has(.sf-store) .topbar .main-nav.open{right:12px;left:auto;width:min(330px,calc(100vw - 24px))}
}