@font-face{font-family:Cairo;src:url('/assets/fonts/Cairo-600.woff2') format('woff2'),url('/assets/fonts/Cairo-600.ttf') format('truetype');font-weight:600;font-display:swap}
@font-face{font-family:Cairo;src:url('/assets/fonts/Cairo-700.woff2') format('woff2'),url('/assets/fonts/Cairo-700.ttf') format('truetype');font-weight:700;font-display:swap}
@font-face{font-family:Cairo;src:url('/assets/fonts/Cairo-800.woff2') format('woff2'),url('/assets/fonts/Cairo-800.ttf') format('truetype');font-weight:800;font-display:swap}
@font-face{font-family:Tajawal;src:url('/assets/fonts/Tajawal.woff2') format('woff2'),url('/assets/fonts/Tajawal.ttf') format('truetype');font-display:swap}@font-face{font-family:Inter;src:url('/assets/fonts/Inter.woff2') format('woff2'),url('/assets/fonts/Inter.ttf') format('truetype');font-display:swap}@font-face{font-family:Naskh;src:url('/assets/fonts/NotoNaskhArabic.woff2') format('woff2'),url('/assets/fonts/NotoNaskhArabic.ttf') format('truetype');font-display:swap}
:root{--ink:#103f38;--teal:#147d70;--gold:#c69b54;--paper:#faf8f3;--line:#e3eae6;--text:#1d2926;--muted:#61736c;--mint:#eaf5f0;--info:#eaf3fb;--z-nav:1000;--z-rail:900;--z-scrim:890;--z-context-trigger:950}
@media screen{
html{scroll-padding-top:115px}.premium{font-family:Tajawal,Cairo,sans-serif!important;font-size:20px!important;line-height:1.85!important;background:var(--paper)!important;color:var(--text)!important;margin:0!important;padding:var(--nav-height) 0 0!important}.premium *{box-sizing:border-box}html[lang=en] .premium{font-family:Inter,Tajawal,sans-serif!important}.premium main,.premium #app{max-width:1440px!important;width:100%;margin:0 auto!important;padding:30px 36px!important;min-width:0}.premium h1,.premium h2,.premium h3{font-family:Cairo,Inter,sans-serif;color:var(--ink);line-height:1.45}.premium h1{font-size:clamp(30px,3vw,44px)!important}.premium h2{font-size:32px}.premium h3{font-size:clamp(22px,1.7vw,26px)}.premium p{line-height:1.9}.premium img{max-width:100%;height:auto}.premium a{color:var(--teal)}.premium button,.premium input,.premium select,.premium textarea{font:inherit!important;font-size:18px!important;max-width:100%}.premium button,.premium .action{min-height:44px;border-radius:12px;cursor:pointer}.premium input:not([type=checkbox]):not([type=radio]),.premium select,.premium textarea{border:1px solid #cbd9ce!important;border-radius:12px!important;min-height:48px;padding:11px 14px!important;background:white;color:var(--text)}.premium select{width:100%}.premium :focus-visible{outline:3px solid var(--gold)!important;outline-offset:4px}.premium button:not([disabled]){background:var(--ink);color:white}.premium button[disabled]{opacity:.5;cursor:not-allowed}.premium .card,.premium .panel,.premium .question{border:1px solid var(--line);border-radius:22px;background:white;box-shadow:0 10px 35px #103f3808;padding:25px}.premium .grid{gap:24px}.premium .filters{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:18px}.premium .filters>label::before{display:none!important}.premium .service-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:17px}.premium .service-grid>a{background:white;padding:23px;border:1px solid var(--line);border-radius:18px;text-decoration:none;font-size:20px}.premium .notice{font-size:17px;background:#f4eddd;border:1px solid #e5d8b9;color:#594a31;padding:17px 20px;border-radius:14px}.premium .article{max-width:880px!important;margin:30px auto!important;padding:42px!important;background:white;border:1px solid var(--line);border-radius:24px;font-size:22px!important;line-height:2.05}.premium .article:lang(ar){font-family:Naskh,Tajawal,serif}.premium .article h2{font-size:30px}.premium .article section{margin:32px 0}.premium .badge{font:600 14px Cairo,Inter;background:#e6f0e8;color:var(--teal);border-radius:8px;padding:5px 10px}.premium .page-title{padding-bottom:24px;border-bottom:1px solid var(--line);margin-bottom:26px}.premium .toolbar{flex-wrap:wrap}.premium .legacy-navigation{display:none!important}.premium .table-scroll{overflow:auto}.premium table{max-width:100%}.premium .sheet{color:#192923}.premium .breadcrumbs{font-size:16px;padding:12px 36px;max-width:1440px;margin:auto;display:flex;gap:9px;flex-wrap:wrap}.premium .breadcrumbs a{text-decoration:none}.premium .legacy-banner{font-size:16px;padding:10px 30px;background:#edf0e8;color:#61736c}
#global-nav.premium-nav{position:fixed!important;top:0;inset-inline:0;height:85px;width:100%!important;max-width:none!important;background:#faf8f3fa!important;backdrop-filter:blur(14px);border:0!important;border-bottom:1px solid var(--line)!important;padding:12px 27px!important;display:flex!important;align-items:center;gap:23px;z-index:var(--z-nav)!important;box-shadow:none!important;font:600 17px Cairo,Inter!important}.premium-nav a{color:var(--ink)!important;text-decoration:none;white-space:nowrap}.premium-brand{display:flex!important;align-items:center;gap:10px;font:800 28px Cairo!important}.premium-brand b{background:var(--ink);color:#e4bf80;display:grid;place-items:center;width:45px;height:45px;border-radius:14px}.premium-top-links{display:flex;align-items:center;gap:19px;flex:1}.premium-top-links>a{padding:12px 0;border-bottom:2px solid transparent;font-size:17px!important}.premium-top-links [aria-current=page]{border-bottom-color:var(--gold)}.premium-utils{display:flex;gap:7px;align-items:center}.premium-utils button,.premium-account{display:flex;align-items:center;justify-content:center;gap:7px;background:transparent!important;color:var(--ink)!important;border:1px solid var(--line)!important;padding:8px 11px!important;border-radius:12px;font:600 15px Cairo,Inter!important;min-height:44px;min-width:42px}.premium-icon{width:22px;height:22px;vertical-align:middle;flex-shrink:0}.premium-mega{position:relative}.premium-mega>summary{cursor:pointer;list-style:none;font:600 17px Cairo,Inter!important;background:none!important;padding:12px 0}.premium-mega>div{position:absolute;top:54px;inset-inline-start:-130px;width:690px;max-width:90vw;max-height:75vh;overflow:auto;display:grid;grid-template-columns:1fr 1fr;gap:12px;padding:25px;border:1px solid var(--line);background:white;border-radius:22px;box-shadow:0 30px 70px #103f3822}.premium-mega a{display:block;white-space:normal;background:var(--paper);padding:12px;border-radius:12px;font-size:17px}.premium-mobile-toggle{display:none!important}.premium-rail{position:fixed;top:85px;bottom:0;width:245px;background:#f2f4eb;padding:24px 17px;overflow:auto;z-index:var(--z-rail);border-inline-end:1px solid var(--line);transition:transform .18s ease,visibility .18s ease}.premium-role{right:0;visibility:hidden;transform:translateX(100%)}.premium-context{left:0;width:285px;background:white;box-shadow:8px 0 30px #103f3815;visibility:hidden;transform:translateX(-100%)}.role-open .premium-role,.context-open .premium-context{visibility:visible;transform:translateX(0)}.premium-rail h2{font-size:21px!important;margin:0 0 18px}.premium-rail a{display:flex;gap:10px;align-items:center;padding:12px 10px;margin:4px 0;font-size:18px;line-height:1.5;color:var(--ink);border-radius:12px;text-decoration:none}.premium-rail a:hover,.premium-rail a[aria-current=page]{background:#dcebe1}.premium-rail select{margin-bottom:20px}.premium-rail small{font-size:15px;color:#657568;display:block}.premium-close{float:left;min-height:30px!important;border:0;background:none!important;color:var(--ink)!important;padding:0 7px!important;font-size:25px!important}.premium-rail details{font-size:16px;border-top:1px solid var(--line);margin-top:15px;padding-top:12px}.premium-context-button{position:fixed;bottom:20px;left:20px;z-index:var(--z-context-trigger);padding:12px 18px;border:0;box-shadow:0 10px 30px #0002}.premium-scrim{display:none}.premium-search{border:1px solid var(--line);background:var(--paper);color:var(--ink);border-radius:24px;padding:30px;width:min(900px,92vw);max-height:85vh;overflow:auto}.premium-search::backdrop{background:#103f38aa;backdrop-filter:blur(4px)}.premium-search input{width:100%;margin:15px 0}.premium-search a{display:block;text-decoration:none;background:white;border:1px solid var(--line);padding:16px 20px;border-radius:12px;margin:9px 0}.premium-search small{display:block;font-size:15px;color:#61736c}.premium-kicker{font:700 14px Cairo,Inter;color:var(--teal);letter-spacing:1.4px;text-transform:uppercase}.premium-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:25px}.premium-actions a{display:flex;align-items:center;gap:9px;white-space:nowrap;background:var(--ink);color:white;padding:13px 21px;border-radius:13px;font-size:18px;text-decoration:none;font-weight:bold}.premium-actions a.outline{border:1px solid #c8d6cc;background:none;color:var(--ink)}.premium-hero{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:55px;padding:45px 0}.premium .premium-hero h1{font-size:clamp(42px,4.3vw,60px)!important;line-height:1.5;margin:18px 0}.premium-hero h1 span{color:#a77c3f}.premium-hero p{font-size:22px;color:#65766b;max-width:550px}.premium-art{position:relative;padding:25px 0}.premium-art .scene{height:470px;width:100%;object-fit:cover;border-radius:190px 190px 25px 25px}.premium-art .person{position:absolute;height:440px;max-width:70%;object-fit:contain;bottom:22px;inset-inline-start:5%;filter:drop-shadow(0 20px 12px #0002)}.premium-art .art-note{position:absolute;bottom:60px;inset-inline-end:-4px;max-width:210px;background:var(--paper);padding:22px;border-radius:17px;border:1px solid #e0d6be;font:700 20px Cairo;box-shadow:0 15px 40px #0001}.premium-section{padding:45px 0}.premium-section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:27px}.premium-section-head h2{margin:8px 0;font-size:36px}.premium-section-head p{max-width:580px;color:#61736c;margin:0}.premium-roles{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.premium-role-card{display:block;border:1px solid var(--line);border-radius:22px;overflow:hidden;background:white;text-decoration:none;color:var(--ink)}.premium-role-card .portrait{height:220px;background:#e9eee3;overflow:hidden;text-align:center}.premium-role-card img{height:275px;width:100%;object-fit:contain;object-position:top;transition:transform .22s}.premium-role-card:hover img{transform:translateY(-5px)}.premium-role-card .copy{padding:25px}.premium-role-card h3{margin:0 0 9px}.premium-role-card p{font-size:18px;color:#61736c;margin:0}.premium-role-card:nth-child(2) .portrait{background:#deeee7}.premium-role-card:nth-child(3) .portrait{background:#f1e5d4}.premium-role-card:nth-child(4) .portrait{background:#e6e9ed}.premium-feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.premium-feature{background:white;border:1px solid var(--line);padding:30px;border-radius:22px}.premium-feature a{display:block;font-size:18px;padding:7px 0}.premium-feature p{font-size:18px;color:#61736c}.premium-feature h3{margin:12px 0}.premium-library-splash,.premium-story-splash{display:grid;grid-template-columns:1fr 1fr;gap:40px;padding:40px;align-items:center;background:#e7eee2;border-radius:25px}.premium-library-splash img,.premium-story-splash img{width:100%;height:300px;object-fit:cover;border-radius:18px}.premium-story-splash{background:var(--ink);color:white}.premium-story-splash h2{color:white!important}.premium-story-splash a{color:#e9c995}.premium-editorial-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:25px}.premium-editorial-card,.premium-resource{background:white;border:1px solid var(--line);border-radius:22px;overflow:hidden}.premium-editorial-card img,.premium-resource>img{width:100%;height:200px;object-fit:cover}.premium-editorial-card .copy,.premium-resource .copy{padding:25px}.premium-editorial-card h2,.premium-editorial-card h3,.premium-resource h2{font-size:24px!important;margin:9px 0}.premium-editorial-card p,.premium-resource p{font-size:18px;color:#61736c}.premium-editorial-card a{text-decoration:none}.premium-resource small{font:600 14px Cairo;color:#876432}.premium-resource-filters{display:grid;grid-template-columns:2fr 1fr 1fr;gap:18px}.premium-cover{height:280px!important;width:100%;object-fit:cover;border-radius:18px;margin:15px 0 28px}.premium-intro{font-size:23px;color:#5e7466;border-inline-start:4px solid var(--gold);padding-inline-start:22px}.premium-footer{background:var(--ink);color:#dce7de;border-radius:25px;padding:35px;margin-top:55px;display:grid;grid-template-columns:2fr 1fr 1fr;gap:30px}.premium-footer h3{color:white!important}.premium-footer p{font-size:18px;max-width:430px}.premium-footer a{display:block;color:#e8cb96;font-size:17px;padding:4px 0}.premium-notebook{max-width:1000px;margin:25px auto;background:#fffef8;padding:40px;border:1px solid #ddd9cb;border-radius:22px;box-shadow:0 20px 45px #103f3809}.premium-notebook section{padding:15px 0 28px;margin:24px 0;border-bottom:1px solid #dce5d7}.premium-notebook textarea{width:100%;min-height:110px;background:repeating-linear-gradient(white,white 35px,#dbe6db 36px)!important;line-height:36px!important}.premium-notebook details{padding:14px;background:#f1f5ec;border-radius:12px;margin-top:12px;font-size:18px}.premium-notebook summary{cursor:pointer;color:var(--teal)}.premium-notebook .terms{display:flex;gap:10px;flex-wrap:wrap}.premium-notebook .terms span{padding:10px 14px;border:1px solid #cfddcf;border-radius:12px}.premium-step-img{width:110px;height:110px;object-fit:contain;float:inline-end}.premium-step-img[hidden]{display:none!important}.premium-stamp{border:2px dashed var(--gold);padding:15px;border-radius:15px;color:#96703b;font-size:16px;width:fit-content}.premium-archive .layout{display:block!important;max-width:1440px!important}.premium-archive .site-header{display:none!important}.premium-archive .page{min-width:0;width:100%}.premium .wrap{max-width:1440px}.premium .preview-scroll{overflow:auto;max-width:100%}
@media(min-width:1280px){.premium.role-open{padding-right:245px!important}}
@media(min-width:1280px){.premium.context-open{padding-left:285px!important}}
@media(max-width:1279px){.premium-top-links{display:none!important}.premium-mobile-toggle{display:flex!important}.premium-nav.menu-open .premium-top-links{position:absolute;top:84px;inset-inline:0;display:grid!important;grid-template-columns:1fr 1fr;background:var(--paper);padding:20px;gap:10px;max-height:80vh;overflow:auto;box-shadow:0 30px 40px #0002}.premium-mega{grid-column:1/-1}.premium-mega>div{position:static;width:auto;max-width:none;box-shadow:none}.role-open .premium-scrim,.context-open .premium-scrim{display:block;position:fixed;inset:85px 0 0;background:#103f3840;z-index:var(--z-scrim);border:0;border-radius:0}.premium-roles{grid-template-columns:repeat(2,1fr)}}
@media(max-width:760px){#global-nav.premium-nav{height:75px;padding:10px 14px!important;gap:10px}.premium{padding-top:var(--nav-height)!important;font-size:18px!important}.premium main,.premium #app{padding:22px 17px!important}.premium .breadcrumbs{padding:12px 17px}.premium-brand{font-size:24px!important}.premium-brand b{width:37px;height:39px}.premium-utils{margin-inline-start:auto}.premium-utils button{padding:8px!important;font-size:14px!important}.premium-account,.premium-search-label{display:none!important}.premium-nav.menu-open .premium-top-links{top:74px}.premium-rail{top:75px;width:285px;max-width:86vw}.premium-hero{grid-template-columns:1fr;padding:20px 0;gap:20px}.premium .premium-hero h1{font-size:clamp(32px,8.5vw,36px)!important}.premium-hero p{font-size:20px}.premium-art .scene{height:330px}.premium-art .person{height:310px}.premium-art .art-note{font-size:17px;padding:14px;max-width:170px;bottom:35px}.premium-section{padding:30px 0}.premium-section-head{display:block}.premium-section-head h2{font-size:30px}.premium-roles{gap:12px}.premium-role-card .portrait{height:155px}.premium-role-card img{height:200px}.premium-role-card .copy{padding:16px}.premium-role-card h3{font-size:22px}.premium-role-card p{font-size:17px}.premium-feature-grid,.premium-editorial-grid{grid-template-columns:1fr}.premium-library-splash,.premium-story-splash{grid-template-columns:1fr;gap:20px;padding:25px}.premium-library-splash img,.premium-story-splash img{height:220px}.premium-footer{grid-template-columns:1fr;gap:15px;padding:25px}.premium .article{padding:24px 18px!important;font-size:21px!important}.premium-resource-filters{grid-template-columns:1fr}.premium-notebook{padding:22px}.premium-notebook h2{font-size:26px}.premium .grid{grid-template-columns:1fr}.premium .filters{grid-template-columns:1fr 1fr}.premium .filters label:last-child{grid-column:1/-1}.premium-context-button{bottom:14px;left:14px;font-size:16px!important}.premium-mega>div{grid-template-columns:1fr}.premium .card,.premium .panel,.premium .question{padding:20px}.premium .premium-cover{height:210px!important}}
@media(prefers-reduced-motion:reduce){.premium *{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
}
@media print{#global-nav,.premium-rail,.premium-context-button,.premium-scrim,.premium-search,.premium-footer,.breadcrumbs,.legacy-banner{display:none!important}.premium{padding:0!important;background:white!important}.premium-notebook{padding:0;border:0}.premium-notebook section{break-inside:avoid}.premium-notebook textarea{min-height:100px}.premium-cover{max-height:160px;width:auto}}

@media screen{.premium-art .art-note{inset:auto!important;bottom:60px!important;inset-inline-end:-4px!important;height:auto!important}.premium-mega{background:none!important;border:0!important;padding:0!important}.premium table:not(.matching){display:block;overflow:auto;width:100%}.premium-footer .action{background:none!important;padding:3px 0!important;min-height:0;color:#e8cb96!important}}

@media screen{.premium .sheet h1{font-size:26px!important;line-height:1.35!important}.premium .sheet h2{font-size:18px!important}.premium .sheet .q{padding:12px}.premium .editorCard input[type=number]{width:95px}.premium .editorCard .row{flex-wrap:wrap}.premium .editorCard{border:1px solid #d8e3d7;border-radius:16px;padding:18px}.premium .sheet .matching{display:table!important}.premium .sheet .matching td{font-size:inherit}}

@media screen{.premium .hero{display:grid!important;grid-template-columns:repeat(2,minmax(0,1fr))!important;align-items:center;gap:32px;padding:clamp(24px,3vw,36px)!important;background:var(--mint)!important;color:var(--text)!important;border:1px solid var(--line)}.premium .hero p{color:var(--muted)!important;font-size:clamp(18px,1.45vw,20px)!important;line-height:1.9}.premium .hero>*{min-width:0!important}.premium .hero img{width:100%;min-width:0;height:380px;max-height:380px;object-fit:contain}.premium .toolbar{top:96px}.premium .premium-top-links{min-width:0}}@media screen and (max-width:760px){.premium .hero{grid-template-columns:1fr!important}.premium .hero img{max-height:300px;object-fit:contain}.premium .toolbar{top:82px}}
@media screen{.premium label{min-width:0;overflow-wrap:anywhere}.premium input,.premium select,.premium textarea{min-width:0!important}.premium .shell>*,.premium .layout>*{min-width:0!important}.premium .shell .side,.premium .shell .panel{max-width:100%;min-width:0!important}.premium .row,.premium .toolbar{max-width:100%}.premium .wrap{min-width:0;overflow-wrap:anywhere}}
@media screen and (max-width:760px){.premium .shell,.premium .layout{grid-template-columns:minmax(0,1fr)!important}.premium .shell{padding:12px!important}.premium .paper-settings,.premium .stage-grid{grid-template-columns:minmax(0,1fr)!important}.premium .filters>label{min-width:0!important}.premium input,.premium select,.premium textarea{width:100%;min-width:0!important}.premium input[type=checkbox],.premium input[type=radio]{width:auto}.premium .controls{flex-wrap:wrap}.premium .stats,.premium .metrics{min-width:0;flex-wrap:wrap}}
@media screen{.premium>header{background:transparent!important;color:var(--ink)!important;border-bottom:1px solid var(--line);padding:25px 36px!important}.premium>header h1{color:var(--ink)!important}.premium>header p,.premium>header a{color:#61736c!important}.premium .premium-footer .action{background:none!important;padding:3px 0!important;min-height:0;color:#e8cb96!important}.premium .display-board h2{font-size:34pt!important}.premium .display-controls{min-width:0}}
@media screen{.premium .article{overflow-wrap:anywhere;min-width:0}.premium .article p,.premium .article code,.premium .article a{overflow-wrap:anywhere;word-break:normal}.premium .article .toolbar{max-width:100%;flex-wrap:wrap}.premium .article table{max-width:100%}}

@media screen{.premium [hidden],.premium .legacy-navigation{display:none!important}.premium .premium-top-links{gap:clamp(8px,1vw,17px)}.premium .premium-brand{flex-shrink:0}.premium .premium-account{font-size:15px!important}.premium .premium-rail a{min-height:48px}.premium .premium-utils{margin-inline-start:auto}.premium .premium-mega>div{inset-inline-start:auto;inset-inline-end:0;max-width:calc(100vw - 32px)}.premium .premium-top-links>details>div{max-height:70vh}.premium .premium-close{min-width:44px;min-height:44px!important}.premium .premium-top-links{flex-wrap:nowrap}.premium .premium-notebook h2{font-family:Cairo,Inter,sans-serif}.premium .article{font-size:clamp(20px,1.6vw,22px)!important}.premium .article h1{font-family:Cairo,Inter,sans-serif}.premium .premium-context-button{max-width:calc(100vw - 30px)}}

@media screen{.premium .premium-menu-group h3{font:700 18px Cairo,Inter;color:var(--ink);margin:0 0 12px}.premium .premium-menu-group a{margin:7px 0}.premium .premium-feature-grid>a{text-decoration:none}.premium .premium-rail a[title]{cursor:pointer}}

@media screen and (min-width:1280px){.premium:not(.premium-home):not(.role-open):not(.context-open){padding-right:64px!important}.premium:not(.premium-home):not(.role-open):not(.context-open) .premium-role{visibility:visible;transform:none;width:64px;padding:14px 8px}.premium:not(.premium-home):not(.role-open) .premium-role :is(h2,select,small,.premium-close){display:none!important}.premium:not(.premium-home):not(.role-open) .premium-role a{font-size:0;justify-content:center;padding:12px 0}.premium:not(.premium-home):not(.role-open) .premium-role a svg{width:24px;height:24px}}

@media screen{html[lang=en] .premium :is(h1,h2,h3,.premium-nav,.premium-mega>summary,.premium-rail){font-family:Inter,Tajawal,sans-serif}.premium .premium-menu-group a{white-space:normal}}

@media screen{.premium .banner h1,.premium .banner h2{color:white!important}.premium .banner{box-shadow:0 12px 24px #103f3814}.premium .hero h2{color:var(--ink)}}

@media screen{.premium a.action:not(.secondary){background:var(--teal);color:white}.premium a.action.secondary{background:var(--mint);color:var(--ink)}.premium a.btn:not(.gold){background:var(--teal);color:white}.premium a.btn.gold{background:#ecd7af;color:var(--ink)}}

/* Tool-local controls are workspace components, never a second global navigation. */
@media screen{.premium [data-tb-local-controls]{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;position:static;margin:24px 0;padding:0;background:none;border:0}.premium [data-tb-local-controls] button{min-height:52px;padding:12px 16px;white-space:normal;background:white;color:var(--ink);border:1px solid var(--line)}.premium [data-tb-local-controls] button[aria-selected=true]{background:var(--teal);color:white}.premium .premium-retained-controls{display:grid;gap:8px;padding:12px 0}.premium .premium-retained-controls button{display:block;width:100%;padding:10px;text-align:start;white-space:normal;font:inherit;background:var(--mint);color:var(--ink);border:1px solid var(--line)}.premium .premium-retained>summary{cursor:pointer;font-size:17px}}
@media screen and (max-width:760px){.premium [data-tb-local-controls]{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media print{.premium [data-tb-local-controls]{display:none!important}}

@media screen{.premium .hero .eyebrow{color:var(--teal);font-size:15px}.premium .panel>p:not(.micro):not(.hint):not(.muted),.premium .card>p:not(.micro):not(.hint):not(.muted){font-size:19px}.premium .hint,.premium .micro{font-size:16px;line-height:1.8}}

@media screen{.premium .hero.hero--tool{grid-template-columns:minmax(0,1fr) 180px!important;min-height:0;padding:24px!important;gap:24px}.premium .hero.hero--tool img{height:180px;max-height:180px}.premium .hero.hero--tool h1{font-size:clamp(30px,2.5vw,38px)!important;line-height:1.4}}
@media screen and (max-width:760px){.premium .hero.hero--tool{grid-template-columns:minmax(0,1fr)!important;padding:20px!important}.premium .hero.hero--tool img{display:none}.premium .hero.hero--tool h1{font-size:30px!important}}

/* Shared controls retain a full touch target in both reading directions. */
@media screen {
  .premium #global-nav .premium-utils button,
  .premium #global-nav .premium-account,
  .premium #global-nav .premium-mega>summary,
  .premium #global-nav .premium-top-links>a {min-block-size:44px}
  .premium #global-nav .premium-utils button,
  .premium #global-nav .premium-account {min-inline-size:44px}
  .premium #global-nav .premium-mega a {display:flex;align-items:center;gap:8px;min-block-size:44px}
  .premium #global-nav .premium-mega .premium-icon {flex:none}
  .premium #global-nav .premium-account .premium-icon {inline-size:20px;block-size:20px}
  .premium :is(#global-nav,.premium-rail,.premium-context-button) :is(a,button,summary):focus-visible,
  .premium .premium-context-button:focus-visible {outline:3px solid #976017;outline-offset:2px}
  .premium .premium-context-button {
    display:flex;align-items:center;justify-content:center;gap:8px;
    min-inline-size:48px;min-block-size:48px;
    left:18px;right:auto;
    padding:9px 12px;
  }
  .premium .premium-feature a {display:flex;align-items:center;gap:8px;min-block-size:44px}
  .premium .premium-feature a .premium-icon {flex:none}
  .premium .premium-context-button[hidden] {display:none!important}
  @media (max-width:760px) {
    .premium #global-nav .premium-account {display:flex!important;padding:6px!important}
    .premium #global-nav .premium-account span {position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
    .premium #global-nav .premium-utils {gap:4px}
    .premium #global-nav .premium-utils button {padding:6px!important}
    .premium .premium-context-button {left:12px;padding:8px;min-inline-size:48px}
    .premium .premium-context-button span {position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
  }
}

@media screen {
  .premium #tb-context-toggle {width:max-content!important;max-width:calc(100vw - 30px)!important}
  @media (max-width:760px) {.premium #tb-context-toggle {width:48px!important}}
  @media (max-width:380px) {
    .premium #global-nav .tb-brand-name {position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
    .premium #global-nav .premium-brand {gap:0}
  }
}

/* Anchor the mega menu to the shared header and keep a single mobile scroller. */
@media screen {
  .premium #global-nav .premium-mega:not([open]) > div {display:none}
  .premium #global-nav .premium-mega[open] > div {display:grid;align-items:start;box-sizing:border-box}
  .premium #global-nav .premium-menu-group {min-inline-size:0}
  .premium #global-nav .premium-mega :is(a,h2,h3,h4) {overflow-wrap:anywhere;white-space:normal}
  .tb-helper-copy {white-space:pre-line}
}
@media screen and (min-width:1280px) {
  .premium #global-nav .premium-mega {position:static}
  .premium #global-nav .premium-top-links > .premium-mega > div {
    position:absolute;inset:calc(100% + 4px) 16px auto;
    inline-size:auto;max-inline-size:1120px;margin-inline:auto;
    max-block-size:calc(100vh - 107px);max-block-size:calc(100dvh - 107px);
    overflow:auto;overscroll-behavior:contain;
    grid-template-columns:repeat(3,minmax(0,1fr));
  }
}
@media screen and (max-width:1279px) {
  .premium #global-nav.menu-open .premium-top-links {
    position:absolute;inset:100% 0 auto;max-height:calc(100vh - 85px);max-height:calc(100dvh - 85px);
    overflow:auto;overscroll-behavior:contain;align-content:start;
    grid-template-columns:repeat(2,minmax(0,1fr));padding:12px 14px;
  }
  .premium #global-nav .premium-top-links > .premium-mega > div {
    position:static;inline-size:auto;max-inline-size:none;max-block-size:none;
    overflow:visible;box-shadow:none;border:0;padding:10px 8px;
    grid-template-columns:repeat(2,minmax(0,1fr));
  }
}
@media screen and (max-width:540px) {
  .premium #global-nav.menu-open .premium-top-links {max-height:calc(100vh - 75px);max-height:calc(100dvh - 75px)}
  .premium #global-nav .premium-top-links > .premium-mega > div {grid-template-columns:minmax(0,1fr)}
}

/* Shared header and workspace surfaces. Keep screen styles off print sheets. */
@media screen {
  .premium { --nav-height:76px; }
  #global-nav.premium-nav {
    height:var(--nav-height);
    gap:clamp(12px,1.8vw,28px);
    padding:8px clamp(16px,2.4vw,34px) !important;
    background:#fffffff7 !important;
  }
  #global-nav .premium-brand { flex:none; }
  #global-nav .premium-brand img { display:block; inline-size:44px; block-size:44px; }
  #global-nav .premium-top-links { justify-content:center; gap:clamp(2px,.7vw,12px); }
  #global-nav .premium-top-links > :is(a,details) { flex:none; }
  #global-nav .premium-top-links > a,#global-nav .premium-mega > summary {
    display:flex;
    align-items:center;
    gap:6px;
    padding:8px 10px;
    border:1px solid transparent;
    border-radius:11px;
    font-size:16px !important;
    color:var(--ink);
  }
  #global-nav .premium-top-links > a:hover,#global-nav .premium-mega > summary:hover,
  #global-nav :is(a,summary)[aria-current=page],#global-nav .premium-mega[open] > summary {
    background:#eaf3ed !important;
    border-color:#dceae2;
  }
  #global-nav .premium-utils { margin-inline-start:auto; }
  #global-nav .premium-utils :is(button,a):hover { background:#eaf3ed !important; }
  .tb-nav-chevron { inline-size:16px; block-size:16px; flex:none; stroke-width:1.8; }
  details[open] > summary .tb-nav-chevron { transform:rotate(180deg); }
  .premium #global-nav .premium-mega[open] > div { background:#fff; gap:12px; }
  .premium .premium-menu-group { background:#f5f8f5; padding:14px; border:1px solid #e8eee8; border-radius:14px; }
  .premium #global-nav .premium-menu-group a { background:#fff; padding:8px 10px; }
  .premium #global-nav .premium-menu-group a:hover { background:#e3f0e8; }
  .premium .premium-rail { top:var(--nav-height); }
  .role-open .premium-scrim,.context-open .premium-scrim { inset-block-start:var(--nav-height); }
  .premium .breadcrumbs { color:#50665e; margin-block:8px 0; overflow-wrap:anywhere; }
  .premium #app > .page-title { border:1px solid #dce8df; border-inline-start:4px solid #508677; background:#eef5ef; border-radius:20px; padding:clamp(18px,3vw,30px); }
  .premium #app > .page-title h1 { margin:8px 0; }
  .premium .premium-editorial-card .copy,.premium .premium-resource .copy { padding:clamp(17px,2.3vw,28px); }
  .premium .premium-editorial-card,.premium .premium-resource { box-shadow:0 6px 18px #103f3809; }
  @media (max-width:1279px) {
    .premium #global-nav.menu-open .premium-top-links { max-height:calc(100dvh - var(--nav-height)); gap:8px; }
    #global-nav .premium-top-links > a,#global-nav .premium-mega > summary { background:#fff; border-color:#e4ece6; white-space:normal; }
    .premium #global-nav .premium-mega[open] > div { background:none; padding-inline:0; }
  }
  @media (max-width:760px) {
    .premium { --nav-height:66px; }
    #global-nav.premium-nav { padding-inline:10px !important; gap:8px; }
    #global-nav .premium-brand img { inline-size:36px; block-size:36px; }
  }
}


/* ===== Smart Student Notebook V2 — reference-image-faithful spread ===== */
.nb-control-bar{align-items:center;flex-wrap:wrap;gap:12px}
.nb-lesson-pick-label{display:flex;flex-direction:column;gap:3px;font:600 14px Cairo,Inter}
.nb-lesson-pick-label select{max-width:320px}
.nb-variant-select{display:flex;align-items:center;gap:6px;font:600 15px Cairo,Inter}
.nb-variant-btn{min-width:36px;min-height:36px;border-radius:9px;border:1px solid var(--line);background:#fff;cursor:pointer;font:700 14px Cairo,Inter}
.nb-variant-btn[aria-pressed="true"]{background:var(--ink);color:#e4bf80;border-color:var(--ink)}
.nb-variant-btn:disabled{opacity:.4;cursor:not-allowed}
.nb-reveal-btn{background:#9d6e22 !important;color:#fff !important;border:0 !important;font-weight:700}
.nb-reveal-btn[aria-pressed="true"]{background:#5c7a52 !important}
.nb-reveal-btn:disabled{opacity:.5}
.nb-variant-missing{font-size:14px;color:#8a6a33;background:#fbf2df;border:1px solid #e9d4a3;border-radius:10px;padding:8px 14px}

/* ----- page spread ----- */
.nb-spread{display:grid;grid-template-columns:1fr 1fr;gap:28px;max-width:1280px;margin:20px auto;background:none;border:0;box-shadow:none;padding:0}
.nb-page{position:relative;min-height:600px;background:#fffef8}
.nb-page-frame{position:absolute;inset:0;width:100%;height:100%;overflow:visible}
.nb-page-frame path{fill:none;stroke:#1c1c1c;stroke-width:5}
.nb-page-inner{position:relative;padding:40px 44px;display:flex;flex-direction:column;gap:14px;font:16px/1.5 Cairo,Inter}

/* ----- page 1 fields ----- */
.nb-top-row{display:flex;gap:14px;align-items:stretch}
.nb-title-box,.nb-date-box{border:2px solid #1c1c1c;border-radius:10px;padding:10px 14px;background:#fff}
.nb-title-box{flex:2;display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-weight:700}
.nb-date-box{flex:1.3;display:flex;align-items:center;gap:8px;font-size:13px}
.nb-date-box svg{width:26px;height:26px;flex-shrink:0;color:#1c1c1c}
.nb-date-lines p{margin:2px 0;white-space:nowrap}
.nb-field-label{font-weight:700;white-space:nowrap}
.nb-fill-line{display:inline-block;min-width:60px;border-bottom:1.5px solid #1c1c1c;padding:0 4px;min-height:1.3em}
.nb-date-fill{min-width:90px}
.nb-box{border:2px solid #1c1c1c;border-radius:10px;padding:14px 16px 16px;background:#fff;position:relative}
.nb-box-full{width:100%}
.nb-box-tall .nb-lines{min-height:120px}
.nb-two-col{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.nb-plain-label,.nb-plain-label-sm{font-weight:800 !important;margin:0 0 8px !important;font-size:16px !important;color:#1c1c1c !important;text-align:center !important}
.nb-plain-label-sm{font-size:14px !important;color:#3a4a3f !important;text-align:start !important}
.nb-ribbon{position:relative !important;display:inline-block !important;margin:-26px 0 12px !important;padding:6px 26px !important;background:var(--ink,#103F38) !important;color:#e9c995 !important;font:700 14px Cairo,Inter !important;line-height:1.3 !important;clip-path:polygon(3% 0,97% 0,100% 50%,97% 100%,3% 100%,0% 50%) !important;}
.nb-ribbon-wide{margin-top:-26px}
.nb-lines{min-height:64px;line-height:2;background:repeating-linear-gradient(#fffef8,#fffef8 31px,#cfd8cc 32px);font-size:15px}
.nb-small-lines{min-height:90px;font-size:14px}
.nb-term-line,.nb-proof-line{margin:0 0 4px}
.nb-empty-note{color:#8a6a33;font-size:13px;margin:0}

/* ----- page 2: reflections cloud ----- */
.nb-cloud-cluster{position:relative;width:100%;aspect-ratio:420/190;margin-bottom:4px}
.nb-cloud-svg{width:100%;height:100%;display:block}
.nb-bubble-label{position:absolute !important;transform:translate(-50%,-50%);font:700 11px Cairo,Inter !important;text-align:center;width:56px;color:#1c1c1c !important;line-height:1.15 !important;pointer-events:none}
.nb-bubble-1{left:11%;top:19%}
.nb-bubble-2{left:38%;top:12%}
.nb-bubble-3{left:63%;top:19%}
.nb-cloud-title{position:absolute !important;left:76%;top:54%;transform:translate(-50%,-50%);font:800 24px Cairo,Inter !important;color:#1c1c1c !important;white-space:nowrap;pointer-events:none}
.nb-reflect-box{padding:10px 14px}
.nb-q-line{font-weight:700;margin:0 0 6px;min-height:1.4em}
.nb-field-label-inline{font-weight:800 !important;margin:0 0 6px !important;color:#1c1c1c !important}

/* ----- model answers: hidden by default ----- */
.nb-model{display:none}
.nb-filled .nb-model{background:#eef3ff;border-inline-start:4px solid #4a67c9;padding:8px 10px;border-radius:8px}
.nb-reveal .nb-model{display:block}

/* ----- blank always-editable fields (WWW/EBI/student response) ----- */
.nb-blank-lines{width:100%;min-height:70px;border:0;background:repeating-linear-gradient(white,white 31px,#cfd8cc 32px);line-height:2;font:15px Cairo,Inter;resize:vertical}



@media(max-width:900px){
  .nb-spread{display:block}
  .nb-page{margin-bottom:24px;aspect-ratio:auto;min-height:auto}
  .nb-page-frame{display:none}
  .nb-page{border:2px solid #1c1c1c;border-radius:16px}
  .nb-two-col{grid-template-columns:1fr}
  .nb-control-bar{flex-direction:column;align-items:stretch}
}

@media print{
  .nb-control-bar,.nb-variant-missing{display:none !important}
  .nb-spread{display:block;max-width:none;gap:0}
  .nb-page{page-break-after:always;margin:0 auto;min-height:90vh}
  .nb-page:last-child{page-break-after:auto}
  @page{size:A4 portrait;margin:10mm}
}