/* Task 4 review revision: direct level selection and an illustrated teaching toolbox. */
.lp-catalogue,.lp-resource-page{background:#fff;margin-block:clamp(16px,2vw,28px);border-block:1px solid var(--mf-line);padding-block:28px 36px}
.lp-chooser-heading{display:flex;align-items:center;justify-content:space-between;gap:24px}
.lp-chooser-heading h1{font-size:clamp(28px,2.8vw,40px);overflow-wrap:anywhere}
.lp-series-nav{display:flex;gap:22px;flex-wrap:wrap;align-items:center;font-size:14px}
.lp-series-nav a{min-block-size:44px;display:flex;align-items:center;text-decoration:none;color:var(--mf-muted)}
.lp-series-nav [aria-current=page]{color:var(--mf-red-dark);text-decoration:underline;text-underline-offset:8px}
:lang(ar) .lp-series-nav{font-size:19px}
.lp-level-tabs{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin-block:20px 18px;border-block-end:1px solid var(--mf-line)}
.lp-level-tabs[hidden],[data-book-panel][hidden]{display:none!important}
.lp-level-tabs button{border:0;border-block-end:3px solid transparent;background:transparent;padding:10px 18px;min-block-size:46px;min-inline-size:84px;color:var(--mf-muted);font-size:18px;font-weight:500;white-space:nowrap}
.lp-level-tabs button:hover{color:var(--mf-ink);background:#f7f7f5}
.lp-level-tabs button[aria-selected=true]{border-color:var(--mf-red);color:var(--mf-ink);font-weight:700}
.lp-choose-hint{margin-block:24px 12px!important;text-align:center;color:var(--mf-muted);font-size:15px}
.lp-choose-hint:lang(ar){font-size:20px}
.lp-chooser .lp-level-tabs{gap:10px;margin-block:12px 24px;padding-block-end:20px}
.lp-chooser .lp-level-tabs button{display:flex;align-items:center;justify-content:center;gap:8px;flex:0 1 auto;min-inline-size:100px;border:1px solid var(--level-color,#625e59);border-block-start-width:5px;border-radius:3px;background:color-mix(in srgb,var(--level-color,#625e59) 10%,white);color:var(--mf-ink);padding:10px 16px}
.lp-chooser .lp-level-tabs button:hover{background:color-mix(in srgb,var(--level-color,#625e59) 20%,white)}
.lp-chooser .lp-level-tabs button[aria-selected=true]{background:color-mix(in srgb,var(--level-color,#625e59) 72%,black);border-color:color-mix(in srgb,var(--level-color,#625e59) 72%,black);color:#fff;font-weight:700}
.lp-tab-selected{flex:none;visibility:hidden}
[aria-selected=true] .lp-tab-selected{visibility:visible}
.lp-chooser .lp-level-tabs button:focus-visible{outline:3px solid var(--mf-ink);outline-offset:3px}
@media(max-width:640px){.lp-chooser .lp-level-tabs{gap:8px}.lp-chooser .lp-level-tabs button{min-inline-size:0;flex:1 0 auto;padding:10px;font-size:16px}.lp-chooser .lp-level-tabs-combined{display:flex}.lp-chooser .lp-level-tabs-five{display:grid;grid-template-columns:repeat(4,minmax(0,1fr))}.lp-level-tabs-five button:first-child{grid-column:1/-1}.lp-chooser .lp-level-tabs-five button:not(:first-child){padding-inline:4px;gap:4px}}
.lp-series-group{padding-block:20px 30px;border-block-end:1px solid var(--mf-line)}
.lp-group-label{font-size:26px!important;margin-block-end:20px!important}
.lp-chooser.is-tabbed .lp-series-group{padding:0;border:0}
.lp-chooser.is-tabbed .lp-group-label{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
.lp-group-books{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(20px,5vw,80px);max-inline-size:780px;margin-inline:auto;align-items:start}
.lp-group-books.lp-group-trio{grid-template-columns:repeat(3,minmax(0,1fr));max-inline-size:960px;gap:32px}
.lp-book{min-inline-size:0;display:flex;flex-direction:column;align-items:center;text-align:center}
.lp-cover{display:flex;align-items:center;justify-content:center;inline-size:100%;block-size:clamp(160px,calc(100svh - 480px),245px);padding:6px 12px 10px}
.lp-cover a{display:flex;align-items:center;justify-content:center;block-size:100%;inline-size:100%;transition:transform 180ms ease-out}
.lp-cover a:hover{transform:translateY(-3px)}
.lp-cover img{inline-size:auto;block-size:100%;max-inline-size:100%;object-fit:contain}
.lp-book-information{display:flex;flex-direction:column;align-items:center;text-align:center;gap:12px;padding-block-start:12px;inline-size:100%}
.lp-book-information h2,.lp-book-information h3{font-family:var(--mf-ui);font-size:17px;line-height:1.45;letter-spacing:normal;max-inline-size:29ch;overflow-wrap:anywhere;min-block-size:2.9em;display:flex;align-items:center;justify-content:center}
:lang(ar) .lp-book-information h2,:lang(ar) .lp-book-information h3{font-size:22px;line-height:1.45}
.lp-book-information h2 a{text-decoration:none}
.lp-open{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-block-size:42px;text-decoration:none;border-block-end:1px solid var(--mf-line);font-size:14px;font-weight:600}
:lang(ar) .lp-open{font-size:18px}
.lp-open:hover{border-color:var(--mf-red-dark)}
.lp-state{font-size:14px;color:var(--mf-muted);line-height:1.6;min-block-size:42px;display:flex;align-items:center;justify-content:center}
:lang(ar) .lp-state{font-size:18px;font-weight:300}
.lp-book-shelf{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}
.lp-unmatched{max-block-size:420px;overflow:auto;overscroll-behavior:contain}
/* Catalogue shelves reuse the homepage's open level/type hierarchy, never tabs. */
.lp-open-catalogue{border:0;padding-block:36px 44px}
.lp-catalogue-shelves{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:24px;margin-block-start:36px}
.lp-shelf-group{min-inline-size:0;scroll-margin-block-start:160px}
.lp-shelf-group.mf-level-sarf{--level-color:#2280ba}
.lp-shelf-group.mf-level-nahw{--level-color:#dd601e}
.lp-catalogue-shelves .hp-group-title>bdi{background:none;-webkit-text-fill-color:currentColor;animation:none;color:var(--level-color);letter-spacing:-.035em}
.lp-catalogue-shelves .hp-group-title{font-family:var(--mf-ui);font-size:inherit}
.lp-catalogue-shelves .hp-level-name{font-size:20px}
.lp-catalogue-shelves .hp-level-name:lang(ar){font-size:25px}
.lp-shelf-books{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;align-items:start}
.lp-shelf-trio,.lp-legend-trio{grid-template-columns:repeat(3,minmax(0,1fr))}
.lp-shelf-book{min-inline-size:0;text-align:center}
.lp-shelf-cover-art{position:relative;display:block;aspect-ratio:240/338;overflow:hidden;transform-origin:50% 75%;transition:transform 200ms cubic-bezier(.215,.61,.355,1);isolation:isolate}
.lp-shelf-cover-art img{inline-size:100%;block-size:100%;object-fit:contain;object-position:top}
.lp-shelf-cover-art::after{content:'';position:absolute;inset:0;pointer-events:none;background:linear-gradient(110deg,transparent 30%,rgb(255 255 255 / .35) 45%,transparent 60%);background-size:240% 100%;background-position:100% 0;opacity:0}
.lp-shelf-cover-art.is-shining::after{opacity:1;animation:lp-cover-sheen 3s ease-in-out both}
@keyframes lp-cover-sheen{0%,65%{background-position:100% 0}90%,100%{background-position:0 0}}
@media(hover:hover){.lp-shelf-cover-art:hover{transform:translateY(-4px) rotate(-.6deg)}}
.lp-shelf-book:focus-within .lp-shelf-cover-art{transform:translateY(-4px)}
.lp-shelf-cover-art[href]:active{transform:translateY(-1px) scale(.97);transition-duration:80ms}
.lp-shelf-cover-art[href]:focus-visible{outline:3px solid var(--mf-ink);outline-offset:5px;overflow:visible}
.lp-shelf-access{padding-block-start:14px;text-align:center}
.lp-shelf-access .lp-open{font-size:12px;min-block-size:44px;gap:4px;line-height:1.5;border:0}
.lp-shelf-access .lp-open svg{flex:0 0 14px}
.lp-shelf-access .lp-open:lang(ar){font-size:16px}
.lp-shelf-access .lp-state{font-size:12px;min-block-size:44px}
.lp-shelf-access .lp-state:lang(ar){font-size:16px}
.lp-grammar-shelves{grid-template-columns:2fr 3fr;max-inline-size:1080px;margin-inline:auto;gap:60px}
.lp-shelf-grammar .hp-group-title>bdi{font-family:var(--mf-display);font-size:46px;line-height:1.2;letter-spacing:normal}
.lp-shelf-grammar .hp-group-title{block-size:160px}
.lp-grammar-shelves .lp-shelf-books{gap:24px}
.lp-catalogue-shelves:not(.lp-grammar-shelves) .lp-shelf-grammar{grid-column:span 2}
@media(max-width:1099px){.lp-catalogue-shelves{grid-template-columns:repeat(2,minmax(0,1fr));gap:40px}.lp-grammar-shelves{grid-template-columns:minmax(0,1fr);max-inline-size:680px}.lp-catalogue-shelves .hp-group-title{block-size:150px}.lp-catalogue-shelves .hp-level-name{font-size:22px}.lp-shelf-access .lp-open{font-size:14px}}
@media(max-width:639px){.lp-catalogue-shelves{grid-template-columns:1fr;gap:36px;margin-block-start:24px}.lp-catalogue-shelves .hp-group-title{block-size:142px;min-block-size:0;margin-block-end:16px}.lp-shelf-books{gap:20px}.lp-shelf-grammar .hp-group-title>bdi{font-size:40px}.lp-grammar-shelves .lp-shelf-books{gap:12px}.lp-catalogue-shelves:not(.lp-grammar-shelves) .lp-shelf-grammar{grid-column:auto}.lp-open-catalogue .lp-shelf-access .lp-state{font-size:13px}.lp-open-catalogue .lp-shelf-access .lp-state:lang(ar){font-size:17px}}
@media(prefers-reduced-motion:reduce){.lp-shelf-cover-art{transition:none!important;transform:none!important}.lp-shelf-cover-art::after{animation:none!important;opacity:0!important}}
/* Resource actions: hand-drawn line icons and centred, generous targets. */
.lp-resource-overview{display:grid;grid-template-columns:90px minmax(0,1fr) auto;gap:28px;align-items:center;border-block-end:1px solid var(--mf-line);padding-block-end:26px}
.lp-resource-overview>img{inline-size:78px;block-size:110px;object-fit:contain}
.lp-resource-heading h1{font-size:clamp(26px,2.7vw,38px);max-inline-size:30ch;overflow-wrap:anywhere}
.lp-resource-primary{max-inline-size:300px}
.lp-resource-primary .mf-button{gap:15px;font-size:16px;min-block-size:52px;text-align:center}
:lang(ar) .lp-resource-primary .mf-button{font-size:21px}
.lp-resource-primary svg{flex:none}
.lp-resources-title{font-family:var(--mf-ui)!important;font-size:20px!important;letter-spacing:normal!important;margin-block:26px 10px!important}
:lang(ar) .lp-resources-title{font-size:25px!important}
.lp-resource-list{list-style:none;padding:0;margin:0}
.lp-tool-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));column-gap:28px}
.lp-tool-grid li{min-inline-size:0;border-block-end:1px solid var(--mf-line)}
.lp-tool-grid .lp-tool{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:15px;min-block-size:164px;padding:20px 10px;text-decoration:none;text-align:center;transition:background-color 180ms ease-out}
.lp-tool:hover{background:#f7f7f5}
.lp-tool-icon{display:block;color:var(--mf-ink);transition:color 180ms ease-out,transform 180ms ease-out}
.lp-tool-icon svg{display:block;inline-size:60px;block-size:60px}
.lp-tool:hover .lp-tool-icon,.lp-tool:focus-visible .lp-tool-icon{color:var(--mf-red-dark);transform:translateY(-3px)}
.lp-tool-label{font-weight:500;font-size:16px;line-height:1.4;max-inline-size:23ch;overflow-wrap:anywhere}
:lang(ar) .lp-tool-label{font-size:22px}
.lp-heading{padding-block:16px 32px}
.lp-heading h1{font-size:clamp(30px,3.4vw,46px);overflow-wrap:anywhere}
.lp-back{display:inline-flex;align-items:center;min-block-size:44px;font-size:15px;margin-block-end:10px}
:lang(ar) .lp-back{font-size:19px}
.lp-resource-items{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;align-items:start}
.lp-resource-items>*{min-inline-size:0}
.lp-file{border-block:1px solid var(--mf-line);padding:24px 0;display:flex;flex-direction:column;gap:20px;min-block-size:160px}
.lp-file h2{font-size:24px;overflow-wrap:anywhere}
.lp-empty{padding:28px 0;color:var(--mf-muted);font-family:var(--mf-reading);font-weight:var(--mf-reading-weight)}
.lp-reader .lp-heading{background:#fff;margin-block:24px;padding-block:24px}
.lp-reader-frame{background:#fff;border-block:1px solid var(--mf-line);margin-block-end:40px}
.lp-reader-frame iframe{display:block;border:0;inline-size:100%;block-size:1080px}
@media(max-width:1000px){.lp-chooser-heading{align-items:flex-start}.lp-series-nav{justify-content:flex-end}.lp-resource-overview{grid-template-columns:76px minmax(0,1fr);gap:20px}.lp-resource-primary{grid-column:2;max-inline-size:none}.lp-resource-overview>img{grid-row:1/3}.lp-tool-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.lp-tool-label{font-size:14px}:lang(ar) .lp-tool-label{font-size:19px}}
@media(max-width:640px){.lp-catalogue,.lp-resource-page{margin-block:12px;padding-block:20px 24px}.lp-chooser-heading{display:block}.lp-chooser-heading h1{font-size:29px}.lp-series-nav{justify-content:flex-start;gap:18px;font-size:12px;margin-block-start:4px}:lang(ar) .lp-series-nav{font-size:17px}.lp-level-tabs{gap:0;margin-block:12px 16px}.lp-level-tabs button{min-inline-size:max-content;flex:1 0 auto;padding:10px 6px;font-size:16px}.lp-cover{block-size:clamp(110px,calc(100svh - 630px),215px);padding:4px 0 8px}.lp-group-books{gap:18px}.lp-group-books.lp-group-trio{gap:12px}.lp-group-trio .lp-cover{block-size:clamp(100px,calc(100svh - 650px),180px)}.lp-book-information{padding-block-start:8px;gap:8px}.lp-book-information h2,.lp-book-information h3{font-size:13px;min-block-size:3.5em}:lang(ar) .lp-book-information h2,:lang(ar) .lp-book-information h3{font-size:18px;line-height:1.4}.lp-open{font-size:12px;gap:5px}:lang(ar) .lp-open{font-size:16px}.lp-state{font-size:12px}:lang(ar) .lp-state{font-size:16px}.lp-book-shelf{grid-template-columns:repeat(2,minmax(0,1fr))}.lp-resource-overview{grid-template-columns:64px minmax(0,1fr);gap:16px;padding-block-end:20px}.lp-resource-overview>img{inline-size:60px;block-size:88px;grid-row:auto}.lp-resource-heading h1{font-size:25px}.lp-resource-primary{grid-column:1/-1}.lp-resource-primary .mf-button{inline-size:100%;font-size:15px}:lang(ar) .lp-resource-primary .mf-button{font-size:20px}.lp-resources-title{margin-block:22px 4px!important}.lp-tool-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:0 18px}.lp-tool-grid .lp-tool{min-block-size:135px;gap:12px;padding:16px 6px}.lp-tool-icon svg{inline-size:50px;block-size:50px}.lp-tool-label{font-size:14px}:lang(ar) .lp-tool-label{font-size:20px}.lp-resource-items{grid-template-columns:1fr}.lp-reader-frame iframe{block-size:85vh;min-block-size:540px}}
@media(prefers-reduced-motion:reduce){.lp-cover a,.lp-tool,.lp-tool-icon{transition:none}.lp-cover a:hover,.lp-tool:hover .lp-tool-icon,.lp-tool:focus-visible .lp-tool-icon{transform:none}}

@media(max-width:640px){.lp-level-tabs-combined{display:grid;grid-template-columns:repeat(4,minmax(0,1fr))}.lp-level-tabs-combined button{min-inline-size:0;white-space:normal;font-size:15px;padding-inline:3px}.lp-chooser:has(.lp-level-tabs-combined) .lp-cover{block-size:clamp(100px,calc(100svh - 680px),190px)}}

/* One native assessment disclosure; no new endpoint or client data request. */
.lp-tool-grid .lp-assessment{min-inline-size:0}
.lp-tool-grid .lp-assessment summary{position:relative;cursor:pointer;list-style:none;min-block-size:120px}
.lp-assessment summary::-webkit-details-marker{display:none}
.lp-disclosure-mark{position:absolute;inset-inline-end:10px;inset-block-start:12px}
.lp-assessment[open] .lp-disclosure-mark{transform:rotate(180deg)}
.lp-assessment-groups{list-style:decimal outside;margin:0;padding:0 8px 14px;padding-inline-start:32px;text-align:start}
.lp-assessment-groups li+li{margin-block-start:6px}
.lp-assessment-groups h3{font:500 16px/1.5 var(--mf-ui);letter-spacing:normal}
.lp-assessment-groups h3:lang(ar){font-size:21px}
.lp-assessment-groups a{display:flex;justify-content:flex-start;align-items:center;text-align:start;min-block-size:44px;padding:6px;text-decoration:underline;text-underline-offset:4px;color:var(--mf-red-dark)}
.lp-assessment summary:focus-visible,.lp-assessment-groups a:focus-visible{outline:3px solid var(--mf-red-dark);outline-offset:3px}
.lp-grammar-shelves .hp-pair-legend{display:none}

.lp-assessment-groups>li::marker{font-family:Onest,Arial,sans-serif;font-weight:600;color:var(--mf-red-dark)}