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.ml-current>.button-row>.ml-row-actions:has(.entity-action-menu[open]){flex-basis:100%;width:100%}.shell .ml-text-actions .entity-action-menu[open]{flex-basis:100%}.shell .lesson-navigation .skill-switcher>button{min-height:78px;padding:11px!important}.shell .lesson-navigation .skill-switcher strong{font-size:15px}.shell .lesson-navigation nav.ml-tabs{grid-template-columns:repeat(2,minmax(0,1fr));gap:6px;display:grid}.shell .lesson-navigation nav.ml-tabs>button{background:#fff;border-color:#e0e5ed;justify-content:flex-start;min-width:0;padding:9px 8px;font-size:14px}.shell .ml-savebar{align-items:flex-start;gap:8px}.shell .ml-savebar>.button-row{gap:8px;width:100%}.shell .ml-savebar>.button-row>.primary{flex:auto}.shell .studio-teacher-tools>summary{flex-wrap:wrap}.shell .studio-teacher-tools>summary span{width:100%;margin:0;padding-inline-start:28px;font-size:12px}.shell .reading-studio-head h3{font-size:23px}.shell .reading-studio-head>.button-row{justify-content:space-between;width:100%}.shell .ml-source-strip>.button-row{width:100%}.shell .ml-reading.curriculum-main-passage{padding:18px 14px}.shell .ml-text-actions>.button-row{flex-wrap:wrap;gap:8px;display:flex}.shell .ml-text-actions>.button-row>.primary{flex:100%;justify-content:center}.shell .ml-text-actions .entity-action-menu{margin-inline-start:0}.shell .lesson-paragraph-tools{flex-wrap:wrap;gap:6px}.shell .lesson-paragraph-tools button{min-height:44px;font-size:13px}}@media (prefers-reduced-motion:reduce){.shell .unit-learning-context>summary>svg{transition:none}}@media print{.shell :is(.library-utilitybar,.lesson-navigation,.ml-savebar){display:none!important}}.shell .manual-library[data-design=study-library]{--library-petrol:#246b73;--library-ink:#243d41;--library-muted:#52676b;--library-line:#d8e2e1;--library-soft:#edf4f3;--library-paper:#fff;--blue:var(--library-petrol);--blue-soft:var(--library-soft);color:var(--library-ink)}.shell .manual-library[data-design=study-library] .studio-library-hero.ml-intro{background:var(--library-petrol);min-height:190px;box-shadow:none;border:0;border-radius:14px;grid-template-columns:minmax(0,1.4fr) minmax(220px,.6fr);margin-bottom:16px}.shell .manual-library[data-design=study-library] .studio-library-copy{align-self:center;padding:25px 30px}.shell .manual-library[data-design=study-library] .studio-library-copy .section-kicker{letter-spacing:1.6px;color:#d3e8e6;font:500 11px/1.4 Inter,sans-serif}.shell .manual-library[data-design=study-library] .studio-library-copy h2{color:#fff;margin:7px 0 8px;font-size:32px;font-weight:600;line-height:1.5}.shell .manual-library[data-design=study-library] .studio-library-copy p{color:#f0f6f5;max-width:42ch;margin:0;font-size:16px;line-height:1.8}.shell .manual-library[data-design=study-library] .library-hero-meta{color:#e7f2f1;gap:12px 18px;margin-top:17px;font-size:13px}.shell .manual-library[data-design=study-library] 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.studio-library-hero.has-selection{grid-template-columns:minmax(0,1fr) 220px;min-height:158px}.shell .manual-library[data-design=study-library] .studio-library-hero.has-selection .library-hero-photo{min-height:158px;max-height:none}.shell .manual-library[data-design=study-library] .studio-library-hero.is-lesson{display:none}.shell .manual-library[data-design=study-library]>.unit-cover-feature{border-radius:14px;min-height:185px;max-height:none;margin-bottom:16px}.shell .manual-library[data-design=study-library]>.unit-cover-feature .unit-cover-copy{padding:24px 30px}.shell .manual-library[data-design=study-library]>.unit-cover-feature h2{font-size:clamp(25px,2.6vw,34px);line-height:1.35}.shell .manual-library[data-design=study-library] .library-utilitybar{align-items:start;gap:12px;margin:0 0 16px}.shell .manual-library[data-design=study-library] .library-upload-disclosure{border-color:var(--library-line);box-shadow:none;background:#fff;border-radius:9px;margin:0}.shell .manual-library[data-design=study-library] .library-upload-disclosure>summary{min-height:46px;color:var(--library-petrol);padding:10px 15px}.shell .manual-library[data-design=study-library] .ml-top-actions{gap:5px;margin:0}.shell .manual-library[data-design=study-library] .ml-top-actions button{color:var(--library-muted);min-height:44px;font-size:14px}.shell .manual-library[data-design=study-library] .library-workbench{grid-template-columns:238px minmax(0,1fr);align-items:start;gap:24px;display:grid}.shell .manual-library[data-design=study-library] .library-navigator{border:1px solid var(--library-line);box-shadow:none;background:#f5f8f7;border-radius:12px;min-width:0;padding:0;position:sticky;top:18px;overflow:hidden}.shell .manual-library[data-design=study-library] .library-navigator-title{background:var(--library-petrol);color:#fff;border:0;align-items:center;gap:11px;margin:0;padding:18px 16px;display:flex}.shell .manual-library[data-design=study-library] .library-navigator-title h3{color:#fff;margin:2px 0 0;font-size:17px;font-weight:600;line-height:1.5}.shell .manual-library[data-design=study-library] .library-navigator-title small{color:#d7eae8;font-size:12px;line-height:1.5}.shell .manual-library[data-design=study-library] .library-rail-emblem{background:#ffffff0d;border:1px solid #ffffff42;border-radius:8px;flex-shrink:0;place-items:center;width:39px;height:44px;display:grid}.shell .manual-library[data-design=study-library] .library-mobile-toggle,.shell .manual-library[data-design=study-library] .library-mobile-context{display:none}.shell .manual-library[data-design=study-library] .library-navigation-body{scrollbar-width:thin;scrollbar-color:#a4bfbd transparent;max-height:calc(100dvh - 140px);padding:12px;overflow-y:auto}.shell .manual-library[data-design=study-library] .library-tree{border:0;padding:0;display:block}.shell .manual-library[data-design=study-library] .library-tree button{text-align:start;width:100%;min-height:46px;color:var(--library-ink);background:0 0;border:1px solid #0000;align-items:center;gap:9px;margin:2px 0;line-height:1.65;transition:background .15s,border-color .15s;display:flex;border-radius:7px!important;padding:11px 10px!important;font-size:14px!important}.shell .manual-library[data-design=study-library] .library-tree button:hover:not(:disabled){background:#e6efed;border-color:#cbdad7}.shell .manual-library[data-design=study-library] .library-tree button.selected{color:#195860;background:#e0eeeb;border-color:#c5dcd7;font-weight:600}.shell .manual-library[data-design=study-library] .library-tree button:disabled{opacity:.55;cursor:not-allowed}.shell .manual-library[data-design=study-library] .library-tree button>span:not(.tree-number){overflow-wrap:anywhere;flex:1;min-width:0}.shell .manual-library[data-design=study-library] .library-tree button>svg{color:#497476;flex-shrink:0}.shell .manual-library[data-design=study-library] .library-tree button>small{text-align:center;color:#246168;background:#fff;border:1px solid #c8dcda;border-radius:5px;min-width:25px;padding:4px 5px;font:500 12px Inter,sans-serif}.shell .manual-library[data-design=study-library] .library-tree-caption{color:var(--library-muted);border-top:1px solid var(--library-line);margin:17px 9px 6px;padding-top:12px;font-size:12px;font-weight:500}.shell .manual-library[data-design=study-library] .library-tree .tree-number{color:var(--library-petrol);background:#fff;border:1px solid #d7e4e0;border-radius:5px;place-items:center;min-width:27px;min-height:27px;padding:3px;font:500 12px Inter,sans-serif;display:grid}.shell .manual-library[data-design=study-library] .library-tree-lessons{border-inline-start:1px solid #bdd3cf;margin:5px 13px 10px;padding-inline-start:9px}.shell .manual-library[data-design=study-library] .library-tree-lessons button{min-height:44px;font-weight:400;padding:9px!important;font-size:14px!important}.shell .manual-library[data-design=study-library] .library-tree-lessons button.selected{background:#fff;border-color:#d2e2de;box-shadow:inset -3px 0 var(--library-petrol)!important}.shell .manual-library[data-design=study-library] .library-tree-empty{color:var(--library-muted);padding:0 10px;font-size:14px;line-height:1.8}.shell .manual-library[data-design=study-library] .library-quick-jump{border-block:1px solid var(--library-line);margin-top:13px}.shell .manual-library[data-design=study-library] .library-quick-jump>summary{cursor:pointer;min-height:46px;color:var(--library-petrol);align-items:center;gap:8px;padding:13px 9px;font-size:14px;list-style:none;display:flex}.shell .manual-library[data-design=study-library] .library-quick-jump>summary::-webkit-details-marker{display:none}.shell .manual-library[data-design=study-library] .library-quick-jump>summary span{flex:1}.shell .manual-library[data-design=study-library] .library-quick-jump[open]>summary>svg:last-child{transform:rotate(180deg)}.shell .manual-library[data-design=study-library] .library-navigator .ml-selectors{grid-template-columns:minmax(0,1fr);gap:12px;margin:0;padding:0 7px 14px;display:grid}.shell .manual-library[data-design=study-library] .library-navigator .ml-selectors label{color:var(--library-muted);font-size:14px;display:block}.shell .manual-library[data-design=study-library] .library-navigator .ml-selectors select{max-width:100%;min-height:44px;color:var(--library-ink);background:#fff;border-color:#bdcfca;border-radius:6px;margin-top:5px;padding:8px;font-size:14px}.shell .manual-library[data-design=study-library] .library-rail-note{border:0;grid-template-columns:20px 1fr;gap:5px 7px;margin:0;padding:15px 8px 4px;display:grid}.shell .manual-library[data-design=study-library] .library-rail-note strong{color:var(--library-ink);font-size:13px;font-weight:500}.shell .manual-library[data-design=study-library] .library-rail-note p{color:var(--library-muted);margin:3px 0;font-size:13px;line-height:1.8}.shell .manual-library[data-design=study-library] .library-rail-note svg{color:var(--library-petrol)}.shell .manual-library[data-design=study-library] .ml-breadcrumb{border-bottom:1px solid var(--library-line);align-items:center;gap:5px 9px;min-height:40px;margin:0 0 14px;padding:0 0 10px;display:flex}.shell .manual-library[data-design=study-library] .ml-breadcrumb button{color:var(--library-petrol);min-height:34px;padding:4px 6px;font-size:14px}.shell .manual-library[data-design=study-library] .ml-breadcrumb>span{color:var(--library-ink);font-size:14px}.shell .manual-library[data-design=study-library] .ml-current{border-color:var(--library-line);margin-bottom:14px;padding:0 0 16px}.shell .manual-library[data-design=study-library] .ml-current h3{color:var(--library-ink);font-size:26px;font-weight:600;line-height:1.5}.shell .manual-library[data-design=study-library] .curriculum-path-picker{border:0;border-bottom:1px solid var(--library-line);background:0 0;border-radius:0;margin:10px 0 18px;padding:0 0 15px;display:block}.shell .manual-library[data-design=study-library] .curriculum-path-picker>div{flex-wrap:wrap;align-items:baseline;gap:12px;margin-bottom:10px;display:flex}.shell .manual-library[data-design=study-library] .curriculum-path-picker strong{color:var(--library-ink);font-size:15px;font-weight:500}.shell .manual-library[data-design=study-library] .curriculum-path-picker p{color:var(--library-muted);max-width:65ch;margin:0;font-size:13px;line-height:1.8}.shell .manual-library[data-design=study-library] .curriculum-path-picker nav{flex-wrap:wrap;gap:6px;padding:0;display:flex;overflow:visible}.shell .manual-library[data-design=study-library] .curriculum-path-picker nav button{color:#425f62;min-height:44px;box-shadow:none;white-space:nowrap;background:#fff;border:1px solid #cbdad7;border-radius:7px;align-items:center;gap:7px;padding:9px 12px;font-size:14px;font-weight:500;display:flex}.shell .manual-library[data-design=study-library] .curriculum-path-picker nav button[aria-pressed=true]{background:var(--library-petrol);border-color:var(--library-petrol);color:#fff}.shell .manual-library[data-design=study-library] .curriculum-path-picker nav small{min-width:18px;color:inherit;opacity:.9;background:0 0;padding:0;font:500 12px Inter,sans-serif}.shell .manual-library[data-design=study-library] .catalogue-heading{flex-wrap:wrap;align-items:center;gap:12px;margin:17px 0 12px}.shell .manual-library[data-design=study-library] .catalogue-heading .section-kicker{color:var(--library-muted);letter-spacing:0;font-size:12px}.shell .manual-library[data-design=study-library] .catalogue-heading h3{color:var(--library-ink);margin:4px 0 0;font-size:24px;font-weight:600;line-height:1.5}.shell .manual-library[data-design=study-library] .library-result-count{color:var(--library-muted);border:1px solid var(--library-line);white-space:nowrap;background:#f5f8f7;border-radius:6px;padding:6px 10px;font-size:13px}.shell .manual-library[data-design=study-library] .ml-list-head{background:0 0;border:0;border-radius:0;flex-wrap:wrap;align-items:flex-end;gap:12px;margin:0 0 18px;padding:0;display:flex}.shell .manual-library[data-design=study-library] .ml-search{min-width:0;color:var(--library-muted);flex:220px;gap:6px;margin:0;font-size:14px;display:grid}.shell .manual-library[data-design=study-library] .library-search-field{min-height:46px;color:var(--library-petrol);background:#fff;border:1px solid #b9ceca;border-radius:8px;align-items:center;gap:9px;padding:0 12px;display:flex}.shell .manual-library[data-design=study-library] .library-search-field:focus-within{outline:2px solid var(--library-petrol);outline-offset:2px}.shell .manual-library[data-design=study-library] .library-search-field svg{flex-shrink:0}.shell .manual-library[data-design=study-library] .library-search-field input{width:100%;min-width:0;min-height:44px;color:var(--library-ink);background:0 0;margin:0;box-shadow:none!important;border:0!important;outline:none!important;padding:10px 0!important;font-size:16px!important}.shell .manual-library[data-design=study-library] .library-search-field button{width:36px;min-height:40px;color:var(--library-muted);background:0 0;border:0;flex-shrink:0;place-items:center;padding:4px;display:grid}.shell .manual-library[data-design=study-library] .ml-list-head>.outline-button{min-height:46px;color:var(--library-petrol);border-color:#c6d7d3;font-size:14px}.shell .manual-library[data-design=study-library] .rf-layout-toggle{box-sizing:border-box;background:#edf3f1;border:1px solid #bdd0cc;border-radius:8px;gap:3px;min-height:46px;padding:3px;overflow:hidden}.shell .manual-library[data-design=study-library] .rf-layout-toggle button{width:auto;height:38px;min-height:38px;color:var(--library-muted);box-shadow:none;background:0 0;border:0;border-radius:5px;gap:6px;padding:7px 10px;font-size:14px}.shell .manual-library[data-design=study-library] .rf-layout-toggle button[aria-pressed=true]{color:var(--library-petrol);background:#fff;box-shadow:0 1px 4px #213e3b15}.shell .manual-library[data-design=study-library] .rf-catalog-grid{grid-template-columns:repeat(auto-fit,minmax(min(100%,260px),1fr));align-items:stretch;gap:20px;display:grid}.shell .manual-library[data-design=study-library] .rf-catalog .ml-row{background:#fff;border:1px solid #d2dfdc;border-radius:11px;flex-direction:column;gap:0;min-width:0;padding:0;transition:box-shadow .18s,border-color .18s;display:flex;overflow:visible;box-shadow:0 3px 12px #213e3b06}.shell .manual-library[data-design=study-library] .rf-catalog .ml-row:hover{border-color:#8cb4ad;box-shadow:0 7px 20px #213e3b0d}.shell .manual-library[data-design=study-library] .catalog-book-jacket{color:#f4fbf8;background:#397a7c;border:1px solid #2e6a6c;border-radius:6px 8px 8px 6px;justify-content:space-between;align-items:center;gap:12px;height:122px;margin:13px 13px 0;padding:18px 23px;display:flex;position:relative;overflow:hidden;box-shadow:inset 7px 0 #ffffff17,inset 8px 0 #163d402b}.shell .manual-library[data-design=study-library] [data-tone=clay] .catalog-book-jacket{background:#92664e;border-color:#84583f;box-shadow:inset 7px 0 #ffffff17,inset 8px 0 #5236262b}.shell .manual-library[data-design=study-library] .catalog-jacket-series{letter-spacing:2px;text-align:left;z-index:1;direction:ltr;font:400 15px/1.5 Inter,sans-serif;position:relative}.shell .manual-library[data-design=study-library] .catalog-jacket-series b{letter-spacing:2.6px;font-size:10px;font-weight:500}.shell .manual-library[data-design=study-library] .catalog-jacket-mark{background:#ffffff08;border:1px solid #ffffff62;border-radius:50% 50% 4px 4px;flex-shrink:0;place-items:center;width:67px;height:72px;display:grid}.shell .manual-library[data-design=study-library] .catalog-jacket-index{inset-inline-end:9px;color:#f2f9f4;font:400 10px Inter,sans-serif;position:absolute;bottom:5px}.shell .manual-library[data-design=study-library] .rf-catalog .unit-cover-link{background:#e9efec;border:0;border-radius:10px 10px 0 0;width:100%;margin:0;padding:0;display:block;overflow:hidden}.shell .manual-library[data-design=study-library] .rf-catalog .unit-cover-compact{aspect-ratio:auto;border-radius:0;height:144px}.shell .manual-library[data-design=study-library] .rf-catalog .unit-cover-compact img{object-fit:cover;width:100%;height:100%}.shell .manual-library[data-design=study-library] .rf-catalog .unit-art-number{letter-spacing:1px;color:#255d62;background:#fff;border:1px solid #ffffffa6;border-radius:4px;padding:5px 8px;font:500 11px/1.5 Inter,sans-serif;bottom:12px;left:14px;box-shadow:0 2px 6px #1b363a16}.shell .manual-library[data-design=study-library] .rf-catalog .ml-row-main{text-align:start;width:100%;min-height:0;box-shadow:none;color:var(--library-ink);border:0;border-radius:0;grid-template-columns:38px minmax(0,1fr);align-items:start;gap:8px 12px;padding:19px 20px 14px;display:grid;position:relative;background:0 0!important;margin:0!important}.shell .manual-library[data-design=study-library] .rf-catalog .ml-row-main>.ml-number{grid-area:1/1;display:none;position:static}.shell .manual-library[data-design=study-library] .rf-catalog .ml-row-main>svg:first-of-type{width:36px;height:42px;color:var(--library-petrol);background:#eef4f1;border:1px solid #d5e2de;border-radius:6px;grid-area:1/1;padding:8px;display:block}.shell .manual-library[data-design=study-library] .rf-catalog [data-kind=book] .ml-row-main,.shell .manual-library[data-design=study-library] .rf-catalog [data-kind=unit] .ml-row-main{grid-template-columns:minmax(0,1fr)}.shell .manual-library[data-design=study-library] .rf-catalog [data-kind=book] 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small{color:var(--library-muted);margin-top:8px;font-size:13px;font-weight:400;line-height:1.8;display:block}.shell .manual-library[data-design=study-library] .rf-catalog .ml-row-main>.catalog-open-label{color:var(--library-petrol);border-top:1px solid #edf1ef;grid-area:2/1/auto/-1;align-items:center;gap:8px;min-width:0;margin-top:4px;padding:14px 0 0;font-size:14px;font-weight:500;display:flex}.shell .manual-library[data-design=study-library] .catalog-open-label svg{flex-shrink:0;margin-inline-start:auto}.shell .manual-library[data-design=study-library] .rf-catalog .catalog-learning-caption{letter-spacing:0;color:var(--library-muted);flex-wrap:wrap;align-items:center;gap:7px 12px;margin:0;padding:0 20px 15px;font-size:12px;line-height:1.6;display:flex}.shell .manual-library[data-design=study-library] .catalog-learning-caption>span{align-items:center;gap:4px;display:inline-flex}.shell .manual-library[data-design=study-library] .catalog-learning-caption .catalog-access-tag{color:#427065;margin-inline-start:auto;font-size:12px}.shell .manual-library[data-design=study-library] .curriculum-result-path{color:var(--library-muted);margin-top:5px;font-size:12px;font-weight:400;line-height:1.8;display:block}.shell .manual-library[data-design=study-library] .rf-catalog .rf-catalog-footer{background:#f9fbfa;border-top:1px solid #e3eae6;border-radius:0 0 11px 11px;gap:4px;min-height:52px;padding:7px 10px}.shell .manual-library[data-design=study-library] .rf-catalog .rf-catalog-filetools{flex:165px;gap:2px;min-width:0;padding:0}.shell .manual-library[data-design=study-library] .rf-catalog .rf-catalog-filetools .text-button{color:#456568;border:0;gap:6px;min-height:42px;padding:8px;font-size:13px}.shell .manual-library[data-design=study-library] .rf-catalog .rf-catalog-filetools .text-button:hover{color:var(--library-petrol);background:#edf4f1}.shell .manual-library[data-design=study-library] .rf-catalog 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