/* Catalogue follows the portal's existing warm book-and-paper visual language. */
.catalog-page{max-width:1240px;margin:0 auto;padding-bottom:24px}.catalog-breadcrumbs{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:12px;margin-bottom:28px;color:var(--muted)}.catalog-breadcrumbs a:hover{text-decoration:underline;color:var(--accent)}.catalog-breadcrumbs [aria-current]{color:var(--text)}.catalog-heading{display:flex;align-items:center;gap:26px;margin-bottom:32px}.catalog-heading>div{flex:1;min-width:0}.catalog-heading h1{font-size:clamp(30px,3vw,44px);letter-spacing:-1px;overflow-wrap:anywhere}.catalog-heading p{margin:12px 0 0;max-width:680px}.catalog-heading small{display:block;margin:9px 0}.catalog-heading .text-link{display:block;margin-top:14px}.catalog-kicker{font-size:10px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);display:block;margin-bottom:8px}.catalog-heading-book{align-items:center}.catalog-cover{height:200px;background:#efe4d6;overflow:hidden;border-bottom:1px solid var(--line)}.catalog-cover img{width:100%;height:100%;object-fit:contain;display:block;padding:14px}.catalog-cover-placeholder{height:100%;display:flex;flex-direction:column;justify-content:space-between;padding:23px 24px 20px;border-left:9px solid #b8c1af;background:linear-gradient(120deg,#f3eddf,#e6e7db);color:#464e41}.catalog-cover-placeholder>span{font-size:9px;letter-spacing:.15em}.catalog-cover-placeholder strong{font-family:var(--display);font-size:24px;font-weight:400;line-height:1.15;overflow-wrap:anywhere}.catalog-cover-placeholder small{color:#626953;font-size:11px}.catalog-heading>.catalog-cover-large{flex:0 0 150px;height:194px;border:1px solid var(--line);border-radius:4px 9px 9px 4px}.catalog-heading>.catalog-cover-large .catalog-cover-placeholder{padding:15px}.catalog-heading>.catalog-cover-large strong{font-size:20px}.catalog-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.catalog-card{border:1px solid var(--line);border-radius:12px;background:var(--panel);overflow:hidden;position:relative}.catalog-card[hidden]{display:none}.catalog-card-link{display:block;height:100%}.catalog-card-link:hover{background:#f6eee5}.catalog-card-link:focus-visible{outline-offset:-4px}.catalog-card-copy{padding:21px 23px 24px}.catalog-card h3{font-size:20px;line-height:1.25;overflow-wrap:anywhere}.catalog-card p{font-size:12px;margin-top:11px}.catalog-card-arrow{position:absolute;right:18px;top:16px;line-height:1;background:var(--panel);padding:8px;border-radius:50%;color:var(--accent)}.catalog-card-tools{border-top:1px solid var(--line);padding:9px 20px}.catalog-card:has(.catalog-card-tools) .catalog-card-link{height:calc(100% - 45px)}.catalog-card-tools button{font-size:12px;min-height:26px}.catalog-no-cover{display:inline-block;font-size:10px;color:#806442;margin-top:10px}.catalog-card-compact .catalog-card-link{display:flex;align-items:flex-start;padding:22px 18px;gap:14px}.catalog-card-compact .catalog-card-copy{padding:0 18px 0 0}.catalog-node-number{flex-shrink:0;min-width:34px;color:var(--accent);font-family:var(--display);font-size:25px}.catalog-card-compact h3{font-size:18px}.catalog-card-compact .catalog-card-arrow{background:none;top:20px;right:10px;font-size:13px}.catalog-search{max-width:460px;margin:0 0 24px}.catalog-search input{margin-top:7px}.catalog-search-empty{padding:24px 0}.catalog-slots{display:grid;gap:14px}.catalog-slot{display:flex;gap:20px;align-items:center;border:1px solid var(--line);background:var(--panel);border-radius:12px;padding:22px 24px}.catalog-slot-code{font-family:var(--display);font-size:26px;min-width:48px;color:var(--accent)}.catalog-slot-copy{flex:1;min-width:0}.catalog-slot h3{font-size:21px;overflow-wrap:anywhere}.catalog-slot-copy p{font-size:13px;margin-top:5px}.catalog-slot-actions{display:flex;flex-wrap:wrap;gap:10px;justify-content:flex-end}.catalog-status{display:inline-block;margin-top:6px;font-size:11px;color:var(--muted)}.catalog-status-published{color:#4b684c}.catalog-status-review{color:#866525}.catalog-missing{padding:14px 19px;border:1px solid #ded0be;background:#f8f0e4;border-radius:10px;margin-bottom:28px}.catalog-missing summary{cursor:pointer;font-size:13px;color:#775733}.catalog-missing>p{font-size:12px;max-width:720px;margin:12px 0}.catalog-missing [data-catalog-missing-list]{display:grid;grid-template-columns:1fr 1fr;gap:0 25px}.catalog-missing [data-catalog-missing-list]>a{display:grid;grid-template-columns:1fr auto;gap:3px 12px;padding:11px 0;border-bottom:1px solid #e4d8c8;font-size:12px}.catalog-missing [data-catalog-missing-list]>a>span:first-of-type{grid-column:1;font-size:10px;color:var(--muted)}.catalog-missing [data-catalog-missing-list]>a>span:last-child{grid-column:2;grid-row:1/3;align-self:center}.catalog-missing>button{margin-top:15px;font-size:12px}.catalog-empty{padding:34px 0;max-width:680px}.catalog-empty h2{font-size:26px;margin-bottom:12px}.catalog-empty .btn{margin-top:20px}.catalog-loading{padding:28px 0}.catalog-standalone{margin-top:42px}.catalog-standalone .section-head{margin-bottom:18px}.catalog-legacy-list{display:grid;gap:0;border-top:1px solid var(--line)}.catalog-legacy-list>a{display:flex;align-items:center;justify-content:space-between;gap:20px;border-bottom:1px solid var(--line);padding:20px 4px}.catalog-legacy-list h3{font-size:19px}.catalog-legacy-list p{font-size:12px;margin-top:5px}.catalog-legacy-list>a:hover{color:var(--accent)}.catalog-dialog{width:min(680px,calc(100% - 32px));max-height:90dvh;overflow:auto;border:1px solid var(--line);border-radius:16px;padding:28px;background:var(--panel);color:var(--text)}.catalog-dialog::backdrop{background:rgba(41,32,24,.42)}.catalog-dialog-heading{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:15px}.catalog-dialog-heading h2{font-size:26px}.catalog-dialog form>p{font-size:12px}.catalog-cover-editor{display:grid;grid-template-columns:170px 1fr;gap:25px;align-items:center;margin:24px 0}.catalog-cover-editor .catalog-cover{height:214px;border:1px solid var(--line);border-radius:7px}.catalog-cover-editor p{font-size:12px;margin:14px 0}.catalog-cover-editor .text-link{font-size:12px}.catalog-upload{margin:0;cursor:pointer}.catalog-dialog-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:24px}.catalog-dialog [role=status]{min-height:20px;margin:14px 0;color:var(--muted)}.catalog-draft-path{display:block;margin-top:6px;overflow-wrap:anywhere;font-weight:500}.catalog-draft-location p{margin:8px 0 12px}.catalog-draft-location .text-link{font-size:12px}
@media(min-width:1450px){.catalog-grid{grid-template-columns:repeat(4,minmax(0,1fr))}}@media(max-width:1080px){.catalog-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.catalog-slot{flex-wrap:wrap}.catalog-slot-actions{width:100%;justify-content:flex-start;padding-left:68px}}@media(max-width:600px){.catalog-heading{gap:16px;flex-wrap:wrap;margin-bottom:24px}.catalog-heading-book{flex-wrap:nowrap}.catalog-heading>.catalog-cover-large{flex-basis:92px;height:133px}.catalog-heading>.catalog-cover-large .catalog-cover-placeholder{padding:10px;border-left-width:5px}.catalog-heading>.catalog-cover-large strong{font-size:15px}.catalog-heading>.catalog-cover-large small{font-size:9px}.catalog-heading h1{font-size:29px}.catalog-heading-book h1{font-size:26px}.catalog-heading p{font-size:13px}.catalog-grid{gap:12px}.catalog-cover{height:162px}.catalog-cover-placeholder{padding:14px;border-left-width:6px}.catalog-cover-placeholder strong{font-size:19px}.catalog-card-copy{padding:15px 14px 18px}.catalog-card h3{font-size:17px}.catalog-card p{font-size:11px}.catalog-card-tools{padding:8px 14px}.catalog-card-arrow{display:none}.catalog-card-compact .catalog-card-link{padding:17px 12px;gap:9px}.catalog-card-compact .catalog-card-copy{padding:0}.catalog-node-number{font-size:21px;min-width:25px}.catalog-card-compact h3{font-size:16px}.catalog-missing [data-catalog-missing-list]{grid-template-columns:1fr}.catalog-slot{padding:18px;gap:12px}.catalog-slot-code{min-width:36px;font-size:23px}.catalog-slot h3{font-size:18px}.catalog-slot-actions{padding-left:0}.catalog-slot-actions .btn{flex:1;text-align:center}.catalog-cover-editor{grid-template-columns:110px 1fr;gap:17px}.catalog-cover-editor .catalog-cover{height:160px}.catalog-dialog{padding:20px}.catalog-dialog-heading h2{font-size:23px}.catalog-dialog-actions{justify-content:flex-start;flex-wrap:wrap}.catalog-breadcrumbs{font-size:11px;margin-bottom:23px}}@media(prefers-reduced-motion:reduce){.catalog-page *{scroll-behavior:auto}}
.catalog-library-cover{width:170px;min-height:214px;align-self:stretch;border:1px solid var(--line);border-radius:5px 12px 12px 5px;background:#efe4d6;display:flex;align-items:center;justify-content:center;overflow:hidden;flex-shrink:0}.catalog-library-cover img{width:100%;height:100%;max-height:260px;object-fit:contain;padding:12px}@media(max-width:600px){.catalog-library-cover{width:118px;min-height:165px}.catalog-library-cover img{max-height:200px}}
.catalog-structure-actions{display:flex;gap:20px;align-items:center;margin:0 0 25px}.catalog-structure-actions p{font-size:12px;max-width:480px}.catalog-delete-slot{font-size:11px;flex-basis:100%;text-align:right}.catalog-unverified{margin:0 0 25px}.catalog-unverified-list{display:grid;grid-template-columns:1fr 1fr;gap:0 25px}.catalog-unverified-list>a{display:grid;grid-template-columns:1fr auto;gap:3px 12px;padding:11px 0;border-bottom:1px solid #e4d8c8;font-size:12px}.catalog-unverified-list>a>span:first-of-type{grid-column:1;font-size:10px;color:var(--muted)}.catalog-unverified-list>a>span:last-child{grid-column:2;grid-row:1/3;align-self:center}@media(max-width:600px){.catalog-structure-actions{align-items:flex-start;flex-direction:column;gap:10px}.catalog-delete-slot{text-align:left}.catalog-unverified-list{grid-template-columns:1fr}}

.catalog-edition{margin:0 0 36px}.catalog-edition[hidden]{display:none}.catalog-edition-heading{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:18px;margin-bottom:20px}.catalog-edition-heading h2{font-size:23px;overflow-wrap:anywhere}.catalog-edition-heading .catalog-kicker{margin-bottom:6px}.catalog-edition-actions{display:flex;align-items:center;flex-wrap:wrap;gap:18px}.catalog-edition-actions .text-link{font-size:12px}.catalog-edition-actions .catalog-structure-actions{margin:0}.catalog-edition-empty{font-size:13px;padding:12px 0 20px}@media(max-width:600px){.catalog-edition-heading{align-items:flex-start;gap:14px}.catalog-edition-heading h2{font-size:21px}.catalog-edition-actions{gap:12px}}

.catalog-discovery{margin:0 0 30px;padding:22px 24px;background:var(--panel);border:1px solid var(--line);border-radius:12px}.catalog-discovery .catalog-search{display:block;max-width:620px;margin-bottom:17px}.catalog-filter-list{display:flex;flex-wrap:wrap;gap:8px}.catalog-filter{font:inherit;font-size:12px;border:1px solid var(--line);border-radius:7px;background:transparent;color:var(--text);padding:8px 12px;min-height:38px;cursor:pointer}.catalog-filter:hover{border-color:var(--accent)}.catalog-filter[aria-pressed=true]{color:var(--accent);background:#f9e9df;border-color:var(--accent);font-weight:600}.catalog-filter-note{font-size:12px;margin-top:14px;color:var(--muted);line-height:1.6}.catalog-filter-note a{color:var(--accent);text-decoration:underline;text-underline-offset:3px;margin-left:5px}.catalog-recommended{display:block;margin-top:12px;font-size:11px;font-weight:600;color:#4b684c}.catalog-card p.catalog-level-hint{font-size:11px;color:var(--muted);margin-top:7px}.catalog-learner-actions{display:flex;flex-wrap:wrap;gap:8px;padding:0 21px 20px}.catalog-card:has(.catalog-learner-actions){display:flex;flex-direction:column}.catalog-card:has(.catalog-learner-actions) .catalog-card-link{height:auto;flex:1}.catalog-learner-actions .btn{font-size:11px;padding:9px 11px;min-height:38px}.catalog-heading-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:19px}.catalog-legacy-row{display:flex;align-items:center;gap:24px;justify-content:space-between;border-bottom:1px solid var(--line);padding:20px 4px}.catalog-legacy-link{flex:1;min-width:0}.catalog-legacy-link:hover h3{color:var(--accent)}.catalog-legacy-row .catalog-slot-actions{flex-shrink:0}.catalog-legacy-row .catalog-slot-actions .btn{font-size:12px}.catalog-search-empty h2{font-size:25px;margin-bottom:10px}.catalog-search-empty .btn{margin-top:16px}.catalog-page [data-catalog-item][hidden],.catalog-page [data-catalog-standalone][hidden],.catalog-search-empty[hidden]{display:none}
@media(max-width:600px){.catalog-discovery{padding:18px 16px}.catalog-filter-list{gap:6px}.catalog-filter{padding:8px 10px}.catalog-learner-actions{padding:0 13px 15px;gap:7px}.catalog-learner-actions .btn{width:100%;font-size:11px;padding:9px 6px;text-align:center}.catalog-legacy-row{align-items:flex-start;flex-direction:column;gap:14px}.catalog-legacy-row .catalog-slot-actions{width:100%;padding:0}.catalog-heading-actions .btn{font-size:12px}.catalog-heading-book:has(.catalog-heading-actions){align-items:flex-start;flex-wrap:wrap}.catalog-heading-book:has(.catalog-heading-actions)>div:not(.catalog-cover){flex-basis:calc(100% - 120px)}}

/* Keep the current lesson and the textbook outline within one view. */
.catalog-card .catalog-resume{color:var(--accent);font-weight:600}
.lesson-reading-layout{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:28px;align-items:start}
.lesson-content{min-width:0}
.lesson-sidebar{position:sticky;top:20px;display:grid;gap:16px;min-width:0}
.lesson-outline{border:1px solid var(--line);border-radius:12px;background:var(--panel);padding:20px}
.lesson-outline-heading{display:flex;align-items:flex-start;gap:12px;margin-bottom:20px}
.lesson-outline-heading>div{min-width:0}
.lesson-outline-heading h2{font-size:20px;letter-spacing:-.4px;line-height:1.2}
.lesson-outline-cover{width:48px;height:68px;object-fit:contain;flex-shrink:0;background:#efe4d6;border-radius:3px}
.lesson-outline-book{font-size:12px;line-height:1.5;margin-top:8px;overflow-wrap:anywhere}
.lesson-outline-heading small{display:block;font-size:10px;margin-top:4px}
.lesson-outline-units{max-height:55dvh;overflow-y:auto;overscroll-behavior:contain;margin-bottom:12px}
.lesson-outline-unit{border-top:1px solid var(--line)}
.lesson-outline-unit>summary{cursor:pointer;padding:12px 2px;font-size:14px;font-weight:600}
.lesson-outline-unit>div{display:grid;gap:5px;padding:0 0 12px}
.lesson-outline-link{display:flex;align-items:baseline;gap:10px;padding:10px 12px;border-left:3px solid transparent;border-radius:6px;font-size:13px;overflow-wrap:anywhere}
.lesson-outline-link:hover{background:var(--library-tint,#f6eee5)}
.lesson-outline-link[aria-current="page"]{background:var(--library-tint,#f6eee5);border-left-color:var(--accent);font-weight:600}
.lesson-outline-code{color:var(--accent);flex-shrink:0;min-width:24px}
.lesson-outline>.text-link{display:inline-block;font-size:12px}
.lesson-guide-panel{padding:18px 20px;border-radius:12px}
.lesson-guide-panel>summary{cursor:pointer;font-size:13px;font-weight:600}
.lesson-guide-panel>.scene{margin-top:18px;height:110px}
.lesson-guide-panel h2{font-size:20px}
.lesson-guide-panel>.btn{white-space:normal;text-align:center}
@media(max-width:1100px){.lesson-reading-layout{grid-template-columns:minmax(0,1fr);gap:22px}.lesson-sidebar{position:static;order:-1;grid-template-columns:minmax(0,1fr)}.lesson-outline-heading{margin-bottom:12px}.lesson-outline-units{max-height:240px}.lesson-guide-panel{display:none}}
@media(max-width:600px){.lesson-outline{padding:16px}.lesson-outline-heading h2{font-size:19px}.lesson-outline-cover{width:40px;height:56px}.lesson-outline-heading small{display:none}.lesson-outline-book{margin-top:5px}.lesson-outline-link{min-height:44px}.lesson-outline-units{max-height:180px}}

/* Language and catalogue navigation */
.catalog-language-tabs{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0}.catalog-browse-filters{display:flex;flex-wrap:wrap;gap:16px;margin:16px 0}.catalog-browse-filters label{display:grid;gap:6px;min-width:170px}.catalog-browse-filters select{max-width:100%;padding:10px;border:1px solid #d0d5c6;border-radius:8px;background:var(--surface,#fff)}