/* One place to browse, plan and assign learning materials. */
.library-page{padding-top:22px}
.library-format-picker{display:none}
@media(max-width:720px){.library-format-picker{display:flex;align-items:flex-end;gap:16px;margin-bottom:16px}.library-format-picker>label{display:grid;gap:5px;flex:1;min-width:0;font-size:.8rem;color:#486578}.library-format-picker select{margin:0;min-height:46px;font-size:.92rem;width:100%}.library-format-picker>a{display:inline-flex;align-items:center;gap:6px;min-height:46px;font-size:.85rem}.library-page .library-kinds{display:none}}
.library-workspace-context{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:14px;font-size:.88rem}.library-workspace-context a{display:inline-flex;align-items:center;gap:8px;min-height:44px}.library-workspace-context>span{color:#486578}
.material-row{display:grid;grid-template-columns:96px minmax(0,1fr) 195px;gap:20px;align-items:center;background:white;border:1px solid #c5dadd;border-radius:14px;padding:22px;min-width:0}
.material-art{display:grid;place-items:center;width:96px;height:96px;overflow:hidden;border-radius:10px;background:#eff7f4}.material-art>svg,.material-art>img{width:100%;height:100%;object-fit:contain}.material-copy{min-width:0}.material-meta,.material-level{font-size:.78rem;color:#486578;line-height:1.6}.material-copy h3{font-size:1.1rem;line-height:1.35;margin:6px 0}.material-copy h3 a{color:var(--ink);text-decoration:none}.material-copy h3 a:hover{text-decoration:underline}.material-copy p{font-size:.9rem;line-height:1.5;margin:0 0 8px;max-width:62ch}.material-actions{display:grid;justify-items:stretch;gap:6px}.material-actions>.btn{justify-self:start}.material-actions .library-plan-actions{border:0;padding:0;margin:0;display:grid;grid-template-columns:1fr}.material-actions .library-plan-actions .btn{width:100%;min-width:0}
@media(max-width:1100px){.material-row{grid-template-columns:80px minmax(0,1fr);gap:16px}.material-art{width:80px;height:80px}.material-actions{grid-column:2;display:flex;flex-wrap:wrap;align-items:center}.material-actions .library-plan-actions{display:flex;flex-wrap:wrap}.material-actions .library-plan-actions .btn{width:auto}}
@media(max-width:560px){.library-workspace-context>span{display:none}.material-row{grid-template-columns:56px minmax(0,1fr);padding:16px;gap:12px;align-items:start}.material-art{width:56px;height:56px}.material-copy h3{font-size:1rem}.material-copy p{font-size:.88rem}.material-actions{grid-column:1/-1;border-top:1px solid #dbe7e9;padding-top:10px}.material-actions .library-plan-actions{flex:1;gap:4px}.material-actions .library-plan-actions .btn{font-size:.78rem}.material-actions>.btn{font-size:.78rem}.library-page .lesson-grid.is-list{gap:12px}}
.library-kinds{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:18px;border-bottom:1px solid #cbdde2;padding-bottom:10px}
.library-kind{display:inline-flex;align-items:center;gap:8px;min-height:46px;border:1px solid transparent;border-radius:9px;background:transparent;padding:10px 14px;color:#075d63;font:inherit;font-size:.88rem;cursor:pointer}
.library-kind.selected{background:#e4f2ee;border-color:#b8d7d4;font-weight:650}.library-kinds .icon{width:20px;height:20px}.library-shared{display:inline-flex;align-items:center;gap:7px;min-height:44px;margin-left:auto;color:#075d63;font-size:.85rem}
.library-finder{container-type:inline-size;background:var(--paper);border:1px solid #cbdde2;border-radius:14px;padding:20px;box-shadow:none}
.library-search-row{display:flex;align-items:center;gap:16px}.library-search-row .library-search{flex:1;min-width:0;margin:0}.library-search input{margin:0;min-height:50px;padding-left:44px;background:#f8fbfb;font-size:1rem}.library-search-row .library-create{min-height:50px;white-space:nowrap;font-size:.88rem;padding-inline:18px}
.library-filter-toggle{display:flex;align-items:center;gap:10px;width:100%;min-height:48px;margin-top:14px;padding:8px 0;color:#075d63;border:0;background:transparent;text-align:left;font:inherit;font-size:.85rem;cursor:pointer}.library-filter-toggle>.icon{width:19px;height:19px;flex:none}.library-filter-toggle>.icon:last-child{margin-left:auto}.library-filter-toggle[aria-expanded=true]>.icon:last-child{transform:rotate(180deg)}.library-filter-toggle>span:first-of-type{display:flex;gap:8px;align-items:center;font-weight:650}.library-filter-count{display:inline-grid;place-items:center;min-width:22px;min-height:22px;border-radius:50%;background:#e4f2ee;font-size:.75rem}.library-filter-summary{color:#486578;font-size:.83rem;line-height:1.4;min-width:0}
.library-controls{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-top:12px;padding-top:16px;border-top:1px solid #dbe7e9}.library-controls[hidden]{display:none}.library-controls>label{display:grid;gap:7px;min-width:0;font-size:.82rem;line-height:1.4;font-weight:600;color:#486578}.library-controls select{width:100%;min-width:0;min-height:48px;margin:0;font-size:.9rem;line-height:1.4;font-weight:400;color:var(--ink);padding:10px 32px 10px 12px;background-color:#fff}
.library-results-heading{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:25px 0 12px}.library-results-heading h2{font-size:1.35rem;margin:0 0 7px;line-height:1.35}.library-results-heading p{margin:0;font-size:.88rem;color:var(--muted)}.library-view-switch{display:flex;gap:3px;flex:none}.library-view-switch button{display:inline-flex;align-items:center;gap:6px;min-height:44px;padding:8px 10px;border:1px solid #cbdde2;background:white;color:#075d63;border-radius:7px;font:inherit;font-size:.8rem;cursor:pointer}.library-view-switch button[aria-pressed=true]{background:#e4f2ee;border-color:#8bb9bc}.library-view-switch .icon{width:17px;height:17px}
.library-plan-context{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:8px 16px;margin:0 0 18px}.library-plan-context select{min-height:44px;width:auto;min-width:145px;max-width:230px;margin:0;padding:8px 30px 8px 10px;font-size:.86rem}.library-plan-context .btn{min-height:44px}
.library-page .lesson-grid{gap:20px}.library-page .lesson-image{height:155px}.library-page .lesson-info{padding:20px;display:flex;flex-direction:column}.library-page .lesson-info h3{font-size:1.08rem;line-height:1.4}.library-page .lesson-info>p{font-size:.9rem;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.library-page .lesson-foot{margin-top:auto;padding-top:14px;gap:8px}.library-page .lesson-foot .btn{min-height:44px;padding-inline:8px;font-size:.8rem}.library-plan-actions{display:flex;flex-wrap:wrap;gap:8px;border-top:1px solid #dbe7e9;margin-top:12px;padding-top:12px}.library-plan-actions .btn{min-height:44px;justify-content:center;font-size:.81rem;padding:9px 11px;line-height:1.4}.library-plan-actions .btn:first-child{flex:1}.library-plan-actions .btn:disabled{opacity:1;color:#075d63;background:#e4f2ee;border-color:#b8d7d4;cursor:default}
.library-page .lesson-grid.is-list{grid-template-columns:minmax(0,1fr)}.is-list .lesson-card{display:grid;grid-template-columns:170px minmax(0,1fr)}.library-page .is-list .lesson-image{height:100%;min-height:170px}.library-page .is-list .lesson-info{display:block}.is-list .lesson-info h3{margin-top:10px}.is-list .lesson-foot{padding:0;border:0}.is-list .library-plan-actions{justify-content:flex-end}.is-list .library-plan-actions .btn:first-child{flex:0 1 auto}
.plan-song-poster{width:100%;height:100%;object-fit:cover}.plan-song-mark{display:grid;place-items:center;width:100%;height:100%;background:#e4f2ee;color:#075d63}.plan-song-mark .icon{width:60px;height:60px}.activity-thumb .plan-song-poster{width:100%;height:100%;object-fit:contain}.student-activity>.plan-song-poster{max-width:180px;border-radius:12px;object-fit:contain}.day-art>.plan-song-poster{max-width:100%;border-radius:16px}
.song-preview{margin-top:20px}.song-preview-heading{display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap}.song-preview-heading h2{margin:12px 0}.song-preview-heading .library-plan-actions{border:0;margin:0;padding:0}.planned-song{max-width:900px;margin-inline:auto}.planned-song video{display:block;width:100%;height:auto;max-height:65dvh;aspect-ratio:16/9;background:#14334b;border-radius:12px;object-fit:contain}.planned-song audio{width:100%;margin-block:18px}.song-audio-art{padding:40px;display:grid;justify-items:center;gap:12px;background:#eff7f4;border-radius:14px}.song-audio-art .icon{width:60px;height:60px}.song-words{margin-block:18px;border-block:1px solid #cbdde2;padding:8px 0}.song-words summary{min-height:44px;cursor:pointer;padding:10px 0;color:#075d63;font-weight:600}.song-words p{white-space:pre-line}.planned-song-card h1{font-size:clamp(1.5rem,4vw,2.1rem)}
.tracing-library{display:flex;align-items:flex-start;gap:24px;max-width:850px;margin-top:24px}.tracing-symbol{padding:18px;background:#e4f2ee;border-radius:14px;color:#075d63}.tracing-symbol .icon{width:42px;height:42px}.tracing-library h2{font-size:1.6rem;margin:0 0 10px}.tracing-library p{max-width:60ch}
.library-page button:focus-visible,.library-page a:focus-visible,.library-controls select:focus-visible{outline:3px solid #275eb8;outline-offset:3px}
@container(max-width:48rem){.library-controls{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:720px){.library-page{padding-top:16px}.library-finder{padding:16px}.library-search-row .library-create{display:none}.library-search input{min-height:48px}.library-kinds{gap:4px}.library-kind{padding:8px;font-size:.8rem;gap:5px}.library-shared{margin-left:0;font-size:.8rem}.library-filter-toggle{flex-wrap:wrap;gap:6px 8px}.library-filter-summary{flex-basis:calc(100% - 40px);margin-left:28px;order:2;font-size:.8rem}.library-filter-toggle>.icon:last-child{margin-left:auto}.library-controls{grid-template-columns:minmax(0,1fr);gap:14px}.library-results-heading{flex-wrap:wrap;padding-top:20px;gap:12px}.library-results-heading h2{font-size:1.2rem}.library-plan-context select{max-width:100%}.library-page .lesson-info{padding:18px}.library-page .lesson-info>p{font-size:.94rem}.library-page .lesson-image{height:150px}.is-list .lesson-card{grid-template-columns:90px minmax(0,1fr)}.library-page .is-list .lesson-image{min-height:130px}.is-list .lesson-image>.badge{font-size:.65rem;top:6px;left:6px}.is-list .library-plan-actions{margin-left:-108px;padding-top:14px}.is-list .lesson-foot{flex-wrap:wrap}.tracing-library{gap:14px}.tracing-symbol{padding:10px}.tracing-symbol .icon{width:26px;height:26px}.song-preview-heading{display:block}.song-preview-heading .library-plan-actions{margin-bottom:18px}.topbar-right{gap:8px}}
/* Preview art stays inside its own frame and never covers a card title. */
.library-thumbnail{width:100%;height:100%;min-width:0;min-height:0;display:grid;place-items:center;overflow:hidden}
.library-page .library-thumbnail .kg-visual{margin:0;padding:8px;max-width:100%}
.library-page .library-thumbnail .kg-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px;width:100%}
.library-page .library-thumbnail .kg-cards:has(>:only-child){grid-template-columns:1fr;max-width:200px}
.library-page .library-thumbnail .kg-cards>span{font-size:.9rem;line-height:1.35;padding:6px;text-align:center;overflow-wrap:normal}
.library-thumbnail .kg-picture-cards{gap:8px;margin:0}.library-thumbnail .kg-object-card{flex:1 1 60px;margin:0;min-width:0;text-align:center}
.library-thumbnail .kg-object-card img,.library-thumbnail .instruction-art{width:60px;height:60px;object-fit:contain}
.library-thumbnail figcaption{font-size:.8rem;line-height:1.3;margin:4px 0 0}
.library-thumbnail .kg-counter-group figcaption{font-size:.85rem}
.library-thumbnail .kg-counters{gap:6px}.library-thumbnail .kg-counter{width:18px;height:18px}
.library-thumbnail .kg-counter i{width:18px;height:18px;flex-shrink:0}
.library-thumbnail .plan-song-poster{width:100%;height:auto;max-height:100%;aspect-ratio:16/9;object-fit:contain}

.library-plan-context:empty{display:none}.assign-picker{display:flex;align-items:center;gap:8px;padding:0 12px;background:#fff;border:1px solid #8caeb7;border-radius:9px;min-width:0;width:100%;color:#075d63}.assign-picker>svg{flex:none;width:20px;height:20px}.assign-picker select{border:0;background:transparent;margin:0;min-height:46px;padding:8px 24px 8px 0;width:100%;min-width:0;font-size:.88rem;color:inherit;font-weight:600}.assign-picker:focus-within{outline:3px solid #275eb8;outline-offset:3px}.assign-picker select:focus-visible{outline:none}.library-plan-actions .assign-picker{min-width:160px}.library-plan-actions[tabindex]:focus-visible{outline:3px solid #275eb8;outline-offset:3px}