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ease}.filter-dropdown-option:hover{background:var(--sage-light);color:var(--sage)}.filter-dropdown-option.active{color:var(--sage);font-weight:600}.library-grid,.content-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:20px}.card:before{content:"";position:absolute;top:0;left:0;right:0;height:4px;border-radius:var(--radius) var(--radius) 0 0;opacity:0;transition:opacity .3s}.card:hover:before{opacity:1}.card[data-type=test]:before{background:var(--sage)}.card[data-type=quiz]:before{background:var(--amber)}.card[data-type=worksheet]:before{background:var(--coral)}.card[data-type=lesson]:before{background:var(--violet)}.card-top{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:16px}.card-type{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:1.2px;padding:4px 10px;border-radius:6px}.card[data-type=test] .card-type{background:var(--sage-light);color:var(--sage)}.card[data-type=quiz] 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h3{line-height:1.35;margin-bottom:8px}.card-desc{font-size:14px;color:var(--slate);line-height:1.55;margin-bottom:20px}.card-meta{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:18px}.meta-tag{font-size:12px;color:var(--slate);display:flex;align-items:center;gap:4px}.meta-dot{width:5px;height:5px;border-radius:50%;background:var(--border);display:inline-block}.card-footer{display:flex;justify-content:space-between;align-items:center;padding-top:16px;border-top:1px solid var(--border)}.card-standards{display:flex;gap:6px;flex-wrap:wrap}.card-rating{display:flex;align-items:center;gap:4px;font-size:13px;font-weight:600;color:var(--amber);white-space:nowrap}.card-rating span{color:var(--slate);font-weight:400;font-size:12px}.library-grid .card:nth-child(2){animation-delay:.05s}.library-grid .card:nth-child(3){animation-delay:.1s}.library-grid .card:nth-child(4){animation-delay:.15s}.library-grid .card:nth-child(5){animation-delay:.2s}.library-grid .card:nth-child(6){animation-delay:.25s}.library-grid .card:nth-child(7){animation-delay:.3s}.library-grid .card:nth-child(8){animation-delay:.35s}.library-grid .card:nth-child(9){animation-delay:.4s}.course-detail-title{margin-top:20px;margin-bottom:32px}.standards-list{display:flex;flex-direction:column;gap:12px}.accordion-card{padding:0;overflow:hidden}.accordion-header{display:flex;justify-content:space-between;align-items:center;padding:20px 28px;cursor:pointer;transition:background .2s ease}.accordion-header:hover{background:var(--sage-light)}.accordion-header-left{display:flex;align-items:center;gap:12px;flex:1;min-width:0}.accordion-title{font-size:15px;font-weight:500}.accordion-count{font-size:13px;font-weight:600;color:var(--slate);white-space:nowrap;margin-left:16px}.accordion-body{border-top:1px solid var(--border);padding:0}.expectation-row{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:16px 28px;border-bottom:1px solid var(--border);transition:background .15s ease}.expectation-row:last-child{border-bottom:none}.expectation-row:hover{background:var(--sage-light)}.expectation-info{flex:1;min-width:0}.expectation-header{display:flex;align-items:center;gap:8px;margin-bottom:4px}.expectation-letter{font-size:13px;color:var(--slate);font-weight:500}.expectation-desc{font-size:14px;line-height:1.5;color:var(--ink)}.expectation-meta{font-size:13px;color:var(--slate);margin-top:4px}.item-bank-title{margin-top:16px}.item-bank-filters{display:flex;gap:12px;flex-wrap:wrap;margin:20px 0 24px}.item-bank-search{flex:1;min-width:200px;border-radius:16px}.item-bank-filters select{min-width:160px}.item-bank-count{font-size:14px;color:var(--slate);font-weight:500;margin-bottom:20px}.item-bank-list{display:flex;flex-direction:column;gap:12px}.item-bank-row{padding:20px 28px}.item-bank-row:hover{transform:translateY(-2px)}.item-bank-row-top{display:flex;justify-content:space-between;align-items:center;gap:16px}.item-bank-row-badges{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.item-bank-stem{margin-top:12px;font-size:14px;color:var(--slate);line-height:1.5}.item-detail-page{max-width:760px}.item-detail-badges{display:flex;gap:8px;flex-wrap:wrap;margin-top:20px}.item-detail-domain{color:var(--slate);font-size:14px;margin-top:8px}.item-detail-question{margin-top:28px;padding:32px}.item-detail-stem{font-size:17px;line-height:1.6;margin-bottom:20px}.item-detail-choice{display:flex;align-items:center;gap:10px;padding:12px 16px;margin-bottom:6px;border-radius:var(--radius-sm);border:1.5px solid transparent;font-size:15px;transition:all .2s ease}.item-detail-choice:hover{background:var(--sage-light)}.item-detail-choice-correct{background:var(--sage-light);border-color:var(--sage)}.item-detail-choice-letter{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:50%;background:#f0eeeb;font-size:13px;font-weight:600;color:var(--slate);flex-shrink:0}.item-detail-choice-correct .item-detail-choice-letter{background:var(--sage);color:#fff}.item-detail-accepted{margin-top:8px;font-size:15px;color:var(--ink)}.item-detail-toggle{margin-top:20px}.item-detail-explanation{margin-top:16px;background:var(--sage-light);border-color:transparent}.item-detail-explanation h3{margin-bottom:8px}.item-detail-explanation p{font-size:15px;line-height:1.6;color:var(--ink)}@media(max-width:768px){.library-header{flex-direction:column;align-items:flex-start;gap:12px}.library-search{flex-direction:column}.library-grid{grid-template-columns:1fr}.item-bank-filters{flex-direction:column}.item-bank-filters select{min-width:unset;width:100%}.item-bank-row-top{flex-direction:column;align-items:flex-start}.expectation-row{flex-direction:column;align-items:flex-start;gap:12px;padding:16px 20px}.accordion-header{padding:16px 20px}.item-detail-question{padding:24px 20px}}