.vocabulary-section-tabs{display:flex;gap:8px;padding:6px;background:#eaecef;border-radius:13px;width:max-content;max-width:100%;margin:0 0 25px}.vocabulary-section-tabs a{display:flex;align-items:center;gap:12px;padding:11px 18px;font-size:15px;color:#747d85;border-radius:9px;font-weight:600}.vocabulary-section-tabs a[aria-current]{background:white;box-shadow:0 2px 5px #1d2c3509;color:#171c19}.vocabulary-section-tabs a span{font-size:12px;min-width:23px;text-align:center;border-radius:5px;background:#f2f4f3;color:#79827b;padding:1px 5px}.vocabulary-section-tabs a[aria-current] span{background:#e8f2eb;color:#26734e}.library-intro{background:#eaf2ec;border:1px solid #e0e9e2;border-radius:18px;padding:25px 27px;display:flex;align-items:center;gap:20px;justify-content:space-between;margin:0 0 28px}.library-intro>div{display:flex;gap:22px;align-items:center}.library-intro-mark{font-size:41px;letter-spacing:-2px;font-weight:700;color:#276b49;position:relative;line-height:1.3}.library-intro-mark>span{font-size:22px;position:absolute;right:-9px;top:-10px;color:#e4443d}.library-intro strong{font-size:21px;line-height:1.4;color:#203d2b}.library-intro p{font-size:14px;color:#708577;line-height:1.6;margin:4px 0 0}.library-to-study{font-size:14px;font-weight:600;color:#2c704b;white-space:nowrap}.library-shelves{display:flex;gap:8px;flex-wrap:wrap;margin:0 0 24px}.library-shelves button{border:1px solid #dfe3e4;padding:11px 16px;border-radius:10px;background:white;color:#68716d;font-size:14px;font-weight:550;transition:background .15s,border-color .15s}.library-shelves button.active{background:#1b211d;color:white;border-color:#1b211d}.library-shelves button:hover:not(.active){border-color:#a3b4a8;background:#f3f7f4}.library-filters{display:flex;gap:24px;align-items:center;justify-content:space-between}.library-filters .level-pills{align-items:center}.library-filters .level-pills>span{font-size:14px;font-weight:600;margin-right:12px;white-space:nowrap}.library-search{max-width:420px;flex:1}.library-search input{width:100%;min-width:0}.library-filter-note{font-size:14px;color:#7c877f;margin:0}.library-topic-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.library-topic-card{display:flex;flex-direction:column;min-width:0;padding:23px 23px 21px;background:white;border:1px solid #e2e7e4;border-radius:17px;transition:transform .18s,border-color .18s,box-shadow .18s}.library-topic-card:hover{transform:translateY(-3px);border-color:#abc7b2;box-shadow:0 8px 25px 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span{display:block;height:100%;background:#2c875b}.library-topic-complete{border-color:#b7d3bf}.library-topic-complete .library-topic-bottom strong{color:#28774e}.library-word-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.library-word{min-width:0;background:white;border:1px solid #e0e5e2;border-radius:16px;padding:24px}.library-word-top{display:flex;align-items:flex-start;gap:13px}.library-word-top>div{min-width:0;flex:1}.library-word h2{font-size:26px;line-height:1.35;letter-spacing:-.5px;color:#202a24;margin:0 0 7px;overflow-wrap:anywhere}.library-word-translation{font-size:17px;line-height:1.65;color:#6a796f;margin:0;overflow-wrap:anywhere}.library-add-word{font-size:12px;font-weight:600;white-space:nowrap;border:1px solid #e1e5e2;border-radius:8px;padding:8px 10px;background:white;color:#3c654c;flex-shrink:0}.library-add-word:hover{border-color:#89b395;background:#eef6f0}.library-add-word.is-saved{background:#edf5ef;border-color:#e2ede5;color:#4c8860;opacity:1;cursor:default}.library-select-word{padding-top:4px}.library-select-word input,.library-selection-toolbar input{appearance:auto;accent-color:#287b50;min-width:17px;width:17px;height:17px;cursor:pointer;vertical-align:middle}.library-word-example{margin-top:22px;padding:17px 18px;background:#f3f6f3;border-radius:10px}.library-word-example>span{display:block;font-size:9px;letter-spacing:1.1px;font-weight:650;color:#91a096;margin-bottom:6px}.library-word-example p{font-size:16px;line-height:1.65;color:#305e40;margin:0 0 3px;overflow-wrap:anywhere}.library-word-example p:last-child{font-size:14px;color:#8a978d;margin:0}.library-word-topic{display:inline-block;margin-top:17px;font-size:12px;color:#7e9385}.library-word-saved{border-color:#cadcce}.library-topic-summary{display:flex;align-items:center;gap:45px;padding:24px 29px;border:1px solid #e0e9e2;border-radius:15px;background:#edf4ee;margin:0 0 25px}.library-topic-summary>div{display:flex;align-items:center;gap:13px}.library-topic-summary strong{font-size:29px;line-height:1;color:#23683e}.library-topic-summary span{font-size:14px;color:#78907d}.library-topic-summary a{margin-left:auto}.library-selection-toolbar{display:flex;gap:12px;align-items:center;margin:0 0 23px;flex-wrap:wrap}.library-selection-toolbar>label{font-size:14px;display:flex;align-items:center;gap:8px;margin-right:auto;color:#748379}.library-selection-toolbar button{font-size:13px;padding:11px 16px;min-height:46px}.library-more{display:flex;margin:24px auto}.library-about{margin:35px 0 5px;border-top:1px solid #e2e6e3;padding-top:20px;font-size:13px;color:#8a968d}.library-about summary{cursor:pointer;font-size:14px;font-weight:550;color:#6e7c72}.library-about p{max-width:900px;line-height:1.9}.library-about a{color:#35764d;text-decoration:underline}.library-bottom-link{display:flex;justify-content:space-between;margin:30px 0;gap:15px;color:#6c8273;font-size:14px}.vocabulary-card-example{display:flex!important;gap:2px!important;flex-direction:column;max-width:95%;margin:15px auto 0;line-height:1.6}.vocabulary-card-example span:first-child{font-size:18px;color:#4c6c55}.vocabulary-card-example span:last-child{font-size:14px;color:#84958a}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.vocabulary-empty .text-button{display:block;margin:18px auto 0}
@media(max-width:1120px){.library-topic-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.library-topic-card h2{font-size:21px}.library-topic-summary{gap:25px}.library-word-top{flex-wrap:wrap}.library-word-top>div{flex-basis:65%}.library-add-word{margin-left:auto}.library-word h2{font-size:24px}.library-word{padding:21px}.library-filters{gap:18px}.library-filters .level-pills>span{display:none}}
@media(max-width:640px){.vocabulary-section-tabs{width:100%;margin-bottom:22px;gap:3px;padding:5px}.vocabulary-section-tabs a{flex:1;justify-content:center;font-size:13px;padding:10px 8px;gap:7px}.vocabulary-section-tabs a span{min-width:19px;font-size:10px}.library-intro{padding:22px 20px;align-items:flex-start;gap:17px;flex-direction:column;margin-bottom:24px}.library-intro>div{gap:18px}.library-intro strong{font-size:18px}.library-intro p{font-size:13px}.library-intro-mark{font-size:35px}.library-to-study{font-size:13px}.library-shelves{gap:7px;margin-bottom:21px}.library-shelves button{font-size:12px;padding:10px 11px}.library-filters{flex-direction:column;align-items:stretch;gap:15px}.library-filters .level-pills{justify-content:flex-start}.library-filters .level-pills>span{display:inline;font-size:13px;margin-right:auto}.library-search{max-width:none;width:100%;min-height:48px}.library-search input{font-size:14px}.library-filter-note{font-size:13px}.library-topic-grid{grid-template-columns:1fr;gap:13px}.library-topic-card{padding:22px}.library-topic-card h2{font-size:23px}.library-topic-symbol{font-size:34px;margin:17px 0 9px}.library-topic-card>p{margin-bottom:22px}.library-topic-top{font-size:11px}.library-topic-bottom,.library-topic-bottom strong{font-size:12px}.library-word-grid{grid-template-columns:1fr;gap:13px}.library-word{padding:22px 19px}.library-word h2{font-size:26px}.library-word-translation{font-size:17px}.library-word-top>div{flex-basis:60%}.library-word-example{padding:16px;margin-top:18px}.library-word-example p{font-size:16px}.library-topic-summary{padding:20px;gap:18px;flex-wrap:wrap}.library-topic-summary>div{gap:9px}.library-topic-summary strong{font-size:27px}.library-topic-summary span{font-size:12px}.library-topic-summary a{margin:0;width:100%;justify-content:center;font-size:13px}.library-selection-toolbar{gap:10px}.library-selection-toolbar>label{width:100%;font-size:14px;margin-bottom:4px}.library-selection-toolbar button{flex:1;font-size:12px;padding:11px 10px;justify-content:center;white-space:normal}.library-bottom-link{font-size:12px;line-height:1.8}.library-about{font-size:12px}.library-about summary{font-size:13px}.vocabulary-card-example span:first-child{font-size:16px}.vocabulary-card-example span:last-child{font-size:12px}}
@media(prefers-reduced-motion:reduce){.library-topic-card{transition:none}.library-topic-card:hover{transform:none}}