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2px;font-size:clamp(7px,2.6vw,10px)}.pronounce-btn{width:24px;min-width:24px;height:24px;min-height:24px;padding:0;font-size:10px}.toolbar{flex-direction:column;align-items:stretch;gap:4px;padding:6px;display:flex;overflow:visible}.tb-row{flex-wrap:wrap;align-items:center;gap:4px;width:100%;display:flex}.tb-inline-field-search{flex:100%;grid-template-columns:auto 1fr;width:100%}.tb-row-secondary{flex-wrap:wrap;display:flex}.tb-row-secondary .tb-group-font,.tb-row-secondary .tb-group-export{grid-column:1/-1;width:100%}.tb-row-secondary .tb-group-font{grid-template-columns:minmax(72px,1fr) auto minmax(72px,1fr);display:grid}.tb-row-secondary .tb-group-export{grid-template-columns:1fr}.tb-row-secondary .tb-group-export .tb-btn{width:100%}.tb-search-input{width:100%;min-width:0;max-width:none}.tb-row-search{padding-top:5px}.tb-btn,.tb-select,.tb-input{height:28px;font-size:10px}.tb-label{font-size:10px}}[data-theme=black] .word-learning-page{background:#000}[data-theme=black] .word-learning-page:before{opacity:.12;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%)}[data-theme=black] .letter-divider{background:linear-gradient(90deg,#0000 0%,#667eea33 50%,#0000 100%)}[data-theme=black] .letter-label{background-color:#1a1a1a;box-shadow:0 4px 12px #667eea4d}[data-theme=black] .letter-index{background:var(--theme-card-bg,#1a1a1a);border-color:#667eea4d;box-shadow:0 8px 24px #00000080}[data-theme=black] .letter-index-item{color:var(--theme-text-secondary,#e0e0e0);background:linear-gradient(135deg,#2d2d2d 0%,#404040 100%)}[data-theme=black] .letter-index-item:hover{color:#fff;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%)}[data-theme=black] .letter-index-item:disabled,[data-theme=black] .letter-index-item.letter-index-item--muted{opacity:.35;background:0 0}[data-theme=black] .word-item{background:var(--theme-card-bg,#1a1a1a);border-color:#667eea4d;box-shadow:0 4px 12px #0000004d}[data-theme=black] .word-learning-login-guard{background:var(--theme-card-bg,#1a1a1a);border-color:#667eea59;box-shadow:0 12px 30px #00000059}[data-theme=black] .word-learning-login-guard h2{color:var(--theme-text-primary,#fff)}[data-theme=black] .word-learning-login-guard p{color:var(--theme-text-tertiary,#b0b0b0)}[data-theme=black] .word-item:hover{border-color:#667eea80;box-shadow:0 12px 32px #667eea66}[data-theme=black] .word-translation{color:var(--theme-text-secondary,#e0e0e0)}[data-theme=black] .word-meta{color:var(--theme-text-tertiary,#b0b0b0);border-top-color:#667eea4d}[data-theme=black] .word-phonetic{color:var(--theme-text-tertiary,#b0b0b0);background:linear-gradient(135deg,#2d2d2d 0%,#404040 100%)}[data-theme=black] .word-phonetic-inline{color:var(--theme-text-tertiary,#b0b0b0);background:linear-gradient(135deg,#667eea26 0%,#764ba226 100%);border-left-color:#667eea80}[data-theme=black] .word-details{background:linear-gradient(135deg,#2d2d2d 0%,#1a1a1a 100%);border-top-color:#667eea4d}[data-theme=black] .loading-translations,[data-theme=black] .no-translations{color:var(--theme-text-tertiary,#b0b0b0)}[data-theme=black] .detail-item{background:var(--theme-card-bg,#1a1a1a);border-left-color:#667eea}[data-theme=black] .detail-item strong{color:var(--theme-text-primary,#fff)}[data-theme=black] .translations-list li,[data-theme=black] .definitions-list li,[data-theme=black] .examples-list li{color:var(--theme-text-secondary,#e0e0e0)}[data-theme=black] .translation-source{color:var(--theme-text-tertiary,#b0b0b0)}[data-theme=black] .example-item{color:var(--theme-text-secondary,#e0e0e0);background:#667eea26}[data-theme=black] .vocab-example-bundle{background:linear-gradient(145deg,#2a2a2a 0%,#252030 55%,#1f2435 100%);border-color:#667eea59;box-shadow:0 4px 18px #00000059}[data-theme=black] .vocab-example-bundle-header{border-bottom-color:#667eea40}[data-theme=black] .vocab-example-bundle-title{color:var(--theme-text-primary,#fff)}[data-theme=black] .vocab-example-gloss-block,[data-theme=black] .vocab-example-sentence{background:#1e1e1ef2;border-color:#667eea40}[data-theme=black] .vocab-example-gloss-block p,[data-theme=black] .vocab-example-sentence p{color:var(--theme-text-secondary,#e0e0e0)}[data-theme=black] .example-pronounce-btn{color:var(--theme-text-secondary,#e0e0e0);background:linear-gradient(135deg,#2d2d2d 0%,#404040 100%);border-color:#667eea59;box-shadow:0 3px 9px #00000073}[data-theme=black] .example-pronounce-btn:hover{color:#fff;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);box-shadow:0 10px 18px #667eea73}[data-theme=black] .example-pronounce-btn.is-playing,[data-theme=black] .example-pronounce-btn:disabled{color:#fff;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%)}[data-theme=black] .vocab-example-label{color:#a3bffa}[data-theme=black] .vocab-example-meta{color:var(--theme-text-tertiary,#b0b0b0)}[data-theme=black] .vocab-example-pos{color:#e9d5ff;background:#667eea40}[data-theme=black] .word-sources{background:linear-gradient(135deg,#2d2d2d 0%,#1a1a1a 100%);border-top-color:#52c41a4d}[data-theme=black] .loading-sources,[data-theme=black] .no-sources{color:var(--theme-text-tertiary,#b0b0b0)}[data-theme=black] .sources-header{color:var(--theme-text-primary,#fff);border-bottom-color:#52c41a4d}[data-theme=black] .source-item{background:var(--theme-card-bg,#1a1a1a);border-color:#667eea4d}[data-theme=black] .source-item:hover{background:linear-gradient(135deg,#2d2d2d 0%,#404040 100%);border-color:#667eea}[data-theme=black] .source-test{color:var(--theme-text-secondary,#e0e0e0)}[data-theme=black] .source-question{color:var(--theme-text-tertiary,#b0b0b0)}[data-theme=black] .sort-options-bottom{color:var(--theme-text-primary,#fff);background:linear-gradient(135deg,#1a1a1a 0%,#2d2d2d 100%);border-color:#667eea4d}[data-theme=black] .sort-options-bottom label{color:var(--theme-text-primary,#fff)}[data-theme=black] .sort-select{background:var(--theme-card-bg,#1a1a1a);color:var(--theme-text-primary,#fff);border-color:#667eea4d}[data-theme=black] .sort-select:hover{border-color:#667eea}[data-theme=black] .pagination{background:linear-gradient(135deg,#1a1a1a 0%,#2d2d2d 100%);border-color:#667eea4d}[data-theme=black] .page-info{color:var(--theme-text-primary,#fff);background:linear-gradient(135deg,#2d2d2d 0%,#404040 100%);border-color:#667eea4d}[data-theme=black] .page-jump{color:var(--theme-text-primary,#fff);background:linear-gradient(135deg,#1a1a1a 0%,#2d2d2d 100%);border-color:#667eea4d}[data-theme=black] .page-input{background:var(--theme-card-bg,#1a1a1a);color:var(--theme-text-primary,#fff);border-color:#667eea4d}[data-theme=black] .page-input:focus{border-color:#667eea}[data-theme=black] .loading-message{color:var(--theme-text-secondary,#e0e0e0);background:linear-gradient(135deg,#1a1a1a 0%,#2d2d2d 100%);border-color:#667eea4d}[data-theme=black] .translation-toggle-btn{color:var(--theme-text-primary,#fff);background:linear-gradient(135deg,#1a1a1a 0%,#2d2d2d 100%);border-color:#667eea4d}[data-theme=black] .translation-toggle-btn:hover,[data-theme=black] .translation-toggle-btn.active{color:#fff;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);border-color:#667eea}[data-theme=black] .font-size-controls{background:linear-gradient(135deg,#1a1a1a 0%,#2d2d2d 100%);border-color:#667eea4d}[data-theme=black] .font-size-display{color:var(--theme-text-primary,#fff)}[data-theme=black] .pronounce-btn,[data-theme=black] .favorite-btn,[data-theme=black] .source-btn,[data-theme=black] .word-delete-btn,[data-theme=black] .ask-ai-btn,[data-theme=black] .more-translations-btn{color:var(--theme-text-secondary,#e0e0e0);background:linear-gradient(135deg,#2d2d2d 0%,#404040 100%)}[data-theme=black] .pronounce-btn:hover,[data-theme=black] .source-btn:hover,[data-theme=black] .ask-ai-btn:hover,[data-theme=black] .more-translations-btn:hover{color:#fff;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%)}[data-theme=black] .favorite-btn:hover,[data-theme=black] .favorite-btn.favorited{color:#fff;background:linear-gradient(135deg,#ffa940 0%,#ff8c00 100%)}[data-theme=black] .source-btn{background:linear-gradient(135deg,#2d2d2d 0%,#404040 100%)}[data-theme=black] .source-btn:hover{color:#fff;background:linear-gradient(135deg,#52c41a 0%,#389e0d 100%)}[data-theme=black] .wordbook-btn,[data-theme=black] .toolbar,[data-theme=black] .tb-select,[data-theme=black] .tb-input,[data-theme=black] .loading-message,[data-theme=black] .recycle-bin-panel,[data-theme=black] .recycle-bin-item,[data-theme=black] .source-item,[data-theme=black] .detail-item{color:var(--theme-text-secondary,#e0e0e0);background:#121212;border-color:#2c2c2c}[data-theme=black] .wordbook-btn-name,[data-theme=black] .tb-label,[data-theme=black] .recycle-word,[data-theme=black] .sources-header,[data-theme=black] .detail-item strong{color:var(--theme-text-primary,#fff)}[data-theme=black] .wordbook-btn-desc,[data-theme=black] .recycle-translation,[data-theme=black] .recycle-time,[data-theme=black] .source-question,[data-theme=black] .source-test{color:var(--theme-text-tertiary,#b0b0b0)}[data-theme=black] .tb-row-search,[data-theme=black] .tb-row-primary{border-color:#252525}[data-theme=black] .tb-search-input::placeholder{color:#7a7a7a}[data-theme=black] .tb-btn{color:var(--theme-text-secondary,#e0e0e0);background:#1a1a1a;border-color:#2f2f2f}[data-theme=black] .tb-btn:hover:not(:disabled),[data-theme=black] .tb-btn.active{color:#fff;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);border-color:#667eea}[data-theme=black] .tb-select,[data-theme=black] .tb-input{color:var(--theme-text-primary,#fff);background:#171717}[data-theme=black] .tb-select option{color:#f0f0f0;background:#151515}[data-theme=black] .wordbook-btn.wordbook-btn-upload,[data-theme=black] .wordbook-btn.wordbook-btn-custom{background:#0f0f0f}[data-theme=black] .wordbook-btn.wordbook-btn-upload:hover,[data-theme=black] .wordbook-btn.wordbook-btn-custom:hover{background:#1a1a1a}[data-theme=black] .wordbook-append-row{background:#667eea1f;border-color:#333}[data-theme=black] .wordbook-append-row__label{color:var(--theme-text-secondary,#c4c4c4)}[data-theme=black] .wordbook-append-row__close{color:#a0a0a0;background:#1a1a1a;border-color:#333}[data-theme=black] .wordbook-append-row__close:hover{color:#e0e0e0;background:#252525}[data-theme=black] .wordbook-custom-hover-wrap--can-append{background:#141414a6;border-color:#3d3d3d}[data-theme=black] .wordbook-custom-hover-wrap--can-append>.wordbook-btn.wordbook-btn-custom{background:#141414;border-color:#333}[data-theme=black] .wordbook-custom-hover-wrap--can-append>.wordbook-btn.wordbook-btn-custom:hover{background:#1c1c1c;border-color:#764ba2}