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(max-width:480px){.hscroll-btn--left{left:4px}.hscroll-btn--right{right:4px}}.flashcards-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}.flashcard{background-color:transparent;height:200px;perspective:1000px;cursor:pointer}.flashcard-inner{position:relative;width:100%;height:100%;transition:transform .6s;transform-style:preserve-3d}.flashcard-inner.is-flipped,.flashcard.flipped .flashcard-inner{transform:rotateY(180deg)}.flashcard-back,.flashcard-front{position:absolute;width:100%;height:100%;backface-visibility:hidden;display:flex;align-items:center;justify-content:center;text-align:center;padding:1rem;border-radius:12px;border:1px solid var(--border-color);box-shadow:var(--shadow)}.flashcard-front{background-color:var(--surface-color)}.flashcard-back{background-color:var(--primary-color);color:var(--primary-text-color);transform:rotateY(180deg)}html.dark .flashcard-back{color:#ffffff!important}.flashcards-grid{gap:1.5rem}@media (min-width:1024px){.flashcards-grid{gap:1.75rem}}#flashcardsGrid{margin-bottom:5rem}.flashcard{position:relative;z-index:1}@media (max-width:640px){.flashcard{perspective:1000px;overflow:hidden;-webkit-transform:translateZ(0);transform:translateZ(0)}.flashcard-inner{position:relative;width:100%;height:100%;transition:transform .6s;transform-style:preserve-3d;-webkit-transform-style:preserve-3d;will-change:transform}.flashcard-inner.is-flipped{-webkit-transform:rotateY(180deg);transform:rotateY(180deg)}.flashcard-back,.flashcard-front{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;text-align:center;width:100%;height:100%;backface-visibility:hidden;-webkit-backface-visibility:hidden;overflow:hidden;-webkit-transform:translateZ(0);transform:translateZ(0)}.flashcard-back{-webkit-transform:rotateY(180deg);transform:rotateY(180deg)}}.flashcard-back p,.flashcard-desc,.flashcard-front p{line-height:var(--desc-lh,1.45em);max-height:calc((var(--lines, 3)) * 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ease}.search-wrapper:before{content:"🔍";position:absolute;left:1rem;top:50%;transform:translateY(-50%);font-size:1.2rem;opacity:.5;transition:opacity .3s ease}.search-wrapper:focus-within{box-shadow:0 0 0 4px var(--ring-color);border-radius:12px}.search-wrapper:focus-within:before{opacity:1}.search-wrapper input[type=text]:focus{border-color:var(--primary-color);background-color:var(--bg-color)}.search-wrapper input[type=text]::placeholder{color:var(--muted-color);opacity:1}.search-result{background-color:var(--surface-color);border:1px solid var(--border-color);border-radius:12px;padding:1.5rem;min-height:100px;display:flex;flex-direction:column}.search-item{border-bottom:1px solid var(--border-color);transition:background-color .2s ease;cursor:pointer;margin:0 -1.5rem;padding:1rem 1.5rem}.search-item:hover{background-color:color-mix(in oklab,var(--surface-color),#888 6%)}html.dark .search-item:hover{background-color:color-mix(in oklab,var(--surface-color),#fff 6%)}.dictionary-results 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var(--border-color);padding-top:env(safe-area-inset-top,0);padding-bottom:env(safe-area-inset-bottom,0)}.search-overlay-head{display:flex;gap:.5rem;align-items:center;padding:.75rem;border-bottom:1px solid var(--border-color)}.search-overlay-input{flex:1;padding:.75rem .9rem;border:1px solid var(--border-color);border-radius:10px;background:var(--surface-color);color:var(--text-color)}.search-overlay-body{padding:1rem;overflow:auto}.search-overlay-foot{border-top:1px solid var(--border-color);padding:.75rem;display:flex;justify-content:flex-end}@media (max-width:640px){.search-overlay{display:grid;place-items:center}.search-overlay-panel{height:auto;max-width:420px;width:92vw;margin:3vw auto;border-left:none;border-right:none;border-radius:12px;box-shadow:var(--shadow,0 4px 32px rgba(0,0,0,.13));grid-template-rows:auto 1fr auto;overflow:hidden}.search-overlay-head{padding:6px;display:flex;align-items:center;gap:6px;border-bottom:1px solid var(--border-color)}.search-overlay-input{width:100%;height:40px;padding:0 10px;font-size:15px;line-height:1;border-radius:10px;background:var(--bg-color,var(--surface-color));color:var(--text-color);border:1px solid var(--border-color)}.search-overlay-close{display:flex;align-items:center;justify-content:center;width:40px;height:40px;padding:0;background:none;border:none;color:var(--text-color)}.search-overlay-close svg{width:20px;height:20px}.search-overlay-body{padding:0;max-height:60vh;overflow-y:auto}.search-overlay-foot{padding:8px;border-top:1px solid var(--border-color)}.search-overlay-foot .btn{width:100%;font-size:15px;padding:8px}}@media (min-width:641px) and (max-width:991px){.search-overlay{display:grid;place-items:center}.search-overlay-panel{height:auto;max-width:560px;width:94vw;margin:3vw auto;border-left:none;border-right:none;border-radius:12px;box-shadow:var(--shadow,0 6px 36px 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svg{width:20px;height:20px}}.overlay-open{overflow:hidden;height:100dvh}.legacy-search-desktop{display:none!important}@media (max-width:991px){.legacy-search-mobile{display:none!important}}.search-overlay-backdrop{z-index:0}.search-overlay-panel{z-index:1;position:relative}