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var(--line);border-radius:50%;background:var(--surface);color:var(--blue);cursor:pointer;flex-shrink:0}.speak-btn:active{transform:scale(.9);background:var(--blue-wash)}.speak-btn svg{width:56%;height:56%}.flashcard .speak-btn{margin:4px auto}.lc-card{display:flex;flex-direction:column;gap:10px}.lc-top{display:flex;align-items:baseline;gap:8px;flex-wrap:wrap}.lc-big{font-size:30px;font-weight:900;color:var(--brand);letter-spacing:-.02em}.lc-cap{font-size:12.5px;font-weight:700;color:var(--hint)}.lc-chips{display:grid;grid-template-columns:repeat(6,1fr);gap:6px}.lc-chip{position:relative;overflow:hidden;display:flex;flex-direction:column;align-items:center;gap:2px;padding:8px 2px;border-radius:12px;background:var(--surface-2);border:1.5px solid var(--line)}.lc-fill{position:absolute;left:0;right:0;bottom:0;background:color-mix(in srgb,var(--brand) 30%,transparent);transition:height .4s cubic-bezier(.2,.7,.2,1);z-index:0}.lc-chip b,.lc-chip span{position:relative;z-index:1}.lc-chip b{font-size:18px;line-height:1;filter:grayscale(.6) opacity(.55)}.lc-chip span{font-size:10px;font-weight:800;color:var(--hint)}.lc-chip.part b{filter:none}.lc-chip.part span{color:var(--green-ink)}.lc-chip.on{background:var(--green-wash);border-color:var(--brand)}.lc-chip.on .lc-fill{background:color-mix(in srgb,var(--brand) 22%,transparent);height:100%!important}.lc-chip.on b{filter:none}.lc-chip.on span{color:var(--green-ink)}