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transparent);box-sizing:border-box;width:100%;max-width:860px;min-height:58px;color:var(--theme-text-primary);font:inherit;text-align:left;border-radius:16px;align-items:center;gap:13px;padding:12px 15px;transition:transform .18s cubic-bezier(.22,1,.36,1),border-color .18s,background-color .18s,box-shadow .18s;display:flex;box-shadow:0 1px #ffffff8c,0 6px 18px #0f172a0b}.option-item:hover{border-color:color-mix(in srgb, var(--practice-blue,var(--theme-accent)) 44%, var(--practice-border,var(--theme-border)) 56%);box-shadow:var(--practice-shadow-sm,var(--shadow-sm));background:color-mix(in srgb, var(--theme-card-bg) 88%, var(--theme-bg-secondary) 12%);transform:translateY(-1px)}.option-item:focus-visible{outline:3px solid color-mix(in srgb, var(--practice-blue,var(--theme-accent)) 28%, transparent);outline-offset:3px}.option-marker{border:1px solid 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.option-marker{color:#fff;border-color:var(--practice-blue,var(--theme-accent));background:var(--practice-blue,var(--theme-accent));transform:scale(1.04)}.option-item.correct-answer{border-color:var(--practice-green,#34c759);background:color-mix(in srgb, var(--practice-green,#34c759) 11%, var(--theme-card-bg) 89%);color:var(--practice-green,#34c759);font-weight:700}.option-item.correct-answer .option-marker{color:#fff;border-color:var(--practice-green,#34c759);background:var(--practice-green,#34c759)}.option-item.incorrect-answer{border-color:var(--practice-red,#ff3b30);background:color-mix(in srgb, var(--practice-red,#ff3b30) 10%, var(--theme-card-bg) 90%);color:var(--practice-red,#ff3b30);font-weight:700}.option-item.incorrect-answer 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