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var(--gray-300)}._reviewCorrect_kifgh_478{border-left-color:var(--green)}._reviewWrong_kifgh_479{border-left-color:var(--red)}._reviewHeader_kifgh_481{display:flex;justify-content:space-between;margin-bottom:12px;font-size:13px;font-weight:600}._reviewOptions_kifgh_489{display:flex;flex-direction:column;gap:8px;margin:16px 0}._reviewOpt_kifgh_489{display:flex;align-items:center;gap:12px;padding:10px 14px;border-radius:var(--radius);background:var(--gray-50);font-size:14px;border:1.5px solid transparent}._reviewOptCorrect_kifgh_507{background:var(--green-light);border-color:#0596694d;color:var(--green-dark)}._reviewOptWrong_kifgh_513{background:var(--red-light);border-color:#dc262633;color:var(--red)}._tag_kifgh_519{margin-left:auto;font-size:11px;font-weight:600}._explanation_kifgh_525{background:var(--gold-light);border:1px solid rgba(245,158,11,.3);border-radius:var(--radius);padding:14px 16px;font-size:13px;color:var(--gold-dark);line-height:1.6;white-space:pre-line}@media 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rgba(0,0,0,.06);--shadow-md: 0 4px 6px rgba(0,0,0,.07), 0 2px 4px rgba(0,0,0,.05);--shadow-lg: 0 10px 25px rgba(0,0,0,.1), 0 4px 10px rgba(0,0,0,.05);--shadow-xl: 0 20px 40px rgba(0,0,0,.12), 0 8px 16px rgba(0,0,0,.06);--radius-sm: 6px;--radius: 10px;--radius-lg: 16px;--radius-xl: 24px;--font-sans: "DM Sans", -apple-system, BlinkMacSystemFont, sans-serif;--font-serif: "Playfair Display", Georgia, serif;--nav-h: 64px;--transition: all .2s ease}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-sans);background:var(--gray-50);color:var(--gray-800);min-height:100vh;line-height:1.5}button{font-family:var(--font-sans);cursor:pointer;border:none;background:none;outline:none}button:focus-visible{outline:2px solid var(--teal);outline-offset:2px}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:var(--gray-100)}::-webkit-scrollbar-thumb{background:var(--gray-300);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--gray-400)}.hidden{display:none!important}.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}