:root{--bg:#0b0c0f;--bg-soft:#101218;--bg-elevated:#16181f;--bg-elevated-2:#1d2029;--border:#272a33;--border-strong:#363a45;--text:#f4f5f7;--text-dim:#9aa0ad;--text-faint:#6c7280;--accent:#34c77b;--accent-strong:#28b06c;--accent-ink:#06160e;--correct:#2faa6b;--correct-2:#38c47b;--close:#c6a728;--close-2:#d9b933;--close-ink:#1a1500;--wrong:#343843;--wrong-2:#3c4150;--radius:16px;--radius-sm:12px;--radius-lg:22px;--maxw:600px;--shadow-sm:0 1px 2px rgba(0,0,0,.3);--shadow-md:0 8px 24px rgba(0,0,0,.4);--shadow-lg:0 18px 50px rgba(0,0,0,.55);--ring:0 0 0 3px rgba(52,199,123,.35);--ease:cubic-bezier(0.22,1,0.36,1)}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}body{min-height:100vh;background-image:radial-gradient(1100px 520px at 50% -260px,rgba(52,199,123,.1),transparent 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