:root{color:var(--text);background:var(--page-background);--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;--page-background:#f6f8fc;--text:#24334c;--muted:#65748b;--brand-text:#26364f;--surface:#fff;--surface-raised:#f8faff;--border:#e0e7f3;--divider:#e5eaf3;--control-border:#dfe5f1;--control-text:#475772;--soft-background:#edf0f7;--blue:#3764de;--accent:#3764de;--accent-background:#edf2ff;--accent-border:#ccdafc;--focus:#97b5ff;--input-border:#c4d2f4;--input-focus:#6289ed;--focus-shadow:#3764de14;--placeholder:#a8badf;--operator:#9eabc0;--button-text:#fff;--button-hover:#2952c3;--button-disabled:#6e8fe3;--success-text:#207350;--success-border:#66b592;--success-background:#f0faf5;--success-icon:#3c9c72;--success-soft-background:#eef8f2;--wrong-text:#9b541c;--wrong-input-text:#a05722;--wrong-border:#dd9b64;--wrong-background:#fff8f1;--wrong-history-text:#a86131;--wrong-decoration:#e3b693;--wrong-hover:#fffaf5;--wrong-hover-border:#ecd7c1;--keycap-border:#dfe5ef;--keycap-text:#5d6d85;--keycap-background:#fafbfe;--stat-border:#e3e8f1;--stat-label:#5c6a80;--blue-dot:#6486e4;--green-dot:#49a87a;--orange-dot:#db9e67;--accuracy-text:#3b795e;--accuracy-track:#e7ecf4;--accuracy-fill:#55ad86;--heart:#8d9db9;--footer-dot:#b4c0d1;--history-divider:#edf0f6;--history-equals:#9aa7bb;--history-correct:#247950;--secondary-background:#f6f8fc;--secondary-text:#445874;--secondary-hover:#edf2fc;--notice-background:#fff3df;--notice-border:#f0d9b0;--notice-text:#825624;--card-shadow:#33476605;--brand-shadow:#dc30471a;--dialog-shadow:#24334c33;--dialog-backdrop:#17233d66;font-family:Trebuchet MS,Segoe UI,Arial,sans-serif}:root[data-theme=dark]{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--page-background:#101724;--text:#e5edf9;--muted:#a7b5ca;--brand-text:#e5edf9;--surface:#192335;--surface-raised:#202d43;--border:#31405b;--divider:#2b3850;--control-border:#3b4b66;--control-text:#c8d5e8;--soft-background:#25324a;--blue:#456dde;--accent:#93b2ff;--accent-background:#273858;--accent-border:#4a66a5;--focus:#9abaff;--input-border:#587097;--input-focus:#9abaff;--focus-shadow:#8eadff2e;--placeholder:#96a9c5;--operator:#8da0bd;--button-hover:#3b60cd;--button-disabled:#3c507f;--success-text:#86dfb1;--success-border:#438466;--success-background:#18352d;--success-icon:#86dfb1;--success-soft-background:#203b32;--wrong-text:#f1b27d;--wrong-input-text:#f1b27d;--wrong-border:#986844;--wrong-background:#3b2c23;--wrong-history-text:#f1b27d;--wrong-decoration:#b78055;--wrong-hover:#302a29;--wrong-hover-border:#7b5b43;--keycap-border:#455471;--keycap-text:#c1cee3;--keycap-background:#202d43;--stat-border:#31405b;--stat-label:#b6c4d9;--blue-dot:#8eaaff;--green-dot:#6fcca1;--orange-dot:#e2a574;--accuracy-text:#86dfb1;--accuracy-track:#29374f;--accuracy-fill:#70c99e;--heart:#a7b5ca;--footer-dot:#647691;--history-divider:#2d3b55;--history-equals:#8da0bd;--history-correct:#86dfb1;--secondary-background:#202d43;--secondary-text:#d2def0;--secondary-hover:#2a3b56;--notice-background:#3a2e1d;--notice-border:#816332;--notice-text:#e4c08a;--card-shadow:#00000024;--brand-shadow:#dc304726;--dialog-shadow:#00000070;--dialog-backdrop:#050a13b3}*{box-sizing:border-box}body{min-width:320px;margin:0}button,input{font:inherit}button,a,label{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:default}button,a,input,label{touch-action:manipulation}button,a{transition:background-color 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