:root{--primary:#4f46e5;--primary-hover:#4338ca;--bg-color:#f8fafc;--surface:#fff;--text-main:#0f172a;--text-muted:#64748b;--border:#e2e8f0;--success:#10b981;--error:#ef4444;--ring:#4f46e580;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;color:var(--text-main);background-color:var(--bg-color);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:Inter,system-ui,Avenir,Helvetica,Arial,sans-serif;font-weight:400;line-height:1.5}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial;--primary:#6366f1;--primary-hover:#818cf8;--bg-color:#0f172a;--surface:#1e293b;--text-main:#f8fafc;--text-muted:#94a3b8;--border:#334155}}body{place-items:center;min-width:320px;min-height:100vh;margin:0;display:flex}#root{width:100%;max-width:1400px;margin:0 auto;padding:2rem}*{box-sizing:border-box}button{background-color:var(--primary);color:#fff;cursor:pointer;border:1px solid #0000;border-radius:8px;padding:.6em 1.2em;font-family:inherit;font-size:1em;font-weight:500;transition:background-color .25s,transform .1s}button:hover{background-color:var(--primary-hover)}button:active{transform:scale(.98)}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color;box-shadow:0 0 0 4px var(--ring)}button:disabled{opacity:.5;cursor:not-allowed}h1,h2,h3{color:var(--text-main);margin-top:0}.glass-panel{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:2rem;box-shadow:0 10px 15px -3px #0000001a,0 4px 6px -2px #0000000d}.app-container{flex-direction:column;align-items:center;gap:2rem;display:flex}.d2-char-btn{cursor:pointer;color:var(--text-main);background:0 0;border:1px solid #0000;border-radius:4px;flex-direction:column;justify-content:center;align-items:center;min-width:14px;min-height:32px;padding:1px 2px;font-family:Courier New,Courier,monospace;font-size:16px;line-height:1;transition:all .1s;display:inline-flex;position:relative}.d2-char-btn:hover:not(:disabled){background:#6464641a;transform:none}.d2-char-btn:active{transform:none}.d2-char-btn.crossed{color:var(--text-muted)}.d2-char-btn.crossed:after{content:"";background-color:var(--error);height:2px;position:absolute;top:50%;left:0;right:0;transform:translateY(-50%)rotate(-45deg)}.marks-container{gap:1px;height:6px;display:flex}.mark-dash{background-color:currentColor;border-radius:1px;width:2px;height:6px}.char-letter{margin:2px 0;font-weight:700}.test-grid{flex-direction:column;align-items:center;gap:2px;width:100%;padding-bottom:10px;display:flex;overflow-x:hidden}.test-row{opacity:.4;pointer-events:none;border-radius:4px;align-items:center;gap:1px;padding:2px 4px;transition:opacity .3s;display:flex}.test-row.active{opacity:1;pointer-events:auto;border:1px solid var(--border);background:#4f46e50d}.test-row.completed{opacity:.6}.timer-bar-container{background:var(--border);border-radius:3px;width:100%;height:6px;margin-bottom:1rem;overflow:hidden}.timer-bar{background:var(--primary);height:100%;transition:width 1s linear}.results-grid{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem;margin-top:2rem;display:grid}.result-card{background:var(--bg-color);border:1px solid var(--border);text-align:center;border-radius:12px;padding:1.5rem}.result-value{color:var(--primary);margin-top:.5rem;font-size:2.5rem;font-weight:700}