body{margin:0;padding:0;font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;background:#f0f4f8;color:#333}.container{max-width:600px;margin:100px auto;background:#fff;padding:30px;border-radius:10px;box-shadow:0 4px 12px #0000001a}h1,h2{text-align:center;margin-bottom:20px}.question{font-size:1.2em;margin-bottom:20px}.option{display:block;width:100%;padding:12px;margin:8px 0;border:2px solid transparent;border-radius:6px;background:#e7ecf0;cursor:pointer;text-align:left;transition:background .3s,border .3s}.option:hover{background:#d6dde5}.option.selected{background:#e2e8f0;border:2px solid oklch(55.4% .046 257.417);color:#314158}.nav-buttons{display:flex;justify-content:space-between;margin-top:20px}.nav-buttons button{padding:10px 20px;border:none;background:#42a5f5;color:#fff;border-radius:6px;cursor:pointer;font-size:1em;transition:background .3s}.nav-buttons button:hover{background:#1e88e5}.nav-buttons button:disabled{background:#a0c4e3;cursor:not-allowed}.result-button{display:block;padding:10px 20px;border:none;background:#62748e;color:#fff;border-radius:6px;cursor:pointer;font-size:1em;transition:background .3s}.result-button:hover{background:#1e88e5}.score{font-size:1.4em;text-align:center;margin:20px 0}.correct-answer{color:#00b9a6;color:oklch(70.4% .14 182.503)}.incorrect-answer{color:#ff2357;color:oklch(64.5% .246 16.439)}p.result{text-align:center;margin:40px}.resultButtonsContainer{display:flex;justify-content:center;gap:20px}
