html,body{margin:0;padding:0;height:100%}body{background:#0f172a;color:#fff;font-family:system-ui,-apple-system,BlinkMacSystemFont,sans-serif}#root{min-height:100vh;display:flex;flex-direction:column;justify-content:center;align-items:center;padding:16px;box-sizing:border-box}h1{font-size:4rem;margin-top:-50px;text-align:center}.card-content{flex:1;display:flex;flex-direction:column}.game-card{background:#1e293b;width:100%;max-width:480px;padding:24px;border-radius:16px;box-shadow:0 8px 30px #0006;box-sizing:border-box;display:flex;flex-direction:column}.game-card h2{font-size:20px}.game-card h3{margin:16px 0 6px;font-size:18px}.options-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin:16px 0}.score{display:flex;align-items:center;justify-content:space-between}.score p{font-size:20px}.option-btn{padding:12px;border-radius:10px;background:#334155;color:#fff;border:1px solid #475569;cursor:pointer;transition:.15s ease;font-size:15px}.option-btn:hover{background:#475569}.option-btn.correct{background:#16a34a!important;border-color:#16a34a!important}.option-btn.wrong{background:#b91c1c!important;border-color:#b91c1c!important}.option-btn:disabled{cursor:default;opacity:.9}.next-btn{padding:10px 20px;margin-top:10px;border-radius:999px;border:none;font-size:15px;color:#fff;background:#3b82f6;cursor:pointer;min-width:100%;transition:.15s ease}.next-btn:hover{background:#2563eb}.feedback-container{display:flex;flex-direction:column;min-width:100%}.feedback{font-size:28px;word-wrap:break-word;margin-top:0!important}@media(max-width:480px){.game-card{padding:18px;border-radius:12px}.options-grid{grid-template-columns:1fr}h1{font-size:3rem}}