*{box-sizing:border-box;margin:0;padding:0}body{font-family:system-ui,Arial,sans-serif;background-color:#f4f6f9;color:#1f2937}.app-container{min-height:100vh;display:flex;flex-direction:column}.app-header{background-color:#0055a4;color:#fff;padding:1.5rem 1rem;text-align:center}.app-header h1{font-size:1.6rem;margin-bottom:1rem}.game-selector{display:flex;justify-content:center;gap:.75rem}.game-selector button{background-color:#fff;color:#0055a4;border:none;padding:.5rem 1.2rem;font-weight:600;border-radius:999px;cursor:pointer;transition:all .2s ease}.game-selector button.active{background-color:#ffd200;color:#0055a4}.game-selector button:hover{opacity:.9}.app-content{flex:1;padding:2rem 1rem;display:flex;justify-content:center}.app-content section{background-color:#fff;max-width:420px;width:100%;padding:2rem;border-radius:12px;box-shadow:0 8px 20px #00000014;text-align:center}.app-content h2{color:#0055a4;margin-bottom:.5rem}.app-content p{font-size:.95rem;color:#4b5563;margin-bottom:1.5rem}.generate-btn{background-color:#0055a4;color:#fff;border:none;padding:.75rem 1.5rem;font-size:1rem;font-weight:600;border-radius:8px;cursor:pointer;transition:background-color .2s ease}.generate-btn:hover{background-color:#003f7d}.app-footer{text-align:center;padding:.75rem;font-size:.75rem;color:#6b7280}@media(min-width:640px){.app-header h1{font-size:2rem}}.numbers-container{display:flex;flex-direction:column;align-items:center;gap:.75rem;margin-bottom:1.5rem}.main-numbers{display:flex;justify-content:center;flex-wrap:wrap;gap:.75rem}.extra-numbers{display:flex;justify-content:center;gap:.75rem}.ball{width:44px;height:44px;border-radius:50%;background-color:#0055a4;color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.95rem}.extra-ball{background-color:#ffd200;color:#0055a4}