body {
    margin: 0;
    padding: 0;
    font-family: 'Poppins', sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background: radial-gradient(circle, #141e30, #243b55);
    color: white;
    overflow: hidden;
}

.main-container {
    text-align: center;
    background: rgba(0, 0, 0, 0.8);
    padding: 20px;
    border-radius: 15px;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.5);
}

h1 {
    font-size: 2.5rem;
    color: #ffcc00;
}

.subtitle {
    font-size: 1rem;
    color: #d9d9d9;
    margin-bottom: 20px;
}

/* স্কোর কন্টেইনার */
.score-container {
    margin: 10px 0;
    font-size: 1.2rem;
    background: rgba(255, 255, 255, 0.1);
    padding: 10px;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.result-container {
    margin-top: 20px;
    font-size: 1.1rem;
    background: rgba(255, 255, 255, 0.1);
    padding: 15px;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.restart-btn {
    margin-top: 20px;
    padding: 10px 20px;
    font-size: 1rem;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    background: linear-gradient(45deg, #6a11cb, #2575fc);
    color: #fff;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
}

.restart-btn:hover {
    transform: scale(1.1);
    background: linear-gradient(45deg, #2575fc, #6a11cb);
}