body {
    font-family: 'Arial', sans-serif;
    background-color: #f0f2f5;
    color: #333;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
}

.container {
    background-color: #fff;
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    text-align: center;
    width: 90%;
    max-width: 500px;
}

h1 {
    color: #4A90E2;
    margin-bottom: 1.5rem;
}

#generate-btn {
    background-color: #4A90E2;
    color: white;
    border: none;
    padding: 0.8rem 1.5rem;
    font-size: 1rem;
    border-radius: 0.5rem;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.2s ease;
    box-shadow: 0 4px 15px rgba(74, 144, 226, 0.4);
}

#generate-btn:hover {
    background-color: #357ABD;
    transform: translateY(-2px);
}

#generate-btn:active {
    transform: translateY(0);
}

#numbers-container lotto-numbers {
    margin-bottom: 1.5rem;
}

h2 {
    color: #4A90E2;
    margin-top: 2rem;
    border-top: 1px solid #eee;
    padding-top: 1.5rem;
}

#history-container {
    max-height: 200px;
    overflow-y: auto;
    display: flex;
    flex-direction: column-reverse;
}