:root {
    --primary-color: #3498db;
    --secondary-color: #2ecc71;
    --background-color: #f0f2f5;
    --text-color: #333;
}

body {
    font-family: 'Arial', sans-serif;
    background-color: var(--background-color);
    background-image: subtle-noise-texture.png;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.container {
    background-color: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    text-align: center;
}

h1 {
    color: var(--text-color);
    margin-bottom: 20px;
}

.lotto-numbers {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 30px;
}

.lotto-number {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--primary-color);
    color: white;
    font-size: 24px;
    font-weight: bold;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

#generate-btn {
    background-color: var(--secondary-color);
    color: white;
    border: none;
    padding: 15px 30px;
    border-radius: 8px;
    font-size: 18px;
    cursor: pointer;
    transition: background-color 0.3s ease;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

#generate-btn:hover {
    background-color: #27ae60;
}