* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: #f0f2f5;
    color: #333;
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 100vh;
    background-image: linear-gradient(to top, #accbee 0%, #e7f0fd 100%);
}

header {
    padding: 2rem;
    text-align: center;
}

h1 {
    font-size: 3rem;
    color: #2c3e50;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.1);
}

main {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
}

.generator-container {
    background-color: white;
    padding: 2rem;
    border-radius: 16px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1), 0 6px 6px rgba(0,0,0,0.1);
    text-align: center;
    width: 90%;
    max-width: 500px;
}

#generator-btn {
    background-color: #3498db;
    color: white;
    border: none;
    padding: 1rem 2rem;
    font-size: 1.2rem;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.2s ease;
    box-shadow: 0 4px 6px rgba(50, 50, 93, 0.11), 0 1px 3px rgba(0, 0, 0, 0.08);
}

#generator-btn:hover {
    background-color: #2980b9;
    transform: translateY(-2px);
}

#lotto-numbers-container {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 2rem;
    perspective: 1000px; /* For 3D effect */
}

lotto-ball {
    --ball-color: #f1c40f;
}