:root {
    --primary-color: #4a90e2;
    --secondary-color: #f5a623;
    --background-color: #f0f2f5;
    --text-color: #333;
    --white: #fff;
}

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

#app {
    text-align: center;
    padding: 2rem;
    background: var(--white);
    border-radius: 16px;
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
}

h1 {
    color: var(--primary-color);
    margin-bottom: 2rem;
}

#lotto-container {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

#generate-button {
    background-color: var(--primary-color);
    color: var(--white);
    border: none;
    padding: 1rem 2rem;
    font-size: 1.2rem;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.3s ease;
    box-shadow: 0 4px 12px 0 rgba(74, 144, 226, 0.5);
}

#generate-button:hover {
    background-color: #357ABD;
}