:root {
    --primary-color: #FF416C;
    --secondary-color: #FF4B2B;
    --background-color: #f0f2f5;
    --text-color: #333;
    --white: #fff;
    --shadow-color: rgba(0, 0, 0, 0.1);
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    background-color: var(--background-color);
    background-image: url("data:image/svg+xml,%3Csvg width='42' height='44' viewBox='0 0 42 44' xmlns='http://www.w3.org/2000/svg'%3E%3Cg id='Page-1' fill='none' fill-rule='evenodd'%3E%3Cg id='brick-wall' fill='%239C92AC' fill-opacity='0.1'%3E%3Cpath d='M0 0h42v44H0V0zm1 1h40v20H1V1zM0 23h20v20H0V23zm22 0h20v20H22V23z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.container {
    text-align: center;
    background-color: var(--white);
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 10px 30px var(--shadow-color);
    width: 90%;
    max-width: 500px;
}

h1 {
    color: var(--text-color);
    margin-bottom: 30px;
    font-size: 2.5em;
    font-weight: 700;
}

.lotto-numbers {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 40px;
}

lotto-ball {
    --ball-color: var(--primary-color);
}

#generate-btn {
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    border: none;
    padding: 15px 30px;
    font-size: 1.2em;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(255, 65, 108, 0.4);
}

#generate-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(255, 75, 43, 0.5);
}

#generate-btn:active {
    transform: translateY(-1px);
    box-shadow: 0 5px 15px rgba(255, 75, 43, 0.4);
}