* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    user-select: none;
}

body {
    font-family: 'Poppins', sans-serif;
    background: linear-gradient(135deg, #1a1a1a, #2c2c2c);
    color: #f5e8c7;
    overflow-x: hidden;
    transition: background 0.3s, color 0.3s;
}

body.light {
    background: linear-gradient(135deg, #f5f5f5, #e0e0e0);
    color: #3c2f2f;
}

#particles-js {
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: 0;
}