#back-to-top {
    position: fixed;
    bottom: 80px; /* قبلاً 20px بود → الان 60px بالاتر */
    left: 20px;
    background: #007BFF;
    color: #fff;
    font-size: 22px;
    font-weight: bold;
    text-align: center;
    line-height: 40px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
    text-decoration: none;
    transition: all 0.3s ease;
    display: none;
    z-index: 999;
}

#back-to-top:hover {
    background: #0056b3;
    transform: scale(1.1);
}