/**
 * Yukarı Çık Butonu
 */

#back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: #FFFFFF;
    border: 1px solid #E2E8F0;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    color: #475569;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 900;
    transition: all 0.2s ease;
}

#back-to-top.visible {
    display: flex;
}

#back-to-top:hover {
    background: #6366F1;
    color: white;
    border-color: #6366F1;
    box-shadow: 0 4px 16px rgba(99, 102, 241, 0.4);
    transform: translateY(-2px);
}

#back-to-top svg {
    width: 20px;
    height: 20px;
}