.theme-toggle {
    background: none;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
}

.theme-toggle svg {
    width: 24px;
    height: 24px;
}

#sun-icon, #moon-icon {
    display: none;
}

#sun-icon.active {
    display: inline;
}

#moon-icon.active {
    display: inline;
}


/* Back to TOP */

.ct-back-to-top {
    position: fixed;
    bottom: 20px;
    right: 20px;
    display: none;
    padding: 10px 10px;
    background-color: #2f52b2; 
    color: #fff;
    border: none;
    cursor: pointer;
    border-radius: 5px;
    z-index: 100;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1); 
    transition: opacity 0.3s ease, transform 0.3s ease;
  }

  .ct-back-to-top:hover {
    background-color: #374878;
    transform: scale(1.1); 
  }

  .ct-icon {
    width: 20px;
    height: 20px;
    fill: white; 
  }

  .ct-back-to-top.ct-show {
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 1;
    visibility: visible;
  }