@charset "utf-8";
/* CSS Document */

/* Bouton principal */
#btnTop {
  position: fixed;
  bottom: 30px;
  right: 45px;
  width: 40px;
  height: 40px;
  background: #053BB3;
  border-radius: 50%;
  box-shadow: 5px 5px #000;
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: opacity .3s ease, visibility .3s ease;
  z-index: 9999;
}

/* Quand le JS ajoute .show */
#btnTop.show {
  opacity: 1;
  visibility: visible;
}

/* SVG interne */
#btnTop svg {
  width: 60%;
  height: 60%;
  display: block;
  fill: white;
  filter: drop-shadow(3px 3px 4px #000);
  pointer-events: none;
}

/* Effet hover */
#btnTop:hover svg path {
  fill: red;
  filter: drop-shadow(3px 3px 4px #000);
}

@media (max-width: 768px) {
  #btnTop {
    width: 25px;
    height: 25px;
    right: 2px;
  }
}

@media (min-width: 769px) and (max-width: 1500px) {
  #btnTop {
    width: 35px;
    height: 35px;
    right: 30px;
  }
}