/* Bouton de sélection : vert bouteille translucide, lisible sur le fond noir. */
.header-selection{
 border-color:rgba(67,210,132,.78);
 background:linear-gradient(135deg,rgba(31,166,91,.46),rgba(13,105,56,.34));
 color:#f4fff8;
 box-shadow:0 9px 24px rgba(0,0,0,.18),0 0 18px rgba(42,191,112,.09),0 0 0 1px rgba(255,255,255,.045) inset;
 -webkit-backdrop-filter:blur(11px);
 backdrop-filter:blur(11px);
 transition:transform .2s,background .2s,border-color .2s,box-shadow .2s;
}
.header-selection:hover{
 transform:translateY(-1px);
 border-color:rgba(102,225,157,.94);
 background:linear-gradient(135deg,rgba(36,185,103,.59),rgba(14,118,63,.46));
 box-shadow:0 11px 28px rgba(0,0,0,.2),0 0 22px rgba(42,191,112,.14);
}
.header-selection:active{transform:translateY(0)}
.header-selection i{font-style:normal}
.header-selection span{
 border:1px solid rgba(157,241,194,.78);
 background:#168b4c;
 color:#fff;
 box-shadow:0 0 0 3px rgba(42,191,112,.13);
}

@media(max-width:700px){
 .header-selection{
  border-color:rgba(67,210,132,.82);
  background:linear-gradient(135deg,rgba(31,166,91,.48),rgba(13,105,56,.38));
  box-shadow:0 7px 18px rgba(0,0,0,.16),0 0 14px rgba(42,191,112,.08);
 }
 .header-selection span{background:#168b4c}
}