/* MELANIUM Premiere: accessible floating return-to-top control. */
.mp-back-to-top{
  position:fixed;
  right:max(20px,env(safe-area-inset-right));
  bottom:max(24px,env(safe-area-inset-bottom));
  z-index:90;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  min-width:98px;
  min-height:48px;
  padding:10px 16px;
  border:1px solid rgba(255,255,255,.28);
  border-radius:999px;
  background:linear-gradient(130deg,#b7192d,#ed3349);
  box-shadow:0 12px 34px rgba(0,0,0,.38);
  color:#fff;
  font:700 13px/1.1 Manrope,Arial,sans-serif;
  letter-spacing:.03em;
  cursor:pointer;
  transition:transform .18s ease,background .18s ease,box-shadow .18s ease;
}
.mp-back-to-top[hidden]{display:none!important}
.mp-back-to-top:hover{transform:translateY(-3px);background:#e83145;box-shadow:0 16px 38px rgba(0,0,0,.48)}
.mp-back-to-top:focus-visible{outline:3px solid #fff;outline-offset:4px}
.mp-back-to-top__arrow{font-size:22px;line-height:1}
@media(max-width:640px){
  .mp-back-to-top{
    right:max(14px,env(safe-area-inset-right));
    bottom:max(18px,env(safe-area-inset-bottom));
    min-width:50px;
    width:50px;
    min-height:50px;
    padding:0;
  }
  .mp-back-to-top__label{display:none}
}
@media(prefers-reduced-motion:reduce){.mp-back-to-top{transition:none}}