*{
  box-sizing:border-box;
}

body{
  margin:0;
  background:#000;
  overflow:hidden;
  font-family:Arial, sans-serif;
}

/* Player container full screen */
.player-container{
  position:fixed;
  inset:0;
  width:100vw;
  height:100vh;
  background:#000;
}

/* Video responsive */
video{
  width:100%;
  height:100%;
  object-fit:cover;   /* black bars remove */
}

/* Fullscreen button */
#fsBtn{
  position:absolute;
  bottom:calc(env(safe-area-inset-bottom) + 16px);
  right:16px;

  background:rgba(0,0,0,0.6);
  color:white;
  border:none;
  padding:10px 14px;
  border-radius:8px;
  font-size:14px;
  cursor:pointer;

  touch-action:manipulation;
}

#fsBtn:hover{
  background:rgba(255,255,255,0.25);
}

/* Mobile optimisation */
@media(max-width:768px){
  #fsBtn{
    padding:8px 12px;
    font-size:13px;
  }
}