body {
  background: linear-gradient(rgba(120,0,0,0.6), rgba(60,0,0,0.8)),
              url("../img/header-bg.gif") no-repeat center center fixed;
  background-size: cover;
  color: #fff0f0;
}

.hidden { display: none; }

button {
  transition: background-color 0.2s ease, transform 0.1s ease;
}

button:hover {
  transform: scale(1.05);
  filter: brightness(1.1);
}


#admin-menu {
  transition: all 0.2s ease;
}
#admin-menu.hidden {
  opacity: 0;
  transform: translateY(-10px);
  pointer-events: none;
}

#master-panel {
  transition: opacity 0.2s ease;
}
#master-panel.hidden {
  opacity: 0;
  pointer-events: none;
}

#typewriter {
  border-right: 2px solid #fff;
  animation: blinkCursor 0.7s steps(1) infinite;
}

@keyframes blinkCursor {
  50% {
    border-color: transparent;
  }
}