body{
  margin: 0px;
  padding: 0px;
  overflow: hidden;
  height: 100%;
  background-color: #000000;
}

/* Landscape Mode Enforcement */
#portrait-warning {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: #000000;
  z-index: 999999;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  color: #ffffff;
  font-family: Arial, sans-serif;
  text-align: center;
  padding: 20px;
  box-sizing: border-box;
}

#portrait-warning .icon {
  font-size: 80px;
  margin-bottom: 20px;
  animation: rotate-phone 2s ease-in-out infinite;
}

#portrait-warning h2 {
  font-size: 24px;
  margin: 0 0 10px 0;
  font-weight: bold;
}

#portrait-warning p {
  font-size: 16px;
  margin: 0;
  opacity: 0.8;
}

@keyframes rotate-phone {
  0%, 100% {
    transform: rotate(0deg);
  }
  25% {
    transform: rotate(-90deg);
  }
  75% {
    transform: rotate(-90deg);
  }
}