/* 🔹 Reset */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* 🔹 Base */
html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: #000;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

/* 🔹 Fullscreen App Container */
#app {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

/* 🔹 Fullscreen iframe */
#app iframe {
  width: 100%;
  height: 100%;
  border: none;
  display: block;
}

/* 🔹 Smooth Load Feel (optional but premium) */
#app {
  opacity: 0;
  animation: fadeIn 0.6s ease forwards;
}

@keyframes fadeIn {
  to {
    opacity: 1;
  }
}

/* 🔹 Prevent scroll bounce */
body {
  overscroll-behavior: none;
}