* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  overscroll-behavior: none;
  background: #000;
  font-family: Arial, Helvetica, sans-serif;
}

body {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 24px;
}

.sheet-wrap {
  overflow: hidden;
  background: #000;
  border-radius: 8px;
}

.sheet-frame {
  display: block;
  border: 0;
  background: #000;
  transform-origin: top left;
}

.mobile-frame {
  display: block;
  border: 0;
}

.mobile-only {
  display: none;
}

@media (max-width: 768px) {
  body {
    padding: 0;
    overflow-x: hidden;
  }

  .desktop-only {
    display: none;
  }

  .mobile-only {
    display: block;
  }

  .mobile-frame {
    width: 100%;
    max-width: 100%;
    height: 100dvh;
  }
}