*, *::before, *::after {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  overscroll-behavior: none;
  overflow: hidden;
  position: fixed;
  inset: 0;
  -webkit-tap-highlight-color: transparent;
  -webkit-user-select: none;
  user-select: none;
  touch-action: none;
  background: #0b0d12;
  color: #f2f4f8;
  font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
}

button {
  font-family: inherit;
  -webkit-tap-highlight-color: transparent;
  touch-action: none;
  border: none;
  background: none;
  color: inherit;
  cursor: pointer;
}

a {
  color: inherit;
  text-decoration: none;
  -webkit-tap-highlight-color: transparent;
}

.safe-top { padding-top: env(safe-area-inset-top); }
.safe-bottom { padding-bottom: env(safe-area-inset-bottom); }
.safe-left { padding-left: env(safe-area-inset-left); }
.safe-right { padding-right: env(safe-area-inset-right); }

.home-link {
  position: fixed;
  top: calc(env(safe-area-inset-top) + 12px);
  left: calc(env(safe-area-inset-left) + 12px);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  z-index: 1000;
}

.home-link.hidden {
  display: none;
}