body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: var(--lh-normal);
}

.screen {
  position: fixed;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-xl);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity var(--duration-slow) var(--ease-out),
              transform var(--duration-slow) var(--ease-out),
              visibility var(--duration-slow);
  transform: translateY(20px);
  will-change: opacity, transform;
}

.screen.active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0);
}

.screen.exiting {
  opacity: 0;
  transform: translateY(-20px);
}

.container {
  width: 100%;
  max-width: 640px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.footer {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-sm) var(--space-xl);
  text-align: center;
  font-size: var(--fs-caption);
  color: var(--text-secondary);
  opacity: 0.6;
  z-index: 10;
}

.footer a {
  color: var(--accent);
  transition: opacity var(--duration-fast) var(--ease-in-out);
}

.footer a:hover {
  opacity: 0.7;
}