html, body {
  height: 100dvh;
  overflow: hidden;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-family);
  font-size: var(--font-size-base);
}

body {
  display: flex;
  flex-direction: column;
  padding:
    env(safe-area-inset-top)
    env(safe-area-inset-right)
    env(safe-area-inset-bottom)
    env(safe-area-inset-left);
}

.app {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  position: relative;
}

/* View container — each view is an absolutely positioned layer */
.view {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  display: none;
  flex-direction: column;
  visibility: hidden;
  z-index: 0;
}

.view.active {
  display: flex;
  visibility: visible;
  z-index: 1;
}

/* Toast notifications */
.toast {
  position: fixed;
  bottom: calc(env(safe-area-inset-bottom) + var(--space-lg));
  left: 50%;
  transform: translateX(-50%) translateY(100%);
  background: var(--color-bg-surface);
  color: var(--color-text);
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  z-index: var(--z-toast);
  opacity: 0;
  transition: transform var(--transition-base), opacity var(--transition-base);
  border: 1px solid var(--color-border);
}

.toast.visible {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

/* Made-by tag */
.made-by {
  position: fixed;
  bottom: calc(env(safe-area-inset-bottom) + 60px);
  right: var(--space-sm);
  font-size: 10px;
  color: var(--color-text-muted);
  text-decoration: none;
  opacity: 0.4;
  z-index: 2;
  letter-spacing: 0.02em;
}

.made-by:hover {
  opacity: 0.8;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}