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

html, body {
  height: 100%;
  width: 100%;
  overflow: hidden;
}

body {
  background: #fff;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: #333;
}

#app {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Loading state */
#loading {
  text-align: center;
}

.loading-text {
  font-size: 1.5rem;
  color: #666;
  animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 0.6; }
  50% { opacity: 1; }
}

/* Error state */
#error {
  text-align: center;
  padding: 2rem;
}

.error-text {
  font-size: 1.25rem;
  color: #ff6b6b;
  margin-bottom: 1rem;
}

.error-hint {
  font-size: 1rem;
  color: #888;
}

/* Stage - animation container */
#stage {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #fff;
}

/* All layers stack on top of each other */
.layer {
  position: absolute;
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  opacity: 0;
  transition: opacity 0.5s ease;
  pointer-events: none;
}

.layer.visible {
  opacity: 1;
}

.layer.fade-out {
  opacity: 0;
}

/* Explosion overlay needs to be on top */
#gif-explosion {
  z-index: 2;
}

#gif-box {
  z-index: 1;
}

#photo {
  z-index: 3;
}

/* Hidden utility */
.hidden {
  display: none !important;
}