body {
  margin: 0;
  font-family: sans-serif;
  background: #111;
  color: white;
  text-align: center;
}

.camera-container {
  position: relative;
  width: 100%;
  max-width: 480px;
  margin: 0 auto;
  background: black;
  aspect-ratio: 3/4;
  overflow: hidden;
}

video, #overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

#snap-btn {
  position: absolute;
  bottom: 10px;
  left: 50%;
  transform: translateX(-50%);
  background: white;
  border: none;
  border-radius: 50%;
  width: 60px;
  height: 60px;
  font-size: 24px;
  cursor: pointer;
  z-index: 10;
}

.back-button {
  position: absolute;
  top: 10px;
  left: 10px;
  z-index: 10;
  background: rgba(255, 255, 255, 0.8);
  color: black;
  padding: 6px 10px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
}

.overlay-selector {
  margin-top: 10px;
  display: flex;
  justify-content: center;
  gap: 10px;
}

.thumbnail {
  width: 60px;
  height: 60px;
  object-fit: cover;
  border-radius: 10px;
  cursor: pointer;
  border: 2px solid transparent;
}

.thumbnail.selected {
  border-color: #00ffcc;
}