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

body {
  width: 100%;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  background: white;
  font-family: Arial, sans-serif;
}

.container {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
}

.surprise-button {
  padding: 20px 50px;
  font-size: 24px;
  font-weight: bold;
  color: white;
  background: #333;
  border: 3px solid #333;
  border-radius: 50px;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  z-index: 100;
  position: relative;
}

.surprise-button:hover:not(:disabled) {
  transform: scale(1.1);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
}

.surprise-button:disabled {
  opacity: 1;
  cursor: pointer;
  transform: scale(1);
}

.surprise-button.hidden {
  display: none;
}

.hidden-video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 0.5s ease;
  z-index: 5;
}

.hidden-video.show {
  opacity: 1;
  z-index: 50;
}