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

body, html {
  height: 100%;
  font-family: Arial, sans-serif;
  overflow: hidden;
}

#app {
  position: relative;
  width: 100%;
  height: 100%;
}

#background {
  position: absolute;
  width: 100%;
  height: 100%;
  background-image: url('assets/green-bg.jpg'); /* default */
  background-size: cover;
  background-position: center;
  transition: background-image 0.5s ease;
}

.color-btn {
  width: 60px;
  height: 60px;
  cursor: pointer;
  border: 2px solid white;
  border-radius: 50%;
  transition: transform 0.2s ease;
}

.color-btn:hover {
  transform: scale(1.1);
}

.color-btn {
  box-shadow: 0 0 15px rgba(255, 255, 200, 0.6);
}

#door {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 200px;
  height: 300px;
}

#door img {
  width: 100%;
  height: 100%;
}

#dial {
  position: absolute;
  bottom: 50px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 15px;
}

.color-btn {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  border: 2px solid white;
  cursor: pointer;
}

.color-btn[data-color="green"] { background-color: green; }
.color-btn[data-color="blue"] { background-color: blue; }
.color-btn[data-color="red"] { background-color: red; }
.color-btn[data-color="black"] { background-color: black; }

#destination {
  position: absolute;
  bottom: 120px;
  width: 100%;
  text-align: center;
  font-size: 18px;
  color: white;
  text-shadow: 1px 1px 3px black;
}