body {
  margin: 0;
  font-family: 'Arial', sans-serif;
  background-color: #e6f7ff;
  text-align: center;
}


.start-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100vh;
  background-color: #dff0d8;
}


.start-container button {
  padding: 20px;
  font-size: 20px;
  background-color: #ff5050;
  color: white;
  border: none;
  border-radius: 10px;
  cursor: pointer;
}


.game-container {
  position: relative;
  height: 100vh;
  overflow: hidden;
}

body {
  background-image: url('background.jpg');
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center;
  height: 100vh; /* full screen height */
  margin: 0;
}



.newton {
  width: 100%;
  max-width: 520px;
  position: absolute;
  bottom: 0;
  left: 50%;
  
  transform: translateX(-50%);
  z-index: 1;
}


.apple {
  width: 30px;
  position: absolute;
  top: 6000px;
  left: 50%;
  transform: translateX(-50%) rotate(0%deg);
  transition: top 2s ease-in, left 2s ease-in;
  z-index: 2;
}


.crying {
  position: absolute;
  width: 30%;
  max-width: 400px;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
}


.hidden {
  display: none;
}


#angle-display, #result-msg {
  margin-top: 20px;
  font-size: 22px;
}




.controls-horizontal {
  margin-top: 20px;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}


button {
  padding: 10px 20px;
  font-size: 16px;
  border-radius: 10px;
  border: none;
  background-color: #5cb85c;
  color: white;
  cursor: pointer;
}
button:hover {
  background-color: #4cae4c;
}