body {
  margin: 0;
  font-family: sans-serif;
  display: flex;
  flex-direction: column;
  height: 100vh;
}

main {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  z-index = 0
}

#bottom-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 15vh;              
  padding: 0 30px;           
  background: #98C1D9;
}
/* Score centered */
#score {
  flex: 1;
  text-align: center;
  font-size: 8vh;
  font-weight: bold;
}

#accuracy {
  text-align: left;
  font-size: 3vh;
  white-space: pre-line;   /* <-- makes \n show as line breaks */
}

/* Button style */
#next-btn {
  padding: 12px 24px;
  font-size: 8vh;
  border: none;
  border-radius: 25px;
  background: #00C800;
  color: white;
  cursor: pointer;
  transition: background 0.3s, opacity 0.3s;
  z-index= 1000
}

/* Button hover effect */
#next-btn:hover:enabled {
  background: #00F010;
}

/* Disabled style */
#next-btn:disabled {
  background: #235789;
  cursor: not-allowed;
  opacity: 0.6;
}