body {
  margin: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  background: #f7f7f9;
  height: 100vh;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

.container {
  position: relative;
  border-radius: 30px;
  box-shadow: 0 0px 0px rgba(0,0,0,0.1);
  overflow: hidden;
  width: 300px;
  height: 300px;
  background: #f7f7f9;
  display: flex;
  justify-content: center;
  align-items: center;
}


canvas {
  display: block;
  background-color: #f7f7f9;
}

#start-screen {
  position: absolute;
  width: 300px;
  height: 300px;
  background: #f7f7f9;
  border-radius: 30px;
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 10;
}

.hidden {
  display: none !important;
}

#end-screen {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100%;
  height: 100%;
  background: #f7f7f9;
  border-radius: 30px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  gap: 10px;
  padding: 20px;
  z-index: 10;
}

.button-74 {
  background-color: #453EDB;
  border: 2px solid #422800;
  border-radius: 30px;
  box-shadow: #422800 4px 4px 0 0;
  color: white;
  cursor: pointer;
  display: inline-block;
  font-weight: 600;
  font-size: 18px;
  padding: 0 18px;
  line-height: 50px;
  text-align: center;
  text-decoration: none;
  user-select: none;
  -webkit-user-select: none;
  touch-action: manipulation;
  font-family: 'Inter', sans-serif;
}

.button-74:hover {
  background-color: #6D1CF8;
  box-shadow: #422800 2px 2px 0 0;
  transform: translate(2px, 2px);
}

.button-74:active {
  box-shadow: #422800 2px 2px 0 0;
  transform: translate(2px, 2px);
}

@media (min-width: 768px) {
  .button-74 {
    min-width: 120px;
    padding: 0 25px;
  }
}

@keyframes shake {
  0% { transform: translate(0px, 0px); }
  20% { transform: translate(-2px, 2px); }
  40% { transform: translate(2px, -2px); }
  60% { transform: translate(-2px, 2px); }
  80% { transform: translate(2px, -2px); }
  100% { transform: translate(0px, 0px); }
}

.shake {
  animation: shake 0.15s;
}