* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: #f5dfb8;
  font-family: Arial, sans-serif;
  overflow: hidden;
}

.screen {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
}

.hidden {
  display: none;
}

h1 {
  font-size: 48px;
  margin-bottom: 10px;
}

p {
  font-size: 20px;
}

button {
  padding: 14px 28px;
  font-size: 20px;
  border: none;
  border-radius: 12px;
  cursor: pointer;
  background: #3b2a1a;
  color: white;
}

button:hover {
  transform: scale(1.05);
}

.hud {
  position: absolute;
  top: 30px;
  left: 30px;
  text-align: left;
}

#hamster {
  width: 340px;
  max-width: 80vw;
  cursor: pointer;
  user-select: none;
  transition: transform 0.15s ease;
}

#hamster:active {
  transform: scale(0.95);
}

.shake {
  animation: shake 0.15s infinite;
}

.warning {
  animation: warningShake 0.08s infinite;
}

.explode {
  animation: explodeAnim 0.4s ease-out forwards;
}

@keyframes shake {
  0% { transform: rotate(0deg); }
  25% { transform: rotate(2deg); }
  50% { transform: rotate(0deg); }
  75% { transform: rotate(-2deg); }
  100% { transform: rotate(0deg); }
}

@keyframes warningShake {
  0% { transform: translateX(0); }
  25% { transform: translateX(4px); }
  50% { transform: translateX(0); }
  75% { transform: translateX(-4px); }
  100% { transform: translateX(0); }
}

@keyframes explodeAnim {
  from {
    transform: scale(1);
    opacity: 1;
  }
  to {
    transform: scale(1.6);
    opacity: 0.9;
  }
}