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

body {
  font-family: 'Noto Sans', sans-serif;
  background: #f5f5f5;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  overflow: hidden;
}

#game-container {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
  background: linear-gradient(180deg, #e3f2fd 0%, #f5f5f5 100%);
}

#sparrow-container {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  width: 100%;
}

.sparrow {
  width: 80px;
  height: 80px;
  object-fit: contain;
  transition: transform 0.3s ease;
  cursor: pointer;
}

.sparrow.bounce {
  animation: bounce 0.5s ease;
}

@keyframes bounce {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.1); }
}

#controls {
  margin: 20px 0;
}

#feed-btn {
  background: #fff;
  border: 2px solid #333;
  padding: 16px 40px;
  font-size: 18px;
  font-family: 'Noto Sans', sans-serif;
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

#feed-btn:active {
  transform: translateY(2px);
  box-shadow: 0 1px 4px rgba(0,0,0,0.1);
}

#meter-container {
  width: 100%;
  max-width: 300px;
  margin-bottom: 20px;
}

#meter-label {
  text-align: center;
  margin-bottom: 8px;
  font-size: 14px;
  color: #555;
}

#meter-bar {
  width: 100%;
  height: 20px;
  background: #ddd;
  border: 2px solid #333;
  overflow: hidden;
}

#meter-fill {
  height: 100%;
  background: #4caf50;
  width: 0%;
  transition: width 0.3s ease;
}