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

body {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  background: #87ceeb;
}

.game-container {
  position: relative;
  width: 900px;
  height: 650px;
  background: #458b00;
  border: 4px solid #654321;
  border-radius: 10px;
  padding-top: 115px;
}

.sun-counter {
  position: absolute;
  top: 15px;
  left: 15px;
  background: rgba(0, 0, 0, 0.7);
  color: yellow;
  padding: 8px 12px;
  border-radius: 5px;
  font-size: 16px;
  z-index: 1000;
  display: flex;
  align-items: center;
  gap: 5px;
  width: auto;
}

.sun-counter::before {
  content: "☀️";
}

.game-board {
  display: grid;
  grid-template-columns: repeat(9, 1fr);
  grid-template-rows: repeat(5, 1fr);
  height: 500px;
  margin-top: 5px;
}

.grid-cell {
  border: 1px solid rgba(0, 0, 0, 0.1);
  position: relative;
  height: 100px;
}

.plant-selector {
  position: absolute;
  top: 15px;
  left: 140px;
  right: 15px;
  height: 90px;
  background: rgba(0, 0, 0, 0.7);
  border-radius: 5px;
  display: flex;
  padding: 20px 10px 10px;
  gap: 12px;
  overflow-x: auto;
  overflow-y: hidden;
  white-space: nowrap;
}

.plant-selector::-webkit-scrollbar {
  height: 8px;
  margin-top: 10px;
}

.plant-selector::-webkit-scrollbar-track {
  background: rgba(0, 0, 0, 0.2);
  border-radius: 4px;
  margin: 0 5px;
}

.plant-selector::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.3);
  border-radius: 4px;
}

.plant-selector::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.5);
}

.plant-option {
  min-width: 60px;
  height: 60px;
  margin-bottom: 10px;
  background: #555;
  border-radius: 5px;
  cursor: pointer;
  transition: transform 0.2s;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 12px;
  position: relative;
  padding: 2px;
}

.plant-option::before {
  content: attr(data-name);
  position: absolute;
  top: -22px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(0, 0, 0, 0.7);
  padding: 2px 6px;
  border-radius: 3px;
  font-size: 12px;
  white-space: nowrap;
  opacity: 1;
  transition: opacity 0.2s;
  pointer-events: none;
  color: white;
}

.plant-option:hover::before {
  opacity: 1;
}

.plant-option.selected {
  box-shadow: 0 0 10px yellow;
  transform: scale(1.1);
}

.plant-option .cost {
  position: absolute;
  bottom: 2px;
  right: 2px;
  background: rgba(0, 0, 0, 0.7);
  padding: 2px 4px;
  border-radius: 3px;
  font-size: 10px;
  color: yellow;
}

.plant-option.insufficient {
  filter: grayscale(1);
  cursor: not-allowed;
}

.plant-option[data-plant="sunflower"]::after {
  content: "🌻";
  color: yellow;
  font-size: 24px;
}

.plant-option[data-plant="peashooter"]::after {
  content: "🌱";
  color: #90ee90;
  font-size: 24px;
}

.plant-option[data-plant="wallnut"]::after {
  content: "🥜";
  color: #deb887;
  font-size: 24px;
}

.plant-option[data-plant="icePeashooter"]::after {
  content: "❄️";
  color: #00f;
  font-size: 24px;
}

.plant-option[data-plant="cherryBomb"]::after {
  content: "💣";
  color: #f00;
  font-size: 24px;
}

.plant-option[data-plant="doublePeashooter"]::after {
  content: "🌿";
  color: #0f0;
  font-size: 24px;
}

.plant-option[data-plant="jalapeno"]::after {
  content: "🌶️";
  color: #f00;
  font-size: 24px;
}

.plant-option:hover {
  transform: scale(1.1);
}

.plant {
  width: 100%;
  height: 100%;
  position: absolute;
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: bold;
}

.plant[style*="sunflower"]::after {
  content: "🌻";
  font-size: 30px;
}

.plant[style*="peashooter"]::after {
  content: "🌱";
  font-size: 30px;
  transform: scaleX(-1);
}

.plant[style*="wallnut"]::after {
  content: "🥜";
  font-size: 30px;
}

.pea {
  width: 20px;
  height: 20px;
  position: absolute;
  background-color: #90ee90;
  border-radius: 50%;
  box-shadow: 0 0 5px rgba(0, 255, 0, 0.5);
  z-index: 1;
  left: 60px;
  top: 40px;
}

.zombie {
  width: 60px;
  height: 100px;
  position: absolute;
  left: 0;
  top: 10px;
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: bold;
  pointer-events: none;
}

.zombie::after {
  content: "🧟";
  font-size: 40px;
}

.sun {
  width: 40px;
  height: 40px;
  position: absolute;
  background: yellow;
  border-radius: 50%;
  cursor: pointer;
  animation: sunFloat 10s linear;
}

@keyframes sunFloat {
  0% {
    transform: translateY(-50px);
  }
  100% {
    transform: translateY(600px);
  }
}

.plant[style*="icePeashooter"]::after {
  content: "❄️";
  font-size: 30px;
}

.plant[style*="cherryBomb"]::after {
  content: "💣";
  font-size: 30px;
}

.plant[style*="doublePeashooter"]::after {
  content: "🌿";
  font-size: 30px;
  transform: scaleX(-1);
}

.plant[style*="jalapeno"]::after {
  content: "🌶️";
  font-size: 30px;
}

.pea.ice-pea {
  background-color: #00f;
  box-shadow: 0 0 5px rgba(0, 0, 255, 0.5);
}

.plant[style*="smallMushroom"]::after {
  content: "🍄";
  font-size: 25px;
}

.plant[style*="bigMushroom"]::after {
  content: "🍄";
  font-size: 35px;
}

.plant[style*="poisonMushroom"]::after {
  content: "🍄";
  font-size: 30px;
  filter: hue-rotate(90deg);
}

.zombie-conehead::after {
  content: "🧟";
  font-size: 40px;
  color: #ff8c00;
}

.zombie-buckethead::after {
  content: "🧟";
  font-size: 40px;
  color: #c0c0c0;
}

.game-container.night-time {
  background: #1a237e;
  position: relative;
}

.game-container.night-time::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 32, 0.5);
  pointer-events: none;
}

.game-container.night-time .plant-selector {
  background: rgba(0, 0, 0, 0.8);
}

.game-container.night-time .sun-counter {
  background: rgba(0, 0, 0, 0.8);
}

.toggle-day-night {
  position: absolute;
  top: 55px;
  left: 15px;
  padding: 8px 12px;
  background: rgba(0, 0, 0, 0.7);
  color: white;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  z-index: 1000;
  font-size: 14px;
  display: block;
}

.game-container:not(.night-time) .toggle-day-night::before {
  content: "🌙";
  margin-right: 5px;
}

.game-container.night-time .toggle-day-night::before {
  content: "☀️";
  margin-right: 5px;
}

.plant-option[data-plant="smallMushroom"]::after {
  content: "🍄";
  font-size: 24px;
}

.plant-option[data-plant="bigMushroom"]::after {
  content: "🍄";
  font-size: 24px;
}

.plant-option[data-plant="poisonMushroom"]::after {
  content: "🍄";
  font-size: 24px;
  filter: hue-rotate(90deg);
}

/* 报纸僵尸 */
.zombie-newspaper::after {
  content: "🧟";
  font-size: 40px;
  color: #4a90e2;
}

/* 舞王僵尸 */
.zombie-dancing::after {
  content: "🧟";
  font-size: 40px;
  color: #e91e63;
}

/* 橄榄球僵尸 */
.zombie-football::after {
  content: "🧟";
  font-size: 40px;
  color: #8bc34a;
}

/* 撑杆僵尸 */
.zombie-pole::after {
  content: "🧟";
  font-size: 40px;
  color: #ffc107;
}

/* 被激怒的报纸僵尸 */
.zombie-newspaper.enraged::after {
  color: #ff4444;
  animation: shake 0.5s infinite;
}

/* 添加一个摇晃动画 */
@keyframes shake {
  0%,
  100% {
    transform: translateX(0);
  }
  25% {
    transform: translateX(-2px);
  }
  75% {
    transform: translateX(2px);
  }
}

/* 新增植物样式 */
.plant[style*="repeater"]::after {
  content: "🌿";
  font-size: 30px;
  transform: scaleX(-1);
  color: #4caf50;
}

.plant[style*="gatlingPea"]::after {
  content: "🌿";
  font-size: 35px;
  transform: scaleX(-1);
  color: #2e7d32;
}

.plant[style*="pumpkin"]::after {
  content: "🎃";
  font-size: 30px;
}

.plant[style*="spikeweed"]::after {
  content: "🌵";
  font-size: 25px;
  transform: rotate(90deg);
}

.plant[style*="torchwood"]::after {
  content: "🔥";
  font-size: 30px;
}

.plant[style*="magnetShroom"]::after {
  content: "🧲";
  font-size: 30px;
  color: #9c27b0;
}

/* 火豌豆样式 */
.pea.fire-pea {
  background-color: #ff4444;
  box-shadow: 0 0 8px rgba(255, 0, 0, 0.7);
}

/* 选择器中的新植物样式 */
.plant-option[data-plant="repeater"]::after {
  content: "🌿";
  font-size: 24px;
  color: #4caf50;
}

.plant-option[data-plant="gatlingPea"]::after {
  content: "🌿";
  font-size: 24px;
  color: #2e7d32;
}

.plant-option[data-plant="pumpkin"]::after {
  content: "🎃";
  font-size: 24px;
}

.plant-option[data-plant="spikeweed"]::after {
  content: "🌵";
  font-size: 24px;
}

.plant-option[data-plant="torchwood"]::after {
  content: "🔥";
  font-size: 24px;
}

.plant-option[data-plant="magnetShroom"]::after {
  content: "🧲";
  font-size: 24px;
  color: #9c27b0;
}