/* ===== 小树动画与特效 ===== */

/* 浇水动画 - 水滴下落 */
@keyframes waterDrop {
  0% { opacity: 1; transform: translateY(-25px) scale(1); }
  60% { opacity: 1; transform: translateY(45px) scale(0.7); }
  100% { opacity: 0; transform: translateY(55px) scale(0.3); }
}

/* 放虫动画 - 虫子爬行 */
@keyframes bugCrawl {
  0% { opacity: 1; transform: translateX(-12px) scale(1) rotate(0deg); }
  30% { opacity: 1; transform: translateX(-2px) scale(1.2) rotate(-10deg); }
  60% { opacity: 1; transform: translateX(8px) scale(1.1) rotate(10deg); }
  100% { opacity: 0; transform: translateX(18px) scale(0.4) rotate(0deg); }
}

/* 小树成长动画 */
@keyframes treeGrow {
  0% { transform: scale(0.85); }
  40% { transform: scale(1.12); }
  70% { transform: scale(0.98); }
  100% { transform: scale(1); }
}

/* 小树萎缩动画 */
@keyframes treeShrink {
  0% { transform: scale(1.05); }
  25% { transform: scale(0.85) rotate(-3deg); }
  50% { transform: scale(0.9) rotate(2deg); }
  75% { transform: scale(0.95) rotate(-1deg); }
  100% { transform: scale(1) rotate(0); }
}

/* 叶子摇摆 */
@keyframes leafSway {
  0%, 100% { transform: rotate(0deg); }
  20% { transform: rotate(2deg); }
  40% { transform: rotate(-1deg); }
  60% { transform: rotate(3deg); }
  80% { transform: rotate(-2deg); }
}

/* 星星闪烁（升级时） */
@keyframes starBurst {
  0% { opacity: 0; transform: scale(0) rotate(0deg); }
  30% { opacity: 1; transform: scale(1.4) rotate(120deg); }
  60% { opacity: 0.8; transform: scale(1) rotate(240deg); }
  100% { opacity: 0; transform: scale(0) rotate(360deg); }
}

/* 水花溅起 */
@keyframes splash {
  0% { opacity: 0; transform: scale(0.2); }
  30% { opacity: 1; transform: scale(0.8); }
  60% { opacity: 0.6; transform: scale(1.2); }
  100% { opacity: 0; transform: scale(1.6); }
}

/* 彩虹光环（阶段升级） */
@keyframes rainbowRing {
  0% { opacity: 0; transform: scale(0.3); }
  30% { opacity: 0.8; transform: scale(1); }
  100% { opacity: 0; transform: scale(1.8); }
}

/* ===== 动画触发类 ===== */
.tree-grow {
  animation: treeGrow 0.7s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.tree-shrink {
  animation: treeShrink 0.6s ease;
}

.tree-sway {
  animation: leafSway 3s ease-in-out infinite;
}

/* ===== 浇水特效容器 ===== */
.water-effect {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  pointer-events: none;
  z-index: 10;
}

.water-drop {
  position: absolute;
  width: 10px;
  height: 14px;
  background: radial-gradient(ellipse, rgba(66, 165, 245, 0.9), rgba(30, 136, 229, 0.7));
  border-radius: 50% 50% 50% 50% / 60% 60% 40% 40%;
  animation: waterDrop 0.9s ease-in forwards;
  filter: drop-shadow(0 2px 4px rgba(66, 165, 245, 0.4));
}

.water-splash {
  position: absolute;
  bottom: -5px;
  left: 50%;
  transform: translateX(-50%);
  width: 36px;
  height: 12px;
  background: radial-gradient(ellipse, rgba(66, 165, 245, 0.5), transparent);
  border-radius: 50%;
  animation: splash 0.7s ease-out 0.5s forwards;
  opacity: 0;
}

/* ===== 放虫特效容器 ===== */
.bug-effect {
  position: absolute;
  top: 25%;
  left: 50%;
  transform: translateX(-50%);
  pointer-events: none;
  z-index: 10;
}

.bug-icon {
  position: absolute;
  font-size: 22px;
  animation: bugCrawl 1.2s ease-in-out forwards;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.15));
}

/* ===== 升级星星特效 ===== */
.level-up-effect {
  position: absolute;
  top: 5%;
  left: 50%;
  transform: translateX(-50%);
  pointer-events: none;
  z-index: 10;
}

.star-particle {
  position: absolute;
  font-size: 16px;
  animation: starBurst 1s ease-out forwards;
}

/* 彩虹光环特效 */
.rainbow-ring {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 80px;
  height: 80px;
  border-radius: 50%;
  border: 3px solid transparent;
  background: conic-gradient(from 0deg, #FF6B6B, #FFD93D, #6BCB77, #4D96FF, #FF6B6B) border-box;
  -webkit-mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  animation: rainbowRing 1.2s ease-out forwards;
  pointer-events: none;
  z-index: 10;
}

/* ===== 小树各阶段 SVG 样式 ===== */
.tree-svg {
  filter: drop-shadow(0 3px 6px rgba(0, 0, 0, 0.12));
}

/* 树干 */
.tree-trunk {
  transition: all 0.5s ease;
}

/* 树冠 */
.tree-crown {
  transition: all 0.5s ease;
}

/* 树叶 */
.tree-leaf {
  transition: all 0.5s ease;
}

/* 小树苗阶段 - 嫩绿 */
.tree-stage-1 .tree-crown {
  fill: #A5D6A7;
}
.tree-stage-1 .tree-leaf {
  fill: #81C784;
}

/* 幼树阶段 - 鲜绿 */
.tree-stage-2 .tree-crown {
  fill: #81C784;
}
.tree-stage-2 .tree-leaf {
  fill: #66BB6A;
}

/* 小树阶段 - 深绿 */
.tree-stage-3 .tree-crown {
  fill: #66BB6A;
}
.tree-stage-3 .tree-leaf {
  fill: #4CAF50;
}

/* 大树阶段 - 茂盛绿 */
.tree-stage-4 .tree-crown {
  fill: #4CAF50;
}
.tree-stage-4 .tree-leaf {
  fill: #388E3C;
}

/* 参天大树阶段 - 深绿带花 */
.tree-stage-5 .tree-crown {
  fill: #388E3C;
}
.tree-stage-5 .tree-leaf {
  fill: #2E7D32;
}
.tree-stage-5 .tree-flower {
  fill: #F48FB1;
  opacity: 0.9;
}

/* ===== 小树表情动画 ===== */
.tree-face {
  transition: all 0.3s ease;
}

.tree-eyes {
  animation: blink 4s ease-in-out infinite;
}

@keyframes blink {
  0%, 90%, 100% { transform: scaleY(1); }
  95% { transform: scaleY(0.1); }
}

.tree-happy {
  animation: happyBounce 0.6s ease;
}

@keyframes happyBounce {
  0% { transform: scale(1); }
  30% { transform: scale(1.15); }
  60% { transform: scale(0.95); }
  100% { transform: scale(1); }
}