/* ========== 全局动画 ========== */

/* 页面切换 */
.page-enter {
  animation: pageEnter 0.3s ease-out;
}

.page-leave {
  animation: pageLeave 0.3s ease-in;
}

@keyframes pageEnter {
  from { opacity: 0; transform: translateX(20px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes pageLeave {
  from { opacity: 1; transform: translateX(0); }
  to { opacity: 0; transform: translateX(-20px); }
}

/* 淡入淡出 */
.fade-in {
  animation: fadeIn 0.3s ease-out forwards;
}

.fade-out {
  animation: fadeOut 0.3s ease-in forwards;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeOut {
  from { opacity: 1; }
  to { opacity: 0; }
}

/* 上滑进入 */
.slide-up {
  animation: slideUp 0.3s ease-out forwards;
}

.slide-down {
  animation: slideDown 0.3s ease-in forwards;
}

@keyframes slideUp {
  from { transform: translateY(100%); }
  to { transform: translateY(0); }
}

@keyframes slideDown {
  from { transform: translateY(0); }
  to { transform: translateY(100%); }
}

/* 缩放 */
.scale-in {
  animation: scaleIn 0.2s ease-out forwards;
}

.scale-out {
  animation: scaleOut 0.2s ease-in forwards;
}

@keyframes scaleIn {
  from { transform: scale(0.9); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

@keyframes scaleOut {
  from { transform: scale(1); opacity: 1; }
  to { transform: scale(0.9); opacity: 0; }
}

/* 脉冲 */
.pulse {
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

/* 弹跳 */
.bounce {
  animation: bounce 0.5s ease-in-out;
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* 摇晃 */
.shake {
  animation: shake 0.5s ease-in-out;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-5px); }
  75% { transform: translateX(5px); }
}

/* 旋转 */
.spin {
  animation: spin 1s linear infinite;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* 加载器帧动画 */
.loader-spin {
  animation: loaderSpin 0.8s steps(8) infinite;
}

@keyframes loaderSpin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* 骨架屏闪光 */
.shimmer {
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

/* 商品飞入购物车 */
.fly-to-cart {
  animation: flyToCart 0.6s ease-in forwards;
}

@keyframes flyToCart {
  0% { 
    transform: scale(1) translate(0, 0); 
    opacity: 1; 
  }
  30% { 
    transform: scale(0.8) translate(0, -30px); 
    opacity: 0.9; 
  }
  100% { 
    transform: scale(0.1) translate(var(--cart-x, 100px), var(--cart-y, -200px)); 
    opacity: 0; 
  }
}

/* 数字滚动 */
.count-up {
  animation: countUp 0.8s ease-out forwards;
}

@keyframes countUp {
  from { transform: translateY(10px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

/* 心跳 */
.heartbeat {
  animation: heartbeat 1.5s ease-in-out infinite;
}

@keyframes heartbeat {
  0%, 100% { transform: scale(1); }
  14% { transform: scale(1.1); }
  28% { transform: scale(1); }
  42% { transform: scale(1.1); }
  70% { transform: scale(1); }
}

/* 呼吸灯 */
.breath {
  animation: breath 2s ease-in-out infinite;
}

@keyframes breath {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

/* 下滑刷新 */
.pull-refresh {
  transition: transform 0.3s ease-out;
}

.pull-refresh.pulling {
  transform: translateY(60px);
}

/* 遮罩淡入 */
.mask-fade-in {
  animation: maskFadeIn 0.3s ease-out forwards;
}

@keyframes maskFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* 底部弹窗滑入 */
.sheet-slide-up {
  animation: sheetSlideUp 0.3s ease-out forwards;
}

@keyframes sheetSlideUp {
  from { transform: translateY(100%); }
  to { transform: translateY(0); }
}

/* 对勾绘制 */
.check-draw {
  animation: checkDraw 0.6s ease-out forwards;
}

@keyframes checkDraw {
  from { stroke-dashoffset: 100; }
  to { stroke-dashoffset: 0; }
}

/* 星星评分 */
.star-pop {
  animation: starPop 0.2s ease-out;
}

@keyframes starPop {
  0% { transform: scale(1); }
  50% { transform: scale(1.3); }
  100% { transform: scale(1); }
}

/* 按钮点击涟漪 */
.ripple {
  position: relative;
  overflow: hidden;
}

.ripple::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle, rgba(255,255,255,0.3) 10%, transparent 10.01%);
  background-repeat: no-repeat;
  background-position: 50%;
  transform: scale(10);
  opacity: 0;
  transition: transform 0.5s, opacity 0.5s;
}

.ripple:active::after {
  transform: scale(0);
  opacity: 1;
  transition: 0s;
}

/* 列表项滑入 */
.list-item-enter {
  animation: listItemEnter 0.3s ease-out forwards;
}

@keyframes listItemEnter {
  from { opacity: 0; transform: translateX(-20px); }
  to { opacity: 1; transform: translateX(0); }
}

/* 通知徽章跳动 */
.badge-bounce {
  animation: badgeBounce 0.5s ease-in-out;
}

@keyframes badgeBounce {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.2); }
}

/* 图片加载占位 */
.img-placeholder {
  background: linear-gradient(90deg, #f0f0f0, #e8e8e8, #f0f0f0);
  background-size: 200% 100%;
  animation: imgPlaceholder 1.5s infinite;
}

@keyframes imgPlaceholder {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* 进度条 */
.progress-bar {
  height: 4px;
  background: var(--border);
  border-radius: 2px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--primary-light));
  border-radius: 2px;
  transition: width 0.3s ease-out;
  animation: progressFill 1s ease-out forwards;
}

@keyframes progressFill {
  from { width: 0; }
}

/* 浮动按钮悬停 */
.fab-hover {
  transition: transform 0.2s, box-shadow 0.2s;
}

.fab-hover:active {
  transform: scale(0.95);
  box-shadow: var(--shadow-md);
}

/* 卡片悬停 */
.card-hover {
  transition: transform 0.2s, box-shadow 0.2s;
}

.card-hover:active {
  transform: scale(0.98);
  box-shadow: var(--shadow-md);
}

/* 输入框聚焦 */
.input-focus {
  transition: border-color 0.2s, box-shadow 0.2s;
}

.input-focus:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(255,107,53,0.1);
}

/* 标签切换 */
.tab-switch {
  transition: color 0.2s, background 0.2s;
}

/* 优惠券撕开效果 */
.coupon-tear {
  position: relative;
}

.coupon-tear::before,
.coupon-tear::after {
  content: '';
  position: absolute;
  width: 12px;
  height: 12px;
  background: var(--bg);
  border-radius: 50%;
}

/* 地图脉冲 */
.map-pulse {
  animation: mapPulse 2s ease-out infinite;
}

@keyframes mapPulse {
  0% { transform: scale(1); opacity: 1; }
  100% { transform: scale(3); opacity: 0; }
}

/* 时间倒计时 */
.countdown-tick {
  animation: countdownTick 1s ease-in-out infinite;
}

@keyframes countdownTick {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); color: var(--danger); }
}