/* ========================================
   LUXORA E-Commerce - 动画样式表
   ======================================== */

/* === 通用关键帧动画 === */

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

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

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

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(30px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-30px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes slideInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.8); }
  to { opacity: 1; transform: scale(1); }
}

@keyframes bounceIn {
  0% { opacity: 0; transform: scale(0.3); }
  50% { transform: scale(1.05); }
  70% { transform: scale(0.95); }
  100% { opacity: 1; transform: scale(1); }
}

@keyframes toastIn {
  from { opacity: 0; transform: translateX(100px) scale(0.95); }
  to { opacity: 1; transform: translateX(0) scale(1); }
}

@keyframes toastOut {
  from { opacity: 1; transform: translateX(0) scale(1); }
  to { opacity: 0; transform: translateX(100px) scale(0.95); }
}

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

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  10%, 30%, 50%, 70%, 90% { transform: translateX(-4px); }
  20%, 40%, 60%, 80% { transform: translateX(4px); }
}

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

@keyframes ripple {
  0% { transform: scale(0); opacity: 0.6; }
  100% { transform: scale(4); opacity: 0; }
}

@keyframes flyToCart {
  0% {
    opacity: 1;
    transform: translate(0, 0) scale(1);
  }
  50% {
    opacity: 0.8;
    transform: translate(var(--fly-x), var(--fly-y)) scale(0.5);
  }
  100% {
    opacity: 0;
    transform: translate(var(--fly-x), var(--fly-y)) scale(0);
  }
}

@keyframes heartBeat {
  0% { transform: scale(1); }
  15% { transform: scale(1.3); }
  30% { transform: scale(1); }
  45% { transform: scale(1.15); }
  60% { transform: scale(1); }
}

@keyframes checkmark {
  0% { stroke-dashoffset: 30; }
  100% { stroke-dashoffset: 0; }
}

@keyframes confetti-fall {
  0% { transform: translateY(-100%) rotate(0deg); opacity: 1; }
  100% { transform: translateY(100vh) rotate(720deg); opacity: 0; }
}

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

@keyframes cartBounce {
  0%, 100% { transform: scale(1); }
  30% { transform: scale(1.2); }
  60% { transform: scale(0.95); }
}

@keyframes badgePop {
  0% { transform: scale(0); }
  60% { transform: scale(1.3); }
  100% { transform: scale(1); }
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-10px); max-height: 0; }
  to { opacity: 1; transform: translateY(0); max-height: 500px; }
}

@keyframes progressBar {
  from { width: 100%; }
  to { width: 0%; }
}

/* === 飞入购物车动画 === */
.fly-to-cart {
  position: fixed;
  z-index: 9999;
  pointer-events: none;
  border-radius: 50%;
  overflow: hidden;
  animation: flyToCart 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
  box-shadow: 0 4px 20px rgba(0,0,0,0.2);
}

/* === 按钮波纹效果 === */
.btn-ripple {
  position: relative;
  overflow: hidden;
}

.btn-ripple::after {
  content: '';
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  pointer-events: none;
  background-image: radial-gradient(circle, rgba(255,255,255,0.3) 10%, transparent 10.01%);
  background-repeat: no-repeat;
  background-position: 50%;
  transform: scale(10, 10);
  opacity: 0;
  transition: transform 0.5s, opacity 1s;
}

.btn-ripple:active::after {
  transform: scale(0, 0);
  opacity: 0.3;
  transition: 0s;
}

/* === 添加到购物车按钮动画 === */
.btn-add-to-cart {
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.btn-add-to-cart .btn-text {
  transition: all 0.3s ease;
}

.btn-add-to-cart .btn-icon-add {
  transition: all 0.3s ease;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%) scale(0);
  opacity: 0;
}

.btn-add-to-cart.adding .btn-text {
  transform: translateY(40px);
  opacity: 0;
}

.btn-add-to-cart.adding .btn-icon-add {
  transform: translate(-50%, -50%) scale(1);
  opacity: 1;
}

.btn-add-to-cart.added {
  background: var(--success) !important;
}

/* === 心形按钮动画 === */
.heart-animation {
  animation: heartBeat 0.6s ease;
}

/* === 购物车徽标弹跳 === */
.badge-bounce {
  animation: badgePop 0.3s ease, cartBounce 0.4s ease;
}

/* === 单元格悬停效果 === */
.card-stagger {
  opacity: 0;
  transform: translateY(30px);
}

.card-stagger.visible {
  animation: fadeInUp 0.6s ease forwards;
}

/* === 页面过渡 === */
.page-enter {
  animation: fadeIn 0.3s ease;
}

/* === 加载旋转器 === */
.spinner {
  width: 20px; height: 20px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top: 2px solid white;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  display: inline-block;
}

.spinner-dark {
  border-color: rgba(0,0,0,0.1);
  border-top-color: var(--text);
}

/* === 下拉滑入动画 === */
.dropdown-enter {
  animation: slideDown 0.3s ease forwards;
  overflow: hidden;
}

/* === 交错动画延迟工具类 === */
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }
.delay-5 { animation-delay: 0.5s; }

/* === 减少动画偏好 === */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}