/**
 * 茶九度茶饮培训 - 动画效果库
 * Animation Library
 */

/* ========== 流体波浪背景动画 ========== */
.wave-container {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 280px;
  overflow: hidden;
  z-index: 0;
}

.wave-bg {
  position: absolute;
  width: 200%;
  height: 100%;
  background: var(--gradient-primary-vertical);
  border-radius: 0 0 50% 50%;
}

/* 多层波浪SVG */
.wave-svg {
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 200%;
  height: 80px;
}

.wave-layer-1 {
  animation: wave-flow 8s linear infinite;
  opacity: 0.6;
}

.wave-layer-2 {
  animation: wave-flow 12s linear infinite reverse;
  opacity: 0.4;
}

.wave-layer-3 {
  animation: wave-flow 10s linear infinite;
  opacity: 0.8;
}

@keyframes wave-flow {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* 渐变波浪路径 */
.wave-path {
  fill: var(--color-bg-page);
}

/* ========== 视差滚动效果 ========== */
.parallax-container {
  perspective: 1000px;
  overflow: hidden;
}

.parallax-bg {
  transform: translateZ(-100px) scale(1.1);
  position: absolute;
  inset: 0;
}

.parallax-content {
  transform: translateZ(0);
  position: relative;
}

/* JS控制的视差滚动 */
[data-parallax] {
  transition: transform 0.1s linear;
}

/* ========== 页面切换动画 ========== */

/* 从右滑入 */
.page-enter {
  animation: page-slide-in-right 0.3s ease-out;
}

@keyframes page-slide-in-right {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

/* 从左滑出 */
.page-leave {
  animation: page-slide-out-left 0.3s ease-in;
}

@keyframes page-slide-out-left {
  from {
    transform: translateX(0);
    opacity: 1;
  }
  to {
    transform: translateX(-30%);
    opacity: 0;
  }
}

/* 从下滑入（弹窗） */
.slide-up-enter {
  animation: slide-up 0.3s ease-out;
}

@keyframes slide-up {
  from {
    transform: translateY(100%);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

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

@keyframes fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

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

@keyframes fade-out {
  from { opacity: 1; }
  to { opacity: 0; }
}

/* 缩放淡入 */
.scale-in {
  animation: scale-in 0.3s var(--transition-bounce);
}

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

/* ========== 3D卡片悬浮效果 ========== */
.card-hover-3d {
  transition: all var(--transition-normal);
  transform-style: preserve-3d;
}

.card-hover-3d:hover {
  transform: translateY(-8px) rotateX(-2deg) rotateY(2deg);
  box-shadow: 
    var(--shadow-xl),
    0 20px 40px rgba(255, 107, 53, 0.1);
}

/* 卡片内容3D层次 */
.card-hover-3d .card-image {
  transform: translateZ(20px);
}

.card-hover-3d .card-content {
  transform: translateZ(40px);
}

/* ========== 按钮点击效果 ========== */
.btn-press {
  transition: transform var(--transition-fast);
}

.btn-press:active {
  transform: scale(0.96);
}

/* 水波纹点击效果 */
.ripple {
  position: relative;
  overflow: hidden;
}

.ripple-effect {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.4);
  transform: scale(0);
  animation: ripple-expand 0.6s ease-out;
  pointer-events: none;
}

@keyframes ripple-expand {
  to {
    transform: scale(4);
    opacity: 0;
  }
}

/* ========== 加载动画 ========== */

/* 旋转加载 */
.loading-spin {
  animation: spin 1s linear infinite;
}

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

/* 脉冲加载 */
.loading-pulse {
  animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* 弹跳加载点 */
.loading-dots {
  display: flex;
  gap: var(--space-sm);
}

.loading-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-primary);
  animation: dot-bounce 1.4s ease-in-out infinite;
}

.loading-dot:nth-child(1) { animation-delay: 0s; }
.loading-dot:nth-child(2) { animation-delay: 0.2s; }
.loading-dot:nth-child(3) { animation-delay: 0.4s; }

@keyframes dot-bounce {
  0%, 80%, 100% { transform: scale(0.6); opacity: 0.4; }
  40% { transform: scale(1); opacity: 1; }
}

/* 品牌色加载环 */
.loading-ring {
  width: 40px;
  height: 40px;
  border: 3px solid var(--color-border-light);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

/* ========== 数字滚动动画 ========== */
.number-scroll {
  display: inline-block;
  overflow: hidden;
}

.number-scroll-inner {
  animation: number-roll 0.5s ease-out;
}

@keyframes number-roll {
  from {
    transform: translateY(-100%);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

/* ========== 列表项进入动画 ========== */
.list-item-enter {
  animation: list-item-slide 0.3s ease-out;
  animation-fill-mode: backwards;
}

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

/* 交错动画延迟 */
.stagger-item:nth-child(1) { animation-delay: 0.05s; }
.stagger-item:nth-child(2) { animation-delay: 0.1s; }
.stagger-item:nth-child(3) { animation-delay: 0.15s; }
.stagger-item:nth-child(4) { animation-delay: 0.2s; }
.stagger-item:nth-child(5) { animation-delay: 0.25s; }
.stagger-item:nth-child(6) { animation-delay: 0.3s; }
.stagger-item:nth-child(7) { animation-delay: 0.35s; }
.stagger-item:nth-child(8) { animation-delay: 0.4s; }

/* ========== 轮播图动画 ========== */
.carousel-slide {
  transition: transform 0.5s ease-out, opacity 0.5s ease-out;
}

.carousel-slide.prev {
  transform: translateX(-100%);
  opacity: 0;
}

.carousel-slide.next {
  transform: translateX(100%);
  opacity: 0;
}

.carousel-slide.active {
  transform: translateX(0);
  opacity: 1;
}

/* 轮播指示器动画 */
.carousel-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
  transition: all var(--transition-normal);
}

.carousel-dot.active {
  width: 20px;
  border-radius: var(--radius-full);
  background: var(--color-text-white);
}

/* ========== 折叠展开动画 ========== */
.collapse-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out;
}

.collapse-content.expanded {
  max-height: 1000px;
}

/* 箭头旋转 */
.collapse-arrow {
  transition: transform var(--transition-normal);
}

.collapse-arrow.expanded {
  transform: rotate(180deg);
}

/* ========== 弹性动画 ========== */
.bounce-in {
  animation: bounce-in 0.5s var(--transition-spring);
}

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

/* 心跳动画（用于收藏等） */
.heartbeat {
  animation: heartbeat 0.3s ease-in-out;
}

@keyframes heartbeat {
  0% { transform: scale(1); }
  25% { transform: scale(1.3); }
  50% { transform: scale(1); }
  75% { transform: scale(1.2); }
  100% { transform: scale(1); }
}

/* ========== 抖动提示动画 ========== */
.shake {
  animation: shake 0.5s ease-in-out;
}

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

/* ========== 进度条动画 ========== */
.progress-bar {
  height: 4px;
  background: var(--color-border-light);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  transition: width 0.5s ease-out;
}

/* 条纹进度条 */
.progress-bar-striped .progress-bar-fill {
  background-image: linear-gradient(
    45deg,
    rgba(255, 255, 255, 0.15) 25%,
    transparent 25%,
    transparent 50%,
    rgba(255, 255, 255, 0.15) 50%,
    rgba(255, 255, 255, 0.15) 75%,
    transparent 75%,
    transparent
  );
  background-size: 20px 20px;
  animation: progress-stripe 1s linear infinite;
}

@keyframes progress-stripe {
  from { background-position: 20px 0; }
  to { background-position: 0 0; }
}

/* ========== 浮动动画 ========== */
.float {
  animation: float 3s ease-in-out infinite;
}

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

/* 不同延迟的浮动 */
.float-delay-1 { animation-delay: 0.5s; }
.float-delay-2 { animation-delay: 1s; }
.float-delay-3 { animation-delay: 1.5s; }

/* ========== 呼吸光效 ========== */
.glow-breath {
  animation: glow-breath 2s ease-in-out infinite;
}

@keyframes glow-breath {
  0%, 100% {
    box-shadow: 0 0 20px rgba(255, 107, 53, 0.3);
  }
  50% {
    box-shadow: 0 0 40px rgba(255, 107, 53, 0.6);
  }
}

/* ========== 滑入可见动画（配合Intersection Observer） ========== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease-out;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-left {
  transform: translateX(-30px);
}

.reveal-left.visible {
  transform: translateX(0);
}

.reveal-right {
  transform: translateX(30px);
}

.reveal-right.visible {
  transform: translateX(0);
}

.reveal-scale {
  transform: scale(0.9);
}

.reveal-scale.visible {
  transform: scale(1);
}