/* 用户体验增强样式 */

/* 1. 页面加载动画 */
.page-loader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--card-background);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.3s ease;
}

.page-loader.fade-out {
  opacity: 0;
  pointer-events: none;
}

.loader-spinner {
  width: 0.8rem;
  height: 0.8rem;
  border: 0.1rem solid rgba(70, 213, 190, 0.3);
  border-top: 0.1rem solid var(--primary-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}



/* 2. 卡片悬停效果 */
.card-hover {
  transition: all 0.3s ease;
  transform: translateY(0);
}

.card-hover:hover {
  transform: translateY(-0.1rem);
  box-shadow: 0 0.2rem 0.4rem rgba(0, 0, 0, 0.1);
}

/* 3. 按钮交互增强 */
.btn-enhanced {
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
}

.btn-enhanced::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.btn-enhanced:active::after {
  width: 300%;
  height: 300%;
}

/* 4. 图片加载效果 */
.img-loading {
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: loading 1.5s infinite;
}

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

.img-loaded {
  animation: fadeIn 0.3s ease-in;
}

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

/* 5. 表单焦点增强 */
.form-field-focus {
  position: relative;
}

.form-field-focus::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 0.04rem;
  background: var(--primary-color);
  transition: width 0.3s ease;
}

.form-field-focus:focus-within::after {
  width: 100%;
}

/* 6. 滚动条美化 */
::-webkit-scrollbar {
  width: 0.1rem;
}

::-webkit-scrollbar-track {
  background: var(--background-color);
}

::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 0.1rem;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-tertiary);
}

/* 7. 骨架屏效果 */
.skeleton {
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s infinite;
  border-radius: 0.1rem;
}

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

/* 8. 工具提示 */
.tooltip {
  position: relative;
  display: inline-block;
}

.tooltip .tooltip-text {
  visibility: hidden;
  width: 2rem;
  background-color: rgba(0, 0, 0, 0.8);
  color: #fff;
  text-align: center;
  border-radius: 0.1rem;
  padding: 0.1rem;
  position: absolute;
  z-index: 1;
  bottom: 125%;
  left: 50%;
  margin-left: -1rem;
  opacity: 0;
  transition: opacity 0.3s;
  font-size: 0.2rem;
}

.tooltip .tooltip-text::after {
  content: "";
  position: absolute;
  top: 100%;
  left: 50%;
  margin-left: -0.1rem;
  border-width: 0.1rem;
  border-style: solid;
  border-color: rgba(0, 0, 0, 0.8) transparent transparent transparent;
}

.tooltip:hover .tooltip-text {
  visibility: visible;
  opacity: 1;
}

/* 9. 进度条动画 */
.progress-bar {
  height: 0.1rem;
  background: var(--border-color);
  border-radius: 0.1rem;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: var(--primary-color);
  border-radius: 0.1rem;
  transition: width 0.3s ease;
}

/* 10. 弹窗动画 */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  background: var(--card-background);
  border-radius: 0.2rem;
  box-shadow: 0 0.2rem 0.5rem rgba(0, 0, 0, 0.2);
  transform: scale(0.7);
  transition: transform 0.3s ease;
}

.modal-overlay.active .modal-content {
  transform: scale(1);
}

/* 11. 下拉刷新增强 */
.pull-to-refresh {
  position: relative;
  overflow: hidden;
}

.pull-to-refresh-indicator {
  position: absolute;
  top: -0.8rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 0.6rem;
  height: 0.6rem;
  background: var(--card-background);
  border-radius: 50%;
  box-shadow: 0 0.05rem 0.15rem rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
}

.pull-to-refresh.pulling .pull-to-refresh-indicator {
  top: 0.2rem;
}

.pull-to-refresh.refreshing .pull-to-refresh-indicator {
  top: 0.2rem;
  animation: spin 1s linear infinite;
}

/* 12. 底部导航栏增强 */
.footer-nav-enhanced {
  display: flex;
  justify-content: space-around;
  align-items: center;
  padding: 0.1rem 0;
  background: var(--card-background);
  border-top: 1px solid var(--border-color);
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 100;
  transition: all 0.3s ease;
}

.footer-nav-item-enhanced {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex: 1;
  padding: 0.1rem 0;
  text-align: center;
  color: var(--text-tertiary);
  font-size: 0.2rem;
  transition: all 0.3s ease;
  position: relative;
}

.footer-nav-item-enhanced.active {
  color: var(--primary-color);
}

.footer-nav-item-enhanced::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 0.04rem;
  background: var(--primary-color);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.footer-nav-item-enhanced.active::after {
  transform: scaleX(1);
}

/* 13. 返回顶部按钮 */
.back-to-top {
  position: fixed;
  bottom: 1.2rem;
  right: 0.3rem;
  width: 0.8rem;
  height: 0.8rem;
  background: var(--primary-color);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0.1rem 0.3rem rgba(0, 0, 0, 0.2);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  z-index: 99;
}

.back-to-top.show {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  transform: translateY(-0.1rem);
}

/* 14. 内容区域动画 */
.content-fade-in {
  animation: contentFadeIn 0.5s ease-out;
}

@keyframes contentFadeIn {
  from {
    opacity: 0;
    transform: translateY(0.2rem);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 15. 卡片展开动画 */
.card-expand {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.card-expand.expanded {
  max-height: 10rem;
}

/* 16. 标签页切换动画 */
.tab-transition-enter-active,
.tab-transition-leave-active {
  transition: all 0.3s ease;
}

.tab-transition-enter {
  opacity: 0;
  transform: translateX(0.2rem);
}

.tab-transition-leave-to {
  opacity: 0;
  transform: translateX(-0.2rem);
}

/* 17. 浮动动画 */
.float-animation {
  animation: float 3s ease-in-out infinite;
}

@keyframes float {
  0% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-0.5rem);
  }
  100% {
    transform: translateY(0);
  }
}

/* 18. 脉冲动画 */
.pulse-animation {
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(70, 213, 190, 0.3);
  }
  70% {
    box-shadow: 0 0 0 0.5rem rgba(70, 213, 190, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(70, 213, 190, 0);
  }
}

/* 19. 悬停放大效果 */
.hover-scale {
  transition: transform 0.3s ease;
}

.hover-scale:hover {
  transform: scale(1.05);
}

/* 20. 渐现动画 */
.fade-in-animation {
  animation: fadeIn 0.5s ease-in;
}

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

/* 21. 页面切换动画 */
.page-transition-enter-active,
.page-transition-leave-active {
  transition: all 0.3s ease;
}

.page-transition-enter {
  opacity: 0;
  transform: translateX(1rem);
}

.page-transition-leave-to {
  opacity: 0;
  transform: translateX(-1rem);
}

/* 22. 弹跳动画 */
.bounce-animation {
  animation: bounce 1s ease infinite;
}

@keyframes bounce {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-0.5rem);
  }
}

/* 23. 旋转动画 */
.rotate-animation {
  animation: rotate 2s linear infinite;
}

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

/* 24. 缩放动画 */
.scale-animation {
  animation: scale 1s ease-in-out infinite alternate;
}

@keyframes scale {
  from {
    transform: scale(1);
  }
  to {
    transform: scale(1.1);
  }
}

/* 25. 彩虹动画 */
.rainbow-animation {
  animation: rainbow 3s linear infinite;
}

@keyframes rainbow {
  0% { filter: hue-rotate(0deg); }
  100% { filter: hue-rotate(360deg); }
}

/* 26. 渐变背景动画 */
.gradient-bg-animation {
  background: linear-gradient(-45deg, var(--primary-color), var(--accent-color), var(--vibrant-color), var(--cool-color));
  background-size: 400% 400%;
  animation: gradientBG 15s ease infinite;
}

@keyframes gradientBG {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}