/**
 * 天偌装修平台 - 页面过渡动画样式
 * 提供丝滑的页面跳转和元素入场体验
 */

/* =============================================
   页面入场动画
   ============================================= */

/* 页面加载时默认可见 (View Transitions API 处理跨页面动画) */
body {
  opacity: 1;
}

/* 页面离开动画 */
body.page-leave {
  opacity: 0;
  transform: scale(0.98);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

/* =============================================
   元素入场动画
   ============================================= */

/* 从下方淡入 */
.fade-in-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-up.animated {
  opacity: 1;
  transform: translateY(0);
}

/* 从左侧淡入 */
.fade-in-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-left.animated {
  opacity: 1;
  transform: translateX(0);
}

/* 从右侧淡入 */
.fade-in-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-right.animated {
  opacity: 1;
  transform: translateX(0);
}

/* 缩放进入 */
.scale-in {
  opacity: 0;
  transform: scale(0.9);
  transition: opacity 0.5s ease, transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.scale-in.animated {
  opacity: 1;
  transform: scale(1);
}

/* 旋转进入 */
.rotate-in {
  opacity: 0;
  transform: rotate(-10deg) scale(0.9);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.rotate-in.animated {
  opacity: 1;
  transform: rotate(0) scale(1);
}

/* =============================================
   延迟类 (用于错开动画)
   ============================================= */
.delay-1 { transition-delay: 0.1s; animation-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; animation-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; animation-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; animation-delay: 0.4s; }
.delay-5 { transition-delay: 0.5s; animation-delay: 0.5s; }
.delay-6 { transition-delay: 0.6s; animation-delay: 0.6s; }
.delay-7 { transition-delay: 0.7s; animation-delay: 0.7s; }
.delay-8 { transition-delay: 0.8s; animation-delay: 0.8s; }

/* =============================================
   卡片悬浮效果增强
   ============================================= */
.card,
.news-card,
.provider-card,
.case-card,
.team-card,
.community-post,
.quick-link-card {
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.card:hover,
.news-card:hover,
.provider-card:hover,
.case-card:hover,
.team-card:hover,
.community-post:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.08), 0 4px 8px rgba(0, 0, 0, 0.04);
}

/* 快捷入口卡片 */
.quick-link-card {
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.quick-link-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 16px 32px rgba(224, 123, 57, 0.15);
}

/* =============================================
   按钮微动效
   ============================================= */
.btn {
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.6s ease, height 0.6s ease;
}

.btn:active::before {
  width: 300px;
  height: 300px;
}

.btn-primary {
  background-size: 200% auto;
  background-image: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 50%, var(--primary) 100%);
  transition: all 0.3s ease, background-position 0.5s ease;
}

.btn-primary:hover {
  background-position: right center;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(224, 123, 57, 0.3);
}

/* =============================================
   导航栏动效
   ============================================= */
.navbar {
  transition: all 0.3s ease;
}

.navbar.scrolled {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  backdrop-filter: blur(20px);
}

.navbar-nav a {
  position: relative;
  transition: all 0.25s ease;
}

.navbar-nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  transform: translateX(-50%);
  border-radius: 1px;
}

.navbar-nav a:hover::after,
.navbar-nav a.active::after {
  width: 24px;
}

/* =============================================
   下拉菜单动效
   ============================================= */
.dropdown-menu {
  opacity: 0;
  transform: translateY(-10px) scale(0.95);
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  pointer-events: none;
}

.nav-dropdown:hover .dropdown-menu {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

/* =============================================
   表单焦点动效
   ============================================= */
.form-control {
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.form-control:focus {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(224, 123, 57, 0.15);
}

/* =============================================
   滚动进度条
   ============================================= */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--primary-light));
  z-index: 9999;
  transition: width 0.1s ease;
}

/* =============================================
   骨架屏加载动画
   ============================================= */
@keyframes skeleton-loading {
  0% {
    background-position: -200px 0;
  }
  100% {
    background-position: calc(200px + 100%) 0;
  }
}

.skeleton {
  background-color: #f0f0f0;
  background-image: linear-gradient(90deg, #f0f0f0, #e0e0e0, #f0f0f0);
  background-size: 200px 100%;
  background-repeat: no-repeat;
  animation: skeleton-loading 1.5s ease-in-out infinite;
  border-radius: 4px;
}

/* =============================================
   加载状态动画
   ============================================= */
@keyframes pulse-opacity {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.loading-pulse {
  animation: pulse-opacity 1.5s ease-in-out infinite;
}

/* =============================================
   进入/离开过渡
   ============================================= */
.fade-enter-active,
.fade-leave-active {
  transition: opacity 0.3s ease;
}

.fade-enter-from,
.fade-leave-to {
  opacity: 0;
}

.slide-up-enter-active,
.slide-up-leave-active {
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.slide-up-enter-from {
  opacity: 0;
  transform: translateY(20px);
}

.slide-up-leave-to {
  opacity: 0;
  transform: translateY(-20px);
}

/* =============================================
   View Transitions API 支持
   ============================================= */
@view-transition {
  navigation: auto;
}

::view-transition-old(root) {
  animation: view-fade-out 0.25s ease forwards;
}

::view-transition-new(root) {
  animation: view-fade-in 0.35s ease forwards;
}

@keyframes view-fade-out {
  from {
    opacity: 1;
    transform: scale(1);
  }
  to {
    opacity: 0;
    transform: scale(0.95);
  }
}

@keyframes view-fade-in {
  from {
    opacity: 0;
    transform: scale(1.05);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

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

  body {
    opacity: 1 !important;
  }

  .fade-in-up,
  .fade-in-left,
  .fade-in-right,
  .scale-in,
  .rotate-in {
    opacity: 1 !important;
    transform: none !important;
  }
}