/* 上海三安档案管理网站 - 动画效果CSS */

/* 页面加载动画 */
.page-loading {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #0650a0, #007bff);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  transition: opacity 0.5s ease-out;
}

.page-loading.hidden {
  opacity: 0;
  pointer-events: none;
}

.loading-spinner {
  width: 60px;
  height: 60px;
  border: 4px solid rgba(255, 255, 255, 0.3);
  border-top: 4px solid #ffffff;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

.loading-text {
  color: white;
  margin-top: 20px;
  font-size: 18px;
  font-weight: 500;
}

/* 淡入动画 */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease-out;
}

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

/* 卡片悬停效果 */
.card {
  transition: all 0.3s ease;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.square-card:hover {
  transform: scale(1.02);
}

/* 按钮动画 */
.btn {
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.btn:active {
  transform: translateY(0);
}

/* 波纹效果 */
.btn::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

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

/* 导航链接动画 */
.navbar-nav .nav-link {
  position: relative;
  transition: color 0.3s ease;
}

.navbar-nav .nav-link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: #0650a0;
  transition: all 0.3s ease;
  transform: translateX(-50%);
}

.navbar-nav .nav-link:hover::after,
.navbar-nav .nav-link.active::after {
  width: 100%;
}

/* 表单进度条 */
.form-progress {
  width: 100%;
  height: 4px;
  background: #e9ecef;
  border-radius: 2px;
  overflow: hidden;
  margin-bottom: 20px;
}

.form-progress-bar {
  height: 100%;
  background: linear-gradient(90deg, #0650a0, #007bff);
  border-radius: 2px;
  transition: width 0.3s ease;
  width: 0%;
}

/* 输入框焦点动画 */
.form-control {
  transition: all 0.3s ease;
  border: 2px solid transparent;
}

.form-control:focus {
  border-color: #0650a0;
  box-shadow: 0 0 0 0.2rem rgba(6, 80, 160, 0.25);
  transform: translateY(-1px);
}

/* 图片悬停效果 */
.img-hover-zoom {
  overflow: hidden;
  border-radius: 8px;
}

.img-hover-zoom img {
  transition: transform 0.3s ease;
}

.img-hover-zoom:hover img {
  transform: scale(1.1);
}

/* 滚动指示器 */
.scroll-indicator {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: #e9ecef;
  z-index: 1000;
}

.scroll-indicator-bar {
  height: 100%;
  background: linear-gradient(90deg, #0650a0, #007bff);
  width: 0%;
  transition: width 0.1s ease;
}

/* 返回顶部按钮动画 */
#backToTop {
  transition: all 0.3s ease;
}

#backToTop:hover {
  transform: translateY(-3px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

/* 模态框动画增强 */
.modal.fade .modal-dialog {
  transition: transform 0.3s ease-out;
  transform: translate(0, -50px);
}

.modal.show .modal-dialog {
  transform: none;
}

/* 服务卡片悬停效果 */
.service-card {
  transition: all 0.3s ease;
  cursor: pointer;
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

/* 徽章动画 */
.badge {
  transition: all 0.3s ease;
}

.badge:hover {
  transform: scale(1.1);
}

/* 图标动画 */
.bi {
  transition: transform 0.3s ease;
}

.card:hover .bi {
  transform: scale(1.2);
}

/* 页面切换动画 */
.page-transition {
  animation: pageSlideIn 0.5s ease-out;
}

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

/* 响应式动画调整 */
@media (max-width: 768px) {
  .fade-in {
    transform: translateY(20px);
  }

  .card:hover {
    transform: none;
  }

  .service-card:hover {
    transform: none;
  }
}

/* 深色模式样式 */
.dark-theme {
  --bg-primary: #1a1a1a;
  --bg-secondary: #2d2d2d;
  --text-primary: #ffffff;
  --text-secondary: #cccccc;
  --border-color: #404040;
  --card-bg: #2d2d2d;
  --navbar-bg: #1a1a1a;
}

.dark-theme body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
}

.dark-theme .navbar {
  background-color: var(--navbar-bg) !important;
  border-bottom: 1px solid var(--border-color);
}

.dark-theme .card {
  background-color: var(--card-bg);
  border-color: var(--border-color);
  color: var(--text-primary);
}

.dark-theme .form-control {
  background-color: var(--bg-secondary);
  border-color: var(--border-color);
  color: var(--text-primary);
}

.dark-theme .form-control:focus {
  background-color: var(--bg-secondary);
  color: var(--text-primary);
}

.dark-theme .btn-outline-secondary {
  color: var(--text-primary);
  border-color: var(--border-color);
}

.dark-theme .btn-outline-secondary:hover {
  background-color: var(--bg-secondary);
  color: var(--text-primary);
}

.dark-theme footer {
  background-color: var(--navbar-bg);
  color: var(--text-secondary);
  border-top: 1px solid var(--border-color);
}

.dark-theme .bg-light {
  background-color: var(--bg-secondary) !important;
  color: var(--text-primary);
}

.dark-theme .text-muted {
  color: var(--text-secondary) !important;
}

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