/* 高级动画和深色模式样式 */

/* 深色模式变量 */
:root {
  --bg-primary: #ffffff;
  --bg-secondary: #f8f9fa;
  --text-primary: #000000;
  --text-secondary: #6c757d;
  --border-color: #dee2e6;
}


/* 动画关键帧 */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

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

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

@keyframes bounce {
  0%, 20%, 53%, 80%, 100% {
    transform: translate3d(0,0,0);
  }
  40%, 43% {
    transform: translate3d(0, -8px, 0);
  }
  70% {
    transform: translate3d(0, -4px, 0);
  }
  90% {
    transform: translate3d(0, -2px, 0);
  }
}

/* 动画类 */
.animate-fade-in {
  animation: fadeIn 0.6s ease-out;
}

.animate-slide-in {
  animation: slideIn 0.4s ease-out;
}

.animate-scale-in {
  animation: scaleIn 0.3s ease-out;
}

.animate-pulse {
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

.animate-bounce {
  animation: bounce 1s infinite;
}

/* 悬停效果 */
.hover-lift {
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.hover-lift:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

/* 卡片增强效果 */
.dewu-card {
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.dewu-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s;
}

.dewu-card:hover::before {
  left: 100%;
}

/* 加载动画 */
.loading-spinner {
  width: 20px;
  height: 20px;
  border: 2px solid #f3f3f3;
  border-top: 2px solid #57BFC1;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

/* 骨架屏动画 */
.skeleton {
  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;
  }
}

/* 深色模式骨架屏 */

/* 通知动画 */
.notification-enter {
  animation: slideInRight 0.3s ease-out;
}

.notification-exit {
  animation: slideOutRight 0.3s ease-in;
}

@keyframes slideInRight {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

@keyframes slideOutRight {
  from {
    transform: translateX(0);
    opacity: 1;
  }
  to {
    transform: translateX(100%);
    opacity: 0;
  }
}

/* 按钮增强效果 */
.btn-enhanced {
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
}

.btn-enhanced::before {
  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::before {
  width: 300px;
  height: 300px;
}

/* 响应式改进 */
@media (max-width: 640px) {
  .dewu-card {
    margin-bottom: 12px;
  }
  
  .animate-fade-in {
    animation-duration: 0.4s;
  }
}

/* 可访问性改进 */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* 高对比度模式 */
@media (prefers-contrast: high) {
  .dewu-card {
    border: 2px solid;
  }
  
  .btn-enhanced {
    border: 2px solid;
  }
}

/* 打印样式 */
@media print {
  .fixed,
  .sticky {
    position: static !important;
  }
  
  .no-print {
    display: none !important;
  }
}