/* UI工具库样式 */

/* Toast 提示样式 */
.toast {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%) translateY(-100px);
  padding: 12px 24px;
  border-radius: 8px;
  color: white;
  font-size: 14px;
  z-index: 10000;
  display: flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  transition: transform 0.3s ease, opacity 0.3s ease;
  opacity: 0;
  max-width: 90%;
  word-wrap: break-word;
}

.toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

.toast-success {
  background: linear-gradient(135deg, #4caf50 0%, #45a049 100%);
}

.toast-error {
  background: linear-gradient(135deg, #ff4757 0%, #ff3838 100%);
}

.toast-warning {
  background: linear-gradient(135deg, #ff9800 0%, #f57c00 100%);
}

.toast-info {
  background: linear-gradient(135deg, #1976d2 0%, #1565c0 100%);
}

.toast-icon {
  font-size: 18px;
  font-weight: bold;
}

.toast-message {
  flex: 1;
}

/* 表单验证错误样式 */
.field-error {
  color: var(--error-color);
  font-size: 12px;
  margin-top: 4px;
  display: none;
  animation: shake 0.3s ease;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-5px); }
  75% { transform: translateX(5px); }
}

.input.error {
  border-color: var(--error-color) !important;
  box-shadow: 0 0 0 2px rgba(255, 71, 87, 0.1);
}

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

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

/* 图片懒加载样式 */
img[data-src] {
  opacity: 0;
  transition: opacity 0.3s ease;
}

img.loaded {
  opacity: 1;
}

/* 加载动画增强 */
.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(102, 126, 234, 0.95) 0%, rgba(118, 75, 162, 0.95) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.3s ease;
}

.loading-content {
  text-align: center;
  color: white;
}

.loading-spinner {
  width: 50px;
  height: 50px;
  border: 4px solid rgba(255, 255, 255, 0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto 16px;
}

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

.loading-text {
  font-size: 16px;
  font-weight: 500;
  animation: pulse 1.5s ease-in-out infinite;
}

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

/* 按钮微交互 */
.btn {
  position: relative;
  overflow: hidden;
  transition: all 0.2s ease;
}

.btn:active {
  transform: scale(0.98);
}

.btn:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* 卡片悬浮效果 */
.card-hover {
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card-hover:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

/* 输入框焦点效果 */
.input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
  transition: all 0.2s ease;
}

/* 滚动条美化 */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: #f1f1f1;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(135deg, #5a6fd8 0%, #6a3d96 100%);
}

/* 骨架屏动画 */
.skeleton {
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s infinite;
}

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

/* 页面过渡动画 */
.page-enter {
  opacity: 0;
  transform: translateY(20px);
}

.page-enter-active {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.page-exit {
  opacity: 1;
  transform: translateY(0);
}

.page-exit-active {
  opacity: 0;
  transform: translateY(-20px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

/* 响应式优化 */
@media (max-width: 768px) {
  .toast {
    width: calc(100% - 40px);
    padding: 10px 16px;
    font-size: 13px;
  }
  
  .loading-spinner {
    width: 40px;
    height: 40px;
  }
  
  .loading-text {
    font-size: 14px;
  }
}

/* 无障碍优化 */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    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) {
  .toast {
    border: 2px solid white;
  }
  
  .input.error {
    border-width: 2px;
  }
}

/* 打印样式 */
@media print {
  .toast,
  .loading-overlay,
  .btn {
    display: none !important;
  }
}