/* 交互体验改进样式 */

/* 语言切换按钮样式 */
.language-switch button {
  padding: 5px 10px;
  margin: 0 3px;
  border: 1px solid var(--primary-color-light);
  background-color: transparent;
  color: var(--text-secondary);
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.language-switch button:hover {
  background-color: var(--secondary-color-light);
}

.language-switch button.active {
  background-color: var(--primary-color);
  color: var(--text-light);
  border-color: var(--primary-color);
  font-weight: 500;
}

.lang-toggle {
  padding: 5px 10px;
  border: 1px solid var(--primary-color-light);
  background-color: transparent;
  color: var(--text-secondary);
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.lang-toggle:hover {
  background-color: var(--secondary-color-light);
}

/* 加载状态指示器 */
.loading-indicator {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(255, 255, 255, 0.8);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.loading-indicator.active {
  opacity: 1;
  visibility: visible;
}

.loading-spinner {
  width: 50px;
  height: 50px;
  border: 5px solid var(--color-primary-light);
  border-top: 5px solid var(--color-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-bottom: 15px;
}

.loading-text {
  font-size: 1.2rem;
  color: var(--color-primary);
  font-weight: 500;
}

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

/* 页面过渡动画 */
.page-transition {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

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

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

/* 表单交互体验 */
.form-element-focused {
  border-color: var(--color-primary) !important;
  box-shadow: 0 0 0 2px rgba(var(--color-primary-rgb), 0.2) !important;
  outline: none !important;
}

label {
  position: relative;
  transition: transform 0.2s ease, color 0.2s ease;
}

.label-focused {
  transform: translateY(-20px) scale(0.8);
  color: var(--color-primary);
}

/* 工具提示 */
.tooltip {
  position: absolute;
  background-color: var(--color-dark);
  color: var(--color-light);
  padding: 8px 12px;
  border-radius: 4px;
  font-size: 0.9rem;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity 0.2s ease, visibility 0.2s ease, transform 0.2s ease;
  pointer-events: none;
  box-shadow: var(--shadow-md);
  max-width: 200px;
  text-align: center;
}

.tooltip::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-top: 5px solid var(--color-dark);
}

.tooltip.active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* 拖放功能 */
.draggable {
  cursor: grab;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.draggable.dragging {
  opacity: 0.8;
  transform: scale(1.05);
  box-shadow: var(--shadow-lg);
  cursor: grabbing;
}

.drop-zone {
  border: 2px dashed var(--color-border);
  border-radius: 8px;
  padding: 20px;
  transition: background-color 0.2s ease, border-color 0.2s ease;
}

.drop-zone.drag-over {
  background-color: rgba(var(--color-primary-rgb), 0.1);
  border-color: var(--color-primary);
}

/* 暗色模式适配 */
@media (prefers-color-scheme: dark) {
  .loading-indicator {
    background-color: rgba(0, 0, 0, 0.8);
  }
  
  .tooltip {
    background-color: var(--color-light);
    color: var(--color-dark);
  }
  
  .tooltip::after {
    border-top-color: var(--color-light);
  }
  
  .drop-zone {
    border-color: var(--color-border-dark);
  }
  
  .drop-zone.drag-over {
    background-color: rgba(var(--color-primary-rgb), 0.2);
  }
}