@charset "utf-8";

/**
 * 浮动按钮组件
 * 包含回到顶部和返回首页按钮
 */

/* 浮动按钮容器 */
.floating-buttons {
  position: fixed;
  bottom: 32px;
  right: 32px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 9999;
}

/* 单个浮动按钮 */
.floating-btn {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background-color: var(--bg-white);
  color: var(--primary-blue);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--duration-normal) ease;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  text-decoration: none;
}

.floating-btn:hover {
  background-color: var(--primary-blue);
  color: var(--text-white);
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(52, 125, 248, 0.3);
}

.floating-btn:active {
  transform: translateY(-2px);
}

.floating-btn svg {
  width: 24px;
  height: 24px;
}

/* 回到顶部按钮 - 默认隐藏 */
#scrollToTopBtn {
  display: none;
}

/* 显示状态 */
#scrollToTopBtn.show {
  display: flex;
}

/* 移动端适配 */
@media (max-width: 768px) {
  .floating-buttons {
    bottom: 20px;
    right: 20px;
    gap: 10px;
  }
  
  .floating-btn {
    width: 48px;
    height: 48px;
  }
  
  .floating-btn svg {
    width: 20px;
    height: 20px;
  }
}

/* 深色模式 */
@media (prefers-color-scheme: dark) {
  .floating-btn {
    background-color: #2d3748;
    color: var(--primary-blue-light);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  }
  
  .floating-btn:hover {
    background-color: var(--primary-blue-light);
    color: #1a202c;
    box-shadow: 0 8px 24px rgba(77, 143, 255, 0.3);
  }
}