/* 代码块复制功能样式 */
.code-block-wrapper {
  position: relative;
  display: block;
  margin: 16px auto;
}

.copy-code-button {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 32px;
  height: 32px;
  background: rgba(0, 0, 0, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 6px;
  color: #ffffff;
  cursor: pointer;
  opacity: 0;
  transition: all 0.3s ease;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
}

.copy-code-button:hover {
  background: rgba(0, 0, 0, 0.85);
  color: #ffffff;
  transform: scale(1.1);
  border-color: rgba(255, 255, 255, 0.4);
}

.copy-code-button.copied {
  background: #10b981;
  color: white;
  border-color: #10b981;
}

.copy-code-button.copy-error {
  background: #ef4444;
  color: white;
  border-color: #ef4444;
}

.code-block-wrapper:hover .copy-code-button {
  opacity: 1;
}

/* 确保代码块容器有足够的空间 */
.code-block-wrapper pre,
.code-block-wrapper .highlight,
.code-block-wrapper figure {
  margin: 0;
  padding-right: 50px; /* 为复制按钮留出空间 */
}

/* 特别处理 figure.highlight 结构 */
.code-block-wrapper figure.highlight {
  position: relative;
}

.code-block-wrapper figure.highlight table {
  width: 100%;
}

.code-block-wrapper figure.highlight .code pre {
  padding-right: 50px;
}

/* 暗色主题下的样式调整 */
[theme="dark"] .copy-code-button {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.3);
  color: rgba(255, 255, 255, 0.9);
}

[theme="dark"] .copy-code-button:hover {
  background: rgba(255, 255, 255, 0.25);
  color: white;
  border-color: rgba(255, 255, 255, 0.5);
}

/* 白色主题下的样式 - 确保良好的对比度 */
[theme="light"] .copy-code-button {
  background: rgba(0, 0, 0, 0.75);
  border-color: rgba(0, 0, 0, 0.2);
  color: #ffffff;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

[theme="light"] .copy-code-button:hover {
  background: rgba(0, 0, 0, 0.9);
  color: #ffffff;
  border-color: rgba(0, 0, 0, 0.3);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
}

/* 响应式设计 */
@media (max-width: 768px) {
  .copy-code-button {
    width: 28px;
    height: 28px;
    font-size: 12px;
    top: 6px;
    right: 6px;
  }
  
  .code-block-wrapper pre,
  .code-block-wrapper .highlight {
    padding-right: 40px;
  }
}

/* 为小屏幕始终显示复制按钮 */
@media (max-width: 480px) {
  .copy-code-button {
    opacity: 0.7;
  }
}