newechoes/src/styles/articles-code.css

/* 代码块容器样式 - 简化背景和阴影 */
.code-block-container {
  margin: 1rem 0;
  border-radius: 0.5rem;
  overflow: hidden;
  border: 1px solid #e2e8f0;
  background-color: transparent;
  position: relative;
}

/* 代码块标题栏 */
.code-block-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.4rem 0.8rem;
  background-color: #f1f5f9;
  border-bottom: 1px solid #e2e8f0;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 0.875rem;
}

/* 代码语言标签 */
.code-block-lang {
  font-weight: 600;
  color: #475569;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.code-block-lang svg {
  width: 1rem;
  height: 1rem;
}

/* 复制按钮 */
.code-block-copy {
  background: transparent;
  border: none;
  cursor: pointer;
  color: #475569;
  display: flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.25rem 0.5rem;
  border-radius: 0.25rem;
  font-size: 0.75rem;
  transition: all 0.2s ease;
}

.code-block-copy:hover {
  background-color: #e2e8f0;
}

.code-block-copy.copied {
  color: #10b981;
}

/* 代码内容容器 - 移除背景 */
.code-block-content {
  position: relative;
  overflow-x: auto;
  background-color: transparent;
}

/* 基础代码块样式 - 减小内边距 */
pre {
  margin: 0;
  padding: 0.2rem 0;
  overflow-x: auto;
}

pre code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 1.05rem;
  line-height: 1.5rem;
  padding: 0;
  display: block;
}

/* 行号样式 - 缩小间距 */
.line-numbers {
  counter-reset: line;
  position: relative;
}

/* 行号背景条 - 减小宽度 */
.line-numbers::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3rem;
  background-color: #f1f5f9;
  border-right: 1px solid #e2e8f0;
  z-index: 1;
}

/* 行样式 - 进一步减小行间距和缩进 */
.line-numbers .line {
  position: relative;
  counter-increment: line;
  padding-left: 3.5rem;
  padding-right: 0.5rem;
  min-height: 1.5rem;
  white-space: pre;
}

/* 行号 - 调整位置 */
.line-numbers .line::before {
  content: counter(line);
  position: absolute;
  left: 0;
  top: 0;
  width: 3rem;
  height: 100%;
  text-align: center;
  color: #94a3b8;
  font-size: 0.95rem;
  user-select: none;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* 暗色模式 */
[data-theme='dark'] .code-block-container {
  border-color: #334155;
  background-color: transparent;
}

[data-theme='dark'] .code-block-header {
  background-color: #1e293b;
  border-bottom-color: #334155;
}

[data-theme='dark'] .code-block-lang {
  color: #e2e8f0;
}

[data-theme='dark'] .code-block-copy {
  color: #e2e8f0;
}

[data-theme='dark'] .code-block-copy:hover {
  background-color: #334155;
}

/* 移除代码内容区域的黑暗模式背景 */
[data-theme='dark'] .code-block-content {
  background-color: transparent;
}

/* 暗色模式行号样式 */
[data-theme='dark'] .line-numbers::before {
  background-color: #1e293b;
  border-right-color: #334155;
}

[data-theme='dark'] .line-numbers .line::before {
  color: #64748b;
}

/* 兼容原有高亮 - 确保不添加背景 */
[data-theme='dark'] .shiki,
[data-theme='dark'] .shiki span {
  color: var(--shiki-dark) !important;
  background-color: transparent !important;
}

[data-theme='dark'] .astro-code,
[data-theme='dark'] .astro-code span {
  color: var(--shiki-dark) !important;
  background-color: transparent !important;
}

/* 确保所有代码元素没有背景 */
code, pre, .code-block-content,
.code-block-content pre.shiki,
.code-block-content pre.astro-code,
.code-block-content pre code,
.code-block-content pre code span,
pre.shiki, pre.astro-code,
.line, .line span {
  background-color: transparent !important;
}

/* 高亮行样式 - 仅保留边框而不添加背景 */
.line.highlighted {
  border-left: 2px solid #eab308;
  background-color: transparent !important;
}

[data-theme='dark'] .line.highlighted {
  border-left: 2px solid #fbbf24;
  background-color: transparent !important;
}