/* Code block - GitHub style (match screenshot) */

/* Container: #f6f8fa background, subtle border, rounded corners */
.highlight {
  position: relative;
  margin: 1em 0;
  padding: 1rem;
  background-color: var(--md-canvas-subtle, #f6f8fa);
  border: 1px solid var(--md-border, rgba(27, 31, 35, 0.12));
  border-radius: 6px;
  overflow: hidden;
}

.highlight pre {
  margin: 0;
  padding: 0;
  background: transparent;
}

.highlight pre code {
  display: block;
  padding: 0;
  font-size: 0.875em;
  line-height: 1.45;
  color: var(--md-fg, #24292e);
}

/* Line number gutter - very subtle (Rouge: .gutter or .rouge-gutter) */
.highlight .gutter,
.highlight .rouge-gutter {
  background-color: rgba(27, 31, 35, 0.05);
  padding-right: 0.75rem;
}

/* Copy button - icon only, top-right, light gray like GitHub */
.highlight .code-copy-btn {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  padding: 0;
  color: #57606a;
  background: transparent;
  border: 0;
  border-radius: 4px;
  cursor: pointer;
  opacity: 0.6;
  transition: opacity 0.15s ease, color 0.15s ease, background 0.15s ease;
}

.highlight .code-copy-btn svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}

.highlight:hover .code-copy-btn {
  opacity: 1;
}

.highlight .code-copy-btn:hover {
  color: #24292e;
  background: rgba(27, 31, 35, 0.06);
}

.highlight .code-copy-btn:active,
.highlight .code-copy-btn:focus {
  opacity: 1;
  outline: none;
}

.highlight .code-copy-btn.copied {
  color: #1a7f37;
}

.highlight .code-copy-btn.copied .code-copy-icon {
  display: none;
}

.highlight .code-copy-btn.copied .code-copy-check {
  display: block;
}

.highlight .code-copy-btn .code-copy-check {
  display: none;
}

/* ----- Dark mode (Chirpy theme_mode / GitHub dark style) ----- */
[data-theme="dark"] .highlight,
.theme-dark .highlight {
  background-color: var(--md-canvas-subtle, #161b22);
  border-color: var(--md-border, rgba(255, 255, 255, 0.16));
}

[data-theme="dark"] .highlight .gutter,
[data-theme="dark"] .highlight .rouge-gutter,
.theme-dark .highlight .gutter,
.theme-dark .highlight .rouge-gutter {
  background-color: rgba(255, 255, 255, 0.04);
}

[data-theme="dark"] .highlight .code-copy-btn,
.theme-dark .highlight .code-copy-btn {
  color: #8b949e;
  background: transparent;
}

[data-theme="dark"] .highlight .code-copy-btn:hover,
.theme-dark .highlight .code-copy-btn:hover {
  color: #c9d1d9;
  background: rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .highlight .code-copy-btn.copied,
.theme-dark .highlight .code-copy-btn.copied {
  color: #3fb950;
}