app/src/styles/components/_code.css

/* ============================================================================ */
/* Inline code */
/* ============================================================================ */
code {
  font-size: 14px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  background-color: var(--code-bg);
  border-radius: 0.3em;
  border: 1px solid var(--border-color);
  color: var(--text-color);
  font-weight: 400;
  line-height: 1.5;
}

/* ============================================================================ */
/* Shiki code blocks */
/* ============================================================================ */
.astro-code {
  position: relative;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 0;
  font-size: 14px;
  --code-gutter-width: 2.5em;
}

/* Shared sizing & horizontal scroll for code containers */
.astro-code,
section.content-grid pre {
  overflow-x: auto;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  -webkit-overflow-scrolling: touch;
  padding: 0;
}

/* Consistent vertical spacing for code blocks */
.astro-code,
section.content-grid pre {
  margin: 0 0 var(--block-spacing-y);
}

section.content-grid pre { margin: 0; }

section.content-grid pre code {
  display: inline-block;
  min-width: 100%;
}

/* Wrap long lines only on small screens to prevent layout overflow */
@media (--bp-content-collapse) {
  .astro-code,
  section.content-grid pre {
    white-space: pre-wrap;
    overflow-wrap: anywhere;
    word-break: break-word;
  }

  section.content-grid pre code {
    white-space: pre-wrap;
    display: block;
    min-width: 0;
  }
}

/* Themes */
[data-theme='light'] .astro-code { background-color: var(--code-bg); }

/* Apply token color from per-span vars exposed by Shiki dual themes */
[data-theme='light'] .astro-code span { color: var(--shiki-light) !important; }
[data-theme='dark'] .astro-code span { color: var(--shiki-dark) !important; }

/* Optional: boost contrast for light theme */
[data-theme='light'] .astro-code {
  --shiki-foreground: #24292f;
  --shiki-background: #ffffff;
}

/* Line numbers for Shiki-rendered code blocks */
.astro-code code {
  counter-reset: astro-code-line;
  display: block;
  background: none;
  border: none;
}

.astro-code .line {
  display: inline-block;
  position: relative;
  padding-left: calc(var(--code-gutter-width) + var(--spacing-1));
  min-height: 1.25em;
}

.astro-code .line::before {
  counter-increment: astro-code-line;
  content: counter(astro-code-line);
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: calc(var(--code-gutter-width));
  text-align: right;
  color: var(--muted-color);
  opacity: .3;
  user-select: none;
  padding-right: var(--spacing-2);
  border-right: 1px solid var(--border-color);
}

.astro-code .line:empty::after { content: "\00a0"; }

/* Hide trailing empty line added by parsers */
.astro-code code > .line:last-child:empty { display: none; }

/* ============================================================================ */
/* Non-Shiki pre wrapper (rehype) */
/* ============================================================================ */
.code-card { position: relative; }

.code-card .code-copy {
  position: absolute;
  top: 6px;
  right: 6px;
  z-index: 3;
  padding: 6px 12px;
  border: none;
}

.code-card .code-copy svg {
  width: 16px;
  height: 16px;
  display: block;
  fill: currentColor;
}

.code-card pre { margin: 0 0 var(--spacing-1); }

/* Discreet filetype/language label shown under the Copy button */
.code-card::after {
  content: attr(data-language);
  position: absolute;
  top: 8px;
  right: 56px; /* leave room for copy button */
  font-size: 10px;
  line-height: 1;
  text-transform: uppercase;
  color: var(--muted-color);
  pointer-events: none;
  z-index: 2;
}

/* When no copy button (single-line), keep the label in the top-right corner */
.code-card.no-copy::after { top: 8px; right: 8px; }

/* ============================================================================ */
/* Contextual overrides */
/* ============================================================================ */
/* Inside Accordions: remove padding and border on code containers */
.accordion .astro-code { padding: 0; border: none; }

/* ============================================================================ */
/* Language/extension vignette (bottom-right, discreet) */
/* ============================================================================ */
.astro-code::after {
  content: attr(data-language);
  position: sticky;
  right: 0;
  bottom: 0;
  font-size: 10px;
  line-height: 1;
  text-transform: uppercase;
  color: var(--muted-color);
  background: var(--surface-bg);
  border-top: 1px solid var(--border-color);
  border-left: 1px solid var(--border-color);
  opacity: 1;
  border-radius: 8px 0 0 0; /* round only top-left */
  padding: 4px 6px;
  pointer-events: none;
}

/* Fallback if Shiki uses data-lang instead of data-language */
.astro-code[data-lang]::after { content: attr(data-lang); }

/* Normalize to extensions for common languages */
.astro-code[data-language="typescript"]::after { content: "ts"; }
.astro-code[data-language="tsx"]::after { content: "tsx"; }
.astro-code[data-language="javascript"]::after,
.astro-code[data-language="node"]::after,
.astro-code[data-language="jsx"]::after { content: "js"; }
.astro-code[data-language="python"]::after { content: "py"; }
.astro-code[data-language="bash"]::after,
.astro-code[data-language="shell"]::after,
.astro-code[data-language="sh"]::after { content: "sh"; }
.astro-code[data-language="markdown"]::after { content: "md"; }
.astro-code[data-language="yaml"]::after,
.astro-code[data-language="yml"]::after { content: "yml"; }
.astro-code[data-language="html"]::after { content: "html"; }
.astro-code[data-language="css"]::after { content: "css"; }
.astro-code[data-language="json"]::after { content: "json"; }

/* In Accordions, keep same bottom-right placement */
.accordion .astro-code::after { right: 0; bottom: 0; }