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;
  border-radius: 0.3em;
  border: 1px solid var(--border-color);
  color: var(--text-color);
  font-weight: 400;
  line-height: 1.5;
}

p code,
.note code {
  white-space: nowrap;
  padding: calc(var(--spacing-1)/3) calc(var(--spacing-1)/2);
}


/* ============================================================================ */
/* Shiki code blocks */
/* ============================================================================ */
.astro-code {
  position: relative;
  border: 1px solid var(--border-color);
  background-color: var(--surface-bg) !important;
  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 {
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  -webkit-overflow-scrolling: touch;
  padding: 0;
  margin-bottom: var(--block-spacing-y) !important;
  overflow-x: auto;
}

section.content-grid pre.astro-code {
  margin: 0;
  padding: var(--spacing-1) 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: var(--spacing-2);
  right: var(--spacing-2);
  z-index: 3;
  display: none;
}

.code-card:hover .code-copy {
  display: block;
}

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

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

/* 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;
}

.accordion .astro-code {
  margin-bottom: 0 !important;
}

.accordion .code-output {
  border: none;
  border-top: 1px solid var(--border-color) !important;
}

.accordion pre {
  margin-bottom: 0 !important;
}

.accordion .code-card pre {
  margin: 0 !important;
}

/* ============================================================================ */
/* Language/extension vignette (bottom-right, discreet) */
/* ============================================================================ */
/* .astro-code::after {
  content: attr(data-language);
  position: absolute;
  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; 
  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); }
.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;
}

/* ============================================================================ */
/* Results blocks glued to code blocks */
/* ============================================================================ */
.code-output {
  position: relative;
  background: oklch(from var(--code-bg) calc(l - 0.005) c h);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  margin-top: 0;
  margin-bottom: var(--block-spacing-y);
  padding: 0 !important;
}

.code-output pre {
  padding: calc(var(--spacing-3) + 6px) var(--spacing-3) var(--spacing-3) var(--spacing-3) !important;
}

/* If immediately following a code container, keep tight visual connection */
.code-card+.code-output,
.astro-code+.code-output,
section.content-grid pre+.code-output {
  margin-top: 0;
  border-top: none;
  border-top-left-radius: 0;
  border-top-right-radius: 0;
  box-shadow: inset 0 8px 12px -12px rgba(0, 0, 0, 0.15);
}

/* Remove bottom margin on code when immediately followed by results */
.astro-code:has(+ .code-output) {
  margin-bottom: 0 !important;
}

.code-card:has(+ .code-output) .astro-code {
  margin-bottom: 0 !important;
}

section.content-grid pre:has(+ .code-output) {
  margin-bottom: 0 !important;
}

/* Remove bottom border radius on code when followed by results */
.astro-code:has(+ .code-output) {
  border-bottom-left-radius: 0;
  border-bottom-right-radius: 0;
}

.code-card:has(+ .code-output) .astro-code {
  border-bottom-left-radius: 0;
  border-bottom-right-radius: 0;
}

section.content-grid pre:has(+ .code-output) {
  border-bottom-left-radius: 0;
  border-bottom-right-radius: 0;
}

/* Small top-left label */
.code-output::before {
  content: "Output";
  position: absolute;
  top: 0;
  right: 0;
  font-size: 10px;
  line-height: 1;
  color: var(--muted-color);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-top: none;
  border-right: none;
  border-radius: 0 0 0 6px;
  padding: 10px 10px;
}

/* Very subtle top shadow so results feels under the code */
.code-output {}

.code-output> :where(*):first-child {
  margin-top: 0 !important;
}

.code-output> :where(*):last-child {
  margin-bottom: 0 !important;
}

/* ============================================================================ */
/* Optional filename tag above code blocks */
/* ============================================================================ */
.code-filename {
  display: inline-block;
  font-size: 12px;
  line-height: 1;
  color: var(--muted-color);
  background: var(--surface-bg);
  border: 1px solid var(--border-color);
  border-bottom: none;
  border-radius: 6px 6px 0 0;
  padding: 4px 8px;
  margin: 0;
}

.code-filename+.code-card .astro-code,
.code-filename+.astro-code,
.code-filename+section.content-grid pre {
  border-top-left-radius: 0;
  border-top-right-radius: 6px;
}