benmark/theme.css at main · Benmore-Studio/benmark · GitHub

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/* benmark theme — self-contained styles for rendered Markdown.
   Wrap rendered HTML in an element with class="benmark".
   Light/dark aware via prefers-color-scheme; a [data-theme] on any
   ancestor wins so an app's own theme toggle can override. */

.benmark {
  --bm-fg: #1f2328;
  --bm-muted: #656d76;
  --bm-border: #d0d7de;
  --bm-surface: #f6f8fa;
  --bm-accent: #0969da;
  --bm-code-bg: #f6f8fa;
  color: var(--bm-fg);
  line-height: 1.6;
  word-wrap: break-word;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
}

@media (prefers-color-scheme: dark) {
  .benmark {
    --bm-fg: #e6edf3;
    --bm-muted: #8b949e;
    --bm-border: #30363d;
    --bm-surface: #161b22;
    --bm-accent: #4493f8;
    --bm-code-bg: #161b22;
  }
}
:root[data-theme="dark"] .benmark { --bm-fg:#e6edf3; --bm-muted:#8b949e; --bm-border:#30363d; --bm-surface:#161b22; --bm-accent:#4493f8; --bm-code-bg:#161b22; }
:root[data-theme="light"] .benmark { --bm-fg:#1f2328; --bm-muted:#656d76; --bm-border:#d0d7de; --bm-surface:#f6f8fa; --bm-accent:#0969da; --bm-code-bg:#f6f8fa; }

.benmark h1, .benmark h2, .benmark h3, .benmark h4, .benmark h5, .benmark h6 {
  margin: 1.4em 0 0.5em; line-height: 1.25; font-weight: 600;
}
.benmark h1 { font-size: 1.9em; border-bottom: 1px solid var(--bm-border); padding-bottom: .3em; }
.benmark h2 { font-size: 1.5em; border-bottom: 1px solid var(--bm-border); padding-bottom: .3em; }
.benmark h3 { font-size: 1.25em; }
.benmark h4 { font-size: 1em; }
.benmark p { margin: 0 0 1em; }
.benmark a { color: var(--bm-accent); text-decoration: none; }
.benmark a:hover { text-decoration: underline; }

.benmark ul, .benmark ol { margin: 0 0 1em; padding-left: 2em; }
.benmark li { margin: .25em 0; }
.benmark li > input[type="checkbox"] { margin: 0 .4em 0 -1.4em; }

.benmark blockquote {
  margin: 0 0 1em; padding: 0 1em; color: var(--bm-muted);
  border-left: .25em solid var(--bm-border);
}

.benmark code {
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  font-size: .875em; background: var(--bm-code-bg);
  padding: .2em .4em; border-radius: 6px;
}
.benmark pre {
  background: var(--bm-code-bg); padding: 1em; border-radius: 8px;
  overflow-x: auto; margin: 0 0 1em; font-size: .875em; line-height: 1.45;
}
.benmark pre code { background: none; padding: 0; font-size: inherit; }

.benmark table { border-collapse: collapse; margin: 0 0 1em; display: block; overflow-x: auto; }
.benmark th, .benmark td { border: 1px solid var(--bm-border); padding: .5em .85em; }
.benmark th { background: var(--bm-surface); font-weight: 600; }
.benmark tr:nth-child(2n) td { background: var(--bm-surface); }

.benmark img { max-width: 100%; height: auto; border-radius: 6px; }
.benmark hr { border: 0; border-top: 1px solid var(--bm-border); margin: 1.6em 0; }

/* Media embeds. */
.benmark .benmark-video,
.benmark .benmark-embed { max-width: 100%; width: 100%; border: 0; border-radius: 8px; }
.benmark .benmark-video { aspect-ratio: 16 / 9; background: #000; }
.benmark .benmark-embed { aspect-ratio: 16 / 9; min-height: 360px; }
.benmark .benmark-audio { width: 100%; }

/* Mermaid: hidden until hydrated so raw graph text doesn't flash. */
.benmark pre.mermaid { background: none; padding: 0; text-align: center; }
.benmark pre.mermaid:not([data-processed]) { color: transparent; }

/* GitHub-style callouts (> [!NOTE] etc). */
.benmark .benmark-callout {
  margin: 0 0 1em; padding: .6em 1em; border-radius: 8px;
  border-left: .25em solid var(--bm-cal, var(--bm-accent));
  background: color-mix(in srgb, var(--bm-cal, var(--bm-accent)) 8%, transparent);
}
.benmark .benmark-callout > :last-child { margin-bottom: 0; }
.benmark .benmark-callout-title {
  margin: 0 0 .3em; font-weight: 600; text-transform: capitalize;
  color: var(--bm-cal, var(--bm-accent));
}
.benmark .benmark-callout-note      { --bm-cal: #0969da; }
.benmark .benmark-callout-tip       { --bm-cal: #1a7f37; }
.benmark .benmark-callout-important { --bm-cal: #8250df; }
.benmark .benmark-callout-warning   { --bm-cal: #9a6700; }
.benmark .benmark-callout-caution   { --bm-cal: #cf222e; }

/* Copy-code button (added by hydrate.js). */
.benmark .benmark-codewrap { position: relative; }
.benmark .benmark-copy {
  position: absolute; top: .5em; right: .5em; padding: .2em .55em;
  font-size: .75em; border: 1px solid var(--bm-border); border-radius: 6px;
  background: var(--bm-surface); color: var(--bm-muted); cursor: pointer;
  opacity: 0; transition: opacity .12s;
}
.benmark .benmark-codewrap:hover .benmark-copy { opacity: 1; }
.benmark .benmark-copy:hover { color: var(--bm-fg); }

/* Heading anchors from go.abhg.dev/goldmark/anchor. */
.benmark .anchor { color: var(--bm-muted); text-decoration: none; opacity: 0; padding-left: .3em; }
.benmark h1:hover .anchor, .benmark h2:hover .anchor,
.benmark h3:hover .anchor, .benmark h4:hover .anchor { opacity: 1; }