code block line numbers

This commit is contained in:
Joshua Seigler 2025-07-10 23:50:28 -04:00
parent 2766453d75
commit 13e3e1a2da
5 changed files with 56 additions and 47 deletions

View file

@ -7,7 +7,7 @@ pre[class*="language-"] {
word-break: normal;
word-wrap: normal;
font-size: 0.8rem;
line-height: 1.5em;
line-height: 1.4;
color: var(--c-text-dim);
-moz-tab-size: 4;
-o-tab-size: 4;
@ -20,7 +20,7 @@ pre[class*="language-"] {
:not(pre) > code[class*="language-"] {
background: var(--c-text-background-light);
white-space: normal;
border-radius: 0.2em;
border-radius: 0.2rem;
padding: 0.1em;
}
pre[class*="language-"] {
@ -28,8 +28,37 @@ pre[class*="language-"] {
overflow: auto;
position: relative;
margin: 0.5em 0;
padding: 1.25em 1em;
padding: 0.5em 1em 0.5em calc(var(--lineNumWidth) + 0.25rem);
box-shadow: inset 0 0 6rem -2rem var(--c-highlight);
counter-reset: lineNumber;
--places: 1;
&:has(.highlight-line:nth-child(10)) { --places: 2 }
&:has(.highlight-line:nth-child(100)) { --places: 3 }
&:has(.highlight-line:nth-child(1000)) { --places: 4 }
--lineNumWidth: calc(1em + var(--places) * 1ch);
&::before {
content: '';
position: absolute;
height: 100%;
top: 0;
left: var(--lineNumWidth);
width: 3rem;
opacity: 0.125;
z-index: -1;
background: linear-gradient(to right, var(--c-highlight), transparent);
border-radius: 0.5em;
}
.highlight-line {
position: relative;
}
.highlight-line::before {
content: counter(lineNumber);
counter-increment: lineNumber;
position: absolute;
top: 0;
right: calc(100% + 0.5em);
color: var(--c-highlight);
}
}
p:has(+ pre[class*="language-"]) > code {
margin: 0;