devpage 0.1.0

Live documents from Markdown in a repository: sites, docs and slides, with comments, link checking and PDF
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/* devpage's built-in light and dark themes. Every color comes from these tokens,
   diagrams included, so a theme is a set of token values. */
:root {
  --background: #ffffff;
  --surface: #f5f5f7;
  --text: #1d1d1f;
  --muted: #6e6e73;
  --border: #d2d2d7;
  --accent: #0066cc;
  --code: #f5f5f7;
  --syntax-keyword: #9b2393;
  --syntax-string: #c41a16;
  --syntax-number: #1c00cf;
  --syntax-comment: #5d6c79;
  --syntax-type: #0b4f79;
  --syntax-function: #326d74;
  --syntax-attribute: #815f03;
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-mono: "SF Mono", ui-monospace, Menlo, Consolas, monospace;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --background: #000000;
    --surface: #1d1d1f;
    --text: #f5f5f7;
    --muted: #a1a1a6;
    --border: #424245;
    --accent: #2997ff;
    --code: #1d1d1f;
    --syntax-keyword: #ff7ab2;
    --syntax-string: #ff8170;
    --syntax-number: #d9c97c;
    --syntax-comment: #7f8c98;
    --syntax-type: #dabaff;
    --syntax-function: #67b7a4;
    --syntax-attribute: #fd8f3f;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  display: flex;
  min-height: 100vh;
  background: var(--background);
  color: var(--text);
  font: 17px/1.6 var(--font);
  -webkit-font-smoothing: antialiased;
}

/* Navigation */

#nav {
  position: sticky;
  top: 0;
  align-self: flex-start;
  width: 280px;
  height: 100vh;
  overflow-y: auto;
  flex-shrink: 0;
  padding: 28px 16px 40px 24px;
  border-right: 1px solid var(--border);
  background: var(--surface);
  font-size: 14px;
  line-height: 1.4;
}

#nav .document-title {
  display: block;
  margin-bottom: 18px;
  font-size: 19px;
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
}

#nav ul { list-style: none; margin: 0; padding: 0; }
#nav ul ul { padding-left: 14px; border-left: 1px solid var(--border); margin: 2px 0 6px 6px; }
#nav li { margin: 0; }
#nav a { display: block; padding: 4px 8px; border-radius: 6px; color: var(--text); text-decoration: none; }
#nav a:hover { background: var(--border); }
#nav a.current { background: var(--accent); color: #fff; }

/* Content */

main { flex: 1; min-width: 0; padding: 56px 48px 120px; }
article { max-width: 780px; margin: 0 auto; }

h1, h2, h3, h4 { line-height: 1.2; letter-spacing: -0.015em; }
h1 { font-size: 40px; font-weight: 700; margin: 0 0 24px; }
h2 { font-size: 28px; font-weight: 600; margin: 48px 0 16px; }
h3 { font-size: 21px; font-weight: 600; margin: 32px 0 12px; }
p, ul, ol, table, pre, blockquote, .diagram { margin: 0 0 20px; }
li { margin: 4px 0; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
strong { font-weight: 600; }
hr { border: none; border-top: 1px solid var(--border); margin: 40px 0; }

blockquote {
  margin-left: 0;
  padding: 4px 20px;
  border-left: 4px solid var(--accent);
  background: var(--surface);
  border-radius: 0 8px 8px 0;
  color: var(--muted);
}

code { font: 0.88em var(--font-mono); background: var(--code); padding: 2px 5px; border-radius: 5px; }
pre { background: var(--code); padding: 16px 20px; border-radius: 10px; overflow-x: auto; line-height: 1.5; }
pre code { background: none; padding: 0; font-size: 14px; }

table { border-collapse: collapse; width: 100%; font-size: 15px; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { font-weight: 600; }

/* Diagrams: pele draws with its own variables, mapped to the theme tokens. */

.diagram {
  --pele-bg: var(--background);
  --pele-fg: var(--text);
  --pele-muted: var(--muted);
  --pele-line: var(--muted);
  --pele-surface: var(--surface);
  --pele-surface-alt: var(--border);
  --pele-border: var(--border);
  --pele-accent: var(--accent);
  --pele-font: var(--font);
  --pele-font-mono: var(--font-mono);
  --pele-radius: 8px;
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: 12px;
  text-align: center;
}

.diagram svg { max-width: 100%; height: auto; }

.diagram-error { color: #d70015; text-align: left; white-space: pre-wrap; font: 13px var(--font-mono); }

@media (max-width: 860px) {
  body { display: block; }
  #nav { position: static; width: auto; height: auto; border-right: none; border-bottom: 1px solid var(--border); }
  main { padding: 32px 20px 80px; }
}

/* Sidebar groups: the ### headings of a Topics section. */
#nav li.group { margin: 14px 0 4px; padding: 0 8px; }
#nav li.group:first-child { margin-top: 0; }
#nav li.group span { font-size: 12px; font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase; color: var(--muted); }

/* Syntax highlighting: classes name syntax scopes (see src/highlight.rs); colors
   come from the --syntax-* tokens, Xcode's default palettes. */
pre code { color: var(--text); }
.hl-comment { color: var(--syntax-comment); font-style: italic; }
.hl-string { color: var(--syntax-string); }
.hl-constant.hl-numeric, .hl-constant.hl-language { color: var(--syntax-number); }
.hl-keyword, .hl-storage { color: var(--syntax-keyword); font-weight: 600; }
.hl-storage.hl-type.hl-primitive, .hl-support.hl-type, .hl-entity.hl-name.hl-type, .hl-entity.hl-name.hl-class,
.hl-entity.hl-name.hl-struct, .hl-entity.hl-name.hl-enum, .hl-entity.hl-other.hl-inherited-class { color: var(--syntax-type); font-weight: 400; }
.hl-entity.hl-name.hl-function, .hl-support.hl-function, .hl-variable.hl-function { color: var(--syntax-function); }
.hl-entity.hl-name.hl-tag, .hl-entity.hl-other.hl-attribute-name, .hl-meta.hl-attribute, .hl-support.hl-other.hl-macro { color: var(--syntax-attribute); }

/* Diagram nodes with a `click … href` line are links: no underline; on hover the
   node's border takes the accent color. */
.diagram a { cursor: pointer; text-decoration: none; }
.diagram a:hover rect, .diagram a:hover polygon, .diagram a:hover circle,
.diagram a:hover ellipse, .diagram a:hover path { stroke: var(--accent); stroke-width: 2.5px; }

/* A doc: one long page, its outline beside it. */

.outline li.h2 { padding-left: 14px; font-size: 14px; }
.doc .chapter + .chapter { margin-top: 48px; }

/* Print mode, and the browser's own print: the page alone, in the light theme. */

@media print {
  :root { color-scheme: light; }
  #nav { display: none; }
  body { display: block; }
}
.print #nav { display: none; }

.doc-title { color: var(--muted); font-size: 15px; text-transform: uppercase; letter-spacing: 0.06em; margin: 0 0 8px; }

/* Slides: each slide a 1920 × 1080 stage, scaled whole to the window. */

body.slides { display: block; background: #000; overflow: hidden; }
.deck .slide {
  position: absolute; top: 0; left: 0;
  width: 1920px; height: 1080px;
  transform-origin: 0 0;
  background: var(--background);
  display: none;
  overflow: hidden;
}
.deck .slide.shown { display: block; }
.slide-body { padding: 96px 128px; font-size: 48px; line-height: 1.4; }
.slide-body h1 { font-size: 104px; }
.slide-body h2 { font-size: 72px; }
.slide-body h3 { font-size: 56px; }
.slide-body pre code { font-size: 30px; }
.slide-body table { font-size: 34px; }
.slide-body .diagram { font-size: 28px; }

@media print {
  body.slides { background: none; overflow: visible; }
  .deck .slide {
    display: block; position: relative; transform: none !important;
  }
  .deck .slide:not(:last-child) { break-after: page; }
  body.slides, .deck { margin: 0; padding: 0; }
}

/* Comments: highlighted anchors, and threads beside the text on a wide page
   (each card level with its anchor) or, on narrow screens and decks, in a
   panel the reader opens. Never printed. */

mark.comment { background: color-mix(in srgb, var(--accent) 22%, transparent); color: inherit; cursor: pointer; border-radius: 2px; }
#comments { flex-shrink: 0; font-size: 14px; line-height: 1.45; }
#comments:empty { display: none; }
#comments.beside { position: relative; width: 300px; margin: 56px 16px 0 0; }
#comments.beside > * { position: absolute; left: 0; right: 0; }
#comments:not(.beside) {
  position: fixed; right: 0; top: 0; bottom: 0; width: min(360px, 100vw);
  overflow: auto; padding: 16px; z-index: 5; display: none;
  background: var(--background); border-left: 1px solid var(--border);
}
body.show-comments #comments:not(.beside):not(:empty) { display: block; }
#comments-toggle { position: fixed; right: 16px; bottom: 16px; z-index: 6; display: none; }
#comments-toggle.shown { display: block; }
:fullscreen #comments-toggle { display: none; }
#comments .thread { border: 1px solid var(--border); border-radius: 10px; padding: 10px 12px; margin-bottom: 12px; background: var(--surface); }
#comments .composer { border-color: var(--accent); }
#comments blockquote { margin: 0 0 6px; padding: 0 0 0 8px; background: none; border-left: 3px solid var(--accent); color: var(--muted); max-height: 4.4em; overflow: hidden; }
#comments p { margin: 4px 0; overflow-wrap: anywhere; }
#comments time { color: var(--muted); font-size: 12px; }
#comments h3 { font-size: 14px; margin: 0 0 8px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.04em; }
.comment-editor textarea { width: 100%; margin: 6px 0 2px; font: inherit; color: inherit; background: var(--background); border: 1px solid var(--border); border-radius: 6px; padding: 6px 8px; resize: vertical; }
.comment-editor button { margin: 4px 6px 0 0; }
.comment-error { color: #d70015; font-size: 13px; }
.comment-error:empty { display: none; }
.comment-button, #comments-toggle, .comment-editor button { font: 13px var(--font); border: 1px solid var(--border); background: var(--surface); color: var(--text); border-radius: 6px; padding: 3px 9px; cursor: pointer; z-index: 4; }
@media print { #comments, #comments-toggle, .comment-button { display: none !important; } mark.comment { background: none; } }

/* Problems: broken links found while the page is previewed. */

.problems { max-width: 780px; margin: 0 auto 24px; border: 1px solid #d70015; border-radius: 10px; padding: 10px 14px; font-size: 14px; color: #d70015; }
.problems ul { margin: 4px 0 0; padding-left: 18px; }
a.broken { color: #d70015; text-decoration: underline wavy #d70015; }
img.broken { outline: 2px dashed #d70015; }
.diagram a.broken rect, .diagram a.broken polygon, .diagram a.broken circle, .diagram a.broken ellipse, .diagram a.broken path { stroke: #d70015; stroke-dasharray: 6 4; }
body.slides .problems { position: fixed; top: 8px; left: 8px; right: 8px; z-index: 3; background: var(--background); }
@media print { .problems { display: none; } }
@media print { h1, h2, h3 { break-after: avoid; } pre, .diagram, table { break-inside: avoid; } }