/* A red link marks a page worth writing later, not a build failure. */
.hmd-redlink {
  color: var(--md-typeset-color, #b3261e);
  border-bottom: 1px dashed currentColor;
  opacity: 0.75;
  cursor: help;
}

[data-md-color-scheme="default"] .hmd-redlink {
  color: #b3261e;
}

[data-md-color-scheme="slate"] .hmd-redlink {
  color: #f2b8b5;
}

/* A diagram that is merely not drawn is not a defect in the card. It is shown
   with its source, labelled, rather than as a blank or an error. */
.hmd-diagram img {
  max-width: 100%;
  height: auto;
}

.hmd-diagram--placeholder {
  border-left: 3px solid var(--md-default-fg-color--lighter, #ccc);
  padding-left: 0.8rem;
}

.hmd-diagram__note {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  opacity: 0.65;
  margin-bottom: 0.3rem;
}

/* The bolt's amber, as one variable rather than a literal repeated down the
   file. Two values because the light scheme needs the darker end of the ramp
   to stay legible on white, and the dark scheme the brighter end. */
[data-md-color-scheme="default"] {
  --hmd-bolt: #d98f00;
}

[data-md-color-scheme="slate"] {
  --hmd-bolt: #ffc233;
}

/* Material sizes the logo for a wordmark; a single glyph next to text wants to
   be a little larger to sit optically level with it. */
.md-header__button.md-logo img,
.md-header__button.md-logo svg {
  width: 1.5rem;
  height: 1.5rem;
}

/* The cover's opening line is a claim, not a paragraph — "Markdown is
   JavaScript. Hyper-markdown is TypeScript." earns the size. The cover opts in
   by tagging its own heading, so no chapter picks up a hero it did not ask
   for. */
.md-typeset h1.hmd-hero {
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--md-default-fg-color);
}

.md-typeset h1.hmd-hero::before {
  content: "⚡";
  margin-right: 0.4rem;
  /* The emoji is decoration beside a heading that already names the project;
     announcing it would just read the mark twice. */
  speak: none;
}

.md-typeset h1.hmd-hero + p {
  font-size: 1.15rem;
  line-height: 1.5;
  padding-bottom: 1.1rem;
  border-bottom: 2px solid var(--hmd-bolt);
  margin-bottom: 1.6rem;
}

/* Code is the most common element on this site, so it is where a brand color
   is worth spending: a rule down the gutter, not a tint over the text. */
.md-typeset pre > code {
  border-left: 3px solid var(--hmd-bolt);
}