/* Violightion pages. Plain CSS: system fonts, no images, no web fonts, nothing loaded from elsewhere.
   Sizes are in rem and em so the reader's text size setting applies, including the largest sizes. */

:root {
  color-scheme: light dark;
  --bg: #ffffff;
  --text: #1b1b1f;
  --muted: #55555c;
  --link: #0b4fd6;
  --rule: #c9c9d1;
  --panel: #f3f3f7;
  --placeholder-bg: #fff2b3;
  --placeholder-text: #4a3b00;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #131316;
    --text: #ececf1;
    --muted: #b0b0ba;
    --link: #8fb4ff;
    --rule: #3a3a44;
    --panel: #1e1e24;
    --placeholder-bg: #4a3b00;
    --placeholder-text: #ffe9a0;
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 1.125rem;
  line-height: 1.6;
}

.page {
  max-width: 42rem;
  margin: 0 auto;
  padding: 1.5rem 1rem 3rem;
}

header.site { border-bottom: 1px solid var(--rule); margin-bottom: 1.5rem; padding-bottom: 0.75rem; }
header.site p { margin: 0; font-weight: 700; font-size: 1.25rem; }
nav ul { list-style: none; margin: 0.5rem 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 0.25rem 1.25rem; }

h1 { font-size: 2rem; line-height: 1.2; margin: 0 0 0.5rem; }
h2 { font-size: 1.5rem; line-height: 1.25; margin: 2rem 0 0.5rem; }
h3 { font-size: 1.2rem; margin: 1.25rem 0 0.25rem; }
p, ul, ol, dl { margin: 0.75rem 0; }
li { margin: 0.25rem 0; }
.lede { color: var(--muted); }

a { color: var(--link); text-underline-offset: 0.15em; }
a:focus-visible { outline: 3px solid var(--link); outline-offset: 2px; }

.summary { background: var(--panel); border: 1px solid var(--rule); border-radius: 0.5rem; padding: 0.5rem 1rem; }
.summary h2 { margin-top: 0.5rem; }

.table-wrap { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; margin: 0.75rem 0; }
caption { text-align: left; font-weight: 700; padding-bottom: 0.25rem; }
th, td { text-align: left; vertical-align: top; border: 1px solid var(--rule); padding: 0.5rem 0.625rem; }
th { background: var(--panel); }
code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 0.9em; overflow-wrap: anywhere; }

/* A placeholder is meant to be impossible to miss while a page is a draft. */
.placeholder { background: var(--placeholder-bg); color: var(--placeholder-text); padding: 0 0.25em; border-radius: 0.25em; }

footer { border-top: 1px solid var(--rule); margin-top: 2.5rem; padding-top: 0.75rem; color: var(--muted); font-size: 0.95rem; }