/* Plain article view: readable first, Windows 2000 tint second. */
:root {
  --face: #d4d0c8;
  --hi: #ffffff;
  --shadow: #808080;
  --dark: #404040;
  --navy: #0a246a;
  --title-end: #1084d0;
  --desk: #3a6ea5;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--desk);
  color: #000;
  font: 16px/1.6 Tahoma, Verdana, "Segoe UI", sans-serif;
}

.bar {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 6px 16px;
  background: var(--face);
  border-bottom: 2px solid var(--shadow);
  box-shadow: inset 0 1px var(--hi);
  font-size: 14px;
}
.bar a { color: #000; text-decoration: none; }
.bar a:hover { text-decoration: underline; }
.bar__home { font-weight: bold; }

.panel {
  max-width: 78ch;
  margin: 24px auto;
  padding: 24px 32px;
  background: var(--hi);
  border: 2px solid;
  border-color: var(--hi) var(--dark) var(--dark) var(--hi);
  box-shadow: 1px 1px 0 #000;
  overflow-wrap: anywhere;
}
@media (max-width: 600px) {
  .panel { margin: 0; padding: 16px; border: 0; box-shadow: none; }
}

h1 { font-size: 1.6rem; line-height: 1.25; margin: 0 0 16px; }
h2 {
  font-size: 1.1rem;
  margin: 32px 0 8px;
  padding: 2px 8px;
  color: #fff;
  background: linear-gradient(90deg, var(--navy), var(--title-end));
}
.meta { margin: 0 0 4px; font: 13px Consolas, "Courier New", monospace; color: #555; }

a { color: #0000ee; }
a:visited { color: #551a8b; }

code, pre { font-family: Consolas, "Courier New", monospace; font-size: 14px; }
pre {
  overflow-x: auto;
  padding: 12px;
  background: #fff;
  border: 2px solid;
  border-color: var(--shadow) var(--hi) var(--hi) var(--shadow);
  box-shadow: inset 1px 1px 0 var(--dark);
  overflow-wrap: normal;
}
:not(pre) > code { background: #f0f0f0; padding: 0 3px; }

img { max-width: 100%; height: auto; border: 1px solid var(--shadow); }
figure.diagram { margin: 16px 0; overflow-x: auto; }

table { border-collapse: collapse; width: 100%; font-size: 14px; }
th, td { text-align: left; padding: 4px 8px; border: 1px solid var(--face); vertical-align: top; }
th { background: var(--face); }
.cases td:first-child { font-family: Consolas, monospace; }

pre.txt {
  margin: 0;
  padding: 0;
  border: 0;
  box-shadow: none;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  font: 14px/1.5 "Lucida Console", Consolas, monospace;
}