/* Reset & Base */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: "SFMono-Regular", "Cascadia Code", "Fira Code", Consolas,
    "Liberation Mono", Menlo, monospace;
  font-size: 14px;
  line-height: 1.6;
  color: #0a0a0a;
  background: #e8e8e8;
  padding: 2rem 1rem;
}

.container {
  max-width: 900px;
  margin: 0 auto;
  background: #fafaf5;
  border: 2px solid #333;
  border-radius: 0;
  box-shadow: 4px 4px 0 #999;
  padding: 2.5rem 3rem;
}

/* Typography */
h1 {
  font-size: 1.8rem;
  margin-bottom: .6rem;
  color: #000;
  letter-spacing: .05em;
  text-transform: uppercase;
  border-bottom: 3px double #333;
  padding-bottom: .4rem;
}

h2 {
  font-size: 1.1rem;
  margin-top: 2rem;
  margin-bottom: .8rem;
  color: #000;
  text-transform: uppercase;
  letter-spacing: .08em;
  border-bottom: none;
  padding-bottom: 0;
}
h2::before { content: "## "; color: #666; }

h3 {
  font-size: 1rem;
  margin-top: 1.4rem;
  margin-bottom: .5rem;
  color: #111;
}
h3::before { content: "### "; color: #888; }

p { margin-bottom: .8rem; }

blockquote {
  border-left: 3px solid #555;
  padding: .5rem 1rem;
  margin: 1rem 0;
  color: #444;
  background: #f0f0ea;
  border-radius: 0;
  font-style: italic;
}
blockquote::before { content: "> "; color: #888; font-style: normal; }

/* Links */
a { color: #005cc5; text-decoration: underline; text-underline-offset: 2px; }
a:hover { color: #000; background: #ddd; }

/* Tables */
table { width: 100%; border-collapse: collapse; margin: .8rem 0; font-size: .9rem; }
th, td {
  text-align: left;
  padding: .4rem .6rem;
  border: 1px solid #aaa;
}
th { background: #ddd; font-weight: 700; text-transform: uppercase; font-size: .8rem; letter-spacing: .05em; }

/* Lists */
ul, ol { margin: .5rem 0 .8rem 1.5rem; }
li { margin-bottom: .3rem; }
ul li::marker { content: "- "; }

/* Horizontal rules */
hr {
  border: none;
  margin: 1.8rem 0;
  text-align: center;
  overflow: visible;
  height: 1.2em;
  line-height: 1.2em;
}
hr::after {
  content: "────────────────────────────────────────";
  color: #999;
  font-size: .8rem;
  letter-spacing: .1em;
}

/* Images */
img { max-width: 100%; height: auto; border: 1px solid #aaa; border-radius: 0; margin: .5rem 0; }

/* Code */
code {
  background: #eee;
  padding: .15rem .4rem;
  border-radius: 0;
  border: 1px solid #ccc;
  font-size: .9em;
  font-family: inherit;
}
pre {
  background: #f0f0ea;
  padding: 1rem;
  border: 1px solid #aaa;
  border-radius: 0;
  overflow-x: auto;
  margin: .8rem 0;
}
pre code { background: none; padding: 0; border: none; }

/* Strong */
strong { font-weight: 700; }

/* Print */
@media print {
  body { background: #fff; padding: 0; }
  .container { box-shadow: none; border: none; padding: 0; max-width: none; }
  h2::before, h3::before, blockquote::before, hr::after { content: none; }
}

/* Responsive — Tablet */
@media (max-width: 768px) {
  body { padding: 1rem 0.5rem; }
  .container { padding: 1.5rem 1.2rem; }
  h1 { font-size: 1.4rem; }
  h2 { font-size: 1rem; }

  img[align="right"] {
    float: none !important;
    display: block;
    margin: 0 auto 1rem;
  }

  table { display: block; overflow-x: auto; -webkit-overflow-scrolling: touch; }

  hr::after {
    content: "────────────────────────";
  }
}

/* Responsive — Mobile */
@media (max-width: 480px) {
  body { padding: 0.5rem 0.25rem; font-size: 13px; }
  .container { padding: 1rem .8rem; }
  h1 { font-size: 1.2rem; }
  h2 { font-size: .95rem; margin-top: 1.5rem; }
  h3 { font-size: .9rem; }

  th, td { padding: .3rem .4rem; font-size: .85rem; }

  img { width: 100%; height: auto; }

  hr::after {
    content: "────────────────";
  }
}