/* Elegant, print-friendly style — no color backgrounds */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: "Georgia", "Times New Roman", "Noto Serif", serif;
  color: #1a1a1a;
  background: #fff;
  line-height: 1.7;
  max-width: 50rem;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

h1, h2, h3, h4, h5, h6 {
  font-family: "Helvetica Neue", "Arial", "Noto Sans", sans-serif;
  font-weight: 600;
  line-height: 1.3;
  margin-top: 1.8em;
  margin-bottom: 0.5em;
  color: #000;
}

h1 {
  font-size: 2rem;
  border-bottom: 2px solid #222;
  padding-bottom: 0.3em;
}

h2 {
  font-size: 1.5rem;
  border-bottom: 1px solid #ccc;
  padding-bottom: 0.2em;
}

h3 { font-size: 1.2rem; }
h4 { font-size: 1rem; font-weight: 700; }
h5 { font-size: 0.9rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.04em; }
h6 { font-size: 0.85rem; font-weight: 700; color: #444; }

p {
  margin: 0 0 1em;
}

strong { font-weight: 700; }
em { font-style: italic; }

a {
  color: #1a1a1a;
  text-decoration: underline;
  text-underline-offset: 2px;
}

a:hover { color: #000; }

ul, ol {
  margin: 0 0 1em 1.5em;
  padding: 0;
}

li { margin-bottom: 0.3em; }

blockquote {
  margin: 1em 0;
  padding: 0.5em 1em;
  border-left: 4px solid #1a1a1a;
  color: #333;
  font-style: italic;
}

code {
  font-family: "SF Mono", "Menlo", "Consolas", "Monaco", monospace;
  font-size: 0.87em;
  background: #f5f5f5;
  padding: 0.15em 0.4em;
  border-radius: 3px;
}

pre {
  font-family: "SF Mono", "Menlo", "Consolas", "Monaco", monospace;
  font-size: 0.85rem;
  background: #f9f9f9;
  border: 1px solid #e0e0e0;
  border-radius: 4px;
  padding: 1em;
  overflow-x: auto;
  line-height: 1.5;
}

pre code {
  background: none;
  padding: 0;
  border-radius: 0;
}

hr {
  border: none;
  border-top: 1px solid #ccc;
  margin: 2em 0;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 1em 0;
  font-size: 0.9rem;
}

th, td {
  border: 1px solid #ccc;
  padding: 0.5em 0.75em;
  text-align: left;
  vertical-align: top;
}

th {
  font-family: "Helvetica Neue", "Arial", sans-serif;
  font-weight: 600;
  background: #f5f5f5;
}

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

/* Print only */
@media print {
  html { font-size: 11pt; }
  body { padding: 0; max-width: 100%; }
  a { text-decoration: none; }
  pre { white-space: pre-wrap; word-break: break-word; }
  @page { margin: 1.5cm; }
}