:root {
  font-family: system-ui, sans-serif;
  color: #202b38;
  background: #fff;
  line-height: 1.65;
}
* { box-sizing: border-box; }
body { max-width: 880px; margin: 0 auto; padding: 2rem 1.25rem; }
a { color: #235d98; text-underline-offset: 0.2em; }
a:hover { color: #153859; }
.site-header { border-bottom: 1px solid #ddd; padding-bottom: 1.5rem; }
h1, h2, h3 { line-height: 1.25; }
h1 { font-size: clamp(2rem, 6vw, 2.8rem); margin-bottom: 0.5rem; }
h1 small { font-size: 0.48em; font-weight: 400; white-space: nowrap; }
nav { display: flex; flex-wrap: wrap; gap: 0.5rem 1.25rem; }
section { padding: 1.25rem 0; scroll-margin-top: 1rem; }
article { margin: 1rem 0; }
.muted, footer, .report-format { color: #5a6572; }
.report-list { padding-left: 1.25rem; }
.report-list li { margin: 0.65rem 0; }
.report-format { font-size: 0.85rem; margin-left: 0.5rem; }
.report { overflow-wrap: anywhere; }
.report h2, .report h3 { margin-top: 2rem; }
pre { padding: 1rem; background: #f4f6f8; overflow-x: auto; border-radius: 4px; }
code { font-size: 0.9em; }
:not(pre) > code { background: #f4f6f8; padding: 0.15rem 0.3rem; }
blockquote { margin-left: 0; padding-left: 1rem; border-left: 3px solid #ddd; }
table { display: block; max-width: 100%; overflow-x: auto; border-collapse: collapse; }
th, td { border: 1px solid #ddd; padding: 0.5rem 0.75rem; text-align: left; }
img { max-width: 100%; height: auto; }
.katex-display { overflow-x: auto; overflow-y: hidden; padding: 0.5rem 0; }
footer { border-top: 1px solid #ddd; margin-top: 2rem; padding-top: 1rem; font-size: 0.9rem; }