:root { color-scheme: light dark; --paper: #fbfaf7; --ink: #182e38; --muted: #53666d; --line: #c9d5d6; --link: #075f69; --panel: #edf2f0; --focus: #a85100; }
* { box-sizing: border-box; }
html { scroll-padding-top: 1rem; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 19px/1.72 Georgia, 'Times New Roman', serif; }
nav, footer { font: 14px/1.5 system-ui, sans-serif; color: var(--muted); }
nav { display: flex; flex-wrap: wrap; gap: 12px 28px; border-bottom: 1px solid var(--line); padding: 18px max(24px, calc((100vw - 900px) / 2)); }
main { width: 100%; max-width: 900px; margin: auto; padding: 54px 30px 72px; overflow-wrap: anywhere; }
footer { border-top: 1px solid var(--line); padding: 24px; text-align: center; }
h1, h2, h3, h4 { font-family: system-ui, sans-serif; letter-spacing: -.025em; line-height: 1.2; text-wrap: balance; }
h1 { font-size: clamp(33px, 5vw, 48px); margin: 0 0 28px; }
h2 { font-size: 31px; margin: 64px 0 24px; }
h3 { font-size: 24px; margin: 38px 0 18px; }
h4 { font-size: 21px; margin: 30px 0 16px; }
p { margin: 0 0 22px; } li { margin: 8px 0; } li p { margin: 0 0 8px; }
a { color: var(--link); text-underline-offset: .17em; } a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 4px; }
.skip-link { position: absolute; left: 16px; top: -100px; background: var(--paper); padding: 10px; z-index: 5; } .skip-link:focus { top: 8px; }
figure { margin: 34px 0 38px; }
picture, img, video { display: block; max-width: 100%; height: auto; }
img, video { width: 100%; border: 1px solid var(--line); border-radius: 8px; background: #fff; }
figcaption, .media-note, .figure-links, details { font: 14px/1.55 system-ui, sans-serif; color: var(--muted); }
.figure-links { margin: 10px 0 12px; }
figcaption { margin: 12px 0; } figcaption em { font-style: normal; }
details { border-left: 2px solid var(--line); padding-left: 14px; margin-top: 12px; } details p { margin: 10px 0 0; } summary { cursor: pointer; }
.media { margin: 28px 0 20px; padding: 18px; border: 1px solid var(--line); border-radius: 10px; background: var(--panel); }
.media > p:first-child { font: 600 16px/1.5 system-ui, sans-serif; margin-bottom: 14px; } .media-note { margin: 12px 0 0; } video { max-height: 480px; }
table { width: 100%; border-collapse: collapse; font: 15px/1.55 system-ui, sans-serif; }
.table-scroll { margin: 26px 0; overflow-x: auto; }
th, td { padding: 12px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; } th { background: var(--panel); font-weight: 650; }
code { font: .88em/1.5 ui-monospace, SFMono-Regular, Consolas, monospace; }
pre { padding: 18px; background: var(--panel); border-radius: 8px; white-space: pre-wrap; overflow-wrap: anywhere; } pre code { font-size: 14px; }
blockquote { border-left: 3px solid var(--line); padding-left: 20px; margin-left: 0; color: var(--muted); }
hr { border: 0; border-top: 1px solid var(--line); margin: 40px 0; }
@media (max-width: 640px) {
  body { font-size: 17px; line-height: 1.68; } nav { padding: 16px; font-size: 13px; } main { padding: 32px 16px 48px; }
  h2 { font-size: 27px; margin-top: 44px; } h3 { font-size: 22px; } h4 { font-size: 19px; }
  figure { margin: 26px 0 30px; } .media { padding: 12px; }
  .table-scroll table, .table-scroll tbody { display: block; }
  .table-scroll thead { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }
  .table-scroll tr { display: block; border: 1px solid var(--line); border-radius: 8px; padding: 8px; margin-bottom: 12px; }
  .table-scroll td { display: block; border: 0; padding: 8px; }
  .table-scroll td::before { content: attr(data-label); display: block; font-weight: 650; color: var(--muted); margin-bottom: 4px; }
}
@media (prefers-color-scheme: dark) { :root { --paper: #14242c; --ink: #e8eeed; --muted: #b6c8cc; --line: #49616c; --link: #99e3d8; --panel: #20363f; --focus: #ffc66d; } }
@media print {
  :root { color-scheme: light; --paper: #fff; --ink: #182e38; --muted: #53666d; --line: #c9d5d6; --link: #075f69; --panel: #edf2f0; }
  nav, .skip-link, footer { display: none; } body { font-size: 11pt; line-height: 1.5; } main { max-width: none; padding: 0; }
  h1 { font-size: 28pt; } h2 { font-size: 19pt; margin-top: 24pt; } h3 { font-size: 15pt; }
  h1, h2, h3, h4 { break-after: avoid; } figure, .media, tr { break-inside: avoid; } thead { display: table-header-group; }
}