:root { color-scheme: light; --ink: #252b35; --muted: #515c6b; --blue: #075caa; --line: #cbd4df; }
* { box-sizing: border-box; }
html { scroll-padding-top: 1.5rem; }
body { margin: 0; color: var(--ink); background: #fafbfc; font: 1.125rem/1.65 system-ui, -apple-system, "Segoe UI", sans-serif; }
header, main, footer { width: min(100% - 2.5rem, 960px); margin: auto; }
header { padding: 3.5rem 0 2.5rem; }
h1 { font-size: clamp(2.3rem, 5vw, 3.6rem); line-height: 1.14; letter-spacing: -.035em; margin: .4rem 0 1.4rem; }
h1 span { color: var(--blue); }
h2 { font-size: clamp(1.55rem, 3vw, 2rem); line-height: 1.25; margin: 0 0 1.15rem; }
h3 { font-size: 1.35rem; line-height: 1.35; margin: 2.4rem 0 1rem; }
p { margin: 0 0 1.1rem; }
.lead { font-size: 1.25rem; max-width: 770px; }
.eyebrow, .step { color: var(--blue); font-weight: 700; font-size: .95rem; }
a { color: var(--blue); text-underline-offset: .18em; overflow-wrap: anywhere; }
a:hover { text-decoration-thickness: .14em; }
a:focus-visible, summary:focus-visible { outline: 3px solid #b34c00; outline-offset: 4px; }
.button { display: inline-block; background: var(--blue); color: white; border-radius: .4rem; padding: .6rem 1rem; font-weight: 650; }
section, .contents { border-top: 1px solid var(--line); padding: 2.5rem 0; }
ol, ul { padding-left: 1.5rem; }
/* Each instruction occupies its own content-sized row, including wrapped text. */
ol:not(.flow), ul:not(.routes) { display: grid; grid-template-columns: minmax(0, 1fr); gap: .8rem; }
li { min-width: 0; padding-left: .2rem; margin: 0; line-height: 1.65; white-space: normal; overflow-wrap: anywhere; }
.flow, .routes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; padding: 0; list-style: none; margin: 1.5rem 0; }
.flow li, .routes a { background: #eaf2fa; border: 1px solid var(--line); border-radius: .5rem; padding: 1rem; margin: 0; }
.flow strong, .routes strong { display: block; margin-bottom: .4rem; }
.flow span, .routes span { display: block; font-size: 1rem; color: var(--muted); }
.routes a { height: 100%; display: block; }
.routes li { margin: 0; padding: 0; }
.contents { background: #f0f5fb; border: 1px solid var(--line); padding: 1.8rem; border-radius: .5rem; margin-bottom: 2.5rem; }
figure { margin: 1.8rem 0; }
figure img { width: 100%; height: auto; display: block; border: 1px solid var(--line); border-radius: .4rem; background: white; }
figure.compact { max-width: 640px; }
figcaption { color: var(--muted); font-size: .94rem; margin-top: .65rem; line-height: 1.5; }
.source { font-size: .94rem; color: var(--muted); }
code { font-size: .95em; background: #eaf0f5; border-radius: .15rem; padding: .12rem .28rem; overflow-wrap: anywhere; }
pre { overflow-x: auto; background: #eaf0f5; border-radius: .4rem; padding: 1.25rem; font-size: .97rem; line-height: 1.65; }
pre code { padding: 0; background: transparent; overflow-wrap: normal; }
details { border: 1px solid var(--line); border-radius: .4rem; padding: 1rem 1.25rem; margin: 1.5rem 0; }
summary { cursor: pointer; color: var(--blue); font-weight: 650; }
details p { margin-top: 1rem; }
.routine { border-left: 4px solid var(--blue); padding-left: 1rem; }
dt { font-weight: 750; margin-top: 1.5rem; }
dd { margin: .4rem 0 1rem; }
footer { border-top: 1px solid var(--line); padding: 2.5rem 0; font-size: .95rem; color: var(--muted); }
footer h2 { font-size: 1.3rem; }
.skip { position: absolute; left: 1rem; top: -5rem; background: white; padding: .5rem; z-index: 2; }
.skip:focus { top: 1rem; }
@media (max-width: 650px) {
  body { font-size: 1.05rem; }
  header, main, footer { width: calc(100% - 2rem); }
  header { padding-top: 2.4rem; }
  .flow, .routes { grid-template-columns: 1fr; gap: .6rem; }
  .contents { padding: 1.25rem; }
  pre { font-size: .85rem; padding: 1rem; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
@media print {
  body { background: white; font-size: 11pt; }
  header, main, footer { width: 100%; }
  .contents, .skip, .button { display: none; }
  section { padding: 1.2rem 0; }
  h2, h3 { break-after: avoid; }
  figure { break-inside: avoid; }
  figure img { max-height: 14cm; width: auto; max-width: 100%; }
}
[hidden] { display: none !important; }