/* Static pages of Satoshi Mail: a calm reading layout, system fonts only (nothing blocks the first paint). */
:root { --bg: #f6f8fc; --surface: #ffffff; --ink: #1f1f1f; --ink-2: #444746; --ink-3: #5f6368; --line: #e1e3e1; --accent: #0b57d0; --satoshi: #b35f00; --sat-bg: #fff4e5; --quote: #c4c7c5;
  color-scheme: light; --serif: "Iowan Old Style", "Palatino Linotype", Georgia, "Times New Roman", serif; --ui: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
@media (prefers-color-scheme: dark) { :root { --bg: #111111; --surface: #1e1f20; --ink: #e3e3e3; --ink-2: #c4c7c5; --ink-3: #a5a9ad; --line: #3c4043; --accent: #a8c7fa; --satoshi: #f6b26b; --sat-bg: #2c2216; --quote: #5f6368; color-scheme: dark; } }
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 17px/1.6 var(--ui); }
a { color: var(--accent); text-underline-offset: 2px; }
.in { max-width: 860px; margin: 0 auto; padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); }
.sh { background: var(--surface); border-bottom: 1px solid var(--line); }
.sh .in { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 20px; padding-block: 10px; }
.brand { display: inline-flex; align-items: center; gap: 8px; color: var(--ink); text-decoration: none; font-size: 20px; min-height: 44px; }
.brand b { font-weight: 600; }
.beta { font: 700 11px/1 var(--ui); letter-spacing: .8px; text-transform: uppercase; color: var(--satoshi); border: 1px solid currentColor; border-radius: 10px; padding: 4px 7px; }
.sh nav { display: flex; flex-wrap: wrap; gap: 4px 16px; font-size: 15px; }
.sh nav a { display: inline-flex; align-items: center; min-height: 44px; text-decoration: none; }
.open { margin-left: auto; display: inline-flex; align-items: center; min-height: 40px; padding: 0 16px; border-radius: 20px; background: var(--accent); color: var(--surface); text-decoration: none; font-weight: 600; font-size: 15px; }
.crumbs { font-size: 14px; color: var(--ink-3); }
.crumbs .in { padding-block: 10px; }
.crumbs a { display: inline-block; padding: 6px 0; }
main.in { padding-block: 8px 48px; }
h1 { font: 600 clamp(28px, 5vw, 38px)/1.2 var(--serif); margin: 12px 0 8px; text-wrap: balance; overflow-wrap: anywhere; }
h2 { font: 600 24px/1.3 var(--serif); margin: 32px 0 10px; text-wrap: balance; }
h3 { font: 600 19px/1.35 var(--serif); margin: 24px 0 8px; }
.lead { color: var(--ink-2); font-size: 18px; }
.muted { color: var(--ink-3); font-size: 15px; }
.actions { display: flex; flex-wrap: wrap; gap: 10px; margin: 16px 0 24px; }
.btn { display: inline-flex; align-items: center; min-height: 44px; padding: 0 18px; border-radius: 22px; background: var(--accent); color: var(--surface); text-decoration: none; font-weight: 600; font-size: 15px; }
.btn.ghost { background: transparent; color: var(--accent); border: 1px solid var(--line); }
.msg { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 16px 18px; margin: 0 0 14px; scroll-margin-top: 16px; }
.msg.sat { border-color: var(--satoshi); background: linear-gradient(var(--sat-bg), var(--sat-bg)) top / 100% 4px no-repeat, var(--surface); }
.msg header { margin: 0 0 10px; font-size: 15px; }
.msg header b { font-size: 16px; }
.msg:target { outline: 3px solid var(--accent); outline-offset: 2px; }
.t { white-space: pre-wrap; overflow-wrap: anywhere; margin: 0 0 12px; }
.t.small { font-size: 14px; color: var(--ink-3); }
blockquote { margin: 0 0 12px; padding-left: 12px; border-left: 2px solid var(--quote); color: var(--ink-2); }
.qh { font-size: 14px; color: var(--ink-3); }
pre { font: 13.5px/1.5 var(--mono); background: var(--bg); border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; overflow-x: auto; }
.note { background: var(--sat-bg); border-radius: 10px; padding: 10px 12px; font-size: 15px; }
.related, .infobox, .toc { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 14px 18px; }
.related { margin: 28px 0; }
.related h2 { margin-top: 0; font-size: 20px; }
.related ul, .list, .cards { padding-left: 20px; }
.list li, .cards li, .related li, .wiki ul li { margin: 6px 0; }
.cards { list-style: none; padding: 0; display: grid; gap: 10px; }
.cards li { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 12px 16px; }
.prevnext { display: flex; justify-content: space-between; gap: 16px; margin-top: 28px; font-size: 15px; }
.prevnext a { max-width: 48%; padding: 10px 0; }
.pager { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
.pager a { display: inline-grid; place-items: center; min-width: 44px; min-height: 44px; border: 1px solid var(--line); border-radius: 10px; text-decoration: none; }
.pager a[aria-current] { background: var(--accent); color: var(--surface); border-color: transparent; }
details { margin: 0 0 8px; }
summary { cursor: pointer; padding: 8px 0; min-height: 44px; }
.wiki .from { color: var(--ink-3); margin-top: 0; }
.infobox { float: right; width: min(300px, 40%); margin: 4px 0 16px 20px; font-size: 15px; }
.infobox .cap { color: var(--ink-3); margin: 4px 0 8px; }
.infobox dl { display: grid; grid-template-columns: auto 1fr; gap: 6px 12px; margin: 0; }
.infobox dt { color: var(--ink-3); }
.infobox dd { margin: 0; }
.toc { display: inline-block; margin: 8px 0 8px; font-size: 15px; }
.toc ol { margin: 6px 0 0; padding-left: 20px; }
.refs { font-size: 15px; }
.refs li:target { background: var(--sat-bg); }
.live table, .wiki table { border-collapse: collapse; margin: 8px 0; font-size: 15px; display: block; overflow-x: auto; max-width: 100%; }
.wiki th, .wiki td { border: 1px solid var(--line); padding: 6px 10px; text-align: left; }
.cats { color: var(--ink-3); font-size: 15px; border-top: 1px solid var(--line); padding-top: 12px; margin-top: 28px; }
sup.ref a { display: inline-block; padding: 6px 3px; margin: -6px -1px; text-decoration: none; }
.sf { border-top: 1px solid var(--line); background: var(--surface); color: var(--ink-2); font-size: 15px; }
.sf .in { padding-block: 16px 28px; }
@media (max-width: 640px) {
  .infobox { float: none; width: auto; margin: 8px 0 16px; }
  .open { margin-left: 0; }
  .prevnext { flex-direction: column; }
  .prevnext a { max-width: none; }
}

/* About → Licenses and terms */
.tablewrap { overflow-x: auto; margin: 12px 0; }
table.terms { width: 100%; border-collapse: collapse; font-size: 14px; line-height: 1.45; }
table.terms th { text-align: left; font-size: 12px; color: var(--ink-3); padding: 6px 10px; border-bottom: 2px solid var(--line); }
table.terms td { vertical-align: top; padding: 8px 10px; border-bottom: 1px solid var(--line); }
table.terms code { font-size: 12.5px; }

/* Satoshipedia editorial line; About sections */
.edline { margin: 22px 0 8px; padding: 10px 12px; border: 1px solid var(--line); border-radius: 8px; background: var(--sat-bg); font-size: 14px; line-height: 1.5; }
.ed ul { padding-left: 20px; }
.ed li { margin-bottom: 6px; }
.ed-sig { color: var(--ink-3); font-style: italic; }