/* Ripple Help (docs.listwithripple.com). Ripple's colours: navy #0b2545, teal #0b7f8a. */
:root { --bg: #f6f9fb; --panel: #fff; --ink: #13212e; --muted: #5d6f7d; --line: #dfe7ec; --navy: #0b2545; --accent: #0b7f8a; --accent-soft: #e3f4f5;
  --note: #eef6fb; --note-line: #b9d8ea; --warn: #fff6e5; --warn-line: #f0d39a; --code: #eef2f5; }
@media (prefers-color-scheme: dark) { :root { --bg: #0a131b; --panel: #101c27; --ink: #e5edf2; --muted: #93a6b4; --line: #203241; --accent: #3cc6d1; --accent-soft: #11313a;
  --note: #10263a; --note-line: #23506e; --warn: #2e2412; --warn-line: #6b5422; --code: #172734; } }
* { box-sizing: border-box; }
html { scroll-padding-top: 76px; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.65 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
a { color: var(--accent); }
.top { position: sticky; top: 0; z-index: 20; display: flex; align-items: center; gap: 14px; height: 60px; padding: 0 20px; background: var(--navy); color: #fff; }
.brand { display: flex; align-items: center; gap: 8px; color: #fff; text-decoration: none; font-size: 18px; white-space: nowrap; }
.brand img { border-radius: 7px; } .brand span { opacity: .75; font-weight: 400; }
.menu { display: none; background: none; border: 0; color: #fff; font-size: 22px; padding: 6px; cursor: pointer; }
.search { position: relative; flex: 1; max-width: 460px; margin-left: auto; }
.search input { width: 100%; font: inherit; font-size: 15px; padding: 8px 12px; border-radius: 9px; border: 1px solid #ffffff33; background: #ffffff14; color: #fff; }
.search input::placeholder { color: #ffffffa0; }
.results { position: absolute; top: 44px; left: 0; right: 0; background: var(--panel); color: var(--ink); border: 1px solid var(--line); border-radius: 12px; box-shadow: 0 12px 40px rgba(0,0,0,.18); max-height: 70vh; overflow: auto; padding: 6px; }
.results a { display: block; padding: 9px 11px; border-radius: 8px; color: var(--ink); text-decoration: none; }
.results a:hover, .results a.on { background: var(--accent-soft); }
.results small { display: block; color: var(--muted); font-size: 13px; }
.results mark { background: #ffe58a; color: inherit; border-radius: 3px; }
.results .none { padding: 10px; color: var(--muted); }
.out { color: #fff; opacity: .8; font-size: 14px; text-decoration: none; white-space: nowrap; }
.wrap { display: grid; grid-template-columns: 250px minmax(0, 1fr) 210px; gap: 36px; max-width: 1280px; margin: 0 auto; padding: 0 20px; }
.side { position: sticky; top: 60px; align-self: start; max-height: calc(100vh - 60px); overflow: auto; padding: 24px 0 40px; }
.nav-sec { margin-bottom: 18px; }
.nav-sec p { margin: 0 0 6px; font-size: 12px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }
.nav-sec a { display: block; padding: 5px 10px; border-radius: 7px; color: var(--ink); text-decoration: none; font-size: 15px; }
.nav-sec a:hover { background: var(--accent-soft); }
.nav-sec a.on { background: var(--accent-soft); color: var(--accent); font-weight: 600; }
main { padding: 32px 0 60px; min-width: 0; }
article { background: var(--panel); border: 1px solid var(--line); border-radius: 16px; padding: 34px 40px; }
article h1 { font-size: 32px; line-height: 1.2; margin: 0 0 14px; letter-spacing: -.01em; }
article h2 { font-size: 22px; margin: 34px 0 10px; padding-top: 6px; border-top: 1px solid var(--line); }
article h3 { font-size: 18px; margin: 24px 0 8px; }
article h1 + p { font-size: 18px; color: var(--muted); }
.anchor { float: left; margin-left: -22px; padding-right: 6px; color: var(--muted); opacity: 0; text-decoration: none; }
h2:hover .anchor, h3:hover .anchor { opacity: .6; }
article ul, article ol { padding-left: 24px; } article li { margin: 4px 0; }
code { font: 14px ui-monospace, SFMono-Regular, Menlo, monospace; background: var(--code); padding: 1px 6px; border-radius: 5px; }
pre { background: var(--code); padding: 14px 16px; border-radius: 10px; overflow: auto; } pre code { padding: 0; background: none; }
img { max-width: 100%; border-radius: 10px; border: 1px solid var(--line); }
.callout { border: 1px solid var(--note-line); background: var(--note); border-radius: 12px; padding: 4px 16px; margin: 16px 0; }
.callout.warn { border-color: var(--warn-line); background: var(--warn); }
.table { overflow-x: auto; margin: 16px 0; }
table { border-collapse: collapse; width: 100%; font-size: 15px; }
th, td { text-align: left; padding: 9px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: 13px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }
.pn { display: flex; justify-content: space-between; gap: 12px; margin-top: 18px; }
.pn a { flex: 1; max-width: 48%; border: 1px solid var(--line); background: var(--panel); border-radius: 12px; padding: 12px 16px; text-decoration: none; font-weight: 600; }
.pn a small { display: block; color: var(--muted); font-weight: 400; font-size: 13px; } .pn a.next { text-align: right; margin-left: auto; }
.toc { position: sticky; top: 60px; align-self: start; padding: 32px 0; font-size: 14px; }
.toc p { margin: 0 0 8px; font-weight: 700; font-size: 12px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }
.toc a { display: block; padding: 3px 0; color: var(--muted); text-decoration: none; } .toc a:hover { color: var(--accent); } .toc a.l3 { padding-left: 12px; }
footer { text-align: center; color: var(--muted); font-size: 14px; padding: 10px 20px 40px; }
@media (max-width: 1100px) { .wrap { grid-template-columns: 230px minmax(0, 1fr); } .toc { display: none; } }
@media (max-width: 780px) {
  .top { padding: 0 12px; gap: 8px; } .menu { display: block; } .out { display: none; } .brand span { display: none; }
  .wrap { display: block; padding: 0 16px; }
  .side { display: none; position: fixed; inset: 60px 0 0 0; z-index: 15; max-height: none; background: var(--bg); padding: 20px; }
  body.nav-open .side { display: block; }
  main { padding: 18px 0 40px; } article { padding: 22px 18px; border-radius: 14px; } article h1 { font-size: 26px; }
  .anchor { display: none; }
}