/* FastStart Online — single stylesheet. System fonts only, no external requests. */

:root {
  --navy: #0f2340;
  --navy-soft: #1d3557;
  --stone: #f2efe9;
  --paper: #fdfcfa;
  --ink: #1b222c;
  --ink-soft: #3f4a58;
  --sea: #10564a;
  --sea-bright: #8fd3bc;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.62;
}

.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--navy);
  color: #fff;
  padding: 10px 16px;
  z-index: 20;
}
.skip:focus { left: 0; }

a { color: var(--sea); text-decoration: underline; text-underline-offset: 2px; }
a:hover { color: var(--navy); }
a:focus-visible,
button:focus-visible { outline: 3px solid var(--navy); outline-offset: 2px; }

/* ---------- Top bar ---------- */

.top { background: var(--navy); color: #fff; }
.top-in {
  max-width: 1180px;
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
}
.brand {
  color: #fff;
  font-weight: 700;
  font-size: 1.1rem;
  text-decoration: none;
}
.brand:hover { color: var(--sea-bright); }
.top-index { color: var(--sea-bright); font-size: 0.9rem; }
.top-index:hover { color: #fff; }

/* ---------- Layout ---------- */

.wrap {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 20px 56px;
  display: grid;
  grid-template-columns: 236px minmax(0, 1fr);
  gap: 48px;
  align-items: start;
}

.main { max-width: 760px; padding-top: 34px; }

/* ---------- Sidebar ---------- */

.rail-toggle { display: none; }

.rail {
  position: sticky;
  top: 0;
  padding: 34px 0 24px;
  font-size: 0.93rem;
  grid-column: 1;
  grid-row: 1;
}
.rail-h {
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-soft);
  margin: 0 0 8px;
  font-weight: 700;
}
.rail-h + .rail-list { margin-bottom: 26px; }
.rail-list { list-style: none; margin: 0; padding: 0; }
.rail-list li { margin: 0; }
.rail-list a {
  display: block;
  padding: 5px 10px 5px 8px;
  color: var(--ink);
  text-decoration: none;
  line-height: 1.35;
}
.rail-list a:hover { background: var(--stone); color: var(--navy); }
.rail-list a[aria-current="page"] { background: var(--navy); color: #fff; font-weight: 600; }

/* ---------- Typography ---------- */

h1 { font-size: 2rem; line-height: 1.2; margin: 0 0 14px; color: var(--navy); }
h2 { font-size: 1.3rem; line-height: 1.3; margin: 38px 0 12px; color: var(--navy); }
h3 { font-size: 1.05rem; margin: 26px 0 8px; color: var(--navy-soft); }
p { margin: 0 0 16px; }
.lede { font-size: 1.12rem; color: var(--ink-soft); }
.main ul, .main ol { margin: 0 0 16px; padding-left: 22px; }
.main li { margin-bottom: 7px; }
code { font-family: var(--mono); font-size: 0.92em; }

/* ---------- Components ---------- */

.quick {
  background: var(--stone);
  padding: 18px 22px;
  margin: 0 0 28px;
  border-radius: 2px;
}
.quick h2 {
  margin: 0 0 8px;
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--sea);
}
.quick p:last-child { margin-bottom: 0; }

.disclose {
  background: #e4ece6;
  padding: 20px 22px;
  margin: 0 0 30px;
  border-radius: 2px;
}
.disclose h2 { margin: 0 0 8px; font-size: 1rem; }
.disclose p:last-child { margin-bottom: 0; }

.callout {
  background: var(--stone);
  padding: 18px 22px;
  margin: 26px 0;
  border-radius: 2px;
}
.callout h3 { margin-top: 0; }
.callout p:last-child, .callout ul:last-child { margin-bottom: 0; }

.keyterms {
  background: #eceff4;
  padding: 18px 22px;
  margin: 26px 0;
  border-radius: 2px;
}
.keyterms h3 { margin-top: 0; }
.keyterms dl { margin: 0; }

dl.defs { margin: 0 0 22px; }
dl.defs dt { font-weight: 700; color: var(--navy); margin-top: 12px; }
dl.defs dd { margin: 2px 0 0; color: var(--ink-soft); }

dl.index { margin: 0 0 10px; }
dl.index dt { margin-top: 16px; font-size: 1.02rem; }
dl.index dt a { font-weight: 700; text-decoration: none; }
dl.index dt a:hover { text-decoration: underline; }
dl.index dd { margin: 2px 0 0; color: var(--ink-soft); }

@media (min-width: 720px) {
  dl.index { display: grid; grid-template-columns: 17em minmax(0, 1fr); gap: 0 24px; }
  dl.index dt { margin-top: 0; padding: 9px 0 9px 10px; }
  dl.index dd { margin: 0; padding: 9px 10px 9px 0; }
  dl.index dt:nth-of-type(even),
  dl.index dd:nth-of-type(even) { background: var(--stone); }
}

table { border-collapse: collapse; width: 100%; margin: 0 0 24px; font-size: 0.96rem; }
caption { text-align: left; font-size: 0.86rem; color: var(--ink-soft); padding-bottom: 8px; }
th, td { text-align: left; vertical-align: top; padding: 10px 12px; }
thead th { background: var(--navy); color: #fff; font-weight: 600; }
tbody tr:nth-child(odd) { background: var(--stone); }
tbody th { font-weight: 600; color: var(--navy); }

.example {
  background: #eaeee9;
  padding: 18px 22px;
  margin: 26px 0;
  border-radius: 2px;
}
.example h3 { margin-top: 0; }
.example p:last-child { margin-bottom: 0; }

.related {
  background: var(--stone);
  padding: 18px 22px;
  margin: 36px 0 0;
  border-radius: 2px;
}
.related h2 { margin: 0 0 8px; font-size: 1rem; }
.related ul { margin: 0; padding-left: 20px; }

.seealso { margin: 24px 0; padding: 12px 0; font-size: 0.95rem; color: var(--ink-soft); }
.seealso strong { color: var(--navy); }

.az { background: var(--stone); padding: 18px 22px; border-radius: 2px; margin: 0 0 24px; }
.az dl { margin: 0; }
.az dt { font-family: var(--mono); font-weight: 700; color: var(--navy); margin-top: 10px; }
.az dd { margin: 0; color: var(--ink-soft); }

.aff { background: #e4ece6; padding: 18px 22px; margin: 26px 0; border-radius: 2px; }
.aff p { margin: 0 0 10px; }
.aff-note { font-size: 0.88rem; color: var(--ink-soft); margin: 0; }
.aff-link { font-weight: 600; }

.map { margin: 24px 0; }
.map svg { width: 100%; height: auto; display: block; }

.updated { font-size: 0.88rem; color: var(--ink-soft); margin: 0 0 24px; }

.legal h2 { font-size: 1.15rem; }
.legal table th, .legal table td { font-size: 0.95rem; }

/* ---------- Narrow screens ---------- */

@media (max-width: 860px) {
  .wrap { display: block; padding-bottom: 40px; }
  .rail-toggle {
    display: block;
    width: 100%;
    margin: 20px 0 0;
    padding: 11px 14px;
    background: var(--navy);
    color: #fff;
    border: 0;
    border-radius: 2px;
    font: inherit;
    font-size: 0.95rem;
    text-align: left;
    cursor: pointer;
  }
  .rail-toggle::after { content: " \25bc"; font-size: 0.7em; }
  .rail-toggle[aria-expanded="true"]::after { content: " \25b2"; }
  .rail { position: static; padding: 14px 0 4px; background: var(--stone); }
  .rail[hidden] { display: none; }
  .rail-list a { padding: 9px 14px; }
  .main { padding-top: 26px; }
  h1 { font-size: 1.65rem; }
  table { display: block; overflow-x: auto; }
}

/* ---------- Footer ---------- */

.foot { background: var(--navy); color: #e9edf3; font-size: 0.9rem; line-height: 1.6; }
.foot-in {
  max-width: 1180px;
  margin: 0 auto;
  padding: 32px 20px 40px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.25fr);
  gap: 18px 48px;
}
.foot p { margin: 0 0 4px; }
.foot a { color: var(--sea-bright); }
.foot a:hover { color: #fff; }
.foot a:focus-visible { outline: 3px solid var(--sea-bright); outline-offset: 2px; }
.foot-name { font-weight: 700; color: #fff; font-size: 1rem; }
.foot-links { margin-bottom: 12px; }
.foot-tm { color: #c9d1dc; margin-bottom: 12px; }
.foot-checked { color: #c9d1dc; }

@media (max-width: 860px) {
  .foot-in { display: block; }
  .foot-col + .foot-col { margin-top: 18px; }
}