/* AccuGo help site — single stylesheet, mobile-first, no JS dependencies. */

:root {
  --brand: #2c5aa0;
  --brand-dark: #1c4a90;
  --ink: #1c2434;
  --ink-soft: #4a5468;
  --muted: #6b7280;
  --line: #e4e7ee;
  --bg: #ffffff;
  --bg-soft: #f6f7fb;
  --bg-tint: #eef3fb;
  --warn-bg: #fff8e1;
  --warn-line: #f0d27a;
  --code-bg: #f3f5f9;
  --radius: 8px;
  --max: 760px;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.55;
  color: var(--ink);
  background: var(--bg);
}

a { color: var(--brand); text-decoration: none; }
a:hover { color: var(--brand-dark); text-decoration: underline; }

/* Header / nav */
.site-header {
  background: var(--brand);
  color: #fff;
  padding: 1rem 1rem;
  border-bottom: 1px solid rgba(0,0,0,.08);
}
.site-header-inner {
  max-width: var(--max);
  margin: 0 auto;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: .5rem 1.25rem;
}
.site-title {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -.01em;
}
.site-title a { color: #fff; }
.site-title a:hover { text-decoration: none; opacity: .85; }
.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0 1.1rem;
  font-size: .95rem;
}
.site-nav a {
  color: rgba(255,255,255,.92);
  padding: .15rem 0;
}
.site-nav a:hover { color: #fff; }
.site-nav a[aria-current="page"] {
  color: #fff;
  border-bottom: 2px solid #fff;
}

/* Page container */
main {
  max-width: var(--max);
  margin: 0 auto;
  padding: 1.5rem 1rem 3rem;
}

h1, h2, h3 { line-height: 1.25; color: var(--ink); }
h1 { font-size: 1.85rem; margin: .25rem 0 1rem; letter-spacing: -.015em; }
h2 { font-size: 1.3rem; margin: 2rem 0 .5rem; }
h3 { font-size: 1.05rem; margin: 1.4rem 0 .35rem; }

p { margin: .6rem 0 .9rem; color: var(--ink-soft); }
ul, ol { padding-left: 1.3rem; }
li { margin: .25rem 0; color: var(--ink-soft); }

.lede {
  font-size: 1.1rem;
  color: var(--ink);
  margin-top: 0;
}

code, kbd, .ui {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: .92em;
  background: var(--code-bg);
  padding: .12em .35em;
  border-radius: 4px;
  color: var(--ink);
}
.ui { background: var(--bg-tint); color: var(--brand-dark); }

/* Section cards (used on index) */
.cards {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
  margin-top: 1.5rem;
}
@media (min-width: 600px) {
  .cards { grid-template-columns: 1fr 1fr; }
}
.card {
  display: block;
  padding: 1rem 1.1rem;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--ink);
}
.card:hover {
  background: var(--bg-tint);
  text-decoration: none;
  border-color: var(--brand);
}
.card h3 {
  margin: 0 0 .25rem;
  color: var(--brand-dark);
}
.card p {
  margin: 0;
  font-size: .95rem;
  color: var(--ink-soft);
}

/* Callouts */
.callout {
  border: 1px solid var(--line);
  background: var(--bg-soft);
  border-left: 4px solid var(--brand);
  border-radius: var(--radius);
  padding: .75rem 1rem;
  margin: 1.25rem 0;
}
.callout.warn {
  background: var(--warn-bg);
  border-color: var(--warn-line);
  border-left-color: #c08a00;
}
.callout p { margin: .25rem 0; }
.callout-title {
  font-weight: 600;
  color: var(--ink);
}

/* Variant pills */
.pill {
  display: inline-block;
  font-size: .75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .04em;
  padding: .1rem .5rem;
  border-radius: 999px;
  vertical-align: 2px;
}
.pill.pku { background: #e3edff; color: #1c4a90; }
.pill.hcu { background: #fde9d5; color: #944a0d; }
.pill.both { background: #e7f6ec; color: #1c6e3a; }

/* Definition lists for settings, fields */
dl.fields {
  margin: 1rem 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: .5rem 1rem;
}
dl.fields dt {
  font-weight: 600;
  color: var(--ink);
  margin-top: .5rem;
}
dl.fields dd {
  margin: 0 0 .35rem 0;
  color: var(--ink-soft);
}

/* Tables */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
  font-size: .95rem;
}
th, td {
  text-align: left;
  padding: .5rem .6rem;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
th {
  background: var(--bg-soft);
  font-weight: 600;
  color: var(--ink);
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 1.25rem 1rem 2rem;
  text-align: center;
  font-size: .9rem;
  color: var(--muted);
}
.site-footer a { color: var(--muted); }
.site-footer a:hover { color: var(--brand); }

/* Skip link for keyboard users */
.skip {
  position: absolute;
  left: -9999px;
}
.skip:focus {
  left: 1rem;
  top: 1rem;
  background: #fff;
  color: var(--brand-dark);
  padding: .5rem .75rem;
  border-radius: 4px;
  z-index: 10;
}