:root {
  color-scheme: light;
  --brand: #123c69;
  --brand-strong: #08294a;
  --accent: #1b7f79;
  --accent-soft: #e8f4f3;
  --surface: #ffffff;
  --surface-muted: #f5f7f8;
  --surface-tint: #eaf2f4;
  --border: #c9d3db;
  --text: #17212b;
  --text-muted: #4f6172;
  --alert: #8a1f11;
  --focus: #f6c945;
  font-family: "Source Sans Pro", "Segoe UI", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--surface-muted);
}

body {
  max-width: 980px;
  margin: 0 auto;
  padding: 3rem 1.5rem 4rem;
  color: var(--text);
  font-size: 1.05rem;
  line-height: 1.65;
}

body::before {
  content: "Crash Cart Check App";
  display: block;
  margin: 0 0 1rem;
  color: var(--accent);
  font-size: 0.9rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

main,
body > :not(script) {
  overflow-wrap: break-word;
}

h1 {
  margin: 0 0 1.25rem;
  border-bottom: 4px solid var(--accent);
  padding: 0 0 1rem;
  color: var(--brand-strong);
  font-size: clamp(2rem, 5vw, 3.2rem);
  line-height: 1.05;
}

h2 {
  margin: 2.75rem 0 0.75rem;
  border-top: 1px solid var(--border);
  padding-top: 1.35rem;
  color: var(--brand);
  font-size: 1.55rem;
  line-height: 1.2;
}

h3 {
  margin: 1.75rem 0 0.5rem;
  color: var(--brand-strong);
  font-size: 1.2rem;
  line-height: 1.25;
}

p {
  margin: 0.75rem 0;
}

a {
  color: var(--brand);
  font-weight: 700;
  text-decoration-thickness: 0.12em;
  text-underline-offset: 0.18em;
}

a:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

ul,
ol {
  margin: 0.75rem 0 1rem;
  padding-left: 1.5rem;
}

li {
  margin: 0.35rem 0;
}

strong {
  color: var(--brand-strong);
}

code {
  border: 1px solid var(--border);
  border-radius: 0.3rem;
  padding: 0.1rem 0.3rem;
  background: var(--surface-tint);
  color: var(--brand-strong);
  font-family: "Cascadia Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 0.95em;
}

pre {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: 0.55rem;
  padding: 1rem;
  background: #0f2538;
  color: #ffffff;
}

pre code {
  border: 0;
  padding: 0;
  background: transparent;
  color: inherit;
}

blockquote {
  margin: 1.25rem 0;
  border-left: 5px solid var(--accent);
  border-radius: 0.35rem;
  padding: 0.75rem 1rem;
  background: var(--accent-soft);
  color: var(--text);
}

table {
  width: 100%;
  margin: 1rem 0;
  border-collapse: collapse;
  background: var(--surface);
}

caption {
  margin-bottom: 0.5rem;
  color: var(--text-muted);
  font-weight: 700;
  text-align: left;
}

th,
td {
  border: 1px solid var(--border);
  padding: 0.75rem;
  vertical-align: top;
}

th {
  background: var(--surface-tint);
  color: var(--brand-strong);
  text-align: left;
}

hr {
  margin: 2rem 0;
  border: 0;
  border-top: 1px solid var(--border);
}

body > p:first-of-type {
  margin-top: 0;
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  padding: 1rem 1.15rem;
  background: var(--surface);
  color: var(--text-muted);
  font-size: 1.08rem;
}

h2 + p,
h3 + p {
  margin-top: 0.35rem;
}

h2 + ul,
h2 + ol,
h3 + ul,
h3 + ol {
  margin-top: 0.35rem;
}

li::marker {
  color: var(--accent);
  font-weight: 800;
}

@media (min-width: 760px) {
  body {
    padding-left: 2rem;
    padding-right: 2rem;
  }
}

@media print {
  html,
  body {
    background: #ffffff;
  }

  body {
    max-width: none;
    padding: 0;
    color: #000000;
    font-size: 11pt;
  }

  body::before {
    color: #000000;
  }

  h1,
  h2,
  h3 {
    color: #000000;
    break-after: avoid;
  }

  h2 {
    margin-top: 1.4rem;
  }

  a {
    color: #000000;
  }

  a[href]::after {
    content: " (" attr(href) ")";
    font-weight: 400;
  }

  pre,
  blockquote,
  table,
  ul,
  ol {
    break-inside: avoid;
  }

  pre {
    background: #ffffff;
    color: #000000;
  }
}