/* wcag.evomedia.net — the scanner page. System fonts only (no web fonts to
   fetch), light and dark, every colour pair checked against WCAG AA:
   light  text #1a2d42 on #fff 14.0:1, muted #4d5c6b 6.9:1, link #003366 12.6:1
   dark   text #e8eef5 on #0f1a26 15.6:1, muted #aab6c4 8.9:1, link #9ec4ea 9.4:1 */
:root {
  color-scheme: light dark;
  --bg: #ffffff;
  --ink: #1a2d42;
  --muted: #4d5c6b;
  --link: #003366;
  --line: #c9d6e3;
  --panel: #f3f6fa;
  --head-bg: #003366;
  --head-ink: #ffffff;
  --btn-bg: #003366;
  --btn-ink: #ffffff;
  --err: #8b1a1a;
  --crit: #8b1a1a;
  --ser: #8a4b00;
  --mod: #5b5b00;
  --min: #2a5580;
  --focus-out: #0b1f4d;
  --focus-in: #ffffff;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1a26;
    --ink: #e8eef5;
    --muted: #aab6c4;
    --link: #9ec4ea;
    --line: #2d3b4b;
    --panel: #15222f;
    --head-bg: #0b1f33;
    --head-ink: #ffffff;
    --btn-bg: #9ec4ea;
    --btn-ink: #0f1a26;
    --err: #ff9a9a;
    --crit: #ff9a9a;
    --ser: #ffc98a;
    --mod: #e6e68a;
    --min: #9ec4ea;
    --focus-out: #ffffff;
    --focus-in: #0b1f4d;
  }
}

* { box-sizing: border-box; }

html { scroll-padding-top: 5rem; }

body {
  margin: 0;
  font: 17px/1.55 system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  color: var(--ink);
  background: var(--bg);
}

a { color: var(--link); text-underline-offset: 0.15em; }

/* Two-colour focus ring: clears 3:1 on the navy header and on the page. */
:focus-visible {
  outline: 3px solid var(--focus-out);
  outline-offset: 2px;
  box-shadow: 0 0 0 2px var(--focus-in);
}

.skip {
  position: absolute;
  left: -999px;
  top: 0;
  z-index: 100;
  padding: 0.6rem 1rem;
  background: var(--bg);
  color: var(--link);
}
.skip:focus { left: 1rem; top: 0.5rem; }

/* The header never scrolls away. */
.top {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--head-bg);
  color: var(--head-ink);
}
.top-inner {
  max-width: 64rem;
  margin: 0 auto;
  padding: 0.6rem 1rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.4rem 1.25rem;
}
.top a { color: var(--head-ink); }
.top .top-inner :focus-visible { outline-color: #ffffff; box-shadow: 0 0 0 2px #0b1f4d; }
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-weight: 700;
  font-size: 1.1rem;
  text-decoration: none;
  min-height: 44px;
}
.brand img { border-radius: 7px; background: #ffffff; }
.top nav { display: flex; flex-wrap: wrap; gap: 0.2rem 1.1rem; }
.top nav a { display: inline-flex; align-items: center; min-height: 44px; font-weight: 600; }

main, .foot { max-width: 64rem; margin: 0 auto; padding: 0 1rem; }
main { padding-top: 1.5rem; padding-bottom: 2rem; }
h1 { font-size: clamp(1.6rem, 4vw, 2.2rem); line-height: 1.2; margin: 0.5rem 0; }
h2 { font-size: 1.3rem; margin-top: 2.2rem; }
.lede { color: var(--muted); max-width: 48rem; }

.scan { margin: 1.5rem 0 0.5rem; padding: 1rem; background: var(--panel); border: 1px solid var(--line); border-radius: 12px; }
.scan label { display: block; font-weight: 600; margin-bottom: 0.4rem; }
.row { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.row input {
  flex: 1 1 16rem;
  min-width: 0;
  min-height: 48px;
  padding: 0.6rem 0.8rem;
  font: inherit;
  color: var(--ink);
  background: var(--bg);
  border: 1px solid var(--muted);
  border-radius: 10px;
}
.row button {
  min-height: 48px;
  padding: 0 1.4rem;
  font: inherit;
  font-weight: 700;
  color: var(--btn-ink);
  background: var(--btn-bg);
  border: 0;
  border-radius: 10px;
  cursor: pointer;
}
.row button:disabled { opacity: 0.6; cursor: progress; }
.hint { color: var(--muted); font-size: 0.92rem; margin: 0.5rem 0 0; }

.status { min-height: 1.5em; font-weight: 600; margin: 1.2rem 0 0.4rem; }
.status[data-kind='failed'] { color: var(--err); }

.results { overflow-x: auto; }
.scan-table { width: 100%; border-collapse: collapse; margin: 0.5rem 0 1rem; font-size: 0.94rem; }
.scan-table caption { text-align: left; font-weight: 600; padding: 0.3rem 0; }
.scan-table th, .scan-table td { text-align: left; vertical-align: top; border: 1px solid var(--line); padding: 0.45rem 0.55rem; }
.scan-table small { color: var(--muted); overflow-wrap: anywhere; }
.scan-err { color: var(--err); }
.scan-rule h4 { margin-bottom: 0.2rem; font-size: 1.05rem; }
.scan-impact { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.05em; padding: 0.1rem 0.45rem; border: 1px solid currentColor; border-radius: 0.3rem; vertical-align: middle; }
.scan-critical { color: var(--crit); }
.scan-serious { color: var(--ser); }
.scan-moderate { color: var(--mod); }
.scan-minor { color: var(--min); }
.scan-items { padding-left: 1.2rem; }
.scan-items li { margin: 0.35rem 0; }
.scan-items code { overflow-wrap: anywhere; }
.scan-items summary { cursor: pointer; min-height: 24px; }
.scan-items pre { white-space: pre-wrap; margin: 0.3rem 0 0.6rem; font-size: 0.86rem; }
.scan-note { color: var(--muted); font-size: 0.94rem; }

.links { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.links a { display: inline-flex; align-items: center; min-height: 48px; padding: 0 1.2rem; border-radius: 10px; font-weight: 700; text-decoration: none; border: 2px solid var(--btn-bg); }
.links a.primary { background: var(--btn-bg); color: var(--btn-ink); }
.links a.secondary { color: var(--link); }

.foot { color: var(--muted); font-size: 0.92rem; padding-top: 1rem; padding-bottom: 2rem; border-top: 1px solid var(--line); }

@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; transition: none !important; animation: none !important; }
}