:root {
  --page: #F5F7FB;
  --ink: #17223B;
  --blue: #2346A8;
  --muted: #5B6680;
  --rule: #D6DDEB;
  --margin: #E06363;
  --active: #E4EBFB;
  --card: #FFFFFF;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --page: #10172A; --ink: #E8ECF5; --blue: #8EA9FF; --muted: #9AA5BF;
    --rule: #26304A; --margin: #E88080; --active: #1C2849; --card: #151E36;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --page: #10172A; --ink: #E8ECF5; --blue: #8EA9FF; --muted: #9AA5BF;
  --rule: #26304A; --margin: #E88080; --active: #1C2849; --card: #151E36;
  color-scheme: dark;
}
*, *::before, *::after { box-sizing: border-box; }
html, body { min-height: 100%; }
body {
  margin: 0; background: var(--page); color: var(--ink);
  font-family: "Atkinson Hyperlegible", system-ui, sans-serif;
  line-height: 1.5;
}
main {
  max-width: 640px; margin: 0 auto; min-height: 100vh;
  padding: calc(2rem + env(safe-area-inset-top, 0px)) 1rem 3rem 1.75rem;
  border-left: 2px solid var(--margin);
}
h1 {
  font-family: "Literata", Georgia, serif; font-weight: 600;
  font-size: clamp(2rem, 7vw, 2.75rem); line-height: 1.1;
  margin: 0 0 .5rem; color: var(--blue);
}
.lede { color: var(--muted); margin: 0 0 1.5rem; }
/* BloxBound logo: always on its own dark badge, as on bloxbound.co.uk */
.brand {
  display: inline-flex; align-items: center; gap: .75rem;
  margin-bottom: 1.5rem; padding: .6rem 1.1rem .6rem .6rem;
  background: #0f1420; border: 2px solid #2c3856; border-radius: 12px;
}
.brand img { display: block; border-radius: 8px; }
.wordmark {
  font-family: "Bungee", "Impact", "Arial Black", sans-serif;
  font-size: clamp(1.5rem, 6vw, 2rem); line-height: 1; color: #ffc83d;
  text-shadow: 3px 3px 0 #b3471b;
}
.wordmark span { color: #e8ecf6; text-shadow: 3px 3px 0 #2b3a66; }
.back {
  display: inline-block; margin-bottom: 1rem; color: var(--muted);
  text-decoration: none; font-size: .95rem;
}
.back:hover { color: var(--blue); }
.cards { list-style: none; margin: 0; padding: 0; display: grid; gap: .75rem; }
.card {
  display: flex; align-items: center; gap: .75rem;
  padding: 1rem 1.15rem; border-radius: 14px;
  background: var(--card); border: 1.5px solid var(--rule);
  color: var(--ink); text-decoration: none;
  transition: border-color .15s, background .15s;
}
.card:hover, .card:focus-visible { border-color: var(--blue); background: var(--active); outline: none; }
.label { font-family: "Literata", Georgia, serif; font-weight: 600; font-size: 1.2rem; }
.hint { color: var(--muted); font-size: .9rem; }
.arrow { margin-left: auto; color: var(--blue); font-size: 1.2rem; }