/* ClinAssist download page. Mobile first, light and dark, WCAG 2.1 AA:
   every text colour pair below is at least 4.5:1, targets at least 48 px,
   a visible focus ring. No web fonts (CSP font-src 'none'). */

:root {
  --bg: #ffffff;
  --bg-alt: #f1f5f9;
  --card: #ffffff;
  --border: #cbd5e1;
  --text: #0f172a;
  --muted: #475569;
  --link: #1a56db;
  --primary: #1a56db;
  --primary-hover: #0f3e99;
  --on-primary: #ffffff;
  --off-bg: #e2e8f0;
  --off-text: #334155;
  --badge-bg: #fef3c7;
  --badge-text: #92400e;
  --notice-bg: #fef2f2;
  --notice-text: #991b1b;
  --focus: #1a56db;
  --code-bg: #f1f5f9;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b1220;
    --bg-alt: #111a2e;
    --card: #111a2e;
    --border: #334155;
    --text: #e2e8f0;
    --muted: #cbd5e1;
    --link: #93c5fd;
    --primary: #1a56db;
    --primary-hover: #2563eb;
    --on-primary: #ffffff;
    --off-bg: #1e293b;
    --off-text: #cbd5e1;
    --badge-bg: #422006;
    --badge-text: #fde68a;
    --notice-bg: #450a0a;
    --notice-text: #fecaca;
    --focus: #93c5fd;
    --code-bg: #0b1220;
  }
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Noto Sans', Helvetica, Arial, sans-serif;
  font-size: 1rem;
  line-height: 1.6;
}

a {
  color: var(--link);
  text-underline-offset: 2px;
}

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

[hidden] {
  display: none !important;
}

h1,
h2,
h3 {
  line-height: 1.25;
  margin: 0 0 0.75rem;
}

h1 {
  font-size: 1.75rem;
}

h2 {
  font-size: 1.4rem;
}

h3 {
  font-size: 1.15rem;
}

p {
  margin: 0 0 0.75rem;
}

.wrap {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 16px;
}

.skip {
  position: absolute;
  left: 8px;
  top: -64px;
  z-index: 10;
  padding: 12px 16px;
  background: var(--primary);
  color: var(--on-primary);
  font-weight: 600;
  border-radius: 8px;
}

.skip:focus {
  top: 8px;
}

/* ---- hero */

.hero {
  padding: 32px 0 24px;
  text-align: center;
  border-bottom: 1px solid var(--border);
}

.logo-card {
  display: inline-block;
  /* The logo has dark lettering on a transparent background: keep it on white in dark mode too. */
  background: #ffffff;
  border-radius: 16px;
  padding: 12px 16px;
  margin-bottom: 16px;
}

.logo {
  display: block;
  width: 150px;
  height: auto;
}

.tagline {
  font-size: 1.15rem;
  font-weight: 600;
}

.hero-note {
  color: var(--muted);
}

/* ---- sections */

.section {
  padding: 32px 0;
}

.section.alt {
  background: var(--bg-alt);
}

.fine {
  color: var(--muted);
  font-size: 0.95rem;
}

.notice {
  background: var(--notice-bg);
  color: var(--notice-text);
  border-radius: 8px;
  padding: 12px 16px;
  font-weight: 600;
}

/* ---- download cards */

.cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px 16px;
  min-width: 0;
}

.card-sub {
  color: var(--muted);
  margin-top: -0.5rem;
}

.status {
  color: var(--muted);
  min-height: 1.6em;
}

.btn {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  width: 100%;
  padding: 12px 20px;
  margin: 0 0 16px;
  border-radius: 10px;
  background: var(--primary);
  color: var(--on-primary);
  font-weight: 700;
  font-size: 1.05rem;
  text-align: center;
  text-decoration: none;
}

a.btn:hover {
  background: var(--primary-hover);
}

.btn-off {
  background: var(--off-bg);
  color: var(--off-text);
  cursor: not-allowed;
}

.badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 999px;
  background: var(--badge-bg);
  color: var(--badge-text);
  font-size: 0.85rem;
  font-weight: 700;
}

.meta {
  margin: 0;
}

.meta div {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 12px;
  padding: 6px 0;
  border-top: 1px solid var(--border);
}

.meta dt {
  font-weight: 600;
  min-width: 5.5rem;
}

.meta dd {
  margin: 0;
  min-width: 0;
  flex: 1 1 12rem;
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, 'Liberation Mono', monospace;
  font-size: 0.85rem;
  background: var(--code-bg);
  border-radius: 4px;
  padding: 2px 4px;
  overflow-wrap: anywhere;
  word-break: break-all;
}

/* ---- how to start */

.cols {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px 32px;
}

.steps {
  padding-left: 1.4rem;
  margin: 0 0 1rem;
}

.steps li {
  margin-bottom: 0.5rem;
}

/* ---- footer */

.footer {
  padding: 24px 0 32px;
  border-top: 1px solid var(--border);
  text-align: center;
}

.footer-mark {
  display: block;
  margin: 0 auto 8px;
  background: #ffffff;
  border-radius: 8px;
  padding: 2px;
}

/* ---- wider screens */

@media (min-width: 720px) {
  h1 {
    font-size: 2.25rem;
  }

  .hero {
    padding: 48px 0 32px;
  }

  .logo {
    width: 190px;
  }

  .cards,
  .cols {
    grid-template-columns: 1fr 1fr;
  }

  .section {
    padding: 48px 0;
  }
}

@media (prefers-reduced-motion: no-preference) {
  a.btn {
    transition: background-color 0.15s ease;
  }
}