/* Field Watch site. One stylesheet, no web fonts, no images, no scripts.
   Palette is the app's own (android/app/src/main/res/values/colors.xml and values-night/colors.xml);
   test/site.test.mjs checks every text pair below at WCAG AA or better. */

:root {
  color-scheme: light dark;
  --bg: #F4F6F3;            /* mineral white */
  --surface: #FFFFFF;
  --container: #EBF0EC;     /* soft sage */
  --on-surface: #141D1A;
  --on-surface-dim: #43504B;
  --primary: #1F5F58;       /* muted teal */
  --on-primary: #FFFFFF;
  --primary-container: #CFE7E0;
  --on-primary-container: #06302A;
  --secondary-container: #DAE6DC;
  --on-secondary-container: #15271C;
  --outline: #6A7772;
  --outline-variant: #C3CDC8;
  --warn: #7F5300;
  --warn-container: #FAEBD2;
  --focus: #1F5F58;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #090C0B;          /* charcoal */
    --surface: #121816;
    --container: #171F1C;   /* deep evergreen */
    --on-surface: #E4ECE8;
    --on-surface-dim: #AEBDB7;
    --primary: #8DD6C5;     /* mint */
    --on-primary: #00382F;
    --primary-container: #103F37;
    --on-primary-container: #BFF1E3;
    --secondary-container: #22322C;
    --on-secondary-container: #D3E6DB;
    --outline: #86958F;
    --outline-variant: #3A4844;
    --warn: #F0C36C;
    --warn-container: #33270A;
    --focus: #8DD6C5;
  }
}

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

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--on-surface);
  font-family: system-ui, -apple-system, "Roboto", "Segoe UI", "Noto Sans", sans-serif;
  font-size: 18px;
  line-height: 1.55;
  overflow-wrap: break-word;
}

.skip {
  position: absolute;
  left: 8px;
  top: -100px;
  padding: 12px 16px;
  background: var(--primary);
  color: var(--on-primary);
  border-radius: 12px;
  z-index: 10;
}
.skip:focus { top: 8px; }

.wrap {
  max-width: 44rem;
  margin: 0 auto;
  padding: 0 16px;
}

header.top {
  background: var(--surface);
  border-bottom: 1px solid var(--outline-variant);
}
header.top .wrap { padding-top: 12px; padding-bottom: 12px; }

.name {
  display: inline-block;
  margin: 0 0 8px;
  font-size: 22px;
  font-weight: 700;
  color: var(--on-surface);
  text-decoration: none;
  letter-spacing: 0;
}

nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}
nav a {
  display: inline-flex;
  align-items: center;
  min-height: 48px;
  padding: 0 16px;
  border-radius: 24px;
  border: 1px solid var(--outline);
  color: var(--on-surface);
  text-decoration: none;
  font-size: 17px;
  font-weight: 500;
}
nav a[aria-current="page"] {
  background: var(--secondary-container);
  color: var(--on-secondary-container);
  border-color: var(--secondary-container);
  font-weight: 700;
}

main { padding: 24px 0 40px; }

h1 {
  font-size: 32px;
  line-height: 1.2;
  margin: 8px 0 12px;
  font-weight: 700;
}
h2 {
  font-size: 24px;
  line-height: 1.3;
  margin: 0 0 12px;
  font-weight: 700;
}
h3 {
  font-size: 20px;
  line-height: 1.35;
  margin: 20px 0 8px;
  font-weight: 700;
}

p, ul, ol { margin: 0 0 14px; }
li { margin-bottom: 8px; }
ul, ol { padding-left: 1.4em; }

.lead { font-size: 20px; }
.dim { color: var(--on-surface-dim); }

a { color: var(--primary); text-decoration-thickness: 2px; text-underline-offset: 3px; }

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
  border-radius: 6px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--outline-variant);
  border-radius: 16px;
  padding: 20px 18px;
  margin: 0 0 16px;
}
.card.tonal {
  background: var(--container);
  border-color: var(--container);
}
.card > :last-child { margin-bottom: 0; }

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 20px 0 24px;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 24px;
  border-radius: 26px;
  font-size: 18px;
  font-weight: 700;
  text-decoration: none;
  background: var(--primary);
  color: var(--on-primary);
}
.button.tonal {
  background: var(--secondary-container);
  color: var(--on-secondary-container);
  font-weight: 600;
}

.facts { list-style: none; padding: 0; }
.facts li {
  padding: 10px 0;
  border-bottom: 1px solid var(--outline-variant);
  margin: 0;
}
.facts li:last-child { border-bottom: 0; }

dl.meta { margin: 0; display: grid; grid-template-columns: 1fr; gap: 2px 16px; }
dl.meta dt { font-weight: 700; margin-top: 10px; }
dl.meta dt:first-child { margin-top: 0; }
dl.meta dd { margin: 0; }

ol.steps > li { margin-bottom: 14px; }

code, pre, .mono {
  font-family: ui-monospace, "Roboto Mono", "Droid Sans Mono", "Cascadia Mono", monospace;
  font-size: 16px;
}
code {
  background: var(--container);
  color: var(--on-surface);
  padding: 1px 5px;
  border-radius: 6px;
}
pre {
  background: var(--container);
  color: var(--on-surface);
  padding: 14px;
  border-radius: 12px;
  margin: 0 0 14px;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  line-height: 1.5;
}
pre code { background: none; padding: 0; }
.fingerprint {
  font-size: 17px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.tk {
  background: var(--warn-container);
  color: var(--warn);
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 6px;
  outline: 1px dashed var(--warn);
}

.status {
  border-left: 6px solid var(--primary);
}

footer.bottom {
  border-top: 1px solid var(--outline-variant);
  background: var(--surface);
  padding: 20px 0 28px;
  color: var(--on-surface-dim);
}
footer.bottom p { margin: 0 0 6px; font-size: 17px; }

@media (min-width: 40rem) {
  dl.meta { grid-template-columns: max-content 1fr; }
  dl.meta dt, dl.meta dt:first-child { margin-top: 0; }
  h1 { font-size: 36px; }
}

@media (forced-colors: active) {
  .button, nav a, .card, .tk { border: 2px solid CanvasText; }
}

@media print {
  nav, .skip, .actions { display: none; }
  body { font-size: 12pt; }
}