:root {
  /* The Roost app's own palette (mobile/lib/theme.ts): navy ink on a cool paper. */
  --paper: #F5F7F9;
  --surface: #ffffff;
  --ink: #16324F;
  --ink-strong: #0E2237;
  --text: #1B2A36;
  --soft: #4F5F6B;
  --border: #CBD5DC;
  --signal: #9C3B2E;
  --on-ink: #F5F7F9;
  --radius: 12px;
}
@media (prefers-color-scheme: dark) {
  :root { --paper: #0E1720; --surface: #16222D; --ink: #9BC0E0; --ink-strong: #CFE1F0; --text: #E4EBF0; --soft: #9DB0BD; --border: #2C4050; --signal: #D98A7B; --on-ink: #0E1720; }
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--paper); color: var(--text); font: 16px/1.5 -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; }
.app { max-width: 560px; margin: 0 auto; padding: 16px; display: flex; flex-direction: column; gap: 16px; min-height: 100vh; }
.brand { display: flex; align-items: center; justify-content: space-between; }
.wordmark { font-weight: 700; letter-spacing: 3px; text-transform: uppercase; color: var(--ink-strong); }
.lang { background: none; border: 1px solid var(--border); border-radius: 999px; padding: 6px 14px; color: inherit; font-size: 14px; font-weight: 600; cursor: pointer; text-decoration: none; }
.content { display: flex; flex-direction: column; gap: 14px; flex: 1; }
h1 { font-size: 22px; margin: 0; color: var(--ink-strong); }
h2 { font-size: 16px; margin: 8px 0 0; color: var(--ink-strong); }
p { margin: 0; }
.muted { color: var(--soft); font-size: 14px; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px; display: flex; flex-direction: column; gap: 8px; }
.facts { display: flex; flex-wrap: wrap; gap: 8px 16px; font-size: 14px; }
.photos { display: flex; gap: 8px; overflow-x: auto; }
.photos img { height: 160px; border-radius: 8px; flex: none; }
ul.criteria { margin: 0; padding-left: 20px; }
label { display: flex; flex-direction: column; gap: 4px; font-size: 14px; font-weight: 600; }
label .hint { font-weight: 400; color: var(--soft); font-size: 13px; }
input { border: 1px solid var(--border); border-radius: 10px; padding: 12px; font-size: 16px; background: var(--surface); color: var(--text); }
input.code { font-size: 24px; letter-spacing: 8px; text-align: center; }
.button { background: var(--ink); color: var(--on-ink); border: none; border-radius: var(--radius); padding: 14px; font-size: 16px; font-weight: 700; cursor: pointer; }
.button[disabled] { opacity: .5; cursor: default; }
.link { background: none; border: none; color: var(--ink); font-weight: 600; cursor: pointer; padding: 6px; font-size: 14px; }
.error { color: var(--signal); font-size: 14px; }
.footer { border-top: 1px solid var(--border); padding-top: 12px; }

/* The public pages (front page, privacy notice) share this sheet. */
.site { max-width: 640px; }
.site h1 { font-size: 26px; line-height: 1.25; margin: 8px 0 0; color: var(--ink-strong); }
.site h2 { font-size: 18px; margin: 18px 0 0; color: var(--ink-strong); }
.site h3 { font-size: 15px; margin: 10px 0 0; }
.site p { margin: 0; }
.site .lead { font-size: 17px; }
.site ul, .site ol { margin: 0; padding-left: 22px; display: flex; flex-direction: column; gap: 6px; }
.site .steps li { padding-left: 4px; }
.site a { color: var(--ink); }
/* A link styled as a button keeps the button's text colour: `.site a` would otherwise win and draw ink on ink. */
.button.block { display: block; text-align: center; text-decoration: none; color: var(--on-ink); }
.notice h2 { font-size: 17px; }
a.wordmark { text-decoration: none; }
.gold { border-color: var(--ink); border-width: 2px; }
.gold h2 { margin: 0; }
.site [hidden] { display: none !important; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field input { font: inherit; padding: 12px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); color: var(--text); }