/* The demo Worker's own pages (launch, waiting, ended). Colors follow the
   website's palette; system fonts only, so nothing loads from elsewhere. */
:root {
  --paper: #fbf7ee;
  --card: #fffdf7;
  --fold: #e7d3ac;
  --ink: #0b3553;
  --ink-soft: #1a4a6b;
  --accent: #3d7f7a;
  --accent-ink: #ffffff;
  --alert: #a33b28;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --paper: #121c26;
    --card: #1e2d3a;
    --fold: #243240;
    --ink: #f3e5c6;
    --ink-soft: #d4c4a0;
    --accent: #5aa8a2;
    --accent-ink: #0b1520;
    --alert: #f08c77;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px 16px;
  background: var(--paper);
  color: var(--ink);
  font: 17px/1.55 "Segoe UI", Candara, system-ui, sans-serif;
}
.demo-card {
  width: 100%;
  max-width: 40rem;
  background: var(--card);
  border: 1px solid var(--fold);
  border-radius: 12px;
  padding: 28px 24px;
}
h1 {
  margin: 0 0 12px;
  font: 600 1.7rem/1.2 "Iowan Old Style", "Palatino Linotype", Palatino, serif;
}
p, li { color: var(--ink-soft); }
a { color: var(--accent); }
.demo-notes { padding-left: 1.2em; }
.demo-notes li { margin: 0 0 8px; }
.demo-message { color: var(--alert); font-weight: 600; }
.demo-start { display: grid; gap: 16px; justify-items: start; margin-top: 20px; }
.demo-start button {
  font: inherit;
  font-weight: 600;
  padding: 10px 22px;
  border: 0;
  border-radius: 8px;
  background: var(--accent);
  color: var(--accent-ink);
  cursor: pointer;
}
.demo-start button:focus-visible { outline: 3px solid var(--ink); outline-offset: 2px; }
.demo-small { font-size: 0.9rem; margin-top: 20px; }