/* Minimal, ohne externe Ressourcen (CSP: style-src 'self'). Farben aus Kap. 7.2. */
:root {
  --bg: #fafaf9;
  --card: #ffffff;
  --text: #1c1917;
  --muted: #57534e;
  --accent: #0d9488;
  --line: #e7e5e4;
  --warn-bg: #fff7ed;
  --warn-line: #ea580c;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1115;
    --card: #1a1d23;
    --text: #f4f4f5;
    --muted: #a1a1aa;
    --accent: #2dd4bf;
    --line: #2a2e36;
    --warn-bg: #2a1d12;
    --warn-line: #fb923c;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
main { max-width: 42rem; margin: 0 auto; padding: 3rem 1.25rem 2rem; }
h1 { font-size: 2.25rem; line-height: 1.2; margin: 0 0 .5rem; }
h2 { font-size: 1.25rem; margin-top: 2rem; }
a { color: var(--accent); }
.lead { font-size: 1.25rem; color: var(--muted); }
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 1rem 1.25rem;
  margin: 1.5rem 0;
}
.placeholder {
  background: var(--warn-bg);
  border: 1px solid var(--warn-line);
  border-radius: 12px;
  padding: .75rem 1rem;
  margin: 1rem 0 1.5rem;
}
footer { max-width: 42rem; margin: 0 auto; padding: 1rem 1.25rem 3rem; color: var(--muted); font-size: .9rem; }
footer a { margin-right: 1rem; }

/* Invite-Fallback /j/<code> */
.invite-code { display: block; overflow-wrap: anywhere; font: 1.1rem/1.5 ui-monospace, SFMono-Regular, Menlo, monospace; padding: .5rem .75rem; background: var(--bg); border: 1px solid var(--line); border-radius: 8px; }
button { font: inherit; padding: .5rem 1rem; border-radius: 999px; border: 1px solid var(--accent); background: var(--accent); color: #fff; cursor: pointer; min-height: 44px; }
.stores a { display: inline-block; margin: 0 .75rem .5rem 0; }
[hidden] { display: none !important; }