:root {
  --hg: #f4f6f8; --karte: #ffffff; --text: #1f2a37; --dezent: #5b6b7c; --linie: #e1e6ec;
  --akzent: #1f5fbf; --warn: #b7791f; --fehler: #b42318; --ok: #137a48;
}
@media (prefers-color-scheme: dark) {
  :root { --hg: #0f141a; --karte: #182029; --text: #e6ebf0; --dezent: #9aa7b5; --linie: #2a3542; --akzent: #6ea0ff; }
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--hg); color: var(--text);
  font: 16px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; }
a { color: var(--akzent); text-decoration: none; }
.kopf { display: flex; align-items: center; gap: 16px; padding: 10px 16px; background: #1f2a37; color: #fff;
  padding-top: calc(10px + env(safe-area-inset-top)); position: sticky; top: 0; z-index: 2; }
.marke { color: #fff; font-weight: 700; letter-spacing: .08em; font-size: 18px; }
.nav { display: flex; gap: 4px; flex: 1; overflow-x: auto; }
.nav a { color: #cdd6e0; padding: 6px 10px; border-radius: 6px; white-space: nowrap; }
.nav a.aktiv, .nav a:hover { background: rgba(255,255,255,.12); color: #fff; }
.abmelden button { background: transparent; color: #cdd6e0; border: 1px solid #3b4a5c; border-radius: 6px; padding: 6px 10px; }
.band { background: var(--warn); color: #fff; text-align: center; padding: 4px 16px; font-size: 14px; }
.inhalt { max-width: 1100px; margin: 0 auto; padding: 16px; padding-bottom: calc(16px + env(safe-area-inset-bottom)); }
h1 { font-size: 24px; margin: 8px 0 16px; }
h2 { font-size: 16px; margin: 0 0 8px; color: var(--dezent); font-weight: 600; }
.karte { background: var(--karte); border: 1px solid var(--linie); border-radius: 12px; padding: 16px; margin-bottom: 16px; }
.karte.schmal { max-width: 380px; margin: 40px auto; }
.kacheln { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 12px; margin-bottom: 16px; }
.kacheln .karte { margin: 0; }
.gross { font-size: 40px; font-weight: 700; margin: 4px 0; }
.gross.warn { color: var(--warn); }
.klein { font-size: 13px; color: var(--dezent); }
.mandant { font-size: 11px; background: var(--linie); border-radius: 4px; padding: 1px 6px; vertical-align: middle; color: var(--text); }
.fehler { color: var(--fehler); }
.bericht { white-space: pre-wrap; font-family: inherit; margin: 0; }
label { display: block; margin-bottom: 12px; font-size: 14px; color: var(--dezent); }
input { display: block; width: 100%; margin-top: 4px; padding: 12px; font-size: 17px; border: 1px solid var(--linie);
  border-radius: 8px; background: var(--hg); color: var(--text); }
button.primaer { width: 100%; padding: 12px; font-size: 17px; background: var(--akzent); color: #fff; border: 0; border-radius: 8px; }
.tabelle { width: 100%; border-collapse: collapse; font-size: 14px; }
.tabelle th, .tabelle td { text-align: left; padding: 8px 6px; border-bottom: 1px solid var(--linie); vertical-align: top; }
.tabelle thead th { color: var(--dezent); font-weight: 600; }
.schmal-tabelle th { width: 40%; color: var(--dezent); font-weight: 500; }
.zeile-fehler td { background: rgba(180,35,24,.06); }
.fuss { text-align: center; color: var(--dezent); font-size: 12px; padding: 16px; }
@media (max-width: 640px) {
  .kopf { flex-wrap: wrap; }
  .nav { order: 3; width: 100%; }
  .tabelle { display: block; overflow-x: auto; white-space: nowrap; }
}