:root {
  --bg: #f4f5f7;
  --card: #fff;
  --ink: #23272f;
  --navy: #1b2b4b;
  --muted: #5e6573;
  --line: #dde1e6;
  --good: #1f7a4d;
  --bad: #9b2c2c;
}
* { box-sizing: border-box; }
body { margin: 0; font: 14px/1.45 system-ui, sans-serif; background: var(--bg); color: var(--ink); }
.wrap { max-width: 1100px; margin: 0 auto; padding: 20px 16px 48px; }
h1 { margin: 0; color: var(--navy); font-size: 26px; }
nav { display: flex; gap: 8px; flex-wrap: wrap; margin: 16px 0; }
nav button { padding: 8px 14px; border-radius: 8px; border: 1px solid var(--line); background: var(--card); cursor: pointer; }
nav button.on { background: var(--navy); color: #fff; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 16px; margin-bottom: 12px; }
.login { max-width: 340px; margin: 10vh auto; }
label { display: block; font-size: 12px; color: var(--muted); margin-top: 10px; }
input, select, textarea { width: 100%; padding: 8px; border-radius: 8px; border: 1px solid var(--line); }
button.primary { background: var(--navy); color: #fff; border: none; padding: 10px 16px; border-radius: 8px; cursor: pointer; }
.hidden { display: none !important; }
.grid2 { display: grid; grid-template-columns: 1fr 320px; gap: 16px; }
@media (max-width: 800px) { .grid2 { grid-template-columns: 1fr; } }
.tel { font-size: 22px; font-weight: 600; }
.tel a { color: var(--navy); }
.erg { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 12px; }
.erg button { font-size: 12px; }
.stats { color: var(--muted); font-size: 13px; }
.err { color: var(--bad); min-height: 18px; }
.leitfaden { font-size: 13px; max-height: 70vh; overflow: auto; white-space: pre-wrap; background: #fafbfc; padding: 12px; border-radius: 8px; border: 1px solid var(--line); }