:root {
  --navy: #1f3a5f;
  --ink: #1a2330;
  --muted: #5b6775;
  --line: #e4e0d4;
  --paper: #f6f3ea;
  --white: #fff;
  --over: #b42318;
  --over-bg: #fde8e6;
  --inkasso: #111;
  --open: #26759c;
  --ok: #3d7a2e;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--paper);
  color: var(--ink);
  font: 15px/1.45 Inter, ui-sans-serif, system-ui, sans-serif;
  padding: 28px 22px 80px;
}
.top {
  max-width: 1120px;
  margin: 0 auto 22px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
}
h1 { margin: 0 0 4px; font-size: 1.7rem; letter-spacing: -.03em; color: var(--navy); }
h2 { margin: 0 0 4px; font-size: 1.2rem; color: var(--navy); }
.kicker {
  margin: 0 0 4px;
  font-size: .72rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  font-weight: 800;
  color: #86bc25;
}
.sub, .meta, small { color: var(--muted); }
.meta { margin: 0; font-size: .9rem; }
.ghost {
  color: var(--navy);
  text-decoration: none;
  font-weight: 700;
  border: 1px solid var(--line);
  background: #fff;
  padding: 8px 12px;
  border-radius: 999px;
}
.stats {
  max-width: 1120px;
  margin: 0 auto 18px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}
.stat {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 14px 16px;
}
.stat span, .stat small { display: block; }
.stat b { display: block; font-size: 1.25rem; margin: 6px 0 2px; }
.stat.over { background: var(--over-bg); border-color: #f0b4ae; }
.stat.over b { color: var(--over); }
.stat.ink { background: #111; color: #fff; border-color: #111; }
.stat.ink small { color: #c9c9c9; }
.stat.open b { color: var(--open); }
.card {
  max-width: 1120px;
  margin: 0 auto 14px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 16px 16px 10px;
  overflow: hidden;
}
.card.state-inkasso { border-color: #111; box-shadow: inset 4px 0 0 #111; }
.card.state-ueberfaellig { border-color: #f0b4ae; box-shadow: inset 4px 0 0 var(--over); }
.card-head { display: flex; justify-content: space-between; gap: 12px; align-items: flex-start; }
.badges { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.sum { font-weight: 800; color: var(--navy); }
.notes { background: #f7f4ea; border-radius: 12px; padding: 10px 12px; color: #3d3d3d; }
.badge {
  display: inline-block;
  border-radius: 999px;
  padding: .2rem .6rem;
  font-size: .75rem;
  font-weight: 800;
  background: #eef3f6;
}
.badge.ueberfaellig { background: var(--over-bg); color: var(--over); }
.badge.inkasso { background: #111; color: #fff; }
.badge.offen { background: #dceef6; color: #1e5a78; }
.badge.gezahlt { background: #e5f4dc; color: var(--ok); }
table { width: 100%; border-collapse: collapse; font-size: .92rem; }
th { text-align: left; font-size: .72rem; letter-spacing: .04em; text-transform: uppercase; color: var(--muted); padding: 8px 8px 6px 0; border-bottom: 1px solid var(--line); }
td { padding: 10px 8px 10px 0; border-bottom: 1px solid #f0ece1; vertical-align: top; }
td small { display: block; margin-top: 2px; }
.row-ueberfaellig { background: #fff7f6; }
.row-inkasso { background: #f4f4f4; }
.login-body { min-height: 100vh; display: grid; place-items: center; }
.login-card {
  width: min(380px, 92vw);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 28px;
}
.login-card label { display: block; font-size: 12px; color: var(--muted); margin: 14px 0 5px; }
.login-card input, .login-card button {
  width: 100%; border-radius: 10px; padding: 10px 12px; font: inherit;
}
.login-card input { border: 1px solid var(--line); }
.login-card button { margin-top: 18px; border: 0; background: var(--navy); color: #fff; font-weight: 700; cursor: pointer; }
.err { color: var(--over); font-weight: 700; }
@media (max-width: 900px) {
  .stats { grid-template-columns: 1fr 1fr; }
  .card-head { flex-direction: column; }
  table, thead, tbody, th, td, tr { display: block; }
  thead { display: none; }
  td { border: 0; padding: 4px 0; }
}