/* hidden-Attribut muss CSS-display schlagen (z.B. #login-view display:flex) */
[hidden] { display: none !important; }

:root {
  --bg: #f4f5f7;
  --card: #ffffff;
  --line: #e0e3e8;
  --text: #1f2733;
  --muted: #6b7480;
  --accent: #1565c0;
  --green: #2e7d32;
  --red: #c62828;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
}

button {
  cursor: pointer;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: #fff;
  padding: 8px 14px;
  border-radius: 6px;
  font-size: 14px;
}
button.ghost { background: #fff; color: var(--accent); }
button.danger { background: #fff; color: var(--red); border-color: var(--red); padding: 5px 10px; }

input, select {
  padding: 7px 9px;
  border: 1px solid var(--line);
  border-radius: 6px;
  font-size: 14px;
  background: #fff;
}

/* ----- Login ----- */
#login-view {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}
.login-card {
  background: var(--card);
  padding: 28px;
  border-radius: 10px;
  border: 1px solid var(--line);
  width: 100%;
  max-width: 340px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.login-card h1 { font-size: 20px; margin: 0 0 4px; }
.login-card label { display: flex; flex-direction: column; gap: 4px; font-size: 13px; color: var(--muted); }
.error { color: var(--red); margin: 0; min-height: 1em; font-size: 13px; }

/* ----- Topbar ----- */
.topbar {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  background: var(--card);
  border-bottom: 1px solid var(--line);
  padding: 10px 16px;
}
.topbar .spacer { flex: 1; }
.topbar .user { color: var(--muted); font-size: 13px; }
.tabs { display: flex; gap: 4px; }
.tab { background: transparent; color: var(--muted); border: none; padding: 6px 12px; }
.tab.active { color: var(--accent); border-bottom: 2px solid var(--accent); border-radius: 0; }

main { padding: 16px; max-width: 1100px; margin: 0 auto; }

/* ----- Karten ----- */
.cards { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 16px; }
.card {
  flex: 1;
  min-width: 150px;
  background: var(--card);
  border: 1px solid var(--line);
  border-left: 4px solid var(--muted);
  border-radius: 8px;
  padding: 12px 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.card span { color: var(--muted); font-size: 13px; }
.card b { font-size: 20px; }
.card.einnahme { border-left-color: var(--green); }
.card.ausgabe { border-left-color: var(--red); }
.card.saldo { border-left-color: var(--accent); }

/* ----- Filter ----- */
.filters {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: flex-end;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  margin-bottom: 16px;
}
.filters label { display: flex; flex-direction: column; gap: 4px; font-size: 13px; color: var(--muted); }

/* ----- Tabelle ----- */
.table-wrap {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow-x: auto;
}
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { padding: 9px 12px; text-align: left; border-bottom: 1px solid var(--line); white-space: nowrap; }
th { background: #fafbfc; color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: .03em; }
tr:last-child td { border-bottom: none; }
.right { text-align: right; }
.betrag { font-variant-numeric: tabular-nums; font-weight: 600; }
.betrag.soll { color: var(--red); }
.betrag.haben { color: var(--green); }
td.zweck { white-space: normal; max-width: 360px; color: var(--muted); }
#konten-tbody input { width: 100%; min-width: 160px; }

/* ----- Detailzeile ----- */
.umsatz-row { cursor: pointer; }
.umsatz-row:hover { background: #f7f9fc; }
.umsatz-row.open { background: #eef4fb; }
.detail-row td { background: #f8fafc; padding: 4px 12px 14px; }
dl.detail {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 6px 16px;
  margin: 8px 0 0;
}
dl.detail dt { color: var(--muted); }
dl.detail dd { margin: 0; word-break: break-word; white-space: normal; }
dl.detail dd.betrag { font-weight: 600; font-variant-numeric: tabular-nums; }
dl.detail dd.betrag.soll { color: var(--red); }
dl.detail dd.betrag.haben { color: var(--green); }

@media (max-width: 600px) {
  dl.detail { grid-template-columns: 1fr; gap: 2px 0; }
  dl.detail dt { margin-top: 8px; }
}

/* ----- Pager ----- */
.pager { display: flex; align-items: center; gap: 14px; margin-top: 14px; }
.pager span { color: var(--muted); font-size: 13px; }
.hint { color: var(--muted); font-size: 13px; margin-top: 12px; }
.hint code { background: #eef0f3; padding: 1px 5px; border-radius: 4px; }

/* ----- Mobil ----- */
@media (max-width: 600px) {
  .filters label, .filters select, .filters input { width: 100%; }
  .filters { flex-direction: column; align-items: stretch; }
  .card b { font-size: 18px; }
}