:root {
  --blau: #1f5fae;
  --blau-hell: #e8f0fb;
  --gruen: #1e8a4c;
  --gruen-hell: #e6f5ec;
  --orange: #b86a00;
  --orange-hell: #fff4e0;
  --rot: #c0392b;
  --rot-hell: #fdecea;
  --text: #1d2430;
  --leise: #6b7480;
  --rand: #dde2e8;
  --hinter: #f4f6f9;
  --weiss: #fff;
  --nacht: #16263d;
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  font-size: 14px;
  color: var(--text);
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--hinter); }
.hidden { display: none !important; }
.leise { color: var(--leise); font-size: 12px; }
.r { text-align: right; }
.nowrap { white-space: nowrap; }
a { color: var(--blau); }

/* Kopf */
.kopf {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; gap: 24px;
  padding: 0 20px; height: 52px;
  background: var(--nacht); color: #fff;
}
.marke { font-weight: 700; font-size: 18px; letter-spacing: .3px; display: flex; align-items: center; flex-shrink: 0; white-space: nowrap; }
.kopf nav { display: flex; gap: 2px; flex: 1; min-width: 0; white-space: nowrap; }
.kopf nav button {
  background: none; border: 0; color: #c9d4e3; padding: 16px 14px; cursor: pointer; font: inherit; border-radius: 0;
  border-bottom: 3px solid transparent;
}
.kopf nav button:hover { color: #fff; background: none; }
.kopf nav button.aktiv { color: #fff; border-bottom-color: #5aa0ff; }
.stand { font-size: 12px; display: flex; align-items: center; gap: 6px; white-space: nowrap; color: #c9d4e3; }
.stand::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: #888; }
.stand.an::before { background: #3ddc84; }
.stand.laedt::before { background: #f0c040; }
.stand.aus::before { background: #ff6b5b; }
.mandant-wahl { margin-left: 10px; font-size: 13px; font-weight: 400; padding: 3px 6px; border-radius: 6px; min-width: 150px; max-width: 260px; width: auto; }
.benutzer { display: flex; align-items: center; gap: 8px; margin-left: 12px; font-size: 13px; opacity: .9; white-space: nowrap; }

main { padding: 16px 20px 40px; }
.seite { display: none; }
.seite.aktiv { display: block; }

/* Bedienelemente */
input, select, textarea {
  font: inherit; color: var(--text); padding: 6px 8px; border: 1px solid #c8d0da; border-radius: 6px; background: #fff; width: 100%;
}
input:focus, select:focus, textarea:focus { outline: 2px solid #9cc2f5; border-color: var(--blau); }
button, .knopf {
  font: inherit; padding: 7px 14px; border-radius: 6px; border: 1px solid #c8d0da; background: #fff; cursor: pointer;
  color: var(--text); text-decoration: none; display: inline-flex; align-items: center; gap: 6px; white-space: nowrap;
}
button:hover, .knopf:hover { background: #f0f3f7; }
button:disabled { opacity: .55; cursor: not-allowed; }
button.primaer { background: var(--blau); border-color: var(--blau); color: #fff; }
button.primaer:hover { background: #184e90; }
button.klein, .knopf.klein { padding: 3px 9px; font-size: 12px; }
.feld { display: flex; flex-direction: column; gap: 3px; font-size: 12px; color: var(--leise); }
.schalter { display: flex; align-items: center; gap: 6px; font-size: 13px; white-space: nowrap; color: var(--leise); }
.schalter input { width: auto; }

.filter { display: inline-flex; border: 1px solid #c8d0da; border-radius: 7px; overflow: hidden; background: #fff; }
.filter button { border: 0; border-radius: 0; padding: 6px 14px; }
.filter button + button { border-left: 1px solid #c8d0da; }
.filter button.aktiv { background: var(--blau); color: #fff; }

/* Listen-Seite */
.seiten-kopf { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; gap: 12px; flex-wrap: wrap; }
.werkzeuge { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.werkzeuge input[type=search] { width: 260px; }
.werkzeuge input[type=date] { width: 140px; }

.tabelle { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
.tabelle th { text-align: left; font-weight: 600; font-size: 12px; color: var(--leise); padding: 6px 6px; border-bottom: 1px solid var(--rand); white-space: nowrap; }
.tabelle td { padding: 5px 6px; border-bottom: 1px solid #eef1f4; vertical-align: middle; }
.tabelle th.r, .tabelle td.r { text-align: right; }
/* clip statt hidden: hidden machte die Tabelle zum Bezug des klebenden Kopfes, der dann 52 px tief in der Tabelle stand. */
.tabelle.liste { background: var(--weiss); border: 1px solid var(--rand); border-radius: 10px; overflow: clip; border-collapse: separate; border-spacing: 0; }
.tabelle.liste th { position: sticky; top: 52px; background: var(--weiss); z-index: 2; }
.tabelle.liste tbody tr { cursor: pointer; }
.tabelle.liste tbody tr:hover { background: #f5f8fc; }
.tabelle.liste tbody tr.zuletzt { background: var(--blau-hell); }
.tabelle th[data-sort] { cursor: pointer; user-select: none; }
.tabelle th[data-sort]:hover { color: var(--text); }
.tabelle th.sortiert::after { content: " ▾"; color: var(--blau); }
.tabelle th.sortiert.auf::after { content: " ▴"; }
.tabelle tr.leer td { text-align: center; color: var(--leise); padding: 30px; cursor: default; }
.tabelle tr.summe td { font-weight: 700; border-top: 2px solid var(--rand); border-bottom: 0; }
.tabelle td.leise { color: var(--leise); }
.tabelle .key { font-weight: 600; }
.tabelle mark { background: #fff1a8; color: inherit; padding: 0; }
.betrag.negativ { color: var(--rot); }
.abgeschnitten { max-width: 280px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.liste-fuss { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-top: 10px; color: var(--leise); font-size: 13px; flex-wrap: wrap; }
.liste-fuss b { color: var(--text); }

.chip { display: inline-block; padding: 2px 9px; border-radius: 20px; background: #e9edf2; color: #3a4552; font-size: 12px; white-space: nowrap; }
.chip.blau { background: var(--blau-hell); color: var(--blau); font-weight: 600; }
.chip.gruen { background: var(--gruen-hell); color: var(--gruen); font-weight: 600; }
.chip.orange { background: var(--orange-hell); color: var(--orange); font-weight: 600; }
.chip.rot { background: var(--rot-hell); color: var(--rot); font-weight: 600; }

.hinweis-balken { margin: 0 0 12px; padding: 12px 16px; border-radius: 8px; background: #fff4d6; border: 1px solid #f0d48a; color: #6b4e00; }
.hinweis-balken.fehler { background: var(--rot-hell); border-color: #f2b8b0; color: #8a1c12; }

.lade { display: flex; align-items: center; gap: 14px; padding: 14px 16px; background: var(--weiss); border: 1px solid var(--rand); border-radius: 10px; color: var(--leise); }
.spinner { width: 28px; height: 28px; border-radius: 50%; border: 3px solid #d8e3f2; border-top-color: var(--blau); animation: drehen .8s linear infinite; flex: none; }
.spinner.klein { display: inline-block; width: 12px; height: 12px; border-width: 2px; vertical-align: -2px; }
@keyframes drehen { to { transform: rotate(360deg); } }

/* Belegansicht */
.editor-leiste {
  display: flex; align-items: center; gap: 10px; padding: 8px 12px; margin-bottom: 14px; flex-wrap: wrap;
  background: var(--nacht); color: #fff; border-radius: 10px; position: sticky; top: 60px; z-index: 6;
}
.editor-leiste > button, .ed-werkzeuge > button, .ed-werkzeuge > .knopf { background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.25); color: #fff; }
.editor-leiste > button:hover:not(:disabled), .ed-werkzeuge > button:hover:not(:disabled), .ed-werkzeuge > .knopf:hover { background: rgba(255,255,255,.18); }
.editor-leiste > button:disabled { opacity: .35; }
.ed-werkzeuge > .knopf.aus { opacity: .35; pointer-events: none; }
.ed-titel { flex: 1; min-width: 200px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; margin-left: 6px; }
.ed-titel .leise { color: #c9d4e3; margin-left: 6px; }
.ed-pos { font-size: 12px; color: #c9d4e3; white-space: nowrap; }
.ed-werkzeuge { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }

.beleg-raster { display: grid; grid-template-columns: minmax(420px, 1fr) minmax(460px, 1fr); gap: 16px; align-items: start; }
.beleg-spalte { position: sticky; top: 124px; height: calc(100vh - 140px); display: flex; flex-direction: column; }
.vorschau { flex: 1; min-height: 420px; background: var(--weiss); border: 1px solid var(--rand); border-radius: 10px; overflow: hidden; display: flex; }
.vorschau iframe { width: 100%; height: 100%; border: 0; }
.vorschau .bild { width: 100%; overflow: auto; display: flex; justify-content: center; align-items: flex-start; background: #e9edf2; }
.vorschau .bild img { max-width: 100%; height: auto; box-shadow: 0 2px 10px rgba(16,30,54,.15); background: #fff; }
.vorschau.leer { align-items: center; justify-content: center; }
.vorschau-meldung { color: var(--leise); text-align: center; line-height: 1.6; padding: 24px; max-width: 640px; }
.vorschau-meldung h4 { color: var(--text); margin: 0 0 6px; font-size: 15px; }
.vorschau-meldung .knopfreihe { justify-content: center; margin: 14px 0 6px; }
.vorschau-meldung details { text-align: left; margin-top: 12px; font-size: 12px; }
.vorschau-meldung details summary { cursor: pointer; color: var(--blau); }
.vorschau-meldung ol { padding-left: 18px; margin: 8px 0 0; }
.vorschau-meldung li { margin-bottom: 4px; overflow-wrap: anywhere; }
.knopfreihe { display: flex; gap: 8px; flex-wrap: wrap; }

.daten-spalte { display: flex; flex-direction: column; gap: 12px; min-width: 0; }
.karte { background: var(--weiss); border: 1px solid var(--rand); border-radius: 10px; padding: 12px 14px; }
.karte h3 { margin: 0 0 10px; font-size: 13px; text-transform: uppercase; letter-spacing: .6px; color: var(--leise); }
.karte-kopf { display: flex; justify-content: space-between; align-items: center; gap: 10px; margin-bottom: 8px; }
.karte-kopf h3 { margin: 0; }
.karte .tabelle td, .karte .tabelle th { padding-left: 4px; padding-right: 4px; }
.karte-scroll { overflow-x: auto; }

.beleg-summe { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.beleg-summe .betrag-gross { font-size: 26px; font-weight: 700; color: #0b5478; font-variant-numeric: tabular-nums; }
.beleg-summe .kreditor { font-size: 15px; font-weight: 600; }
.beleg-summe .chips { display: flex; gap: 6px; flex-wrap: wrap; }

.kopfdaten { display: grid; grid-template-columns: max-content 1fr max-content 1fr; gap: 5px 14px; margin: 12px 0 0; font-size: 13px; }
.kopfdaten dt { color: var(--leise); }
.kopfdaten dd { margin: 0; overflow-wrap: anywhere; }

.tabelle tr.personenkonto td { background: #f6f8fb; }
.tabelle tr.folgezeile td { border-top: 0; }
.tabelle tr.schritt-details td { background: #fafbfd; padding: 8px 10px 10px; }
.felder { display: flex; flex-wrap: wrap; gap: 4px 8px; font-size: 12px; }
.felder span { background: #eef1f5; border-radius: 4px; padding: 1px 6px; }
.felder b { font-weight: 600; color: var(--leise); }
.tabelle tr.aufklappbar { cursor: pointer; }
.tabelle tr.aufklappbar:hover td { background: #f5f8fc; }
.summen { display: flex; flex-wrap: wrap; gap: 6px 22px; justify-content: flex-end; margin-top: 10px; font-size: 13px; }
.summen span { color: var(--leise); margin-right: 6px; }
.summen .fehler b { color: var(--rot); }
.summen .ok b { color: var(--gruen); }
.chip.gelb { background: #fff1c2; color: #7a5400; font-weight: 600; }
.karte.kommentare { background: #fffbeb; border-color: #f0d48a; border-left: 4px solid #e8a317; }
.karte.kommentare h3 { color: #8a5d00; }
.kommentar + .kommentar { margin-top: 10px; padding-top: 10px; border-top: 1px solid #f3e2b0; }
.kommentar-text { font-size: 15px; line-height: 1.45; white-space: pre-wrap; overflow-wrap: anywhere; }
.kommentar-stelle { margin-top: 3px; font-size: 12px; color: #8a6d2e; }
.tabelle tr:has(+ tr.kommentar-zeile) td { border-bottom: 0; }
.tabelle tr.kommentar-zeile td { padding: 0 4px 8px; }
.tabelle tr.kommentar-zeile .kommentar-text {
  font-size: 13px; background: #fffbeb; border-left: 3px solid #e8a317; border-radius: 4px; padding: 5px 9px;
}
.tabelle tr.kommentar-zeile .kommentar-text + .kommentar-text { margin-top: 4px; }
.op-felder { display: grid; grid-template-columns: max-content 1fr; gap: 4px 14px; margin: 0; font-size: 13px; }
.op-felder dt { color: var(--leise); }
.op-felder dd { margin: 0; }

/* Modal und Toast */
.modal { position: fixed; inset: 0; background: rgba(15, 25, 40, .45); display: flex; align-items: flex-start; justify-content: center; z-index: 50; padding: 6vh 16px; overflow: auto; }
.modal-box { position: relative; background: #fff; border-radius: 12px; padding: 20px 24px; width: min(1100px, 100%); box-shadow: 0 20px 60px rgba(0,0,0,.25); }
.modal-box h2 { margin: 0 0 10px; font-size: 18px; }
.modal-zu { position: absolute; top: 10px; right: 12px; border: 0; background: none; font-size: 24px; color: var(--leise); }
.modal-zu:hover { background: none; color: var(--text); }
.xml { max-height: 70vh; overflow: auto; background: #f6f8fb; border: 1px solid var(--rand); border-radius: 8px; padding: 12px; font: 12px/1.5 ui-monospace, Consolas, monospace; white-space: pre; margin: 0; }

.toast { position: fixed; bottom: 22px; left: 50%; transform: translateX(-50%) translateY(100px); background: var(--nacht); color: #fff; padding: 10px 18px; border-radius: 8px; transition: .25s; z-index: 60; opacity: 0; max-width: 80vw; }
.toast.zeigen { transform: translateX(-50%); opacity: 1; }
.toast.fehler { background: var(--rot); }

/* Administration */
.admin-raster { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; max-width: 1400px; }
.admin-raster .karte.breit { grid-column: 1 / -1; }
.admin-form { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px 14px; align-items: end; }
.admin-form .weit { grid-column: 1 / -1; }
.admin-form .feld input, .admin-form .feld select { width: 100%; box-sizing: border-box; }
.erklaerung { margin: 0 0 10px; font-size: 13px; }
.check { display: flex; align-items: center; gap: 8px; font-size: 13px; }
.mandanten-wahl { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 6px 14px; padding: 10px; border: 1px solid var(--rand); border-radius: 8px; max-height: 260px; overflow: auto; }
.klein-text { font-size: 11px; }
.hinweis-balken.ok { background: var(--gruen-hell); border-color: #b5dfc4; color: #14532d; }
.karte .hinweis-balken { margin: 12px 0 0; }
.schluessel code { font-size: 13px; background: #f6f8fb; padding: 2px 6px; border-radius: 4px; user-select: all; overflow-wrap: anywhere; }

@media (max-width: 1300px) {
  .admin-raster { grid-template-columns: 1fr; }
  .kopf { gap: 14px; padding: 0 14px; }
  #benutzerName { display: none; }
  .beleg-raster { grid-template-columns: 1fr; }
  .beleg-spalte { position: static; height: 75vh; }
  .kopfdaten { grid-template-columns: max-content 1fr; }
}