:root {
  --blau: #1f4e78; --blau-hell: #ddebf7; --grau: #6b7280; --linie: #d9dee5; --hg: #f4f6f9;
  --gruen: #1e7d4b; --rot: #b42318; --gelb: #fff2cc; --orange: #fce4d6; --weiss: #fff;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body { font: 14px/1.45 Arial, Helvetica, sans-serif; color: #1a1a1a; background: var(--hg); }
a { color: var(--blau); }
h1 { font-size: 22px; margin: 0 0 12px; }
h2 { font-size: 17px; margin: 24px 0 8px; color: var(--blau); }
h3 { font-size: 15px; margin: 18px 0 6px; }
.hinweis, .klein { color: var(--grau); font-size: 13px; }
code { background: #eef1f5; padding: 1px 4px; border-radius: 3px; font-size: 12.5px; }

.kopf { background: var(--blau); color: #fff; }
.kopf-innen { max-width: 1400px; margin: 0 auto; padding: 0 16px; display: flex; align-items: center; gap: 20px; min-height: 52px; flex-wrap: wrap; }
.marke { color: #fff; text-decoration: none; font-weight: bold; font-size: 16px; white-space: nowrap; }
.logo { font-size: 18px; margin-right: 4px; }
.nav { display: flex; gap: 2px; flex-wrap: wrap; }
.nav a { color: #dbe7f3; text-decoration: none; padding: 15px 12px; display: inline-block; border-bottom: 3px solid transparent; }
.nav a:hover { color: #fff; }
.nav a.aktiv { color: #fff; border-bottom-color: #fff; }
.benutzer { margin-left: auto; font-size: 13px; display: flex; gap: 12px; align-items: center; }
.benutzer a { color: #dbe7f3; }

.inhalt { max-width: 1400px; margin: 0 auto; padding: 20px 16px 40px; }
.fuss { text-align: center; color: var(--grau); font-size: 12px; padding: 20px; }

.flash { padding: 10px 14px; border-radius: 6px; margin-bottom: 12px; border: 1px solid; }
.flash.ok { background: #e2efda; border-color: #a9d18e; color: #245b2a; }
.flash.fehler { background: #fde2e1; border-color: #f4a29d; color: #7a1a12; }
.flash.warn { background: var(--gelb); border-color: #e6cf7a; color: #6b4d00; }
.flash.info { background: var(--blau-hell); border-color: #9dc3e6; color: #1f4e78; }

.karte { background: var(--weiss); border: 1px solid var(--linie); border-radius: 8px; padding: 16px 18px; margin-bottom: 18px; }
.karten { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 12px; margin-bottom: 18px; }
.kennzahl { background: var(--weiss); border: 1px solid var(--linie); border-radius: 8px; padding: 12px 14px; }
.kennzahl .label { color: var(--grau); font-size: 12px; text-transform: uppercase; letter-spacing: .03em; }
.kennzahl .wert { font-size: 20px; font-weight: bold; margin-top: 4px; }
.kennzahl.warn { border-color: #e6a05c; background: var(--orange); }
.kennzahl.ok { border-color: #a9d18e; background: #e2efda; }

table.tab { width: 100%; border-collapse: collapse; background: var(--weiss); font-size: 13px; }
table.tab th { background: var(--blau); color: #fff; text-align: left; padding: 7px 8px; font-weight: bold; white-space: nowrap; position: sticky; top: 0; }
table.tab td { padding: 5px 8px; border-bottom: 1px solid var(--linie); vertical-align: top; }
table.tab tr:hover td { background: #f7f9fc; }
table.tab tr.summe td { font-weight: bold; background: var(--blau-hell); border-top: 2px solid var(--blau); }
table.tab tr.offen td { background: var(--orange); }
table.tab tr.gruppe td { background: #eef1f5; font-weight: bold; }
td.r, th.r { text-align: right; }
td.c, th.c { text-align: center; }
td.nowrap { white-space: nowrap; }
.tabelle-scroll { overflow-x: auto; border: 1px solid var(--linie); border-radius: 8px; background: var(--weiss); }
.tabelle-scroll table.tab { border: 0; }
.betrag { font-variant-numeric: tabular-nums; white-space: nowrap; }
.betrag.neg { color: var(--rot); }
.betrag.pos { color: #14532d; }
.betrag.null { color: var(--grau); }
.vz { color: #333; max-width: 520px; overflow-wrap: anywhere; }
.tag { display: inline-block; padding: 1px 7px; border-radius: 10px; font-size: 11.5px; background: #eef1f5; color: #333; white-space: nowrap; }
.tag.zahlung { background: #e2efda; color: #245b2a; }
.tag.umlage { background: var(--blau-hell); color: #1f4e78; }
.tag.direkt { background: #ede7f6; color: #4a2c82; }
.tag.offen { background: var(--orange); color: #8a3b00; }
.tag.manuell { background: var(--gelb); color: #6b4d00; }
.tag.fehler { background: #fde2e1; color: #7a1a12; }

form.zeile { display: flex; gap: 10px; flex-wrap: wrap; align-items: flex-end; margin-bottom: 12px; }
form.zeile label { display: flex; flex-direction: column; font-size: 12px; color: var(--grau); gap: 3px; }
.feld { margin-bottom: 12px; }
.feld label { display: block; font-size: 12.5px; color: #333; margin-bottom: 3px; font-weight: bold; }
.feld .hilfe { display: block; font-size: 12px; color: var(--grau); margin-top: 2px; font-weight: normal; }
.felder { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 0 18px; }
.felder .breit { grid-column: 1 / -1; }
input[type=text], input[type=email], input[type=password], input[type=number], input[type=date], input[type=file], select, textarea {
  font: inherit; padding: 6px 8px; border: 1px solid #b9c2cf; border-radius: 5px; background: #fff; width: 100%; max-width: 100%;
}
input[readonly] { background: #f0f2f5; }
textarea { min-height: 90px; }
form.zeile input, form.zeile select { width: auto; }
input.kurz, select.kurz { width: 110px; }
.pflicht::after { content: " *"; color: var(--rot); }

.btn { display: inline-block; font: inherit; padding: 7px 14px; border-radius: 5px; border: 1px solid var(--blau); background: var(--blau); color: #fff; cursor: pointer; text-decoration: none; line-height: 1.2; }
.btn:hover { background: #163a5a; }
.btn.sekundaer { background: #fff; color: var(--blau); }
.btn.sekundaer:hover { background: var(--blau-hell); }
.btn.gefahr { background: #fff; color: var(--rot); border-color: var(--rot); }
.btn.gefahr:hover { background: #fde2e1; }
.btn.klein { padding: 3px 9px; font-size: 12.5px; }
.btn[disabled] { opacity: .5; cursor: default; }
.aktionen { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin: 10px 0; }
.rechts { margin-left: auto; }

.login-box { max-width: 380px; margin: 60px auto; }
.login-box h1 { text-align: center; }

details.block { background: var(--weiss); border: 1px solid var(--linie); border-radius: 8px; padding: 10px 14px; margin-bottom: 12px; }
details.block summary { cursor: pointer; font-weight: bold; color: var(--blau); }
.spalten-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 900px) { .spalten-2 { grid-template-columns: 1fr; } .nav a { padding: 10px 8px; } }
.mono { font-family: Consolas, Menlo, monospace; font-size: 12px; }
.abstand { height: 8px; }
ul.liste { margin: 6px 0; padding-left: 20px; }
.check-liste { columns: 2; column-gap: 24px; }
.check-liste label { display: block; break-inside: avoid; padding: 2px 0; font-weight: normal; }
progress { width: 100%; }