:root {
  --navy: #0b3a63;
  --blue: #1d6db3;
  --blue-light: #4aa0dc;
  --ink: #1b2430;
  --ink-soft: #5b6676;
  --line: #dfe4ea;
  --bg: #f4f6f9;
  --card: #ffffff;
  --ok: #1f7a4d;
  --ok-bg: #e5f4ec;
  --warn: #8a5a00;
  --warn-bg: #fdf1d8;
  --danger: #a32020;
  --danger-bg: #fbe6e6;
  --info-bg: #e6f0fa;
  --radius: 8px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body { font: 15px/1.5 var(--font); color: var(--ink); background: var(--bg); }
a { color: var(--blue); }
h1 { font-size: 1.5rem; margin: 0 0 .75rem; color: var(--navy); }
h2 { font-size: 1.05rem; margin: 0 0 .75rem; color: var(--navy); }
code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }

.env-banner {
  background: #f6c344; color: #3d2d00; text-align: center;
  font-size: .85rem; font-weight: 600; padding: .3rem 1rem;
}

/* Kopfzeile */
.topbar {
  display: flex; align-items: center; gap: 1.5rem; flex-wrap: wrap;
  background: var(--navy); color: #fff; padding: .6rem 1.5rem;
}
.brand { display: flex; align-items: center; gap: .6rem; color: #fff; text-decoration: none; font-weight: 700; }
.brand img { background: #fff; border-radius: 4px; padding: 2px; }
.brand small { font-weight: 400; opacity: .75; }
.mainnav { display: flex; align-items: center; gap: .25rem; flex: 1; flex-wrap: wrap; }
.mainnav a, .mainnav .soon { color: #dbe8f5; text-decoration: none; padding: .35rem .7rem; border-radius: 6px; font-size: .95rem; }
.mainnav a:hover { background: rgba(255,255,255,.1); color: #fff; }
.mainnav a.active { background: rgba(255,255,255,.18); color: #fff; }
.mainnav .soon { opacity: .45; cursor: default; }
.nav-sep { width: 1px; height: 1.2rem; background: rgba(255,255,255,.25); margin: 0 .4rem; }
.usermenu { display: flex; align-items: center; gap: 1rem; }
.usermenu a { color: #fff; text-decoration: none; }
.usermenu form { margin: 0; }
.linkbtn { background: none; border: 0; color: #dbe8f5; cursor: pointer; font: inherit; padding: 0; text-decoration: underline; }

.container { max-width: 1600px; margin: 0 auto; padding: 1.5rem 2rem; }
.page-head { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-bottom: 1rem; flex-wrap: wrap; }
.page-head h1 { margin: 0; }

.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.25rem; }
.card.narrow { max-width: none; }
.grid-2 { display: grid; grid-template-columns: 3fr 2fr; gap: 1rem; align-items: start; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
@media (max-width: 860px) { .grid-2, .grid-3 { grid-template-columns: 1fr; } }
.placeholder { color: var(--ink-soft); font-style: italic; margin: 0; }
.stack > * + * { margin-top: 1rem; }
.stack form { margin: 0; }

/* Formulare */
.field { margin-bottom: 1rem; }
.field label { display: block; font-weight: 600; margin-bottom: .3rem; }
.field input[type=text], .field input[type=email], .field input[type=password], .field input[type=number], .field input[type=date], .field input[type=month], .field select, .field textarea {
  width: 100%; padding: .55rem .7rem; font: inherit; color: var(--ink);
  border: 1px solid #c7cfd9; border-radius: 6px; background: #fff;
}
.field input:focus, .field select:focus, .field textarea:focus { outline: 2px solid var(--blue-light); outline-offset: 0; border-color: var(--blue); }
.field-check label { display: flex; gap: .5rem; align-items: center; font-weight: 600; }
.field-check input { width: 1.05rem; height: 1.05rem; }
.has-error input { border-color: var(--danger); }
.help { color: var(--ink-soft); font-size: .88rem; margin: .3rem 0 0; }
.help ul { margin: .3rem 0 0; padding-left: 1.2rem; }
.error { color: var(--danger); font-size: .9rem; margin: .3rem 0 0; }
.actions { display: flex; gap: .6rem; margin-top: 1.25rem; flex-wrap: wrap; }

.btn {
  display: inline-block; padding: .55rem 1rem; border-radius: 6px; border: 1px solid #c7cfd9;
  background: #fff; color: var(--ink); font: inherit; font-weight: 600; text-decoration: none; cursor: pointer;
}
.btn:hover { background: #f0f3f7; }
.btn-primary { background: var(--blue); border-color: var(--blue); color: #fff; }
.btn-primary:hover { background: var(--navy); border-color: var(--navy); }
.btn-block { width: 100%; }

/* Meldungen */
.messages { margin-bottom: 1rem; }
.alert { padding: .7rem 1rem; border-radius: 6px; margin-bottom: .5rem; background: var(--info-bg); }
.alert p { margin: 0; }
.alert-success { background: var(--ok-bg); color: var(--ok); }
.alert-warning { background: var(--warn-bg); color: var(--warn); }
.alert-error { background: var(--danger-bg); color: var(--danger); }

/* Tabellen */
.table-wrap { padding: 0; overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; }
.table th, .table td { padding: .65rem 1rem; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; }
.table th { font-size: .82rem; text-transform: uppercase; letter-spacing: .03em; color: var(--ink-soft); background: #f8fafc; }
.table tr:last-child td { border-bottom: 0; }
.table tr.muted td { color: var(--ink-soft); }
.right { text-align: right; }
.nowrap { white-space: nowrap; }

.badge { display: inline-block; font-size: .78rem; font-weight: 600; padding: .1rem .5rem; border-radius: 999px; background: #eef1f5; color: var(--ink-soft); }
.badge.ok { background: var(--ok-bg); color: var(--ok); }
.badge.warn { background: var(--warn-bg); color: var(--warn); }
.badge.danger { background: var(--danger-bg); color: var(--danger); }
.badge.info { background: var(--info-bg); color: var(--blue); }

.facts { display: grid; grid-template-columns: max-content 1fr; gap: .4rem 1.25rem; margin: 0 0 1.25rem; }
.facts dt { color: var(--ink-soft); }
.facts dd { margin: 0; }

.inline-filter { display: flex; align-items: center; gap: .5rem; }
.inline-filter select { padding: .4rem .6rem; font: inherit; border: 1px solid #c7cfd9; border-radius: 6px; }
.pager { display: flex; justify-content: center; gap: 1.25rem; margin-top: 1rem; }

/* Anmeldeseiten */
.auth-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 1.5rem; }
.auth-card { width: 100%; max-width: 400px; background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 2rem; box-shadow: 0 10px 30px rgba(11,58,99,.08); }
.auth-wide .auth-card { max-width: 520px; }
.auth-brand { display: flex; align-items: center; gap: .75rem; margin-bottom: 1.5rem; }
.auth-brand strong { display: block; color: var(--navy); font-size: 1.1rem; }
.auth-brand span { color: var(--ink-soft); font-size: .9rem; }
.auth-card .lead { color: var(--ink-soft); }
.auth-foot { margin: 1.25rem 0 0; font-size: .88rem; color: var(--ink-soft); text-align: center; }
.steps { padding-left: 1.2rem; }
.steps li { margin-bottom: 1rem; }
.qr { margin: .75rem 0; }
.qr svg { width: 220px; height: 220px; display: block; background: #fff; }
.secret { display: inline-block; background: #f0f3f7; padding: .4rem .6rem; border-radius: 6px; font-size: .95rem; letter-spacing: .05em; word-break: break-all; }

/* Testpostfach */
.mail-list { list-style: none; padding: 0; margin: 0; }
.mail-list li { padding: .7rem 0; border-bottom: 1px solid var(--line); }
.mail-list li:last-child { border-bottom: 0; }
.mail-text { background: #f8fafc; border: 1px solid var(--line); border-radius: 6px; padding: 1rem; word-break: break-word; }

/* Stammdaten */
.grid-2.even { grid-template-columns: 1fr 1fr; }
@media (max-width: 860px) { .grid-2.even { grid-template-columns: 1fr; } }
.row-2 { display: grid; grid-template-columns: 1fr 2fr; gap: .75rem; }
.req { color: var(--danger); }
.searchbar { display: flex; gap: .6rem; align-items: center; margin-bottom: 1rem; flex-wrap: wrap; }
.searchbar input[type=search] { flex: 1; min-width: 220px; padding: .55rem .7rem; font: inherit; border: 1px solid #c7cfd9; border-radius: 6px; }
.searchbar select { padding: .55rem .7rem; font: inherit; border: 1px solid #c7cfd9; border-radius: 6px; background: #fff; }
.inline-check { display: inline-flex; align-items: center; gap: .4rem; color: var(--ink-soft); white-space: nowrap; }
.head-actions { display: flex; align-items: center; gap: 1rem; }
.head-actions form { margin: 0; }
.field textarea { resize: vertical; }

/* Gutschriftvereinbarung */
.vertrag { white-space: pre-wrap; line-height: 1.55; font-size: .95rem; }
.auth-doc .auth-card { max-width: 860px; }
.auth-doc .vertrag { border: 1px solid var(--line); border-radius: 8px; padding: 1.25rem; max-height: 60vh; overflow-y: auto; background: #fbfcfd; margin: 1rem 0 1.5rem; }
.table.compact th, .table.compact td { padding: .45rem .6rem; }
.small { font-size: .85rem; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; word-break: break-all; }
a.badge { text-decoration: none; }
.alert ul { margin: .3rem 0 .5rem 1.1rem; padding: 0; }
@media print {
  .env-banner, .topbar, .no-print, .messages { display: none !important; }
  body { background: #fff; }
  .container { padding: 0; max-width: none; }
  .card { border: 0; padding: 0; }
  .vertrag { font-size: 10.5pt; }
}
.mail-html { width: 100%; height: 620px; border: 1px solid var(--line); border-radius: 6px; background: #fff; }
details summary { cursor: pointer; margin: .75rem 0; color: var(--ink-soft); }
.table tfoot th { border-top: 2px solid var(--line, #d5dbe3); }
.stepper { display: flex; align-items: stretch; gap: .4rem; max-width: 260px; }
.stepper input { text-align: center; }
.stepper-btn { flex: 0 0 auto; width: 3rem; min-height: 2.75rem; font-size: 1.5rem; line-height: 1; font-weight: 600; color: var(--ink); background: #fff; border: 1px solid #c7cfd9; border-radius: 6px; cursor: pointer; user-select: none; }
.stepper-btn:hover { background: #f0f3f7; border-color: var(--blue); }
.stepper-btn:active { background: #e3e9f1; }
.app-footer { color: var(--ink-soft); font-size: .85rem; padding-top: 0; text-align: right; }
.table th.right, .table td.right { text-align: right; }
.table .linkbtn, .card .linkbtn { color: var(--blue); }
.row-3 { display: grid; grid-template-columns: 1fr 1fr 2fr; gap: 1rem; }
@media (max-width: 860px) { .row-3 { grid-template-columns: 1fr; } }
.inline-details summary { margin: 0; color: var(--blue); text-decoration: underline; }
.inline-form { display: flex; gap: .4rem; margin-top: .4rem; justify-content: flex-end; }
.inline-form input { padding: .4rem .6rem; font: inherit; border: 1px solid #c7cfd9; border-radius: 6px; min-width: 220px; }
tr.muted td { color: var(--ink-soft); }
.kennzahl { font-size: 1.6rem; font-weight: 700; margin: .2rem 0; }
.tabs { display: flex; gap: .25rem; border-bottom: 2px solid var(--line); margin-bottom: 1rem; flex-wrap: wrap; }
.tabs a { padding: .6rem 1rem; text-decoration: none; color: var(--ink-soft); font-weight: 600; border-bottom: 3px solid transparent; margin-bottom: -2px; }
.tabs a.active { color: var(--blue); border-bottom-color: var(--blue); }
.searchbar input[type=date] { padding: .5rem .6rem; font: inherit; border: 1px solid #c7cfd9; border-radius: 6px; background: #fff; margin-left: .3rem; }

/* Hilfe */
.hilfe-marke {
  display: inline-flex; align-items: center; justify-content: center; width: 1.25rem; height: 1.25rem;
  margin-left: .3rem; border-radius: 50%; background: var(--info-bg); color: var(--blue); border: 1px solid #b9d3ee;
  font-size: .78rem; font-weight: 700; text-decoration: none; vertical-align: middle; line-height: 1;
}
.hilfe-marke:hover { background: var(--blue); color: #fff; border-color: var(--blue); }
.hilfe-chat {
  border: 1px solid rgba(255,255,255,.45); border-radius: 6px; padding: .3rem .7rem; font-size: .9rem; white-space: nowrap;
}
.hilfe-chat:hover { background: rgba(255,255,255,.12); }
.wissen-hinweis { display: flex; gap: 1rem; align-items: center; justify-content: space-between; flex-wrap: wrap; }
.wissen-aktionen { display: flex; gap: .5rem; flex-wrap: wrap; }
.wissen-aktionen form { margin: 0; }
.hilfe-layout { display: grid; grid-template-columns: 280px 1fr; gap: 1rem; align-items: start; }
@media (max-width: 860px) { .hilfe-layout { grid-template-columns: 1fr; } }
.hilfe-inhalt { position: sticky; top: 1rem; max-height: calc(100vh - 2rem); overflow-y: auto; font-size: .92rem; }
.hilfe-inhalt ul { list-style: none; margin: .2rem 0 .8rem; padding-left: .7rem; }
.hilfe-inhalt li { margin: .2rem 0; }
.hilfe-inhalt a { text-decoration: none; }
.hilfe-inhalt a:hover { text-decoration: underline; }
.hilfe-inhalt-titel { font-weight: 700; color: var(--navy); }
.hilfe-kapitel { margin-bottom: 1.5rem; }
.hilfe-kapitel-titel { font-size: 1.2rem; margin: 0 0 .6rem; }
.hilfe-abschnitt { margin-bottom: .75rem; scroll-margin-top: 1rem; }
.hilfe-abschnitt h3 { margin: 0 0 .5rem; color: var(--navy); font-size: 1rem; }
.hilfe-abschnitt p { margin: 0 0 .6rem; }
.hilfe-abschnitt ul, .hilfe-abschnitt ol { margin: 0 0 .6rem; padding-left: 1.4rem; }
.hilfe-abschnitt li { margin: .25rem 0; }
.hilfe-abschnitt:target { outline: 3px solid var(--blue-light); }
.hilfe-wissen { margin-bottom: 1rem; }
[hidden] { display: none !important; }
#ueberzahlungen { margin: 1rem 0; }

/* Lesbarkeit: Feldbezeichnungen deutlich, Erklärungen zurückhaltend, Eingaben in einem eigenen Kasten */
.field label { font-size: 1rem; font-weight: 700; color: var(--navy); }
.help { font-size: .85rem; }
.table tfoot th { text-transform: none; letter-spacing: 0; font-size: .95rem; font-weight: 600; color: var(--ink); }
.table tfoot th.help { font-weight: 400; color: var(--ink-soft); font-size: .88rem; }
.eingabe { margin-top: 1.5rem; padding: 1.25rem; background: #eef4fa; border: 1px solid #c9dbee; border-radius: 8px; }
.eingabe h3 { margin: 0 0 1rem; font-size: 1.1rem; color: var(--navy); }
.eingabe .field { margin-bottom: .75rem; }
.eingabe .hinweis { margin: 0 0 1rem; font-size: .92rem; color: var(--ink); }
.eingabe .actions { margin-top: .25rem; }
.haken-kasten { display: inline-block; margin: 0 0 1rem; padding: .6rem .9rem; background: #fff; border: 1px solid #c7cfd9; border-radius: 6px; }
.haken-kasten label { display: flex; gap: .55rem; align-items: center; font-weight: 700; color: var(--navy); cursor: pointer; }
.haken-kasten input { width: 1.15rem; height: 1.15rem; margin: 0; }
.haken-kasten .help { margin: .3rem 0 0 1.7rem; }

/* --- Gliederung aller Seiten: Kästen deutlich vom Hintergrund und voneinander absetzen --------------------------
   Jeder Kasten hat eine Kopfzeile als Balken; Kästen zum Ausfüllen sind hellblau (Klasse „formular“ bzw. „eingabe“),
   Such- und Filterzeilen ebenso. */
body { background: #e6ebf1; }
.card { border-color: #cfd8e3; box-shadow: 0 1px 3px rgba(11, 58, 99, .10); margin-bottom: 1.25rem; }
.grid-2, .grid-3 { gap: 1.25rem; margin-bottom: 1.25rem; }
.grid-2 > .card, .grid-3 > .card { margin-bottom: 0; }
.page-head { margin-bottom: 1.25rem; }
.card > h2:first-of-type {
  margin: -1.25rem -1.25rem 1rem; padding: .75rem 1.25rem; font-size: 1.1rem;
  background: #f1f4f8; border-bottom: 1px solid #cfd8e3; border-radius: var(--radius) var(--radius) 0 0;
}
.card.formular { background: #eef4fa; border-color: #b9d0e8; }
.card.formular > h2:first-of-type { background: #dbe8f5; border-bottom-color: #b9d0e8; }
.searchbar { background: #eef4fa; border: 1px solid #b9d0e8; border-radius: var(--radius); padding: .75rem 1rem; }
.card .searchbar { margin-bottom: 0; }
.actions > details[open] { flex-basis: 100%; }
#ueberzahlungen { margin: 0 0 1.25rem; }
.hilfe-abschnitt { margin-bottom: .75rem; }
@media print {
  .card > h2:first-of-type { margin: 0 0 .75rem; padding: 0; background: none; border: 0; }
  .card { box-shadow: none; }
}
.eingabe > .help:first-child { margin: 0 0 .75rem; }
.hinweis { margin: 0 0 1rem; font-size: .92rem; }
.schluessel { font-size: 1.35rem; letter-spacing: .08em; background: #fff; border: 1px dashed #c7cfd9; border-radius: 6px; padding: .6rem .9rem; display: inline-block; margin: .5rem 0 1rem; }
.btn[disabled] { opacity: .5; cursor: not-allowed; }
.betrieb-warnung h2 { color: var(--danger); }
.betrieb-warnung ul { margin: 0 0 1rem 1.2rem; padding: 0; }