:root {
  --bg: #f4f6fa; --panel: #ffffff; --text: #1b2430; --muted: #5d6b7c; --line: #dfe5ee;
  --primary: #0b5fa5; --primary-2: #0a4f8a; --ok: #1f8a4c; --warn: #b7791f; --err: #c0392b;
  --ein: #1f8a4c; --aus: #c0392b; --radius: 10px; --shadow: 0 1px 3px rgba(16,24,40,.08);
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #0f141b; --panel: #171e27; --text: #e6ebf2; --muted: #98a5b6; --line: #2a3441;
          --primary: #4c9be8; --primary-2: #6fb0f0; --shadow: none; }
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body { font: 15px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; background: var(--bg); color: var(--text); }
#app { display: grid; grid-template-columns: 260px 1fr; min-height: 100vh; }
#nav { background: var(--panel); border-right: 1px solid var(--line); padding: 18px 14px; display: flex; flex-direction: column; gap: 16px; position: sticky; top: 0; height: 100vh; }
.brand { display: flex; align-items: center; gap: 10px; }
.brand small { display: block; color: var(--muted); font-size: 12px; }
.logo { width: 38px; height: 38px; border-radius: 10px; background: var(--primary); color: #fff; display: grid; place-items: center; font-weight: 700; font-size: 20px; }
.betrieb-wahl label { display: block; font-size: 12px; color: var(--muted); margin: 6px 0 2px; }
nav { display: flex; flex-direction: column; gap: 2px; }
nav a { padding: 9px 12px; border-radius: 8px; color: var(--text); text-decoration: none; }
nav a:hover { background: var(--bg); }
nav a.active { background: var(--primary); color: #fff; }
.nav-foot { margin-top: auto; font-size: 12px; color: var(--muted); display: flex; flex-direction: column; gap: 4px; }
.nav-foot a { color: var(--primary); }
main { padding: 26px 32px; max-width: 1400px; }
h1 { font-size: 24px; margin: 0 0 16px; }
h2 { font-size: 17px; margin: 22px 0 10px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; box-shadow: var(--shadow); }
.grid { display: grid; gap: 16px; }
.grid.kpi { grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); }
.kpi .card { padding: 14px 16px; }
.kpi .label { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .04em; }
.kpi .value { font-size: 24px; font-weight: 600; margin-top: 4px; font-variant-numeric: tabular-nums; }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.row.between { justify-content: space-between; }
.toolbar { margin-bottom: 14px; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { padding: 8px 10px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
th { color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: .03em; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
tr.storniert td { opacity: .5; text-decoration: line-through; }
tr.summe td { font-weight: 700; border-top: 2px solid var(--text); }
tr.bereich td { background: var(--bg); font-weight: 600; color: var(--muted); font-size: 12px; text-transform: uppercase; }
.ein { color: var(--ein); } .aus { color: var(--aus); }
.badge { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 12px; background: var(--bg); color: var(--muted); border: 1px solid var(--line); }
.badge.lock { color: var(--warn); }
.badge.ok { color: var(--ok); } .badge.err { color: var(--err); }
input, select, textarea, button { font: inherit; color: inherit; }
input, select, textarea { background: var(--panel); border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; width: 100%; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--primary); outline-offset: 0; border-color: transparent; }
button { background: var(--panel); border: 1px solid var(--line); border-radius: 8px; padding: 8px 14px; cursor: pointer; }
button:hover { border-color: var(--primary); }
button.primary { background: var(--primary); color: #fff; border-color: var(--primary); }
button.primary:hover { background: var(--primary-2); }
button.danger { color: var(--err); }
button.link { background: none; border: none; padding: 0; color: var(--primary); cursor: pointer; text-align: left; }
button.small { padding: 4px 8px; font-size: 12px; }
.form { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; }
.form label { display: block; font-size: 12px; color: var(--muted); margin-bottom: 3px; }
.form .full { grid-column: 1 / -1; }
.hint { color: var(--muted); font-size: 13px; }
.warnbox { background: rgba(183,121,31,.1); border: 1px solid var(--warn); border-radius: 8px; padding: 10px 12px; margin: 10px 0; font-size: 14px; }
.overlay { position: fixed; inset: 0; background: rgba(10,14,20,.55); display: grid; place-items: center; z-index: 50; padding: 20px; }
.overlay .card { width: min(760px, 100%); max-height: 92vh; overflow: auto; }
.overlay .card.login { width: min(440px, 100%); }
.hidden { display: none !important; }
.error { color: var(--err); min-height: 1.2em; }
#toast { position: fixed; bottom: 20px; right: 20px; display: flex; flex-direction: column; gap: 8px; z-index: 60; }
#toast div { background: var(--text); color: var(--bg); padding: 10px 14px; border-radius: 8px; box-shadow: var(--shadow); }
#toast div.err { background: var(--err); color: #fff; }
.bars { display: grid; grid-template-columns: repeat(12, 1fr); gap: 6px; align-items: end; height: 160px; margin-top: 10px; }
.bars .m { display: flex; flex-direction: column; justify-content: flex-end; align-items: center; height: 100%; gap: 2px; font-size: 11px; color: var(--muted); }
.bars .bar { width: 100%; display: flex; gap: 2px; align-items: flex-end; height: 100%; }
.bars .bar i { flex: 1; display: block; border-radius: 3px 3px 0 0; min-height: 1px; }
.bars .bar i.e { background: var(--ein); } .bars .bar i.a { background: var(--aus); }
.mono { font-family: ui-monospace, Consolas, monospace; font-size: 12px; word-break: break-all; }
.tabs { display: flex; gap: 6px; margin-bottom: 12px; flex-wrap: wrap; }
.tabs button.active { background: var(--primary); color: #fff; border-color: var(--primary); }
@media (max-width: 900px) {
  #app { grid-template-columns: 1fr; }
  #nav { position: static; height: auto; }
  main { padding: 16px; }
}
@media print { #nav, .toolbar, button { display: none !important; } #app { display: block; } main { padding: 0; } }

.login input, .login button { margin-top: 8px; width: 100%; }
.login details { margin-top: 14px; }
.login summary { cursor: pointer; }

/* Tickets (Vorbild Steuersoft News) */
.status-leiste { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin: 10px 0 14px; }
.status-leiste button { text-align: left; padding: 10px 12px; border-radius: 10px; }
.status-leiste button .n { display: block; font-size: 20px; font-weight: 700; }
.status-leiste button.active { border-color: var(--primary); box-shadow: inset 0 0 0 1px var(--primary); }
.ticket-liste .t { display: grid; grid-template-columns: 110px 1fr auto; gap: 12px; padding: 10px 6px; border-bottom: 1px solid var(--line); cursor: pointer; align-items: center; }
.ticket-liste .t:hover { background: var(--bg); }
.ticket-liste .t .nr { font-family: ui-monospace, Consolas, monospace; font-size: 12px; color: var(--muted); }
.ticket-liste .t.erledigt { opacity: .6; }
.chip { display: inline-block; padding: 2px 9px; border-radius: 999px; font-size: 12px; border: 1px solid var(--line); }
.chip.s-OFFEN, .chip.s-NEU { color: var(--primary); } .chip.s-IN_BEARBEITUNG { color: var(--warn); }
.chip.s-WARTE_AUF_KUNDE { color: var(--err); font-weight: 600; } .chip.s-GELOEST, .chip.s-GESCHLOSSEN { color: var(--ok); }
.verlauf { display: flex; flex-direction: column; gap: 10px; margin: 12px 0; }
.verlauf .k { padding: 10px 12px; border-radius: 10px; background: var(--bg); border: 1px solid var(--line); max-width: 85%; }
.verlauf .k.kunde { align-self: flex-end; border-color: var(--primary); }
.verlauf .k small { display: block; color: var(--muted); margin-bottom: 4px; }
.bekannt { font-size: 13px; }
.bekannt li { margin: 2px 0; }