:root {
  --bg: #f4f5f7;
  --surface: #ffffff;
  --surface-2: #f8fafc;
  --text: #16202b;
  --muted: #64748b;
  --line: #e3e8ee;
  --accent: #0f766e;
  --accent-weich: #d5efec;
  --rot: #dc2626;
  --amber: #d97706;
  --gruen: #059669;
  --schatten: 0 1px 2px rgba(16,32,43,.06), 0 8px 24px rgba(16,32,43,.06);
  --radius: 14px;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e141b;
    --surface: #161f29;
    --surface-2: #1b2734;
    --text: #e6edf3;
    --muted: #8ba0b3;
    --line: #26333f;
    --accent: #2dd4bf;
    --accent-weich: #123634;
    --schatten: 0 1px 2px rgba(0,0,0,.3), 0 10px 30px rgba(0,0,0,.35);
  }
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { margin: 0; }
body { background: var(--bg); color: var(--text); -webkit-font-smoothing: antialiased; }
h1, h2 { margin: 0; font-weight: 650; letter-spacing: -.01em; }
h2 { font-size: 1rem; }
.muted { color: var(--muted); font-weight: 400; }
button { font: inherit; cursor: pointer; }
input, select, textarea { font: inherit; }

.btn-primary { background: var(--accent); color: #fff; border: 0; padding: .6rem 1rem; border-radius: 10px; font-weight: 600; }
.btn-primary:active { transform: translateY(1px); }
.btn-ghost { background: transparent; border: 1px solid var(--line); color: var(--text); padding: .55rem 1rem; border-radius: 10px; }
.btn-danger { background: transparent; border: 1px solid var(--rot); color: var(--rot); padding: .55rem 1rem; border-radius: 10px; }
.icon-btn { background: transparent; border: 0; color: var(--muted); font-size: 1.15rem; padding: .35rem; border-radius: 8px; display: inline-flex; align-items: center; justify-content: center; }
.icon-btn:hover { background: var(--surface-2); color: var(--text); }

/* Offline-Band */
.offline-band { background: var(--amber); color: #fff; text-align: center; padding: .45rem .8rem; font-size: .85rem; }

/* Login */
.login-wrap { min-height: 100dvh; display: grid; place-items: center; padding: 1.5rem; }
.login-card { background: var(--surface); box-shadow: var(--schatten); border-radius: 18px; padding: 2rem 1.8rem; width: 100%; max-width: 360px; display: flex; flex-direction: column; gap: .55rem; }
.login-logo { width: 52px; height: 52px; border-radius: 14px; background: var(--accent); color: #fff; display: grid; place-items: center; font-weight: 800; font-size: 1.6rem; margin-bottom: .3rem; }
.login-card h1 { font-size: 1.3rem; }
.login-card label { display: flex; flex-direction: column; gap: .3rem; font-size: .85rem; color: var(--muted); margin-top: .5rem; }
.login-card input { padding: .6rem .7rem; border: 1px solid var(--line); border-radius: 10px; background: var(--surface-2); color: var(--text); }
.login-card .btn-primary { margin-top: 1rem; }
.fehler { color: var(--rot); font-size: .85rem; margin: .3rem 0 0; }

/* Topbar */
.topbar { position: sticky; top: 0; z-index: 5; display: flex; align-items: center; gap: 1rem; padding: .7rem 1rem; background: color-mix(in srgb, var(--surface) 88%, transparent); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.brand { font-weight: 700; display: flex; align-items: center; gap: .5rem; }
.brand-mark { width: 28px; height: 28px; border-radius: 8px; background: var(--accent); color: #fff; display: grid; place-items: center; font-weight: 800; font-size: .95rem; }
.tabs { display: flex; gap: .2rem; margin-left: .5rem; }
.tab { background: transparent; border: 0; color: var(--muted); padding: .45rem .8rem; border-radius: 9px; font-weight: 550; }
.tab.aktiv { background: var(--accent-weich); color: var(--accent); }
.topbar #logout { margin-left: auto; }

.tab-panel { max-width: 900px; margin: 0 auto; padding: 1.1rem 1rem 4rem; }

/* KPI */
.kpi-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: .8rem; margin-bottom: 1rem; }
.kpi { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 1rem; box-shadow: var(--schatten); }
.kpi .wert { font-size: 1.5rem; font-weight: 700; letter-spacing: -.02em; }
.kpi .label { color: var(--muted); font-size: .8rem; margin-top: .15rem; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: .9rem; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.1rem; box-shadow: var(--schatten); }
.card h2 { margin-bottom: .9rem; }

/* Balken */
.bars { display: flex; flex-direction: column; gap: .6rem; }
.bar-zeile { display: grid; grid-template-columns: 90px 1fr auto; gap: .6rem; align-items: center; font-size: .85rem; }
.bar-spur { background: var(--surface-2); border-radius: 6px; height: 10px; overflow: hidden; }
.bar-fill { height: 100%; background: var(--accent); border-radius: 6px; }
.bar-wert { color: var(--muted); font-variant-numeric: tabular-nums; }

/* Fristen */
.fristen { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: .1rem; }
.fristen li { display: flex; align-items: center; gap: .7rem; padding: .55rem 0; border-bottom: 1px solid var(--line); }
.fristen li:last-child { border-bottom: 0; }
.punkt { width: 9px; height: 9px; border-radius: 50%; flex: none; }
.frist-name { flex: 1; }
.frist-tage { font-size: .8rem; color: var(--muted); font-variant-numeric: tabular-nums; }

/* Liste */
.listen-kopf { display: flex; gap: .6rem; margin-bottom: 1rem; }
.suche { flex: 1; padding: .6rem .8rem; border: 1px solid var(--line); border-radius: 10px; background: var(--surface); color: var(--text); }
.karten { display: flex; flex-direction: column; gap: .6rem; }
.karte { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: .9rem 1rem; box-shadow: var(--schatten); display: grid; grid-template-columns: 1fr auto; gap: .3rem .8rem; align-items: center; cursor: pointer; transition: border-color .12s; }
.karte:hover { border-color: color-mix(in srgb, var(--accent) 40%, var(--line)); }
.karte .name { font-weight: 600; display: flex; align-items: center; gap: .5rem; }
.karte .sub { color: var(--muted); font-size: .82rem; }
.karte .betrag { text-align: right; font-weight: 650; font-variant-numeric: tabular-nums; }
.karte .frist { text-align: right; font-size: .8rem; }
.chip { font-size: .68rem; padding: .12rem .5rem; border-radius: 999px; background: var(--accent-weich); color: var(--accent); font-weight: 600; }
.chip.grau { background: var(--surface-2); color: var(--muted); }
.badge-sync { font-size: .66rem; padding: .1rem .45rem; border-radius: 999px; background: var(--amber); color: #fff; font-weight: 600; }
.frist-rot { color: var(--rot); font-weight: 600; }
.frist-amber { color: var(--amber); font-weight: 600; }

/* Dialog */
.dialog { position: fixed; inset: 0; background: rgba(10,16,22,.5); display: grid; place-items: end center; z-index: 20; }
.dialog-box { background: var(--surface); width: 100%; max-width: 620px; max-height: 92dvh; border-radius: 18px 18px 0 0; display: flex; flex-direction: column; box-shadow: var(--schatten); }
@media (min-width: 680px) { .dialog { place-items: center; } .dialog-box { border-radius: 18px; } }
.dialog-kopf { display: flex; align-items: center; justify-content: space-between; padding: 1rem 1.2rem; border-bottom: 1px solid var(--line); }
.dialog-fuss { display: flex; align-items: center; gap: .5rem; padding: .9rem 1.2rem; border-top: 1px solid var(--line); }
.dialog-fuss .spacer { flex: 1; }
.vertrag-form { padding: 1.1rem 1.2rem; overflow-y: auto; display: grid; grid-template-columns: 1fr 1fr; gap: .8rem; }
.vertrag-form label { display: flex; flex-direction: column; gap: .3rem; font-size: .8rem; color: var(--muted); }
.vertrag-form label.voll { grid-column: 1 / -1; }
.vertrag-form input, .vertrag-form select, .vertrag-form textarea { padding: .55rem .65rem; border: 1px solid var(--line); border-radius: 9px; background: var(--surface-2); color: var(--text); }
.vertrag-form textarea { min-height: 62px; resize: vertical; }
.form-abschnitt { grid-column: 1 / -1; font-size: .72rem; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); margin-top: .4rem; border-top: 1px solid var(--line); padding-top: .8rem; }
.doks { grid-column: 1 / -1; display: flex; flex-direction: column; gap: .4rem; }
.dok-zeile { display: flex; align-items: center; gap: .5rem; font-size: .85rem; background: var(--surface-2); padding: .4rem .6rem; border-radius: 8px; }
.dok-zeile > span { display: inline-flex; align-items: center; color: var(--muted); }
.dok-zeile a { color: var(--accent); text-decoration: none; flex: 1; }

/* Toast */
.toast { position: fixed; bottom: 1.2rem; left: 50%; transform: translateX(-50%); background: var(--text); color: var(--bg); padding: .6rem 1rem; border-radius: 10px; font-size: .88rem; z-index: 40; box-shadow: var(--schatten); }

@media (max-width: 640px) {
  .kpi-row { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .vertrag-form { grid-template-columns: 1fr; }
  .tabs .tab { padding: .45rem .6rem; }
}

.kurs-hinweis { font-size: .78rem; text-align: center; margin: 1.2rem 0 0; }