:root {
  --bg: #f4f6fa;
  --card: #ffffff;
  --text: #18202e;
  --muted: #5d6779;
  --line: #e1e5ee;
  --accent: #2457d6;
  --accent-ink: #ffffff;
  --accent-soft: #e8eefc;
  --danger: #c62f2f;
  --danger-soft: #fdecec;
  /* Statusfarben: offen = gelb, in Bearbeitung = blau, wartend = schwarz, abgeschlossen = grün, überfällig = rot */
  --st-offen: #e0a800;          --st-offen-bg: #fff6d6;  --st-offen-ink: #6b4f00;
  --st-in_bearbeitung: #1f5fd6; --st-in_bearbeitung-bg: #e6eefc;
  --st-wartet: #111111;         --st-wartet-bg: #111111;
  --st-abgeschlossen: #1b8a4b;  --st-abgeschlossen-bg: #e3f5ea;
  --st-overdue: #d02626;        --st-overdue-bg: #fde8e8;
  --radius: 12px;
  --shadow: 0 1px 2px rgba(20, 30, 50, .06), 0 2px 8px rgba(20, 30, 50, .05);
  --nav-h: 64px;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color-scheme: light;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.45;
  -webkit-tap-highlight-color: transparent;
}
button, input, select, textarea { font: inherit; color: inherit; }
a { color: var(--accent); }

/* ---------- Layout ---------- */
.topbar {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; gap: 16px;
  padding: 10px 20px; padding-top: max(10px, env(safe-area-inset-top));
  background: var(--card); border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 18px; text-decoration: none; color: var(--text); }
.brand img { width: 28px; height: 28px; }
.topnav { display: flex; gap: 4px; margin-left: 12px; }
.topnav a, .bottomnav a {
  text-decoration: none; color: var(--muted); font-weight: 600;
}
.topnav a { padding: 8px 14px; border-radius: 8px; }
.topnav a.active { background: var(--accent-soft); color: var(--accent); }
.topbar .spacer { flex: 1; }
.userchip { font-size: 14px; color: var(--muted); }

main { max-width: 1040px; margin: 0 auto; padding: 20px; }
h1 { font-size: 24px; margin: 0 0 16px; }
h2 { font-size: 18px; margin: 24px 0 12px; }

.bottomnav { display: none; }

@media (max-width: 760px) {
  .topnav, .userchip { display: none; }
  .topbar { padding: 10px 16px; padding-top: max(10px, env(safe-area-inset-top)); }
  main { padding: 16px 16px calc(var(--nav-h) + 24px + env(safe-area-inset-bottom)); }
  h1 { font-size: 22px; }
  .bottomnav {
    display: grid; grid-auto-flow: column; grid-auto-columns: 1fr;
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 20;
    height: calc(var(--nav-h) + env(safe-area-inset-bottom));
    padding-bottom: env(safe-area-inset-bottom);
    background: var(--card); border-top: 1px solid var(--line);
  }
  .bottomnav a {
    display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px;
    font-size: 12px;
  }
  .bottomnav a svg { width: 24px; height: 24px; }
  .bottomnav a.active { color: var(--accent); }
}

/* ---------- Bausteine ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 44px; padding: 0 18px; border-radius: 10px;
  border: 1px solid var(--line); background: var(--card); font-weight: 600;
  cursor: pointer; text-decoration: none; color: var(--text); white-space: nowrap;
}
.btn:hover { border-color: #c5ccda; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn.primary:hover { filter: brightness(1.07); }
.btn.danger { color: var(--danger); }
.btn.danger:hover { background: var(--danger-soft); border-color: var(--danger); }
.btn.small { min-height: 36px; padding: 0 12px; font-size: 14px; }
.btn.ghost { border-color: transparent; background: transparent; }
.btn:disabled { opacity: .5; cursor: default; }

.card { background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); padding: 16px; }
.row { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.row.end { justify-content: flex-end; }
.muted { color: var(--muted); }
.small { font-size: 14px; }
.grow { flex: 1; }

label.field { display: block; margin-bottom: 14px; }
label.field > span { display: block; font-size: 14px; font-weight: 600; color: var(--muted); margin-bottom: 6px; }
input[type=text], input[type=password], input[type=email], input[type=date], input[type=search], select, textarea {
  width: 100%; min-height: 44px; padding: 10px 12px;
  border: 1px solid var(--line); border-radius: 10px; background: #fff;
  font-size: 16px; /* verhindert Zoom auf iOS */
}
textarea { min-height: 120px; resize: vertical; }
input:focus, select:focus, textarea:focus, .btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
.fieldgrid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 14px; }
@media (max-width: 560px) { .fieldgrid { grid-template-columns: 1fr; } }
.check { display: flex; align-items: center; gap: 10px; min-height: 44px; }
.check input { width: 20px; height: 20px; }

.badge {
  display: inline-block; padding: 3px 10px; border-radius: 999px;
  font-size: 13px; font-weight: 700; white-space: nowrap;
}
.st-in_bearbeitung { color: var(--st-in_bearbeitung); background: var(--st-in_bearbeitung-bg); }
.st-wartet { color: #fff; background: var(--st-wartet-bg); }
.st-overdue { color: #fff; background: var(--st-overdue); }
.badges { display: inline-flex; gap: 4px; flex-wrap: wrap; justify-content: flex-end; }
.st-abgeschlossen { color: var(--st-abgeschlossen); background: var(--st-abgeschlossen-bg); }
.overdue { color: var(--danger); font-weight: 700; }

/* ---------- Aufgabenliste ---------- */
.toolbar { display: flex; gap: 10px; margin-bottom: 12px; flex-wrap: wrap; }
.toolbar input[type=search] { flex: 1 1 220px; }
.toolbar select { flex: 1 1 150px; width: auto; max-width: 260px; }
@media (max-width: 760px) { .toolbar select { max-width: none; } }
.chips { display: flex; gap: 8px; overflow-x: auto; padding-bottom: 6px; margin-bottom: 12px; scrollbar-width: none; }
.chips::-webkit-scrollbar { display: none; }
.chip {
  flex: none; min-height: 38px; padding: 0 14px; border-radius: 999px;
  border: 1px solid var(--line); background: var(--card); font-weight: 600; font-size: 14px; cursor: pointer;
}
.chip .n { color: var(--muted); font-weight: 500; margin-left: 4px; }
.chip.on { background: var(--text); color: #fff; border-color: var(--text); }
.chip.on .n { color: #c9d0dc; }
.chip.warn.on { background: var(--danger); border-color: var(--danger); }

.tasklist { display: grid; gap: 10px; }
.task {
  display: block; text-decoration: none; color: inherit;
  background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 14px 16px; border-left: 4px solid var(--line);
}
.task:hover { box-shadow: 0 2px 4px rgba(20,30,50,.08), 0 6px 16px rgba(20,30,50,.08); }
.task.s-in_bearbeitung { border-left-color: var(--st-in_bearbeitung); }
.task.s-wartet { border-left-color: var(--st-wartet); }
.task.s-abgeschlossen { border-left-color: var(--st-abgeschlossen); background: #f6fbf8; }
.task.s-overdue { border-left-color: var(--st-overdue); background: #fff7f7; }
.task .t-head { display: flex; gap: 10px; align-items: flex-start; justify-content: space-between; }
.task .t-title { font-weight: 700; font-size: 16px; overflow-wrap: anywhere; }
.task.s-abgeschlossen .t-title { text-decoration: line-through; text-decoration-color: #9aa3b2; }
.task .t-meta { display: flex; gap: 6px 16px; flex-wrap: wrap; margin-top: 6px; font-size: 14px; color: var(--muted); }
.task .t-details { margin-top: 4px; font-size: 14px; color: var(--muted); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.empty { text-align: center; padding: 40px 16px; color: var(--muted); }

.fab {
  position: fixed; right: 20px; bottom: 24px; z-index: 15;
  width: 58px; height: 58px; border-radius: 50%;
  background: var(--accent); color: #fff; border: none; box-shadow: 0 6px 18px rgba(36,87,214,.4);
  display: none; align-items: center; justify-content: center; text-decoration: none;
}
.fab svg { width: 28px; height: 28px; }
@media (max-width: 760px) { .fab { display: flex; bottom: calc(var(--nav-h) + 16px + env(safe-area-inset-bottom)); } }

/* ---------- Detail ---------- */
.backlink { display: inline-flex; align-items: center; gap: 4px; margin-bottom: 12px; text-decoration: none; font-weight: 600; }
.detail-title { font-size: 22px; font-weight: 700; margin: 8px 0 4px; overflow-wrap: anywhere; }
.facts { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin: 16px 0; }
.fact span { display: block; font-size: 13px; color: var(--muted); font-weight: 600; }
.fact b { font-weight: 600; }
.details-text { white-space: pre-wrap; overflow-wrap: anywhere; }
.statusbar { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; margin: 12px 0 4px; }
.statusbar button {
  min-height: 48px; border-radius: 10px; border: 1px solid var(--line); background: var(--card);
  font-weight: 700; font-size: 14px; cursor: pointer; padding: 4px;
}
.statusbar button.on { border-width: 2px; }
.statusbar button.on.st-in_bearbeitung { border-color: var(--st-in_bearbeitung); }
.statusbar button.on.st-wartet { border-color: var(--st-wartet); }
.statusbar button.on.st-abgeschlossen { border-color: var(--st-abgeschlossen); }
.statusbar button.on.st-in_bearbeitung { background: var(--st-in_bearbeitung); color: #fff; }
.statusbar button.on.st-wartet { background: var(--st-wartet); color: #fff; }
.statusbar button.on.st-abgeschlossen { background: var(--st-abgeschlossen); color: #fff; }
.statusbar button:not(.on) { color: var(--muted); background: var(--card); }

.timeline { list-style: none; padding: 0; margin: 0; }
.timeline li { position: relative; padding: 0 0 16px 22px; border-left: 2px solid var(--line); margin-left: 6px; }
.timeline li:last-child { border-left-color: transparent; }
.timeline li::before {
  content: ''; position: absolute; left: -7px; top: 3px; width: 12px; height: 12px;
  border-radius: 50%; background: var(--card); border: 2px solid var(--accent);
}
.timeline .when { font-size: 13px; color: var(--muted); }
.changes { margin: 4px 0 0; padding: 0; list-style: none; font-size: 14px; }
.changes li { padding: 0; border: none; margin: 0; }
.changes li::before { display: none; }
.changes .from { color: var(--muted); text-decoration: line-through; }

/* ---------- Tabellen ---------- */
.tablewrap { overflow-x: auto; background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: 13px; color: var(--muted); font-weight: 700; white-space: nowrap; background: #fafbfd; }
tr:last-child td { border-bottom: none; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
tr.clickable { cursor: pointer; }
tr.clickable:hover td { background: #f8f9fc; }
tr.inactive td { color: var(--muted); }

/* Auf dem Handy werden Listen-Tabellen zu Karten */
@media (max-width: 640px) {
  table.stack thead { display: none; }
  table.stack, table.stack tbody, table.stack tr, table.stack td { display: block; width: 100%; }
  table.stack tr { padding: 10px 14px; border-bottom: 1px solid var(--line); }
  table.stack td { border: none; padding: 2px 0; }
  table.stack td[data-label]::before { content: attr(data-label) ': '; color: var(--muted); font-weight: 600; }
  table.stack td.num { text-align: left; }
}

/* ---------- Report ---------- */
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 10px; margin-bottom: 16px; }
.kpi { background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); padding: 14px 16px; }
.kpi .v { font-size: 28px; font-weight: 800; font-variant-numeric: tabular-nums; }
.kpi .l { font-size: 13px; color: var(--muted); font-weight: 600; }
.kpi.warn .v { color: var(--danger); }
.stackbar { display: flex; height: 14px; border-radius: 7px; overflow: hidden; background: var(--line); margin: 6px 0 10px; }
.stackbar div { height: 100%; }
.legend { display: flex; flex-wrap: wrap; gap: 6px 16px; font-size: 14px; }
.legend i { display: inline-block; width: 10px; height: 10px; border-radius: 3px; margin-right: 6px; }
.presets { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 12px; }
.print-only { display: none; }

@media print {
  .topbar, .bottomnav, .fab, .no-print { display: none !important; }
  .print-only { display: block; }
  body { background: #fff; font-size: 12px; }
  main { max-width: none; padding: 0; }
  .card, .kpi, .tablewrap { box-shadow: none; border: 1px solid var(--line); }
  table.stack thead { display: table-header-group; }
  table.stack, table.stack tbody { display: table-row-group; }
  table.stack { display: table; }
  table.stack tr { display: table-row; padding: 0; }
  table.stack td { display: table-cell; padding: 6px 8px; border-bottom: 1px solid var(--line); }
  table.stack td[data-label]::before { content: none; }
  tr { break-inside: avoid; }
  .kpi .v { font-size: 20px; }
}

/* ---------- Admin-Reiter ---------- */
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--line); margin-bottom: 16px; overflow-x: auto; }
.tabs a {
  padding: 10px 14px; text-decoration: none; color: var(--muted); font-weight: 600; white-space: nowrap;
  border-bottom: 3px solid transparent; margin-bottom: -1px;
}
.tabs a.active { color: var(--accent); border-bottom-color: var(--accent); }

/* ---------- Login ---------- */
.login { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 20px; }
.login .card { width: 100%; max-width: 380px; padding: 28px 24px; }
.login .brand { justify-content: center; margin-bottom: 20px; font-size: 22px; }
.login .brand img { width: 36px; height: 36px; }
.error { color: var(--danger); font-size: 14px; min-height: 20px; margin: 4px 0 8px; }

/* ---------- Dialog & Toast ---------- */
dialog {
  border: none; border-radius: 16px; padding: 0; width: min(560px, calc(100vw - 24px));
  max-height: calc(100vh - 40px); box-shadow: 0 20px 60px rgba(0,0,0,.25);
}
dialog::backdrop { background: rgba(15, 22, 36, .45); }
dialog form { padding: 20px; }
dialog h2 { margin-top: 0; }
@media (max-width: 560px) {
  dialog { width: 100vw; max-width: 100vw; margin: auto 0 0; border-radius: 16px 16px 0 0; max-height: 92vh; }
  dialog form { padding-bottom: calc(20px + env(safe-area-inset-bottom)); }
}

#toast {
  position: fixed; left: 50%; bottom: 24px; transform: translate(-50%, 20px);
  background: var(--text); color: #fff; padding: 12px 18px; border-radius: 10px;
  font-weight: 600; opacity: 0; pointer-events: none; transition: .2s; z-index: 50; max-width: calc(100vw - 32px);
}
#toast.show { opacity: 1; transform: translate(-50%, 0); }
#toast.err { background: var(--danger); }
@media (max-width: 760px) { #toast { bottom: calc(var(--nav-h) + 16px + env(safe-area-inset-bottom)); } }

/* ---------- Ergänzungen ---------- */
.btn.block { width: 100%; }
.row.between { justify-content: space-between; }
.mt { margin-top: 14px; }
.toolbar input[type=date] { flex: 0 1 170px; width: auto; }
@media (max-width: 760px) { .no-mobile { display: none; } }
.bar-in_bearbeitung { background: var(--st-in_bearbeitung); }
.bar-wartet { background: var(--st-wartet); }
.bar-abgeschlossen { background: var(--st-abgeschlossen); }
@media print { .stackbar div, .legend i { -webkit-print-color-adjust: exact; print-color-adjust: exact; } }

/* ---------- Bereiche & Filterfarben ---------- */
.area {
  display: inline-block; margin-right: 8px; padding: 2px 9px; border-radius: 6px;
  background: #6d28d9; color: #fff; font-weight: 800; font-size: 13px;
  vertical-align: 2px; white-space: nowrap;
}
.detail-title .area { font-size: 13px; vertical-align: 3px; }
.area-pick { max-width: 320px; margin-top: 4px; }
.chip.c-offen.on { background: var(--st-offen); border-color: var(--st-offen); color: var(--st-offen-ink); }
.chip.c-offen.on .n { color: var(--st-offen-ink); }
.chip.c-offen:not(.on) { border-color: var(--st-offen); }
.chip.c-in_bearbeitung.on { background: var(--st-in_bearbeitung); border-color: var(--st-in_bearbeitung); }
.chip.c-in_bearbeitung:not(.on) { border-color: var(--st-in_bearbeitung); color: var(--st-in_bearbeitung); }
.chip.c-wartet.on { background: var(--st-wartet); border-color: var(--st-wartet); }
.chip.c-wartet:not(.on) { border-color: var(--st-wartet); }
.chip.c-abgeschlossen.on { background: var(--st-abgeschlossen); border-color: var(--st-abgeschlossen); }
.chip.c-abgeschlossen:not(.on) { border-color: var(--st-abgeschlossen); color: var(--st-abgeschlossen); }
.chip.warn:not(.on) { border-color: var(--st-overdue); color: var(--st-overdue); }
.chip.warn.on { background: var(--st-overdue); border-color: var(--st-overdue); }
.chip.on .n { color: rgba(255,255,255,.8); }
.kpi.k-offen { border-top: 4px solid var(--st-offen); }
.kpi.k-done { border-top: 4px solid var(--st-abgeschlossen); }
.kpi.warn { border-top: 4px solid var(--st-overdue); }
@media print { .area, .badge { -webkit-print-color-adjust: exact; print-color-adjust: exact; } }

/* ---------- Fotos ---------- */
.photos { display: grid; grid-template-columns: repeat(auto-fill, minmax(96px, 1fr)); gap: 8px; }
.thumb { padding: 0; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; background: var(--bg); cursor: pointer; aspect-ratio: 1; }
.thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.thumb:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
label.btn { position: relative; }
.lightbox { margin: -4px 0 8px; text-align: center; }
.lightbox img { max-width: 100%; max-height: 70vh; border-radius: 10px; }
@media print { #photoBox .row { display: none; } }