:root {
  --bg: #f4f6f8;
  --surface: #ffffff;
  --surface-2: #f8fafb;
  --text: #1c2430;
  --muted: #627080;
  --border: #dde3ea;
  --accent: #1f6feb;
  --accent-text: #ffffff;
  --open: #c62828;
  --open-bg: #fdecec;
  --warn: #b26a00;
  --warn-bg: #fff4e0;
  --done: #2e7d32;
  --done-bg: #e8f5e9;
  --shadow: 0 1px 3px rgba(20, 30, 45, .08);
  --radius: 10px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #11161c;
    --surface: #1a2129;
    --surface-2: #202832;
    --text: #e6ebf0;
    --muted: #93a1b0;
    --border: #2e3946;
    --accent: #4c8dff;
    --open: #ff7b7b;
    --open-bg: #3a1f22;
    --warn: #f0b04a;
    --warn-bg: #3a2e18;
    --done: #6fcf75;
    --done-bg: #1c3320;
    --shadow: none;
  }
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
h1, h2 { margin: 0; }
h1 { font-size: 20px; }
h2 { font-size: 18px; }

.topbar {
  position: sticky; top: 0; z-index: 5;
  display: flex; gap: 12px; align-items: center; justify-content: space-between; flex-wrap: wrap;
  padding: 12px 20px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: baseline; gap: 10px; }
.brand .sub { color: var(--muted); font-size: 13px; }
.actions { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }

main { max-width: 1200px; margin: 0 auto; padding: 16px 20px 60px; }

.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  font: inherit; cursor: pointer;
}
.btn:hover { border-color: var(--accent); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); }
.btn.danger { color: var(--open); border-color: var(--open); }
.btn.small { padding: 5px 10px; font-size: 13px; }
.icon-btn { border: 0; background: none; color: var(--muted); font-size: 18px; cursor: pointer; }

.menu { position: relative; }
.menu-list {
  position: absolute; right: 0; top: calc(100% + 4px);
  background: var(--surface); border: 1px solid var(--border); border-radius: 8px;
  box-shadow: 0 6px 20px rgba(0,0,0,.15);
  display: flex; flex-direction: column; min-width: 240px; padding: 4px; z-index: 10;
}
.menu-list[hidden] { display: none; }
.menu-list button {
  text-align: left; padding: 8px 12px; border: 0; background: none; color: var(--text);
  font: inherit; border-radius: 6px; cursor: pointer;
}
.menu-list button:hover { background: var(--surface-2); }

/* Zusammenfassung */
.summary {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 10px;
  margin-bottom: 14px;
}
.tile {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 10px 14px; box-shadow: var(--shadow);
}
.tile .lbl { font-size: 12px; color: var(--muted); }
.tile .val { font-size: 20px; font-weight: 600; font-variant-numeric: tabular-nums; }
.tile.open .val { color: var(--open); }
.tile.warn .val { color: var(--warn); }

/* Filter */
.filters {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 12px; margin-bottom: 14px; box-shadow: var(--shadow);
}
.filters input[type=search] { width: 100%; font-size: 16px; padding: 10px 12px; }
.filter-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 10px; align-items: flex-end; }
.filter-row label { display: flex; flex-direction: column; font-size: 12px; color: var(--muted); gap: 3px; }

input, select, textarea {
  font: inherit; color: var(--text);
  background: var(--surface-2);
  border: 1px solid var(--border); border-radius: 7px;
  padding: 7px 9px;
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
textarea { resize: vertical; width: 100%; }

/* Liste */
.list { display: flex; flex-direction: column; gap: 10px; }
.empty { text-align: center; color: var(--muted); padding: 40px 10px; }
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 6px solid var(--done);
  border-radius: var(--radius);
  padding: 12px 14px;
  box-shadow: var(--shadow);
  display: grid; grid-template-columns: 1fr auto; gap: 6px 16px;
}
.card.st-open { border-left-color: var(--warn); }
.card.st-overdue { border-left-color: var(--open); background: linear-gradient(90deg, var(--open-bg), var(--surface) 40%); }
.card.st-done { border-left-color: var(--done); }
.card .title { font-weight: 600; font-size: 16px; cursor: pointer; }
.card .title:hover { text-decoration: underline; }
.card .meta { color: var(--muted); font-size: 13px; display: flex; flex-wrap: wrap; gap: 4px 14px; }
.card .reason { font-size: 14px; }
.card .amount { text-align: right; font-variant-numeric: tabular-nums; }
.card .amount .total { font-size: 20px; font-weight: 700; }
.card .amount .parts { font-size: 12px; color: var(--muted); }
.card .chips { grid-column: 1 / -1; display: flex; flex-wrap: wrap; gap: 6px; margin-top: 4px; }
.card .badge {
  display: inline-block; font-size: 11px; font-weight: 600; padding: 1px 7px; border-radius: 99px; margin-left: 6px;
  vertical-align: middle;
}
.badge.overdue { background: var(--open); color: #fff; }
.badge.soon { background: var(--warn); color: #fff; }
.badge.done { background: var(--done); color: #fff; }

.chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 10px; border-radius: 99px; font-size: 13px; cursor: pointer; user-select: none;
  border: 1px solid var(--open); background: var(--open-bg); color: var(--open);
}
.chip.done { border-color: var(--done); background: var(--done-bg); color: var(--done); }
.chip input { margin: 0; accent-color: var(--done); cursor: pointer; }
.chip small { opacity: .8; }

/* Dialoge */
.dlg {
  border: 0; border-radius: 14px; padding: 0; width: min(520px, calc(100vw - 24px));
  background: var(--surface); color: var(--text); box-shadow: 0 20px 60px rgba(0,0,0,.35);
}
.dlg.wide { width: min(1100px, calc(100vw - 24px)); }
.dlg::backdrop { background: rgba(10, 15, 25, .5); }
.dlg-head, .dlg-foot { display: flex; align-items: center; gap: 8px; padding: 14px 18px; }
.dlg-head { justify-content: space-between; border-bottom: 1px solid var(--border); }
.dlg-foot { border-top: 1px solid var(--border); }
.dlg-body { padding: 16px 18px; max-height: calc(100vh - 180px); overflow: auto; display: flex; flex-direction: column; gap: 10px; }
.dlg-body > label, .grid2 label { display: flex; flex-direction: column; gap: 4px; font-size: 13px; color: var(--muted); }
.spacer { flex: 1; }
.hint { font-size: 12px; color: var(--muted); margin: 0; }

.edit-grid { display: grid; grid-template-columns: 340px 1fr; gap: 18px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.grid2 .full { grid-column: 1 / -1; }
.form-col { display: flex; flex-direction: column; gap: 12px; }

.dropzone {
  border: 2px dashed var(--border); border-radius: var(--radius);
  padding: 16px; text-align: center; background: var(--surface-2);
}
.dropzone.drag { border-color: var(--accent); }
.dropzone p { margin: 0 0 10px; }
.dropzone .row { display: flex; gap: 8px; justify-content: center; flex-wrap: wrap; margin-bottom: 8px; }

.ocr-status { margin-top: 10px; font-size: 13px; color: var(--muted); }
.ocr-status .bar { height: 6px; background: var(--border); border-radius: 99px; overflow: hidden; margin-bottom: 4px; }
.ocr-status .bar div { height: 100%; width: 0; background: var(--accent); transition: width .2s; }
.ocr-notes {
  margin-top: 10px; font-size: 12px; padding: 8px 10px; border-radius: 8px;
  background: var(--warn-bg); color: var(--warn);
}
.ocr-notes ul { margin: 0; padding-left: 18px; }

.thumbs { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; margin-top: 10px; }
.thumb { position: relative; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; background: var(--surface-2); }
.thumb img { width: 100%; display: block; cursor: zoom-in; }
.thumb .pdf { padding: 26px 8px; text-align: center; font-size: 12px; cursor: pointer; word-break: break-all; }
.thumb .rm {
  position: absolute; top: 4px; right: 4px; border: 0; border-radius: 99px; width: 24px; height: 24px;
  background: rgba(0,0,0,.6); color: #fff; cursor: pointer;
}

.split {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px;
  background: var(--surface-2); border: 1px solid var(--border); border-radius: 8px; padding: 8px 12px;
  font-size: 13px;
}
.split b { display: block; font-size: 16px; font-variant-numeric: tabular-nums; }

.status-set { border: 1px solid var(--border); border-radius: 8px; padding: 8px 12px 12px; margin: 0; }
.status-set legend { font-size: 13px; color: var(--muted); padding: 0 4px; }
.status-line { display: grid; grid-template-columns: 1fr 150px; gap: 8px; align-items: center; padding: 3px 0; }
.status-line label { display: flex; gap: 8px; align-items: center; cursor: pointer; }
.status-line.open label { color: var(--open); }
.status-line.done label { color: var(--done); }
.status-line input[type=date] { padding: 4px 6px; font-size: 13px; }

.ocr-raw summary { cursor: pointer; font-size: 13px; color: var(--muted); }
.ocr-raw textarea { margin-top: 6px; font-family: ui-monospace, Consolas, monospace; font-size: 12px; }

mark { background: #ffe58a; color: inherit; border-radius: 2px; }

.toast {
  position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%);
  background: var(--text); color: var(--bg); padding: 10px 18px; border-radius: 8px; z-index: 100;
}

.search-row { display: flex; gap: 8px; }
.search-row input { flex: 1; min-width: 0; }
.count {
  display: inline-block; min-width: 18px; padding: 0 5px; margin-left: 6px; border-radius: 99px;
  background: var(--accent); color: var(--accent-text); font-size: 12px; text-align: center;
}
.card .parts { font-size: 12px; color: var(--muted); }

.mobile-only { display: none; }
.fab {
  position: fixed; z-index: 6;
  right: calc(16px + env(safe-area-inset-right));
  bottom: calc(16px + env(safe-area-inset-bottom));
  align-items: center; gap: 8px;
  padding: 14px 20px; border: 0; border-radius: 99px;
  background: var(--accent); color: var(--accent-text);
  font: 600 16px/1 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  box-shadow: 0 6px 18px rgba(31, 111, 235, .45);
  cursor: pointer;
}

@media (max-width: 820px) {
  .edit-grid { grid-template-columns: 1fr; }
  .status-line { grid-template-columns: 1fr 130px; }
}

/* ---------- Handy-Ansicht ---------- */
@media (max-width: 640px) {
  .desktop-only { display: none !important; }
  .mobile-only { display: revert; }
  .fab.mobile-only { display: inline-flex; }

  body { font-size: 15px; -webkit-tap-highlight-color: transparent; }
  /* 16px verhindert das automatische Hineinzoomen bei iPhones */
  input, select, textarea { font-size: 16px; }

  .topbar {
    flex-wrap: nowrap;
    padding: calc(10px + env(safe-area-inset-top)) 16px 10px;
  }
  .brand { flex-direction: column; gap: 0; }
  .brand .sub { font-size: 12px; }
  h1 { font-size: 19px; }
  #btnMenu { padding: 8px 14px; font-size: 18px; }

  main { padding: 12px 16px calc(96px + env(safe-area-inset-bottom)); }

  /* Kennzahlen als waagrecht wischbare Leiste */
  .summary {
    display: flex; overflow-x: auto; gap: 8px; margin: 0 -16px 12px; padding: 0 16px 4px;
    scroll-snap-type: x mandatory; scrollbar-width: none;
  }
  .summary::-webkit-scrollbar { display: none; }
  .tile { flex: 0 0 auto; min-width: 128px; padding: 8px 12px; scroll-snap-align: start; }
  .tile .lbl { font-size: 11px; white-space: nowrap; }
  .tile .val { font-size: 17px; white-space: nowrap; }

  /* Filter einklappbar */
  .filters { padding: 10px; margin-bottom: 12px; }
  .filters input[type=search] { font-size: 16px; padding: 9px 11px; }
  .filters.collapsed .filter-row { display: none; }
  .filter-row { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
  .filter-row { align-items: end; }
  .filter-row label:has(#fBasis), .filter-row label:has(#fArzt), .filter-row label:has(#fStatus), .filter-row label:has(#fSort) { grid-column: 1 / -1; }
  .filter-row select { width: 100%; }
  #btnReset { grid-column: 1 / -1; justify-content: center; padding: 9px; }

  /* Rechnungskarten */
  .card { grid-template-columns: 1fr auto; gap: 4px 10px; padding: 12px; border-left-width: 5px; }
  .card .title { font-size: 15px; line-height: 1.3; }
  .card .badge { margin: 4px 0 0; display: table; }
  .card .reason { font-size: 14px; }
  .card .meta { font-size: 12px; gap: 2px 10px; }
  .card .amount .total { font-size: 17px; white-space: nowrap; }
  .card .amount .parts { display: none; }
  .card .chips { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; margin-top: 6px; }
  .chip { min-height: 38px; padding: 6px 10px; font-size: 13px; border-radius: 10px; }
  .chip input { width: 18px; height: 18px; flex: 0 0 auto; }
  .chip { line-height: 1.2; }
  .chip small { margin-left: auto; font-size: 11px; }
  .chip:last-child:nth-child(odd) { grid-column: 1 / -1; }

  /* Dialoge im Vollbild wie eine App-Seite */
  .dlg, .dlg.wide {
    width: 100vw; max-width: 100vw; height: 100dvh; max-height: 100dvh;
    margin: 0; border-radius: 0;
  }
  .dlg > form { display: flex; flex-direction: column; height: 100%; }
  .dlg-head { padding: calc(12px + env(safe-area-inset-top)) 16px 12px; }
  .dlg-body { flex: 1; max-height: none; padding: 14px 16px; }
  .dlg-foot {
    padding: 10px 16px calc(10px + env(safe-area-inset-bottom));
    background: var(--surface);
  }
  .dlg-foot .btn { padding: 11px 16px; }
  .dlg-foot .btn.primary { flex: 1; justify-content: center; }

  .edit-grid { gap: 14px; }
  .grid2 { grid-template-columns: 1fr 1fr; gap: 10px; }
  .grid2 label:has(textarea), .grid2 label:has([name=arzt]) { grid-column: 1 / -1; }
  .grid2 input { width: 100%; min-width: 0; }

  .dropzone { padding: 12px; border-style: solid; }
  .dropzone .row { display: grid; grid-template-columns: 1fr; gap: 8px; margin-bottom: 6px; }
  .dropzone .row .btn { justify-content: center; padding: 12px; font-size: 16px; }
  .dropzone .cam-btn { background: var(--accent); border-color: var(--accent); color: var(--accent-text); }
  .dropzone .file-btn { background: var(--surface); color: var(--text); border-color: var(--border); }
  .thumbs { grid-template-columns: repeat(3, 1fr); }

  .split { padding: 8px 10px; font-size: 12px; }
  .split b { font-size: 15px; }
  .status-line { grid-template-columns: 1fr 128px; padding: 5px 0; }
  .status-line label { font-size: 14px; }
  .status-line input[type=checkbox] { width: 20px; height: 20px; }

  .menu-list { min-width: 250px; }
  .menu-list button { padding: 12px 14px; }
  .toast { bottom: calc(90px + env(safe-area-inset-bottom)); width: max-content; max-width: calc(100vw - 32px); }
}

/* Als App vom Startbildschirm geöffnet */
@media (display-mode: standalone) {
  .topbar { padding-top: calc(10px + env(safe-area-inset-top)); }
}