:root {
  --bg: #f5f6f8;
  --surface: #ffffff;
  --text: #1c2330;
  --muted: #667085;
  --border: #dde1e7;
  --accent: #2456c9;
  --accent-text: #ffffff;
  --accent-soft: #e8eefb;
  --ok: #187a3e;
  --warn: #9a6200;
  --err: #b42318;
  --radius: 10px;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12151b;
    --surface: #1b2029;
    --text: #e6e9ef;
    --muted: #98a2b3;
    --border: #2d3440;
    --accent: #6c95f0;
    --accent-text: #0d1220;
    --accent-soft: #1f2a42;
    --ok: #5cc98a;
    --warn: #e2b14d;
    --err: #f17e74;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.brand { font-weight: 650; font-size: 17px; }
.topbar nav { display: flex; gap: 16px; }

main {
  max-width: 920px;
  margin: 0 auto;
  padding: 24px 16px 48px;
  display: grid;
  gap: 20px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}
.card.narrow { max-width: 420px; width: 100%; justify-self: center; margin-top: 8vh; }
.card-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; }

h1, h2 { margin: 0 0 12px; line-height: 1.25; }
h1 { font-size: 20px; }
h2 { font-size: 17px; }
.muted { color: var(--muted); }

button, input[type="text"] {
  font: inherit;
  border-radius: 8px;
  border: 1px solid var(--border);
  padding: 8px 14px;
  background: var(--surface);
  color: var(--text);
}
button { cursor: pointer; }
button:hover { border-color: var(--accent); }
button:disabled { opacity: .6; cursor: progress; }
button.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-text);
  font-weight: 600;
  width: 100%;
  padding: 10px 14px;
}
button.link { border: 0; background: none; padding: 4px 0; color: var(--accent); }
button.danger { color: var(--err); }
button.small { padding: 4px 10px; font-size: 13px; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.field { display: grid; gap: 4px; margin-bottom: 14px; font-size: 13px; color: var(--muted); }
.field input { width: 100%; }

.row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.row input { flex: 1 1 220px; }

.status { min-height: 1.5em; margin: 12px 0 0; font-size: 14px; }
.status.error { color: var(--err); }
.status.ok { color: var(--ok); }

.dropzone {
  display: grid;
  place-items: center;
  gap: 4px;
  padding: 36px 16px;
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  text-align: center;
  cursor: pointer;
  transition: border-color .15s, background .15s;
}
.dropzone:hover, .dropzone.over { border-color: var(--accent); background: var(--accent-soft); }
.dropzone input { position: absolute; width: 1px; height: 1px; opacity: 0; }

.progress { height: 6px; margin-top: 14px; background: var(--border); border-radius: 3px; overflow: hidden; }
.progress .bar { height: 100%; width: 0; background: var(--accent); transition: width .1s; }

.list { list-style: none; margin: 0; padding: 0; }
.list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
}
.list li:last-child { border-bottom: 0; }
.results { margin-top: 10px; font-size: 14px; }
.results .ok { color: var(--ok); }
.results .duplicate { color: var(--warn); }
.results .error { color: var(--err); }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); white-space: nowrap; }
th { color: var(--muted); font-weight: 500; font-size: 13px; }
td.name { white-space: normal; word-break: break-word; }
.num { text-align: right; font-variant-numeric: tabular-nums; }
td.actions { text-align: right; }
td.actions > * + * { margin-left: 6px; }
a { color: var(--accent); }
.empty { margin: 12px 0 0; }
.badge { font-size: 12px; color: var(--muted); border: 1px solid var(--border); border-radius: 999px; padding: 1px 8px; }

/* Ansichten und Tabs */
.topbar nav { align-items: center; }
button.tab { border: 0; background: none; padding: 4px 2px; color: var(--muted); border-bottom: 2px solid transparent; border-radius: 0; }
button.tab[aria-current] { color: var(--text); border-bottom-color: var(--accent); }
.view { display: grid; gap: 20px; }
h3 { font-size: 15px; margin: 18px 0 8px; }

.ok { color: var(--ok); }
.warn { color: var(--warn); }
.err { color: var(--err); }
button.small.ok { border-color: var(--ok); }
button.small.warn { border-color: var(--warn); }

/* Filter und Summen */
.filters { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 4px; }
.filters .field { margin: 0; flex: 0 1 auto; }
.filters .field.grow { flex: 1 1 220px; }
.filters select, .filters input { font: inherit; padding: 6px 8px; border: 1px solid var(--border); border-radius: 8px; background: var(--surface); color: var(--text); }
.sums { display: flex; flex-wrap: wrap; gap: 18px; margin: 10px 0; font-variant-numeric: tabular-nums; font-weight: 500; }

/* Buchungstabelle */
table.tx td.name { max-width: 280px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
tr.tx-row { cursor: pointer; }
tr.tx-row:hover, tr.tx-row:focus-visible { background: var(--accent-soft); outline: none; }
tr.tx-detail td { white-space: normal; background: var(--bg); }
tr.tx-detail dl { display: grid; grid-template-columns: max-content 1fr; gap: 4px 16px; margin: 4px 0 8px; }
tr.tx-detail dt { color: var(--muted); }
tr.tx-detail dd { margin: 0; white-space: pre-line; word-break: break-word; }
pre, code { font: 12px/1.45 ui-monospace, "DejaVu Sans Mono", Menlo, monospace; }
pre { overflow-x: auto; padding: 8px; background: var(--surface); border: 1px solid var(--border); border-radius: 6px; }

/* Prüfdialog */
dialog { width: min(860px, calc(100vw - 32px)); max-height: calc(100vh - 64px); border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); color: var(--text); padding: 20px; }
dialog::backdrop { background: rgb(0 0 0 / .4); }
.issues li { display: grid; gap: 2px; justify-content: stretch; }
.issues code { white-space: pre-wrap; word-break: break-word; }

/* Kategorien */
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 12px; }
.chip { display: inline-flex; gap: 6px; align-items: baseline; padding: 4px 10px; border-radius: 999px; font-size: 13px; }
.chip.none { border-style: dashed; }
select.category { font: inherit; font-size: 13px; padding: 3px 6px; border: 1px solid var(--border); border-radius: 6px; background: var(--surface); color: var(--text); max-width: 160px; }
select.category.auto { font-style: italic; color: var(--muted); border-style: dashed; }
.rule-inline { align-items: center; margin: 4px 0 8px; }
.rule-inline input { flex: 1 1 200px; }
#category-list input { flex: 1 1 auto; max-width: 280px; }
#rule-form select, .rule-inline select { font: inherit; padding: 6px 8px; border: 1px solid var(--border); border-radius: 8px; background: var(--surface); color: var(--text); }