:root {
  --bg: #f6f7f8; --surface: #ffffff; --text: #1b1f23; --muted: #667085;
  --line: #e4e7ec; --accent: #0f766e; --accent-soft: #ccfbf1; --on-accent: #ffffff;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #101315; --surface: #181c1f; --text: #e8eaed; --muted: #98a2b3;
    --line: #2a3035; --accent: #2dd4bf; --accent-soft: #134e4a; --on-accent: #06201d;
  }
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; background: var(--bg); color: var(--text);
  font: 16px/1.4 system-ui, -apple-system, "Segoe UI", sans-serif; }
h1 { font-size: 1.25rem; margin: 0; }
.muted { color: var(--muted); }
button, input, select { font: inherit; color: inherit; }
button { min-height: 44px; padding: 0 14px; border-radius: 10px; border: 1px solid var(--line);
  background: var(--surface); cursor: pointer; }
button:hover { border-color: var(--accent); }
button.ghost { border-color: transparent; background: transparent; color: var(--muted); }
input, select { min-height: 44px; width: 100%; padding: 0 10px; border-radius: 10px;
  border: 1px solid var(--line); background: var(--surface); }

.topbar { display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  padding: 10px 16px; background: var(--surface); border-bottom: 1px solid var(--line); }
.tabs { display: flex; gap: 6px; flex: 1; }
.tabs button[aria-selected="true"], .group-by button[aria-pressed="true"],
.presets button.active { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }

main { max-width: 960px; margin: 0 auto; padding: 16px; }
.filters { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px;
  margin-bottom: 8px; }
.filters label { display: grid; gap: 4px; font-size: .85rem; color: var(--muted); }
.presets { grid-column: 1 / -1; display: flex; gap: 6px; flex-wrap: wrap; }
#status { margin: 8px 0; min-height: 1.4em; }
.summary-mode .only-list { display: none; }

table { width: 100%; border-collapse: collapse; background: var(--surface);
  border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
th, td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--line); }
th { font-size: .8rem; color: var(--muted); font-weight: 600; }
tr:last-child td { border-bottom: 0; }
.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.tag { padding: 2px 8px; border-radius: 999px; background: var(--accent-soft); font-size: .85rem; }
#more { display: block; margin: 16px auto; }

.group-by { display: flex; gap: 6px; margin-bottom: 12px; }
.bars { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.bars li { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 10px 12px; }
.bars li.link { cursor: pointer; }
.bars .row { display: flex; justify-content: space-between; gap: 12px; }
.bars .track { height: 8px; border-radius: 4px; background: var(--accent-soft); margin-top: 6px; }
.bars .fill { height: 100%; border-radius: 4px; background: var(--accent); }
.bars .total { font-weight: 600; }

.login { max-width: 360px; margin: 18vh auto 0; padding: 0 16px; text-align: center; }

@media (max-width: 639px) {
  thead { display: none; }
  table, tbody, tr, td { display: block; }
  table { background: transparent; border: 0; }
  tr { background: var(--surface); border: 1px solid var(--line); border-radius: 12px;
    padding: 8px 12px; margin-bottom: 8px; display: grid; grid-template-columns: 1fr auto;
    column-gap: 12px; }
  td { padding: 2px 0; border: 0; }
  td.date { grid-column: 1; grid-row: 2; color: var(--muted); font-size: .85rem; }
  td.concept { grid-column: 1; grid-row: 1; font-weight: 600; }
  td.cat { grid-column: 2; grid-row: 2; text-align: right; }
  td.num { grid-column: 2; grid-row: 1; }
}