:root {
  color-scheme: light dark;
  --bg: #f6f7f5;
  --panel: #ffffff;
  --ink: #17201c;
  --muted: #5e6b64;
  --line: #dfe4df;
  --accent: #17684d;
  --accent-soft: rgba(23, 104, 77, 0.13);
  --bar: #9dbfb1;
  --pos: #17684d;
  --alert-bg: #fbe9e5;
  --alert-ink: #8a2a16;
  --notice-bg: #e9f0ec;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #101513;
    --panel: #181f1c;
    --ink: #e8eee9;
    --muted: #9aa8a0;
    --line: #2c3631;
    --accent: #61c7a0;
    --accent-soft: rgba(97, 199, 160, 0.14);
    --bar: #3e6a59;
    --pos: #61c7a0;
    --alert-bg: #3a1c15;
    --alert-ink: #f6b8a7;
    --notice-bg: #1e2a25;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}
a { color: var(--accent); }
h1 { font-size: 1.6rem; margin: 0 0 1rem; }
h2 { font-size: 1.05rem; margin: 0 0 0.75rem; }
h3 { font-size: 0.8rem; margin: 1rem 0 0.25rem; color: var(--muted); font-weight: 600; }
main { max-width: 1040px; margin: 0 auto; padding: 20px 16px 64px; }
section { margin-bottom: 28px; }

.top {
  display: flex; flex-wrap: wrap; align-items: center; gap: 4px 20px;
  padding: 10px 16px; background: var(--panel); border-bottom: 1px solid var(--line);
}
.brand { font-weight: 700; color: var(--ink); text-decoration: none; }
.top nav { display: flex; flex-wrap: wrap; gap: 2px 14px; flex: 1; }
.top nav a { color: var(--muted); text-decoration: none; padding: 4px 0; }
.top nav a[aria-current] { color: var(--ink); font-weight: 600; border-bottom: 2px solid var(--accent); }

.label { margin: 0; color: var(--muted); font-size: 0.85rem; }
.big { margin: 0; font-size: 2.6rem; font-weight: 700; letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }
.delta { margin: 0 0 12px; color: var(--muted); font-variant-numeric: tabular-nums; }
.muted { color: var(--muted); font-size: 0.875rem; }
.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.pos { color: var(--pos); }
.nowrap { white-space: nowrap; }
.empty { color: var(--muted); padding: 12px 0; }

.alert, .notice { padding: 10px 14px; border-radius: 8px; margin: 0 0 10px; }
.alert { background: var(--alert-bg); color: var(--alert-ink); }
.notice { background: var(--notice-bg); }

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 12px; }
.stats > div, .columns > section { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px; }
.stats p { margin: 0; }
.stat { font-size: 1.5rem; font-weight: 650; font-variant-numeric: tabular-nums; }
.columns { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 12px; margin-bottom: 28px; }
.columns > section { margin: 0; }

.chart { display: block; width: 100%; height: auto; margin: 8px 0; }
.chart .grid { stroke: var(--line); stroke-width: 1; }
.chart .tick { fill: var(--muted); font-size: 12px; }
.chart .line { fill: none; stroke: var(--accent); stroke-width: 2; stroke-linejoin: round; }
.chart .area { fill: var(--accent-soft); stroke: none; }
.chart .bar { fill: var(--bar); }
.chart .bar.selected { fill: var(--accent); }

.accounts, .cats { list-style: none; margin: 0; padding: 0; }
.accounts li { display: flex; justify-content: space-between; gap: 12px; padding: 7px 0; border-bottom: 1px solid var(--line); }
.accounts li:last-child { border-bottom: 0; }
.accounts li > div { min-width: 0; }
.accounts .muted { display: block; font-size: 0.8rem; }
.cats a {
  display: grid; grid-template-columns: minmax(90px, 1fr) minmax(40px, 1.4fr) auto; align-items: center; gap: 10px;
  padding: 6px 0; color: inherit; text-decoration: none; border-bottom: 1px solid var(--line);
}
.cats li:last-child a { border-bottom: 0; }
.cat-group .cat-name { font-weight: 600; }
.cat-sub a { padding-left: 14px; font-size: 0.875rem; color: var(--muted); }
.cat-sub .cat-bar rect { fill: var(--bar); }
.merchants { list-style: none; margin: 0; padding: 0; background: var(--panel); border: 1px solid var(--line); border-radius: 10px; }
.merchants li { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 16px; padding: 10px 12px; border-bottom: 1px solid var(--line); }
.merchants li:last-child { border-bottom: 0; }
.merchant-info { display: flex; flex-direction: column; min-width: 0; flex: 1 1 240px; overflow-wrap: anywhere; }
.merchant-info span:first-child { color: var(--ink); font-size: 0.95rem; }
.merchants input { width: 170px; }
.merchants select { max-width: 190px; }
.cat-bar { width: 100%; height: 8px; display: block; }
.cat-bar rect { fill: var(--accent); }

.table-wrap { overflow-x: auto; background: var(--panel); border: 1px solid var(--line); border-radius: 10px; }
table { border-collapse: collapse; width: 100%; }
th, td { padding: 8px 12px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: middle; }
th { color: var(--muted); font-weight: 600; font-size: 0.8rem; }
th.num, td.num { text-align: right; }
tbody tr:last-child td { border-bottom: 0; }
.tag { font-size: 0.72rem; padding: 1px 6px; border-radius: 999px; background: var(--notice-bg); color: var(--muted); white-space: nowrap; }

input, select, button { font: inherit; color: inherit; }
input:not([type="checkbox"]), select {
  padding: 6px 8px; background: var(--bg); border: 1px solid var(--line); border-radius: 6px; max-width: 100%;
}
button { padding: 6px 12px; border: 1px solid var(--line); border-radius: 6px; background: var(--panel); cursor: pointer; }
button.primary { background: var(--accent); border-color: var(--accent); color: var(--bg); font-weight: 600; }
button.link { background: none; border: 0; padding: 0; color: var(--accent); text-decoration: underline; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.filters { display: flex; flex-wrap: wrap; align-items: flex-end; gap: 10px; margin-bottom: 12px; }
.filters label { display: flex; flex-direction: column; gap: 3px; font-size: 0.8rem; color: var(--muted); }
.cat-form, .inline { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.cat-form select { min-width: 130px; }
.js .cat-form .save { display: none; }
.js form.filters[method="get"] button { display: none; }
.check { display: inline-flex; align-items: center; gap: 4px; }
.spaced { margin-top: 24px; }
.buckets { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 12px; }
.bucket, .panel { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px; }
.bucket p { margin: 0 0 6px; }
.unit { font-size: 0.9rem; font-weight: 500; color: var(--muted); }
.tag.warn { background: var(--alert-bg); color: var(--alert-ink); }
.learned { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px 16px; }
.dup-form { margin-top: 6px; }
.pager { margin-top: 12px; text-align: center; color: var(--muted); }

.login-page { display: grid; place-items: center; min-height: 100vh; }
.login { width: 100%; max-width: 360px; }
.login form { display: grid; gap: 12px; background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 18px; }
.login label { display: grid; gap: 4px; font-size: 0.875rem; }
.login input { width: 100%; }