:root {
  --bg: #f6f7f5; --panel: #ffffff; --text: #1d2321; --muted: #6b7570; --line: #dfe3e0;
  --accent: #1f6f5c; --accent-ink: #ffffff; --pos: #1d7a4c; --neg: #c0392b;
  --inc: #7cc4a4; --incA: #1d7a4c; --exp: #e8b48c; --expA: #c46a2b; --cur: #eef6f2;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #131715; --panel: #1c2220; --text: #e4e9e6; --muted: #93a09a; --line: #2e3633;
    --accent: #4fb795; --accent-ink: #0d1a15; --pos: #5fd19a; --neg: #ff7b6b;
    --inc: #2e6b52; --incA: #5fd19a; --exp: #7a5134; --expA: #f0a06a; --cur: #1f2b27;
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 15px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, Ubuntu, sans-serif;
  padding-bottom: env(safe-area-inset-bottom);
}
header {
  display: flex; align-items: center; justify-content: space-between;
  padding: calc(8px + env(safe-area-inset-top)) 16px 8px; background: var(--accent); color: var(--accent-ink);
}
header h1 { font-size: 18px; margin: 0; }
header h1 a { color: inherit; text-decoration: none; }
#syncBtn { background: rgba(255,255,255,.18); color: inherit; border: 0; }
#syncBtn.error { background: var(--neg); color: #fff; }
#syncBtn.local { background: rgba(255,255,255,.35); }
.hbtns { display: flex; gap: 8px; align-items: center; }
#langSel { width: auto; background: rgba(255,255,255,.18); color: inherit; border: 0; padding: 8px 6px; }
#langSel option { color: #1d2321; background: #fff; }
nav.tabs {
  position: sticky; top: 0; z-index: 5; display: flex; overflow-x: auto;
  background: var(--panel); border-bottom: 1px solid var(--line);
}
nav.tabs button {
  flex: 1 0 auto; border: 0; border-radius: 0; background: none; padding: 12px 14px;
  border-bottom: 3px solid transparent; color: var(--muted);
}
nav.tabs button.on { color: var(--accent); border-bottom-color: var(--accent); font-weight: 600; }
main { max-width: 860px; margin: 0 auto; padding: 8px 16px 48px; }
.site-footer {
  max-width: 828px; margin: 0 auto; padding: 16px 16px 24px; border-top: 1px solid var(--line);
  text-align: center; font-size: 13px; color: var(--muted);
}
.site-footer a, .panel a { color: var(--accent); }
button.danger { color: var(--neg); border-color: var(--neg); }
button.danger:disabled { color: var(--muted); border-color: var(--line); }
.danger-zone { margin-top: 12px; }
.danger-zone summary { cursor: pointer; color: var(--muted); font-size: 13px; }
.danger-zone p { margin: 8px 0; }
p.err { color: var(--neg); }
main.legal { line-height: 1.55; }
main.legal ul { padding-left: 20px; }
main.legal h3 { text-transform: none; letter-spacing: 0; font-size: 16px; color: var(--text); }
dl.stats { display: grid; grid-template-columns: 1fr auto; gap: 4px 16px; margin: 0; }
dl.stats dt { color: var(--muted); }
dl.stats dd { margin: 0; text-align: right; font-variant-numeric: tabular-nums; font-weight: 600; }
h2 { font-size: 20px; margin: 8px 0; }
h3 { font-size: 15px; margin: 20px 0 8px; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }
button, .button {
  font: inherit; padding: 8px 14px; border-radius: 8px; border: 1px solid var(--line);
  background: var(--panel); color: var(--text); cursor: pointer; display: inline-block;
}
button.primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
button:disabled { opacity: .5; cursor: default; }
button.link { border: 0; background: none; color: var(--accent); padding: 0; }
button.icon { border: 0; background: none; padding: 4px 8px; color: var(--muted); }
button.icon.small { font-size: 13px; padding: 0 4px; }
input, select, textarea {
  font: inherit; color: var(--text); background: var(--bg); border: 1px solid var(--line);
  border-radius: 8px; padding: 8px 10px; width: 100%; min-width: 0;
}
input.bad { border-color: var(--neg); }
label { display: block; font-size: 13px; color: var(--muted); }
label input, label select { margin-top: 3px; color: var(--text); font-size: 15px; }
.muted { color: var(--muted); }
.small { font-size: 12.5px; }
.center { text-align: center; }
.right { text-align: right; }
.pos { color: var(--pos); }
.neg { color: var(--neg); }
.pager { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.pager h2 { text-align: center; flex: 1; }
.pager button { font-size: 22px; padding: 2px 16px; }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin: 12px 0; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 10px 12px; min-width: 0; }
.card .label { font-size: 12px; color: var(--muted); }
.card .big { font-size: 18px; font-weight: 650; font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 12px; margin: 12px 0; }
.panel h3 { margin-top: 0; }
.formgrid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 8px; }
.formgrid .wide { grid-column: 1 / -1; }
.actions { display: flex; gap: 8px; justify-content: flex-end; margin-top: 10px; flex-wrap: wrap; }
.actions.left { justify-content: flex-start; }
.row { display: flex; gap: 8px; align-items: center; }
.row input[name=name] { flex: 1; }
.row select, .row button { width: auto; }
.catrow { padding: 6px 0; }
.catline { display: flex; justify-content: space-between; gap: 8px; }
.catline .amt { font-variant-numeric: tabular-nums; white-space: nowrap; }
.bar { height: 8px; background: var(--line); border-radius: 4px; overflow: hidden; margin: 4px 0 2px; }
.bar > div { height: 100%; border-radius: 4px; }
.bar .expense { background: var(--accent); }
.bar .income { background: var(--pos); }
.bar .over { background: var(--neg); }
.txlist { list-style: none; padding: 0; margin: 0; background: var(--panel); border: 1px solid var(--line); border-radius: 12px; }
.txlist li { display: flex; align-items: center; gap: 10px; padding: 8px 6px 8px 12px; border-bottom: 1px solid var(--line); }
.txlist li:last-child { border-bottom: 0; }
.txlist li.editing { background: var(--cur); }
.txlist .day { width: 24px; text-align: center; color: var(--muted); font-variant-numeric: tabular-nums; }
.txlist .desc { flex: 1; min-width: 0; overflow-wrap: anywhere; }
.txlist .amt { font-variant-numeric: tabular-nums; white-space: nowrap; }
.gridwrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 12px; background: var(--panel); }
table.grid { border-collapse: collapse; font-size: 13px; font-variant-numeric: tabular-nums; }
.grid th, .grid td { padding: 3px 4px; border-bottom: 1px solid var(--line); text-align: right; white-space: nowrap; }
.grid thead th { color: var(--muted); font-weight: 600; padding: 6px 4px; }
.grid .sticky { position: sticky; left: 0; background: var(--panel); text-align: left; z-index: 1; font-weight: 500; max-width: 150px; overflow: hidden; text-overflow: ellipsis; }
.grid input { width: 72px; padding: 4px 6px; text-align: right; font-size: 13px; }
.grid .cur { background: var(--cur); }
.grid tr.section th { padding-top: 12px; color: var(--accent); font-weight: 700; }
.grid tr.sum th, .grid tr.sum td { font-weight: 600; }
.grid .total { font-weight: 600; padding-left: 10px; }
.grid tfoot tr:first-child td, .grid tfoot tr:first-child th { border-top: 2px solid var(--line); }
.chart { display: flex; gap: 4px; height: 120px; align-items: stretch; margin: 12px 0 4px; }
.chart .col { flex: 1; display: flex; flex-direction: column; align-items: center; border-radius: 6px; }
.chart .col.cur { background: var(--cur); }
.chart .bars { flex: 1; width: 100%; display: flex; align-items: flex-end; justify-content: center; gap: 1px; }
.chart .b { width: 22%; border-radius: 2px 2px 0 0; }
.inc { background: var(--inc); } .incA { background: var(--incA); }
.exp { background: var(--exp); } .expA { background: var(--expA); }
.legend { display: flex; flex-wrap: wrap; gap: 4px 6px; align-items: center; color: var(--muted); }
.legend .sw { display: inline-block; width: 10px; height: 10px; border-radius: 2px; margin-left: 6px; }
.catlist { list-style: none; padding: 0; margin: 0; }
.catlist li { display: flex; gap: 8px; align-items: center; margin-bottom: 6px; }
.catlist li input { flex: 1; }
.catlist li select { width: auto; }
#currency { width: 80px; display: inline-block; margin-left: 8px; }
textarea#raw { min-height: 60vh; font: 13px/1.5 ui-monospace, "Ubuntu Mono", monospace; white-space: pre; }
.errors { margin: 8px 0; font-size: 13px; }
.errors .err { color: var(--neg); }
.errors .warn { color: var(--expA); }
code { font-size: 13px; }
@media (max-width: 560px) {
  .cards { grid-template-columns: 1fr 1fr 1fr; gap: 6px; }
  .card { padding: 8px; }
  .card .big { font-size: 15px; }
  .formgrid { grid-template-columns: 1fr 1fr; }
  .formgrid label:first-child { grid-column: 1 / -1; }
  nav.tabs button { padding: 12px 10px; }
}
body[data-tab=year] main { max-width: 1400px; }
.tag { font-size: 11px; padding: 1px 6px; border-radius: 8px; background: var(--cur); color: var(--accent); vertical-align: 1px; }
.catrow.auto .bar > div { opacity: .55; }
.catlist li { display: grid; grid-template-columns: 1fr 9.6em 2.9em auto; gap: 6px; }
.catlist li select { padding-right: 4px; }
.catlist li button.icon { padding: 4px; }
.catlist li select { width: 100%; }
.catlist li .small { text-align: right; }
.catlist li button.icon:disabled { opacity: .25; cursor: not-allowed; }
@media (max-width: 560px) { .catlist li select, .catlist li input { font-size: 14px; } }

/* training mode */
.learnbanner { display: flex; align-items: center; justify-content: space-between; gap: 8px; flex-wrap: wrap; }
.learnbanner .actions { margin: 0; }
.learnhead { display: flex; align-items: baseline; justify-content: space-between; }
.lessons { list-style: none; padding: 0; margin: 12px 0; }
.lesson { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; margin-bottom: 8px; scroll-margin-top: 60px; }
.lhead { display: flex; align-items: center; gap: 12px; width: 100%; border: 0; background: none; text-align: left; padding: 12px; font-weight: 600; }
.lhead .ltitle { flex: 1; }
.lhead .chev { color: var(--muted); }
.lesson .check { flex: 0 0 28px; height: 28px; border-radius: 50%; display: grid; place-items: center;
  border: 2px solid var(--line); color: var(--muted); font-size: 13px; }
.lesson.done .check { background: var(--pos); border-color: var(--pos); color: var(--panel); }
.lbody { padding: 0 16px 14px 52px; }
.lbody p, .lbody li { max-width: 62ch; }
.lbody ul { padding-left: 20px; }
.tip { background: var(--cur); border-radius: 8px; padding: 8px 10px; }
#backToLesson { position: fixed; left: 50%; transform: translateX(-50%); bottom: calc(16px + env(safe-area-inset-bottom));
  z-index: 10; background: var(--accent); color: var(--accent-ink); border: 0; box-shadow: 0 2px 10px rgba(0,0,0,.25); }
#backToLesson[hidden] { display: none; }
@media (max-width: 560px) { .lbody { padding-left: 14px; } }

/* undo toast */
#toast { position: fixed; left: 50%; transform: translateX(-50%); bottom: calc(16px + env(safe-area-inset-bottom));
  z-index: 11; display: flex; align-items: center; gap: 12px; padding: 8px 8px 8px 16px; border-radius: 10px;
  background: var(--text); color: var(--bg); box-shadow: 0 2px 12px rgba(0,0,0,.3); white-space: nowrap; }
#toast[hidden] { display: none; }
#toast button { background: none; border: 0; color: var(--accent); font-weight: 700; filter: brightness(1.4); }
#toast button[hidden] { display: none; }
body.has-toast #backToLesson { bottom: calc(72px + env(safe-area-inset-bottom)); }
.grid tr.balrow th, .grid tr.balrow td { border-top: 2px solid var(--line); }