:root {
  --bg: #f4f6f5;
  --card: #ffffff;
  --text: #1c2321;
  --muted: #64716c;
  --line: #dfe5e2;
  --accent: #1b7f5a;
  --accent-ink: #ffffff;
  --pos: #1b7f5a;
  --neg: #c2410c;
  --warn-bg: #fff4e5;
  --err-bg: #fdecea;
  --err: #b42318;
  --ok-bg: #e6f4ee;
  --paypal: #0070ba;
  --radius: 12px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121615;
    --card: #1c2321;
    --text: #e8ecea;
    --muted: #9aa8a2;
    --line: #2b3532;
    --accent: #37b184;
    --accent-ink: #0c1512;
    --pos: #4cc796;
    --neg: #f0894f;
    --warn-bg: #3a2c14;
    --err-bg: #3b1d1a;
    --err: #ff8a80;
    --ok-bg: #163126;
    --paypal: #3b9be0;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font: 16px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
main { flex: 1; width: 100%; max-width: 760px; margin: 0 auto; padding: 16px; }
h1 { font-size: 1.5rem; margin: 0 0 12px; }
h2 { font-size: 1.15rem; margin: 20px 0 8px; }
h3 { font-size: 1rem; margin: 16px 0 6px; }
p { margin: 8px 0; }
.muted { color: var(--muted); }
.small { font-size: .875rem; }
.pos { color: var(--pos); font-weight: 600; }
.neg { color: var(--neg); font-weight: 600; }
.zero { color: var(--muted); }
.right { text-align: right; }
.nowrap { white-space: nowrap; }

header.top {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 10px 16px; background: var(--card); border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 10;
}
.brand { font-weight: 800; font-size: 1.2rem; color: var(--text); letter-spacing: -.02em; }
.brand span { color: var(--accent); }
header nav { display: flex; gap: 4px; flex-wrap: wrap; justify-content: flex-end; align-items: center; }
header nav a, header nav button.link { padding: 6px 10px; border-radius: 8px; color: var(--text); font-size: .95rem; }
header nav a.active { background: var(--bg); font-weight: 600; }
footer.bottom { text-align: center; color: var(--muted); font-size: .8rem; padding: 20px 16px; }

.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; margin: 12px 0; }
.card.tight { padding: 0; overflow: hidden; }
.flash { padding: 10px 14px; border-radius: 10px; margin: 8px 0; }
.flash.error { background: var(--err-bg); color: var(--err); }
.flash.success { background: var(--ok-bg); color: var(--pos); }
.flash.warn { background: var(--warn-bg); }

button, .btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  font: inherit; font-weight: 600; padding: 9px 14px; border-radius: 10px;
  border: 1px solid var(--line); background: var(--card); color: var(--text); cursor: pointer;
  text-decoration: none !important; line-height: 1.2;
}
button.primary, .btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
button.danger, .btn.danger { color: var(--err); border-color: var(--err); background: transparent; }
button.paypal, .btn.paypal { background: var(--paypal); border-color: var(--paypal); color: #fff; }
button.small, .btn.small { padding: 5px 10px; font-size: .85rem; }
button.link { background: none; border: none; color: var(--accent); padding: 0; font-weight: 500; cursor: pointer; }
button.block, .btn.block { width: 100%; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; margin: 12px 0; }
form.inline { display: inline; }

label { display: block; font-weight: 600; font-size: .9rem; margin: 12px 0 4px; }
label.check { display: flex; align-items: center; gap: 8px; font-weight: 500; margin: 6px 0; }
input[type=text], input[type=password], input[type=email], input[type=date], input[type=number], input[type=url], select, textarea {
  width: 100%; font: inherit; padding: 10px 12px; border: 1px solid var(--line); border-radius: 10px;
  background: var(--bg); color: var(--text);
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: 1px; border-color: transparent; }
input[type=checkbox], input[type=radio] { width: 18px; height: 18px; accent-color: var(--accent); }
input[type=file] { font: inherit; }
.hint { color: var(--muted); font-size: .8rem; margin-top: 4px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 480px) { .grid2 { grid-template-columns: 1fr; } }
.auth { max-width: 420px; margin: 24px auto; }

.list { list-style: none; margin: 0; padding: 0; }
.list li { display: flex; align-items: center; gap: 12px; padding: 12px 16px; border-top: 1px solid var(--line); }
.list li:first-child { border-top: none; }
.list li .grow { flex: 1; min-width: 0; }
.list li .title { font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.list li .sub { color: var(--muted); font-size: .85rem; }
.list li .amt { text-align: right; white-space: nowrap; }
.list li .amt .big { font-weight: 700; }
.list a.row { display: flex; align-items: center; gap: 12px; color: inherit; width: 100%; }
.list a.row:hover { text-decoration: none; }
.date-badge { width: 44px; text-align: center; background: var(--bg); border-radius: 8px; padding: 4px 0; font-size: .8rem; line-height: 1.1; }
.date-badge b { display: block; font-size: 1.05rem; }
.month { color: var(--muted); font-size: .8rem; text-transform: uppercase; letter-spacing: .05em; padding: 14px 16px 4px; }
.pill { display: inline-block; background: var(--bg); border-radius: 999px; padding: 2px 10px; font-size: .8rem; }
.summary { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 10px; }
.summary .box { background: var(--bg); border-radius: 10px; padding: 10px 12px; }
.summary .box .lbl { font-size: .8rem; color: var(--muted); }
.summary .box .val { font-size: 1.2rem; font-weight: 700; }
.bar { display: flex; align-items: center; gap: 8px; }
.bar .track { flex: 1; height: 8px; background: var(--bg); border-radius: 4px; overflow: hidden; display: flex; justify-content: flex-end; }
.bar .fill { height: 100%; }
.bar .fill.pos { background: var(--pos); }
.bar .fill.neg { background: var(--neg); }
.tabs { display: flex; gap: 6px; flex-wrap: wrap; margin: 8px 0; }
.tabs label { margin: 0; padding: 7px 12px; border: 1px solid var(--line); border-radius: 999px; cursor: pointer; font-weight: 500; }
.tabs input { display: none; }
.tabs input:checked + span { color: var(--accent-ink); }
.tabs label:has(input:checked) { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.split-row { display: grid; grid-template-columns: 24px 1fr 120px 90px; gap: 10px; align-items: center; padding: 8px 0; border-top: 1px solid var(--line); }
.split-row:first-child { border-top: none; }
.split-row input[type=text], .split-row input[type=number] { padding: 6px 8px; }
.split-row .calc { text-align: right; color: var(--muted); font-size: .9rem; }
.split-total { display: flex; justify-content: space-between; padding-top: 8px; font-size: .9rem; }
.split-total.bad { color: var(--err); font-weight: 600; }
.receipt img { max-width: 100%; border-radius: 10px; border: 1px solid var(--line); }
table.tbl { width: 100%; border-collapse: collapse; }
table.tbl th, table.tbl td { text-align: left; padding: 8px 6px; border-top: 1px solid var(--line); }
table.tbl th { font-size: .8rem; color: var(--muted); border-top: none; }
code.copy { user-select: all; background: var(--bg); padding: 6px 8px; border-radius: 8px; display: block; word-break: break-all; font-size: .9rem; }
.fab { position: fixed; right: 18px; bottom: 18px; z-index: 5; box-shadow: 0 6px 20px rgba(0,0,0,.25); border-radius: 999px; padding: 14px 20px; font-size: 1rem; }
details summary { cursor: pointer; font-weight: 600; }
.subnav { display: flex; gap: 6px; flex-wrap: wrap; margin: 8px 0 16px; }
.subnav a { padding: 6px 12px; border-radius: 999px; background: var(--card); border: 1px solid var(--line); color: var(--text); font-size: .9rem; }
.subnav a.active { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.avatar { width: 36px; height: 36px; border-radius: 50%; background: var(--accent); color: var(--accent-ink); display: inline-flex; align-items: center; justify-content: center; font-weight: 700; flex-shrink: 0; }