:root {
  --bg: #f6f5f2;
  --card: #ffffff;
  --text: #1d1d1b;
  --muted: #6b6a66;
  --line: #e2e0da;
  --accent: #2f6fde;
  --good: #1f8a4c;
  --warn: #b5541c;
  --bar: #e8e6e0;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #151514;
    --card: #1f1f1d;
    --text: #ecebe7;
    --muted: #9c9a94;
    --line: #34332f;
    --accent: #6b9cf0;
    --good: #4cc27f;
    --warn: #e08a52;
    --bar: #2d2c29;
  }
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif;
}
main { max-width: 560px; margin: 0 auto; padding: 16px; }
h1 { margin: 8px 0 0; font-size: 1.75rem; }
h2 { margin: 0 0 12px; font-size: 1.1rem; }
.muted { color: var(--muted); margin: 4px 0 0; }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 16px;
  margin: 16px 0;
}
.banner { padding: 10px 12px; border-radius: 8px; background: var(--bar); font-size: 0.9rem; }
.banner.error { color: var(--warn); }

.big { font-size: 2.25rem; font-weight: 700; line-height: 1.1; font-variant-numeric: tabular-nums; }
.big small { font-size: 1rem; font-weight: 400; color: var(--muted); }
.bar { height: 12px; background: var(--bar); border-radius: 6px; overflow: hidden; margin: 12px 0 6px; }
.bar > div { height: 100%; background: var(--accent); border-radius: 6px; transition: width 0.4s; }
.bar.done > div { background: var(--good); }

form label { display: block; font-size: 0.9rem; color: var(--muted); margin-bottom: 12px; }
form input, form select {
  display: block; width: 100%; margin-top: 4px; padding: 10px 12px;
  font: inherit; color: var(--text); background: var(--bg);
  border: 1px solid var(--line); border-radius: 8px;
  height: 44px; min-width: 0;
}
/* iOS Safari draws date fields with its own size; make them match the others. */
form input[type="date"] { -webkit-appearance: none; appearance: none; }
form input[type="date"]::-webkit-date-and-time-value { text-align: left; }
.row { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 12px; }
button {
  width: 100%; padding: 12px; font: inherit; font-weight: 600;
  color: #fff; background: var(--accent); border: 0; border-radius: 8px; cursor: pointer;
}
.banner p { margin: 0 0 8px; }
button.secondary { width: auto; padding: 6px 12px; font-size: 0.9rem; color: var(--text); background: var(--card); border: 1px solid var(--line); }
button:disabled { opacity: 0.6; cursor: default; }

table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
th, td { text-align: left; padding: 8px 4px; border-bottom: 1px solid var(--line); }
th { font-size: 0.8rem; font-weight: 600; color: var(--muted); }
td.num, th.num { text-align: right; }
tr:last-child td { border-bottom: 0; }
.good { color: var(--good); }
.warn { color: var(--warn); }

details summary { cursor: pointer; font-weight: 600; }
details ul { padding-left: 20px; margin: 12px 0 0; }
details li { margin-bottom: 6px; }