:root { --bg: #f6f7f9; --fg: #111418; --muted: #5f6670; --line: #d9dde3; --card: #fff; --accent: #1f5eff;
  --money: #b3261e; --data: #8a4b00; color-scheme: light dark; }
@media (prefers-color-scheme: dark) {
  :root { --bg: #111418; --fg: #e8eaed; --muted: #9aa0a6; --line: #2c3138; --card: #1a1e24; --accent: #8ab4ff;
    --money: #f28b82; --data: #fdc069; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 16px/1.45 -apple-system, system-ui, sans-serif;
  padding: env(safe-area-inset-top) 16px env(safe-area-inset-bottom); }
header { display: flex; align-items: baseline; gap: 12px; padding: 16px 0 8px; }
h1 { font-size: 22px; letter-spacing: 0.08em; margin: 0; }
h2 { font-size: 19px; margin: 16px 0 8px; }
h3 { font-size: 16px; margin: 0 0 8px; }
main { max-width: 640px; margin: 0 auto; }
p { margin: 6px 0; overflow-wrap: anywhere; }
.muted, .tag { color: var(--muted); font-size: 14px; }
.status { min-height: 1.4em; color: var(--accent); }
.warn { color: var(--money); }
.fp { font: 600 24px/1.3 ui-monospace, Menlo, monospace; letter-spacing: 0.06em; }
label { display: block; margin: 10px 0; }
label.check { display: flex; gap: 10px; align-items: flex-start; }
input:not([type=checkbox]), textarea { display: block; width: 100%; margin-top: 4px; padding: 10px; font: inherit;
  color: inherit; background: var(--card); border: 1px solid var(--line); border-radius: 10px; }
button { display: block; width: 100%; margin: 10px 0; padding: 12px; font: inherit; font-weight: 600; border: 0;
  border-radius: 12px; background: var(--accent); color: #fff; }
button.secondary { background: transparent; color: var(--accent); border: 1px solid var(--line); }
button:disabled { opacity: 0.6; }
.row { display: grid; gap: 0 8px; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 14px; margin: 12px 0; }
.line { border-top: 1px solid var(--line); padding: 8px 0; }
.line.money .tag { color: var(--money); }
.line.data .tag { color: var(--data); }
details { margin-top: 16px; }
summary { color: var(--accent); cursor: pointer; }