:root {
  --bg: #f7f7f5;
  --surface: #ffffff;
  --text: #1c1c1a;
  --muted: #6b6b66;
  --border: #e3e3de;
  --accent: #0f766e;
  --accent-text: #ffffff;
  --result-bg: #ecfdf5;
  --radius: 10px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #161615;
    --surface: #1f1f1d;
    --text: #ececea;
    --muted: #a0a09a;
    --border: #33332f;
    --accent: #2dd4bf;
    --accent-text: #0b0b0a;
    --result-bg: #0f2a26;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
.wrap { max-width: 760px; margin: 0 auto; padding: 0 16px; }
header.site { padding: 18px 0; border-bottom: 1px solid var(--border); }
header.site a { color: var(--text); text-decoration: none; font-weight: 700; }
main { padding: 28px 0 48px; }
h1 { font-size: 1.7rem; line-height: 1.25; margin: 0 0 8px; }
h2 { font-size: 1.2rem; margin: 32px 0 8px; }
.lead { color: var(--muted); margin: 0 0 24px; }
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}
label { display: block; font-weight: 600; margin-bottom: 6px; }
input[type="text"], textarea, select {
  width: 100%;
  font: inherit;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
}
input[type="text"] { font-size: 1.25rem; }
textarea { min-height: 140px; resize: vertical; }
.options { display: flex; flex-wrap: wrap; gap: 10px 18px; margin: 14px 0 0; }
.options label { display: inline-flex; align-items: center; gap: 6px; font-weight: 400; margin: 0; }
.result {
  margin-top: 16px;
  background: var(--result-bg);
  border-radius: 8px;
  padding: 14px 16px;
  font-size: 1.15rem;
  min-height: 56px;
  word-break: break-word;
}
.result .hint { color: var(--muted); font-size: 0.95rem; }
.row { display: flex; gap: 10px; align-items: center; margin-top: 12px; flex-wrap: wrap; }
button {
  font: inherit;
  font-weight: 600;
  background: var(--accent);
  color: var(--accent-text);
  border: 0;
  border-radius: 8px;
  padding: 9px 16px;
  cursor: pointer;
}
button.secondary { background: transparent; color: var(--text); border: 1px solid var(--border); }
.muted { color: var(--muted); font-size: 0.95rem; }
.tools { display: grid; gap: 12px; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); }
.tools a { display: block; color: inherit; text-decoration: none; }
.tools a:hover .card { border-color: var(--accent); }
.tools h3 { margin: 0 0 4px; font-size: 1.05rem; }
.tools p { margin: 0; color: var(--muted); font-size: 0.95rem; }
footer.site { border-top: 1px solid var(--border); padding: 18px 0 32px; color: var(--muted); font-size: 0.9rem; }
footer.site a { color: var(--muted); }
input[type="number"] {
  font: inherit;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px 8px;
}
table.breakdown { width: 100%; border-collapse: collapse; margin-top: 12px; font-size: 0.97rem; }
table.breakdown th, table.breakdown td { padding: 7px 8px; border-bottom: 1px solid var(--border); text-align: left; }
table.breakdown td:last-child { text-align: right; font-variant-numeric: tabular-nums; }
table.breakdown tr.total td { font-weight: 700; }
.today .big { font-size: 2.6rem; font-weight: 700; line-height: 1.15; margin: 4px 0; color: var(--accent); }
.cal { display: grid; grid-template-columns: repeat(7, 1fr); gap: 4px; margin-top: 12px; text-align: center; }
.cal-h { font-size: 0.85rem; color: var(--muted); padding: 4px 0; }
.cal-d { border-radius: 8px; padding: 6px 0; background: var(--bg); display: flex; flex-direction: column; }
.cal-d small { color: var(--muted); font-size: 0.75rem; }
.cal-d.is-key small { color: var(--accent); font-weight: 700; }
.cal-d.is-today { outline: 2px solid var(--accent); }
.cal-d.is-event { outline: 1px solid var(--accent); }