:root {
  --bg: #f6f7f9;
  --surface: #ffffff;
  --surface-2: #eef1f5;
  --ink: #16202b;
  --muted: #5b6776;
  --line: #d9dee5;
  --accent: #c8102e;
  --accent-ink: #ffffff;
  --good: #1a7f4b;
  --good-bg: #e6f4ec;
  --warn: #9a5b00;
  --warn-bg: #fff4e0;
  --bad: #b42318;
  --bad-bg: #fdecea;
  --info-bg: #e8f0fb;
  --radius: 12px;
  --shadow: 0 1px 2px rgba(16, 24, 40, 0.06), 0 1px 3px rgba(16, 24, 40, 0.08);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f141a;
    --surface: #171e26;
    --surface-2: #1f2832;
    --ink: #e8edf2;
    --muted: #9aa6b4;
    --line: #2c3743;
    --accent: #ff4d5e;
    --good: #4cc38a;
    --good-bg: #133524;
    --warn: #f0b354;
    --warn-bg: #3a2a0f;
    --bad: #ff7a6e;
    --bad-bg: #3d1713;
    --info-bg: #16283f;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.5;
}

a { color: inherit; text-underline-offset: 2px; }

.wrap { max-width: 1040px; margin: 0 auto; padding: 0 16px; }

header.site {
  background: var(--surface);
  border-bottom: 1px solid var(--line);
}

header.site .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-top: 14px;
  padding-bottom: 14px;
}

.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.1rem; }
.brand .leaf { color: var(--accent); font-size: 1.4rem; line-height: 1; }
header.site nav a { color: var(--muted); font-size: 0.92rem; margin-left: 14px; }

.hero { padding: 36px 0 12px; }
.hero h1 { font-size: clamp(1.6rem, 4vw, 2.3rem); line-height: 1.15; margin: 0 0 10px; }
.hero p { color: var(--muted); max-width: 680px; margin: 0; font-size: 1.05rem; }

main { padding-bottom: 48px; }

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
  margin-top: 18px;
}

.card h2 { font-size: 1.15rem; margin: 0 0 4px; }
.card .sub { color: var(--muted); margin: 0 0 14px; font-size: 0.95rem; }

.grid { display: grid; gap: 14px; }
.grid.two { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.grid.four { grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }

label { display: block; font-weight: 600; font-size: 0.9rem; margin-bottom: 6px; }
.hint { color: var(--muted); font-size: 0.85rem; font-weight: 400; }

input[type="text"], input[type="number"], input[type="date"], input[type="search"], select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--ink);
  font: inherit;
}

input:focus-visible, select:focus-visible, button:focus-visible, a:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--accent) 45%, transparent);
  outline-offset: 2px;
}

button, .button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink);
  padding: 9px 14px;
  border-radius: 8px;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
}

button.primary, .button.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
button:disabled { opacity: 0.55; cursor: not-allowed; }

.row { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }

.badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 700;
  background: var(--surface-2);
  color: var(--muted);
}
.badge.good { background: var(--good-bg); color: var(--good); }
.badge.warn { background: var(--warn-bg); color: var(--warn); }
.badge.bad { background: var(--bad-bg); color: var(--bad); }

.callout { border-radius: 10px; padding: 12px 14px; background: var(--info-bg); font-size: 0.95rem; }
.callout.good { background: var(--good-bg); }
.callout.warn { background: var(--warn-bg); }
.callout.bad { background: var(--bad-bg); }

.stat { background: var(--surface-2); border-radius: 10px; padding: 12px 14px; }
.stat .k { color: var(--muted); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.04em; }
.stat .v { font-size: 1.45rem; font-weight: 700; font-variant-numeric: tabular-nums; }

.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 10px; }
table { width: 100%; border-collapse: collapse; font-size: 0.92rem; }
th, td { text-align: left; padding: 9px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { background: var(--surface-2); font-weight: 600; white-space: nowrap; }
tr:last-child td { border-bottom: 0; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }

.meter { height: 14px; background: var(--surface-2); border-radius: 999px; overflow: hidden; }
.meter > span { display: block; height: 100%; background: var(--good); border-radius: 999px; transition: width 0.4s ease; }
.meter.warn > span { background: var(--warn); }
.meter.bad > span { background: var(--bad); }

.muted { color: var(--muted); }
.small { font-size: 0.85rem; }
.hidden { display: none !important; }

footer.site { border-top: 1px solid var(--line); color: var(--muted); font-size: 0.85rem; padding: 20px 0 40px; }
footer.site p { margin: 4px 0; }

@media (max-width: 600px) {
  header.site nav { display: none; }
  .card { padding: 16px; }
}

@media print {
  header.site, footer.site, .no-print { display: none !important; }
  .card { box-shadow: none; break-inside: avoid; }
}