:root {
  color-scheme: light dark;
  --bg: #f5f7fb;
  --surface: #ffffff;
  --ink: #14213d;
  --muted: #52607a;
  --line: #dbe3ef;
  --accent: #1f47a8;
  --good-bg: #e3f5ec;
  --good: #0f6b43;
  --bad-bg: #fdebe9;
  --bad: #a8261b;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1522;
    --surface: #182033;
    --ink: #e8edf7;
    --muted: #a3afc4;
    --line: #2a354c;
    --accent: #8fb0ff;
    --good-bg: #123526;
    --good: #7fe0b0;
    --bad-bg: #3d1a17;
    --bad: #ff9d93;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0 16px 32px;
  background: var(--bg);
  color: var(--ink);
  font:
    16px/1.6 system-ui,
    'Segoe UI',
    Tahoma,
    sans-serif;
}

.top {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  max-width: 1100px;
  margin: 0 auto;
  padding: 16px 0;
}

.top h1 {
  margin: 0;
  margin-inline-end: auto;
  font-size: 1.4rem;
}

main {
  display: grid;
  gap: 16px;
  max-width: 1100px;
  margin: 0 auto;
}

@media (width > 60rem) {
  main {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.panel {
  display: grid;
  gap: 10px;
  padding: 16px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  min-width: 0;
}

.panel h2 {
  margin: 0;
  font-size: 1.15rem;
}

.panel.center {
  justify-items: start;
}

.panel.down {
  border-color: var(--bad);
}

.row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
  align-items: center;
}

.figures {
  display: grid;
  grid-template-columns: max-content minmax(0, 1fr);
  gap: 6px 14px;
  margin: 0;
}

.figures dt {
  color: var(--muted);
}

.figures dd {
  margin: 0;
  overflow-wrap: anywhere;
}

.muted {
  color: var(--muted);
  font-size: 0.9rem;
}

.bad {
  color: var(--bad);
  font-weight: 700;
}

.badge {
  padding: 2px 10px;
  border-radius: 999px;
  background: var(--line);
  font-size: 0.85rem;
}

.badge.good {
  background: var(--good-bg);
  color: var(--good);
}

.badge.bad {
  background: var(--bad-bg);
  color: var(--bad);
}

.message {
  margin: 0;
  padding: 10px 12px;
  border-radius: 10px;
  background: var(--line);
}

.message.good {
  background: var(--good-bg);
  color: var(--good);
}

.message.bad {
  background: var(--bad-bg);
  color: var(--bad);
}

button {
  min-height: 44px;
  padding: 8px 16px;
  border: 0;
  border-radius: 10px;
  background: var(--accent);
  color: #fff;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

button.quiet {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent);
}

label {
  display: grid;
  gap: 4px;
}

input {
  min-height: 44px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--bg);
  color: var(--ink);
  font: inherit;
}

summary {
  min-height: 44px;
  align-content: center;
  cursor: pointer;
  font-weight: 700;
}

ul {
  margin: 0;
  padding-inline-start: 18px;
  display: grid;
  gap: 8px;
}

code {
  overflow-wrap: anywhere;
  font-size: 0.85rem;
}