:root {
  --bg: #f6f5f1;
  --card: #ffffff;
  --text: #1c1b18;
  --muted: #6b6860;
  --line: #e3e0d8;
  --accent: #2f5d50;
  --accent-text: #ffffff;
  --danger: #a33a2c;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #161614;
    --card: #1f1f1c;
    --text: #ecebe6;
    --muted: #9c998f;
    --line: #33322e;
    --accent: #7fb8a4;
    --accent-text: #10201b;
    --danger: #e08a7d;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  padding: 48px 16px;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.55 system-ui, -apple-system, 'Segoe UI', sans-serif;
}

main { max-width: 520px; margin: 0 auto; }

h1 { font-size: 1.5rem; margin: 0 0 4px; letter-spacing: -0.01em; }
h2 { font-size: 1rem; margin: 0 0 12px; }
p { margin: 0 0 12px; }
.muted { color: var(--muted); }
.small { font-size: 0.875rem; }
.error { color: var(--danger); }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 20px;
  margin-top: 16px;
}

button, input, select {
  font: inherit;
  border-radius: 8px;
  border: 1px solid var(--line);
  padding: 10px 14px;
}

input, select {
  width: 100%;
  background: var(--bg);
  color: var(--text);
}

button {
  cursor: pointer;
  background: var(--accent);
  color: var(--accent-text);
  border-color: transparent;
  font-weight: 600;
}

button.secondary {
  background: transparent;
  color: var(--text);
  border-color: var(--line);
  font-weight: 400;
}

button:disabled { opacity: 0.6; cursor: default; }

.row { display: flex; gap: 8px; }
.row > input, .row > select { flex: 1; min-width: 0; }

ul.plain { list-style: none; margin: 0; padding: 0; }
ul.plain li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 8px 0;
  border-top: 1px solid var(--line);
}
ul.plain li:first-child { border-top: 0; }
ul.plain li span { overflow-wrap: anywhere; }

code {
  font: 0.85rem ui-monospace, Consolas, monospace;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 2px 6px;
  overflow-wrap: anywhere;
}

ul.plain.stack > li { display: block; }
.line { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.sub { margin: 6px 0 0 16px; }
.actions { display: flex; gap: 6px; flex-shrink: 0; }
.block { display: block; }
.check { display: flex; align-items: center; gap: 8px; color: var(--muted); }
.check input { width: auto; }
.body {
  margin-top: 8px;
  padding: 12px 14px;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 8px;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  font-size: 0.9375rem;
}

.lead { font-size: 1.25rem; line-height: 1.35; letter-spacing: -0.01em; font-weight: 600; }
ol.steps, ul.points { margin: 0; padding-left: 20px; }
ol.steps li, ul.points li { margin-bottom: 8px; }
footer { margin-top: 24px; }
footer a { color: inherit; }

main.wide { max-width: 960px; }

.tiles {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: 8px;
  margin-top: 16px;
}
.tile {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px 14px;
}
.tile-value { font-size: 1.5rem; font-weight: 600; letter-spacing: -0.01em; }

.scroll { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 0.875rem; }
th, td { text-align: left; padding: 6px 12px 6px 0; border-top: 1px solid var(--line); white-space: nowrap; }
th { border-top: 0; color: var(--muted); font-weight: 400; }
button.small { padding: 4px 10px; }

a { color: var(--accent); }

.header { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; }