:root {
  --green: #2e7d32;
  --green-light: #4caf50;
  --red: #f44336;
  --bg: #ffffff;
  --fg: #1a1c1a;
  --muted: #5a615a;
  --border: #e2e6e2;
  --card: #f7f9f7;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121412;
    --fg: #e8ebe8;
    --muted: #a0a8a0;
    --border: #2a2e2a;
    --card: #1a1d1a;
    --green: #66bb6a;
    --green-light: #81c784;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  line-height: 1.6;
  color: var(--fg);
  background: var(--bg);
  -webkit-text-size-adjust: 100%;
}

.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 20px;
}

header {
  padding: 56px 0 40px;
  text-align: center;
}

.logo {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--green);
  letter-spacing: -0.01em;
}

h1 {
  font-size: clamp(1.8rem, 5vw, 2.6rem);
  line-height: 1.2;
  margin: 16px 0 12px;
  letter-spacing: -0.02em;
}

.sub {
  font-size: 1.1rem;
  color: var(--muted);
  margin: 0 auto;
  max-width: 34ch;
}

h2 {
  font-size: 1.3rem;
  margin: 40px 0 12px;
  letter-spacing: -0.01em;
}

h3 {
  font-size: 1rem;
  margin: 24px 0 6px;
}

p { margin: 0 0 14px; }

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

.cta {
  display: inline-block;
  margin: 28px 0 8px;
  padding: 16px 28px;
  min-height: 56px;
  background: var(--green);
  color: #fff;
  border-radius: 10px;
  font-weight: 600;
  text-decoration: none;
}

.cta[aria-disabled="true"] {
  background: var(--card);
  color: var(--muted);
  border: 1px solid var(--border);
  cursor: default;
}

.note {
  font-size: 0.85rem;
  color: var(--muted);
}

ol.steps {
  padding-left: 20px;
  margin: 0;
}

ol.steps li { margin-bottom: 10px; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px 18px;
  margin-bottom: 12px;
}

.card h3 { margin-top: 0; }
.card p:last-child { margin-bottom: 0; }

.tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 2px 8px;
  border-radius: 20px;
  vertical-align: middle;
  margin-left: 6px;
}

.tag-soon {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
}

.warn {
  border-left: 3px solid var(--red);
  background: var(--card);
  border-radius: 0 8px 8px 0;
  padding: 14px 18px;
  margin: 24px 0;
}

.warn strong { color: var(--red); }

footer {
  margin-top: 56px;
  padding: 24px 0 40px;
  border-top: 1px solid var(--border);
  font-size: 0.9rem;
  color: var(--muted);
  text-align: center;
}

footer a { margin: 0 8px; }

.back {
  display: inline-block;
  margin: 32px 0 0;
  font-size: 0.9rem;
}

.updated {
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 28px;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 0 0 20px;
  font-size: 0.92rem;
}

th, td {
  text-align: left;
  padding: 10px 8px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

th { font-weight: 600; }