:root {
  --bg: #f6f5f3;
  --surface: #ffffff;
  --text: #26241f;
  --muted: #6b6860;
  --border: #e4e1da;
  --accent: #3d5a4c;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.55;
}

.wrap {
  max-width: 780px;
  margin: 0 auto;
  padding: 0 20px;
}

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

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
}

.brand {
  font-weight: 600;
  font-size: 18px;
  letter-spacing: 0.01em;
  color: var(--text);
  text-decoration: none;
}

nav a {
  color: var(--muted);
  text-decoration: none;
  margin-left: 22px;
  font-size: 14px;
}

nav a:hover { color: var(--text); }

main {
  padding: 48px 0 64px;
}

h1 {
  font-size: 28px;
  margin: 0 0 14px;
}

h2 {
  font-size: 19px;
  margin: 32px 0 10px;
}

p {
  color: var(--muted);
  margin: 0 0 14px;
  font-size: 15px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 22px 24px;
  margin: 20px 0;
}

.card h3 {
  margin: 0 0 6px;
  font-size: 15px;
}

.card p {
  margin: 0;
  font-size: 14px;
}

.grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

@media (max-width: 560px) {
  .grid { grid-template-columns: 1fr; }
}

footer {
  border-top: 1px solid var(--border);
  padding: 22px 0;
}

footer p {
  font-size: 13px;
  margin: 0;
}

.status {
  display: inline-block;
  font-size: 12px;
  color: var(--accent);
  background: #e8efe9;
  border-radius: 20px;
  padding: 3px 11px;
  margin-bottom: 16px;
}

.err {
  padding: 90px 0;
  text-align: center;
}

.err h1 { font-size: 72px; margin: 0; color: var(--border); }
.err p { margin-top: 8px; }