* { box-sizing: border-box; }
body {
  font-family: system-ui, -apple-system, sans-serif;
  margin: 0;
  background: #f5f7fb;
  color: #1a1a1a;
  line-height: 1.5;
}
.site-header, .site-footer {
  background: #1e4d8c;
  color: #fff;
  padding: 1rem;
}
.site-header h1 { margin: 0; font-size: 1.25rem; }
.site-footer a { color: #fff; margin-right: 1rem; }
.container { max-width: 720px; margin: 0 auto; padding: 1rem; }
.card {
  background: #fff;
  border-radius: 12px;
  padding: 1rem 1.25rem;
  margin-bottom: 1rem;
  box-shadow: 0 1px 4px rgba(0,0,0,.08);
}
.btn {
  display: inline-block;
  padding: .75rem 1.25rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
}
.btn-primary { background: #1e4d8c; color: #fff; }
.download-block { margin-bottom: 1.25rem; }
.muted { color: #666; }
.small { font-size: .875rem; color: #555; }
.table { width: 100%; border-collapse: collapse; font-size: .9rem; }
.table th, .table td { border-bottom: 1px solid #eee; padding: .5rem; text-align: left; }
form label { display: block; margin: .5rem 0; }
form input[type="text"], form input[type="number"], form input[type="file"] {
  width: 100%; max-width: 420px; margin-top: .25rem;
}
button { margin-top: .75rem; padding: .5rem 1rem; }
.notice { color: #0a7; }
.error { color: #c00; }
.docs-body pre, .docs-body code { background: #f0f0f0; padding: .1rem .3rem; border-radius: 4px; }