:root {
  --ink: #1b2b42;
  --muted: #5a6a80;
  --line: #dfe5ee;
  --accent: #27446e;
  --bg: #ffffff;
  --panel: #f5f7fb;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--ink);
  background: var(--bg);
}

header, main, footer {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 16px;
}

header {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  align-items: center;
  justify-content: space-between;
  padding-top: 20px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
}

.logo { font-weight: 800; font-size: 20px; color: var(--accent); text-decoration: none; }
nav { display: flex; flex-wrap: wrap; gap: 4px 16px; }
nav a { color: var(--muted); text-decoration: none; font-size: 15px; }
nav a:hover, nav a[aria-current] { color: var(--accent); }

main { padding-top: 32px; padding-bottom: 48px; }
h1 { font-size: 32px; line-height: 1.2; margin: 0 0 12px; }
h2 { font-size: 21px; margin: 32px 0 8px; }
a { color: var(--accent); }
.lede { font-size: 19px; color: var(--muted); }
.updated { color: var(--muted); font-size: 14px; }

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 16px 20px;
  margin: 16px 0;
}

.sms {
  font-family: ui-monospace, Consolas, monospace;
  font-size: 15px;
  background: var(--panel);
  border-left: 3px solid var(--accent);
  padding: 10px 14px;
  margin: 8px 0;
  overflow-wrap: anywhere;
}

.form {
  border: 2px solid var(--ink);
  border-radius: 6px;
  padding: 20px 24px;
  margin: 20px 0;
}
.form .field { border-bottom: 1px solid var(--ink); padding-top: 28px; margin-bottom: 4px; }
.form .label { font-size: 14px; color: var(--muted); }

footer {
  border-top: 1px solid var(--line);
  padding-top: 20px;
  padding-bottom: 32px;
  font-size: 14px;
  color: var(--muted);
}

@media print {
  header nav, footer, .no-print { display: none; }
  body { font-size: 13px; }
}