:root {
  --bg: #f4f5f7;
  --card: #ffffff;
  --ink: #1c2230;
  --muted: #667085;
  --accent: #1f6feb;
  --error: #b42318;
  --border: #e3e6ea;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--ink);
}
.wrap { max-width: 720px; margin: 0 auto; padding: 24px 20px 64px; }
header {
  display: flex; flex-wrap: wrap; gap: 8px;
  align-items: baseline; justify-content: space-between;
  border-bottom: 1px solid var(--border); padding-bottom: 12px; margin-bottom: 24px;
}
h1 { font-size: 20px; margin: 0; }
h2 { font-size: 18px; }
nav { color: var(--muted); font-size: 14px; }
nav a { color: var(--accent); text-decoration: none; }
.role {
  display: inline-block; font-size: 11px; font-weight: 600;
  background: #eef2ff; color: #3538cd; padding: 1px 6px; border-radius: 10px;
}
.card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 10px; padding: 20px; margin: 16px 0;
}
form.card { display: grid; gap: 14px; max-width: 360px; }
label { display: grid; gap: 4px; font-size: 13px; color: var(--muted); }
input {
  font: inherit; padding: 9px 10px;
  border: 1px solid var(--border); border-radius: 8px; background: #fff;
}
button {
  font: inherit; font-weight: 600; cursor: pointer;
  background: var(--accent); color: #fff;
  border: 0; border-radius: 8px; padding: 10px 16px; justify-self: start;
}
button:hover { filter: brightness(0.95); }
code { background: #eef1f4; padding: 1px 5px; border-radius: 4px; font-size: 13px; }
.hint { color: var(--muted); }
.error { color: var(--error); font-weight: 500; }
.counts { list-style: none; padding: 0; display: flex; gap: 20px; flex-wrap: wrap; }
.counts strong { font-size: 20px; display: block; }
table { border-collapse: collapse; width: 100%; margin-top: 8px; }
th, td { text-align: left; padding: 6px 10px; border-bottom: 1px solid var(--border); }
th { font-size: 12px; color: var(--muted); text-transform: uppercase; }