:root {
  --ink: #1b1f23;
  --muted: #5c6570;
  --accent: #1e6f5c;
  --bg: #fafaf7;
  --card: #ffffff;
  --border: #e4e2db;
  --danger: #b3261e;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--ink);
}
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 5vw;
  border-bottom: 1px solid var(--border);
  background: var(--card);
}
.topbar .brand { font-weight: 700; }
.topbar nav a { margin-left: 18px; text-decoration: none; color: var(--ink); font-size: 0.92rem; }
.topbar .role-badge {
  background: #eef3f1; color: var(--accent); border-radius: 20px;
  padding: 3px 10px; font-size: 0.78rem; margin-left: 12px;
}
main { padding: 32px 5vw; max-width: 1000px; margin: 0 auto; }
.auth-wrap { max-width: 380px; margin: 80px auto; }
.card {
  background: var(--card); border: 1px solid var(--border); border-radius: 10px; padding: 24px;
}
label { display: block; font-size: 0.85rem; margin: 12px 0 4px; color: var(--muted); }
input, select {
  width: 100%; padding: 9px 10px; border: 1px solid var(--border); border-radius: 6px; font-size: 0.95rem;
}
.password-field { position: relative; }
.password-field input { padding-right: 60px; }
.password-field .toggle-visibility {
  position: absolute; right: 6px; top: 50%; transform: translateY(-50%);
  background: none; border: none; color: var(--accent); font-size: 0.8rem;
  font-weight: 600; padding: 4px 8px; margin: 0; cursor: pointer;
}
.password-field .toggle-visibility:hover { text-decoration: underline; }
button, .btn {
  display: inline-block; background: var(--accent); color: #fff; border: none; padding: 10px 18px;
  border-radius: 6px; font-weight: 600; cursor: pointer; text-decoration: none; margin-top: 16px; font-size: 0.92rem;
}
.btn.secondary { background: #6b6f76; }
.error { color: var(--danger); font-size: 0.88rem; margin-top: 8px; }
table { width: 100%; border-collapse: collapse; margin-top: 16px; }
th, td { text-align: left; padding: 10px; border-bottom: 1px solid var(--border); font-size: 0.9rem; }
th { color: var(--muted); font-weight: 600; }
.stats { display: flex; gap: 16px; margin-bottom: 24px; }
.stat { background: var(--card); border: 1px solid var(--border); border-radius: 10px; padding: 18px; flex: 1; }
.stat .num { font-size: 1.6rem; font-weight: 700; }
.stat .label { color: var(--muted); font-size: 0.85rem; }
.item-row { display: grid; grid-template-columns: 3fr 1fr 1fr; gap: 10px; margin-top: 8px; }
.credentials-box { background: #fff8e1; border: 1px solid #e6c200; border-radius: 8px; padding: 14px; margin-bottom: 16px; font-family: monospace; font-size: 0.9rem; }