* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: Arial, sans-serif;
    color: #1f2933;
    background: #f6f7f9;
    line-height: 1.5;
}
a { color: #1d4ed8; text-decoration: none; }
a:hover { text-decoration: underline; }
.container { max-width: 1120px; margin: 0 auto; padding: 0 20px; }
.topbar { background: #ffffff; border-bottom: 1px solid #d9dee7; }
.topbar__inner { display: flex; align-items: center; justify-content: space-between; min-height: 58px; }
.brand { font-weight: 700; color: #111827; }
.topnav a { margin-left: 18px; color: #374151; }
.page { padding-top: 32px; padding-bottom: 48px; }
.hero, .card { background: #ffffff; border: 1px solid #d9dee7; border-radius: 14px; padding: 28px; box-shadow: 0 8px 24px rgba(15, 23, 42, 0.04); }
.hero h1, .card h1 { margin-top: 0; }
.muted { color: #6b7280; }
.button { display: inline-block; padding: 10px 16px; border-radius: 10px; background: #111827; color: #ffffff; }
.button:hover { text-decoration: none; background: #374151; }
.health-table { width: 100%; border-collapse: collapse; margin-top: 20px; }
.health-table th, .health-table td { border-bottom: 1px solid #e5e7eb; padding: 11px 10px; text-align: left; vertical-align: top; }
.health-table th { color: #4b5563; font-weight: 700; }
.badge { display: inline-block; padding: 3px 8px; border-radius: 999px; font-size: 12px; font-weight: 700; }
.badge_ok { background: #dcfce7; color: #166534; }
.badge_fail { background: #fee2e2; color: #991b1b; }
.flash-list { margin-bottom: 18px; }
.flash { padding: 10px 14px; border-radius: 10px; margin-bottom: 8px; background: #eef2ff; }
.card_error { border-color: #fecaca; }