:root {
    --bg: #f5f7fb;
    --card: #ffffff;
    --text: #172033;
    --muted: #667085;
    --border: #e5e7eb;
    --ok: #15803d;
    --warning: #d97706;
    --critical: #dc2626;
    --error: #991b1b;
    --baseline: #475569;
    --info: #2563eb;
}

* { box-sizing: border-box; }
body { margin: 0; font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; background: var(--bg); color: var(--text); }
a { color: #2563eb; text-decoration: none; }
.topbar { position: sticky; top: 0; z-index: 10; display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding: 1rem 2rem; background: rgba(255,255,255,.92); border-bottom: 1px solid var(--border); backdrop-filter: blur(10px); }
.brand { font-weight: 800; letter-spacing: .08em; color: var(--text); }
nav { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; }
.container { width: min(1180px, calc(100% - 2rem)); margin: 1.5rem auto; display: grid; gap: 1.5rem; }
.hero, .card, .kpi, .login-card { background: var(--card); border: 1px solid var(--border); border-radius: 22px; box-shadow: 0 12px 35px rgba(15, 23, 42, .06); }
.hero { display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding: 2rem; border-left: 7px solid var(--baseline); }
.hero.compact { padding: 1.5rem 2rem; }
.hero h1 { margin: .25rem 0; font-size: clamp(1.8rem, 4vw, 3rem); }
.eyebrow { margin: 0; color: var(--muted); text-transform: uppercase; font-size: .78rem; letter-spacing: .12em; font-weight: 700; }
.muted { color: var(--muted); }
.kpi-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 1rem; }
.kpi { padding: 1.2rem; }
.kpi span, .meta-list dt { color: var(--muted); font-size: .85rem; }
.kpi strong { display: block; margin-top: .35rem; font-size: 1.8rem; }
.club-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1rem; }
.card { padding: 1.25rem; }
.club-card { border-left: 5px solid var(--baseline); }
.card-header, .section-title { display: flex; justify-content: space-between; align-items: flex-start; gap: 1rem; }
.card h3, .section-title h2, .section-title h1 { margin-top: 0; }
.schema { margin: .15rem 0 0; color: var(--muted); font-size: .85rem; }
.meta-list { display: grid; gap: .6rem; margin: 1rem 0; }
.meta-list div { display: flex; justify-content: space-between; gap: 1rem; }
.meta-list dd { margin: 0; font-weight: 700; }
.badge, .pill { display: inline-flex; align-items: center; gap: .25rem; padding: .25rem .55rem; border-radius: 999px; font-size: .75rem; font-weight: 800; background: #eef2f7; color: var(--baseline); white-space: nowrap; }
.badge-ok, .status-ok { border-color: var(--ok); }
.badge-ok { background: #dcfce7; color: var(--ok); }
.badge-warning, .status-warning { border-color: var(--warning); }
.badge-warning { background: #fef3c7; color: var(--warning); }
.badge-critical, .status-critical { border-color: var(--critical); }
.badge-critical { background: #fee2e2; color: var(--critical); }
.badge-error, .status-error { border-color: var(--error); }
.badge-error { background: #fecaca; color: var(--error); }
.badge-baseline, .badge-info, .status-baseline, .status-stale { border-color: var(--info); }
.badge-baseline, .badge-info { background: #dbeafe; color: var(--info); }
.primary-button, .secondary-button, .small-button { border: 0; border-radius: 12px; font-weight: 800; cursor: pointer; display: inline-flex; justify-content: center; align-items: center; }
.primary-button { padding: .85rem 1rem; background: #111827; color: white; }
.secondary-button { padding: .65rem .85rem; background: #eef2ff; color: #3730a3; }
.small-button { padding: .45rem .65rem; background: #111827; color: white; }
.link-button { border: 0; background: transparent; color: #2563eb; cursor: pointer; font: inherit; padding: 0; }
.inline-form { display: inline; }
.table-wrapper { width: 100%; overflow-x: auto; }
table { width: 100%; border-collapse: collapse; min-width: 760px; }
th, td { padding: .8rem; border-bottom: 1px solid var(--border); text-align: left; vertical-align: middle; }
th { color: var(--muted); font-size: .8rem; text-transform: uppercase; letter-spacing: .05em; }
.recent-alerts { display: grid; gap: .65rem; }
.recent-alert { display: grid; grid-template-columns: 1.2fr 1fr 1fr 1fr auto auto; gap: .75rem; align-items: center; padding: .8rem; border: 1px solid var(--border); border-radius: 14px; }
.empty-state { padding: 1rem; color: var(--muted); background: #f8fafc; border-radius: 14px; }
.filters { display: flex; gap: .75rem; flex-wrap: wrap; margin-bottom: 1rem; }
.filters select, .login-form input { border: 1px solid var(--border); border-radius: 12px; padding: .75rem; background: white; }
.login-body { min-height: 100vh; display: grid; place-items: center; padding: 1rem; }
.login-card { width: min(420px, 100%); padding: 2rem; }
.login-form { display: grid; gap: .75rem; margin-top: 1rem; }
.full-width { width: 100%; }
.alert-box { padding: .85rem 1rem; border-radius: 14px; border: 1px solid var(--border); }
.alert-box.success { background: #dcfce7; color: var(--ok); }
.alert-box.danger { background: #fee2e2; color: var(--critical); }
.back-link { font-weight: 700; }
footer { text-align: center; color: var(--muted); padding: 2rem; }

@media (max-width: 760px) {
    .topbar, .hero { flex-direction: column; align-items: stretch; }
    .kpi-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .recent-alert { grid-template-columns: 1fr; }
    nav { justify-content: flex-start; }
}