:root {
  --bg: #0f1720;
  --card: #17222e;
  --card-muted: #141b23;
  --ink: #e2eaf4;
  --ink-dim: #8ba0b6;
  --accent: #3d9cf0;
  --border: rgba(255, 255, 255, 0.08);
  --ok: #2ecc71;
  --bad: #e74c3c;
}

* { box-sizing: border-box; }

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

.topbar {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  padding: 1.25rem 1.75rem;
  border-bottom: 1px solid var(--border);
}
.topbar h1 { margin: 0; font-size: 1.4rem; letter-spacing: .02em; }
.status { font-size: .8rem; color: var(--ink-dim); }
.status.ok { color: var(--ok); }
.status.bad { color: var(--bad); }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1rem;
  padding: 1.75rem;
  max-width: 1100px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.25rem;
}
.card.muted { background: var(--card-muted); }
.card h2 { margin: 0 0 .6rem; font-size: 1.05rem; }
.card p { margin: 0 0 1rem; color: var(--ink-dim); font-size: .9rem; }

.links { list-style: none; margin: 0; padding: 0; }
.links li { margin: .35rem 0; }
.links a { color: var(--accent); text-decoration: none; }
.links a:hover { text-decoration: underline; }
.links .dim { color: var(--ink-dim); font-size: .82rem; }

.btn {
  display: inline-block;
  padding: .4rem .9rem;
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  font-size: .85rem;
}
.btn.disabled { background: #33404d; color: var(--ink-dim); cursor: default; }

/* Top-bar navigation links (right-aligned utilities like Admin) */
.topbar .spacer { flex: 1; }
.navlink {
  font-size: .85rem;
  color: var(--ink-dim);
  text-decoration: none;
  padding: .3rem .7rem;
  border: 1px solid var(--border);
  border-radius: 8px;
}
.navlink:hover { color: var(--ink); border-color: var(--accent); }
.backlink { font-size: .85rem; color: var(--accent); text-decoration: none; }
.backlink:hover { text-decoration: underline; }

/* Page wrapper for splash/area pages */
.page { padding: 1.75rem; max-width: 1100px; }
.page > .lead { color: var(--ink-dim); margin: .25rem 0 1.5rem; }

/* Stat tiles */
.stats { display: flex; flex-wrap: wrap; gap: 1rem; margin-bottom: 1.75rem; }
.stat {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1rem 1.25rem;
  min-width: 140px;
}
.stat .value { font-size: 1.6rem; font-weight: 700; }
.stat .value.pos { color: var(--ok); }
.stat .value.neg { color: var(--bad); }
.stat .label { font-size: .72rem; text-transform: uppercase; letter-spacing: .08em; color: var(--ink-dim); }

/* Simple data table */
table.data { width: 100%; border-collapse: collapse; font-size: .9rem; }
table.data th, table.data td { text-align: left; padding: .5rem .6rem; border-bottom: 1px solid var(--border); }
table.data th { color: var(--ink-dim); font-weight: 600; font-size: .78rem; text-transform: uppercase; letter-spacing: .04em; }
table.data td.num { text-align: right; font-variant-numeric: tabular-nums; }
td.pos { color: var(--ok); }
td.neg { color: var(--bad); }

.empty { color: var(--ink-dim); padding: 1.5rem 0; }