:root {
  --bg: #0f1220;
  --panel: #171a2b;
  --card: #1e2338;
  --ink: #e8eaf2;
  --muted: #9aa0b8;
  --accent: #6c8cff;
  --line: #2a2f47;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: system-ui, "Segoe UI", Rubik, Arial, sans-serif;
  background: var(--bg);
  color: var(--ink);
}
.topbar {
  display: flex; align-items: center; gap: 24px;
  padding: 14px 22px; background: var(--panel);
  border-bottom: 1px solid var(--line);
}
.brand { font-weight: 700; font-size: 20px; color: var(--ink); text-decoration: none; }
.brand span { color: var(--accent); }
.topbar nav { display: flex; gap: 16px; }
.topbar nav a { color: var(--muted); text-decoration: none; font-size: 15px; }
.topbar nav a:hover { color: var(--ink); }
.wrap { max-width: 1000px; margin: 0 auto; padding: 32px 22px; }
h1 { margin: 0 0 8px; font-size: 28px; }
.muted { color: var(--muted); }
code { background: #0c0e18; padding: 2px 6px; border-radius: 6px; color: #cdd3ef; }

.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 16px; margin-top: 24px; }
.card {
  display: block; background: var(--card); border: 1px solid var(--line);
  border-radius: 14px; padding: 18px; text-decoration: none; color: var(--ink);
  transition: transform .12s ease, border-color .12s ease;
}
.card:hover { transform: translateY(-2px); border-color: var(--accent); }
.card-title { font-size: 18px; font-weight: 600; }
.card-desc { color: var(--muted); font-size: 14px; margin: 8px 0 12px; }
.card-slug { color: var(--accent); font-family: ui-monospace, monospace; font-size: 12px; }

.kpis { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 16px; margin-top: 24px; }
.kpi { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 22px; text-align: center; }
.kpi-num { font-size: 34px; font-weight: 700; }
.kpi-label { color: var(--muted); margin-top: 6px; }

/* Full-screen clock / signage */
.fullscreen { background: #05060c; }
.clock-wrap { height: 100vh; display: flex; flex-direction: column; align-items: center; justify-content: center; }
.clock { font-size: 16vw; font-weight: 800; letter-spacing: 2px; font-variant-numeric: tabular-nums; }
.clock-date { color: var(--muted); font-size: 3vw; margin-top: 12px; }
.back { position: fixed; top: 18px; inset-inline-start: 18px; color: var(--muted); text-decoration: none; }