:root {
  --bg: #0b1020;
  --panel: rgba(255,255,255,0.06);
  --panel2: rgba(255,255,255,0.08);
  --text: rgba(255,255,255,0.92);
  --muted: rgba(255,255,255,0.65);
  --border: rgba(255,255,255,0.12);
  --brand: #7c3aed; /* purple */
}

html, body { height: 100%; }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial;
  color: var(--text);
  background:
    radial-gradient(900px 500px at 20% 0%, rgba(124,58,237,0.22), transparent 55%),
    radial-gradient(900px 500px at 80% 10%, rgba(59,130,246,0.18), transparent 55%),
    var(--bg);
}

a { color: inherit; text-decoration: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 24px; }
.shell { display: grid; grid-template-columns: 260px 1fr; gap: 18px; }
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: 0 8px 30px rgba(0,0,0,0.25);
}
.card-h { padding: 18px 18px 0; }
.card-b { padding: 18px; }
.sidebar { padding: 18px; position: sticky; top: 18px; height: calc(100vh - 36px); }
.brand { font-weight: 800; letter-spacing: 0.2px; }
.brand span { color: var(--brand); }
.nav a {
  display: block; padding: 10px 12px; margin: 6px 0;
  border-radius: 12px; color: var(--muted);
}
.nav a.active, .nav a:hover { background: var(--panel2); color: var(--text); }
.h1 { font-size: 28px; font-weight: 800; margin: 0; }
.sub { color: var(--muted); margin-top: 6px; }
.grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.kpi { padding: 14px; border-radius: 16px; border: 1px solid var(--border); background: rgba(255,255,255,0.04); }
.kpi .label { color: var(--muted); font-size: 12px; }
.kpi .value { font-size: 20px; font-weight: 800; margin-top: 6px; }
.table { width: 100%; border-collapse: collapse; }
.table th, .table td { padding: 10px 10px; border-bottom: 1px solid var(--border); text-align: left; }
.table th { color: var(--muted); font-weight: 700; font-size: 12px; }
.badge { display:inline-flex; padding: 4px 10px; border-radius: 999px; font-size: 12px; border: 1px solid var(--border); background: rgba(255,255,255,0.04); }
.btn {
  display:inline-flex; align-items:center; justify-content:center;
  padding: 10px 12px; border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.06);
  color: var(--text); font-weight: 700;
}
.btn.primary { background: rgba(124,58,237,0.20); border-color: rgba(124,58,237,0.45); }
.input, select {
  width: 100%;
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(0,0,0,0.22);
  color: var(--text);
  outline: none;
}
.row { display:grid; grid-template-columns: 1fr 1fr; gap: 12px; }
small.err { color: #fca5a5; }
.topbar { display:flex; align-items:center; justify-content:space-between; gap: 10px; }