:root {
  --primary: #0080ff;
  --primary-dark: #0066cc;
  --dark-bg: #0a1628;
  --card-bg: rgba(255,255,255,0.05);
}
body { padding-top: 76px; min-height: 100vh; background: #f8f9fa; }
.navbar { background: linear-gradient(135deg, #0a1628 0%, #1a3a5c 100%) !important; box-shadow: 0 2px 15px rgba(0,0,0,0.2); }
.navbar a { color: rgba(255,255,255,0.9) !important; }
.navbar a:hover { color: #0080ff !important; }
.hero {
  background: linear-gradient(135deg, #0a1628 0%, #1a3a5c 50%, #0d2137 100%);
  color: #fff;
  padding: 5rem 0;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%230080ff' fill-opacity='0.08'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  opacity: 0.5;
}
.hero h1 { font-weight: 700; text-shadow: 0 2px 10px rgba(0,0,0,0.3); }
.hero .lead { color: rgba(255,255,255,0.9); }
.btn-primary { background: var(--primary); border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); }
.card { border: none; border-radius: 12px; box-shadow: 0 4px 20px rgba(0,0,0,0.08); transition: transform 0.2s; }
.card:hover { transform: translateY(-4px); }
.icon-box { width: 64px; height: 64px; border-radius: 12px; display: flex; align-items: center; justify-content: center; font-size: 1.75rem; }
.badge-status { font-size: 0.75rem; }
.sidebar { min-height: calc(100vh - 56px); background: linear-gradient(180deg, #0a1628 0%, #1a3a5c 100%); }
.sidebar .nav-link { color: rgba(255,255,255,0.85); }
.sidebar .nav-link:hover, .sidebar .nav-link.active { color: #fff; background: rgba(0,128,255,0.3); }
.dashboard-card { border-radius: 12px; border: none; }
.stat-value { font-size: 1.75rem; font-weight: 700; }