:root {
  --bg-dark: #0f172a;
  --panel-bg: #1e293b;
  --panel-border: #334155;
  --accent-blue: #3b82f6;
  --accent-purple: #8b5cf6;
  --accent-green: #10b981;
  --accent-orange: #f97316;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-dark);
  color: var(--text-main);
  padding: 20px;
}

.container { max-width: 1200px; margin: 0 auto; }

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--panel-border);
  margin-bottom: 25px;
}

.brand { display: flex; align-items: center; gap: 12px; }

.brand-icon {
  width: 44px; height: 44px;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 22px;
}

.kpi-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 15px; margin-bottom: 25px; }

.kpi-card {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  padding: 18px;
}

.kpi-label { font-size: 12px; color: var(--text-muted); font-weight: 600; }
.kpi-value { font-size: 26px; font-weight: 800; margin-top: 6px; color: #fff; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }

.card {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 20px;
}

.card-title { font-size: 16px; font-weight: 700; margin-bottom: 15px; display: flex; justify-content: space-between; align-items: center; }

table { width: 100%; border-collapse: collapse; margin-top: 10px; }
th, td { padding: 10px; text-align: left; border-bottom: 1px solid var(--panel-border); font-size: 13px; }
th { color: var(--text-muted); background: rgba(0,0,0,0.2); }

.btn {
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
  color: #fff; border: none; padding: 8px 16px; border-radius: 8px; font-weight: 600; cursor: pointer;
}

.section-header {
  font-size: 18px;
  font-weight: 700;
  margin: 25px 0 15px 0;
  display: flex;
  align-items: center;
  gap: 8px;
  color: #f8fafc;
}

.progress-bar-bg {
  width: 100%;
  height: 8px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 4px;
  overflow: hidden;
  margin-top: 6px;
}

.progress-bar-fill {
  height: 100%;
  border-radius: 4px;
  transition: width 0.4s ease;
}

.badge {
  padding: 3px 8px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 700;
  display: inline-block;
}

.badge-critical { background: rgba(239, 68, 68, 0.2); color: #ef4444; border: 1px solid rgba(239, 68, 68, 0.4); }
.badge-high { background: rgba(249, 115, 22, 0.2); color: #f97316; border: 1px solid rgba(249, 115, 22, 0.4); }
.badge-medium { background: rgba(234, 179, 8, 0.2); color: #eab308; border: 1px solid rgba(234, 179, 8, 0.4); }
.badge-active { background: rgba(16, 185, 129, 0.2); color: #10b981; border: 1px solid rgba(16, 185, 129, 0.4); }

.ranking-card {
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(139, 92, 246, 0.1));
  border: 1px solid rgba(139, 92, 246, 0.3);
  border-radius: 12px;
  padding: 16px;
  display: flex;
  align-items: center;
  gap: 15px;
}

.ranking-trophy {
  font-size: 32px;
}

.ranking-details h4 {
  font-size: 16px;
  color: #fff;
}

.ranking-details p {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 2px;
}

.nav-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 25px;
  background: var(--panel-bg);
  padding: 6px;
  border-radius: 12px;
  border: 1px solid var(--panel-border);
}

.nav-link {
  padding: 10px 18px;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 13px;
  font-weight: 600;
  border-radius: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all 0.2s ease;
}

.nav-link:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.05);
}

.nav-link.active {
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
  color: #fff;
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}