:root {
  --p6-navy: #0f172a;
  --p6-slate: #1e293b;
  --p6-amber: #d97706;
  --p6-orange: #ea580c;
  --p6-blue: #0284c7;
  --p6-bg: #f8fafc;
  --p6-card-border: #e2e8f0;
}

body {
  background-color: var(--p6-bg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: #1e293b;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.p6-navbar {
  background-color: var(--p6-navy) !important;
  border-bottom: 3px solid var(--p6-amber);
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.p6-brand {
  font-weight: 700;
  letter-spacing: 0.5px;
  color: #ffffff !important;
  display: flex;
  align-items: center;
  gap: 10px;
}

.p6-brand-badge {
  background-color: var(--p6-amber);
  color: #ffffff;
  font-size: 0.75rem;
  font-weight: 800;
  padding: 3px 8px;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.nav-link {
  color: #cbd5e1 !important;
  font-weight: 500;
  font-size: 0.95rem;
  transition: all 0.2s ease;
  padding: 0.5rem 0.85rem !important;
  border-radius: 4px;
}

.nav-link:hover, .nav-link.active {
  color: #ffffff !important;
  background-color: rgba(255, 255, 255, 0.1);
}

.nav-link.disabled-phase {
  color: #64748b !important;
  cursor: not-allowed;
}

.p6-card {
  border: 1px solid var(--p6-card-border);
  border-radius: 8px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.05);
  background-color: #ffffff;
  margin-bottom: 1.5rem;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.p6-card-header {
  background-color: #ffffff;
  border-bottom: 1px solid var(--p6-card-border);
  padding: 1rem 1.25rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.kpi-card {
  border-left: 4px solid var(--p6-amber);
}

.kpi-card.kpi-blue { border-left-color: #0284c7; }
.kpi-card.kpi-green { border-left-color: #16a34a; }
.kpi-card.kpi-red { border-left-color: #dc2626; }
.kpi-card.kpi-purple { border-left-color: #9333ea; }

.kpi-value {
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.2;
}

.kpi-label {
  font-size: 0.85rem;
  text-transform: uppercase;
  font-weight: 600;
  color: #64748b;
  letter-spacing: 0.5px;
}

.badge-role {
  padding: 0.35rem 0.65rem;
  border-radius: 4px;
  font-weight: 600;
  font-size: 0.75rem;
  letter-spacing: 0.5px;
}

.role-admin { background-color: #dc2626; color: #fff; }
.role-planner { background-color: #d97706; color: #fff; }
.role-site-engineer { background-color: #0284c7; color: #fff; }
.role-project-manager { background-color: #7c3aed; color: #fff; }
.role-viewer { background-color: #64748b; color: #fff; }

.footer {
  margin-top: auto;
  background-color: var(--p6-slate);
  color: #94a3b8;
  font-size: 0.85rem;
  padding: 1rem 0;
  border-top: 1px solid #334155;
}