/* ============================================================
   EIGIS System - Master Stylesheet
   Modern white-background analytics dashboard
   ============================================================ */
:root {
  --eigis-teal: #0F6E56;
  --eigis-teal-light: #E1F5EE;
  --eigis-teal-mid: #1D9E75;
  --eigis-amber: #BA7517;
  --eigis-amber-light: #FAEEDA;
  --eigis-red: #DC2626;
  --eigis-red-light: #FEF2F2;
  --eigis-blue: #185FA5;
  --eigis-blue-light: #E6F1FB;
  --eigis-purple: #3C3489;
  --eigis-purple-light: #EEEDFE;
  --eigis-green: #22C55E;
  --eigis-orange: #F97316;
  --eigis-sidebar-bg: #085041;
  --eigis-sidebar-hover: rgba(255,255,255,0.07);
  --eigis-sidebar-active: rgba(29,158,117,0.25);
  --eigis-sidebar-text: rgba(255,255,255,0.7);
  --eigis-sidebar-active-text: #9FE1CB;
  --eigis-border: #E5E7EB;
  --eigis-border-light: #F3F4F6;
  --eigis-bg-primary: #FFFFFF;
  --eigis-bg-secondary: #F9FAFB;
  --eigis-bg-tertiary: #F3F4F6;
  --eigis-text-primary: #111827;
  --eigis-text-secondary: #6B7280;
  --eigis-text-muted: #9CA3AF;
  --eigis-shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --eigis-shadow-md: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -1px rgba(0,0,0,0.04);
  --eigis-shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -2px rgba(0,0,0,0.03);
  --eigis-radius-sm: 6px;
  --eigis-radius-md: 10px;
  --eigis-radius-lg: 14px;
  --eigis-radius-xl: 18px;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

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

body {
  font-family: var(--font-sans);
  background: var(--eigis-bg-secondary);
  color: var(--eigis-text-primary);
  -webkit-font-smoothing: antialiased;
}

/* === SHELL LAYOUT === */
.shell {
  display: grid;
  grid-template-columns: 220px 1fr;
  min-height: 100vh;
  background: var(--eigis-bg-primary);
}

/* === SIDEBAR === */
.sidebar {
  background: var(--eigis-sidebar-bg);
  display: flex;
  flex-direction: column;
  padding: 0;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}

.sidebar-header {
  padding: 18px 18px 14px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.sidebar-logo {
  color: #9FE1CB;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;