:root {
  /* Cores primárias — azul escuro vivo */
  --color-primary-900: #0B1F4D;
  --color-primary-700: #142B6B;
  --color-primary-600: #1E3A8A;
  --color-primary-500: #2F5FFF;
  --color-primary-400: #5B7FFF;
  --color-primary-100: #E8EDFF;

  /* Cores de status / gamificação */
  --color-success: #58CC02;
  --color-success-dark: #46A302;
  --color-warning: #FFC800;
  --color-warning-dark: #E0AC00;
  --color-danger: #FF4B4B;
  --color-danger-dark: #E63E3E;
  --color-accent-purple: #CE82FF;

  /* Neutros */
  --color-text: #3C3C3C;
  --color-text-muted: #5F6368;
  --color-text-inverse: #FFFFFF;
  --color-bg: #F7F9FC;
  --color-surface: #FFFFFF;
  --color-border: #E5E7EB;

  /* Raios */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-pill: 999px;

  /* Sombras */
  --shadow-sm: 0 2px 6px rgba(20, 43, 107, 0.08);
  --shadow-md: 0 6px 16px rgba(20, 43, 107, 0.12);
  --shadow-lg: 0 12px 28px rgba(20, 43, 107, 0.16);

  /* Tipografia */
  --font-heading: 'Baloo 2', 'Quicksand', sans-serif;
  --font-body: 'Nunito', system-ui, -apple-system, sans-serif;

  /* Espaçamento */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;

  /* Layout */
  --sidebar-width: 240px;
  --sidebar-width-collapsed: 76px;
  --topbar-height: 64px;
  --bottom-nav-height: 64px;
}