/* ==========================================================
   Volantes - CSS Variables (Design Tokens)
   Paleta: Verde Esmeralda + Fundo Azul-Cinza Suave
   ========================================================== */

:root {
  /* ========== Colors - Light Theme ========== */

  /* Background colors - Azul-cinza suave */
  --color-bg-primary: #F0F5F9;
  /* Fundo principal */
  --color-bg-secondary: #E8EEF4;
  /* Seções alternadas */
  --color-bg-tertiary: #DFE7EF;
  /* Áreas de destaque */
  --color-bg-elevated: #FFFFFF;
  /* Cards e modais */

  /* Surface colors */
  --color-surface: rgba(255, 255, 255, 0.95);
  --color-surface-hover: rgba(16, 185, 129, 0.05);
  --color-surface-active: rgba(16, 185, 129, 0.1);

  /* Primary - Verde Esmeralda (Botões e Links) */
  --color-primary: #10B981;
  --color-primary-light: #34D399;
  --color-primary-dark: #059669;
  --gradient-primary: linear-gradient(135deg, #10B981 0%, #34D399 100%);
  --gradient-primary-hover: linear-gradient(135deg, #34D399 0%, #6EE7B7 100%);

  /* Secondary - Verde Claro */
  --color-secondary: #34D399;
  --color-secondary-light: #6EE7B7;
  --color-secondary-dark: #10B981;
  --color-secondary-bg: rgba(16, 185, 129, 0.1);
  --gradient-secondary: linear-gradient(135deg, #34D399 0%, #6EE7B7 100%);

  /* Accent */
  --color-accent: #10B981;
  --color-accent-light: #34D399;
  --color-accent-dark: #059669;
  --gradient-accent: linear-gradient(135deg, #10B981 0%, #34D399 100%);

  /* Dark - Cinza Escuro (Textos) */
  --color-dark: #1F2937;
  --color-dark-light: #374151;
  --color-dark-lighter: #4B5563;

  /* Text colors */
  --color-text-primary: #1F2937;
  --color-text-secondary: #4B5563;
  --color-text-tertiary: #6B7280;
  --color-text-disabled: #9CA3AF;

  /* Status colors */
  --color-success: #10B981;
  --color-success-bg: rgba(16, 185, 129, 0.1);
  --color-warning: #F59E0B;
  --color-warning-bg: rgba(245, 158, 11, 0.1);
  --color-error: #EF4444;
  --color-error-bg: rgba(239, 68, 68, 0.1);
  --color-info: #3B82F6;
  --color-info-bg: rgba(59, 130, 246, 0.1);

  /* Border colors */
  --color-border: #D1D5DB;
  --color-border-hover: #9CA3AF;
  --color-border-focus: var(--color-primary);

  /* ========== Typography ========== */

  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-family-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Font sizes */
  --text-xs: 0.75rem;
  /* 12px */
  --text-sm: 0.875rem;
  /* 14px */
  --text-base: 1rem;
  /* 16px */
  --text-lg: 1.125rem;
  /* 18px */
  --text-xl: 1.25rem;
  /* 20px */
  --text-2xl: 1.5rem;
  /* 24px */
  --text-3xl: 1.875rem;
  /* 30px */
  --text-4xl: 2.25rem;
  /* 36px */
  --text-5xl: 3rem;
  /* 48px */
  --text-6xl: 3.75rem;
  /* 60px */

  /* Font weights */
  --font-light: 300;
  --font-regular: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;

  /* Line heights */
  --leading-tight: 1.25;
  --leading-normal: 1.5;
  --leading-relaxed: 1.75;

  /* ========== Spacing ========== */

  --space-1: 0.25rem;
  /* 4px */
  --space-2: 0.5rem;
  /* 8px */
  --space-3: 0.75rem;
  /* 12px */
  --space-4: 1rem;
  /* 16px */
  --space-5: 1.25rem;
  /* 20px */
  --space-6: 1.5rem;
  /* 24px */
  --space-8: 2rem;
  /* 32px */
  --space-10: 2.5rem;
  /* 40px */
  --space-12: 3rem;
  /* 48px */
  --space-16: 4rem;
  /* 64px */
  --space-20: 5rem;
  /* 80px */
  --space-24: 6rem;
  /* 96px */

  /* ========== Border Radius ========== */

  --radius-sm: 0.375rem;
  /* 6px */
  --radius-md: 0.5rem;
  /* 8px */
  --radius-lg: 0.75rem;
  /* 12px */
  --radius-xl: 1rem;
  /* 16px */
  --radius-2xl: 1.5rem;
  /* 24px */
  --radius-full: 9999px;

  /* ========== Shadows ========== */

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
  --shadow-glow: 0 0 20px rgba(16, 185, 129, 0.2);
  --shadow-glow-lg: 0 0 40px rgba(16, 185, 129, 0.3);
  --shadow-glow-accent: 0 4px 15px rgba(16, 185, 129, 0.25);

  /* ========== Transitions ========== */

  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow: 350ms ease;
  --transition-bounce: 500ms cubic-bezier(0.68, -0.55, 0.265, 1.55);

  /* ========== Z-Index Scale ========== */

  --z-dropdown: 100;
  --z-sticky: 200;
  --z-fixed: 300;
  --z-modal-backdrop: 400;
  --z-modal: 500;
  --z-toast: 600;
  --z-tooltip: 700;

  /* ========== Container Widths ========== */

  --container-sm: 640px;
  --container-md: 768px;
  --container-lg: 1024px;
  --container-xl: 1280px;
  --container-2xl: 1536px;
}

/* ========== Scrollbar ========== */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--color-bg-secondary);
}

::-webkit-scrollbar-thumb {
  background: #9CA3AF;
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-primary);
}