/* ==========================================================================
   NOVA GESTÕES - Design Tokens 2026
   Sistema de variáveis CSS para consistência visual
   ========================================================================== */

:root {
  /* === CORES === */
  /* Primárias */
  --color-primary: #412c70;
  --color-primary-light: #5a3f99;
  --color-primary-dark: #2e1f50;
  --color-primary-50: #f3f0fa;
  --color-primary-100: #e4ddf3;
  --color-primary-200: #c9bbe7;
  --color-primary-500: #412c70;
  --color-primary-600: #352460;
  --color-primary-900: #1a1038;

  /* Secundárias (Dourado/Accent) */
  --color-accent: #f7b22c;
  --color-accent-light: #ffc85c;
  --color-accent-dark: #d4940f;
  --color-accent-50: #fff8e6;
  --color-accent-100: #ffefc0;

  /* Neutras */
  --color-white: #ffffff;
  --color-gray-50: #f8fafc;
  --color-gray-100: #f1f5f9;
  --color-gray-200: #e2e8f0;
  --color-gray-300: #cbd5e1;
  --color-gray-400: #94a3b8;
  --color-gray-500: #64748b;
  --color-gray-600: #475569;
  --color-gray-700: #334155;
  --color-gray-800: #1e293b;
  --color-gray-900: #0f172a;
  --color-black: #020617;

  /* Semânticas */
  --color-success: #10b981;
  --color-success-light: #d1fae5;
  --color-warning: #f59e0b;
  --color-warning-light: #fef3c7;
  --color-error: #ef4444;
  --color-error-light: #fee2e2;
  --color-info: #3b82f6;
  --color-info-light: #dbeafe;

  /* Superfícies */
  --surface-primary: var(--color-white);
  --surface-secondary: var(--color-gray-50);
  --surface-dark: var(--color-gray-900);
  --surface-elevated: var(--color-white);
  --surface-overlay: rgba(15, 23, 42, 0.6);

  /* Texto */
  --text-primary: var(--color-gray-900);
  --text-secondary: var(--color-gray-600);
  --text-muted: var(--color-gray-400);
  --text-inverse: var(--color-white);
  --text-accent: var(--color-primary);
  --text-link: var(--color-primary);
  --text-link-hover: var(--color-primary-dark);

  /* Bordas */
  --border-color: var(--color-gray-200);
  --border-color-strong: var(--color-gray-300);
  --border-color-subtle: var(--color-gray-100);

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

  /* Escala tipográfica (ratio 1.25 - Major Third) */
  --text-xs: clamp(0.7rem, 0.68rem + 0.1vw, 0.75rem);
  --text-sm: clamp(0.8rem, 0.77rem + 0.15vw, 0.875rem);
  --text-base: clamp(0.9rem, 0.87rem + 0.2vw, 1rem);
  --text-lg: clamp(1rem, 0.95rem + 0.3vw, 1.125rem);
  --text-xl: clamp(1.1rem, 1.03rem + 0.4vw, 1.25rem);
  --text-2xl: clamp(1.3rem, 1.2rem + 0.5vw, 1.5rem);
  --text-3xl: clamp(1.6rem, 1.4rem + 0.8vw, 1.875rem);
  --text-4xl: clamp(1.9rem, 1.6rem + 1.2vw, 2.25rem);
  --text-5xl: clamp(2.2rem, 1.8rem + 1.8vw, 3rem);
  --text-6xl: clamp(2.8rem, 2.2rem + 2.5vw, 3.75rem);

  /* Pesos */
  --font-light: 300;
  --font-regular: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;
  --font-extrabold: 800;

  /* Line heights */
  --leading-none: 1;
  --leading-tight: 1.25;
  --leading-snug: 1.375;
  --leading-normal: 1.5;
  --leading-relaxed: 1.625;
  --leading-loose: 1.75;

  /* Letter spacing */
  --tracking-tight: -0.025em;
  --tracking-normal: 0;
  --tracking-wide: 0.025em;
  --tracking-wider: 0.05em;

  /* === ESPAÇAMENTOS (scale 4px) === */
  --space-0: 0;
  --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 */
  --space-32: 8rem;     /* 128px */

  /* Espaçamento de seções */
  --section-padding: clamp(3rem, 5vw, 6rem);
  --container-padding: clamp(1rem, 3vw, 2rem);

  /* === BORDER RADIUS === */
  --radius-none: 0;
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-3xl: 2rem;
  --radius-full: 9999px;

  /* === SOMBRAS === */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  --shadow-inner: inset 0 2px 4px rgba(0, 0, 0, 0.06);
  --shadow-glow: 0 0 20px rgba(65, 44, 112, 0.15);
  --shadow-accent: 0 4px 14px rgba(247, 178, 44, 0.3);

  /* === TRANSIÇÕES === */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);

  /* === Z-INDEX === */
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-fixed: 300;
  --z-modal-backdrop: 400;
  --z-modal: 500;
  --z-popover: 600;
  --z-tooltip: 700;
  --z-toast: 800;

  /* === LAYOUT === */
  --container-max: 1320px;
  --header-height: 72px;
  --top-bar-height: 40px;
}

/* === DARK MODE TOKENS === */
html.dark {
  --surface-primary: var(--color-gray-900);
  --surface-secondary: var(--color-gray-800);
  --surface-dark: var(--color-black);
  --surface-elevated: var(--color-gray-800);
  --surface-overlay: rgba(0, 0, 0, 0.7);

  --text-primary: var(--color-gray-100);
  --text-secondary: var(--color-gray-300);
  --text-muted: var(--color-gray-500);
  --text-inverse: var(--color-gray-900);
  --text-link: var(--color-accent);
  --text-link-hover: var(--color-accent-light);

  --color-primary-dark-accent: var(--color-accent);
  --color-primary-dark-accent-light: var(--color-accent-light);

  --border-color: var(--color-gray-700);
  --border-color-strong: var(--color-gray-600);
  --border-color-subtle: var(--color-gray-800);

  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4), 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -2px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -4px rgba(0, 0, 0, 0.3);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 8px 10px -6px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 20px rgba(89, 63, 153, 0.3);
}

/* === PREFERÊNCIAS DE ACESSIBILIDADE === */
@media (prefers-reduced-motion: reduce) {
  :root {
    --transition-fast: 0ms;
    --transition-base: 0ms;
    --transition-slow: 0ms;
    --transition-spring: 0ms;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}