/**
 * RBCC Design System - Design Tokens
 * Rede Brasileira de Cidades Criativas / UNESCO
 * Versão: 1.0.0
 * Fonte Única de Verdade de variáveis CSS
 */

:root {
  /* ==========================================================================
     1. PALETA DE CORES INSTITUCIONAL
     ========================================================================== */
  --rbcc-color-primary: #053b7b;          /* Azul Noite / Design (Primária) */
  --rbcc-color-primary-hover: #032b5a;    /* Azul Noite Dark */
  --rbcc-color-primary-light: #eaf2fa;    /* Azul Institucional Soft */
  --rbcc-color-primary-rgb: 5, 59, 123;

  --rbcc-color-secondary: #eac306;        /* Amarelo Sol / Artesanato */
  --rbcc-color-secondary-hover: #d1ad04;  /* Amarelo Sol Dark */
  --rbcc-color-secondary-light: #fef9e6;  /* Amarelo Sol Soft */
  --rbcc-color-secondary-rgb: 234, 195, 6;

  --rbcc-color-accent-blue: #085cc1;      /* Azul Royal / Cinema */
  --rbcc-color-accent-blue-hover: #064796;
  --rbcc-color-accent-blue-rgb: 8, 92, 193;

  --rbcc-color-accent-green: #4c9b5f;     /* Verde Brasil / Música */
  --rbcc-color-accent-green-hover: #3d804e;
  --rbcc-color-accent-green-rgb: 76, 155, 95;

  /* ==========================================================================
     2. AS 8 ÁREAS CRIATIVAS DA UNESCO (Cores Oficiais do Brandbook)
     ========================================================================== */
  --rbcc-area-artesanato: #eac306;        /* Artesanato e Artes Populares */
  --rbcc-area-artesanato-rgb: 234, 195, 6;

  --rbcc-area-arquitetura: #388c84;       /* Arquitetura */
  --rbcc-area-arquitetura-rgb: 56, 140, 132;

  --rbcc-area-artes-midiaticas: #0a7da5;  /* Artes Midiáticas */
  --rbcc-area-artes-midiaticas-rgb: 10, 125, 165;

  --rbcc-area-cinema: #085cc1;            /* Cinema */
  --rbcc-area-cinema-rgb: 8, 92, 193;

  --rbcc-area-design: #053b7b;            /* Design */
  --rbcc-area-design-rgb: 5, 59, 123;

  --rbcc-area-gastronomia: #bcb819;       /* Gastronomia */
  --rbcc-area-gastronomia-rgb: 188, 184, 25;

  --rbcc-area-literatura: #87aa39;        /* Literatura */
  --rbcc-area-literatura-rgb: 135, 170, 57;

  --rbcc-area-musica: #4c9b5f;            /* Música */
  --rbcc-area-musica-rgb: 76, 155, 95;

  /* ==========================================================================
     3. NEUTROS, SUPERFÍCIES E BORDAS
     ========================================================================== */
  --rbcc-neutral-white: #ffffff;
  --rbcc-neutral-50: #f8fafc;
  --rbcc-neutral-100: #f1f5f9;
  --rbcc-neutral-200: #e2e8f0;
  --rbcc-neutral-300: #cbd5e1;
  --rbcc-neutral-400: #94a3b8;
  --rbcc-neutral-500: #64748b;
  --rbcc-neutral-600: #475569;
  --rbcc-neutral-700: #334155;
  --rbcc-neutral-800: #1e293b;
  --rbcc-neutral-900: #0f172a;
  --rbcc-neutral-950: #090d16;

  /* ==========================================================================
     4. CORES DE FEEDBACK DO SISTEMA
     ========================================================================== */
  --rbcc-feedback-success: #10b981;
  --rbcc-feedback-success-bg: #ecfdf5;
  --rbcc-feedback-warning: #f59e0b;
  --rbcc-feedback-warning-bg: #fffbeb;
  --rbcc-feedback-danger: #ef4444;
  --rbcc-feedback-danger-bg: #fef2f2;
  --rbcc-feedback-info: #085cc1;
  --rbcc-feedback-info-bg: #eff6ff;

  /* ==========================================================================
     5. TIPOGRAFIA OFICIAL
     ========================================================================== */
  --rbcc-font-heading: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --rbcc-font-body: 'Source Sans 3', 'Source Sans Pro', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --rbcc-font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;

  /* Escala de Tamanhos */
  --rbcc-text-xs: 0.75rem;     /* 12px */
  --rbcc-text-sm: 0.875rem;    /* 14px */
  --rbcc-text-base: 1rem;      /* 16px */
  --rbcc-text-lg: 1.125rem;    /* 18px */
  --rbcc-text-xl: 1.25rem;     /* 20px */
  --rbcc-text-2xl: 1.5rem;     /* 24px */
  --rbcc-text-3xl: 1.875rem;   /* 30px */
  --rbcc-text-4xl: 2.25rem;    /* 36px */
  --rbcc-text-5xl: 3rem;       /* 48px */

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

  /* Alturas de Linha */
  --rbcc-leading-none: 1;
  --rbcc-leading-tight: 1.2;
  --rbcc-leading-snug: 1.35;
  --rbcc-leading-normal: 1.5;
  --rbcc-leading-relaxed: 1.65;

  /* Tracking */
  --rbcc-tracking-tight: -0.02em;
  --rbcc-tracking-normal: 0;
  --rbcc-tracking-wide: 0.04em;
  --rbcc-tracking-widest: 0.08em;

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

  /* ==========================================================================
     7. BORDER RADIUS
     ========================================================================== */
  --rbcc-radius-none: 0px;
  --rbcc-radius-xs: 2px;
  --rbcc-radius-sm: 4px;
  --rbcc-radius-md: 8px;       /* Padrão para inputs, tags e cards */
  --rbcc-radius-lg: 12px;      /* Cards destacados, modais */
  --rbcc-radius-xl: 16px;      /* Banners e containers */
  --rbcc-radius-2xl: 24px;
  --rbcc-radius-full: 9999px;  /* Pill buttons e avatars */

  /* ==========================================================================
     8. ELEVAÇÕES & SOMBRAS
     ========================================================================== */
  --rbcc-shadow-xs: 0 1px 2px 0 rgba(15, 23, 42, 0.05);
  --rbcc-shadow-sm: 0 1px 3px 0 rgba(15, 23, 42, 0.08), 0 1px 2px -1px rgba(15, 23, 42, 0.08);
  --rbcc-shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.08), 0 2px 4px -2px rgba(15, 23, 42, 0.06);
  --rbcc-shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.08), 0 4px 6px -4px rgba(15, 23, 42, 0.04);
  --rbcc-shadow-xl: 0 20px 25px -5px rgba(15, 23, 42, 0.08), 0 8px 10px -6px rgba(15, 23, 42, 0.04);
  --rbcc-shadow-primary: 0 10px 20px -5px rgba(5, 59, 123, 0.28);
  --rbcc-shadow-secondary: 0 10px 20px -5px rgba(234, 195, 6, 0.35);

  /* ==========================================================================
     9. TRANSIÇÕES E ANIMAÇÕES
     ========================================================================== */
  --rbcc-transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --rbcc-transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --rbcc-transition-smooth: 350ms cubic-bezier(0.16, 1, 0.3, 1);
  --rbcc-transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);

  /* ==========================================================================
     10. Z-INDEX SYSTEM
     ========================================================================== */
  --rbcc-z-dropdown: 1000;
  --rbcc-z-sticky: 1020;
  --rbcc-z-fixed: 1030;
  --rbcc-z-modal-backdrop: 1040;
  --rbcc-z-modal: 1050;
  --rbcc-z-popover: 1060;
  --rbcc-z-tooltip: 1070;
  --rbcc-z-toast: 1080;
}

/* ==========================================================================
   TEMA ESCURO (DARK MODE TOKENS OVERRIDE)
   ========================================================================== */
[data-theme="dark"],
body.dark-theme {
  --rbcc-neutral-white: #11192a;
  --rbcc-neutral-50: #080d16;
  --rbcc-neutral-100: #0f172a;
  --rbcc-neutral-200: #1e293b;
  --rbcc-neutral-300: #334155;
  --rbcc-neutral-400: #64748b;
  --rbcc-neutral-500: #94a3b8;
  --rbcc-neutral-600: #cbd5e1;
  --rbcc-neutral-700: #e2e8f0;
  --rbcc-neutral-800: #f1f5f9;
  --rbcc-neutral-900: #f8fafc;
  --rbcc-neutral-950: #ffffff;

  --rbcc-color-primary-light: #16243b;

  --rbcc-shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.4);
  --rbcc-shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.5);
  --rbcc-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.6);
  --rbcc-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.7);
  --rbcc-shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.8);
}