/* ==============================================================================
   DESIGN TOKENS — VÉRTICE DATA / DATA BOUTIQUE DESIGN SYSTEM
   Base cromática, tipografia, elevação, grid e variáveis semânticas
   ============================================================================== */

:root {
  /* Paleta de Cores - Superfícies & Fundos */
  --color-bg-main: #070B14;
  --color-bg-surface: #0E1526;
  --color-bg-card: rgba(19, 28, 49, 0.7);
  --color-bg-card-hover: rgba(28, 41, 70, 0.85);
  --color-bg-elevated: #131C31;
  --color-bg-input: rgba(14, 21, 38, 0.85);

  /* Acentos de Marca (DVRA — Violeta, Azul & Ciano Elétrico) */
  --color-brand-purple: #8B5CF6;
  --color-brand-purple-dark: #6D28D9;
  --color-brand-purple-glow: rgba(139, 92, 246, 0.4);
  --color-brand-blue: #3B82F6;
  --color-brand-blue-glow: rgba(59, 130, 246, 0.35);
  --color-brand-cyan: #00D2FF;
  --color-brand-cyan-glow: rgba(0, 210, 255, 0.35);
  --color-brand-emerald: #10B981;
  --color-brand-emerald-glow: rgba(16, 185, 129, 0.3);
  --color-brand-amber: #F59E0B;

  /* Gradientes de Assinatura DVRA */
  --grad-brand: linear-gradient(135deg, #8B5CF6 0%, #3B82F6 50%, #00D2FF 100%);
  --grad-brand-alt: linear-gradient(135deg, #7B5CFF 0%, #3B82F6 100%);
  --grad-brand-rev: linear-gradient(135deg, #00D2FF 0%, #3B82F6 50%, #8B5CF6 100%);
  --grad-emerald: linear-gradient(135deg, #10B981 0%, #00D2FF 100%);
  --grad-surface: linear-gradient(180deg, rgba(255, 255, 255, 0.04) 0%, rgba(255, 255, 255, 0) 100%);
  --grad-glow: radial-gradient(circle at 50% 0%, rgba(139, 92, 246, 0.22) 0%, rgba(0, 210, 255, 0.06) 45%, transparent 70%);

  /* Textos & Contraste */
  --color-text-primary: #F8FAFC;
  --color-text-secondary: #94A3B8;
  --color-text-muted: #64748B;
  --color-text-highlight: #38BDF8;
  --color-logo-text: #F8FAFC;
  --color-logo-subtitle: #E2E8F0;

  /* Bordas & Divisores */
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-medium: rgba(255, 255, 255, 0.14);
  --border-glow: rgba(139, 92, 246, 0.35);
  --border-focus: #8B5CF6;
  --grid-line-color: rgba(255, 255, 255, 0.025);
  --header-scrolled-bg: rgba(7, 11, 20, 0.88);
  --header-scrolled-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);

  /* Tipografia */
  --font-display: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Escala Tipográfica Fluida */
  --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: clamp(2rem, 3.5vw, 2.75rem);
  --text-5xl: clamp(2.5rem, 5vw, 3.75rem);

  /* Espaçamentos */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-24: 6rem;

  /* Raios de Arredondamento */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Sombras & Elevação (Glassmorphism & Depth) */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
  --shadow-card: 0 10px 30px -10px rgba(0, 0, 0, 0.5), 0 0 1px 1px rgba(255, 255, 255, 0.05) inset;
  --shadow-card-hover: 0 20px 40px -12px rgba(139, 92, 246, 0.25), 0 0 1px 1px rgba(0, 210, 255, 0.3) inset;
  --shadow-glow: 0 0 28px rgba(139, 92, 246, 0.38);

  /* Transições & Timings */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 400ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Layout Container */
  --container-max: 1240px;
  --container-narrow: 840px;
}

/* ==============================================================================
   TEMA CLARO (NORMAL / LIGHT MODE)
   Ativado via atributo data-theme="light" no <html>
   ============================================================================== */
[data-theme="light"] {
  /* Paleta de Cores - Superfícies & Fundos */
  --color-bg-main: #F8FAFC;
  --color-bg-surface: #FFFFFF;
  --color-bg-card: rgba(255, 255, 255, 0.92);
  --color-bg-card-hover: #FFFFFF;
  --color-bg-elevated: #F1F5F9;
  --color-bg-input: #FFFFFF;

  /* Acentos de Marca para Fundo Claro */
  --color-brand-purple: #7C3AED;
  --color-brand-purple-dark: #5B21B6;
  --color-brand-purple-glow: rgba(124, 58, 237, 0.25);
  --color-brand-blue: #2563EB;
  --color-brand-blue-glow: rgba(37, 99, 235, 0.2);
  --color-brand-cyan: #0284C7;
  --color-brand-cyan-glow: rgba(2, 132, 199, 0.2);
  --color-brand-emerald: #059669;
  --color-brand-emerald-glow: rgba(5, 150, 105, 0.2);
  --color-brand-amber: #D97706;

  /* Gradientes de Ação */
  --grad-brand: linear-gradient(135deg, #7C3AED 0%, #2563EB 50%, #0284C7 100%);
  --grad-brand-alt: linear-gradient(135deg, #6D28D9 0%, #2563EB 100%);
  --grad-surface: linear-gradient(180deg, rgba(0, 0, 0, 0.02) 0%, rgba(0, 0, 0, 0) 100%);
  --grad-glow: radial-gradient(circle at 50% 0%, rgba(124, 58, 237, 0.12) 0%, rgba(2, 132, 199, 0.04) 50%, transparent 70%);

  /* Textos & Contraste */
  --color-text-primary: #0F172A;
  --color-text-secondary: #475569;
  --color-text-muted: #64748B;
  --color-text-highlight: #0284C7;
  --color-logo-text: #0F172A;
  --color-logo-subtitle: #1E293B;

  /* Bordas & Divisores */
  --border-subtle: rgba(15, 23, 42, 0.08);
  --border-medium: rgba(15, 23, 42, 0.15);
  --border-glow: rgba(124, 58, 237, 0.3);
  --border-focus: #7C3AED;

  /* Sombras Suaves */
  --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.06);
  --shadow-card: 0 4px 20px -4px rgba(15, 23, 42, 0.08), 0 0 1px 1px rgba(15, 23, 42, 0.04);
  --shadow-card-hover: 0 16px 36px -10px rgba(124, 58, 237, 0.16), 0 0 1px 1px rgba(124, 58, 237, 0.2);
  --shadow-glow: 0 0 24px rgba(124, 58, 237, 0.18);

  /* Elementos Estruturais */
  --grid-line-color: rgba(15, 23, 42, 0.035);
  --header-scrolled-bg: rgba(255, 255, 255, 0.92);
  --header-scrolled-shadow: 0 4px 20px rgba(15, 23, 42, 0.06);
}

