/* =============================================
   NFS-e Easy: Design Tokens
   Visual profissional, corporativo e padronizado
   ============================================= */

:root {
    /* Paleta principal */
    --color-primary: #1a56db;
    --color-primary-hover: #1648b8;
    --color-primary-light: #e8eefb;
    --color-primary-dark: #0f3a8e;

    --color-secondary: #374151;
    --color-secondary-hover: #1f2937;

    /* Superficies */
    --color-bg: #f3f4f6;
    --color-surface: #ffffff;
    --color-surface-alt: #f9fafb;
    /* Nome usado em várias telas e nunca definido: fundo alternativo = superfície alternativa. */
    --color-bg-alt: var(--color-surface-alt);
    --color-border: #e5e7eb;
    --color-border-strong: #d1d5db;

    /* Texto */
    --color-text: #111827;
    --color-text-secondary: #6b7280;
    --color-text-muted: #9ca3af;
    --color-text-inverse: #ffffff;

    /* Status */
    --color-success: #059669;
    --color-success-bg: #ecfdf5;
    --color-success-border: #a7f3d0;

    --color-warning: #d97706;
    --color-warning-bg: #fffbeb;
    --color-warning-border: #fcd34d;
    /* Texto de aviso sobre --color-warning-bg: 4,84:1 (WCAG AA); #d97706 dava 3,07:1. */
    --color-warning-text: #b45309;

    --color-danger: #dc2626;
    --color-danger-hover: #b91c1c;
    --color-danger-bg: #fef2f2;
    --color-danger-border: #fecaca;

    --color-info: #2563eb;
    --color-info-bg: #eff6ff;
    --color-info-border: #bfdbfe;

    /* Sidebar */
    --sidebar-bg: #0a2559;
    --sidebar-text: #cfd8ea;
    --sidebar-text-active: #ffffff;
    --sidebar-item-hover: #12326e;
    --sidebar-item-active: #1a56db;
    --sidebar-width: 240px;

    /* Tipografia */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.8125rem;
    --font-size-base: 0.875rem;
    --font-size-md: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;

    /* Espacamento */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;

    /* Bordas */
    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 8px;
    --radius-xl: 12px;

    /* Sombras */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 4px 6px rgba(0, 0, 0, 0.07), 0 2px 4px rgba(0, 0, 0, 0.05);

    /* Transicoes */
    --transition-fast: 150ms ease;
    --transition-normal: 200ms ease;
    --transition-slow: 300ms ease;
}