@layer theme {
    :root {
        /* Paleta de cores principais */
        --color-brand-50: #f0f9ff;
        --color-brand-100: #e0f2fe;
        --color-brand-200: #bae6fd;
        --color-brand-300: #7dd3fc;
        --color-brand-400: #38bdf8;
        --color-brand-500: #0ea5e9;
        --color-brand-600: #0284c7;
        --color-brand-700: #0369a1;
        --color-brand-800: #075985;
        --color-brand-900: #0c4a6e;
        --color-brand-950: #082f49;

        /* Superfícies e tipografia */
        --color-surface-light: #ffffff;
        --color-surface-dark: #0a0a0a;
        --color-surface-muted: #f5f7fb;
        --color-surface-card: #ffffff;
        --color-border-strong: rgba(15, 23, 42, 0.08);
        --color-text-primary: #0f172a;
        --color-text-secondary: #475569;
        --color-text-inverse: #f8fafc;
        --color-gray-50: #f9fafb;
        --color-gray-100: #f3f4f6;
        --color-gray-200: #e5e7eb;
        --color-gray-300: #d1d5db;
        --color-gray-400: #9ca3af;
        --color-gray-500: #6b7280;
        --color-gray-600: #4b5563;
        --color-gray-700: #374151;
        --color-gray-800: #1f2937;
        --color-gray-900: #111827;
        --color-gray-950: #030712;

        /* Espaçamento */
        --spacing-xs: 0.25rem;
        --spacing-sm: 0.5rem;
        --spacing-md: 1rem;
        --spacing-lg: 1.5rem;
        --spacing-xl: 2rem;
        --spacing-2xl: 3rem;

        /* Gradientes */
        --gradient-primary: linear-gradient(135deg, var(--color-brand-500) 0%, var(--color-brand-700) 100%);
        --gradient-accent: linear-gradient(135deg, #6366f1 0%, #a855f7 100%);

        /* Focus ring */
        --focus-ring: 0 0 0 3px rgba(14, 165, 233, 0.3);
    }

    .dark {
        /* Invertendo superfícies e texto para dark mode */
        --color-surface-light: #020617;
        --color-surface-dark: #f8fafc;
        --color-surface-muted: #0b1220;
        --color-surface-card: #0f172a;
        --color-border-strong: rgba(148, 163, 184, 0.25);
        --color-text-primary: #f8fafc;
        --color-text-secondary: #cbd5f5;
        --color-text-inverse: #0f172a;

        /* Ajustando gradientes para dark */
        --gradient-primary: linear-gradient(135deg, var(--color-brand-600) 0%, var(--color-brand-800) 100%);
    }
}