:root {
    /* Cores Dark Mode (Padrão) */
    --bg-app: #0f172a;
    --bg-sidebar: #1e293b;
    --bg-card: #1e293b;
    --bg-hover: #334155;
    
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    
    --primary: #3b82f6;      /* Azul Tech */
    --primary-glow: rgba(59, 130, 246, 0.3);
    --accent: #8b5cf6;       /* Roxo IA */
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;

    --border: 1px solid #334155;
    --radius: 16px;
    --shadow: 0 4px 20px rgba(0,0,0,0.3);
    
    --font-main: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

[data-theme="light"] {
    --bg-app: #f1f5f9;
    --bg-sidebar: #ffffff;
    --bg-card: #ffffff;
    --bg-hover: #f8fafc;
    
    --text-primary: #0f172a;
    --text-secondary: #64748b;
    
    --border: 1px solid #e2e8f0;
    --shadow: 0 4px 20px rgba(0,0,0,0.05);
}