/* FUNDO GLOBAL PADRÃO */
body {
    background: 
        linear-gradient(rgba(2,6,23,0.85), rgba(2,6,23,0.95)),
        url('../images/bg-trader.jpg') center/cover no-repeat;
    
    min-height: 100vh;
}

/* OVERLAY SUAVE (compatível com mobile) */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    background: rgba(2,6,23,0.4);
    pointer-events: none;
}

/* GARANTE CONTEÚDO ACIMA */
body > * {
    position: relative;
    z-index: 1;
}