/* Skip Links */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: #000;
    color: white;
    padding: 8px;
    z-index: 100;
    transition: top 0.3s;
}

.skip-link:focus {
    top: 0;
}

/* Melhorias de Contraste */
:root {
    --primary-color: #0056b3;
    --text-color: #333333;
    --background-light: #f8f9fa;
    --link-color: #004494;
}

/* Foco visível */
*:focus {
    outline: 3px solid #0056b3;
    outline-offset: 2px;
}

/* Alto contraste para textos importantes */
.important-text {
    color: var(--text-color);
    font-weight: 600;
}

/* Suporte para modo escuro */
@media (prefers-color-scheme: dark) {
    :root {
        --primary-color: #66b3ff;
        --text-color: #ffffff;
        --background-light: #1a1a1a;
        --link-color: #99ccff;
    }
}