header h1 {
    letter-spacing: 0.5px;
}
.jumbotron {
    background-color: #004a80 !important; /* Use your hex code */
}
#loadingOverlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 9999;

    display: flex;
    justify-content: center;
    align-items: center;

    /* fundo mais elegante (gradiente leve) */
    background: linear-gradient(
            rgba(0, 112, 198, 0.5),
            rgba(0, 80, 150, 0.6)
    );

    /* blur mais suave */
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);

    transition: opacity 0.3s ease;
}

/* container interno */
.loading-box {
    text-align: center;
    padding: 25px 30px;

    border-radius: 12px;

    /* vidro (glass effect) */
    background: rgba(255, 255, 255, 0.05);

    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);

    animation: fadeScale 0.4s ease;
}

/* logo */
.loading-box img {
    max-width: 110px;
    margin-bottom: 15px;

    /* leve destaque */
    filter: drop-shadow(0 0 8px rgba(255,255,255,0.2));
}

/* texto */
.loading-box p {
    color: #ddd;
    font-size: 14px;
    margin-top: 10px;
}

/* animação */
@keyframes fadeScale {
    from {
        opacity: 0;
        transform: scale(0.92);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

footer a:hover {
    text-decoration: underline;
    opacity: 0.8;
}
/* cursor de clique */
.clickable-card {
    cursor: pointer;
}

/* hover suave (sem quebrar layout) */
.hover-card {
    transition: box-shadow 0.2s ease, background-color 0.2s ease;
}

.hover-card:hover {
    box-shadow: 0 0 0 1px #dee2e6, 0 0.5rem 1rem rgba(0,0,0,.05);
    background-color: #fafafa;
}
.card.ativo {
    border: 2px solid #198754; /* verde Bootstrap */
    background-color: #e9f7ef;
}

.card.ativo i {
    color: #198754 !important;
}

.card.ativo h5 {
    color: #198754;
}