main {
    margin-top: 0;
    transition: margin-top 0.3s ease-in-out;
}

main.deslocado {
    margin-top: 80px;
}

.navbar {
    display: flex;
    height: 80px;
    justify-content: space-between;
    align-items: center;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
    border-bottom: 1px solid #e5e7eb;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    background-color: #fff;
    transition: transform 0.3s ease-in-out;
    z-index: 100;
}

.navbar.hide {
    transform: translateY(-100%);
}

/* Search Modal */
#search-modal {
    transition: opacity 0.3s ease-in-out;
}

#search-modal:not(.hidden) {
    display: flex !important;
    animation: fadeIn 0.3s ease-in-out;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Responsive behavior */
#search-input {
    display: none;
}

#search-button {
    display: none;
}

@media (min-width: 768px) {
    #search-input {
        display: block;
    }
}

@media (max-width: 767px) {
    #search-button {
        display: flex;
    }
}