/* Reset básico */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
html{
    height: 100%;
}


body {
    font-family: Arial, sans-serif;
    background-color: #f9f9ff;
    color: #333;
    display: flex;
    flex-direction: column;
    height: 100%;
}

header {
    background-color: #004080;
    color: #fff;
    padding: 20px 0;
    text-align: center;
}

h1 {
    font-size: 24px;
}

/* Estilo do Menu */
.menu {
    list-style-type: none;
    display: flex;
    justify-content: center;
    background-color: #0059b3;
}

.menu > li {
    position: relative;
}

.menu > li > a {
    display: block;
    padding: 10px 10px;
    color: #fff;
    text-decoration: none;
    transition: background-color 0.3s ease;
}

.menu > li > a:hover {
    background-color: #0073e6;
}

/* Dropdown */
.dropdowns {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background-color: #0059b3;
    list-style: none;
    min-width: 180px;
    z-index: 1;
}

.menu > li:hover > .dropdowns {
    display: block;
    animation: fadeIn 0.3s ease;
}

.dropdowns li a {
    color: #fff;
    padding: 10px;
    text-decoration: none;
    display: block;
    transition: background-color 0.3s ease;
}

.dropdowns li a:hover {
    background-color: #0073e6;
}

/* Sub-dropdown */
.sub-dropdowns {
    display: none;
    position: absolute;
    top: 0;
    left: 100%;
    background-color: #0059b3;
    list-style: none;
    min-width: 180px;
    z-index: 1;
}

.dropdowns li:hover > .sub-dropdown {
    display: block;
    animation: fadeIn 0.3s ease;
}

.sub-dropdowns li a {
    color: #fff;
    padding: 20px;
    text-decoration: none;
    display: block;
}

.sub-dropdowns li a:hover {
    background-color: #0073e6;
}

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

/* Estilo Principal */
main {
    padding: 20px;
    text-align: center;
    height: 69%;
    flex: 1;
    /* Isso faz o main ocupar todo o espaço disponível */
    overflow: auto;
}

footer {
    background-color: #004080;
    color: #fff;
    padding: 10px;
    text-align: center;
}