/* Reset some basic elements */
body, h1, p, ul, li {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Ensure the body and html take full height */
html, body {
    height: 100%;
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    color: #333;
    line-height: 1.6;
    display: flex;
    flex-direction: column;
}

/* Wrapper to hold the content and footer */
.wrapper {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Flex-grow the main content to push the footer down */
main {
    flex: 1;
    display: flex;
    flex-direction: column; /* Arrange items vertically, default is horizontal */
    justify-content: left; /* Center the content horizontally */
    align-items: center; /* Center the content vertically */
    padding: 20px;
}

/* Header styles */
header {
    background-color: #003366;
    color: #ffffff;
    padding: 7px 0;
    text-align: center;
    margin-bottom: 11px;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
}

header .user-info {
    display: flex;
    justify-content: flex-end;
    padding: 0 20px;
    display: inline-flex;
    align-items: center;
}

header h1 {
    margin: 10px 0;
}

/* Specific styling for the logout link */
header a {
    color: #ffffff; /* Change the link color to white */
    text-decoration: none;
}
header a:hover {
    text-decoration: underline;
}

/* Unordered list styles */
ul {
    list-style: none;
    padding: 0;
}

/* List item styles */
ul li {
    background: #e2e2e2;
    margin: 5px 0;
    padding: 10px;
    border-radius: 5px;
    transition: background 0.3s ease-in-out;
    display: inline-block;
}
.main-menu > li {
    display: block;
    margin-bottom: 10px;
}

/* SUBMENU: Keep submenu items inline (side-by-side) */
.submenu li {
    display: inline-block;
    margin-right: 10px;
}

ul li:hover {
    background: #d4d4d4;
}

/* Link styles */
ul li a {
    color: #003366;
    text-decoration: none;
    font-size: 18px;
    display: block;
    padding: 10px 20px;
}

ul li a:hover {
    text-decoration: underline;
}

/* Footer styles */
footer {
    text-align: center;
    padding: 10px;
    background: #003366;
    color: #ffffff;
    width: 100%;
    flex-shrink: 0;
}

/* Adding responsiveness */
@media (max-width: 768px) {
    ul li {
        padding: 8px;
        font-size: 16px;
    }

    ul li a {
        font-size: 16px;
    }
}

/* Spinner styles */
.spinner {
    display: none;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border: 16px solid #f3f3f3;
    border-radius: 50%;
    border-top: 16px solid #3498db;
    width: 120px;
    height: 120px;
    -webkit-animation: spin 2s linear infinite;
    animation: spin 2s linear infinite;
}
@-webkit-keyframes spin {
    0%   { -webkit-transform: rotate(0deg); }
    100% { -webkit-transform: rotate(360deg); }
}
@keyframes spin {
    0%   { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}