/* styles.css */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f0f2f5;
}

header {
    background-color: #0062cc;
    color: #ffffff;
    padding: 20px 0;
    text-align: center;
}

nav ul {
    list-style-type: none;
    padding: 0;
    margin: 0;
}

nav ul li {
    display: inline;
    margin-right: 20px;
}

nav ul li a {
    color: #ffffff;
    text-decoration: none;
    font-weight: bold;
}

main {
    padding: 20px;
    min-height: calc(100vh - 140px); /* Adjusting for header and footer */
}

.hidden {
    display: none;
}

footer {
    background-color: #0062cc;
    color: #ffffff;
    text-align: center;
    padding: 10px 0;
    position: fixed;
    bottom: 0;
    width: 100%;
}

/* Specific section styles */
.section {
    background-color: #ffffff;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    padding: 20px;
    margin-bottom: 20px;
}

/* Form and input styles */
input[type="text"], input[type="password"], input[type="email"], select {
    border: 1px solid #ccc;
    border-radius: 4px;
    padding: 10px;
    width: 100%;
    box-sizing: border-box; /* Include padding and border in element's width */
    margin-bottom: 15px;
}

input[type="submit"], button {
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    padding: 10px 20px;
    font-size: 16px;
    transition: background-color 0.3s ease;
}

input[type="submit"]:hover, button:hover {
    background-color: #0056b3;
}

/* Table styles */
table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

table, th, td {
    border: 1px solid #ddd;
}

th, td {
    text-align: left;
    padding: 8px;
}

th {
    background-color: #f2f2f2;
}

tr:nth-child(even) {
    background-color: #f9f9f9;
}

/* Modal styles */
.modal {
    position: fixed;
    z-index: 1;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0,0,0,0.4);
}

.modal-content {
    background-color: #fefefe;
    margin: 15% auto;
    padding: 20px;
    border: 1px solid #888;
    width: 80%;
    box-shadow: 0 4px 8px 0 rgba(0,0,0,0.2), 0 6px 20px 0 rgba(0,0,0,0.19);
    animation-name: modalopen;
    animation-duration: 0.4s;
}

@keyframes modalopen {
    from {top: -300px; opacity: 0}
    to {top: 0; opacity: 1}
}

/* Responsive adjustments */
@media (max-width: 768px) {
    nav ul li {
        display: block;
        margin-bottom: 10px;
    }

    main {
        padding: 10px;
    }

    .modal-content {
        width: 90%;
    }
}