body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f4f4f4;
    margin: 0;
    padding: 0;
}

#login-form, #results, #admin-panel, #upload-form {
    width: 60%; /* Increased width */
    max-width: 600px; /* Added max width */
    margin: 50px auto;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    padding: 30px;
}

h2 {
    text-align: center;
    color: #333;
    margin-bottom: 20px;
}

input[type="text"], textarea {
    width: calc(100% - 22px);
    padding: 10px;
    margin-bottom: 20px;
    border: 1px solid #ddd;
    border-radius: 4px;
    box-sizing: border-box;
}

button {
    background-color: #02402C;
    color: white;
    padding: 12px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
    transition: background-color 0.3s;
}

button:hover {
    background-color: #D9B166;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

table, th, td {
    border: 1px solid #ddd;
    padding: 12px 15px;
    text-align: left;
}

th {
    background-color: #f2f2f2;
    font-weight: bold;
}

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

#results-table tbody tr:hover, #admin-table tbody tr:hover {
    background-color: #e0f7fa;
}

#upload-form input[type="file"] {
    display: block;
    margin-bottom: 20px;
}
#student-info {
    background-color: #e8f5e9;
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 20px;
}

#student-info h2 {
    margin-top: 0;
}