body {
    font-family: 'Roboto', sans-serif;
    background-color: #f4f4f4;
    margin: 0;
    padding: 20px;
    display: flex;
}

.container {
    max-width: 600px;
    margin: auto;
    background: #fff;
    padding: 20px;
    border-radius: 5px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    flex: 1; /* Allow the container to take up remaining space */
}

h1, h2 {
    color: #333;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    font-weight: bold;
}

.form-control {
    display: block;
    width: 100%;
    padding: 10px;
    font-size: 16px;
    border: 1px solid #ccc;
    border-radius: 5px;
}

.btn {
    display: inline-block;
    padding: 10px 20px;
    font-size: 16px;
    font-weight: bold;
    text-align: center;
    text-decoration: none;
    background-color: #5cb85c;
    color: #fff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

.btn:hover {
    background-color: #4cae4c;
}

.attendance-list {
    margin-top: 20px;
}

.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    width: 250px;
    height: 100%;
    background-color: #fff;
    padding: 20px;
    box-shadow: 2px 0 5px rgba(0, 0, 0, 0.1);
    transform: translateX(-100%); /* Move sidebar off-screen */
    transition: transform 0.3s ease; /* Smooth transition for transform */
    z-index: 1000; /* Ensure sidebar is above other content */
}

.sidebar.active {
    transform: translateX(0); /* Show sidebar */
}

.sidebar h3 {
    margin-top: 0;
}

.sidebar a {
    color: #007bff;
    text-decoration: none;
}

.sidebar a:hover {
    text-decoration: underline;
}

.menu-icon {
    font-size: 30px;
    cursor: pointer;
    margin-bottom: 20px;
}

/* Close icon styles */
.close-icon {
    font-size: 30px;
    cursor: pointer;
    text-align: right;
}

/* Dark Mode Styles */
.dark-mode {
    background-color: #333;
    color: #fff;
}

.dark-mode .container {
    background: #444;
}

.dark-mode .form-control {
    background: #555;
    color: #fff;
    border: 1px solid #777;
}

.dark-mode .btn {
    background-color: #5cb85c;
}

.dark-mode .btn:hover {
    background-color: #4cae4c;
}

.dark-mode .sidebar {
    background-color: #222;
    color: #fff;
}

.dark-mode .sidebar a {
    color: #66aaff; /* Lighter color for links in dark mode */
}