body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    margin: 0;
    padding: 0;
}

.container {
    max-width: 600px;
    margin: 50px auto;
    padding: 20px;
    background-color: #fff;
    border-radius: 5px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
    text-align: center;
}

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

p {
    color: #666;
    font-size: 16px;
}

a, .button {
    color: #007bff;
    text-decoration: none;
    display: inline-block;
    margin: 10px;
}

a:hover, .button:hover {
    text-decoration: underline;
}

.button {
    background-color: #007bff;
    color: #fff;
    padding: 10px 20px;
    border-radius: 5px;
}

button, input[type="submit"] {
    background-color: #007bff;
    color: #fff;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
}

button:disabled, input[type="submit"]:disabled {
    background-color: #cccccc;
    cursor: not-allowed;
}

button:hover:not(:disabled), input[type="submit"]:hover:not(:disabled) {
    background-color: #0056b3;
}

input[type="email"] {
    width: 80%;
    padding: 10px;
    margin: 10px 0;
    border: 1px solid #ccc;
    border-radius: 5px;
}

.error {
    color: #dc3545;
    font-weight: bold;
    margin: 10px 0;
}

.message {
    color: #28a745;
    font-weight: bold;
    margin: 10px 0;
}

.logout {
    color: #dc3545;
}

#timer {
    font-size: 24px;
    color: #ff5733;
    margin: 10px 0;
}

.modal {
    display: none;
    position: fixed;
    z-index: 1;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.4);
}

.modal-content {
    background-color: #fefefe;
    margin: 15% auto;
    padding: 20px;
    border: 1px solid #888;
    width: 80%;
    max-width: 400px;
    border-radius: 5px;
}

.close {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
}

.close:hover {
    color: #000;
}