body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100vh;
    margin: 0;
    flex-direction: column;
}

.container {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0px 4px 10px rgba(0, 0, 0, 0.1);
    text-align: center;
    max-width: 400px;
    width: 100%;
    margin-bottom: 20px;
}

.container img {
    width: 150px;
    margin-bottom: 20px;
}

.container input {
    width: calc(100% - 20px);
    padding: 10px;
    margin: 10px 0;
    border: 1px solid #ddd;
    border-radius: 5px;
    display: block;
}

.container button {
    width: 100%;
    padding: 10px;
    background: #007BFF;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: 0.3s;
}

.container button:hover {
    background: #0056b3;
}

.tile-container {
    display: flex;
    flex-direction: column;
    gap: 15px;
    align-items: center;
}

.tile {
    display: block;
    padding: 15px;
    background: #007BFF;
    color: white;
    text-decoration: none;
    border-radius: 10px;
    font-size: 18px;
    font-weight: bold;
    text-align: center;
    width: 80%;
    max-width: 300px;
    transition: 0.3s;
}

.tile:hover {
    background: #0056b3;
}

.logout-button {
    display: block;
    padding: 10px;
    background: red;
    color: white;
    text-align: center;
    text-decoration: none;
    border-radius: 5px;
    margin-top: 20px;
    font-weight: bold;
}

.logout-button:hover {
    background: darkred;
}

.error {
    color: red;
    margin-top: 10px;
}