body {
    font-family: Arial, sans-serif;
    background-color: #f9f9f9;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.container {
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
    padding: 20px;
    max-width: 400px;
    width: 90%;
    text-align: center;
}

h1 {
    font-size: 1.8rem;
    color: #333;
    margin-bottom: 20px;
}

label {
    display: block;
    text-align: left;
    margin-top: 15px;
    font-weight: bold;
    color: #555;
}

input {
    width: 100%;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
    margin-top: 5px;
}

button {
    width: 100%;
    padding: 10px;
    background: linear-gradient(90deg, #007bff, #0056b3);
    color: white;
    font-size: 1rem;
    font-weight: bold;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    margin-top: 20px;
}

.alert {
    padding: 10px;
    margin-top: 10px;
    border-radius: 4px;
    text-align: left;
}
.alert-error {
    background-color: #f8d7da;
    color: #721c24;
}
.alert-success {
    background-color: #d4edda;
    color: #155724;
}