html {
    position: relative;
    min-height: 100%;
}
body {
    margin: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f9f9f9;
    color: #333;
}

header {
    background-color: #0054a6;
    color: white;
    padding: 1rem 2rem;
    text-align: center;
    font-size: 2rem;
    font-weight: bold;
}

.signup-container {
    width: 300px;
    margin: 100px auto;
    padding: 20px;
    background-color: white;
    border: 1px solid #ccc;
    border-radius: 5px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

.signup-container h1 {
    text-align: center;
    margin-bottom: 20px;
}

.signup-form {
    display: flex;
    flex-direction: column;
}

.signup-form label {
    margin-bottom: 5px;
    font-weight: bold;
}

.signup-form input {
    margin-bottom: 15px;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
}

.signup-form button {
    background-color: #adda8f;
    color: white;
    border: none;
    padding: 10px;
    cursor: pointer;
    border-radius: 5px;
    transition: background-color 0.3s, transform 0.2s;
}

.signup-form button:hover {
    background-color: #038b2e;
    transform: translateY(-2px);
}

.signup-alert {
    color: red;
    text-align: center;
    margin-top: 10px;
}