body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    background: linear-gradient(45deg, #1a237e, #c62828);
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.login-container {
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    padding: 20px;
    width: 100%;
    max-width: 400px;
    text-align: center;
}

.logo img {
    height: 100px;
    width: auto;
}

.login-form {
    margin-top: 20px;
}

.login-form h2 {
    color: #1a237e;
}

.input-group {
    margin-bottom: 15px;
    text-align: left;
}

.input-group label {
    display: block;
    font-weight: bold;
    margin-bottom: 5px;
    color: #333;
}

.input-group input {
    width: 100%;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
    box-sizing: border-box;
    transition: border-color 0.3s;
}

.input-group input:focus {
    border-color: #1a237e;
    outline: none;
}

.login-button {
    background: #1a237e;
    color: #fff;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background 0.3s;
}

.login-button:hover {
    background: #3949ab;
}

.register-link {
    margin-top: 15px;
}

.register-link a {
    color: #c62828;
    text-decoration: none;
    font-weight: bold;
}

.register-link a:hover {
    text-decoration: underline;
}

.message {
    color: #c62828;
    font-weight: bold;
    margin-bottom: 15px;
}