body
{
    margin: 0;
    padding: 0;
    font-family: Segoe UI, Arial, sans-serif;
    background: #f4f6f9;
}

.login-container
{
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

.login-box
{
    width: 400px;
    max-width: 90%;
    background: white;
    border-radius: 8px;
    padding: 30px;
    box-shadow:
        0 2px 10px
        rgba(0, 0, 0, 0.15);
}

.login-box h1
{
    margin-top: 0;
    text-align: center;
    color: #003366;
}

.form-group
{
    margin-bottom: 15px;
}

.form-group label
{
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
}

.form-group input
{
    width: 100%;
    box-sizing: border-box;
    padding: 10px;
    border: 1px solid #cccccc;
    border-radius: 4px;
}

.form-group button
{
    width: 100%;
    padding: 12px;
    border: none;
    border-radius: 4px;
    background: #0d6efd;
    color: white;
    cursor: pointer;
    font-size: 14px;
}

.form-group button:hover
{
    background: #0b5ed7;
}

.error-message
{
    margin-bottom: 15px;
    padding: 10px;
    border: 1px solid #dc3545;
    background: #f8d7da;
    color: #842029;
    border-radius: 4px;
}