.login-container {
    max-width: 450px;
    margin: 20px auto;
    padding: 30px;
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.login-form h2 {
    text-align: center;
    margin-bottom: 25px;
    color: #009520;
    font-weight: bold;
}

.form-group label {
    font-weight: 600;
    color: #333;
}

.form-control:focus {
    border-color: #009520;
    box-shadow: 0 0 0 0.2rem rgba(0,149,32,0.25);
}

.btn-success {
    background-color: #009520;
    border-color: #009520;
    padding: 10px 20px;
    font-weight: bold;
    transition: all 0.3s;
}

.btn-success:hover {
    background-color: #007a1b;
    border-color: #007a1b;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

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

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

.error-message {
    color: #dc3545;
    text-align: center;
    margin-bottom: 15px;
    padding: 8px;
    border-radius: 4px;
    background-color: rgba(220, 53, 69, 0.1);
    display: none;
}

main {
    min-height: calc(100vh - 300px);
}