body {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.login-container {
    background: white;
    border-radius: 15px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.login-header {
    background: linear-gradient(135deg, #28a745 0%, #20c997 100%);
    color: white;
    padding: 2rem;
    text-align: center;
}

.login-logo {
    max-width: 200px;
    height: auto;
    display: block;
    margin: 0 auto;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
}

.login-form {
    padding: 2rem;
}

.form-control:focus {
    border-color: #28a745;
    box-shadow: 0 0 0 0.2rem rgba(40, 167, 69, 0.25);
}

.btn-login {
    background: linear-gradient(135deg, #28a745 0%, #20c997 100%);
    border: none;
    padding: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(40, 167, 69, 0.4);
}

.alert {
    border-radius: 10px;
    border: none;
}