.input-container {
    margin-bottom: 1px;
}

.validation-messages {
    margin-top: 1px;
    padding-top: 1px;
    border-top: 1px solid #e0e0e0;
}

input.valid {
    border-color: #4caf50;
}

input.invalid {
    border-color: #d32f2f;
}

input:disabled {
    background-color: #f5f5f5;
    cursor: not-allowed;
}

button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.error {
    color: #d32f2f;
    margin: 5px 0;
}