.bank-transfer-card {
    border: none;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    border-radius: 10px;
}

.currency-selection {
    display: flex;
    flex-wrap: wrap;
}

.currency-option {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.currency-option:hover {
    background-color: #f0f0f0;
}

.currency-option.selected {
    background-color: #007bff;
    color: white;
}

.flag-icon {
    font-size: 24px;
    margin-bottom: 5px;
}

.bank-details p {
    margin-bottom: 10px;
}

.modern-input {
    border: 1px solid #ddd;
    border-radius: 5px;
    padding: 10px;
    font-size: 16px;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.modern-input:focus {
    border-color: #007bff;
    outline: none;
    box-shadow: 0 0 0 2px rgba(0, 123, 255, 0.25);
}

.modern-input.is-invalid {
    border-color: #dc3545;
}

.modern-input.is-invalid:focus {
    box-shadow: 0 0 0 2px rgba(220, 53, 69, 0.25);
}

.invalid-feedback {
    display: block;
    width: 100%;
    margin-top: 0.25rem;
    font-size: 80%;
    color: #dc3545;
}

.modern-button {
    padding: 10px 20px;
    font-size: 16px;
    border-radius: 5px;
    transition: background-color 0.3s ease;
}

.modern-button:hover:not(:disabled) {
    background-color: #0056b3;
}

.modern-button:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}