.form-control {
    border: 1px solid #ced4da;
    border-radius: 5px;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-control:focus {
    border-color: #80bdff;
    box-shadow: 0 0 5px rgba(0, 123, 255, 0.5);
}

.form-group {
    margin-bottom: 1.5rem;
}

.qr-code-container {
    margin-top: 20px;
    text-align: center;
    padding: 15px;
    border: 1px solid #eee;
    border-radius: 5px;
}

.qr-code-title {
    margin-bottom: 10px;
    font-weight: bold;
}

.booking-summary div {
    margin-bottom: 0.35rem;
}

.phone-input-group {
    align-items: stretch;
}

.phone-input-group .input-group-text,
.phone-input-group .form-control {
    height: 34px;
    min-height: 34px;
    padding: 6px 12px;
    line-height: 20px;
    font-size: 14px;
    border: 1px solid #ced4da;
    box-sizing: border-box;
}

.phone-input-group .input-group-text {
    font-weight: 600;
    background-color: #f8f9fa;
    border-right: 0;
    border-radius: 5px 0 0 5px;
    color: #495057;
    display: flex;
    align-items: center;
    justify-content: center;
}

.phone-input-group .form-control {
    border-left: 0;
    border-radius: 0 5px 5px 0;
}

.phone-input-group .form-control:focus {
    border-left: 0;
    box-shadow: none;
}

.phone-input-group:focus-within .input-group-text,
.phone-input-group:focus-within .form-control {
    border-color: #80bdff;
}

.phone-input-group:focus-within {
    box-shadow: 0 0 5px rgba(0, 123, 255, 0.5);
    border-radius: 5px;
}