:root {
  --gray-500: #e3e3e3;
  --gray-600: #d1d1d1;
  --gray-700: #7e7e7e;
  --gray-900: #3a3a3a;
  
  --black: #0A0A0A;
  --white: #FFFFFF;
}


body {
    display: flex;
    margin: 4% calc((100% - 500px) / 2) 0;
}


/*  */
/* view-wrap */
#view-wrap {
    flex: 1;
    display: flex;
    gap: 20px 50px;
    align-items: stretch;
    box-sizing: border-box;
}

.view-section {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 8px;
}


/*  */
/* view-menu */
.view-menu {
    height: 30px;
    display: flex;
    align-items: end;
    gap: 5px;
    margin-bottom: 2px;
}

.view-menu:not(:nth-child(1)) {
    margin-top: 20px;
}

.view-menu label {
    font-size: 18px;
    margin-right: auto;
}

.view-menu button {
    font-size: 15px;
    font-weight: bold;
    color: var(--gray-700);
    background-color: transparent;
    border: none;
}

.view-menu button:hover {
    color: var(--black);
}


/*  */
/* config */
.view-section .config {
    display: flex;
    align-items: end;
    gap: 20px;
    border: 1px solid var(--gray-700);
    border-radius: 5px;
    padding: 7px 15px;
    box-sizing: border-box;
}

.view-section .config label {
    display: flex;
    align-items: end;
    gap: 8px;
    font-size: 14px;
}

.view-section .config label * {
    color: var(--gray-700);
    font-size: 11px;
    text-decoration: none;
    padding-bottom: 1px;
}

.view-section .config :nth-child(2) {
    flex: 1;
    font-size: 14px;
    border: none;
    outline: none;
    color: var(--gray-700);
}


.black-btn {
  padding: 7px 15px;
  box-sizing: border-box;
  border: none;
  border-radius: 4px;
  background-color: var(--black);
  color: var(--white);
  text-align: center;
  text-decoration: none;
  font-size: 14px;
  font-weight: bold;
}

.black-btn:hover { 
    background-color: var(--gray-900); 
}


#barcode {
    display: none;
}