:root {
    --field-border: 1px solid #EEEEEE;
    --accent-color: #2962FF;
    --sidebar-color: #F1F1F1;
    --secondary-text: #aaaaaa;
    --radius-sm: .25em;
    --radius-md: .50em;
  }
  
  * { box-sizing: border-box; }
  
  .flex {
    display: flex;
  }
  .flex-center {
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .flex-fill {
    display: flex;
    flex: 1 1;
  }
  .flex-vertical {
    display: flex;
    flex-direction: column;
  }
  .flex-vertical-center {
    display: flex;
    align-items: center;
  }
  .flex-between {
    display: flex;
    justify-content: space-between;
  }
  .p-sm  { padding: .5em; }
  .pl-sm { padding-left: .5em; }
  .pr-sm { padding-right: .5em; }
  .pb-sm { padding-bottom: .5em; }
  .p-md  { padding: 1em; }
  .pb-md { padding-bottom: 1em; }
  .p-lg  { padding: 2em; }
  .m-md  { margin: 1em; }
  .size-md { font-size: .85em; }
  .size-lg { font-size: 1.5em; }
  .size-xl { font-size: 2em; }
  .half-width { width: 50%; }
  
  .pointer { cursor: pointer; }
  .uppercase{ text-transform: uppercase; }
  .ellipsis { text-overflow: ellipsis; overflow: hidden; }
  
  .f-main-color { color: #2962FF; }
  .f-secondary-color { color: var(--secondary-text); }
  .b-main-color { background: var(--accent-color); }
  .numbers::-webkit-outer-spin-button,
  .numbers::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
  }
  
  body {
    font-size: 14px;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
  }
  
  .screen {
    position: absolute;
    left: 0;
    bottom: 0;
    right: 0;
    top: 0;
    background: #E3F2FD;
  }
  
  .popup {
    position: relative;
    width: 50em;
    height: 35em;
    background: #FFFFFF;
    overflow-x: hidden;
    overflow-y: auto;
  }
  .popup .close-btn {
    position: absolute;
    right: 0;
    top: 0;
    background: #FCFCFC;
    border-bottom-left-radius: var(--radius-sm);
    transition: background-color .25s ease-in-out;
  }
  .popup .close-btn:hover {
    background: #EF5350;
  }
  .header {
    padding-bottom: 1em;
  }
  .sidebar {
    width: 16.5em;
    padding-left: 2em;
    padding-top: 5em;
  }
  
  .header .title {
    font-size: 1.2em;
  }
  .header .title span {
    font-weight: 300;
  }
  
  .card-data > div {
    padding-bottom: 1.5em;
  }
  .card-data > div:first-child {
    padding-top: 1.5em;
  }
  
  .card-property-title {
    display: flex;
    flex-direction: column;
    flex: 1 1;
    margin-right: 0.5em;
  }
  .card-property-title strong {
    padding-bottom: .5em;
    font-size: .85em;
  }
  .card-property-title span {
    color: var(--secondary-text);
    font-size: .75em;
  }
  .card-property-value {
    flex: 1 1;
  }
  
  .card-number {
    background: #fafafa;
    border: var(--field-border);
    border-radius: var(--radius-md);
    padding: .5em 1em;
  }
  .card-number-field * { line-height: 1; margin: 0; padding: 0;}
  .card-number-field input { 
    width: 3em;
    height: 100%;
    padding: .5em 0;
    margin: 0 .75em;
    border: none;
    color: #888888;
    background: transparent;
    text-align: center;
    font-family: inherit;
    font-weight: 500;
  }
  
  .timer span {
    background: #311B92;
    color: #FFFFFF;
    width: 1.2em;
    padding: 4px 0;
    display: inline-block;
    text-align: center;
    border-radius: var(--radius-sm);
  }
  .timer span+span {
      margin-left: 2px;
  }
  .timer em {
    font-style: normal;
  }
  
  .action button {
    padding: 1.1em;
    width: 100%;
    height: 100%;
    font-weight: 600;
    font-size: 1em;
    color: #FFFFFF;
    border: none;
    border-radius: var(--radius-md);
    transition: background-color .2s ease-in-out;
  }
  .action button:hover {
    background: #2979FF;
  }
  
  .input-container {
    position: relative;
    display: flex;
    align-items: center;
    height: 3em;
    overflow: hidden;
    border: var(--field-border);
    border-radius: var(--radius-md);
  }
  .input-container input, 
  .input-container i {
    line-height: 1;
  }
  .input-container input {
    flex: 1 1;
    height: 100%;
    width: 100%;
    text-align: center;
    border: none;
    border-radius: var(--radius-md);
    font-family: inherit;
    font-weight: 800;
    font-size: .85em;
  }
  .input-container input:focus {
    background: #E3F2FD;
    color: #283593;
  }
  .input-container input::placeholder {
    color: #ddd;
  }
  .input-container input::-webkit-outer-spin-button,
  .input-container input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
  }
  .input-container i {
    position: absolute;
    right: 0.5em;
  }
  
  .purchase-section {
    position: relative;
    overflow: visible;
    padding: 0 1em 1em 1em;
    background: var(--sidebar-color);
    border-top-left-radius: .8em;
    border-top-right-radius: .8em;
  }
  .purchase-section:before {
    content: '';
    position: absolute;
    width: 1.6em;
    height: 1.6em;
    border-radius: 50%;
    left: -0.8em;
    bottom: -0.8em;
    background: #FFFFFF;
  }
  .purchase-section:after {
    content: '';
    position: absolute;
    width: 1.6em;
    height: 1.6em;
    border-radius: 50%;
    right: -0.8em;
    bottom: -0.8em;
    background: #FFFFFF;
  }
  
  .card-mockup {
    position: relative;
    margin: -5em 1em 1.5em 1em;
    padding: 1.5em 1.2em;
    height: 15em;
    border-radius: var(--radius-md);
    background: #FFFFFF;
    box-shadow: 0 .5em 1em .125em rgba(0,0,0, 0.1);
  }
  .card-mockup:after {
    content: '';
    position: absolute;
    width: 25%;
    top: -.2em;
    left: 37.5%;
    height: .2em;
    background: var(--accent-color);
    border-top-left-radius: .2em;
    border-top-right-radius: .2em;
  }
  .card-mockup:before {
    content: '';
    position: absolute;
    top: 0;
    width: 25%;
    left: 37.5%;
    height: 0.5em;
    background: #2962ff36;
    border-bottom-left-radius: 0.2em;
    border-bottom-right-radius: 0.2em;
    box-shadow: 0 2px 15px 5px #2962ff4d;
  }
  
  .purchase-props {
    margin: 0;
    padding: 0;
    font-size: .8em;
    width: 100%;
  }
  .purchase-props li {
    width: 100%;
    line-height: 2.5;
  }
  .purchase-props li span {
    color: var(--secondary-text);
    font-weight: 600;
  }
  
  .separation-line {
    border-top: 1px dashed #aaa;
    margin: 0 .8em;
  }
  
  .total-section {
    position: relative;
    overflow: hidden;
    
    padding: 1em;
    background: var(--sidebar-color);
    border-bottom-left-radius: .8em;
    border-bottom-right-radius: .8em;
  }
  .total-section:before {
    content: '';
    position: absolute;
    width: 1.6em;
    height: 1.6em;
    border-radius: 50%;
    left: -0.8em;
    top: -0.8em;
    background: #FFFFFF;
  }
  .total-section:after {
    content: '';
    position: absolute;
    width: 1.6em;
    height: 1.6em;
    border-radius: 50%;
    right: -0.8em;
    top: -0.8em;
    background: #FFFFFF;
  }
  .total-label {
    font-size: 0.8em;
    padding-bottom: 0.5em;
  }
  .total-section strong {
    font-size: 1.5em;
    font-weight: 800;
  }
  .total-section small {
    font-weight: 600;
  }