/* Box sizing rules */
*,
*::before,
*::after {
  box-sizing: border-box;
}

/* Prevent font size inflation */
html {
  -moz-text-size-adjust: none;
  -webkit-text-size-adjust: none;
  text-size-adjust: none;
}

/* Remove default margin in favour of better control in authored CSS */
body, h1, h2, h3, h4, p,
figure, blockquote, dl, dd {
  margin-block-end: 0;
}

/* Remove list styles on ul, ol elements with a list role, which suggests default styling will be removed */
ul[role='list'],
ol[role='list'] {
  list-style: none;
}

/* Set core body defaults */
body {
  min-height: 100vh;
  line-height: 1.5;
}

/* Set shorter line heights on headings and interactive elements */
h1, h2, h3, h4,
button, input, label {
  line-height: 1.1;
}

/* Balance text wrapping on headings */
h1, h2,
h3, h4 {
  text-wrap: balance;
}

/* A elements that don't have a class get default styles */
a:not([class]) {
  text-decoration-skip-ink: auto;
  color: currentColor;
}

/* Make images easier to work with */
img,
picture {
  max-width: 100%;
  display: block;
}

/* Inherit fonts for inputs and buttons */
input, button,
textarea, select {
  font: inherit;
}

/* Make sure textareas without a rows attribute are not tiny */
textarea:not([rows]) {
  min-height: 10em;
}

/* Anything that has been anchored to should have extra scroll margin */
:target {
  scroll-margin-block: 5ex;
}

/* ultility classes */

.flex {
    display: flex;
}

.flex-col {
    flex-direction: column;
}

.flex-row {
    flex-direction: row;
}

.font {
    font-family: inter, sans-serif;
}

.brd-rad {
    border-radius: 100px;
}

.brd-12 {
    border-radius: 12px;
}

.gap-8 {
    gap: 8px;
}

.gap-16 {
    gap: 16px;
}

.gap-24 {
    gap: 24px;
}

.gap-32 {
    gap: 24px;
}

.pad-16 {
    padding: 16px;
}

.btn-style {
    padding: 10px 24px;
    font-size: 14px;
    border-style: solid;
    border-color: var(--primary);
    color: var(--primary);
    outline: none;
    border-radius: 28px;
}

/* Color */

:root {
    --primary: #006877;
    --on-surface: #171D1E;
    --error: #BA1A1A;
    --surface-container-highest: #DEE3E5;
    --surface-container-high: #E4E9EB;
    --surface-container: #E9EFF0;
    --on-primary: #ffffff;
    --on-background: #171D1E;
    --background: #F5F9FA;
}



h1 {
    text-align: center;
    font-size: 45px;
    margin: 0;
    font-weight: 400;
    color: var(--primary);
}

h2 {
    color: var(--on-surface);
    font-weight: 400;
    margin: 0;
}

p {
    margin: 4px;
}

#divider {
    width: 100%;
    height: 2px;
    background-color: var(--primary);
}

body {
  background-color: var(--background);
}

main {
    justify-content: center;
    margin: 100px 16px;
}

@media only screen and (max-width: 599px) {
  
  main {
    margin: 40px 16px;
  }
}

input {
    padding: 12px 24px;
    border: 1px solid var(--on-background);
    color: var(--on-background);
}

input::placeholder {
  color: var(--on-background);
}

input:focus {
  border: 1px solid var(--on-background);
  outline-color: var(--primary);
  background-color: #ffffff;
}

label {
    color: var(--on-surface);
}

#content {
    max-width: 460px;
    gap: 48px;
}

#button-structure {
  justify-content: flex-end;
  gap: 16px;
}

#results-card {
  padding: 24px 32px;
  justify-content: space-between;
  background-color: var(--surface-container);
  color: var(--on-surface);
  gap: 24px;
}

/* @media only screen and (max-width: 599px) {
  #results-card {
    height: 560px;
  }
  
} */

#change-due {
    background-color: var(--surface-container-highest);
    overflow-y: auto;
    border-radius: 12px;
    
    display: flex;
    flex-direction: column;
}

#item-structure {
    margin: 16px;
    display: flex;
    align-items: center;
    gap: 16px;
}

#result-item p {
    margin: 0px;
}

#button-wrapper {
    justify-content: end;
}

#purchase-btn {
    background-color: var(--primary);
    color: var(--on-primary);
    border-style: none;
    cursor: pointer;
    transition: 20ms;
}

#purchase-btn:hover {
    opacity: 0.8;
}