/* Base Styles
–––––––––––––––––––––––––––––––––––––––––––––––––– */
/* NOTE
html is set to 62.5% so that all the REM measurements throughout Skeleton
are based on 10px sizing. So basically 1.5rem = 15px :) */

html {
  font-size: 62.5%;
  font-family: "Inter", sans-serif;
}

i {
  font-family: "fontello", sans-serif;
}

@supports (font-variation-settings: normal) {
  html {
    font-family: "Inter var", "Inter", sans-serif;
    text-rendering: optimizeLegibility;
  }
}

/* Colors for themes */
body {
  --base-hsl: 0, 0%, 100%;
  /* constant colors */
  --black: hsl(240, 16%, 16%);
  --white: hsl(0, 0%, 100%);
  --white-700: hsl(212, 79%, 85%);

  /* colors */
  --base: var(--white);
  --page-base: hsl(218, 34%, 96%);
  --page-base-gradient: linear-gradient(
    177deg,
    hsla(218, 36%, 93%, 0.64) 29%,
    hsla(0, 0%, 100%, 0.64) 150%
  );

  --ink-900: var(--black);
  --ink-700: hsl(207, 12%, 43%);
  --ink-600: hsla(207, 12%, 43%, 0.8);

  --link: hsl(243, 93%, 67%);
  --link-hover: hsl(243, 96%, 67%);
  --link-icons: hsl(243, 97%, 68%);
  --link-mute: hsla(243, 97%, 68%, 0.5);
  --link-visited: hsl(243, 85%, 37%);

  --button-border: hsla(0, 0%, 59%, 0.5);
  --button-background: var(--base);
  --button-primary: var(--link);
  --button-primary-hover: var(--link-hover);

  --border-color: hsla(216, 41%, 87%, 0.8);
  --partition: hsl(223, 33%, 96%);
  --stripes-dark: hsl(245, 40%, 97%);
  --stripes: hsl(245, 40%, 98%);
  --stripes-light: hsl(245, 40%, 99%);
  --lines: hsl(215, 42%, 90%);

  --input-border: var(--button-border);

  --bg-light-blue: hsla(236, 96%, 70%, 0.08);
  --bg-light-blue-border: 1px solid hsla(234, 77%, 60%, 0.04);

  --red: hsl(10, 94%, 44%);

  --error-bg: hsl(33, 68%, 95%);
  --error-border: hsla(29, 100%, 45%, 0.4);
  --success-bg: hsl(207, 68%, 98%);
  --success-border: hsla(210, 100%, 45%, 0.4);

  --pros: hsl(163, 70%, 70%);
  --cons: hsl(360, 73%, 83%);

  --up: hsl(89, 89%, 38%);
  --down: hsl(0, 89%, 63%);

  --inserts-bg: hsl(115, 91%, 96%);
  --inserts-text: hsl(89, 90%, 27%);
  --deletes-bg: hsl(0, 100%, 97%);
  --deletes-text: hsl(0, 89%, 63%);

  --chart-price: var(--link);
  --chart-volume: hsl(220, 95%, 87%);
}

body.dark {
  --base-hsl: 224, 19%, 16%;
  --base: hsl(224, 19%, 16%);
  --page-base: hsl(227, 22%, 10%);
  --page-base-gradient: linear-gradient(
    177deg,
    hsl(227, 22%, 10%) 29%,
    hsl(0, 0%, 0%) 150%
  );

  --ink-900: hsl(0, 0%, 100%);
  --ink-700: hsl(224, 25%, 77%);
  --ink-600: hsl(224, 14%, 55%);

  --link: hsl(233, 100%, 71%);
  --link-hover: hsl(233, 100%, 76%);
  --link-icons: hsl(233, 100%, 71%);
  --link-mute: hsla(233, 100%, 71%, 0.4);
  --link-visited: hsl(233, 30%, 60%);

  --button-border: hsl(224, 21%, 12%);
  --button-background: hsl(224, 21%, 12%);
  --button-primary: hsl(236, 88%, 61%);
  --button-primary-hover: hsl(236, 88, 70%);

  --border-color: hsla(224, 22%, 53%, 0.32);
  --partition: hsla(224, 22%, 53%, 0.64);
  --stripes-dark: hsl(224, 40%, 5%);
  --stripes: hsl(224, 22%, 10%);
  --stripes-light: hsl(225, 21%, 10%);
  --lines: hsla(224, 22%, 53%, 0.32);

  --input-border: var(--button-border);

  --error-bg: hsl(33, 85%, 15%);
  --error-border: hsl(33, 85%, 15%);
  --success-bg: hsl(224, 85%, 15%);
  --success-border: hsla(224, 85%, 15%);
}

body.dark .logo {
  filter: invert(0.5) brightness(2);
}

@media (prefers-color-scheme: dark) {
  body.auto {
    --base-hsl: 224, 19%, 16%;
    --base: hsl(224, 19%, 16%);
    --page-base: hsl(227, 22%, 10%);
    --page-base-gradient: linear-gradient(
      177deg,
      hsl(227, 22%, 10%) 29%,
      hsl(0, 0%, 0%) 150%
    );

    --ink-900: hsl(0, 0%, 100%);
    --ink-700: hsl(224, 25%, 77%);
    --ink-600: hsl(224, 14%, 55%);

    --link: hsl(233, 100%, 71%);
    --link-hover: hsl(233, 100%, 76%);
    --link-icons: hsl(233, 100%, 71%);
    --link-mute: hsla(233, 100%, 71%, 0.4);
    --link-visited: hsl(233, 30%, 60%);

    --button-border: hsl(224, 21%, 12%);
    --button-background: hsl(224, 21%, 12%);
    --button-primary: hsl(236, 88%, 61%);
    --button-primary-hover: hsl(236, 88, 70%);

    --border-color: hsla(224, 22%, 53%, 0.32);
    --partition: hsla(224, 22%, 53%, 0.64);
    --stripes-dark: hsl(224, 40%, 5%);
    --stripes: hsl(224, 22%, 10%);
    --stripes-light: hsl(225, 21%, 10%);
    --lines: hsla(224, 22%, 53%, 0.32);

    --input-border: var(--button-border);

    --error-bg: hsl(33, 85%, 15%);
    --error-border: hsl(33, 85%, 15%);
    --success-bg: hsl(224, 85%, 15%);
    --success-border: hsla(224, 85%, 15%);
  }

  body.auto .logo {
    filter: invert(0.5) brightness(2);
  }
}

/* Derived */
body {
  /* derived */
  --top-nav-bg: var(--base);
  --top-nav-text: var(--ink-700);
  --sub-nav-bg: var(--stripes);
  --sub-nav-text: var(--ink-600);

  /* sizes */
  --golden-small-width: 38.19661%;
  --golden-large-width: 61.80339%;
}

/* margins */
html {
  --margin-tiny: 6px;
  --margin-small: 12px;
  --margin-medium: 20px;
  --margin-large: 30px;
  --margin-x-large: 60px;
}

@media (min-width: 768px) {
  html {
    --margin-tiny: 8px;
    --margin-small: 16px;
    --margin-medium: 32px;
    --margin-large: 48px;
    --margin-x-large: 96px;
  }
}

/* body */

body {
  font-size: 1.6rem;
  letter-spacing: -0.011em;
  /* currently ems cause chrome bug misinterpreting rems on body element */
  line-height: 1.56;
  font-weight: 400;
  color: var(--ink-900);
  background-color: var(--page-base);
  background-image: var(--page-base-gradient);
  min-height: 100vh;
  scroll-behavior: smooth;
}

/* Typography
Used: https://type-scale.com/ for sizes
–––––––––––––––––––––––––––––––––––––––––––––––––– */
html {
  --letter-spacing-13: -0.003em;
  --letter-spacing-14: -0.006em;
  --letter-spacing-15: -0.009em;
  --letter-spacing-16: -0.011em;
  --letter-spacing-17: -0.013em;
  --letter-spacing-18: -0.014em;
  --letter-spacing-19: -0.015em;
  --letter-spacing-20: -0.016em;
  --letter-spacing-24: -0.02em;
  --letter-spacing-button: 0.1em;
}

h1,
h2,
h3,
.heading-spacing {
  margin: 0.67em 0;
  text-wrap: balance;
}

@media (min-width: 992px) {
  h1,
  h2,
  h3,
  .heading-spacing {
    /* we can remove top margin on headings
        as nav adds the margin */
    margin-top: 0;
  }
}

h1,
h2,
h3,
.h1,
.h2,
.h3 {
  font-weight: 500;
}

h1,
.h1 {
  font-size: 2.8rem;
  line-height: 1.214;
  letter-spacing: -0.019em;
}

h2,
.h2,
article h1 {
  font-size: 2.2rem;
  line-height: 1.1818;
  letter-spacing: -0.018em;
}

h3,
.h3,
article h2 {
  font-size: 1.9rem;
  line-height: 1.2105;
  letter-spacing: -0.016em;
}

article h3 {
  font-size: 1.8rem;
  line-height: 1.24;
  letter-spacing: -0.014em;
}

/* Tablet onwards */
@media (min-width: 768px) {
  h1,
  .h1 {
    font-size: 4rem;
    line-height: 1.225;
    letter-spacing: -0.022em;
  }

  h2,
  .h2 {
    font-size: 2.8rem;
    line-height: 1.214;
    letter-spacing: -0.019em;
  }

  h3,
  .h3 {
    font-size: 1.9rem;
    line-height: 1.2105;
    letter-spacing: -0.016em;
  }
}

p {
  margin: 0.5em 0 1em;
}

.title {
  text-transform: uppercase;
  font-feature-settings: "cpsp" on;
  font-weight: 600;
  letter-spacing: 0.13em;
}

.shrink-text {
  min-width: 40px;
  text-overflow: ellipsis;
  overflow: hidden;
  white-space: nowrap;
  flex-shrink: 2;
}

/* Containers */
html {
  --container-width: 100%;
  --container-padding: 20px;
}

.container {
  box-sizing: border-box;

  margin-left: auto;
  margin-right: auto;
  width: var(--container-width);

  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

@media (min-width: 768px) {
  html {
    --container-padding: 24px;
  }
}

@media (min-width: 992px) {
  html {
    --container-width: calc(100% - 48px);
  }
}

@media (min-width: 1200px) {
  html {
    --container-width: calc(100% - 96px);
  }
}

@media (min-width: 1400px) {
  html {
    --container-width: 90%;
  }
}

/* Cards */
.card {
  background: var(--base);
  box-shadow: 0 16px 20px -24px hsla(219, 37%, 18%, 0.24);

  margin-bottom: var(--margin-medium);

  /* cards are like container, but with an outside island */
  --card-margin: calc(-1 * var(--container-padding));
  --card-padding: var(--container-padding);
  margin-left: var(--card-margin);
  margin-right: var(--card-margin);
  padding: var(--card-padding);
}

.no-card-margin {
  --card-margin: 0;
}

.card.card-small {
  --card-radius: 8px;
  border-radius: var(--card-radius);
}

.card h1,
h2,
h3 {
  margin-top: 0;
  margin-bottom: 0.35em;
}

@media (min-width: 768px) {
  .card.card-medium {
    --card-radius: 12px;
    border-radius: var(--card-radius);
  }

  .card.card-medium,
  .card.card-large {
    box-shadow: 0 20px 20px -24px hsla(219, 37%, 18%, 0.24);
  }
}

@media (min-width: 992px) {
  .card.card-large {
    --card-radius: 16px;
    border-radius: var(--card-radius);
    box-shadow: 0 23px 20px -24px hsla(219, 37%, 18%, 0.24);
  }
}

.fill-card-width {
  margin-left: calc(-1 * var(--card-padding));
  margin-right: calc(-1 * var(--card-padding));
}

.fill-card-width > table tr td:first-child,
.fill-card-width > table tr th:first-child,
.fill-card-width #result_list tr td:first-child,
.fill-card-width #result_list tr th:first-child {
  padding-left: var(--card-padding);
}

.fill-card-width > table tr td:last-child,
.fill-card-width > table tr th:last-child,
.fill-card-width #result_list tr td:last-child,
.fill-card-width #result_list tr th:last-child {
  padding-right: var(--card-padding);
}

/* Flex */
.flex {
  display: flex;
}

.flex-column {
  display: flex;
  flex-direction: column;
  box-sizing: border-box;
}

.flex-wrap {
  flex-wrap: wrap;
}

.flex-nowrap {
  flex-wrap: nowrap;
}

.flex-center {
  align-items: center;
  justify-content: center;
}

.flex-align-center {
  align-items: center;
}

.flex-align-baseline {
  align-items: baseline;
}

.flex-align-start {
  align-items: flex-start;
}

.flex-align-end {
  align-items: flex-end;
}

.flex-end {
  flex-grow: 1;
  justify-content: flex-end;
}

.flex-space-between {
  justify-content: space-between;
}

.flex-space-around {
  justify-content: space-around;
}

.flex-baseline {
  align-items: baseline;
}

.flex-grow {
  flex-grow: 1;
}

.flex-shrink {
  flex-shrink: 1;
}

.flex-shrink-0 {
  flex-shrink: 0;
}

.flex-filler {
  flex-grow: 2;
}

/* magical flex-row */
.flex-row {
  display: flex;
  flex-wrap: wrap;
}

/* responsive flex for devices */
.flex-column-mobile {
  flex-direction: column;
}

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

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

@media (min-width: 576px) {
  .flex-column-mobile {
    flex-direction: unset;
  }

  .flex-column-mobile > .width-50-cent {
    width: 50%;
  }
}

@media (min-width: 768px) {
  .flex-column-tablet {
    flex-direction: unset;
  }
}

/* gaps */
.gap-4 {
  gap: 4px;
}

.gap-8 {
  gap: 8px;
}

.gap-12 {
  gap: 12px;
}

.gap-16 {
  gap: 16px;
}

.gap-24 {
  gap: 24px;
}

.gap-32 {
  gap: 32px;
}

.gap-48 {
  gap: 48px;
}

.gap-80 {
  gap: 80px;
}

.gap-96 {
  gap: 96px;
}

/* Gutter hack */
.flex-gap-8 {
  margin: -4px;
}

.flex-gap-8 > * {
  margin: 4px;
}

.flex-gap-12 {
  margin: -6px;
}

.flex-gap-12 > * {
  margin: 6px;
}

.flex-gap-16 {
  margin: -8px;
}

.flex-gap-16 > * {
  margin: 8px;
}

.flex-gap-24 {
  margin: -12px;
}

.flex-gap-24 > * {
  margin: 12px;
}

.flex-gap-32 {
  margin: -16px;
}

.flex-gap-32 > * {
  margin: 16px;
}

.flex-gap-48 {
  margin: -24px;
}

.flex-gap-48 > * {
  margin: 24px;
}

.flex-gap-small {
  margin: calc(-1 * var(--margin-small));
}

.flex-gap-small > * {
  margin: var(--margin-small);
}

.flex-gap-medium {
  margin: calc(-1 * var(--margin-medium));
}

.flex-gap-medium > * {
  margin: var(--margin-medium);
}

/* Links */
a,
.a {
  /*
    This color is aria complied but on darker side.
    It looks okay for lines and text but not for fills such as button
    Thus we are using hsl(220, 96%, 56%) for button: brighter
  */
  color: var(--link);
  text-decoration: none;
}

a:hover,
.a:hover {
  color: var(--link-hover);
}

.mark-visited a:visited,
.mark-visited .button:visited {
  color: var(--link-visited);
}

/* Buttons */
[disabled] {
  pointer-events: none;
  opacity: 0.5;
}

.button {
  display: inline-block;
  text-align: center;
}

.button,
button,
input[type="submit"],
input[type="reset"],
input[type="button"] {
  cursor: pointer;
  box-sizing: border-box;
}

.button,
button,
input[type="submit"],
input[type="reset"],
input[type="button"] {
  border: 1px solid var(--button-border);
  border-radius: 6px;

  padding: 6px 8px;
  font-size: 1.2rem;
  letter-spacing: 0em;

  line-height: 1.25;
  font-weight: 600;
  text-transform: uppercase;
  font-feature-settings: "cpsp" on;
  text-decoration: none;
  white-space: nowrap;
  background-color: var(--button-background);
  color: var(--ink-700);
}

.button.button-small,
.button-small {
  font-size: 1.2rem;
  padding: 5px 10px;
}

.button.button-large,
.button-large {
  padding: 16px 24px;
}

@media (min-width: 768px) {
  .button,
  button,
  input[type="submit"],
  input[type="reset"],
  input[type="button"] {
    padding: 12px 16px;
    font-size: 14px;
    letter-spacing: 0.125em;
  }

  .button.button-small,
  .button-small {
    font-size: 1.3rem;
    padding: 8px 12px;
  }

  .button.button-large,
  .button-large {
    padding: 18px 30px;
  }
}

.button:hover,
button:hover,
input[type="submit"]:hover,
input[type="reset"]:hover,
input[type="button"]:hover {
  color: var(--link-hover);
}

.button:active,
button:active,
input[type="submit"]:active,
input[type="reset"]:active,
input[type="button"]:active {
  color: var(--ink-900);
  outline: 0;
}

/* for call to action */
.button.button-primary,
button.button-primary,
input[type="submit"].button-primary,
input[type="button"].button-primary,
input[type="submit"].razorpay-payment-button {
  color: #fff;
  background-color: var(--button-primary);
  border-color: var(--button-primary);
}

.button.button-primary:hover,
button.button-primary:hover,
input[type="submit"].button-primary:hover,
input[type="button"].button-primary:hover,
.button.button-primary:active,
button.button-primary:active,
input[type="submit"].button-primary:active,
input[type="button"].button-primary:active,
input[type="submit"].razorpay-payment-button:active,
input[type="submit"].razorpay-payment-button:hover {
  color: #fff;
  background-color: var(--button-primary-hover);
}

/* secondary button for important button inside section */
.button.button-secondary,
button.button-secondary,
input[type="submit"].button-secondary,
input[type="button"].button-secondary {
  color: var(--link);
  border-color: var(--link);
  background-color: var(--button-background);
}

.button.button-secondary:hover,
button.button-secondary:hover,
input[type="submit"].button-secondary:hover,
input[type="button"].button-secondary:hover {
  color: var(--link-hover);
  border-color: var(--link-hover);
}

/* For buttons to look like link */
.a,
.button-plain {
  background: none;
  border: none;
  border-radius: unset;
  margin: 0;
  padding: 0;
  font: inherit;
  letter-spacing: unset;
  text-align: left;
  text-transform: unset;
  text-decoration: inherit;
}

/* For pseudo buttons to look like text */
.button-plain {
  color: inherit;
}

/* Forms
–––––––––––––––––––––––––––––––––––––––––––––––––– */
/* extend line-height in normalize to use common line-height */
input,
optgroup,
select,
textarea {
  line-height: 1.56;
}

input[type="search"] {
  /* Remove iOS rounding */
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
}

input[type="email"],
input[type="number"],
input[type="search"],
input[type="text"],
input[type="tel"],
input[type="url"],
input[type="password"],
textarea,
.pseudo-textarea,
select {
  border: 1.5px solid var(--input-border);
  border-radius: 6px;
  padding: 10px 14px;
  background-color: var(--button-background);
  transition:
    border 0.15s ease-in-out,
    box-shadow 0.15s ease-in-out;
  box-sizing: border-box;
  color: var(--ink-900);
}

input.small {
  font-size: 1.4rem;
  padding: 5px 10px;
}

textarea,
.pseudo-textarea {
  height: auto;
  min-height: 65px;
  padding-top: 6px;
  padding-bottom: 6px;
}

input[type="email"]:focus,
input[type="number"]:focus,
input[type="search"]:focus,
input[type="text"]:focus,
input[type="tel"]:focus,
input[type="url"]:focus,
input[type="password"]:focus,
textarea:focus,
select:focus {
  border: 1.5px solid var(--link);
  outline: 0;
}

label,
legend {
  display: block;
  margin-bottom: 12px;
  font-weight: 500;
}

fieldset {
  padding: 0;
  border-width: 0;
}

label:has([type="checkbox"]) {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: normal;
}

/* Lists
–––––––––––––––––––––––––––––––––––––––––––––––––– */
ul {
  list-style: disc;
  padding-left: 16px;
}

ol {
  list-style: decimal;
}

ol,
ul {
  margin-top: 0;
}

ul ul,
ul ol,
ol ol,
ol ul {
  margin: 1.5rem 0 1.5rem 3rem;
  font-size: 90%;
  letter-spacing: var(--letter-spacing-14);
}

li {
  margin-bottom: 1rem;
}

/* Code
–––––––––––––––––––––––––––––––––––––––––––––––––– */
code {
  padding: 0.2rem 0.5rem;
  margin: 0 0.2rem;
  font-size: 90%;
  white-space: nowrap;
  background: var(--page-base);
  border: 1px solid var(--border-color);
  border-radius: 4px;
}

pre > code {
  display: block;
  padding: 1rem 1.5rem;
  white-space: pre;
  overflow: scroll;
}

/* Tables
we don't collapse tables because collapse causes issues with radius
–––––––––––––––––––––––––––––––––––––––––––––––––– */
th,
td {
  padding: 8px;
  text-align: left;
  border-bottom: 1px solid var(--lines);
}

/* Utilities
–––––––––––––––––––––––––––––––––––––––––––––––––– */
.u-full-width {
  width: 100%;
  box-sizing: border-box;
}

.u-max-full-width {
  max-width: 100%;
  box-sizing: border-box;
}

/* Tooltips */
/* new tooltip */
.has-tooltip {
  position: relative;
}

.has-tooltip:hover .tooltip {
  display: block;
  pointer-events: initial;
}

.tooltip {
  display: none;
  pointer-events: none;

  background-color: var(--ink-900);
  border-radius: 6px;
  padding: 12px;
  box-shadow: 0px 4px 64px rgba(0, 0, 0, 0.32);
  transition: all 0.15s ease;

  font-weight: normal;
  font-size: 0.9em;
  text-align: center;
  color: var(--base);

  /* Position */
  bottom: 100%;
  left: 50%;
  position: absolute;
  transform: translate(-50%, -8px);

  z-index: 1;
}

/* old tooltips */
@media (hover) {
  [data-tooltip]:before {
    position: absolute;
    content: attr(data-tooltip);
    display: none;
    pointer-events: none;

    /* own styling */
    border-radius: 4px;
    color: var(--ink-900);
    background-color: var(--base);
    box-shadow: 0 2px 4px 0 hsla(0, 0%, 0%, 0.2);
    padding: 10px;
    transition: all 0.15s ease;
    margin-top: -50px;
    margin-left: -30px;

    /* Allow to overflow container */
    white-space: nowrap;

    /* fix for buttons and navs */
    line-height: 1;
    text-transform: none;
    letter-spacing: normal;
    font-weight: normal;
  }

  [data-tooltip]:hover:before {
    display: block;
  }

  /* Wrap tooltip if needed */
  [data-tooltip].tooltip-wrap:before {
    white-space: normal;
  }

  /* Position tooltip as needed */
  [data-tooltip].tooltip-bottom:before {
    margin-top: 50px;
  }

  [data-tooltip].tooltip-left:before {
    margin-top: 0;
    margin-right: 110%;
    right: 0;
  }
}

/* Misc
–––––––––––––––––––––––––––––––––––––––––––––––––– */
hr {
  margin-top: 3rem;
  margin-bottom: 3.5rem;
  border-width: 0;
  border-top: 1px solid var(--border-color);
}

.flex hr,
.flex-row hr {
  flex-grow: 1;
}

/* Print CSS */
@media print {
  body {
    background: white;
  }

  .no-print {
    display: none !important;
  }
}