/* 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: #222;
    color: var(--ink-900);
    background-color: #f1f1f1;
    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: -0.020em;
    --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 {
    font-size: 1.9rem;
    line-height: 1.2105;
    letter-spacing: -0.016em;
}

/* 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: 100%;
    width: var(--container-width);

    padding-left: 24px;
    padding-right: 24px;
    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: white;
    background: var(--base);
    box-shadow: 0 16px 20px -24px hsla(219, 37%, 18%, 0.24);

    margin-bottom: 24px;
    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: 20px;
    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: -ms-flexbox;
    display: flex;
}

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

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

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

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

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

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

.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-filler {
    flex-grow: 2;
}

/* magical flex-row */
.flex-row {
    display: -ms-flexbox;
    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-24 {
    gap: 24px;
}

.gap-32 {
    gap: 32px;
}

/* 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.label-body {
    font-weight: normal;
}

label.label-body>span {
    margin-left: 0.5rem;
}

/* 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;
        border-radius: 4px;
        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;
    }
}