/* @import url('https://fonts.googleapis.com/css?family=Open+Sans+Condensed:500,700|Raleway:700|Roboto'); */
@import url('https://fonts.googleapis.com/css2?family=Lato:wght@300;400;700&family=Source+Sans+Pro:wght@200;300;400&display=swap');
@import url('https://fonts.googleapis.com/css2?family=DM+Mono:wght@300;400;500&display=swap');
/* @import url('https://fonts.googleapis.com/css2?family=Indie+Flower&display=swap'); */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Livvic:wght@700&family=Palanquin+Dark&display=swap');

:root {
    /* --content-font: "Source Sans Pro", "Helvetica Neue", Helvetica, Arial, sans-serif; */
    --heading-font: 'Inter', sans-serif;
    --content-font: "Inter", "Helvetica Neue", Helvetica, Arial, sans-serif;
    --footer-font:  "DM Mono", monospace;

    --heading-margin: 4pt 1pt;
    --header-padding: 6pt 0pt;
    --content-margin: 2.5pt 1pt;

    --content-font-size:    1.2rem;
    --navbar-font-size:     1.1rem;
    --small-font-size:      1rem;
    --x-small-font-size:    0.9rem;
    
    --navbar-vertical-padding: 24px;
    --navbar-height: calc(var(--navbar-font-size) + 2*var(--navbar-vertical-padding) + 2px);

    --footer-height: 60px;
    --footer-vertical-padding: 20px;

    --article-max-width: 800px;
    --content-max-width: 1250px;

    --colour-main:          128, 217, 255; /*  77, 201, 255; rgb(33, 188, 255) */
    --colour-accent:        26, 140, 255;
    --colour-accent-hsl:    210, 100%, 55%;
    --colour-background:    255, 255, 255;
    --colour-badge:         211, 211, 247;
    --colour-badge-text:    66, 40, 151;
    --colour-card-footer:   163, 242, 255;
    --colour-nav-hover:     0, 54, 77;
    --colour-text:          0, 0, 0;
    --colour-text-dull:     51, 51, 51;
    --colour-block-background: 238, 238, 238;
    --nav-shadow: 0px 5px 10px 0px rgba(0, 0, 0, 0.2);
    --darken-gradient: linear-gradient(
        rgba(0, 0, 0, 0.1), 
        rgba(0, 0, 0, 0.1)
    );
}

/* Set sane defaults to work from */
* {
    margin: 0px;
    padding: 0px;
}
:not(pre, code, mjx-container, mjx-math, mjx-c, mjx-mo, mjx-mi, mjx-mrow, mjx-script, mjx-mn, mjx-msup, mjx-msub, mjx-mstyle, mjx-utext) {
    font-family: var(--content-font);
}
header,section,footer,aside,nav,article,hgroup { display: block; }

/* Body */
body {
    text-align: center;
    background-color: var(--colour-background);
}

/* Headers */
h1,h2 {
    font-family: var(--heading-font);
    font-weight: 700;
    margin: var(--heading-margin)
}
h3,h4,h5,h6 {
    font-family: var(--content-font);
    font-weight: 600;
    margin: var(--heading-margin);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.7rem;}
h4 { font-size: 1.5rem; }
h5 { font-size: 1.4rem; }
h6 { font-size: 1.3rem; }

header:not(body > header) { padding: var(--header-padding); }

/* Font for main content */
p, details {
    font-family: var(--content-font);
    font-size: var(--content-font-size);
    font-weight: 500;
    margin: var(--content-margin);
}

/* Link colours */
a:link      { color: rgb(var(--colour-text)); }
a:visited   { color: rgb(var(--colour-text)); }
a:hover     { color: rgb(var(--colour-text-dull)); }
a:active    { color: rgb(14, 9, 44); }

/* Blockquotes and code */
blockquote, pre {
    padding: 1rem;
    margin: 0.5rem 0;
    background: rgba(var(--colour-block-background));
}
pre * {
    font-family: monospace !important;
    font-size: var(--small-font-size);
}

/* Details */
details {
    background: rgba(var(--colour-background), 0.5);
    padding: 8px;
    border-radius: 8px;
}
details hr {
    color: rgb(var(--colour-text-dull));
    margin-top: 8px;
}
details .details_content {
    font-family: var(--content-font);
    padding: 8px;
}
details summary {
    font-family: var(--footer-font);
    font-weight: normal;
}

/* Buttons */
.button {
    display: inline-block;
    margin: 0.2rem 0.2rem;
    padding: 1rem 1.6rem;
    border-radius: 0.5rem;
    color: white !important;
    font-size: var(--content-font-size);
    font-family: var(--content-font);
    font-weight: 600;
    text-align: center;
    text-decoration: none;
    background: rgb(var(--colour-accent));
}
.button:hover {
    background: var(--darken-gradient), rgb(var(--colour-accent));
}
.button:active {
    background: var(--darken-gradient), var(--darken-gradient), rgb(var(--colour-accent));
    box-shadow: 0px 0px 0px 2pt rgb(var(--colour-accent), 0.5);
}

/* Badges */
.badge {
    border-radius: 0.5rem;
    background-color: rgb(var(--colour-badge));
    color: rgb(var(--colour-badge-text));
    padding: 0.5rem 1rem;
    margin: 0.2rem 0.2rem;
    font-weight: 600;
    font-size: var(--small-font-size);
}

.badge_small {
    border-radius: 0.25rem;
    background-color: rgb(var(--colour-badge));
    color: rgb(var(--colour-badge-text));
    padding: 0.25rem 0.5rem;
    margin: 0 0.1rem 0 0;
    font-weight: 600;
    font-size: var(--x-small-font-size);
}

/* Cards */
.card {
    padding: 0px;
    margin: 15px;
    background: rgb(var(--colour-background));
    border-bottom: 1px solid rgb(100, 100, 100);
    box-shadow: 0px 10px 20px 0px rgba(0, 0, 0, 0.5);
    border-radius: 8px;
    overflow: hidden;
}
.card > picture {
    display: flex;
    align-items: center;
    height: 200px;
    overflow: hidden;
}
.card > picture > img { flex-grow: 1; width: 100%; }
.card header                            { padding: 10px 10px 15px 10px; }
.card :is(h3,h4), .card :is(h3,h4) a    { font-family: var(--content-font); }
.card h4                                { font-weight: 600; }
.card main                              { margin: 10pt; }
.card_footer {
    text-align: right;
    margin: 0;
    padding: 5px 10px;
    background: rgb(var(--colour-card-footer));
    font-size: 16pt;
    font-weight: 400;
}

/* Top bar */
#top_bar {
    background-color: rgb(var(--colour-main));
    box-shadow: var(--nav-shadow);
    position: sticky;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100; /* Show on top of other elements */
}
.navbar {
    text-align: center;
    height: var(--navbar-height);
    display: flex;
    align-items: center;
    margin: auto;

    /* Make the navbar full width */
    max-width: var(--content-max-width);
}
.navbar > a {
    padding: 8px;
    text-decoration: none;
}
.navbar .menu_button {
    padding: 16px;
    border-radius: 0;
    border: none;
    background: none;
    display: none;
}
.navbar .menu_button:hover {
    background-color: rgb(var(--colour-nav-hover));
}
.navbar .menu_button:hover img {
    filter: invert();
}
.navlinks {
    height: 100%;
    flex-grow: 1;
    overflow: hidden;
    display: flex;
    margin: 0px auto;
    list-style-type: none;
}
.navlinks li {
    display: inline-block;
}
.navlinks li a {
    padding: 0px 16px;
    height: 100%;
    /* padding: var(--navbar-vertical-padding) 16px; */
    /* display: block; */
    display: flex;
    align-items: center;

    /* Set the font and text size */
    font-family: var(--content-font);
    font-size: var(--navbar-font-size);
    font-weight: 500;
    text-align: center;

    /* Hide the list bullet points */
    text-decoration: none;
    /* Set colours */
    color: black;
}
.navlinks li a:hover {
    background-color: rgb(var(--colour-nav-hover));
    color: white;
}
/* Side menu */
.sidenav {
    height: 100%;
    width: 0;
    display: none;
    position: fixed;
    z-index: 1;
    top: 0;
    left: 0;
    background-color: rgb(var(--colour-main));
    overflow-x: hidden;
    transition: 0.5s;
    padding-top: 60px;
    box-shadow: var(--nav-shadow);
}
.sidenav .closebtn {
    position: absolute;
    top: 0;
    right: 25px;
    font-size: 36px;
    margin-left: 50px;
}
.sidenav .navlinks      { flex-direction: column; }
.sidenav .navlinks li   { padding: 8px; }
.sidenav .navlinks li a { padding: 8px; }

/* Footer */
#bottom_footer{
    clear: both;
    text-align: center;
    padding: var(--footer-vertical-padding) 0; /* 20px vertical; 0px horizontal */
    height: var(--footer-height);
    bottom: 0;
    width: 100%;
    clear: both;
    text-align: center;
    border-top: 1px solid black;
}
#bottom_footer * {
    font-family: var(--footer-font);
    font-weight: 500;
    font-size: var(--small-font-size);
}

/* Main content container */
#main_content {
    min-height: calc(100vh - var(--navbar-height) - var(--footer-height) - 2*var(--footer-vertical-padding) - 2px); /* To push footer to bottom of page */
    margin: auto;
    text-align: left;
    background-color: var(--colour-background);
}

/* Sections, content and columns */
.full_width_section {
    width: 100%;
}
.full_width_section > header {
    max-width: var(--content-max-width);
    margin: auto;
    text-align: center;
    padding: 16pt 16px 0;
    box-sizing: border-box;
}
.full_width_section > .section_content {
    max-width: var(--content-max-width);
    margin: auto;
    text-align: left;
    display: flex;
    /* grid-template-columns: 50% 50%; */
    /* min-height: 0; */
    /* min-width: 0; */
    flex-direction: row;
}
.section_content > .column {
    flex: 1;
    margin: 0px 16px;
    padding-top: 16px;
    padding-bottom: 16px;
}
.section_content > .column.no_vert_margin {
    /* flex: 1; */
    /* margin-bottom: -16px; This feels a bit hacky */
    padding-bottom: 0px;
}
.section_content :is(p,summary), .section_content :is(p,summary) * {
    font-family: var(--content-font);
    font-weight: 500;
    font-size: var(--content-font-size);
}
.section_content li {
    font-family: var(--content-font);
    font-weight: bold;
    list-style: disc;
    font-size: var(--content-font-size);
    margin-left: 20px;
}

.card_grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    min-height: 0;
    min-width: 0;
    row-gap: 16px;
}
.card_grid > .card {
    margin: 0px 16px;
    overflow: hidden;
    min-width: 0;
}

/* Social icons */
.social-icon {
    width:  24pt;
    height: 24pt;
    position: relative;
    top: 6pt;
}

/* Post styles */
.post           { max-width: var(--article-max-width); }
.post img       { padding-right: 8px; }
.post .title    { margin-bottom: 0; }
.post .date {
    text-align: left;
    flex: 1;
    color: rgb(var(--colour-text-dull));
    display: flex;
    align-items: center;
    font-size: medium;
    margin-bottom: 0.8rem;
}

/* Responsiveness for small screens */
@media screen and (max-width: 800px) {
    /* Hide nav links in top bar, show menu icon */
    .navbar .navlinks { display: none; }
    .navbar .menu_button { display: inline; }

    /* Put columns on top of each other */
    .full_width_section .section_content {
        flex-direction: column;
    }
    .card_grid, .grid_2col {
        grid-template-columns: 100%;
    }
}