/*

Copyright 2019 Google LLC

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    https://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.

*/

.animation {
	transition: background 4s; /* To show effect of adding .in-view class */
	animation: example-animation 1s infinite alternate;
	animation-play-state: paused;
	padding: 3em;
}

.animation.in-view {
	background: black;
	animation-play-state: running;
}

@keyframes example-animation {
	from {
		color: red;
	}

	to {
		color: lime;
	}
}

:root {
	--character-grid-cell: 4rem;
	--character-grid-font-zize: 3rem;
	--character-grid-gap: 0;
}

.sticky {
	position: -webkit-sticky;
	position: sticky;
	top: 0;
}

ol {
	margin: 0;
	padding: 0;
}

.container-glyphs {
	display: grid;
	grid-template-columns: 1fr 2fr;
	grid-template-rows: 1fr;
	gap: 1px 1px;
	grid-template-areas: "glyphs preview ";
}

.character-grid-zoom {
	grid-area: glyphs;
	background: var(--background);
	font-size: 28vw;
	padding: 2vw;
	text-align: center;
}

.character-grid {
	grid-area: preview;
	list-style-type: none;
	padding: 0;
	display: grid;
	grid-template-columns: repeat(
		auto-fill,
		minmax(var(--character-grid-cell), 1fr)
	);
	column-gap: var(--character-grid-gap);
	row-gap: var(--character-grid-gap);
	font-size: var(--character-grid-font-zize);
	border-right: 1px solid var(--grey-dark);
	border-bottom: 1px solid var(--grey-dark);
	background: var(--background);
}

.character-grid > li {
	height: var(--character-grid-cell);
	display: flex;
	justify-content: center;
	align-items: center;
	border-top: 1px solid var(--grey-dark);
	border-left: 1px solid var(--grey-dark);
}

.character-grid > li:hover {
	cursor: pointer;
	background-color: var(--grey-light);
}

@font-face {
    font-family: "Sixtyfour";
    src: url(./fonts/Sixtyfour[wdth,wght].ffaf4eff5cd6d6cddf71b4a2876c8208.ttf);
    font-weight: 200 900;
    font-stretch: 100 200;
}

body {
    font-family: "Sixtyfour", monospace;
}

:root {
    --wght: 200;
    --wdth: 100;
}

*, *::before, *::after {
    font-variation-settings: "wght" var(--wght),"wdth" var(--wdth);
}

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

html,
body {
	padding: 0;
	margin: 0;
}

ol,
ul {
	list-style-type: none;
	padding: 0;
}

.interactive-controls {
	--label-width: 7em;
}

.interactive-controls-text {
	font-size: calc(var(--font-size) * 1px);
	line-height: var(--line-height);
}

.interactive-controls-instances,
.interactive-controls-sliders li {
	display: flex;
}

.interactive-controls label {
	flex: none;
	min-width: var(--label-width);
}

.interactive-controls-instances select,
.interactive-controls-slider {
	width: 100%;
}

main {
	max-width: 90rem;
	margin: 0 auto;
	display: none;
}

.fonts-loaded main {
	display: block;
}

/* Show big fat loading screen, and a message when font failed to load */

.loading-message {
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
	bottom: 0;
	display: flex;
	justify-content: center;
	align-items: center;
	background: #000;
	color: #fff;
	font-family: monospace;
	pointer-events: none;
	-webkit-user-select: none;
	   -moz-user-select: none;
	    -ms-user-select: none;
	        user-select: none;
}

.loading-message-failed,
.fonts-loaded .loading-message,
.fonts-failed .loading-message-loading {
	display: none;
}

.fonts-failed .loading-message-failed {
	display: inline;
}

.variable-support-message {
	display: block;
}

@supports (font-variation-settings: normal) {
	.variable-support-message {
		display: none;
	}
}

html {
	--light: #fff;
	--dark: #000;
	--grey-light: #eee;
	--grey-mid: #999;
	--grey-dark: #666;
	--text: var(--dark);
	--background: var(--light);
	--font-system: 'Inter', sans-serif;
}

html[data-dark-mode="true"] {
	--text: var(--light);
	--background: var(--dark);
}

body {
	color: var(--text);
	background-color: var(--background);
	transition-duration: 200ms;
	transition-property: color, background-color;
	transition-timing-function: ease;
}

main {
	max-width: 90rem;
	padding: 0 3vw;
}

/* Container: Setting */

.container {
	border-top: 1px solid var(--text);
	padding: 0;
}

.setting {
	display: grid;
	grid-template-columns: 1fr 1fr;
	grid-gap: 2rem;
}

.column-1 {
	grid-column: 1;
}

.column-2 {
	grid-column: 2;
}

.setting p {
	margin: 0.6em 0 0.4em 0;
	padding: 0;
}

/* Spacing utility classes */

.m-1u {margin-top: 1rem;}

.m-2u {margin-top: 2rem;}

.m-3u {margin-top: 3rem;}

.m-4u {margin-top: 4rem;}

.m-5u {margin-top: 5rem;}

.p-1u {padding-top: 1rem;}

.p-2u {padding-top: 2rem;}

.p-3u {padding-top: 3rem;}

.p-4u {padding-top: 4rem;}

.p-5u {padding-top: 5rem;}

/* Typesetting utility classes */

.italic {
	font-style: italic;
}

/* Font sizes (relative to viewport) */

.type-8xl {
	font-size: clamp(5rem, 25vw, 21rem);
	padding: 0;
	margin: 0;
}

.type-7xl {
	font-size: clamp(4rem, 17vw, 17.5rem);
	padding: 0;
	margin: 0;
}

.type-6xl {
	font-size: clamp(3rem, 15vw, 15.5rem);
	padding: 0;
	margin: 0;
}

.type-5xl {
	font-size: clamp(2rem, 14vw, 14rem);
	padding: 0;
	margin: 0;
}

.type-4xl {
	font-size: clamp(1.6rem, 6vw, 8rem);
	padding: 0;
	margin: 0;
}

.type-3xl {
	font-size: clamp(3rem, 5vw, 6.2rem);
}

.type-2xl {
	font-size: clamp(1.8rem, 3vw, 3.4rem);
}

.type-xl {
	font-size: clamp(1.4rem, 2vw, 2.8rem);
}

.type-l {
	font-size: clamp(1.3rem, 1.6vw, 1.8rem);
}

.type-m {
	font-size: clamp(1.2rem, 1.4vw, 1.6rem) 
}

.type-s {
	font-size: 0.8rem;
}

.type-xs {
	font-size: 0.7rem;
}

.type-2xs {
	font-size: 0.6rem;
}

.type-3xs {
	font-size: 0.5rem;
}

/* font weights EXPERIMENTAL */

.fw100 {
	font-variation-settings: "wght" 100;
}

.fw200 {
	font-variation-settings: "wght" 200;
}

.fw300 {
	font-variation-settings: "wght" 300;
}

.fw400 {
	font-variation-settings: "wght" 400;
}

.fw500 {
	font-variation-settings: "wght" 500;
}

.fw600 {
	font-variation-settings: "wght" 600;
}

.fw700 {
	font-variation-settings: "wght" 700;
}

.fw800 {
	font-variation-settings: "wght" 800;
}

.fw900 {
	font-variation-settings: "wght" 900;
}

/* Line height */

.lh08 {
	line-height: 0.8;
}

.lh09 {
	line-height: 0.9;
}

.lh10 {
	line-height: 1;
}

.lh11 {
	line-height: 1.1;
}

.lh12 {
	line-height: 1.2;
}

.lh13 {
	line-height: 1.3;
}

.lh14 {
	line-height: 1.4;
}

/* Alignment */

.align-centre {
	text-align: center;
}

.align-justify {
	text-align: justify;
}

.align-left {
	text-align: left;
}

.align-right {
	text-align: right;
}

/* Meta */

.meta {
	font-family: var(--font-system);
	text-transform: uppercase;
	letter-spacing: 1px;
	font-size: 0.7em;
	color: var(--grey-mid);
}

/* Columns */

.columns-2 {
	column-count: 2;
	column-gap: 1em;
}

.columns-3 {
	column-count: 3;
	column-gap: 0.8em;
}

/* Button styles */

.btn {
	padding: 8px 8px 5px 8px;
}

.active {
	background: var(--grey-mid);
}

.active a {
	color: var(--grey-mid);
}

button {
	padding: 0.5rem;
	border: none;
	font: inherit;
	color: inherit;
	background-color: transparent;
	cursor: pointer;
  }

button svg {
	transition: all 200ms ease;
	fill: var(--text);
  }

/* Preview layout */

.interactive-controls {
	display: grid;
	grid-template-columns: 4fr 1fr;
	grid-template-rows: 1fr;
	gap: 1px 1px;
	grid-template-areas: "preview controls";
}

.controls {
	grid-area: controls;
	border-left: 1px solid #000;
	padding-left: 1vw;
	font-family: var(--font-system);
}

.interactive-controls-text {
	grid-area: preview;
	padding: 0 50px 0 0;
}

[contenteditable] {
	outline: 0px solid transparent;
}

.interactive-controls label {
	font-size: 0.8rem;
	font-weight: 400;
}

/* Range slider */

input[type="range"] {
	height: 2em;
	-webkit-appearance: none;
	width: 100%;
	background-color: var(--background);
}

input[type="range"]:focus {
	outline: none;
}

/* Webkit styles */

input[type="range"]::-webkit-slider-runnable-track {
	width: 100%;
	height: 1px;
	cursor: pointer;
	background: var(--text);
	border-radius: 0px;
	border: 0px solid var(--text);
}

input[type="range"]::-webkit-slider-thumb {
	box-shadow: 0px 0px 0px var(--text);
	border: 3px solid var(--background);
	height: 17px;
	width: 17px;
	border-radius: 12px;
	background: var(--text);
	cursor: pointer;
	-webkit-appearance: none;
	margin-top: -8px;
}

input[type="range"]:focus::-webkit-slider-runnable-track {
	background: var(--text);
}

/* Moz styles */

input[type="range"]::-moz-range-track {
	width: 100%;
	height: 1px;
	cursor: pointer;
	background: var(--text);
}

input[type="range"]::-moz-range-thumb {
	border: 3px solid var(--background);
	height: 12px;
	width: 12px;
	border-radius: 9px;
	background: var(--text);
	cursor: pointer;
}

/* IE styles */

input[type="range"]::-ms-track {
	width: 100%;
	height: 4px;
	cursor: pointer;
	background: transparent;
	border-color: transparent;
	color: transparent;
}

input[type="range"]::-ms-fill-lower {
	background: #000000;
	border: 0px solid #000000;
	border-radius: 0px;
	box-shadow: 0px 0px 0px #000000;
}

input[type="range"]::-ms-fill-upper {
	background: #000000;
	border: 0px solid #000000;
	border-radius: 0px;
	box-shadow: 0px 0px 0px #000000;
}

input[type="range"]::-ms-thumb {
	margin-top: 1px;
	box-shadow: 0px 0px 0px #000000;
	border: 0px solid #000000;
	height: 20px;
	width: 20px;
	border-radius: 10px;
	background: #000000;
	cursor: pointer;
}

input[type="range"]:focus::-ms-fill-lower {
	background: #000000;
}

input[type="range"]:focus::-ms-fill-upper {
	background: #000000;
}

/* Cursor 

.interactive-controls-text h1 span::after {
	content: "";
	position: relative;
	top: 10px;
	right: -15px;
	display: inline-block;
	background-color: #606060;
	vertical-align: top;
	width: 0.5rem;
	height: calc(var(--font-size) * 2px);
	-webkit-animation: blink 1s step-end infinite;
	animation: blink 1s step-end infinite;
  }
  
  @-webkit-keyframes blink {
	0% { opacity: 1.0; }
	50% { opacity: 0.0; }
	100% { opacity: 1.0; }
  }
  
  @keyframes blink {
	0% { opacity: 1.0; }
	50% { opacity: 0.0; }
	100% { opacity: 1.0; }
  }

  */

/* Masthead */

.masthead {
	display: grid;
	grid-template-columns: 4fr 1fr;
	grid-template-rows: 1fr;
	gap: 1px 1px;
	grid-template-areas: "title meta";
}

.masthead-title {
	grid-area: title;
}

.masthead-meta {
	grid-area: meta;
	font-size: 0.8rem;
	font-family: var(--font-system);
	line-height: 1.3;
	padding-left: 1vw;
}

.button {
	background-color: var(--text);
	display: inline-block;
	padding: 1em 3em;
	margin: 2em 0 0 0;
	color: var(--background);
	text-decoration: none;
	font-weight: 600;
	border: 1px solid var(--background);
}

.button:hover {
	background-color: var(--background);
	color: var(--text);
	border: 1px solid var(--text);
	transition-duration: 200ms;
	transition-property: color, background-color;
	transition-timing-function: ease;
}