@font-face {
	font-family: "Oxygen";
	src: url("assets/oxygen-regular.ttf");
}

@font-face {
	font-family: "Cousine";
	src: url("assets/cousine-regular.ttf");
}

* {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
	font-family: "Cousine", monospace;
	font-size: 20px;

	--standard-padding: 0.65rem;
	--standard-border-radius: 0.2rem;
	--message-letter-size: 1.5rem;
	--message-letter-height: 1.75rem;
	--message-gap: 0.4rem;

	--col-generic-text-dark: #1f222d;
	--col-bg: #2d3744;
	--col-panel-bg: #292e37;
	--col-panel-fg: #444d59;

	--col-toggle-button: #424a54;
	--col-toggle-button-active: #626975;
	--col-toggle-button-hovered: #969fac;
	--col-toggle-button-label: #848e9c;
	--col-toggle-button-label-active: #b4beca;
	--col-toggle-button-label-hovered: #e7ebef;

	--col-button: #8c949e;
	--col-button-hovered: #6a707a;

	--col-message-indices-colour: #222329;
	--col-message-letter-bg: #4c5663;
	--col-message-letter-colour: #34343a;

	--col-isomorph-bg: #2e353d;
	--col-isomorph-pattern-bg: #8c949e;
	--col-isomorph-label-color: #fefefe;
	--col-isomorph-score-color: #ababab;
	--col-isomorph-selected-bg: #576171;
	--col-isomorph-selected-pattern-bg: #a7b1bd;
	--col-isomorph-hover-bg: #6c7787;
	--col-isomorph-hover-pattern-bg: #c3cbd4;

	--col-isomorph-instance-hovered: #3c434c;
	--col-isomorph-instance-indices-bg: #4e5764;
}

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

#main-content {
	display: flex;
	flex-direction: column;
	padding: 1rem;
	display: flex;
	flex-direction: column;
	gap: 1rem;
}

@media (min-width: 1600px) {
	#main-content {
		max-width: 1600px;
		margin: 0 auto;
	}
}

/* ------------------------------------------- */

#messages-view {
	position: relative;
	border-radius: var(--standard-border-radius);
	display: flex;
	flex-direction: column;
	gap: var(--standard-padding);
	padding: var(--standard-padding);
	background-color: var(--col-panel-bg);
}

.toolbar {
	display: flex;
	flex-direction: row;
	align-items: center;
	gap: var(--standard-padding);
}

.toolbar-option {
	display: flex;
	flex-direction: row;
	align-items: center;
	justify-content: center;
	padding: 0.3rem;
	border-radius: var(--standard-border-radius);
	background-color: var(--col-toggle-button);
	cursor: pointer;
	user-select: none;
}

.toolbar-option.active {
	background-color: var(--col-toggle-button-active);
}

.toolbar-option:hover {
	background-color: var(--col-toggle-button-hovered);
}

.toolbar-option-label {
	color: white;
	height: 1rem;
	padding: 0 var(--standard-padding);
	text-align: center;
}

.toolbar-option-image {
	flex-shrink: 0;
	width: var(--message-letter-size);
	height: var(--message-letter-size);
	border-radius: var(--standard-border-radius);
	display: flex;
	justify-content: center;
	align-items: center;
	background-color: var(--col-toggle-button-label);
	cursor: pointer;
}

.toolbar-option-image img {
	object-fit: contain;
	max-width: 100%;
	max-height: 100%;
	width: 60%;
}

.toolbar-option.active .toolbar-option-image {
	background-color: var(--col-toggle-button-label-active);
}

.toolbar-option:hover .toolbar-option-image {
	background-color: var(--col-toggle-button-label-hovered);
}

#messages-container {
	position: relative;
	display: flex;
	flex-direction: row;
	background-color: var(--col-panel-fg);
	border-radius: var(--standard-border-radius);
	overflow: hidden;
	overflow-x: auto;
}

#messages-letter-indices {
	position: absolute;
	display: flex;
	flex-direction: row;
	gap: var(--message-gap);
}

#messages-row-indices {
	margin-top: var(--message-letter-size);
	position: sticky;
	left: 0;
	display: flex;
	flex-direction: column;
	gap: var(--message-gap);
	padding-top: var(--message-gap);
	background-color: var(--col-panel-fg);
}

#messages-list {
	margin-top: var(--message-letter-size);
	display: flex;
	flex-direction: column;
	padding: var(--message-gap);
	gap: var(--message-gap);
}

#messages-letter-indices div,
#messages-row-indices div {
	flex-shrink: 0;
	width: var(--message-letter-size);
	height: var(--message-letter-size);
	text-align: center;
	line-height: var(--message-letter-height);
	color: var(--col-message-indices-colour);
}

.main-message {
	display: flex;
	gap: var(--message-gap);
}

.main-message div {
	flex-shrink: 0;
	width: var(--message-letter-size);
	height: var(--message-letter-size);
	border-radius: var(--standard-border-radius);
	text-align: center;
	line-height: var(--message-letter-height);
	background-color: var(--col-message-letter-bg);
	color: var(--col-message-letter-colour);
}

.main-message div.highlighted {
	box-shadow: 0 0 0.4rem 0.05rem rgba(0, 0, 0, 0.2);
}

.main-message div.warning {
	outline: 0.1rem solid red;
}

#messages-input {
	display: block;
	width: 100%;
	height: 15rem;
	border-radius: var(--standard-border-radius);
	background-color: #6d747c;
	color: #2c2c31;
	padding: var(--standard-padding);
	font-family: "Cousine", monospace;
	font-size: 20px;
	resize: none;
	outline: none;
	border: none;
	text-wrap: nowrap;
	overflow: auto;
}

/* ------------------------------------------- */

#mid-container {
	display: flex;
	flex-direction: row;
	align-items: center;
	justify-content: center;
	gap: 1rem;
}

/* ------------------------------------------- */

#isomorph-calculator {
	border-radius: var(--standard-border-radius);
	background-color: var(--col-panel-bg);
	width: 16rem;
	flex-shrink: 0;
	height: fit-content;
	display: flex;
	flex-direction: column;
	gap: var(--standard-padding);
	padding: var(--standard-padding);
}

#isomorph-calculator-generate-button {
	border-radius: var(--standard-border-radius);
	text-align: center;
	background-color: var(--col-button);
	user-select: none;
	height: 1.7rem;
	display: flex;
	flex-direction: row;
	align-items: center;
	justify-content: center;
	cursor: pointer;
}

#isomorph-calculator-generate-button:hover {
	background-color: var(--col-button-hovered);
}

#isomorph-calculator-generate-button .label {
	color: black;
	padding: 0 0.4rem;
}

#isomorph-calculator-generate-button .spinner {
	width: 1.2rem;
	height: 1.2rem;
	border-radius: 50%;
	border: 0.2rem solid transparent;
	border-top-color: rgb(35, 35, 35);
	animation: spin 1s linear infinite;
}

.isomorph-calculator-option {
	display: flex;
	flex-direction: row;
	align-items: center;
	justify-content: space-between;
	width: 100%;
	max-width: 100%;
	margin: auto;
}

.isomorph-calculator-option .label {
	color: #c3c3c3;
	text-wrap: nowrap;
	padding: 0 0.4rem;
}

.isomorph-calculator-option input[type="text"] {
	width: 5rem;
	height: 1.7rem;
	border-radius: var(--standard-border-radius);
	background-color: var(--col-button);
	color: black;
	text-align: center;
	border: none;
	outline: none;
}

.isomorph-calculator-option input[type="checkbox"] {
	width: 1.5rem;
	height: 1.7rem;
	border-radius: var(--standard-border-radius);
	background-color: var(--col-button);
}

@keyframes spin {
	100% {
		transform: rotate(360deg);
	}
}

/* ------------------------------------------- */

#isomorph-selection-view {
	min-width: 0;
	max-width: 50rem;
	flex-grow: 1;
	height: fit-content;
	min-height: 10rem;
	padding: var(--standard-padding);
	border-radius: var(--standard-border-radius);
	background-color: var(--col-panel-bg);
	display: flex;
	flex-direction: column;
	gap: var(--standard-padding);
}

#isomorph-selection-pattern-container {
	display: none;
	background-color: #5e6875;
	border-radius: var(--standard-border-radius);
}

#isomorph-selection-pattern {
	min-height: 1.6rem;
	width: fit-content;
	padding: 0.3rem 0.8rem;
	background-color: var(--col-isomorph-pattern-bg);
	border-radius: var(--standard-border-radius);
}

#isomorph-selection-list {
	flex-grow: 1;
	background-color: var(--col-panel-fg);
	border-radius: var(--standard-border-radius);
	display: flex;
	flex-direction: column;
	padding: calc(var(--message-gap) * 0.5);
	overflow: auto;
}

#isomorph-selection-list .empty {
	color: var(--col-generic-text-dark);
	text-align: center;
	flex-shrink: 0;
	margin: auto;
	margin-top: 2rem;
}

#isomorph-selection-list .selection-message {
	display: flex;
	gap: var(--message-gap);
	padding: calc(var(--message-gap) * 0.5);
	cursor: pointer;
	transition: background 0.2s;
	align-items: center;
}

#isomorph-selection-list .selection-message:hover {
	background-color: var(--col-isomorph-instance-hovered);
}

#isomorph-selection-list .selection-message-indices {
	padding: 0 var(--message-gap);
	background-color: var(--col-isomorph-instance-indices-bg);
	border-radius: var(--standard-border-radius);
	height: var(--message-letter-size);
	text-align: center;
	line-height: var(--message-letter-height);
	flex-shrink: 0;
}

#isomorph-selection-list .selection-letter {
	flex-shrink: 0;
	width: var(--message-letter-size);
	height: var(--message-letter-size);
	border-radius: var(--standard-border-radius);
	text-align: center;
	line-height: var(--message-letter-height);
	background-color: var(--col-message-letter-bg);
	color: var(--col-message-letter-colour);
	box-shadow: 0 0 0.4rem 0.05rem rgba(0, 0, 0, 0.2);
}

#isomorph-selection-list .selection-letter.warning {
	outline: 0.1rem solid red;
}

/* ------------------------------------------- */

#isomorphs-view {
	border-radius: var(--standard-border-radius);
	display: flex;
	flex-direction: column;
	gap: var(--standard-padding);
	padding: var(--standard-padding);
	height: 19.6rem;
	background-color: var(--col-panel-bg);
}

#isomorphs-info {
	padding: 0 1rem;
	min-height: 1rem;
	display: flex;
	flex-direction: row;
	gap: 2rem;
	overflow: hidden;
}

#isomorphs-info div {
	color: #c3c3c3;
	text-wrap: nowrap;
}

#isomorphs-list {
	display: flex;
	flex-direction: row;
	flex-wrap: wrap;
	justify-content: flex-start;
	padding: var(--standard-padding);
	gap: 0.4rem;
	flex-grow: 1;
	align-content: baseline;

	background-color: var(--col-panel-fg);
	border-radius: var(--standard-border-radius);
	overflow-y: auto;
}

#isomorphs-list .empty {
	color: var(--col-generic-text-dark);
	text-align: center;
	flex-shrink: 0;
	margin: auto;
	margin-top: 2rem;
}

.isomorph {
	display: flex;
	flex-direction: row;
	width: fit-content;
	height: fit-content;
	padding: 0.4rem;
	justify-content: center;
	align-items: center;
	background-color: var(--col-isomorph-bg);
	border-radius: var(--standard-border-radius);
	user-select: none;
	cursor: pointer;
}

.isomorph .pattern {
	padding: 0.3rem;
	background-color: var(--col-isomorph-pattern-bg);
	border-radius: var(--standard-border-radius);
}

.isomorph .label {
	vertical-align: middle;
	padding: 0 0.8rem;
	color: var(--col-isomorph-label-color);
}

.isomorph .score {
	padding: 0 0.2rem 0 0;
	color: var(--col-isomorph-score-color);
}

.isomorph.selected {
	background-color: var(--col-isomorph-selected-bg);
}

.isomorph.selected .pattern {
	background-color: var(--col-isomorph-selected-pattern-bg);
}

.isomorph:hover {
	background-color: var(--col-isomorph-hover-bg);
}

.isomorph:hover .pattern {
	background-color: var(--col-isomorph-hover-pattern-bg);
}