/* === FONT & ROOT VARIABLES === */
@font-face {
	font-family: "ocr-a";
	src: url(fonts/OCRAEXT.TTF) format("truetype");
}

:root {
	--row: min(1vw, 12px);
	--col: 1ch;

	--background-color: #eee;
	--text-color: black;
	--border-color: #dadada;
	--nav-buttons-color: #919191;
	--nav-buttons-hover-color: black;
	--a-color: #39ff14;
	--nav-box-background-color: #0d0d0d;
	--drop-shadow-color: rgba(0, 0, 0, 0.7)
}

/* === GLOBAL RESET === */
* {
	box-sizing: border-box;
	margin: 0;
	padding: 0;
	font-size: var(--row);
	line-height: 1;
	z-index: 0;
}

html,
body {
	font-family: "ocr-a", monospace;
	background-color: var(--background-color);
	width: 100vw;
	height: 100vh;
}

main {
	z-index: 0;
}

#bit-grid {
	position: absolute;
	top: 0 !important;
	left: 0 !important;
	display: block;
	width: 100%;
	height: 100%;
	z-index: 2;
	/* white-space: pre; */
	overflow: hidden;
	color: var(--text-color);
	text-wrap: wrap;
	word-break: break-all;
}

#bit-canvas {
	width: 100%;
	height: 100%;
	display: block;
	z-index: 1;
	position: relative;
	pointer-events: none;
}

.logo-text {
	position: absolute;
	top: calc(var(--row) * 0.2);
	left: calc(var(--col) * 1.8);
}

.text-block {
	position: absolute;
}

.text-block pre {
	font-size: var(--row);
	white-space: pre;
	margin: 0;
	padding: 0;
}

.char-span,
.char-space {
	display: inline;
	font-size: var(--row);
	text-align: center;
}

.grid-line {
	position: absolute;
	background-color: var(--border-color);
}

.horizontal {
	height: 1px;
	width: 100%;
}

.line-1 {
	top: calc(var(--row) * 4);
	left: 0;
}

.info-box {
	border: 1px solid var(--border-color);
	background-color: transparent;
	width: calc(var(--col) * 80);
	height: calc(var(--row) * 10.5);
	top: calc(var(--row) * 2);
	left: 50%;
	transform: translateX(calc(-50% - (var(--col) * 5)));
	position: absolute;
	z-index: 3;
	pointer-events: none;
}

.info-title {
	display: block;
	margin-bottom: calc(var(--row) * 0.8);
}

.info-text {
	position: absolute;
	top: calc(var(--row) * 1.1);
	left: calc(50% - (var(--col) * 44));
	line-height: 1.5;
	z-index: 5;
	max-width: calc(var(--col) * 98);
	white-space: pre-wrap;
	word-wrap: break-word;
}

.info-text a {
	color: inherit;
	text-decoration: underline;
	cursor: pointer;
}

.info-text a:hover {
	opacity: 0.3;
}

.title-text {
	top: calc(var(--row) * 2.5);
	left: calc(50% - (var(--col) * 44));
}

.info-text-1 {
	top: calc(var(--row) * 4.8);
	left: calc(50% - (var(--col) * 44));
}

.info-text-2 {
	top: calc(var(--row) * 6.5);
	left: calc(50% - (var(--col) * 44));
}

.btn-start {
	top: calc(var(--row) * 10.8);
	left: calc(50% - (var(--col) * 44));
}

.btn-skip {
	top: calc(var(--row) * 10.8);
	left: calc(50% + (var(--col) * 6));
}

.btn-start,
.btn-skip {
	text-decoration: underline;
	cursor: pointer;
	transition: opacity 0.3s;
}

.btn-start:hover,
.btn-skip:hover {
	opacity: 0.7;
}

.nav-btn {
	color: var(--nav-buttons-color);
}

.nav-about {
	top: calc(var(--row) * 4.8);
	left: calc(var(--col) * 1.8);
}

.nav-disclaimer {
	top: calc(var(--row) * 4.8);
	left: calc(var(--col) * 9.8);
}

.nav-contact {
	top: calc(var(--row) * 4.8);
	left: calc(var(--col) * 22.8);
}

.nav-btn {
	cursor: pointer;
	transition: color 0.3s;
}

.nav-btn:hover,
.nav-btn.active {
	color: var(--text-color);
}



/* === NAVIGATION CONTENT BOX === */
.nav-content-box {
	position: absolute;
	top: calc(var(--row) * 6.5);
	left: calc(var(--col) * 1.8);
	width: calc(var(--col) * 44);
	background-color: var(--nav-box-background-color);
	color: var(--nav-buttons-color);
	border: 1px solid var(--border-color);
	padding: calc(var(--row) * 1.5);
	z-index: 10;
	max-height: 0;
	overflow: hidden;
	transition:
		max-height 0.5s ease-in-out,
		opacity 0.5s ease-in-out;
	opacity: 0;
}

.nav-content-box.active {
	opacity: 1;
}

.nav-content-text {
	color: var(--text-color);
	line-height: 1.5;
	white-space: normal;
	word-wrap: normal;
	overflow-wrap: normal;
	hyphens: auto;
	transition: opacity 0.3s ease-in-out;
}

.nav-content-text .info-title {
	color: var(--nav-buttons-color);
	font-weight: bold;
	margin-bottom: calc(var(--row) * 0.8);
}

.nav-content-text a {
	color: var(--a-color);
	text-decoration: underline;
	text-shadow: 0 0 5px var(--a-color);
	cursor: pointer;
}

.nav-content-text a:hover {
	text-shadow:
		0 0 10px var(--a-color),
		0 0 15px var(--a-color);
}

.nav-content-text strong {
	color: var(--text-color);
}

/* === PROMPT TOOLTIP === */
.prompt-hover {
	color: var(--a-color);
	text-decoration: underline;
	text-shadow: 0 0 5px var(--a-color);
	cursor: pointer;
	position: relative;
}

.prompt-hover:hover {
	text-shadow:
		0 0 10px var(--a-color),
		0 0 15px var(--a-color);
}

.prompt-tooltip {
	display: none;
	position: fixed;
	background-color: var(--background-color);
	color: var(--text-color);
	padding: calc(var(--row) * 1);
	border: 1px solid var(--border-color);
	width: calc(var(--col) * 60);
	overflow-y: auto;
	z-index: 10000;
	white-space: normal;
	word-break: break-word;
	line-height: 1.3;
	box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.ascii-element {
	color: var(--text-color);
	position: absolute;
	cursor: pointer;
}

.ascii-element.active-shadow {
	filter: drop-shadow(0 0 12px var(--drop-shadow-color));
	transition: filter 0.3s ease-in-out;
}

/* Green glow effect for completion */
.ascii-element.green-glow {
	filter: drop-shadow(0 0 20px rgba(57, 255, 20, 0.9));
	animation: greenGlowPulse 2s ease-in-out forwards;
}

@keyframes greenGlowPulse {
	0% {
		filter: drop-shadow(0 0 0px rgba(57, 255, 20, 0));
	}
	50% {
		filter: drop-shadow(0 0 25px rgba(57, 255, 20, 1));
	}
	100% {
		filter: drop-shadow(0 0 0px rgba(57, 255, 20, 0));
	}
}

/* Completion message - restart button */
.element-6-completion-message {
	position: absolute;
	top: calc(var(--row) * 19);
	left: calc(50% - (var(--col) * 15));
	z-index: 4;
	opacity: 0;
	transition: opacity 1s ease-in-out;
	cursor: pointer;
	white-space: pre;
}

.element-6-completion-message.visible {
	opacity: 1;
	animation: slowBlink 2s ease-in-out infinite;
}

/* Override hidden class for completion message to allow opacity transition */
.element-6-completion-message.hidden {
	display: block !important;
	opacity: 0;
	animation: none;
}

.hidden {
	display: none !important;
}

/* Typewriter cursor effect */
.typing-cursor::after {
	content: "█";
	animation: blink 1s infinite;
}

@keyframes blink {
	0%,
	50% {
		opacity: 1;
	}
	51%,
	100% {
		opacity: 0;
	}
}

/* NUCLEAR POWER STATION */
.element-1-negative,
.element-1-positive {
	top: calc(var(--row) * 13);
	left: calc(50% - (var(--col) * 82));
	z-index: 4;
}

/* NUCLEAR POWER STATION POSITIVE COMPANION */
.element-1-positive-companion {
	top: calc(var(--row) * 14);
	left: calc(50% - (var(--col) * 66));
	animation: floatSidewaysSlow 18s ease-in-out infinite;
}

@keyframes floatSidewaysSlow {
	0%,
	100% {
		transform: translateX(0);
	}
	50% {
		transform: translateX(calc(var(--col) * 4));
	}
}

/* KING */
.element-2-negative,
.element-2-positive {
	top: calc(var(--row) * 46);
	left: calc(50% - (var(--col) * 30));
	z-index: 10;
}

/* KING COMPANION */
.element-2-negative-companion {
	top: calc(var(--row) * 58);
	left: calc(50% + (var(--col) * 5));
	animation: floatVertical 3s ease-in-out infinite;
}

@keyframes floatVertical {
	0%,
	100% {
		transform: translateY(0);
	}
	50% {
		transform: translateY(calc(var(--row) * -2));
	}
}

/* CLOUD */
.element-3-negative,
.element-3-positive {
	top: calc(var(--row) * 14);
	left: calc(50% + (var(--col) * 25));
	z-index: 6;
}

/* CLOUD POSITIVE COMPANION */
.element-3-positive-companion {
	top: calc(var(--row) * 19);
	left: calc(50% + (var(--col) * 25));
	animation: floatVerticalSlow 8s ease-in-out infinite;
}

@keyframes floatVerticalSlow {
	0%,
	100% {
		transform: translateY(0);
	}
	50% {
		transform: translateY(calc(var(--row) * -1));
	}
}

/* PARROT */
.element-4-negative,
.element-4-positive {
	top: calc(var(--row) * 40);
	left: calc(50% + (var(--col) * 22));
	z-index: 7;
}

/* PARROT COMPANION 1 */
.element-4-negative-companion-1 {
	top: calc(var(--row) * 40);
	left: calc(50% + (var(--col) * 15));
	animation: floatVerticalUp 3s ease-in-out infinite;
}

@keyframes floatVerticalUp {
	0%,
	100% {
		transform: translateY(0);
	}
	50% {
		transform: translateY(calc(var(--row) * -2));
	}
}

/* PARROT COMPANION 2 */
.element-4-negative-companion-2 {
	top: calc(var(--row) * 42);
	left: calc(50% + (var(--col) * 23));
	animation: floatVerticalDown 3s ease-in-out infinite;
}

@keyframes floatVerticalDown {
	0%,
	100% {
		transform: translateY(0);
	}
	50% {
		transform: translateY(calc(var(--row) * 2));
	}
}

/* ROBOT */
.element-5-negative,
.element-5-positive {
	top: calc(var(--row) * 36);
	left: calc(50% - (var(--col) * 86));
	z-index: 8;
}

/* ROBOT POSITIVE COMPANION 1 */
.element-5-positive-companion-1 {
	top: calc(var(--row) * 38);
	left: calc(50% - (var(--col) * 70));
	animation: floatSideways1 8s ease-in-out infinite;
}

@keyframes floatSideways1 {
	0%,
	100% {
		transform: translateX(0);
	}
	50% {
		transform: translateX(calc(var(--col) * 9));
	}
}

/* ROBOT POSITIVE COMPANION 2 */
.element-5-positive-companion-2 {
	top: calc(var(--row) * 42);
	left: calc(50% - (var(--col) * 40));
	animation: floatSideways2 8s ease-in-out infinite;
}

@keyframes floatSideways2 {
	0%,
	100% {
		transform: translateX(0);
	}
	50% {
		transform: translateX(calc(var(--col) * -13));
	}
}

/* AI BOX */
.element-6-negative,
.element-6-positive {
	top: calc(var(--row) * 22);
	left: calc(50% - (var(--col) * 33));
	z-index: 9;
}

/* Element 6 clickable state when all elements revealed */
.element-6-negative.clickable {
	cursor: pointer;
}

/* Info-6 Title Container - dedicated positioning */
.info-6-title-container {
	position: absolute;
	top: calc(var(--row) * 2.6);
	left: calc(50% - (var(--col) * 44));
	z-index: 5;
}

/* Info-6 Paragraph Container - dedicated positioning */
.info-6-paragraph-container {
	position: absolute;
	top: calc(var(--row) * 3);
	left: calc(50% - (var(--col) * 44));
	line-height: 1.5;
	z-index: 5;
	max-width: calc(var(--col) * 98);
	white-space: pre-wrap;
	word-wrap: break-word;
}

/* ROTATE MESSAGE */
#rotate-message {
	display: none;
	position: fixed; /* Does not take space in flow */
	top: 0;
	left: 0;
}

/* Fade-In Animation */
@keyframes fadeIn {
	from {
		opacity: 0;
	}
	to {
		opacity: 1;
	}
}

.fade-in {
	animation: fadeIn 1s ease-in-out forwards;
}

/* ANIMATED BALLS */

.ascii-ball {
	position: absolute;
	z-index: 4;
	cursor: pointer;
	transition: opacity 0.3s;
	color: var(--text-color)
}

.ascii-ball:hover {
	opacity: 0.7;
}

/* Red stars in negative elements */
.star-char {
	color: var(--text-color);
	display: inline;
	transition: color 1s ease-in-out;
}

/* Green @ and 8 characters in positive elements */
.green-char {
	color: var(--text-color);
	display: inline;
	transition: color 1s ease-in-out;
}

.ball-1 {
	top: calc(var(--row) * 23);
	left: calc(50% - (var(--col) * 63));
}

/* Ball-1 click me text */
.ball-1-click-me {
	position: absolute;
	top: calc(var(--row) * 27);
	left: calc(50% - (var(--col) * 65.5));
	z-index: 4;
	opacity: 0;
	transition: opacity 1s ease-in-out;
	color: var(--text-color)
}

.ball-1-click-me.visible {
	opacity: 1;
}

/* Override hidden class for ball-1-click-me to allow opacity transition */
.ball-1-click-me.hidden {
	display: block !important;
	opacity: 0;
}

/* Element-6 click me text */
.element-6-click-me {
	position: absolute;
	top: calc(var(--row) * 19);
	left: calc(50% - (var(--col) * 18));
	z-index: 4;
	opacity: 0;
	transition: opacity 1s ease-in-out;
}

.element-6-click-me.visible {
	opacity: 1;
	animation: slowBlink 2s ease-in-out infinite;
}

@keyframes slowBlink {
	0%,
	100% {
		opacity: 1;
	}
	50% {
		opacity: 0.1;
	}
}

/* Override hidden class for element-6-click-me to allow opacity transition */
.element-6-click-me.hidden {
	display: block !important;
	opacity: 0;
	animation: none;
}

/* Element-6 click any text - same position as click-me */
.element-6-click-any {
	position: absolute;
	top: calc(var(--row) * 20);
	left: calc(50% - (var(--col) * 18));
	z-index: 4;
	opacity: 0;
	transition: opacity 1s ease-in-out;
}

.element-6-click-any.visible {
	opacity: 1;
	animation: slowBlink 2s ease-in-out infinite;
}

/* Override hidden class for element-6-click-any to allow opacity transition */
.element-6-click-any.hidden {
	display: block !important;
	opacity: 0;
	animation: none;
}

.ball-2 {
	top: calc(var(--row) * 55);
	left: calc(50% - (var(--col) * 9));
}

.ball-3 {
	top: calc(var(--row) * 28);
	left: calc(50% + (var(--col) * 43));
}

.ball-4 {
	top: calc(var(--row) * 52);
	left: calc(50% + (var(--col) * 45));
}

.ball-5 {
	top: calc(var(--row) * 47);
	left: calc(50% - (var(--col) * 64));
}
.ascii-ball pre {
	font-size: var(--row);
}

.ascii-ball .char {
	display: inline-block;
	animation: charFade 0.3s ease-in-out;
}

@keyframes charFade {
	0% {
		opacity: 0.3;
	}
	50% {
		opacity: 1;
	}
	100% {
		opacity: 0.8;
	}
}



/* === DARK MODE STYLING === */
.dark-mode-toggle {
	position: absolute;
	bottom: calc(var(--row) * 1);
	left: calc(var(--col) * 2);
	cursor: pointer;
	color: var(--nav-buttons-color);
	transition: color 0.3s;
	z-index: 10;
}

.dark-mode-toggle:hover {
	color: var(--nav-buttons-hover-color);
}

body.dark-mode {
	--background-color: #0d0d0d;
	--text-color: #39ff14;
	--border-color: #dadada;
	--nav-buttons-color: #919191;
	--nav-buttons-hover-color: #eee;
	--a-color: #eee;
	--nav-box-background-color: #2b2b2b;
	--drop-shadow-color: rgba(57, 255, 20, 0.7);
}



/* === MOBILE LAYOUT === */
/* MESSAGE ON SMALL SCREENS */
@media screen and (max-width: 1000px) and (orientation: portrait) {
	:root {
		--row: 16px;
		--col: 1ch;
	}

	#rotate-message {
		display: flex;
		justify-content: center;
		align-items: center;
		position: fixed;
		top: 0;
		left: 0;
		width: 100vw;
		height: 100vh;
		color: var(--text-color);
		background-color: var(--background-color);
		z-index: 9999;
	}

	.rotate-content {
		text-align: center;
		font-size: 2vw;
	}

	/* Hide main page in portrait mode */
	#bit-grid {
		display: none;
	}
}