/* style.css — Optimized with display: block/inline/inline-block/none as primary */
*, *::before, *::after { box-sizing: border-box; }

:root {
	--bg-color: #1a1b26;
	--text-color: #a9b1d6;
	--border-color: #383e5a;
	--accent-color: #7aa2f7;
	--terminal-green: #9ece6a;
	--panel-bg: #1f2335;
	--status-bg: #e0af68;
	--status-text: #1d202f;
	--main-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
	--main-mono-font: Consolas, Monaco, "Lucida Console", "Liberation Mono", "Noto Sans Mono", "Open Sans Mono", "DejaVu Sans Mono", "Bitstream Vera Sans Mono", Courier, "Courier New", monospace;
}

html, body {
	font-family: var(--main-font);
	font-size: 14px;
	background-color: var(--bg-color);
	color: var(--text-color);
	transition: background-color 0.3s ease, color 0.3s ease;
}

body {
	padding: 15px;
	margin: 0 auto;
	max-width: 1550px;
}

body hr {
	border-style: none;
	border-top-style: solid;
	border-color: #7aa2f7;
}

div hr {
	border-style: none;
	border-top-style: dashed;
	border-color: #383e5a;
}

input[disabled] { pointer-events: none; cursor: not-allowed; }

/* ============================================================
	 PAGE LOADER
	 ============================================================ */
#page-loader {
	position: fixed;
	top: 0;
	left: calc(max(0, 100% - 1550px));
	width: 100%;
	height: 100%;
	padding: 15px 0;
	background: var(--bg-color);
	z-index: 512;
	transition: opacity 0.5s ease, visibility 0.5s ease;
	max-width: 1550px;
}

#page-loader > .loader-content {
	position: fixed;
	top: calc(50% - 5em);
	left: 0;
	text-align: center;
	width: 100%;
	height: 100px;
}

@keyframes fadeOutOnPageLoaded {
	from { opacity: 1; }
	to { opacity: 0; }
}

@keyframes scaleUpOnPageLoaded {
	to { transform: scale(192%, 192%); }
}

#page-loader.hidden {
	animation: fadeOutOnPageLoaded 0.5s ease-out;
	opacity: 0;
	visibility: hidden;
	pointer-events: none;
}

#page-loader.hidden > .loader-content {
	animation: scaleUpOnPageLoaded 0.5s ease-out;
}

.loader-content {
	text-align: center;
	display: inline-block;
}

.loader-spinner {
	width: 50px;
	height: 50px;
	border: 4px double var(--border-color);
	border-top: 4px solid var(--accent-color);
	border-bottom: 4px solid var(--accent-color);
	border-radius: 50%;
	animation: spin 1s linear infinite;
	margin: 0 auto 20px auto;
	display: inline-block;
}

.loader-text {
	font-size: 18px;
	font-weight: bold;
	color: var(--accent-color);
	margin-bottom: 8px;
	display: block;
}

.loader-sub {
	font-size: 13px;
	color: var(--text-color);
	opacity: 0.7;
	display: block;
}

@keyframes spin {
	0% { transform: rotate(0deg); }
	100% { transform: rotate(360deg); }
}

#parameters {
	border: 3px double var(--terminal-green);
	background: var(--bg-color);
	color: var(--text-color);
	margin: 5px 0;
	padding: 7.5px;
	border-radius: 1em 1em 1.72em 1.72em;
	display: block;
}

#parameters > * {
	margin-bottom: 20px;
	display: block;
}

#parameters > *:last-child { margin-bottom: 0; }

.settings-group { display: block; }

.settings-group::after {
	content: "";
	display: block;
	clear: both;
}

.half {
	display: block;
	float: left;
	width: 49.75%;
	min-width: 300px;
}

.size-settings-grid {
	background: var(--panel-bg);
	padding: 7px;
	border-radius: 6px;
	border: 1px solid var(--border-color);
	margin-bottom: 15px;
	display: block;
}

.size-settings-grid::after {
	content: "";
	display: block;
	clear: both;
}

.size-settings-grid label {
	margin: 6px 0;
	display: block;
	cursor: pointer;
}

.size-settings-grid label.full-row {
	width: 100%;
	clear: both;
	display: block;
}

.size-settings-grid label:not(.full-row) {
	display: block;
	float: left;
	width: 45%;
	padding-top: 0px;
}

.size-settings-grid input[type="number"] {
	margin: 5px 0;
	padding: 3.25px 0;
	padding-top: 1.25px;
	display: block;
	float: right;
	width: 50%;
	font-family: var(--main-mono-font);
}

.size-settings-grid input[type="number"]:disabled {
	border-bottom-style: dashed;
}

.dropdown-selection-group {
	padding: 12px;
	border: 1px dashed var(--border-color);
	border-radius: 0.5em;
	clear: both;
	margin-top: 15px;
	background: var(--panel-bg);
	display: block;
}

.dropdown-label {
	margin-top: 0;
	margin-bottom: 8px;
	font-weight: bold;
	color: var(--accent-color);
	display: block;
}

.custom-dropdown {
	width: 100%;
	background-color: var(--bg-color);
	color: var(--text-color);
	border: 1px solid var(--border-color);
	border-radius: 0.3em;
	padding: 8px;
	font-family: var(--main-font);
	font-size: 13px;
	display: block;
}

.custom-dropdown optgroup {
	font-weight: bold;
	color: var(--accent-color);
	background: var(--panel-bg);
}

.custom-dropdown option {
	color: var(--text-color);
	background: var(--bg-color);
}

.action-buttons {
	display: block;
	width: 100%;
	margin-top: 15px;
	text-align: center;
}

.action-buttons::after {
	content: "";
	display: block;
	clear: both;
}

.action-buttons button {
	display: block;
	float: left;
	width: 32%;
	margin-right: 2%;
	color: var(--text-color);
	background-color: var(--bg-color);
	border: 1px solid var(--border-color);
	border-radius: 1em;
	padding: 12px 8px;
	cursor: pointer;
	font-size: 13px;
	text-align: center;
}

.action-buttons button:last-child {
	margin-right: 0;
	display: block;
}

.action-buttons button:disabled {
	border-color: var(--border-color);
	border-style: dashed;
	color: #666;
	cursor: not-allowed;
	opacity: 0.5;
}

.colorboard {
	display: block;
	float: right;
	width: 49.75%;
}

.colorboard .colorpad {
	display: block;
	margin-top: 10px;
}

.colorboard .colorpad::after {
	content: "";
	display: block;
	clear: both;
}

.colorboard .colorpad .color-pair {
	display: block;
	float: left;
	width: 19.22%;
	margin: 2px 0.375%;
	background: var(--panel-bg);
	padding: 6px;
	border-radius: 4px;
	border: 1px solid var(--border-color);
}

.colorboard .colorpad .color-pair input[type="color"] {
	padding: 0px;
	border-radius: 0.3em;
	width: 1.3em;
	margin: 0;
	margin-right: 5px;
	border-style: solid;
	vertical-align: middle;
	display: inline-block;
}

.colorboard .colorpad .color-pair label {
	display: inline-block;
	margin: 0;
	width: 50px;
	font-size: 11px;
	vertical-align: middle;
}

.colorboard .colorpad .color-pair .colortext {
	display: inline-block;
	margin: 0;
	margin-top: 3.5px;
	width: calc(100% - 75px);
	font-size: 11px;
	padding: 2px;
	vertical-align: middle;
	font-family: var(--main-mono-font);
}

option.hidden { display: none; }

label { display: block; margin: 10px 0; }

input {
	background-color: transparent/*var(--bg-color)*/;
	border-color: var(--border-color);
	color: var(--text-color);
	border-style: none;
	border-bottom-style: solid;
	/*border-radius: 0.3em;*/
	padding: 2.5px;
	font-family: var(--main-font);
}

div.tab-panel textarea {
	clear: both;
	display: block;
	border-radius: 0.0em 0.0em 0.8em 0.8em;
	background-color: var(--panel-bg);
	color: var(--terminal-green);
	width: 100%;
	padding: 15px;
	min-height: 20rem;
	margin-top: 1px;
	resize: none;
	white-space: pre;
	overflow: auto;
	font-family: var(--main-mono-font);
	border: 1px solid var(--border-color);
}

#status {
	margin-bottom: 10px;
	background-color: var(--status-bg);
	color: var(--status-text);
	padding: 5px;
	border-radius: 0.3em;
	display: inline-block;
	font-weight: bold;
	position: sticky;
	top: 10px;
	z-index: 100;
}

.image-preview-container {
	display: none;
	margin: 20px 0;
	width: 100%;
}

.image-preview-container::after {
	content: "";
	display: block;
	clear: both;
}

.preview-box {
	display: block;
	float: left;
	width: 49%;
	margin-right: 2%;
	background: var(--panel-bg);
	border: 1px dashed var(--accent-color);
	border-radius: 8px;
	padding: 12px;
}

.preview-box:last-child {
	margin-right: 0;
	float: right;
	display: block;
}

.preview-box h3 {
	margin-top: 0;
	margin-bottom: 10px;
	font-size: 13px;
	color: var(--text-color);
	opacity: 0.8;
}

#original-preview-zone {
	width: 100%;
	display: block;
	text-align: center;
}

#original-preview-zone img, canvas {
	width: 100%;
	height: auto;
	object-fit: contain;
	image-rendering: pixelated;
	background-image:
		linear-gradient(45deg, #222 25%, transparent 25%),
		linear-gradient(-45deg, #222 25%, transparent 25%),
		linear-gradient(45deg, transparent 75%, #222 75%),
		linear-gradient(-45deg, transparent 75%, #222 75%);
	background-size: 10px 10px;
	background-position: 0 0, 0 5px, 5px -5px, -5px 0px;
	background-color: #151515;
	border-radius: 4px;
	padding: 5px;
	margin: 0 auto;
	display: block;
}

.resolution-info {
	font-size: 11px;
	color: var(--accent-color);
	background: var(--bg-color);
	padding: 4px 8px;
	border-radius: 4px;
	margin-bottom: 8px;
	border: 1px solid var(--border-color);
	font-family: var(--main-mono-font);
	display: inline-block;
}

div.output {
	display: block;
	width: 100%;
	padding: 0;
	margin: 0;
	border: none;
	text-align: center;
}

body > img:not(.show) {
	position: absolute;
	right: -10000%;
	top: -10000%;
}

#info {
	background-color: var(--bg-color);
	border: 1px solid var(--terminal-green);
	color: var(--text-color);
	margin-top: -0.5em;
	margin-bottom: 1em;
	padding: 15px;
	border-radius: 1.5em;
	display: block;
}

#info * { margin-bottom: 5px; margin-top: 5px; }
#info *:first-child { margin-top: 0; }
#info *:last-child { margin-bottom: 0; }

#info dl dd:not(:last-child) { margin-bottom: 10px; }
#info dl dd { margin-left: 10px; }

input[type="file"] {
	background-color: var(--bg-color);
	border-color: var(--border-color);
	color: var(--text-color);
	padding: 0.8em;
	border: 1px dashed var(--accent-color);
	display: block;
	border-radius: 0.3em;
	margin-bottom: 15px;
	width: 100%;
}

.palette-loader-container {
	margin-bottom: 15px;
	background: var(--panel-bg);
	padding: 10px;
	border-radius: 6px;
	border: 1px solid var(--border-color);
	display: block;
}

.palette-loader-container label {
	margin: 0 0 8px 0;
	font-size: 13px;
	color: var(--accent-color);
	display: block;
}

.palette-loader-container input[type="file"] {
	margin: 0;
	padding: 5px;
	font-size: 12px;
	border-color: var(--border-color);
	display: block;
}

#notification-popup-overlay {
	display: none;
	position: fixed;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background: rgba(0, 0, 0, 0.6);
	z-index: 1024;
	text-align: center;
	padding-top: 50px;
}

.popup-error-card {
	display: inline-block;
	text-align: left;
	background: var(--panel-bg);
	color: var(--accent-color);
	border: 1px solid var(--border-color);
	border-radius: 8px;
	width: 90%;
	max-width: 550px;
	box-shadow: 0 10px 30px rgba(0,0,0,0.7);
	font-family: var(--main-mono-font);
	overflow: hidden;
	animation: slideDownFade 0.3s ease-out;
}

.popup-header {
	background: var(--bg-color);
	padding: 12px 16px;
	font-weight: bold;
	border-bottom: 1px solid var(--border-color);
	display: block;
}

.popup-header::after {
	content: "";
	display: block;
	clear: both;
}

.popup-header span {
	float: left;
	line-height: 24px;
	display: inline-block;
}

.popup-header .popup-close-btn {
	float: right;
	display: inline-block;
}

.popup-body {
	padding: 16px;
	font-size: 13px;
	color: var(--text-color);
	display: block;
}

.popup-controls {
	margin-top: 12px;
	display: block;
}

.popup-toggle-btn {
	background: var(--bg-color);
	color: var(--accent-color);
	border: 1px solid var(--border-color);
	padding: 5px 10px;
	cursor: pointer;
	border-radius: 4px;
	font-size: 11px;
}

.popup-toggle-btn:hover { opacity: 0.9; }

.popup-body textarea#popup-err-stack {
	display: none;
	resize: none;
	background: #0d0d0d;
	padding: 10px;
	border-radius: 4px;
	border: 1px solid #252525;
	overflow-x: auto;
	color: #ff8888;
	font-size: 12px;
	margin-top: 10px;
	width: 100%;
	height: 200px;
	overflow-y: auto;
}

.popup-close-btn {
	background: var(--accent-color);
	color: var(--status-text);
	border: none;
	padding: 6px 14px;
	cursor: pointer;
	font-family: var(--main-mono-font);
	font-weight: bold;
	border-radius: 4px;
	font-size: 12px;
}

.popup-close-btn:hover { opacity: 0.9; }

@keyframes slideDownFade {
	from { transform: translateY(-20px); opacity: 0; }
	to { transform: translateY(0); opacity: 1; }
}

.palette-header-row {
	display: block;
	margin-bottom: 6px;
}

.palette-header-row::after {
	content: "";
	display: block;
	clear: both;
}

.palette-header-row > span {
	float: left;
	line-height: 28px;
	display: inline-block;
}

.palette-action-btns {
	float: right;
	display: inline-block;
}

.palette-slot-btn {
	background: var(--bg-color);
	color: var(--accent-color);
	border: 1px solid var(--border-color);
	border-radius: 4px;
	padding: 3px 9px;
	cursor: pointer;
	font-size: 12px;
	font-family: var(--main-font);
	margin-left: 4px;
}

.palette-slot-btn:disabled {
	opacity: 0.4;
	cursor: not-allowed;
}

.palette-slot-btn:hover:not(:disabled) {
	background: var(--panel-bg);
}

.output-tabs {
	display: block;
	margin-top: 15px;
	border-bottom: 1px solid var(--border-color);
}

.output-tabs::after {
	content: "";
	display: block;
	clear: both;
}

.tab-btn {
	display: block;
	float: left;
	background: var(--panel-bg);
	color: var(--text-color);
	border: 1px solid var(--border-color);
	border-bottom: none;
	border-radius: 4px 4px 0 0;
	padding: 7px;
	cursor: pointer;
	font-size: 13px;
	font-family: var(--main-font);
	margin-left: 0.38em;
	margin-bottom: -0.9px;
	opacity: 0.6;
}

.tab-btn.active {
	background: var(--bg-color);
	color: var(--accent-color);
	opacity: 1;
	font-weight: bold;
	border-bottom: 1px solid var(--bg-color);
	position: relative;
	z-index: 1;
}

.tab-btn:disabled {
	opacity: 0.3;
	cursor: not-allowed;
}

.tab-panel { display: none; }

.tab-panel.active { display: block; }

#ascii-output {
	font-size: 9px;
	line-height: 1.1;
	letter-spacing: 0;
	white-space: pre;
}

#ascii-sub-options {
	margin-top: 8px;
	padding-top: 8px;
	border-top: 1px dashed var(--border-color);
	display: none;
}

#ascii-sub-options label {
	margin: 6px 0 4px 0;
	font-size: 12px;
	color: var(--accent-color);
	display: block;
}

#ascii-width-input {
	width: 80px;
	display: inline-block;
}

/* ==========================================================================
	 RESPONSIVE LAYER (Float & Percentages only)
	 ========================================================================== */

@media (max-width: 1550px) {
	.colorboard .colorpad .color-pair { width: 24.28%; margin: 2px 0.36%; }
}

@media (max-width: 1200px) {
	.colorboard .colorpad .color-pair { width: 32.44%; margin: 2px 0.36%; }
}

@media (max-width: 880px) {
	body { padding: 10px; }
	#page-loader {
		width: 100%;
		height: 100%;
		left: 0;
		padding: 10px;
	}
	.half, .colorboard {
		float: none;
		width: 100%;
		margin-bottom: 25px;
		display: block;
	}
	.colorboard .colorpad .color-pair {
		width: 24.48%;
		margin: 3px 0.26%;
		display: block;
	}
	.preview-box {
		float: none;
		width: 100%;
		margin-right: 0;
		margin-bottom: 20px;
		display: block;
	}
}

@media (max-width: 700px) {
	.colorboard .colorpad .color-pair {
		width: 32.44%;
		margin: 3px 0.4%;
		display: block;
	}
	.action-buttons button {
		width: 100%;
		float: none;
		margin-right: 0;
		margin-bottom: 12px;
		display: block;
	}
	.action-buttons button:last-child {
		margin-bottom: 0;
		display: block;
	}
}

@media (max-width: 480px) {
	.half { min-width: 0; }
	.colorboard .colorpad .color-pair {
		width: 48.7%;
		margin: 3px 0.58%;
		display: block;
	}
	.size-settings-grid label:not(.full-row) { width: 48%; }
	.size-settings-grid input[type="number"] { width: 48%; }
}

@media (max-width: 340px) {
	body { max-width: 340px; }
	.colorboard .colorpad .color-pair {
		width: 100%;
		margin: 6px 0;
		float: none;
		display: block;
	}
	.size-settings-grid { clear: both; }
	.size-settings-grid label:not(.full-row) {
		float: none;
		width: 100%;
		display: block;
	}
	.size-settings-grid input[type="number"] {
		float: none;
		width: 100%;
		margin-bottom: 10px;
		display: block;
	}
}

*[state="disabled"] {
	cursor: not-allowed;
	background-color: var(--bg-color);
	color: var(--text-color);
}