:root {
	--it-bg: #f4f4f4;
	--it-panel: rgba(255, 255, 255, 0.82);
	--it-panel-strong: rgba(255, 255, 255, 0.92);
	--it-border: rgba(0, 0, 0, 0.12);
	--it-border-strong: rgba(0, 0, 0, 0.14);
	--it-shadow:
		0 10px 30px rgba(0, 0, 0, 0.10),
		0 2px 8px rgba(0, 0, 0, 0.08);
	--it-radius: 14px;
	--it-focus: rgba(0, 169, 224, 0.55);
	--it-controls-w: 460px;
}

* {
	box-sizing: border-box;
}

html,
body {
	height: 100%;
}

body {
	margin: 0;
	background-color: var(--it-bg);
	font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
	overflow: hidden;
}

#controls {
	position: fixed;
	top: 14px;
	left: 14px;
	z-index: 10;
	display: grid;
	gap: 10px;
	padding: 12px;
	box-sizing: border-box;
	width: min(var(--it-controls-w), calc(100vw - 28px));
	max-height: calc(100vh - 28px);
	overflow: auto;
	overscroll-behavior: contain;
	border-radius: var(--it-radius);
	background: var(--it-panel);
	border: 1px solid var(--it-border);
	box-shadow: var(--it-shadow);
	backdrop-filter: blur(10px);
	-webkit-backdrop-filter: blur(10px);
}

.tabs {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(128px, 1fr));
	gap: 8px;
}

.tab {
	height: 40px;
	appearance: none;
	border: 1px solid var(--it-border-strong);
	border-radius: 12px;
	background: rgba(255, 255, 255, 0.84);
	color: rgba(0, 0, 0, 0.78);
	font-size: 12px;
	font-weight: 800;
	letter-spacing: -0.01em;
	cursor: pointer;
}

.tab[aria-selected="true"] {
	background: rgba(0, 169, 224, 0.14);
	border-color: rgba(0, 169, 224, 0.32);
	color: rgba(0, 0, 0, 0.88);
}

.tab:focus-visible {
	outline: 3px solid var(--it-focus);
	outline-offset: 2px;
}

/* Respect the `hidden` attribute (our layouts set display values). */
[hidden] {
	display: none !important;
}

/* Output Preview now uses the same layout system as JPEG Comparison.
   Keep it full width and consistent across cards. */
.compare-grid {
	width: 100%;
}

.tab-panel {
	display: grid;
	gap: 10px;
}

.header {
	display: grid;
	gap: 6px;
}

.title {
	margin: 0;
	font-size: 18px;
	font-weight: 800;
	letter-spacing: -0.02em;
	color: rgba(0, 0, 0, 0.88);
}

.subtitle {
	margin: 0;
	font-size: 12px;
	line-height: 1.35;
	color: rgba(0, 0, 0, 0.72);
}

.controls-row {
	display: grid;
	grid-template-columns: repeat(3, minmax(44px, 1fr));
	gap: 8px;
}

.controls-row.controls-row--2 {
	grid-template-columns: repeat(2, minmax(44px, 1fr));
}

.btn {
	height: 44px;
	appearance: none;
	border: 1px solid var(--it-border-strong);
	border-radius: 12px;
	background: rgba(255, 255, 255, 0.90);
	color: #111;
	font-size: 13px;
	font-weight: 650;
	padding: 0 12px;
	cursor: pointer;
}

.btn:hover {
	background: rgba(255, 255, 255, 1);
}

.btn:active {
	transform: translateY(1px);
}

.btn:focus-visible {
	outline: 3px solid var(--it-focus);
	outline-offset: 2px;
}

.btn[disabled] {
	cursor: not-allowed;
	opacity: 0.55;
}

.btn-primary {
	background: rgba(0, 169, 224, 0.12);
	border-color: rgba(0, 169, 224, 0.28);
}

.btn-danger {
	background: rgba(224, 82, 82, 0.10);
	border-color: rgba(224, 82, 82, 0.22);
}

.hint {
	margin: -2px 0 0;
	font-size: 11px;
	line-height: 1.25;
	color: rgba(0, 0, 0, 0.72);
}

kbd {
	font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
	font-size: 11px;
	padding: 2px 6px;
	border-radius: 8px;
	border: 1px solid rgba(0, 0, 0, 0.14);
	background: rgba(255, 255, 255, 0.9);
}

.drop-zone {
	border-radius: 14px;
	border: 1.5px dashed rgba(0, 0, 0, 0.18);
	background: rgba(255, 255, 255, 0.72);
	min-height: 140px;
	display: grid;
	place-items: center;
	text-align: center;
	padding: 16px;
	cursor: pointer;
}

.drop-zone:focus-visible {
	outline: 3px solid var(--it-focus);
	outline-offset: 3px;
}

.drop-zone.is-over {
	border-color: rgba(0, 169, 224, 0.75);
	background: rgba(0, 169, 224, 0.10);
}

.drop-title {
	font-weight: 800;
	font-size: 16px;
	color: rgba(0, 0, 0, 0.88);
}

.drop-subtitle {
	margin-top: 4px;
	font-size: 12px;
	color: rgba(0, 0, 0, 0.62);
}

.status {
	padding: 10px 12px;
	border-radius: 12px;
	border: 1px solid rgba(0, 0, 0, 0.10);
	background: rgba(255, 255, 255, 0.78);
	color: rgba(0, 0, 0, 0.72);
	font-size: 12px;
}

#viewport {
	position: fixed;
	inset: 0;
	overflow: auto;
	padding: 14px;
	padding-top: calc(14px + 560px);
}

.view--vector-trace {
	position: fixed;
	inset: 0;
	padding: 14px;
	padding-top: calc(14px + 560px);
	display: grid;
	grid-template-rows: 1fr auto;
	gap: 10px;
}

@media (min-width: 920px) {
	.view--vector-trace {
		padding-top: 14px;
		padding-left: calc(28px + var(--it-controls-w));
	}
}

.vector-trace-embed {
	width: 100%;
	height: 100%;
	border: 1px solid var(--it-border);
	border-radius: var(--it-radius);
	background: rgba(255, 255, 255, 0.94);
	box-shadow: var(--it-shadow);
}

@media (min-width: 920px) {
	#viewport {
		padding-top: 14px;
		padding-left: calc(28px + var(--it-controls-w));
	}
}

.card {
	max-width: 920px;
	margin: 0 auto;
	background: var(--it-panel-strong);
	border: 1px solid var(--it-border);
	border-radius: var(--it-radius);
	box-shadow: var(--it-shadow);
	padding: 14px;
}

.control-grid {
	display: grid;
	gap: 10px;
	padding: 10px;
	border-radius: 14px;
	border: 1px solid rgba(0, 0, 0, 0.10);
	background: rgba(255, 255, 255, 0.72);
}

.field {
	display: grid;
	gap: 6px;
}

.label {
	font-size: 11px;
	font-weight: 750;
	letter-spacing: 0.02em;
	text-transform: uppercase;
	color: rgba(0, 0, 0, 0.58);
}

.select {
	height: 40px;
	border-radius: 12px;
	border: 1px solid var(--it-border-strong);
	background: rgba(255, 255, 255, 0.95);
	padding: 0 12px;
	font-size: 13px;
	font-weight: 650;
}

.input {
	height: 40px;
	border-radius: 12px;
	border: 1px solid var(--it-border-strong);
	background: rgba(255, 255, 255, 0.95);
	padding: 0 12px;
	font-size: 13px;
	font-weight: 650;
}

.input:focus-visible {
	outline: 3px solid var(--it-focus);
	outline-offset: 2px;
}

.select:focus-visible {
	outline: 3px solid var(--it-focus);
	outline-offset: 2px;
}

.zoom-row {
	display: grid;
	grid-template-columns: 1fr auto;
	gap: 10px;
	align-items: center;
}

#zoomRange {
	width: 100%;
}

.zoom-value {
	font-size: 12px;
	font-weight: 750;
	color: rgba(0, 0, 0, 0.72);
	min-width: 52px;
	text-align: right;
}

.control-actions {
	display: grid;
	grid-template-columns: repeat(2, minmax(44px, 1fr));
	gap: 8px;
}

.row-head {
	display: flex;
	align-items: baseline;
	justify-content: space-between;
	gap: 10px;
}

.row-title {
	font-size: 13px;
	font-weight: 800;
	letter-spacing: -0.01em;
	color: rgba(0, 0, 0, 0.86);
}

.row-subtitle {
	font-size: 12px;
	color: rgba(0, 0, 0, 0.62);
}

.size-grid {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 10px;
}

.toggle-row {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 10px;
}

.toggle {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	font-size: 12px;
	color: rgba(0, 0, 0, 0.68);
}

.toggle.small {
	gap: 6px;
}

.toggle input {
	accent-color: rgba(0, 169, 224, 0.95);
}

.bg-row {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 10px;
}

.color {
	width: 44px;
	height: 32px;
	padding: 0;
	border: 1px solid var(--it-border-strong);
	background: transparent;
	border-radius: 10px;
	overflow: hidden;
}

.btn-compact {
	height: 40px;
	padding: 0 10px;
	font-size: 12px;
}

.jpeg-controls {
	padding-top: 6px;
	border-top: 1px solid rgba(0, 0, 0, 0.08);
}

.quality-row {
	display: grid;
	grid-template-columns: 1fr auto;
	gap: 10px;
	align-items: center;
}

#jpegQuality {
	width: 100%;
}

.compare-head {
	display: flex;
	align-items: baseline;
	justify-content: space-between;
	gap: 12px;
	margin-bottom: 10px;
}

.compare-grid {
	display: grid;
	grid-template-columns: 1fr;
	gap: 14px;
}

/* Use for single-preview sections (e.g., Output Preview) so they don't become half-width
	 at desktop breakpoints where comparisons become two columns. */
.compare-grid--single {
	grid-template-columns: 1fr;
}

@media (min-width: 920px) {
	.compare-grid {
		grid-template-columns: 1fr 1fr;
	}
	.compare-grid--single {
		grid-template-columns: 1fr;
	}
}

.compare-col {
	display: grid;
	gap: 8px;
}

.compare-title {
	font-size: 12px;
	font-weight: 850;
	letter-spacing: 0.02em;
	text-transform: uppercase;
	color: rgba(0, 0, 0, 0.62);
}

.compare-meta {
	font-size: 12px;
	color: rgba(0, 0, 0, 0.72);
}

.compare-frame {
	border-radius: 14px;
	border: 1px solid rgba(0, 0, 0, 0.10);
	background: rgba(255, 255, 255, 0.85);
	overflow: hidden;
	min-height: 200px;
	width: 100%;
	display: grid;
	place-items: center;
}

.checkerboard {
	background-color: rgba(255, 255, 255, 0.85);
	background-image:
		repeating-linear-gradient(45deg, rgba(0, 0, 0, 0.06) 0 12px, rgba(255, 255, 255, 0.00) 12px 24px),
		repeating-linear-gradient(-45deg, rgba(0, 0, 0, 0.06) 0 12px, rgba(255, 255, 255, 0.00) 12px 24px);
}

.compare-frame img {
	max-width: 100%;
	height: auto;
	display: block;
}

.textarea {
	width: 100%;
	border-radius: 14px;
	border: 1px solid rgba(0, 0, 0, 0.12);
	background: rgba(255, 255, 255, 0.90);
	padding: 12px;
	font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
	font-size: 12px;
	line-height: 1.35;
	color: rgba(0, 0, 0, 0.88);
	resize: vertical;
}

.textarea:focus-visible {
	outline: 3px solid var(--it-focus);
	outline-offset: 2px;
}

.iframe {
	width: 100%;
	height: min(60vh, 520px);
	border: 0;
	background: transparent;
}

@media (max-width: 520px) {
	.size-grid {
		grid-template-columns: 1fr;
	}
	.toggle-row {
		flex-direction: column;
		align-items: stretch;
	}
}

.editor-grid {
	display: grid;
	gap: 14px;
	width: 100%;
}

/* Ensure grid children can actually fill/shrink within the track. */
.editor-grid > * {
	min-width: 0;
}

/* The editor column should always occupy the full width of its grid track. */
.editor-pane {
	width: 100%;
	min-width: 0;
}

@media (min-width: 920px) {
	.editor-grid {
		grid-template-columns: 1fr 320px;
		align-items: start;
	}
}

.editor-stage {
	position: relative;
	border-radius: 14px;
	border: 1px solid rgba(0, 0, 0, 0.10);
	background: rgba(255, 255, 255, 0.75);
	overflow: hidden;
	min-height: 360px;
	width: 100%;
	max-width: 100%;
}

.editor-canvas {
	display: block;
	width: 100%;
	height: min(62vh, 520px);
	max-width: 100%;
}

.crop-canvas {
	display: block;
	width: 100%;
	height: auto;
	border-radius: 14px;
	border: 1px solid rgba(0, 0, 0, 0.10);
	background: rgba(255, 255, 255, 0.85);
}

.preview-title {
	font-size: 12px;
	font-weight: 850;
	letter-spacing: 0.02em;
	text-transform: uppercase;
	color: rgba(0, 0, 0, 0.62);
	margin: 2px 0 8px;
}

.preview-meta {
	margin-top: 8px;
	font-size: 12px;
	color: rgba(0, 0, 0, 0.72);
}

.micro-hint {
	margin: 10px 4px 0;
	font-size: 11px;
	line-height: 1.25;
	color: rgba(0, 0, 0, 0.62);
}

.preview {
	border-radius: 14px;
	border: 1px solid rgba(0, 0, 0, 0.10);
	background: rgba(255, 255, 255, 0.75);
	overflow: hidden;
	min-height: 260px;
	display: grid;
	place-items: center;
}

.preview-placeholder {
	padding: 18px;
	text-align: center;
	color: rgba(0, 0, 0, 0.62);
	font-size: 13px;
}

.preview-image {
	display: none;
}

.meta {
	margin: 12px 0 0;
	display: grid;
	gap: 8px;
}

.meta-row {
	display: grid;
	grid-template-columns: 110px 1fr;
	gap: 10px;
	padding: 10px 12px;
	border-radius: 12px;
	border: 1px solid rgba(0, 0, 0, 0.10);
	background: rgba(255, 255, 255, 0.78);
}

.meta dt {
	color: rgba(0, 0, 0, 0.62);
	font-size: 12px;
	font-weight: 750;
}

.meta dd {
	margin: 0;
	font-size: 12px;
	color: rgba(0, 0, 0, 0.88);
	overflow-wrap: anywhere;
}

.sr-only {
	position: absolute;
	width: 1px;
	height: 1px;
	padding: 0;
	margin: -1px;
	overflow: hidden;
	clip: rect(0, 0, 0, 0);
	white-space: nowrap;
	border: 0;
}