* { box-sizing: border-box; }

@font-face {
	font-family: 'Barlow';
	font-style: normal;
	font-weight: 400;
	font-display: swap;
	src: url('../fonts/ktu-fontset/Fonts/Barlow-Regular.ttf') format('truetype');
}
@font-face {
	font-family: 'Barlow';
	font-style: normal;
	font-weight: 500;
	font-display: swap;
	src: url('../fonts/ktu-fontset/Fonts/Barlow-Medium.ttf') format('truetype');
}
@font-face {
	font-family: 'Barlow';
	font-style: normal;
	font-weight: 600;
	font-display: swap;
	src: url('../fonts/ktu-fontset/Fonts/Barlow-SemiBold.ttf') format('truetype');
}
@font-face {
	font-family: 'Barlow';
	font-style: normal;
	font-weight: 700;
	font-display: swap;
	src: url('../fonts/ktu-fontset/Fonts/Barlow-Bold.ttf') format('truetype');
}

html, body {
	margin: 0;
	height: 100%;
	overflow: hidden;
	font-family: 'Barlow', system-ui, -apple-system, 'Segoe UI', sans-serif;
	color: #1a1a1a;
	background: #e5e7ea;
}

h1 {
	font-size: 1.05rem;
	font-weight: 600;
	margin: 0 0 1rem 0;
}

h3 {
	font-size: 0.9rem;
	font-weight: 600;
	color: #1a1a1a;
	margin: 1.1rem 0 0.6rem 0;
	padding-bottom: 0.4rem;
	border-bottom: 1px solid #e5e5e5;
}
h3:first-of-type {
	margin-top: 0;
}

.tcs-panel-header {
	display: flex;
	align-items: baseline;
	justify-content: space-between;
	gap: 0.5rem;
	cursor: pointer;
}
.tcs-panel-header::after {
	content: '▾';
	font-size: 0.7rem;
	color: #999;
	flex-shrink: 0;
	transition: transform 0.15s ease;
}
.tcs-floating.collapsed .tcs-panel-header::after {
	transform: rotate(-90deg);
}
.tcs-floating.collapsed > *:not(.tcs-panel-header):not(.tcs-back-link) {
	display: none !important;
}
.tcs-floating.collapsed h3.tcs-panel-header {
	border-bottom: none;
	margin-bottom: 0;
}

.tcs-config-number {
	font-weight: 400;
	font-size: 0.8rem;
	color: #777;
}

body.tcs-readonly .tcs-floating-left,
body.tcs-readonly #tcs-inspector-panel,
body.tcs-readonly #tcs-context-menu,
body.tcs-readonly a.tcs-action,
body.tcs-readonly #tcs-undo {
	display: none !important;
}

body.tcs-readonly #tcs-config-panel label[for="tcs-start-edge"],
body.tcs-readonly #tcs-config-panel #tcs-start-edge,
body.tcs-readonly #tcs-config-panel br {
	display: none !important;
}

.tcs-back-link {
	display: inline-block;
	margin-bottom: 0.75rem;
	font-size: 0.85rem;
	color: #555;
	text-decoration: none;
}
.tcs-back-link:hover {
	color: #111;
	text-decoration: underline;
}

.tcs-canvas-toolbar {
	position: fixed;
	top: 0.5rem;
	left: 50%;
	transform: translateX(-50%);
	z-index: 20;
	display: flex;
	align-items: center;
	gap: 0.5rem;
}

.tcs-canvas-pill {
	background: rgba(255, 255, 255, 0.85);
	border: 1px solid #ddd;
	border-radius: 999px;
	padding: 0.3rem 0.9rem;
	font-size: 0.85rem;
	color: #555;
}

a.tcs-canvas-pill {
	text-decoration: none;
}
a.tcs-canvas-pill:hover {
	background: #fff;
	color: #222;
}

.tcs-canvas {
	position: fixed;
	inset: 0;
	width: 100vw;
	height: 100vh;
	
	background: #ffffff;
	touch-action: none;
}

.tcs-floating {
	background: white;
	border: 1px solid #cfcfcf;
	padding: 1.1rem;
	overflow: hidden;
}

.tcs-floating-left {
	position: fixed;
	top: 1rem;
	left: 1rem;
	width: 280px;
	max-height: calc(100vh - 2rem);
	overflow-y: auto;
	z-index: 10;
	
	scrollbar-gutter: stable;
}

.tcs-right-stack {
	position: fixed;
	top: 1rem;
	right: 1rem;
	width: 260px;
	display: flex;
	flex-direction: column;
	gap: 1rem;
	z-index: 10;
}

.tcs-palette-area {
	display: flex;
	flex-direction: column;
}

@media (max-width: 700px) {
	.tcs-floating-left {
		left: 1rem;
		right: 1rem;
		width: auto;
		max-height: 70vh;
	}

	.tcs-right-stack {
		left: 1rem;
		right: 1rem;
		top: auto;
		bottom: 1rem;
		width: auto;
	}
}

.tcs-accordion {
	border-bottom: 1px solid #e5e5e5;
}
.tcs-accordion:first-child {
	border-top: 1px solid #e5e5e5;
}

.tcs-accordion-header {
	display: flex;
	align-items: baseline;
	gap: 0.4rem;
	padding: 0.6rem 0.1rem;
	cursor: pointer;
	font-size: 0.95rem;
}
.tcs-accordion-header:hover {
	background: #fafafa;
}
.tcs-accordion-subtitle {
	color: #888;
	font-size: 0.8rem;
}

.tcs-accordion-content {
	padding: 0 0.1rem 0.75rem 0.1rem;
}
.tcs-accordion.collapsed .tcs-accordion-content {
	display: none;
}

.tcs-tile-grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(70px, 1fr));
	gap: 0.5rem;
}

.tcs-tile {
	border: 1px solid #ddd;
	padding: 0.4rem;
	text-align: center;
	cursor: pointer;
	min-width: 0;
}
.tcs-tile:hover {
	border-color: #999;
}
.tcs-tile.active {
	border-color: #111;
	border-width: 2px;
	padding: calc(0.4rem - 1px);
}
.tcs-tile img {
	width: 100%;
	height: 44px;
	object-fit: contain;
	display: block;
}
.tcs-tile-caption {
	font-size: 0.68rem;
	color: #555;
	margin-top: 0.3rem;
	line-height: 1.2;
	overflow-wrap: break-word;
	word-break: break-word;
	hyphens: auto;
}

.tcs-single-variant-link {
	display: inline-block;
	color: #1a1a1a;
	text-decoration: underline;
	font-size: 0.9rem;
}
.tcs-single-variant-link:hover {
	color: #555;
}

.tcs-material-segmented {
	display: flex;
	flex-wrap: wrap;
	gap: 0.35rem;
}
.tcs-material-segment {
	border: 1px solid #ddd;
	background: #fff;
	padding: 0.35rem 0.6rem;
	font-size: 0.82rem;
	cursor: pointer;
	color: #333;
}
.tcs-material-segment:hover {
	border-color: #999;
}
.tcs-material-segment.active {
	border-color: #111;
	border-width: 2px;
	padding: 0.3rem 0.55rem;
	font-weight: 600;
}
.tcs-material-color-row {
	margin-top: 0.5rem;
}
.tcs-material-color-row label {
	display: block;
	margin-bottom: 0.3rem;
}
.tcs-material-swatch-row {
	display: flex;
	align-items: center;
	gap: 0.5rem;
}
.tcs-material-swatch {
	flex-shrink: 0;
	width: 2.2rem;
	height: 2.2rem;
	border: 1px solid #bbb;
	background-size: cover;
	background-position: center;
}
.tcs-material-swatch-row select {
	flex: 1;
	min-width: 0;
}

.tcs-dimension-row {
	display: flex;
	gap: 0.5rem;
}
.tcs-dimension-row input {
	flex: 1;
	min-width: 0;
}

label {
	display: block;
	font-size: 0.85rem;
	margin-top: 0.5rem;
}

input, select, textarea {
	width: 100%;
	padding: 0.4rem;
	margin-top: 0.15rem;
	border: 1px solid #ccc;
	font-size: 0.9rem;
	background: white;
	color: #1a1a1a;
	font-family: inherit;
}

textarea {
	resize: vertical;
}

a.tcs-action {
	display: inline-block;
	margin-top: 0.6rem;
	padding: 0.5rem 1rem;
	background: #111;
	color: white;
	text-decoration: none;
	font-size: 0.85rem;
}
a.tcs-action:hover {
	background: #333;
}
a.tcs-action.tcs-action-secondary {
	background: white;
	color: #111;
	border: 1px solid #111;
}
a.tcs-action.tcs-action-secondary:hover {
	background: #f0f0f0;
}

a.tcs-action.tcs-action-busy {
	opacity: 0.6;
	pointer-events: none;
}

.tcs-hint {
	font-size: 0.8rem;
	color: #999;
	margin-top: 0.75rem;
}

.tcs-info-hint {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 14px;
	height: 14px;
	border-radius: 50%;
	background: #bbb;
	color: #fff;
	font-size: 0.7rem;
	font-style: normal;
	font-weight: 600;
	line-height: 1;
	cursor: help;
	flex: none;
}

.tcs-info-hint-bubble {
	position: fixed;
	background: #1a1a1a;
	color: #fff;
	padding: 0.4rem 0.6rem;
	border-radius: 4px;
	font-size: 0.75rem;
	line-height: 1.3;
	white-space: pre-line;
	max-width: 220px;
	pointer-events: none;
	box-shadow: 0 2px 8px rgba(0, 0, 0, 0.25);
	z-index: 1000;
}

#tcs-inspector-panel p {
	margin: 0.3rem 0;
	font-size: 0.9rem;
}
#tcs-inspector-module-type {
	font-weight: 600;
}

.tcs-finish-overlay {
	position: fixed;
	inset: 0;
	z-index: 2000;
	display: none;
	align-items: center;
	justify-content: center;
	flex-direction: column;
	gap: 1rem;
	background: #ffffff;
}
.tcs-finish-overlay.tcs-visible {
	display: flex;
}
.tcs-finish-overlay-spinner {
	width: 2.5rem;
	height: 2.5rem;
	border: 3px solid #ddd;
	border-top-color: #111;
	border-radius: 50%;
	animation: tcs-spin 0.8s linear infinite;
}
.tcs-finish-overlay p {
	font-size: 0.95rem;
	color: #555;
}
@keyframes tcs-spin {
	to { transform: rotate(360deg); }
}

.tcs-context-menu {
	position: fixed;
	z-index: 1000;
	background: white;
	border: 1px solid #ccc;
	box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
	min-width: 120px;
}
.tcs-context-menu a {
	display: block;
	padding: 0.5rem 0.9rem;
	color: #1a1a1a;
	text-decoration: none;
	font-size: 0.9rem;
}
.tcs-context-menu a:hover {
	background: #f4f4f4;
}

.tcs-context-menu #tcs-context-delete {
	color: #c0392b;
}

#tcs-inspector-content label:first-child {
	margin-top: 0.75rem;
}
#tcs-inspector-content input[type="file"] {
	padding: 0.3rem;
}
.tcs-content-remove {
	display: inline-block;
	margin-top: 0.35rem;
	font-size: 0.8rem;
	color: #c0392b;
	text-decoration: underline;
}
.tcs-content-remove:hover {
	color: #8e2c1f;
}

.tcs-content-error {
	margin-top: 0.35rem;
	font-size: 0.8rem;
	color: #c0392b;
}

.tcs-engrave-text {
	text-anchor: middle;
	dominant-baseline: central;
	pointer-events: none;
	user-select: none;
}

.tcs-engrave-durchgang {
	fill: #f2f2f2;
	filter: drop-shadow(0 0 1px rgba(0, 0, 0, 0.65));
}

.tcs-engrave-ausgelegt {
	fill: #111111;
}

.tcs-engrave-hinterleuchtet {
	fill: #ffffff;
	filter: drop-shadow(0 0 2px #ffffff) drop-shadow(0 0 7px rgba(255, 255, 255, 0.85));
}

.tcs-engrave-day-night-glas {
	fill: #111111;
}

.tcs-engrave-graphic {
	pointer-events: none;
}
.tcs-engrave-graphic.tcs-engrave-durchgang {
	filter: brightness(0) invert(1) drop-shadow(0 0 1px rgba(0, 0, 0, 0.65));
}
.tcs-engrave-graphic.tcs-engrave-ausgelegt {
	filter: brightness(0);
}
.tcs-engrave-graphic.tcs-engrave-hinterleuchtet {
	filter: brightness(0) invert(1) drop-shadow(0 0 2px #ffffff) drop-shadow(0 0 7px rgba(255, 255, 255, 0.85));
}
.tcs-engrave-graphic.tcs-engrave-day-night-glas {
	filter: brightness(0);
}

.tcs-foil-graphic {
	pointer-events: none;
}

.tcs-pictogram-category {
	font-size: 0.7rem;
	text-transform: uppercase;
	letter-spacing: 0.04em;
	color: #777;
	margin: 0.6rem 0 0.35rem 0;
}
.tcs-pictogram-grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(64px, 1fr));
	gap: 0.4rem;
}
.tcs-pictogram-tile {
	border: 1px solid #ddd;
	background: #fff;
	padding: 0.35rem;
	text-align: center;
	cursor: pointer;
	min-width: 0;
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 0.25rem;
}
.tcs-pictogram-tile:hover:not(:disabled) {
	border-color: #999;
}
.tcs-pictogram-tile.selected {
	border-color: #111;
	border-width: 2px;
	padding: calc(0.35rem - 1px);
}
.tcs-pictogram-tile:disabled {
	opacity: 0.35;
	cursor: not-allowed;
}
.tcs-pictogram-tile-svg {
	width: 100%;
	height: 34px;
	fill: #333;
}
.tcs-pictogram-tile span {
	font-size: 0.65rem;
	color: #555;
	line-height: 1.15;
}

.tcs-night-overlay {
	fill: #04060a;
	fill-opacity: 0.72;
	pointer-events: none;
}

body.tcs-night-active .tcs-engrave-hinterleuchtet {
	filter: drop-shadow(0 0 3px #ffffff) drop-shadow(0 0 10px rgba(255, 255, 255, 0.9)) drop-shadow(0 0 20px rgba(255, 255, 255, 0.6));
}
body.tcs-night-active .tcs-engrave-graphic.tcs-engrave-hinterleuchtet {
	filter: brightness(0) invert(1) drop-shadow(0 0 3px #ffffff) drop-shadow(0 0 10px rgba(255, 255, 255, 0.9)) drop-shadow(0 0 20px rgba(255, 255, 255, 0.6));
}

body.tcs-night-active .tcs-engrave-day-night-glas {
	fill: #ffffff;
	filter: drop-shadow(0 0 3px #ffffff) drop-shadow(0 0 10px rgba(255, 255, 255, 0.9)) drop-shadow(0 0 20px rgba(255, 255, 255, 0.6));
}
body.tcs-night-active .tcs-engrave-graphic.tcs-engrave-day-night-glas {
	filter: brightness(0) invert(1) drop-shadow(0 0 3px #ffffff) drop-shadow(0 0 10px rgba(255, 255, 255, 0.9)) drop-shadow(0 0 20px rgba(255, 255, 255, 0.6));
}

body.tcs-night-active .tcs-engrave-durchgang {
	fill: #2a2a2a;
	filter: none;
}
body.tcs-night-active .tcs-engrave-graphic.tcs-engrave-durchgang {
	filter: brightness(0.12);
}

body.tcs-night-active .tcs-eny-preview-image,
body.tcs-night-active .tcs-module-icon {
	filter: brightness(0.35);
}

.tcs-night-toggle {
	cursor: pointer;
}
.tcs-night-toggle-hit {
	fill: transparent;
}
.tcs-night-toggle-body {
	fill: #ffd54f;
	stroke: #e0a800;
	stroke-width: 1;
	transition: stroke-width 0.15s ease;
}
.tcs-night-toggle.night .tcs-night-toggle-body {
	fill: #2b3a55;
	stroke: #1a2438;
}
.tcs-night-toggle:hover .tcs-night-toggle-body {
	stroke-width: 2;
}
.tcs-night-toggle-rays line {
	stroke: #ffd54f;
	stroke-width: 2;
	stroke-linecap: round;
	opacity: 0.85;
}
.tcs-night-toggle-crescent {
	fill: #ffffff;
}

.tcs-backwall-toggle {
	cursor: pointer;
}
.tcs-backwall-toggle-hit {
	fill: transparent;
}
.tcs-backwall-toggle-body {
	fill: #e8ecf5;
	stroke: #aab4c8;
	stroke-width: 1;
	transition: stroke-width 0.15s ease;
}
.tcs-backwall-toggle:hover .tcs-backwall-toggle-body {
	stroke-width: 2;
}
.tcs-backwall-toggle-icon rect {
	fill: #aab4c8;
}
.tcs-backwall-toggle.active .tcs-backwall-toggle-body {
	fill: #2f6fed;
	stroke: #1d4fb8;
}
.tcs-backwall-toggle.active .tcs-backwall-toggle-icon rect {
	fill: #ffffff;
}

.tcs-screwmode-toggle {
	cursor: pointer;
}
.tcs-screwmode-toggle-hit {
	fill: transparent;
}
.tcs-screwmode-toggle-body {
	fill: #e8ecf5;
	stroke: #aab4c8;
	stroke-width: 1;
	transition: stroke-width 0.15s ease;
}
.tcs-screwmode-toggle:hover .tcs-screwmode-toggle-body {
	stroke-width: 2;
}
.tcs-screwmode-toggle-icon circle {
	fill: #aab4c8;
}
.tcs-screwmode-toggle.active .tcs-screwmode-toggle-body {
	fill: #d4351c;
	stroke: #a32913;
}
.tcs-screwmode-toggle.active .tcs-screwmode-toggle-icon circle {
	fill: #ffffff;
}

.tcs-dim-line,
.tcs-dim-tick,
.tcs-station-dim-line,
.tcs-station-dim-tick,
.tcs-height-marker-line,
.tcs-height-marker-tick {
	stroke: #888;
	stroke-width: 1;
	pointer-events: none;
}
.tcs-dim-label,
.tcs-station-dim-label,
.tcs-height-marker-label {
	font-size: 11px;
	fill: #666;
	text-anchor: middle;
	dominant-baseline: middle;
	pointer-events: none;
	user-select: none;
}

.tcs-height-marker--ok .tcs-height-marker-line,
.tcs-height-marker--ok .tcs-height-marker-tick {
	stroke: #2e8b3d;
}
.tcs-height-marker--ok .tcs-height-marker-label {
	fill: #217a30;
	font-weight: 600;
}

.tcs-height-marker-warning-triangle {
	fill: #f5c518;
	stroke: #8a6d00;
	stroke-width: 0.75;
	pointer-events: none;
}
.tcs-height-marker-warning-mark {
	font-size: 8px;
	font-weight: 700;
	fill: #1a1a1a;
	text-anchor: middle;
	dominant-baseline: middle;
	pointer-events: none;
	user-select: none;
}

.tcs-height-marker-hit {
	pointer-events: auto;
	cursor: help;
}