/**
 * Siding Visualizer — Frontend Styles
 *
 * Uses Astra theme CSS custom properties with Nordhauser brand fallbacks.
 */

.siding-vis {
	--sv-primary: var(--ast-global-color-2, #023d2a);
	--sv-accent: var(--ast-global-color-0, #023d2a);
	--sv-accent-hover: var(--ast-global-color-1, #467061);
	--sv-bg: var(--ast-global-color-4, #cee2d2);
	--sv-card-bg: var(--ast-global-color-5, #ffffff);
	--sv-border: var(--ast-global-color-6, #568a6e);
	--sv-text: var(--ast-global-color-3, #040605);
	--sv-text-light: var(--ast-global-color-6, #568a6e);
	--sv-error: #e53935;
	--sv-success: #2e7d32;
	--sv-info: #1565c0;
	--sv-radius: 4px;

	font-family: inherit;
	color: var(--sv-text);
	max-width: 1400px;
	margin: 0 auto;
}

/* Header */
.siding-vis-header {
	padding: 16px 20px;
	border-bottom: 1px solid var(--sv-border);
	background: var(--sv-card-bg);
	border-radius: var(--sv-radius) var(--sv-radius) 0 0;
}

.siding-vis-title {
	font-size: 20px;
	font-weight: 600;
	color: var(--sv-primary);
	margin: 0;
	padding: 0;
}

/* App layout */
.siding-vis-app {
	display: grid;
	grid-template-columns: 300px 1fr;
	min-height: 600px;
	border: 1px solid var(--sv-border);
	border-top: none;
	border-radius: 0 0 var(--sv-radius) var(--sv-radius);
	overflow: hidden;
}

/* Sidebar */
.siding-vis-sidebar {
	background: var(--sv-card-bg);
	border-right: 1px solid var(--sv-border);
	padding: 16px;
	overflow-y: auto;
	max-height: 700px;
	display: flex;
	flex-direction: column;
	gap: 16px;
}

.siding-vis-section-title {
	font-size: 11px;
	font-weight: 600;
	text-transform: uppercase;
	letter-spacing: 0.8px;
	color: var(--sv-text-light);
	margin-bottom: 8px;
}

/* Dropzone */
.siding-vis-dropzone {
	border: 2px dashed var(--sv-border);
	border-radius: 10px;
	padding: 24px 16px;
	text-align: center;
	cursor: pointer;
	transition: border-color 0.2s, background 0.2s;
}

.siding-vis-dropzone:hover,
.siding-vis-dropzone.dragover {
	border-color: var(--sv-accent);
	background: rgba(2, 61, 42, 0.06);
}

.siding-vis-dropzone-icon {
	color: var(--sv-text-light);
	margin-bottom: 8px;
}

.siding-vis-dropzone p {
	font-size: 13px;
	color: var(--sv-text-light);
	margin: 0;
}

.siding-vis-dropzone.has-photo {
	padding: 8px;
	border-style: solid;
}

.siding-vis-dropzone.has-photo .siding-vis-dropzone-icon,
.siding-vis-dropzone.has-photo p {
	display: none;
}

.siding-vis-dropzone .siding-vis-thumb {
	max-width: 100%;
	max-height: 80px;
	border-radius: 6px;
	display: block;
	margin: 0 auto;
}

/* Profile cards */
.siding-vis-profiles {
	display: flex;
	flex-direction: column;
	gap: 6px;
}

.siding-vis-profile-card {
	display: flex;
	align-items: center;
	gap: 10px;
	padding: 10px 12px;
	border: 2px solid transparent;
	border-radius: var(--sv-radius);
	cursor: pointer;
	transition: border-color 0.2s, background 0.2s;
	background: var(--sv-bg);
}

.siding-vis-profile-card:hover {
	border-color: var(--sv-border);
}

.siding-vis-profile-card.active {
	border-color: var(--sv-accent);
	background: rgba(2, 61, 42, 0.08);
}

.siding-vis-profile-card .profile-radio {
	width: 16px;
	height: 16px;
	border-radius: 50%;
	border: 2px solid var(--sv-border);
	flex-shrink: 0;
	display: flex;
	align-items: center;
	justify-content: center;
}

.siding-vis-profile-card.active .profile-radio {
	border-color: var(--sv-accent);
}

.siding-vis-profile-card.active .profile-radio::after {
	content: '';
	width: 8px;
	height: 8px;
	border-radius: 50%;
	background: var(--sv-accent);
}

.siding-vis-profile-card .profile-info {
	flex: 1;
	min-width: 0;
}

.siding-vis-profile-card .profile-name {
	font-size: 14px;
	font-weight: 600;
	color: var(--sv-text);
}

.siding-vis-profile-card .profile-desc {
	font-size: 11px;
	color: var(--sv-text-light);
	white-space: nowrap;
	overflow: hidden;
	text-overflow: ellipsis;
}

/* Texture toggles */
.siding-vis-textures {
	display: flex;
	gap: 6px;
}

.siding-vis-texture-btn {
	flex: 1;
	padding: 8px 12px;
	border: 2px solid var(--sv-border);
	border-radius: var(--sv-radius);
	background: var(--sv-card-bg);
	color: var(--sv-text);
	font-size: 13px;
	font-weight: 500;
	cursor: pointer;
	transition: border-color 0.2s, background 0.2s;
	text-align: center;
}

.siding-vis-texture-btn:hover {
	border-color: var(--sv-accent-hover);
}

.siding-vis-texture-btn.active {
	border-color: var(--sv-accent);
	background: rgba(2, 61, 42, 0.08);
	color: var(--sv-accent);
	font-weight: 600;
}

/* Color swatches */
.siding-vis-swatches {
	display: flex;
	flex-wrap: wrap;
	gap: 6px;
}

.siding-vis-swatch {
	width: 32px;
	height: 32px;
	border-radius: 6px;
	border: 2px solid transparent;
	cursor: pointer;
	transition: border-color 0.2s, transform 0.15s;
	position: relative;
}

.siding-vis-swatch:hover {
	transform: scale(1.15);
}

.siding-vis-swatch.active {
	border-color: var(--sv-accent);
	box-shadow: 0 0 0 2px rgba(2, 61, 42, 0.3);
}

.siding-vis-swatch .swatch-tooltip {
	position: absolute;
	bottom: 110%;
	left: 50%;
	transform: translateX(-50%);
	background: var(--sv-primary);
	color: #fff;
	padding: 3px 8px;
	border-radius: 4px;
	font-size: 11px;
	white-space: nowrap;
	pointer-events: none;
	opacity: 0;
	transition: opacity 0.2s;
	z-index: 10;
}

.siding-vis-swatch:hover .swatch-tooltip {
	opacity: 1;
}

/* Reference image grid */
.siding-vis-ref-grid {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
}

.siding-vis-ref-card {
	width: 76px;
	height: 76px;
	border-radius: 8px;
	border: 2px solid transparent;
	cursor: pointer;
	overflow: hidden;
	position: relative;
	transition: border-color 0.2s, transform 0.15s;
	background: var(--sv-bg);
}

.siding-vis-ref-card:hover {
	transform: scale(1.05);
}

.siding-vis-ref-card.active {
	border-color: var(--sv-accent);
	box-shadow: 0 0 0 2px rgba(2, 61, 42, 0.3);
}

.siding-vis-ref-card img {
	width: 100%;
	height: 100%;
	object-fit: cover;
}

.siding-vis-ref-card .ref-label {
	position: absolute;
	bottom: 0;
	left: 0;
	right: 0;
	background: rgba(0, 0, 0, 0.65);
	font-size: 9px;
	padding: 2px 4px;
	text-align: center;
	color: #fff;
}

.siding-vis-ref-card.no-image {
	display: flex;
	align-items: center;
	justify-content: center;
	font-size: 10px;
	color: var(--sv-text-light);
	text-align: center;
	padding: 4px;
}

/* Brush controls */
.siding-vis-brush-controls {
	display: flex;
	align-items: center;
	gap: 8px;
	margin-top: 8px;
}

.siding-vis-brush-label {
	font-size: 12px;
	color: var(--sv-text-light);
}

.siding-vis-brush-controls input[type="range"] {
	flex: 1;
	accent-color: var(--sv-accent);
}

#sidingBrushSizeLabel {
	font-size: 12px;
	color: var(--sv-text-light);
	min-width: 30px;
}

.siding-vis-draw-info {
	font-size: 12px;
	color: var(--sv-text-light);
	line-height: 1.5;
	margin: 0;
}

.siding-vis-draw-actions {
	display: flex;
	gap: 6px;
	margin-top: 8px;
}

/* Buttons */
.siding-vis-btn-small {
	padding: 6px 12px;
	border-radius: var(--sv-radius);
	border: 1px solid var(--sv-border);
	background: var(--sv-card-bg);
	color: var(--sv-text);
	cursor: pointer;
	font-size: 12px;
	transition: background 0.2s;
}

.siding-vis-btn-small:hover {
	background: var(--sv-bg);
}

.siding-vis-btn-primary {
	background: var(--sv-accent) !important;
	border-color: var(--sv-accent) !important;
	color: #fff !important;
}

.siding-vis-btn-primary:hover {
	background: var(--sv-accent-hover) !important;
}

.siding-vis-btn-generate {
	width: 100%;
	padding: 14px;
	background: var(--sv-accent);
	color: #fff;
	border: none;
	border-radius: var(--sv-radius);
	font-size: 15px;
	font-weight: 600;
	cursor: pointer;
	transition: background 0.2s, transform 0.1s;
}

.siding-vis-btn-generate:hover:not(:disabled) {
	background: var(--sv-accent-hover);
}

.siding-vis-btn-generate:active:not(:disabled) {
	transform: scale(0.98);
}

.siding-vis-btn-generate:disabled {
	background: #ccc;
	color: #888;
	cursor: not-allowed;
}

/* Main Area */
.siding-vis-main {
	display: flex;
	flex-direction: column;
	overflow: hidden;
	background: var(--sv-bg);
}

.siding-vis-canvas-wrapper {
	flex: 1;
	position: relative;
	display: flex;
	align-items: center;
	justify-content: center;
	overflow: hidden;
	min-height: 400px;
}

.siding-vis-canvas-empty {
	color: var(--sv-text-light);
	font-size: 16px;
}

.siding-vis-canvas-container {
	position: relative;
}

.siding-vis-canvas-container canvas {
	position: absolute;
	top: 0;
	left: 0;
}

#sidingPhotoCanvas {
	position: relative;
}

#sidingDrawCanvas {
	cursor: crosshair;
	z-index: 2;
}

/* Loading overlay */
.siding-vis-loading {
	position: absolute;
	inset: 0;
	background: rgba(255, 255, 255, 0.85);
	z-index: 10;
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	gap: 16px;
}

.siding-vis-spinner {
	width: 48px;
	height: 48px;
	border: 4px solid var(--sv-border);
	border-top-color: var(--sv-accent);
	border-radius: 50%;
	animation: siding-spin 1s linear infinite;
}

@keyframes siding-spin {
	to { transform: rotate(360deg); }
}

.siding-vis-loading p {
	color: var(--sv-text-light);
	font-size: 14px;
}

/* Result area */
.siding-vis-result {
	background: var(--sv-card-bg);
	border-top: 1px solid var(--sv-border);
}

.siding-vis-result-header {
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding: 10px 16px;
}

.siding-vis-result-header h3 {
	font-size: 14px;
	color: var(--sv-text-light);
	margin: 0;
}

.siding-vis-result-actions {
	display: flex;
	gap: 8px;
}

.siding-vis-result-image {
	display: flex;
	justify-content: center;
	padding: 0 16px 16px;
	max-height: 45vh;
	overflow: auto;
}

.siding-vis-result-image img {
	max-width: 100%;
	max-height: 40vh;
	border-radius: 8px;
}

/* Toast notifications */
.siding-vis-toasts {
	position: fixed;
	top: 20px;
	right: 20px;
	z-index: 200;
	display: flex;
	flex-direction: column;
	gap: 8px;
}

.siding-vis-toast {
	padding: 12px 20px;
	border-radius: 8px;
	font-size: 13px;
	color: #fff;
	animation: siding-toast-in 0.3s ease;
	max-width: 400px;
	word-break: break-word;
}

.siding-vis-toast.error { background: var(--sv-error); }
.siding-vis-toast.success { background: var(--sv-success); }
.siding-vis-toast.info { background: var(--sv-info); }

@keyframes siding-toast-in {
	from { opacity: 0; transform: translateY(-10px); }
	to { opacity: 1; transform: translateY(0); }
}

/* Responsive */
@media (max-width: 768px) {
	.siding-vis-app {
		grid-template-columns: 1fr;
		grid-template-rows: auto 1fr;
	}

	.siding-vis-sidebar {
		max-height: none;
		border-right: none;
		border-bottom: 1px solid var(--sv-border);
	}

	.siding-vis-canvas-wrapper {
		min-height: 300px;
	}
}