/* AI Virtual Try-On — Frontend Styles */

:root {
	--aivt-primary: #7c3aed;
	--aivt-secondary: #111827;
	--aivt-handle: #ffffff;
	--aivt-radius: 16px;
	--aivt-radius-sm: 10px;
}

.aivt-widget {
	margin: 16px 0;
}

.aivt-trigger-btn {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	padding: 12px 22px;
	background: linear-gradient(135deg, var(--aivt-primary), color-mix(in srgb, var(--aivt-primary) 70%, #000));
	color: #fff;
	border: none;
	border-radius: 999px;
	font-size: 15px;
	font-weight: 600;
	cursor: pointer;
	transition: transform 0.15s ease, box-shadow 0.15s ease;
	box-shadow: 0 4px 14px rgba(0, 0, 0, 0.15);
}

.aivt-trigger-btn:hover {
	transform: translateY(-2px);
	box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

.aivt-trigger-btn:active {
	transform: translateY(0);
}

.aivt-btn-icon svg {
	display: block;
}

/* Modal */

.aivt-modal-overlay {
	position: fixed;
	inset: 0;
	background: rgba(17, 24, 39, 0.6);
	display: flex;
	align-items: center;
	justify-content: center;
	z-index: 100000;
	padding: 16px;
	animation: aivt-fade-in 0.2s ease;
}

.aivt-modal-overlay[hidden] {
	display: none;
}

@keyframes aivt-fade-in {
	from { opacity: 0; }
	to { opacity: 1; }
}

.aivt-modal {
	background: #fff;
	border-radius: var(--aivt-radius);
	width: 100%;
	max-width: 640px;
	max-height: 90vh;
	overflow-y: auto;
	padding: 28px;
	position: relative;
	animation: aivt-pop-in 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
	box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

@keyframes aivt-pop-in {
	from { opacity: 0; transform: scale(0.94) translateY(10px); }
	to { opacity: 1; transform: scale(1) translateY(0); }
}

.aivt-modal-close {
	position: absolute;
	top: 16px;
	right: 16px;
	width: 32px;
	height: 32px;
	border-radius: 50%;
	border: none;
	background: #f3f4f6;
	font-size: 20px;
	line-height: 1;
	cursor: pointer;
	color: var(--aivt-secondary);
	transition: background 0.15s ease;
}

.aivt-modal-close:hover {
	background: #e5e7eb;
}

.aivt-modal-title {
	margin: 0 0 20px;
	font-size: 22px;
	font-weight: 700;
	color: var(--aivt-secondary);
	padding-right: 40px;
}

/* Upload step */

.aivt-preview-row {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 16px;
	margin-bottom: 20px;
}

.aivt-preview-box {
	position: relative;
	border-radius: var(--aivt-radius-sm);
	overflow: hidden;
	aspect-ratio: 3 / 4;
	background: #f9fafb;
	border: 2px solid #e5e7eb;
}

.aivt-preview-box img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	display: block;
}

.aivt-preview-label {
	position: absolute;
	bottom: 8px;
	left: 8px;
	background: rgba(17, 24, 39, 0.75);
	color: #fff;
	font-size: 11px;
	font-weight: 600;
	text-transform: uppercase;
	letter-spacing: 0.04em;
	padding: 3px 9px;
	border-radius: 999px;
}

.aivt-dropzone {
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	cursor: pointer;
	border-style: dashed;
	border-color: color-mix(in srgb, var(--aivt-primary) 50%, #cbd5e1);
	transition: border-color 0.15s ease, background 0.15s ease;
	text-align: center;
	padding: 12px;
}

.aivt-dropzone:hover,
.aivt-dropzone.aivt-dragover {
	border-color: var(--aivt-primary);
	background: color-mix(in srgb, var(--aivt-primary) 6%, #fff);
}

.aivt-dropzone-empty svg {
	color: var(--aivt-primary);
	margin-bottom: 8px;
}

.aivt-dropzone-empty p {
	margin: 0 0 4px;
	font-size: 13px;
	font-weight: 600;
	color: var(--aivt-secondary);
}

.aivt-dropzone-hint {
	font-size: 11px;
	color: #9ca3af;
}

.aivt-user-photo-preview {
	width: 100%;
	height: 100%;
	object-fit: cover;
	position: absolute;
	inset: 0;
}

.aivt-error-message {
	background: #fef2f2;
	color: #b91c1c;
	border-radius: var(--aivt-radius-sm);
	padding: 10px 14px;
	font-size: 13px;
	margin-bottom: 16px;
}

.aivt-error-message[hidden] {
	display: none;
}

.aivt-generate-btn,
.aivt-action-btn {
	width: 100%;
	padding: 14px 20px;
	border-radius: 999px;
	border: none;
	font-size: 15px;
	font-weight: 600;
	cursor: pointer;
	transition: transform 0.15s ease, opacity 0.15s ease;
}

.aivt-generate-btn {
	background: var(--aivt-primary);
	color: #fff;
}

.aivt-generate-btn:disabled {
	opacity: 0.45;
	cursor: not-allowed;
}

.aivt-generate-btn:not(:disabled):hover {
	transform: translateY(-2px);
}

/* Photo source toggle (Upload vs Camera) */

.aivt-photo-source-row {
	display: flex;
	gap: 8px;
	margin-bottom: 16px;
}

.aivt-source-btn {
	flex: 1;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 6px;
	padding: 9px 12px;
	border-radius: 999px;
	border: 1.5px solid #e5e7eb;
	background: #fff;
	color: #6b7280;
	font-size: 13px;
	font-weight: 600;
	cursor: pointer;
	transition: border-color 0.15s ease, color 0.15s ease, background 0.15s ease;
}

.aivt-source-btn svg {
	display: block;
	flex-shrink: 0;
}

.aivt-source-btn:hover {
	border-color: color-mix(in srgb, var(--aivt-primary) 40%, #e5e7eb);
}

.aivt-source-btn[aria-pressed="true"] {
	background: color-mix(in srgb, var(--aivt-primary) 10%, #fff);
	border-color: var(--aivt-primary);
	color: var(--aivt-primary);
}

/* Camera capture panel */

.aivt-camera-panel {
	margin-bottom: 20px;
}

.aivt-camera-panel[hidden] {
	display: none;
}

.aivt-camera-hint {
	font-size: 12.5px;
	color: #6b7280;
	text-align: center;
	margin: 0 0 10px;
	line-height: 1.4;
}

.aivt-camera-viewport {
	position: relative;
	width: 100%;
	aspect-ratio: 3 / 4;
	max-height: 380px;
	margin: 0 auto;
	background: #111827;
	border-radius: var(--aivt-radius-sm);
	overflow: hidden;
}

.aivt-camera-guide {
	position: absolute;
	inset: 0;
	width: 100%;
	height: 100%;
	pointer-events: none;
}

.aivt-camera-guide[hidden] {
	display: none;
}

.aivt-camera-video {
	width: 100%;
	height: 100%;
	object-fit: cover;
	display: block;
	transform: scaleX(-1); /* mirror the front camera preview, like a mirror */
}

.aivt-camera-captured-preview {
	width: 100%;
	height: 100%;
	object-fit: cover;
	position: absolute;
	inset: 0;
	display: block;
}

.aivt-camera-captured-preview[hidden],
.aivt-camera-video[hidden] {
	display: none;
}

.aivt-camera-error {
	background: #fef2f2;
	color: #b91c1c;
	border-radius: var(--aivt-radius-sm);
	padding: 10px 14px;
	font-size: 13px;
	margin-top: 10px;
}

.aivt-camera-error[hidden] {
	display: none;
}

.aivt-camera-controls {
	display: flex;
	gap: 8px;
	margin-top: 12px;
}

.aivt-camera-capture-btn,
.aivt-camera-retake-btn,
.aivt-camera-switch-btn {
	flex: 1;
	padding: 11px 16px;
	border-radius: 999px;
	border: none;
	font-size: 14px;
	font-weight: 600;
	cursor: pointer;
	transition: transform 0.15s ease, opacity 0.15s ease;
}

.aivt-camera-capture-btn {
	background: var(--aivt-primary);
	color: #fff;
}

.aivt-camera-capture-btn:hover {
	transform: translateY(-2px);
}

.aivt-camera-retake-btn,
.aivt-camera-switch-btn {
	background: #f3f4f6;
	color: var(--aivt-secondary);
}

.aivt-camera-retake-btn:hover,
.aivt-camera-switch-btn:hover {
	background: #e5e7eb;
}

.aivt-camera-capture-btn[hidden],
.aivt-camera-retake-btn[hidden],
.aivt-camera-switch-btn[hidden] {
	display: none;
}

/* Loading step */

.aivt-step-loading {
	text-align: center;
	padding: 30px 0;
}

.aivt-loader {
	margin: 0 auto 20px;
}

/* All three loader visuals are hidden by default; the wrapper's
   modifier class (aivt-loader-spinner / aivt-loader-bar / aivt-loader-skeleton)
   determines which single one is shown. */
.aivt-loader-spinner-el,
.aivt-loader-bar-el,
.aivt-loader-skeleton-el {
	display: none;
}

.aivt-loader.aivt-loader-spinner .aivt-loader-spinner-el { display: block; }
.aivt-loader.aivt-loader-bar .aivt-loader-bar-el { display: block; }
.aivt-loader.aivt-loader-skeleton .aivt-loader-skeleton-el { display: block; }

.aivt-loader-spinner-el {
	width: 56px;
	height: 56px;
	margin: 0 auto;
	border-radius: 50%;
	border: 5px solid #ede9fe;
	border-top-color: var(--aivt-primary);
	animation: aivt-spin 0.8s linear infinite;
}

.aivt-loader-bar-el {
	width: 100%;
	max-width: 320px;
	height: 10px;
	margin: 0 auto;
	background: #ede9fe;
	border-radius: 999px;
	overflow: hidden;
}

.aivt-loader-bar-el span {
	display: block;
	height: 100%;
	width: 0%;
	background: var(--aivt-primary);
	border-radius: 999px;
	transition: width 0.3s ease;
}

.aivt-loader-skeleton-el {
	width: 100%;
	max-width: 320px;
	height: 200px;
	margin: 0 auto;
	border-radius: var(--aivt-radius-sm);
	background: linear-gradient(90deg, #f3f4f6 25%, #e5e7eb 37%, #f3f4f6 63%);
	background-size: 400% 100%;
	animation: aivt-shimmer 1.4s ease infinite;
}

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

@keyframes aivt-shimmer {
	0% { background-position: 100% 0; }
	100% { background-position: 0 0; }
}

.aivt-loading-text {
	font-weight: 600;
	color: var(--aivt-secondary);
	margin: 0 0 4px;
}

.aivt-loading-eta {
	font-size: 13px;
	color: #6b7280;
	margin: 0;
}

/* Result / comparison step */

.aivt-step-result {
	text-align: center;
}

.aivt-comparison-slider {
	position: relative;
	width: 100%;
	aspect-ratio: 3 / 4;
	border-radius: var(--aivt-radius-sm);
	overflow: hidden;
	margin-bottom: 20px;
	user-select: none;
	background: #f3f4f6;
}

.aivt-comparison-before,
.aivt-comparison-after {
	position: absolute;
	inset: 0;
}

.aivt-comparison-before img,
.aivt-comparison-after img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	display: block;
}

.aivt-comparison-after {
	clip-path: inset(0 0 0 50%);
}

.aivt-orientation-vertical .aivt-comparison-after {
	clip-path: inset(50% 0 0 0);
}

.aivt-comparison-tag {
	position: absolute;
	top: 10px;
	background: rgba(17, 24, 39, 0.75);
	color: #fff;
	font-size: 11px;
	font-weight: 700;
	text-transform: uppercase;
	padding: 3px 10px;
	border-radius: 999px;
}

.aivt-tag-before { left: 10px; }
.aivt-tag-after { right: 10px; }

.aivt-comparison-handle {
	position: absolute;
	top: 0;
	bottom: 0;
	left: 50%;
	width: 4px;
	background: var(--aivt-handle);
	transform: translateX(-2px);
	cursor: ew-resize;
	display: flex;
	align-items: center;
	justify-content: center;
}

.aivt-orientation-vertical .aivt-comparison-handle {
	top: 50%;
	left: 0;
	right: 0;
	bottom: auto;
	width: auto;
	height: 4px;
	transform: translateY(-2px);
	cursor: ns-resize;
}

.aivt-handle-grip {
	width: 34px;
	height: 34px;
	border-radius: 50%;
	background: var(--aivt-handle);
	box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
	display: flex;
	align-items: center;
	justify-content: center;
}

.aivt-handle-grip::before {
	content: '';
	width: 12px;
	height: 12px;
	border-left: 2px solid var(--aivt-secondary);
	border-right: 2px solid var(--aivt-secondary);
}

.aivt-success-badge {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	color: #059669;
	background: #ecfdf5;
	padding: 8px 16px;
	border-radius: 999px;
	font-weight: 600;
	font-size: 13px;
	margin-bottom: 20px;
	animation: aivt-pop-in 0.3s ease;
}

.aivt-result-actions,
.aivt-purchase-actions {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	gap: 10px;
	margin-bottom: 12px;
}

.aivt-result-actions {
	grid-template-columns: repeat(4, 1fr);
}

.aivt-action-btn {
	background: #f3f4f6;
	color: var(--aivt-secondary);
	font-size: 13px;
	padding: 10px 8px;
}

.aivt-action-btn.aivt-primary {
	background: var(--aivt-secondary);
	color: #fff;
	font-size: 14px;
	padding: 14px 16px;
}

.aivt-action-btn:hover {
	opacity: 0.85;
}

/* Responsive */

@media (max-width: 600px) {
	.aivt-preview-row {
		grid-template-columns: 1fr;
	}

	.aivt-result-actions {
		grid-template-columns: repeat(2, 1fr);
	}

	.aivt-modal {
		padding: 20px;
	}
}