/* 
 * Shared Generator Styles
 * 使用项目主配色方案的统一样式
 * 可被所有 wallpaper generator 项目引用
 */

:root {
	/* 项目主配色方案 */
	--bg-primary: #110011;
	--bg-secondary: #221122;
	--bg-tertiary: #2d1a2d;
	--bg-elevated: #3a2a3a;
	
	--text-primary: rgb(230, 237, 243);
	--text-secondary: rgb(150, 157, 163);
	--text-highlight: #ddb784;
	
	--brand-primary: #e75624;
	--brand-light: #ff7a47;
	--brand-dark: #b33a12;
	
	--focus-color: #f97d1a;
	
	--border-subtle: rgba(230, 237, 243, 0.06);
	--border-medium: rgba(230, 237, 243, 0.12);
	
	--shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
	--shadow-md: 0 4px 16px rgba(0, 0, 0, 0.5);
	--shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.6);
}

/* Container */
main.generator .container {
	width: 100%;
	max-width: 1100px;
	background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
	border-radius: 16px;
	padding: 32px;
	margin: 0 auto;
	box-shadow: var(--shadow-lg);
	color: var(--text-primary);
	border: 1px solid var(--border-subtle);
}

/* Hero Section */
main.generator .hero h1 {
	margin: 0;
	font-size: 2rem;
	color: var(--text-primary);
	font-weight: 600;
	letter-spacing: -0.02em;
}

main.generator .lead {
	color: var(--text-secondary);
	margin-top: 8px;
	font-size: 1.05rem;
}

/* Controls */
main.generator .controls {
	display: flex;
	flex-direction: column;
	gap: 20px;
	margin-top: 24px;
}

/* File Upload */
main.generator .file-label {
	display: inline-block;
	padding: 12px 20px;
	background: transparent;
	border: 2px solid var(--brand-primary);
	border-radius: 10px;
	cursor: pointer;
	color: var(--brand-primary);
	width: max-content;
	transition: all 0.2s ease;
	font-weight: 500;
}

main.generator .file-label:hover {
	background: var(--brand-primary);
	border-color: var(--brand-primary);
	color: white;
	transform: translateY(-2px);
	box-shadow: var(--shadow-sm);
}

main.generator input[type="file"] {
	position: absolute !important;
	left: -9999px;
	width: 1px;
	height: 1px;
	overflow: hidden;
}

/* Format Selector */
.format-selector {
	display: flex;
	flex-direction: column;
	gap: 10px;
}

.format-selector label {
	color: var(--text-primary);
	font-weight: 500;
	font-size: 0.95rem;
}

.format-toggle {
	display: inline-flex;
	background: var(--bg-tertiary);
	padding: 4px;
	border-radius: 10px;
	border: 1px solid var(--border-subtle);
	gap: 4px;
}

.format-btn {
	background: transparent;
	border: 0;
	color: var(--text-secondary);
	padding: 10px 14px;
	border-radius: 8px;
	cursor: pointer;
	font-weight: 600;
	transition: all 0.2s ease;
}

.format-btn.active {
	background: var(--brand-primary);
	color: white;
	box-shadow: 0 4px 12px rgba(231, 86, 36, 0.3);
}

.format-btn:not(.active):hover {
	background: var(--bg-elevated);
	color: var(--text-primary);
}

.format-btn.disabled,
.format-btn[disabled] {
	opacity: 0.4;
	cursor: not-allowed;
	filter: grayscale(0.3);
}

.format-selector .tips {
	font-size: 0.85rem;
	color: var(--text-secondary);
	padding: 6px 0 0 8px;
}

/* Upload Preview */
main.generator .upload-preview {
	display: flex;
	align-items: center;
	justify-content: center;
	padding: 20px;
	border-radius: 16px;
	background: var(--bg-tertiary);
	border: 3px dashed var(--border-medium);
	width: 100%;
	max-width: 600px;
	aspect-ratio: 16 / 9;
	position: relative;
	overflow: hidden;
	transition: all 0.3s ease;
	cursor: pointer;
}

main.generator .upload-preview:hover {
	border-color: var(--brand-primary);
	background: rgba(231, 86, 36, 0.05);
	transform: translateY(-2px);
	box-shadow: var(--shadow-md);
}

main.generator .upload-preview.drag-over {
	border-color: var(--brand-primary);
	background: rgba(231, 86, 36, 0.1);
	border-width: 4px;
	transform: scale(1.02);
	box-shadow: 0 0 30px rgba(231, 86, 36, 0.4);
}

main.generator .upload-preview::after {
	content: "Click or drag image here";
	color: var(--text-secondary);
	font-size: 1.1rem;
	position: absolute;
	pointer-events: none;
	left: 50%;
	top: 50%;
	transform: translate(-50%, -50%);
	text-align: center;
	white-space: nowrap;
	font-weight: 500;
}

main.generator .upload-preview.img-loaded::after {
	display: none;
}

main.generator .upload-preview img {
	width: 100%;
	height: 100%;
	object-fit: contain;
	border-radius: 8px;
	box-shadow: var(--shadow-md);
	opacity: 0;
	transition: opacity 0.3s ease;
}

main.generator .upload-preview img.loaded {
	opacity: 1;
}

/* Preview Grid */
main.generator .preview-grid {
	display: grid;
	grid-template-columns: minmax(160px, 57.5%) 42.5%;
	gap: 12px;
	margin-top: 12px;
	align-items: stretch;
}

main.generator .preview-grid > .preview-item:first-child {
	grid-column: 1 / 2;
	grid-row: 1 / 4;
}

main.generator .preview-item {
	background: var(--bg-tertiary);
	padding: 12px;
	border-radius: 12px;
	text-align: center;
	border: 1px solid var(--border-subtle);
	box-shadow: var(--shadow-sm);
	position: relative;
	min-height: 120px;
	display: flex;
	flex-direction: column;
	transition: transform 0.2s ease, box-shadow 0.2s ease;
}

main.generator .preview-item:hover {
	transform: translateY(-2px);
	box-shadow: var(--shadow-md);
	border-color: var(--border-medium);
}

main.generator .preview-item h3 {
	margin: 0 0 10px 0;
	font-size: 1.05rem;
	color: var(--text-primary);
	font-weight: 600;
}

main.generator .preview-item::after {
	content: "No preview";
	color: var(--text-secondary);
	position: absolute;
	left: 0;
	right: 0;
	top: 50%;
	transform: translateY(-50%);
	text-align: center;
	font-size: 0.9rem;
}

main.generator .preview-item.img-loaded::after {
	display: none;
}

.preview-media {
	flex: 1 1 auto;
	display: block;
	overflow: hidden;
	border-radius: 8px;
	background: var(--bg-primary);
}

main.generator .preview-item img {
	width: 100%;
	object-fit: contain;
	display: block;
	border-radius: 8px;
	background: var(--bg-primary);
	opacity: 0;
	transition: opacity 0.3s ease;
}

main.generator .preview-item img.loaded {
	opacity: 1;
}

main.generator .preview-item .download-btn {
	margin-top: 10px;
	flex: 0 0 auto;
}

/* Controls Row */
main.generator .controls-row {
	display: flex;
	gap: 20px;
	align-items: center;
	justify-content: center;
	margin-top: 16px;
}

main.generator .upload-center {
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	width: 100%;
	max-width: 600px;
}

main.generator .upload-right {
	flex: 0 0 45%;
	display: flex;
	flex-direction: column;
	gap: 14px;
	align-items: flex-end;
}

main.generator .upload-left {
	flex: 1 1 55%;
	display: flex;
	align-items: center;
	justify-content: center;
}

/* Buttons */
main.generator .download-btn {
	margin: 8px;
	padding: 8px 12px;
	background: rgba(231, 86, 36, 0.1);
	color: var(--brand-primary);
	border: 1px solid rgba(231, 86, 36, 0.3);
	border-radius: 8px;
	cursor: pointer;
	font-size: 0.9rem;
	font-weight: 500;
	align-self: stretch;
	transition: all 0.2s ease;
}

main.generator .download-btn:hover {
	transform: translateY(-2px);
	box-shadow: 0 6px 16px rgba(231, 86, 36, 0.25);
	background: rgba(231, 86, 36, 0.15);
	border-color: var(--brand-primary);
	color: var(--brand-light);
}

main.generator .download-btn:active {
	transform: translateY(0);
}

main.generator .download-btn:focus {
	outline: 2px solid var(--focus-color);
	outline-offset: 2px;
}

main.generator .actions {
	display: flex;
	gap: 12px;
	margin-top: 12px;
	justify-content: flex-end;
}

main.generator .btn-primary {
	background: var(--brand-primary);
	color: white;
	border: none;
	padding: 12px 20px;
	border-radius: 10px;
	cursor: pointer;
	font-weight: 600;
	box-shadow: 0 4px 12px rgba(231, 86, 36, 0.3);
	transition: all 0.2s ease;
}

main.generator .btn-primary:hover {
	transform: translateY(-2px);
	box-shadow: 0 6px 20px rgba(231, 86, 36, 0.4);
	background: var(--brand-light);
}

main.generator .btn-primary:active {
	transform: translateY(0);
}

main.generator .btn-primary:focus {
	outline: 2px solid var(--focus-color);
	outline-offset: 2px;
}

/* Accessibility */
main.generator .visually-hidden {
	position: absolute !important;
	height: 1px;
	width: 1px;
	overflow: hidden;
	clip: rect(1px, 1px, 1px, 1px);
	white-space: nowrap;
}

/* Utility */
.hidden {
	display: none !important;
}

.upload-preview {
	max-width: 100%;
}

/* Export Section */
.export-section {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 24px;
	margin-top: 20px;
	padding: 20px;
	background: var(--bg-tertiary);
	border-radius: 12px;
	border: 1px solid var(--border-subtle);
}

.export-section .format-selector {
	flex: 1;
	gap: 8px;
}

.export-section .format-selector label {
	margin-bottom: 8px;
	display: block;
}

.export-section .format-toggle {
	margin-bottom: 8px;
}

.export-section .actions {
	margin: 0;
	flex-shrink: 0;
}

.export-section .btn-primary {
	white-space: nowrap;
}

/* Mockup Grid */
.mockup-grid {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 20px;
	margin-top: 24px;
}

.mockup-item {
	background: var(--bg-tertiary);
	padding: 20px;
	border-radius: 12px;
	border: 1px solid var(--border-subtle);
	box-shadow: var(--shadow-sm);
}

.mockup-item h3 {
	margin: 0 0 16px 0;
	font-size: 1.1rem;
	color: var(--text-primary);
	font-weight: 600;
}

.mockup-item-media {
	width: 100%;
	border-radius: 8px;
	overflow: hidden;
	background: var(--bg-primary);
	display: flex;
	align-items: center;
	justify-content: center;
	min-height: 300px;
}

.mockup-item-media img {
	width: 100%;
	height: auto;
	display: block;
}

/* Background Selector */
.mockup-item-background-selector {
	background: var(--bg-tertiary);
	padding: 20px;
	border-radius: 12px;
	border: 1px solid var(--border-subtle);
	box-shadow: var(--shadow-sm);
}

.mockup-item-background-selector h3 {
	margin: 0 0 16px 0;
	font-size: 1.1rem;
	color: var(--text-primary);
	font-weight: 600;
}

#mockup-item-background-list {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
	gap: 12px;
}

.mockup-bg-btn {
	width: 100%;
	aspect-ratio: 1;
	border: 3px solid var(--border-medium);
	border-radius: 12px;
	cursor: pointer;
	transition: all 0.2s ease;
	padding: 0;
	box-shadow: var(--shadow-sm);
	position: relative;
	overflow: hidden;
}

.mockup-bg-btn:hover {
	transform: translateY(-4px) scale(1.05);
	box-shadow: var(--shadow-md);
	border-color: var(--brand-primary);
}

.mockup-bg-btn:active {
	transform: translateY(-2px) scale(1.02);
}

.mockup-bg-btn:focus {
	outline: 2px solid var(--focus-color);
	outline-offset: 2px;
	border-color: var(--brand-primary);
}

/* Responsive */
@media (max-width: 800px) {
	main.generator .container {
		padding: 20px;
		width: auto;
	}
	
	main.generator .hero h1 {
		font-size: 1.5rem;
	}
	
	main.generator .preview-grid {
		grid-template-columns: 1fr;
		grid-template-rows: none;
	}
	
	main.generator .preview-grid > .preview-item:first-child {
		grid-row: auto;
		grid-column: auto;
	}
	
	main.generator .preview-item {
		min-height: 160px;
	}
	
	main.generator .preview-item img {
		height: 120px;
	}
	
	main.generator .controls-row {
		flex-direction: column;
	}
	
	main.generator .upload-center {
		width: 100%;
		max-width: 100%;
	}
	
	main.generator .upload-left,
	main.generator .upload-right {
		flex: auto;
	}
	
	main.generator .upload-left {
		width: 100%;
	}
	
	main.generator .upload-right {
		width: 100%;
		justify-content: center;
		align-items: center;
	}
	
	main.generator .upload-preview {
		max-width: 100%;
		margin: 0 auto;
	}
	
	main.generator .actions {
		justify-content: center;
		width: 100%;
	}
	
	.export-section {
		flex-direction: column;
		align-items: stretch;
	}
	
	.export-section .format-selector {
		width: 100%;
	}
	
	.export-section .actions {
		width: 100%;
	}
	
	.export-section .btn-primary {
		width: 100%;
	}
	
	.mockup-grid {
		grid-template-columns: 1fr;
	}
	
	#mockup-item-background-list {
		grid-template-columns: repeat(auto-fill, minmax(60px, 1fr));
		gap: 10px;
	}
	
	.mockup-bg-btn {
		border-width: 2px;
	}
}