{
	"$schema": "../schemas/code-crispies-module-schema.json",
	"id": "responsive-design",
	"title": "CSS Responsive Design",
	"description": "Make your layouts adapt to different screen sizes using media queries and fluid design techniques.",
	"difficulty": "intermediate",
	"lessons": [
		{
			"id": "responsive-1",
			"title": "Media Queries",
			"description": "Understand the syntax and use cases for CSS media queries to apply styles conditionally based on viewport characteristics.<br><br><pre>@media (max-width: 600px) {\n  .panel {\n    background: lightcoral;\n  }\n}</pre>",
			"task": "Write a media query with <kbd>@media (max-width: 600px)</kbd> that changes <kbd>.panel</kbd> background to <kbd>lightcoral</kbd>.",
			"previewHTML": "<div class=\"panel\">Resize the window</div>",
			"previewBaseCSS": "body { font-family: sans-serif; padding: 1rem; } .panel { padding: 1rem; background: lightblue; }",
			"sandboxCSS": "",
			"codePrefix": "/* Add your media query below */\n",
			"initialCode": "",
			"codeSuffix": "",
			"solution": "@media (max-width: 600px) {\n  .panel {\n    background: lightcoral;\n  }\n}",
			"previewContainer": "preview-area",
			"validations": [
				{
					"type": "regex",
					"value": "@media\\s*\\(max-width:\\s*600px\\)",
					"message": "Use <kbd>@media (max-width: 600px)</kbd>",
					"options": { "caseSensitive": false }
				},
				{
					"type": "contains",
					"value": ".panel",
					"message": "Target <kbd>.panel</kbd> inside the media query",
					"options": { "caseSensitive": false }
				},
				{
					"type": "property_value",
					"value": { "property": "background", "expected": "lightcoral" },
					"message": "Set <kbd>background: lightcoral</kbd>",
					"options": { "exact": false }
				}
			]
		},
		{
			"id": "responsive-2",
			"title": "Fluid Type",
			"description": "Use relative units like <kbd>vw</kbd> to make font sizes scale with the viewport width.",
			"task": "Set <kbd>font-size: 5vw</kbd> on <kbd>.text</kbd> so it scales as the viewport changes.",
			"previewHTML": "<p class=\"text\">Fluid Typography</p>",
			"previewBaseCSS": "body { font-family: sans-serif; padding: 1rem; }",
			"sandboxCSS": "",
			"codePrefix": "/* Apply fluid font sizing */\n.text {",
			"initialCode": "",
			"codeSuffix": "}",
			"solution": "  font-size: 5vw;",
			"previewContainer": "preview-area",
			"validations": [
				{ "type": "property_value", "value": { "property": "font-size", "expected": "5vw" }, "message": "Set <kbd>font-size: 5vw</kbd>" }
			]
		},
		{
			"id": "responsive-3",
			"title": "Responsive Grid",
			"description": "Combine CSS Grid with <kbd>auto-fit</kbd> or <kbd>auto-fill</kbd> for responsive column layouts that automatically adjust the number of columns based on available space.",
			"task": "Add <kbd>display: grid</kbd>, <kbd>grid-template-columns: repeat(auto-fit, minmax(200px, 1fr))</kbd>, and <kbd>gap: 1rem</kbd> to <kbd>.features</kbd>.",
			"previewHTML": "<section class=\"features\"><article class=\"feature\"><h3>Fast</h3><p>Lightning quick load times</p></article><article class=\"feature\"><h3>Secure</h3><p>Enterprise-grade security</p></article><article class=\"feature\"><h3>Reliable</h3><p>99.9% uptime guaranteed</p></article><article class=\"feature\"><h3>Support</h3><p>24/7 customer service</p></article></section>",
			"previewBaseCSS": "body { font-family: system-ui, sans-serif; padding: 1rem; background: #f5f5f5; } .feature { background: white; padding: 1rem; border-radius: 8px; box-shadow: 0 2px 4px rgba(0,0,0,0.1); } .feature h3 { margin: 0 0 8px; color: steelblue; } .feature p { margin: 0; color: #666; font-size: 0.9rem; }",
			"sandboxCSS": "",
			"codePrefix": ".features {\n  ",
			"initialCode": "",
			"codeSuffix": "\n}",
			"solution": "display: grid;\n  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));\n  gap: 1rem;",
			"previewContainer": "preview-area",
			"validations": [
				{
					"type": "property_value",
					"value": { "property": "display", "expected": "grid" },
					"message": "Set <kbd>display: grid</kbd>"
				},
				{
					"type": "regex",
					"value": "repeat\\(auto-fit,\\s*minmax\\(200px,\\s*1fr\\)\\)",
					"message": "Use <kbd>repeat(auto-fit, minmax(200px, 1fr))</kbd>",
					"options": { "caseSensitive": false }
				},
				{
					"type": "property_value",
					"value": { "property": "gap", "expected": "1rem" },
					"message": "Set <kbd>gap: 1rem</kbd>"
				}
			]
		},
		{
			"id": "responsive-4",
			"title": "Mobile-First",
			"description": "Adopt a mobile-first approach by writing base styles for small screens and enhancing for larger viewports.",
			"task": "Write a media query with <kbd>@media (min-width: 768px)</kbd> that sets <kbd>.sidebar</kbd> width to <kbd>250px</kbd>.",
			"previewHTML": "<aside class=\"sidebar\">Sidebar</aside>",
			"previewBaseCSS": "body { font-family: sans-serif; padding: 1rem; } .sidebar { background: #c8e6c9; padding: 1rem; }",
			"sandboxCSS": "",
			"codePrefix": "/* Add mobile-first enhancement */\n",
			"initialCode": "",
			"codeSuffix": "",
			"solution": "@media (min-width: 768px) {\n  .sidebar {\n    width: 250px;\n  }\n}",
			"previewContainer": "preview-area",
			"validations": [
				{
					"type": "regex",
					"value": "@media\\s*\\(min-width:\\s*768px\\)",
					"message": "Use <kbd>@media (min-width: 768px)</kbd>",
					"options": { "caseSensitive": false }
				},
				{
					"type": "contains",
					"value": ".sidebar",
					"message": "Target <kbd>.sidebar</kbd> inside media query",
					"options": { "caseSensitive": false }
				},
				{
					"type": "property_value",
					"value": { "property": "width", "expected": "250px" },
					"message": "Set <kbd>width: 250px</kbd>",
					"options": { "exact": false }
				}
			]
		}
	]
}