/**
	* Variáveis CSS para temas claro e escuro
	* Usando sistema de design com variáveis para facilitar manutenção
	*/
:root {
	/* Cores base */
	--primary-color: #3b82f6;
	--primary-hover: #2563eb;
	--secondary-color: #6366f1;
	--accent-color: #8b5cf6;
	
	/* Tema claro (padrão) */
	--bg-color: #f8fafc;
	--bg-card: #ffffff;
	--bg-header: #ffffff;
	--bg-footer: #1e293b;
	--text-color: #334155;
	--text-muted: #64748b;
	--text-heading: #1e293b;
	--border-color: #e2e8f0;
	--shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
	--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
	
	/* Categorias */
	--cat-frontend: #3b82f6;
	--cat-backend: #8b5cf6;
	--cat-design: #ec4899;
	--cat-devops: #10b981;
	--cat-mobile: #f59e0b;
	--cat-database: #6366f1;
	--cat-ai: #ef4444;
	--cat-tools: #0ea5e9;
	--cat-security: #64748b;
	--cat-testing: #14b8a6;
	
	/* Tamanhos e espaçamentos */
	--header-height: 4rem;
	--container-max-width: 75rem;
	--card-border-radius: 0.5rem;
	--input-border-radius: 0.375rem;
	--button-border-radius: 0.375rem;
	
	/* Transições */
	--transition-normal: 0.2s ease-in-out;
}

/* Tema escuro */
[data-theme="dark"] {
	--bg-color: #0f172a;
	--bg-card: #1e293b;
	--bg-header: #1e293b;
	--bg-footer: #0f172a;
	--text-color: #e2e8f0;
	--text-muted: #94a3b8;
	--text-heading: #f8fafc;
	--border-color: #334155;
	--shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.25);
	--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.2), 0 2px 4px -1px rgba(0, 0, 0, 0.1);
}

/**
	* Reset e estilos base
	* Usando rem para melhor responsividade e acessibilidade
	*/
* {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
}

html {
	font-size: 16px;
	scroll-behavior: smooth;
}

body {
	font-family: 'Inter', sans-serif;
	background-color: var(--bg-color);
	color: var(--text-color);
	line-height: 1.5;
	transition: background-color var(--transition-normal), color var(--transition-normal);
	min-height: 100vh;
	display: flex;
	flex-direction: column;
}

a {
	color: var(--primary-color);
	text-decoration: none;
	transition: color var(--transition-normal);
}

a:hover {
	color: var(--primary-hover);
}

img {
	max-width: 100%;
	height: auto;
}

/**
	* Layout e componentes
	*/
.container {
	width: 100%;
	max-width: var(--container-max-width);
	margin: 0 auto;
	padding: 0 1rem;
}

/* Cabeçalho */
.nav {
	background-color: var(--bg-header);
	box-shadow: var(--shadow-sm);
	position: sticky;
	top: 0;
	z-index: 100;
	height: var(--header-height);
	transition: background-color var(--transition-normal);
}

.nav-container {
	display: flex;
	justify-content: space-between;
	align-items: center;
	height: 100%;
}

.logo {
	display: flex;
	align-items: center;
	font-weight: 700;
	font-size: 1.25rem;
	color: var(--text-heading);
}

.logo i {
	margin-right: 0.5rem;
	color: var(--primary-color);
}

.theme-toggle {
	background: none;
	border: none;
	color: var(--text-color);
	cursor: pointer;
	font-size: 1.25rem;
	display: flex;
	align-items: center;
	justify-content: center;
	padding: 0.5rem;
	border-radius: 50%;
	transition: background-color var(--transition-normal);
}

.theme-toggle:hover {
	background-color: var(--border-color);
}

/* Conteúdo principal */
.main {
	flex: 1;
	padding: 2rem 0;
}

header.hero {
	text-align: center;
	margin: 1rem auto 2rem auto;
	max-width: 51rem;
}

.page-title {
	color: var(--text-heading);
	margin-bottom: 0.5rem;
	font-size: 1.90rem;
	font-weight: 700;
}

.page-description {
	color: var(--text-muted);
}

/* Barra de pesquisa */
.search-container {
	margin-bottom: 2rem;
	position: relative;
}

.search-input {
	width: 100%;
	padding: 0.75rem 1rem 0.75rem 2.5rem;
	border: 1px solid var(--border-color);
	border-radius: var(--input-border-radius);
	background-color: var(--bg-card);
	color: var(--text-color);
	font-size: 1rem;
	transition: border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.search-input:focus {
	outline: none;
	border-color: var(--primary-color);
	box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.25);
}

.search-icon {
	position: absolute;
	left: 0.75rem;
	top: 50%;
	transform: translateY(-50%);
	color: var(--text-muted);
	pointer-events: none;
}

/* Filtros de categoria */
.category-filters {
	display: flex;
	flex-wrap: wrap;
	gap: 0.5rem;
	margin-bottom: 2rem;
}

.category-btn {
	background-color: var(--bg-card);
	border: 1px solid var(--border-color);
	color: var(--text-color);
	padding: 0.5rem 1rem;
	border-radius: var(--button-border-radius);
	cursor: pointer;
	font-size: 0.875rem;
	transition: background-color var(--transition-normal), color var(--transition-normal), border-color var(--transition-normal);
	display: flex;
	align-items: center;
}

.category-btn:hover {
	background-color: var(--border-color);
}

.category-btn.active {
	background-color: var(--primary-color);
	color: white;
	border-color: var(--primary-color);
}

.category-btn i {
	margin-right: 0.375rem;
}

/* Grid de ferramentas */
.tools-grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(18rem, 1fr));
	gap: 1.5rem;
}

.tool-card {
	background-color: var(--bg-card);
	border-radius: var(--card-border-radius);
	border: 1px solid var(--border-color);
	box-shadow: var(--shadow-sm);
	padding: 1.25rem;
	transition: transform var(--transition-normal), box-shadow var(--transition-normal);
	display: flex;
	flex-direction: column;
}

.tool-card:hover {
	transform: translateY(-0.25rem);
	box-shadow: var(--shadow-md);
}

.tool-header {
	display: flex;
	align-items: flex-start;
	margin-bottom: 0.75rem;
}

.tool-icon {
	width: 2.5rem;
	height: 2.5rem;
	display: flex;
	align-items: center;
	justify-content: center;
	background-color: rgba(59, 130, 246, 0.1);
	color: var(--primary-color);
	border-radius: 0.5rem;
	margin-right: 0.75rem;
	flex-shrink: 0;
}

.tool-icon i {
	font-size: 1.25rem;
}

.tool-title {
	color: var(--text-heading);
	font-size: 1.125rem;
	font-weight: 600;
	margin-bottom: 0.25rem;
}

.tool-description {
	color: var(--text-muted);
	font-size: 0.875rem;
	margin-bottom: 1rem;
	flex-grow: 1;
}

.tool-tags {
	display: flex;
	flex-wrap: wrap;
	gap: 0.375rem;
	margin-bottom: 1rem;
}

.tool-tag {
	font-size: 0.75rem;
	padding: 0.25rem 0.5rem;
	border-radius: 1rem;
	display: inline-block;
	background-color: rgba(100, 116, 139, 0.1);
	color: var(--text-muted);
}

.tag-frontend {
	background-color: rgba(59, 130, 246, 0.1);
	color: var(--cat-frontend);
}

.tag-backend {
	background-color: rgba(139, 92, 246, 0.1);
	color: var(--cat-backend);
}

.tag-design {
	background-color: rgba(236, 72, 153, 0.1);
	color: var(--cat-design);
}

.tag-devops {
	background-color: rgba(16, 185, 129, 0.1);
	color: var(--cat-devops);
}

.tag-mobile {
	background-color: rgba(245, 158, 11, 0.1);
	color: var(--cat-mobile);
}

.tag-database {
	background-color: rgba(99, 102, 241, 0.1);
	color: var(--cat-database);
}

.tag-ai {
	background-color: rgba(239, 68, 68, 0.1);
	color: var(--cat-ai);
}

.tag-tools {
	background-color: rgba(14, 165, 233, 0.1);
	color: var(--cat-tools);
}

.tag-security {
	background-color: rgba(100, 116, 139, 0.1);
	color: var(--cat-security);
}

.tag-testing {
	background-color: rgba(20, 184, 166, 0.1);
	color: var(--cat-testing);
}

.tool-link {
	display: inline-flex;
	align-items: center;
	padding: 0.5rem 1rem;
	background-color: var(--primary-color);
	color: white;
	border-radius: var(--button-border-radius);
	font-size: 0.875rem;
	font-weight: 500;
	transition: background-color var(--transition-normal);
	justify-content: center;
}

.tool-link:hover {
	background-color: var(--primary-hover);
	color: white;
}

.tool-link i {
	margin-left: 0.375rem;
}

/* Mensagem de nenhum resultado */
.no-results {
	text-align: center;
	padding: 2rem;
	color: var(--text-muted);
	background-color: var(--bg-card);
	border-radius: var(--card-border-radius);
	border: 1px solid var(--border-color);
}

.no-results i {
	font-size: 2.5rem;
	margin-bottom: 1rem;
	display: block;
}

article {
	margin: 1rem 0 2rem;
	padding: 1.8rem;
	background-color: var(--bg-card);
	border-radius: var(--card-border-radius);
	border: 1px solid var(--border-color);
	box-shadow: var(--shadow-sm);
	line-height: 1.9;
}

article h1 {
	font-size: 2rem;
	color: var(--text-heading);
	margin-bottom: 1.5rem;
	line-height: 1.3;
}

article h2 {
	font-size: 1.5rem;
	color: var(--text-heading);
	margin-bottom: 1.5rem;
}

article h3 {
	font-size: 1.25rem;
	color: var(--text-heading);
	margin-bottom: 1.5rem;
}

article p {
	margin-bottom: 1.5rem;
}

article p:last-child {
	margin-bottom: 0;
}

article ul, article ol {
	margin: 1rem 0 1.5rem 1.5rem;
}

article li {
	margin-bottom: 0.5rem;
}

article img {
	margin: 1.5rem 0;
	border-radius: 0.375rem;
}

article blockquote {
	border-left: 4px solid var(--primary-color);
	padding: 0.5rem 0 0.5rem 1.5rem;
	margin: 1.5rem 0;
	color: var(--text-muted);
	font-style: italic;
}

article code {
	font-family: monospace;
	background-color: var(--border-color);
	padding: 0.2rem 0.4rem;
	border-radius: 0.25rem;
	font-size: 0.9em;
}

article pre {
	background-color: var(--bg-color);
	padding: 1rem;
	border-radius: var(--card-border-radius);
	overflow-x: auto;
	margin: 1.5rem 0;
	border: 1px solid var(--border-color);
}

article pre code {
	background-color: transparent;
	padding: 0;
}

@media (max-width: 768px) {
	article {
		padding: 1.5rem 1rem;
	}
	
	article h1 {
		font-size: 1.75rem;
	}
	
	article h2 {
		font-size: 1.35rem;
	}
}

/* Rodapé */
.footer {
	background-color: var(--bg-footer);
	color: white;
	padding: 2.5rem 0;
	margin-top: 2rem;
}

.footer-container {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
	gap: 2rem;
}

.footer-logo {
	font-weight: 700;
	font-size: 1.25rem;
	margin-bottom: 1rem;
	display: flex;
	align-items: center;
}

.footer-logo i {
	margin-right: 0.5rem;
	color: var(--primary-color);
}

.footer-description {
	color: var(--text-muted);
	font-size: 0.875rem;
	margin-bottom: 1.5rem;
}

.footer-heading {
	font-size: 1rem;
	font-weight: 600;
	margin-bottom: 1rem;
}

.footer-links {
	list-style: none;
}

.footer-link {
	margin-bottom: 0.5rem;
}

.footer-link a {
	color: var(--text-muted);
	font-size: 0.875rem;
	transition: color var(--transition-normal);
}

.footer-link a:hover {
	color: white;
}

.social-links {
	display: flex;
	gap: 1rem;
	margin-top: 1rem;
}

.social-link {
	color: var(--text-muted);
	font-size: 1.25rem;
	transition: color var(--transition-normal);
}

.social-link:hover {
	color: white;
}

.footer-bottom {
	margin-top: 2rem;
	padding-top: 1.5rem;
	border-top: 1px solid rgba(255, 255, 255, 0.1);
	display: flex;
	justify-content: space-between;
	align-items: center;
	flex-wrap: wrap;
	gap: 1rem;
}

.copyright {
	color: var(--text-muted);
	font-size: 0.875rem;
}

.footer-nav {
	display: flex;
	gap: 1.5rem;
}

.footer-nav-link {
	color: var(--text-muted);
	font-size: 0.875rem;
	transition: color var(--transition-normal);
}

.footer-nav-link:hover {
	color: white;
}

/* Responsividade */
@media (max-width: 768px) {
	.page-title {
		font-size: 1.5rem;
	}
	
	.tools-grid {
		grid-template-columns: repeat(auto-fill, minmax(16rem, 1fr));
	}
	
	.footer-bottom {
		flex-direction: column;
		align-items: flex-start;
	}
}

@media (max-width: 576px) {
	.category-filters {
		overflow-x: auto;
		padding-bottom: 0.5rem;
		margin-bottom: 1.5rem;
		flex-wrap: nowrap;
	}
	
	.category-btn {
		white-space: nowrap;
	}
	
	.tools-grid {
		grid-template-columns: 1fr;
	}
}

/* Acessibilidade */
@media (prefers-reduced-motion: reduce) {
	* {
		transition: none !important;
	}
	
	html {
		scroll-behavior: auto !important;
	}
}

/* Foco visível para acessibilidade */
:focus-visible {
	outline: 3px solid var(--primary-color);
	outline-offset: 2px;
}