/**
 * main.css — Design system do tema Escola Educação.
 *
 * Camada de tokens e componentes carregada DEPOIS do Bootstrap 5.
 * Estratégia: definir tokens próprios (--ee-*) e fazer o Bootstrap consumi-los
 * (--bs-* = var(--ee-*)), em vez de reescrever grid/reset/componentes.
 * Os componentes .ee-* são uma camada fina e opcional sobre as classes do
 * Bootstrap — documentados em inc/design-notes.md.
 *
 * Sumário:
 *   1. Tokens (cores, fontes, espaçamentos, bordas, sombras, containers)
 *   2. Mapeamento dos tokens para as variáveis do Bootstrap (--bs-*)
 *   3. Estilos globais (body, links, títulos, parágrafos, imagens, botões)
 *   4. Utilitários do tema (.ee-container, .ee-section, .ee-grid, .ee-muted)
 *   5. Componentes base (.ee-btn, .ee-chip, .ee-badge, .ee-card,
 *      .ee-section-title, .ee-kicker)
 *   6. Estruturas do tema (cabeçalho, hero, widgets, conteúdo, 404)
 *   7. Acessibilidade (focus-visible, skip-link, redução de motion)
 *
 * Breakpoints e ajustes responsivos ficam em responsive.css.
 */

/* ==========================================================================
   1. Tokens — fundação do design system
   ========================================================================== */
:root {
	/* --- Cores da marca: azul (confiança) + laranja (destaque) --- */
	--ee-blue: #1565c0;        /* Azul principal */
	--ee-blue-dark: #0d47a1;   /* Azul escuro — títulos, hover, topo/rodapé */
	--ee-blue-light: #e3f2fd;  /* Azul claro — fundos suaves, realces */
	--ee-orange: #fb8c00;      /* Laranja de destaque — CTAs, badges */
	--ee-orange-dark: #ef6c00; /* Laranja escuro — hover do laranja */

	/* --- Cores de apoio (uso pontual, educação/natureza) --- */
	--ee-yellow: #ffd54f;      /* Amarelo suave — realces leves, marcadores */
	--ee-green: #43a047;       /* Verde suave — sucesso, natureza */
	--ee-green-light: #e8f5e9; /* Verde claro — fundos de sucesso */

	/* --- Neutros --- */
	--ee-white: #ffffff;
	--ee-bg: #f5f7fa;          /* Fundo claro da página */
	--ee-bg-alt: #eceff4;      /* Faixas alternadas / fundos sutis */
	--ee-border: #dce3ec;      /* Bordas neutras */
	--ee-gray-100: #f1f4f8;
	--ee-gray-300: #cbd5e1;
	--ee-gray-500: #64748b;    /* Texto secundário acessível */
	--ee-gray-700: #334155;

	/* --- Texto --- */
	--ee-text: #1a2233;        /* Texto principal de alta legibilidade */
	--ee-text-muted: #5b6675;  /* Texto secundário */
	--ee-text-invert: #ffffff;

	/* --- Tipografia: system font stack (sem Google Fonts) --- */
	--ee-font-base: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
		Oxygen, Ubuntu, Cantarell, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
	--ee-font-heading: var(--ee-font-base);
	--ee-line-height: 1.6;

	/* --- Escala de espaçamento (passo base 0.25rem / 4px) --- */
	--ee-space-1: 0.25rem;
	--ee-space-2: 0.5rem;
	--ee-space-3: 0.75rem;
	--ee-space-4: 1rem;
	--ee-space-5: 1.5rem;
	--ee-space-6: 2rem;
	--ee-space-7: 3rem;
	--ee-space-8: 4rem;

	/* --- Bordas e raios --- */
	--ee-radius-sm: 0.375rem;  /* Pequeno — inputs, chips */
	--ee-radius-md: 0.625rem;  /* Médio — cards, botões */
	--ee-radius-lg: 1rem;      /* Grande — hero, blocos editoriais */
	--ee-radius-pill: 999px;   /* Pílula — badges, chips arredondados */

	/* --- Sombras suaves (flat, sem exagero) --- */
	--ee-shadow-sm: 0 1px 3px rgba(26, 34, 51, 0.06);
	--ee-shadow: 0 2px 8px rgba(26, 34, 51, 0.08);
	--ee-shadow-lg: 0 8px 24px rgba(26, 34, 51, 0.12);

	/* --- Containers (largura máxima) --- */
	--ee-container-max: 1200px; /* Largura editorial geral */
	--ee-content-max: 760px;    /* Largura confortável de leitura (posts) */

	/* --- Transições --- */
	--ee-transition: 0.2s ease-in-out;
}

/* ==========================================================================
   2. Mapeamento dos tokens para o Bootstrap
   --------------------------------------------------------------------------
   Faz o Bootstrap "herdar" a identidade do tema sem editar o arquivo do
   Bootstrap. Sobrescreve apenas as variáveis necessárias.
   ========================================================================== */
:root {
	/* Cor primária = azul da marca */
	--bs-primary: var(--ee-blue);
	--bs-primary-rgb: 21, 101, 192;

	/* Links */
	--bs-link-color: var(--ee-blue);
	--bs-link-color-rgb: 21, 101, 192;
	--bs-link-hover-color: var(--ee-blue-dark);
	--bs-link-hover-color-rgb: 13, 71, 161;

	/* Corpo */
	--bs-body-bg: var(--ee-bg);
	--bs-body-color: var(--ee-text);
	--bs-body-font-family: var(--ee-font-base);

	/* Bordas e raios alinhados aos tokens */
	--bs-border-color: var(--ee-border);
	--bs-border-radius: var(--ee-radius-md);
	--bs-border-radius-sm: var(--ee-radius-sm);
	--bs-border-radius-lg: var(--ee-radius-lg);
}

/* ==========================================================================
   3. Estilos globais
   ========================================================================== */

/* Corpo */
body {
	font-family: var(--ee-font-base);
	line-height: var(--ee-line-height);
	color: var(--ee-text);
	background-color: var(--ee-bg);
}

/* Títulos h1–h6 */
h1, h2, h3, h4, h5, h6,
.h1, .h2, .h3, .h4, .h5, .h6 {
	font-family: var(--ee-font-heading);
	font-weight: 700;
	color: var(--ee-blue-dark);
	line-height: 1.25;
}

/* Parágrafos */
p {
	margin-top: 0;
	margin-bottom: var(--ee-space-4);
}

/* Links — identificáveis e com cor da marca */
a {
	color: var(--ee-blue);
	text-decoration: underline;
	text-underline-offset: 0.15em;
	transition: color var(--ee-transition);
}

a:hover,
a:focus {
	color: var(--ee-blue-dark);
}

/* Links dentro de conteúdo de navegação/cartões dispensam sublinhado */
.navbar a,
.ee-card a,
.btn,
.ee-btn,
.ee-chip,
.ee-badge {
	text-decoration: none;
}

/* Imagens responsivas por padrão */
img {
	max-width: 100%;
	height: auto;
}

figure {
	margin: 0;
}

/* Botões nativos herdam a tipografia */
button {
	font-family: inherit;
}

/* ==========================================================================
   4. Utilitários do tema
   ========================================================================== */

/* Container editorial — equivalente ao .container mas com token próprio.
   Use .ee-container quando precisar do limite editorial fora do grid Bootstrap. */
.ee-container {
	width: 100%;
	max-width: var(--ee-container-max);
	margin-inline: auto;
	padding-inline: var(--ee-space-4);
}

/* Container de leitura — largura confortável para texto corrido (posts). */
.ee-content-container {
	width: 100%;
	max-width: var(--ee-content-max);
	margin-inline: auto;
}

/* Seção vertical com respiro consistente. */
.ee-section {
	padding-block: var(--ee-space-7);
}

.ee-section--tight {
	padding-block: var(--ee-space-6);
}

/* Faixa de fundo alternado. */
.ee-section--alt {
	background-color: var(--ee-bg-alt);
}

/* Grade fluida simples (auto-fit) — para listagens sem o grid do Bootstrap. */
.ee-grid {
	display: grid;
	gap: var(--ee-space-5);
	grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
}

/* Texto secundário. */
.ee-muted {
	color: var(--ee-text-muted);
}

/* ==========================================================================
   5. Componentes base
   --------------------------------------------------------------------------
   Camada fina e opcional. Onde os templates já usam classes Bootstrap
   (.btn, .card, .badge), estas .ee-* complementam ou servem de alternativa
   independente documentada.
   ========================================================================== */

/* --- Botões --- */
.ee-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: var(--ee-space-2);
	padding: var(--ee-space-3) var(--ee-space-5);
	font-weight: 600;
	line-height: 1.2;
	border: 2px solid transparent;
	border-radius: var(--ee-radius-md);
	cursor: pointer;
	transition: background-color var(--ee-transition), border-color var(--ee-transition),
		color var(--ee-transition);
}

.ee-btn-primary {
	background-color: var(--ee-blue);
	border-color: var(--ee-blue);
	color: var(--ee-text-invert);
}

.ee-btn-primary:hover,
.ee-btn-primary:focus {
	background-color: var(--ee-blue-dark);
	border-color: var(--ee-blue-dark);
	color: var(--ee-text-invert);
}

.ee-btn-secondary {
	background-color: var(--ee-orange);
	border-color: var(--ee-orange);
	color: var(--ee-text-invert);
}

.ee-btn-secondary:hover,
.ee-btn-secondary:focus {
	background-color: var(--ee-orange-dark);
	border-color: var(--ee-orange-dark);
	color: var(--ee-text-invert);
}

/* Variante de contorno (azul) */
.ee-btn-outline {
	background-color: transparent;
	border-color: var(--ee-blue);
	color: var(--ee-blue);
}

.ee-btn-outline:hover,
.ee-btn-outline:focus {
	background-color: var(--ee-blue);
	color: var(--ee-text-invert);
}

/* --- Chip (filtro/tag clicável) --- */
.ee-chip {
	display: inline-flex;
	align-items: center;
	gap: var(--ee-space-1);
	padding: var(--ee-space-1) var(--ee-space-3);
	font-size: 0.8125rem;
	font-weight: 600;
	color: var(--ee-blue-dark);
	background-color: var(--ee-blue-light);
	border-radius: var(--ee-radius-pill);
	transition: background-color var(--ee-transition);
}

.ee-chip:hover,
.ee-chip:focus {
	background-color: #d3e7fb;
	color: var(--ee-blue-dark);
}

/* --- Badge (rótulo de categoria, laranja da marca) --- */
.ee-badge {
	display: inline-block;
	padding: 0.3em 0.7em;
	font-size: 0.72rem;
	font-weight: 700;
	text-transform: uppercase;
	letter-spacing: 0.03em;
	color: var(--ee-text-invert);
	background-color: var(--ee-orange);
	border-radius: var(--ee-radius-pill);
}

.ee-badge:hover,
.ee-badge:focus {
	background-color: var(--ee-orange-dark);
	color: var(--ee-text-invert);
}

/* Variação azul do badge */
.ee-badge--blue {
	background-color: var(--ee-blue);
}

.ee-badge--blue:hover,
.ee-badge--blue:focus {
	background-color: var(--ee-blue-dark);
}

/* --- Breadcrumb (trilha de navegação, discreta) --- */
.ee-breadcrumb {
	margin-bottom: var(--ee-space-3);
}

.ee-breadcrumb .ee-breadcrumb-list {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: var(--ee-space-1) 0;
	padding: 0;
	margin: 0;
	font-size: 0.8125rem;
	list-style: none;
	/* Separador "›" entre os itens (sobrescreve o padrão do Bootstrap). */
	--bs-breadcrumb-divider: "›";
}

.ee-breadcrumb .breadcrumb-item {
	display: inline-flex;
	align-items: center;
	color: var(--ee-text-muted);
}

.ee-breadcrumb .breadcrumb-item a {
	color: var(--ee-text-muted);
	text-decoration: none;
	transition: color var(--ee-transition);
}

.ee-breadcrumb .breadcrumb-item a:hover,
.ee-breadcrumb .breadcrumb-item a:focus {
	color: var(--ee-blue);
	text-decoration: underline;
}

/* Item atual (último): mais firme, sem link. */
.ee-breadcrumb .breadcrumb-item.active {
	color: var(--ee-gray-700);
	font-weight: 600;
}

/* Separador discreto antes de cada item (exceto o primeiro). */
.ee-breadcrumb .breadcrumb-item + .breadcrumb-item::before {
	content: var(--bs-breadcrumb-divider, "›");
	padding: 0 var(--ee-space-2);
	color: var(--ee-gray-300);
}

/* --- Faixa de breadcrumb no TOPO (largura total, perto do menu) --- */
.ee-breadcrumb-bar {
	background-color: var(--ee-bg-alt);
	border-bottom: 1px solid var(--ee-border);
	padding-block: var(--ee-space-2);
}

/* No mobile (< lg) a faixa de breadcrumb não aparece. */
@media (max-width: 991.98px) {
	.ee-breadcrumb-bar {
		display: none;
	}
}

.ee-breadcrumb-bar .ee-breadcrumb {
	margin-bottom: 0;
}

/* Modo "trilha": só seções, em CAIXA-ALTA, compacto. */
.ee-breadcrumb--trail .ee-breadcrumb-list {
	text-transform: uppercase;
	letter-spacing: 0.04em;
	font-size: 0.75rem;
	font-weight: 500;
}

.ee-breadcrumb--trail .breadcrumb-item a {
	color: var(--ee-gray-700);
}

/* Itens mais próximos do separador ">". */
.ee-breadcrumb--trail .breadcrumb-item + .breadcrumb-item::before {
	padding: 0 var(--ee-space-1);
	color: var(--ee-gray-500);
}

.ee-breadcrumb--trail .breadcrumb-item a:hover,
.ee-breadcrumb--trail .breadcrumb-item a:focus {
	color: var(--ee-orange);
}

/* --- Card --- */
.ee-card {
	display: flex;
	flex-direction: column;
	background-color: var(--ee-white);
	border: 1px solid var(--ee-border);
	border-radius: var(--ee-radius-md);
	box-shadow: var(--ee-shadow);
	overflow: hidden;
	transition: transform var(--ee-transition), box-shadow var(--ee-transition);
}

.ee-card:hover,
.ee-card:focus-within {
	transform: translateY(-3px);
	box-shadow: var(--ee-shadow-lg);
}

.ee-card-media {
	overflow: hidden;
}

.ee-card-media img {
	width: 100%;
	transition: transform 0.4s ease;
}

.ee-card:hover .ee-card-media img {
	transform: scale(1.04);
}

.ee-card-body {
	display: flex;
	flex-direction: column;
	flex: 1 1 auto;
	padding: var(--ee-space-5);
}

/* --- Kicker (antetítulo / rótulo editorial acima do título) --- */
.ee-kicker {
	display: inline-block;
	margin-bottom: var(--ee-space-2);
	font-size: 0.8125rem;
	font-weight: 700;
	text-transform: uppercase;
	letter-spacing: 0.06em;
	color: var(--ee-orange);
}

/* --- Título de seção (com marca laranja sob o texto) --- */
.ee-section-title {
	position: relative;
	padding-bottom: var(--ee-space-2);
	color: var(--ee-blue-dark);
}

.ee-section-title::after {
	content: "";
	position: absolute;
	left: 0;
	bottom: 0;
	width: 3rem;
	height: 4px;
	border-radius: 2px;
	background-color: var(--ee-orange);
}

/* ==========================================================================
   6. Estruturas do tema (integração com os templates atuais)
   ========================================================================== */

/* --- Botões Bootstrap herdam a marca via variáveis --- */
.btn-primary {
	--bs-btn-bg: var(--ee-blue);
	--bs-btn-border-color: var(--ee-blue);
	--bs-btn-hover-bg: var(--ee-blue-dark);
	--bs-btn-hover-border-color: var(--ee-blue-dark);
	--bs-btn-active-bg: var(--ee-blue-dark);
	--bs-btn-active-border-color: var(--ee-blue-dark);
}

.btn-outline-primary {
	--bs-btn-color: var(--ee-blue);
	--bs-btn-border-color: var(--ee-blue);
	--bs-btn-hover-bg: var(--ee-blue);
	--bs-btn-hover-border-color: var(--ee-blue);
}

/* Cor utilitária da marca (azul escuro) para topo e rodapé */
.bg-primary-dark {
	background-color: var(--ee-blue-dark) !important;
}

/* --- Cabeçalho --- */
.site-header .navbar-brand .custom-logo {
	max-height: 48px;
	width: auto;
}

.site-header.is-scrolled {
	box-shadow: var(--ee-shadow);
}

/* --- Hero --- */
.ee-hero {
	background: linear-gradient(180deg, var(--ee-blue-light) 0%, var(--ee-bg) 100%);
}

/* --- Widgets --- */
.widget {
	margin-bottom: var(--ee-space-5);
}

.widget-title {
	font-size: 1.125rem;
	padding-bottom: var(--ee-space-2);
	border-bottom: 2px solid var(--ee-orange);
	margin-bottom: var(--ee-space-4);
}

.sidebar .widget {
	background: var(--ee-white);
	border: 1px solid var(--ee-border);
	border-radius: var(--ee-radius-md);
	padding: var(--ee-space-5);
}

/* --- Conteúdo do post --- */
.entry-content {
	font-size: 1.0625rem;
}

.entry-content img {
	border-radius: var(--ee-radius-sm);
	height: auto;
}

.entry-content h2,
.entry-content h3 {
	margin-top: var(--ee-space-6);
}

.entry-tags a {
	display: inline-block;
	margin: 0 var(--ee-space-1) var(--ee-space-1) 0;
	padding: 0.1rem 0.55rem;
	background: var(--ee-bg-alt);
	border-radius: var(--ee-radius-pill);
	color: var(--ee-text);
	text-decoration: none;
}

/* --- Categorias na 404 como "pills" --- */
/* Página 404 útil: código grande, mensagem e busca em destaque. */
.error-404-code {
	font-size: clamp(3.5rem, 2rem + 8vw, 6rem);
	font-weight: 800;
	line-height: 1;
	color: var(--ee-blue-light);
	letter-spacing: 0.02em;
}

.error-404-title {
	color: var(--ee-blue-dark);
}

.error-404-lead {
	max-width: 52ch;
	margin-inline: auto;
}

/* Campo de busca com largura confortável e centralizado. */
.error-404-search {
	max-width: 560px;
}

/* ==========================================================================
   7. Acessibilidade
   ========================================================================== */

/* Foco visível claro e consistente para navegação por teclado. */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
.btn:focus-visible,
.ee-btn:focus-visible,
.ee-chip:focus-visible,
.ee-badge:focus-visible,
[tabindex]:focus-visible {
	outline: 3px solid var(--ee-orange);
	outline-offset: 2px;
	border-radius: var(--ee-radius-sm);
}

/* Skip-link acessível: oculto até receber foco. */
.skip-link {
	position: absolute;
	left: var(--ee-space-2);
	top: -3rem;
	z-index: 1080;
	padding: var(--ee-space-2) var(--ee-space-4);
	background: var(--ee-white);
	color: var(--ee-blue-dark);
	font-weight: 600;
	border-radius: var(--ee-radius-sm);
	box-shadow: var(--ee-shadow-lg);
	transition: top var(--ee-transition);
}

.skip-link:focus {
	top: var(--ee-space-2);
}

/* Respeita a preferência por menos movimento. */
@media (prefers-reduced-motion: reduce) {
	*,
	*::before,
	*::after {
		animation-duration: 0.01ms !important;
		animation-iteration-count: 1 !important;
		transition-duration: 0.01ms !important;
		scroll-behavior: auto !important;
	}
}

/* ==========================================================================
   Chips educacionais (taxonomias do plugin: tipo/disciplina/nível/série)
   --------------------------------------------------------------------------
   Visual leve e sóbrio: fundo neutro, texto azul, sem excesso de cor. Cada
   taxonomia recebe apenas um marcador discreto à esquerda para diferenciá-las.
   ========================================================================== */
.ee-edu-chips {
	display: flex;
	flex-wrap: wrap;
	gap: var(--ee-space-2);
}

.ee-edu-chip {
	display: inline-flex;
	align-items: center;
	gap: 0.35em;
	padding: 0.2rem 0.6rem;
	font-size: 0.75rem;
	font-weight: 600;
	line-height: 1.3;
	color: var(--ee-blue-dark);
	background-color: var(--ee-gray-100);
	border: 1px solid var(--ee-border);
	border-radius: var(--ee-radius-pill);
	text-decoration: none;
	transition: background-color var(--ee-transition), border-color var(--ee-transition);
}

a.ee-edu-chip:hover,
a.ee-edu-chip:focus {
	background-color: var(--ee-blue-light);
	border-color: var(--ee-blue);
	color: var(--ee-blue-dark);
	text-decoration: none;
}

/* Marcador discreto à esquerda, com cor por taxonomia (sutil, não preenchido). */
.ee-edu-chip::before {
	content: "";
	width: 0.5em;
	height: 0.5em;
	border-radius: 50%;
	background-color: currentColor;
	opacity: 0.55;
	flex-shrink: 0;
}

.ee-edu-chip--tipo_material::before {
	background-color: var(--ee-orange);
	opacity: 1;
}

.ee-edu-chip--disciplina::before {
	background-color: var(--ee-blue);
	opacity: 1;
}

.ee-edu-chip--nivel_ensino::before {
	background-color: var(--ee-green);
	opacity: 1;
}

/* Série/ano: sem marcador, apenas o texto. */
.ee-edu-chip--serie::before {
	display: none;
}

/* Variante compacta usada dentro de cards. */
.ee-edu-chips--card .ee-edu-chip {
	font-size: 0.7rem;
	padding: 0.15rem 0.5rem;
}