/* ==========================================================================
   Pipo News — Template CSS
   Mobile-first. Breakpoints: 768px (tablet), 1024px (desktop), 1280px (wide)
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. CSS Custom Properties
   -------------------------------------------------------------------------- */
:root {
  --color-primary:   #c0392b;
  --color-primary-d: #96281b;
  --color-secondary: #2c3e50;
  --color-accent:    #e74c3c;
  --color-bg:        #f4f4f4;
  --color-surface:   #ffffff;
  --color-border:    #e0e0e0;
  --color-text:      #1a1a1a;
  --color-text-muted:#666666;
  --color-link:      #c0392b;

  --font-headline: Georgia, 'Times New Roman', serif;
  --font-body:     system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --space-xs:  0.25rem;
  --space-sm:  0.5rem;
  --space-md:  1rem;
  --space-lg:  1.5rem;
  --space-xl:  2rem;
  --space-2xl: 3rem;

  --radius-sm: 3px;
  --radius:    6px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.10);
  --shadow:    0 2px 8px rgba(0,0,0,.12);
  --transition: .18s ease;

  --container: 1280px;
  --sidebar-w: 300px;
  --header-h:  64px;

  /* Cores por editoria */
  --cat-ultimas:        #e74c3c;
  --cat-brasil:         #27ae60;
  --cat-politica:       #8e44ad;
  --cat-economia:       #2980b9;
  --cat-mundo:          #16a085;
  --cat-esportes:       #e67e22;
  --cat-entretenimento: #e91e63;
  --cat-tecnologia:     #1565c0;
  --cat-saude:          #00897b;
  --cat-opiniao:        #795548;
}

/* --------------------------------------------------------------------------
   2. Reset + Base
   -------------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
}

img, video { max-width: 100%; height: auto; display: block; }
a { color: var(--color-link); text-decoration: none; }
a:hover { text-decoration: underline; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }

/* --------------------------------------------------------------------------
   3. Utilitários
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--space-md);
}

.visually-hidden {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

.list-unstyled { list-style: none; padding: 0; margin: 0; }

/* --------------------------------------------------------------------------
   4. Header
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-secondary);
  height: var(--header-h);
  box-shadow: var(--shadow);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: var(--space-md);
}

.site-logo img { height: 40px; width: auto; }

/* Nav toggle (hambúrguer) */
.nav-toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-sm);
  background: transparent;
  border: none;
}
.nav-toggle-bar {
  display: block;
  width: 24px;
  height: 2px;
  background: #fff;
  transition: var(--transition);
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Nav */
.site-nav {
  display: none;
  position: fixed;
  top: var(--header-h);
  left: 0;
  right: 0;
  background: var(--color-secondary);
  padding: var(--space-md);
  z-index: 99;
  box-shadow: var(--shadow);
}
.site-nav.nav-open { display: block; }
.site-nav ul { display: flex; flex-direction: column; gap: var(--space-xs); }
.site-nav a {
  display: block;
  padding: var(--space-sm) var(--space-md);
  color: #fff;
  font-size: .9rem;
  font-weight: 600;
  letter-spacing: .02em;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  transition: background var(--transition);
}
.site-nav a:hover,
.site-nav .active > a { background: var(--color-primary); text-decoration: none; }

@media (min-width: 1024px) {
  .nav-toggle { display: none; }
  .site-nav {
    display: flex !important;
    position: static;
    padding: 0;
    box-shadow: none;
    background: transparent;
  }
  .site-nav ul { flex-direction: row; gap: 0; }
  .site-nav a { font-size: .8rem; padding: var(--space-sm); }
}

/* --------------------------------------------------------------------------
   5. Layout: Home
   -------------------------------------------------------------------------- */
.layout-home { padding-block: var(--space-xl); }

.layout-home-body {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
  margin-top: var(--space-xl);
}

@media (min-width: 1024px) {
  .layout-home-body {
    flex-direction: row;
    align-items: flex-start;
  }
  .home-content { flex: 1; min-width: 0; }
  .home-sidebar  { width: var(--sidebar-w); flex-shrink: 0; }
}

/* --------------------------------------------------------------------------
   6. Layout: Artigo e Categoria
   -------------------------------------------------------------------------- */
.layout-article,
.layout-category {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
  padding-block: var(--space-xl);
}

@media (min-width: 1024px) {
  .layout-article,
  .layout-category { flex-direction: row; align-items: flex-start; }
  .article-main,
  .category-main   { flex: 1; min-width: 0; }
  .article-sidebar,
  .category-sidebar { width: var(--sidebar-w); flex-shrink: 0; }
}

.layout-page { padding-block: var(--space-xl); }

/* --------------------------------------------------------------------------
   7. Hero (home)
   -------------------------------------------------------------------------- */
.home-hero { margin-bottom: var(--space-xl); }

.hero-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  aspect-ratio: 16/7;
  background: var(--color-secondary);
}
.hero-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.hero-card-body {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: var(--space-lg);
  background: linear-gradient(0deg, rgba(0,0,0,.85) 0%, transparent 100%);
  color: #fff;
}
.hero-card-body .pipo-cat-badge { margin-bottom: var(--space-sm); }
.hero-card-title {
  font-family: var(--font-headline);
  font-size: clamp(1.25rem, 3vw, 2rem);
  font-weight: 700;
  line-height: 1.25;
  color: #fff;
  margin-bottom: var(--space-sm);
}
.hero-card-title a { color: #fff; }
.hero-card-title a:hover { text-decoration: underline; }
.hero-card-meta { font-size: .8rem; opacity: .8; }

/* --------------------------------------------------------------------------
   8. Cards de notícias
   -------------------------------------------------------------------------- */
.news-grid {
  display: grid;
  gap: var(--space-md);
  grid-template-columns: 1fr;
}
@media (min-width: 768px)  { .news-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .news-grid { grid-template-columns: repeat(3, 1fr); } }

.news-card {
  background: var(--color-surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: box-shadow var(--transition), transform var(--transition);
  display: flex;
  flex-direction: column;
}
.news-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}
.news-card-figure { aspect-ratio: 16/9; overflow: hidden; }
.news-card-figure img { width: 100%; height: 100%; object-fit: cover; }
.news-card-body { padding: var(--space-md); flex: 1; display: flex; flex-direction: column; gap: var(--space-xs); }
.news-card-title {
  font-family: var(--font-headline);
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.3;
}
.news-card-title a { color: var(--color-text); }
.news-card-title a:hover { color: var(--color-primary); text-decoration: none; }
.news-card-intro { font-size: .875rem; color: var(--color-text-muted); margin-top: auto; }
.news-card-meta  { font-size: .75rem; color: var(--color-text-muted); display: flex; gap: var(--space-sm); align-items: center; }

/* --------------------------------------------------------------------------
   9. Categoria badge
   -------------------------------------------------------------------------- */
.pipo-cat-badge {
  display: inline-block;
  padding: .15em .6em;
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  color: #fff;
  background: var(--color-primary);
  text-decoration: none;
}
.pipo-cat-badge:hover { opacity: .85; text-decoration: none; }

.cat-ultimas        { background: var(--cat-ultimas); }
.cat-brasil         { background: var(--cat-brasil); }
.cat-politica       { background: var(--cat-politica); }
.cat-economia       { background: var(--cat-economia); }
.cat-mundo          { background: var(--cat-mundo); }
.cat-esportes       { background: var(--cat-esportes); }
.cat-entretenimento { background: var(--cat-entretenimento); }
.cat-tecnologia     { background: var(--cat-tecnologia); }
.cat-saude          { background: var(--cat-saude); }
.cat-opiniao        { background: var(--cat-opiniao); }

/* --------------------------------------------------------------------------
   10. Seção editorial (bloco por editoria na home)
   -------------------------------------------------------------------------- */
.editorial-section { margin-bottom: var(--space-2xl); }

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 3px solid var(--color-primary);
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-sm);
}
.section-title {
  font-family: var(--font-headline);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-secondary);
}
.section-more { font-size: .8rem; font-weight: 600; color: var(--color-primary); }
.section-more:hover { text-decoration: underline; }

/* --------------------------------------------------------------------------
   11. Página de artigo
   -------------------------------------------------------------------------- */
.article-header { margin-bottom: var(--space-lg); }

.article-category { margin-bottom: var(--space-sm); }

.article-title {
  font-family: var(--font-headline);
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-secondary);
  margin-bottom: var(--space-md);
}

.article-lead {
  font-size: 1.15rem;
  line-height: 1.6;
  color: #444;
  border-left: 4px solid var(--color-primary);
  padding-left: var(--space-md);
  margin-bottom: var(--space-lg);
  font-style: italic;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  align-items: center;
  font-size: .85rem;
  color: var(--color-text-muted);
  padding-block: var(--space-md);
  border-block: 1px solid var(--color-border);
  margin-bottom: var(--space-lg);
}
.article-author { font-weight: 600; color: var(--color-text); }

.article-hero {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  border-radius: var(--radius);
  margin-bottom: var(--space-lg);
}
.article-hero-caption {
  font-size: .75rem;
  color: var(--color-text-muted);
  text-align: center;
  margin-top: calc(var(--space-sm) * -1);
  margin-bottom: var(--space-lg);
}

.article-body {
  font-size: 1.0625rem;
  line-height: 1.75;
  color: var(--color-text);
}
.article-body p  { margin-bottom: var(--space-md); }
.article-body h2 { font-family: var(--font-headline); font-size: 1.4rem; font-weight: 700; margin: var(--space-xl) 0 var(--space-md); }
.article-body h3 { font-family: var(--font-headline); font-size: 1.2rem; font-weight: 700; margin: var(--space-lg) 0 var(--space-sm); }
.article-body blockquote {
  border-left: 4px solid var(--color-primary);
  padding: var(--space-md) var(--space-lg);
  background: #fafafa;
  margin: var(--space-xl) 0;
  font-style: italic;
}
.article-body img {
  border-radius: var(--radius-sm);
  margin-block: var(--space-lg);
}
.article-body a { color: var(--color-primary); text-decoration: underline; }

/* Tags */
.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-block: var(--space-xl);
}
.article-tag {
  padding: .25em .75em;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  font-size: .8rem;
  color: var(--color-text-muted);
  transition: border-color var(--transition), color var(--transition);
}
.article-tag:hover { border-color: var(--color-primary); color: var(--color-primary); text-decoration: none; }

/* Compartilhamento */
.share-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  align-items: center;
  padding-block: var(--space-md);
  border-block: 1px solid var(--color-border);
  margin-bottom: var(--space-xl);
}
.share-label { font-weight: 600; font-size: .9rem; margin-right: var(--space-sm); }
.share-btn {
  display: inline-flex;
  align-items: center;
  gap: .4em;
  padding: .4em 1em;
  border-radius: var(--radius-sm);
  font-size: .85rem;
  font-weight: 600;
  color: #fff;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: opacity var(--transition);
}
.share-btn:hover { opacity: .85; text-decoration: none; }
.share-btn--whatsapp { background: #25D366; }
.share-btn--twitter  { background: #000000; }
.share-btn--facebook { background: #1877F2; }
.share-btn--linkedin { background: #0A66C2; }
.share-btn--copy     { background: var(--color-secondary); }

/* Notícias relacionadas */
.related-articles { margin-top: var(--space-2xl); }
.related-title {
  font-family: var(--font-headline);
  font-size: 1.2rem;
  font-weight: 700;
  border-bottom: 3px solid var(--color-primary);
  padding-bottom: var(--space-sm);
  margin-bottom: var(--space-lg);
}

/* --------------------------------------------------------------------------
   12. Página de categoria (blog)
   -------------------------------------------------------------------------- */
.category-header {
  background: var(--color-secondary);
  padding: var(--space-xl) var(--space-md);
  border-radius: var(--radius);
  margin-bottom: var(--space-xl);
  color: #fff;
}
.category-name {
  font-family: var(--font-headline);
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  font-weight: 700;
}
.category-desc { font-size: 1rem; opacity: .8; margin-top: var(--space-sm); }

.blog-item {
  background: var(--color-surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  margin-bottom: var(--space-lg);
  display: flex;
  flex-direction: column;
}
@media (min-width: 768px) {
  .blog-item { flex-direction: row; }
  .blog-item-figure { width: 280px; flex-shrink: 0; }
}
.blog-item-figure { aspect-ratio: 16/9; overflow: hidden; }
.blog-item-figure img { width: 100%; height: 100%; object-fit: cover; }
.blog-item-body { padding: var(--space-md); flex: 1; display: flex; flex-direction: column; gap: var(--space-sm); }
.blog-item-title {
  font-family: var(--font-headline);
  font-size: 1.2rem;
  font-weight: 700;
}
.blog-item-title a { color: var(--color-text); }
.blog-item-title a:hover { color: var(--color-primary); text-decoration: none; }
.blog-item-intro { font-size: .9rem; color: var(--color-text-muted); }
.blog-item-meta  { font-size: .78rem; color: var(--color-text-muted); margin-top: auto; }

/* --------------------------------------------------------------------------
   13. Módulos Latest / Featured
   -------------------------------------------------------------------------- */
.pipo-latest-list { display: flex; flex-direction: column; gap: var(--space-md); }
.pipo-latest-item article {
  display: flex;
  gap: var(--space-md);
  align-items: flex-start;
}
.pipo-latest-figure { flex-shrink: 0; width: 100px; aspect-ratio: 16/9; overflow: hidden; border-radius: var(--radius-sm); }
.pipo-latest-img { width: 100%; height: 100%; object-fit: cover; }
.pipo-latest-content { flex: 1; }
.pipo-latest-title { font-size: .95rem; font-weight: 700; line-height: 1.3; margin: .25rem 0; }
.pipo-latest-title a { color: var(--color-text); }
.pipo-latest-title a:hover { color: var(--color-primary); }
.pipo-latest-date { font-size: .75rem; color: var(--color-text-muted); }

.pipo-featured-widget {}
.pipo-widget-title {
  font-size: 1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .04em;
  border-bottom: 3px solid var(--color-primary);
  padding-bottom: var(--space-sm);
  margin-bottom: var(--space-md);
}
.pipo-featured-list { counter-reset: featured-counter; }
.pipo-featured-item {
  display: flex;
  gap: var(--space-md);
  padding-block: var(--space-sm);
  border-bottom: 1px solid var(--color-border);
  align-items: flex-start;
}
.pipo-featured-rank {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-border);
  line-height: 1;
  min-width: 28px;
}
.pipo-featured-title { font-size: .9rem; font-weight: 600; line-height: 1.3; }
.pipo-featured-title a { color: var(--color-text); }
.pipo-featured-title a:hover { color: var(--color-primary); }
.pipo-featured-hits { color: var(--color-text-muted); }

/* Sidebar widget wrapper */
.sidebar-widget {
  background: var(--color-surface);
  border-radius: var(--radius);
  padding: var(--space-md);
  margin-bottom: var(--space-lg);
  box-shadow: var(--shadow-sm);
}

/* --------------------------------------------------------------------------
   14. Paginação
   -------------------------------------------------------------------------- */
.pagination {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  justify-content: center;
  padding-block: var(--space-xl);
}
.pagination .page-item {}
.pagination .page-link {
  display: inline-block;
  padding: .4em .8em;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font-size: .9rem;
  transition: background var(--transition), border-color var(--transition);
}
.pagination .page-link:hover,
.pagination .active .page-link { background: var(--color-primary); border-color: var(--color-primary); color: #fff; }

/* --------------------------------------------------------------------------
   15. Breadcrumb
   -------------------------------------------------------------------------- */
.breadcrumb { display: flex; flex-wrap: wrap; gap: .25em; font-size: .8rem; color: var(--color-text-muted); margin-bottom: var(--space-md); }
.breadcrumb-item + .breadcrumb-item::before { content: '/'; margin-right: .25em; }
.breadcrumb-item a { color: var(--color-text-muted); }
.breadcrumb-item a:hover { color: var(--color-primary); }

/* --------------------------------------------------------------------------
   16. Rodapé
   -------------------------------------------------------------------------- */
.site-footer {
  background: var(--color-secondary);
  color: rgba(255,255,255,.8);
  margin-top: var(--space-2xl);
  padding-block: var(--space-2xl);
}
.footer-grid {
  display: grid;
  gap: var(--space-xl);
  grid-template-columns: 1fr;
}
@media (min-width: 768px) { .footer-grid { grid-template-columns: repeat(3, 1fr); } }

.footer-heading { color: #fff; font-size: 1rem; font-weight: 700; margin-bottom: var(--space-md); text-transform: uppercase; letter-spacing: .04em; }
.footer-about { font-size: .9rem; line-height: 1.6; }
.footer-col ul { display: flex; flex-direction: column; gap: var(--space-sm); }
.footer-col a { color: rgba(255,255,255,.7); font-size: .9rem; transition: color var(--transition); }
.footer-col a:hover { color: #fff; text-decoration: none; }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.15);
  margin-top: var(--space-xl);
  padding-top: var(--space-lg);
  text-align: center;
}
.footer-copy { font-size: .8rem; }

/* --------------------------------------------------------------------------
   17. Error page
   -------------------------------------------------------------------------- */
.page-error .site-main { display: flex; align-items: center; min-height: calc(100vh - var(--header-h) - 120px); }
.error-page { text-align: center; padding: var(--space-2xl) var(--space-md); }
.error-code { font-size: 6rem; font-weight: 700; color: var(--color-border); display: block; }
.error-title { font-family: var(--font-headline); font-size: 1.8rem; margin-block: var(--space-md); }
.error-desc { color: var(--color-text-muted); margin-bottom: var(--space-xl); }
.error-actions { display: flex; gap: var(--space-md); justify-content: center; flex-wrap: wrap; margin-bottom: var(--space-xl); }
.error-nav { display: flex; flex-wrap: wrap; gap: var(--space-sm); justify-content: center; }
.error-cat-link { padding: .35em .8em; border: 1px solid var(--color-border); border-radius: 999px; font-size: .85rem; }
.error-cat-link:hover { border-color: var(--color-primary); color: var(--color-primary); }

/* --------------------------------------------------------------------------
   18. Offline page
   -------------------------------------------------------------------------- */
.page-offline { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: var(--color-bg); }
.offline-wrap { padding: var(--space-md); width: 100%; }
.offline-box {
  background: var(--color-surface);
  max-width: 480px;
  margin: auto;
  border-radius: var(--radius);
  padding: var(--space-xl);
  box-shadow: var(--shadow);
  text-align: center;
}
.offline-logo { margin: 0 auto var(--space-lg); }
.offline-title { font-family: var(--font-headline); font-size: 1.4rem; margin-bottom: var(--space-md); }
.offline-msg { color: var(--color-text-muted); margin-bottom: var(--space-xl); }
.offline-login { text-align: left; margin-top: var(--space-xl); }
.form-offline label { display: block; margin-bottom: .25em; font-size: .9rem; font-weight: 600; }
.form-offline .form-control {
  width: 100%;
  padding: .5em .75em;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 1rem;
  margin-bottom: var(--space-md);
}

/* --------------------------------------------------------------------------
   19. Botões
   -------------------------------------------------------------------------- */
.btn {
  display: inline-block;
  padding: .5em 1.25em;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: .95rem;
  text-align: center;
  cursor: pointer;
  transition: background var(--transition), opacity var(--transition);
  border: 2px solid transparent;
}
.btn-primary  { background: var(--color-primary);   color: #fff; }
.btn-secondary { background: transparent; border-color: var(--color-secondary); color: var(--color-secondary); }
.btn-primary:hover   { background: var(--color-primary-d); text-decoration: none; }
.btn-secondary:hover { background: var(--color-secondary); color: #fff; text-decoration: none; }
.btn.w-100 { display: block; width: 100%; }

/* --------------------------------------------------------------------------
   20. Reading progress bar (artigos)
   -------------------------------------------------------------------------- */
#reading-progress {
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  width: 0%;
  background: var(--color-primary);
  z-index: 200;
  transition: width .1s linear;
}

/* --------------------------------------------------------------------------
   21. Dark mode
   -------------------------------------------------------------------------- */
@media (prefers-color-scheme: dark) {
  :root {
    --color-bg:      #0f0f0f;
    --color-surface: #1a1a1a;
    --color-border:  #333;
    --color-text:    #e0e0e0;
    --color-text-muted: #999;
  }
  .site-footer { background: #111; }
  .news-card, .blog-item, .sidebar-widget { background: var(--color-surface); }
}