/* ==========================================================================
   Segunda Guerra Mundial — Enciclopedia SGM
   CSS vanilla · System fonts · Mobile-first
   ========================================================================== */

/* --- Custom Properties --- */
:root {
  --color-bg: #faf8f5;
  --color-surface: #ffffff;
  --color-text: #1a1a1a;
  --color-text-muted: #555;
  --color-text-light: #777;
  --color-primary: #4a5d23;
  --color-primary-dark: #3a4a1b;
  --color-accent: #8b6914;
  --color-border: #d4cfc7;
  --color-border-light: #e8e4dc;
  --color-link: #2c5282;
  --color-link-hover: #1a365d;
  --color-tag-bg: #eee8d5;
  --color-tag-text: #4a4a3a;
  --color-hero-bg: #2d3319;
  --color-hero-text: #f0ead6;
  --color-404-bg: #f5f0e8;

  --font-body: Georgia, "Times New Roman", serif;
  --font-heading: -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, Helvetica, sans-serif;
  --font-mono: "Courier New", Courier, monospace;

  --max-width: 960px;
  --max-width-wide: 1120px;
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;

  --radius: 4px;
}

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

/* --- Base --- */
html {
  font-size: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  line-height: 1.25;
  color: var(--color-text);
  margin-bottom: var(--spacing-sm);
}

h1 { font-size: 2rem; margin-bottom: var(--spacing-md); }
h2 { font-size: 1.5rem; margin-top: var(--spacing-lg); }
h3 { font-size: 1.25rem; margin-top: var(--spacing-lg); }
h4 { font-size: 1.1rem; margin-top: var(--spacing-md); }

p {
  margin-bottom: var(--spacing-md);
}

a {
  color: var(--color-link);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
  transition: color 0.15s;
}

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

.site-header a,
.site-header a:hover,
.site-header a:visited {
  color: var(--color-hero-text);
}

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

blockquote {
  border-left: 4px solid var(--color-primary);
  padding: var(--spacing-sm) var(--spacing-md);
  margin: var(--spacing-md) 0;
  background: var(--color-tag-bg);
  font-style: italic;
}

code {
  font-family: var(--font-mono);
  background: var(--color-border-light);
  padding: 0.1em 0.3em;
  border-radius: var(--radius);
  font-size: 0.9em;
}

pre code {
  display: block;
  padding: var(--spacing-md);
  overflow-x: auto;
  background: var(--color-hero-bg);
  color: var(--color-hero-text);
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--spacing-md) 0;
}

th, td {
  border: 1px solid var(--color-border);
  padding: var(--spacing-sm) var(--spacing-md);
  text-align: left;
}

th {
  background: var(--color-tag-bg);
  font-family: var(--font-heading);
  font-weight: 600;
}

hr {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: var(--spacing-lg) 0;
}

/* --- Screen reader only --- */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.site-header {
  background: var(--color-hero-bg);
  color: var(--color-hero-text);
  padding: var(--spacing-sm) 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.site-logo {
  color: var(--color-hero-text);
  text-decoration: none;
  display: flex;
  align-items: baseline;
  gap: var(--spacing-sm);
}

.site-logo strong {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  letter-spacing: 0.05em;
}

.site-logo span {
  font-size: 0.85rem;
  opacity: 0.8;
  display: none;
}

@media (min-width: 600px) {
  .site-logo span { display: inline; }
}

.menu-toggle {
  background: none;
  border: 1px solid rgba(255,255,255,0.3);
  color: var(--color-hero-text);
  font-size: 1.4rem;
  padding: var(--spacing-xs) var(--spacing-sm);
  cursor: pointer;
  border-radius: var(--radius);
}

@media (min-width: 768px) {
  .menu-toggle { display: none; }
}

.site-nav ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
}

.site-nav a {
  color: var(--color-hero-text);
  text-decoration: none;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius);
  transition: background 0.15s;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  background: rgba(255,255,255,0.15);
  color: var(--color-hero-text);
}

/* Mobile nav toggle */
.site-nav {
  display: none;
  width: 100%;
}

.site-nav.active {
  display: block;
}

.site-nav.active ul {
  flex-direction: column;
}

@media (min-width: 768px) {
  .site-nav {
    display: block;
    width: auto;
  }
  .site-nav ul {
    flex-direction: row;
  }
}

/* ==========================================================================
   Breadcrumbs
   ========================================================================== */
.breadcrumbs {
  padding: var(--spacing-sm) 0;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  color: var(--color-text-muted);
  max-width: var(--max-width);
  margin: 0 auto;
  padding-left: var(--spacing-md);
  padding-right: var(--spacing-md);
}

.breadcrumbs ol {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
}

.breadcrumbs li:not(:last-child)::after {
  content: "›";
  margin-left: var(--spacing-xs);
  color: var(--color-text-light);
}

.breadcrumbs a {
  color: var(--color-text-muted);
  text-decoration: none;
}

.breadcrumbs a:hover {
  text-decoration: underline;
}

/* ==========================================================================
   Article
   ========================================================================== */
.article {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--spacing-lg) var(--spacing-md);
}

.article-header {
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-md);
  border-bottom: 2px solid var(--color-primary);
}

.article-description {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  margin-top: var(--spacing-sm);
}

.article-meta {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  color: var(--color-text-light);
  margin-top: var(--spacing-sm);
}

.article-body {
  margin-bottom: var(--spacing-lg);
}

.article-body h2 {
  border-bottom: 1px solid var(--color-border-light);
  padding-bottom: var(--spacing-xs);
}

/* Table of contents */
.toc {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.toc h2 {
  font-size: 1rem;
  margin: 0 0 var(--spacing-sm) 0;
  border: none;
  padding: 0;
}

.toc nav ul {
  list-style: none;
  padding-left: var(--spacing-md);
}

.toc nav > ul {
  padding-left: 0;
}

.toc a {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  text-decoration: none;
  color: var(--color-text-muted);
}

.toc a:hover {
  color: var(--color-link);
}

/* Article footer tags */
.article-footer {
  border-top: 1px solid var(--color-border-light);
  padding-top: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.article-tags,
.article-theaters,
.article-countries {
  margin-bottom: var(--spacing-sm);
  font-family: var(--font-heading);
  font-size: 0.9rem;
}

.article-tags a,
.article-theaters a,
.article-countries a {
  display: inline-block;
  background: var(--color-tag-bg);
  color: var(--color-tag-text);
  padding: 0.15em 0.6em;
  border-radius: var(--radius);
  text-decoration: none;
  font-size: 0.85rem;
  margin: 0.15em;
}

.article-tags a:hover,
.article-theaters a:hover,
.article-countries a:hover {
  background: var(--color-border);
}

/* ==========================================================================
   Related Articles
   ========================================================================== */
.related-articles {
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-lg);
  border-top: 2px solid var(--color-border-light);
}

.related-articles h2 {
  border: none;
  padding: 0;
}

.related-articles ul {
  list-style: none;
}

.related-articles li {
  margin-bottom: var(--spacing-sm);
}

.related-articles li p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin: 0;
}

/* ==========================================================================
   Section Listing
   ========================================================================== */
.section-listing {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--spacing-lg) var(--spacing-md);
}

.section-header {
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-md);
  border-bottom: 2px solid var(--color-primary);
}

.section-description {
  font-size: 1.1rem;
  color: var(--color-text-muted);
}

.section-content {
  margin-bottom: var(--spacing-lg);
}

.article-list {
  list-style: none;
}

.article-list-item {
  border-bottom: 1px solid var(--color-border-light);
}

.article-list-item a {
  display: block;
  padding: var(--spacing-md) 0;
  text-decoration: none;
  color: var(--color-text);
  transition: background 0.1s;
}

.article-list-item a:hover {
  background: var(--color-surface);
  padding-left: var(--spacing-sm);
}

.article-list-item h2,
.article-list-item h3 {
  font-size: 1.15rem;
  margin: 0 0 var(--spacing-xs) 0;
  color: var(--color-link);
}

.article-list-item p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin: 0 0 var(--spacing-xs) 0;
}

.article-list-item time {
  font-family: var(--font-heading);
  font-size: 0.8rem;
  color: var(--color-text-light);
}

.subsections {
  margin-top: var(--spacing-lg);
}

.subsection-list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: var(--spacing-md);
}

.subsection-list li a {
  display: block;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--spacing-md);
  text-decoration: none;
  color: var(--color-text);
  transition: border-color 0.15s, box-shadow 0.15s;
}

.subsection-list li a:hover {
  border-color: var(--color-primary);
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.subsection-list h3 {
  margin: 0 0 var(--spacing-xs) 0;
  font-size: 1.05rem;
  color: var(--color-link);
}

.subsection-list p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin: 0;
}

/* ==========================================================================
   Homepage
   ========================================================================== */
.hero {
  background: var(--color-hero-bg);
  color: var(--color-hero-text);
  padding: var(--spacing-xl) 0;
  text-align: center;
}

.hero h1 {
  font-size: 2.5rem;
  color: var(--color-hero-text);
  margin-bottom: var(--spacing-sm);
}

.hero-tagline {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  opacity: 0.9;
  margin-bottom: var(--spacing-sm);
}

.hero-description {
  max-width: 600px;
  margin: 0 auto var(--spacing-lg);
  font-size: 0.95rem;
  opacity: 0.85;
}

.hero .search-box {
  max-width: 500px;
  margin: 0 auto;
}

.hero .search-box input {
  background: rgba(255,255,255,0.95);
  color: var(--color-text);
}

.home-sections {
  padding: var(--spacing-xl) 0;
}

.home-sections h2 {
  text-align: center;
  margin-bottom: var(--spacing-lg);
  border: none;
  padding: 0;
}

.section-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: var(--spacing-md);
}

.section-card {
  display: block;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--spacing-md);
  text-decoration: none;
  color: var(--color-text);
  transition: border-color 0.15s, transform 0.15s;
}

.section-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.section-card h3 {
  font-size: 1.1rem;
  margin: 0 0 var(--spacing-xs) 0;
  color: var(--color-primary-dark);
}

.section-card p {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin: 0 0 var(--spacing-sm) 0;
}

.section-count {
  font-family: var(--font-heading);
  font-size: 0.8rem;
  color: var(--color-text-light);
}

.home-content {
  padding: var(--spacing-lg) 0;
  border-top: 1px solid var(--color-border-light);
}

.home-latest {
  padding: var(--spacing-xl) 0;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border-light);
}

.home-latest h2 {
  text-align: center;
  margin-bottom: var(--spacing-lg);
  border: none;
  padding: 0;
}

.home-latest .container {
  max-width: var(--max-width);
}

/* ==========================================================================
   Search
   ========================================================================== */
.search-box form {
  display: flex;
  gap: var(--spacing-sm);
}

.search-box input {
  flex: 1;
  font-family: var(--font-heading);
  font-size: 1rem;
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-surface);
}

.search-box input:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 1px;
  border-color: var(--color-primary);
}

.search-box button {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--color-primary);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background 0.15s;
}

.search-box button:hover {
  background: var(--color-primary-dark);
}

.search-page {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--spacing-lg) var(--spacing-md);
}

.search-results {
  list-style: none;
  margin-top: var(--spacing-lg);
}

.search-results li {
  padding: var(--spacing-md) 0;
  border-bottom: 1px solid var(--color-border-light);
}

.search-results a {
  font-size: 1.1rem;
}

.search-results p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin: var(--spacing-xs) 0 0;
}

/* ==========================================================================
   404 Page
   ========================================================================== */
.page-404 {
  text-align: center;
  padding: var(--spacing-xl) var(--spacing-md);
  background: var(--color-404-bg);
  min-height: 60vh;
  display: flex;
  align-items: center;
}

.page-404 .container {
  max-width: 600px;
}

.page-404 h1 {
  font-size: 2rem;
  margin-bottom: var(--spacing-md);
}

.page-404 .search-box {
  margin: var(--spacing-lg) 0;
}

.sections-404 ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
}

.sections-404 a {
  display: inline-block;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius);
  text-decoration: none;
  font-family: var(--font-heading);
  font-size: 0.9rem;
}

.sections-404 a:hover {
  border-color: var(--color-primary);
}

/* ==========================================================================
   Pagination
   ========================================================================== */
.pagination {
  margin-top: var(--spacing-xl);
  text-align: center;
}

.pagination ul {
  list-style: none;
  display: flex;
  justify-content: center;
  gap: var(--spacing-xs);
  flex-wrap: wrap;
}

.pagination li a,
.pagination li span {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-sm);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  text-decoration: none;
  font-family: var(--font-heading);
  font-size: 0.9rem;
}

.pagination li.active span {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

.pagination li a:hover {
  border-color: var(--color-primary);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background: var(--color-hero-bg);
  color: var(--color-hero-text);
  padding: var(--spacing-xl) 0 var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.footer-sections {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

@media (min-width: 600px) {
  .footer-sections {
    grid-template-columns: auto 1fr;
  }
}

.site-footer h4 {
  font-size: 0.95rem;
  color: var(--color-hero-text);
  margin-bottom: var(--spacing-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  opacity: 0.9;
}

.footer-nav ul {
  list-style: none;
}

.footer-nav a {
  color: var(--color-hero-text);
  text-decoration: none;
  font-family: var(--font-heading);
  font-size: 0.9rem;
  opacity: 0.8;
}

.footer-nav a:hover {
  opacity: 1;
  text-decoration: underline;
}

.footer-about p {
  font-size: 0.85rem;
  opacity: 0.75;
  line-height: 1.6;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.15);
  padding-top: var(--spacing-md);
  text-align: center;
}

.footer-bottom p {
  font-family: var(--font-heading);
  font-size: 0.8rem;
  opacity: 0.6;
}

.footer-legal {
  margin-top: var(--spacing-sm);
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
}

.footer-legal a {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  color: var(--color-hero-text);
  opacity: 0.8;
  text-decoration: none;
}

.footer-legal a:hover {
  opacity: 1;
  text-decoration: underline;
  color: var(--color-hero-text);
}

/* ==========================================================================
   Related link shortcode
   ========================================================================== */
a.related-link {
  font-weight: 600;
}

/* ==========================================================================
   Figures & Image Attribution
   ========================================================================== */
figure {
  margin: var(--spacing-lg) 0;
  padding: 0;
  max-width: 500px;
}

figure img {
  width: 100%;
  height: auto;
  border-radius: var(--radius);
}

figcaption {
  font-family: var(--font-heading);
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-top: var(--spacing-xs);
  line-height: 1.4;
}

.img-attribution {
  display: block;
  font-size: 0.75rem;
  color: var(--color-text-light);
}

.img-attribution a {
  color: var(--color-text-light);
}

/* ==========================================================================
   Print
   ========================================================================== */
@media print {
  .site-header,
  .site-footer,
  .toc,
  .search-box,
  .related-articles,
  .menu-toggle { display: none; }

  body { font-size: 12pt; line-height: 1.5; color: #000; background: #fff; }
  a { color: #000; text-decoration: underline; }
  .article { max-width: 100%; padding: 0; }
}