/* Infograf+ — Dark Mode
   Keeps infographic artwork untouched while switching the site UI to a dark premium theme.
*/

html.dark-mode {
  color-scheme: dark;
  --text: #f1f2f4;
  --text-secondary: #aeb2ba;
  --text-light: #7f858f;
  --background: #111214;
  --surface: #191b1f;
  --surface-soft: #202329;
  --border: #2d3138;
  --accent-light: #292743;
  --shadow-sm: 0 4px 16px rgba(0,0,0,.22);
  --shadow-md: 0 12px 35px rgba(0,0,0,.34);
}

html.dark-mode body {
  background: var(--background);
  color: var(--text);
}

html.dark-mode .site-header {
  background: rgba(17,18,20,.92);
  border-bottom-color: rgba(45,49,56,.9);
}

html.dark-mode .nav-link:hover,
html.dark-mode .instagram-header-link:hover,
html.dark-mode .search-button:hover,
html.dark-mode .about-header-mobile:hover,
html.dark-mode .about-header-mobile:focus-visible,
html.dark-mode .facebook-header-link:hover,
html.dark-mode .facebook-header-link:focus-visible {
  background: var(--accent-light);
  color: var(--accent);
}

html.dark-mode .visual-card,
html.dark-mode .home-benefit,
html.dark-mode .category-chip,
html.dark-mode .btn-secondary,
html.dark-mode .infographic-card,
html.dark-mode .featured-carousel-arrow,
html.dark-mode .post-navigation-link,
html.dark-mode .search-panel-inner,
html.dark-mode .share-menu-panel,
html.dark-mode .identity-card,
html.dark-mode .visitor-counter-card,
html.dark-mode .site-footer {
  background: var(--surface);
  border-color: var(--border);
  box-shadow: var(--shadow-sm);
}

html.dark-mode .search-panel,
html.dark-mode .search-results,
html.dark-mode .search-result,
html.dark-mode input,
html.dark-mode textarea,
html.dark-mode select {
  color: var(--text);
}

html.dark-mode .search-panel-inner {
  box-shadow: var(--shadow-md);
}

html.dark-mode input,
html.dark-mode textarea,
html.dark-mode select {
  background: var(--surface-soft);
  border-color: var(--border);
}

html.dark-mode input::placeholder,
html.dark-mode textarea::placeholder {
  color: var(--text-light);
}

html.dark-mode .category-chip:hover,
html.dark-mode .btn-secondary:hover {
  background: var(--surface-soft);
}

/* Homepage identity card: keep category colors, adapt only neutral surfaces. */
html.dark-mode .identity-card {
  background: rgba(25,27,31,.96);
}

html.dark-mode .identity-plus {
  background: color-mix(in srgb, currentColor 10%, #191b1f);
}

/* Latest/category cards retain their existing category color system. */
html.dark-mode .latest-section .infographic-card:not(.featured-card),
html.dark-mode .category-results .infographic-card {
  box-shadow: 0 5px 18px rgba(0,0,0,.22);
}

html.dark-mode .latest-section .infographic-card:not(.featured-card) .infographic-image-link,
html.dark-mode .category-results .infographic-card .infographic-image-link {
  background: #fff;
}

/* The infographic artwork itself is intentionally never filtered or recolored. */
html.dark-mode .infographic-main-image img,
html.dark-mode .infographic-image-link img {
  filter: none;
}

html.dark-mode .share-menu-link {
  background: var(--surface-soft);
  color: var(--text);
  border-color: var(--border);
}

html.dark-mode .share-menu-link:hover {
  border-color: var(--accent);
  color: var(--accent);
}

html.dark-mode .post-navigation-link:hover {
  border-color: var(--accent);
}

html.dark-mode .site-footer {
  color: var(--text);
}

html.dark-mode .footer-brand p,
html.dark-mode .footer-copy {
  color: var(--text-secondary);
}

/* Dark-mode toggle */
.theme-toggle {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  display: grid;
  place-items: center;
  border: 0;
  border-radius: 13px;
  background: var(--surface-soft);
  color: var(--text);
  transition: background .2s ease, color .2s ease, transform .2s ease;
}

.theme-toggle:hover,
.theme-toggle:focus-visible {
  background: var(--accent-light);
  color: var(--accent);
  transform: translateY(-2px);
}

.theme-toggle svg {
  width: 20px;
  height: 20px;
  display: block;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.theme-toggle .theme-icon-sun { display: block; }
.theme-toggle .theme-icon-moon { display: none; }
html.dark-mode .theme-toggle .theme-icon-sun { display: none; }
html.dark-mode .theme-toggle .theme-icon-moon { display: block; }

@media (max-width:700px) {
  .theme-toggle {
    width: 40px;
    height: 40px;
    border-radius: 11px;
  }
  .theme-toggle svg { width: 19px; height: 19px; }
}

/* Mobile header action group remains coherent in dark mode. */
html.dark-mode .mobile-header-actions {
  background: var(--surface-soft);
}

html.dark-mode .about-header-mobile,
html.dark-mode .facebook-header-link {
  background: var(--surface);
  color: var(--text);
}

/* Do not alter the colors of the category + marks. */
html.dark-mode .identity-world { color:#0043F7; }
html.dark-mode .identity-politics { color:#921E7A; }
html.dark-mode .identity-economy { color:#D99A00; }
html.dark-mode .identity-tech { color:#13CBFF; }
html.dark-mode .identity-science { color:#777; }
html.dark-mode .identity-health { color:#22A06B; }
html.dark-mode .identity-sport { color:#A71C1C; }
html.dark-mode .identity-cars { color:#B8B8BE; }
html.dark-mode .identity-travel { color:#FC8FC5; }
html.dark-mode .identity-misc { color:#E74F1B; }

@media (prefers-reduced-motion: reduce) {
  .theme-toggle { transition: none; }
}

/* About section: dark surface only in dark mode. */
html.dark-mode .about-section {
  background: #191b1f !important;
  border-color: #2d3138 !important;
  color: #f1f2f4 !important;
  box-shadow: 0 4px 16px rgba(0,0,0,.22) !important;
}

html.dark-mode .about-section .about-content,
html.dark-mode .about-section .about-content h2,
html.dark-mode .about-section .about-content p,
html.dark-mode .about-section .about-mark {
  color: #f1f2f4 !important;
}

html.dark-mode .about-section .section-kicker {
  color: #635bff !important;
}

html.dark-mode .about-section .about-content h2 span,
html.dark-mode .about-section .about-mark strong {
  color: #635bff !important;
}


/* About page: explicitly adapt the editorial page surfaces for dark mode. */
html.dark-mode .about-page .about-hero::after {
  background: var(--surface-soft) !important;
}

html.dark-mode .about-page .about-hero-mark,
html.dark-mode .about-page .founder-card,
html.dark-mode .about-page .method-item,
html.dark-mode .about-page .about-category-list a {
  border-color: var(--border) !important;
}

html.dark-mode .about-page .about-hero-mark {
  background: var(--surface) !important;
  box-shadow: 0 25px 70px rgba(0,0,0,.28) !important;
}

html.dark-mode .about-page .founder-card,
html.dark-mode .about-page .method-item,
html.dark-mode .about-page .about-category-list a {
  background: var(--surface-soft) !important;
}

html.dark-mode .about-page .founder-photo-plus {
  background: var(--surface) !important;
  border-color: var(--border) !important;
  box-shadow: 0 15px 30px rgba(0,0,0,.28) !important;
}

html.dark-mode .about-page .founder-content blockquote {
  background: var(--surface) !important;
  color: var(--text) !important;
  border-color: var(--accent) !important;
}

html.dark-mode .about-page .about-final {
  background: #0b0c0f !important;
  color: #fff !important;
}

html.dark-mode .about-page .about-final h2 span {
  color: #fff !important;
}

html.dark-mode .about-page .about-final .about-small-title,
html.dark-mode .about-page .about-final p {
  color: rgba(255,255,255,.62) !important;
}