/**
 * EduInfo Fast - Main Theme Stylesheet
 *
 * Designed to faithfully reproduce the reference educational news portal screenshots:
 * - 1200px centered layout
 * - Dark navy navigation bar (#28364d) with bright blue active Home button (#2937f0)
 * - Compact 180x110 left-thumbnail post cards with thin #ddd borders
 * - Uppercase sidebar widgets with 80x60 thumbnails
 * - Clean, Core Web Vitals optimized typography and spacing
 */

/* ==========================================================================
   Layout Containers
   ========================================================================== */
.eduinfo-container {
  max-width: var(--edu-container-max, 1200px);
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
  width: 100%;
}

.eduinfo-site-content {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  align-items: flex-start;
  gap: 30px;
  margin-top: 24px;
  margin-bottom: 40px;
}

.eduinfo-site-main {
  flex: 1 1 auto;
  width: calc(100% - var(--edu-sidebar-width, 330px) - 30px);
  max-width: var(--edu-content-width, 780px);
  min-width: 0;
}

.eduinfo-sidebar {
  flex: 0 0 var(--edu-sidebar-width, 330px);
  width: var(--edu-sidebar-width, 330px);
  min-width: 0;
}

/* ==========================================================================
   Site Header & Branding
   ========================================================================== */
.eduinfo-site-header {
  background-color: #ffffff;
  border-bottom: 1px solid var(--edu-border-light, #ebebeb);
}

.eduinfo-header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 18px;
  padding-bottom: 18px;
}

.eduinfo-site-branding {
  display: flex;
  align-items: center;
}

.eduinfo-site-title {
  margin: 0;
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

.eduinfo-site-title a {
  color: var(--edu-primary-navy, #28364d);
  text-decoration: none;
}

.eduinfo-site-title a:hover {
  color: var(--edu-active-blue, #2937f0);
}

.eduinfo-site-description {
  margin: 4px 0 0;
  font-size: 13px;
  color: var(--edu-text-muted, #666666);
  font-weight: 400;
}

.custom-logo {
  max-height: 55px;
  width: auto;
  display: block;
}

/* Mobile Actions in Header */
.eduinfo-mobile-actions {
  display: none;
  align-items: center;
  gap: 12px;
}

.eduinfo-mobile-search-toggle,
.eduinfo-menu-toggle {
  background: transparent;
  border: 1px solid var(--edu-border-color, #dddddd);
  border-radius: 4px;
  padding: 8px 10px;
  color: var(--edu-primary-navy, #28364d);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.eduinfo-menu-toggle__icon span {
  display: block;
  width: 20px;
  height: 2px;
  background-color: currentColor;
  margin: 4px 0;
  transition: all 0.2s ease;
}

/* ==========================================================================
   Horizontal Navy Navigation Bar
   ========================================================================== */
.eduinfo-main-navigation {
  background-color: var(--edu-primary-navy, #28364d);
  position: relative;
  z-index: 100;
  height: 48px;
}

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

.eduinfo-nav-menu {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: stretch;
  height: 100%;
}

.eduinfo-nav-menu > li {
  position: relative;
  height: 100%;
  display: flex;
  align-items: stretch;
}

.eduinfo-nav-menu > li > a {
  color: #ffffff;
  font-size: 13.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0 16px;
  display: flex;
  align-items: center;
  gap: 6px;
  text-decoration: none;
  height: 100%;
  transition: background-color 0.15s ease-in-out;
  border-right: 1px solid rgba(255, 255, 255, 0.08);
}

.eduinfo-nav-menu > li > a:hover,
.eduinfo-nav-menu > li > a:focus {
  background-color: rgba(255, 255, 255, 0.12);
  text-decoration: none;
}

/* Active Navigation Item (Desktop: WordPress determined active item) */
.eduinfo-nav-menu > li.current-menu-item > a,
.eduinfo-nav-menu > li.current_page_item > a,
.eduinfo-nav-menu > li.current-menu-ancestor > a,
.eduinfo-nav-menu > li.current-menu-parent > a {
  background-color: var(--edu-active-blue, #2937f0);
  color: #ffffff;
}

.eduinfo-nav-menu > li.current-menu-item > a:hover,
.eduinfo-nav-menu > li.current_page_item > a:hover {
  background-color: var(--edu-active-blue-hover, #1f2dc4);
}

.eduinfo-home-svg {
  flex-shrink: 0;
  display: inline-block;
}

/* Submenu Dropdowns */
.eduinfo-nav-menu .sub-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 210px;
  background-color: #ffffff;
  list-style: none;
  margin: 0;
  padding: 6px 0;
  border: 1px solid var(--edu-border-color, #dddddd);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  display: none;
  z-index: 999;
}

.eduinfo-nav-menu .sub-menu li a {
  color: var(--edu-text-dark, #222222);
  font-size: 13px;
  font-weight: 500;
  padding: 8px 16px;
  display: block;
  text-decoration: none;
}

.eduinfo-nav-menu .sub-menu li a:hover,
.eduinfo-nav-menu .sub-menu li a:focus {
  background-color: #f1f5f9;
  color: var(--edu-active-blue, #2937f0);
}

.eduinfo-nav-menu li:hover > .sub-menu,
.eduinfo-nav-menu li:focus-within > .sub-menu {
  display: block;
}

/* Integrated Header Search */
.eduinfo-header-search {
  position: relative;
}

.eduinfo-header-search .search-form {
  display: flex;
  align-items: center;
}

.eduinfo-header-search .search-field {
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #ffffff;
  padding: 6px 12px;
  font-size: 12.5px;
  border-radius: 3px 0 0 3px;
  outline: none;
  width: 170px;
  transition: all 0.2s ease;
}

.eduinfo-header-search .search-field::placeholder {
  color: rgba(255, 255, 255, 0.7);
}

.eduinfo-header-search .search-field:focus {
  background: #ffffff;
  color: #111111;
  width: 210px;
}

.eduinfo-header-search .search-submit {
  background: var(--edu-active-blue, #2937f0);
  border: none;
  color: #ffffff;
  padding: 6px 12px;
  font-size: 12px;
  font-weight: 700;
  border-radius: 0 3px 3px 0;
  cursor: pointer;
}

/* ==========================================================================
   Clean Card System
   ========================================================================== */
.eduinfo-card {
  background-color: var(--edu-bg-card, #ffffff);
  border: 1px solid var(--edu-border-color, #dddddd);
  border-radius: 3px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.02);
  margin-bottom: 20px;
}

/* ==========================================================================
   Article List Style (Reference Screenshot Reproduction)
   ========================================================================== */
.eduinfo-posts-wrapper {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.eduinfo-post-card {
  background-color: #ffffff;
  border: 1px solid var(--edu-border-color, #dddddd);
  border-radius: 3px;
  padding: 18px 20px;
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  gap: 20px;
  transition: border-color 0.15s ease;
}

.eduinfo-post-card:hover {
  border-color: #b0b0b0;
}

/* 180x110 Featured Image on Left */
.eduinfo-post-card__thumb {
  flex: 0 0 180px;
  width: 180px;
  height: 110px;
  overflow: hidden;
  border-radius: 2px;
  background-color: #f1f5f9;
}

.eduinfo-post-card__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.2s ease;
}

.eduinfo-post-card:hover .eduinfo-post-card__thumb img {
  transform: scale(1.03);
}

.eduinfo-thumb-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #f1f5f9;
  border: 1px dashed #cbd5e1;
}

/* Article Content on Right */
.eduinfo-post-card__content {
  flex: 1 1 auto;
  min-width: 0;
}

.eduinfo-post-card__category {
  margin-bottom: 6px;
}

.eduinfo-card-category a {
  font-size: 11.5px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--edu-active-blue, #2937f0);
  letter-spacing: 0.04em;
  text-decoration: none;
}

.eduinfo-card-category a:hover {
  text-decoration: underline;
}

/* Post Title: ~24px, 600-700 weight, 1.15-1.3 line-height */
.eduinfo-post-card__title {
  font-size: 22px;
  font-weight: 700;
  line-height: 1.25;
  margin: 0 0 8px 0;
  letter-spacing: -0.015em;
}

.eduinfo-post-card__title a {
  color: #1a1a1a;
  text-decoration: none;
}

.eduinfo-post-card__title a:hover {
  color: var(--edu-link-color, #1a0dab);
  text-decoration: underline;
}

/* Metadata: Small gray text */
.eduinfo-post-card__meta {
  font-size: 12.5px;
  color: var(--edu-text-light, #888888);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
}

.eduinfo-post-card__meta a {
  color: var(--edu-text-muted, #666666);
  text-decoration: none;
}

.eduinfo-post-card__meta a:hover {
  text-decoration: underline;
}

.eduinfo-meta-separator {
  color: #cccccc;
}

/* Excerpt: 14-16px */
.eduinfo-post-card__excerpt {
  font-size: 14.5px;
  line-height: 1.55;
  color: #4a4a4a;
  margin-bottom: 14px;
}

.eduinfo-post-card__excerpt p {
  margin: 0;
}

/* Dark Rectangular "Read More" Button */
.eduinfo-btn-read-more {
  display: inline-block;
  background-color: var(--edu-button-dark, #28364d);
  color: #ffffff;
  font-size: 12.5px;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 2px;
  text-decoration: none;
  transition: background-color 0.15s ease-in-out;
}

.eduinfo-btn-read-more:hover,
.eduinfo-btn-read-more:focus {
  background-color: var(--edu-button-hover, #1e293b);
  color: #ffffff;
  text-decoration: none;
}

/* ==========================================================================
   Pagination
   ========================================================================== */
.eduinfo-pagination,
.pagination {
  margin-top: 24px;
  margin-bottom: 20px;
}

.nav-links {
  display: flex;
  gap: 6px;
  align-items: center;
  flex-wrap: wrap;
}

.page-numbers {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  padding: 0 10px;
  background-color: #ffffff;
  border: 1px solid var(--edu-border-color, #dddddd);
  color: #333333;
  font-size: 13.5px;
  font-weight: 600;
  text-decoration: none;
  border-radius: 2px;
}

.page-numbers:hover,
.page-numbers:focus {
  background-color: #f1f5f9;
  color: var(--edu-primary-navy, #28364d);
  text-decoration: none;
}

.page-numbers.current {
  background-color: var(--edu-primary-navy, #28364d);
  border-color: var(--edu-primary-navy, #28364d);
  color: #ffffff;
}

/* ==========================================================================
   Sidebar Widgets (Reference Screenshot Match)
   ========================================================================== */
.eduinfo-widget {
  background-color: #ffffff;
  border: 1px solid var(--edu-border-color, #dddddd);
  border-radius: 3px;
  padding: 16px 18px;
  margin-bottom: 20px;
}

/* Widget title style: UPPERCASE, bold, small bottom border */
.eduinfo-widget-title {
  font-size: 15px;
  font-weight: 800;
  text-transform: uppercase;
  color: #1a1a1a;
  letter-spacing: 0.05em;
  padding-bottom: 8px;
  margin: 0 0 14px 0;
  border-bottom: 1px solid var(--edu-border-color, #dddddd);
  position: relative;
}

.eduinfo-widget-title::after {
  content: "";
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 40px;
  height: 2px;
  background-color: var(--edu-active-blue, #2937f0);
}

/* Compact Popular Posts List: 80x60 thumbnail + title */
.eduinfo-popular-posts-list {
  display: flex;
  flex-direction: column;
}

.eduinfo-popular-post {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 12px;
  padding-top: 10px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--edu-border-light, #ebebeb);
}

.eduinfo-popular-post:first-child {
  padding-top: 0;
}

.eduinfo-popular-post:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.eduinfo-popular-post__thumb {
  flex: 0 0 80px;
  width: 80px;
  height: 60px;
  border-radius: 2px;
  overflow: hidden;
  background-color: #f1f5f9;
}

.eduinfo-popular-post__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.eduinfo-popular-post__body {
  flex: 1 1 auto;
  min-width: 0;
}

.eduinfo-popular-post__title {
  font-size: 13.5px;
  font-weight: 600;
  line-height: 1.35;
  margin: 0 0 4px 0;
}

.eduinfo-popular-post__title a {
  color: #222222;
  text-decoration: none;
}

.eduinfo-popular-post__title a:hover {
  color: var(--edu-link-color, #1a0dab);
  text-decoration: underline;
}

.eduinfo-popular-post__meta {
  font-size: 11.5px;
  color: #888888;
  display: flex;
  align-items: center;
  gap: 8px;
}

.eduinfo-popular-post__comments {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  color: #64748b;
}

/* Category List in Sidebar */
.eduinfo-categories-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.eduinfo-categories-list li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 7px 0;
  border-bottom: 1px dotted var(--edu-border-color, #dddddd);
  font-size: 13.5px;
}

.eduinfo-categories-list li:last-child {
  border-bottom: none;
}

.eduinfo-categories-list a {
  color: #333333;
  text-decoration: none;
}

.eduinfo-categories-list a:hover {
  color: var(--edu-active-blue, #2937f0);
  text-decoration: underline;
}

.eduinfo-categories-list .count {
  font-size: 11.5px;
  background-color: #f1f5f9;
  color: #64748b;
  padding: 2px 7px;
  border-radius: 10px;
}

/* ==========================================================================
   Single Post Page (Reference Screenshot Match)
   ========================================================================== */
.eduinfo-breadcrumbs {
  margin-bottom: 14px;
  font-size: 12.5px;
  color: #777777;
}

.eduinfo-breadcrumbs__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
}

.eduinfo-breadcrumbs__item a {
  color: #555555;
  text-decoration: none;
}

.eduinfo-breadcrumbs__item a:hover {
  color: var(--edu-link-color, #1a0dab);
  text-decoration: underline;
}

.eduinfo-breadcrumbs__item.current {
  color: #222222;
  font-weight: 600;
}

.eduinfo-breadcrumbs__separator {
  color: #aaaaaa;
}

.eduinfo-single-card {
  padding: 28px 32px;
}

.eduinfo-single-title {
  font-size: 29px;
  font-weight: 800;
  line-height: 1.25;
  color: #111111;
  margin-bottom: 14px;
  letter-spacing: -0.02em;
}

.eduinfo-single-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  color: #777777;
  padding-bottom: 16px;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--edu-border-light, #ebebeb);
}

.eduinfo-single-meta .eduinfo-meta-item {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.eduinfo-single-meta a {
  color: #444444;
  text-decoration: none;
}

.eduinfo-single-meta a:hover {
  color: var(--edu-link-color, #1a0dab);
}

.eduinfo-single-featured-image {
  margin-bottom: 24px;
  border-radius: 2px;
  overflow: hidden;
}

.eduinfo-single-featured-image img {
  width: 100%;
  height: auto;
  display: block;
}

.eduinfo-featured-caption {
  font-size: 12.5px;
  color: #777777;
  text-align: center;
  padding-top: 6px;
  font-style: italic;
}

/* Single Post Content Typography */
.entry-content {
  font-size: 16px;
  line-height: 1.7;
  color: #2b2b2b;
}

.entry-content h2 {
  font-size: 22px;
  font-weight: 700;
  margin-top: 1.6em;
  margin-bottom: 0.6em;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--edu-border-light, #ebebeb);
}

.entry-content h3 {
  font-size: 19px;
  font-weight: 700;
  margin-top: 1.4em;
  margin-bottom: 0.5em;
}

.entry-content ul,
.entry-content ol {
  padding-left: 24px;
  margin-bottom: 1.4em;
}

.entry-content li {
  margin-bottom: 6px;
}

.entry-content blockquote {
  border-left: 4px solid var(--edu-primary-navy, #28364d);
  padding: 10px 20px;
  margin: 1.5em 0;
  background-color: #f8fafc;
  color: #475569;
  font-style: italic;
}

.entry-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5em 0;
  font-size: 14.5px;
}

.entry-content table th,
.entry-content table td {
  border: 1px solid var(--edu-border-color, #dddddd);
  padding: 9px 14px;
  text-align: left;
}

.entry-content table th {
  background-color: #f1f5f9;
  font-weight: 700;
}

/* Table of Contents Container */
.eduinfo-toc {
  background-color: #f8f9fa;
  border: 1px solid var(--edu-border-color, #dddddd);
  border-radius: 3px;
  padding: 16px 20px;
  margin-bottom: 24px;
}

.eduinfo-toc__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  color: #111111;
  margin-bottom: 10px;
}

.eduinfo-toc__toggle-btn {
  background: none;
  border: none;
  color: var(--edu-active-blue, #2937f0);
  font-size: 12px;
  cursor: pointer;
  padding: 0;
  text-decoration: underline;
}

.eduinfo-toc__list {
  list-style: decimal;
  margin: 0;
  padding-left: 20px;
  font-size: 14px;
}

.eduinfo-toc__list li {
  margin-bottom: 5px;
}

/* Social Share Box */
.eduinfo-share-box {
  background-color: #f8fafc;
  border: 1px solid var(--edu-border-light, #ebebeb);
  border-radius: 3px;
  padding: 14px 18px;
  margin-top: 28px;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.eduinfo-share-title {
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.05em;
  color: #555555;
}

.eduinfo-share-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.eduinfo-share-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: 2px;
  color: #ffffff;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: opacity 0.15s ease;
}

.eduinfo-share-btn:hover {
  opacity: 0.88;
  color: #ffffff;
  text-decoration: none;
}

.eduinfo-share-fb { background-color: #1877f2; }
.eduinfo-share-x  { background-color: #0f1419; }
.eduinfo-share-wa { background-color: #25d366; }
.eduinfo-share-li { background-color: #0a66c2; }
.eduinfo-share-copy {
  background-color: #475569;
}

/* Author Bio Box */
.eduinfo-author-box {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  padding: 20px;
  background-color: #ffffff;
  border: 1px solid var(--edu-border-color, #dddddd);
  border-radius: 3px;
  margin-top: 24px;
}

.eduinfo-author-box__avatar img {
  border-radius: 50%;
  width: 75px;
  height: 75px;
}

.eduinfo-author-box__label {
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--edu-active-blue, #2937f0);
  letter-spacing: 0.05em;
  display: block;
  margin-bottom: 3px;
}

.eduinfo-author-box__name {
  font-size: 17px;
  font-weight: 700;
  margin: 0 0 6px 0;
}

.eduinfo-author-box__name a {
  color: #111111;
  text-decoration: none;
}

.eduinfo-author-box__bio {
  font-size: 13.5px;
  color: #555555;
  margin: 0 0 8px 0;
  line-height: 1.55;
}

.eduinfo-author-box__link a {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--edu-link-color, #1a0dab);
}

/* Previous / Next Article Navigation */
.eduinfo-post-navigation {
  margin-top: 24px;
  margin-bottom: 24px;
}

.eduinfo-post-navigation .nav-links {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.eduinfo-post-navigation .nav-previous,
.eduinfo-post-navigation .nav-next {
  background-color: #ffffff;
  border: 1px solid var(--edu-border-color, #dddddd);
  border-radius: 3px;
  padding: 14px 18px;
}

.eduinfo-nav-subtitle {
  display: block;
  font-size: 11.5px;
  font-weight: 700;
  text-transform: uppercase;
  color: #777777;
  letter-spacing: 0.04em;
  margin-bottom: 4px;
}

.eduinfo-nav-title {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: #111111;
  line-height: 1.35;
}

/* Related Posts */
.eduinfo-related-posts {
  padding: 20px 24px;
  margin-top: 24px;
  margin-bottom: 24px;
}

.eduinfo-related-title {
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 0.05em;
  color: #111111;
  margin: 0 0 16px 0;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--edu-border-light, #ebebeb);
}

.eduinfo-related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.eduinfo-related-item__thumb {
  height: 110px;
  overflow: hidden;
  border-radius: 2px;
  background-color: #f1f5f9;
  margin-bottom: 8px;
}

.eduinfo-related-item__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.eduinfo-related-item__title {
  font-size: 13.5px;
  font-weight: 600;
  line-height: 1.35;
  margin: 0 0 4px 0;
}

.eduinfo-related-item__title a {
  color: #222222;
  text-decoration: none;
}

.eduinfo-related-item__title a:hover {
  color: var(--edu-link-color, #1a0dab);
  text-decoration: underline;
}

.eduinfo-related-item__date {
  font-size: 11.5px;
  color: #888888;
}

/* ==========================================================================
   Comments Area
   ========================================================================== */
.eduinfo-comments-area {
  padding: 28px 32px;
  margin-top: 24px;
}

.eduinfo-comments-title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--edu-border-light, #ebebeb);
}

.eduinfo-comment-list {
  list-style: none;
  margin: 0 0 28px 0;
  padding: 0;
}

.eduinfo-comment-body {
  border-bottom: 1px solid var(--edu-border-light, #ebebeb);
  padding: 16px 0;
}

.eduinfo-comment-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
}

.eduinfo-comment-author img {
  border-radius: 50%;
  vertical-align: middle;
  margin-right: 6px;
}

.eduinfo-comment-author .fn {
  font-weight: 700;
  font-size: 14px;
  color: #111111;
}

.eduinfo-comment-metadata {
  font-size: 12px;
  color: #888888;
}

.eduinfo-comment-content {
  font-size: 14.5px;
  line-height: 1.6;
  color: #333333;
}

.eduinfo-comment-form input[type="text"],
.eduinfo-comment-form input[type="email"],
.eduinfo-comment-form input[type="url"],
.eduinfo-comment-form textarea {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid var(--edu-border-color, #dddddd);
  border-radius: 3px;
  font-family: inherit;
  font-size: 14px;
  margin-top: 4px;
  margin-bottom: 14px;
}

.eduinfo-submit-btn {
  background-color: var(--edu-button-dark, #28364d);
  color: #ffffff;
  border: none;
  padding: 9px 20px;
  font-size: 13.5px;
  font-weight: 700;
  border-radius: 3px;
  cursor: pointer;
  transition: background-color 0.15s ease;
}

.eduinfo-submit-btn:hover {
  background-color: var(--edu-button-hover, #1e293b);
}

/* ==========================================================================
   Google AdSense / Advertisement Containers (Anti-CLS)
   ========================================================================== */
.eduinfo-ad {
  margin: 18px auto;
  text-align: center;
  position: relative;
  min-height: var(--ad-min-height, 90px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.eduinfo-ad-top {
  max-width: var(--edu-container-max, 1200px);
  padding: 10px 20px 0;
  margin-top: 14px;
  margin-bottom: 6px;
}

.eduinfo-ad__container {
  width: 100%;
  background-color: #fafafa;
  border: 1px dashed #d1d5db;
  padding: 6px 10px 10px;
  border-radius: 3px;
}

.eduinfo-ad__label {
  display: block;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #94a3b8;
  margin-bottom: 4px;
  text-align: center;
}

.eduinfo-ad__placeholder {
  min-height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #94a3b8;
  font-size: 12px;
  font-weight: 500;
}

.eduinfo-ad__preview-notice {
  font-size: 11px;
  color: #64748b;
  padding: 8px;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.eduinfo-site-footer {
  background-color: #ffffff;
  border-top: 1px solid var(--edu-border-color, #dddddd);
  margin-top: 40px;
}

.eduinfo-footer-widgets {
  padding-top: 36px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--edu-border-light, #ebebeb);
}

.eduinfo-footer-widgets-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.eduinfo-footer-widget-title {
  font-size: 15px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: #111111;
  margin-bottom: 12px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--edu-border-light, #ebebeb);
}

.eduinfo-footer-bottom {
  background-color: #f8f9fa;
  padding: 16px 0;
}

.eduinfo-footer-bottom-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: #666666;
}

.eduinfo-footer-menu {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 16px;
}

.eduinfo-footer-menu a {
  color: #666666;
  text-decoration: none;
}

.eduinfo-footer-menu a:hover {
  color: var(--edu-primary-navy, #28364d);
  text-decoration: underline;
}

/* Back to Top Button */
.eduinfo-back-to-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background-color: var(--edu-primary-navy, #28364d);
  color: #ffffff;
  border: none;
  border-radius: 4px;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all 0.2s ease-in-out;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
  z-index: 999;
}

.eduinfo-back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.eduinfo-back-to-top:hover {
  background-color: var(--edu-active-blue, #2937f0);
}