/* ==========================================================================
   Font Face
   ========================================================================== */

/* latin-ext */
@font-face {
  font-family: 'Sora';
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url('../fonts/sora-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

/* latin */
@font-face {
  font-family: 'Sora';
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url('../fonts/sora-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* ==========================================================================
   Design Tokens
   ========================================================================== */

:root {
  --color-primary: #a62eff;
  --color-primary-dark: #8e0ae9;
  --color-title: #260030;
  --color-text: #260030;
  --color-text-light: #566e8b;
  --color-accent-green: #5edf8e;
  --color-reaction-green: #00b88a;
  --color-accent-purple-light: rgba(166, 46, 255, 0.1);
  --color-reaction-happy: #22c55e;
  --color-reaction-neutral: #f59e0b;
  --color-reaction-sad: #ef4444;
  --color-bg: #ffffff;
  --color-bg-alt: #f8f8fc;
  --color-bg-hero: #f0f4ff;
  --color-border: #e8ecf1;
  --color-shadow: rgba(0, 0, 0, 0.06);

  --radius-sm: 5px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-pill: 50px;

  --shadow-card: 0 2px 12px var(--color-shadow);
  --shadow-hover: 0 4px 20px rgba(0, 0, 0, 0.1);

  --font-sans: "Sora", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;

  --size-13: 0.8125rem;
  --size-14: 0.875rem;
  --size-16: 1rem;
  --size-20: 1.25rem;
  --size-24: 1.5rem;
  --size-36: 2.25rem;
  --size-42: 2.625rem;

  --max-width: 1400px;
  --header-height: 64px;
  --sidebar-width: 280px;
  --toc-width: 240px;
}

/* ==========================================================================
   Reset
   ========================================================================== */

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 20px);
}

body {
  font-family: var(--font-sans);
  font-size: var(--size-16);
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--color-primary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

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

ul, ol {
  list-style: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
  font-size: inherit;
}

/* ==========================================================================
   Header
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  height: var(--header-height);
}

.header-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.header-logo {
  height: 32px;
  width: auto;
}

.header-title {
  color: var(--color-text);
  font-size: var(--size-16);
  font-weight: 400;
  text-decoration: none;
}

.header-title:hover {
  text-decoration: none;
  color: var(--color-primary);
}

.header-right {
  display: flex;
  align-items: center;
  gap: 24px;
}

.header-link {
  display: flex;
  align-items: center;
  font-size: var(--size-14);
  color: var(--color-text-light);
}

.header-link:hover {
  color: var(--color-primary);
  text-decoration: none;
}

.mobile-menu-toggle {
  display: none;
  color: var(--color-text-light);
  padding: 4px;
}

/* Language switcher — dropdown */
.language-switcher {
  position: relative;
}

.lang-current {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font-size: var(--size-14);
  transition: background 0.2s;
}

.lang-current:hover {
  background: var(--color-bg-alt);
}

.lang-current-flag {
  border-radius: 2px;
}

.lang-current-name {
  font-weight: 500;
}

.lang-chevron {
  transition: transform 0.2s;
}

.language-switcher.is-open .lang-chevron {
  transform: rotate(180deg);
}

.lang-dropdown {
  position: absolute;
  top: calc(100% + 4px);
  right: 0;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-hover);
  min-width: 160px;
  z-index: 110;
  overflow: hidden;
}

.lang-dropdown[hidden] {
  display: none;
}

.lang-dropdown-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  font-size: var(--size-14);
  color: var(--color-text);
  transition: background 0.15s;
  text-decoration: none;
}

.lang-dropdown-item:hover {
  background: var(--color-bg-alt);
  text-decoration: none;
}

.lang-dropdown-item img {
  border-radius: 2px;
}

/* ==========================================================================
   Hero
   ========================================================================== */

.hero {
  background: url('../images/hero-bg.png') center/cover no-repeat, #8b5cf6;
  padding: 60px 24px;
  text-align: center;
}

.hero-container {
  max-width: 700px;
  margin: 0 auto;
}

.hero-title {
  font-size: var(--size-42);
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 24px;
  line-height: 1.2;
}

.hero-search {
  max-width: 600px;
  margin: 0 auto;
}

.hero-search-input {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 20px;
  background: var(--color-bg);
  border: none;
  border-radius: var(--radius-pill);
  font-size: var(--size-16);
  color: var(--color-text-light);
  cursor: pointer;
  transition: box-shadow 0.2s;
  box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.hero-search-input:hover {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(82, 143, 254, 0.1);
}

.hero-search-input svg {
  flex-shrink: 0;
}

.hero-search-kbd {
  margin-left: auto;
  font-size: 12px;
  color: var(--color-text-light);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 2px 8px;
}

/* ==========================================================================
   Categories Section
   ========================================================================== */

.categories-section {
  padding: 60px 24px;
}

.categories-container {
  max-width: var(--max-width);
  margin: 0 auto;
}

.categories-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

/* Category Card */
.category-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 24px;
  box-shadow: var(--shadow-card);
  transition: box-shadow 0.2s;
  display: flex;
  flex-direction: column;
}

.category-card:hover {
  box-shadow: var(--shadow-hover);
}

.category-card-header {
  display: block;
  margin-bottom: 16px;
}

.category-icon {
  display: none;
}

.category-card-title {
  font-size: var(--size-20);
  color: #260030;
  font-weight: 600;
  padding-bottom: 12px;
  border-bottom: 2px solid #8e0ae9;
}

.category-card-title a {
  color: inherit;
  text-decoration: none;
}

.category-card-title a:hover {
  color: var(--color-primary);
}

.category-card-articles {
  flex: 1;
  margin-bottom: 16px;
}

.category-card-articles li {
  padding: 6px 0;
  border-bottom: none;
  display: flex;
  align-items: start;
  gap: 8px;
}

.category-card-articles li:last-child {
  border-bottom: none;
}

.article-list-icon {
  flex-shrink: 0;
  color: var(--color-text-light);
  margin-top: 2px;
}

.category-card-articles a {
  font-size: var(--size-14);
  color: var(--color-text);
}

.category-card-articles a:hover,
.category-card-articles a:focus {
  color: #8e0ae9;
  text-decoration: none;
}

.category-card-link {
  font-size: var(--size-14);
  font-weight: 600;
  color: #260030;
  display: inline-block;
}

.category-card-link:hover {
  text-decoration: none;
  color: var(--color-primary-dark);
}

/* ==========================================================================
   Category Page
   ========================================================================== */

.category-page {
  padding: 40px 24px 60px;
}

.category-page-container {
  max-width: var(--max-width);
  margin: 0 auto;
}

.category-page-title {
  font-size: var(--size-36);
  color: var(--color-title);
  margin: 20px 0 32px;
  font-weight: 700;
}

.article-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

/* Article Card */
.article-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  transition: box-shadow 0.2s;
}

.article-card:hover {
  box-shadow: var(--shadow-hover);
}

.article-card-title {
  font-size: var(--size-16);
  color: var(--color-title);
  margin-bottom: 12px;
  font-weight: 600;
}

.article-card-title a {
  color: inherit;
  text-decoration: none;
}

.article-card-title a:hover {
  color: var(--color-primary);
}

.article-card-excerpt {
  font-size: var(--size-14);
  color: var(--color-text-light);
  flex: 1;
  margin-bottom: 16px;
  line-height: 1.5;
}

.article-card-btn {
  display: inline-block;
  padding: 8px 24px;
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--radius-pill);
  font-size: var(--size-14);
  font-weight: 500;
  text-decoration: none;
  transition: background 0.2s;
  align-self: flex-start;
}

.article-card-btn:hover {
  background: var(--color-primary-dark);
  text-decoration: none;
  color: #fff;
}

/* ==========================================================================
   Article Page — Three Column Layout
   ========================================================================== */

.article-page {
  display: flex;
  max-width: var(--max-width);
  margin: 0 auto;
  min-height: calc(100vh - var(--header-height) - 100px);
}

/* Sidebar Nav */
.sidebar-nav {
  width: var(--sidebar-width);
  flex-shrink: 0;
  border-right: 1px solid var(--color-border);
  padding: 24px 16px;
  position: sticky;
  top: var(--header-height);
  height: calc(100vh - var(--header-height));
  overflow-y: auto;
}

.sidebar-close {
  display: none;
  position: absolute;
  top: 12px;
  right: 12px;
  font-size: 24px;
  color: var(--color-text-light);
}

/* Sidebar Search */
.sidebar-search {
  padding: 0 4px 16px;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 12px;
}

.sidebar-search-btn {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-light);
  font-size: var(--size-13);
  transition: border-color 0.2s;
}

.sidebar-search-btn:hover {
  border-color: var(--color-primary);
}

.sidebar-search-kbd {
  margin-left: auto;
  font-size: 11px;
  color: var(--color-text-light);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 3px;
  padding: 1px 6px;
}

.sidebar-category {
  margin-bottom: 4px;
}

.sidebar-category-toggle {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  font-size: var(--size-14);
  font-weight: 600;
  color: var(--color-title);
  border-radius: var(--radius-sm);
  transition: background 0.2s;
  text-align: left;
}

.sidebar-category-toggle:hover {
  background: var(--color-bg-alt);
}

.sidebar-folder-icon {
  flex-shrink: 0;
  color: var(--color-primary);
}

.sidebar-category-label {
  flex: 1;
  min-width: 0;
}

.sidebar-category-badge {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 22px;
  height: 22px;
  padding: 0 6px;
  background: var(--color-accent-purple-light);
  color: var(--color-primary);
  border-radius: var(--radius-pill);
  font-size: 11px;
  font-weight: 600;
}

.sidebar-arrow {
  transition: transform 0.2s;
  flex-shrink: 0;
}

.sidebar-category.is-open .sidebar-arrow {
  transform: rotate(180deg);
}

.sidebar-articles {
  display: none;
  padding: 0 0 8px 12px;
}

.sidebar-category.is-open .sidebar-articles {
  display: block;
}

.sidebar-articles li {
  margin: 2px 0;
}

.sidebar-articles a {
  display: block;
  padding: 6px 12px;
  font-size: var(--size-13);
  color: var(--color-text-light);
  border-radius: var(--radius-sm);
  border-left: 2px solid transparent;
  transition: all 0.2s;
}

.sidebar-articles a:hover {
  color: var(--color-primary);
  text-decoration: none;
  background: var(--color-bg-alt);
}

.sidebar-articles a.active {
  color: var(--color-primary);
  border-left-color: var(--color-primary);
  background: var(--color-bg-alt);
  font-weight: 500;
}

/* Article Main */
.article-main {
  flex: 1;
  min-width: 0;
  padding: 32px 40px;
}

.article-content-wrapper {
  max-width: 780px;
}

/* Breadcrumb */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: var(--size-13);
  margin-bottom: 20px;
}

.breadcrumb-pill {
  display: inline-block;
  padding: 4px 12px;
  background: var(--color-accent-purple-light);
  color: var(--color-primary);
  border-radius: var(--radius-pill);
  font-weight: 500;
  text-decoration: none;
  transition: background 0.2s, color 0.2s;
}

.breadcrumb-pill:hover {
  background: var(--color-primary);
  color: #fff;
  text-decoration: none;
}

.breadcrumb-sep {
  color: var(--color-text-light);
  font-size: var(--size-14);
}

.breadcrumb-current {
  display: inline-block;
  padding: 4px 12px;
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--radius-pill);
  font-weight: 500;
}

/* Article Title */
.article-title {
  font-size: var(--size-36);
  color: var(--color-title);
  font-weight: 700;
  margin-bottom: 12px;
  line-height: 1.2;
}

/* Article Meta */
.article-meta {
  margin-bottom: 28px;
  font-size: var(--size-13);
}

.article-meta-updated {
  color: var(--color-primary);
  font-weight: 500;
}

/* Article Content Typography */
.article-content {
  line-height: 1.75;
  color: var(--color-text);
}

.article-content h2 {
  font-size: var(--size-24);
  color: var(--color-title);
  margin: 32px 0 16px;
  font-weight: 600;
}

.article-content h3 {
  font-size: var(--size-20);
  color: var(--color-title);
  margin: 24px 0 12px;
  font-weight: 600;
}

.article-content h4 {
  font-size: var(--size-16);
  color: var(--color-title);
  margin: 20px 0 10px;
  font-weight: 600;
}

.article-content p {
  margin-bottom: 16px;
}

.article-content ul,
.article-content ol {
  margin-bottom: 16px;
  padding-left: 24px;
}

.article-content ul {
  list-style: disc;
}

.article-content ol {
  list-style: decimal;
}

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

.article-content img {
  border-radius: var(--radius-md);
  margin: 16px 0;
  box-shadow: var(--shadow-card);
}

.article-content blockquote {
  border-left: 4px solid var(--color-primary);
  padding: 12px 20px;
  margin: 16px 0;
  background: var(--color-bg-alt);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--color-text-light);
}

.article-content code {
  background: var(--color-bg-alt);
  padding: 2px 6px;
  border-radius: 3px;
  font-size: 0.9em;
}

.article-content pre {
  background: #1e293b;
  color: #e2e8f0;
  padding: 16px 20px;
  border-radius: var(--radius-md);
  overflow-x: auto;
  margin: 16px 0;
}

.article-content pre code {
  background: none;
  padding: 0;
}

.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
}

.article-content th,
.article-content td {
  padding: 10px 14px;
  border: 1px solid var(--color-border);
  text-align: left;
}

.article-content th {
  background: var(--color-bg-alt);
  font-weight: 600;
  color: var(--color-title);
}

.article-content a {
  color: var(--color-primary);
  text-decoration: underline;
}

.article-content strong {
  font-weight: 600;
  color: var(--color-title);
}

/* TOC Sidebar */
.toc-sidebar {
  width: var(--toc-width);
  flex-shrink: 0;
  padding: 32px 16px;
  position: sticky;
  top: var(--header-height);
  height: calc(100vh - var(--header-height));
  overflow-y: auto;
}

.toc-title {
  font-size: var(--size-13);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-light);
  margin-bottom: 12px;
  font-weight: 600;
}

.toc-content nav ul {
  border-left: 2px solid var(--color-border);
  padding-left: 0;
}

.toc-content nav ul ul {
  border-left: none;
  margin-left: 12px;
}

.toc-content nav li {
  margin: 0;
}

.toc-content nav a {
  display: block;
  padding: 4px 0 4px 16px;
  font-size: var(--size-13);
  color: var(--color-text-light);
  border-left: 2px solid transparent;
  margin-left: -2px;
  transition: all 0.2s;
  line-height: 1.4;
}

.toc-content nav a:hover {
  color: var(--color-primary);
  text-decoration: none;
}

.toc-content nav a.active {
  color: var(--color-primary);
  border-left-color: var(--color-primary);
  font-weight: 500;
}

/* ==========================================================================
   Reactions
   ========================================================================== */

.reactions {
  margin: 40px 0;
  padding: 24px;
  background: var(--color-bg-alt);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.reactions-question {
  font-size: var(--size-16);
  font-weight: 600;
  color: var(--color-title);
  margin: 0;
}

.reactions-buttons {
  display: flex;
  align-items: center;
  gap: 16px;
}

.reaction-btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s, background 0.2s, border-color 0.2s;
  font-size: 24px;
  background: var(--color-bg);
  border: 2px solid var(--color-border);
}

.reaction-btn[data-reaction="happy"]:hover {
  transform: scale(1.15);
  border-color: var(--color-reaction-happy);
}

.reaction-btn[data-reaction="neutral"]:hover {
  transform: scale(1.15);
  border-color: var(--color-reaction-neutral);
}

.reaction-btn[data-reaction="sad"]:hover {
  transform: scale(1.15);
  border-color: var(--color-reaction-sad);
}

.reaction-btn[data-reaction="happy"].selected {
  background: var(--color-reaction-happy);
  border-color: var(--color-reaction-happy);
  transform: scale(1.1);
}

.reaction-btn[data-reaction="neutral"].selected {
  background: var(--color-reaction-neutral);
  border-color: var(--color-reaction-neutral);
  transform: scale(1.1);
}

.reaction-btn[data-reaction="sad"].selected {
  background: var(--color-reaction-sad);
  border-color: var(--color-reaction-sad);
  transform: scale(1.1);
}

.reactions-thanks {
  font-size: var(--size-14);
  color: var(--color-reaction-happy);
  font-weight: 600;
  margin-left: 12px;
}

/* ==========================================================================
   Prev / Next
   ========================================================================== */

.prev-next {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin: 32px 0;
}

.prev-next-link {
  flex: 1;
  padding: 16px 20px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.prev-next-link:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-card);
  text-decoration: none;
}

.next-link {
  text-align: right;
}

.prev-next-label {
  display: block;
  font-size: var(--size-13);
  color: var(--color-text-light);
  margin-bottom: 4px;
}

.prev-next-title {
  display: block;
  font-size: var(--size-14);
  font-weight: 600;
  color: var(--color-title);
}

/* ==========================================================================
   Social Share
   ========================================================================== */

.social-share {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 24px 0;
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
}

.social-share-label {
  font-size: var(--size-14);
  color: var(--color-text-light);
}

.social-share-links {
  display: flex;
  align-items: center;
  gap: 10px;
}

.social-share-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  color: #fff;
  transition: opacity 0.2s, transform 0.2s;
}

.social-share-link:hover {
  opacity: 0.85;
  transform: scale(1.1);
  text-decoration: none;
  color: #fff;
}

.social-share-whatsapp {
  background: #25d366;
}

.social-share-linkedin {
  background: #0077b5;
}

.social-share-facebook {
  background: #1877f2;
}

.social-share-copy {
  position: relative;
  background: var(--color-text-light);
  cursor: pointer;
  border: none;
}

.social-share-copy.copied {
  background: var(--color-reaction-happy);
}

/* Copy badge tooltip */
.social-share-copied-badge {
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background: #260030;
  color: #fff;
  font-size: 12px;
  font-weight: 500;
  white-space: nowrap;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
}

.social-share-copy.copied .social-share-copied-badge {
  opacity: 1;
}

/* ==========================================================================
   Search Modal
   ========================================================================== */

.search-modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 80px;
}

.search-modal[hidden] {
  display: none;
}

.search-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(4px);
}

.search-modal-content {
  position: relative;
  width: 100%;
  max-width: 600px;
  max-height: 70vh;
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  margin: 0 24px;
}

.search-modal-header {
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--color-border);
  padding: 0 20px;
}

.search-modal-input {
  flex: 1;
  padding: 16px 0;
  border: none;
  outline: none;
  font-size: var(--size-16);
  font-family: var(--font-sans);
  color: var(--color-text);
}

.search-modal-input::placeholder {
  color: var(--color-text-light);
}

.search-modal-close {
  font-size: 24px;
  color: var(--color-text-light);
  padding: 8px;
}

.search-modal-close:hover {
  color: var(--color-text);
}

.search-results {
  overflow-y: auto;
  padding: 8px;
}

.search-result-item {
  display: block;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  color: var(--color-text);
  text-decoration: none;
  transition: background 0.15s;
}

.search-result-item:hover {
  background: var(--color-bg-alt);
  text-decoration: none;
}

.search-result-title {
  font-size: var(--size-14);
  font-weight: 600;
  color: var(--color-title);
  margin-bottom: 4px;
}

.search-result-excerpt {
  font-size: var(--size-13);
  color: var(--color-text-light);
  line-height: 1.4;
}

.search-result-category {
  font-size: 11px;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}

.search-no-results {
  padding: 24px 16px;
  text-align: center;
  color: var(--color-text-light);
  font-size: var(--size-14);
}

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
  background: var(--color-bg);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding: 32px 24px;
}

.footer-container {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

.footer-link {
  display: flex;
  align-items: center;
  font-size: var(--size-14);
  color: var(--color-text-light);
}

/* ==========================================================================
   Categories Listing (all categories page)
   ========================================================================== */

.categories-listing {
  padding: 40px 24px 60px;
}

.categories-listing-title {
  font-size: var(--size-36);
  color: var(--color-title);
  margin-bottom: 32px;
  font-weight: 700;
}

/* ==========================================================================
   Default pages
   ========================================================================== */

.default-list,
.default-single {
  padding: 40px 24px 60px;
}

.default-list-container,
.default-single-container {
  max-width: 800px;
  margin: 0 auto;
}

/* ==========================================================================
   Responsive Design
   ========================================================================== */

/* Large screens — 3 columns stays */
@media (max-width: 1200px) {
  .toc-sidebar {
    display: none;
  }

  .article-page {
    display: flex;
  }
}

@media (max-width: 1024px) {
  .sidebar-nav {
    position: fixed;
    top: 0;
    left: -100%;
    width: 300px;
    height: 100vh;
    z-index: 150;
    background: var(--color-bg);
    transition: left 0.3s ease;
    border-right: 1px solid var(--color-border);
    box-shadow: 4px 0 20px rgba(0, 0, 0, 0.1);
    padding-top: 60px;
  }

  .sidebar-nav.is-open {
    left: 0;
  }

  .sidebar-close {
    display: block;
  }

  .mobile-menu-toggle {
    display: flex;
  }

  .sidebar-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.3);
    z-index: 149;
    display: none;
  }

  .sidebar-overlay.is-visible {
    display: block;
  }

  .article-main {
    padding: 24px 20px;
  }

  .categories-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .article-cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .header-link {
    display: none;
  }
}

@media (max-width: 768px) {
  .hero-title {
    font-size: var(--size-24);
  }

  .hero {
    padding: 40px 16px;
  }

  .categories-grid {
    grid-template-columns: 1fr;
  }

  .article-cards-grid {
    grid-template-columns: 1fr;
  }

  .article-title {
    font-size: var(--size-24);
  }

  .prev-next {
    flex-direction: column;
  }

  .next-link {
    text-align: left;
  }

  .category-page-title {
    font-size: var(--size-24);
  }

  .article-main {
    padding: 20px 16px;
  }

  .reactions {
    flex-direction: column;
    text-align: center;
    gap: 16px;
  }

  .reactions-thanks {
    margin-left: 0;
    margin-top: 8px;
  }

  .breadcrumb-pill,
  .breadcrumb-current {
    padding: 3px 8px;
    font-size: 11px;
  }

  .search-modal {
    padding-top: 20px;
  }

  .search-modal-content {
    max-height: 85vh;
  }
}