/* ============================================
   5000YAN — immersive reading theme (EN-first)
   ============================================ */

@font-face {
  font-family: "Roboto";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("/theme/wuqianyan/fonts/roboto-regular.woff2") format("woff2");
}

@font-face {
  font-family: "Roboto";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("/theme/wuqianyan/fonts/roboto-bold.woff2") format("woff2");
}

:root {
  --bg-primary: #0e1117;
  --bg-secondary: #161b22;
  --bg-tertiary: #21262d;
  --toc-bg: #1a1d24;
  --text-primary: #f0f3f6;
  --text-secondary: #b7bdc6;
  --text-muted: #8b949e;
  --accent: #2ea043;
  --accent-hover: #3fb950;
  --border: #30363d;
  --card-bg: #161b22;
  --header-bg: rgba(14, 17, 23, 0.92);
  --footer-bg: #12151c;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.45);
  --radius: 10px;
  --radius-lg: 14px;
  /* UI: local Roboto. Body text: system serif (book-like, zero download). */
  --font-ui: "Roboto", -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --font-read: Georgia, Cambria, "Times New Roman", "Liberation Serif", serif;
  /* Long-form line measure; outer shell stays near this width (see .reading-page) */
  --read-max: min(75ch, 48rem);
  --shimmer: linear-gradient(
    105deg,
    var(--bg-tertiary) 0%,
    #2d333b 45%,
    var(--bg-tertiary) 90%
  );
}

html.light {
  --bg-primary: #faf8f5;
  --bg-secondary: #f3f1ed;
  --bg-tertiary: #e8e4dc;
  --toc-bg: #f7f6f4;
  --text-primary: #1a1c1e;
  --text-secondary: #3d4148;
  --text-muted: #5c616a;
  --accent: #1b6b3a;
  --accent-hover: #14532d;
  --border: #d8d3ca;
  --card-bg: #ffffff;
  --header-bg: rgba(250, 248, 245, 0.92);
  --footer-bg: #f0ebe4;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.1);
  --shimmer: linear-gradient(105deg, #e8e4dc 0%, #f5f2ec 50%, #e8e4dc 100%);
}

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

* {
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-ui);
  line-height: 1.6;
  transition: background-color 0.25s ease, color 0.25s ease;
  -webkit-font-smoothing: antialiased;
  padding-top: 68px;
}

.container {
  width: 100%;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 22px;
}

/* ---- Skip link (a11y) ---- */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 12px;
  z-index: 200;
  padding: 10px 18px;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius);
}

.skip-link:focus {
  left: 12px;
  outline: 2px solid var(--text-primary);
  outline-offset: 2px;
}

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

/* ---- Header ---- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: var(--header-bg);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow);
  transform: translateY(0);
  transition: transform 0.3s ease-in-out;
}

.header.header-hidden {
  transform: translateY(-100%);
}

.nav-wrapper {
  max-width: 1240px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 68px;
}

.nav-left {
  display: flex;
  align-items: center;
  gap: 36px;
  min-width: 0;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-size: 22px;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: 0.02em;
  flex-shrink: 0;
}

.logo-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  background: var(--accent);
  color: #fff;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 700;
}

.logo-text {
  color: var(--text-primary);
}

.nav-menu {
  display: none;
  gap: 26px;
  align-items: center;
}

@media (min-width: 768px) {
  .nav-menu {
    display: flex;
  }
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 600;
  font-size: 15px;
  white-space: nowrap;
  transition: color 0.2s;
}

.nav-link:hover {
  color: var(--accent);
}

.search-container {
  position: relative;
}

.search-container form {
  display: flex;
  align-items: center;
  position: relative;
}

.search-icon {
  position: absolute;
  left: 14px;
  color: var(--text-muted);
  font-size: 14px;
  pointer-events: none;
  z-index: 1;
}

.search-input {
  width: 200px;
  padding: 9px 14px 9px 40px;
  border-radius: 999px;
   border: none;
  background: var(--bg-secondary);
  color: var(--text-primary);
  font-size: 14px;
  outline: none;
  transition: background-color 0.2s, width 0.2s;
}

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

.search-input:focus {
  /* border-color: var(--accent); */
  width: 260px;
}

/* ---- Global input placeholder behavior ---- */
/* Hide placeholder on focus, restore on blur (if empty). Has content = placeholder stays hidden (native). */
input::placeholder,
textarea::placeholder {
  transition: opacity 0.2s;
}

input:focus::placeholder,
textarea:focus::placeholder {
  opacity: 0;
}

.theme-toggle-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--bg-secondary);
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 17px;
  transition: background 0.2s, color 0.2s;
}

.theme-toggle-btn:hover {
  background: var(--accent);
  /* border-color: var(--accent); */
  color: #fff;
}

.mobile-menu-btn {
    display: flex;
    padding: 8px 10px;
    border: none;
    border-radius: var(--radius);
    background: transparent;
    color: var(--text-secondary);
    font-size: 20px;
    cursor: pointer;
}

.mobile-menu-btn:hover {
  background: var(--bg-secondary);
}

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

.mobile-menu {
  display: none;
  padding: 18px 22px 22px;
  background: var(--bg-secondary);
}

.mobile-menu.active {
  display: block;
}

.mobile-search {
  margin-bottom: 14px;
  padding-bottom: 14px;
}

.mobile-search form {
  position: relative;
  display: flex;
  align-items: center;
}

.mobile-search-input {
      border: none;
  width: 100%;
  padding: 11px 14px 11px 42px;
  border-radius: var(--radius);
  background: var(--bg-tertiary);
  color: var(--text-primary);
  font-size: 15px;
  outline: none;
}

.mobile-nav-links a {
  display: block;
  padding: 12px 0;
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 600;
  font-size: 15px;
}

.mobile-nav-links a:last-child {
  /* Removed border-bottom */
}

.mobile-nav-links a:hover {
  color: var(--accent);
}

.mobile-theme-toggle {
  margin-top: 14px;
  padding-top: 14px;
}

.mobile-theme-toggle button {
  width: 100%;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px;
  border-radius: var(--radius);
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
}

.mobile-theme-toggle button:hover {
  background: var(--accent);
  /* border-color: var(--accent); */
  color: #fff;
}

@media (max-width: 767px) {
  .search-container,
  .theme-toggle-btn {
    display: none;
  }
}

@media (min-width: 768px) and (max-width: 1024px) {
  .search-input {
    width: 160px;
  }
  .search-input:focus {
    width: 200px;
  }
}

/* ---- Main layout ---- */
main {
  flex: 1;
  padding: 36px 0 60px;
}

main.reading-page {
  padding: 0;
}

/* ---- Lazy media & back-to-top ---- */
.media-frame {
  position: relative;
  display: block;
  overflow: hidden;
  border-radius: inherit;
  background: var(--bg-tertiary);
  background-image: var(--shimmer);
  background-size: 200% 100%;
  animation: wu-shimmer 1.1s ease-in-out infinite;
}

.media-frame--cover {
  width: 100%;
}

.media-frame .lazy-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.media-frame:has(.lazy-img--loaded),
.media-frame:has(.lazy-img--error) {
  animation: none;
  background: var(--bg-tertiary);
}

.lazy-img {
  opacity: 0.04;
  transition: opacity 0.4s ease;
}

.lazy-img.lazy-img--loaded {
  opacity: 1;
}

.lazy-img.lazy-img--error {
  opacity: 0.35;
  object-fit: contain;
}

@keyframes wu-shimmer {
  0% {
    background-position: 100% 0;
  }
  100% {
    background-position: -100% 0;
  }
}

.reading-content img.lazy-img:not(.lazy-img--loaded) {
  width: 100%;
  height: auto;
  min-height: 72px;
  object-fit: cover;
  background-image: var(--shimmer);
  background-size: 200% 100%;
  animation: wu-shimmer 1.1s ease-in-out infinite;
}

.reading-content img.lazy-img.lazy-img--loaded {
  animation: none;
  background: none;
  min-height: 0;
}

.back-to-top {
  position: fixed;
  right: 20px;
  bottom: 24px;
  z-index: 90;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: none;
  background: var(--card-bg);
  color: var(--text-primary);
  box-shadow: var(--shadow-lg);
  cursor: pointer;
  font-size: 18px;
  transition: transform 0.2s, background 0.2s, color 0.2s;
}

.back-to-top:hover {
  background: var(--accent);
  /* border-color: var(--accent); */
  color: #fff;
  transform: translateY(-2px);
}

.back-to-top[hidden] {
  display: none !important;
}

/* ---- Home hero ---- */
.hero-section {
  text-align: center;
  padding: 48px 0 56px;
  max-width: 720px;
  margin: 0 auto;
}

.hero-title {
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 14px;
  color: var(--text-primary);
}

.hero-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 28px;
  line-height: 1.65;
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  text-decoration: none;
  font-size: 15px;
  transition: background 0.2s, transform 0.2s;
}

.hero-cta:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
}

.section-header {
  margin-bottom: 28px;
}

.section-title {
  font-size: clamp(1.35rem, 2.5vw, 1.75rem);
  font-weight: 700;
  color: var(--text-primary);
}

/* ---- Home: featured rail (Wuxiaworld-style horizontal row) ---- */
.featured-section {
  margin-bottom: 48px;
}

.featured-wrap {
  margin-inline: -22px;
  padding-inline: 22px;
}

.featured-rail {
  display: flex;
  gap: 14px;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scroll-snap-type: x mandatory;
  scroll-padding-inline: 22px;
  padding-bottom: 10px;
  margin-bottom: 4px;
  -webkit-overflow-scrolling: touch;
  scrollbar-color: var(--bg-tertiary) transparent;
  scrollbar-width: thin;
}

.featured-rail:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
  border-radius: var(--radius);
}

.featured-rail::-webkit-scrollbar {
  height: 6px;
}

.featured-rail::-webkit-scrollbar-thumb {
  background: var(--bg-tertiary);
  border-radius: 999px;
}

.featured-rail::-webkit-scrollbar-track {
  background: transparent;
}

.featured-card {
  flex: 0 0 auto;
  width: 132px;
  scroll-snap-align: start;
  text-decoration: none;
  color: inherit;
  transition: transform 0.2s ease;
}

.featured-card:hover {
  transform: translateY(-3px);
}

.featured-card:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: var(--radius);
}

.featured-cover {
  width: 100%;
  aspect-ratio: 3 / 4;
  border-radius: 10px;
  box-shadow: var(--shadow);
}

.featured-title {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  overflow: hidden;
  margin-top: 8px;
  font-family: var(--font-ui);
  font-size: 13px;
  font-weight: 600;
  line-height: 1.35;
  text-align: center;
  color: var(--text-primary);
}

.featured-card:hover .featured-title {
  color: var(--accent);
}

@media (max-width: 768px) {
  .featured-wrap {
    margin-inline: -16px;
    padding-inline: 16px;
  }

  .featured-rail {
    scroll-padding-inline: 16px;
    gap: 12px;
  }

  .featured-card {
    width: 118px;
  }
}

/* ---- List page (liebiao) ---- */
.category-header {
  /* 1. 将整体对齐方式改为 left，这样描述文字默认就会靠左 */
  text-align: left; 
  
  padding: 32px 0 28px;
  margin-bottom: 28px;
  
  /* 2. 建议加上宽度限制，防止在大屏幕上文字行太长，影响阅读 */
  max-width: 800px; 
  margin-left: auto;
  margin-right: auto;
}

.category-header .category-title {
  /* 3. 单独给标题设置 text-align: center，让它不受父级影响，保持居中 */
  text-align: center; 
  
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 800;
  margin-bottom: 12px;
  color: var(--text-primary);
}

/* 4. 针对描述内容的额外优化（可选） */
.category-header .category-lead {
  font-size: 1.125rem;       /* 稍微大一点的字号，更适合阅读 */
  line-height: 1.6;          /* 舒适的行高 */
  color: var(--text-secondary); /* 使用次级颜色，与标题区分开 */
  margin-top: 10px;          /* 与标题保持一点距离 */
}

.category-header p,
.category-header .category-lead {
  font-size: 16px;
  color: var(--text-secondary);
  max-width: 640px;
  margin: 0 auto;
  line-height: 1.65;
}

/* ---- Subcategory List (Compact Vertical Cards) ---- */
.subcategory-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 48px;
}

.subcategory-card {
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--card-bg);
  transition: transform 0.2s, box-shadow 0.2s;
}

.subcategory-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.subcategory-card-link {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 0;
  text-decoration: none;
  color: inherit;
}

.subcategory-card-cover {
  position: relative;
  width: 100%;
  overflow: hidden;
  background: var(--bg-tertiary);
}

.subcategory-card-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
  display: block;
}

.subcategory-card:hover .subcategory-card-image.lazy-img--loaded {
  transform: scale(1.03);
}

.subcategory-card-content {
  padding: 16px 20px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 8px;
}

.subcategory-card-title {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.3;
  color: var(--text-primary);
  margin: 0;
  transition: color 0.2s;
}

.subcategory-card:hover .subcategory-card-title {
  color: var(--accent);
}

.subcategory-card-desc {
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-secondary);
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

@media (max-width: 768px) {
  .subcategory-list {
    gap: 12px;
  }
  .subcategory-card-link {
    grid-template-columns: 1fr;
  }
  .subcategory-card-cover {
    max-height: 140px;
  }
  .subcategory-card-content {
    padding: 14px 16px;
    gap: 6px;
  }
  .subcategory-card-title {
    font-size: 15px;
  }
  .subcategory-card-desc {
    font-size: 12px;
    -webkit-line-clamp: 2;
    line-clamp: 2;
  }
}

/* ---- Directory (mulu) ---- */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  margin: 22px 0;
  font-size: 14px;
  color: var(--text-muted);
  background: var(--bg-secondary);
  border-radius: var(--radius);
}

.breadcrumb a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
}

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

.breadcrumb--reading {
  font-size: 13px;
  background: transparent;
  border-radius: 0;
  padding: 0;
  margin-bottom: 20px;
}

.category-header-with-cover {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 24px;
  align-items: start;
  padding: 24px;
  margin-bottom: 26px;
  border-radius: var(--radius-lg);
  background: var(--card-bg);
  box-shadow: var(--shadow);
}

.category-cover {
  border-radius: var(--radius);
  overflow: hidden;
}

.category-cover .media-frame {
  border-radius: var(--radius);
}

.category-cover-img {
  width: 100%;
  display: block;
  aspect-ratio: 3 / 4;
  object-fit: cover;
}

.category-info .category-title {
  font-size: clamp(1.35rem, 2.5vw, 1.75rem);
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 10px;
  color: var(--text-primary);
}

.category-description {
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: 14px;
  text-align: left;
}

.subcategory-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-top: 8px;
}

.subcategory-tag {
  display: inline-flex;
  padding: 7px 14px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  color: var(--text-secondary);
  background: var(--toc-bg);
  transition: background 0.2s, color 0.2s;
}

.subcategory-tag:hover {
  background: var(--accent);
  /* border-color: var(--accent); */
  color: #fff;
}



@media (max-width: 640px) {
  .category-header-with-cover {
    grid-template-columns: 1fr;
  }
  .category-cover {
    max-width: 200px;
    margin: 0 auto;
  }
  .category-info {
    text-align: center;
  }
  .category-info .category-title {
    text-align: center;
  }
  .category-info .subcategory-tags {
    justify-content: center;
  }
}

/* ---- TOC ---- */
.toc-compact {
  padding: 24px;
  margin-bottom: 40px;
  border-radius: var(--radius-lg);
  background: var(--card-bg);
  box-shadow: var(--shadow);
}

.toc-header {
  margin-bottom: 18px;
  padding-bottom: 14px;
}

.toc-title {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-left: 16px;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
}

.toc-title i {
  color: var(--accent);
}

.toc-list-compact {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toc-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 13px 16px;
  border-radius: var(--radius);
  background: var(--toc-bg);
  text-decoration: none;
  color: inherit;
  transition: background 0.2s, transform 0.2s;
}

.toc-item:hover {
  /* border-color: var(--accent); */
  background: var(--bg-tertiary);
  transform: translateX(3px);
}

.toc-item-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  flex: 1;
  min-width: 0;
}

.toc-item i {
  flex-shrink: 0;
  font-size: 12px;
  color: var(--text-muted);
}

.toc-item:hover i {
  color: var(--accent);
}

/* ============================================
   Minimal Pagination (Western UX Style)
   ============================================ */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 32px;
  padding: 16px 0;
  flex-wrap: wrap;
}

/* .pagination--minimal {
  border-top: 1px solid var(--border);
} */

.pagination__info {
  font-size: 13px;
  color: var(--text-muted);
  font-family: var(--font-ui);
  letter-spacing: 0.02em;
}

.pagination__link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  padding: 0 12px;
  font-size: 14px;
  font-family: var(--font-ui);
  font-weight: 500;
  color: var(--text-secondary);
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius);
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s ease;
}

.pagination__link:hover {
  color: var(--text-primary);
  background: var(--bg-tertiary);
  /* border-color: var(--border); */
}

.pagination__link--current {
  color: var(--accent);
  background: rgba(46, 160, 67, 0.1);
  /* border-color: var(--accent); */
  cursor: default;
}

.pagination__link--disabled {
  opacity: 0.3;
  cursor: not-allowed;
  pointer-events: none;
}

.pagination__link i {
  font-size: 12px;
}

@media (max-width: 768px) {
  .pagination {
    gap: 6px;
    margin-top: 24px;
  }

  .pagination__link {
    min-width: 32px;
    height: 32px;
    padding: 0 10px;
    font-size: 13px;
  }

  .pagination__info {
    font-size: 12px;
  }
}

/* ---- Reading (fengmian / neirong): narrow “book” column, centered ---- */
.reading-page {
  width: 100%;
  max-width: min(calc(var(--read-max) + 3rem), 94vw);
  margin: 0 auto;
  padding: 28px clamp(14px, 3vw, 22px) 56px;
}

.reading-measure {
  width: 100%;
  max-width: var(--read-max);
  margin: 0 auto;
}

.reading-progress-track {
  position: fixed;
  top: 68px;
  left: 0;
  right: 0;
  height: 2px;
  z-index: 99;
  pointer-events: none;
  background: var(--bg-tertiary);
  transition: top 0.3s ease-in-out;
}

.reading-progress-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent), var(--accent-hover));
  transition: width 0.12s ease-out;
}

/* Progress bar sticks to top when header is hidden */
.reading-progress-track.progress-stick-top {
  top: 0;
}

@media (max-width: 767px) {
  .reading-progress-track {
    top: 60px;
  }
}

.reading-page--chapter .reading-measure {
  padding-bottom: 8px;
}

@media (min-width: 880px) {
  .reading-page--chapter .reading-measure {
    padding: 22px 22px 32px;
    border-radius: var(--radius-lg);
  }
}

.article-header {
  margin-bottom: 28px;
  padding-bottom: 22px;
}

/* .article-header--chapter {
  position: relative;
}

.article-header--chapter::after {
  content: "";
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 4rem;
  height: 2px;
  border-radius: 2px;
  background: var(--accent);
} */

.article-header h1 {
  font-family: var(--font-ui);
  font-size: clamp(1.85rem, 4.2vw, 2.5rem);
  font-weight: 700;
  line-height: 1.18;
  letter-spacing: -0.025em;
  color: var(--text-primary);
  text-wrap: balance;
}

/* .article-kicker {
  display: block;
  font-family: var(--font-ui);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 10px;
} */

.reading-content {
  font-family: var(--font-read);
  font-size: 1.125rem;
  line-height: 1.88;
  color: var(--text-primary);
  text-rendering: optimizeLegibility;
}

.reading-content p {
  margin-bottom: 1.25em;
}

.reading-content h2,
.reading-content h3 {
  font-family: var(--font-ui);
  margin: 1.65em 0 0.55em;
  line-height: 1.28;
  color: var(--text-primary);
  font-weight: 700;
}

.reading-content h2 {
  font-size: 1.35rem;
}

.reading-content h3 {
  font-size: 1.15rem;
}

.reading-content a {
  color: var(--accent);
  text-underline-offset: 0.15em;
}

.reading-content a:hover {
  color: var(--accent-hover);
}

.reading-content img,
.reading-content video {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius);
}

.reading-content ul,
.reading-content ol {
  margin: 0 0 1.25em 1.2em;
  padding-left: 0.25em;
}

.reading-content li {
  margin-bottom: 0.45em;
}

.reading-content li::marker {
  color: var(--accent);
}

.reading-content hr {
  border: none;
  margin: 2em 0;
  height: 1px;
  background: var(--bg-tertiary);
}

.reading-content code,
.reading-content kbd {
  font-family: ui-monospace, "Cascadia Code", "Segoe UI Mono", Menlo, monospace;
  font-size: 0.9em;
  padding: 0.12em 0.4em;
  border-radius: 4px;
  background: var(--bg-secondary);
}

.reading-content pre {
  margin: 1.25em 0;
  padding: 1rem 1.1rem;
  overflow-x: auto;
  font-size: 0.92em;
  line-height: 1.55;
  border-radius: var(--radius);
  background: var(--bg-secondary);
}

.reading-content pre code {
  border: none;
  padding: 0;
  background: none;
  font-size: inherit;
}

.reading-content blockquote {
  margin: 1.35em 0;
  padding: 0.85em 0 0.85em 1.15em;
  border-left: 4px solid var(--accent);
  color: var(--text-secondary);
  font-style: italic;
  background: var(--bg-secondary);
  border-radius: 0 var(--radius) var(--radius) 0;
}

/* ---- Chapter nav ---- */
.chapter-navigation {
  margin-top: 48px;
  padding-top: 28px;
}

@media (max-width: 640px) {
  .chapter-navigation {
    padding-bottom: 80px;
  }
}

.chapter-nav-wrapper {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: stretch;
  gap: 14px;
}

.prenext-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-width: min(100%, 220px);
  padding: 13px 22px;
  border-radius: var(--radius);
  background: var(--card-bg);
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition: background 0.2s, color 0.2s, transform 0.2s;
}

.prenext-link:hover {
  background: var(--accent);
  /* border-color: var(--accent); */
  color: #fff;
  transform: translateY(-1px);
}

@media (max-width: 520px) {
  .chapter-nav-wrapper {
    flex-direction: column;
  }
  .prenext-link {
    width: 100%;
  }
}

/* ---- Footer ---- */
.footer {
  margin-top: auto;
  padding: 40px 0 24px;
  background: var(--footer-bg);
  /* border-top: 1px solid var(--border); */
}

.footer-content {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

@media (min-width: 768px) {
  .footer-content {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-start;
    gap: 40px;
  }

  .footer-brand {
    flex: 0 0 auto;
    max-width: 45%;
  }

  .footer-nav {
    flex: 1;
    justify-content: flex-end;
    gap: 48px;
  }
}

.footer-brand h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 8px;
}

.footer-brand p {
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-muted);
  max-width: 400px;
}

.footer-nav {
  display: flex;
  gap: 32px;
}

@media (max-width: 767px) {
  .footer-nav {
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
  }
  .footer-bottom p{
    text-align: left;
  }
}

.footer-nav-section h4 {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.footer-nav-link {
  font-size: 12px;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.2s;
}

.footer-nav-link:hover {
  color: var(--accent);
}

.footer-bottom {
  padding-top: 22px;
  text-align: center;
  font-size: 13px;
  color: var(--text-muted);
}

/* ---- Misc ---- */
::selection {
  background: var(--accent);
  color: #fff;
}

@media (max-width: 768px) {
  body {
    padding-top: 60px;
  }
  main:not(.reading-page) {
    padding: 0 16px 40px;
  }
  .reading-page {
    padding: 22px 16px 44px;
  }
  .toc-compact {
    padding: 18px;
  }
}

/* ---- Tools Page ---- */
.tools-page-header {
  text-align: center;
  padding: 40px 0 32px;
  max-width: 720px;
  margin: 0 auto;
}

.tools-page-title {
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 14px;
  color: var(--text-primary);
}

.tools-page-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 28px;
  line-height: 1.65;
}

.tools-list-section {
  margin-bottom: 48px;
}

.tools-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.tool-item {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 24px;
  align-items: center;
  padding: 24px;
  border-radius: var(--radius-lg);
  background: var(--card-bg);
  box-shadow: var(--shadow);
  transition: transform 0.2s, box-shadow 0.2s;
  text-decoration: none;
  color: inherit;
}

.tool-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.tool-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin: 0;
  line-height: 1.3;
  color: var(--text-primary);
}

.tool-desc {
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-secondary);
  margin: 0;
}

/* ---- Tools on Homepage ---- */
.tools-home-section {
  margin-bottom: 48px;
}

.tools-home-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.tools-home-item {
  display: grid;
  grid-template-columns: 1fr 2fr auto;
  gap: 20px;
  align-items: center;
  padding: 20px;
  border-radius: var(--radius-lg);
  background: var(--card-bg);
  box-shadow: var(--shadow);
  transition: transform 0.2s, box-shadow 0.2s;
  text-decoration: none;
  color: inherit;
}

.tools-home-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.tools-home-item .tool-title {
  font-size: 1.15rem;
  color: var(--text-primary);
}

.tools-home-item:hover .tool-title {
  color: var(--accent);
}

.tools-home-item .tool-desc {
  font-size: 13px;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.view-more-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  text-decoration: none;
  font-size: 14px;
  white-space: nowrap;
  transition: background 0.2s, transform 0.2s;
}

.view-more-btn:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
}

/* ---- Responsive adjustments for tools ---- */
@media (max-width: 768px) {
  .tools-page-header {
    padding: 32px 0 24px;
  }

  .tools-page-title {
    font-size: clamp(1.75rem, 3.5vw, 2.25rem);
  }

  .tools-page-subtitle {
    font-size: 1rem;
  }

  .tools-list-section {
    margin-bottom: 36px;
  }

  .tools-list {
    gap: 14px;
  }

  .tool-item {
    grid-template-columns: 1fr;
    gap: 12px;
    padding: 18px;
  }

  .tool-title {
    font-size: 1.15rem;
  }

  .tool-desc {
    font-size: 13px;
  }

  .tools-home-section {
    margin-bottom: 36px;
  }

  .tools-home-list {
    gap: 12px;
  }

  .tools-home-item {
    grid-template-columns: 1fr;
    gap: 12px;
    padding: 16px;
  }

  .tools-home-item .tool-title {
    font-size: 1.05rem;
  }

  .view-more-btn {
    width: 100%;
    justify-content: center;
  }
}

/* ============================================
   Search Page Styles
   ============================================ */

/* Search Header */
.search-header {
  padding: 48px 0 32px;
  text-align: center;
}

.search-title {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 24px;
  color: var(--text-primary);
}

.search-box-wrapper {
  max-width: 680px;
  margin: 0 auto 20px;
}

.search-form-large {
  display: flex;
  gap: 12px;
}

.search-input-large {
  flex: 1;
  padding: 14px 20px;
  font-size: 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-secondary);
  color: var(--text-primary);
  transition: border-color 0.2s ease;
}

.search-input-large:focus {
  outline: none;
  border-color: var(--accent);
}

.search-btn-large {
  padding: 14px 28px;
  font-size: 16px;
  font-weight: 600;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background 0.2s ease;
  display: flex;
  align-items: center;
  gap: 8px;
}

.search-btn-large:hover {
  background: var(--accent-hover);
}

.search-stats {
  font-size: 14px;
  color: var(--text-secondary);
}

.search-stats strong {
  color: var(--accent);
}

/* Search Results */
.search-results {
  margin-bottom: 48px;
}

.result-section {
  margin-bottom: 40px;
}

.section-heading {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 20px;
  color: var(--text-primary);
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}


/* Article List */
.results-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.result-item {
  padding: 20px 24px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all 0.2s ease;
}

.result-item:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow);
}

.item-title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
}

.item-title a {
  color: var(--text-primary);
  text-decoration: none;
  transition: color 0.2s ease;
}

.item-title a:hover {
  color: var(--accent);
}

.item-description {
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-secondary);
  margin-bottom: 12px;
}

.item-meta {
  display: flex;
  gap: 16px;
  font-size: 13px;
  color: var(--text-muted);
}

.meta-category a {
  color: var(--accent);
  text-decoration: none;
}

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

/* Pagination */
.pagination-wrapper {
  margin-top: 40px;
  display: flex;
  justify-content: center;
}

.pagination-wrapper ul {
  display: flex;
  gap: 8px;
  list-style: none;
  padding: 0;
  margin: 0;
}

.pagination-wrapper li {
  display: inline-block;
}

.pagination-wrapper a,
.pagination-wrapper span {
  display: inline-block;
  padding: 10px 16px;
  font-size: 14px;
  color: var(--text-secondary);
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  text-decoration: none;
  transition: all 0.2s ease;
}

.pagination-wrapper a:hover {
  border-color: var(--accent);
  color: var(--accent);
}

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

.pagination-wrapper .disabled span {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Responsive Design */
@media (max-width: 768px) {
  .search-title {
    font-size: 24px;
  }
  
  .search-form-large {
    flex-direction: column;
  }
  
  .search-btn-large {
    width: 100%;
    justify-content: center;
  }
  
  .result-item {
    padding: 16px;
  }
  
  .item-title {
    font-size: 16px;
  }
}