:root {
  --kalax-ink: #18232f;
  --kalax-muted: #5e6a75;
  --kalax-paper: #fbfaf7;
  --kalax-line: rgba(24, 35, 47, 0.12);
  --kalax-green: #2b7a78;
  --kalax-coral: #d96c4f;
  --kalax-gold: #c99a35;
  --kalax-blue: #2f4f73;
  --module-accent: var(--kalax-green);
}

body {
  background:
    linear-gradient(180deg, rgba(251, 250, 247, 0.96), rgba(246, 248, 248, 0.98)),
    var(--kalax-paper);
  color: var(--kalax-ink);
  letter-spacing: 0;
}

#page-header.full_page {
  min-height: 58vh;
}

#page-header::before {
  background: linear-gradient(180deg, rgba(11, 18, 28, 0.26), rgba(11, 18, 28, 0.58));
}

#site-info #site-title {
  font-size: clamp(2.3rem, 6vw, 4.8rem);
  font-weight: 800;
  letter-spacing: 0;
  text-shadow: 0 12px 36px rgba(0, 0, 0, 0.34);
}

#site-info #site-subtitle {
  margin-top: 0.75rem;
  font-size: clamp(1rem, 2vw, 1.3rem);
  line-height: 1.7;
  text-shadow: 0 8px 26px rgba(0, 0, 0, 0.34);
}

#nav {
  backdrop-filter: saturate(1.2) blur(14px);
}

#nav.show {
  background: rgba(251, 250, 247, 0.86);
  box-shadow: 0 1px 0 var(--kalax-line);
}

#nav a {
  letter-spacing: 0;
}

#toggle-menu .site-page {
  color: #fff;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.28);
}

#nav.show #toggle-menu .site-page {
  color: var(--kalax-ink);
  text-shadow: none;
}

#recent-posts > .recent-post-item,
#aside-content .card-widget,
.layout > div:first-child:not(.recent-posts) {
  border: 1px solid var(--kalax-line);
  border-radius: 8px;
  box-shadow: 0 18px 50px rgba(24, 35, 47, 0.08);
}

#recent-posts > .recent-post-item {
  overflow: hidden;
}

#recent-posts > .recent-post-item .post_cover img {
  filter: saturate(0.96) contrast(1.02);
}

#recent-posts > .recent-post-item .article-title,
.article-sort-title,
#post-info .post-title {
  letter-spacing: 0;
}

#recent-posts > .recent-post-item .article-meta-wrap,
#recent-posts > .recent-post-item .content {
  color: var(--kalax-muted);
}

a,
.article-sort-item-title:hover,
#aside-content .card-info .card-info-social-icons i:hover {
  color: var(--kalax-blue);
}

.tag-cloud-list a:hover,
#pagination .page-number.current,
#pagination .extend:hover,
#pagination .page-number:hover,
.button--animated:before {
  background: var(--kalax-blue);
}

#aside-content .card-info #card-info-btn {
  background: #24292e;
  border-radius: 6px;
}

#aside-content .card-info .card-info-social-icons {
  display: flex;
  justify-content: center;
  gap: 1.1rem;
}

#aside-content .card-info .card-info-social-icons a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border: 1px solid var(--kalax-line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.64);
}

#kalax-word-translate {
  position: fixed;
  z-index: 2147483647;
  width: min(24rem, calc(100vw - 24px));
  max-height: min(22rem, calc(100vh - 24px));
  overflow-y: auto;
  padding: 0.85rem 0.9rem 0.75rem;
  border: 1px solid rgba(47, 79, 115, 0.18);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.97);
  box-shadow: 0 18px 45px rgba(24, 35, 47, 0.18);
  color: var(--kalax-ink);
  font-size: 0.95rem;
  line-height: 1.55;
  backdrop-filter: blur(10px);
}

#kalax-word-translate[hidden] {
  display: none;
}

.kalax-word-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.35rem;
}

.kalax-word-term {
  color: var(--kalax-blue);
  font-family: Georgia, 'Times New Roman', serif;
  font-size: 1.05rem;
  font-weight: 700;
}

.kalax-word-source {
  max-height: 5.8rem;
  margin: -0.1rem 0 0.45rem;
  overflow-y: auto;
  color: var(--kalax-muted);
  font-size: 0.82rem;
  line-height: 1.55;
}

.kalax-word-close {
  display: inline-grid;
  width: 1.55rem;
  height: 1.55rem;
  place-items: center;
  border: 0;
  border-radius: 999px;
  background: rgba(47, 79, 115, 0.08);
  color: var(--kalax-muted);
  cursor: pointer;
}

.kalax-word-body {
  color: var(--kalax-ink);
  white-space: pre-wrap;
  word-break: break-word;
}

.kalax-word-body.is-loading {
  color: var(--kalax-muted);
}

.kalax-word-meta {
  margin-top: 0.35rem;
  color: var(--kalax-muted);
  font-size: 0.74rem;
}

.kalax-word-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.75rem;
  margin-top: 0.55rem;
  font-size: 0.82rem;
}

.kalax-word-actions a,
.kalax-word-actions button {
  border: 0;
  background: transparent;
  color: var(--kalax-blue);
  cursor: pointer;
  font: inherit;
  padding: 0;
}

#aside-content .card-widget.card-announcement .item-headline i,
#aside-content .card-widget.card-categories .item-headline i,
#aside-content .card-widget.card-tags .item-headline i,
#aside-content .card-widget.card-archives .item-headline i {
  color: var(--kalax-coral);
}

.home-lab,
.note-map,
.reading-index,
.module-page {
  display: grid;
  gap: 1rem;
}

.home-lab h2,
.note-map h2,
.reading-index h2,
.module-page h2 {
  margin-top: 1.8rem;
  padding-bottom: 0.35rem;
  border-bottom: 1px solid var(--kalax-line);
  font-family: Georgia, 'Times New Roman', serif;
  font-weight: 700;
}

.note-map ul,
.reading-index ul {
  margin-top: 0.5rem;
}

.reading-callout {
  padding: 1rem 1.1rem;
  border: 1px solid rgba(43, 122, 120, 0.24);
  border-left: 4px solid var(--kalax-green);
  border-radius: 8px;
  background: rgba(43, 122, 120, 0.06);
}

.hub-kicker {
  margin: 0;
  color: var(--kalax-blue);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.hub-intro {
  max-width: 58rem;
  color: var(--kalax-muted);
  line-height: 1.9;
}

.module-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
  gap: 1rem;
  margin: 0.8rem 0 1.4rem;
}

.module-card {
  position: relative;
  display: grid;
  align-content: start;
  min-height: 11.4rem;
  padding: 1.05rem 1.1rem;
  border: 1px solid var(--kalax-line);
  border-left: 4px solid var(--module-accent);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.82);
  color: var(--kalax-ink);
  box-shadow: 0 10px 30px rgba(24, 35, 47, 0.05);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.module-card:hover {
  color: var(--kalax-ink);
  transform: translateY(-2px);
  box-shadow: 0 18px 44px rgba(24, 35, 47, 0.11);
}

.module-icon {
  display: inline-grid;
  width: 2.2rem;
  height: 2.2rem;
  place-items: center;
  border-radius: 8px;
  background: rgba(47, 79, 115, 0.08);
  background: color-mix(in srgb, var(--module-accent) 13%, transparent);
  color: var(--module-accent);
  font-size: 1.05rem;
}

.module-count {
  position: absolute;
  top: 1rem;
  right: 1rem;
  color: var(--kalax-muted);
  font-size: 0.78rem;
}

.module-card strong {
  margin-top: 1.25rem;
  color: var(--kalax-ink);
  font-size: 1.24rem;
}

.module-card span:not(.module-icon):not(.module-count) {
  color: var(--kalax-muted);
}

.module-card p {
  margin: 0.8rem 0 0;
  color: var(--kalax-muted);
  line-height: 1.72;
}

.home-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.text-link {
  display: inline-flex;
  align-items: center;
  min-height: 2.4rem;
  padding: 0 0.9rem;
  border: 1px solid var(--kalax-line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.72);
  color: var(--kalax-blue);
}

.note-list {
  display: grid;
  gap: 0.85rem;
}

.note-row {
  display: grid;
  gap: 0.35rem;
  padding: 1rem 1.1rem;
  border: 1px solid var(--kalax-line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.72);
  color: var(--kalax-ink);
}

.note-row span,
.empty-note {
  color: var(--kalax-muted);
  line-height: 1.75;
}

.math-display {
  overflow-x: auto;
  margin: 1.2rem 0;
  padding: 0.4rem 0;
}

.word-bank table,
.sentence-lab table {
  display: table;
  width: 100%;
}

[data-theme='dark'] body {
  background:
    linear-gradient(180deg, rgba(16, 22, 30, 0.98), rgba(22, 29, 38, 0.98)),
    #10161e;
}

[data-theme='dark'] #nav.show,
[data-theme='dark'] #recent-posts > .recent-post-item,
[data-theme='dark'] #aside-content .card-widget,
[data-theme='dark'] .layout > div:first-child:not(.recent-posts),
[data-theme='dark'] .module-card,
[data-theme='dark'] .note-row,
[data-theme='dark'] .text-link {
  border-color: rgba(255, 255, 255, 0.09);
  background: rgba(20, 27, 36, 0.72);
}

[data-theme='dark'] #aside-content .card-info .card-info-social-icons a {
  background: rgba(20, 27, 36, 0.72);
}

[data-theme='dark'] #kalax-word-translate {
  border-color: rgba(255, 255, 255, 0.12);
  background: rgba(20, 27, 36, 0.96);
  box-shadow: 0 18px 45px rgba(0, 0, 0, 0.36);
}

[data-theme='dark'] .kalax-word-close {
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.72);
}

@media (max-width: 768px) {
  #page-header.full_page {
    min-height: 52vh;
  }

  #site-info {
    padding: 0 1.1rem;
  }

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

  .module-card {
    min-height: 11rem;
  }

  #toggle-menu .site-page {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.25rem;
    height: 2.25rem;
    border-radius: 8px;
    background: rgba(24, 35, 47, 0.24);
  }

  #nav.show #toggle-menu .site-page {
    background: rgba(24, 35, 47, 0.06);
  }

  #nav #menus .menus_items {
    display: none !important;
  }

  #nav #toggle-menu {
    display: inline-block !important;
  }

  #nav #search-button {
    display: none;
  }

  #recent-posts > .recent-post-item,
  #aside-content .card-widget {
    border-radius: 8px;
  }
}