.infobox {
  background: #ffffff;
  border: 1px solid #e6edf6;
  padding: 1rem;
  font-size: 0.95rem;
  border-radius: 10px;
  box-shadow: 0 10px 30px rgba(26,32,44,0.04);
}
.infobox h2 {
  font-family: inherit;
  font-size: 1rem;
  margin-bottom: 0.7rem;
}
.infobox img {
  display: block;
  max-width: 220px;
  width: 100%;
  height: auto;
  margin: 0 auto 0.9rem auto;
  border-radius: 8px;
  border: 1px solid #e6edf6;
  background: #ffffff;
  padding: 8px;
  box-shadow: 0 10px 22px rgba(26,32,44,0.06);
}
html,
body {
  margin: 0;
  padding: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: "Segoe UI", "Helvetica Neue", Helvetica, Arial, sans-serif;
  line-height: 1.55;
}

a {
  color: inherit;
}

img,
svg {
  display: block;
  max-width: 100%;
}

github,
x,
bluesky,
[data-logo="github"],
[data-logo="x"],
[data-logo="bluesky"] {
  display: inline-flex;
  align-items: center;
  gap: 0.28em;
  vertical-align: -0.125em;
  line-height: 1;
  font: inherit;
  color: inherit;
  text-decoration: inherit;
}

github::before,
x::before,
bluesky::before,
[data-logo="github"]::before,
[data-logo="x"]::before,
[data-logo="bluesky"]::before {
  content: "";
  width: 0.82em;
  height: 0.82em;
  flex: 0 0 auto;
  background-color: currentColor;
  -webkit-mask: var(--logo-mask) center / contain no-repeat;
  mask: var(--logo-mask) center / contain no-repeat;
}

github,
[data-logo="github"] {
  --logo-mask: url("/assets/icons/github.svg");
}

x,
[data-logo="x"] {
  --logo-mask: url("/assets/icons/x.svg");
}

bluesky,
[data-logo="bluesky"] {
  --logo-mask: url("/assets/icons/bluesky.svg");
}

.site-footer {
  border-top: 1px solid var(--color-border);
  margin-top: 1rem;
  padding: 0.8rem 0;
}

.footer-inner {
  width: 100%;
  max-width: none;
  margin: 0 auto;
  padding: 0 clamp(12px, 2vw, 28px);
}

.footer-inner p {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.86rem;
}

.social {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-left: 0.32rem;
  vertical-align: baseline;
  text-decoration: none;
  color: inherit;
  line-height: 1;
}

.social svg {
  display: inline-block;
  width: 0.82em;
  height: 0.82em;
  max-width: none;
}

.eyebrow {
  margin: 0;
  color: var(--color-accent-strong);
  letter-spacing: 0.14em;
  font-size: 0.75rem;
  font-weight: 700;
}

.lead {
  margin: 0.75rem 0 0;
  color: var(--color-muted);
  max-width: 62ch;
}

.small-note {
  margin-top: 1.5rem;
  color: var(--color-muted);
  font-size: 0.88rem;
}

.btn {
  appearance: none;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 0.66rem 1.1rem;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 22px rgba(26, 32, 44, 0.12);
}

.btn-primary {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #ffffff;
}

.btn-primary:hover {
  background: var(--color-accent-strong);
  border-color: var(--color-accent-strong);
}

.btn-secondary {
  background: #ffffff;
  color: var(--color-text);
}

.topbar {
  border-bottom: 1px solid var(--color-border);
  background:
    linear-gradient(120deg, rgba(0, 140, 238, 0.08), rgba(0, 140, 238, 0)),
    linear-gradient(180deg, #ffffff, #f7f9fc);
}

.topbar-inner {
  width: 100%;
  max-width: none;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem clamp(12px, 2vw, 28px);
}

.brand-block {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.site-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--color-text);
  text-decoration: none;
  width: fit-content;
}

.site-logo-mark {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  border: 1px solid #9fb7d6;
  background:
    radial-gradient(circle at center, #f7fbff 0 33%, transparent 34%),
    radial-gradient(circle at center, transparent 0 51%, #3366cc 52% 54%, transparent 55%),
    linear-gradient(90deg, transparent 0 22%, #3366cc 22% 24%, transparent 24% 76%, #3366cc 76% 78%, transparent 78%),
    linear-gradient(0deg, transparent 0 22%, #3366cc 22% 24%, transparent 24% 76%, #3366cc 76% 78%, transparent 78%),
    radial-gradient(circle at center, #ffffff 0 100%);
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.75) inset;
}

.site-logo-img {
  width: 2.5rem;
  height: 2.5rem;
  display: inline-block;
  object-fit: contain;
}

.site-logo-text {
  font-size: 1.02rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.brand-title {
  margin: 0;
  font-size: 1.2rem;
  font-weight: 700;
}

.brand-subtitle {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.9rem;
}

.content-shell {
  width: 100%;
  max-width: none;
  padding: 0 clamp(12px, 2vw, 28px);
  margin: 1.5rem auto 2.5rem;
}

.search-filter-panel {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1rem;
  box-shadow: var(--shadow-soft);
  display: grid;
  gap: 0.9rem;
}

.search-status {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.92rem;
}

.search-input {
  width: 100%;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  padding: 0.72rem 0.8rem;
  font: inherit;
  color: var(--color-text);
  background: #ffffff;
}

.search-input:focus,
.filter-select:focus {
  outline: 3px solid rgba(0, 140, 238, 0.18);
  border-color: var(--color-accent);
}

.filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.filter-select,
.filter-button {
  border: 1px solid var(--color-border);
  background: #ffffff;
  border-radius: 999px;
  padding: 0.52rem 0.88rem;
  font: inherit;
  color: var(--color-text);
  cursor: pointer;
}

.filter-button.is-active {
  border-color: var(--color-accent);
  color: var(--color-accent-strong);
  background: rgba(0, 140, 238, 0.08);
}

.registry-grid {
  margin-top: 1.25rem;
  display: grid;
  gap: 0.4rem;
}

.symbol-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 0.72rem 0.92rem;
  display: grid;
  grid-template-columns: 6rem 2.7rem minmax(12rem, 16rem) 1fr;
  align-items: center;
  column-gap: 0.9rem;
  text-decoration: none;
  color: inherit;
  transition: transform 0.14s ease, box-shadow 0.14s ease, border-color 0.14s ease;
}

.row-link {
  color: var(--color-accent-strong);
  font-weight: 700;
  text-decoration: none;
  font-size: 0.95rem;
}

.row-icon {
  width: 3.2rem;
  height: 3.2rem;
  justify-self: center;
  border: 1px solid rgba(160,168,176,0.9);
  border-radius: 10px;
  background: var(--symbol-icon) center/contain no-repeat, #ffffff;
  background-size: 70% !important;
  box-shadow: 0 8px 24px rgba(26,32,44,0.06);
}

.symbol-card h2,
.symbol-card h3 {
  margin: 0;
  font-size: 1.05rem;
}

.card-meta {
  display: none;
}

.badge {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 0.2rem 0.62rem;
  font-size: 0.73rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  border: 1px solid currentColor;
}

.badge-protected {
  color: var(--color-success);
  background: rgba(31, 122, 77, 0.08);
}

.badge-public {
  color: #7a5a1f;
  background: rgba(122, 90, 31, 0.1);
}

.badge-category {
  color: var(--color-accent-strong);
  background: rgba(0, 140, 238, 0.08);
}

.card-text {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.95rem;
  order: 4;
}

.card-link {
  order: 1;
  color: var(--color-accent-strong);
  font-weight: 700;
  text-decoration: none;
}

.card-link:hover {
  text-decoration: underline;
}

.symbol-card:hover {
  border-color: rgba(0, 140, 238, 0.34);
  background: rgba(0, 140, 238, 0.03);
}

.symbol-card:focus-visible,
.btn:focus-visible,
.search-input:focus-visible,
.filter-button:focus-visible,
.site-logo:focus-visible {
  outline: 3px solid rgba(0, 140, 238, 0.24);
  outline-offset: 2px;
}

.language-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 2rem 1rem;
  background:
    radial-gradient(circle at 15% 20%, rgba(0, 140, 238, 0.11), rgba(0, 140, 238, 0) 45%),
    radial-gradient(circle at 85% 10%, rgba(0, 140, 238, 0.09), rgba(0, 140, 238, 0) 35%),
    var(--color-bg);
}

.language-card {
  width: min(760px, 100%);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-soft);
}

.gateway-logo {
  margin-bottom: 0.35rem;
}

.language-card h1 {
  margin: 0.4rem 0 0;
  font-size: clamp(1.6rem, 2.5vw, 2.2rem);
}

.globe-wrap {
  margin: 1.6rem 0 1.3rem;
  display: grid;
  place-items: center;
}

.globe-core {
  width: 145px;
  height: 145px;
  border-radius: 50%;
  position: relative;
  background: radial-gradient(circle at 35% 30%, rgba(255, 255, 255, 0.95), rgba(0, 140, 238, 0.72));
  border: 1px solid rgba(0, 140, 238, 0.45);
  overflow: hidden;
  animation: globePulse 3.1s ease-in-out infinite;
}

.globe-core::before,
.globe-core::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.55);
}

.globe-core::after {
  transform: scale(0.72);
}

.globe-lat,
.globe-lon {
  position: absolute;
  left: 50%;
  top: 50%;
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.globe-lat {
  width: 124px;
  height: 60px;
}

.globe-lon {
  width: 48px;
  height: 124px;
}

.globe-lon-b {
  width: 78px;
  opacity: 0.82;
}

.globe-lon-c {
  width: 104px;
  height: 84px;
  opacity: 0.36;
}

@keyframes globePulse {
  0%,
  100% {
    transform: translateY(0) scale(1);
  }
  50% {
    transform: translateY(-2px) scale(1.015);
  }
}

.symbol-card:hover .row-link {
  text-decoration: underline;
}

.language-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

/* Detail pages: Wikipedia-like layout */
.wiki-layout {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 13.5rem minmax(0, 1fr);
  background: var(--color-bg);
}

.wiki-sidebar {
  background: #f8f9fa;
  border-right: 1px solid var(--color-border);
  padding: 1rem 0.85rem;
}

.sidebar-block {
  padding: 0 0.35rem 0.9rem;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 0.85rem;
}

.sidebar-title {
  margin: 0;
  font-size: 1rem;
  line-height: 1.2;
}

.sidebar-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.4rem;
}

.sidebar-list a {
  display: block;
  color: #3366cc;
  text-decoration: none;
  padding: 0.2rem 0.35rem;
  border-radius: 4px;
}

.sidebar-list a:hover {
  text-decoration: underline;
  background: rgba(0, 0, 0, 0.03);
}

.wiki-main {
  min-width: 0;
}

.wiki-article {
  width: min(1180px, calc(100vw - 13.5rem - 2rem));
  margin: 0 auto;
  padding: 1.3rem 1.35rem 2.25rem;
  background: var(--color-surface);
}

.back-link {
  margin-bottom: 0.65rem;
  font-size: 0.95rem;
}

.back-link a {
  color: #3366cc;
}

.wiki-article h1 {
  margin: 0.2rem 0 0.8rem;
  font-family: Georgia, "Times New Roman", Times, serif;
  font-size: clamp(2rem, 3vw, 2.55rem);
  font-weight: 400;
}

.wiki-article h2 {
  font-family: Georgia, "Times New Roman", Times, serif;
  font-weight: 400;
  font-size: 1.45rem;
  margin: 0;
}

.wiki-article hr {
  border: 0;
  border-top: 1px solid #a2a9b1;
  margin: 0.5rem 0 1rem;
}

.toc-box {
  width: min(28rem, 100%);
  background: #f8f9fa;
  border: 1px solid #a2a9b1;
  padding: 0.85rem 1rem;
  margin: 0 0 1.2rem;
}

.toc-box h2 {
  font-family: inherit;
  font-size: 1rem;
  margin-bottom: 0.6rem;
}

.toc-box ol {
  margin: 0;
  padding-left: 1.3rem;
}

.toc-box a,
.reference-box a,
.wiki-article a {
  color: #3366cc;
}

.detail-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 18rem;
  gap: 1.2rem;
  align-items: start;
}

.article-content {
  min-width: 0;
}

.article-content p {
  margin: 0 0 1rem;
  max-width: 76ch;
}

.infobox {
  background: #f8f9fa;
  border: 1px solid #a2a9b1;
  padding: 0.8rem;
  font-size: 0.95rem;
}

.infobox h2 {
  font-family: inherit;
  font-size: 1rem;
  margin-bottom: 0.7rem;
}

.infobox img {
  width: 100%;
  height: auto;
  border: 1px solid #c8ccd1;
  background: #fff;
  margin-bottom: 0.7rem;
}

.infobox table {
  width: 100%;
  border-collapse: collapse;
}

.infobox th,
.infobox td {
  text-align: left;
  vertical-align: top;
  padding: 0.28rem 0;
  border-top: 1px solid #eaecf0;
}

.infobox th {
  width: 42%;
  padding-right: 0.45rem;
  font-weight: 700;
}

.reference-box {
  background: #f8f9fa;
  border: 1px solid #eaecf0;
  padding: 0.8rem 0.9rem;
  font-size: 0.95rem;
}

.symbol-figure {
  width: min(320px, 100%);
  margin: 0.8rem 0 0;
}

.symbol-figure img {
  width: 100%;
  height: auto;
  object-fit: contain;
  border-radius: 8px;
  border: 1px solid #e6edf6;
  background: #fff;
  box-shadow: 0 10px 22px rgba(26,32,44,0.06);
}

.section-title {
  margin: 0 0 0.5rem;
  font-size: 1.1rem;
}

.text-block {
  margin: 0;
  color: var(--color-text);
}

.citation-box {
  border: 1px dashed var(--color-border);
  border-radius: 10px;
  background: #fcfdff;
  padding: 0.9rem;
  color: var(--color-muted);
  font-size: 0.95rem;
}

.back-row {
  display: flex;
  justify-content: flex-start;
}

/* Detail page shell and cards */
.detail-shell {
  width: min(1180px, 92vw);
  margin: 1.5rem auto 2.5rem;
  display: grid;
  gap: 1rem;
}

.detail-shell > article.detail-card {
  display: flex;
  gap: 1.2rem;
  align-items: flex-start;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: 1rem;
  border-radius: 10px;
}

.detail-head {
  flex: 1 1 auto;
}

.detail-head .eyebrow {
  margin-bottom: 0.25rem;
}

.detail-shell .symbol-figure {
  width: 220px;
  margin: 0;
}

.detail-shell .symbol-figure img {
  max-width: 220px;
  width: 100%;
  height: auto;
}

.detail-shell > section.detail-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: 1rem;
  border-radius: 10px;
}

.protected-signs-page {
  background:
    radial-gradient(circle at 95% -10%, rgba(0, 140, 238, 0.08), rgba(0, 140, 238, 0) 42%),
    var(--color-surface);
}

.signs-section + .signs-section {
  margin-top: 1.1rem;
}

.signs-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.85rem;
}

.sign-card {
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 0.85rem;
  background: #ffffff;
  box-shadow: 0 10px 24px rgba(26, 32, 44, 0.06);
}

.sign-card h3 {
  margin: 0 0 0.45rem;
  font-size: 1.03rem;
}

.sign-card p {
  margin: 0;
  color: var(--color-muted);
}

.sign-card p + p {
  margin-top: 0.55rem;
}

@media (max-width: 760px) {
  .topbar-inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .language-card {
    padding: 1.25rem;
  }

  .filter-row {
    flex-direction: column;
    align-items: flex-start;
  }

  .wiki-layout {
    grid-template-columns: 1fr;
  }

  .wiki-sidebar {
    border-right: 0;
    border-bottom: 1px solid var(--color-border);
  }

  .wiki-article {
    width: 100%;
    padding: 1rem;
  }

  .detail-layout {
    grid-template-columns: 1fr;
  }

  .toc-box,
  .infobox {
    width: 100%;
  }

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