:root {
  box-sizing: border-box;
  padding-top: env(safe-area-inset-top, 0px);
  padding-bottom: env(safe-area-inset-bottom, 0px);
  --bg: #fff;
  --fg: #000;
  --mut: #6c757d;
  --acc: #b509ac;
  --line: #e5e5e5;
  --card: #f8f9fa;
}
html {
  scroll-padding-top: env(safe-area-inset-top, 0px);
}
:root[data-theme="dark"] {
  --bg: #1c1c1d;
  --fg: #e8e8e8;
  --mut: #a0a4a8;
  --acc: #2698ba;
  --line: #333;
  --card: #26272a;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font:
    16px/1.65 Roboto,
    -apple-system,
    "Segoe UI",
    Helvetica,
    Arial,
    sans-serif;
  overflow-x: hidden;
}
a {
  color: var(--acc);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}
nav {
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  background: var(--bg);
  z-index: 5;
}
.w {
  max-width: 930px;
  margin: 0 auto;
  padding: 0 20px;
}
nav .w {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 4px 12px;
  min-height: 64px;
}
.brand {
  font-size: 1.15rem;
  color: var(--fg);
  margin-right: auto;
}
.brand b {
  font-weight: 600;
}
#nl {
  display: flex;
  gap: 4px 22px;
  align-items: center;
}
nav a.l {
  color: var(--mut);
  font-size: 0.95rem;
  padding: 4px 0;
  border-bottom: 2px solid transparent;
}
nav a.l:hover,
nav a.on {
  color: var(--acc);
  text-decoration: none;
}
nav a.on {
  border-color: var(--acc);
}
#tg,
#mb {
  background: none;
  border: 0;
  color: var(--mut);
  font-size: 1.3rem;
  cursor: pointer;
  padding: 6px 8px;
}
#mb {
  display: none;
}
@media (max-width: 700px) {
  #mb {
    display: block;
  }
  #nl {
    display: none;
    order: 5;
    flex-basis: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding-bottom: 10px;
  }
  nav.open #nl {
    display: flex;
  }
  nav a.l {
    padding: 10px 0;
    border-bottom: 1px solid var(--line);
  }
}
main {
  padding: 36px 0 50px;
  min-height: 70vh;
}
h1.t {
  font-size: 2.3rem;
  font-weight: 300;
  margin: 0 0 4px;
}
h1.t b {
  font-weight: 600;
}
@media (max-width: 600px) {
  h1.t {
    font-size: 1.8rem;
  }
}
.sub {
  color: var(--mut);
  margin-bottom: 26px;
}
h2 {
  font-size: 1.5rem;
  font-weight: 400;
  margin: 34px 0 12px;
  padding-bottom: 4px;
  border-bottom: 1px solid var(--line);
}
.about {
  display: flex;
  gap: 32px;
  flex-direction: row-reverse;
  align-items: flex-start;
  background: linear-gradient(135deg, var(--card), transparent);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 24px;
}
.prof {
  flex: 0 0 240px;
  text-align: center;
}
.prof img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 6px;
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.25);
}
.soc {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px 14px;
  margin-top: 16px;
  font-size: 0.9rem;
}
@media (max-width: 700px) {
  .about {
    flex-direction: column;
    align-items: center;
    padding: 16px;
  }
  .prof {
    flex-basis: auto;
    width: 200px;
  }
}
.row {
  display: flex;
  gap: 16px;
  padding: 8px 0;
}
.row .d {
  flex: 0 0 120px;
  color: var(--mut);
  font-size: 0.9rem;
  padding-top: 2px;
}
.row .x {
  flex: 1;
  min-width: 0;
}
@media (max-width: 600px) {
  .row {
    flex-direction: column;
    gap: 0;
  }
}
.pub {
  display: flex;
  align-items: flex-start;
  gap: 22px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}
.pub-content {
  min-width: 0;
  flex: 1;
}
.pub-brand {
  flex: 0 0 150px;
  display: flex;
  min-height: 56px;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  gap: 8px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--card);
}
.pub-logo {
  display: block;
  width: 100%;
  max-width: 126px;
  height: 38px;
  object-fit: contain;
  object-position: left center;
}
.pub-logo-fallback {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 8px;
  color: var(--acc);
  background: var(--bg);
}
.pub-logo-fallback svg {
  width: 22px;
  height: 22px;
}
.pub-brand-name {
  color: var(--mut);
  font-size: 0.72rem;
  line-height: 1.3;
}
.pub-title {
  display: inline-block;
  color: var(--fg);
  font-size: 1.1rem;
  font-weight: 650;
  line-height: 1.4;
}
.pub-authors,
.pub-meta {
  margin-top: 7px;
  color: var(--mut);
  font-size: 0.9rem;
}
.pub-authors u,
.pub-detail-authors u {
  color: var(--fg);
}
.pub-meta {
  margin-bottom: 8px;
}
@media (max-width: 600px) {
  .pub {
    gap: 14px;
  }
  .pub-brand {
    flex-basis: 112px;
    padding: 8px;
  }
  .pub-logo {
    max-width: 94px;
    height: 32px;
  }
}
@media (max-width: 440px) {
  .pub {
    flex-direction: column;
    gap: 10px;
  }
  .pub-brand {
    flex: none;
    min-height: 0;
    flex-direction: row;
    align-items: center;
    justify-content: flex-start;
  }
}
.bt {
  display: inline-block;
  margin: 6px 6px 0 0;
  border: 1px solid var(--acc);
  padding: 0 8px;
  border-radius: 4px;
  font-size: 0.78rem;
  text-transform: uppercase;
}
.bt:hover {
  background: var(--acc);
  color: #fff;
  text-decoration: none;
}
.tag {
  display: inline-block;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 1px 12px;
  margin: 3px 4px 3px 0;
  font-size: 0.9rem;
}
footer {
  border-top: 1px solid var(--line);
  color: var(--mut);
  font-size: 0.85rem;
  padding: 18px 0 28px;
}
.ad input,
.ad textarea,
.ad select {
  width: 100%;
  background: var(--bg);
  color: var(--fg);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 6px 8px;
  font: inherit;
  font-size: 0.9rem;
}
.ad label {
  font-size: 0.75rem;
  color: var(--mut);
  display: block;
  margin-top: 6px;
}
.it,
.fg {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 0 12px;
}
.it {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 8px 12px 12px;
  margin: 10px 0;
}
.it.pd {
  display: block;
}
.it .full {
  grid-column: 1/-1;
}
.b {
  background: var(--acc);
  color: #fff;
  border: 0;
  border-radius: 4px;
  padding: 6px 14px;
  cursor: pointer;
  font: inherit;
  font-size: 0.85rem;
  margin: 4px 6px 4px 0;
}
.b.g {
  background: none;
  color: var(--acc);
  border: 1px solid var(--acc);
}
.b.r {
  background: none;
  color: #c33;
  border: 1px solid #c33;
}
.bar {
  position: sticky;
  top: 64px;
  background: var(--bg);
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
  z-index: 4;
}
.sb {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 2px 12px;
  color: var(--fg);
  font-size: 0.85rem;
}
.sb:hover {
  border-color: var(--acc);
  color: var(--acc);
  text-decoration: none;
}
.lg {
  flex: 0 0 46px;
  width: 46px;
  height: 46px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: 0.78rem;
  object-fit: contain;
}
img.lg {
  background: #fff;
  border: 1px solid var(--line);
  padding: 3px;
}
.aff {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.af {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 8px 14px 8px 8px;
}
h2 svg {
  color: var(--acc);
  vertical-align: -3px;
}
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 14px 18px;
  margin: 12px 0;
  transition: transform 0.15s;
}
.card:hover {
  transform: translateY(-2px);
}
.post {
  overflow-wrap: anywhere;
}
.post pre {
  background: var(--card);
  padding: 12px;
  border-radius: 6px;
  overflow-x: auto;
}
.post code {
  background: var(--card);
  padding: 1px 5px;
  border-radius: 4px;
}
.post blockquote {
  border-left: 3px solid var(--acc);
  margin: 0;
  padding-left: 14px;
  color: var(--mut);
}
mjx-container[display="true"] {
  overflow-x: auto;
  overflow-y: hidden;
  max-width: 100%;
}
/* editor | PDF side-by-side; stacked on small screens */
.ed {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 16px;
  align-items: start;
}
@media (max-width: 900px) {
  .ed {
    grid-template-columns: 1fr;
  }
}
.pv {
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px 14px;
  min-height: 120px;
  overflow: auto;
  margin-top: 8px;
}
.pdfc {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
}
.pdfc input[type="text"] {
  flex: 1 1 180px;
  width: auto;
}
.pdfc input[type="file"] {
  flex: 1 1 140px;
  width: auto;
}
.pdfv {
  margin-top: 8px;
  border: 1px solid var(--line);
  border-radius: 6px;
  height: 70vh;
  min-height: 360px;
  background: var(--card);
}
@media (max-width: 900px) {
  .pdfv {
    height: 60vh;
  }
}
.pdfv iframe {
  width: 100%;
  height: 100%;
  border: 0;
  border-radius: 6px;
}
.pdfv .empty {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 20px;
  color: var(--mut);
  font-size: 0.9rem;
}

.af {
  min-width: 0;
  max-width: 100%;
}
.af span {
  min-width: 0;
  overflow-wrap: anywhere;
}
@media (max-width: 600px) {
  .row {
    display: grid;
    grid-template-columns: 46px minmax(0, 1fr);
    gap: 2px 12px;
  }
  .row .d {
    grid-column: 1/-1;
    flex: none;
    padding-top: 0;
  }
  .row .d + .x {
    grid-column: 1/-1;
  }
  .row .lg {
    grid-column: 1;
    grid-row: 2;
  }
  .row .lg + .x {
    grid-column: 2;
    grid-row: 2;
  }
}
.feature-card,
.card-panel,
.chart-panel,
.demo-panel,
.reading-panel,
.github-panel,
.currently-panel,
.experiment-panel {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 16px 18px;
  margin: 20px 0;
}
.feature-card {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}
.feature-card .feature-copy {
  min-width: 0;
}
.feature-card .feature-copy strong {
  display: block;
  font-size: 1.05rem;
  margin-bottom: 4px;
}
.feature-card .feature-copy span {
  color: var(--mut);
  font-size: 0.9rem;
}
.feature-card .feature-link {
  border: 1px solid var(--acc);
  border-radius: 999px;
  padding: 8px 14px;
  color: var(--acc);
  background: transparent;
  white-space: nowrap;
}
.feature-card .feature-link.disabled {
  opacity: 0.6;
  cursor: not-allowed;
}
.currently-grid,
.reading-grid,
.demo-grid,
.experiment-grid,
.pub-actions,
.related-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.reading-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
}
.currently-item,
.reading-item,
.demo-item,
.experiment-item,
.related-item {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px 14px;
}
.book-item {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  align-items: start;
  gap: 14px;
}
.book-cover-wrap {
  width: 92px;
  aspect-ratio: 2 / 3;
  overflow: hidden;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 6px;
}
.book-cover {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.book-cover-placeholder {
  display: grid;
  place-items: center;
  height: 100%;
  padding: 8px;
  color: var(--mut);
  font-size: 0.8rem;
  text-align: center;
}
.book-info {
  min-width: 0;
}
.book-info > strong {
  display: block;
  line-height: 1.35;
}
.book-author,
.book-note {
  margin-top: 5px;
  color: var(--mut);
  font-size: 0.88rem;
}
.book-rating {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 9px;
  color: var(--acc);
  font-size: 0.88rem;
  font-weight: 600;
}
.book-stars {
  display: inline-flex;
  gap: 1px;
  color: #e5a500;
  font-size: 1rem;
  line-height: 1;
}
.book-star-half {
  background: linear-gradient(90deg, #e5a500 50%, var(--mut) 50%);
  background-clip: text;
  color: transparent;
  -webkit-background-clip: text;
}
.book-star-empty {
  color: var(--line);
}
.reading-more-link {
  margin: 12px 0 0;
}
.reading-demo-note {
  margin: -6px 0 12px;
}
.reading-page-grid {
  margin-top: 18px;
}
.currently-item .label,
.reading-item .meta,
.demo-item .meta,
.experiment-item .meta {
  display: block;
  color: var(--mut);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 6px;
}
.github-panel {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px 18px;
  align-items: center;
}
.github-logo {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--card);
  border: 1px solid var(--line);
  color: var(--acc);
  font-weight: 700;
}
.github-logo .github-mark {
  width: 27px;
  height: 27px;
}
.github-mark {
  display: block;
  width: 16px;
  height: 16px;
  flex: none;
}
.github-panel a {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-top: 4px;
  text-decoration: none;
}
.github-panel a:hover {
  text-decoration: underline;
}
.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr));
  gap: 14px;
  margin: 12px 0 18px;
}
.project-card {
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: 16px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 8px;
}
.project-card h3 {
  margin: 0 0 8px;
  font-size: 1.05rem;
}
.project-card p {
  flex: 1;
  margin: 0 0 12px;
  color: var(--mut);
  line-height: 1.55;
}
.project-tech,
.project-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}
.project-tech .tag {
  margin: 0;
  font-size: 0.76rem;
}
.project-actions {
  margin-top: 14px;
}
.project-actions .action-btn {
  max-width: 100%;
  white-space: normal;
  text-align: center;
}
.demo-panel-heading,
.playground-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.demo-panel-heading h2,
.playground-heading .t {
  margin: 0;
}
.playground-heading {
  margin-bottom: 16px;
}
.playground-heading .sub {
  margin: 5px 0 0;
}
.demo-source {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: none;
  gap: 7px;
  padding: 6px 9px;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--acc);
  font-size: 0.82rem;
  text-decoration: none;
}
.demo-source:hover {
  border-color: var(--acc);
  text-decoration: none;
}
.demo-card-title {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}
.demo-card-title h3,
.demo-card-title strong {
  margin: 0;
}
.demo-logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  flex: none;
  color: var(--acc);
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 8px;
}
.demo-logo svg {
  vertical-align: 0;
}
.project-more {
  margin: 0 0 20px;
  text-align: right;
}
.chart-panel {
  margin-top: 18px;
}
.chart-canvas {
  width: 100%;
  max-width: 100%;
  height: 240px;
  display: block;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(180deg, transparent, var(--card));
}
.modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 20px;
}
.modal.hidden {
  display: none;
}
.modal-box {
  width: min(680px, 100%);
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 18px 20px;
  max-height: 80vh;
  overflow: auto;
}
.modal-box textarea {
  width: 100%;
  min-height: 160px;
  resize: vertical;
  background: var(--card);
  color: var(--fg);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  font: inherit;
}
.citation-box {
  width: min(760px, 100%);
}
.citation-box h3,
.citation-format h4 {
  margin: 0;
}
.citation-format {
  margin-top: 18px;
}
.citation-format textarea {
  display: block;
  min-height: 110px;
  margin: 8px 0;
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 0.84rem;
}
.cite-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.copy-status {
  color: var(--mut);
  font-size: 0.85rem;
}
.assistant-box {
  display: flex;
  flex-direction: column;
  width: min(680px, 100%);
  height: min(650px, 82vh);
}
.assistant-box h3 {
  margin: 0;
}
.assistant-intro {
  margin: 8px 0 12px;
  color: var(--mut);
  font-size: 0.88rem;
}
.assistant-messages {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 10px;
  min-height: 120px;
  overflow-y: auto;
  padding: 4px 2px 12px;
}
.assistant-message {
  max-width: 92%;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  line-height: 1.5;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}
.assistant-reply {
  align-self: flex-start;
  background: var(--card);
}
.assistant-question {
  align-self: flex-end;
  border-color: var(--acc);
  background: color-mix(in srgb, var(--acc) 9%, var(--bg));
}
.assistant-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}
.assistant-form input {
  min-width: 0;
  padding: 10px 12px;
  color: var(--fg);
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 6px;
  font: inherit;
}
.pub-actions a,
.pub-actions button,
.action-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border: 1px solid var(--acc);
  background: transparent;
  color: var(--acc);
  border-radius: 999px;
  padding: 6px 10px;
  font-size: 0.8rem;
  line-height: 1.4;
  cursor: pointer;
  text-decoration: none;
}
.pub-actions a:hover,
.pub-actions button:hover,
.action-btn:hover {
  background: var(--acc);
  color: #fff;
  text-decoration: none;
}
.pub-detail {
  max-width: 800px;
  padding-top: 6px;
}
.pub-detail-header {
  margin-top: 20px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: linear-gradient(135deg, var(--card), transparent);
}
.pub-detail-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 44px;
  margin-bottom: 18px;
  color: var(--mut);
  font-size: 0.9rem;
}
.pub-detail-brand .pub-logo {
  width: 150px;
  height: 44px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}
.pub-detail-header h1.t {
  max-width: 720px;
  margin: 0;
  font-size: clamp(1.8rem, 5vw, 2.5rem);
  line-height: 1.2;
}
.pub-detail-authors {
  margin: 16px 0 8px;
}
.pub-detail-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 10px;
  margin: 18px 0;
}
.pub-detail-meta span {
  padding: 9px 11px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--bg);
  overflow-wrap: anywhere;
  font-size: 0.88rem;
}
.pub-detail-meta b {
  display: block;
  margin-bottom: 2px;
  color: var(--mut);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.pub-detail .section {
  margin-top: 28px;
}
.pub-detail .section h2 {
  font-size: 1.15rem;
  margin-top: 0;
  margin-bottom: 8px;
}
.pub-detail .section p,
.pub-detail .section ul,
.pub-detail .section ol {
  margin: 0 0 12px;
}
.pub-detail .facts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 10px 0 16px;
}

.pub-detail .facts .tag {
  margin: 0;
}
.metrics-panel {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
  gap: 14px;
}
.metrics-dashboard {
  display: grid;
  gap: 14px;
}
.metrics-summary {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}
.metrics-summary-card {
  display: grid;
  gap: 4px;
  min-width: 0;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--card);
}
.metrics-summary-card strong {
  font-size: 1.5rem;
  line-height: 1.1;
}
.metrics-summary-card span {
  color: var(--mut);
  font-size: 0.8rem;
}
.metrics-group {
  min-width: 0;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--card);
}
.metrics-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 12px;
}
.metrics-heading h3 {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
}
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}
.metric-card {
  min-width: 0;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--bg);
}
.metric-card strong,
.metric-card span {
  display: block;
}
.metric-card strong {
  overflow-wrap: anywhere;
  font-size: 1.15rem;
}
.metric-card span,
.metric-note {
  color: var(--mut);
  font-size: 0.78rem;
}
.metric-note {
  margin-top: 10px;
}
.metrics-charts {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}
.metrics-chart {
  min-width: 0;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--card);
}
.metrics-chart h3 {
  margin: 0 0 14px;
  font-size: 0.95rem;
  font-weight: 600;
}
.metric-bars {
  display: grid;
  gap: 11px;
}
.metric-bar-row {
  display: grid;
  grid-template-columns: minmax(88px, 1fr) minmax(80px, 2fr) 24px;
  align-items: center;
  gap: 10px;
}
.metric-bar-label {
  overflow-wrap: anywhere;
  color: var(--mut);
  font-size: 0.8rem;
}
.metric-bar-track {
  display: block;
  height: 9px;
  overflow: hidden;
  border-radius: 99px;
  background: var(--line);
}
.metric-bar-fill {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: var(--accent, #4f7cf3);
}
.metric-bar-row strong {
  text-align: right;
  font-size: 0.85rem;
}
@media (max-width: 640px) {
  .metrics-charts {
    grid-template-columns: 1fr;
  }
}
.experimental-demo {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
}
.demo-box {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 14px;
}
.demo-box textarea,
.demo-box input {
  width: 100%;
  background: var(--bg);
  color: var(--fg);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 8px 10px;
  font: inherit;
}
.demo-description {
  margin: 0 0 12px;
  color: var(--mut);
  font-size: 0.9rem;
  line-height: 1.5;
}
.demo-field-label {
  display: block;
  margin: 8px 0;
  color: var(--mut);
  font-size: 0.82rem;
}
.demo-field-label input {
  display: block;
  margin-top: 4px;
  color: var(--fg);
}
.demo-box .token-box {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 10px;
}
.demo-box .token {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 3px 8px;
  font-size: 0.8rem;
}
.demo-box .similarity-score {
  margin-top: 10px;
  font-weight: 600;
}
.attention-wrap {
  margin-top: 12px;
  display: grid;
  gap: 10px;
}
.attention-matrix {
  display: grid;
  gap: 4px;
  min-width: 0;
}
.attention-axis,
.attention-cell {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  min-width: 0;
  padding: 4px 2px;
  border-radius: 6px;
  border: 1px solid var(--line);
  font-size: 0.68rem;
  text-align: center;
  overflow-wrap: anywhere;
}
.attention-axis {
  background: var(--card);
  color: var(--mut);
}
.attention-cell {
  background: var(--weight-color, var(--card));
  color: var(--fg);
  font-variant-numeric: tabular-nums;
}
.attention-wrap .sub {
  margin: 0;
  color: var(--mut);
}
.admin-json,
.admin-json textarea {
  width: 100%;
}
@media (max-width: 620px) {
  .feature-card {
    flex-direction: column;
    align-items: flex-start;
  }
  .feature-card .feature-link {
    width: 100%;
    text-align: center;
  }
  .github-panel {
    grid-template-columns: 1fr;
  }
  .demo-panel-heading,
  .playground-heading {
    align-items: flex-start;
    flex-wrap: wrap;
  }
  .modal-box {
    padding: 14px 16px;
  }
  .pub-actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media print {
  nav,
  footer,
  .np,
  .modal,
  .feature-card,
  .pub-actions {
    display: none;
  }
}