.transformer-architecture {
  margin: 1.4rem 0;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.84);
  box-shadow: var(--shadow);
}

.transformer-architecture figcaption {
  margin-top: 0.95rem;
  color: var(--ink-muted);
}

.transformer-architecture__frame,
.transformer-architecture__eyebrow,
.transformer-architecture__badge,
.transformer-architecture__box h4,
.transformer-architecture__note strong,
.transformer-architecture__arrow,
.transformer-architecture__tokens span {
  font-family: "IBM Plex Sans", sans-serif;
}

.transformer-architecture__frame {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) auto minmax(0, 1.2fr) auto minmax(0, 0.95fr);
  gap: 1rem;
  align-items: start;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) - 6px);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(255, 255, 255, 0.84));
}

.transformer-architecture__lane {
  min-width: 0;
}

.transformer-architecture__lane--stack {
  padding: 0.9rem;
  border: 1px solid rgba(93, 90, 163, 0.16);
  border-radius: calc(var(--radius-small) + 4px);
  background: rgba(93, 90, 163, 0.07);
}

.transformer-architecture__stack-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.85rem;
}

.transformer-architecture__eyebrow {
  margin: 0 0 0.8rem;
  color: var(--ink-muted);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.transformer-architecture__stack-header .transformer-architecture__eyebrow {
  margin: 0;
}

.transformer-architecture__tokens {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-bottom: 0.85rem;
}

.transformer-architecture__tokens span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 3.4rem;
  padding: 0.55rem 0.8rem;
  border-radius: 0.9rem;
  border: 1px solid rgba(13, 107, 99, 0.18);
  background: rgba(13, 107, 99, 0.08);
  color: var(--accent-strong);
  font-weight: 700;
}

.transformer-architecture__box {
  padding: 0.9rem 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-small);
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 10px 24px rgba(31, 38, 48, 0.05);
}

.transformer-architecture__box + .transformer-architecture__box,
.transformer-architecture__note {
  margin-top: 0.8rem;
}

.transformer-architecture__box h4,
.transformer-architecture__note strong {
  margin: 0 0 0.45rem;
  font-size: 0.98rem;
  font-weight: 700;
  line-height: 1.25;
}

.transformer-architecture__box p,
.transformer-architecture__note p {
  margin: 0;
  color: var(--ink-muted);
  font-size: 0.94rem;
  line-height: 1.55;
}

.transformer-architecture__box--accent {
  background: rgba(13, 107, 99, 0.09);
  border-color: rgba(13, 107, 99, 0.18);
}

.transformer-architecture__box--signal {
  background: rgba(191, 90, 54, 0.1);
  border-color: rgba(191, 90, 54, 0.2);
}

.transformer-architecture__box--signal-soft {
  background: rgba(191, 90, 54, 0.06);
  border-color: rgba(191, 90, 54, 0.16);
}

.transformer-architecture__box--optional {
  background: rgba(93, 90, 163, 0.09);
  border-color: rgba(93, 90, 163, 0.18);
}

.transformer-architecture__box--neutral {
  background: rgba(31, 38, 48, 0.05);
}

.transformer-architecture__note {
  padding: 0.85rem 0.95rem;
  border: 1px dashed rgba(13, 107, 99, 0.24);
  border-radius: var(--radius-small);
  background: rgba(13, 107, 99, 0.04);
}

.transformer-architecture__badge {
  display: inline-flex;
  align-items: center;
  padding: 0.34rem 0.7rem;
  border-radius: 999px;
  background: rgba(191, 90, 54, 0.1);
  color: var(--signal);
  font-size: 0.78rem;
  font-weight: 700;
}

.transformer-architecture__arrow {
  align-self: center;
  color: rgba(31, 38, 48, 0.52);
  font-size: 2rem;
  font-weight: 700;
  line-height: 1;
}

.transformer-architecture .inline-tooltip,
.transformer-architecture .concept-link {
  white-space: normal;
}

.paper-diagram {
  margin: 1.4rem 0;
  padding: 0.9rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.84);
  box-shadow: var(--shadow);
}

.paper-diagram__img {
  display: block;
  width: 100%;
  height: auto;
}

.paper-diagram__map {
  position: relative;
}

.paper-diagram__hotspot {
  position: absolute;
  appearance: none;
  padding: 0;
  border: 1.5px solid transparent;
  border-radius: 1rem;
  background: transparent;
  box-shadow: none;
  cursor: help;
  transition:
    border-color 160ms ease,
    background 160ms ease,
    box-shadow 160ms ease,
    transform 160ms ease;
}

.paper-diagram__map:hover .paper-diagram__hotspot,
.paper-diagram__map:focus-within .paper-diagram__hotspot {
  border-color: rgba(241, 246, 243, 0.16);
  background: rgba(255, 255, 255, 0.03);
}

.paper-diagram__hotspot:hover,
.paper-diagram__hotspot:focus-visible {
  border-color: rgba(247, 250, 248, 0.92);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.15), rgba(255, 255, 255, 0.05));
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.12),
    0 0 0 0.2rem rgba(225, 236, 227, 0.14);
  outline: none;
  transform: scale(1.015);
}

.paper-diagram__hotspot--small {
  border-radius: 0.65rem;
}

.paper-diagram figcaption {
  margin-top: 0.85rem;
  color: var(--ink-muted);
}

.paper-diagram--portrait {
  max-width: 54rem;
  margin: 1.6rem auto;
}

.paper-diagram--portrait .paper-diagram__map {
  max-width: 36rem;
  margin: 0 auto;
}

.paper-diagram--portrait .paper-diagram__img {
  max-width: none;
  margin: 0;
}

.paper-diagram--dark {
  border-color: rgba(26, 33, 31, 0.72);
  background:
    radial-gradient(circle at top, rgba(255, 255, 255, 0.05), transparent 34%),
    linear-gradient(180deg, #1a1d1d, #0d0f10);
  box-shadow: 0 24px 48px rgba(8, 12, 12, 0.28);
}

.paper-diagram--dark figcaption {
  color: rgba(239, 244, 240, 0.8);
}

.paper-diagram--dark a {
  color: rgba(228, 240, 230, 0.96);
}

.paper-diagram--dark .paper-diagram__hotspot {
  border-color: transparent;
}

.paper-diagram--interactive {
  padding: 1rem;
}

.paper-diagram--interactive .paper-diagram__map {
  padding: 0.6rem;
  border-radius: calc(var(--radius) - 0.35rem);
  background: transparent;
  overflow: visible;
}

.paper-diagram--interactive .paper-diagram__img {
  border-radius: calc(var(--radius) - 0.45rem);
  filter: drop-shadow(0 14px 20px rgba(31, 38, 48, 0.14));
}

@media (max-width: 40rem) {
  .paper-diagram__hotspot {
    border-width: 1px;
  }
}

.one-hot-figure {
  margin: 1.5rem 0 1.75rem;
  padding: 1.15rem;
  border: 1px solid color-mix(in srgb, var(--line) 82%, var(--accent) 18%);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at top right, rgba(138, 69, 234, 0.08), transparent 42%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(248, 245, 252, 0.96));
  box-shadow: var(--shadow);
}

.one-hot-print-static {
  display: none;
}

.one-hot-figure__header {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: end;
  margin-bottom: 1rem;
}

.one-hot-figure__eyebrow {
  margin: 0 0 0.15rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--accent);
}

.one-hot-figure__header h2 {
  margin: 0;
  font-size: 1.25rem;
}

.one-hot-figure__note {
  margin: 0;
  max-width: 24rem;
  color: var(--ink-muted);
  font-size: 0.96rem;
  line-height: 1.45;
  text-align: right;
}

.one-hot-figure__body {
  display: grid;
  gap: 0.65rem;
}

.one-hot-figure__labels,
.one-hot-figure__row {
  display: grid;
  grid-template-columns: minmax(5rem, 0.8fr) minmax(0, 2fr);
  gap: 1rem;
  align-items: center;
}

.one-hot-figure__labels {
  padding: 0 0.45rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

.one-hot-figure__row {
  padding: 0.65rem 0.45rem;
  border-radius: calc(var(--radius-lg) - 4px);
  background: rgba(255, 255, 255, 0.66);
  border: 1px solid rgba(138, 69, 234, 0.08);
}

.one-hot-figure__token {
  font-weight: 700;
  color: var(--ink);
}

.one-hot-figure__vector {
  display: grid;
  grid-template-columns: repeat(4, minmax(2.4rem, 1fr));
  gap: 0.45rem;
}

.one-hot-figure__slot {
  display: grid;
  place-items: center;
  min-height: 2.55rem;
  border-radius: 0.75rem;
  border: 1px solid rgba(34, 37, 45, 0.16);
  background: rgba(255, 255, 255, 0.92);
  font-weight: 700;
  color: var(--ink-muted);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.95);
}

.one-hot-figure__slot.is-active {
  background: linear-gradient(180deg, rgba(138, 69, 234, 0.18), rgba(138, 69, 234, 0.08));
  border-color: rgba(138, 69, 234, 0.55);
  color: var(--accent);
}

.one-hot-figure figcaption {
  margin-top: 0.95rem;
  color: var(--ink-muted);
  font-size: 0.95rem;
  line-height: 1.5;
}