/* Slide 26: feed-forward network. */

.ffn26-layout {
  margin-top: 0.84rem;
  display: flex;
  justify-content: center;
}

.ffn26-stage {
  width: min(100%, 58rem);
  padding: 1rem 1.1rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.72rem;
  border-color: rgba(0, 120, 144, 0.55);
  background:
    radial-gradient(circle at 16% 14%, rgba(0, 120, 144, 0.08), transparent 36%),
    var(--surface);
}

.ffn26-section {
  border: 1px solid rgba(42, 79, 214, 0.55);
  border-radius: var(--radius-md);
  background: rgba(210, 218, 244, 0.44);
  padding: 0.78rem 0.82rem;
}

.ffn26-kicker {
  font-size: var(--fs-2xs);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(20, 40, 120, 0.86);
  margin-bottom: 0.55rem;
}

.ffn26-role-section {
  padding-bottom: 0.86rem;
}

.ffn26-role-flow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.7rem;
}

.ffn26-role-box {
  min-width: 8.4rem;
  border-radius: var(--radius-md);
  padding: 0.7rem 0.9rem;
  border: 1px solid;
  text-align: center;
  font-size: var(--fs-sm);
  font-weight: 700;
}

.ffn26-role-box.attn {
  border-color: rgba(90, 48, 200, 0.42);
  background: rgba(90, 48, 200, 0.12);
  color: var(--purple);
}

.ffn26-role-box.ffn {
  border-color: rgba(0, 120, 144, 0.42);
  background: rgba(0, 120, 144, 0.12);
  color: var(--cyan);
}

.ffn26-flow-arrow {
  font-size: 1rem;
  color: rgba(20, 40, 120, 0.72);
  line-height: 1;
}

.ffn26-role-captions {
  margin-top: 0.68rem;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.52rem;
}

.ffn26-role-note {
  border-radius: var(--radius-md);
  border: 1px solid rgba(42, 79, 214, 0.55);
  background: rgba(42, 79, 214, 0.08);
  padding: 0.56rem 0.64rem;
  font-size: var(--fs-2xs);
  line-height: 1.5;
  color: #0d1020;
}

.ffn26-rowwise-grid {
  display: grid;
  grid-template-columns: minmax(0, 16rem) auto minmax(0, 8.5rem);
  align-items: center;
  justify-content: center;
  gap: 0.76rem;
}

.ffn26-matrix-card {
  border-radius: var(--radius-md);
  border: 1px solid rgba(42, 79, 214, 0.55);
  background: rgba(42, 79, 214, 0.06);
  padding: 0.65rem 0.68rem;
}

.ffn26-mini-head {
  font-size: var(--fs-2xs);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: rgba(20, 40, 120, 0.88);
}

.ffn26-mini-dims {
  margin-top: 0.12rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--fs-2xs);
  color: rgba(30, 50, 120, 0.82);
}

.ffn26-matrix-rows {
  margin-top: 0.55rem;
  display: grid;
  gap: 0.34rem;
}

.ffn26-matrix-row {
  display: grid;
  grid-template-columns: 2.15rem minmax(0, 1fr);
  gap: 0.5rem;
  align-items: center;
  transition: opacity 0.22s ease, transform 0.22s ease;
}

.ffn26-matrix-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--fs-2xs);
  color: rgba(10, 20, 80, 0.92);
  text-align: right;
}

.ffn26-matrix-bar {
  position: relative;
  height: 0.88rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(42, 79, 214, 0.3);
  background: rgba(42, 79, 214, 0.12);
  overflow: hidden;
}

.ffn26-matrix-bar.is-faint {
  opacity: 1;
}

.ffn26-matrix-divider {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 1px;
  background: rgba(60, 70, 130, 0.20);
}

.ffn26-matrix-row.is-focus {
  transform: translateX(0.08rem);
}

.ffn26-matrix-row.is-focus .ffn26-matrix-bar {
  border-color: rgba(0, 120, 144, 0.7);
  background: rgba(0, 120, 144, 0.14);
  box-shadow: 0 0 0 0.08rem rgba(0, 120, 144, 0.12);
}

.ffn26-focus-chip {
  justify-self: center;
  min-width: 8rem;
  border-radius: 999px;
  border: 1px solid rgba(0, 120, 144, 0.55);
  background: rgba(0, 120, 144, 0.1);
  padding: 0.5rem 0.85rem;
  font-size: var(--fs-xs);
  color: #003844;
  text-align: center;
}

.ffn26-caption {
  margin-top: 0.58rem;
  font-size: var(--fs-2xs);
  line-height: 1.5;
  color: #0d1020;
  text-align: center;
}

.ffn26-mlp-flow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.42rem;
  flex-wrap: wrap;
}

.ffn26-mlp-flow .ffn26-flow-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
}

.ffn26-mlp-chip {
  border-radius: 999px;
  border: 1px solid rgba(42, 79, 214, 0.55);
  background: rgba(42, 79, 214, 0.1);
  padding: 0.44rem 0.7rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--fs-2xs);
  color: #0d1020;
}

.ffn26-op-card {
  min-width: 8rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(0, 120, 144, 0.55);
  background: rgba(0, 120, 144, 0.08);
  padding: 0.44rem 0.64rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.12rem;
  color: #003844;
}

.ffn26-op-gelu {
  min-width: 5.6rem;
  border-color: rgba(106, 79, 0, 0.55);
  background: rgba(106, 79, 0, 0.08);
  color: #4a3200;
}

.ffn26-op-title {
  font-size: var(--fs-2xs);
  font-weight: 700;
}

.ffn26-op-dims {
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--fs-2xs);
  color: rgba(10, 20, 80, 0.84);
}

.ffn26-equation {
  margin-top: 0.62rem;
  text-align: center;
  font-size: var(--fs-xs);
  color: #0d1020;
}

.ffn26-batch-grid {
  display: grid;
  grid-template-columns: minmax(0, 12rem) minmax(0, 1fr) minmax(0, 12rem);
  gap: 0.9rem;
  align-items: center;
}

.ffn26-batch-card {
  align-self: stretch;
}

.ffn26-batch-card .ffn26-mini-dims {
  margin-top: 0;
  text-align: center;
}

.ffn26-batch-flow {
  display: flex;
  align-items: center;
  justify-content: center;
}

.ffn26-batch-pipeline {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.44rem;
  flex-wrap: wrap;
}

.ffn26-batch-op {
  min-width: 6.2rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(0, 120, 144, 0.55);
  background: rgba(0, 120, 144, 0.08);
  padding: 0.46rem 0.62rem;
  display: grid;
  justify-items: center;
  gap: 0.14rem;
  color: #003844;
}

.ffn26-batch-op-gelu {
  min-width: 5.2rem;
  border-color: rgba(106, 79, 0, 0.55);
  background: rgba(106, 79, 0, 0.08);
  color: #4a3200;
}

.ffn26-batch-op-title {
  font-size: var(--fs-2xs);
  font-weight: 700;
}

.ffn26-batch-op-dims {
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--fs-2xs);
  color: rgba(10, 20, 80, 0.82);
}

.ffn26-batch-card.is-output .ffn26-matrix-bar {
  border-color: rgba(15, 110, 47, 0.34);
  background: rgba(15, 110, 47, 0.1);
}

.ffn26-batch-card.is-output .ffn26-matrix-label {
  color: #0a3e1a;
}

.ffn26-takeaway {
  margin-top: 0.82rem;
  border: 1px solid rgba(42, 79, 214, 0.55);
  border-radius: var(--radius-md);
  background: rgba(42, 79, 214, 0.1);
  display: flex;
  align-items: center;
  padding: 0.62rem 0.72rem;
  font-size: var(--fs-xs);
  color: #0d1020;
  line-height: 1.45;
  width: min(100%, 56rem);
  margin-left: auto;
  margin-right: auto;
}