#subtokenizer-guided-labs {
  --st-green: #57d39b;
  --st-green-soft: #102d28;
  --st-yellow: #f2c66d;
  --st-yellow-soft: #302711;
  margin: 2rem 0;
  color: var(--ink);
}

#subtokenizer-guided-labs * {
  box-sizing: border-box;
}

#subtokenizer-guided-labs .st-kicker {
  margin: 0 0 0.35rem;
  color: var(--st-green);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
}

#subtokenizer-guided-labs h2 {
  margin: 0;
  padding-left: 0.75rem;
  border-left: 4px solid var(--st-green);
  font-size: 1.3rem;
}

#subtokenizer-guided-labs .st-intro,
#subtokenizer-guided-labs .st-panel > p,
#subtokenizer-guided-labs .st-encoding p,
#subtokenizer-guided-labs .st-paths > p {
  color: var(--ink-soft);
  font-size: 0.83rem;
  line-height: 1.55;
}

#subtokenizer-guided-labs .st-tabs {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 1rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
}

#subtokenizer-guided-labs .st-tabs button {
  min-height: 2.8rem;
  border: 0;
  border-right: 1px solid var(--border);
  background: var(--surface);
  color: var(--ink-soft);
  cursor: pointer;
  font: inherit;
  font-size: 0.8rem;
  font-weight: 700;
}

#subtokenizer-guided-labs .st-tabs button:last-child {
  border-right: 0;
}

#subtokenizer-guided-labs .st-tabs button[aria-selected="true"] {
  background: var(--accent-soft);
  color: var(--accent);
  box-shadow: inset 0 -3px 0 var(--accent);
}

#subtokenizer-guided-labs .st-panel {
  display: none;
  padding: 1.25rem 0;
}

#subtokenizer-guided-labs .st-panel.is-active {
  display: block;
}

#subtokenizer-guided-labs h3 {
  margin: 0 0 0.45rem;
  font-size: 1rem;
}

#subtokenizer-guided-labs .st-formula {
  margin: 0.8rem 0;
  padding: 0.8rem;
  border-left: 3px solid var(--st-green);
  background: var(--code-bg);
  color: var(--code-ink);
  font-size: 0.8rem;
}

#subtokenizer-guided-labs .st-corpus {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  align-items: center;
  margin-bottom: 0.8rem;
}

#subtokenizer-guided-labs .st-corpus strong {
  margin-right: 0.3rem;
  font-size: 0.78rem;
}

#subtokenizer-guided-labs .st-corpus span {
  padding: 0.35rem 0.5rem;
  border: 1px solid var(--border);
  border-radius: 5px;
  background: var(--surface);
  font-size: 0.72rem;
}

#subtokenizer-guided-labs .st-callout {
  padding: 0.7rem;
  border-left: 3px solid var(--st-yellow);
  background: var(--st-yellow-soft);
  color: var(--ink) !important;
}

#subtokenizer-guided-labs .st-workbench {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(15rem, 0.9fr);
  gap: 1rem;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

#subtokenizer-guided-labs .st-heading-row {
  display: flex;
  gap: 0.5rem;
  justify-content: space-between;
  margin-bottom: 0.6rem;
}

#subtokenizer-guided-labs .st-heading-row strong {
  font-size: 0.8rem;
}

#subtokenizer-guided-labs .st-heading-row span {
  color: var(--ink-soft);
  font-size: 0.7rem;
}

#subtokenizer-guided-labs .st-word-list,
#subtokenizer-guided-labs .st-choice-list,
#subtokenizer-guided-labs .st-history {
  display: grid;
  gap: 0.4rem;
}

#subtokenizer-guided-labs .st-word-row {
  display: grid;
  grid-template-columns: 5.5rem minmax(0, 1fr);
  gap: 0.5rem;
  align-items: center;
}

#subtokenizer-guided-labs .st-word-row strong {
  color: var(--ink-soft);
  font: 0.72rem ui-monospace, SFMono-Regular, Consolas, monospace;
}

#subtokenizer-guided-labs .st-word-row > span,
#subtokenizer-guided-labs .st-tokens {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
}

#subtokenizer-guided-labs .st-token {
  display: inline-flex;
  min-height: 1.7rem;
  padding: 0.25rem 0.4rem;
  align-items: center;
  border: 1px solid var(--border);
  border-radius: 5px;
  background: var(--code-bg);
  color: var(--code-ink);
  font: 0.72rem ui-monospace, SFMono-Regular, Consolas, monospace;
}

#subtokenizer-guided-labs .st-choice-list button,
#subtokenizer-guided-labs .st-checkpoint button {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.5rem;
  min-height: 2.5rem;
  padding: 0.55rem 0.65rem;
  align-items: center;
  border: 1px solid var(--border);
  border-radius: 5px;
  background: var(--surface);
  color: var(--ink);
  cursor: pointer;
  font: inherit;
  font-size: 0.76rem;
  text-align: left;
}

#subtokenizer-guided-labs .st-choice-list button span {
  color: var(--ink-soft);
  font-size: 0.7rem;
}

#subtokenizer-guided-labs button.is-correct {
  border-color: var(--st-green);
  background: var(--st-green-soft);
}

#subtokenizer-guided-labs button.is-wrong {
  border-color: var(--danger);
  background: var(--danger-soft);
}

#subtokenizer-guided-labs .st-feedback {
  margin-top: 0.8rem;
  padding: 0.75rem;
  border-left: 3px solid var(--border);
  background: var(--surface);
  color: var(--ink-soft);
  font-size: 0.78rem;
  line-height: 1.5;
}

#subtokenizer-guided-labs .st-feedback.is-correct {
  border-left-color: var(--st-green);
  background: var(--st-green-soft);
  color: var(--ink);
}

#subtokenizer-guided-labs .st-feedback.is-wrong {
  border-left-color: var(--danger);
  background: var(--danger-soft);
  color: var(--ink);
}

#subtokenizer-guided-labs .st-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.7rem;
}

#subtokenizer-guided-labs .st-button {
  min-height: 2.3rem;
  padding: 0.45rem 0.7rem;
  border: 1px solid var(--border);
  border-radius: 5px;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  font: inherit;
  font-size: 0.76rem;
  font-weight: 700;
}

#subtokenizer-guided-labs .st-button.is-primary {
  border-color: var(--accent);
  background: var(--accent);
  color: #06101f;
}

#subtokenizer-guided-labs .st-button:disabled {
  cursor: not-allowed;
  opacity: 0.45;
}

#subtokenizer-guided-labs .st-encoding {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 1rem;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

#subtokenizer-guided-labs label {
  display: block;
  color: var(--ink-soft);
  font-size: 0.74rem;
  font-weight: 700;
}

#subtokenizer-guided-labs input {
  width: 100%;
  height: 2.3rem;
  margin-top: 0.35rem;
  padding: 0 0.6rem;
  border: 1px solid var(--border);
  border-radius: 5px;
  background: var(--code-bg);
  color: var(--code-ink);
  font: 0.8rem ui-monospace, SFMono-Regular, Consolas, monospace;
}

#subtokenizer-guided-labs .st-output {
  min-height: 6rem;
  padding: 0.75rem;
  border: 1px solid var(--border);
  background: var(--code-bg);
}

#subtokenizer-guided-labs .st-output > span {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--ink-soft);
  font-size: 0.7rem;
}

#subtokenizer-guided-labs .st-output > code {
  display: block;
  margin-top: 0.55rem;
  color: var(--code-ink);
  font-size: 0.72rem;
}

#subtokenizer-guided-labs .st-build {
  margin-top: 1rem;
  border: 1px solid var(--border);
  border-radius: 5px;
}

#subtokenizer-guided-labs .st-build summary {
  padding: 0.7rem;
  cursor: pointer;
  font-size: 0.78rem;
  font-weight: 700;
}

#subtokenizer-guided-labs .st-build p {
  margin: 0;
  padding: 0 0.7rem;
  color: var(--ink-soft);
  font-size: 0.76rem;
}

#subtokenizer-guided-labs .st-build pre {
  margin: 0.7rem 0 0;
  padding: 0.8rem;
  overflow-x: auto;
  border-top: 1px solid var(--border);
  background: var(--code-bg);
  color: var(--code-ink);
  font: 0.74rem/1.55 ui-monospace, SFMono-Regular, Consolas, monospace;
}

#subtokenizer-guided-labs mark {
  background: transparent;
  color: var(--st-yellow);
}

#subtokenizer-guided-labs .st-checkpoint {
  display: grid;
  gap: 0.4rem;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

#subtokenizer-guided-labs .st-checkpoint p {
  margin: 0 0 0.25rem;
  font-size: 0.82rem;
  font-weight: 700;
}

#subtokenizer-guided-labs .st-checkpoint button {
  grid-template-columns: 1fr;
}

#subtokenizer-guided-labs .st-history {
  min-height: 7rem;
  color: var(--ink-soft);
  font-size: 0.76rem;
}

#subtokenizer-guided-labs .st-paths {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

#subtokenizer-guided-labs .st-compare {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.76rem;
}

#subtokenizer-guided-labs .st-compare th,
#subtokenizer-guided-labs .st-compare td {
  padding: 0.65rem;
  border-bottom: 1px solid var(--border);
  text-align: left;
}

#subtokenizer-guided-labs .st-compare th {
  color: var(--ink-soft);
  font-weight: 600;
}

#subtokenizer-guided-labs .st-summary {
  margin-top: 1rem;
  padding: 0.9rem;
  border-left: 3px solid var(--st-green);
  background: var(--st-green-soft);
}

#subtokenizer-guided-labs .st-summary p {
  margin: 0.35rem 0 0;
  font-size: 0.8rem;
}

#subtokenizer-guided-labs .st-link {
  display: inline-block;
  margin-top: 1rem;
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 700;
}

.st-old-content {
  display: none !important;
}

@media (max-width: 760px) {
  #subtokenizer-guided-labs .st-tabs,
  #subtokenizer-guided-labs .st-workbench,
  #subtokenizer-guided-labs .st-encoding {
    grid-template-columns: 1fr;
  }

  #subtokenizer-guided-labs .st-tabs button {
    border-right: 0;
    border-bottom: 1px solid var(--border);
  }

  #subtokenizer-guided-labs .st-tabs button:last-child {
    border-bottom: 0;
  }

  #subtokenizer-guided-labs .st-choice-list button {
    grid-template-columns: 1fr;
  }

  #subtokenizer-guided-labs .st-word-row {
    grid-template-columns: 4.8rem minmax(0, 1fr);
  }

  #subtokenizer-guided-labs .st-compare {
    display: block;
    overflow-x: auto;
  }
}