.tokenization-page .step-badge,
.tokenization-page .step-nav span { background: #fff0e8; color: #a9421c; }

.boundary-inspection {
  margin-top: 1rem;
  padding: 1rem 1.1rem;
  border-left: 4px solid var(--orange);
  border-radius: 4px 10px 10px 4px;
  background: var(--orange-soft);
}

.boundary-inspection p:last-child { margin: 0; color: #633019; }

.rule-options {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.tokenizer-comparison {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
}

.tokenizer-card {
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fbfdfe;
}

.tokenizer-card-header {
  padding: 0.9rem;
  border-bottom: 1px solid var(--line);
  background: #f3f7f9;
}

.tokenizer-card-header h3 { margin-bottom: 0.2rem; font-size: 1rem; }
.tokenizer-card-header p { min-height: 2.6em; margin: 0; color: var(--ink-soft); font-size: 0.78rem; line-height: 1.35; }

.token-stats {
  display: flex;
  gap: 0.9rem;
  margin-top: 0.6rem;
  color: var(--teal);
  font-size: 0.74rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.token-output {
  display: flex;
  align-content: flex-start;
  flex-wrap: wrap;
  gap: 0.38rem;
  min-height: 185px;
  max-height: 300px;
  overflow-y: auto;
  padding: 0.9rem;
}

.token-output .token-chip { background: #fff; }
.token-output .punctuation-token { border-color: #edbda9; color: #8e3d21; background: #fff3ed; }

.range-field {
  display: grid;
  gap: 0.65rem;
}

.range-field > span { display: flex; justify-content: space-between; align-items: center; }
.range-field output {
  min-width: 2.4rem;
  padding: 0.18rem 0.5rem;
  border-radius: 6px;
  color: #fff;
  background: var(--navy);
  text-align: center;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
}

.range-field input { width: 100%; accent-color: var(--orange); }

.bpe-input-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(230px, .65fr);
  gap: 1rem;
  margin-bottom: 1rem;
}

.bpe-input-grid textarea { min-height: 138px; }
.bpe-settings { display: grid; align-content: start; gap: .8rem; }
.bpe-definition {
  padding: .8rem .9rem;
  border: 1px solid #b9d9d5;
  border-radius: 9px;
  color: var(--ink-soft);
  background: #eff9f7;
  font-size: .82rem;
}
.bpe-definition strong { color: var(--teal); }
.bpe-definition p { margin: .25rem 0 0; }
.bpe-definition code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }

.bpe-round-controls {
  display: grid;
  grid-template-columns: auto minmax(240px, 1fr) auto auto;
  align-items: end;
  gap: .65rem;
  margin-bottom: 1.25rem;
  padding: .9rem;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: #f7fafc;
}

.bpe-round-controls .button { white-space: nowrap; }
.bpe-round-controls .button:disabled {
  border-color: var(--line);
  color: #8795a5;
  background: #e8eef2;
  cursor: not-allowed;
}

.subword-metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  overflow: hidden;
  margin-bottom: 1.25rem;
  border: 1px solid var(--line);
  border-radius: 10px;
}

.subword-metrics > div {
  display: grid;
  gap: 0.15rem;
  padding: 0.85rem 1rem;
  border-right: 1px solid var(--line);
  background: #f7fafc;
}

.subword-metrics > div:last-child { border-right: 0; }
.subword-metrics span { color: var(--navy); font-size: 1.4rem; font-weight: 800; }
.subword-metrics small { color: var(--ink-soft); font-size: 0.72rem; letter-spacing: 0.06em; text-transform: uppercase; }

.bpe-current-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(260px, .85fr);
  gap: 1rem;
}

.bpe-panel {
  min-width: 0;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fbfdfe;
}

.segmented-words { display: grid; gap: 0.55rem; }
.segmented-word {
  display: grid;
  grid-template-columns: minmax(80px, 120px) 1fr;
  align-items: start;
  gap: 0.75rem;
}

.word-label {
  overflow: hidden;
  color: var(--ink-soft);
  font-size: 0.82rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.segment-list { display: flex; flex-wrap: wrap; gap: 0.25rem; }
.segment-chip {
  padding: 0.16rem 0.38rem;
  border: 1px solid #f0b89e;
  border-radius: 4px;
  color: #7e351b;
  background: #fff1ea;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.78rem;
}

.segment-chip.new-segment {
  border-color: var(--teal);
  color: #075e57;
  background: #dff4f0;
  box-shadow: inset 0 -2px 0 rgba(10,123,114,.18);
}

.vocabulary-block {
  margin-top: 1rem;
  padding-top: .9rem;
  border-top: 1px solid var(--line);
}

.vocabulary-list {
  display: flex;
  flex-wrap: wrap;
  gap: .3rem;
  max-height: 142px;
  overflow-y: auto;
}

.vocabulary-chip {
  padding: .17rem .4rem;
  border: 1px solid var(--line-dark);
  border-radius: 5px;
  color: var(--navy);
  background: #fff;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: .76rem;
}

.vocabulary-chip.new-vocabulary-token {
  border-color: var(--teal);
  color: #075e57;
  background: #dff4f0;
  font-weight: 800;
}

.bpe-table-wrap { margin-top: 0; }
.pair-ranking-panel table { font-variant-numeric: tabular-nums; }
.pair-ranking-panel th:first-child,
.pair-ranking-panel td:first-child { width: 84px; }
.pair-ranking-panel th:last-child,
.pair-ranking-panel td:last-child { width: 70px; text-align: right; }
.pair-ranking-panel code,
.bpe-preview code,
.history-rule code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
.selected-pair { background: #fff5ef; box-shadow: inset 3px 0 0 var(--orange); }
.rank-number { display: inline-block; min-width: 1.35rem; }
.next-label {
  margin-left: .25rem;
  padding: .12rem .3rem;
  border-radius: 4px;
  color: #8e3d21;
  background: #ffe3d4;
  font-size: .61rem;
  font-weight: 850;
  letter-spacing: .05em;
  text-transform: uppercase;
}
.bpe-empty-cell { color: var(--ink-soft); text-align: center !important; }
.tie-note { margin: .75rem 0 0; color: var(--ink-soft); font-size: .78rem; }

.bpe-preview {
  margin-top: 1rem;
  padding: 1.1rem;
  border: 2px solid #a9d7d0;
  border-radius: 13px;
  background: #f4fbfa;
}

.preview-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}
.preview-heading h3 { margin: .15rem 0 0; font-size: 1.15rem; }
.preview-rule {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: .45rem;
  padding: .55rem .7rem;
  border-radius: 8px;
  color: var(--navy);
  background: #fff;
  box-shadow: 0 2px 10px rgba(16,42,67,.08);
}
.preview-rule small { flex-basis: 100%; color: var(--teal); text-align: right; font-weight: 750; }
.preview-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(260px, .85fr);
  gap: 1rem;
}
.preview-grid > div { min-width: 0; }
.preview-vocabulary-block { border-top-color: #b9d9d5; }

.history-block {
  margin-top: 1rem;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fbfdfe;
}

.merge-history {
  max-height: 420px;
  overflow-y: auto;
  margin: 0;
  padding-left: 1.75rem;
  color: var(--ink-soft);
  font-size: 0.82rem;
}
.merge-history li { margin-bottom: 0.65rem; padding-left: 0.25rem; }
.merge-history code { color: var(--navy); font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
.merge-history .merge-frequency { color: var(--teal); font-size: 0.72rem; font-weight: 750; }
.history-rule { display: flex; flex-wrap: wrap; align-items: center; gap: .4rem; }
.history-round { min-width: 4.7rem; color: var(--ink-soft); font-size: .72rem; font-weight: 800; text-transform: uppercase; }
.merge-history details { margin: .3rem 0 .15rem; }
.merge-history summary { color: var(--blue); cursor: pointer; font-size: .76rem; font-weight: 700; }
.history-vocabulary { margin-top: .45rem; padding: .55rem; border-radius: 7px; background: #f2f7f9; }
.merge-empty { color: var(--ink-soft); font-size: 0.84rem; }

.stress-buttons { display: flex; flex-wrap: wrap; gap: 0.65rem; }
.stress-result {
  margin: 1rem 0 1.5rem;
  padding: 1rem 1.1rem;
  border: 1px dashed var(--line-dark);
  border-radius: 10px;
  color: var(--ink-soft);
  background: #f8fbfc;
}
.stress-result p { margin: 0; }
.stress-result strong { color: var(--navy); }

@media (max-width: 780px) {
  .tokenizer-comparison { grid-template-columns: 1fr; }
  .token-output { min-height: auto; max-height: 220px; }
  .tokenizer-card-header p { min-height: auto; }
  .bpe-input-grid,
  .bpe-current-grid,
  .preview-grid { grid-template-columns: 1fr; }
  .bpe-round-controls { grid-template-columns: 1fr 1fr; }
  .bpe-round-controls .range-field { grid-column: 1 / -1; grid-row: 1; }
  .preview-heading { display: grid; }
  .preview-rule { justify-content: flex-start; }
  .preview-rule small { text-align: left; }
}

@media (max-width: 580px) {
  .rule-options, .subword-metrics { grid-template-columns: 1fr; }
  .subword-metrics > div { border-right: 0; border-bottom: 1px solid var(--line); }
  .subword-metrics > div:last-child { border-bottom: 0; }
  .segmented-word { grid-template-columns: 1fr; gap: 0.2rem; }
  .bpe-round-controls { grid-template-columns: 1fr; }
  .bpe-round-controls .range-field { grid-column: 1; }
}