.token-split-tool {
  max-width: 1100px;
  margin: 0 auto;
  padding: 24px 16px 60px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.ts-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 20px;
  align-items: start;
}

@media (max-width: 800px) {
  .ts-grid {
    grid-template-columns: 1fr;
  }
}

.ts-panel {
  border: 1px solid var(--border-color);
  border-radius: 12px;
  background: var(--card-bg);
  padding: 20px;
}

.ts-panel h2 {
  margin: 0 0 12px;
  font-size: 1.05rem;
  color: var(--text-primary);
}

.ts-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.ts-panel-header h2 {
  margin: 0;
}

.ts-textarea {
  width: 100%;
  min-height: 260px;
  resize: vertical;
  background: var(--bg-color);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  color: var(--text-primary);
  padding: 12px;
  font-family: inherit;
  font-size: 0.9rem;
  line-height: 1.5;
}

.ts-textarea:focus {
  outline: none;
  border-color: var(--primary-color);
}

.ts-input-stats {
  margin-top: 10px;
  font-size: 0.82rem;
  color: var(--text-tertiary);
}

.ts-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 14px;
}

.ts-field label {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.ts-field input {
  background: var(--bg-color);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-primary);
  padding: 8px 10px;
  font-size: 0.9rem;
}

.ts-field input:focus {
  outline: none;
  border-color: var(--primary-color);
}

.ts-btn {
  border-radius: 8px;
  border: 1px solid var(--border-color);
  background: var(--bg-color);
  color: var(--text-primary);
  padding: 9px 16px;
  font-size: 0.88rem;
  cursor: pointer;
  transition: border-color 0.15s ease, transform 0.1s ease;
}

.ts-btn:hover {
  border-color: var(--primary-color);
}

.ts-btn:active {
  transform: translateY(1px);
}

.ts-btn-primary {
  width: 100%;
  background: var(--primary-color);
  border-color: var(--primary-color);
  color: #fff;
  font-weight: 600;
  margin-top: 4px;
}

.ts-btn-ghost {
  background: transparent;
}

.ts-note {
  margin-top: 14px;
  font-size: 0.78rem;
  color: var(--text-tertiary);
  line-height: 1.5;
}

.ts-results-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.ts-summary {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.ts-chunks {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.ts-chunk {
  border: 1px solid var(--border-color);
  border-radius: 10px;
  background: var(--bg-color);
  padding: 14px;
}

.ts-chunk-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
  flex-wrap: wrap;
  gap: 8px;
}

.ts-chunk-title {
  font-weight: 600;
  color: var(--accent-color);
  font-size: 0.9rem;
}

.ts-chunk-meta {
  font-size: 0.78rem;
  color: var(--text-tertiary);
}

.ts-chunk-text {
  width: 100%;
  min-height: 110px;
  resize: vertical;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-primary);
  padding: 10px;
  font-size: 0.85rem;
  line-height: 1.5;
}

.ts-chunk-copy {
  margin-top: 8px;
}

.ts-overlap-flag {
  color: var(--warning-color);
  font-weight: 600;
}

.ts-copied {
  color: var(--success-color) !important;
  border-color: var(--success-color) !important;
}