.tc-shell {
  display: grid;
  grid-template-columns: minmax(320px, 0.95fr) minmax(360px, 1.05fr);
  gap: 16px;
  align-items: start;
}

@media (max-width: 1024px) {
  .tc-shell {
    grid-template-columns: 1fr;
  }
}

.tc-panel {
  border: 1px solid var(--border, #d0d7de);
  border-radius: 14px;
  padding: 14px 16px;
  background: linear-gradient(140deg, #f7fbff, #f4f6fb);
  box-shadow: 0 10px 32px rgba(15, 23, 42, 0.08);
}

.tc-panel h3 {
  margin-top: 0;
  margin-bottom: 8px;
}

.tc-panel label {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-weight: 600;
}

.tc-panel textarea {
  width: 100%;
  min-height: 180px;
  padding: 14px;
  border: 1px solid var(--border, #d0d7de);
  border-radius: 14px;
  background: linear-gradient(135deg, #ffffff, #f7f9fc);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.6), 0 8px 20px rgba(15, 23, 42, 0.06);
  font-size: 15px;
  line-height: 1.5;
  resize: vertical;
}

.tc-panel textarea:focus-visible {
  outline: 2px solid #2563eb;
  outline-offset: 2px;
  border-color: #2563eb;
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.12);
}

.tc-subtext {
  color: var(--muted, #475569);
  margin: 0 0 10px;
  font-size: 14px;
}

.tc-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(34, 197, 94, 0.12);
  color: #0f5132;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  font-size: 12px;
}

.tc-options {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 10px;
  margin: 12px 0;
}

.tc-option {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  border: 1px solid var(--border, #d0d7de);
  border-radius: 12px;
  padding: 10px 12px;
  background: #fff;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.7);
}

.tc-option input {
  margin-top: 4px;
}

.tc-option span {
  font-weight: 600;
}

.tc-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
  margin-top: 10px;
}

.tc-actions .primary {
  min-width: 160px;
}

.case-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 12px;
}

.case-row {
  border: 1px solid var(--border, #d0d7de);
  border-radius: 12px;
  padding: 10px;
  background: #0b1220;
  color: #e2e8f0;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.03);
}

.case-row__head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

.case-row__head h3 {
  margin: 0;
}

.case-row .button.small {
  background: rgba(255, 255, 255, 0.08);
  color: #e2e8f0;
  border: 1px solid rgba(255, 255, 255, 0.14);
}

.case-output {
  min-height: 56px;
  white-space: pre-wrap;
  word-break: break-word;
  font-family: ui-monospace, SFMono-Regular, Consolas, 'Liberation Mono', Menlo, monospace;
}

.case-status {
  font-size: 14px;
  color: var(--muted, #475569);
  margin-top: 4px;
}