.zh-shell {
  display: grid;
  grid-template-columns: minmax(320px, 1fr) minmax(320px, 1fr);
  gap: 16px;
  align-items: start;
}

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

.zh-panel {
  border: 1px solid var(--border, #d0d7de);
  border-radius: 16px;
  padding: 16px;
  background: linear-gradient(150deg, #f8fbff, #eef2ff);
  box-shadow: 0 12px 32px rgba(15, 23, 42, 0.08);
}

.zh-panel--output {
  background: linear-gradient(160deg, #0b1020, #131c34);
  color: #e2e8f0;
  border-color: rgba(226, 232, 240, 0.18);
  box-shadow: 0 16px 40px rgba(10, 19, 35, 0.5);
}

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

.zh-field {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-weight: 600;
}

.zh-field textarea,
.zh-field select {
  width: 100%;
  padding: 12px;
  border-radius: 14px;
  border: 1px solid var(--border, #d0d7de);
  background: #fff;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.7), 0 10px 24px rgba(15, 23, 42, 0.06);
  font-size: 15px;
  line-height: 1.5;
}

.zh-field textarea {
  min-height: 160px;
  resize: vertical;
}

.zh-field textarea:focus-visible,
.zh-field select:focus-visible {
  outline: 2px solid #6d28d9;
  outline-offset: 2px;
  border-color: #6d28d9;
  box-shadow: 0 0 0 4px rgba(109, 40, 217, 0.15);
}

.zh-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(37, 99, 235, 0.12);
  color: #1d4ed8;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.zh-options {
  margin: 12px 0;
}

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

.zh-toggle input {
  margin-top: 4px;
}

.zh-toggle strong {
  display: block;
  font-size: 14px;
}

.zh-toggle small {
  color: var(--muted, #475569);
  display: block;
  margin-top: 2px;
}

.zh-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
  margin-top: 12px;
}

.zh-actions .primary {
  min-width: 140px;
}

.zh-status {
  margin-top: 8px;
  color: var(--muted, #475569);
  font-size: 14px;
}

.zh-output-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
}

.zh-meta {
  margin: 0;
  color: #cbd5e1;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 12px;
}

.zh-badge {
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid rgba(226, 232, 240, 0.25);
  background: rgba(255, 255, 255, 0.06);
  font-weight: 700;
}

#zh-result {
  width: 100%;
  padding: 12px;
  border-radius: 12px;
  border: 1px solid rgba(226, 232, 240, 0.18);
  background: #0b1220;
  color: #e2e8f0;
  font-family: ui-monospace, SFMono-Regular, Consolas, 'Liberation Mono', Menlo, monospace;
  min-height: 220px;
  resize: vertical;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.05);
}

#zh-result:focus-visible {
  outline: 2px solid #a78bfa;
  outline-offset: 2px;
  border-color: #a78bfa;
  box-shadow: 0 0 0 4px rgba(167, 139, 250, 0.22);
}