* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-width: 320px;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 14px;
  color: #1a1a1a;
  background: #f4f4f5;
}

.panel {
  padding: 14px 16px 16px;
}

.title {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 600;
}

.hint {
  margin: 0 0 8px;
  line-height: 1.45;
  color: #52525b;
}

.nav-hint {
  margin: 0 0 12px;
  font-size: 12px;
  color: #71717a;
}

.nav-hint.hidden,
.hidden {
  display: none !important;
}

.actions {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
}

.btn {
  flex: 1;
  padding: 8px 12px;
  border: none;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-primary {
  background: #2563eb;
  color: #fff;
}

.btn-primary:hover:not(:disabled) {
  background: #1d4ed8;
}

.btn-danger {
  background: #dc2626;
  color: #fff;
}

.btn-danger:hover:not(:disabled) {
  background: #b91c1c;
}

.btn-secondary {
  flex: 0 0 auto;
  margin-top: 8px;
  background: #e4e4e7;
  color: #18181b;
}

.btn-secondary:hover:not(:disabled) {
  background: #d4d4d8;
}

.export {
  margin-top: 4px;
}

.export-label {
  display: block;
  margin-bottom: 6px;
  font-weight: 500;
  font-size: 13px;
}

#export-json {
  width: 100%;
  padding: 10px;
  border: 1px solid #d4d4d8;
  border-radius: 6px;
  font-family: ui-monospace, "Cascadia Code", monospace;
  font-size: 12px;
  line-height: 1.4;
  resize: vertical;
  background: #fff;
}

.copy-status {
  min-height: 1.2em;
  margin: 6px 0 0;
  font-size: 12px;
  color: #16a34a;
}