.mobile-preview-page {
  min-height: 100vh;
  background: #eef2f7;
  display: flex;
  flex-direction: column;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
}

.mobile-preview-page .preview-toolbar {
  position: sticky;
  top: 0;
  z-index: 100;
  height: 56px;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 16px;
  background: #fff;
  border-bottom: 1px solid #e5e6eb;
  flex-wrap: wrap;
}

.mobile-preview-page .preview-toolbar__back {
  border: 1px solid #e5e6eb;
  background: #f8fafc;
  border-radius: 8px;
  padding: 6px 12px;
  cursor: pointer;
  font-size: 13px;
  color: #334155;
}

.mobile-preview-page .preview-toolbar__title {
  font-size: 15px;
  font-weight: 600;
  color: #0f172a;
  flex: 1;
  min-width: 160px;
}

.mobile-preview-page .preview-toolbar__sizes {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.mobile-preview-page .preview-size-btn {
  border: 1px solid #e5e6eb;
  background: #fff;
  border-radius: 8px;
  padding: 4px 10px;
  font-size: 12px;
  cursor: pointer;
}

.mobile-preview-page .preview-size-btn.is-active {
  background: #eaf3ff;
  border-color: #1677ff;
  color: #1677ff;
  font-weight: 600;
}

.mobile-preview-page .preview-toolbar__actions {
  display: flex;
  gap: 6px;
}

.mobile-preview-page .preview-action-btn {
  border: 1px solid #e5e6eb;
  background: #fff;
  border-radius: 8px;
  padding: 4px 10px;
  font-size: 12px;
  cursor: pointer;
}

.mobile-preview-page .preview-workspace {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px 16px;
  overflow: auto;
}

.mobile-preview-page .preview-device {
  position: relative;
  background: #111827;
  border-radius: 24px;
  border: 2px solid #374151;
  box-shadow: 0 20px 50px rgba(15, 23, 42, 0.18);
  overflow: hidden;
  flex-shrink: 0;
}

.mobile-preview-page .preview-device__inner {
  width: 100%;
  height: 100%;
  background: #f5f7fa;
  position: relative;
  overflow: hidden;
}

.mobile-preview-page .preview-device__inner .mobile-question-root {
  position: absolute;
  inset: 0;
}

.mobile-preview-page .preview-panel {
  width: 220px;
  margin-left: 24px;
  background: #fff;
  border: 1px solid #e5e6eb;
  border-radius: 12px;
  padding: 12px;
  font-size: 13px;
  color: #475569;
  align-self: flex-start;
}

.mobile-preview-page .preview-panel h3 {
  margin: 0 0 8px;
  font-size: 14px;
  color: #0f172a;
}

.mobile-preview-page .preview-panel select {
  width: 100%;
  margin-bottom: 8px;
  padding: 6px;
  border-radius: 8px;
  border: 1px solid #e5e6eb;
}

@media (max-width: 900px) {
  .mobile-preview-page .preview-panel {
    display: none;
  }
}