/* 预设工作台：身份条 + 两个视图（编辑 / 试跑）+ 两个抽屉
   层级只用「列 + 1px 分隔线 + 一个面板底色」，不再嵌套卡片。 */

:root {
  --px-outline: 240px;
  --px-preview: 380px;
  --px-rail: 30px;
}

.px-page {
  overflow: hidden;
}

/* —— 身份条 —— */
.px-idbar {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 46px;
  padding: 7px 16px;
  border-bottom: 1px solid var(--st-border);
  background: var(--st-surface);
}
.px-id-main {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  flex: 1;
}
.px-id-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}
.px-name {
  width: 180px;
  font-weight: 600;
}
.px-idmeta {
  font-size: 12px;
  color: var(--st-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  min-width: 0;
}
.px-dirty {
  flex-shrink: 0;
  font-size: 11.5px;
  padding: 1px 8px;
  border-radius: 999px;
  border: 1px solid var(--st-border);
  color: var(--st-muted);
  white-space: nowrap;
}
.px-dirty[data-dirty="1"] {
  color: var(--st-text);
  border-color: color-mix(in srgb, #d97706 45%, var(--st-border));
  background: color-mix(in srgb, #d97706 12%, var(--st-surface));
}
.px-notice {
  font-size: 11.5px;
  color: var(--st-muted);
  max-width: 220px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* —— 基础控件 —— */
.px-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--st-border-strong);
  border-radius: 6px;
  background: var(--st-surface);
  color: var(--st-text);
  padding: 5px 10px;
  font-size: 12.5px;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
}
.px-btn:hover {
  background: color-mix(in srgb, var(--st-surface) 55%, var(--st-bg));
}
.px-btn[disabled] {
  opacity: 0.5;
  cursor: not-allowed;
}
.px-btn-primary {
  background: var(--st-accent);
  border-color: var(--st-accent);
  color: #fff;
}
.px-btn-primary:hover {
  background: color-mix(in srgb, var(--st-accent) 84%, var(--st-text));
  border-color: color-mix(in srgb, var(--st-accent) 84%, var(--st-text));
}
.px-btn-primary .px-btn-meta {
  color: color-mix(in srgb, #fff 72%, transparent);
}
.px-btn-danger {
  color: var(--st-danger);
  border-color: color-mix(in srgb, var(--st-danger) 35%, var(--st-border));
  background: transparent;
}
.px-btn-danger:hover {
  background: color-mix(in srgb, var(--st-danger) 8%, transparent);
}
.px-btn-mini {
  padding: 2px 7px;
  font-size: 11.5px;
}
.px-btn-meta {
  color: var(--st-faint);
  font-size: 11px;
  font-variant-numeric: tabular-nums;
}
.px-input,
.px-select {
  min-width: 0;
  border: 1px solid var(--st-border-strong);
  border-radius: 6px;
  background: var(--st-surface);
  color: var(--st-text);
  padding: 5px 8px;
  font-family: inherit;
  font-size: 12.5px;
}
.px-input[disabled],
.px-select[disabled] {
  opacity: 0.55;
}
.px-btn:focus-visible,
.px-input:focus-visible,
.px-select:focus-visible,
.px-content:focus-visible,
.px-issue:focus-visible {
  outline: 2px solid color-mix(in srgb, var(--st-accent) 65%, transparent);
  outline-offset: 1px;
}
.px-hint {
  margin: 0;
  font-size: 11.5px;
  line-height: 1.55;
  color: var(--st-faint);
}
.px-row {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}
.px-label {
  font-size: 11.5px;
  color: var(--st-muted);
}
.px-field {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 11.5px;
  color: var(--st-muted);
}
.px-field input,
.px-field select,
.px-field textarea {
  width: 100%;
  border: 1px solid var(--st-border-strong);
  border-radius: 6px;
  background: var(--st-surface);
  color: var(--st-text);
  padding: 5px 8px;
  font-family: inherit;
  font-size: 12.5px;
}
.px-field textarea {
  resize: vertical;
  line-height: 1.6;
}

/* —— 全局错误条 —— */
.px-alert {
  flex-shrink: 0;
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin: 8px 16px 0;
  padding: 7px 10px;
  border-radius: 8px;
  border: 1px solid color-mix(in srgb, var(--st-danger) 35%, var(--st-border));
  background: color-mix(in srgb, var(--st-danger) 8%, var(--st-surface));
  color: var(--st-danger);
  font-size: 12.5px;
  line-height: 1.5;
}
.px-alert[hidden] {
  display: none;
}
.px-alert-text {
  flex: 1;
  min-width: 0;
  word-break: break-word;
}

/* —— 视图容器 —— */
.px-view {
  flex: 1;
  min-height: 0;
  display: grid;
}
.px-view[hidden] {
  display: none;
}
.px-view-edit {
  grid-template-columns: var(--px-outline) minmax(0, 1fr) var(--px-preview);
}

/* —— 大纲（导航，不是内容） —— */
.px-outline {
  min-height: 0;
  overflow: auto;
  padding-bottom: 16px;
  border-right: 1px solid var(--st-border);
  background: color-mix(in srgb, var(--st-surface) 45%, var(--st-bg));
}
.px-outline-head {
  position: sticky;
  top: 0;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 10px;
  border-bottom: 1px solid var(--st-border);
  background: color-mix(in srgb, var(--st-bg) 92%, transparent);
  backdrop-filter: blur(6px);
}
.px-outline-title {
  flex: 1;
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--st-muted);
}
.px-outline-count {
  font-size: 11px;
  color: var(--st-faint);
  font-variant-numeric: tabular-nums;
}
.px-outline-list {
  position: relative;
  padding: 2px 0 4px;
}
/* 发送顺序导轨：这些模块按序拼成一条请求 */
.px-outline-list::before {
  content: "";
  position: absolute;
  top: 4px;
  bottom: 6px;
  left: calc(10px + 20px);
  width: 1px;
  background: color-mix(in srgb, var(--st-border-strong) 60%, transparent);
}
.px-row {
  border-left: 2px solid transparent;
}
.px-outline .px-row {
  flex-wrap: nowrap;
  gap: 5px;
  padding: 0 8px 0 10px;
}
.px-outline .px-row:hover {
  background: color-mix(in srgb, var(--st-text) 4%, transparent);
}
/* 拖动排序：行可抓，落点用一条强调色横线标出 */
.px-outline .px-row {
  position: relative;
}
.px-outline .px-row[data-drag="1"],
.px-outline .px-row[data-drag="1"] .px-row-main {
  cursor: grab;
}
.px-outline .px-row[data-dragging="1"] {
  opacity: 0.4;
}
.px-outline .px-row[data-drop]::after {
  content: "";
  position: absolute;
  left: 8px;
  right: 8px;
  height: 2px;
  border-radius: 1px;
  background: var(--st-accent);
  pointer-events: none;
}
.px-outline .px-row[data-drop="before"]::after {
  top: -1px;
}
.px-outline .px-row[data-drop="after"]::after {
  bottom: -1px;
}
.px-row[data-active="1"] {
  border-left-color: var(--st-accent);
  background: var(--st-accent-soft);
}
.px-row[data-enabled="0"] .px-row-name {
  color: var(--st-faint);
}
.px-switch {
  flex-shrink: 0;
  width: 12px;
  height: 12px;
  margin: 0;
  accent-color: var(--st-accent);
  cursor: pointer;
}
.px-switch[disabled] {
  cursor: default;
  opacity: 0.45;
}
.px-row-main {
  flex: 1;
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 6px 0;
  border: 0;
  background: none;
  color: inherit;
  font: inherit;
  font-size: 12.5px;
  text-align: left;
  cursor: pointer;
}
.px-row-index {
  flex-shrink: 0;
  width: 20px;
  text-align: right;
  font-size: 10.5px;
  color: var(--st-faint);
  font-variant-numeric: tabular-nums;
}
.px-row-name {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.px-row-tag {
  flex-shrink: 0;
  font-size: 10.5px;
  line-height: 1.5;
  padding: 0 4px;
  border: 1px solid var(--st-border);
  border-radius: 3px;
  color: var(--st-faint);
}
.px-row-dot {
  flex-shrink: 0;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--st-danger);
  display: none;
}
.px-row[data-error="1"] .px-row-dot {
  display: block;
}
.px-outline-group {
  margin: 6px 8px 0;
  border-top: 1px solid var(--st-border);
  padding-top: 4px;
}
.px-outline-group > summary {
  padding: 5px 2px;
  font-size: 11.5px;
  color: var(--st-muted);
  cursor: pointer;
  list-style: none;
}
.px-outline-group > summary::before {
  content: "▸ ";
  color: var(--st-faint);
}
.px-outline-group[open] > summary::before {
  content: "▾ ";
}
.px-row-gen {
  margin: 6px 8px 0;
  border-top: 1px solid var(--st-border);
  padding-top: 4px;
}
.px-row-gen .px-row-index {
  font-size: 12px;
}

/* —— 编辑器（主工作面） —— */
.px-editor {
  min-width: 0;
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.px-editor-head {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  padding: 8px 14px;
  border-bottom: 1px solid var(--st-border);
}
.px-editor-name {
  width: 220px;
  font-weight: 600;
}
.px-editor-status {
  font-size: 11.5px;
  color: var(--st-faint);
  font-variant-numeric: tabular-nums;
}
.px-editor-actions {
  margin-left: auto;
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}
.px-editor-body {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  padding: 12px 16px 10px;
  overflow: auto;
}
.px-content {
  flex: 1;
  min-height: 180px;
  width: 100%;
  margin: 0;
  padding: 12px 14px;
  border: 1px solid var(--st-border);
  border-radius: 8px;
  background: var(--st-surface);
  color: var(--st-text);
  font-family: inherit;
  font-size: 13.5px;
  line-height: 1.75;
  resize: none;
}
.px-editor-foot {
  flex-shrink: 0;
  display: flex;
  gap: 12px;
  width: 100%;
  margin: 6px 0 0;
  font-size: 11.5px;
  color: var(--st-faint);
  font-variant-numeric: tabular-nums;
}
.px-marker {
  margin: 0;
  padding: 14px 16px;
  border: 1px dashed var(--st-border-strong);
  border-radius: 8px;
  background: color-mix(in srgb, var(--st-surface) 60%, var(--st-bg));
}
.px-marker-title {
  margin: 0 0 6px;
  font-size: 12.5px;
  font-weight: 600;
}
.px-field-history {
  margin-top: 4px;
}
.px-field-history > span {
  color: var(--st-muted);
}

.px-gen-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 10px 12px;
  width: 100%;
  margin: 0;
}
.px-gen-extra {
  width: 100%;
  margin: 14px 0 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
  gap: 10px 12px;
}
.px-empty {
  margin: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 24px;
  font-size: 13px;
  color: var(--st-muted);
  text-align: center;
}

/* —— 预览（实际消息，与正文并排对照） —— */
.px-preview {
  min-height: 0;
  display: flex;
  flex-direction: column;
  border-left: 1px solid var(--st-border);
  background: color-mix(in srgb, var(--st-surface) 40%, var(--st-bg));
}
.px-preview-head {
  flex-shrink: 0;
  display: flex;
  gap: 6px;
  padding: 8px 10px;
  border-bottom: 1px solid var(--st-border);
}
.px-preview-head .px-select {
  flex: 1;
}
.px-band {
  flex-shrink: 0;
  margin: 8px 10px 0;
  border: 1px solid var(--st-border);
  border-radius: 8px;
  overflow: hidden;
  background: var(--st-surface);
}
.px-band[data-level="error"] {
  border-color: color-mix(in srgb, var(--st-danger) 40%, var(--st-border));
}
.px-band[data-level="warn"] {
  border-color: color-mix(in srgb, #d97706 40%, var(--st-border));
}
.px-band[data-level="ok"] {
  border-color: color-mix(in srgb, var(--st-ok) 30%, var(--st-border));
}
.px-band-summary {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 6px 9px;
  border: 0;
  background: none;
  color: var(--st-muted);
  font: inherit;
  font-size: 11.5px;
  text-align: left;
  cursor: pointer;
}
.px-band-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--st-faint);
  flex-shrink: 0;
}
.px-band[data-level="error"] .px-band-dot {
  background: var(--st-danger);
}
.px-band[data-level="warn"] .px-band-dot {
  background: #d97706;
}
.px-band[data-level="ok"] .px-band-dot {
  background: var(--st-ok);
}
.px-band-caret {
  margin-left: auto;
  color: var(--st-faint);
}
.px-issue-list {
  max-height: 200px;
  overflow: auto;
  border-top: 1px solid var(--st-border);
}
.px-issue {
  display: block;
  width: 100%;
  padding: 5px 9px;
  border: 0;
  border-left: 2px solid transparent;
  background: none;
  color: var(--st-text);
  font: inherit;
  font-size: 11.5px;
  line-height: 1.5;
  text-align: left;
  cursor: pointer;
}
.px-issue:hover {
  background: color-mix(in srgb, var(--st-text) 5%, transparent);
}
.px-issue[data-focus="1"] {
  cursor: pointer;
}
.px-issue[data-level="error"] {
  border-left-color: var(--st-danger);
}
.px-issue[data-level="warn"] {
  border-left-color: #d97706;
}
.px-issue b {
  font-weight: 600;
}
.px-preview-meta {
  flex-shrink: 0;
  margin: 8px 10px 0;
  font-size: 11.5px;
  color: var(--st-faint);
  font-variant-numeric: tabular-nums;
}
.px-messages {
  flex: 1;
  min-height: 0;
  overflow: auto;
  display: flex;
  flex-direction: column;
  gap: 9px;
  padding: 8px 10px 20px;
}
.px-msg {
  border-left: 2px solid var(--st-border);
  padding-left: 8px;
}
.px-msg[data-role="system"] {
  border-color: color-mix(in srgb, var(--st-accent) 60%, var(--st-border));
}
.px-msg[data-role="user"] {
  border-color: color-mix(in srgb, #2f7de1 60%, var(--st-border));
}
.px-msg[data-role="assistant"] {
  border-color: color-mix(in srgb, #3f9d6b 60%, var(--st-border));
}
.px-msg[data-role="tool"] {
  border-color: color-mix(in srgb, #b07a2a 60%, var(--st-border));
}
.px-msg-role {
  display: block;
  margin-bottom: 2px;
  font-size: 10.5px;
  letter-spacing: 0.03em;
  color: var(--st-faint);
  font-variant-numeric: tabular-nums;
}
.px-msg-body {
  font-size: 12.5px;
  line-height: 1.65;
  white-space: pre-wrap;
  word-break: break-word;
}
.px-msg-body[data-clamped="1"] {
  max-height: 10em;
  overflow: hidden;
  mask-image: linear-gradient(to bottom, #000 70%, transparent);
  -webkit-mask-image: linear-gradient(to bottom, #000 70%, transparent);
}
.px-msg-more {
  margin-top: 2px;
  padding: 0;
  border: 0;
  background: none;
  color: var(--st-muted);
  font: inherit;
  font-size: 11px;
  cursor: pointer;
  text-decoration: underline dotted;
}

/* —— 试跑视图 —— */
.px-view-run {
  grid-template-columns: 320px minmax(0, 1fr);
  grid-template-rows: auto minmax(0, 1fr);
}
.px-runbar {
  grid-column: 1 / -1;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 9px 16px;
  border-bottom: 1px solid var(--st-border);
  background: var(--st-surface);
}
.px-runbar-row {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.px-runbar-sep {
  width: 1px;
  height: 16px;
  flex-shrink: 0;
  background: var(--st-border);
}
.px-runbar-case {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--st-text);
  max-width: 240px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.px-runbar-run {
  flex-shrink: 0;
  margin-left: auto;
}
/* —— 模型选择：下拉多选 + 右侧已选条 —— */
.px-picker {
  position: relative;
}
.px-picker-trigger {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.px-picker-count {
  font-variant-numeric: tabular-nums;
  color: var(--st-faint);
}
.px-picker-menu {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  z-index: 40;
  width: min(420px, 82vw);
  max-height: 320px;
  overflow: auto;
  padding: 4px;
  border: 1px solid var(--st-border-strong);
  border-radius: 8px;
  background: var(--st-surface);
  box-shadow: 0 12px 28px color-mix(in srgb, #000 16%, transparent);
}
.px-picker-menu[hidden] {
  display: none;
}
.px-pick-empty {
  margin: 6px 8px;
  font-size: 12px;
  color: var(--st-muted);
}
.px-pick-item {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 5px 8px;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--st-text);
  font-family: var(--st-font-ui);
  font-size: 12px;
  text-align: left;
  cursor: pointer;
}
.px-pick-item:hover:not(:disabled) {
  background: color-mix(in srgb, var(--st-accent) 8%, transparent);
}
.px-pick-item[data-active="1"] {
  background: var(--st-accent-soft);
}
.px-pick-item:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}
.px-pick-check {
  width: 12px;
  flex-shrink: 0;
  color: var(--st-accent);
}
.px-pick-name {
  flex-shrink: 0;
  font-weight: 500;
  max-width: 200px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.px-pick-model {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--st-muted);
  font-size: 11.5px;
}
.px-pick-warn {
  margin-left: auto;
  flex-shrink: 0;
  color: var(--st-danger);
  font-size: 11px;
}
.px-pick-actions {
  display: flex;
  gap: 6px;
  padding: 6px 4px 2px;
  margin-top: 4px;
  border-top: 1px solid var(--st-border);
}

/* 已选条：只占一行，超出就左右拖；文字不可选，点一项取消 */
.px-picked {
  display: flex;
  align-items: center;
  gap: 6px;
  flex: 1 1 auto;
  min-width: 160px;
  min-height: 26px;
  padding: 2px 6px;
  border: 1px solid var(--st-border);
  border-radius: 6px;
  background: var(--st-surface);
  overflow-x: auto;
  overflow-y: hidden;
  white-space: nowrap;
  user-select: none;
  -webkit-user-select: none;
  cursor: grab;
  scrollbar-width: thin;
}
.px-picked[data-dragging="1"] {
  cursor: grabbing;
}
.px-picked-empty {
  font-size: 11.5px;
  color: var(--st-faint);
}
.px-picked-chip {
  flex: 0 0 auto;
  max-width: 260px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  padding: 2px 8px;
  border: 1px solid var(--st-border-strong);
  border-radius: 999px;
  background: var(--st-accent-soft);
  color: var(--st-text);
  font-family: var(--st-font-ui);
  font-size: 11.5px;
  cursor: pointer;
}
.px-picked-chip:hover {
  border-color: var(--st-danger);
  color: var(--st-danger);
}
.px-picked-x {
  margin-left: 6px;
  opacity: 0.55;
}
.px-caselist {
  min-height: 0;
  overflow: auto;
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 8px;
  border-right: 1px solid var(--st-border);
  background: color-mix(in srgb, var(--st-surface) 45%, var(--st-bg));
}
.px-case {
  display: flex;
  align-items: center;
  gap: 4px;
  border-radius: 6px;
}
.px-case[data-active="1"] {
  background: var(--st-accent-soft);
}
.px-case-main {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 1px;
  padding: 5px 8px;
  border: 0;
  border-radius: 6px;
  background: none;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
}
.px-case-name {
  font-size: 12.5px;
}
.px-case-snippet {
  font-size: 11px;
  color: var(--st-faint);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.px-results-pane {
  min-height: 0;
  display: flex;
  flex-direction: column;
}
.px-results-head {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  padding: 8px 16px;
  border-bottom: 1px solid var(--st-border);
}
.px-results-hint {
  margin-left: auto;
}
.px-results {
  flex: 1;
  min-height: 0;
  overflow: auto;
  align-content: start;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 12px;
  padding: 12px 16px 24px;
}
.px-result {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 10px 12px;
  border: 1px solid var(--st-border);
  border-radius: 10px;
  background: var(--st-surface);
}
.px-result[data-verdict="success"] {
  border-color: color-mix(in srgb, var(--st-ok) 55%, var(--st-border));
}
.px-result[data-verdict="failure"] {
  border-color: color-mix(in srgb, var(--st-danger) 55%, var(--st-border));
}
.px-result-head {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  font-size: 12px;
}
.px-result-head b {
  font-weight: 600;
}
.px-verdict {
  margin-left: auto;
  display: flex;
  gap: 4px;
}
.px-verdict .px-btn[data-active="1"] {
  border-color: var(--st-accent);
  background: var(--st-accent-soft);
}
.px-result-body {
  font-size: 12.5px;
  line-height: 1.65;
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 22em;
  overflow: auto;
  padding-left: 8px;
  border-left: 2px solid color-mix(in srgb, var(--st-border-strong) 70%, transparent);
}
.px-details {
  margin-top: 2px;
}
.px-details > summary {
  font-size: 11.5px;
  color: var(--st-muted);
  cursor: pointer;
}
.px-details .px-messages {
  max-height: 260px;
  margin-top: 6px;
  padding: 6px 0 0;
  border-top: 1px solid var(--st-border);
}

/* —— 大浮窗（用例表单） —— */
body[data-modal="on"] {
  overflow: hidden;
}
.px-modal {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 90;
  width: min(1080px, 94vw);
  height: min(78vh, 860px);
  display: flex;
  flex-direction: column;
  background: var(--st-surface);
  border: 1px solid var(--st-border-strong);
  border-radius: 12px;
  box-shadow: 0 18px 50px color-mix(in srgb, #000 22%, transparent);
  overflow: hidden;
}
.px-modal[hidden] {
  display: none;
}
.px-modal-head {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--st-border);
}
.px-modal-head h2 {
  margin: 0;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
}
.px-modal-body {
  flex: 1;
  min-height: 0;
  overflow: auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 14px 16px 12px;
}
.px-case-grid {
  display: grid;
  grid-template-columns: minmax(0, 360px) minmax(0, 1fr);
  gap: 16px;
  align-items: start;
}
.px-case-col {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 0;
}
.px-case-col-history {
  padding-right: 2px;
}
.px-modal-foot {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  padding-top: 10px;
  border-top: 1px solid var(--st-border);
}
.px-modal-foot .px-hint {
  margin: 0;
}
.px-modal-foot-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* —— 遮罩与右侧抽屉（版本） —— */
.px-scrim {
  position: fixed;
  inset: 0;
  z-index: 80;
  background: color-mix(in srgb, #000 20%, transparent);
}
.px-scrim[hidden] {
  display: none;
}
.px-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  z-index: 90;
  width: min(390px, 94vw);
  display: flex;
  flex-direction: column;
  background: var(--st-surface);
  border-left: 1px solid var(--st-border-strong);
  box-shadow: -10px 0 28px color-mix(in srgb, #000 14%, transparent);
}
.px-drawer[hidden] {
  display: none;
}
.px-drawer-head {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--st-border);
}
.px-drawer-head h2 {
  margin: 0;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
}
.px-drawer-body {
  flex: 1;
  min-height: 0;
  overflow: auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 12px 14px 24px;
}
.px-drawer-body .px-row {
  margin-top: 2px;
}

/* —— 版本树 —— */
#version-tree {
  display: flex;
  flex-direction: column;
  gap: 2px;
  max-height: 46vh;
  overflow: auto;
}
.px-ver {
  position: relative;
  display: flex;
  align-items: stretch;
  gap: 6px;
  width: 100%;
  padding: 4px 8px 4px 6px;
  border: 1px solid transparent;
  border-radius: 6px;
  background: none;
  color: inherit;
  font: inherit;
  font-size: 12px;
  line-height: 1.45;
  text-align: left;
  cursor: pointer;
}
.px-ver:hover {
  background: color-mix(in srgb, var(--st-text) 5%, transparent);
}
.px-ver[data-current="1"] {
  border-color: color-mix(in srgb, var(--st-accent) 55%, var(--st-border));
  background: var(--st-accent-soft);
}
.px-ver[data-selected="1"] {
  box-shadow: inset 3px 0 0 var(--st-accent);
}
.px-ver small {
  display: block;
  font-size: 11px;
  color: var(--st-faint);
}

/* —— 版本树图线 —— */
.px-ver-graph {
  position: relative;
  flex-shrink: 0;
}
.px-ver-line,
.px-ver-join {
  position: absolute;
  background: color-mix(in srgb, var(--st-border-strong) 85%, transparent);
}
.px-ver-line {
  width: 2px;
}
.px-ver-join {
  top: 50%;
  height: 2px;
  margin-top: -1px;
}
.px-ver-dot {
  position: absolute;
  top: 50%;
  width: 7px;
  height: 7px;
  margin-top: -3.5px;
  border-radius: 50%;
  border: 1.5px solid color-mix(in srgb, var(--st-border-strong) 90%, transparent);
  background: var(--st-surface);
}
.px-ver[data-current="1"] .px-ver-dot,
.px-ver-dot[data-head="1"] {
  border-color: var(--st-accent);
  background: var(--st-accent);
}
.px-ver-main {
  min-width: 0;
  flex: 1;
}
.px-ver-title {
  display: flex;
  align-items: center;
  gap: 6px;
  font-variant-numeric: tabular-nums;
}
.px-ver-badge {
  flex-shrink: 0;
  padding: 0 4px;
  border-radius: 3px;
  background: var(--st-accent);
  color: #fff;
  font-size: 10px;
  font-style: normal;
  line-height: 15px;
}

/* —— 节点操作菜单 —— */
.px-ver-menu {
  position: fixed;
  z-index: 120;
  min-width: 210px;
  max-width: 300px;
  padding: 4px;
  border: 1px solid var(--st-border-strong);
  border-radius: 8px;
  background: var(--st-surface);
  box-shadow: 0 10px 26px color-mix(in srgb, #000 18%, transparent);
}
.px-ver-menu-head {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 6px 8px;
  border-bottom: 1px solid var(--st-border);
  margin-bottom: 4px;
}
.px-ver-menu-title {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}
.px-ver-menu-note {
  font-size: 11.5px;
  color: var(--st-text);
}
.px-ver-menu-item {
  display: block;
  width: 100%;
  padding: 6px 8px;
  border: 0;
  border-radius: 5px;
  background: none;
  color: inherit;
  font: inherit;
  font-size: 12px;
  text-align: left;
  cursor: pointer;
}
.px-ver-menu-item:hover {
  background: var(--st-accent-soft);
}

/* —— 宏联想 —— */
.px-suggest {
  position: absolute;
  z-index: 95;
  max-width: 300px;
  padding: 4px;
  border: 1px solid var(--st-border-strong);
  border-radius: 8px;
  background: var(--st-surface);
  box-shadow: 0 8px 24px color-mix(in srgb, #000 16%, transparent);
  font-size: 12px;
}
.px-suggest-row {
  padding: 4px 8px;
  border-radius: 6px;
  cursor: pointer;
}
.px-suggest-row:hover {
  background: color-mix(in srgb, var(--st-text) 6%, transparent);
}
.px-suggest-row span {
  margin-left: 6px;
  color: var(--st-faint);
}

/* —— 响应式 —— */
@media (max-width: 1500px) {
  :root {
    --px-outline: 220px;
    --px-preview: 330px;
  }
}

/* 预览退成浮层：编辑区优先保留连续宽度 */
@media (max-width: 1180px) {
  .px-view-edit {
    grid-template-columns: var(--px-outline) minmax(0, 1fr);
  }
  .px-preview {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    z-index: 70;
    width: min(420px, 92vw);
    border-left: 1px solid var(--st-border-strong);
    box-shadow: -10px 0 28px color-mix(in srgb, #000 14%, transparent);
  }
  body[data-preview="off"] .px-preview {
    display: none;
  }
}

/* 窄窗：大浮窗退回单列，改上下排 */
@media (max-width: 900px) {
  .px-modal {
    width: 96vw;
    height: 88vh;
  }
  .px-case-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* 窄窗：大纲退成浮层，单列编辑 */
@media (max-width: 860px) {
  .px-view-edit {
    grid-template-columns: minmax(0, 1fr);
  }
  .px-outline {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 72;
    width: min(320px, 88vw);
    background: var(--st-surface);
    border-right: 1px solid var(--st-border-strong);
    box-shadow: 10px 0 28px color-mix(in srgb, #000 14%, transparent);
  }
  body[data-outline="off"] .px-outline {
    display: none;
  }
  .px-idbar {
    flex-wrap: wrap;
  }
  .px-id-main {
    order: 1;
    width: 100%;
  }
  .px-id-actions {
    order: 2;
    width: 100%;
    overflow-x: auto;
  }
  .px-view-run {
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: auto auto minmax(0, 1fr);
  }
  .px-caselist {
    flex-direction: row;
    overflow-x: auto;
    overflow-y: hidden;
    border-right: 0;
    border-bottom: 1px solid var(--st-border);
    padding: 6px 8px;
  }
  .px-case {
    flex-shrink: 0;
    max-width: 200px;
  }
  .px-results {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* 窄窗下才出现「顺序」入口 */
.px-only-narrow {
  display: none;
}
@media (max-width: 860px) {
  .px-only-narrow {
    display: inline-flex;
  }
}

/* 预览退成浮层后，需要在编辑器里留一个打开入口 */
.px-preview-launcher {
  display: none;
}
@media (max-width: 1180px) {
  .px-preview-launcher {
    display: inline-flex;
  }
}