:root {
  --bg: #f0f4f8;
  --surface: #fff;
  --border: #e2e8f0;
  --text: #0f172a;
  --muted: #64748b;
  /* 主操作：饱和靛蓝（比对答案 / 分析；避免旧 #8e9cef 过浅发灰） */
  --accent: #4f46e5;
  --accent-hover: #4338ca;
  --compare-active-ring: rgba(79, 70, 229, 0.38);
  /* 采集答案：青绿，与比对主按钮区分 */
  --collect-accent: #0d9488;
  --collect-accent-hover: #0f766e;
  --collect-active-ring: rgba(13, 148, 136, 0.38);
  /* 展开的问题卡片：顶栏 + 正文区总高度上限；正文超出在 .turn-card__body 内滚动 */
  --turn-card-expanded-max-height: min(84vh, 780px);
  /* 展开态视口布局：展开卡最小高度（视口过矮时允许外层滚动） */
  --turn-card-expanded-min-h: 240px;
  /* 比对列纵向滚动条：尽量窄，减轻内外双层并排占位 */
  --cmp-scrollbar-size: 4px;
  --cmp-scrollbar-thumb: rgba(100, 116, 139, 0.38);
  --cmp-scrollbar-thumb-hover: rgba(71, 85, 105, 0.52);
  /* 比对列间距（字号保持 13–15px，仅调 layout / gap） */
  --cmp-ui-gap: 8px;
  --cmp-ui-gap-sm: 6px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  height: 100%;
  overflow: hidden;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  font-size: 14px;
  color: var(--text);
  background: var(--bg);
}

body {
  display: flex;
  flex-direction: column;
}

.cmp-app {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
  height: auto;
}

.cmp-panel {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
  margin: 0;
  /* 问题卡片尽量贴齐比对列外缘，仅保留下沿呼吸 */
  padding: 0 0 6px;
  border: none;
  border-radius: 0;
  background: transparent;
  overflow: hidden;
  box-shadow: none;
}

.turn-stack {
  flex: 1;
  overflow: auto;
  /* 左右仅留极小间距；滚动条贴列右缘，不 stable 预留双槽 */
  padding: 8px 2px 10px 4px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 0;
  scrollbar-gutter: auto;
}

/* 比对列可滚动区：窄滚动条（.turn-stack / 卡片正文 / 答案摘要） */
.turn-stack,
.turn-card__body,
.turn-preview__answer-peek,
.turn-preview__excerpt-scroll,
.turn-card__title-tip {
  scrollbar-width: thin;
  scrollbar-color: var(--cmp-scrollbar-thumb) transparent;
}

.turn-stack::-webkit-scrollbar,
.turn-card__body::-webkit-scrollbar,
.turn-preview__answer-peek::-webkit-scrollbar,
.turn-preview__excerpt-scroll::-webkit-scrollbar,
.turn-card__title-tip::-webkit-scrollbar {
  width: var(--cmp-scrollbar-size);
  height: var(--cmp-scrollbar-size);
}

.turn-stack::-webkit-scrollbar-track,
.turn-card__body::-webkit-scrollbar-track,
.turn-preview__answer-peek::-webkit-scrollbar-track,
.turn-preview__excerpt-scroll::-webkit-scrollbar-track,
.turn-card__title-tip::-webkit-scrollbar-track {
  background: transparent;
}

.turn-stack::-webkit-scrollbar-thumb,
.turn-card__body::-webkit-scrollbar-thumb,
.turn-preview__answer-peek::-webkit-scrollbar-thumb,
.turn-preview__excerpt-scroll::-webkit-scrollbar-thumb,
.turn-card__title-tip::-webkit-scrollbar-thumb {
  border-radius: 999px;
  background: var(--cmp-scrollbar-thumb);
}

.turn-stack::-webkit-scrollbar-thumb:hover,
.turn-card__body::-webkit-scrollbar-thumb:hover,
.turn-preview__answer-peek::-webkit-scrollbar-thumb:hover,
.turn-preview__excerpt-scroll::-webkit-scrollbar-thumb:hover,
.turn-card__title-tip::-webkit-scrollbar-thumb:hover {
  background: var(--cmp-scrollbar-thumb-hover);
}

.turn-stack__empty {
  padding: 40px 8px;
  text-align: center;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}

.turn-stack__empty--intro {
  padding: 20px 12px 28px;
  text-align: left;
}

/* 空态 · 方案二：功能介绍卡 */
.cmp-empty-intro {
  max-width: 320px;
  margin: 0 auto;
  padding: 20px 18px 18px;
  text-align: left;
  border-radius: 12px;
  border: 1px solid rgba(79, 70, 229, 0.12);
  background: linear-gradient(165deg, #eef2ff 0%, #faf5ff 48%, #fff 100%);
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.06);
}

.cmp-empty-intro__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  margin-bottom: 14px;
  border-radius: 10px;
  background: rgba(79, 70, 229, 0.1);
  color: var(--accent);
}

.cmp-empty-intro__icon svg {
  display: block;
  width: 22px;
  height: 22px;
}

.cmp-empty-intro__title {
  margin: 0 0 16px;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--text);
  letter-spacing: -0.01em;
}

.cmp-empty-intro__features {
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
}

.cmp-empty-intro__feature {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  margin: 0 0 10px;
  font-size: 12px;
  line-height: 1.5;
  color: var(--text);
}

.cmp-empty-intro__feature:last-child {
  margin-bottom: 0;
}

.cmp-empty-intro__feature-mark {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  margin-top: 1px;
  border-radius: 50%;
  background: rgba(79, 70, 229, 0.12);
  color: var(--accent);
  font-size: 11px;
  font-weight: 700;
  line-height: 18px;
  text-align: center;
}

.cmp-empty-intro__feature-text strong {
  font-weight: 600;
  color: var(--text);
}

.cmp-empty-intro__actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.cmp-empty-intro__cta {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 9px 16px;
  border: none;
  border-radius: 8px;
  font: inherit;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.cmp-empty-intro__cta--primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 1px 2px rgba(79, 70, 229, 0.35);
}

.cmp-empty-intro__cta--primary:hover {
  background: var(--accent-hover);
}

.cmp-empty-intro__cta--secondary {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
}

.cmp-empty-intro__cta--secondary:hover {
  background: #f8fafc;
  border-color: #cbd5e1;
}

.cmp-empty-intro__cta:focus-visible {
  outline: 2px solid var(--compare-active-ring);
  outline-offset: 2px;
}

.cmp-empty-intro__footnote {
  margin: 12px 0 0;
  font-size: 11px;
  line-height: 1.45;
  color: var(--muted);
  text-align: center;
}

.turn-stack__empty-hint {
  margin: 0 0 14px;
  color: var(--text);
  font-size: 13px;
  line-height: 1.55;
}

.turn-stack__empty-muted {
  margin: 10px 0 0;
  font-size: 11px;
  color: var(--muted);
  line-height: 1.5;
}

.turn-stack__empty-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto;
  padding: 8px 18px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  font: inherit;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.06);
}

.turn-stack__empty-cta:hover {
  background: #f1f5f9;
  border-color: #cbd5e1;
}

.turn-stack__empty-cta:focus-visible {
  outline: 2px solid var(--compare-active-ring, #93c5fd);
  outline-offset: 2px;
}

.turn-card {
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface);
  overflow: hidden;
  /* .turn-stack 为 flex 列；默认可被内容撑出 min-height，影响子级滚动与外层滚动 */
  min-height: 0;
}

/* 有正文展开时：整卡限高，仅 .turn-card__body 纵向滚动（采集区 + 比对结果一起滚） */
.turn-card.is-expanded,
.turn-card.is-active {
  display: flex;
  flex-direction: column;
  max-height: var(--turn-card-expanded-max-height);
  min-height: 0;
}

/* 方案A（无动态视口布局时）：激活且展开的问题卡在 .turn-stack 内竖直吃满剩余高度 */
.turn-stack:not(.is-viewport-layout) > .turn-card.is-active.is-expanded {
  flex: 1;
  min-height: 0;
}

/* 展开态视口布局：按 .turn-stack 实测高度固定展开卡，上下相邻折叠标题行完整展示 */
.turn-stack.is-viewport-layout > .turn-card.is-active.is-expanded {
  flex: 0 0 auto;
  height: var(--turn-card-expanded-target-h);
  min-height: var(--turn-card-expanded-target-h);
  max-height: var(--turn-card-expanded-target-h);
}

.turn-stack.is-viewport-layout > .turn-card:not(.is-expanded) {
  flex-shrink: 0;
}

.turn-card.is-expanded .turn-card__head,
.turn-card.is-active .turn-card__head {
  flex-shrink: 0;
}

.turn-card__head {
  display: flex;
  flex-direction: column;
  background: #f8fafc;
}

.turn-card.is-expanded .turn-card__head,
.turn-card.is-active .turn-card__head {
  border-bottom: 1px solid var(--border);
}

.turn-card__bar {
  display: block;
  width: 100%;
  padding: 8px 10px;
  border: none;
  background: #f8fafc;
  cursor: pointer;
  text-align: left;
  font: inherit;
  color: inherit;
}

.turn-card.is-active {
  border-color: #93c5fd;
  box-shadow: 0 0 0 2px var(--compare-active-ring);
}

.turn-card__bar:hover {
  background: #f1f5f9;
}

.turn-card__bar-row {
  display: flex;
  align-items: flex-start;
  gap: 6px;
  width: 100%;
}

.turn-card__title-wrap {
  flex: 1;
  min-width: 0;
  position: relative;
  font-size: 13px;
  font-weight: 600;
  line-height: 1.45;
  text-align: left;
}

.turn-card__title-wrap.is-clamped {
  cursor: default;
}

.turn-card__bar--split.is-clamped {
  cursor: default;
}

.turn-card__title-line {
  word-break: break-word;
}

.turn-card__title-line--row1 {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 1;
  overflow: hidden;
}

.turn-card__bar-subrow {
  display: flex;
  align-items: center;
  gap: var(--cmp-ui-gap);
  width: 100%;
  margin-top: 2px;
}

.turn-card__title-wrap--row1 {
  flex: 1;
  min-width: 0;
  position: relative;
}

.turn-card__title-wrap--row2 {
  flex: 1 1 auto;
  min-width: 0;
  overflow: hidden;
  position: relative;
  font-size: 13px;
  font-weight: 600;
  line-height: 1.45;
}

.turn-card__title-wrap--row2.is-empty {
  display: none;
}

.turn-card__bar-subrow.is-phases-only {
  justify-content: flex-end;
  margin-top: 2px;
}

.turn-card__bar-subrow.is-phases-only > .turn-card__phases {
  flex: 0 1 auto;
}

.turn-card__title-line--row2 {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 1;
  overflow: hidden;
  word-break: break-word;
}

.turn-card__title-measure {
  position: absolute;
  visibility: hidden;
  pointer-events: none;
  left: 0;
  top: 0;
  font-size: 13px;
  font-weight: 600;
  line-height: 1.45;
  word-break: break-word;
}

.turn-card__bar-subrow > .turn-card__phases {
  flex: 0 0 auto;
  min-width: 0;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: nowrap;
  gap: 3px 5px;
  margin-top: 0;
  padding: 0;
  font-size: 11px;
  line-height: 1.35;
  color: var(--muted);
  background: transparent;
}

.turn-card__bar--split .turn-card__title-tip {
  left: 0;
  right: 0;
}

.turn-card__bar--split.is-clamped:hover .turn-card__title-tip,
.turn-card__bar--split.is-clamped:focus-within .turn-card__title-tip {
  opacity: 1;
  visibility: visible;
}

.turn-card__title-prefix {
  font-weight: 600;
  color: var(--muted);
  white-space: nowrap;
}

.turn-card__title-text {
  font-weight: 600;
}

.turn-card__title-tip {
  position: absolute;
  left: 0;
  right: 0;
  top: calc(100% + 4px);
  z-index: 30;
  padding: 8px 10px;
  border-radius: 8px;
  background: #1e293b;
  color: #f8fafc;
  font-size: 12px;
  font-weight: 500;
  line-height: 1.45;
  white-space: pre-wrap;
  word-break: break-word;
  max-height: min(40vh, 280px);
  overflow-y: auto;
  box-shadow: 0 4px 14px rgba(15, 23, 42, 0.22);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.12s ease;
}

.turn-card__bar--split {
  position: relative;
}

.turn-card__title-wrap.is-clamped:hover .turn-card__title-tip,
.turn-card__title-wrap.is-clamped:focus-within .turn-card__title-tip {
  opacity: 1;
  visibility: visible;
}

.turn-card__chevron {
  font-size: 10px;
  color: var(--muted);
  flex-shrink: 0;
  padding-top: 1px;
}

.turn-card__phases-seg {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  white-space: nowrap;
}

.turn-card__phases-seg--done {
  color: #52c41a;
}

.turn-card__phases-seg--active {
  color: #4f46e5;
  font-weight: 700;
}

.turn-card__phases-seg--todo {
  opacity: 0.55;
}

.turn-card__phases-seg--skip {
  opacity: 0.5;
}

.turn-card__phases-sym {
  font-size: 9px;
  flex-shrink: 0;
}

.turn-card__phases-label {
  font-weight: 600;
}

.turn-card__phases-sep {
  color: #cbd5e1;
  user-select: none;
}

/* 采集中：列表上方 indeterminate 细轨 + 斜纹 */
.cmp-collect-bar {
  height: 4px;
  border-radius: 3px;
  background: #e2e8f0;
  overflow: hidden;
  margin: 0 0 10px;
}

.cmp-collect-bar__fill {
  height: 100%;
  width: 42%;
  border-radius: 3px;
  background-color: #94a3b8;
  background-image: repeating-linear-gradient(
    -45deg,
    rgba(255, 255, 255, 0) 0,
    rgba(255, 255, 255, 0) 5px,
    rgba(255, 255, 255, 0.2) 5px,
    rgba(255, 255, 255, 0.2) 10px
  );
  background-size: 20px 20px;
  animation: cmp-collect-slide 1.1s ease-in-out infinite alternate;
}

@keyframes cmp-collect-slide {
  0% {
    transform: translateX(-30%);
  }
  100% {
    transform: translateX(190%);
  }
}

.turn-preview__recollect {
  margin-left: 4px;
  flex-shrink: 0;
  padding: 2px 6px;
  border: none;
  border-radius: 4px;
  background: transparent;
  font: inherit;
  font-size: 12px;
  font-weight: 600;
  color: #6366f1;
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.turn-preview__recollect:hover {
  color: #4f46e5;
  background: rgba(99, 102, 241, 0.08);
}

.btn-recollect-all {
  display: none;
  align-items: center;
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
  font: inherit;
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
  cursor: pointer;
  flex-shrink: 0;
}

.btn-recollect-all:hover:not(:disabled) {
  border-color: #c7d2fe;
  color: var(--text);
  background: #f8fafc;
}

.btn-recollect-all:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.turn-card__body {
  display: none;
  padding: 10px;
  border-top: 1px solid var(--border);
  flex: 1 1 auto;
  min-height: 0;
  overflow-x: hidden;
  overflow-y: auto;
  /* 触底/触顶后继续滚轮交给外层 .turn-stack（勿用 contain，否则会锁住列表滚动） */
  overscroll-behavior-y: auto;
  -webkit-overflow-scrolling: touch;
  /* 内层不 stable，避免与 .turn-stack 双 gutter 挤占列宽 */
  scrollbar-gutter: auto;
}

.turn-card.is-expanded .turn-card__body,
.turn-card.is-active .turn-card__body {
  display: flex;
  flex-direction: column;
}

/* --- 比对结果阅读模式：首屏偏观点区，原始答案区弱化 --- */
.turn-card--result-focus.turn-card.is-expanded,
.turn-card--result-focus.turn-card.is-active {
  max-height: var(--turn-card-expanded-max-height);
}

.turn-stack.is-viewport-layout > .turn-card--result-focus.turn-card.is-expanded,
.turn-stack.is-viewport-layout > .turn-card--result-focus.turn-card.is-active.is-expanded {
  max-height: var(--turn-card-expanded-target-h);
}

.turn-card__body--result-focus {
  scroll-behavior: auto;
}

/* 结果阅读且未解锁：预览区不参与布局，避免 flex:1 的结果区占满视口导致 scrollHeight 无法超过 clientHeight、无法滚走答案 */
.turn-card__body--result-focus > .turn-preview.turn-preview--result-collapsed {
  display: none;
}

.turn-card__view-raw-escape {
  flex-shrink: 0;
  margin: 0 0 var(--cmp-ui-gap);
}

/* 结果阅读未解锁：「查看原始答案」与结果条（耗时 + 重新比对）同一行，条整体靠右 */
.turn-card__view-raw-escape--focus-toolbar-row {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: var(--cmp-ui-gap);
  flex-wrap: nowrap;
}

.turn-card__view-raw-cell {
  flex: 0 0 auto;
}

.turn-card__result-focus-bar-slot {
  flex: 1 1 auto;
  min-width: 0;
  display: flex;
  justify-content: flex-end;
  align-items: center;
}

.turn-card__result-focus-bar-slot .result-panel__bar {
  margin-bottom: 0;
  flex: 1 1 auto;
  min-width: 0;
  flex-wrap: nowrap;
  justify-content: flex-end;
  gap: var(--cmp-ui-gap-sm);
  font-size: 13px;
}

.turn-card__result-focus-bar-slot .result-panel__bar > span:first-child {
  flex: 0 1 auto;
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.turn-card__result-focus-bar-slot .result-panel__bar-actions {
  flex: 0 0 auto;
}

.turn-card__result-focus-bar-slot .result-panel__bar button {
  padding: 5px 10px;
  font-size: 13px;
  line-height: 1.3;
  white-space: nowrap;
}

.turn-preview--result-collapsed .turn-preview__platform {
  padding: 5px 6px;
  margin-bottom: 4px;
}

.turn-preview--result-collapsed .turn-preview__platform-head {
  margin-bottom: 0;
}

.turn-preview--result-collapsed .turn-preview__answer-box {
  max-height: 52px;
  min-height: 40px;
}

.turn-preview--result-collapsed .turn-preview__answer-peek {
  max-height: 44px;
  padding: 3px 5px;
}

.turn-preview__view-raw-row {
  margin: 0 0 8px;
  display: flex;
  justify-content: flex-start;
}

.turn-preview__view-raw {
  padding: 6px 12px;
  border: 1px dashed #c7d2fe;
  border-radius: 6px;
  background: #f5f3ff;
  font: inherit;
  font-size: 13px;
  font-weight: 600;
  line-height: 1.35;
  white-space: nowrap;
  color: #4338ca;
  cursor: pointer;
}

.turn-preview__view-raw:hover {
  background: #ede9fe;
  border-color: #a5b4fc;
}

.turn-results--focus-anchor {
  min-height: 0;
}

.turn-card__body > .turn-preview,
.turn-card__body > .turn-results {
  flex-shrink: 0;
}

/* 结果阅读态：结果列占满正文剩余高度（有无观点一致） */
.turn-card__body--result-focus > .turn-results {
  flex: 1 1 auto;
  min-height: 0;
  display: flex;
  flex-direction: column;
}

/* 比对进行中：进度块在答案区（.turn-results）内垂直居中，不改变卡片固定高度 */
.turn-card__body--result-focus > .turn-results:has(.cmp-compare-prog) {
  justify-content: center;
}

.turn-card__body--result-focus > .turn-results:has(.cmp-compare-prog) .cmp-compare-prog {
  flex: 0 0 auto;
  width: 100%;
  margin: 0;
}

.turn-card.is-active:not(.is-expanded) .turn-card__bar {
  border-bottom: none;
}

.turn-preview__platforms {
  list-style: none;
  margin: 0 0 10px;
  padding: 0;
}

.turn-preview__platform {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 8px;
  margin-bottom: 6px;
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
}

.turn-preview__platform:hover {
  background: #f8fafc;
}

.turn-preview__platform input {
  margin-top: 3px;
  flex-shrink: 0;
}

.turn-preview__platform-main {
  flex: 1;
  min-width: 0;
  min-height: 0;
}

.turn-preview__platform-head {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 2px;
}

.turn-preview__platform--completed .turn-preview__platform-head {
  cursor: pointer;
}

.turn-preview__platform-head img {
  width: 16px;
  height: 16px;
}

.turn-preview__platform-name {
  font-size: 13px;
  font-weight: 700;
}

.turn-preview__platform-status {
  font-size: 12px;
  margin-left: auto;
}

.turn-preview__platform-status--ok {
  color: #52c41a;
}

.turn-preview__platform-status--wait {
  color: #b45309;
}

/* 采集结果：收起态随摘要增高、封顶；展开态随全文增高、封顶后区内滚动 */
.turn-preview__answer-box {
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
  background: #fafbfc;
  height: auto;
  min-height: 48px;
  max-height: 100px;
}

.turn-preview__answer-box.is-expanded {
  height: auto;
  max-height: min(52vh, 280px);
  min-height: 0;
}

.turn-preview__answer-collapse {
  display: none;
  flex-shrink: 0;
  width: 100%;
  margin: 0;
  padding: 4px 8px;
  border: none;
  border-bottom: 1px solid var(--border);
  background: #eef2f7;
  font: inherit;
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
  text-align: center;
  cursor: pointer;
}

.turn-preview__answer-collapse:hover {
  background: #e2e8f0;
  color: var(--text);
}

.turn-preview__answer-box.is-expanded .turn-preview__answer-collapse {
  display: block;
}

.turn-preview__answer-peek {
  flex: 0 1 auto;
  min-height: 0;
  max-height: 100px;
  padding: 4px 6px;
  cursor: pointer;
  overflow-x: hidden;
  overflow-y: auto;
  scrollbar-gutter: auto;
  outline: none;
}

.turn-preview__answer-peek:focus-visible {
  box-shadow: inset 0 0 0 2px var(--compare-active-ring);
}

.turn-preview__answer-box.is-expanded .turn-preview__answer-peek {
  display: none;
}

.turn-preview__answer-full {
  display: none;
  flex: 0 1 auto;
  flex-direction: column;
  min-height: 0;
  max-height: min(48vh, 252px);
}

.turn-preview__answer-box.is-expanded .turn-preview__answer-full {
  display: flex;
}

/* 全文：随内容变矮，过长时在区内滚动 */
.turn-preview__excerpt-scroll {
  flex: 0 1 auto;
  min-width: 0;
  min-height: 0;
  max-height: min(46vh, 236px);
  padding: 4px 6px;
  overflow-x: hidden;
  overflow-y: auto;
  overscroll-behavior-y: auto;
  -webkit-overflow-scrolling: touch;
  touch-action: pan-y;
  scrollbar-gutter: auto;
}

.turn-preview__answer-box.is-expanded .turn-preview__excerpt-scroll {
  cursor: pointer;
}

.turn-preview__answer-peek .turn-preview__excerpt {
  margin: 0;
}

.turn-preview__excerpt {
  margin: 0;
  font-size: 13px;
  color: #334155;
  line-height: 1.55;
  white-space: pre-wrap;
  word-break: break-word;
}

.turn-preview__actions {
  display: flex;
  align-items: center;
  flex-wrap: nowrap;
  gap: 10px;
  min-height: 36px;
}

.turn-preview__count {
  flex-shrink: 0;
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
}

.btn-compare {
  margin-left: auto;
  flex-shrink: 0;
  padding: 8px 16px;
  border: none;
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  line-height: 1.35;
  cursor: pointer;
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.12);
}

.btn-compare:hover:not(:disabled) {
  background: var(--accent-hover);
  box-shadow: 0 2px 6px rgba(67, 56, 202, 0.35);
}

.btn-compare:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

/* 比对流程进行中（分析中…）：中性灰，与靛蓝默认可区分 */
.btn-compare--running:not(.btn-compare--collect) {
  background: #64748b;
}

/* 采集流程进行中（采集中…） */
.btn-compare--collect.btn-compare--running {
  background: #115e59;
}

.btn-compare--collect:not(.btn-compare--running):not(.btn-compare--done) {
  background: var(--collect-accent);
}

.btn-compare--collect:not(.btn-compare--running):not(.btn-compare--done):hover:not(:disabled) {
  background: var(--collect-accent-hover);
  box-shadow: 0 2px 6px var(--collect-active-ring);
}

.btn-compare--done {
  opacity: 0.95;
}

/* --- 邮箱登录顶栏（cmp-auth.js） --- */
.cmp-auth-bar {
  flex-shrink: 0;
  padding: 8px 4px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  font-size: 13px;
}

.cmp-auth-row-inner {
  display: flex;
  align-items: center;
  gap: 10px;
}

.cmp-auth-limits-link {
  margin-left: auto;
  font-size: 12px;
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
}

.cmp-auth-limits-link:hover {
  text-decoration: underline;
}

.cmp-auth-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 6px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #fff;
  cursor: pointer;
  font-weight: 600;
  color: var(--text);
}

.cmp-auth-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.cmp-auth-hint,
.cmp-auth-label {
  color: var(--muted);
  font-size: 12px;
}

.cmp-auth-captcha-img {
  flex: 0 0 auto;
  height: 36px;
  width: auto;
  max-width: 120px;
  object-fit: contain;
  vertical-align: middle;
  border: 1px solid var(--border);
  border-radius: 6px;
}

.cmp-auth-modal {
  position: fixed;
  inset: 0;
  z-index: 9999;
}

.cmp-auth-modal.hidden {
  display: none;
}

.cmp-auth-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.45);
}

.cmp-auth-modal__panel {
  position: relative;
  width: min(268px, calc(100vw - 24px));
  max-width: 268px;
  margin: 8vh auto;
  background: #fff;
  border-radius: 10px;
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 8px;
  box-shadow: 0 10px 36px rgba(15, 23, 42, 0.12);
}

.cmp-auth-modal__title {
  font-weight: 700;
  font-size: 15px;
  margin-bottom: 2px;
}

.cmp-auth-modal__err {
  color: #b91c1c;
  font-size: 13px;
}

.cmp-auth-modal__err.hidden {
  display: none;
}

.cmp-auth-modal label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 12px;
  color: var(--muted);
}

.cmp-auth-modal input {
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 13px;
}

/* 与 chatunion 全屏登录弹框第二行一致：图形答案 | 图 | 换一张 */
.cmp-auth-modal__captcha-strip {
  display: flex;
  align-items: center;
  gap: 8px;
}

.cmp-auth-modal__captcha-ans {
  flex: 1 1 0;
  min-width: 0;
  max-width: 120px;
}

.cmp-auth-btn--ghost {
  flex: 0 0 auto;
  white-space: nowrap;
  padding: 7px 10px;
  font-size: 12px;
}

/* 验证码：标签单独一行；输入与「发送验证码」同一行（避免 label 列宽被长文案撑开导致假大缝） */
.cmp-auth-modal__code-block {
  display: flex;
  flex-direction: column;
  gap: 4px;
  width: 100%;
}

.cmp-auth-modal__code-label {
  display: block;
  font-size: 12px;
  color: var(--muted);
  font-weight: 600;
  cursor: pointer;
}

.cmp-auth-modal__code-send-wrap {
  position: relative;
  width: 100%;
}

.cmp-auth-send-toast {
  position: absolute;
  left: 0;
  right: 0;
  bottom: calc(100% + 6px);
  max-width: 100%;
  padding: 6px 8px;
  border-radius: 6px;
  font-size: 12px;
  line-height: 1.35;
  color: #14532d;
  background: #dcfce7;
  border: 1px solid #86efac;
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.1);
  z-index: 2;
  pointer-events: none;
  text-align: center;
}

.cmp-auth-send-toast--error {
  color: #991b1b;
  background: #fee2e2;
  border-color: #fca5a5;
}

.cmp-auth-send-toast.hidden {
  display: none;
}

.cmp-auth-modal__code-send-row {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 4px;
  width: 100%;
}

.cmp-auth-modal__code-input {
  flex: 1 1 0;
  min-width: 0;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 13px;
}

.cmp-auth-modal__code-input:focus {
  outline: none;
  border-color: #93c5fd;
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.12);
}

.cmp-auth-modal__code-send-row .cmp-auth-btn--send-code {
  flex: 0 0 auto;
  width: auto;
  min-height: 36px;
  white-space: nowrap;
  justify-content: center;
  padding: 8px 8px;
  font-size: 12px;
  border-color: #6366f1;
  color: #4338ca;
  background: #eef2ff;
}

.cmp-auth-modal__code-send-row .cmp-auth-btn--send-code:hover {
  background: #e0e7ff;
}

.cmp-auth-modal__code-send-row .cmp-auth-btn--send-code:disabled {
  opacity: 0.78;
  cursor: not-allowed;
}

.cmp-auth-modal__code-send-row .cmp-auth-btn--send-code.is-loading {
  cursor: wait;
  opacity: 0.9;
}

.cmp-auth-modal__divider {
  height: 1px;
  background: var(--border);
  margin: 4px 0 2px;
}

.cmp-auth-modal__actions {
  display: flex;
  width: 100%;
  box-sizing: border-box;
  gap: 8px;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  margin-top: 2px;
}

.cmp-auth-btn--primary {
  border-color: #6366f1;
  color: #4338ca;
  background: #eef2ff;
}

.cmp-auth-btn--primary:hover {
  background: #e0e7ff;
}

/* 轻提示（比对限额、勾选拦截等） */
.cmp-toast {
  position: fixed;
  left: 50%;
  bottom: 20%;
  transform: translateX(-50%) translateY(12px);
  max-width: min(92vw, 420px);
  padding: 10px 14px;
  border-radius: 8px;
  background: rgba(15, 23, 42, 0.92);
  color: #f8fafc;
  font-size: 13px;
  line-height: 1.45;
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.25);
  opacity: 0;
  pointer-events: none;
  z-index: 99999;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.cmp-toast--visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.cmp-toast--interactive.cmp-toast--visible {
  pointer-events: auto;
}

.cmp-toast__login-link {
  margin-left: 4px;
  padding: 0;
  border: none;
  background: none;
  color: #60a5fa;
  text-decoration: underline;
  cursor: pointer;
  font: inherit;
  font-size: inherit;
  line-height: inherit;
}

.cmp-toast__login-link:hover {
  color: #93c5fd;
}