/* ============================================================
   题匣 · 页面样式:目录首页 / 智能练习 / 学习分析 / 导入向导
   ============================================================ */

/* ==================== 首页:目录页 ==================== */
.home-head {
  margin-bottom: 6px;
}

.home-rule {
  margin-bottom: 22px;
}

.toc-intro {
  font-size: var(--text-sm);
  color: var(--ink2);
  margin-bottom: 24px;
  line-height: 2;
}

.toc-issues {
  font-size: var(--text-sm);
  color: var(--ink2);
  margin-bottom: 18px;
  line-height: 1.9;
}

/* 继续上次 */
.resume-line {
  display: inline-block;
  font-size: var(--text-sm);
  color: var(--color-accent);
  margin: -6px 0 16px;
}

.resume-line:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* 科目节:试卷大题式编号"一、" */
.toc-section {
  margin-bottom: 30px;
}

.toc-subject {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 6px 8px 10px;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background 0.12s ease;
}

.toc-subject:hover {
  background: var(--color-hover-wash);
}

.toc-subject-index {
  font-family: var(--font-serif);
  font-size: var(--text-md);
  font-weight: 700;
  color: var(--color-accent);
}

.toc-subject-name {
  font-family: var(--font-serif);
  font-size: var(--text-lg);
  font-weight: 700;
  letter-spacing: 0.1em;
}

.toc-section-body {
  padding: 0 4px 0 12px;
  border-top: 1px solid var(--line1);
  border-bottom: 1px solid var(--line0);
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.toc-rows {
  border-top: 1px solid var(--line0);
}

/* 「其他知识点」小节：弱化样式，提示这是未归类项 */
.toc-sec-loose .toc-sec-name {
  color: var(--ink2);
  font-style: italic;
  font-weight: 500;
}

.toc-sec-loose .toc-sec-index {
  color: var(--ink3);
}

/* （一）（二）小节行:官方小分类,可整体刷题 */
.toc-sec {
  display: flex;
  align-items: baseline;
  gap: 8px;
  width: 100%;
  padding: 11px 8px 9px 6px;
  margin-top: 4px;
  cursor: pointer;
  border-radius: var(--radius);
  border-bottom: 1px solid var(--line0);
  transition: background 0.12s ease;
}

.toc-sec:hover {
  background: var(--color-hover-wash);
}

.toc-sec-index {
  font-family: var(--font-serif);
  font-size: var(--text-base);
  color: var(--color-accent);
  flex-shrink: 0;
}

.toc-sec-name {
  font-family: var(--font-serif);
  font-size: var(--text-lg);
  font-weight: 600;
  letter-spacing: 0.04em;
  flex-shrink: 0;
  transition: color 0.12s ease;
}

.toc-sec:hover .toc-sec-name {
  color: var(--color-accent);
}

.toc-rows.sub {
  border-top: none;
  padding-left: 20px;
}

.toc-rows.loose-after {
  margin-top: 6px;
}

.toc-row {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  text-align: left;
  padding: 13px 10px;
  border-radius: var(--radius);
  border-bottom: 1px solid var(--line0);
  cursor: pointer;
  transition: background 0.12s ease;
}

/* 整行即入口：hover / 键盘聚焦时右侧淡入箭头，补足可点暗示 */
.toc-row::after,
.toc-sec::after {
  content: "→";
  margin-left: auto;
  color: var(--color-accent);
  font-size: var(--text-base);
  opacity: 0;
  transition: opacity 0.12s ease;
}

.toc-row:hover::after,
.toc-row:focus-visible::after,
.toc-sec:hover::after,
.toc-sec:focus-visible::after {
  opacity: 1;
}

.toc-row:hover {
  background: var(--color-hover-wash);
}

.toc-name {
  font-family: var(--font-serif);
  font-size: var(--text-lg);
  flex: 1;
  min-width: 0;
  transition: color 0.12s ease;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.toc-row:hover .toc-name {
  color: var(--color-accent);
}

/* ==================== 智能练习页 ==================== */
.smart-summary {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin: 18px 0 14px;
  font-size: var(--text-sm);
  color: var(--ink2);
}

.smart-list {
  border-top: 1px solid var(--line0);
  margin-bottom: 24px;
}

.smart-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 8px;
  border-bottom: 1px solid var(--line0);
  font-size: var(--text-base);
}

.smart-row-no {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--ink2);
  width: 22px;
  flex-shrink: 0;
}

.smart-row-stem {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-family: var(--font-serif);
  font-size: var(--text-base);
}

.smart-row-topic {
  font-size: var(--text-2xs);
  color: var(--ink2);
  flex-shrink: 0;
  max-width: 130px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.smart-acts {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

/* ==================== 学习分析页 ==================== */
/* 总览:试卷得分栏(通栏一行,竖线分隔) */
.stats-strip {
  display: flex;
  border-top: 1px solid var(--line0);
  border-bottom: 1px solid var(--line0);
  margin: 22px 0 28px;
}

.stats-cell {
  flex: 1;
  padding: 16px 8px 14px;
  text-align: center;
}

.stats-cell + .stats-cell {
  border-left: 1px solid var(--line0);
}

.stats-cell b {
  display: block;
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 600;
  line-height: 1.3;
}

.stats-cell span {
  font-size: var(--text-xs);
  color: var(--ink2);
}

.stats-cell.warn b {
  color: var(--ink0);
}

/* 近 7 日微型条形 */
.week-chart {
  display: flex;
  align-items: flex-end;
  gap: 5px;
  height: 34px;
}

.week-chart i {
  width: 5px;
  border-radius: 2px 2px 0 0;
  background: var(--line1);
  min-height: 2px;
}

.week-chart i.today {
  background: var(--color-accent);
}

.stats-week {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 30px;
}

.stats-week-label {
  font-size: var(--text-xs);
  color: var(--ink2);
  line-height: 1.8;
}

/* 建议区 */
.advice {
  margin-bottom: 30px;
}

.advice-row {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 2px;
  font-size: var(--text-base);
  line-height: 1.8;
  border-bottom: 1px dashed var(--line0);
}

.advice-row:last-child {
  border-bottom: none;
}

.advice-dot {
  color: var(--ink2);
  flex-shrink: 0;
}

.advice-row a {
  margin-left: 4px;
  white-space: nowrap;
}

/* 掌握度列表 */
.mastery-list {
  border-top: 1px solid var(--line0);
}

.mastery-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 6px;
  border-bottom: 1px solid var(--line0);
}

.mastery-name {
  width: 34%;
  min-width: 0;
}

.mastery-name .t {
  font-family: var(--font-serif);
  font-size: var(--text-md);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.mastery-name .s {
  font-size: var(--text-2xs);
  color: var(--ink2);
  letter-spacing: 0.06em;
}

.mastery-bar {
  flex: 1;
  height: 6px;
  border-radius: var(--radius-xs);
  background: var(--line0);
  overflow: hidden;
}

.mastery-bar i {
  display: block;
  height: 100%;
  border-radius: var(--radius-xs);
}

.mastery-bar .lv-weak { background: var(--color-caution); }
.mastery-bar .lv-mid { background: var(--color-accent); }
.mastery-bar .lv-good { background: var(--color-success); }
.mastery-bar .lv-sparse { background: var(--ink3); }

.mastery-val {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--ink1);
  width: 34px;
  text-align: right;
  flex-shrink: 0;
}

/* 状态小印章:弱 / 中 / 稳 / 浅 */
.mini-seal {
  font-family: var(--font-serif);
  font-size: var(--text-2xs);
  font-weight: 700;
  border: 1.5px solid currentColor;
  border-radius: var(--radius-xs);
  padding: 0 4px;
  line-height: 1.7;
  transform: rotate(-4deg);
  flex-shrink: 0;
  user-select: none;
}

.mini-seal.lv-weak { color: var(--color-caution); }
.mini-seal.lv-mid { color: var(--color-accent); }
.mini-seal.lv-good { color: var(--color-success); }
.mini-seal.lv-sparse { color: var(--ink2); }

.mastery-go {
  opacity: 0;
  transition: opacity 0.12s ease;
}

.mastery-row:hover .mastery-go {
  opacity: 1;
}

@media (hover: none) {
  .mastery-go {
    opacity: 1;
  }
}

/* ==================== 导入向导 ==================== */
.steps {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 18px 0 26px;
}

.step {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: var(--text-sm);
  color: var(--ink2);
}

.step-no {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: var(--text-base);
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  border: 1.5px solid var(--line1);
  border-radius: 50%;
}

.step.is-on {
  color: var(--ink0);
  font-weight: 600;
}

.step.is-on .step-no {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.step.is-done .step-no {
  border-color: var(--color-success);
  color: var(--color-success);
}

.step-line {
  flex: 1;
  border-top: 1px solid var(--line0);
  min-width: 16px;
}

/* 来源切换 tab */
.import-tabs {
  margin-bottom: 16px;
}

/* 拖放区 */
.dropzone {
  border: 2px dashed var(--line1);
  border-radius: var(--radius-xs);
  padding: 44px 24px;
  text-align: center;
  transition: border-color 0.15s ease, background 0.15s ease;
  cursor: pointer;
}

.dropzone:hover,
.dropzone.is-over {
  border-color: var(--color-accent);
  background: var(--color-accent-subtle);
}

.dropzone-mark {
  font-family: var(--font-serif);
  font-size: 30px;
  color: var(--ink3);
  line-height: 1.2;
  margin-bottom: 12px;
}

.dropzone.is-over .dropzone-mark {
  color: var(--color-accent);
}

.dropzone-title {
  font-size: var(--text-md);
  font-weight: 600;
  margin-bottom: 6px;
}

.dropzone-sub {
  font-size: var(--text-sm);
  color: var(--ink2);
  line-height: 1.9;
  margin-bottom: 16px;
}

/* 粘贴捕获区 */
.paste-zone {
  border: 2px dashed var(--line1);
  border-radius: var(--radius-xs);
  padding: 38px 24px;
  text-align: center;
  cursor: text;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.paste-zone:focus {
  outline: none;
  border-color: var(--color-accent);
  background: var(--color-accent-subtle);
}

.paste-zone.has-content {
  border-style: solid;
  border-color: var(--color-success);
  background: var(--color-success-subtle);
}

.import-help {
  margin-top: 18px;
  font-size: var(--text-sm);
  color: var(--ink2);
  line-height: 2.1;
}

.import-help summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--ink1);
}

.import-help ol {
  list-style: decimal;
  padding-left: 1.8em;
  margin-top: 6px;
}

/* 步骤二:解析摘要与归属设置 */
.parse-brief {
  display: flex;
  align-items: baseline;
  gap: 8px;
  flex-wrap: wrap;
  font-size: var(--text-sm);
  color: var(--ink2);
  margin-bottom: 18px;
}

.parse-brief b {
  color: var(--ink0);
  font-family: var(--font-mono);
}


.import-form {
  background: transparent;
  border-top: 1px solid var(--line0);
  border-bottom: 1px solid var(--line0);
  border-radius: 0;
  padding: 12px 0;
  margin-bottom: 20px;
}

.form-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 0;
  font-size: var(--text-base);
  flex-wrap: wrap;
}

.form-label {
  width: 92px;
  color: var(--ink1);
  flex-shrink: 0;
}

.text-input {
  padding: 6px 10px;
  font-size: var(--text-base);
  border: 1px solid var(--color-border-control);
  border-radius: var(--radius);
  background: var(--paper0);
  color: var(--ink0);
  min-width: 200px;
}

.text-input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-subtle);
}

.radio-line {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  margin-right: 14px;
}

.radio-line input {
  accent-color: var(--color-accent);
}

.check-line {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  cursor: pointer;
  font-size: var(--text-sm);
  color: var(--ink1);
}

.check-line input {
  accent-color: var(--color-accent);
  width: 15px;
  height: 15px;
}

/* 预览列表 */
.preview-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: var(--text-sm);
  color: var(--ink2);
  margin-bottom: 8px;
}

.preview-list {
  border-top: 1px solid var(--line0);
  margin-bottom: 20px;
  max-height: 420px;
  overflow-y: auto;
}

.preview-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 6px;
  border-bottom: 1px solid var(--line0);
  font-size: var(--text-sm);
}

.preview-row.is-dup {
  opacity: 0.5;
}

.preview-row input {
  accent-color: var(--color-accent);
  flex-shrink: 0;
}

.preview-no {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--ink2);
  width: 20px;
  flex-shrink: 0;
}

.preview-stem {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-family: var(--font-serif);
}

.preview-ans {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-accent);
  font-weight: 600;
  flex-shrink: 0;
}

.preview-topic {
  font-size: var(--text-2xs);
  color: var(--ink2);
  max-width: 120px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex-shrink: 0;
}

/* 步骤三:完成 */
.import-done {
  text-align: center;
  padding: 46px 20px 40px;
}

@keyframes big-stamp {
  0% {
    opacity: 0;
    transform: rotate(-8deg) scale(2);
  }
  60% {
    opacity: 0.95;
    transform: rotate(-8deg) scale(0.96);
  }
  100% {
    opacity: 0.94;
    transform: rotate(-8deg) scale(1);
  }
}

.import-done .seal {
  font-size: 24px;
  letter-spacing: 0.22em;
  padding: 10px 18px 10px 22px;
  border-width: 3px;
  border-radius: var(--radius-lg);
  margin-bottom: 22px;
  animation: big-stamp 0.4s cubic-bezier(0.2, 1.2, 0.4, 1) both;
}

.import-done-line {
  font-size: var(--text-base);
  margin-bottom: 6px;
}

.import-done-sub {
  font-size: var(--text-sm);
  color: var(--ink2);
  margin-bottom: 26px;
  line-height: 2;
}

/* 解析失败诊断：锚点命中情况 */
.import-diag {
  max-width: 560px;
  margin: 12px auto 0;
  padding: 22px 20px;
  background: var(--color-surface-raised);
  border: 1px solid var(--color-border-subtle);
  border-radius: 0;
}

.import-diag-title {
  font-family: var(--font-serif);
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: 4px;
}

.import-diag-sub {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: 14px;
}

.import-diag-anchors {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}

.import-diag-chip {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius);
  padding: 4px 10px;
  background: var(--color-surface-page);
}

.import-diag-chip b {
  font-family: var(--font-mono);
  font-weight: 600;
  margin-left: 4px;
  color: var(--color-text-secondary);
}

.import-diag-chip.is-hit {
  color: var(--color-text-primary);
  border-color: color-mix(in srgb, var(--color-accent) 28%, var(--color-border-subtle));
  background: var(--color-accent-subtle);
}

.import-diag-chip.is-hit b {
  color: var(--color-accent);
}

.import-diag-hints {
  margin: 0;
  padding-left: 18px;
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.85;
}

/* ==================== 页面级响应式 ==================== */
@media (max-width: 700px) {
  .view-title-row {
    align-items: flex-start;
    gap: 8px;
  }

  .view-stats {
    width: 100%;
    min-width: 0;
    gap: 4px 10px;
  }

  .view-stats .sep {
    display: none;
  }

  .stats-strip {
    flex-wrap: wrap;
  }

  .stats-cell {
    flex: 1 1 40%;
  }

  .stats-cell:nth-child(3) {
    border-left: none;
  }

  .stats-cell:nth-child(n + 3) {
    border-top: 1px solid var(--line0);
  }

  .mastery-name {
    width: 42%;
  }

  .mastery-val {
    display: none;
  }

  .toc-section {
    margin-bottom: 24px;
  }

  .toc-section-body {
    padding: 0 8px 6px;
  }

  .toc-subject {
    align-items: center;
    flex-wrap: wrap;
    gap: 7px;
  }

  .toc-subject-name {
    flex: 1;
    min-width: 0;
    font-size: 17px;
    letter-spacing: 0.05em;
  }

  .toc-sec,
  .toc-row {
    align-items: center;
    min-width: 0;
    gap: 8px;
  }

  .toc-sec-name,
  .toc-name {
    flex: 1;
    flex-shrink: 1;
    min-width: 0;
    max-width: none;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .steps {
    flex-wrap: wrap;
  }

  .step-line {
    display: none;
  }
}

/* ==================== 题库健康检查页 ==================== */
.health-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 20px 0 28px;
}

.hs-tag {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 6px 12px;
  border-radius: var(--radius);
  font-size: var(--text-sm);
  border: 1px solid var(--line0);
  background: var(--paper1);
}

.hs-tag b {
  font-family: var(--font-mono);
  font-weight: 700;
}

.hs-red {
  color: var(--color-danger);
  border-color: color-mix(in srgb, var(--color-danger) 28%, var(--color-border-subtle));
  background: var(--color-danger-subtle);
}
.hs-amber {
  color: var(--color-caution);
  border-color: color-mix(in srgb, var(--color-caution) 28%, var(--color-border-subtle));
  background: var(--color-caution-subtle);
}
.hs-blue {
  color: var(--color-accent);
  border-color: color-mix(in srgb, var(--color-accent) 28%, var(--color-border-subtle));
  background: var(--color-accent-subtle);
}
.hs-ok { color: var(--ink3); }

.health-clean {
  text-align: center;
  padding: 56px 20px;
}

.health-seal {
  display: inline-block;
  width: 56px;
  height: 56px;
  line-height: 56px;
  border-radius: 50%;
  background: var(--color-success);
  color: var(--color-on-success);
  font-family: var(--font-serif);
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 14px;
}

.health-clean-title {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 6px;
}

.health-clean-sub {
  font-size: var(--text-sm);
  color: var(--ink2);
  line-height: 1.7;
}

.health-section {
  margin-bottom: 28px;
}

.health-sec-head {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-border-subtle);
  margin-bottom: 10px;
}

.health-sec-title {
  font-family: var(--font-serif);
  font-size: var(--text-lg);
  font-weight: 600;
}

.health-sec-count {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-text-primary);
  font-weight: 700;
}

.health-sec-hint {
  margin-left: auto;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.health-hint {
  font-size: var(--text-sm);
  color: var(--ink2);
  line-height: 1.7;
  margin: 0 0 10px;
  padding: 6px 0 6px 12px;
  background: transparent;
  border-left: 2px solid var(--line1);
  border-radius: 0;
}

.health-rows {
  border-top: 1px solid var(--line0);
  border-bottom: 1px solid var(--line0);
  border-radius: 0;
  overflow: hidden;
}

.health-row {
  padding: 9px 12px;
  border-bottom: 1px solid var(--line0);
  font-size: var(--text-sm);
  line-height: 1.6;
}

.health-row:last-child {
  border-bottom: none;
}

.health-row-loc {
  font-family: var(--font-mono);
  color: var(--ink1);
  font-weight: 600;
}

.health-row-meta {
  color: var(--ink2);
  font-size: var(--text-xs);
  margin-top: 2px;
}

.health-row-preview {
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  margin-top: 3px;
  font-style: italic;
}

/* ==================== 学习分析 · 行动化 ==================== */
/* 今日待办卡片 */
.todo-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 4px;
}

.todo-card {
  display: block;
  padding: 16px 16px 14px;
  border: none;
  border-top: 1px solid var(--line0);
  border-bottom: 1px solid var(--line0);
  border-radius: 0;
  background: transparent;
  text-decoration: none;
  color: var(--ink0);
  transition: background 0.15s, color 0.15s;
}

.todo-card + .todo-card {
  border-left: 1px solid var(--line0);
}

.todo-card:hover {
  background: var(--color-accent-subtle);
}

.todo-card.is-dim {
  opacity: 0.55;
  background: var(--paper0);
}

.todo-card.is-dim:hover {
  border-color: var(--line1);
  transform: none;
  box-shadow: none;
}

.todo-card-num {
  font-size: var(--text-2xl);
  line-height: 1;
  margin-bottom: 8px;
}

.todo-card-num b {
  font-weight: 700;
}

.todo-card-num b.warn {
  color: var(--ink0);
}

.todo-card-num small {
  font-size: var(--text-base);
  color: var(--ink2);
  font-weight: 400;
}

.todo-card-title {
  font-family: var(--font-serif);
  font-size: var(--text-md);
  font-weight: 600;
  margin-bottom: 3px;
}

.todo-card-sub {
  font-size: var(--text-xs);
  color: var(--ink2);
  line-height: 1.5;
  margin-bottom: 10px;
  min-height: 2.6em;
}

.todo-card-btn {
  font-size: var(--text-sm);
  color: var(--color-accent);
  font-weight: 600;
}

.todo-card.is-dim .todo-card-btn {
  color: var(--ink3);
  font-weight: 400;
}

@media (max-width: 720px) {
  .todo-cards { grid-template-columns: 1fr; }
  .todo-card + .todo-card {
    border-left: none;
    border-top: none;
  }
}

/* 最该复习 10 题 */
.review-list {
  border-top: 1px solid var(--line0);
  border-bottom: 1px solid var(--line0);
  border-radius: 0;
  overflow: hidden;
  margin-bottom: 4px;
}

.review-row {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 12px;
  border-bottom: 1px solid var(--line0);
  text-decoration: none;
  color: var(--ink0);
  font-size: var(--text-sm);
  transition: background 0.12s;
}

.review-row:last-child { border-bottom: none; }

.review-row:hover {
  background: var(--paper1);
}

.review-no {
  font-family: var(--font-mono);
  color: var(--ink3);
  flex-shrink: 0;
  width: 22px;
  text-align: right;
}

.review-stem {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.review-topic {
  color: var(--ink2);
  font-size: var(--text-2xs);
  flex-shrink: 0;
}

/* 最该补 3 个知识点 */
.weak-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 4px;
}

.weak-card {
  padding: 14px 14px 12px;
  border: none;
  border-bottom: 1px solid var(--line0);
  border-radius: 0;
  border-left: 3px solid var(--ink3);
}

.weak-card.lv-weak { border-left-color: var(--color-caution); }
.weak-card.lv-sparse { border-left-color: var(--color-border-strong); }
.weak-card.lv-none { border-left-color: var(--color-accent); }

.weak-card-head {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 4px;
}

.weak-card-name {
  font-family: var(--font-serif);
  font-size: var(--text-base);
  font-weight: 600;
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.weak-card-val {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--ink1);
}

.weak-card-sub {
  font-size: var(--text-xs);
  color: var(--ink2);
  margin-bottom: 10px;
  line-height: 1.5;
}

.weak-card-acts {
  display: flex;
  gap: 6px;
}

@media (max-width: 720px) {
  .weak-cards { grid-template-columns: 1fr; }
}