/* quiz.css — 自 components.css 连续拆分（原 482-1196 行）。保持级联顺序，勿随意重排各文件引入次序 */
.encyclopedia {
  max-width: 1200px;
}



.quiz-container {
  padding: var(--spacing-md);
}


.quiz-modules {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

.quiz-module-card {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  padding: var(--spacing-lg);
  background: var(--color-surface-1);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  transition: background var(--duration-normal) var(--ease-smooth), color var(--duration-normal) var(--ease-smooth), border-color var(--duration-normal) var(--ease-smooth), box-shadow var(--duration-normal) var(--ease-smooth), transform var(--duration-normal) var(--ease-smooth);
  position: relative;
  overflow: hidden;
}

.quiz-module-card::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--color-border-subtle);
  transition: background var(--duration-normal);
}

.quiz-module-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--glow-primary);
  transform: translateY(-4px);
}

.quiz-module-card.complete::before {
  background: var(--status-emerald);
}

.quiz-module-card.partial::before {
  background: var(--status-amber);
}

.module-header {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
}

.module-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--icon-surface), var(--icon-surface));
  border-radius: var(--radius-xl);
  border: 1px solid var(--icon-border);
  color: var(--color-primary);
}

.module-icon svg {
  width: 26px;
  height: 26px;
}

.complete-badge {
  width: 24px;
  height: 24px;
  background: var(--status-emerald);
  color: var(--color-on-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-xs);
  font-weight: 700;
}

.module-info {
  flex: 1;
  min-width: 0;
}

.module-info h3 {
  margin: 0 0 4px;
  font-size: var(--font-size-base);
  color: var(--color-text-primary);
  font-weight: 600;
}

.module-info p {
  margin: 0 0 8px;
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
  line-height: 1.4;
}

.progress-bar {
  height: 6px;
  background: var(--color-border-subtle);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 6px;
}

.progress-fill {
  height: 100%;
  border-radius: 3px;
  background: var(--gradient-brand);
  transition: width 0.6s var(--ease-tactile);
}

.module-count {
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
}

.module-start-btn {
  padding: 8px 16px;
  background: var(--color-primary);
  color: var(--color-on-primary);
  border: none;
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
  cursor: pointer;
  transition: background var(--duration-normal);
  white-space: nowrap;
}

.module-start-btn:hover {
  background: var(--color-primary-hover);
}


.module-buttons {
  display: flex;
  gap: 8px;
  flex-direction: column;
  flex-shrink: 0;
  min-width: 100px;
}

.module-btn {
  padding: 8px 14px;
  font-size: var(--font-size-sm);
  border-radius: 8px;
  border: 1px solid var(--color-border-subtle);
  background: var(--color-surface-1);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: background var(--duration-normal) var(--ease-smooth), color var(--duration-normal) var(--ease-smooth), border-color var(--duration-normal) var(--ease-smooth), box-shadow var(--duration-normal) var(--ease-smooth), transform var(--duration-normal) var(--ease-smooth);
  white-space: nowrap;
  font-weight: 500;
}

.module-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: rgba(94, 106, 210, 0.05);
}

.module-btn.random {
  background: var(--color-primary);
  color: var(--color-on-primary);
  border-color: var(--color-primary);
}

.module-btn.random:hover {
  background: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  color: var(--color-on-primary);
}


.category-section {
  margin-bottom: var(--spacing-xl);
}

.category-name {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-text-primary);
  margin: 0 0 var(--spacing-md) 0;
  padding-bottom: var(--spacing-sm);
  border-bottom: 2px solid var(--color-primary);
  display: inline-block;
}


.category-modules {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--spacing-md);
}


.quiz-active {
  grid-column: 1 / -1;
  width: 100%;
  max-width: none;
}

.quiz-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-md);
}

.quiz-back-btn {
  padding: 6px 12px;
  background: transparent;
  border: none;
  cursor: pointer;
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
  transition: color var(--duration-normal);
}

.quiz-back-btn:hover {
  color: var(--color-text-primary);
}

.quiz-progress-text {
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
  font-weight: 500;
}


.quiz-progress-bar {
  height: 4px;
  background: var(--color-border);
  border-radius: 2px;
  margin-bottom: var(--spacing-2xl);
  overflow: hidden;
}

.quiz-progress-fill {
  height: 100%;
  background: var(--gradient-brand);
  border-radius: 2px;
  transition: width 0.6s var(--ease-tactile);
}


.quiz-question {
  margin-bottom: var(--spacing-xl);
}

.quiz-question-text {
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--color-text-primary);
  line-height: 1.5;
  margin: 0;
}


.quiz-options {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(400px, 100%), 1fr));
  gap: var(--spacing-sm);
}

.quiz-option {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  width: 100%;
  padding: var(--spacing-md) var(--spacing-lg);
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background var(--duration-fast) var(--ease-smooth), color var(--duration-fast) var(--ease-smooth), border-color var(--duration-fast) var(--ease-smooth), box-shadow var(--duration-fast) var(--ease-smooth), transform var(--duration-fast) var(--ease-smooth);
  text-align: left;
  font-size: var(--font-size-base);
  color: var(--color-text-primary);
  /* 移动端：去掉轻点延迟与双击缩放干扰，禁止长按选字吞掉点击 */
  -webkit-user-select: none;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

/* 子元素同样禁止选字、让 touch 事件落在选项上 */
.quiz-option .option-letter,
.quiz-option .option-text,
.quiz-option .option-icon {
  -webkit-user-select: none;
  user-select: none;
  pointer-events: none;
}

.quiz-option:hover {
  border-color: var(--color-primary);
  background: rgba(94, 106, 210, 0.03);
}

/* 选中态：主色描边 + 染底 + 序号圆实心（设计规范 §11） */
.quiz-option.selected {
  border-color: var(--color-primary);
  background: var(--tag-time-bg);
  box-shadow: inset 0 0 0 1px var(--color-primary);
}
.quiz-option.selected .option-letter {
  background: var(--color-primary);
  color: var(--color-on-primary);
}

.option-letter {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--color-surface-1);
  color: var(--color-text-tertiary);
  font-size: var(--font-size-sm);
  font-weight: 500;
  flex-shrink: 0;
}

.option-text {
  flex: 1;
}

.option-icon {
  font-size: var(--font-size-base);
  font-weight: 600;
}

.quiz-option.correct {
  border-color: var(--status-emerald);
  background: rgba(16, 185, 129, 0.05);
}

.quiz-option.correct .option-letter {
  background: var(--status-emerald);
  color: var(--color-on-primary);
}

.quiz-option.correct .option-icon {
  color: var(--status-emerald);
}

.quiz-option.wrong {
  border-color: var(--status-red);
  background: rgba(239, 68, 68, 0.05);
}

.quiz-option.wrong .option-letter {
  background: var(--status-red);
  color: var(--color-on-primary);
}

.quiz-option.wrong .option-icon {
  color: var(--status-red);
}

.quiz-option.show-correct {
  border-color: var(--status-emerald);
  background: rgba(16, 185, 129, 0.03);
}


.quiz-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: var(--spacing-2xl);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-border);
}

.quiz-nav-btn {
  padding: 10px 20px;
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: 500;
  cursor: pointer;
  transition: background var(--duration-fast) var(--ease-smooth), color var(--duration-fast) var(--ease-smooth), border-color var(--duration-fast) var(--ease-smooth), box-shadow var(--duration-fast) var(--ease-smooth), transform var(--duration-fast) var(--ease-smooth);
  border: 1px solid var(--color-border);
  background: transparent;
  color: var(--color-text-secondary);
}

.quiz-nav-btn:hover:not(:disabled) {
  border-color: var(--color-text-tertiary);
  color: var(--color-text-primary);
}

.quiz-nav-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.quiz-nav-btn.primary {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-on-primary);
}

.quiz-nav-btn.primary:hover {
  background: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
}

/* 方案 B：答题卡（题号导航宫格） */
.quiz-answer-card {
  margin-bottom: var(--spacing-lg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  overflow: hidden;
}
.quiz-ac-head {
  width: 100%;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: 10px 14px;
  background: transparent;
  border: none;
  cursor: pointer;
  font-size: var(--font-size-sm);
}
.quiz-ac-title { font-weight: 600; color: var(--color-text-primary); }
.quiz-ac-count { color: var(--color-text-secondary); }
.quiz-ac-caret { margin-left: auto; color: var(--color-text-tertiary); font-size: 12px; }
.quiz-ac-grid {
  display: none;
  grid-template-columns: repeat(auto-fill, 36px);
  gap: 8px;
  padding: 0 14px 14px;
  max-height: 140px;
  overflow: auto;
}
.quiz-answer-card.open .quiz-ac-grid { display: grid; }
.quiz-ac-cell {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text-tertiary);
  font-size: var(--font-size-sm);
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color var(--duration-fast) var(--ease-tactile), transform var(--duration-fast) var(--ease-tactile);
}
.quiz-ac-cell.answered {
  background: var(--gradient-brand);
  border-color: transparent;
  color: #fff;
}
.quiz-ac-cell.current {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px var(--color-primary);
}
.quiz-ac-cell:hover { border-color: var(--color-primary); transform: translateY(-1px); }

/* 方案 B：未答完时「完成」按钮置灰 + 提示 */
.quiz-footer { flex-wrap: wrap; }
.quiz-incomplete-hint {
  flex-basis: 100%;
  margin-bottom: 8px;
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  text-align: center;
}
.quiz-nav-btn.primary:disabled {
  opacity: 1;
  cursor: not-allowed;
  background: var(--color-border-strong);
  border-color: var(--color-border-strong);
  color: var(--color-text-tertiary);
}

.quiz-summary {
  padding: var(--spacing-lg);
  background: var(--color-surface-1);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-subtle);
}

.quiz-summary h3 {
  margin: 0 0 var(--spacing-md);
  font-size: var(--font-size-lg);
  color: var(--color-text-primary);
}

.summary-stats {
  display: flex;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-md);
  border-bottom: 1px solid var(--color-border-subtle);
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.stat-num {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-primary);
}

.stat-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
}

.summary-details {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.detail-row {
  display: flex;
  justify-content: space-between;
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid var(--color-border-subtle);
  font-size: var(--font-size-sm);
}

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


.summary-top {
  display: flex;
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-md);
}

.summary-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.summary-stat .stat-num {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-primary);
}

.summary-stat .stat-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
}

.summary-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.summary-tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
  background: var(--color-surface-2);
  color: var(--color-text-secondary);
}

.summary-tag.tag-full {
  background: rgba(16, 185, 129, 0.1);
  color: var(--status-emerald);
}

.summary-tag.tag-partial {
  background: rgba(245, 158, 11, 0.1);
  color: var(--status-amber);
}

.summary-tag.tag-zero {
  background: rgba(239, 68, 68, 0.1);
  color: var(--status-red);
}


.quiz-result-view {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--spacing-xl);
}

/* 结果页渲染在 .quiz-modules 网格内：跨全行并水平居中 */
.quiz-modules .quiz-result-view {
  grid-column: 1 / -1;
}

.result-top {
  text-align: center;
  padding: var(--spacing-xl) 0;
  border-bottom: 1px solid var(--color-border-subtle);
  margin-bottom: var(--spacing-xl);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.result-score {
  font-size: var(--font-size-5xl);
  font-weight: 700;
  color: var(--color-primary);
}

.result-pct {
  font-size: var(--font-size-xl);
  color: var(--color-text-secondary);
}







.quiz-result-actions {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-xl);
  border-top: 1px solid var(--color-border-subtle);
}

.quiz-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-lg);
}

.quiz-header h3 {
  margin: 0;
  font-size: var(--font-size-lg);
}

.quiz-count {
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
}



.node-actions {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-sm);
}

.quiz-btn {
  display: inline-block;
  padding: 6px 14px;
  background: var(--accent-amber);
  color: var(--color-on-primary);
  border: none;
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
  cursor: pointer;
  transition: background var(--duration-normal);
}

.quiz-btn:hover {
  background: var(--accent-orange);
}

.search-box {
  display: flex;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
}

.search-input {
  flex: 1;
  height: 44px;
  padding: 0 var(--spacing-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  background: var(--color-background);
  color: var(--color-text-primary);
  transition: background var(--duration-fast) var(--ease-smooth), color var(--duration-fast) var(--ease-smooth), border-color var(--duration-fast) var(--ease-smooth), box-shadow var(--duration-fast) var(--ease-smooth), transform var(--duration-fast) var(--ease-smooth);
}

.search-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(94, 106, 210, 0.15);
}

.search-btn {
  height: 44px;
  padding: 0 var(--spacing-lg);
  background: var(--color-primary);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  font-weight: 500;
  cursor: pointer;
  transition: background var(--duration-fast) var(--ease-smooth), color var(--duration-fast) var(--ease-smooth), border-color var(--duration-fast) var(--ease-smooth), box-shadow var(--duration-fast) var(--ease-smooth), transform var(--duration-fast) var(--ease-smooth);
}

.search-btn:hover {
  background: var(--color-primary-hover);
}

.search-btn:active {
  transform: scale(0.97);
}

.category-filters {
  display: flex;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
  flex-wrap: wrap;
}

.filter-btn {
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  background: transparent;
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  cursor: pointer;
  transition: background var(--duration-fast) var(--ease-smooth), color var(--duration-fast) var(--ease-smooth), border-color var(--duration-fast) var(--ease-smooth), box-shadow var(--duration-fast) var(--ease-smooth), transform var(--duration-fast) var(--ease-smooth);
}

.filter-btn:hover {
  background: var(--color-surface-2);
  color: var(--color-text-primary);
}

.filter-btn.active {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

/* ===== 方案2：模块卡片左上角彩色角标（带文字小标签） ===== */
/* 覆盖旧的左侧色条，改用角标 */
.quiz-module-card::before {
  display: none;
}

.module-corner {
  position: absolute;
  top: 0;
  left: 0;
  padding: 4px 12px 4px 10px;
  font-size: 10px;
  font-weight: 700;
  color: var(--corner-basic-fg);
  border-radius: 0 0 12px 0;
  z-index: 2;
  letter-spacing: 0.5px;
  pointer-events: none;
}

/* 模块图标在角标下方，调整位置 */
.quiz-module-card .module-header {
  position: relative;
  z-index: 2;
  padding-top: 20px;
}

.quiz-module-card .module-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: color-mix(in srgb, var(--module-color, #5E6AD2) 10%, transparent);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.quiz-module-card .module-icon svg {
  width: 22px;
  height: 22px;
}

/* 进度条圆角 */
.quiz-module-card .progress-bar {
  height: 6px;
  border-radius: 99px;
  background: var(--color-border-subtle, #F3F4F6);
  overflow: hidden;
  margin: 8px 0;
}

.quiz-module-card .progress-fill {
  height: 100%;
  border-radius: 99px;
  transition: width 0.3s ease;
}

/* 按钮样式调整 */
.quiz-module-card .module-btn {
  padding: 8px 14px;
  border-radius: 10px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
  border: 1.5px solid transparent;
}

.quiz-module-card .module-btn.random {
  background: transparent;
}

.quiz-module-card .module-btn.random:hover {
  background: color-mix(in srgb, var(--module-color, #5E6AD2) 8%, transparent);
}

.quiz-module-card .module-btn.all {
  color: #fff;
  border-color: transparent;
}

.quiz-module-card .module-btn.all:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

/* ============================================================
   2026-09-11 重做：渐变 Hero + 分类聚合卡（方案2） + 完成页
   参考：docs/闯关修复+测验卡片配色方案.html（测验卡片·方案2）
   ============================================================ */

/* 分类卡改为纵向单列（原 grid 多列布局不再适用） */
.quiz-modules {
  display: block;
  margin-bottom: 0;
}

.quiz-hero {
  position: relative;
  overflow: hidden;
  background: var(--hero-grad);
  color: var(--hero-fg);
  margin: 0 calc(-1 * var(--page-pad-x, 16px));
  padding: 10px var(--page-pad-x, 16px) 18px;
  border-radius: 0 0 var(--hero-radius) var(--hero-radius);
}
.quiz-hero::before {
  content: '';
  position: absolute; top: -40px; right: -30px;
  width: 160px; height: 160px;
  background: var(--hero-spot);
  border-radius: 50%;
}
.quiz-hero::after {
  content: '';
  position: absolute; bottom: -20px; left: -20px;
  width: 100px; height: 100px;
  background: var(--hero-spot);
  border-radius: 50%;
}
.quiz-hero > * { position: relative; z-index: 2; }

.quiz-hero-nav {
  display: flex; align-items: center; justify-content: space-between;
}
.qh-title { font-size: 17px; font-weight: 700; color: #fff; }
.qh-ico {
  width: 32px; height: 32px; border-radius: 50%;
  background: rgba(255, 255, 255, 0.18);
  display: flex; align-items: center; justify-content: center; color: #fff;
}
.qh-ico svg { width: 16px; height: 16px; }

.hero-summary { padding: 12px 0 2px; color: #fff; }
.hs-label { font-size: 11px; opacity: 0.9; margin-bottom: 2px; }
.hs-num { font-size: 24px; font-weight: 800; letter-spacing: -0.5px; }
.hs-num span { font-size: 12px; font-weight: 400; opacity: 0.85; }

.quiz-body {
  position: relative;
  z-index: 3;
  background: var(--body-soft);
  padding: 16px var(--page-pad-x, 16px) 24px;
  margin: -10px calc(-1 * var(--page-pad-x, 16px)) 0;
  border-radius: var(--body-radius) var(--body-radius) 0 0;
  min-height: 320px;
}

.cat-card {
  position: relative;
  overflow: hidden;
  background: var(--color-surface);
  border-radius: 12px;
  padding: 12px;
  margin-bottom: 10px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}
/* 桌面端局部 tab 选中态 */
.cat-card.is-active {
  box-shadow: 0 0 0 2px var(--color-primary), 0 2px 8px rgba(0, 0, 0, 0.04);
}
.corner-tag {
  position: absolute; top: 0; left: 0;
  padding: 3px 10px 3px 8px;
  font-size: 10px; font-weight: 700; color: var(--corner-basic-fg);
  border-radius: 0 0 12px 0;
  letter-spacing: 0.5px;
  z-index: 2;
}
.cat-head {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 6px; padding-top: 14px;
}
.cat-name { font-size: 14px; font-weight: 700; color: var(--color-text-primary); }
.cat-count {
  font-size: 10px; color: var(--color-text-tertiary);
  background: var(--table-head-bg); padding: 2px 6px; border-radius: 8px;
}
.cat-desc {
  font-size: 11px; color: var(--color-text-secondary);
  line-height: 1.5; margin-bottom: 2px;
}
.cat-card .progress-bar {
  height: 6px; border-radius: 99px; overflow: hidden;
  background: var(--color-border-subtle, #F3F4F6);
  margin: 8px 0 6px;
}
.cat-card .progress-fill { height: 100%; border-radius: 99px; transition: width 0.3s ease; }

.cat-foot { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.cat-rate { font-size: 11px; color: var(--color-text-secondary); }
.cat-rate strong { color: var(--status-emerald); font-weight: 700; }
.cat-rate strong.idle { color: var(--color-text-tertiary); font-weight: 500; }
.cat-btns { display: flex; align-items: center; gap: 8px; }
/* 同行按钮必须等高：固定 height + inline-flex，不靠 padding 撑（描边/实心天然差 1–2px） */
.cat-mod-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 32px;
  box-sizing: border-box;
  flex-shrink: 0;
  font-family: inherit;
  font-size: 11px; font-weight: 600;
  color: var(--color-text-secondary);
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 0 12px;
  cursor: pointer;
}
.cat-mod-toggle.open { color: var(--color-primary); border-color: var(--color-primary); }
.btn-start {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 32px;
  box-sizing: border-box;
  flex-shrink: 0;
  font-family: inherit;
  padding: 0 14px;
  border: none;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent-amber), var(--accent-orange));
  /* 琥珀/橙实底上白字仅 1.7–2.2:1，改深色字后 ≥8:1 */
  color: #1A1A1A;
  font-size: 11px; font-weight: 600;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(245, 158, 11, 0.35);
}

/* 展开后的模块二级入口 */
.cat-modules {
  display: none;
  margin-top: 10px;
  padding-top: 6px;
  border-top: 1px solid var(--color-border-subtle);
}
.cat-modules.open { display: block; }
.cat-mod-row { display: flex; align-items: center; gap: 8px; padding: 7px 0; }
.cm-ico { width: 22px; height: 22px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.cm-ico svg { width: 16px; height: 16px; }
.cm-name { flex: 1; font-size: 12px; font-weight: 600; color: var(--color-text-primary); }
.cm-count { font-size: 10px; color: var(--color-text-tertiary); }
.cm-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 24px;
  box-sizing: border-box;
  flex-shrink: 0;
  font-family: inherit;
  font-size: 10px; padding: 0 8px; border-radius: 8px;
  border: 1px solid var(--color-border);
  background: transparent; color: var(--color-text-secondary);
  cursor: pointer;
}
.cm-btn.primary { background: var(--color-primary); border-color: var(--color-primary); color: #fff; }
.cm-btn:disabled { opacity: 0.45; cursor: not-allowed; }

/* 答题页计时器 */
.quiz-timer {
  margin-left: auto;
  font-size: 12px; font-weight: 600;
  color: var(--tag-diff-fg);
  background: var(--tag-diff-bg);
  padding: 2px 8px;
  border-radius: 8px;
  font-variant-numeric: tabular-nums;
}

/* ===== 测验/复习完成页：渐变 Hero（无勋章）+ 答题情况 ===== */
.result-page { max-width: 1200px; margin: 0 auto; }
.result-hero {
  position: relative;
  overflow: hidden;
  background: var(--hero-grad);
  margin: 0 calc(-1 * var(--page-pad-x, 16px));
  padding: 0 var(--page-pad-x, 16px) 26px;
  border-radius: 0 0 var(--hero-radius) var(--hero-radius);
}
.result-hero::before {
  content: ''; position: absolute; top: -60px; right: -40px;
  width: 200px; height: 200px;
  background: var(--hero-spot); border-radius: 50%;
}
.result-hero::after {
  content: ''; position: absolute; bottom: 20px; left: -30px;
  width: 120px; height: 120px;
  background: var(--hero-spot); border-radius: 50%;
}
.result-hero-inner {
  position: relative; z-index: 2;
  display: flex; flex-direction: column; align-items: center;
  padding-top: 26px;
}
.result-title {
  font-size: 26px; font-weight: 800; color: #fff;
  letter-spacing: 2px;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
}
.result-sub { font-size: 14px; color: rgba(255, 255, 255, 0.9); margin-top: 6px; }
.result-glass-bar {
  width: 100%; max-width: 480px; margin-top: 18px;
  display: flex;
  background: var(--hero-glass-bg);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: var(--hero-glass-border);
  border-radius: 18px;
  padding: 14px 8px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}
.result-glass-item { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 6px; }
.result-glass-item + .result-glass-item { border-left: 1px solid rgba(255, 255, 255, 0.2); }
.result-glass-ico {
  width: 32px; height: 32px; border-radius: 50%;
  background: rgba(255, 255, 255, 0.25);
  display: flex; align-items: center; justify-content: center; color: #fff;
}
.result-glass-ico svg { width: 16px; height: 16px; }
.result-glass-num { font-size: 22px; font-weight: 800; color: #fff; line-height: 1; }
.result-glass-label { font-size: 11px; color: rgba(255, 255, 255, 0.85); }

.result-body {
  position: relative; z-index: 3;
  background: var(--body-soft);
  padding: 20px var(--page-pad-x, 16px) 28px;
  margin: -10px calc(-1 * var(--page-pad-x, 16px)) 0;
  border-radius: var(--body-radius) var(--body-radius) 0 0;
}
.result-answer-card {
  background: var(--color-surface);
  border-radius: 18px;
  padding: 16px;
  box-shadow: var(--card-shadow);
  margin-bottom: 14px;
}
.result-answer-title {
  display: flex; align-items: center; justify-content: space-between;
  font-size: 15px; font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 12px;
}
.result-answer-legend {
  display: inline-flex; align-items: center; gap: 4px;
  font-size: 11px; font-weight: 500; color: var(--color-text-tertiary);
}
.result-answer-legend .dot-right,
.result-answer-legend .dot-wrong {
  width: 8px; height: 8px; border-radius: 50%; display: inline-block; margin-left: 6px;
}
.result-answer-legend .dot-right { background: var(--status-emerald); }
.result-answer-legend .dot-wrong { background: var(--status-red); }
.result-answer-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 8px; justify-content: space-between; }
.result-answer-cell {
  aspect-ratio: 1 / 1;
  display: flex; align-items: center; justify-content: center;
  border-radius: 10px;
  font-size: 13px; font-weight: 700;
}
.result-answer-cell.right {
  background: #E8F8F0; color: var(--status-emerald);
  border: 1px solid rgba(16, 185, 129, 0.25);
}
.result-answer-cell.wrong {
  background: #FFF0F0; color: var(--status-red);
  border: 1px solid rgba(239, 68, 68, 0.25);
}
.result-actions { display: flex; gap: 12px; margin-top: 16px; }
.btn-retry-result,
.btn-next-result {
  flex: 1;
  padding: 13px;
  border-radius: 16px;
  font-size: 15px; font-weight: 700;
  cursor: pointer;
}
.btn-retry-result {
  background: var(--color-surface);
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}
.btn-next-result {
  border: none;
  /* 主按钮不用带琥珀末端的 Hero 渐变：右端白字对比度仅 2.2:1 */
  background: linear-gradient(135deg, var(--color-primary), var(--accent-purple, #8B5CF6));
  color: #fff;
  box-shadow: 0 6px 18px rgba(94, 106, 210, 0.4);
}

/* ===== 合并后的「答题情况」卡片（测验/闯关/失败页共用同一组件） ===== */
.answer-sheet-card {
  background: var(--color-surface);
  border-radius: 18px;
  padding: 16px;
  box-shadow: var(--card-shadow);
  margin-bottom: 14px;
}
.answer-sheet-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 15px;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 12px;
}
.answer-sheet-legend {
  display: inline-flex;
  align-items: center;
  font-size: 11px;
  font-weight: 500;
  color: var(--color-text-tertiary);
}
.answer-sheet-legend .lg-ok,
.answer-sheet-legend .lg-wrong {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
  margin-left: 6px;
}
.answer-sheet-legend .lg-ok { background: var(--status-emerald); }
.answer-sheet-legend .lg-wrong { background: var(--status-red); }

/* 桌面端：测验 Hero 与内容区同宽（960px 居中），避免过宽单列 */
@media (min-width: 769px) {
  .quiz-hero,
  .quiz-body {
    max-width: 960px;
    margin-left: auto;
    margin-right: auto;
  }
}

/* ===== 答题体验增强：未答弱提示 / 离开确认 / 轻提示 toast ===== */

/* 进度条：当前题未答时变警示色 */
.quiz-progress-fill.incomplete {
  background: var(--status-amber, #F59E0B);
}

/* 题头「本题尚未作答」弱提示 */
.quiz-q-unans {
  margin-top: 6px;
  font-size: var(--font-size-sm);
  color: var(--status-amber, #B45309);
  font-weight: 600;
}

/* 末题未答完：仍要交卷（次级按钮） */
.quiz-force-btn {
  border: none;
  background: none;
  color: var(--color-primary, #5E6AD2);
  font: inherit;
  font-weight: 600;
  text-decoration: underline;
  cursor: pointer;
  padding: 0 2px;
}

/* 轻提示 toast：底部居中，自动消失 */
.quiz-toast-box {
  position: fixed;
  left: 50%;
  bottom: 76px;
  transform: translateX(-50%);
  z-index: 1200;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  pointer-events: none;
}
.quiz-toast {
  max-width: 80vw;
  padding: 10px 16px;
  border-radius: 999px;
  background: rgba(17, 24, 39, 0.92);
  color: #fff;
  font-size: var(--font-size-sm);
  line-height: 1.4;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.28s var(--ease-tactile, ease), transform 0.28s var(--ease-tactile, ease);
}
.quiz-toast.show {
  opacity: 1;
  transform: translateY(0);
}

/* 离开确认弹窗 */
.quiz-confirm-overlay {
  position: fixed;
  inset: 0;
  z-index: 1300;
  background: rgba(0, 0, 0, 0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  animation: quiz-confirm-fade 0.2s ease;
}
@keyframes quiz-confirm-fade { from { opacity: 0; } to { opacity: 1; } }
.quiz-confirm {
  width: 100%;
  max-width: 340px;
  background: var(--color-surface, #fff);
  border-radius: var(--radius-lg, 16px);
  padding: 22px 20px 18px;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.25);
}
.quiz-confirm-title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-text-primary, #111);
  margin-bottom: 8px;
}
.quiz-confirm-msg {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary, #555);
  line-height: 1.6;
}
.quiz-confirm-actions {
  display: flex;
  gap: 12px;
  margin-top: 20px;
}
.quiz-confirm-actions button {
  flex: 1;
  padding: 11px;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  border: none;
}
.quiz-confirm-cancel {
  background: var(--color-surface-2, #F3F4F6);
  color: var(--color-text-primary, #111);
}
.quiz-confirm-ok {
  background: var(--color-primary, #5E6AD2);
  color: #fff;
}

/* 每题反馈入口：选项下方靠右，低调不抢眼 */
.quiz-fb-row {
  display: flex;
  justify-content: flex-end;
  margin: 10px 2px 2px;
}
.quiz-fb-trigger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  padding: 0;
  border: none;
  background: transparent;
  color: var(--color-text-tertiary, #9CA3AF);
  cursor: pointer;
  border-radius: 8px;
  transition: background 0.15s ease, color 0.15s ease;
}
.quiz-fb-trigger:hover {
  color: var(--color-text-secondary, #6B7280);
  background: var(--color-surface-2, #F3F4F6);
}
.quiz-fb-trigger svg { width: 16px; height: 16px; }
.quiz-fb-row--review { margin: 14px 0 2px; }

/* 反馈弹窗 */
.quiz-fb-overlay {
  position: fixed;
  inset: 0;
  z-index: 1400;
  background: rgba(0, 0, 0, 0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  animation: quiz-confirm-fade 0.2s ease;
}
.quiz-fb-modal {
  position: relative;
  width: 100%;
  max-width: 360px;
  background: var(--color-surface, #fff);
  border-radius: var(--radius-lg, 16px);
  padding: 22px 20px 18px;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.25);
}
.quiz-fb-close {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 30px;
  height: 30px;
  border: none;
  background: transparent;
  color: var(--color-text-tertiary, #9CA3AF);
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
  border-radius: 8px;
}
.quiz-fb-close:hover { background: var(--color-surface-2, #F3F4F6); }
.quiz-fb-title {
  font-size: var(--font-size-lg, 17px);
  font-weight: 700;
  color: var(--color-text-primary, #111);
  padding-right: 28px;
}
.quiz-fb-sub {
  margin-top: 4px;
  font-size: var(--font-size-sm, 14px);
  color: var(--color-text-secondary, #555);
}
.quiz-fb-kinds {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 16px 0 12px;
}
.quiz-fb-chip {
  padding: 8px 12px;
  border: 1px solid var(--color-border, #E5E7EB);
  background: var(--color-surface, #fff);
  color: var(--color-text-secondary, #374151);
  border-radius: 999px;
  font-size: var(--font-size-sm, 14px);
  cursor: pointer;
  transition: all 0.15s ease;
}
.quiz-fb-chip:hover {
  border-color: var(--color-primary, #5E6AD2);
  color: var(--color-primary, #5E6AD2);
}
.quiz-fb-chip.active {
  background: var(--color-primary, #5E6AD2);
  border-color: var(--color-primary, #5E6AD2);
  color: #fff;
}
.quiz-fb-text {
  width: 100%;
  min-height: 76px;
  resize: vertical;
  padding: 10px 12px;
  border: 1px solid var(--color-border, #E5E7EB);
  border-radius: 12px;
  background: var(--color-surface-2, #F9FAFB);
  color: var(--color-text-primary, #111);
  font-size: var(--font-size-sm, 14px);
  font-family: inherit;
  line-height: 1.6;
}
.quiz-fb-text:focus {
  outline: none;
  border-color: var(--color-primary, #5E6AD2);
}
.quiz-fb-msg {
  min-height: 18px;
  margin: 8px 0 0;
  font-size: var(--font-size-sm, 13px);
  color: var(--color-text-tertiary, #9CA3AF);
}
.quiz-fb-msg.ok { color: var(--status-emerald, #047857); }
.quiz-fb-msg.err { color: var(--status-red, #B91C1C); }
.quiz-fb-actions {
  display: flex;
  gap: 12px;
  margin-top: 12px;
}
.quiz-fb-actions button {
  flex: 1;
  padding: 11px;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  border: none;
}
.quiz-fb-cancel {
  background: var(--color-surface-2, #F3F4F6);
  color: var(--color-text-primary, #111);
}
.quiz-fb-submit {
  background: var(--color-primary, #5E6AD2);
  color: #fff;
}
.quiz-fb-submit:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}