/* category-quiz.css — 分类错题练习页面样式 */

/* ---- 分类错题导航按钮 ---- */
@keyframes categoryPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(124, 58, 237, 0.5); }
  50%      { box-shadow: 0 0 0 10px rgba(124, 58, 237, 0); }
}
.btn-category {
  background: linear-gradient(135deg, #7c3aed, #c026d3);
  color: #fff !important;
  border: none !important;
  font-weight: 700 !important;
  padding: 6px 18px !important;
  border-radius: 20px !important;
  animation: categoryPulse 2s ease-in-out infinite;
  transition: transform 0.2s ease;
  box-shadow: 0 2px 8px rgba(124, 58, 237, 0.35);
}
.btn-category:hover {
  transform: scale(1.08);
  box-shadow: 0 4px 16px rgba(124, 58, 237, 0.5);
  animation: none;
}
.btn-category:active { transform: scale(0.97); }

/* ---- 分类错题容器 ---- */

.cq-container {
  max-width: 820px;
  margin: 24px auto;
  padding: 0 16px;
}

.cq-header {
  margin-bottom: 24px;
}

.cq-title {
  font-size: 22px;
  font-weight: 700;
  margin: 0 0 8px;
  color: var(--text, #111827);
}

.cq-desc {
  font-size: 14px;
  color: var(--muted, #6b7280);
  line-height: 1.6;
  margin: 0;
}

/* 分类卡片网格 */
.cq-cat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 14px;
}

.cq-cat-card {
  position: relative;
  display: block;
  padding: 18px 20px;
  border: 1.5px solid var(--border-color, #e5e7eb);
  border-radius: 14px;
  cursor: pointer;
  transition: all 0.15s ease;
  text-decoration: none;
  background: var(--card-bg, #fff);
}

.cq-cat-card:hover {
  border-color: #7c3aed;
  background: rgba(124, 58, 237, 0.04);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.06);
}

.cq-cat-all {
  margin-bottom: 14px;
  border-color: #7c3aed;
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.06), rgba(37, 99, 235, 0.04));
}

.cq-cat-all:hover {
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.12), rgba(37, 99, 235, 0.08));
}

.cq-cat-num {
  position: absolute;
  top: 14px;
  right: 16px;
  font-size: 12px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 999px;
  background: rgba(124, 58, 237, 0.12);
  color: #7c3aed;
}

.cq-cat-all .cq-cat-num {
  background: #7c3aed;
  color: #fff;
}

.cq-cat-name {
  font-size: 17px;
  font-weight: 700;
  color: var(--text, #111827);
  margin-bottom: 6px;
}

.cq-cat-go {
  font-size: 13px;
  color: #7c3aed;
  font-weight: 600;
}

/* 答题页顶部栏 */
.cq-quiz-bar {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.cq-bar-cat {
  font-size: 15px;
  font-weight: 700;
  color: #7c3aed;
  background: rgba(124, 58, 237, 0.1);
  padding: 4px 14px;
  border-radius: 999px;
}

/* Markdown 渲染区域 */
.cq-md {
  font-size: 14px;
  line-height: 1.8;
  color: var(--text, #111827);
}

.cq-md p {
  margin: 0 0 10px;
}

.cq-md p:last-child {
  margin-bottom: 0;
}

.cq-md table {
  width: 100%;
  border-collapse: collapse;
  margin: 8px 0 12px;
  font-size: 13px;
}

.cq-md th,
.cq-md td {
  border: 1px solid var(--border-color, #e5e7eb);
  padding: 6px 10px;
  text-align: left;
}

.cq-md th {
  background: rgba(124, 58, 237, 0.06);
  font-weight: 700;
}

.cq-md tr:nth-child(even) td {
  background: rgba(0, 0, 0, 0.02);
}

.cq-md ul,
.cq-md ol {
  margin: 6px 0 10px;
  padding-left: 22px;
}

.cq-md li {
  margin-bottom: 4px;
}

.cq-md strong {
  font-weight: 700;
}

.cq-md span[style*="color:red"] {
  color: #dc2626 !important;
  font-weight: 600;
}

.cq-md mark {
  background: rgba(245, 158, 11, 0.25);
  padding: 1px 4px;
  border-radius: 3px;
  font-weight: 600;
}

.cq-md blockquote {
  margin: 8px 0;
  padding: 10px 14px;
  border-left: 3px solid #7c3aed;
  background: rgba(124, 58, 237, 0.04);
  border-radius: 0 8px 8px 0;
}

.cq-md blockquote p {
  margin: 0 0 6px;
}

.cq-md blockquote p:last-child {
  margin: 0;
}

.cq-md blockquote table {
  margin: 4px 0;
}

/* 选错根本原因块 */
.cq-rootcause {
  background: rgba(220, 38, 38, 0.05);
  border: 1px solid rgba(220, 38, 38, 0.25);
}

/* 类比理解块 */
.cq-analogy {
  background: rgba(8, 145, 178, 0.05);
  border: 1px solid rgba(8, 145, 178, 0.2);
}

/* 判断口诀块 */
.cq-mnemonics {
  background: rgba(22, 163, 74, 0.05);
  border: 1px solid rgba(22, 163, 74, 0.25);
}

/* 复用 rq-* 样式兼容 */
.cq-quiz-bar .btn {
  padding: 7px 16px;
  font-size: 13px;
  font-weight: 600;
  border-radius: 8px;
  cursor: pointer;
  border: none;
}

@media (max-width: 600px) {
  .cq-cat-grid {
    grid-template-columns: 1fr;
  }
  .cq-title {
    font-size: 20px;
  }
}