/* 每日练习 - 共享样式 */
.lx-hub { max-width: 800px; margin: 0 auto; padding: 0 0 40px; }
.lx-hub-title { font-size: 22px; font-weight: 600; color: var(--color-text); margin-bottom: 6px; }
.lx-hub-sub   { font-size: 13px; color: var(--color-text-sec); margin-bottom: 24px; }

.lx-cats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.lx-cat  {
  background: var(--color-panel); border: 1px solid var(--color-border-light);
  border-radius: 12px; padding: 16px 14px; cursor: pointer; text-decoration: none;
  transition: border-color .15s, box-shadow .15s;
}
.lx-cat:hover { border-color: var(--color-brand); box-shadow: 0 2px 10px rgba(0,0,0,.06); }
.lx-cat-icon  { font-size: 26px; margin-bottom: 8px; display: block; }
.lx-cat-name  { font-size: 14px; font-weight: 600; color: var(--color-text); display: block; margin-bottom: 4px; }
.lx-cat-desc  { font-size: 12px; color: var(--color-text-muted); display: block; line-height: 1.5; }

/* 练习页通用 */
.lx-page  { max-width: 740px; margin: 0 auto; padding: 0 0 60px; }
.lx-title { font-size: 20px; font-weight: 600; color: var(--color-text); margin-bottom: 4px; }
.lx-sub   { font-size: 13px; color: var(--color-text-sec); margin-bottom: 20px; }

.lx-card { background: var(--color-panel); border: 1px solid var(--color-border-light); border-radius: 12px; padding: 20px; margin-bottom: 20px; }
.lx-card-title { font-size: 15px; font-weight: 600; color: var(--color-text); margin-bottom: 14px; display: flex; align-items: center; gap: 8px; }
.lx-badge { display: inline-block; font-size: 11px; font-weight: 700; padding: 2px 8px; border-radius: 20px; color: #fff; background: var(--color-brand); }
.lx-badge.easy   { background: #52c41a; }
.lx-badge.medium { background: #fa8c16; }
.lx-badge.hard   { background: #f5222d; }

/* 题目条 */
.lx-q { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; flex-wrap: wrap; }
.lx-q-label { font-size: 13px; color: var(--color-text-sec); min-width: 72px; flex-shrink: 0; }
.lx-q-input {
  flex: 1; min-width: 120px; border: 1px solid var(--color-border); border-radius: 6px;
  padding: 6px 10px; font-size: 13px; background: var(--color-page); color: var(--color-text);
  outline: none;
}
.lx-q-input:focus { border-color: var(--color-brand); }
.lx-q-input.correct { border-color: #52c41a; background: #f6ffed; color: #135200; }
.lx-q-input.wrong   { border-color: #f5222d; background: #fff2f0; color: #820014; }
.lx-q-select {
  flex: 1; min-width: 120px; border: 1px solid var(--color-border); border-radius: 6px;
  padding: 6px 10px; font-size: 13px; background: var(--color-page); color: var(--color-text);
  outline: none;
}
.lx-q-select.correct { border-color: #52c41a; color: #135200; }
.lx-q-select.wrong   { border-color: #f5222d; color: #820014; }
.lx-q-hint { font-size: 11px; color: var(--color-text-muted); }

/* 选择题 */
.lx-mc { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin: 10px 0 14px; }
.lx-mc-opt {
  border: 1px solid var(--color-border); border-radius: 8px; padding: 8px 12px;
  font-size: 13px; color: var(--color-text); cursor: pointer; user-select: none;
  transition: border-color .12s, background .12s;
}
.lx-mc-opt:hover  { border-color: var(--color-brand); background: var(--color-subtle); }
.lx-mc-opt.sel    { border-color: var(--color-brand); background: var(--color-subtle); }
.lx-mc-opt.correct{ border-color: #52c41a; background: #f6ffed; color: #135200; }
.lx-mc-opt.wrong  { border-color: #f5222d; background: #fff2f0; color: #820014; }
/* 题目对错标记 + 答案解析 */
.lx-q-mark { font-size: 14px; font-weight: 700; margin-left: 6px; }
.lx-q-mark.ok  { color: #52c41a; }
.lx-q-mark.err { color: #f5222d; }
.lx-ans-hint { margin: 0 0 14px; font-size: 12px; color: var(--color-text-sec); line-height: 1.6; }

/* 排序题 */
.lx-sort { display: flex; flex-wrap: wrap; gap: 8px; margin: 10px 0 14px; }
.lx-sort-item {
  padding: 6px 12px; border: 1px solid var(--color-border); border-radius: 6px;
  font-size: 13px; cursor: grab; background: var(--color-panel); color: var(--color-text);
  user-select: none;
}
.lx-sort-item.dragging { opacity: .5; }
.lx-sort-item.correct-pos { border-color: #52c41a; }
.lx-sort-item.wrong-pos   { border-color: #f5222d; }

/* 按钮行 */
.lx-btn-row { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 16px; }
.lx-btn {
  padding: 8px 20px; border-radius: 20px; font-size: 13px; cursor: pointer; border: none;
  font-weight: 500; transition: opacity .12s;
}
.lx-btn:hover { opacity: .85; }
.lx-btn-check  { background: var(--color-brand); color: #fff; }
.lx-btn-answer { background: var(--color-panel); color: var(--color-text); border: 1px solid var(--color-border); }
.lx-btn-reset  { background: var(--color-panel); color: var(--color-text-sec); border: 1px solid var(--color-border-light); }

/* 答案展示 */
.lx-answer-box {
  display: none; margin-top: 12px; padding: 12px 14px;
  background: var(--color-subtle); border-radius: 8px;
  font-size: 13px; color: var(--color-text); line-height: 1.8;
  border-left: 3px solid var(--color-brand);
}
.lx-answer-box.show { display: block; }

/* 进度条 */
.lx-progress { font-size: 12px; color: var(--color-text-muted); margin-bottom: 16px; }
.lx-progress-bar { height: 4px; background: var(--color-border-light); border-radius: 2px; margin-top: 4px; }
.lx-progress-fill { height: 100%; background: var(--color-brand); border-radius: 2px; transition: width .3s; }

/* 结果浮层 */
.lx-result-tip {
  display: none; padding: 10px 16px; border-radius: 8px; margin-top: 12px;
  font-size: 13px; font-weight: 600;
}
.lx-result-tip.show { display: block; }
/* 八字命盘柱 */
.bz-pillars { display: flex; gap: 10px; margin-bottom: 8px; flex-wrap: wrap; }
.bz-pi { text-align: center; min-width: 52px; }
.bz-pl { font-size: 11px; color: var(--color-text-muted); margin-bottom: 4px; }
.bz-tg { font-size: 22px; font-weight: 700; color: var(--color-text); line-height: 1.2; }
.bz-dz { font-size: 18px; color: var(--color-text-sec); line-height: 1.3; }

/* 八字练习题条 */
.bz-ex-card { border: 1px solid var(--color-border-light); border-radius: 10px; padding: 16px; margin-bottom: 14px; background: var(--color-page); }
.bz-qlist   { margin: 10px 0; }
.bz-qi      { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; flex-wrap: wrap; }
.bz-qi.correct .lx-q-input, .bz-qi.correct .lx-q-select { border-color: #52c41a; background: #f6ffed; }
.bz-qi.wrong   .lx-q-input, .bz-qi.wrong   .lx-q-select { border-color: #f5222d; background: #fff2f0; }
.bz-ql { font-size: 12px; color: var(--color-text-sec); min-width: 64px; flex-shrink: 0; }

/* 八字选择题选项（单选）*/
.bz-mc     { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin: 8px 0 12px; }
.bz-mc-opt {
  border: 1px solid var(--color-border); border-radius: 8px; padding: 8px 12px;
  font-size: 13px; color: var(--color-text); cursor: pointer; user-select: none;
  transition: border-color .12s, background .12s;
}
.bz-mc-opt:hover   { border-color: var(--color-brand); background: var(--color-subtle); }
.bz-mc-opt.sel     { border-color: var(--color-brand); background: var(--color-subtle); }
.bz-mc-opt.correct { border-color: #52c41a; background: #f6ffed; color: #135200; }
.bz-mc-opt.wrong-sel { border-color: #f5222d; background: #fff2f0; color: #820014; }

/* 理论速查折叠 */
.bz-ref-box { border: 1px solid var(--color-border-light); border-radius: 8px; overflow: hidden; margin-top: 12px; }
.bz-ref-hd  { padding: 10px 14px; font-size: 13px; font-weight: 600; color: var(--color-text); cursor: pointer; background: var(--color-subtle); }
.bz-ref-bd  { display: none; padding: 14px; font-size: 12px; color: var(--color-text-sec); line-height: 1.9; }
.bz-ref-bd.open { display: block; }