/* 形近字辨析训练 /tool/xingjinzi 样式（依赖 calc-common.css 全局变量） */

/* 分组列表 */
.xj-group-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    max-height: 340px;
    overflow-y: auto;
    margin-top: 10px;
    padding-right: 4px;
}
.xj-group-item {
    display: flex;
    flex-direction: column;
    gap: 3px;
    padding: 9px 12px;
    border: 1px solid var(--c-border);
    border-radius: 10px;
    background: var(--c-surface-soft);
    font-family: inherit;
    text-align: left;
    cursor: pointer;
    transition: border-color .16s ease, transform .16s ease;
}
.xj-group-item:hover { border-color: var(--c-primary); transform: translateY(-1px); }
.xj-group-item.active {
    border-color: var(--c-primary);
    background: linear-gradient(135deg, rgba(0,150,220,.14), rgba(0,150,220,.06));
}
.xj-group-item b { font-size: 14px; color: var(--c-text); letter-spacing: 2px; }
.xj-group-item small {
    font-size: 11px; color: var(--c-text-muted);
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}

/* 右侧详情 */
.xj-detail-head {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 14px;
}
.xj-detail-tag {
    flex: none;
    padding: 3px 12px;
    border-radius: 99px;
    font-size: 12px;
    font-weight: 800;
    color: #0a7fc0;
    background: rgba(0,150,220,.12);
    border: 1px solid rgba(0,150,220,.3);
}
.xj-detail-tag.is-ai {
    color: #8b5cf6;
    background: rgba(139,92,246,.12);
    border-color: rgba(139,92,246,.35);
}
.xj-detail-chars { font-size: 20px; font-weight: 800; letter-spacing: 4px; color: var(--c-text); }

.xj-char-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
    gap: 10px;
    margin-bottom: 14px;
}
.xj-char-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 14px 8px;
    border: 1px solid var(--c-border);
    border-radius: 14px;
    background: var(--c-surface-soft);
    text-align: center;
}
.xj-char-card .c { font-size: 40px; font-weight: 800; line-height: 1.1; color: var(--c-text); }
.xj-char-card .p { font-size: 12.5px; font-weight: 700; color: #0a7fc0; }
.xj-char-card .w { font-size: 11.5px; color: var(--c-text-muted); line-height: 1.5; }

.xj-tip, .xj-note {
    font-size: 13px;
    line-height: 1.8;
    color: var(--c-text-sub);
    padding: 12px 14px;
    border-radius: 12px;
    margin-bottom: 10px;
}
.xj-tip {
    background: rgba(245, 158, 11, .1);
    border: 1px solid rgba(245, 158, 11, .3);
}
.xj-note {
    background: var(--c-surface-soft);
    border: 1px solid var(--c-border);
}
.xj-tip .lbl, .xj-note .lbl {
    display: inline-block;
    margin-right: 8px;
    padding: 1px 8px;
    border-radius: 6px;
    font-size: 11px;
    font-weight: 800;
    background: rgba(0,0,0,.06);
    color: var(--c-text-sub);
}
.xj-ai-flag { font-size: 11.5px; color: var(--c-text-muted); }

/* 闯关 */
.xj-quiz-box { margin-bottom: 8px; }
.xj-quiz-progress { font-size: 11.5px; color: var(--c-text-muted); margin-bottom: 6px; }
.xj-quiz-sentence {
    font-size: 17px;
    font-weight: 700;
    line-height: 1.9;
    color: var(--c-text);
    padding: 14px 16px;
    border-radius: 12px;
    background: var(--c-surface-soft);
    border: 1px solid var(--c-border);
    margin-bottom: 12px;
}
.xj-blank { color: #0a7fc0; letter-spacing: 1px; }
.xj-quiz-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(64px, 1fr));
    gap: 8px;
    margin-bottom: 10px;
}
.xj-opt {
    height: 52px;
    border-radius: 12px;
    border: 1.5px solid var(--c-border);
    background: var(--c-surface-soft);
    font-family: inherit;
    font-size: 22px;
    font-weight: 800;
    color: var(--c-text);
    cursor: pointer;
    transition: all .15s ease;
}
.xj-opt:hover { border-color: var(--c-primary); transform: translateY(-1px); }
.xj-opt.is-ok { border-color: #16a34a; background: rgba(22,163,74,.12); color: #16a34a; }
.xj-opt.is-err { border-color: #dc2626; background: rgba(220,38,38,.1); color: #dc2626; }
.xj-quiz-feedback {
    font-size: 12.5px;
    line-height: 1.8;
    padding: 10px 14px;
    border-radius: 10px;
    margin-bottom: 8px;
}
.xj-quiz-feedback.is-ok { background: rgba(22,163,74,.1); border: 1px solid rgba(22,163,74,.3); color: var(--c-text-sub); }
.xj-quiz-feedback.is-err { background: rgba(220,38,38,.08); border: 1px solid rgba(220,38,38,.25); color: var(--c-text-sub); }
.xj-quiz-feedback b { color: var(--c-text); }
.xj-goto-group {
    display: inline-block;
    margin-left: 8px;
    padding: 2px 10px;
    border: none;
    border-radius: 8px;
    background: var(--c-primary);
    color: #fff;
    font-size: 11.5px;
    font-family: inherit;
    cursor: pointer;
}
.xj-quiz-score { font-size: 12.5px; color: var(--c-text-muted); margin-top: 8px; }
.xj-quiz-score b { color: var(--c-text); }

/* AI 行 */
.xj-ai-row { display: flex; gap: 8px; }
.xj-ai-row .calc-input { flex: 1; }
.xj-ai-btn { flex: none; padding: 0 16px; height: 43px; border-radius: 12px; }
.xj-ai-status { font-size: 12px; margin-top: 6px; min-height: 1em; color: var(--c-text-muted); }
.xj-ai-status.is-ok { color: #16a34a; }
.xj-ai-status.is-err { color: #dc2626; }

/* 速览表可点击行 */
.xj-row-link { cursor: pointer; transition: background .15s ease; }
.xj-row-link:hover { background: var(--c-surface-soft); }

/* 响应式 */
@media (max-width: 640px) {
    .xj-group-list { grid-template-columns: 1fr; max-height: 260px; }
    .xj-char-card .c { font-size: 34px; }
    .xj-opt { height: 48px; font-size: 20px; }
    .xj-quiz-sentence { font-size: 15px; }
}

/* 黑夜模式微调 */
[data-theme="dark"] .xj-tip {
    background: rgba(245,158,11,.12);
    border-color: rgba(245,158,11,.35);
}
[data-theme="dark"] .xj-tip .lbl,
[data-theme="dark"] .xj-note .lbl { background: rgba(255,255,255,.08); }