/* ============================================================
   知识库视图（验收项7）：类别卡片 + 检索 + 提交/待审核/已通过
   复用 shell.css 的设计令牌与 .sa-card/.sa-btn 等通用类
   ============================================================ */

.kb-page {
    padding: 18px 20px;
    box-sizing: border-box;
}

/* ---------------- 类别卡片 ---------------- */
.kb-cat-row {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(168px, 1fr));
    gap: 12px;
    margin-bottom: 16px;
}

.kb-cat-card {
    background: var(--sa-panel);
    border: 1px solid var(--sa-border);
    border-radius: var(--sa-radius);
    box-shadow: var(--sa-shadow);
    padding: 12px 14px;
    cursor: pointer;
    transition: border-color .15s, transform .15s;
}
.kb-cat-card:hover { border-color: var(--sa-accent); transform: translateY(-1px); }
.kb-cat-card.active {
    border-color: var(--sa-accent);
    box-shadow: 0 0 0 2px var(--sa-accent-weak);
}
.kb-cat-name {
    font-size: 14px;
    font-weight: 700;
    color: var(--sa-text);
    margin-bottom: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.kb-cat-sub { font-size: 12px; color: var(--sa-muted); }
.kb-cat-sub b { color: var(--sa-accent); font-size: 13px; }

/* ---------------- 主布局 ---------------- */
.kb-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 360px;
    gap: 16px;
    align-items: start;
}
@media (max-width: 1100px) {
    .kb-layout { grid-template-columns: 1fr; }
}

.kb-main { min-width: 0; }
.kb-side { display: flex; flex-direction: column; gap: 16px; min-width: 0; }

/* ---------------- 搜索栏 ---------------- */
.kb-search-bar {
    display: flex;
    gap: 10px;
    align-items: center;
}
.kb-search-input { flex: 1; }
.kb-search-cat { width: 150px; flex: 0 0 auto; }

/* ---------------- 结果列表 ---------------- */
.kb-results { display: flex; flex-direction: column; gap: 10px; }

.kb-empty {
    color: var(--sa-muted);
    font-size: 13px;
    padding: 18px 4px;
    text-align: center;
}
.kb-err { color: var(--sa-critical); }

.kb-result {
    border: 1px solid var(--sa-border);
    border-radius: 8px;
    padding: 10px 12px;
    background: var(--sa-panel-2);
}
.kb-result-head {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 6px;
}
.kb-result-title {
    font-weight: 700;
    font-size: 13px;
    color: var(--sa-text);
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.kb-tag-cat {
    flex: 0 0 auto;
    display: inline-block;
    background: var(--sa-accent-weak);
    color: var(--sa-accent);
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
    padding: 2px 9px;
    white-space: nowrap;
}
.kb-result-snippet {
    font-size: 13px;
    color: var(--sa-text);
    line-height: 1.55;
    word-break: break-word;
    overflow-wrap: anywhere;
    margin-bottom: 6px;
    max-height: 4.6em;
    overflow: hidden;
}
.kb-result-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 12px;
    color: var(--sa-muted);
}
.kb-origin { color: var(--sa-low); }

/* ---------------- 提交表单 ---------------- */
.kb-form-row {
    display: flex;
    gap: 10px;
    margin-top: 10px;
    align-items: center;
}
.kb-form-row .sa-select { flex: 1; }

.kb-alert {
    margin-top: 10px;
    border-radius: 8px;
    padding: 9px 12px;
    font-size: 13px;
    line-height: 1.5;
    word-break: break-word;
    overflow-wrap: anywhere;
}
.kb-alert-block { background: #fdeceb; color: var(--sa-critical); border: 1px solid #f3b8b3; }
.kb-alert-warn  { background: #fef7e0; color: #b7791f; border: 1px solid #ecd28a; }

/* ---------------- 待审核 / 已通过 ---------------- */
.kb-pending, .kb-approved { display: flex; flex-direction: column; gap: 10px; }

.kb-pend-item {
    border: 1px solid var(--sa-border);
    border-left: 3px solid var(--sa-high);
    border-radius: 8px;
    padding: 10px 12px;
    background: #fffdf7;
}
.kb-appr-item {
    border: 1px solid var(--sa-border);
    border-left: 3px solid var(--sa-ok);
    border-radius: 8px;
    padding: 10px 12px;
    background: #f6fdf9;
}
.kb-pend-content {
    font-size: 13px;
    color: var(--sa-text);
    line-height: 1.55;
    word-break: break-word;
    overflow-wrap: anywhere;
    max-height: 6em;
    overflow: auto;
    margin-bottom: 6px;
}
.kb-pend-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
    font-size: 12px;
    color: var(--sa-muted);
    margin-bottom: 8px;
}
.kb-pend-actions { display: flex; gap: 8px; }