/* 布局骨架（与主题无关） */
* { margin:0; padding:0; box-sizing:border-box; }
body { font-family:"Microsoft YaHei",system-ui,sans-serif; line-height:1.7; }
.layout { display:flex; min-height:100vh; }
.sidebar { width:320px; min-width:320px; padding:20px 16px; position:sticky; top:0; height:100vh; overflow-y:auto; }
.sidebar h2 { font-size:1rem; margin-bottom:14px; }
.sidebar a { display:block; text-decoration:none; font-size:.85rem; padding:5px 10px; border-radius:8px; margin:2px 0; }
.sidebar .cat { font-weight:bold; font-size:.88rem; margin-top:12px; padding:4px 10px; cursor:pointer; user-select:none; display:flex; align-items:center; gap:6px; border-radius:8px; transition:background .12s; }
.sidebar .cat-name { text-decoration:none; flex:1; min-width:0; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.sidebar .cat-name:hover { text-decoration:underline; }
.sidebar .cat:hover { background:rgba(255,255,255,.4); }
.sidebar .cat-arrow { font-size:.65rem; opacity:.7; transition:transform .15s; }
.sidebar .cat .cat-ops { display:none; margin-left:auto; gap:2px; }
.sidebar .cat:hover .cat-ops { display:inline-flex; }
.sidebar .cat-op { border:none; background:transparent; cursor:pointer; font-size:.7rem; padding:1px 3px; opacity:.55; border-radius:4px; }
.sidebar .cat-op:hover { opacity:1; background:rgba(120,140,180,.15); }
.sidebar .cat-op-del:hover { background:rgba(224,104,104,.2); }
.sidebar .cat.collapsed .cat-arrow { transform:rotate(-90deg); }
.sidebar .cat.active-cat { color:var(--accent, #3865cc); background:rgba(56,101,204,.08); font-weight:700; }
.sidebar .cat:first-child { margin-top:0; }
.sidebar .cat-sub { font-weight:600; font-size:.8rem; margin-top:4px; padding:3px 10px 3px 22px; }
.sidebar .cat-sub .cat-arrow { margin-right:2px; }
.sidebar .cat-files { padding-left:6px; }
.sidebar .file { padding-left:22px; }
.sidebar .file-d1 { padding-left:34px; font-size:.8rem; }
.sidebar .file-d2 { padding-left:46px; font-size:.78rem; }
.sidebar .file-d3 { padding-left:58px; font-size:.76rem; }
.search-box { margin-bottom:16px; }
.search-box input { width:100%; padding:8px 10px; border-radius:8px; font-size:.85rem; outline:none; }
.content { flex:1; padding:32px 40px; max-width:960px; }

/* ── P0：侧边栏收起/展开 ── */
.sb-toggle { display:flex; align-items:center; justify-content:center; width:26px; height:26px;
  margin-left:auto; margin-bottom:10px; border-radius:8px; cursor:pointer; font-size:.7rem;
  border:none; transition:transform .15s; }
.sb-toggle:hover { transform:scale(1.1); }
.sidebar.sb-collapsed { width:64px; min-width:64px; padding:20px 8px; }
.sidebar.sb-collapsed .sb-toggle { margin:0 auto 12px; }
.sidebar.sb-collapsed .lib-nav-row { display:flex; flex-direction:column; gap:4px; align-items:center; }
.sidebar.sb-collapsed .lib-nav-row .lib-nav { padding:4px; }
.sidebar.sb-collapsed .lib-nav-row .lib-nav span { display:none; }
.sidebar.sb-collapsed .search-box { display:none; }
.sidebar.sb-collapsed .cat, .sidebar.sb-collapsed .file { display:none; }
.sidebar.sb-collapsed .cat-files { display:none !important; }
.sidebar.sb-collapsed a { text-align:center; }

/* ── P1：库导航行（一行文字链接，替代 Tab 卡片） ── */
.lib-nav-row { display:flex; gap:4px; margin-bottom:12px; padding:4px; border-radius:10px; flex-wrap:wrap; }
.lib-nav { display:inline-block; font-size:.78rem; padding:3px 10px; border-radius:8px; text-decoration:none; opacity:.75; transition:opacity .12s, background .12s; }
.lib-nav:hover { opacity:1; }
.lib-nav.active { opacity:1; font-weight:700; }

/* ── P1：面包屑（浅底色胶囊） ── */
.crumbs { display:inline-flex; align-items:center; gap:6px; }
.crumb-item { padding:3px 12px; border-radius:8px; font-size:.82rem; }
.crumb-sep { opacity:.4; font-size:.75rem; }

/* ── P1：表格复选框/排序/批量工具栏 ── */
.tb-toolbar { display:flex; align-items:center; gap:8px; margin:10px 0; flex-wrap:wrap; }
.tb-col-chk { width:34px; text-align:center; }
.tb-chk { text-align:center; }
.tb-chkbox { width:15px; height:15px; cursor:pointer; accent-color:var(--accent,#3865cc); }
.tb-sortable { cursor:pointer; user-select:none; white-space:nowrap; }
.tb-sortable:hover { opacity:.8; }
.tb-sort-arrow { font-size:.7rem; opacity:.7; }
.tb-filter { padding:5px 10px; border-radius:8px; font-size:.78rem; cursor:pointer; border:none; }
.tb-batch { display:inline-flex; align-items:center; gap:8px; font-size:.8rem; padding:4px 10px; border-radius:10px; }
.tb-batch-del { padding:4px 12px; border-radius:8px; cursor:pointer; font-size:.78rem; border:none; }
.tb-mkdir { padding:6px 14px; border-radius:10px; cursor:pointer; font-size:.8rem; border:none; margin-left:8px; }
.tb-back { display:inline-flex; align-items:center; padding:6px 14px; border-radius:10px; font-size:.8rem; text-decoration:none; margin-left:8px; transition:transform .12s; }
/* A 方案：分组折叠 */
.tb-grp-list { margin-top:14px; }
.tb-grp-head { display:flex; align-items:center; gap:8px; padding:10px 14px; border-radius:10px; cursor:pointer; font-weight:700; font-size:.9rem; margin-bottom:4px; user-select:none; transition:background .12s; }
.tb-grp-arrow { font-size:.7rem; opacity:.7; width:14px; }
.tb-grp-count { margin-left:auto; font-size:.75rem; font-weight:400; opacity:.6; }
.tb-grp-body { padding:2px 6px 10px 22px; }
.tb-grp-item { display:flex; align-items:center; gap:8px; padding:6px 10px; border-radius:8px; font-size:.85rem; transition:background .1s; }
.tb-grp-item:hover { background:rgba(120,140,180,.12); }
.tb-grp-item a { text-decoration:none; display:inline-flex; align-items:center; gap:6px; flex:1; min-width:0; }
.tb-grp-item-name { overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.tb-grp-item-tags { display:flex; gap:4px; }
.tb-grp-item-size { font-size:.75rem; opacity:.65; min-width:52px; text-align:right; }
.tb-grp-item-date { font-size:.75rem; opacity:.55; min-width:80px; text-align:right; }
/* C 方案：卡片平铺 */
.tb-cards { display:grid; grid-template-columns:repeat(auto-fill,minmax(280px,1fr)); gap:14px; margin-top:14px; }
.tb-card { border-radius:14px; padding:4px; }
.tb-card-head { display:flex; align-items:center; gap:8px; padding:10px 14px; font-weight:700; font-size:.9rem; border-bottom:1px solid rgba(120,140,180,.15); }
.tb-card-count { margin-left:auto; font-size:.72rem; font-weight:400; opacity:.6; }
.tb-card-body { padding:8px 10px; }
.tb-card-item { display:flex; align-items:center; gap:6px; padding:5px 6px; border-radius:8px; font-size:.82rem; transition:background .1s; }
.tb-card-item:hover { background:rgba(120,140,180,.12); }
.tb-card-item a { text-decoration:none; flex:1; min-width:0; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.tb-card-item .tb-tag { font-size:.68rem; }
.tb-batch-move { padding:4px 12px; border-radius:8px; cursor:pointer; font-size:.78rem; border:none; }
.tb-move-select { width:100%; padding:8px 10px; border-radius:8px; font-size:.85rem; margin-bottom:16px; cursor:pointer; border:none; }
.tb-batch-clear { padding:4px 10px; border-radius:8px; cursor:pointer; font-size:.76rem; border:none; opacity:.75; }
.tb-count-strong { font-weight:700; font-size:.9rem; padding:2px 12px; border-radius:10px; }
.tb-dropzone { border:1.5px dashed rgba(120,140,180,.28); border-radius:10px; padding:8px 16px;
  margin-bottom:12px; text-align:center; font-size:.76rem; color:var(--text-soft); cursor:pointer;
  transition:border-color .15s, background .15s; opacity:.85; }
.tb-dropzone:hover { opacity:1; }
.tb-dropzone.drag { border-color:var(--accent,#3865cc); background:rgba(56,101,204,.08); color:var(--accent); opacity:1; }
.tb-progress { display:flex; align-items:center; gap:10px; margin-bottom:12px; padding:4px 0; }
.tb-progress-track { flex:1; height:8px; border-radius:4px; background:rgba(120,140,180,.18); overflow:hidden; }
.tb-progress-fill { height:100%; width:0%; background:var(--accent,#3865cc); border-radius:4px; transition:width .2s; }
.tb-progress-text { font-size:.75rem; color:var(--text-soft); min-width:38px; text-align:right; }
.empty-state { text-align:center; padding:70px 20px; }
.empty-icon { font-size:3.2rem; opacity:.5; margin-bottom:14px; }
.empty-title { font-size:1.2rem; margin-bottom:8px; }
.empty-desc { font-size:.88rem; opacity:.65; margin-bottom:22px; }
.empty-upload { margin:0 auto; display:inline-flex; }
.pdf-index-note { margin-top:18px; padding:10px 16px; border-radius:10px; font-size:.85rem; background:rgba(56,101,204,.08); color:var(--text-soft,#565e6e); }
.pdf-index-note a { color:var(--accent,#3865cc); }
.tb-loading { display:flex; align-items:center; gap:12px; padding:50px; justify-content:center; color:var(--text-soft); font-size:.9rem; }
.tb-spinner { width:26px; height:26px; border-radius:50%; border:3px solid rgba(120,140,180,.25); border-top-color:var(--accent,#3865cc); animation:tb-spin .8s linear infinite; }
@keyframes tb-spin { to { transform:rotate(360deg); } }
.tb-confirm-mask { position:fixed; inset:0; background:rgba(0,0,0,.45); display:flex; align-items:center; justify-content:center; z-index:200; }
.tb-confirm { background:var(--surface,#f0f2f7); border-radius:14px; padding:26px 30px; max-width:360px; width:90%; text-align:center;
  box-shadow: 10px 10px 24px rgba(0,0,0,.25); animation:tb-pop .18s ease; }
@keyframes tb-pop { from { transform:scale(.92); opacity:0; } to { transform:scale(1); opacity:1; } }
.tb-confirm-icon { font-size:2rem; margin-bottom:10px; }
.tb-confirm-msg { font-size:.92rem; line-height:1.7; margin-bottom:20px; }
.tb-confirm-actions { display:flex; gap:10px; justify-content:center; }
.tb-confirm-cancel, .tb-confirm-ok { padding:8px 24px; border-radius:10px; cursor:pointer; font-size:.85rem; font-weight:600; border:none; transition:transform .12s; }
.tb-confirm-cancel:hover, .tb-confirm-ok:hover { transform:translateY(-1px); }
.tb-confirm-ok { background:var(--accent,#3865cc); color:#fff; }
.tb-confirm-cancel { background:rgba(150,155,170,.2); color:var(--text,#2f3642); }

/* ── P0：表格行 hover / 分页 ── */
.tb-row { cursor:pointer; transition:background .12s; }
.tb-row:hover { background:rgba(120,140,180,.08); }
.tb-pagebar { display:flex; align-items:center; gap:6px; margin:10px 0; flex-wrap:wrap; }
.tb-page-btn { width:30px; height:30px; border-radius:8px; cursor:pointer; font-size:.75rem;
  border:none; display:inline-flex; align-items:center; justify-content:center; transition:transform .12s, background .12s, color .12s; }
.tb-page-btn:hover:not(:disabled) { transform:scale(1.1); }
.tb-page-btn:disabled { opacity:.4; cursor:default; }
.tb-page-btn.tb-page-cur { font-weight:700; }
.tb-page-info { font-size:.78rem; min-width:64px; text-align:center; }
.tb-page-size { padding:4px 8px; border-radius:8px; font-size:.75rem; cursor:pointer; border:none; }
.content h1 { font-size:1.6rem; margin-bottom:16px; padding-bottom:10px; border-bottom:1px solid; }
.content h2 { font-size:1.2rem; margin:24px 0 10px; }
.content h3 { font-size:1.05rem; margin:18px 0 8px; }
.content p { margin:8px 0; }
.content ul, .content ol { margin:8px 0 8px 24px; }
.content code { padding:2px 6px; border-radius:6px; font-size:.85em; }
.content pre { padding:14px; border-radius:8px; overflow-x:auto; margin:12px 0; }
.content pre code { padding:0; background:none; }
.content blockquote { border-left:3px solid; padding:6px 14px; margin:10px 0; border-radius:0 6px 6px 0; }
.content table { border-collapse:collapse; margin:12px 0; width:100%; }
.content th, .content td { border:1px solid; padding:8px 12px; font-size:.9rem; }
.content img { max-width:100%; border-radius:8px; }
.crumbs { font-size:.8rem; margin-bottom:16px; }
.crumbs a { text-decoration:none; }
.kb-home .card { border-radius:10px; padding:16px 20px; margin-bottom:12px; }
.kb-home .card h3 { margin-bottom:6px; }
.kb-home .card p { font-size:.88rem; }
.meta { font-size:.8rem; margin-bottom:20px; }
.meta span { margin-right:16px; }
.result { border-radius:10px; padding:14px 18px; margin-bottom:10px; }
.result h3 { font-size:.95rem; }
.result h3 a { text-decoration:none; }
.result p { font-size:.85rem; margin-top:4px; }
.empty { text-align:center; padding:40px 0; }
.topbar { display:flex; justify-content:space-between; align-items:center; margin-bottom:20px; }
.topbar a { text-decoration:none; font-size:.85rem; }
.logout-form { margin:0; }
.logout-link { border:0; font:inherit; cursor:pointer; }
/* 库切换器（资料文库/设计经验） */
.lib-switch { display:grid; grid-template-columns:repeat(3,1fr); gap:10px; margin-bottom:18px; padding:12px 10px; border-radius:14px; }
.lib-opt { display:flex; flex-direction:column; align-items:center; justify-content:center; gap:5px; padding:12px 4px; border-radius:10px; text-decoration:none; transition:transform .12s; }
.lib-opt:hover { transform:translateY(-1px); }
.lib-opt .lib-icon { font-size:1.3rem; line-height:1; }
.lib-opt .lib-name { font-size:.72rem; white-space:nowrap; letter-spacing:.5px; }
/* ── 首页骨架（与主题无关） ── */
.home { max-width:960px; margin:0 auto; padding:40px 24px; }
.home header { text-align:center; padding:30px 0 10px; }
.home h1 { font-size:2.2rem; letter-spacing:2px; }
.home .badge { display:inline-block; margin-top:10px; padding:4px 14px; border-radius:14px; font-size:.8rem; }
.home .sub { margin-top:10px; font-size:.95rem; }
.home .section-title { margin-top:36px; font-size:1.1rem; border-left:3px solid; padding-left:10px; }
.home .grid { display:grid; grid-template-columns:repeat(auto-fill, minmax(280px, 1fr)); gap:16px; margin-top:30px; }
.home .card { border-radius:10px; padding:18px; transition:transform .15s, box-shadow .15s; }
.home .card h3 { font-size:1rem; margin-bottom:6px; display:flex; align-items:center; gap:8px; }
.home .card p { font-size:.85rem; }
.home .card a { text-decoration:none; font-size:.85rem; }
.home .card a:hover { text-decoration:underline; }
.home .hero-btn { display:inline-block; padding:12px 36px; border-radius:10px; text-decoration:none; font-size:1.05rem; margin-top:20px; }
.home .status-dot { width:8px; height:8px; border-radius:50%; display:inline-block; margin-right:6px; }
.home footer { text-align:center; margin-top:50px; font-size:.8rem; }
.home .center { margin-top:20px; text-align:center; }
.home .home-topbar { display:flex; justify-content:space-between; align-items:center; margin-bottom:8px; }
.home .logout-btn { padding:6px 16px; border-radius:10px; text-decoration:none; font:inherit; font-size:.82rem; border:0; cursor:pointer; }
.sb-lazy-state { padding:8px 12px; font-size:.78rem; color:var(--text-soft); }
.rag-unavailable { max-width:620px; margin:12vh auto; padding:32px; text-align:center; }
/* ── 仪表盘布局（骨架，与主题无关） ── */
.home .dash-header { text-align:center; padding:18px 0 26px; }
.home .dash-header h1 { font-size:2rem; letter-spacing:2px; }
.home .dash-header .sub { margin-top:8px; font-size:.92rem; }
.dash-stats { display:grid; grid-template-columns:repeat(auto-fit,minmax(280px,1fr)); gap:16px; margin-bottom:26px; }
/* 状态卡：与入口卡同尺寸同结构（图标 + 文本 + 状态值） */
.stat-card { display:flex; align-items:center; gap:16px; padding:22px 20px; border-radius:14px; transition:transform .15s; }
.stat-card:hover { transform:translateY(-3px); }
.stat-icon { font-size:2rem; width:56px; height:56px; display:flex; align-items:center; justify-content:center; border-radius:14px; flex-shrink:0; }
.stat-body { flex:1; }
.stat-body h3 { font-size:1.1rem; margin-bottom:4px; }
.stat-body p { font-size:.8rem; opacity:.75; line-height:1.5; }
.stat-val { font-size:.9rem; font-weight:600; white-space:nowrap; }
.dash-entry { display:grid; grid-template-columns:repeat(auto-fit,minmax(280px,1fr)); gap:16px; margin-bottom:26px; }
.entry-card { display:flex; align-items:center; gap:16px; padding:22px 20px; border-radius:14px; text-decoration:none; transition:transform .15s; }
.entry-card:hover { transform:translateY(-3px); }
.entry-icon { font-size:2rem; width:56px; height:56px; display:flex; align-items:center; justify-content:center; border-radius:14px; flex-shrink:0; }
.entry-body { flex:1; }
.entry-body h3 { font-size:1.1rem; margin-bottom:4px; }
.entry-body p { font-size:.8rem; opacity:.75; line-height:1.5; }
.entry-meta { display:flex; gap:12px; margin-top:8px; font-size:.72rem; opacity:.85; }
.entry-meta span { padding:2px 10px; border-radius:8px; }
.entry-link { font-size:.9rem; font-weight:600; text-decoration:none; white-space:nowrap; }
.dash-foot { display:flex; justify-content:center; gap:24px; flex-wrap:wrap; padding-top:18px; font-size:.78rem; opacity:.75; }
.dash-foot .status-dot { width:7px; height:7px; }
.dash-foot.bottom { padding-top:26px; margin-top:6px; border-top:1px solid rgba(150,155,170,.15); }
/* ── 入场动画（frontend-slides 方法论：staggered reveal） ── */
.reveal { opacity:0; transform:translateY(18px); animation:revealUp .55s cubic-bezier(.16,1,.3,1) forwards; }
@keyframes revealUp { to { opacity:1; transform:translateY(0); } }
/* 思维导图节点入场（mm-pop：缩放淡入；backwards 让 hover transform 生效） */
.mm-pop { opacity:0; transform:translate(-50%,-50%) scale(.88); animation:mmPop .45s cubic-bezier(.16,1,.3,1) backwards; }
@keyframes mmPop { to { opacity:1; transform:translate(-50%,-50%) scale(1); } }
/* 减少动效偏好：关闭动画 */
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity:1; transform:none; animation:none; }
  .mm-pop { opacity:1; transform:translate(-50%,-50%) scale(1); animation:none; }
  .mm-node, .mm-l1, .mm-l2, .entry-card, .stat-card { transition:none !important; }
}
/* 首页分区标题 */
.home .section-title { margin-top:30px; margin-bottom:14px; font-size:1.05rem; border-left:3px solid; padding-left:10px; }
/* ── 表格速查布局（方案 C） ── */
.tb-wrap { max-width:960px; margin:0 auto; overflow-x:auto; -webkit-overflow-scrolling:touch; } /* P2：横向滚动 */
.design-ai { max-width:900px; margin:0 auto 26px; padding:20px 24px; border-radius:16px; }
.design-ai-head { display:flex; align-items:center; justify-content:space-between; gap:12px; margin-bottom:6px; }
.design-ai-head > div { display:flex; align-items:center; gap:8px; }
.design-ai-icon { font-size:1.35rem; }
.design-ai-badge { padding:4px 10px; border-radius:10px; font-size:.7rem; white-space:nowrap; }
.design-ai-hint, .design-ai-safe { color:var(--text-soft); font-size:.76rem; line-height:1.6; }
.design-ai-hint { margin:0 0 14px; }
.design-ai-label, .design-ai-field label { display:block; margin-bottom:6px; color:var(--text-strong); font-size:.78rem; font-weight:700; }
.design-ai-input, .design-ai-field input, .design-ai-field textarea { width:100%; box-sizing:border-box; padding:10px 12px; border:0; border-radius:10px; color:var(--text); font:inherit; font-size:.82rem; line-height:1.6; outline:none; resize:vertical; }
.design-ai-notes { min-height:118px; }
.design-ai-actions { display:flex; align-items:center; gap:10px; margin-top:12px; flex-wrap:wrap; }
.design-ai-actions button { border:0; border-radius:10px; padding:8px 16px; font-size:.8rem; font-weight:700; cursor:pointer; }
.design-ai-actions button:disabled { cursor:wait; opacity:.6; }
.design-ai-status { flex:1; min-width:180px; color:var(--text-soft); font-size:.76rem; }
.design-ai-status.success { color:var(--green); }
.design-ai-status.error { color:#c54b4b; }
.design-ai-result { display:grid; grid-template-columns:1fr 1fr; gap:14px; margin-top:18px; padding-top:18px; border-top:1px solid rgba(150,155,170,.2); }
.design-ai-result[hidden] { display:none; }
.design-ai-field-wide { grid-column:1 / -1; }
.design-ai-field textarea { min-height:108px; }
.design-ai-safe { flex:1; }
.design-records { max-width:1180px; margin:0 auto; }
.design-record-head { display:flex; align-items:center; justify-content:space-between; gap:12px; margin-bottom:12px; }
.design-record-head > div { display:flex; align-items:baseline; gap:10px; }
.design-record-head h2 { margin:0; font-size:1.05rem; }
.design-record-head span { color:var(--text-soft); font-size:.75rem; }
.design-record-add, .design-record-op button { border:0; border-radius:9px; padding:7px 13px; font-size:.78rem; font-weight:700; cursor:pointer; }
.design-record-scroll { overflow-x:auto; border-radius:14px; }
.design-record-table { width:100%; min-width:980px; border-collapse:separate; border-spacing:0; }
.design-record-table th { padding:11px 12px; text-align:left; font-size:.78rem; white-space:nowrap; }
.design-record-table td { padding:12px; font-size:.78rem; line-height:1.6; vertical-align:top; min-width:170px; }
.design-record-table .design-record-id { min-width:42px; width:42px; text-align:center; font-weight:700; }
.design-record-table .design-record-op { min-width:82px; width:82px; text-align:center; }
.design-record-op button { display:block; width:100%; margin:3px 0; padding:6px 8px; }
.design-record-op button:disabled { cursor:default; opacity:.42; }
.design-record-cell { cursor:text; outline:none; transition:box-shadow .15s, background .15s; }
.design-record-cell:focus { position:relative; z-index:1; }
.design-record-new .design-record-cell:empty::before { content:'点击输入'; color:var(--text-soft); opacity:.55; }
.design-image-list { display:flex; flex-wrap:wrap; gap:8px; margin-bottom:8px; }
.design-image { position:relative; width:76px; height:76px; }
.design-image img { display:block; width:76px; height:76px; object-fit:cover; border-radius:9px; border:1px solid rgba(56,101,204,.22); }
.design-image-add { display:inline-block; border:1px dashed #3865cc; border-radius:9px; padding:6px 10px; color:var(--text); cursor:pointer; }
.design-image-add:focus-within { outline:2px solid #3865cc; }
.design-image-cell small { display:block; margin-top:6px; color:var(--text-soft); font-size:.68rem; }
.design-record-table .design-image-cell { min-width:185px; }
.design-record-scroll .design-record-table { overflow:visible; }
.design-record-table .design-record-op { position:sticky; right:0; z-index:2; background:#e1e6ee; box-shadow:-4px 0 8px rgba(40,60,90,.12); }
.design-record-table thead .design-record-op { z-index:3; background:#bfcee7; }
.design-ai > summary { cursor:pointer; font-weight:700; padding:8px 0; }
.design-ai[open] > summary { margin-bottom:16px; }
.design-record-cell { max-width:280px; overflow-wrap:anywhere; }
.design-record-cell:focus { min-width:230px; }
.design-edit-dialog { width:min(760px,92vw); max-height:85vh; box-sizing:border-box; margin:auto; border:0; border-radius:18px; padding:24px; color:var(--text); background:#e1e6ee; }
.design-edit-dialog form { display:grid; grid-template-columns:1fr 1fr; gap:12px; }
.design-edit-dialog h2 { grid-column:1 / -1; }
.design-edit-dialog::backdrop { background:rgba(20,30,50,.45); }
.design-edit-dialog label { display:block; margin:12px 0; font-weight:700; }
.design-edit-dialog textarea { display:block; box-sizing:border-box; width:100%; padding:10px; border:1px solid #9aaccc; border-radius:8px; margin-top:6px; font:inherit; }
.design-edit-dialog button { padding:8px 18px; margin-right:8px; border:0; border-radius:8px; cursor:pointer; }
.recovery-entry { display:flex; gap:16px; align-items:center; padding:16px; margin-bottom:12px; border:1px solid #aabbd4; border-radius:12px; }
.recovery-entry strong { flex:1; overflow-wrap:anywhere; }
.recovery-entry span { color:var(--text-soft); font-size:.8rem; }
@media(max-width:768px) { .recovery-entry { flex-wrap:wrap; } .design-ai { padding:14px; } .design-edit-dialog form { grid-template-columns:1fr; } }
.tb-head { display:flex; align-items:center; gap:10px; margin-bottom:14px; }
.tb-icon { font-size:1.4rem; }
.tb-title { font-size:1.15rem; font-weight:700; }
.tb-count { margin-left:auto; font-size:.75rem; padding:3px 12px; border-radius:10px; }
.tb-table { width:100%; min-width:640px; border-collapse:separate; border-spacing:0; border-radius:14px; overflow:hidden; } /* P2：min-width 防挤压 + 横滑 */
.tb-table th { text-align:left; font-size:.78rem; padding:11px 16px; }
.tb-table td { font-size:.8rem; padding:10px 16px; }
.tb-table thead th { letter-spacing:.3px; white-space:nowrap; }
.tb-col-cat { width:20%; white-space:nowrap; }
.tb-col-tags { width:30%; }
.tb-col-date { width:14%; white-space:nowrap; }
.tb-col-del { width:52px; text-align:center; }
.tb-col-size { width:64px; white-space:nowrap; text-align:right; }
.tb-col-views { width:56px; white-space:nowrap; text-align:right; }
.tb-size { font-size:.7rem; color:var(--text-soft); opacity:.85; white-space:nowrap; }
mark.tb-hl { background:rgba(232,138,58,.25); color:inherit; padding:0 2px; border-radius:6px; }
.tb-del { background:transparent; border:none; cursor:pointer; font-size:.95rem; opacity:.6; transition:opacity .15s, transform .15s; padding:3px 7px; border-radius:8px; }
.tb-del:hover { opacity:1; transform:scale(1.2); }
.tb-act { background:transparent; border:none; cursor:pointer; font-size:.88rem; opacity:.62; transition:opacity .15s, transform .15s; padding:3px 7px; border-radius:8px; }
.tb-act:hover { opacity:1; transform:scale(1.15); }
.tb-tag-click { cursor:pointer; transition:background .12s, transform .12s; }
.tb-tag-click:hover { background:rgba(56,101,204,.22); transform:scale(1.05); }
.tb-upload { margin-left:auto; padding:6px 14px; border-radius:10px; cursor:pointer; font-size:.8rem; font-weight:600; transition:transform .15s, opacity .15s; }
.tb-upload:hover { transform:translateY(-1px); }
.tb-upload:disabled { opacity:.5; cursor:wait; }
.art-head { display:flex; align-items:center; gap:14px; flex-wrap:wrap; }
.art-head h1 { margin:0; }
.edit-btn { text-decoration:none; font-size:.8rem; padding:5px 14px; border-radius:10px; font-weight:600; transition:transform .15s; }
.edit-btn:hover { transform:translateY(-1px); }
.edit-wrap { display:flex; flex-direction:column; gap:12px; }
.edit-bar { display:flex; align-items:baseline; gap:12px; flex-wrap:wrap; }
.edit-title { font-size:1.05rem; font-weight:700; }
.edit-hint { font-size:.75rem; opacity:.7; }
.edit-area { width:100%; min-height:60vh; padding:14px; border-radius:10px; font-size:.85rem; line-height:1.7; font-family:Consolas, 'Courier New', monospace; resize:vertical; outline:none; }
.edit-actions { display:flex; gap:10px; align-items:center; }
.edit-save, .edit-cancel { padding:8px 22px; border-radius:10px; cursor:pointer; font-size:.85rem; font-weight:600; transition:transform .15s; }
.edit-save:hover, .edit-cancel:hover { transform:translateY(-1px); }
.edit-msg { font-size:.8rem; margin-left:8px; }
.tb-cat { font-weight:600; }
.tb-name { max-width:320px; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.tb-name a { text-decoration:none; display:inline-block; max-width:100%; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; vertical-align:bottom; }
.tb-name a:hover { text-decoration:underline; }
.tb-tags { display:flex; flex-wrap:wrap; gap:5px; }
.tb-tag { font-size:.68rem; padding:2px 10px; border-radius:8px; font-weight:500; }
.tb-date { font-size:.72rem; }
.tb-table tbody tr { transition:background .12s; }
@media (max-width:700px) {
  .tb-col-tags, .tb-col-date, .tb-col-views { display:none; }
  .tb-col-cat { width:30%; }
}
.mindmap { position:relative; width:100%; max-width:1000px; margin:10px auto 0; aspect-ratio:1000/420; }
.mm-lines { position:absolute; inset:0; width:100%; height:100%; }
.mm-path { fill:none; stroke-width:2; stroke-linecap:round; }
.mm-node { position:absolute; transform:translate(-50%,-50%); display:flex; align-items:center; justify-content:center; text-decoration:none; white-space:nowrap; transition:color .15s, transform .15s, opacity .18s; }
.mm-center { flex-direction:column; width:112px; height:112px; border-radius:50%; z-index:3; transition:transform .25s, box-shadow .25s; }
.mm-center:hover { transform:translate(-50%,-50%) scale(1.06); }
.mm-center-icon { font-size:1.7rem; }
.mm-center-text { font-size:.9rem; font-weight:700; text-align:center; line-height:1.35; }
/* 一级节点：精致胶囊（淡背景 + 细边，hover 浮起） */
.mm-l1 { gap:7px; padding:8px 16px; border-radius:10px; z-index:2;
  background:rgba(255,255,255,.42); border:1px solid rgba(150,155,170,.22);
  box-shadow: 3px 3px 8px var(--shadow-dark), -3px -3px 8px var(--shadow-light); }
.mm-l1:hover { transform:translate(-50%,-50%) scale(1.04) translateY(-1px);
  border-color:var(--c, var(--accent)); box-shadow: 5px 5px 12px var(--shadow-dark), -5px -5px 12px var(--shadow-light); }
.mm-icon { font-size:1.15rem; }
.mm-name { font-size:1rem; font-weight:600; }
/* 二级节点：纯文字小标签 */
.mm-l2 { padding:4px 12px; border-radius:10px; font-size:.83rem; z-index:1; flex-wrap:wrap; gap:2px 4px;
  background:rgba(255,255,255,.25); border:1px solid rgba(150,155,170,.14); }
.mm-l2:hover { transform:translate(-50%,-50%) scale(1.06);
  border-color:var(--c, var(--accent)); }
.mm-child-line { transition:opacity .18s; }
.mm-lines rect { transition:opacity .18s; }
.mm-l2 b.ok-num { color:var(--green); }
.mm-status { cursor:default; }
/* 标注（XMind Notes）：备注小字 + 标签胶囊 */
.mm-note { display:block; width:100%; font-size:.72rem; color:var(--text-soft); font-style:normal; opacity:.9; text-align:center; white-space:normal; line-height:1.35; max-width:190px; }
.mm-tag { display:inline-block; padding:1px 8px; border-radius:8px; font-size:.66rem; background:rgba(150,155,170,.16); color:var(--text-soft); }
.mm-l2 .mm-tag { margin-top:2px; }
/* 折叠按钮：挂在线条端（XMind 式） */
.mm-toggle { position:absolute; top:50%; transform:translateY(-50%); width:22px; height:22px;
  border-radius:50%; border:1.5px solid; display:flex; align-items:center; justify-content:center;
  font-size:.72rem; font-weight:700; line-height:1; cursor:pointer; user-select:none; z-index:5;
  background:var(--bg); transition:transform .15s; }
.mm-toggle:hover { transform:translateY(-50%) scale(1.15); }
.mm-toggle-left { left:calc(100% + 4px); }
.mm-toggle-right { right:calc(100% + 4px); }
/* 一级节点相对定位（放徽章/按钮） */
.mm-l1 { position:relative; }
/* 计数徽章（XMind 式小圆角） */
.mm-badge { display:inline-flex; align-items:center; justify-content:center; min-width:17px; height:17px;
  padding:0 4px; margin-left:4px; border-radius:10px; font-size:.66rem; font-weight:700; color:#fff; }
/* 工具栏 */
.mm-toolbar { position:absolute; top:-34px; right:0; display:flex; gap:6px; z-index:10; }
.mm-tool { display:inline-flex; align-items:center; gap:3px; padding:4px 10px; border-radius:8px;
  font-size:.75rem; cursor:pointer; user-select:none; text-decoration:none; }
/* 键盘导航高亮 */
.mm-active { outline:2px solid var(--accent); outline-offset:3px; border-radius:10px; }
/* 焦点可见（WCAG 2.4.7）：Tab 键盘导航兜底 */
.mm-node:focus-visible { outline:2px solid var(--accent); outline-offset:3px; border-radius:10px; }
.mm-tool:focus-visible, .logout-btn:focus-visible, .entry-link:focus-visible,
.neu-login input:focus-visible, .neu-login button:focus-visible,
.sidebar a:focus-visible, .kb-home a:focus-visible, .content a:focus-visible {
  outline:2px solid var(--accent); outline-offset:2px; }
@media (max-width:900px) {
  .mindmap { overflow-x:auto; }
}
/* 小型状态卡（比指标卡紧凑） */
.status-stats { grid-template-columns:repeat(auto-fit,minmax(180px,1fr)); gap:12px; max-width:820px; margin:0 auto 10px; }
.status-card { display:flex; align-items:center; gap:10px; padding:10px 14px; border-radius:10px; }
.status-icon { font-size:1rem; width:32px; height:32px; display:flex; align-items:center; justify-content:center; border-radius:10px; flex-shrink:0; }
.status-info { display:flex; flex-direction:column; flex:1; min-width:0; }
.status-name { font-size:.8rem; white-space:nowrap; }
.status-val { font-size:.78rem; font-weight:700; }
.status-sub { font-size:.68rem; opacity:.65; white-space:nowrap; }

/* ── 手机端适配（≤768px：侧边栏变抽屉，表格横滑，卡片单列） ── */
.menu-btn { display:none; position:fixed; top:12px; left:12px; z-index:100; width:42px; height:42px;
  border-radius:10px; cursor:pointer; font-size:1.1rem; align-items:center; justify-content:center;
  border:none; }
.sidebar-mask { display:none; position:fixed; inset:0; background:rgba(0,0,0,.4); z-index:95; }
@media (max-width:768px) {
  .menu-btn { display:flex; }
  .layout { display:block; }
  .sidebar { position:fixed; left:0; top:0; bottom:0; z-index:99; width:min(320px, 86vw); min-width:0;
    height:100vh; transform:translateX(-105%); transition:transform .25s ease; padding:16px 12px; }
  .sidebar.open { transform:translateX(0); }
  .sidebar-mask.show { display:block; }
  .content { padding:64px 14px 24px; max-width:100%; }
  .content h1 { font-size:1.25rem; }
  .design-ai { padding:16px; }
  .design-ai-head { align-items:flex-start; flex-direction:column; }
  .design-ai-result { grid-template-columns:1fr; }
  .design-ai-field-wide { grid-column:auto; }
  .tb-wrap { overflow-x:auto; -webkit-overflow-scrolling:touch; }
  .tb-table { min-width:640px; }
  .dash-entry, .dash-stats { grid-template-columns:1fr; }
  .home { padding:20px 14px; }
  .home h1 { font-size:1.5rem; }
  .edit-area { min-height:50vh; font-size:.8rem; }
  .edit-bar { flex-direction:column; gap:4px; }
  .art-head { gap:8px; }
  .topbar { padding:8px 12px; font-size:.8rem; flex-wrap:wrap; gap:4px; }
}

/* 设计经验：桌面表格与手机卡片共用同一条记录。 */
.design-record-guide { color:var(--text-soft); font-size:.82rem; line-height:1.7; margin:8px 0 18px; }
.design-record-table td { line-height:1.85; font-size:.85rem; padding:18px 14px; }
.design-record-table [data-field="phenomenon"] { font-weight:650; }
.design-record-table [data-field="lesson"] { color:#295594; }
.design-image-actions { display:flex; flex-wrap:wrap; gap:8px; }
.design-image-add { position:relative; min-height:44px; box-sizing:border-box; display:inline-flex; align-items:center; justify-content:center; }
.design-image-add input { position:absolute; inset:0; width:100%; height:100%; opacity:0; cursor:pointer; }
.design-image-add:has(input:disabled) { opacity:.45; cursor:wait; }
.design-record-op button { min-height:40px; }
.design-record-op .design-record-save-row:not(:disabled), .design-record-add { background:#3865cc; color:white; }
.design-record-op .design-record-delete { color:#a52d36; }
@media(max-width:768px) {
 .design-record-head { gap:12px; flex-wrap:wrap; }
 .design-record-head > div { flex-wrap:wrap; }
 .design-record-add { min-height:44px; }
 .design-record-scroll { overflow:visible; }
 .design-record-scroll .design-record-table { display:block; min-width:0; width:100%; background:transparent; box-shadow:none; }
 .design-record-table thead { display:none; }
 .design-record-table tbody { display:grid; gap:18px; }
 .design-record-table tbody tr { display:flex; flex-direction:column; border:1px solid #c6d2e4; border-radius:16px; background:#f1f4f9; overflow:hidden; }
 .design-record-table tbody td { display:block; box-sizing:border-box; min-width:0; max-width:none; width:100%; padding:12px 16px; text-align:left; border:0; font-size:16px; }
 .design-record-table td[data-label]::before { content:attr(data-label); display:block; font-size:12px; font-weight:700; color:#62728d; margin-bottom:6px; }
 .design-record-table .design-record-id { width:100%; min-width:0; text-align:left; background:#dce7f7; color:#295594; }
 .design-record-id::before { content:'经验 · '; }
 .design-record-table .design-image-cell { min-width:0; }
 .design-record-table .design-record-op { position:static; display:flex; flex-wrap:wrap; gap:10px; width:100%; min-width:0; box-shadow:none; border-top:1px solid #d5deec; background:transparent; }
 .design-record-op button { flex:1; width:auto; min-height:44px; margin:0; }
 .design-record-cell:focus { min-width:0; outline:2px solid #3865cc; outline-offset:-2px; }
 .design-image { width:88px; height:88px; margin:4px; }
 .design-image img { width:88px; height:88px; }
 .design-image-cell small { font-size:12px; }
 .design-edit-dialog { padding:18px; max-height:90dvh; }
 .design-edit-dialog textarea { font-size:16px; }
}

@media(max-width:768px) {
 .design-record-table .design-record-new .design-record-cell:empty::before { content:attr(data-label); opacity:1; color:#62728d; }
 .design-record-new .design-record-cell:empty::after { content:'点击输入'; color:var(--text-soft); opacity:.65; font-weight:400; }
}

/* 将移除操作与图片预览分开，避免触屏误点。 */
.design-image { height:auto; }
@media(max-width:768px) {
 .design-image { height:auto; }
}

.design-remove-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(120px,1fr)); gap:12px; }
.design-remove-grid label { border:1px solid #a9b9ce; border-radius:10px; padding:10px; cursor:pointer; }
.design-remove-grid label:has(:checked) { outline:2px solid #3865cc; background:#dce7f7; }
.design-remove-grid img { display:block; width:100%; height:110px; object-fit:contain; margin:8px 0; }
.design-remove-grid input { width:22px; height:22px; }

.design-problem-nav { margin:6px 0 16px 14px; padding-left:10px; border-left:2px solid #bccbe1; }
.sidebar .design-problem-nav a { display:block; white-space:normal; overflow-wrap:anywhere; padding:9px 10px; font-size:.82rem; line-height:1.6; border-radius:8px; }
.sidebar .design-problem-nav a:hover { background:#d1def2; color:#295594; }
.design-record-table tr:target { outline:2px solid #3865cc; outline-offset:-2px; scroll-margin-top:24px; }