:root{--accent: #0078d4;--accent-2: #106ebe;--accent-soft: #e8f4fc;--ok: #107c10;--danger: #c42b1c;--warn: #9d5d00;--bg: #f3f3f3;--chrome: #f9f9f9;--surface: #ffffff;--tree: #f6f7f9;--line: #e1e4e8;--line-2: #d0d4d9;--text: #1a1a1a;--muted: #5f6368;--shadow: 0 8px 28px rgba(0, 0, 0, .12);--radius: 8px;--font: "Segoe UI", Inter, system-ui, sans-serif;--titlebar: 44px;--ribbon: 92px;--status: 28px}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:var(--font);color:var(--text);background:var(--bg);font-size:13px}button,input,select,textarea{font-family:inherit}button{cursor:pointer}a{color:var(--accent)}.app-shell{height:100%;display:flex;flex-direction:column;min-height:0}.login-page{min-height:100%;display:grid;place-items:center;background:radial-gradient(1200px 500px at 10% -10%,#cfe8ff 0%,transparent 50%),radial-gradient(900px 400px at 110% 110%,#d6f0e0 0%,transparent 45%),linear-gradient(180deg,#eef3f8,#dfe7ef);padding:24px}.login-card{width:min(440px,100%);background:var(--surface);border-radius:16px;box-shadow:var(--shadow);padding:36px 36px 28px;border:1px solid #edf0f3}.brand{display:flex;align-items:center;gap:12px;margin-bottom:8px}.brand-mark{width:42px;height:42px;border-radius:10px;background:var(--accent);display:grid;place-items:center;color:#fff}.brand h1{font-size:20px;margin:0;font-weight:700}.muted{color:var(--muted)}.login-card h2{margin:18px 0 4px;font-size:22px}.field{display:flex;flex-direction:column;gap:6px;margin-top:14px}.field label{font-weight:600;font-size:12px}.field input,.field select,.field textarea{height:36px;border:1px solid var(--line-2);border-radius:6px;padding:0 10px;background:#fff;outline:none}.field textarea{height:auto;padding:8px 10px;min-height:72px}.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px #0078d42e}.check{display:flex;align-items:center;gap:8px;margin-top:14px}.btn{height:34px;border:1px solid transparent;border-radius:6px;padding:0 14px;background:#fff;color:var(--text);font-weight:600}.btn:hover{background:#f3f3f3}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-2)}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover{filter:brightness(.95)}.btn:disabled{opacity:.45;cursor:default}.btn-block{width:100%;margin-top:18px;height:40px}.alert{margin-top:12px;padding:8px 10px;border-radius:6px;background:#fde7e9;color:#8a1f17}.hint{margin-top:16px;font-size:12px}.titlebar{height:var(--titlebar);background:var(--surface);border-bottom:1px solid var(--line);display:flex;align-items:center;gap:12px;padding:0 12px;flex-shrink:0}.titlebar .search{flex:1;max-width:420px;margin-left:auto;position:relative}.titlebar .search input{width:100%;height:30px;border:1px solid var(--line-2);border-radius:6px;padding:0 12px 0 30px}.search-ico{position:absolute;left:8px;top:7px;color:var(--muted)}.user-chip{display:flex;align-items:center;gap:8px;padding:4px 8px;border-radius:8px}.user-chip:hover{background:#f0f0f0}.avatar{width:26px;height:26px;border-radius:50%;background:var(--accent);color:#fff;display:grid;place-items:center;font-weight:700;font-size:12px}.ribbon{background:linear-gradient(#fbfbfb,#f2f2f2);border-bottom:1px solid var(--line);flex-shrink:0}.ribbon-tabs{display:flex;gap:2px;padding:4px 8px 0}.ribbon-tab{border:none;background:transparent;height:28px;padding:0 14px;border-radius:6px 6px 0 0;font-weight:600;color:var(--muted)}.ribbon-tab.active{background:var(--surface);color:var(--accent);border:1px solid var(--line);border-bottom-color:var(--surface)}.ribbon-body{display:flex;gap:6px;padding:8px 10px 10px;background:var(--surface);min-height:62px;align-items:stretch;overflow-x:auto}.r-group{display:flex;gap:2px;padding:0 8px;border-right:1px solid var(--line);align-items:center}.r-group:last-child{border-right:none}.r-btn{min-width:64px;height:54px;border:1px solid transparent;background:transparent;border-radius:6px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;color:#323130;font-size:11px}.r-btn:hover:not(:disabled){background:var(--accent-soft);border-color:#cce4f7}.r-btn:disabled{opacity:.35}.r-btn.danger:hover:not(:disabled){background:#fde7e9;border-color:#f1c0c0;color:var(--danger)}.r-btn svg{width:20px;height:20px}.manager-body{flex:1;display:grid;grid-template-columns:260px 1fr;min-height:0}.manager-body.tree-off{grid-template-columns:0 1fr}.tree-pane{background:var(--tree);border-right:1px solid var(--line);overflow:auto;min-width:0}.tree-head{padding:10px 12px 6px;font-weight:700;font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}.tree-node{-webkit-user-select:none;user-select:none}.tree-row{display:flex;align-items:center;gap:4px;height:26px;padding-right:8px;border-radius:4px;margin:0 6px}.tree-row:hover{background:#e9eef3}.tree-row.active{background:#cce4f7;color:#0b5a9e;font-weight:600}.tree-toggle{width:18px;height:18px;border:none;background:transparent;display:grid;place-items:center;color:var(--muted)}.tree-label{display:flex;align-items:center;gap:6px;flex:1;overflow:hidden}.tree-label span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.main-pane{display:flex;flex-direction:column;min-width:0;min-height:0;background:var(--surface)}.crumbbar{height:36px;display:flex;align-items:center;gap:4px;padding:0 8px;border-bottom:1px solid var(--line);background:#fafafa}.crumbbar button.icon{width:28px;height:28px;border:none;background:transparent;border-radius:6px;display:grid;place-items:center}.crumbbar button.icon:hover{background:#ececec}.crumbs{display:flex;align-items:center;gap:2px;overflow:hidden;flex:1}.crumb{border:none;background:transparent;height:26px;padding:0 8px;border-radius:4px}.crumb:hover{background:#ececec}.crumb-sep{color:var(--muted)}.file-area{flex:1;overflow:auto;position:relative}.file-area.dragover:after{content:attr(data-drop);position:absolute;top:8px;right:8px;bottom:8px;left:8px;border:2px dashed var(--accent);background:#0078d414;border-radius:10px;display:grid;place-items:center;font-size:16px;font-weight:600;color:var(--accent);pointer-events:none}.grid{display:grid;gap:8px;padding:12px}.grid.xl{grid-template-columns:repeat(auto-fill,minmax(128px,1fr))}.grid.lg{grid-template-columns:repeat(auto-fill,minmax(110px,1fr))}.grid.md{grid-template-columns:repeat(auto-fill,minmax(96px,1fr))}.grid.sm{grid-template-columns:1fr;gap:0;padding:4px 8px}.grid.tiles{grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}.icon-item{border:1px solid transparent;border-radius:8px;padding:8px 6px;text-align:center;cursor:default}.icon-item:hover{background:#f3f9fd}.icon-item.selected{background:#cce4f7;border-color:#99c9e8}.icon-item .glyph{margin:0 auto 6px;display:grid;place-items:center}.icon-item .label{word-break:break-word;line-height:1.25;font-size:12px}.icon-item.sm,.icon-item.small-row{display:flex;align-items:center;gap:8px;text-align:left;padding:4px 8px;border-radius:4px}.icon-item.tile{display:flex;align-items:center;gap:12px;text-align:left;padding:10px}.icon-item.tile .meta{color:var(--muted);font-size:11px}.thumb{width:100%;height:100%;object-fit:cover;border-radius:6px;background:#eee}.details-table{width:100%;border-collapse:collapse}.details-table th{text-align:left;font-weight:600;padding:8px 12px;border-bottom:1px solid var(--line);background:#fafafa;position:sticky;top:0;cursor:pointer;white-space:nowrap}.details-table td{padding:6px 12px;border-bottom:1px solid #f2f2f2}.details-table tr.selected td{background:#cce4f7}.details-table tr:hover td{background:#f3f9fd}.details-table tr.selected:hover td{background:#cce4f7}.cell-name{display:flex;align-items:center;gap:8px}.empty-state{display:grid;place-items:center;height:100%;color:var(--muted);gap:8px}.status{height:var(--status);border-top:1px solid var(--line);background:#f7f7f7;display:flex;align-items:center;gap:16px;padding:0 12px;color:var(--muted);font-size:12px}.ctx{position:fixed;z-index:50;min-width:220px;background:#fff;border:1px solid var(--line);border-radius:8px;box-shadow:var(--shadow);padding:6px}.ctx button{width:100%;text-align:left;height:30px;border:none;background:transparent;border-radius:4px;display:flex;align-items:center;gap:10px;padding:0 8px}.ctx button:hover{background:var(--accent-soft)}.ctx button:disabled{opacity:.4}.ctx hr{border:none;border-top:1px solid var(--line);margin:6px 0}.modal-back{position:fixed;top:0;right:0;bottom:0;left:0;background:#14181c73;display:grid;place-items:center;z-index:40;padding:16px}.modal{width:min(560px,100%);background:#fff;border-radius:12px;box-shadow:var(--shadow);overflow:hidden}.modal.wide{width:min(1100px,100%);height:min(86vh,820px);display:flex;flex-direction:column}.modal h3{margin:0;padding:14px 16px;border-bottom:1px solid var(--line);font-size:15px;flex:0 0 auto}.modal .body{padding:16px;overflow:auto;flex:1;min-height:0;display:flex;flex-direction:column}.modal .body.media{overflow:hidden}.modal .footer{padding:12px 16px;display:flex;justify-content:flex-end;gap:8px;border-top:1px solid var(--line);flex:0 0 auto}.preview-stage{background:#111;flex:1;display:grid;place-items:center;overflow:hidden;min-height:0;width:100%;height:100%}.preview-stage.pan{cursor:grab}.preview-stage.pan:active{cursor:grabbing}.preview-stage img{max-width:100%;max-height:100%;-webkit-user-select:none;user-select:none}.video-player{flex:1;min-height:0;width:100%;height:100%;display:flex;flex-direction:column;background:#000}.preview-stage.video{flex:1 1 0;min-height:0;overflow:hidden}.preview-stage.video video{width:auto;height:auto;max-width:100%;max-height:100%;object-fit:contain;background:#000;cursor:pointer}.video-bar{flex:0 0 48px;display:flex;align-items:center;gap:8px;padding:0 12px;background:#1b1b1b;color:#fff;z-index:2}.v-btn{border:0;background:transparent;color:#fff;width:32px;height:32px;display:grid;place-items:center;cursor:pointer;border-radius:4px}.v-btn:hover{background:#ffffff1f}.v-time{font-size:12px;font-variant-numeric:tabular-nums;min-width:40px}.v-seek{flex:1;min-width:80px;accent-color:#4aa3ff}.v-vol{width:88px;accent-color:#4aa3ff}.video-player:fullscreen .preview-stage.video{flex:1}.slides-preview{padding:16px;display:grid;gap:12px}.slide-card{border:1px solid var(--line);border-radius:8px;padding:12px 14px;background:#fafafa}.slide-card pre{white-space:pre-wrap;margin:8px 0 0;font-family:inherit}.glyph-fallback{display:none;color:inherit}.glyph-fallback.show{display:grid;place-items:center;width:100%;height:100%}.mobile-tree-btn{display:none}.preview-toolbar{display:flex;gap:6px;padding:8px 12px;border-bottom:1px solid var(--line);background:#fafafa}.preview-text{white-space:pre-wrap;font-family:Consolas,Cascadia Mono,monospace;font-size:13px;line-height:1.45}.preview-html{background:#fff;min-height:100%;padding:24px}.sheet-table{width:100%;border-collapse:collapse;font-size:12px}.sheet-table td,.sheet-table th{border:1px solid #ddd;padding:4px 8px}.sheet-table th{background:#f3f3f3}.progress{height:6px;background:#e6e6e6;border-radius:99px;overflow:hidden;margin-top:8px}.progress>div{height:100%;background:var(--accent)}.toast-wrap{position:fixed;right:16px;bottom:40px;z-index:80;display:flex;flex-direction:column;gap:8px}.toast{min-width:240px;background:#323130;color:#fff;padding:10px 14px;border-radius:8px;box-shadow:var(--shadow)}.toast.err{background:var(--danger)}.admin{height:100%;display:grid;grid-template-columns:220px 1fr;background:var(--surface)}.admin-nav{background:#f4f6f8;border-right:1px solid var(--line);padding:12px}.admin-nav a,.admin-nav button.link{display:flex;align-items:center;gap:8px;height:36px;padding:0 10px;border-radius:6px;color:inherit;text-decoration:none;border:none;background:transparent;width:100%;font-weight:600}.admin-nav a.active,.admin-nav button.link.active{background:var(--accent-soft);color:var(--accent)}.admin-main{overflow:auto;padding:20px 24px}.admin-main h2{margin:0 0 16px}.toolbar-row{display:flex;gap:8px;margin-bottom:12px;flex-wrap:wrap}.data-table{width:100%;border-collapse:collapse;background:#fff}.data-table th,.data-table td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--line)}.data-table th{background:#fafafa;font-size:12px;color:var(--muted)}.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:12px;margin-bottom:20px}.stat{background:#fff;border:1px solid var(--line);border-radius:10px;padding:16px}.stat .n{font-size:28px;font-weight:700;color:var(--accent)}.perm-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:8px;margin:12px 0}.perm-grid label{display:flex;gap:6px;align-items:center}.menu{position:absolute;right:8px;top:40px;background:#fff;border:1px solid var(--line);border-radius:8px;box-shadow:var(--shadow);min-width:200px;z-index:30;padding:6px}.menu button{width:100%;text-align:left;border:none;background:transparent;height:32px;border-radius:4px;padding:0 10px}.menu button:hover{background:var(--accent-soft)}.share-page{min-height:100%;display:grid;place-items:center;background:linear-gradient(180deg,#eef3f8,#dfe7ef);padding:24px}.share-card{width:min(480px,100%);background:#fff;border-radius:16px;padding:28px;box-shadow:var(--shadow)}@media(max-width:800px){.manager-body{grid-template-columns:1fr;position:relative}.tree-pane{display:none}.manager-body.tree-on-mobile .tree-pane{display:block;position:absolute;inset:0 auto 0 0;width:80%;z-index:20;box-shadow:var(--shadow)}.mobile-tree-btn{display:inline-flex}.r-btn{min-width:52px;font-size:10px}.admin{grid-template-columns:1fr}}