html.is-mobile{--m-bar-h: 56px;--m-safe-top: env(safe-area-inset-top, 0px);--m-safe-bottom: env(safe-area-inset-bottom, 0px);--m-safe-left: env(safe-area-inset-left, 0px);--m-safe-right: env(safe-area-inset-right, 0px);-webkit-text-size-adjust:100%;-webkit-tap-highlight-color:transparent;overscroll-behavior:none}html.is-mobile body{overscroll-behavior:none}html.is-mobile button,html.is-mobile a,html.is-mobile label{touch-action:manipulation}html.is-mobile .app-ribbon,html.is-mobile .rail,html.is-mobile .inspector,html.is-mobile .sidebar-resizer,html.is-mobile .files-panel>.panel-head .select-btn,html.is-mobile .storage-hint,html.is-mobile .drop-overlay{display:none!important}html.is-mobile .app-shell{height:100dvh;padding-left:var(--m-safe-left);padding-right:var(--m-safe-right)}html.is-mobile .app-body{flex:1;min-height:0}html.is-mobile .editor-area{padding-bottom:var(--m-safe-bottom)}html.is-mobile .m-appbar{flex-shrink:0;display:flex;align-items:center;gap:4px;height:calc(var(--m-bar-h) + var(--m-safe-top));padding:var(--m-safe-top) 6px 0;background:var(--surface);border-bottom:1px solid var(--border);z-index:30}html.is-mobile .m-icon-btn{width:44px;height:44px;flex:0 0 44px;display:inline-flex;align-items:center;justify-content:center;border:none;border-radius:12px;background:transparent;color:var(--text)}html.is-mobile .m-icon-btn:active{background:var(--surface-hover)}html.is-mobile .m-appbar [data-act=ai]{color:var(--brand-500)}html.is-mobile .m-title{flex:1;min-width:0;height:44px;padding:0 6px;border:none;background:transparent;color:var(--text);font-size:1.02rem;font-weight:650;text-align:left;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;border-radius:10px}html.is-mobile .m-title:not(:disabled):active{background:var(--surface-hover)}html.is-mobile .m-title.is-brand{background:var(--brand-gradient);-webkit-background-clip:text;background-clip:text;color:transparent;font-weight:800}html.is-mobile .m-tools{flex-shrink:0}html.is-mobile .m-tools .cmd-group[hidden]{display:none}html.is-mobile .m-tools .cmd-group{display:flex;align-items:center;padding:6px 8px;background:var(--surface);border-bottom:1px solid var(--border)}html.is-mobile .m-tools .cmd-group-label{display:none}html.is-mobile .m-tools .editor-tools{display:flex;flex-wrap:nowrap;gap:6px;overflow-x:auto;scrollbar-width:none;padding:0;background:none;border:none;width:100%}html.is-mobile .m-tools .editor-tools::-webkit-scrollbar{display:none}html.is-mobile .m-tools .editor-tools button,html.is-mobile .m-tools .view-toggle button{min-height:38px;padding:0 14px;font-size:.85rem;white-space:nowrap;flex:0 0 auto;border-radius:999px}html.is-mobile .m-exit-fs,html.is-mobile .app-shell.fullscreen .m-appbar,html.is-mobile .app-shell.fullscreen .m-tools{display:none}html.is-mobile .app-shell.fullscreen .m-exit-fs{display:inline-flex;position:fixed;top:calc(10px + var(--m-safe-top));right:calc(10px + var(--m-safe-right));width:44px;height:44px;align-items:center;justify-content:center;border-radius:50%;border:1px solid var(--border);background:color-mix(in srgb,var(--surface) 85%,transparent);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);color:var(--text);z-index:50;box-shadow:var(--shadow-lg)}html.is-mobile .files-panel{display:flex!important;flex-direction:column;position:fixed;top:0;left:0;bottom:0;width:min(86vw,340px);padding-top:var(--m-safe-top);padding-bottom:var(--m-safe-bottom);transform:translate(-105%);transition:transform .26s var(--ease);background:var(--surface);border-right:1px solid var(--border);box-shadow:var(--shadow-lg);z-index:60;overflow-y:auto;overscroll-behavior:contain}html.is-mobile .files-panel.open{transform:none}html.is-mobile .drawer-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0a0c1480;z-index:55;opacity:0;pointer-events:none;transition:opacity .22s var(--ease)}html.is-mobile .drawer-backdrop.show{opacity:1;pointer-events:auto}html.is-mobile .m-drawer-head{display:flex;align-items:center;justify-content:space-between;padding:8px 6px 4px 14px}html.is-mobile .m-brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.05rem}html.is-mobile .m-drawer-quick{display:grid;grid-template-columns:1fr 1fr;gap:8px;padding:6px 12px 10px}html.is-mobile .m-drawer-quick button{min-height:48px;display:flex;align-items:center;justify-content:center;gap:8px;border-radius:14px;border:1px solid var(--border);background:var(--surface-2);color:var(--text);font-weight:600}html.is-mobile .m-drawer-quick button:first-child{background:var(--brand-gradient);color:#fff;border-color:transparent}html.is-mobile .files-panel>.panel-head{padding:6px 14px 2px}html.is-mobile .files-panel .panel-search{padding:0 12px 6px}html.is-mobile .files-panel .panel-search input{min-height:44px;font-size:16px}html.is-mobile [data-role=file-drawer]{flex:0 0 auto;overflow:visible;padding:0 8px}html.is-mobile [data-role=file-drawer] li{display:flex;align-items:center;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none}html.is-mobile [data-role=file-drawer] .file-item{min-height:48px;flex:1;font-size:.95rem}html.is-mobile [data-role=file-drawer] .delete-btn{opacity:.55!important;width:44px;height:44px;flex:0 0 44px}html.is-mobile .m-drawer-menu{margin-top:auto;padding:10px 8px 12px;border-top:1px solid var(--border);display:flex;flex-direction:column}html.is-mobile .m-account{padding:4px 8px 8px}html.is-mobile .m-account .auth-bar{display:flex;justify-content:flex-start}html.is-mobile .m-menu-row{display:flex;align-items:center;gap:12px;min-height:48px;padding:0 10px;border:none;border-radius:12px;background:transparent;color:var(--text);font-size:.95rem;text-decoration:none;text-align:left}html.is-mobile .m-menu-row:active{background:var(--surface-hover)}html.is-mobile .m-switch-row{justify-content:space-between}html.is-mobile .m-switch{-moz-appearance:none;appearance:none;-webkit-appearance:none;width:46px;height:28px;flex:0 0 46px;border-radius:999px;background:var(--border-strong, #999);position:relative;transition:background .2s}html.is-mobile .m-switch:after{content:"";position:absolute;top:3px;left:3px;width:22px;height:22px;border-radius:50%;background:#fff;transition:transform .2s;box-shadow:0 1px 3px #0000004d}html.is-mobile .m-switch:checked{background:var(--brand-500)}html.is-mobile .m-switch:checked:after{transform:translate(18px)}html.is-mobile .m-version{font-size:.75rem;color:var(--text-faint);padding:8px 10px 0;margin:0}html.is-mobile .m-home{flex:1;overflow-y:auto;padding:18px 16px calc(24px + var(--m-safe-bottom));-webkit-overflow-scrolling:touch}html.is-mobile .m-home-title{font-size:1.35rem;font-weight:800;margin:4px 2px 14px;letter-spacing:-.3px}html.is-mobile .m-new-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}@media (min-width: 520px){html.is-mobile .m-new-grid{grid-template-columns:repeat(4,1fr)}}html.is-mobile .m-new-tile{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;min-height:92px;padding:12px 6px;border-radius:18px;border:1px solid var(--border);background:var(--surface);color:var(--text);font-size:.8rem;font-weight:600;text-align:center;line-height:1.2}html.is-mobile .m-new-tile:active{transform:scale(.97);background:var(--surface-hover)}html.is-mobile .m-new-icon{color:var(--brand-500);display:inline-flex}html.is-mobile .m-new-icon svg{width:26px;height:26px}html.is-mobile .m-open-btn{margin-top:14px;width:100%;min-height:52px;display:flex;align-items:center;justify-content:center;gap:10px;border-radius:16px;border:1.5px dashed var(--border-strong, var(--border));background:transparent;color:var(--text);font-weight:600;font-size:.95rem}html.is-mobile .m-section-title{font-size:.78rem;font-weight:700;text-transform:uppercase;letter-spacing:.5px;color:var(--text-faint);margin:22px 2px 8px}html.is-mobile .m-recent{display:flex;flex-direction:column;gap:8px}html.is-mobile .m-recent-card{display:flex;align-items:center;gap:12px;min-height:60px;padding:10px 12px;border-radius:14px;border:1px solid var(--border);background:var(--surface);color:var(--text);text-align:left}html.is-mobile .m-recent-card:active{background:var(--surface-hover)}html.is-mobile .m-recent-icon{color:var(--brand-500);display:inline-flex;flex:0 0 auto}html.is-mobile .m-recent-text{display:flex;flex-direction:column;min-width:0}html.is-mobile .m-recent-name{font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}html.is-mobile .m-recent-meta{font-size:.78rem;color:var(--text-muted)}html.is-mobile .m-home-foot{margin-top:24px;font-size:.8rem;color:var(--text-muted);text-align:center;line-height:1.6}html.is-mobile .m-home-foot a,html.is-mobile .m-link{color:var(--brand-500)}html.is-mobile .m-link{background:none;border:none;padding:0;font:inherit;text-decoration:underline}html.is-mobile .m-sheet-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:2050;background:#0a0c1480;display:flex;align-items:flex-end;animation:m-fade .18s var(--ease)}html.is-mobile .m-sheet-overlay.leaving{animation:m-fade-out .18s var(--ease) forwards}@keyframes m-fade{0%{opacity:0}to{opacity:1}}@keyframes m-fade-out{to{opacity:0}}html.is-mobile .m-sheet{width:100%;max-height:88dvh;overflow-y:auto;overscroll-behavior:contain;background:var(--surface);border-radius:22px 22px 0 0;padding:6px 12px calc(12px + var(--m-safe-bottom));box-shadow:0 -10px 40px #00000040;animation:m-up .24s var(--ease);transition:transform .18s var(--ease)}html.is-mobile .m-sheet.leaving{transform:translateY(100%)}@keyframes m-up{0%{transform:translateY(100%)}to{transform:none}}html.is-mobile .m-sheet-handle{width:40px;height:5px;border-radius:3px;background:var(--border-strong, var(--border));margin:6px auto 10px}html.is-mobile .m-sheet-head{display:flex;flex-direction:column;gap:2px;padding:0 8px 10px}html.is-mobile .m-sheet-title{font-size:1.02rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}html.is-mobile .m-sheet-sub{font-size:.8rem;color:var(--text-muted)}html.is-mobile .m-sheet-list{display:flex;flex-direction:column}html.is-mobile .m-sheet-item{display:flex;align-items:center;gap:14px;min-height:52px;padding:0 10px;border:none;border-radius:12px;background:transparent;color:var(--text);font-size:1rem;text-align:left}html.is-mobile .m-sheet-item:active{background:var(--surface-hover)}html.is-mobile .m-sheet-item.danger{color:var(--danger)}html.is-mobile .m-sheet-icon{width:24px;display:inline-flex;justify-content:center;color:var(--text-muted)}html.is-mobile .m-sheet-item.danger .m-sheet-icon{color:var(--danger)}html.is-mobile .m-sheet-cancel{width:100%;min-height:50px;margin-top:8px;border-radius:14px;border:none;background:var(--surface-2);color:var(--text);font-weight:600;font-size:1rem}html.is-mobile .m-field{display:flex;flex-direction:column;gap:6px;padding:4px 8px 12px;font-size:.82rem;color:var(--text-muted);font-weight:600}html.is-mobile .m-name-row{display:flex;align-items:center;border:1px solid var(--border);border-radius:12px;background:var(--surface-2);overflow:hidden}html.is-mobile .m-name{flex:1;min-width:0;min-height:48px;padding:0 12px;border:none;background:transparent;color:var(--text);font-size:16px}html.is-mobile .m-name:focus{outline:none}html.is-mobile .m-name-row:focus-within{border-color:var(--brand-500)}html.is-mobile .m-ext{padding:0 12px;color:var(--text-muted);font-weight:600;font-size:.95rem}html.is-mobile .m-chips{display:flex;flex-wrap:wrap;gap:8px}html.is-mobile .m-chip{min-height:40px;padding:0 16px;border-radius:999px;border:1px solid var(--border);background:var(--surface);color:var(--text);font-weight:600}html.is-mobile .m-chip.selected{background:var(--brand-gradient);border-color:transparent;color:#fff}html.is-mobile .m-dl-error{color:var(--danger);font-size:.85rem;padding:0 8px;margin:0;min-height:0}html.is-mobile .m-dl-actions{display:flex;flex-direction:column;gap:8px;padding:8px 0 0}html.is-mobile .m-btn{min-height:52px;display:flex;align-items:center;justify-content:center;gap:10px;border-radius:14px;border:1px solid var(--border);background:var(--surface-2);color:var(--text);font-size:1rem;font-weight:650}html.is-mobile .m-btn[hidden]{display:none}html.is-mobile .m-btn-primary{background:var(--brand-gradient);color:#fff;border-color:transparent}html.is-mobile .m-btn.busy{opacity:.6}html.is-mobile .modal-overlay{align-items:flex-end;padding:0}html.is-mobile .modal{max-width:none!important;width:100%;max-height:90dvh;overflow-y:auto;border-radius:22px 22px 0 0;padding:18px 16px calc(16px + var(--m-safe-bottom));animation:m-up .24s var(--ease)}html.is-mobile .modal input,html.is-mobile .modal textarea,html.is-mobile .modal select{font-size:16px;min-height:46px}html.is-mobile .modal-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px}html.is-mobile .modal-actions button{min-height:50px;font-size:1rem;border-radius:14px}html.is-mobile .new-file-types{grid-template-columns:repeat(3,1fr)!important}html.is-mobile .command-palette-overlay{align-items:flex-end;padding:0}html.is-mobile .command-palette{width:100%;max-width:none;height:85dvh;display:flex;flex-direction:column;border-radius:22px 22px 0 0;padding-bottom:var(--m-safe-bottom)}html.is-mobile .command-palette input{font-size:16px;min-height:56px}html.is-mobile .command-palette ul{flex:1;max-height:none}html.is-mobile .command-palette li{min-height:52px;font-size:1rem}html.is-mobile .theme-popover{position:fixed!important;top:auto!important;right:0!important;left:0!important;bottom:0!important;width:auto!important;max-height:70dvh;overflow-y:auto;border-radius:22px 22px 0 0;padding:12px 12px calc(12px + var(--m-safe-bottom));z-index:1700}html.is-mobile .theme-popover .theme-option{min-height:48px}html.is-mobile .ai-drawer{top:auto;left:0;right:0;width:auto;height:78dvh;border-left:none;border-top:1px solid var(--border);border-radius:22px 22px 0 0;transform:translateY(105%);padding-bottom:var(--m-safe-bottom);z-index:1500}html.is-mobile .ai-drawer.open{transform:none}html.is-mobile .ai-drawer textarea{font-size:16px}html.is-mobile .toast-region{left:12px;right:12px;bottom:calc(16px + var(--m-safe-bottom));max-width:none;align-items:center}html.is-mobile .toast{width:100%;max-width:460px}html.is-mobile .docx-toolbar,html.is-mobile .img-toolbar,html.is-mobile .pdf-toolbar,html.is-mobile .aud-toolbar,html.is-mobile .vid-transport,html.is-mobile .vid-tabs,html.is-mobile .toolbar{display:flex;flex-wrap:nowrap!important;overflow-x:auto;overflow-y:hidden;gap:6px;padding:6px 8px;scrollbar-width:none;-webkit-overflow-scrolling:touch;scroll-snap-type:x proximity}html.is-mobile .docx-toolbar::-webkit-scrollbar,html.is-mobile .img-toolbar::-webkit-scrollbar,html.is-mobile .pdf-toolbar::-webkit-scrollbar,html.is-mobile .aud-toolbar::-webkit-scrollbar,html.is-mobile .vid-transport::-webkit-scrollbar,html.is-mobile .vid-tabs::-webkit-scrollbar,html.is-mobile .toolbar::-webkit-scrollbar{display:none}html.is-mobile .docx-toolbar>*,html.is-mobile .img-toolbar>*,html.is-mobile .pdf-toolbar>*,html.is-mobile .aud-toolbar>*,html.is-mobile .vid-transport>*,html.is-mobile .vid-tabs>*,html.is-mobile .toolbar>*{flex:0 0 auto;scroll-snap-align:start}html.is-mobile .docx-toolbar button,html.is-mobile .docx-toolbar select,html.is-mobile .img-toolbar button,html.is-mobile .pdf-toolbar button,html.is-mobile .aud-toolbar button,html.is-mobile .vid-transport .vid-btn,html.is-mobile .vid-tab,html.is-mobile .toolbar button{min-height:40px;min-width:40px;padding:0 12px;font-size:.88rem;white-space:nowrap}html.is-mobile .docx-dropdown{position:static}html.is-mobile .docx-menu{position:fixed;left:8px;right:8px;top:auto;z-index:70}html.is-mobile .docx-page{padding:1rem .9rem}html.is-mobile .docx-page:before{display:none}html.is-mobile .docx-zoom,html.is-mobile .img-zoom,html.is-mobile .vid-zoom{padding-bottom:calc(8px + var(--m-safe-bottom))}html.is-mobile .img-body{flex-direction:column}html.is-mobile .img-panel{width:100%!important;max-height:40dvh;border-left:none;border-top:1px solid var(--border)}html.is-mobile input[type=text],html.is-mobile input[type=search],html.is-mobile input[type=email],html.is-mobile input[type=password],html.is-mobile textarea{font-size:16px}html.is-mobile .cm-editor{font-size:14px}html.is-mobile .cm-content{line-height:1.6}html.is-mobile .mobile-app-banner{display:none}