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(prefers-color-scheme:dark){:root:not([data-theme]){color-scheme:dark;--bg-app:var(--neutral-1000);--bg-canvas:var(--neutral-950);--bg-surface:var(--neutral-900);--bg-surface-2:var(--neutral-850);--bg-inset:var(--neutral-1000);--bg-hover:var(--neutral-850);--bg-active:var(--neutral-800);--bg-overlay:rgba(0,0,0,0.55);--fg-1:var(--neutral-50);--fg-2:var(--neutral-400);--fg-3:var(--neutral-500);--fg-4:var(--neutral-600);--border-subtle:var(--neutral-850);--border:var(--neutral-800);--border-strong:var(--neutral-700);--accent:var(--violet-400);--accent-hover:var(--violet-300);--accent-press:var(--violet-500);--accent-soft:oklch(0.270 0.080 288);--accent-soft-2:oklch(0.330 0.110 288);--accent-fg:var(--violet-300);--grid-dot:rgba(255,255,255,0.07);--selection:oklch(0.420 0.150 288);--shadow-md:0 6px 16px -4px rgba(0,0,0,0.55),0 2px 6px -2px rgba(0,0,0,0.40)}}::selection{background:var(--selection)}*,:after,:before{box-sizing:border-box}body,html{margin:0;height:100%;overscroll-behavior-x:none}body{font-family:var(--font-sans);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}.ek-app{position:fixed;inset:0;display:grid;grid-template-columns:var(--sidebar-w) minmax(0,1fr) 0;background:var(--bg-app);color:var(--fg-1);overflow:hidden;transition:grid-template-columns var(--dur-slow) var(--ease-out)}.ek-app.resizing{transition:none}.ek-app.focus,.ek-app.sidebar-closed{grid-template-columns:0 minmax(0,1fr) 0}.ek-app.version-drawer-open{grid-template-columns:var(--sidebar-w) minmax(0,1fr) var(--version-w,380px)}.ek-app.focus.version-drawer-open,.ek-app.sidebar-closed.version-drawer-open{grid-template-columns:0 minmax(0,1fr) var(--version-w,380px)}.ek-app[data-density=compact]{--ek-row-py:4px;--ek-row-fs:13px;--ek-gap:7px}.ek-app[data-density=regular]{--ek-row-py:6px;--ek-row-fs:13.5px;--ek-gap:9px}.ek-app[data-density=comfy]{--ek-row-py:9px;--ek-row-fs:14px;--ek-gap:11px}.ek-side{display:flex;flex-direction:column;background:var(--bg-app);border-right:1px solid var(--border);min-height:0;min-width:0;overflow:hidden;opacity:1;transition:opacity var(--dur-base) var(--ease-out)}.ek-app.resizing .ek-side{transition:none}.ek-app.focus .ek-side,.ek-app.sidebar-closed .ek-side{opacity:0;pointer-events:none}.ek-wsbar{display:flex;align-items:center;gap:10px;padding:14px 12px 10px;cursor:pointer;border-radius:var(--radius-sm);margin:4px 8px 0;border:0;background:transparent;color:inherit;font-family:var(--font-sans);text-align:left;transition:background var(--dur-fast) var(--ease-out)}.ek-wsbar:hover{background:var(--bg-hover)}.ek-wsbar:disabled{cursor:default;opacity:.72}.ek-wsbar:disabled:hover{background:transparent}.ek-wsbar .ws-mark{width:28px;height:28px;flex:none;border-radius:var(--radius-sm);box-shadow:var(--shadow-xs)}.ek-wsbar .ws-copy{display:flex;flex:1 1;min-width:0;flex-direction:column;line-height:1.25}.ek-wsbar .ws-name{font-size:14px;font-weight:600;letter-spacing:-.01em;color:var(--fg-1)}.ek-wsbar .ws-sub{font-size:11px;color:var(--fg-3);margin-top:1px}.ek-wsbar .chev{margin-left:auto;color:var(--fg-4)}.ek-search{margin:10px 10px 8px;display:flex;align-items:center;gap:9px;padding:8px 11px;background:var(--bg-inset);border:1px solid var(--border-subtle);border-radius:var(--radius-sm);cursor:text;color:inherit;font-family:var(--font-sans);text-align:left;transition:border-color var(--dur-fast) var(--ease-out)}.ek-search:hover{border-color:var(--border)}.ek-search:disabled{cursor:default;opacity:.72}.ek-search:disabled:hover{border-color:var(--border-subtle)}.ek-search .ph{font-size:13px;color:var(--fg-4);flex:1 1}.ek-search .kbd{font-family:var(--font-mono);font-size:10.5px;color:var(--fg-4);border:1px solid var(--border);border-radius:5px;padding:1px 5px}.ek-search svg{color:var(--fg-3);flex:none}.ek-nav{flex:1 1;overflow-y:auto;padding:2px 8px 12px;min-height:0;scrollbar-width:thin}.ek-nav::-webkit-scrollbar{width:8px}.ek-nav::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px;border:2px solid transparent;background-clip:content-box}.ek-sec{display:flex;align-items:center;gap:6px;font-size:10.5px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--fg-4);padding:14px 8px 5px}.ek-sec-actions{display:flex;gap:2px;margin-left:auto}.ek-sec-actions button{display:inline-flex;align-items:center;justify-content:center;width:20px;height:20px;border:0;border-radius:var(--radius-xs);background:transparent;color:var(--fg-3);cursor:pointer}.ek-sec-actions button:hover{background:var(--bg-hover);color:var(--fg-1)}.ek-item{position:relative;display:flex;align-items:center;gap:var(--ek-gap,9px);padding:var(--ek-row-py,6px) 8px;border-radius:var(--radius-sm);font-size:var(--ek-row-fs,13.5px);color:var(--fg-2);cursor:pointer;-webkit-user-select:none;-moz-user-select:none;user-select:none;transition:background var(--dur-fast) var(--ease-out),color var(--dur-fast) var(--ease-out)}.ek-guide{position:absolute;top:0;bottom:0;width:1px;background:var(--border-subtle);pointer-events:none}.ek-item:hover{color:var(--fg-1)}.ek-item.selected,.ek-item:hover{background:var(--bg-hover)}.ek-item.active{background:var(--accent-soft);color:var(--accent-fg);font-weight:500}.ek-item.active .ek-ic{color:var(--accent)}.ek-ic{width:16px;height:16px;flex:none;color:var(--fg-3);display:inline-flex}.ek-chevron{flex:none;color:var(--fg-4);transition:transform var(--dur-fast) var(--ease-out)}.ek-chevron[data-expanded=true]{transform:rotate(90deg)}.ek-chevron-spacer{width:13px;flex:none}.ek-item .nm{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1 1}.ek-item .ek-count{margin-left:auto;font-size:11px;color:var(--fg-4);font-family:var(--font-mono)}.ek-rename-input{min-width:0;flex:1 1;width:100%;padding:2px 6px;border:1px solid var(--border-focus);border-radius:var(--radius-xs);background:var(--bg-surface);color:var(--fg-1);font-family:var(--font-sans);font-size:inherit;line-height:1.35;outline:none;-webkit-user-select:text;-moz-user-select:text;user-select:text}.ek-rename-input:focus{box-shadow:0 0 0 2px color-mix(in oklab,var(--accent) 18%,transparent)}.ek-dot{width:7px;height:7px;border-radius:var(--radius-pill);flex:none}.ek-empty{padding:12px 8px;color:var(--fg-4);font-size:12px}.ek-user{display:flex;align-items:center;gap:9px;padding:10px 12px;border:0;border-top:1px solid var(--border);background:transparent;color:inherit;cursor:pointer;font-family:var(--font-sans);text-align:left;transition:background var(--dur-fast) var(--ease-out)}.ek-user:hover{background:var(--bg-hover)}.ek-user .user-copy{display:flex;min-width:0;flex:1 1;flex-direction:column;line-height:1.3}.ek-user .u-name{font-size:13px;font-weight:500;color:var(--fg-1)}.ek-user .u-plan{overflow:hidden;color:var(--fg-3);font-size:11px;text-overflow:ellipsis;white-space:nowrap}.ek-user .u-more{margin-left:auto;color:var(--fg-3)}.ek-user-avatar{width:29px;height:29px;background:var(--accent);text-transform:uppercase}.ek-user-avatar img{width:100%;height:100%;border-radius:inherit;object-fit:cover}.ek-resizer{position:absolute;top:0;right:-3px;bottom:0;z-index:6;width:6px;cursor:col-resize}.ek-avatar{border-radius:var(--radius-pill);display:inline-flex;align-items:center;justify-content:center;color:#fff;font-weight:600;flex:none;font-size:11px}.ek-main{display:flex;flex-direction:column;min-height:0}.ek-main,.ek-version-panel{min-width:0;position:relative}.ek-version-panel{grid-column:3;height:100%;border-left:1px solid var(--border);background:var(--bg-surface);color:var(--fg-1);overflow:hidden;opacity:0;pointer-events:none;transition:opacity var(--dur-base) var(--ease-out)}.ek-app.resizing .ek-version-panel{transition:none}.ek-version-panel.open{opacity:1;pointer-events:auto}.ek-version-panel-body{height:100%;overflow-y:auto;padding:var(--space-4);scrollbar-width:none}.ek-version-panel-body::-webkit-scrollbar{display:none}.ek-version-resizer{position:absolute;top:0;left:-3px;bottom:0;z-index:6;width:6px;cursor:col-resize}.ek-tabbar{display:flex;align-items:center;gap:2px;padding:0 8px;height:36px;border-bottom:1px solid var(--border);background:var(--bg-app);overflow-x:auto;overflow-y:hidden;scrollbar-width:none;flex-shrink:0}.ek-tabbar::-webkit-scrollbar{display:none}.ek-app.focus .ek-tabbar{padding-right:44px}.ek-tab{display:flex;align-items:center;gap:5px;padding:4px 8px;border-radius:8px;cursor:pointer;font-size:12.5px;color:var(--fg-3);white-space:nowrap;flex-shrink:0;-webkit-user-select:none;-moz-user-select:none;user-select:none;transition:background 80ms,color 80ms}.ek-tab:hover{color:var(--fg-2);background:color-mix(in srgb,var(--fg-1) 5%,transparent)}.ek-tab.active{background:var(--bg-surface);color:var(--fg-1);font-weight:500}.ek-tab-icon{flex-shrink:0;opacity:.7}.ek-tab.active .ek-tab-icon{opacity:1;color:var(--accent)}.ek-tab-name{overflow:hidden;text-overflow:ellipsis;max-width:140px}.ek-tab-close{display:flex;align-items:center;justify-content:center;width:16px;height:16px;border-radius:4px;border:none;background:transparent;cursor:pointer;color:var(--fg-3);padding:0;flex-shrink:0}.ek-tab-close:hover{background:color-mix(in srgb,var(--fg-1) 10%,transparent);color:var(--fg-1)}.ek-tab-add{display:flex;align-items:center;justify-content:center;width:26px;height:26px;border:none;border-radius:6px;background:transparent;cursor:pointer;color:var(--fg-3);flex-shrink:0;margin-left:4px}.ek-tab-add:hover{background:color-mix(in srgb,var(--fg-1) 7%,transparent);color:var(--fg-1)}.ek-top{height:54px;flex:none;display:flex;align-items:center;gap:10px;padding:0 14px;border-bottom:1px solid var(--border);background:color-mix(in srgb,var(--bg-app) 82%,transparent);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);z-index:5;transition:opacity var(--dur-base) var(--ease-out),height var(--dur-base) var(--ease-out)}.ek-app.focus .ek-top{opacity:0;pointer-events:none;height:0;border-bottom:0;overflow:hidden}.ek-reveal{position:absolute;top:3px;right:8px;z-index:40;display:none;align-items:center;justify-content:center;width:30px;height:30px;padding:0;border-radius:var(--radius-sm);background:transparent;border:none;cursor:pointer;color:var(--fg-3);opacity:.9;transition:opacity var(--dur-fast) var(--ease-out),background var(--dur-fast) var(--ease-out),color var(--dur-fast) var(--ease-out)}.ek-app.focus .ek-reveal{display:inline-flex;animation:fadeIn var(--dur-slow) var(--ease-out)}.ek-reveal:hover{opacity:1;color:var(--fg-1);background:var(--bg-hover)}@keyframes fadeIn{0%{opacity:0}to{opacity:.32}}.ek-crumb{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--fg-2);min-width:0}.ek-crumb .root{color:var(--fg-3);cursor:pointer}.ek-crumb .root:hover{color:var(--fg-1)}.ek-crumb .crumb-segment{display:inline-flex;align-items:center;gap:8px;min-width:0}.ek-crumb .cur{color:var(--fg-1);font-weight:600;letter-spacing:-.01em;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.ek-crumb .sl{color:var(--fg-4)}.ek-saved{font-size:11.5px;color:var(--success);display:inline-flex;align-items:center;gap:5px;margin-left:4px}.ek-saved .pip{width:6px;height:6px;border-radius:var(--radius-pill);background:var(--success)}.ek-saved[data-status=saving]{color:var(--warning)}.ek-saved[data-status=saving] .pip{background:var(--warning);opacity:.9}.ek-saved[data-status=unsaved]{color:var(--fg-3)}.ek-saved[data-status=unsaved] .pip{background:var(--warning);opacity:.9}.ek-saved[data-status=error]{color:var(--danger)}.ek-saved[data-status=error] .pip{background:var(--danger)}.ek-top .spacer{flex:1 1}.ek-pres{display:flex;align-items:center;margin-right:4px}.ek-pres .ek-avatar{border:2px solid var(--bg-app);margin-left:-7px}.ek-pres .ek-avatar:first-child{margin-left:0}.ek-iconbtn{width:33px;height:33px;display:inline-flex;align-items:center;justify-content:center;border-radius:var(--radius-sm);color:var(--fg-2);cursor:pointer;border:none;background:transparent;transition:background var(--dur-fast) var(--ease-out),color var(--dur-fast) var(--ease-out)}.ek-iconbtn:hover{background:var(--bg-hover);color:var(--fg-1)}.ek-iconbtn.on{background:var(--accent-soft);color:var(--accent)}.ek-iconbtn:disabled{cursor:not-allowed;opacity:.38}.ek-iconbtn:disabled:hover{background:transparent;color:var(--fg-2)}.ek-share{display:inline-flex;align-items:center;gap:7px;height:33px;padding:0 14px;border-radius:var(--radius-sm);background:var(--accent);color:#fff;font-size:13px;font-weight:500;border:none;cursor:pointer;margin-left:4px;box-shadow:var(--shadow-xs);transition:background var(--dur-fast) var(--ease-out),transform var(--dur-fast) var(--ease-out);font-family:var(--font-sans)}.ek-share:hover{background:var(--accent-hover)}.ek-share:active{transform:scale(.98)}.ek-share:disabled{cursor:not-allowed;opacity:.46}.ek-share:disabled:hover{background:var(--accent)}.ek-share:disabled:active{transform:none}.ek-version-heading{display:flex;align-items:center;gap:var(--space-1)}.ek-version-title{padding:var(--space-2);color:var(--fg-1)}.ek-version-info{color:var(--fg-3);cursor:help}.ek-selection-toolbar{display:flex;flex-wrap:wrap;align-items:center;gap:var(--space-2);padding:var(--space-2);border-bottom:1px solid var(--border-subtle);background:var(--accent-soft)}.ek-selection-count{color:var(--fg-3);font-family:var(--font-mono);font-size:var(--text-2xs)}.ek-selection-toolbar-actions{display:flex;flex-wrap:wrap;align-items:center;gap:var(--space-1);margin-left:auto}.ek-version-group{margin-top:var(--space-2)}.ek-version-group-toggle{display:flex;width:100%;align-items:center;gap:var(--space-1);padding:var(--space-2);border:0;background:transparent;color:var(--fg-2);cursor:pointer;font-family:var(--font-sans);font-size:var(--text-xs);font-weight:var(--weight-semibold);text-align:left}.ek-version-group-toggle:hover{background:var(--bg-hover);color:var(--fg-1)}.ek-version-group-toggle svg{color:var(--fg-3);transition:transform var(--dur-fast) var(--ease-out)}.ek-version-group-toggle svg[data-open=true]{transform:rotate(90deg)}.ek-version-group-count{margin-left:auto;color:var(--fg-4);font-family:var(--font-mono);font-size:var(--text-2xs)}.ek-versioned-files{margin:0;padding:0;list-style:none}.ek-versioned-file{border-bottom:1px solid var(--border-subtle)}.ek-versioned-file-head{display:flex;align-items:center}.ek-versioned-file.deleted .ek-versioned-file-toggle{color:var(--fg-4)}.ek-versioned-file.deleted .ek-version-file-name{font-style:italic}.ek-versioned-file-toggle{display:flex;width:100%;align-items:center;gap:var(--space-2);padding:var(--space-2);border:0;background:transparent;color:var(--fg-2);cursor:pointer;font-family:var(--font-sans);font-size:var(--text-sm);text-align:left}.ek-versioned-file-toggle:hover{background:var(--bg-hover);color:var(--fg-1)}.ek-versioned-file-toggle>svg{color:var(--fg-4);transition:transform var(--dur-fast) var(--ease-out)}.ek-versioned-file-toggle>svg[data-open=true]{transform:rotate(90deg)}.ek-version-file-symbol{display:inline-flex;color:var(--fg-3)}.ek-version-file-name{overflow:hidden;flex:1 1;text-overflow:ellipsis;white-space:nowrap}.ek-version-list{padding:0 var(--space-2) var(--space-2) 36px}.ek-version-list-message{display:block;padding:var(--space-2) 0;color:var(--fg-4);font-size:var(--text-xs)}.ek-version-row{display:flex;align-items:center;color:var(--fg-3);font-size:var(--text-xs)}.ek-version-row.selected{background:var(--accent-soft);color:var(--accent-fg)}.ek-version-row-select{display:flex;min-width:0;flex:1 1;align-items:center;gap:var(--space-2);padding:5px 0;border:0;background:transparent;color:inherit;cursor:pointer;font-family:var(--font-sans);font-size:inherit;text-align:left}.ek-version-row-select svg{flex:none}.ek-version-kind{margin-left:auto;color:var(--fg-4);font-family:var(--font-mono);font-size:var(--text-2xs)}.ek-version-restore{margin-left:var(--space-1)!important;color:var(--fg-3)!important}.ek-version-empty{padding:var(--space-4) var(--space-2);color:var(--fg-3)}.ek-version-item{border-bottom:1px solid var(--border-subtle)}.ek-version-item-button{width:100%;gap:var(--space-2);padding:var(--space-2) var(--space-2) var(--space-2) var(--space-4)!important;color:var(--fg-2)}.ek-version-item-button .MuiListItemText-root{min-width:0;margin-right:36px}.ek-version-item-button .MuiListItemText-primary{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.ek-version-item-button.selected{background:var(--accent-soft);color:var(--accent-fg)}.ek-version-file-icon{min-width:32px!important;color:var(--fg-3)}.ek-version-row-name{flex:1 1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.ek-version-row-version{color:var(--fg-4);font-family:var(--font-mono);font-size:var(--text-2xs)}.ek-files-offline{position:fixed;inset:0;z-index:100;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:var(--space-3);padding:var(--space-6);background:var(--bg-app);color:var(--fg-1);text-align:center}.ek-files-offline svg{color:var(--danger)}.ek-files-offline strong{font-size:var(--text-md);font-weight:var(--weight-semibold);letter-spacing:var(--tracking-tight)}.ek-files-offline span{max-width:360px;color:var(--fg-3);font-size:var(--text-sm);line-height:var(--leading-normal)}.ek-content{flex:1 1;min-height:0;overflow-y:auto}.ek-content,.ek-welcome{background:var(--bg-canvas)}.ek-welcome{display:flex;min-height:100%;align-items:center;justify-content:center;gap:var(--space-10);padding:var(--space-10);color:var(--fg-1)}.ek-welcome-card{width:min(100%,560px)}.ek-welcome-mark{display:inline-flex;width:46px;height:46px;align-items:center;justify-content:center;margin-bottom:var(--space-5);border:1px solid var(--border);border-radius:var(--radius-md);background:var(--accent-soft);color:var(--accent);box-shadow:var(--shadow-xs)}.ek-welcome-copy{margin-bottom:var(--space-8)}.ek-welcome-kicker{display:block;margin-bottom:var(--space-2);color:var(--fg-4);font-size:var(--text-2xs);font-weight:var(--weight-semibold);letter-spacing:var(--tracking-wider);text-transform:uppercase}.ek-welcome-copy h1{margin:0;color:var(--fg-1);font-size:var(--text-2xl);font-weight:var(--weight-semibold);letter-spacing:var(--tracking-tight);line-height:var(--leading-snug)}.ek-welcome-copy p{max-width:470px;margin:var(--space-3) 0 0;color:var(--fg-3);font-size:var(--text-sm);line-height:var(--leading-relaxed)}.ek-welcome-actions{display:grid;grid-gap:var(--space-2);gap:var(--space-2)}.ek-welcome-action{display:flex;align-items:center;gap:var(--space-3);padding:var(--space-3);border:1px solid transparent;border-radius:var(--radius-sm);color:var(--fg-2);cursor:pointer}.ek-welcome-action:hover{border-color:var(--border-subtle);background:var(--bg-hover)}.ek-welcome-action-icon{display:inline-flex;width:34px;height:34px;flex:none;align-items:center;justify-content:center;border:1px solid var(--border-subtle);border-radius:var(--radius-sm);background:var(--bg-surface);color:var(--fg-3)}.ek-welcome-action span:last-child{display:flex;min-width:0;flex-direction:column;gap:2px}.ek-welcome-action strong{color:var(--fg-1);font-size:var(--text-sm);font-weight:var(--weight-medium)}.ek-welcome-action small{line-height:var(--leading-normal)}.ek-welcome-action small,.ek-welcome-hint{color:var(--fg-4);font-size:var(--text-xs)}.ek-welcome-hint{display:flex;align-items:center;gap:var(--space-2);margin-top:var(--space-6);padding-top:var(--space-4);border-top:1px solid var(--border-subtle)}.ek-welcome-hint svg{flex:none}.ek-welcome-shortcuts{width:250px;padding:var(--space-4);border:1px solid var(--border-subtle);border-radius:var(--radius-md);background:var(--bg-surface);box-shadow:var(--shadow-xs)}.ek-welcome-shortcuts-title{display:block;margin-bottom:var(--space-3);color:var(--fg-4);font-size:var(--text-2xs);font-weight:var(--weight-semibold);letter-spacing:var(--tracking-wider);text-transform:uppercase}.ek-welcome-shortcut{display:flex;align-items:center;justify-content:space-between;gap:var(--space-3);padding:var(--space-2) 0;color:var(--fg-3);font-size:var(--text-xs)}.ek-welcome-keys{display:inline-flex;gap:3px}.ek-welcome-keys kbd{min-width:22px;padding:2px 5px;border:1px solid var(--border);border-radius:var(--radius-xs);background:var(--bg-inset);color:var(--fg-3);font-family:var(--font-mono);font-size:var(--text-2xs);text-align:center}@media (max-width:840px){.ek-welcome{align-items:flex-start;flex-direction:column;gap:var(--space-8);padding:var(--space-8)}.ek-welcome-shortcuts{width:min(100%,560px)}}.ek-settings{width:100%;padding:var(--space-10) max(var(--space-8),calc((100% - 980px) / 2)) var(--space-16);color:var(--fg-1);overflow-x:hidden}.ek-settings-header{margin-bottom:var(--space-8)}.ek-settings-header h1{margin:0;color:var(--fg-1);font-size:var(--text-2xl);font-weight:var(--weight-semibold);letter-spacing:var(--tracking-tight);line-height:var(--leading-snug)}.ek-settings-header p{margin-top:var(--space-2);color:var(--fg-3);font-size:var(--text-sm)}.ek-settings-kicker{display:block;margin-bottom:var(--space-2);color:var(--fg-4);font-size:var(--text-2xs);font-weight:var(--weight-semibold);letter-spacing:var(--tracking-wider);text-transform:uppercase}.ek-settings-form{display:grid;grid-gap:var(--space-3);gap:var(--space-3)}.ek-settings-section{display:grid;grid-template-columns:220px minmax(0,1fr);grid-gap:var(--space-8);gap:var(--space-8);padding:var(--space-6) 0;border-top:1px solid var(--border-subtle)}.ek-settings-section-copy{display:flex;gap:var(--space-3)}.ek-settings-section-copy h2{margin:2px 0 0;color:var(--fg-1);font-size:var(--text-sm);font-weight:var(--weight-semibold)}.ek-settings-section-copy p{margin:var(--space-2) 0 0;color:var(--fg-4);font-size:var(--text-xs);line-height:var(--leading-normal)}.ek-settings-section-icon{display:inline-flex;width:34px;height:34px;flex:none;align-items:center;justify-content:center;border:1px solid var(--border-subtle);border-radius:var(--radius-sm);background:var(--bg-surface);color:var(--fg-3)}.ek-settings-section-content{display:grid;min-width:0;grid-gap:var(--space-6);gap:var(--space-6)}.ek-settings-control-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:var(--space-4)}.ek-settings-account div,.ek-settings-control-heading div,.ek-settings-toggle-row div{display:flex;min-width:0;flex-direction:column;gap:3px}.ek-settings-account strong,.ek-settings-control-heading strong,.ek-settings-toggle-row strong{color:var(--fg-1);font-size:var(--text-sm);font-weight:var(--weight-medium)}.ek-settings-account span,.ek-settings-control-heading span,.ek-settings-toggle-row span{color:var(--fg-4);font-size:var(--text-xs);line-height:var(--leading-normal)}.ek-settings-font{max-width:460px}.ek-settings-font output{padding:3px 7px;border:1px solid var(--border-subtle);border-radius:var(--radius-xs);background:var(--bg-inset);color:var(--fg-3);font-family:var(--font-mono);font-size:var(--text-2xs)}.ek-settings-font .MuiSlider-root{margin-top:var(--space-3);color:var(--accent)}.ek-settings-font .MuiSlider-markLabel{color:var(--fg-4);font-family:var(--font-mono);font-size:var(--text-2xs)}.ek-settings-avatar-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));grid-gap:var(--space-2);gap:var(--space-2);margin-top:var(--space-3)}.ek-settings-avatar{display:flex!important;min-width:0;flex-direction:column;gap:var(--space-2);padding:var(--space-2)!important;border:1px solid var(--border-subtle)!important;border-radius:var(--radius-sm)!important;background:var(--bg-surface)!important;color:var(--fg-3)!important;transition:border-color var(--dur-fast) var(--ease-out),background var(--dur-fast) var(--ease-out)!important}.ek-settings-avatar:hover{border-color:var(--border-strong)!important;background:var(--bg-hover)!important}.ek-settings-avatar.selected{border-color:var(--accent)!important;background:var(--accent-soft)!important;color:var(--accent-fg)!important}.ek-settings-avatar .MuiAvatar-root{width:46px;height:46px}.ek-settings-avatar span{overflow:hidden;max-width:100%;font-size:10px;text-overflow:ellipsis;white-space:nowrap}.ek-settings-account,.ek-settings-toggle-row{display:flex;align-items:center;justify-content:space-between;gap:var(--space-4);padding:var(--space-3) var(--space-4);border:1px solid var(--border-subtle);border-radius:var(--radius-sm);background:var(--bg-surface)}.ek-settings-toggle-row .MuiFormControlLabel-root{margin:0}.ek-settings-toggle-row .MuiFormControlLabel-label{display:none}.ek-settings-save{display:flex;justify-content:flex-end;padding:var(--space-2) 0 var(--space-5)}.ek-settings-state{display:flex;min-height:100%;align-items:center;justify-content:center;gap:var(--space-2);padding:var(--space-8);color:var(--fg-3);font-size:var(--text-sm)}@media (max-width:760px){.ek-settings{padding:var(--space-8) var(--space-5) var(--space-12)}.ek-settings-section{grid-template-columns:1fr;gap:var(--space-5)}.ek-settings-avatar-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}.ek-settings-tabs{margin-bottom:var(--space-7);border-bottom:1px solid var(--border)}.ek-settings-tabs .MuiTab-root{min-height:42px;text-transform:none;font-size:var(--text-sm);color:var(--fg-3)}.ek-settings-tabs .MuiTab-root.Mui-selected{color:var(--fg-1)}.ek-settings-tabs .MuiTabs-indicator{background:var(--accent)}.ek-settings-shortcuts{display:grid;max-width:560px;grid-gap:var(--space-7);gap:var(--space-7)}.ek-settings-shortcut-group h3{margin-bottom:var(--space-3);color:var(--fg-2);font-size:var(--text-sm);font-weight:600}.ek-settings-shortcut-group ul{display:grid;grid-gap:2px;gap:2px;margin:0;padding:0;list-style:none}.ek-settings-shortcut-group li{display:flex;align-items:center;justify-content:space-between;padding:var(--space-2) var(--space-3);border-radius:var(--radius-sm)}.ek-settings-shortcut-group li:hover{background:var(--bg-hover)}.ek-settings-shortcut-group li>span:first-child{color:var(--fg-2);font-size:var(--text-sm)}.ek-settings-keys{display:flex;gap:4px}.ek-settings-keys kbd{display:inline-flex;align-items:center;justify-content:center;min-width:22px;height:22px;padding:0 6px;border:1px solid var(--border);border-radius:var(--radius-xs);background:var(--bg-inset);color:var(--fg-2);font-family:var(--font-mono);font-size:var(--text-2xs)}.ek-diff-viewer{min-height:100%;overflow:auto;background:var(--bg-canvas);color:var(--fg-1)}.ek-diff-header{position:-webkit-sticky;position:sticky;top:0;z-index:1;display:flex;align-items:center;gap:var(--space-2);padding:var(--space-3) var(--space-4);border-bottom:1px solid var(--border);background:var(--bg-surface);font-size:var(--text-sm)}.ek-diff-header svg{color:var(--fg-3)}.ek-diff-header span{color:var(--fg-3);font-family:var(--font-mono);font-size:var(--text-2xs)}.ek-diff-toggle{display:inline-flex;align-items:center;gap:var(--space-1);margin-left:auto;color:var(--fg-2);cursor:pointer}.ek-diff-toggle+.ek-diff-toggle{margin-left:var(--space-2)}.ek-diff-toggle-label{font-family:var(--font-sans);font-size:var(--text-xs);color:var(--fg-3)}.ek-diff-grid{padding:var(--space-3) 0;font-family:var(--font-mono);font-size:var(--text-xs);line-height:1.6}.ek-diff-grid-head{position:-webkit-sticky;position:sticky;top:54px;z-index:1;display:grid;grid-template-columns:1fr 1fr;border-bottom:1px solid var(--border-subtle);background:var(--bg-surface);color:var(--fg-3);font-family:var(--font-sans);font-size:var(--text-2xs);font-weight:var(--weight-semibold);letter-spacing:var(--tracking-wide);text-transform:uppercase}.ek-diff-grid-head span{padding:var(--space-2) var(--space-4)}.ek-diff-row{display:grid;grid-template-columns:1fr 1fr;min-height:22px}.ek-diff-row.insert{background:var(--success-soft)}.ek-diff-row.delete{background:var(--danger-soft)}.ek-diff-row.equal{background:transparent}.ek-diff-cell{display:grid;grid-template-columns:48px minmax(0,1fr);min-width:0;align-items:stretch}.ek-diff-cell.left,.ek-diff-number{border-right:1px solid var(--border-subtle)}.ek-diff-number{padding:0 var(--space-2);color:var(--fg-4);text-align:right;-webkit-user-select:none;-moz-user-select:none;user-select:none}.ek-diff-cell code{min-width:0;padding:0 var(--space-3);color:inherit;white-space:pre-wrap;word-break:break-word}.ek-diff-row.insert .ek-diff-cell.right code{color:var(--success)}.ek-diff-row.delete .ek-diff-cell.left code{color:var(--danger)}.ek-diff-state{min-height:100%;align-items:center;gap:var(--space-2);color:var(--fg-3);font-size:var(--text-sm)}.ek-diff-state,.ek-overlay{display:flex;justify-content:center}.ek-overlay{position:fixed;inset:0;z-index:50;background:var(--bg-overlay);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);align-items:flex-start;padding-top:13vh;animation:scrimIn var(--dur-fast) var(--ease-out)}.ek-palette{width:560px;max-width:92vw;background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-pop);overflow:hidden;animation:pop var(--dur-base) var(--ease-out)}@keyframes scrimIn{0%{opacity:0}to{opacity:1}}@keyframes pop{0%{opacity:0;transform:translateY(-7px) scale(.99)}to{opacity:1;transform:none}}.ek-pq{display:flex;align-items:center;gap:12px;padding:16px 18px;border-bottom:1px solid var(--border-subtle)}.ek-pq svg{color:var(--fg-3)}.ek-pq input{border:0;background:transparent;outline:none;font-family:var(--font-sans);font-size:16px;color:var(--fg-1);width:100%}.ek-pq input::placeholder{color:var(--fg-4)}.ek-plist{padding:7px;max-height:360px;overflow-y:auto}.ek-psec{font-size:10.5px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--fg-4);padding:10px 11px 4px}.ek-pi{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:var(--radius-sm);font-size:14px;color:var(--fg-1);cursor:pointer}.ek-pi.active{background:var(--accent-soft);color:var(--accent-fg)}.ek-toast{position:fixed;left:50%;bottom:84px;transform:translateX(-50%);z-index:60;background:var(--neutral-900);color:var(--neutral-50);font-size:13px;padding:10px 16px;border-radius:var(--radius-pill);box-shadow:var(--shadow-lg);display:flex;align-items:center;gap:9px;animation:pop var(--dur-base) var(--ease-out)}[data-theme=dark] .ek-toast{background:var(--neutral-200);color:var(--neutral-900)}@media (prefers-reduced-motion:reduce){*,:after,:before{animation:none!important;transition-duration:.01ms!important}}.app-shell{-webkit-user-select:none;-moz-user-select:none;user-select:none}.app-shell input,.app-shell textarea{-webkit-user-select:text;-moz-user-select:text;user-select:text}.ek-skel{background-color:var(--bg-inset);background-image:linear-gradient(90deg,transparent 0,var(--bg-hover) 50%,transparent 100%);background-size:200% 100%;background-repeat:no-repeat;border-radius:var(--radius-sm);animation:ek-skel-shimmer 1.4s ease-in-out infinite}@keyframes ek-skel-shimmer{0%{background-position:-120% 0}to{background-position:220% 0}}.ek-spinner{display:inline-block;border:2.5px solid var(--border);border-top-color:var(--accent);border-radius:var(--radius-pill);animation:ek-spin .7s linear infinite}@keyframes ek-spin{to{transform:rotate(1turn)}}.ek-splash{position:absolute;inset:0;display:grid;place-items:center;background:var(--bg-app);z-index:1}.ek-tree-skel{display:flex;flex-direction:column;gap:11px;padding:var(--space-3) var(--space-2)}.ek-tree-skel-row{display:flex;align-items:center;gap:8px}.ek-editor-skel{width:100%;max-width:680px;margin:0 auto;padding:var(--space-10) var(--space-6)}