:root{color:#25272b;font-synthesis:none;--ink:#25272b;--muted:#777c85;--line:#e7e8eb;--accent:#4263eb;--surface:#fff;background:#fafafa;font-family:Inter,Segoe UI,Microsoft YaHei,sans-serif;font-weight:400}*{box-sizing:border-box}body{margin:0;font-size:14px}button,input,textarea,select{font:inherit}button,a,input,textarea{outline-offset:3px}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.35}a{color:inherit;text-decoration:none}button{color:inherit}input,textarea{min-width:0}input:not([type=checkbox]):not([type=color]),select,textarea{border:1px solid var(--line);color:var(--ink);background:#fff;border-radius:7px;padding:9px 10px}input:focus,textarea:focus{border-color:#4263eb80;outline:2px solid #4263eb40}button svg{flex-shrink:0}h1,h2,h3,p{margin-top:0}h1{letter-spacing:-.8px;font-size:30px;font-weight:500}h2{font-size:23px;font-weight:500}h3{font-size:15px;font-weight:500}.muted{color:var(--muted);font-size:12px}.error,.danger{color:#c24444!important}.primary,.secondary,.subtle-button{border:1px solid #0000;border-radius:8px;justify-content:center;align-items:center;gap:8px;padding:11px 16px;font-weight:500;transition:background .14s;display:inline-flex}.primary{color:#fff;background:#282b31;box-shadow:0 1px 2px #00000010}.primary:hover{background:#40444c}.primary.small{padding:8px 13px;font-size:13px}.secondary{border-color:var(--line);background:#fff;padding:8px 10px;font-size:12px}.secondary:hover,.subtle-button:hover{background:#f4f5f7}.subtle-button{background:0 0;padding:8px 10px;font-size:13px}.full{width:100%}.icon-button,.tool-button{color:#676d77;background:0 0;border:0;border-radius:6px;flex-shrink:0;justify-content:center;align-items:center;width:34px;height:34px;display:inline-flex}.icon-button:hover,.tool-button:hover{color:#25272b;background:#f0f1f4}.tool-button.active{color:#4263eb;background:#eaf0ff}.creation-tools .tool-button.active{color:#fff;background:#4263eb}.tiny{width:25px;height:28px}.divider{background:var(--line);width:1px;height:19px;margin:0 5px}.brand{letter-spacing:.3px;align-items:center;gap:11px;font-size:17px;font-weight:600;display:flex}.brand-dot{background:#adb6ca;border-radius:50%;width:5px;height:5px;margin-left:2px}.eyebrow{letter-spacing:2.4px;color:#8b9099;font-size:10px;font-weight:500}.loading{height:100dvh;color:var(--muted);flex-direction:column;justify-content:center;align-items:center;gap:12px;display:flex}.spin{animation:1s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.workspace{min-height:100dvh;display:flex}.sidebar{background:#f4f4f5;border-right:1px solid #ececef;flex-direction:column;flex-shrink:0;width:220px;height:100dvh;padding:31px 18px 20px;display:flex;position:sticky;top:0}.sidebar .brand{margin-bottom:48px;padding-left:10px}.space-label{color:#91959d;margin-bottom:12px;padding:0 13px;font-size:11px}.sidebar nav{flex-direction:column;gap:5px;display:flex}.nav-item{color:#737982;text-align:left;background:0 0;border:0;border-radius:7px;align-items:center;gap:11px;padding:11px 13px;display:flex}.nav-item.active{color:#2e343d;background:#e7e8eb;font-weight:500}.nav-item small{color:#818793;margin-left:auto}.nav-item:hover{background:#eaecef}.sidebar-bottom{border-top:1px solid #e5e6e9;align-items:center;gap:10px;margin-top:auto;padding-top:20px;display:flex}.avatar{background:#e3e5e9;border:1px solid #dadddf;border-radius:50%;place-items:center;width:33px;height:33px;font-size:12px;display:grid}.sidebar-bottom strong{font-size:12px;font-weight:500;display:block}.sidebar-bottom small{color:#969ba4;text-overflow:ellipsis;max-width:118px;margin-top:4px;font-size:10px;display:block;overflow:hidden}.workspace-main{background:#fbfbfc;flex:1;min-width:0}.workspace-header{background:#fff;border-bottom:1px solid #e3e5e9;justify-content:space-between;align-items:center;gap:20px;height:84px;padding:0 46px;display:flex}.search-field{color:#90949d;background:#fff;border:1px solid #d9dde5;border-radius:10px;align-items:center;gap:10px;width:min(420px,100%);min-height:44px;padding:0 12px 0 14px;transition:border-color .15s,box-shadow .15s;display:flex;box-shadow:0 1px 2px #25272b08}.search-field:focus-within{border-color:#8da5ed;box-shadow:0 0 0 3px #4263eb18,0 2px 7px #25272b0a}.search-field>svg{color:#737b89;flex-shrink:0}.search-field input{outline:none;flex:1;font-size:13px;background:0 0!important;border:0!important;padding:8px 0!important}.search-field kbd{color:#8f96a2;background:#f8f9fb;border:1px solid #e1e4e9;border-radius:6px;flex-shrink:0;place-items:center;width:23px;height:23px;font-size:13px;line-height:1;display:grid}.workspace-caption{color:#a1a5ac;font-size:11px}.workspace-content{max-width:1550px;margin:auto;padding:47px 46px 28px}.page-title{justify-content:space-between;align-items:center;gap:20px;margin-bottom:43px;display:flex}.page-title h1{margin:13px 0 11px}.page-title p{color:#8a8f98;margin:0;font-size:13px}.list-heading{color:#8a8e96;justify-content:space-between;align-items:center;margin-bottom:18px;font-size:12px;display:flex}.sort-label{align-items:center;gap:4px;display:flex}.sort-label select{appearance:none;color:#787e88;cursor:pointer;background:0 0;border:0;padding:6px;font-size:12px}.board-grid{grid-template-columns:repeat(auto-fill,minmax(255px,1fr));gap:25px 22px;display:grid}.new-board{background:#f8f9fa;border:1px dashed #dadde3;border-radius:11px;flex-direction:column;justify-content:center;align-items:center;gap:11px;min-height:246px;transition:background .15s,border-color .15s;display:flex}.new-board:hover{background:#f0f3fb;border-color:#a9b6e5}.new-icon{color:#79818f;background:#fff;border:1px solid #e5e7ec;border-radius:12px;place-items:center;width:47px;height:47px;margin-bottom:2px;display:grid;box-shadow:0 3px 9px #00000003}.new-board strong{color:#5d6470;font-size:13px;font-weight:500}.new-board small{color:#a1a6af;font-size:11px}.board-card{background:#fff;border:1px solid #e8e9ec;border-radius:11px;min-width:0;transition:border .15s,box-shadow .15s}.board-card:hover{border-color:#c9cdd5;box-shadow:0 5px 18px #24283206}.board-preview{background:#f0f0f1;border-bottom:1px solid #eeeef0;border-radius:10px 10px 0 0;height:176px;display:block;position:relative;overflow:hidden}.empty-preview{color:#b0b5bf;background-image:radial-gradient(#dbdde3 .7px,#0000 .7px);background-size:15px 15px;flex-direction:column;justify-content:center;align-items:center;gap:12px;height:100%;font-size:11px;display:flex}.mini-scene{width:100%;height:100%;position:relative;overflow:hidden}.board-info{justify-content:space-between;align-items:center;height:70px;padding:14px 13px 14px 17px;display:flex;position:relative}.board-info>div:first-child{min-width:0}.board-info a{white-space:nowrap;text-overflow:ellipsis;max-width:230px;font-size:13px;font-weight:500;display:block;overflow:hidden}.board-info small{color:#a2a7af;margin-top:6px;font-size:10px;display:block}.favorite-badge{color:#8e99b2;position:absolute;top:12px;right:12px}.workspace-foot{text-align:center;color:#b1b5bd;letter-spacing:2px;margin-top:80px;font-size:11px}.workspace-empty{text-align:center;color:#989fab;padding:60px 20px}.workspace-empty h3{color:#6b7480;margin-top:18px}.notice{background:#fff1ef;border-radius:8px;margin-bottom:18px;padding:12px 15px}.dropdown{z-index:60;background:#fff;border:1px solid #e5e7eb;border-radius:9px;min-width:180px;padding:5px;box-shadow:0 7px 30px #11182716}.dropdown button{text-align:left;background:0 0;border:0;border-radius:5px;align-items:center;gap:10px;width:100%;padding:10px 11px;font-size:12px;display:flex}.dropdown button:hover{background:#f2f4f7}.dropdown hr{border:0;border-top:1px solid #eee;margin:4px}.card-menu{position:absolute;top:53px;right:10px}.menu-anchor{position:relative}.export-menu{position:absolute;top:42px;right:0}.context-menu{position:fixed}.text-button{color:#6e7786;text-align:left;background:0 0;border:0;padding:9px 0;font-size:12px}.text-button:hover{color:var(--accent)}.login{background:#fff;grid-template-columns:1fr 1fr;min-height:100dvh;display:grid}.login-art{background:#eeeee9;padding:50px clamp(25px,6vw,95px);overflow:hidden}.login-art h1{letter-spacing:-2px;margin-top:85px;font-size:clamp(35px,4vw,55px);line-height:1.35}.login-art p{color:#8b8c85;font-size:12px}.art-grid{align-items:center;gap:22px;margin-top:55px;display:flex}.art-grid>div:first-child{color:#565d4f;background:#e1dacd;min-width:190px;height:210px;padding:28px;font:44px/1.1 Georgia,serif;transform:rotate(-5deg)}.art-note{background:#f4edca;padding:25px;font-size:14px;line-height:1.9;transform:rotate(6deg);box-shadow:0 7px 15px #00000005}.login-form{place-self:center;width:100%;max-width:370px;padding:24px}.login-form h2{margin:18px 0 12px}.login-form .muted{margin-bottom:35px}.login-form label{color:#656e7b;margin-bottom:20px;font-size:12px;display:block}.login-form input{width:100%;height:43px;margin-top:9px}.login-form .primary{justify-content:space-between;width:100%;margin-top:10px}.editor{background:#f2f2f2;height:100dvh;position:relative;overflow:hidden}.editor-header{z-index:30;background:#fff;border-bottom:1px solid #e5e6e8;justify-content:space-between;align-items:center;gap:15px;height:60px;padding:0 18px;display:flex;position:relative}.editor-heading,.header-actions{align-items:center;gap:7px;min-width:0;display:flex}.board-name{white-space:nowrap;text-overflow:ellipsis;background:0 0;border:0;align-items:center;gap:10px;max-width:280px;padding:8px;font-size:13px;font-weight:500;display:flex;overflow:hidden}.save-status{color:#91969f;white-space:nowrap;background:0 0;border:0;align-items:center;gap:5px;padding:8px;font-size:11px;display:flex}.save-status.warning{color:#b37a26}.canvas-stage{touch-action:none;-webkit-user-select:none;user-select:none;background-color:#f2f2f2;background-image:radial-gradient(#ceced1 .65px,#0000 .65px);position:absolute;inset:60px 0 0;overflow:hidden}.presenting .canvas-stage{inset:0}.tool-hand{cursor:grab}.tool-hand:active{cursor:grabbing}.tool-text{cursor:text}.tool-note,.tool-frame,.tool-rectangle,.tool-arrow,.tool-ellipse{cursor:crosshair}.canvas-world{transform-origin:0 0;position:absolute;top:0;left:0}.canvas-element{transform-origin:50%;white-space:pre-wrap;-webkit-user-select:none;user-select:none;line-height:1.5;position:absolute}.canvas-element.is-selected:not(.element-frame){outline:1px solid #4263eb44}.element-frame{pointer-events:auto;border:1px solid #dedfe3}.frame-label{color:#9399a3;white-space:nowrap;align-items:center;gap:5px;font-weight:400;display:flex;position:absolute;bottom:calc(100% + 8px);left:0}.element-text{white-space:pre-wrap;overflow-wrap:anywhere;width:100%;height:100%;overflow:hidden}.element-note{padding:18px;box-shadow:0 2px 4px #00000006}.element-text:not(.element-note),.element-note .element-text{padding:0}.canvas-element textarea{resize:none;overflow-wrap:anywhere;background:0 0;border:0;border-radius:0;outline:none;width:100%;height:100%;padding:0;line-height:1.5;display:block}.image-viewport{width:100%;height:100%;position:relative;overflow:hidden}.image-viewport img{object-fit:contain;pointer-events:none;width:100%;height:100%;display:block}.image-error{display:none}.image-failed{background:#f8eded;border:1px dashed #d3bcbc;place-items:center;display:grid}.image-failed .image-error{color:#ad7979;font-size:13px;display:block;position:absolute}.out-of-group{opacity:.3}.selection-box{pointer-events:none;z-index:8;border:1px solid #4263eb;position:absolute}.resize-handle{pointer-events:auto;background:#fff;border:1px solid #4263eb;position:absolute}.resize-handle.nw{cursor:nwse-resize;top:0;left:0;transform:translate(-50%,-50%)}.resize-handle.ne{cursor:nesw-resize;top:0;right:0;transform:translate(50%,-50%)}.resize-handle.sw{cursor:nesw-resize;bottom:0;left:0;transform:translate(-50%,50%)}.resize-handle.se{cursor:nwse-resize;bottom:0;right:0;transform:translate(50%,50%)}.selection-size{color:#4263eb;white-space:nowrap;font-variant-numeric:tabular-nums;position:absolute;left:50%;transform:translate(-50%)}.marquee{pointer-events:none;z-index:9;background:#4263eb0e;border:1px solid #4263eb;position:absolute}.snap-line{pointer-events:none;z-index:8;background:#e879b1;position:absolute}.canvas-empty{text-align:center;pointer-events:none;white-space:nowrap;position:absolute;top:45%;left:50%;transform:translate(-50%,-50%)}.canvas-empty h2{color:#868c96;letter-spacing:1px;margin-bottom:13px;font-size:20px;font-weight:400}.canvas-empty p{color:#a1a5ad;margin-bottom:18px;font-size:12px}.canvas-empty>span{color:#b2b6be;font-size:10px}.empty-symbol{color:#b7bdc8;justify-content:center;align-items:center;gap:10px;margin-bottom:24px;display:flex}.empty-symbol svg{box-sizing:content-box;background:#fff;border:1px solid #e4e6eb;border-radius:10px;padding:10px}.empty-symbol svg:first-child{transform:rotate(-9deg)}.empty-symbol svg:last-child{transform:rotate(8deg)}.creation-tools{z-index:20;background:#fff;border:1px solid #e1e3e7;border-radius:10px;flex-direction:column;gap:4px;padding:6px;display:flex;position:absolute;top:85px;left:18px;box-shadow:0 4px 15px #17202d05}.creation-tools .tool-button{width:36px;height:36px}.tool-divider{background:#eceef1;height:1px;margin:4px 5px}.note-palette{z-index:25;background:#fff;border:1px solid #e5e7eb;border-radius:8px;gap:6px;padding:8px;display:flex;position:absolute;top:240px;left:78px}.note-palette button,.color-row button{cursor:pointer;border:1px solid #00000010;border-radius:50%;width:22px;height:22px}.note-palette button.chosen{outline-offset:2px;outline:2px solid #4263eb}.editor-bottom-left{z-index:20;flex-direction:column-reverse;gap:10px;display:flex;position:absolute;bottom:20px;left:18px}.bottom-tools,.zoom-tools{background:#fff;border:1px solid #e3e5e9;border-radius:9px;align-items:center;gap:3px;padding:3px;display:flex;box-shadow:0 2px 10px #11182704}.zoom-tools{z-index:20;position:absolute;bottom:20px;right:20px}.zoom-number{color:#7d8490;background:0 0;border:0;min-width:48px;font-size:11px}.minimap{background:#ffffffed;border:1px solid #e1e3e7;border-radius:8px;width:172px;height:112px;position:relative;overflow:hidden}.minimap svg{cursor:crosshair}.minimap-close{color:#949ba6;z-index:1;background:#fff;border:0;place-items:center;padding:1px;display:grid;position:absolute;top:2px;right:2px}.selection-toolbar{z-index:24;background:#fff;border:1px solid #e4e6ea;border-radius:9px;align-items:center;gap:2px;padding:5px 7px;display:flex;position:absolute;top:77px;left:50%;transform:translate(-50%);box-shadow:0 4px 18px #1118270b}.selection-count{color:#8c929b;white-space:nowrap;padding:0 7px;font-size:11px}.floating-panel{z-index:22;background:#fff;border:1px solid #e3e5e9;border-radius:10px;box-shadow:0 7px 24px #11182708}.properties,.side-panel{width:235px;max-height:calc(100dvh - 180px);padding:15px;position:absolute;top:80px;right:18px;overflow:auto}.side-panel{width:280px}.panel-heading{justify-content:space-between;align-items:center;gap:12px;margin-bottom:15px;display:flex}.panel-heading strong{font-size:12px;font-weight:500}.panel-heading h2{margin:0;font-size:21px}.panel-heading .icon-button{width:24px;height:24px}.property-label{color:#858b96;margin-bottom:16px;font-size:11px;display:block}.property-label input{width:100%;margin-top:7px;font-size:12px}.property-grid{grid-template-columns:1fr 1fr;gap:10px;margin-bottom:15px;display:grid}.property-grid label{color:#858b96;font-size:11px}.property-grid input{width:100%;margin-top:7px;font-size:12px;display:block}.property-grid input[type=color]{border:1px solid var(--line);background:#fff;border-radius:6px;height:34px;padding:3px}.property-actions{justify-content:space-between;gap:5px;margin-bottom:12px;display:flex}.color-row{flex-wrap:wrap;gap:9px;margin:12px 0;display:flex}.property-section{color:#9096a0;border-top:1px solid #eee;margin:13px 0 8px;padding-top:13px;font-size:11px}.arrange-panel{z-index:28;width:280px;padding:14px;position:absolute;top:131px;left:50%;transform:translate(-50%)}.align-buttons{justify-content:space-between;margin-bottom:14px;display:flex}.arrange-grid{grid-template-columns:1fr 1fr;gap:7px;display:grid}.field-inline{color:#89909a;align-items:center;gap:10px;margin-top:14px;font-size:12px;display:flex}.field-inline input{width:80px;padding:6px 8px!important}.panel-search{color:#9aa1ab;align-items:center;gap:8px;margin-bottom:13px;display:flex}.panel-search input{width:100%;font-size:12px;border:0!important;padding:6px!important}.element-list{margin:0 -7px}.element-row{border-radius:5px;align-items:center;gap:0;margin:3px 0;padding:2px;display:flex}.element-row.active{background:#eff3ff}.element-row-main{text-align:left;color:#737e8e;background:0 0;border:0;flex:1;align-items:center;gap:8px;min-width:0;padding:9px 6px;font-size:12px;display:flex}.element-row-main span{text-overflow:ellipsis;white-space:nowrap;flex:1;overflow:hidden}.element-row .tiny{color:#a5abb5}.panel-empty{text-align:center;color:#a0a6b0;padding:26px 0;font-size:12px}.version-item{border-bottom:1px solid #eceef1;padding:17px 0}.version-item strong{font-size:12px;font-weight:500;display:block}.version-item small{color:#9da4af;margin-top:7px;font-size:10px;display:block}.version-item>div{gap:15px;margin-top:10px;display:flex}.version-item button{color:#5776c8;background:0 0;border:0;padding:0;font-size:11px}.group-breadcrumb{color:#738097;z-index:23;background:#fff;border:1px solid #e4e7ef;border-radius:7px;align-items:center;gap:8px;padding:8px 12px;font-size:12px;display:flex;position:absolute;top:79px;left:85px}.exit-presentation{z-index:40;background:#fff;border:1px solid #ddd;border-radius:8px;align-items:center;gap:9px;padding:10px 15px;font-size:12px;display:flex;position:absolute;top:22px;right:22px;box-shadow:0 4px 15px #00000008}.error-banner,.busy-banner,.toast{z-index:80;border-radius:9px;align-items:center;gap:12px;max-width:calc(100% - 40px);padding:12px 16px;font-size:12px;display:flex;position:absolute;bottom:72px;left:50%;transform:translate(-50%);box-shadow:0 5px 25px #0000000b}.error-banner{color:#b26556;background:#fff2ef;border:1px solid #f0d4cd}.error-banner button{color:inherit;background:0 0;border:0;padding:0;display:flex}.busy-banner{color:#64738e;background:#fff;border:1px solid #e2e6ef;bottom:120px}.toast{color:#fff;background:#343943;bottom:120px}.upload-failures{z-index:60;background:#fff;border:1px solid #eed4c8;border-radius:9px;gap:12px;padding:15px;font-size:12px;display:flex;position:absolute;bottom:150px;left:50%;transform:translate(-50%)}.upload-failures button{color:#4263eb;background:0 0;border:0}.modal-shade{-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);z-index:100;background:#1b233338;justify-content:center;align-items:center;padding:20px;display:flex;position:fixed;inset:0}.modal{background:#fff;border:1px solid #e8eaef;border-radius:14px;width:460px;max-width:100%;max-height:90dvh;padding:29px;overflow:auto;box-shadow:0 15px 60px #00000012}.modal-symbol{color:#8191b2;background:#f0f3fa;border-radius:13px;place-items:center;width:50px;height:50px;margin-bottom:22px;display:grid}.modal p{color:#9299a4;font-size:13px;line-height:1.9}.modal-actions{flex-wrap:wrap;justify-content:flex-end;gap:9px;margin-top:25px;display:flex}.setting-toggle,.shortcut-row{color:#747e8c;justify-content:space-between;align-items:center;padding:10px 0;font-size:12px;display:flex}.settings-modal h3{margin:22px 0 8px}.shortcut-row input{width:155px;font-size:12px;padding:7px 10px!important}.image-preview-modal{z-index:110;background:#171a20f5;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.image-preview-modal>img{object-fit:contain;max-width:85%;max-height:85%}.image-preview-modal>span{color:#c3c9d2;font-size:12px;position:absolute;bottom:20px}.image-preview-modal button{color:#fff;background:#ffffff12;border:1px solid #ffffff20;border-radius:50%;place-items:center;width:43px;height:43px;display:grid;position:absolute}.preview-close{top:20px;right:20px}.preview-prev{left:20px}.preview-next{right:20px}@media (width<=1000px){.sidebar{width:190px;padding:25px 12px}.workspace-header{padding:0 28px}.workspace-content{padding:35px 28px}.workspace-caption{display:none}.save-status span{text-overflow:ellipsis;max-width:140px;overflow:hidden}.properties{width:210px}.selection-toolbar{left:42%}}@media (width<=740px){.sidebar{width:66px;padding:25px 8px}.sidebar .brand{justify-content:center;gap:0;margin-bottom:35px;padding:0;font-size:0}.brand-dot,.space-label,.nav-item span,.nav-item small,.sidebar-bottom>div:not(.avatar){display:none}.nav-item{justify-content:center;padding:12px}.sidebar-bottom{justify-content:center}.workspace-header{height:64px;padding:0 20px}.workspace-content{padding:30px 20px}.page-title{align-items:flex-start}.page-title h1{font-size:25px}.page-title p{max-width:190px;line-height:1.7}.page-title>.primary{margin-top:25px;padding:9px 12px;font-size:12px}.board-grid{grid-template-columns:repeat(auto-fill,minmax(220px,1fr))}.workspace-foot{margin-top:40px}.editor-header{height:54px;padding:0 8px}.canvas-stage{top:54px}.save-status{display:none}.board-name{max-width:170px;font-size:12px}.header-actions{gap:1px}.header-actions .divider,.header-actions .subtle-button{display:none}.creation-tools{top:69px;left:10px}.properties{display:none}.side-panel{width:250px;top:69px;right:10px}.selection-toolbar{max-width:95%;top:auto;bottom:70px;left:50%;overflow-x:auto}.selection-count{display:none}.arrange-panel{top:auto;bottom:125px}.editor-bottom-left{bottom:15px;left:10px}.zoom-tools{bottom:15px;right:10px}.minimap{display:none}.group-breadcrumb{top:69px;left:70px}.canvas-empty h2{font-size:17px}.canvas-empty p{font-size:11px}.login{grid-template-columns:1fr}.login-art{display:none}.login-form{padding:35px}.error-banner{bottom:122px}.board-info a{max-width:200px}}@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}@media (pointer:coarse){.tool-button,.creation-tools .tool-button{min-width:40px;min-height:40px}}