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#142238;background:#0a1422;direction:rtl}.cell-type{display:flex;align-items:center;gap:6px;color:#70819a;font-size:.57rem;font-weight:800}.cell-type b{font:700 .56rem "JetBrains Mono",monospace;color:#8cb5fb;background:#12233a;padding:3px 6px;border-radius:6px}.cell-tools{display:flex;align-items:center;gap:3px}.cell-tools button{height:24px;min-width:24px;border:1px solid transparent;border-radius:7px;background:transparent;color:#70819a;padding:0 6px;cursor:pointer;font-size:.57rem}.cell-tools button:hover{border-color:var(--border);background:var(--panel2);color:#fff}.cell-tools .delete:hover{color:#ff94a5;border-color:rgba(255,97,119,.35)}.code-editor,.markdown-editor{display:block;width:100%;min-height:92px;resize:vertical;border:0;outline:0;background:#080f1a;color:#dbe9f9;padding:13px 15px;direction:ltr;text-align:left;tab-size:4;font:500 13px/1.72 "JetBrains 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var(--border);border-radius:9px;padding:10px;overflow:auto}.cell-output{border-top:1px solid #16243a;background:#070e18;direction:ltr;text-align:left}.cell-output:empty{display:none}.output-block{padding:10px 14px;color:#d4e0ee;font:500 12px/1.65 "JetBrains Mono",Consolas,monospace;white-space:pre-wrap;word-break:break-word;margin:0}.output-block.error{color:#ff9faf;background:rgba(255,97,119,.035)}.output-meta{display:flex;align-items:center;gap:8px;padding:6px 12px;border-top:1px solid #132036;color:#5f7088;font:600 .53rem "JetBrains Mono",monospace}.plot-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,330px),1fr));gap:9px;padding:10px}.plot-card{margin:0;border:1px solid var(--border);border-radius:10px;background:#fff;overflow:hidden}.plot-card img{display:block;width:100%;height:auto;max-height:520px;object-fit:contain}.plot-card figcaption{display:flex;justify-content:flex-end;padding:5px;background:#0a1422}.plot-card button{height:25px;border:1px solid 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#2a3a52;background:#050a11;display:grid;grid-template-rows:38px minmax(0,1fr) 40px;direction:ltr}.terminal-panel[hidden]{display:none}.terminal-head{display:flex;align-items:center;justify-content:space-between;padding:0 9px;border-bottom:1px solid #152238;background:#09111d;color:#aebbd0}.terminal-head>div{display:flex;align-items:center;gap:8px}.terminal-head span{color:var(--cyan);font:700 .8rem "JetBrains Mono",monospace}.terminal-head strong{font-size:.63rem;direction:rtl}.terminal-head small{font:600 .55rem "JetBrains Mono",monospace;color:#60718b}.terminal-head button{width:28px;height:28px;border:1px solid var(--border);border-radius:7px;background:var(--panel2);color:#8b99ad;cursor:pointer}.terminal-output{margin:0;padding:10px 12px;overflow:auto;white-space:pre-wrap;color:#b9c6d6;font:500 11px/1.6 "JetBrains Mono",Consolas,monospace}.terminal-output .error{color:#ff9faf}.terminal-form{display:grid;grid-template-columns:22px minmax(0,1fr) auto;align-items:center;gap:4px;border-top:1px solid #142137;padding:0 8px}.terminal-form>span{color:var(--cyan);font:700 .75rem "JetBrains Mono",monospace}.terminal-form input{height:31px;border:0;background:transparent;color:#e5edf7;outline:0;font:500 11px "JetBrains Mono",monospace}.terminal-form button{height:29px;border:1px solid var(--border);border-radius:7px;background:var(--panel2);color:#9badc4;font-size:.58rem;cursor:pointer}.side-backdrop{display:none}.toast{position:fixed;z-index:500;right:18px;bottom:18px;max-width:min(420px,calc(100vw - 36px));padding:10px 13px;border:1px solid #29405f;border-radius:11px;background:#0d1929;color:#e8f1ff;box-shadow:var(--shadow);font-size:.69rem;line-height:1.65;transform:translateY(18px);opacity:0;pointer-events:none;transition:.2s}.toast.show{transform:translateY(0);opacity:1}
[data-theme=light]{color-scheme:light;--bg:#f1f5fa;--panel:#fff;--panel2:#f5f8fc;--surface:#eef3f8;--surface2:#f8fbfe;--border:#d8e1ec;--border2:#c7d4e4;--text:#1b293b;--muted:#65758a}.lab-header[data-theme=light]{background:#fff}.theme-light .code-editor{background:#fbfdff;color:#152335}.theme-light .cell-card{background:#fff}
@media(max-width:1100px){.lab-brand>span:last-child{display:none}.notebook-name-wrap{border:0;padding:0}.header-button.home-button{display:none}.header-primary{gap:8px}.notebook-title{width:150px}}
@media(max-width:900px){:root{--header:60px}
.mobile-notebook-actions{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));align-items:stretch;gap:5px;padding:6px 7px;border-bottom:1px solid var(--border);background:#08111e;direction:rtl}
.mobile-notebook-action{min-width:0;height:36px;border:1px solid var(--border);border-radius:9px;background:var(--panel2);color:#b9c8db;display:flex;align-items:center;justify-content:center;gap:5px;padding:0 6px;cursor:pointer;text-decoration:none;font-size:.59rem;white-space:nowrap;overflow:hidden}
.mobile-notebook-action span{flex:0 0 auto;color:#8fb8ff;font:800 .8rem "JetBrains Mono",monospace}.mobile-notebook-action b{min-width:0;overflow:hidden;text-overflow:ellipsis;font-weight:800}.mobile-notebook-action:hover,.mobile-notebook-action:active{border-color:#3a5c89;background:#10213a;color:#fff}.mobile-notebook-action:disabled{opacity:.5;cursor:progress}
.workspace{grid-template-rows:49px 48px minmax(0,1fr)}.workspace.terminal-open{grid-template-rows:49px 48px minmax(0,1fr) var(--terminal)}.lab-header{grid-template-columns:minmax(0,1fr) auto auto;gap:7px;padding:0 8px}.header-primary{min-width:0}.notebook-name-wrap span{display:none}.notebook-title{width:min(160px,34vw);padding:0 6px}.engine-state{max-width:110px;padding:6px 8px;font-size:.61rem}.engine-state span:last-child{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.header-actions{gap:4px}.header-actions .header-button{display:none}.icon-button{display:inline-flex}.connect-button{height:36px;padding:0 9px;font-size:.62rem}.lab-shell{display:block;position:relative}.side-panel{position:fixed;z-index:120;top:var(--header);right:auto;left:0;bottom:0;width:min(360px,94vw);grid-template-columns:54px minmax(0,1fr);transform:translateX(-102%);transition:transform .22s ease;box-shadow:30px 0 80px rgba(0,0,0,.48)}.side-panel.open{transform:translateX(0)}.side-mobile-head{display:none}.side-backdrop{display:block;position:fixed;z-index:110;inset:var(--header) 0 0;border:0;background:rgba(0,0,0,.56);backdrop-filter:blur(2px)}.side-backdrop[hidden]{display:none}.workspace{height:100%}.workspace-toolbar{overflow-x:auto;scrollbar-width:none}.toolbar-group.secondary .tool-label{display:none}.notebook-viewport{padding-top:14px}.notebook-info,.load-progress,.notebook-cells,.notebook-add-row{width:min(100% - 16px,1050px)}.notebook-info{padding:13px;gap:10px}.notebook-info h1{font-size:.88rem}.notebook-info p{font-size:.59rem}.notebook-info>button{min-width:0;width:48px;height:46px;padding:0}.notebook-info>button div{display:none}.notebook-cell{grid-template-columns:45px minmax(0,1fr)}.cell-gutter{padding-top:7px}.cell-run{width:31px;height:31px}.cell-add-inline{right:53px}.code-editor{font-size:12px;padding:11px;min-height:100px}.cell-head{padding:0 5px}.cell-type span{display:none}.terminal-panel{grid-template-rows:36px minmax(0,1fr) 40px}}
@media(max-width:600px){.lab-header{grid-template-columns:minmax(0,1fr) auto auto}.brand-mark{width:34px;height:34px;flex-basis:34px}.notebook-title{width:min(120px,31vw);font-size:.67rem}.engine-state{max-width:86px;font-size:.56rem}.engine-state span:last-child{max-width:62px}.connect-button{width:36px;padding:0;font-size:0}.connect-button span{font-size:.65rem}.workspace-toolbar{padding:0 6px}.workspace-toolbar button,.tool-label{height:30px;padding:0 7px;font-size:.56rem}.toolbar-divider{display:none}.toolbar-group.secondary{margin-right:auto}.notebook-info{display:grid;grid-template-columns:minmax(0,1fr) auto}.notebook-info p{max-width:56ch}.notebook-cell{grid-template-columns:40px minmax(0,1fr)}.cell-run{width:29px;height:29px}.execution-count{font-size:.49rem}.cell-card{border-radius:10px}.cell-head{height:32px}.cell-tools button{padding:0 4px;min-width:22px}.cell-type b{font-size:.5rem}.code-editor{font-size:11.5px;line-height:1.65;padding:10px;min-height:110px}.markdown-preview,.markdown-editor{font-size:.7rem}.cell-add-inline{right:46px;left:5px}.plot-grid{grid-template-columns:1fr;padding:7px}.mobile-notebook-actions{padding:5px 6px;gap:4px}.mobile-notebook-action{height:35px;padding:0 4px;font-size:.54rem;gap:4px}.mobile-notebook-action span{font-size:.73rem}.workspace{grid-template-rows:45px 46px minmax(0,1fr)}.workspace.terminal-open{grid-template-rows:45px 46px minmax(0,1fr) min(42vh,300px)}.side-panel{width:95vw}.toast{right:8px;bottom:8px;max-width:calc(100vw - 16px)}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

/* ML Lab v31: VS Code-like Python syntax colors + isolated Jupyter HTML rendering */
.code-editor-shell{position:relative;min-width:0;background:#080f1a;overflow:hidden}.code-highlight{position:absolute;z-index:1;inset:0;margin:0;padding:13px 15px;border:0;background:#080f1a;color:#d4d4d4;direction:ltr;text-align:left;tab-size:4;font:500 13px/1.72 "JetBrains Mono",Consolas,monospace;white-space:pre;overflow:hidden;pointer-events:none}.code-editor-shell .code-editor{position:relative;z-index:2;background:transparent!important;color:transparent!important;-webkit-text-fill-color:transparent!important;white-space:pre;overflow:auto;caret-color:#66d9ef}.code-editor-shell .code-editor::selection{background:rgba(74,144,226,.34);color:transparent;-webkit-text-fill-color:transparent}.code-highlight .tok-keyword{color:#c586c0}.code-highlight .tok-string{color:#ce9178}.code-highlight .tok-comment{color:#6a9955;font-style:italic}.code-highlight .tok-number{color:#b5cea8}.code-highlight .tok-function,.code-highlight .tok-function-call{color:#dcdcaa}.code-highlight .tok-type,.code-highlight .tok-builtin{color:#4ec9b0}.code-highlight .tok-decorator{color:#d7ba7d}.code-highlight .tok-operator{color:#d4d4d4}.markdown-preview[data-rendered="1"]:empty:before{content:none}.html-output{display:block;padding:10px 14px;overflow:auto;background:#fff;color:#1f2937;border-top:1px solid #16243a}.html-output:empty{display:none}.theme-light .code-editor-shell,.theme-light .code-highlight{background:#fbfdff}.theme-light .code-editor-shell .code-editor{background:transparent!important;color:transparent!important;-webkit-text-fill-color:transparent!important}.theme-light .code-highlight{color:#152335}.theme-light .code-highlight .tok-keyword{color:#0000ff}.theme-light .code-highlight .tok-string{color:#a31515}.theme-light .code-highlight .tok-comment{color:#008000}.theme-light .code-highlight .tok-number{color:#098658}.theme-light .code-highlight .tok-function,.theme-light .code-highlight .tok-function-call{color:#795e26}.theme-light .code-highlight .tok-type,.theme-light .code-highlight .tok-builtin{color:#267f99}.theme-light .code-highlight .tok-decorator{color:#af00db}.theme-light .code-highlight .tok-operator{color:#1f2937}
@media(max-width:900px){.code-highlight{font-size:12px;padding:11px}}
@media(max-width:600px){.code-highlight{font-size:11.5px;line-height:1.65;padding:10px}}

/* ML Lab v33: rich HTML lesson cells show rendered content only */
.markdown-editor[hidden],.markdown-preview[hidden]{display:none!important}.html-display-cell .markdown-preview{cursor:default}.html-display-cell .markdown-preview{padding:10px 12px}
.imported-dataset-card{display:grid;gap:5px;margin:0 0 12px;padding:12px;border:1px solid #284a77;border-radius:10px;background:#0d1b2d;color:#d9e7f8}.imported-dataset-card[hidden]{display:none}.imported-dataset-card strong,.imported-dataset-card small{min-width:0;overflow-wrap:anywhere}.imported-dataset-card small{color:#9fb3cc}.imported-dataset-card a{width:max-content;max-width:100%;color:#8fbfff;font-size:.72rem;font-weight:700}.imported-dataset-card[data-state="loading"]{opacity:.78}.imported-dataset-card[data-state="error"]{border-color:#7b3341;background:#26141b}.theme-light .imported-dataset-card{border-color:#c5d7ee;background:#f4f8fd;color:#1c2f47}.theme-light .imported-dataset-card small{color:#60738a}.theme-light .imported-dataset-card[data-state="error"]{border-color:#e7b2bb;background:#fff5f6}