.skip-link{position:fixed;inset-block-start:-5rem;inset-inline-start:1rem;z-index:2147483647;padding:.65rem .9rem;border-radius:.5rem;background:var(--accent-color,#6366f1);color:var(--text-on-primary,#fff);font-weight:700;text-decoration:none;transition:inset-block-start var(--animation-fast, 160ms) var(--ease-in-out, ease)}.skip-link:focus,.skip-link:focus-visible{inset-block-start:max(0.75rem,env(safe-area-inset-top,0px));outline:3px solid var(--text-on-primary,#fff);outline-offset:2px}.skip-link.sr-only:focus,.skip-link.sr-only:focus-visible{position:fixed!important;clip:auto;clip-path:none;height:auto;width:auto;overflow:visible;white-space:normal;margin:0;padding:.65rem .9rem}:root{--chat-x:clamp(0.75rem, 2vw, 1.5rem);--chat-y:clamp(0.75rem, 2vw, 1.5rem);--chat-w:min(calc(100vw - 48px), 1600px);--chat-h:calc(100vh - 48px);--sidebar-width:260px;--leiste-inline:0px;--background-color:#0a0b0f;--primary-color:#101218;--primary-variant-color:#101218;--secondary-color:#151823;--surface-color:#101218;--elevation-low:#151823;--elevation-mid:#1c2030;--elevation-high:#252a3c;--surface-subtle:#0d0e13;--surface-elevated:var(--elevation-low);--surface-elevated-strong:var(--elevation-mid);--border-color:rgba(255, 255, 255, 0.10);--border-subtle:rgba(255, 255, 255, 0.06);--border-strong:rgba(255, 255, 255, 0.16);--sidebar-bg:#0d0e13;--footer-background:#0a0b0f;--nav-hover-bg:rgba(129, 140, 248, 0.07);--tooltip-background:#1a1c2e;--tooltip-text-color:#eaecf5;--banner-bg-color:#1a1c2e;--banner-bg-hover-color:#222538;--text-color:#c9cfdc;--text-secondary:#9099ad;--text-muted:#8b94a8;--text-color-light:#c9cfdc;--heading-color:#f3f5fb;--info-bg:color-mix(in oklab, var(--success-color) 12%, var(--surface-color) 88%);--info-text:color-mix(in oklab, var(--success-color) 75%, var(--background-color) 25%);--highlight-color:rgba(129, 140, 248, 0.07);--highlight-soft:rgba(129, 140, 248, 0.04);--highlight-strong:color-mix(in oklab, var(--accent-color) 18%, transparent);--timer-bar-color:#e4e7f1;--timer-bar-success:var(--success-color);--timer-bar-error:var(--error-color);--timer-bar-update:var(--update-color);--overlay-color:rgba(5, 5, 10, 0.78);--input-background:#101218;--input-border:rgba(139, 143, 196, 0.18);--button-background:#151823;--button-hover:#1c2030;--toggle-bg-color:#101218;--toggle-hover-bg-color:#151823;--font-size-min:0.75rem;--font-size-base:16px;--font-size-normal:1rem;--font-size-small:0.875rem;--font-size-smaller:0.75rem;--font-size-xsmall:var(--font-size-min);--font-size-large:1.25rem;--font-size-title:clamp(1.75rem, 2.5vw + 1rem,  2.5rem);--font-size-h1:clamp(2rem,    4vw   + 1rem,   3rem);--font-size-h2:clamp(1.75rem, 3.5vw + 0.75rem,2.5rem);--font-size-h3:clamp(1.5rem,  3vw   + 0.5rem, 2rem);--leading-tight:1.2;--leading-snug:1.35;--leading-normal:1.6;--leading-relaxed:1.75;--tracking-tight:-0.02em;--tracking-snug:-0.01em;--tracking-normal:0;--weight-regular:400;--weight-medium:500;--weight-semibold:600;--weight-bold:700;--weight-extrabold:800;--padding-small:12px;--padding-base:16px;--padding-large:24px;--padding-xl:40px;--margin-top:24px;--margin-bottom-large:64px;--space-0:0px;--space-05:4px;--space-1:8px;--space-2:16px;--space-3:24px;--space-4:32px;--space-5:40px;--space-6:48px;--space-7:64px;--space-8:80px;--touch-min:44px;--border-radius:12px;--radius-xsmall:4px;--radius-small:8px;--radius-medium:12px;--radius-large:18px;--radius-full:999px;--hover-shadow:0 8px 24px rgba(0, 0, 0, 0.35),0 0 0 1px rgba(139, 143, 196, 0.06),0 0 16px color-mix(in oklab, var(--accent-color) 5%, transparent);--elevation-shadow:0 16px 40px rgba(0, 0, 0, 0.45),0 0 0 1px rgba(139, 143, 196, 0.08),0 0 32px color-mix(in oklab, var(--accent-color) 6%, transparent);--transition-duration:0.3s;--ease-in-out:cubic-bezier(0.4, 0, 0.2, 1);--animation-fast:150ms var(--ease-in-out);--animation-medium:300ms var(--ease-in-out);--animation-slow:500ms var(--ease-in-out);--t-fast:140ms;--chart-text-color:var(--text-color);--chart-grid-color:rgba(139, 143, 196, 0.1);--chart-axis-color:var(--text-muted);--chart-border-color:var(--accent-color);--chart-fill-color:color-mix(in oklab, var(--accent-color) 16%, transparent);--chart-line-color:var(--accent-color);--code-fg:#c9cfdc;--code-muted:var(--text-muted);--code-keyword:var(--accent-color);--code-operator:#9da3be;--code-number:var(--warning-color);--code-string:color-mix(in oklab, var(--success-color) 80%, var(--background-color) 20%);--code-atom:color-mix(in oklab, var(--update-color)  80%, var(--background-color) 20%);--code-builtin:color-mix(in oklab, var(--accent-color)  90%, var(--background-color) 10%);--code-prop:color-mix(in oklab, var(--accent-color)  75%, var(--background-color) 25%);--code-tag:color-mix(in oklab, var(--error-color)   85%, var(--background-color) 15%);--code-attr:color-mix(in oklab, var(--error-color)   75%, var(--background-color) 25%);--code-meta:var(--text-muted);--code-error-fg:var(--error-color);--code-error-bg:color-mix(in oklab, var(--error-color) 12%, transparent);--code-bracket:var(--accent-color);--code-linehl:rgba(129, 140, 248, 0.05);--code-selection:color-mix(in oklab, var(--accent-color) 20%, transparent);--code-cursor:var(--accent-color);--node-fill:var(--success-color);--current-node-fill:var(--warning-color);--visited-node-fill:var(--error-color);--final-node-fill:#059669;--edge-color:var(--text-muted);--edge-highlight:var(--error-color);--shortest-path-color:var(--accent-color);--thinking-size:56px;--pulse-duration:2s;--spin-duration:4s;--ai-primary:var(--accent-color);--drawer-w:280px;--drawer-w-mobile:180px;--header-h:56px;--resizer-size:8px;--resizer-hit:16px;--hamburger-size:38px;--hamburger-inset:1rem;--z-hamburger:1200;--z-bottomnav:1100;--z-tooltip:1000;--z-drawer-overlay:11001;--z-drawer:11002;--z-cv-modal:11500;--z-cv-modal-stacked:12000;--z-cv-notification:13000;--_input-bg-hover:color-mix(in oklab, var(--primary-color) 85%, var(--accent-color) 15%);--_input-bg-focus:color-mix(in oklab, var(--primary-color) 75%, var(--accent-color) 25%);--_input-bg-invalid:color-mix(in oklab, var(--primary-color) 78%, var(--error-color)  22%);--_placeholder:var(--text-muted);--print-background:#ffffff;--print-text:#000000}[data-theme=light],body.light-theme{color-scheme:light;--background-color:#fafaf7;--primary-color:#ffffff;--primary-variant-color:#f5f5f1;--secondary-color:#ececec;--surface-color:#ffffff;--elevation-low:#f5f5f1;--elevation-mid:#ececec;--elevation-high:#e0e0dc;--surface-subtle:#fafaf7;--surface-elevated:var(--elevation-low);--surface-elevated-strong:var(--elevation-mid);--border-color:rgba(15, 18, 30, 0.10);--border-subtle:rgba(15, 18, 30, 0.06);--border-strong:rgba(15, 18, 30, 0.18);--sidebar-bg:#ffffff;--footer-background:#fafaf7;--nav-hover-bg:rgba(99, 115, 146, 0.06);--tooltip-background:#1e293b;--tooltip-text-color:#f8fafc;--banner-bg-color:#e8eeff;--banner-bg-hover-color:#dce4ff;--text-color:#2c3142;--text-secondary:#5b6378;--text-muted:#5f6880;--text-color-light:#5b6378;--heading-color:#14161e;--info-bg:color-mix(in oklab, var(--success-color) 10%, var(--surface-color) 90%);--info-text:color-mix(in oklab, var(--success-color) 80%, var(--text-color)    20%);--highlight-color:rgba(15, 23, 42, 0.05);--highlight-soft:rgba(15, 23, 42, 0.03);--highlight-strong:color-mix(in oklab, var(--accent-color) 14%, transparent);--timer-bar-color:#0f172a;--timer-bar-success:var(--success-color);--timer-bar-error:var(--error-color);--timer-bar-update:var(--update-color);--overlay-color:rgba(15, 23, 42, 0.48);--input-background:#fafaf7;--input-border:rgba(15, 18, 30, 0.10);--button-background:#f5f5f1;--button-hover:#ececec;--toggle-bg-color:#ececec;--toggle-hover-bg-color:#d8d8d4;--hover-shadow:0 6px 20px rgba(0,0,0,0.06),0 0 0 1px rgba(0,0,0,0.04),0 0 14px rgba(79,70,229,0.04);--elevation-shadow:0 12px 36px rgba(0,0,0,0.08),0 0 0 1px rgba(0,0,0,0.05),0 0 28px rgba(79,70,229,0.05);--chart-text-color:var(--text-color);--chart-grid-color:#e8ecf4;--chart-axis-color:#64748b;--chart-border-color:var(--accent-color);--chart-fill-color:color-mix(in oklab, var(--accent-color) 10%, transparent);--chart-line-color:var(--accent-color);--code-fg:#1e293b;--code-muted:#94a3b8;--code-keyword:#6d28d9;--code-operator:#475569;--code-number:#b45309;--code-string:#15803d;--code-atom:#0369a1;--code-builtin:#4338ca;--code-prop:#4f46e5;--code-tag:#be123c;--code-attr:#c2410c;--code-meta:#94a3b8;--code-error-fg:var(--error-color);--code-error-bg:color-mix(in oklab, var(--error-color) 10%, transparent);--code-bracket:var(--accent-color);--code-linehl:rgba(99, 115, 146, 0.06);--code-selection:color-mix(in oklab, var(--accent-color) 16%, transparent);--code-cursor:var(--accent-color);--node-fill:var(--success-color);--current-node-fill:var(--warning-color);--visited-node-fill:var(--error-color);--final-node-fill:#15803d;--edge-color:#94a3b8;--edge-highlight:var(--error-color);--shortest-path-color:var(--accent-color);--thinking-size:56px;--pulse-duration:2s;--spin-duration:4s;--ai-primary:hsl(245 75% 57%);--_input-bg-hover:#f1f4f9;--_input-bg-focus:#ebeef6;--_input-bg-invalid:color-mix(in oklab, var(--error-color) 8%, var(--surface-color) 92%);--_placeholder:#94a3b8}:root{--bg-0:var(--background-color);--bg-1:var(--surface-color);--bg-2:var(--elevation-low);--bg-3:var(--elevation-mid);--bg-glass:rgba(16, 18, 24, 0.72);--line:var(--border-subtle);--line-2:var(--border-color);--line-3:var(--border-strong);--ink:var(--heading-color);--ink-2:var(--text-color);--ink-3:var(--text-secondary);--ink-4:var(--text-muted);--serif:var(--font-display);--sans:var(--font-family);--mono:var(--font-monospace);--nav-h:68px;--radius:18px;--radius-sm:10px;--maxw:1240px;--shadow-sm:0 1px 2px rgba(0, 0, 0, 0.4);--shadow:var(--hover-shadow);--shadow-lg:var(--elevation-shadow)}[data-theme=light],body.light-theme{--bg-glass:rgba(250, 250, 247, 0.78);--shadow-sm:0 1px 2px rgba(15, 18, 30, 0.06)}:root{--accent-color-h:239;--accent-color-s:84%;--accent-color-l:73%;--accent-color-hsl:hsl(var(--accent-color-h) var(--accent-color-s) var(--accent-color-l));--accent-color:var(--accent-color-hsl);--accent-color-hover:hsl(var(--accent-color-h) var(--accent-color-s) calc(var(--accent-color-l) + 5%));--accent-color-strong:hsl(var(--accent-color-h) var(--accent-color-s) calc(var(--accent-color-l) + 10%));--accent-deep:hsl(var(--accent-color-h) var(--accent-color-s) calc(var(--accent-color-l) - 14%));--accent-soft:color-mix(in oklab, var(--accent-color) 15%, transparent);--accent-subtle:color-mix(in oklab, var(--accent-color)  8%, transparent);--link-color:hsl(var(--accent-color-h) calc(var(--accent-color-s) - 4%) calc(var(--accent-color-l) + 1%));--link-hover-color:hsl(var(--accent-color-h) var(--accent-color-s) calc(var(--accent-color-l) + 7%));--focus-outline:2px solid hsl(var(--accent-color-h) var(--accent-color-s) calc(var(--accent-color-l) - 1%));--focus-ring-color:color-mix(in oklab, var(--accent-color) 45%, transparent);--focus:color-mix(in oklab, var(--accent-color) 30%, transparent);--success-color:#34d399;--warning-color:#fbbf24;--error-color:#f87171;--update-color:#60a5fa;--text-on-success:#09090f;--text-on-warning:#09090f;--text-on-primary:#09090f;--m-brain:#818cf8;--m-code:#60a5fa;--m-dsa:#fbbf24;--m-mate:#34d399;--m-math:#f472b6;--m-cards:#a78bfa;--m-notes:#34d399;--m-planer:#fb923c;--m-lingua:#22d3ee;--m-cyber:#22d3ee;--acc:var(--accent-color);--acc-2:var(--accent-color-hover);--acc-deep:var(--accent-deep);--acc-glow:color-mix(in oklab, var(--accent-color) 22%, transparent);--good:var(--success-color);--warn:var(--warning-color);--bad:var(--error-color);--font-family:Arial,Helvetica,sans-serif;--font-display:var(--font-family);--font-monospace:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;--text-on-deep:#ffffff;--shadow-ink:#000000;--mock-bg:#0d0f15;--mock-bg-raised:#1a1d28;--mock-ink:#e5e7eb;--mock-dim:#6b7280;--mock-accent:#818cf8;--mock-kw:#c084fc;--mock-fn:#60a5fa;--mock-str:#34d399;--mock-num:#fbbf24}[data-theme=light],body.light-theme{--accent-color-h:243;--accent-color-s:75%;--accent-color-l:59%;--accent-color-hover:hsl(var(--accent-color-h) var(--accent-color-s) calc(var(--accent-color-l) -  7%));--accent-color-strong:hsl(var(--accent-color-h) var(--accent-color-s) calc(var(--accent-color-l) - 14%));--accent-deep:hsl(var(--accent-color-h) var(--accent-color-s) calc(var(--accent-color-l) - 17%));--accent-soft:color-mix(in oklab, var(--accent-color) 12%, transparent);--accent-subtle:color-mix(in oklab, var(--accent-color)  7%, transparent);--link-color:hsl(var(--accent-color-h) var(--accent-color-s) calc(var(--accent-color-l) -  4%));--link-hover-color:hsl(var(--accent-color-h) var(--accent-color-s) calc(var(--accent-color-l) - 12%));--focus-outline:2px solid hsl(var(--accent-color-h) var(--accent-color-s) calc(var(--accent-color-l) + 6%));--focus-ring-color:color-mix(in oklab, var(--accent-color) 40%, transparent);--success-color:#166534;--warning-color:#92400e;--error-color:#b91c1c;--update-color:#0369a1;--text-on-primary:#ffffff;--m-brain:#4f46e5;--m-code:#2563eb;--m-dsa:#92400e;--m-mate:#166534;--m-math:#be185d;--m-cards:#7c3aed;--m-notes:#166534;--m-planer:#9a3412;--m-lingua:#155e75;--m-cyber:#0891b2;--acc-glow:color-mix(in oklab, var(--accent-color) 18%, transparent);--shadow-ink:#0f172a}*,::after,::before{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html{font-size:var(--font-size-base, 100%);scroll-behavior:smooth;scroll-padding-top:4rem}body{margin:0;overflow-x:hidden;overflow-x:clip;background-color:var(--background-color);background-image:radial-gradient(1200px 700px at 50% -8%,color-mix(in oklab,var(--accent-color) 10%,transparent) 0,transparent 60%),radial-gradient(800px 500px at 8% 4%,color-mix(in oklab,var(--text-muted) 6%,transparent) 0,transparent 55%),radial-gradient(900px 550px at 92% 12%,color-mix(in oklab,var(--accent-color) 5%,transparent) 0,transparent 58%),radial-gradient(600px 400px at 50% 100%,color-mix(in oklab,var(--elevation-low) 40%,transparent) 0,transparent 70%),linear-gradient(180deg,var(--primary-color) 0,transparent 40%);background-repeat:no-repeat;background-attachment:fixed;background-size:cover;color:var(--text-color);font-family:var(--font-family);font-size:var(--font-size-normal);line-height:1.65;padding:var(--space-3);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility;transition:background-color .4s var(--ease-in-out),color .3s var(--ease-in-out)}body:has(> #footerBGI){padding-block-end:0}@supports not (color:color-mix(in oklab,white,black)){body{background-image:radial-gradient(1100px 620px at 50% -12%,color-mix(in oklab,var(--accent-color) 12%,transparent) 0,transparent 62%),radial-gradient(900px 520px at 12% 6%,color-mix(in oklab,var(--accent-color) 6%,transparent) 0,transparent 58%),radial-gradient(900px 560px at 88% 10%,color-mix(in oklab,var(--accent-color) 5%,transparent) 0,transparent 60%),linear-gradient(180deg,color-mix(in oklab,var(--overlay-color) 25%,transparent) 0,transparent 40%)}:root{--_input-bg-hover:var(--input-background);--_input-bg-focus:var(--input-background);--_input-bg-invalid:var(--input-background)}}img,svg,video{max-width:100%;height:auto;display:block}::selection{background:color-mix(in oklab,var(--accent-color) 30%,transparent);color:var(--text-color)}a{color:var(--link-color);text-decoration:none;transition:color var(--animation-fast)}a:hover{color:var(--link-hover-color)}a:focus-visible{outline:var(--focus-outline);outline-offset:2px;color:var(--link-hover-color);border-radius:3px}hr,hr.divider{border:none;border-top:1px solid var(--border-subtle);margin:var(--space-5) 0}.brainchat-modal-box,.braincode-ide,.chat-window,.footer-bgi,.ide-modal,.kpi,.off-canvas-menu,.preview-box,.site-header,.stepper-item{transition:background-color .35s var(--ease-in-out),border-color .35s var(--ease-in-out),box-shadow .35s var(--ease-in-out),color .3s var(--ease-in-out)}h1,h2,h3,h4,h5,h6{color:var(--heading-color);font-family:var(--font-display);font-weight:800;line-height:1.2;letter-spacing:-.02em;margin:0 0 var(--space-3);overflow-wrap:break-word;hyphens:auto}h1{font-size:var(--font-size-h1);letter-spacing:-.03em}h2{font-size:var(--font-size-h2)}h3{font-size:var(--font-size-h3)}h4{font-size:var(--font-size-large);font-weight:700}h5,h6{font-size:var(--font-size-normal);font-weight:700}p{font-size:var(--font-size-small);color:var(--text-color);line-height:1.75;margin:0 0 var(--space-3);word-break:break-word}ol,ul{font-size:var(--font-size-small);color:var(--text-color);line-height:1.65;margin:0 0 var(--space-3);padding-left:var(--space-5)}li{position:relative;margin:.45em 0;font-size:var(--font-size-normal);color:var(--text-color)}li code{font-family:var(--font-monospace);font-size:var(--font-size-smaller);background:var(--highlight-color);color:var(--accent-color);padding:2px 6px;border-radius:var(--radius-small)}label{display:inline-block;margin-bottom:5px;color:var(--text-secondary);font-size:var(--font-size-smaller);font-weight:700;text-transform:uppercase;letter-spacing:.05em}input[type=date],input[type=datetime-local],input[type=email],input[type=number],input[type=password],input[type=search],input[type=tel],input[type=text],input[type=url],select,textarea{width:100%;padding:var(--space-2) clamp(.85rem,.65rem + .4vw,1rem);min-height:40px;background:var(--input-background);color:var(--text-color);border:1px solid var(--border-subtle);border-radius:var(--border-radius);outline:0;font-family:var(--font-family);font-size:var(--font-size-small);line-height:1.5;transition:background-color var(--animation-fast),border-color var(--animation-fast),box-shadow var(--animation-fast),color var(--animation-fast)}input[type=date]:focus-visible,input[type=datetime-local]:focus-visible,input[type=email]:focus-visible,input[type=number]:focus-visible,input[type=password]:focus-visible,input[type=search]:focus-visible,input[type=tel]:focus-visible,input[type=text]:focus-visible,input[type=url]:focus-visible{outline:var(--focus-outline,2px solid 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var(--transition-base)}.braincode-ide.fullscreen{border-radius:0;border:none}.ide-header{display:flex;align-items:center;gap:var(--ide-gap);padding:0 var(--ide-padding);min-height:48px;background:var(--bg-secondary);border-bottom:1px solid var(--border-color);transition:background var(--transition-base),border-color var(--transition-base)}.header-center,.header-left,.header-right{display:flex;align-items:center;gap:var(--ide-gap)}.header-center{flex:1;justify-content:center}.ide-logo{display:flex;align-items:center;gap:8px;font-weight:600;color:var(--text-primary);user-select:none}.ide-version{font-size:var(--font-size-xs);color:var(--text-muted);font-weight:400}.braincode-ide .btn{padding:8px 16px;font-size:var(--font-size-base);font-weight:500;background:var(--bg-tertiary);color:var(--text-primary);border:none;border-radius:var(--radius-sm)}.braincode-ide .btn:hover:not(:disabled){background:var(--bg-hover)}.braincode-ide .btn-primary{background:var(--accent-primary);color:var(--text-on-primary)}.braincode-ide .btn-primary:hover:not(:disabled){background:var(--accent-color-hover)}.braincode-ide .btn-icon{padding:8px;min-width:32px;min-height:32px}.braincode-ide .btn-close{color:var(--text-muted)}.braincode-ide .btn-close:hover:not(:disabled){color:var(--error-color);background:color-mix(in oklab,var(--error-color) 15%,transparent)}.ide-body{display:flex;flex:1;min-height:0;overflow:hidden}.ide-sidebar{display:flex;flex-direction:column;width:280px;min-width:200px;max-width:500px;background:var(--bg-secondary);border-right:1px solid var(--border-color);transition:background var(--transition-base),border-color var(--transition-base)}.sidebar-header{display:flex;align-items:center;justify-content:space-between;padding:var(--ide-padding);border-bottom:1px solid var(--border-subtle)}.sidebar-title{font-size:var(--font-size-sm);font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);margin:0}.sidebar-actions{display:flex;gap:4px}.file-tree{flex:1;overflow-y:auto;padding:8px 0}.tree-item{display:flex;align-items:center;gap:8px;padding:6px 16px;cursor:pointer;color:var(--text-primary);transition:color var(--transition-fast),background-color var(--transition-fast),opacity var(--transition-fast),transform var(--transition-fast),border-color var(--transition-fast),box-shadow var(--transition-fast);user-select:none}.tree-item:hover{background:var(--bg-hover)}.tree-item.selected{background:var(--accent-soft);color:var(--accent-primary);font-weight:500}.tree-item.dragging{opacity:.5}.tree-item.drop-target{background:var(--accent-soft);border:2px dashed var(--accent-primary)}.tree-icon{width:16px;font-size:14px;text-align:center;flex-shrink:0}.tree-name{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.braincode-ide .sidebar-resizer{width:4px;cursor:col-resize;background:0 0;flex-shrink:0;transition:background var(--transition-fast)}.braincode-ide .sidebar-resizer:hover{background:var(--accent-primary)}.ide-main{display:flex;flex-direction:column;flex:1;min-width:0;background:var(--bg-primary)}.tab-bar{display:flex;gap:4px;padding:8px;background:var(--bg-secondary);border-bottom:1px solid var(--border-color);overflow-x:auto;scrollbar-width:thin}.tab{display:flex;align-items:center;gap:8px;padding:8px 12px;border-radius:var(--radius-sm);background:var(--bg-tertiary);color:var(--text-secondary);cursor:pointer;transition:color var(--transition-fast),background-color var(--transition-fast),opacity var(--transition-fast),transform var(--transition-fast),border-color var(--transition-fast),box-shadow var(--transition-fast);white-space:nowrap;user-select:none}.tab:hover{background:var(--bg-hover);color:var(--text-primary)}.tab.active{background:var(--bg-primary);color:var(--accent-primary);font-weight:500;box-shadow:0 -2px 0 0 var(--accent-primary) inset}.tab-name{max-width:150px;overflow:hidden;text-overflow:ellipsis}.tab-close{padding:2px;border-radius:4px;background:0 0;border:none;color:var(--text-muted);cursor:pointer;font-size:16px;line-height:1;transition:color var(--transition-fast),background-color var(--transition-fast),opacity var(--transition-fast),transform var(--transition-fast),border-color var(--transition-fast),box-shadow var(--transition-fast)}.tab-close:hover{background:var(--bg-hover);color:var(--error-color)}.editor-area{flex:1;position:relative;overflow:hidden}.editor-container{position:absolute;inset:0}.editor-instance{height:100%}.editor-placeholder{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:var(--bg-primary);transition:opacity var(--transition-base)}.editor-placeholder.hidden{opacity:0;pointer-events:none}.placeholder-content{text-align:center;max-width:400px;padding:var(--ide-padding)}.placeholder-content h2{margin:0 0 8px;color:var(--text-primary)}.placeholder-content p{margin:0 0 24px;color:var(--text-muted)}.bottom-panel{display:flex;flex-direction:column;min-height:200px;max-height:400px;background:var(--bg-secondary);border-top:1px solid var(--border-color);position:relative}.panel-tabs{display:flex;gap:4px;padding:8px;background:var(--bg-tertiary);border-bottom:1px solid var(--border-subtle)}.panel-tab{display:flex;align-items:center;gap:6px;padding:8px 16px;border:none;border-radius:var(--radius-sm);background:0 0;color:var(--text-secondary);cursor:pointer;font-size:var(--font-size-sm);font-weight:500;transition:color var(--transition-fast),background-color var(--transition-fast),opacity var(--transition-fast),transform var(--transition-fast),border-color var(--transition-fast),box-shadow var(--transition-fast)}.panel-tab:hover{background:var(--bg-hover);color:var(--text-primary)}.panel-tab.active{background:var(--bg-secondary);color:var(--accent-primary)}.panel-content{flex:1;position:relative;overflow:hidden}.panel-section{position:absolute;inset:0;padding:var(--ide-padding);overflow-y:auto;display:none}.panel-section.active{display:block}.output-content{font-family:var(--font-mono);font-size:var(--font-size-sm)}.output-placeholder{color:var(--text-muted);font-style:italic}.execution-result{padding:var(--ide-padding);border-radius:var(--radius-sm);background:var(--bg-tertiary);margin-bottom:16px}.execution-status{margin-bottom:12px}.status-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.timestamp{color:var(--text-muted);font-size:var(--font-size-xs)}.output-section{margin:12px 0}.output-label{font-weight:600;margin-bottom:4px;color:var(--text-secondary)}.output-text{padding:12px;background:var(--bg-primary);border:1px solid var(--border-subtle);border-radius:var(--radius-sm);overflow-x:auto;margin:0}.output-section.error .output-label{color:var(--error-color)}.output-section.error .output-text{border-color:var(--error-color);background:color-mix(in oklab,var(--error-color) 10%,var(--bg-primary))}.execution-stats{margin-top:8px;color:var(--text-muted);font-size:var(--font-size-xs)}.execution-error{padding:16px;background:color-mix(in oklab,var(--error-color) 15%,transparent);border-left:4px solid var(--error-color);border-radius:var(--radius-sm)}.error-header{display:flex;align-items:center;gap:8px;margin-bottom:8px;color:var(--error-color);font-weight:600}.error-message{color:var(--text-primary)}.stdin-textarea{width:100%;min-height:100px;padding:12px;background:var(--bg-tertiary);border:1px solid var(--border-color);border-radius:var(--radius-sm);color:var(--text-primary);font-family:var(--font-mono);font-size:var(--font-size-sm);resize:vertical;transition:color var(--transition-fast),background-color var(--transition-fast),opacity var(--transition-fast),transform var(--transition-fast),border-color var(--transition-fast),box-shadow var(--transition-fast)}.stdin-textarea:focus{outline:0;border-color:var(--accent-primary);box-shadow:0 0 0 3px var(--accent-soft)}.loading-overlay{position:absolute;inset:0;display:none;align-items:center;justify-content:center;background:var(--overlay-color);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:10}.loading-overlay.active{display:flex}.loading-spinner{width:40px;height:40px;border:4px solid var(--border-color);border-top-color:var(--accent-primary);border-radius:50%;animation:spin 1s linear infinite}.loading-text{position:absolute;top:60%;color:var(--text-primary);font-weight:500}.ide-statusbar{display:flex;align-items:center;justify-content:space-between;padding:4px var(--ide-padding);min-height:24px;background:var(--bg-tertiary);border-top:1px solid var(--border-color);font-size:var(--font-size-xs);color:var(--text-secondary)}.status-left,.status-right{display:flex;align-items:center;gap:16px}.status-item{display:flex;align-items:center;gap:4px}.ide-modal-overlay{position:fixed;inset:0;display:none;align-items:center;justify-content:center;background:color-mix(in oklab,var(--background-color) 92%,transparent);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);opacity:0;visibility:hidden;z-index:var(--z-ide-modal,10100);transition:opacity var(--transition-base),visibility var(--transition-base)}.ide-modal-overlay.active{display:flex;opacity:1;visibility:visible}.ide-modal-overlay:not(.active){display:none;pointer-events:none}.ide-modal{width:90%;max-width:500px;max-height:90vh;background:var(--bg-primary);border:1px solid var(--border-color);border-radius:var(--radius-lg);box-shadow:var(--shadow-xl);overflow:hidden;transform:scale(.95);opacity:0;z-index:calc(var(--z-ide-modal,10100) + 1);position:relative;transition:transform var(--transition-base),opacity var(--transition-base)}.ide-modal-overlay.active .ide-modal{transform:scale(1);opacity:1}[data-theme=light] .ide-modal,body.light-theme .ide-modal{background:var(--surface-color)}.ide-modal-header{display:flex;align-items:center;justify-content:space-between;padding:20px 24px;border-bottom:1px solid var(--border-color)}.ide-modal-title{margin:0;font-size:var(--font-size-lg);font-weight:600;color:var(--text-primary)}.ide-modal-close{padding:4px;border:none;background:0 0;color:var(--text-muted);font-size:24px;line-height:1;cursor:pointer;border-radius:var(--radius-sm);transition:color var(--transition-fast),background-color var(--transition-fast),opacity var(--transition-fast),transform var(--transition-fast),border-color var(--transition-fast),box-shadow var(--transition-fast)}.ide-modal-close:hover{background:var(--bg-hover);color:var(--error-color)}.ide-modal-body{padding:24px;max-height:calc(90vh - 160px);overflow-y:auto}.ide-modal-footer{display:flex;gap:12px;justify-content:flex-end;padding:20px 24px;border-top:1px solid var(--border-color)}.form-group{margin-bottom:20px}.form-label{display:block;margin-bottom:8px;font-weight:500;color:var(--text-primary);font-size:var(--font-size-sm)}.form-input{width:100%;padding:10px 12px;background:var(--bg-tertiary);border:1px solid var(--border-color);border-radius:var(--radius-sm);color:var(--text-primary);font-size:var(--font-size-base);transition:color var(--transition-fast),background-color var(--transition-fast),opacity var(--transition-fast),transform var(--transition-fast),border-color var(--transition-fast),box-shadow var(--transition-fast)}.form-input:focus{outline:0;border-color:var(--accent-primary);box-shadow:0 0 0 3px var(--accent-soft)}body.light-theme .form-input{background:var(--surface-color)}.context-menu{position:fixed;min-width:200px;background:var(--bg-primary);border:1px solid var(--border-color);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);padding:4px;opacity:0;visibility:hidden;transform:scale(.95);z-index:var(--z-ide-modal,10100)!important;transition:color var(--transition-fast),background-color var(--transition-fast),opacity var(--transition-fast),transform var(--transition-fast),border-color var(--transition-fast),box-shadow var(--transition-fast)}.context-menu.active{opacity:1;visibility:visible;transform:scale(1)}body.light-theme .context-menu{background:var(--surface-color)}.context-menu-item{display:flex;align-items:center;gap:12px;padding:8px 12px;cursor:pointer;border-radius:var(--radius-sm);color:var(--text-primary);font-size:var(--font-size-sm);transition:color var(--transition-fast),background-color var(--transition-fast),opacity var(--transition-fast),transform var(--transition-fast),border-color var(--transition-fast),box-shadow var(--transition-fast);user-select:none}.context-menu-item:hover:not(.disabled){background:var(--bg-hover)}.context-menu-item.disabled{opacity:.5;cursor:not-allowed}.context-menu-item.danger{color:var(--error-color)}.context-menu-item.danger:hover:not(.disabled){background:color-mix(in oklab,var(--error-color) 15%,transparent)}.context-menu-icon{width:16px;text-align:center;flex-shrink:0}.context-menu-label{flex:1}.context-menu-shortcut{color:var(--text-muted);font-size:var(--font-size-xs)}.context-menu-divider{height:1px;margin:4px 0;background:var(--border-subtle)}.ide-notifications{position:fixed;top:20px;right:20px;display:flex;flex-direction:column;gap:12px;z-index:var(--z-notification);pointer-events:none}.notification{min-width:min(300px,100%);max-width:min(400px,100%);padding:16px;background:var(--bg-primary);border:1px solid var(--border-color);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);pointer-events:all;opacity:0;transform:translateY(-.75rem);transition:color var(--transition-base),background-color var(--transition-base),opacity var(--transition-base),transform var(--transition-base),border-color var(--transition-base),box-shadow var(--transition-base)}.notification.show{opacity:1;transform:translateX(0)}body.light-theme .notification{background:var(--surface-color)}.notification.success{border-left:4px solid var(--success-color)}.notification.error{border-left:4px solid var(--error-color)}.notification.warning{border-left:4px solid var(--warning-color)}.notification.info{border-left:4px solid var(--update-color)}.notification-content{display:flex;align-items:flex-start;gap:12px}.notification-icon{font-size:18px;flex-shrink:0}.notification.success .notification-icon{color:var(--success-color)}.notification.error .notification-icon{color:var(--error-color)}.notification.warning .notification-icon{color:var(--warning-color)}.notification.info .notification-icon{color:var(--update-color)}.notification-text{flex:1;color:var(--text-primary);font-size:var(--font-size-sm)}.notification-close{padding:4px;border:none;background:0 0;color:var(--text-muted);font-size:18px;line-height:1;cursor:pointer;border-radius:var(--radius-sm);flex-shrink:0;transition:color var(--transition-fast),background-color var(--transition-fast),opacity var(--transition-fast),transform var(--transition-fast),border-color var(--transition-fast),box-shadow var(--transition-fast)}.notification-close:hover{background:var(--bg-hover);color:var(--text-primary)}@media (max-width:768px){.braincode-ide{border-radius:0}.ide-sidebar{width:60px;min-width:60px}.tree-name{display:none}.sidebar-title{font-size:var(--font-size-min, 12px)}.tab-bar{overflow-x:scroll}}body.light-theme ::-webkit-scrollbar-track{background:var(--primary-color)}body.light-theme ::-webkit-scrollbar-thumb{background:var(--elevation-mid);border-color:var(--primary-color)}body.light-theme ::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}.CodeMirror{block-size:100%!important;min-block-size:180px;font-family:var(--font-family, Arial, Helvetica, sans-serif)!important;font-size:var(--font-size-smaller)!important;line-height:1.6!important;color:var(--code-fg)!important;background:var(--surface-color)!important;border-radius:var(--border-radius);overflow:hidden!important;transition:background var(--animation-fast),color var(--animation-fast)}.CodeMirror:focus-within{outline:var(--focus-outline);outline-offset:2px}.CodeMirror-wrap pre{white-space:pre-wrap!important;word-break:break-word!important}.CodeMirror pre{padding-inline:var(--padding-small)!important}.CodeMirror-scroll{overflow-y:auto!important;overflow-x:hidden!important;padding-block-end:var(--padding-large)!important;background:0 0!important;scrollbar-width:thin;scrollbar-color:color-mix(in srgb,var(--text-secondary) 40%,transparent) transparent}.CodeMirror-scroll::-webkit-scrollbar{width:10px;height:10px}.CodeMirror-scroll::-webkit-scrollbar-thumb{background:color-mix(in srgb,var(--text-secondary) 40%,transparent);border-radius:10px}.CodeMirror-scroll::-webkit-scrollbar-track{background:0 0}.CodeMirror-gutters{background:color-mix(in srgb,var(--surface-color) 92%,var(--background-color) 8%)!important;color:var(--text-secondary)!important}.CodeMirror-linenumber{min-inline-size:2.2rem!important;padding-inline:4px!important;text-align:end!important;user-select:none!important;color:var(--text-secondary)!important}.CodeMirror-activeline-background{background:var(--code-linehl)!important}.CodeMirror-cursor{border-inline-start:2px solid var(--code-cursor)!important;z-index:10!important}.CodeMirror-selected{background:var(--code-selection)!important}.CodeMirror ::selection,.CodeMirror span::selection{background:var(--code-selection)!important}.cm-comment{color:var(--code-muted)!important;font-style:italic}.cm-keyword{color:var(--code-keyword)!important;font-weight:600}.cm-operator{color:var(--code-operator)!important}.cm-number{color:var(--code-number)!important}.cm-string{color:var(--code-string)!important}.cm-atom{color:var(--code-atom)!important}.cm-builtin{color:var(--code-builtin)!important}.cm-def,.cm-variable-2,.cm-variable-3{color:var(--code-fg)!important}.cm-property{color:var(--code-prop)!important}.cm-attribute,.cm-tag{color:var(--code-tag)!important}.cm-meta{color:var(--code-meta)!important}.cm-error{color:var(--code-error-fg)!important;background:var(--code-error-bg)!important}.CodeMirror-matchingbracket{outline:1px solid var(--code-bracket)!important;border-radius:2px}.CodeMirror-nonmatchingbracket{outline:1px solid var(--code-error-fg)!important}.CodeMirror-searching{background:color-mix(in srgb,var(--accent-color) 30%,transparent)!important;outline:1px dashed color-mix(in srgb,var(--accent-color) 55%,transparent)}.cm-searching-current{background:color-mix(in srgb,var(--accent-color) 42%,transparent)!important}.CodeMirror-lint-marker-error{color:var(--code-error-fg)!important}.CodeMirror-lint-marker-warning{color:var(--warning-color)!important}.CodeMirror-lint-tooltip{background:var(--surface-color)!important;color:var(--code-fg)!important;border-radius:calc(var(--border-radius) - 4px)}.CodeMirror-foldgutter{inline-size:1.15rem;cursor:pointer}.CodeMirror-foldgutter-open:after{content:"▾";color:var(--text-secondary)}.CodeMirror-foldgutter-folded:after{content:"▸";color:var(--text-secondary)}.CodeMirror-foldmarker{padding-inline:0.25rem;border-radius:6px;background:var(--code-linehl);color:var(--text-secondary)}.CodeMirror.CodeMirror-empty,.CodeMirror.CodeMirror-placeholder{color:var(--text-secondary)!important;font-style:italic!important}body.light-theme .CodeMirror{background:var(--surface-color);color:var(--text-color)}body.light-theme .CodeMirror-gutters{background:var(--primary-color);border-right-color:var(--border-color)}body.light-theme .CodeMirror-linenumber{color:var(--text-muted)}.footer-bgi{--_glass-bg:color-mix(in srgb, var(--footer-background) 88%, transparent);--_pad-y:clamp(var(--padding-base), 4vw, var(--padding-large));--_pad-x:clamp(var(--padding-base), 5vw, var(--padding-large));inline-size:100%;margin-block-start:var(--margin-top);padding:var(--_pad-y) var(--_pad-x);box-sizing:border-box;background:var(--_glass-bg);color:var(--text-color);text-align:center;text-wrap:balance;font-family:var(--font-family);font-size:var(--font-size-small);-webkit-backdrop-filter:saturate(1.08) blur(8px);backdrop-filter:saturate(1.08) blur(8px);transition:background var(--animation-fast),color var(--animation-fast)}.footer-bgi::before{content:"";display:block;inline-size:100%;block-size:1px;margin-block-end:var(--padding-base);background:linear-gradient(90deg,transparent,color-mix(in srgb,var(--accent-color) 35%,transparent) 20%,color-mix(in srgb,var(--accent-color) 35%,transparent) 80%,transparent);opacity:.6}.footer-container{display:flex;flex-direction:column;align-items:center;gap:var(--padding-small);inline-size:100%;max-inline-size:1200px;margin-inline:auto;box-sizing:border-box}.footer-text{max-inline-size:70ch;margin:0 auto;font-size:var(--font-size-small);line-height:1.65;color:var(--text-secondary);text-wrap:pretty}.footer-links{display:flex;flex-wrap:wrap;justify-content:center;gap:var(--padding-small);margin:var(--padding-small) 0 0;padding:0;list-style:none}.footer-links li{display:inline-block}.footer-links a{position:relative;display:inline-block;padding:.45rem .85rem;font-size:var(--font-size-small);color:var(--link-color);text-decoration:none;border-radius:calc(var(--border-radius) - 4px);background:0 0;transition:background var(--animation-fast),color var(--animation-fast),transform var(--animation-fast)}.footer-links a::after{content:"";position:absolute;inset-inline:0.85rem;inset-block-end:0.35rem;block-size:2px;border-radius:2px;background:color-mix(in srgb,var(--link-color) 65%,transparent);transform:scaleX(0);transform-origin:left center;transition:transform .18s ease}.footer-links a:hover{background:var(--highlight-soft);color:var(--link-hover-color);transform:translateY(-1px)}.footer-links a:hover::after{transform:scaleX(1)}.footer-links a:active{transform:scale(.98)}.footer-links a:focus-visible{outline:var(--focus-outline);outline-offset:2px}@media (max-width:768px){.footer-bgi{font-size:var(--font-size-smaller);padding:var(--padding-base)}.footer-links{flex-direction:column;align-items:center;gap:6px}.footer-links a{inline-size:100%;text-align:center;padding:.65rem 1rem}}#footerBGI{margin-top:var(--space-8)}.brainchat-modal-overlay{position:fixed;inset:0;display:none;align-items:center;justify-content:center;background:var(--overlay-color);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:var(--z-brainchat-modal,10000);transition:opacity var(--transition-duration)}.brainchat-modal-visible{display:flex!important}.brainchat-modal-box{inline-size:min(420px,90vw);padding:var(--padding-large);background:var(--surface-color);color:var(--text-color);border-radius:var(--border-radius);box-shadow:var(--elevation-shadow);font-family:var(--font-family);animation:brainchat-fadeIn .25s ease-out}.brainchat-modal-title{margin:0 0 var(--padding-base);font-size:var(--font-size-large);font-weight:600;color:var(--heading-color)}.brainchat-modal-input{inline-size:100%;margin:0 0 var(--padding-base);padding:.6rem .7rem;font:500 var(--font-size-normal)/1.3 var(--font-family);color:var(--text-color);background:var(--input-background);border:1px solid var(--input-border);border-radius:var(--border-radius);box-sizing:border-box;transition:border-color var(--transition-duration),background-color var(--transition-duration)}.brainchat-modal-input:focus{outline:var(--focus-outline);border-color:var(--accent-color)}.brainchat-modal-content{margin:0 0 var(--padding-base);color:var(--text-color);font-size:var(--font-size-normal)}.brainchat-modal-actions{display:flex;justify-content:flex-end;gap:var(--padding-small);margin-top:var(--padding-small)}.brainchat-modal-actions button{padding:.5rem 1rem;font-size:var(--font-size-normal);font-weight:600;background:var(--accent-color);color:var(--text-on-primary);border:0;border-radius:var(--border-radius);cursor:pointer;transition:background var(--transition-duration),transform var(--animation-fast),box-shadow var(--transition-duration)}.brainchat-modal-actions button:hover{background:var(--accent-color-hover);box-shadow:var(--hover-shadow);transform:translateY(-1px)}.brainchat-modal-actions button:focus-visible{outline:var(--focus-outline);outline-offset:2px}.brainchat-modal-cancel{background:var(--surface-subtle);color:var(--text-secondary)}.brainchat-modal-cancel:hover{background:var(--surface-elevated);color:var(--text-color)}@media (max-width:480px){.brainchat-modal-box{padding:var(--padding-base);font-size:var(--font-size-small)}.brainchat-modal-actions{flex-direction:column;align-items:stretch}.brainchat-modal-actions button{inline-size:100%;text-align:center}}.notification-message{font:700 0.95rem/1 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var(--border-subtle);border-radius:var(--radius-large);text-decoration:none;color:inherit;min-inline-size:0;transition:border-color var(--animation-fast),box-shadow var(--animation-fast),transform var(--animation-fast),background var(--animation-fast)}.ix-module:hover{color:inherit;transform:translateY(calc(var(--space-1)/ -4));border-color:color-mix(in oklab,var(--ix-m) 45%,transparent);background:color-mix(in oklab,var(--ix-m) 6%,var(--surface-elevated));box-shadow:var(--hover-shadow)}.ix-module:focus-visible{outline:var(--focus-outline);outline-offset:2px}.ix-module__icon{inline-size:var(--space-5);block-size:var(--space-5);display:grid;place-items:center;border-radius:var(--radius-medium);background:color-mix(in oklab,var(--ix-m) 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var(--space-1);border-radius:var(--radius-full);background:color-mix(in oklab,var(--ix-c) 14%,transparent);color:color-mix(in oklab,var(--ix-c) 80%,var(--text-color));border:1px solid color-mix(in oklab,var(--ix-c) 24%,transparent);font-size:var(--font-size-smaller);font-weight:700;line-height:1.6;white-space:nowrap}.ix-badge--accent{--ix-c:var(--accent-color-strong)}.ix-badge--success{--ix-c:var(--success-color)}.ix-badge--warning{--ix-c:var(--warning-color)}.ix-badge--danger{--ix-c:var(--error-color)}.ix-badge--info{--ix-c:var(--update-color)}.ix-badge--neutral{--ix-c:var(--text-muted)}.ix-badge--dot::before{content:"";inline-size:calc(var(--space-1)/ 2);block-size:calc(var(--space-1)/ 2);border-radius:var(--radius-full);background:currentColor}.ix-chipbar{display:flex;flex-wrap:wrap;gap:var(--space-1)}.ix-chip{min-height:var(--space-4);padding:var(--space-0) var(--space-2);background:var(--surface-subtle);color:var(--text-secondary);border:1px solid var(--border-subtle);border-radius:var(--radius-full);font-size:var(--font-size-smaller);font-weight:600;cursor:pointer}.ix-chip:hover{background:var(--nav-hover-bg);color:var(--heading-color);border-color:var(--border-color);box-shadow:none}.ix-chip:focus-visible{outline:var(--focus-outline);outline-offset:2px}.ix-chip[aria-pressed=true],.ix-chip[aria-selected=true]{background:var(--accent-soft);color:var(--accent-color-strong);border-color:color-mix(in oklab,var(--accent-color) 35%,transparent)}.ix-hero{--ix-m:var(--accent-color);display:grid;gap:var(--space-3);padding:var(--space-4) var(--space-3);border:1px solid var(--border-subtle);border-radius:var(--radius-large);background:radial-gradient(120% 140% at 0 0,color-mix(in oklab,var(--ix-m) 18%,transparent) 0,transparent 62%),var(--surface-elevated);margin-block-end:var(--space-4)}.ix-hero__title{margin:0;font-size:clamp(var(--font-size-large), 1rem + 3vw, 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