@import"https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500;600&family=IBM+Plex+Sans:wght@400;500&display=swap&subset=cyrillic";.lab-page{max-width:1400px;margin:0 auto;padding:46px 24px 72px;color:var(--text, var(--site-ink-fixed))}.lab-page__heading{display:flex;justify-content:space-between;align-items:center;gap:24px;margin-bottom:28px}.lab-page h1{font-family:IBM Plex Mono,monospace;font-size:30px;line-height:1.3;font-weight:500;margin:10px 0 14px}.lab-page__intro,.lab-note{color:var(--text-muted, var(--site-sandbox-muted));font-size:14px;line-height:1.65}.lab-connection{border:1px solid var(--border, var(--site-control-border));padding:14px 18px;font-size:13px;display:flex;align-items:center;gap:18px;flex-wrap:wrap;margin-bottom:24px}.lab-connection p{flex-basis:100%;margin:0;color:var(--text-muted, var(--site-sandbox-muted));line-height:1.6}.lab-connection[data-connected=false]>span{color:var(--warning, var(--site-warning-fixed))}.lab-connection[data-connected=true]>span{color:var(--accent, var(--site-accent-fixed))}.lab-grid{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:24px;align-items:start}.lab-editor,.lab-output{border:1px solid var(--border, var(--site-control-border));background:var(--surface, var(--site-surface-deep));min-width:0}.lab-tabs{display:flex;flex-wrap:wrap;gap:4px;border-bottom:1px solid var(--border, var(--site-control-border));padding:10px}.lab-tabs button{border:0;background:transparent;color:var(--text-muted, var(--site-sandbox-muted));font:12px IBM Plex Mono,monospace;padding:8px 12px;cursor:pointer}.lab-tabs button[aria-pressed=true]{color:var(--accent, var(--site-accent-fixed));box-shadow:inset 0 -1px currentcolor}#sandbox-source{display:block;width:100%;min-height:360px;resize:vertical;border:0;border-radius:0;background:transparent;color:var(--text, var(--site-ink-fixed));font:13px/1.85 IBM Plex 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Mono,monospace;white-space:pre-wrap;overflow-wrap:anywhere;padding:18px;margin:0;max-height:420px;overflow:auto}.lab-empty{font:12px/1.7 IBM Plex Mono,monospace;padding:18px;color:var(--text-muted, var(--site-sandbox-muted));margin:0}.lab-meta{display:grid;grid-template-columns:1fr auto;gap:14px;padding:16px;border:1px solid var(--border, var(--site-control-border));font:12px IBM Plex Mono,monospace;margin:0}.lab-meta dt{color:var(--text-muted, var(--site-sandbox-muted))}.lab-meta dd{margin:0}.lab-error{color:var(--site-danger-fixed);border:1px solid var(--site-sandbox-error-border);padding:16px;overflow-wrap:anywhere;font-size:14px}@media (width <= 900px){.lab-grid{grid-template-columns:minmax(0,1fr)}}@media (width <= 640px){.lab-page{padding:28px 16px 44px}.lab-page__heading{display:block}.lab-page h1{font-size:24px}.lab-page__heading>.button{margin-top:10px}.lab-tabs button{padding:8px}.lab-actions{padding:14px}.lab-actions .button{max-width:100%;white-space:normal}}.lab-connection .link-btn{background:transparent;border:0;padding:4px;color:var(--accent, var(--site-accent-fixed));font:12px/1.6 IBM Plex Mono,monospace;text-decoration:underline;text-underline-offset:4px;cursor:pointer}.lab-connection .link-btn:disabled{opacity:.5;cursor:default}.operator-panel{border:1px solid var(--line-primary);border-radius:var(--radius-md);background:var(--panel-bg);overflow:hidden}.operator-panel-header{display:flex;align-items:center;justify-content:space-between;padding:11px 16px;border-bottom:1px solid var(--line-primary);font:500 10px/1 var(--font-mono);letter-spacing:var(--ls-ultra);color:var(--ink-muted)}.operator-panel-content{padding:24px 26px 28px}.operator-panel-footer{display:flex;justify-content:space-between;align-items:center;padding:10px 16px;border-top:1px solid var(--line-primary);font:500 10px/1 var(--font-mono);letter-spacing:var(--ls-normal);color:var(--ink-faint)}.operator-btn-primary{display:inline-flex;align-items:center;gap:10px;padding:12px 20px;background:var(--acc-darker);border:1px solid var(--acc-primary);border-radius:var(--radius-md);color:var(--acc-primary);font:500 11px/1 var(--font-mono);letter-spacing:var(--ls-wider);text-transform:uppercase;cursor:pointer;transition:background .12s,animation .3s}.operator-btn-primary:hover{background:var(--acc-bg-glow);animation:glitch var(--anim-glitch) var(--ease-glitch) 2}.operator-btn-secondary{display:inline-flex;align-items:center;gap:10px;padding:12px 20px;background:transparent;border:1px solid var(--line-modal);border-radius:var(--radius-md);color:var(--ink-secondary);font:500 11px/1 var(--font-mono);letter-spacing:var(--ls-wider);text-transform:uppercase;cursor:pointer}.operator-btn-secondary:hover{border-color:#3a4f47;background:#0c120f;animation:glitch var(--anim-glitch) var(--ease-glitch) 2}.operator-btn-link{display:inline-flex;align-items:center;gap:8px;padding:12px 6px;background:none;border:0;color:var(--info-primary);font:400 11px/1 var(--font-mono);letter-spacing:var(--ls-wide);cursor:pointer}.operator-btn-link:hover{color:var(--info-hover)}.operator-codeblock{display:flex;background:var(--bg-code);border:1px solid var(--line-secondary);border-radius:var(--radius-md);font-family:var(--font-mono);font-size:var(--text-code);line-height:var(--lh-code);overflow-x:auto}.operator-codeblock-gutter{padding:12px 0;width:42px;text-align:right;color:var(--ink-faded);border-right:1px solid var(--line-subtle)}.operator-codeblock-gutter div{padding-right:10px}.operator-codeblock-content{padding:12px 16px;overflow-x:auto}.operator-codeblock-line{white-space:pre;color:var(--ink-tertiary)}.operator-codeblock-line-hl{white-space:pre;color:var(--acc-primary);background:#08130d;border-left:2px solid var(--acc-primary);margin-left:-2px;padding-left:14px}.operator-input{display:inline-flex;align-items:center;gap:8px}.operator-input-prompt{font-family:var(--font-mono);font-size:12px;letter-spacing:var(--ls-normal);color:var(--ink-muted)}.operator-input-field{padding:10px 12px;background:var(--bg-code);border:1px solid var(--line-modal);border-radius:var(--radius-md);color:var(--acc-primary);font-size:13px;font-family:var(--font-mono);letter-spacing:var(--ls-relaxed)}.operator-input-field:focus{outline:1px solid var(--info-primary);outline-offset:1px}.operator-option{display:flex;align-items:flex-start;gap:12px;padding:14px 16px;background:var(--panel-bg);border:1px solid var(--line-primary);border-radius:var(--radius-md);cursor:pointer;transition:background .1s,border-color .1s}.operator-option:hover{border-color:var(--acc-primary)}.operator-option.selected{background:#0a130e;border-color:var(--acc-primary)}.operator-option.selected.fail{background:#100a0a;border-color:var(--fail-primary)}.operator-option-key{width:22px;flex:none;font-family:var(--font-mono);font-size:11px;letter-spacing:var(--ls-normal);color:var(--ink-muted)}.operator-option.selected .operator-option-key{color:var(--acc-primary)}.operator-option.selected.fail .operator-option-key{color:var(--fail-primary)}.operator-option-text{flex:1;text-align:left;font-size:14px;line-height:1.5;color:var(--ink-medium)}.operator-option.selected .operator-option-text{color:var(--ink-primary)}.operator-option-mark{font-family:var(--font-mono);font-size:10px;letter-spacing:var(--ls-wide);color:transparent}.operator-option.selected .operator-option-mark{color:var(--acc-primary)}.operator-option.selected.fail .operator-option-mark{color:var(--fail-primary)}.operator-option.disabled{cursor:not-allowed;opacity:.45}.operator-option.disabled:hover{border-color:var(--line-primary)}.operator-feedback{margin-top:22px;border:1px solid var(--line-primary);border-radius:var(--radius-md);background:var(--bg-secondary)}.operator-feedback.pass{border-color:var(--status-complete-border)}.operator-feedback.fail{border-color:#3a2222}.operator-feedback-header{display:flex;justify-content:space-between;padding:11px 16px;border-bottom:1px solid var(--line-secondary);font:500 10.5px/1 var(--font-mono);letter-spacing:var(--ls-wider)}.operator-feedback.pass .operator-feedback-header{color:var(--acc-primary)}.operator-feedback.fail .operator-feedback-header{color:var(--fail-primary)}.operator-feedback-body{padding:16px}.operator-feedback-text{margin:0 0 12px;font-size:14px;line-height:1.6;color:var(--ink-medium);text-wrap:pretty}.operator-feedback-line{font-family:var(--font-mono);font-size:12px}.operator-feedback.pass .operator-feedback-line{color:var(--acc-primary)}.operator-feedback.fail .operator-feedback-line{color:var(--fail-primary)}.operator-badge{display:inline-flex;align-items:center;gap:6px;padding:6px 10px;border-radius:var(--radius-sm);font:500 9px/1 var(--font-mono);letter-spacing:var(--ls-wide);text-transform:uppercase}.operator-badge.complete{background:var(--status-complete-bg);border:1px solid var(--status-complete-border);color:var(--status-complete-state)}.operator-badge.active{background:var(--status-active-bg);border:1px solid var(--status-active-border);color:var(--status-active-state);box-shadow:var(--status-active-glow)}.operator-badge.available{background:var(--status-avail-bg);border:1px solid var(--status-avail-border);color:var(--status-avail-state)}.operator-badge.locked{background:var(--status-locked-bg);border:1px solid var(--status-locked-border);color:var(--status-locked-state)}.operator-badge-session{background:transparent;border:1px solid var(--line-modal);color:var(--info-primary)}.operator-badge.fail{background:#100a0a;border:1px solid #3a2222;color:var(--fail-primary)}.operator-badge.new{background:var(--warn-bg);border:1px solid var(--warn-dark);color:var(--warn-primary)}.operator-mode-switch{display:inline-flex;padding:3px;background:var(--bg-code);border:1px solid var(--line-primary);border-radius:var(--radius-md)}.operator-mode-tab{padding:8px 16px;background:transparent;border:0;border-radius:var(--radius-sm);color:var(--ink-faded);font:500 10px/1 var(--font-mono);letter-spacing:var(--ls-wider);text-transform:uppercase;cursor:pointer;transition:color .1s,background .1s}.operator-mode-tab:hover{color:var(--ink-secondary)}.operator-mode-tab.is-on{background:var(--acc-darker);border:1px solid var(--acc-primary);color:var(--acc-primary)}:root{--bg-dark: #070a09;--bg-secondary: #080c0a;--bg-code: #05100c;--panel-bg: #0b100e;--panel-bg-alt: #0a0f0d;--panel-bg-dark: #0a100d;--panel-bg-light: #0c1712;--line-primary: #1a2521;--line-secondary: #16201c;--line-subtle: #101915;--line-faint: #0f1714;--line-modal: #24352f;--acc-primary: #72f2b0;--acc-bright: #4cff9b;--acc-dim: #2aae68;--acc-medium: #4e8e72;--acc-dark: #1f6b45;--acc-darker: #0f1a15;--acc-bg-glow: #13241c;--info-primary: #68bde7;--info-hover: #9ad5f2;--info-bright: #b6ffd8;--warn-primary: #e8b45b;--warn-text: #c9b384;--warn-dark: #c9a05b;--warn-bg: #100e08;--fail-primary: #f47777;--fail-bright: #ff6b6b;--ink-primary: #dde8e3;--ink-secondary: #c7d4ce;--ink-tertiary: #b9e9ce;--ink-medium: #a9b7b1;--ink-dim: #93a29c;--ink-faint: #8fa69c;--ink-subtle: #7c8b85;--ink-muted: #7a8a83;--ink-faded: #6e7e77;--ink-ghost: #52625b;--term-bg-pipboy: #04120a;--term-glow-bright: #4cff9b;--term-glow-medium: #2aae68;--term-glow-dim: #1f7a4b;--term-glow-border: #1f6b45;--term-matrix-glow: #0f8;--term-matrix-mid: #00cc6e;--term-matrix-dim: #0e8a4e;--term-matrix-dark: #0a6b3d;--term-tty-active: #72f2b0;--term-tty-ready: #9fd9f5;--term-tty-border: #2c4a3c;--term-tty-dark: #2c332b;--status-complete-bg: #0a100d;--status-complete-border: #2c4a3c;--status-complete-tag: #4e8e72;--status-complete-text: #8fa69c;--status-complete-state: #4e8e72;--status-active-bg: #0c1712;--status-active-border: #72f2b0;--status-active-tag: #72f2b0;--status-active-text: #dde8e3;--status-active-state: #72f2b0;--status-active-glow: rgb(114 242 176 / 18%);--status-avail-bg: #0b100e;--status-avail-border: #24352f;--status-avail-tag: #93a29c;--status-avail-text: #c7d4ce;--status-avail-state: #68bde7;--status-locked-bg: #080c0a;--status-locked-border: #16201c;--status-locked-tag: #6e7e77;--status-locked-text: #7a8a83;--status-locked-state: #6e7e77;--shadow-card: 0 1px 3px rgb(0 0 0 / 14%);--shadow-modal: 0 24px 80px rgb(0 0 0 / 60%);--shadow-terminal: 0 -20px 70px rgb(0 0 0 / 80%);--glow-primary: 0 0 22px rgb(114 242 176 / 18%);--glow-text: 0 0 24px rgb(114 242 176 / 28%);--glow-bright: 0 0 12px rgb(114 242 176 / 40%);--glow-subtle: 0 0 14px rgb(114 242 176 / 60%);--glow-term: 0 0 50px rgb(114 242 176 / 9%);--glow-active: 0 0 8px rgb(114 242 176 / 80%);--font-mono: "IBM Plex Mono", ui-monospace, "SF Mono", "SFMono-Regular", menlo, consolas, "Liberation Mono", monospace;--font-sans: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;--text-h1: 44px;--text-h2: 26px;--text-h3: 21px;--text-body-lg: 15px;--text-body: 14px;--text-body-sm: 13.5px;--text-code: 12.5px;--text-label: 11.5px;--text-label-sm: 11px;--text-caption: 10.5px;--text-caption-sm: 10px;--text-micro: 9.5px;--lh-tight: 1.08;--lh-normal: 1.55;--lh-relaxed: 1.65;--lh-loose: 1.7;--lh-code: 21px;--ls-tight: -.01em;--ls-normal: .02em;--ls-relaxed: .06em;--ls-loose: .1em;--ls-wide: .14em;--ls-wider: .18em;--ls-widest: .22em;--ls-ultra: .28em;--header-height: 46px;--terminal-height: 340px;--module-card-w: 108px;--module-card-h: 64px;--sidebar-w: 260px;--modal-max-w: 720px;--contour-w: 440px;--radius-sm: 2px;--radius-md: 3px;--radius-lg: 4px;--radius-xl: 10px;--gap-xs: 4px;--gap-sm: 8px;--gap-md: 12px;--gap-lg: 18px;--gap-xl: 24px;--z-base: 1;--z-crt-grid: 59;--z-crt-vignette: 60;--z-crt-scanlines: 61;--z-header: 40;--z-modal: 70;--z-terminal: 81;--z-terminal-btn: 80;--anim-glitch: .3s;--anim-blink: 1s;--anim-sweep: 9s;--anim-flick: 7s;--anim-rain: 7s;--ease-glitch: steps(2);--ease-blink: steps(1);--ease-sweep: linear;--ease-rain: linear}@media (prefers-reduced-motion: reduce){:root{--anim-glitch: 0s;--anim-blink: 0s;--anim-sweep: 0s;--anim-flick: 0s;--anim-rain: 0s}*{animation-duration:.01s!important;animation-iteration-count:1!important;transition-duration:.01s!important}}.crt-scanlines{position:fixed;inset:0;z-index:var(--z-crt-scanlines);pointer-events:none;background-image:repeating-linear-gradient(180deg,rgb(0 0 0 / 22%) 0 1px,transparent 1px 3px);box-shadow:inset 0 0 120px 6px #00000073,inset 0 0 50px #72f2b00b}.crt-vignette{position:fixed;inset:0;z-index:var(--z-crt-vignette);pointer-events:none;background-image:radial-gradient(125% 95% at 50% 45%,transparent 64%,rgb(0 0 0 / 50%) 100%)}.crt-sweep{position:fixed;left:0;right:0;top:0;height:220px;z-index:58;pointer-events:none;animation:sweep var(--anim-sweep) var(--ease-sweep) infinite;background:linear-gradient(180deg,transparent,rgb(114 242 176 / 5.5%),rgb(114 242 176 / 2%),transparent)}.crt-grid{position:fixed;inset:0;z-index:var(--z-crt-grid);pointer-events:none;animation:flick var(--anim-flick) var(--ease-blink) infinite;background-image:linear-gradient(90deg,rgb(114 242 176 / 5%) 1px,transparent 1px),linear-gradient(180deg,rgb(114 242 176 / 5%) 1px,transparent 1px);background-size:7px 7px;mix-blend-mode:screen}@keyframes sweep{0%{transform:translateY(-240px)}to{transform:translateY(105vh)}}@keyframes flick{0%,93%{opacity:.5}94%{opacity:.3}96%{opacity:.66}97%{opacity:.38}to{opacity:.5}}.btn-primary{display:inline-flex;align-items:center;gap:10px;padding:12px 20px;background:var(--acc-darker);border:1px solid var(--acc-primary);border-radius:var(--radius-md);color:var(--acc-primary);font:500 11px/1 var(--font-mono);letter-spacing:var(--ls-wider);text-transform:uppercase;cursor:pointer;transition:background .12s,animation .3s}.btn-primary:hover{background:var(--acc-bg-glow);animation:glitch var(--anim-glitch) var(--ease-glitch) 2}.btn-secondary{display:inline-flex;align-items:center;gap:10px;padding:12px 20px;background:transparent;border:1px solid var(--line-modal);border-radius:var(--radius-md);color:var(--ink-secondary);font:500 11px/1 var(--font-mono);letter-spacing:var(--ls-wider);text-transform:uppercase;cursor:pointer}.btn-secondary:hover{border-color:#3a4f47;background:#0c120f;animation:glitch var(--anim-glitch) var(--ease-glitch) 2}.btn-link{display:inline-flex;align-items:center;gap:8px;padding:12px 6px;background:none;border:0;color:var(--info-primary);font:400 11px/1 var(--font-mono);letter-spacing:var(--ls-wide);cursor:pointer}.btn-link:hover{color:var(--info-hover)}.mono{font-family:var(--font-mono)}.sans{font-family:var(--font-sans)}.uppercase{text-transform:uppercase}.glow-text{text-shadow:var(--glow-text)}.glow-box{box-shadow:var(--glow-primary)}.cursor-blink{animation:blink var(--anim-blink) var(--ease-blink) infinite}@keyframes blink{0%,49%{opacity:1}50%,to{opacity:.15}}@keyframes glitch{0%{transform:translate(0);text-shadow:none}20%{transform:translate(-1.5px,1px);text-shadow:2px 0 var(--fail-primary),-2px 0 var(--info-primary)}40%{transform:translate(1.5px,-1px);text-shadow:-2px 0 var(--fail-primary),2px 0 var(--info-primary)}60%{transform:translate(-1px);text-shadow:1px 0 var(--acc-primary),-2px 0 var(--info-primary)}80%{transform:translate(1px,1px);text-shadow:-1px 0 var(--fail-primary),2px 0 var(--acc-primary)}to{transform:translate(0);text-shadow:none}}:focus-visible{outline:1px solid var(--info-primary);outline-offset:2px}button:focus-visible,input:focus-visible,textarea:focus-visible{outline:1px solid var(--info-primary);outline-offset:2px}@media print{@page{margin:.5cm}figure,table{break-inside:avoid}#dc-root,#dc-root>.sc-host{height:auto}*,*:before,*:after{print-color-adjust:exact;-webkit-print-color-adjust:exact;backdrop-filter:none!important;animation-delay:-99s!important;animation-duration:1ms!important;animation-iteration-count:1!important;animation-fill-mode:both!important;animation-play-state:running!important;transition-duration:0s!important}}.tty-panel{position:relative;padding:30px 34px;background:#050705;font-family:var(--font-mono);font-size:13.5px;line-height:22px;white-space:pre;overflow:hidden}.tty-panel:before{content:"";position:absolute;inset:0;pointer-events:none;background-image:repeating-linear-gradient(180deg,rgb(0 0 0 / 30%) 0 1px,transparent 1px 3px)}.tty-panel-content{position:relative}.tty-border-top,.tty-border-row,.tty-border-bottom{color:var(--term-tty-border)}.tty-header{color:var(--acc-primary)}.tty-row-complete{color:var(--status-complete-state)}.tty-row-active{color:var(--status-active-state)}.tty-row-ready{color:var(--info-primary)}.tty-row-locked{color:var(--ink-muted)}.tty-btn{display:inline;background:none;border:0;color:var(--acc-primary);font:inherit;cursor:pointer;text-decoration:none}.tty-btn:hover{color:var(--info-hover)}.tty-btn-secondary{color:var(--ink-dim)}.tty-btn-secondary:hover{color:var(--ink-secondary)}.tty-codeblock{font-family:var(--font-mono);font-size:13.5px;line-height:22px;white-space:pre;color:var(--ink-tertiary)}.tty-codeblock-prefix{color:var(--ink-faded)}.tty-codeblock-line-hl{color:var(--acc-primary);background:#08130d}.tty-codeblock-line-hl:before{content:"> 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