.brand-logo{display:inline-flex;flex:0 0 auto;align-items:center;padding:4px;vertical-align:middle}.brand-logo img{display:block;object-fit:contain;max-width:100%}.brand-logo--lockup{width:200px}.brand-logo--lockup img{width:192px;height:32px}.brand-logo--icon{width:48px}.brand-logo--icon img{width:40px;height:40px}.brand-logo .brand-logo__light-artwork,[data-theme=dark] .brand-logo .brand-logo__dark-artwork{display:none}[data-theme=dark] .brand-logo .brand-logo__light-artwork{display:block}.theme-toggle{display:inline-flex;flex-shrink:0;align-items:center;justify-content:center;width:var(--vs-size-control-md);height:var(--vs-size-control-md);min-width:var(--vs-size-control-md);min-height:var(--vs-size-control-md);padding:0;border:1px solid var(--vs-color-border-control);border-radius:var(--vs-radius-control);color:var(--vs-color-text-primary);background:var(--vs-color-surface-primary)}.theme-toggle:hover{color:var(--vs-color-accent-action);border-color:var(--vs-color-accent-action);background:var(--vs-color-surface-selected)}@media(max-width:600px){.theme-toggle{width:var(--vs-size-control-lg);height:var(--vs-size-control-lg);min-width:var(--vs-size-control-lg);min-height:var(--vs-size-control-lg)}}.app-layout{min-height:100vh;display:flex;flex-direction:column;color:var(--vs-color-text-primary);background:var(--vs-color-background-canvas)}.app-skip{position:fixed;z-index:100;top:12px;left:12px;padding:12px 20px;color:var(--vs-color-text-on-accent);background:var(--vs-color-accent-action);border-radius:var(--vs-radius-control);transform:translateY(-200%)}.app-skip:focus{transform:translateY(0)}.app-header{background:var(--vs-color-surface-primary);border-bottom:1px solid var(--vs-color-border-subtle)}.app-brand-bar,.header-content{display:flex;align-items:center;justify-content:space-between;gap:var(--vs-space-6);max-width:1450px;margin:0 auto;padding:var(--vs-space-4) clamp(20px,4vw,48px)}.app-brand-bar{min-height:80px}.app-home-link{display:inline-flex;align-items:center;min-height:48px}.app-header-tools{display:flex;align-items:center;gap:var(--vs-space-6)}.app-header-tools>a{display:inline-flex;align-items:center;min-height:42px;font-size:13px;color:var(--vs-color-text-secondary)}.header-content{align-items:flex-start;padding-top:var(--vs-space-8);padding-bottom:var(--vs-space-8);border-top:1px solid var(--vs-color-border-subtle)}.app-system-label{margin:0 0 var(--vs-space-3);color:var(--vs-color-accent-action);font:500 var(--vs-font-size-xs) / 1.4 var(--vs-font-mono);letter-spacing:.12em;text-transform:uppercase}.app-title{margin:0;color:var(--vs-color-text-primary);font-size:clamp(28px,4vw,44px);font-weight:650;letter-spacing:-.04em}.app-subtitle{max-width:760px;margin:10px 0 0;color:var(--vs-color-text-secondary);font:400 13px/1.65 var(--vs-font-mono)}.app-readiness{display:grid;grid-template-columns:auto 1fr;gap:4px 12px;align-items:center;min-width:220px;margin-top:8px;padding:12px 16px;border:1px solid var(--vs-color-border-subtle);border-radius:var(--vs-radius-card);background:var(--vs-color-background-canvas);font-family:var(--vs-font-mono)}.readiness-lamp{grid-row:1 / 3;width:8px;height:8px;border-radius:50%;background:var(--vs-color-accent-graphic)}.app-readiness strong{color:var(--vs-color-text-primary);font-size:var(--vs-font-size-xs);font-weight:650;letter-spacing:.04em}.app-readiness small{color:var(--vs-color-text-secondary);font-size:var(--vs-font-size-xs)}.app-lab-nav{display:flex;gap:var(--vs-space-1);max-width:1450px;margin:auto;padding:0 clamp(20px,4vw,48px);overflow-x:auto}.app-lab-nav a{min-height:48px;display:inline-flex;align-items:center;justify-content:center;padding:12px 20px;border-bottom:3px solid transparent;color:var(--vs-color-text-secondary);font:500 var(--vs-font-size-xs) / 1.4 var(--vs-font-mono);letter-spacing:.06em;white-space:nowrap}.app-lab-nav a:hover{color:var(--vs-color-text-primary);background:var(--vs-color-surface-selected);text-decoration:none}.app-lab-nav a[aria-current=page]{color:var(--vs-color-text-primary);border-bottom-color:var(--vs-color-accent-action);background:var(--vs-color-surface-selected)}.app-lab-nav a:focus-visible{outline-offset:-3px}.app-main{flex:1;min-width:0}.app-footer{background:var(--vs-color-surface-primary);color:var(--vs-color-text-secondary);padding:24px;border-top:1px solid var(--vs-color-border-subtle);text-align:center}.app-footer p{margin:0;font:400 var(--vs-font-size-xs) / 1.8 var(--vs-font-mono);letter-spacing:.03em}.app-footer a{color:var(--vs-color-text-link);text-decoration:underline;text-underline-offset:3px}@media(max-width:768px){.app-brand-bar,.app-header-tools{gap:12px}.app-header-tools>a{font-size:12px}.header-content{flex-direction:column;gap:16px;padding-top:24px;padding-bottom:24px}.app-readiness{margin:0;min-width:0}.app-lab-nav{gap:0;padding:0 12px}.app-lab-nav a{padding-inline:14px}}@media(max-width:420px){.app-header-tools>a{max-width:50px;line-height:1.3}.app-brand-bar .brand-logo--lockup{width:170px}.app-brand-bar .brand-logo--lockup img{width:162px;height:27px}}.pattern-display{width:100%;height:100%;display:flex;justify-content:center;align-items:center;background-color:#fff;overflow:hidden}.optical-frame{position:relative;flex:0 1 auto;width:min(100%,100vh);aspect-ratio:1;background:#fff}.pattern-matrix{position:absolute;inset:10%}.pattern-matrix svg{width:100%;height:100%;object-fit:contain}.pattern-fiducial{position:absolute;z-index:2;width:6%;aspect-ratio:1;border:1px solid rgba(255,255,255,.9);border-radius:12%;box-shadow:0 0 0 1px #00000014}.pattern-fiducial--tl{top:2%;left:2%;background:#ff2d2d}.pattern-fiducial--tr{top:2%;right:2%;background:#24d65f}.pattern-fiducial--bl{bottom:2%;left:2%;background:#1478ff}.pattern-fiducial--br{right:2%;bottom:2%;background:#f02de0}.pattern-display--fullscreen{position:fixed;inset:0;z-index:1000}.pattern-display--animating{transition:opacity .1s ease-in-out}.transmitter-controls{display:grid;grid-template-columns:minmax(260px,.72fr) minmax(0,1.28fr);border:1px solid var(--vs-color-border-subtle);background:var(--vs-color-surface-primary);border-radius:var(--vs-radius-card)}.transmitter-controls .transmitter-control-section{padding:1.25rem}.transmitter-controls .transmitter-control-section+.transmitter-control-section{border-left:1px solid var(--vs-color-border-default)}.transmitter-controls .instrument-section-heading{margin-bottom:1rem}.transmitter-controls .instrument-section-heading span{display:block;color:var(--vs-color-text-link);font:650 .75rem/1.2 var(--vs-font-mono);letter-spacing:.1em;text-transform:uppercase}.transmitter-controls .instrument-section-heading h3{margin:.25rem 0 0;color:var(--vs-color-text-primary);font-size:1.125rem;text-transform:none}.transmitter-controls .button-group{display:flex;gap:.65rem;flex-wrap:wrap}.transmitter-controls .btn{padding:.75rem 1rem;border:1px solid var(--vs-color-border-control);border-radius:var(--vs-radius-control);font:650 .75rem/1.2 var(--vs-font-mono);letter-spacing:.04em;cursor:pointer;transition:color var(--vs-motion-fast),background var(--vs-motion-fast);min-height:var(--vs-size-control-md);font-family:var(--vs-font-sans);font-weight:600}.transmitter-controls .btn:disabled{opacity:.42;cursor:not-allowed}.transmitter-controls .btn-primary{width:100%;min-height:62px;color:var(--vs-color-text-on-accent);background:var(--vs-color-accent-action);border-color:var(--vs-color-accent-action)}.transmitter-controls .btn-primary:hover:not(:disabled){color:var(--vs-color-text-on-accent);background:var(--vs-color-accent-hover)}.transmitter-controls .btn-danger{color:var(--vs-color-status-danger);background:var(--vs-color-surface-primary);border-color:var(--vs-color-status-danger)}.transmitter-controls .btn-secondary{color:var(--vs-color-text-primary);background:transparent}.transmitter-controls .environment-presets{display:grid;grid-template-columns:repeat(3,1fr);gap:.6rem}.transmitter-controls .environment-presets button{min-height:82px;padding:.75rem;border:1px solid var(--vs-color-border-control);color:var(--vs-color-text-primary);background:var(--vs-color-surface-primary);text-align:left;border-radius:var(--vs-radius-control)}.transmitter-controls .environment-presets button:hover:not(:disabled){background:var(--vs-color-surface-selected);border-color:var(--vs-color-accent-action)}.transmitter-controls .environment-presets strong,.transmitter-controls .environment-presets span{display:block}.transmitter-controls .environment-presets strong{font:650 .75rem/1.2 var(--vs-font-mono)}.transmitter-controls .environment-presets span{margin-top:.4rem;color:var(--vs-color-text-secondary);font:600 .75rem/1.2 var(--vs-font-mono)}.transmitter-controls .fine-controls{margin-top:.9rem;border-top:1px solid var(--vs-color-border-subtle)}.transmitter-controls .fine-controls summary{padding:.8rem 0;color:var(--vs-color-text-secondary);font:600 .75rem/1 var(--vs-font-mono);text-transform:none;cursor:pointer;min-height:var(--vs-size-control-md);font-family:var(--vs-font-sans);font-size:.875rem}.transmitter-controls .fine-control-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;font-size:.8125rem}.transmitter-controls .form-group{display:flex;flex-direction:column;gap:var(--vs-space-2);min-width:0;margin:0}.transmitter-controls .form-group label{display:block;margin-bottom:.5rem;color:var(--vs-color-text-secondary);font:600 .75rem/1.3 var(--vs-font-mono)}.transmitter-controls .form-group select,.transmitter-controls .form-group input[type=range]{width:100%;padding:.5rem;border:1px solid var(--vs-color-border-control);border-radius:var(--vs-radius-control);background:var(--vs-color-surface-primary);accent-color:var(--vs-color-accent-action)}.transmitter-controls .help-text,.transmitter-controls .slider-labels{color:var(--vs-color-text-secondary);font:600 .75rem/1.3 var(--vs-font-mono)}.transmitter-controls .help-text{display:block;margin-top:.3rem}.transmitter-controls .slider-labels{display:flex;justify-content:space-between;margin-top:.2rem}.transmitter-controls .warning-message{grid-column:1 / -1;padding:.75rem;border-top:1px solid var(--vs-color-border-default);color:var(--vs-color-text-primary);background:var(--vs-color-background-subtle);font:600 .75rem/1.3 var(--vs-font-mono);border-top-color:var(--vs-color-status-warning)}@media(max-width:768px){.transmitter-controls{grid-template-columns:1fr;border:1px solid var(--vs-color-border-subtle);border-radius:var(--vs-radius-card)}.transmitter-controls .transmitter-control-section+.transmitter-control-section{border-top:1px solid var(--vs-color-border-default);border-left:0}.transmitter-controls .environment-presets,.transmitter-controls .fine-control-grid{grid-template-columns:1fr}}.transmitter-controls .form-group strong{font-family:var(--vs-font-mono);font-size:.8125rem}.transmitter-controls .form-group select{min-height:var(--vs-size-control-md);color:var(--vs-color-text-primary)}.transmitter-controls .form-group input[type=range]{min-height:var(--vs-size-control-md)}.metrics-panel{padding:1.1rem;border:1px solid var(--vs-color-border-subtle);background:var(--vs-color-surface-primary);border-radius:var(--vs-radius-card)}.metrics-panel .metrics-title{margin:0 0 .8rem;color:var(--vs-color-text-primary);font-size:1rem;text-transform:none}.metrics-panel .metrics-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:0;margin-bottom:1rem;border:1px solid var(--vs-color-border-default);border-color:var(--vs-color-border-subtle);border-radius:var(--vs-radius-control);overflow:hidden}.metrics-panel .metric-item{display:flex;flex-direction:column;gap:.35rem;padding:.75rem;border-right:1px solid var(--vs-color-border-default);background:var(--vs-color-surface-primary);border-color:var(--vs-color-border-subtle)}.metrics-panel .metric-item:last-child{border-right:0}.metrics-panel .metric-item .metric-label{margin:0;color:var(--vs-color-text-secondary);font:600 .75rem/1 var(--vs-font-mono);text-transform:uppercase}.metrics-panel .metric-item .metric-value{color:var(--vs-color-text-primary);font:650 1.35rem/1 var(--vs-font-mono);font-weight:600;font-variant-numeric:tabular-nums}.metrics-panel .metric-item .metric-value.error{color:var(--vs-color-status-danger)}.metrics-panel .metric-status{color:var(--vs-color-text-secondary);font-size:var(--vs-font-size-xs);line-height:1.4}.metrics-panel .progress-section{margin-top:1rem}.metrics-panel .progress-bar{width:100%;height:10px;margin-bottom:.5rem;overflow:hidden;border:1px solid var(--vs-color-border-default);background:var(--vs-color-background-subtle)}.metrics-panel .progress-fill{height:100%;background:var(--vs-color-accent-graphic);transition:width var(--vs-motion-normal)}.metrics-panel .progress-text{color:var(--vs-color-text-secondary);font:650 .75rem/1.2 var(--vs-font-mono)}@media(max-width:768px){.metrics-panel .metrics-grid{grid-template-columns:repeat(2,1fr);border-color:var(--vs-color-border-subtle);border-radius:var(--vs-radius-control);overflow:hidden}}.hello-world-demo{max-width:1280px;margin:0 auto;padding:clamp(1rem,3vw,2rem);color:var(--vs-color-text-primary)}.hello-world-demo .demo-header{display:flex;align-items:end;justify-content:space-between;gap:2rem;margin-bottom:1.25rem;padding-bottom:1rem;border-bottom:1px solid var(--vs-color-border-default)}.hello-world-demo .demo-kicker,.hello-world-demo .optical-output-heading span,.hello-world-demo .pattern-placeholder span{color:var(--vs-color-text-link);font:650 .75rem/1.2 var(--vs-font-mono);letter-spacing:.11em;text-transform:uppercase}.hello-world-demo .demo-header h2{margin:.25rem 0 0;color:var(--vs-color-text-primary);font-size:clamp(1.75rem,3vw,2.5rem);text-transform:none;letter-spacing:-.035em}.hello-world-demo .demo-header p{max-width:470px;margin:0;color:var(--vs-color-text-secondary);font:600 .78rem/1.5 var(--vs-font-mono);text-align:right;font-family:var(--vs-font-sans);font-size:.9375rem}.hello-world-demo .demo-content{display:grid;gap:1.25rem}.hello-world-demo .instrument-panel{border:1px solid var(--vs-color-border-subtle);background:var(--vs-color-surface-primary);border-radius:var(--vs-radius-card)}.hello-world-demo .payload-composer{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(280px,.55fr)}.hello-world-demo .prepared-text-payload output{display:block;min-height:4.5rem;padding:1rem;border:1px solid var(--vs-color-border-subtle);background:var(--vs-color-surface-raised);color:var(--vs-color-text-primary);font:600 1rem/1.5 var(--vs-font-mono);overflow-wrap:anywhere;white-space:pre-wrap;border-radius:var(--vs-radius-card)}.hello-world-demo .input-section{display:flex;flex-direction:column;padding:1.25rem}.hello-world-demo .input-section label{margin-bottom:.45rem;color:var(--vs-color-text-secondary);font:600 .75rem/1.2 var(--vs-font-mono);text-transform:none;font-family:var(--vs-font-sans);font-size:.875rem}.hello-world-demo .input-section textarea{min-height:132px;padding:1rem;border:1px solid var(--vs-color-border-control);border-radius:var(--vs-radius-control);color:var(--vs-color-text-primary);background:var(--vs-color-surface-raised);font:600 1rem/1.5 var(--vs-font-mono);resize:vertical;border-color:var(--vs-color-border-control)}.hello-world-demo .input-section textarea:disabled{background:var(--vs-color-background-subtle)}.hello-world-demo .validation-error{margin-top:.5rem;color:var(--vs-color-status-danger);font:600 .78rem/1.4 var(--vs-font-mono)}.hello-world-demo .char-count{margin-top:.45rem;color:var(--vs-color-text-secondary);font:650 .75rem/1.2 var(--vs-font-mono);text-align:right}.hello-world-demo .payload-readout{display:grid;grid-template-columns:repeat(2,1fr);margin:0;border-left:1px solid var(--vs-color-border-default)}.hello-world-demo .payload-readout div{display:flex;flex-direction:column;justify-content:space-between;min-height:106px;padding:1rem;border-bottom:1px solid var(--vs-color-border-default)}.hello-world-demo .payload-readout div:nth-child(odd){border-right:1px solid var(--vs-color-border-default)}.hello-world-demo .payload-readout div:nth-last-child(-n+2){border-bottom:0}.hello-world-demo .payload-readout dt{color:var(--vs-color-text-secondary);font:600 .75rem/1.2 var(--vs-font-mono);letter-spacing:.06em;text-transform:uppercase}.hello-world-demo .payload-readout dd{margin:0;color:var(--vs-color-text-primary);font:650 1.4rem/1 var(--vs-font-mono)}.hello-world-demo .payload-readout div:last-child dd{color:var(--vs-color-status-success);font-size:.9rem}.hello-world-demo .optical-output-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:-1.25rem;padding:.7rem .9rem;color:var(--vs-color-text-primary);background:var(--vs-color-surface-primary);border-radius:var(--vs-radius-card);border:1px solid var(--vs-color-border-subtle)}.hello-world-demo .optical-output-heading span{color:var(--vs-color-text-secondary)}.hello-world-demo .optical-output-heading strong{color:var(--vs-color-status-success);font:650 .75rem/1 var(--vs-font-mono);letter-spacing:.1em}.hello-world-demo .pattern-section{position:relative;display:grid;min-height:0;overflow:hidden;border:1px solid var(--vs-color-border-default);background:#fff;border-radius:var(--vs-radius-card)}.hello-world-demo .text-optical-station{display:grid;grid-template-columns:minmax(0,520px) 300px;justify-content:center;grid-template-rows:auto 1fr auto;align-items:start;gap:.75rem;scroll-margin-top:12px}.hello-world-demo .text-optical-station>.pattern-section{grid-column:1;grid-row:1 / 3;align-content:center}.hello-world-demo .text-optical-station .demo-pattern{height:auto}.hello-world-demo .text-optical-station .demo-pattern .optical-frame{width:min(100%,520px,calc(100dvh - 280px));max-width:min(100%,520px,calc(100dvh - 280px))}.hello-world-demo .text-optical-station .frame-counter{position:static;transform:none;text-align:center}.hello-world-demo .text-optical-station .pattern-section>p{margin:0;padding:.5rem;font-size:.875rem;text-align:center;color:#1a1715;background:#fff}.hello-world-demo .text-optical-station>.transmission-controls{grid-column:2;grid-row:1;flex-wrap:wrap;justify-content:flex-start}.hello-world-demo .text-optical-station>.transmission-controls .btn{min-height:var(--vs-size-control-md);padding:.65rem .8rem;border:1px solid var(--vs-color-border-control);color:var(--vs-color-text-primary);background:var(--vs-color-surface-primary);font:650 .75rem/1.2 var(--vs-font-mono);cursor:pointer;border-radius:var(--vs-radius-control);font-family:var(--vs-font-sans);font-weight:600}.hello-world-demo .text-optical-station>.transmitter-controls{display:contents}.hello-world-demo .text-optical-station .transmitter-actions{grid-column:2;grid-row:2}.hello-world-demo .text-optical-station .transmitter-control-section{padding:.75rem;border:1px solid var(--vs-color-border-subtle);background:var(--vs-color-surface-primary);border-radius:var(--vs-radius-card)}.hello-world-demo .text-optical-station .transmitter-control-section+.transmitter-control-section{grid-column:1 / -1;grid-row:3}.hello-world-demo .text-confirm-receipt{grid-column:1 / -1;grid-row:4;display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.85rem;border:1px solid var(--vs-color-border-subtle);background:var(--vs-color-status-surface-success);border-radius:var(--vs-radius-card);border-color:var(--vs-color-status-success)}.hello-world-demo .text-confirm-receipt p{margin:0;font:600 .75rem/1.4 var(--vs-font-mono)}.hello-world-demo .text-optical-station .pattern-focus-mode .optical-frame{max-width:min(100%,calc(100dvh - 200px))}@media(max-width:760px){.hello-world-demo .text-optical-station{grid-template-columns:minmax(0,1fr);gap:.5rem}.hello-world-demo .text-optical-station>.pattern-section{grid-row:1;min-height:0}.hello-world-demo .text-optical-station>.transmission-controls{grid-column:1;grid-row:2}.hello-world-demo .text-optical-station .transmitter-actions{grid-column:1;grid-row:3}.hello-world-demo .text-optical-station .transmitter-actions .instrument-section-heading{display:none}.hello-world-demo .text-optical-station .transmitter-actions .btn-primary{width:auto;min-height:44px;color:var(--vs-color-text-on-accent);background:var(--vs-color-accent-action);border-color:var(--vs-color-accent-action)}.hello-world-demo .text-optical-station .transmitter-control-section+.transmitter-control-section{grid-row:4}.hello-world-demo .text-confirm-receipt{grid-column:1;grid-row:5;align-items:stretch;flex-direction:column;border:1px solid var(--vs-color-border-subtle);border-radius:var(--vs-radius-card);border-color:var(--vs-color-status-success)}}.hello-world-demo .pattern-section.pattern-focus-mode{position:fixed;z-index:10000;inset:0;width:100vw;height:100dvh;min-height:0;border:0;background:#fff;box-sizing:border-box;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:80px 12px 16px;border-radius:0}.hello-world-demo .pattern-focus-actions{position:absolute;z-index:10002;top:max(.75rem,env(safe-area-inset-top));left:max(.75rem,env(safe-area-inset-left));right:max(.75rem,env(safe-area-inset-right));display:flex;justify-content:center;gap:.5rem}.hello-world-demo .pattern-focus-actions button{padding:.65rem .9rem;min-height:var(--vs-size-control-md);border:1px solid var(--vs-color-border-control);border-radius:var(--vs-radius-control);color:var(--vs-color-text-primary);background:var(--vs-color-surface-primary);font:650 .75rem/1 var(--vs-font-mono);cursor:pointer;font-family:var(--vs-font-sans);font-weight:600}.hello-world-demo .demo-pattern{width:100%;height:100%}.hello-world-demo .pattern-placeholder{display:grid;place-items:center;height:100%;padding:2rem;color:var(--vs-color-text-secondary);background-image:linear-gradient(var(--vs-color-border-subtle) 1px,transparent 1px),linear-gradient(90deg,var(--vs-color-border-subtle) 1px,transparent 1px);background-size:32px 32px;text-align:center;background:var(--vs-color-surface-primary)}.hello-world-demo .pattern-placeholder strong{display:block;margin:.35rem 0;color:var(--vs-color-text-primary);font:650 clamp(2rem,7vw,5rem) / 1 var(--vs-font-mono);font-size:clamp(1.75rem,5vw,3.75rem);font-weight:600}.hello-world-demo .pattern-placeholder p{margin:0;font:600 .75rem/1.4 var(--vs-font-mono)}.hello-world-demo .frame-counter{position:absolute;bottom:0;left:50%;transform:translate(-50%);padding:.55rem .8rem;color:var(--vs-color-text-primary);background:var(--vs-color-surface-primary);font:600 .75rem/1 var(--vs-font-mono);border-top:1px solid var(--vs-color-border-subtle)}.hello-world-demo .fps-indicator{color:var(--vs-color-status-success)}.hello-world-demo .transmission-controls,.hello-world-demo .self-test-panel{display:flex;justify-content:center;gap:.7rem}.hello-world-demo .self-test-panel{flex-wrap:wrap;padding:1rem;border:1px solid var(--vs-color-border-subtle);background:var(--vs-color-background-canvas);text-align:center;border-radius:var(--vs-radius-card)}.hello-world-demo .self-test-panel p{flex-basis:100%;margin:0}.hello-world-demo .self-test-success{color:var(--vs-color-status-success);font:600 .75rem/1.4 var(--vs-font-mono)}.hello-world-demo .error-message{padding:1rem;border:1px solid var(--vs-color-border-subtle);color:var(--vs-color-status-danger);background:var(--vs-color-status-surface-danger);border-radius:var(--vs-radius-card);border-color:var(--vs-color-status-danger)}@media(max-width:768px){.hello-world-demo{padding:1rem;color:var(--vs-color-text-primary)}.hello-world-demo .demo-header{align-items:start;flex-direction:column;gap:.6rem}.hello-world-demo .demo-header p{text-align:left;font-family:var(--vs-font-sans);font-size:.9375rem}.hello-world-demo .payload-composer{grid-template-columns:1fr}.hello-world-demo .payload-readout{border-top:1px solid var(--vs-color-border-default);border-left:0}.hello-world-demo .pattern-section{min-height:330px;border-radius:var(--vs-radius-card)}}.hello-world-demo .demo-header h1{font-size:clamp(1.75rem,3vw,2.5rem);letter-spacing:-.035em}.hello-world-demo .btn{min-height:var(--vs-size-control-md);border-radius:var(--vs-radius-control);font-family:var(--vs-font-sans);font-weight:600;border:1px solid var(--vs-color-border-control);transition:color var(--vs-motion-fast),background-color var(--vs-motion-fast)}.hello-world-demo .btn-primary{color:var(--vs-color-text-on-accent);background:var(--vs-color-accent-action);border-color:var(--vs-color-accent-action)}.hello-world-demo .btn-secondary{color:var(--vs-color-text-primary);background:var(--vs-color-surface-primary)}.camera-capture{position:relative;width:100%;height:100%;background-color:#000;overflow:hidden}.camera-capture .camera-video{width:100%;height:100%;object-fit:cover}.camera-capture .camera-video.hidden{display:none}.camera-capture .camera-hardware-controls{position:absolute;right:.5rem;bottom:.5rem;left:.5rem;z-index:8;display:flex;align-items:flex-end;gap:.5rem;min-height:44px;padding:.4rem;color:var(--vs-color-text-primary);background:var(--vs-color-surface-primary);border:1px solid var(--vs-color-border-default);font-family:var(--vs-font-mono);border-radius:var(--vs-radius-card)}.camera-capture .camera-hardware-controls label{display:grid;flex:1 1 12rem;gap:.2rem;min-width:0}.camera-capture .camera-hardware-controls label>span,.camera-capture .camera-control-state{color:var(--vs-color-accent-action);font-size:.75rem;font-weight:700;letter-spacing:.08em}.camera-capture .camera-hardware-controls select,.camera-capture .camera-torch{min-height:var(--vs-size-control-md);padding:.35rem .5rem;color:var(--vs-color-text-primary);background:var(--vs-color-surface-primary);border:1px solid var(--vs-color-border-control);border-radius:var(--vs-radius-control);font:600 .75rem/1 var(--vs-font-mono);font-family:var(--vs-font-sans);font-weight:600}.camera-capture .camera-hardware-controls select{width:100%;overflow:hidden;text-overflow:ellipsis}.camera-capture .camera-torch{flex:0 0 auto;cursor:pointer}.camera-capture .camera-hardware-controls select:disabled,.camera-capture .camera-torch:disabled{cursor:wait;opacity:.6}.camera-capture .camera-control-state{align-self:center;flex:0 0 auto}.camera-capture .camera-control-notice{flex:1 1 100%;color:var(--vs-color-text-primary);font-size:.75rem;line-height:1.3}.camera-capture .camera-loading,.camera-capture .camera-error{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);text-align:center;color:var(--vs-color-text-primary);font-family:var(--vs-font-mono);z-index:10;background:var(--vs-color-surface-primary);padding:1rem;border-radius:var(--vs-radius-card)}.camera-capture .spinner{width:50px;height:50px;border:4px solid var(--vs-color-border-subtle);border-top-color:var(--vs-color-accent-action);border-radius:50%;animation:spin 1s linear infinite;margin:0 auto 1rem}.camera-capture .camera-error{width:calc(100% - 1rem);max-width:28rem;padding:1rem;background-color:var(--vs-color-surface-primary);border:1px solid var(--vs-color-status-danger);border-radius:var(--vs-radius-card)}.camera-capture .error-icon{font-size:3rem;margin-bottom:1rem}.camera-capture .error-message{margin-bottom:1.5rem;font-size:1.1rem}.camera-capture .camera-error .error-icon{font-size:1.25rem;margin-bottom:.5rem}.camera-capture .camera-error .error-message{font-size:.875rem;margin-bottom:.5rem;background:transparent;border:0;color:var(--vs-color-text-primary);padding:0}.camera-capture .camera-error .btn-retry{min-height:44px;padding:.5rem}.camera-capture .btn-retry{padding:.75rem 1.5rem;background-color:var(--vs-color-accent-action);color:var(--vs-color-text-on-accent);border:1px solid var(--vs-color-accent-action);border-radius:var(--vs-radius-control);font-size:1rem;cursor:pointer;transition:background-color var(--vs-motion-normal);min-height:var(--vs-size-control-md);font-family:var(--vs-font-sans);font-weight:600;background:var(--vs-color-accent-action);border-color:var(--vs-color-accent-action)}.camera-capture .btn-retry:hover{background-color:var(--vs-color-accent-hover);color:var(--vs-color-text-on-accent);background:var(--vs-color-accent-hover);border-color:var(--vs-color-accent-action)}@media(max-width:520px){.camera-capture .camera-hardware-controls{flex-wrap:wrap;color:var(--vs-color-text-primary);background:var(--vs-color-surface-primary);border:1px solid var(--vs-color-border-default);border-radius:var(--vs-radius-card)}.camera-capture .camera-hardware-controls label{flex-basis:calc(100% - 6.5rem)}.camera-capture .camera-control-notice{flex-basis:100%}}.camera-capture .camera-torch[aria-pressed=true]{color:var(--vs-color-text-on-accent);background:var(--vs-color-accent-action);border-color:var(--vs-color-accent-action)}.receiver-view{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(300px,.55fr);grid-template-rows:auto auto 1fr auto auto;gap:1rem;max-width:1280px;min-height:720px;margin:0 auto;padding:clamp(1rem,3vw,2rem);color:var(--vs-color-text-primary);background:var(--vs-color-background-canvas)}.receiver-view .receiver-instrument-header{grid-column:1 / -1;display:flex;align-items:end;justify-content:space-between;gap:1rem;padding-bottom:1rem;border-bottom:1px solid 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i{background:var(--vs-color-status-success)}.receiver-view .camera-section{grid-column:1;grid-row:2 / 4;position:relative;min-height:510px;overflow:hidden;border:1px solid var(--vs-color-border-default);background:#080906;border-radius:var(--vs-radius-card)}.receiver-view .receiver-camera{width:100%;height:100%}.receiver-view .corner-overlay{position:absolute;z-index:10;inset:0;width:100%;height:100%;pointer-events:none}.receiver-view .detection-badge,.receiver-view .decoding-indicator{position:absolute;z-index:20;top:.8rem;display:flex;align-items:center;gap:.5rem;padding:.55rem .75rem;border:1px solid var(--vs-color-surface-primary);font:650 .75rem/1 var(--vs-font-mono);letter-spacing:.04em;border-radius:var(--vs-radius-control);border-color:var(--vs-color-border-default)}.receiver-view .detection-badge{left:.8rem}.receiver-view .detection-badge.detected{color:var(--vs-color-text-primary);background:var(--vs-color-surface-primary);border-color:var(--vs-color-status-success)}.receiver-view .detection-badge.searching{color:var(--vs-color-text-primary);background:var(--vs-color-surface-primary);border-color:var(--vs-color-status-warning)}.receiver-view .decoding-indicator{right:.8rem;color:var(--vs-color-text-primary);background:var(--vs-color-surface-primary)}.receiver-view .spinner-small{display:inline-block;width:14px;height:14px;border:2px solid var(--vs-color-border-subtle);border-top-color:var(--vs-color-accent-action);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.receiver-view>.controls-section,.receiver-view>.results-section,.receiver-view>.metrics-section,.receiver-view>.receiver-technical-actions{border:1px solid var(--vs-color-border-subtle);border-radius:var(--vs-radius-card);background:var(--vs-color-surface-primary)}.receiver-view .receiver-result-actions{display:grid;gap:.55rem;margin-top:.8rem}.receiver-view .receiver-result-actions span{font:600 .75rem/1.3 var(--vs-font-mono)}.receiver-view>.receiver-technical-actions{grid-column:2;grid-row:4;padding:.8rem 1.1rem}.receiver-view .receiver-technical-actions summary{cursor:pointer;font:650 .75rem/1.2 var(--vs-font-mono);letter-spacing:.06em}.receiver-view .receiver-technical-actions .btn{width:100%;margin-top:.75rem}.receiver-view>.controls-section{grid-column:2;grid-row:2;padding:1.1rem}.receiver-view .receiver-heading{margin-bottom:.9rem}.receiver-view .receiver-heading h3{margin:.2rem 0 0;color:var(--vs-color-text-primary);font-size:1.15rem;text-transform:none}.receiver-view .button-group{display:grid;grid-template-columns:repeat(2,1fr);gap:.55rem;margin-bottom:1rem}.receiver-view .btn{min-height:var(--vs-size-control-md);padding:.65rem;border:1px solid var(--vs-color-border-control);border-radius:var(--vs-radius-control);font:650 .75rem/1.2 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label{color:var(--vs-color-text-secondary);font:600 .75rem/1.2 var(--vs-font-mono);font-family:var(--vs-font-sans);font-size:.8125rem}.receiver-view>.results-section{grid-column:2;grid-row:3;padding:1.1rem}.receiver-view .result-display{padding:.85rem;border-left:1px solid var(--vs-color-accent-action);background:var(--vs-color-surface-primary);border-left-width:4px;border-radius:var(--vs-radius-control)}.receiver-view .result-text{margin-bottom:.5rem;color:var(--vs-color-text-primary);font:600 .95rem/1.45 var(--vs-font-mono);overflow-wrap:anywhere}.receiver-view .result-display.reconstruction-complete,.receiver-view .result-display.verification-accepted{border-left-color:var(--vs-color-status-success);background:var(--vs-color-status-surface-success)}.receiver-view .result-display.reconstruction-complete .result-text,.receiver-view .result-display.verification-accepted .result-text{color:var(--vs-color-status-success)}.receiver-view .result-display.verification-rejected,.receiver-view .result-display.reconstruction-rejected{border-left-color:var(--vs-color-status-danger);background:var(--vs-color-status-surface-danger)}.receiver-view .result-display.verification-rejected .result-text,.receiver-view .result-display.reconstruction-rejected .result-text{color:var(--vs-color-status-danger)}.receiver-view .result-display.verification-checking{border-left-color:var(--vs-color-accent-action);background:var(--vs-color-surface-selected)}.receiver-view .result-meta{color:var(--vs-color-text-secondary);font:600 .75rem/1.4 var(--vs-font-mono)}.receiver-view .result-placeholder{padding:2rem 1rem;color:var(--vs-color-text-secondary);border:1px dashed var(--vs-color-border-default);font:650 var(--vs-font-size-xs) / 1.4 var(--vs-font-mono);text-align:center;text-transform:uppercase}.receiver-view>.metrics-section{grid-column:1 / -1;grid-row:5;padding:1.1rem}.receiver-view .session-progress-heading{display:flex;align-items:start;justify-content:space-between}.receiver-view .session-progress-heading>strong{padding:.45rem .6rem;color:var(--vs-color-text-primary);background:var(--vs-color-background-subtle);font:650 .75rem/1 var(--vs-font-mono);border:1px solid var(--vs-color-status-success);border-radius:var(--vs-radius-control)}.receiver-view .metrics-grid{display:grid;grid-template-columns:repeat(6,1fr);border:1px solid var(--vs-color-border-default);border-color:var(--vs-color-border-subtle)}.receiver-view .metric{display:flex;flex-direction:column;align-items:start;gap:.45rem;min-width:0;padding:.8rem;border-right:1px solid var(--vs-color-border-default);background:var(--vs-color-surface-primary);border-color:var(--vs-color-border-subtle)}.receiver-view .metric:nth-child(6),.receiver-view .metric:last-child{border-right:0}.receiver-view .metric-corrections{grid-column:1 / -1;flex-direction:row;align-items:center;border-top:1px solid var(--vs-color-border-default)}.receiver-view .metric-value{color:var(--vs-color-text-primary);font:650 clamp(1rem,3vw,1.55rem) / 1 var(--vs-font-mono);font-weight:600;font-variant-numeric:tabular-nums}.receiver-view .metric-label{color:var(--vs-color-text-secondary);font:600 .75rem/1 var(--vs-font-mono);letter-spacing:.05em;text-transform:uppercase}.receiver-view .debug-section{color:var(--vs-color-text-secondary)!important;font-family:var(--vs-font-mono)}.receiver-view .error-section{grid-column:1 / -1;padding:1rem;border:1px solid var(--vs-color-status-danger);color:var(--vs-color-status-danger);background:var(--vs-color-status-surface-danger);text-align:center}.receiver-view .error-icon{font-size:2rem}@media(max-width:768px){.receiver-view{grid-template-columns:1fr;grid-template-rows:auto auto auto auto auto auto;min-height:auto;padding:1rem}.receiver-view .receiver-instrument-header{grid-column:1;align-items:start;flex-direction:column}.receiver-view .receiver-state{width:100%;border-radius:var(--vs-radius-control);border-color:var(--vs-color-border-subtle)}.receiver-view 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.lab-banner{display:flex;align-items:center;justify-content:space-between;gap:1.5rem;padding:1rem clamp(1rem,4vw,3rem);color:var(--vs-color-text-primary);background:var(--vs-color-surface-primary);border-bottom:1px solid var(--vs-color-border-default)}.transmit-receive-demo .lab-banner strong{display:block;margin:.2rem 0;color:var(--vs-color-text-primary);font-size:1.15rem;text-transform:none;font-weight:600}.transmit-receive-demo .lab-banner p{max-width:720px;margin:0;color:var(--vs-color-text-secondary);font-size:.88rem}.transmit-receive-demo .lab-eyebrow{display:flex;align-items:center;gap:.4rem;color:var(--vs-color-text-secondary);font-size:.75rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase}.transmit-receive-demo .network-dot{width:.55rem;height:.55rem;border-radius:999px}.transmit-receive-demo .network-dot.online{background:var(--vs-color-status-success);border:1px solid var(--vs-color-border-default)}.transmit-receive-demo .network-dot.offline{background:var(--vs-color-accent-action);border:1px solid var(--vs-color-border-default)}.transmit-receive-demo .lab-share{display:grid;flex:0 0 auto;justify-items:center;gap:.35rem}.transmit-receive-demo .lab-share span{color:var(--vs-color-text-secondary);font-size:.75rem}.transmit-receive-demo .share-link-btn{padding:.65rem .9rem;border:1px solid var(--vs-color-border-control);border-radius:var(--vs-radius-control);color:var(--vs-color-text-primary);background:transparent;font-weight:600;min-height:var(--vs-size-control-md);font-family:var(--vs-font-sans)}.transmit-receive-demo .share-link-btn:hover{color:var(--vs-color-text-primary);background:var(--vs-color-surface-selected)}.transmit-receive-demo .mode-selector{display:flex;justify-content:center;gap:.5rem;padding:0 clamp(1rem,4vw,3rem);background-color:var(--vs-color-surface-primary);border-bottom:1px solid var(--vs-color-border-subtle)}.transmit-receive-demo .mode-btn{padding:.95rem 1.5rem;border:1px solid transparent;border-left:1px solid var(--vs-color-border-subtle);border-radius:var(--vs-radius-control);background-color:transparent;color:var(--vs-color-text-secondary);font:600 .78rem/1 var(--vs-font-mono);letter-spacing:.05em;cursor:pointer;transition:color var(--vs-motion-fast),background-color var(--vs-motion-fast),border-color var(--vs-motion-fast);min-height:var(--vs-size-control-md);font-family:var(--vs-font-sans);font-weight:600;margin:.5rem 0}.transmit-receive-demo .mode-btn:hover{color:var(--vs-color-text-primary);background-color:var(--vs-color-surface-selected)}.transmit-receive-demo .mode-btn.active{background-color:var(--vs-color-surface-selected);color:var(--vs-color-text-primary);border-color:var(--vs-color-accent-action)}.transmit-receive-demo .demo-container{flex:1;overflow:auto}.transmit-receive-demo .mode-instructions{padding:1rem;background-color:var(--vs-color-background-canvas);border-top:1px solid 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