.app-layout{min-height:100vh;display:flex;flex-direction:column;background:var(--instrument-bone)}.app-header{color:var(--instrument-bone);padding:0;background:var(--instrument-carbon);border-bottom:5px solid var(--instrument-orange)}.header-content{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:1.25rem;max-width:1440px;margin:0 auto;padding:1rem clamp(1rem,4vw,3rem)}.instrument-mark{display:grid;place-items:center;width:54px;height:54px;color:var(--instrument-carbon);background:var(--instrument-orange);border:2px solid var(--instrument-bone);font:950 2rem/1 var(--font-mono)}.app-system-label{margin:0 0 .2rem;color:var(--instrument-orange);font:750 .68rem/1.2 var(--font-mono);letter-spacing:.12em;text-transform:uppercase}.app-title{margin:0;color:var(--instrument-paper);font-size:clamp(1.55rem,4vw,2.5rem);font-weight:900;letter-spacing:-.04em;text-transform:uppercase}.app-subtitle{margin:0;color:#a8aa9e;font:600 .82rem/1.4 var(--font-mono)}.app-readiness{display:grid;grid-template-columns:auto 1fr;column-gap:.55rem;align-items:center;min-width:220px;padding:.7rem .85rem;border:1px solid #5b5d52;font-family:var(--font-mono)}.readiness-lamp{grid-row:1 / 3;width:13px;height:13px;background:var(--instrument-orange);box-shadow:none}.app-readiness strong{color:var(--instrument-paper);font-size:.74rem}.app-readiness small{color:#919389;font-size:.6rem}.app-lab-nav{display:flex;justify-content:center;overflow-x:auto;border-top:1px solid #4d4f46;background:#0f100c}.app-lab-nav a{min-height:44px;display:grid;place-items:center;padding:.65rem 1rem;border-right:1px solid #4d4f46;color:var(--instrument-paper);font:800 .66rem/1 var(--font-mono);letter-spacing:.08em;white-space:nowrap}.app-lab-nav a:first-child{border-left:1px solid #4d4f46}.app-lab-nav a:hover{color:var(--instrument-paper);background:var(--instrument-orange);text-decoration:none}.app-main{flex:1;padding:0}.app-footer{background-color:var(--instrument-carbon);color:var(--instrument-bone);padding:1rem;border-top:1px solid #4d4f46;text-align:center}.app-footer p{margin:0;font:650 .68rem/1.5 var(--font-mono);letter-spacing:.04em}.app-footer a{color:var(--instrument-orange);text-decoration:underline;transition:opacity var(--transition-fast)}.app-footer a:hover{opacity:.8}@media(max-width:768px){.header-content{grid-template-columns:auto 1fr;padding:.8rem 1rem}.instrument-mark{width:42px;height:42px;font-size:1.5rem}.app-readiness{display:none}}.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:2px solid var(--instrument-carbon);background:var(--instrument-paper);box-shadow:var(--shadow-md)}.transmitter-control-section{padding:1.25rem}.transmitter-control-section+.transmitter-control-section{border-left:2px solid var(--instrument-carbon)}.instrument-section-heading{margin-bottom:1rem}.instrument-section-heading span{display:block;color:var(--instrument-orange-dark);font:800 .65rem/1.2 var(--font-mono);letter-spacing:.1em;text-transform:uppercase}.instrument-section-heading h3{margin:.25rem 0 0;color:var(--instrument-carbon);font-size:1.25rem;text-transform:uppercase}.transmitter-controls .button-group{display:flex;gap:.65rem;flex-wrap:wrap}.transmitter-controls .btn{padding:.75rem 1rem;border:2px solid var(--instrument-carbon);border-radius:0;font:850 .75rem/1.2 var(--font-mono);letter-spacing:.04em;cursor:pointer;transition:color var(--transition-fast),background var(--transition-fast)}.transmitter-controls .btn:disabled{opacity:.42;cursor:not-allowed}.transmitter-controls .btn-primary{width:100%;min-height:62px;color:var(--instrument-carbon);background:var(--instrument-orange);box-shadow:4px 4px 0 var(--instrument-carbon)}.transmitter-controls .btn-primary:hover:not(:disabled){color:var(--instrument-paper);background:var(--instrument-orange-dark)}.transmitter-controls .btn-danger{color:var(--instrument-paper);background:var(--instrument-carbon)}.transmitter-controls .btn-secondary{color:var(--instrument-carbon);background:transparent}.environment-presets{display:grid;grid-template-columns:repeat(3,1fr);gap:.6rem}.environment-presets button{min-height:82px;padding:.75rem;border:2px solid var(--instrument-carbon);color:var(--instrument-carbon);background:var(--instrument-bone);text-align:left}.environment-presets button:hover:not(:disabled){background:var(--instrument-acid)}.environment-presets strong,.environment-presets span{display:block}.environment-presets strong{font:850 .72rem/1.2 var(--font-mono)}.environment-presets span{margin-top:.4rem;color:var(--color-gray-600);font:600 .65rem/1.2 var(--font-mono)}.fine-controls{margin-top:.9rem;border-top:1px solid var(--color-gray-300)}.fine-controls summary{padding:.8rem 0;color:var(--color-gray-700);font:750 .72rem/1 var(--font-mono);text-transform:uppercase;cursor:pointer}.fine-control-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}.transmitter-controls .form-group{margin:0}.transmitter-controls .form-group label{display:block;margin-bottom:.5rem;color:var(--color-gray-700);font:750 .72rem/1.3 var(--font-mono)}.transmitter-controls .form-group select,.transmitter-controls .form-group input[type=range]{width:100%;padding:.5rem;border:2px solid var(--instrument-carbon);border-radius:0;background:var(--instrument-paper);accent-color:var(--instrument-orange)}.help-text,.slider-labels{color:var(--color-gray-600);font:600 .65rem/1.3 var(--font-mono)}.help-text{display:block;margin-top:.3rem}.slider-labels{display:flex;justify-content:space-between;margin-top:.2rem}.warning-message{grid-column:1 / -1;padding:.75rem;border-top:2px solid var(--instrument-carbon);color:var(--instrument-carbon);background:var(--instrument-acid);font:750 .72rem/1.3 var(--font-mono)}@media(max-width:768px){.transmitter-controls{grid-template-columns:1fr}.transmitter-control-section+.transmitter-control-section{border-top:2px solid var(--instrument-carbon);border-left:0}.environment-presets,.fine-control-grid{grid-template-columns:1fr}}.metrics-panel{padding:1.1rem;border:2px solid var(--instrument-carbon);background:var(--instrument-paper);box-shadow:var(--shadow-sm)}.metrics-title{margin:0 0 .8rem;color:var(--instrument-carbon);font-size:1rem;text-transform:uppercase}.metrics-panel .metrics-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:0;margin-bottom:1rem;border:1px solid var(--instrument-carbon)}.metric-item{display:flex;flex-direction:column;gap:.35rem;padding:.75rem;border-right:1px solid var(--instrument-carbon);background:var(--instrument-bone)}.metric-item:last-child{border-right:0}.metric-item .metric-label{margin:0;color:var(--color-gray-600);font:700 .62rem/1 var(--font-mono);text-transform:uppercase}.metric-item .metric-value{color:var(--instrument-carbon);font:900 1.35rem/1 var(--font-mono)}.metric-item .metric-value.error{color:var(--instrument-critical)}.progress-section{margin-top:1rem}.progress-bar{width:100%;height:10px;margin-bottom:.5rem;overflow:hidden;border:1px solid var(--instrument-carbon);background:var(--color-gray-200)}.progress-fill{height:100%;background:var(--instrument-orange);transition:width var(--transition-base)}.progress-text{color:var(--color-gray-600);font:650 .67rem/1.2 var(--font-mono)}@media(max-width:768px){.metrics-panel .metrics-grid{grid-template-columns:repeat(2,1fr)}}.hello-world-demo{max-width:1280px;margin:0 auto;padding:clamp(1rem,3vw,2rem);color:var(--instrument-carbon)}.demo-header{display:flex;align-items:end;justify-content:space-between;gap:2rem;margin-bottom:1.25rem;padding-bottom:1rem;border-bottom:3px solid var(--instrument-carbon)}.demo-kicker,.optical-output-heading span,.pattern-placeholder span{color:var(--instrument-orange-dark);font:800 .67rem/1.2 var(--font-mono);letter-spacing:.11em;text-transform:uppercase}.demo-header h2{margin:.25rem 0 0;color:var(--instrument-carbon);font-size:clamp(1.8rem,4vw,3.4rem);text-transform:uppercase}.demo-header p{max-width:470px;margin:0;color:var(--color-gray-600);font:600 .78rem/1.5 var(--font-mono);text-align:right}.demo-content{display:grid;gap:1.25rem}.instrument-panel{border:2px solid var(--instrument-carbon);background:var(--instrument-paper);box-shadow:var(--shadow-md)}.payload-composer{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(280px,.55fr)}.input-section{display:flex;flex-direction:column;padding:1.25rem}.input-section label{margin-bottom:.45rem;color:var(--color-gray-700);font:750 .72rem/1.2 var(--font-mono);text-transform:uppercase}.input-section textarea{min-height:132px;padding:1rem;border:2px solid var(--instrument-carbon);border-radius:0;color:var(--instrument-carbon);background:#fffdf5;font:600 1rem/1.5 var(--font-mono);resize:vertical}.input-section textarea:disabled{background:var(--color-gray-100)}.validation-error{margin-top:.5rem;color:var(--instrument-critical);font:700 .78rem/1.4 var(--font-mono)}.char-count{margin-top:.45rem;color:var(--color-gray-600);font:650 .66rem/1.2 var(--font-mono);text-align:right}.payload-readout{display:grid;grid-template-columns:repeat(2,1fr);margin:0;border-left:2px solid var(--instrument-carbon)}.payload-readout div{display:flex;flex-direction:column;justify-content:space-between;min-height:106px;padding:1rem;border-bottom:1px solid var(--instrument-carbon)}.payload-readout div:nth-child(odd){border-right:1px solid var(--instrument-carbon)}.payload-readout div:nth-last-child(-n+2){border-bottom:0}.payload-readout dt{color:var(--color-gray-600);font:700 .62rem/1.2 var(--font-mono);letter-spacing:.06em;text-transform:uppercase}.payload-readout dd{margin:0;color:var(--instrument-carbon);font:900 1.4rem/1 var(--font-mono)}.payload-readout div:last-child dd{color:#55731e;font-size:.9rem}.optical-output-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:-1.25rem;padding:.7rem .9rem;color:var(--instrument-paper);background:var(--instrument-carbon)}.optical-output-heading span{color:#aeb0a6}.optical-output-heading strong{color:var(--instrument-acid);font:850 .72rem/1 var(--font-mono);letter-spacing:.1em}.pattern-section{position:relative;display:grid;min-height:460px;overflow:hidden;border:6px solid var(--instrument-carbon);background:#fff}.pattern-section.pattern-focus-mode{position:fixed;z-index:10000;inset:0;width:100vw;height:100dvh;min-height:0;border:0;background:#fff}.exit-pattern-focus{position:absolute;z-index:10002;top:max(.75rem,env(safe-area-inset-top));right:max(.75rem,env(safe-area-inset-right));padding:.65rem .9rem;border:2px solid var(--instrument-paper);border-radius:0;color:var(--instrument-paper);background:var(--instrument-carbon);font:800 .75rem/1 var(--font-mono)}.demo-pattern{width:100%;height:100%}.pattern-placeholder{display:grid;place-items:center;height:100%;padding:2rem;color:var(--color-gray-500);background-image:linear-gradient(#e6e2d8 1px,transparent 1px),linear-gradient(90deg,#e6e2d8 1px,transparent 1px);background-size:32px 32px;text-align:center}.pattern-placeholder strong{display:block;margin:.35rem 0;color:var(--instrument-carbon);font:900 clamp(2rem,7vw,5rem) / 1 var(--font-mono)}.pattern-placeholder p{margin:0;font:600 .75rem/1.4 var(--font-mono)}.frame-counter{position:absolute;bottom:0;left:50%;transform:translate(-50%);padding:.55rem .8rem;color:var(--instrument-paper);background:var(--instrument-carbon);font:750 .72rem/1 var(--font-mono)}.fps-indicator{color:var(--instrument-acid)}.transmission-controls,.self-test-panel{display:flex;justify-content:center;gap:.7rem}.self-test-panel{flex-wrap:wrap;padding:1rem;border:2px solid var(--instrument-carbon);background:var(--instrument-bone);text-align:center}.self-test-panel p{flex-basis:100%;margin:0}.self-test-success{color:#397344;font:700 .75rem/1.4 var(--font-mono)}.error-message{padding:1rem;border:2px solid var(--instrument-critical);color:var(--instrument-critical);background:#f9ddd6}@media(max-width:768px){.hello-world-demo{padding:1rem}.demo-header{align-items:start;flex-direction:column;gap:.6rem}.demo-header p{text-align:left}.payload-composer{grid-template-columns:1fr}.payload-readout{border-top:2px solid var(--instrument-carbon);border-left:0}.pattern-section{min-height:330px}}.camera-capture{position:relative;width:100%;height:100%;background-color:#000;overflow:hidden}.camera-video{width:100%;height:100%;object-fit:cover}.camera-video.hidden{display:none}.camera-loading,.camera-error{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);text-align:center;color:var(--instrument-paper);font-family:var(--font-mono);z-index:10}.spinner{width:50px;height:50px;border:4px solid rgba(255,255,255,.3);border-top-color:var(--instrument-acid);border-radius:50%;animation:spin 1s linear infinite;margin:0 auto 1rem}.camera-error{padding:2rem;background-color:#000c;border:2px solid var(--instrument-orange);border-radius:0}.error-icon{font-size:3rem;margin-bottom:1rem}.error-message{margin-bottom:1.5rem;font-size:1.1rem}.btn-retry{padding:.75rem 1.5rem;background-color:var(--instrument-orange);color:var(--instrument-carbon);border:2px solid var(--instrument-paper);border-radius:0;font-size:1rem;cursor:pointer;transition:background-color var(--transition-base)}.btn-retry:hover{background-color:var(--instrument-acid)}.receiver-view{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(300px,.55fr);grid-template-rows:auto auto 1fr auto;gap:1rem;max-width:1280px;min-height:720px;margin:0 auto;padding:clamp(1rem,3vw,2rem);color:var(--instrument-carbon);background:var(--instrument-bone)}.receiver-instrument-header{grid-column:1 / -1;display:flex;align-items:end;justify-content:space-between;gap:1rem;padding-bottom:1rem;border-bottom:3px solid var(--instrument-carbon)}.receiver-instrument-header span,.receiver-heading span{color:var(--instrument-orange-dark);font:800 .65rem/1.2 var(--font-mono);letter-spacing:.1em;text-transform:uppercase}.receiver-instrument-header h2{margin:.25rem 0 0;color:var(--instrument-carbon);font-size:clamp(1.8rem,4vw,3.4rem);text-transform:uppercase}.receiver-state{display:flex;align-items:center;gap:.6rem;padding:.75rem .9rem;border:2px solid var(--instrument-carbon);color:var(--instrument-carbon);background:var(--instrument-paper);font:850 .72rem/1.2 var(--font-mono);letter-spacing:.06em}.receiver-state i{width:11px;height:11px;background:var(--instrument-sage)}.receiver-state.active i,.receiver-state:has(+*) i{background:var(--instrument-acid)}.camera-section{grid-column:1;grid-row:2 / 4;position:relative;min-height:510px;overflow:hidden;border:6px solid var(--instrument-carbon);background:#080906}.camera-section:after{position:absolute;inset:0;pointer-events:none;content:"";background-image:linear-gradient(rgba(200,239,61,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(200,239,61,.05) 1px,transparent 1px);background-size:40px 40px}.receiver-camera{width:100%;height:100%}.corner-overlay{position:absolute;z-index:10;inset:0;width:100%;height:100%;pointer-events:none}.detection-badge,.decoding-indicator{position:absolute;z-index:20;top:.8rem;display:flex;align-items:center;gap:.5rem;padding:.55rem .75rem;border:2px solid var(--instrument-paper);font:800 .68rem/1 var(--font-mono);letter-spacing:.04em}.detection-badge{left:.8rem}.detection-badge.detected{color:var(--instrument-carbon);background:var(--instrument-acid)}.detection-badge.searching{color:var(--instrument-carbon);background:var(--instrument-orange)}.decoding-indicator{right:.8rem;color:var(--instrument-carbon);background:var(--instrument-paper)}.spinner-small{display:inline-block;width:14px;height:14px;border:2px solid rgba(21,22,17,.3);border-top-color:var(--instrument-carbon);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{border:2px solid var(--instrument-carbon);border-radius:0;background:var(--instrument-paper);box-shadow:var(--shadow-sm)}.receiver-view>.controls-section{grid-column:2;grid-row:2;padding:1.1rem}.receiver-heading{margin-bottom:.9rem}.receiver-heading h3{margin:.2rem 0 0;color:var(--instrument-carbon);font-size:1.15rem;text-transform:uppercase}.receiver-view .button-group{display:grid;grid-template-columns:repeat(2,1fr);gap:.55rem;margin-bottom:1rem}.receiver-view .btn{min-height:44px;padding:.65rem;border:2px solid var(--instrument-carbon);border-radius:0;font:800 .67rem/1.2 var(--font-mono);letter-spacing:.03em}.receiver-view .btn-primary{grid-column:1 / -1;min-height:58px;color:var(--instrument-carbon);background:var(--instrument-orange);box-shadow:3px 3px 0 var(--instrument-carbon)}.receiver-view .btn-danger{color:var(--instrument-paper);background:var(--instrument-carbon)}.receiver-view .btn-secondary{color:var(--instrument-carbon);background:var(--instrument-bone)}.config-group{display:flex;flex-direction:column;gap:.8rem}.detector-note{padding:.7rem;border-left:5px solid var(--instrument-sage);color:var(--color-gray-600);background:var(--instrument-bone);font:600 .68rem/1.4 var(--font-mono)}.receiver-view .form-group{display:flex;flex-direction:column;gap:.4rem}.receiver-view .form-group label{color:var(--color-gray-700);font:700 .68rem/1.2 var(--font-mono)}.receiver-view .form-group input[type=range]{width:100%;accent-color:var(--instrument-orange)}.receiver-view>.results-section{grid-column:2;grid-row:3;padding:1.1rem}.result-display{padding:.85rem;border-left:5px solid #4d7c34;background:#e7efd9}.result-text{margin-bottom:.5rem;color:#315321;font:750 .95rem/1.45 var(--font-mono);overflow-wrap:anywhere}.result-meta{color:var(--color-gray-600);font:600 .64rem/1.4 var(--font-mono)}.result-placeholder{padding:2rem 1rem;color:var(--color-gray-500);border:1px dashed var(--color-gray-400);font:650 .7rem/1.4 var(--font-mono);text-align:center;text-transform:uppercase}.receiver-view>.metrics-section{grid-column:1 / -1;grid-row:4;padding:1.1rem}.session-progress-heading{display:flex;align-items:start;justify-content:space-between}.session-progress-heading>strong{padding:.45rem .6rem;color:var(--instrument-carbon);background:var(--instrument-acid);font:800 .66rem/1 var(--font-mono)}.metrics-grid{display:grid;grid-template-columns:repeat(6,1fr);border:1px solid var(--instrument-carbon)}.metric{display:flex;flex-direction:column;align-items:start;gap:.45rem;min-width:0;padding:.8rem;border-right:1px solid var(--instrument-carbon);background:var(--instrument-bone)}.metric:last-child{border-right:0}.metric-value{color:var(--instrument-carbon);font:900 clamp(1rem,3vw,1.55rem) / 1 var(--font-mono)}.metric-label{color:var(--color-gray-600);font:750 .58rem/1 var(--font-mono);letter-spacing:.05em;text-transform:uppercase}.debug-section{color:var(--color-gray-600)!important;font-family:var(--font-mono)}.error-section{grid-column:1 / -1;padding:1rem;border:2px solid var(--instrument-critical);color:var(--instrument-critical);background:#f9ddd6;text-align:center}.error-icon{font-size:2rem}@media(max-width:768px){.receiver-view{grid-template-columns:1fr;grid-template-rows:auto auto auto auto auto;min-height:auto;padding:1rem}.receiver-instrument-header{grid-column:1;align-items:start;flex-direction:column}.receiver-state{width:100%}.camera-section{grid-column:1;grid-row:2;min-height:360px}.receiver-view>.controls-section{grid-column:1;grid-row:3}.receiver-view>.results-section{grid-column:1;grid-row:4}.receiver-view>.metrics-section{grid-column:1;grid-row:5}.metrics-grid{grid-template-columns:repeat(3,1fr)}.metric:nth-child(3){border-right:0}.metric:nth-child(-n+3){border-bottom:1px solid var(--instrument-carbon)}}.transmit-receive-demo{display:flex;flex-direction:column;min-height:100vh;background-color:var(--instrument-bone)}.lab-banner{display:flex;align-items:center;justify-content:space-between;gap:1.5rem;padding:1rem clamp(1rem,4vw,3rem);color:var(--instrument-carbon);background:var(--instrument-paper);border-bottom:2px solid var(--instrument-rule)}.lab-banner strong{display:block;margin:.2rem 0;color:var(--instrument-carbon);font-size:1.15rem;text-transform:uppercase}.lab-banner p{max-width:720px;margin:0;color:var(--color-gray-600);font-size:.88rem}.lab-eyebrow{display:flex;align-items:center;gap:.4rem;color:var(--color-gray-600);font-size:.72rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase}.network-dot{width:.55rem;height:.55rem;border-radius:999px}.network-dot.online{background:var(--instrument-acid);border:1px solid var(--instrument-carbon)}.network-dot.offline{background:var(--instrument-orange);border:1px solid var(--instrument-carbon)}.lab-share{display:grid;flex:0 0 auto;justify-items:center;gap:.35rem}.lab-share span{color:var(--color-gray-600);font-size:.72rem}.share-link-btn{padding:.65rem .9rem;border:2px solid var(--instrument-carbon);border-radius:0;color:var(--instrument-carbon);background:transparent;font-weight:700}.share-link-btn:hover{color:var(--instrument-paper);background:var(--instrument-carbon)}.mode-selector{display:flex;justify-content:center;gap:0;padding:0 clamp(1rem,4vw,3rem);background-color:var(--instrument-carbon);border-bottom:1px solid #4a4c43}.mode-btn{padding:.95rem 1.5rem;border:0;border-left:1px solid #4a4c43;border-radius:0;background-color:transparent;color:#a5a79d;font:750 .78rem/1 var(--font-mono);letter-spacing:.05em;cursor:pointer;transition:all .2s 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