@media screen {
 :root{--bg-color:#f3f5f6;--primary:#132c38;--border:#dbe3e7;--text:#203b48;--mc-header:#187f69;--md-header:#32678e}
 *{box-sizing:border-box}html{scroll-behavior:auto;scroll-padding-top:20px}body{font-family:Inter,'Segoe UI',Arial,sans-serif;padding:0 34px;color:var(--text);line-height:1.5;align-items:center}a{color:inherit;text-decoration:none}button,input,select{font:inherit}button,a,input,select{outline-offset:4px}button{cursor:pointer}button:hover{filter:brightness(.95)}button:disabled{opacity:.5;cursor:default}h1,h2,p{margin:0}h2{font-size:25px;letter-spacing:-.7px;font-weight:650;color:var(--primary)}
 .site-nav,.hero,.workspace-heading,.overview-strip,.global-bar,.parallel-container,.print-page-1,.help-panel,.site-footer{width:100%;max-width:1440px}.site-nav{order:0;min-height:88px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #dbe3e7;gap:20px}.brand{display:flex;align-items:center;gap:10px;font-size:23px;font-weight:700;letter-spacing:-.8px}.brand-mark{font-size:39px;line-height:1;color:#18866b}.brand-method{font-size:10px;letter-spacing:1px;border:1px solid #c8d5da;border-radius:4px;padding:3px 7px;margin-left:4px}.nav-links{display:flex;gap:32px;color:#647780;font-size:13px}.private-pill{font-size:11px;background:#e5eee9;border:1px solid #ccdfd4;padding:6px 12px;border-radius:20px;color:#386452;font-weight:600}
 .hero{order:1;display:grid;grid-template-columns:1.6fr 1fr;align-items:center;padding:48px 0 40px;gap:30px}.eyebrow{font-size:10px;font-weight:700;letter-spacing:1.8px;color:#65828e;margin-bottom:9px}.hero h1{font-size:clamp(30px,3.3vw,48px);line-height:1.13;font-weight:650;letter-spacing:-1.8px;margin-bottom:17px}.system-title{font-size:10px;letter-spacing:1.3px;font-weight:650;color:#358471;margin-bottom:10px}.hero-copy{max-width:570px;font-size:14px;color:#6a7d86;line-height:1.7}.hero-actions{display:flex;align-items:center;gap:24px;margin-top:24px}.primary-action{color:white;background:#167e68;border:none;padding:12px 17px;border-radius:6px;font-size:12px;font-weight:600}.primary-action span{margin-left:23px}.text-action{font-size:12px;font-weight:600;color:#36545f}.author{font-size:10px;color:#7a8a91;margin-top:16px}.hero-diagram{justify-self:center}.reticle{width:225px;height:200px;border:1px solid #a9bbb8;position:relative;background:linear-gradient(90deg,transparent calc(50% - .5px),#799b93 50%,transparent calc(50% + .5px)),linear-gradient(0deg,transparent calc(50% - .5px),#799b93 50%,transparent calc(50% + .5px)),repeating-linear-gradient(90deg,transparent 0,transparent calc(12.5% - 1px),#d2dedd calc(12.5% - 1px),#d2dedd 12.5%),repeating-linear-gradient(0deg,transparent 0,transparent calc(12.5% - 1px),#d2dedd calc(12.5% - 1px),#d2dedd 12.5%);transform:rotate(-5deg)}.reticle i{position:absolute;inset:28px 55px;border:1px solid #5b9380;border-radius:50% 50% 40% 40%;background:repeating-radial-gradient(ellipse at 50% 40%,transparent 0 4px,#6e9d8c 5px,transparent 6px 9px);opacity:.65}.reticle-point{position:absolute;background:#178269;border:4px solid #e7f3ed;box-shadow:0 0 0 1px #198a6e;width:13px;height:13px;border-radius:50%}.p1{top:41px;left:81px}.p2{top:122px;left:139px}.p3{top:100px;left:54px}.reticle-label{position:absolute;bottom:-13px;right:-12px;color:#f0f9f5;background:#254a42;padding:5px 12px;font-size:11px;letter-spacing:2px;transform:rotate(5deg)}.diagram-caption{font-size:8px;letter-spacing:2px;color:#7a918d;margin-top:26px;text-align:center}
 .workspace-heading{order:2;display:flex;align-items:center;justify-content:space-between;padding:22px 0 20px;border-top:1px solid var(--border);gap:20px}.workspace-heading p,.results-heading p{color:#71838b;font-size:12px;margin-top:5px}.status-pill{font-size:10px;border:1px solid #d6e0e3;background:#fff;padding:6px 10px;border-radius:5px;color:#637b85}.overview-strip{order:3;display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--border);border-radius:8px;background:#fff;margin-bottom:18px}.overview-strip>div{padding:15px 20px;border-right:1px solid var(--border)}.overview-strip>div:last-child{border:0}.overview-strip span{display:block;font-size:10px;color:#71838b;margin-bottom:4px}.overview-strip strong{font-size:16px;font-weight:600;font-variant-numeric:tabular-nums;letter-spacing:-.3px}
 .global-bar{order:4;padding:14px 18px;border-radius:8px;border:1px solid var(--border);gap:15px;background:#fff;margin-bottom:18px}.project-actions{order:-2}.global-bar .mode-selector{width:100%;flex-wrap:wrap;padding-top:12px;border-top:1px solid #edf1f3;gap:14px}.mode-selector>span{color:#6e828c;font-size:10px}.mode-selector label{font-size:11px;font-weight:500;display:flex;align-items:center;gap:4px}.global-bar label,.global-bar span{font-size:10px}input[type=radio],input[type=range]{accent-color:#18836c}.legend{width:100%;border-top:1px solid #edf1f3;padding-top:10px;gap:22px}select,input[type=number],input[type=text]{background:#fff;border:1px solid #d3dfe3;border-radius:5px;padding:6px 8px;color:#2d4956;font-size:11px}select{font-weight:500}.btn-project{padding:8px 12px;border-radius:5px;background:#254b5a;font-size:11px}.btn-load{background:#e6f1eb;color:#32745d}.btn-print{background:#eff2f5;color:#526875}
 .parallel-container{order:5;gap:20px;align-items:flex-start}.sample-module{min-width:0;border-radius:9px;padding:16px;box-shadow:0 2px 3px #0b243305;background:#fff;gap:15px}.sample-main-page{min-width:0}.module-badge{font-size:12px;letter-spacing:.2px;border-radius:5px;text-align:left;padding:11px 13px;margin-bottom:16px;font-weight:600}.input-grid{gap:12px}.input-group label{font-size:10px;color:#68808a;font-weight:500;margin-bottom:5px}.input-group input[type=number]{font-size:12px;padding:7px 9px}.input-group input[type=file]{min-width:0;width:100%;background:#f7f9fa;border:1px dashed #c8d8dd;font-size:10px;padding:6px}.input-group input::file-selector-button{border:0;border-radius:4px;background:#e4ecef;color:#365461;padding:6px 8px;margin-right:7px;font-size:10px}.btn-undo,.btn-redo,.btn-clear,.btn-reset{background:#eff3f5;color:#566f7b;font-size:10px;font-weight:500;border:1px solid #dce6ea;border-radius:4px;padding:6px 8px}.btn-clear{color:#a35e5e}.readonly-box{background:#f0f6fa;border:1px solid #dce7ef;color:#53768c;font-size:12px;padding:8px;border-radius:5px}.warm-divider-subtle{background:#dbe5e8;opacity:1;margin:13px 0}.warm-divider{background:#dbe5e8;margin:22px 0}.transform-panel{background:#f6f8f9;border:1px solid #e4ebee;padding:12px;gap:10px;border-radius:6px}.transform-panel strong{font-size:10px;font-weight:600;color:#657e89}.transform-row{gap:9px}.transform-row label{font-size:10px;min-width:85px;color:#627a86;font-weight:500}.transform-row input[type=range]{width:40px;min-width:20px;height:5px}.transform-row span{font-size:10px;min-width:42px;color:#68818d;font-variant-numeric:tabular-nums}.transform-value{width:65px;padding:4px 6px!important;font-size:11px!important}.transform-note{font-size:9px;color:#7b8b91;line-height:1.5;margin:8px 0}.canvas-wrapper{border:1px solid #d6e0e4;border-radius:4px;background:#f7f9fa;margin:0;width:100%;overflow:hidden;position:relative}canvas{display:block;width:100%;height:auto;touch-action:none}.measure-toolbar{display:flex;align-items:center;gap:6px;margin:12px 0 8px;flex-wrap:wrap}.measure-toolbar button{font-size:10px;border:1px solid #dbe5e8;border-radius:4px;background:#fff;color:#6b808b;padding:6px 10px}.measure-toolbar button[aria-pressed=true]{background:#e1f1e9;color:#1c765d;border-color:#9fc6b4}.measure-toolbar select{margin-left:auto;padding:4px}.measure-readout{font-size:11px;color:#335d68;border:1px solid #e0e9ec;border-radius:4px;background:#f6f9fa;padding:9px 10px;min-height:38px;display:block;margin-top:8px;font-variant-numeric:tabular-nums}.coordinate-details{font-size:10px;color:#728892;margin-top:9px}.coordinate-grid{display:flex;gap:7px;align-items:end;flex-wrap:wrap;padding:8px 0}.coordinate-grid label{display:flex;flex-direction:column;gap:3px}.coordinate-grid input{width:65px;padding:4px}.coordinate-grid button{font-size:10px;padding:5px 8px;border:1px solid #cee1d7;background:#e9f3ee;border-radius:4px;color:#32735b}.dimension-error{font-size:10px;color:#a42b40;padding:4px 0}.input-group input[aria-invalid=true]{border-color:#c04758;background:#fff4f5}
 .module-results-container{overflow-x:auto;max-width:100%;margin-top:16px}.module-results-container table{min-width:460px}table{font-size:10px;color:#4e6977}th,td{border-color:#dce5e9;padding:8px 6px;line-height:1.5}th{font-size:9px;background:#eff4f6!important;color:#526d7a;font-weight:600}.total-row{background:#f3f7f8!important}.highlight-row{background:#e6f2ec!important;color:#22664f}.section-header-row{background:#e8eff2}.densidad-cell{border:1px solid #c4dfe7!important;box-shadow:none;text-shadow:none;background:#edf7fa!important;color:#3e6d80!important}.table-title{border-bottom:1px solid #dce5e9;background:#edf3f5;text-align:left;padding:14px 16px;font-weight:600;font-size:12px}.print-page-1{order:6;text-align:left;margin:25px 0 35px}.legacy-header{display:none}.results-heading{margin:0 0 22px}.results-container{background:#fff;overflow-x:auto;border:1px solid var(--border);border-radius:7px}.results-container>table{min-width:730px}.guide-summary{background:#e9f0f0;border:1px solid #dbe5e5;box-shadow:none;padding:22px;border-radius:7px;font-size:12px}.guide-summary h2{font-size:18px}.guide-summary p{margin:8px 0}.guide-summary ol{line-height:1.8}.operational-summary li{font-size:11px}.help-panel{order:7;display:grid;grid-template-columns:1fr 1.5fr;gap:25px 50px;padding:32px 0;border-top:1px solid var(--border)}.help-panel>div p{font-size:12px;color:#738991;max-width:350px;margin-top:10px}.help-panel ol{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.help-panel li strong{font-size:11px;font-weight:600}.help-panel li p{font-size:11px;line-height:1.7;color:#738991;margin-top:7px}.local-note{grid-column:1/-1;font-size:10px;color:#6f858d}.site-footer{order:8;padding:22px 0 30px;display:flex;justify-content:space-between;border-top:1px solid var(--border);font-size:10px;color:#8a9ca3}.site-footer span:first-child{font-weight:650;color:#54717b}.toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%);background:#163c34;color:#fff;padding:12px 18px;border-radius:6px;box-shadow:0 4px 20px #0002;z-index:100;font-size:12px;max-width:90vw}.skip-link{position:absolute;left:10px;top:-80px;background:#fff;padding:10px;z-index:100}.skip-link:focus{top:10px}
 @media(max-width:1000px){body{padding:0 20px}.parallel-container{gap:12px}.sample-module{padding:10px}.transform-row label{min-width:70px}.transform-row span{display:none}.transform-value{width:56px}.hero h1{font-size:35px}.input-grid{grid-template-columns:1fr}.input-grid>div{grid-column:auto!important}.help-panel{grid-template-columns:1fr}.help-panel>div p{max-width:100%}}
 @media(max-width:720px){body{padding:0 14px}.site-nav{min-height:72px}.brand{font-size:19px;gap:5px}.brand-mark{font-size:31px}.nav-links{display:none}.private-pill{font-size:9px;padding:5px 8px}.hero{grid-template-columns:1fr;padding:30px 0}.hero-diagram{display:none}.hero h1{font-size:35px}.hero-copy{font-size:12px}.hero-actions{gap:16px;flex-wrap:wrap}.workspace-heading{align-items:flex-start}.workspace-heading h2{font-size:22px}.workspace-heading p{font-size:11px}.status-pill{max-width:115px;text-align:center}.overview-strip{grid-template-columns:1fr 1fr}.overview-strip>div{padding:11px 13px;border-bottom:1px solid var(--border)}.overview-strip strong{font-size:14px}.overview-strip>div:nth-child(2){border-right:0}.overview-strip>div:last-child{border-top:1px solid var(--border)}.parallel-container{flex-direction:column;gap:20px}.sample-module{width:100%;padding:13px}.input-grid{grid-template-columns:1fr 1fr}.input-grid>div[style*='span 2']{grid-column:span 2!important}.transform-row span{display:block}.global-bar{padding:13px}.global-bar .mode-selector{gap:9px}.global-bar .mode-selector>span{width:100%}.global-bar .mode-selector label{width:46%;font-size:10px}.global-bar .type-selector{margin-left:0!important}.project-actions{flex-wrap:wrap;gap:5px}.btn-project{font-size:10px;padding:7px 9px}.help-panel ol{grid-template-columns:1fr;gap:16px}.site-footer{gap:15px;flex-wrap:wrap}}
}
@media screen{
 .parallel-container{flex-wrap:wrap}
 .canvas-wrapper{display:block;height:auto;max-height:none}
 .canvas-wrapper canvas{display:block;width:100%;height:auto;border:0;border-radius:0}
 .workspace-view-controls{flex:0 0 100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 14px;border:1px solid #d6e2e6;border-radius:7px;background:#fff}
 .workspace-view-controls strong{font-size:12px;display:block;color:#315766}
 .workspace-view-controls span{font-size:10px;color:#78909a}
 .workspace-view-buttons{display:flex;gap:6px;flex-wrap:wrap}
 .workspace-view-buttons button{background:#fff;color:#5a7581;border:1px solid #cfdee4;padding:7px 10px;border-radius:4px;font-size:11px}
 .workspace-view-buttons button[aria-pressed=true]{background:#e3f1ea;border-color:#9ecbb8;color:#23674f}
 .workspace-view-buttons .expand-workspace{background:#244c59;color:#fff;border-color:#244c59}
 .sample-module[hidden]{display:none!important}
 .parallel-container[data-view=mc] .sample-module,.parallel-container[data-view=md] .sample-module{max-width:1100px;margin-inline:auto;flex-basis:100%}
 body.workspace-expanded{overflow:hidden}
 .parallel-container.is-expanded{position:fixed;z-index:80;inset:0;width:100vw;height:100dvh;max-width:none;margin:0;padding:10px 18px 28px;overflow:auto;background:#edf2f4;align-content:start;gap:12px}
 .is-expanded .workspace-view-controls{position:sticky;top:-10px;z-index:5;min-height:59px;box-shadow:0 2px 8px #163d4912}
 .is-expanded .sample-module{padding:10px;flex-basis:calc(50% - 12px)}
 .is-expanded .module-badge{margin-bottom:9px;padding:9px 11px}
 .is-expanded .sample-main-page>.warm-divider-subtle{display:none}
 .is-expanded .sample-desc-page,.is-expanded .sample-main-page>.module-results-container{display:none}
 @media(max-width:720px){.workspace-view-controls{flex-direction:column;align-items:flex-start}.workspace-view-buttons button{font-size:10px;padding:6px 8px}.parallel-container.is-expanded{display:block;padding:8px}.is-expanded .workspace-view-controls{top:-8px;margin-bottom:10px}.is-expanded .sample-module{margin-bottom:14px}.workspace-view-controls>div>span{display:none}}
 .measure-actions{display:flex;align-items:center;flex-wrap:wrap;gap:7px;margin:0 0 9px}
 .measure-actions button{font-size:10px;border:1px solid #d2e1e5;border-radius:4px;padding:6px 9px;background:#fff;color:#54717c}
 .measure-actions .finish-measure{background:#e7f3ed;border-color:#b7d4c6;color:#236a53;font-weight:600}
 .measure-actions span{font-size:9px;color:#81939b}
 .measure-readout{line-height:1.65}
 .coordinate-details>p{margin:8px 0;font-size:10px}
 .vertex-list{list-style:none;margin:8px 0;padding:0;display:grid;gap:6px;max-height:240px;overflow:auto}
 .vertex-list li{display:flex;align-items:center;gap:8px;background:#f2f6f7;border-radius:4px;padding:6px 8px}
 .vertex-list strong{min-width:28px;color:#a4335c;font-size:10px}
 .vertex-list label{display:flex;align-items:center;gap:4px;font-size:10px}
 .vertex-list input{width:78px;padding:4px}
 .vertex-list button{border:0;background:transparent;color:#a64d60;font-size:17px;margin-left:auto}
 .measure-segments{margin-top:8px!important;min-width:0!important;font-size:10px}
 .measure-segments th,.measure-segments td{padding:5px 8px;text-align:left}
 .measure-segments th{font-size:10px}
 @media(max-width:450px){.vertex-list input{width:67px}.vertex-list li{gap:5px}.vertex-list label{gap:2px}}
}
@media print{.site-nav,.hero,.workspace-heading,.overview-strip,.measure-toolbar,.measure-actions,.coordinate-details,.help-panel,.site-footer,.toast,.skip-link,.transform-note,.results-heading,.workspace-view-controls{display:none!important}.sample-module[hidden]{display:block!important}.measure-readout{font:10px Arial;padding:6px}}

/* Primary prototype tools stay visible above each sample, including wide view. */
@media screen {
 .sample-actions{display:flex;flex-wrap:wrap;gap:5px}
 .sample-actions button{font-size:11px;padding:7px 9px}
 .transform-panel>div:first-child{gap:8px;flex-wrap:wrap}
 .transform-panel strong{font-size:12px;color:#315766}
 .transform-row input[type=range]{flex:1;min-width:30px}
}