:root{--ink:#15233b;--muted:#526079;--paper:#f7f6f2;--blue:#245de2;--red:#cc3445;--line:#dce1e9;--radius:22px;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;color:var(--ink);background:#101c31}*{box-sizing:border-box}body{margin:0;background:radial-gradient(ellipse at 10% 5%,#22477980,transparent 55%),radial-gradient(ellipse at 95% 60%,#b72b4038,transparent 55%),#101c31;color:#f4f6fb;line-height:1.6}a{color:inherit;text-underline-offset:4px}button,input,select,textarea{font:inherit}button,a,input,select,textarea{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:default;opacity:.45}:focus-visible{outline:3px solid #efa745;outline-offset:4px}[hidden]{display:none!important}.skip{position:absolute;left:20px;top:-100px}.skip:focus{top:10px;z-index:100;background:#fff;color:var(--ink);padding:10px}header.nav{max-width:1180px;margin:auto;padding:25px 30px;display:flex;justify-content:space-between;align-items:center;gap:20px}.brand{text-decoration:none;display:flex;align-items:center;gap:12px;font-size:23px;font-weight:800;letter-spacing:-1px}.brand-symbol{display:flex;gap:5px}.brand-symbol i{width:13px;height:25px;border-radius:10px;background:#4c8bff;transform:rotate(25deg)}.brand-symbol i:last-child{background:#fb6371}.nav-links{display:flex;gap:24px;font-size:14px}.nav-links a{text-decoration:none;color:#cfdae9}.nav-links a:hover{color:white}.wrap{max-width:1120px;margin:auto;padding:0 30px}.hero{padding:72px 0 86px;display:grid;grid-template-columns:1.15fr .85fr;gap:64px;align-items:center}.eyebrow{text-transform:uppercase;font-size:11px;letter-spacing:2.5px;font-weight:700;color:#b7c9e8}.hero h1{font-size:clamp(42px,6.2vw,76px);line-height:1.08;letter-spacing:-3px;margin:23px 0}.hero h1 em{font-style:normal;color:#90baff}.lead{font-size:19px;max-width:540px;color:#d0dbed;line-height:1.7}.actions{display:flex;gap:12px;flex-wrap:wrap;margin:28px 0}.button{display:inline-flex;justify-content:center;align-items:center;gap:8px;min-height:48px;border:1px solid transparent;border-radius:12px;padding:12px 21px;background:var(--blue);color:#fff;font-weight:650;font-size:14px;text-decoration:none}.button.light{background:#fff;color:#183565}.button.secondary{background:transparent;border-color:#647591;color:inherit}.button.danger{background:#9f2737}.small{font-size:13px}.muted{color:var(--muted)}.hero .small{color:#9cacc5}.panel{background:var(--paper);border:1px solid #ffffff14;color:var(--ink);border-radius:var(--radius);padding:30px;box-shadow:0 16px 55px #00000012}.demo{position:relative}.demo-top{display:flex;align-items:center;justify-content:space-between;font-size:11px;letter-spacing:1px;text-transform:uppercase;font-weight:700;color:var(--muted)}.dots{display:flex;gap:5px}.dots i{height:5px;width:5px;background:#a7b4c7;border-radius:50%}.demo h2{font-size:26px;line-height:1.25;letter-spacing:-.7px;margin:26px 0 20px}.sequence{display:grid;grid-template-columns:repeat(10,1fr);gap:6px;margin:16px 0}.sequence span{height:27px;border-radius:5px;background:#245de2;color:white;text-align:center;font-size:11px;display:grid;place-items:center}.sequence span.red{background:#cc3445}.sequence span.missing{background:#dce1e9;color:#53617a}.demo-stats{display:flex;gap:22px;border-top:1px solid var(--line);padding-top:16px;margin-top:20px}.demo-stats strong{font-size:24px;display:block;line-height:1.2}.demo-stats small{font-size:11px;color:var(--muted)}.switches{display:flex;gap:8px;margin-top:24px}.switches button{border:1px solid var(--line);background:#fff;border-radius:8px;padding:9px 14px;font-size:12px;color:var(--ink)}.switches button[aria-pressed=true]{background:#19365c;color:#fff}.section{padding:65px 0;border-top:1px solid #ffffff20}.section h2{font-size:clamp(28px,4vw,42px);letter-spacing:-1.3px;line-height:1.2;margin:15px 0 22px}.section p{max-width:780px;color:#cfdaea}.three{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:30px}.three .panel{padding:27px}.number{font-family:ui-monospace,monospace;color:#8a96a9;font-size:13px}.panel h3{font-size:21px;line-height:1.3;margin:16px 0 10px}.panel p{color:var(--muted);font-size:14px}.history{display:grid;grid-template-columns:.65fr 1.35fr;gap:70px}.timeline{border-left:1px solid #5c7291;padding-left:28px}.timeline article{margin-bottom:30px}.timeline strong{color:#92b9ef;font-size:13px}.timeline h3{font-size:20px;margin:4px 0}.timeline p{font-size:15px;margin:0}.method-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.method-grid details{background:#ffffff07;border:1px solid #ffffff22;border-radius:13px;padding:18px}.method-grid summary{cursor:pointer;font-weight:650}.method-grid p{font-size:14px}.closing{padding:30px 0 75px;text-align:center}.closing p{color:#ced8e8}.footer{max-width:1120px;margin:auto;padding:25px 30px;display:flex;justify-content:space-between;gap:20px;color:#a9b9d0;font-size:12px;border-top:1px solid #ffffff20}.app-wrap{max-width:950px;margin:25px auto 75px;padding:0 24px}.app-heading{margin-bottom:25px}.app-heading h1{font-size:38px;letter-spacing:-1px;line-height:1.2;margin:12px 0}.app-heading p{color:#c3d0e6;max-width:650px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.field{display:flex;flex-direction:column;gap:6px;font-size:13px;font-weight:650}.field.full{grid-column:1/-1}.field input,.field select,.field textarea{width:100%;background:#fff;color:var(--ink);border:1px solid #c4cedb;border-radius:9px;padding:11px;min-height:46px}.field textarea{resize:vertical;min-height:80px}.check{display:flex;gap:10px;align-items:flex-start;font-size:13px;margin:14px 0}.check input{margin-top:5px;accent-color:var(--blue);flex-shrink:0}.chips{display:flex;gap:10px;flex-wrap:wrap}.chips .check{margin:0;border:1px solid #c7d1de;border-radius:8px;padding:8px;background:#fff}.callout{padding:16px 18px;border-radius:12px;background:#e9effa;font-size:14px;color:#324d73;margin:20px 0}.form-divider{border:0;border-top:1px solid var(--line);margin:26px 0}.test-panel{text-align:center;max-width:740px;margin:0 auto;padding:38px}.test-panel h2{font-size:31px;letter-spacing:-1px;margin:12px 0}.test-panel p{max-width:560px;margin:15px auto;color:var(--muted)}.test-label{font-size:11px;letter-spacing:1.5px;text-transform:uppercase;color:var(--muted);font-weight:700}.trial-progress{height:5px;border-radius:5px;background:#d8e1ee;overflow:hidden;margin:22px 0}.trial-progress>div{height:100%;background:#224e99}.choice-area{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin:25px auto;width:min(100%,450px);min-height:160px}.choice{height:160px;border:0;border-radius:20px;color:#fff;background:var(--blue);font-size:23px;font-weight:700;box-shadow:0 10px 20px #1536631c}.choice.red{background:var(--red)}.choice:disabled{opacity:1;background:#d8e0eb;color:#75829a;box-shadow:none}.choice small{display:block;font-size:11px;font-weight:400;opacity:.8;margin-top:12px}.deadline{height:8px;border-radius:5px;background:#dce1e9;overflow:hidden;margin:16px auto;width:min(100%,450px)}.deadline>div{height:100%;background:#cc3445;transform-origin:left}.status{min-height:25px;font-size:13px;color:var(--muted)}.post-condition{padding:18px 0;border-top:1px solid var(--line)}.post-condition h3{margin:12px 0}.results-intro h2{font-size:32px;line-height:1.2;letter-spacing:-1px;margin-top:0}.table-scroll{overflow:auto}.comparison{width:100%;border-collapse:collapse;font-size:13px;white-space:nowrap}.comparison th,.comparison td{text-align:left;border-bottom:1px solid var(--line);padding:14px 12px}.comparison th{font-weight:650;color:var(--muted)}.result-card{margin:20px 0}.result-head{display:flex;justify-content:space-between;align-items:baseline}.result-head h3{font-size:25px;margin:0}.result-card .sequence{grid-template-columns:repeat(20,1fr);gap:5px}.result-card .sequence span{height:25px}.result-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;padding:15px 0}.result-metrics strong{font-size:25px;display:block}.result-metrics span{color:var(--muted);font-size:12px}.advanced{margin-top:18px;border-top:1px solid var(--line);padding-top:15px}.advanced summary{cursor:pointer;font-size:13px;font-weight:650}.advanced dl{display:grid;grid-template-columns:1fr 1fr;gap:10px;font-size:13px}.advanced dd{margin:0;text-align:right}.notice{padding:12px 14px;background:#fff0dc;color:#785118;font-size:13px;border-radius:9px}.badge{font-size:11px;background:#e3eaf5;color:#335072;border-radius:25px;padding:5px 10px}.archive-list{display:flex;flex-direction:column;gap:10px}.archive-list button{background:#fff;border:1px solid var(--line);padding:15px;border-radius:10px;text-align:left;color:var(--ink)}.error{color:#9a2738;font-size:14px}.print-only{display:none}@media(max-width:760px){header.nav{padding:20px}.wrap{padding:0 22px}.nav-links{gap:14px;font-size:12px}.hero{grid-template-columns:1fr;gap:35px;padding:40px 0 55px}.hero h1{letter-spacing:-1.8px}.demo{transform:none}.lead{font-size:17px}.three,.history,.method-grid{grid-template-columns:1fr}.history{gap:20px}.section{padding:45px 0}.form-grid{grid-template-columns:1fr}.field.full{grid-column:auto}.panel{padding:23px}.app-heading h1{font-size:32px}.test-panel{padding:25px 20px}.choice{height:145px}.choice-area{gap:14px;min-height:145px}.result-card .sequence{grid-template-columns:repeat(10,1fr)}.result-metrics{grid-template-columns:1fr 1fr}.footer{flex-direction:column;gap:5px}.advanced dl{grid-template-columns:1fr}.advanced dd{text-align:left}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}@media print{body{background:white;color:#15233b}.nav,.actions,.export-panel,.footer,.skip{display:none!important}.panel{box-shadow:none;break-inside:avoid;border:1px solid #ccc}.app-wrap{max-width:none;margin:0;padding:0}.app-heading p{color:#526079}.print-only{display:block}.result-card .sequence span{print-color-adjust:exact;-webkit-print-color-adjust:exact}}

/* Results: visual summary first, details on demand. */
.result-overview{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.overview-card{padding:24px}.overview-card h2{font-size:21px;margin:0 0 24px}.color-balance{display:flex;height:16px;overflow:hidden;border-radius:20px;gap:3px}.color-balance span{min-width:0}.balance-blue{background:#4c8bff}.balance-red{background:#ff687d}.balance-missing{background:#758097}.balance-labels{display:flex;justify-content:space-between;font-size:13px;margin-top:10px;color:var(--muted)}.overview-reading{min-height:54px;font-size:16px;line-height:1.5}.overview-numbers{display:grid;grid-template-columns:1fr 1fr;gap:12px;border-top:1px solid var(--line);padding-top:18px}.overview-numbers strong{display:block;font-size:27px;line-height:1.2}.overview-numbers span{display:block;font-size:12px;color:var(--muted);margin-top:8px;line-height:1.5}.result-boundary{font-size:13px;color:var(--muted);margin:20px 0 30px;line-height:1.6}.results-intro>summary,.result-card>summary,.export-options>summary{cursor:pointer;font-weight:700;padding:4px 0;line-height:1.5}.results-intro[open]>summary,.result-card[open]>summary{margin-bottom:22px}.condition-detail .result-head{margin-top:8px}.export-options{border-top:1px solid var(--line);margin:24px 0;padding-top:18px}.method-link{display:inline-block;margin-top:20px;font-size:13px}.export-panel h2{font-size:24px}.export-panel #collectionControls{margin-top:24px}.export-panel #shareStatus:empty{display:none}@media(max-width:760px){.result-overview{grid-template-columns:1fr}.overview-reading{min-height:0}.overview-card h2{margin-bottom:18px}.overview-card{padding:23px}.overview-numbers{grid-template-columns:1fr 1fr}.export-panel .actions .button{flex:1 1 170px;text-align:center}}@media print{.result-overview{grid-template-columns:repeat(3,1fr)}.color-balance span{print-color-adjust:exact;-webkit-print-color-adjust:exact}}

/* Visible choices, following KappaLink's pre-service interaction. */
.option-field{border:0;margin:0;padding:0;min-width:0}.option-field legend{margin-bottom:12px;font-weight:600}.option-buttons,.chips{display:flex;flex-wrap:wrap;gap:9px}.option-button{position:relative;display:inline-flex;cursor:pointer;max-width:100%}.option-button input{position:absolute;width:1px;height:1px;opacity:0;margin:0}.option-button span{display:flex;align-items:center;justify-content:center;min-height:44px;padding:10px 15px;border:1px solid var(--line);border-radius:12px;background:rgba(255,255,255,.035);color:var(--muted);font-size:14px;line-height:1.4;transition:background .15s,border-color .15s,color .15s}.option-button input:checked+span{background:rgba(76,139,255,.18);border-color:#79a6ff;color:#f2f6ff;box-shadow:inset 0 0 0 1px #79a6ff}.option-button:hover span{border-color:#79a6ff}.option-button input:focus-visible+span{outline:3px solid #a7c5ff;outline-offset:3px}.extra-context>summary{cursor:pointer;font-weight:600;line-height:1.5}.extra-context[open]>summary{margin-bottom:18px}.extra-context>.field{margin-top:16px}.post-condition .form-grid{grid-template-columns:1fr}.post-condition .option-buttons{gap:10px}@media(max-width:760px){.option-buttons .option-button{flex:1 1 auto}.option-button span{width:100%}.option-field{margin-bottom:8px}}

/* Keep supporting text readable on each surface. */
.app-wrap>.muted,.result-boundary{color:#c3d0e6}
.panel .option-button input:checked+span{background:#dce8fc;border-color:#245de2;color:#183565;box-shadow:inset 0 0 0 1px #245de2}
.panel .option-button input:focus-visible+span{outline-color:#245de2}
.panel .notice{color:#785118}
@media print{.app-wrap>.muted,.result-boundary{color:#526079}}