:root{
  --blue:#13265c;--blue2:#1d3a8a;--cobalt:#2f55c4;--gold:#c9962b;--gold2:#e2b54a;
  --paper:#f7f3ea;--white:#fdfbf6;--ink:#141414;--mute:#4f5463;--err:#a3231a;
  --line:2px solid var(--ink);
  --serif:"Iowan Old Style","Palatino Linotype",Palatino,Georgia,serif;
  --sans:"Avenir Next","Segoe UI",system-ui,-apple-system,sans-serif;
  --mono:ui-monospace,"SF Mono",Menlo,Consolas,monospace;
}
*{box-sizing:border-box}
html,body{margin:0}
body{background:var(--paper);color:var(--ink);font-family:var(--sans);line-height:1.5;min-height:100dvh;display:flex;flex-direction:column}
.skip{position:absolute;left:-999px;top:0;background:var(--gold);color:var(--ink);padding:.5rem 1rem;z-index:9}
.skip:focus{left:0}
:focus-visible{outline:3px solid var(--cobalt);outline-offset:3px}
.bar{display:flex;align-items:center;gap:1rem;padding:.9rem clamp(1rem,4vw,3rem);border-bottom:var(--line);background:var(--white)}
.mark{display:grid;grid-template-columns:14px 8px;grid-template-rows:8px 14px;gap:2px;background:var(--ink);border:2px solid var(--ink)}
.mark i{display:block;background:var(--white)}.mark i:nth-child(1){background:var(--blue)}.mark i:nth-child(3){background:var(--gold);grid-column:1/3}
.brand{font-size:.78rem;letter-spacing:.18em;text-transform:uppercase;font-weight:700}
.brand b{font-weight:400;color:var(--mute)}
.ver{margin-left:auto;font-family:var(--mono);font-size:.72rem;color:var(--mute)}
.warn{background:#fff1d6;border-bottom:var(--line);padding:.8rem clamp(1rem,4vw,3rem);font-size:.9rem}
main{flex:1;outline:none;min-width:0}
.door-main,.door-art,.door-steps,.panel,.rail,.wc-main,.card{min-width:0}
.foot{border-top:var(--line);background:var(--white);padding:1rem clamp(1rem,4vw,3rem);font-size:.8rem;color:var(--mute)}
.foot p{max-width:70ch;margin:0}

/* Front door */
.door{display:grid;grid-template-columns:1.6fr 1fr;grid-template-rows:auto auto;border-bottom:var(--line);min-height:calc(100dvh - 160px)}
.door-main{padding:clamp(2rem,6vw,5rem);border-right:var(--line);display:flex;flex-direction:column;justify-content:center;background:var(--white)}
.kicker{font-size:.74rem;letter-spacing:.24em;text-transform:uppercase;font-weight:700;color:var(--blue2);margin:0 0 1rem}
.door h1{font-family:var(--serif);font-weight:400;font-size:clamp(3rem,9vw,7.2rem);line-height:.92;letter-spacing:-.02em;margin:0 0 1.5rem;color:var(--blue)}
.door .lede{font-size:clamp(1.1rem,2vw,1.4rem);max-width:30ch;margin:0 0 2.2rem}
.actions{display:flex;flex-wrap:wrap;gap:.8rem;align-items:center}
.note{font-size:.85rem;color:var(--mute);margin-top:1.2rem}
.door-art{display:grid;grid-template-rows:2.2fr 1fr .6fr;grid-template-columns:1fr .45fr}
.door-art div{border-bottom:var(--line)}
.a1{background:var(--blue);grid-column:1/3;border-bottom:var(--line);position:relative}
.a1::after{content:"";position:absolute;right:18%;bottom:-2px;width:22%;height:38%;background:var(--gold);border:var(--line);border-bottom:none}
.a2{background:var(--paper);border-right:var(--line)}
.a3{background:var(--cobalt)}
.a4{background:var(--white);border-right:var(--line);border-bottom:none!important}
.a5{background:var(--gold);border-bottom:none!important}
.door-steps{grid-column:1/3;display:grid;grid-template-columns:repeat(8,1fr);border-top:none}
.door-steps li{list-style:none;padding:.8rem .7rem;border-right:1px solid var(--ink);font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;font-family:var(--mono)}
.door-steps li:last-child{border-right:none}
.door-steps ol{display:contents}

/* Buttons */
.btn{font:inherit;font-weight:700;font-size:.82rem;letter-spacing:.16em;text-transform:uppercase;padding:.95rem 1.5rem;border:var(--line);background:var(--white);color:var(--ink);cursor:pointer;min-height:48px;transition:transform .15s ease,background .15s}
.btn:hover{transform:translate(-2px,-2px);box-shadow:4px 4px 0 var(--ink)}
.btn.primary{background:var(--blue);color:var(--white)}
.btn.gold{background:var(--gold2)}
.btn.ghost{border-color:transparent;background:transparent;text-decoration:underline;padding-inline:.4rem}
.btn.ghost:hover{box-shadow:none;transform:none}
.btn.danger{background:var(--white);color:var(--err);border-color:var(--err)}
.btn[aria-pressed="true"]{background:var(--blue);color:var(--white)}

/* Stage layout */
.stage{display:grid;grid-template-columns:240px 1fr 120px;min-height:calc(100dvh - 160px)}
.rail{border-right:var(--line);background:var(--white);padding:1.5rem 0}
.rail ol{list-style:none;margin:0;padding:0}
.rail li{display:flex;gap:.7rem;align-items:center;padding:.55rem 1.4rem;font-size:.8rem;letter-spacing:.06em;text-transform:uppercase;color:var(--mute)}
.rail li .n{font-family:var(--mono);flex:0 0 2.75rem;width:2.75rem;white-space:nowrap}
.rail li.done{color:var(--ink)}
.rail li.done .n::after{content:"";display:inline-block;width:7px;height:7px;background:var(--gold);margin-left:.35rem;vertical-align:middle}
.rail li.cur{background:var(--blue);color:var(--white);font-weight:700}
.rail button{all:unset;cursor:pointer;display:flex;gap:.7rem;width:100%}
.rail button:focus-visible{outline:3px solid var(--cobalt)}
.panel{padding:clamp(1.5rem,5vw,4.5rem);max-width:820px;width:100%}
.side{border-left:var(--line);display:grid;grid-template-rows:1fr 90px 2fr}
.side div:nth-child(1){background:var(--paper)}
.side div:nth-child(2){background:var(--gold);border-block:var(--line)}
.side div:nth-child(3){background:var(--blue)}
.stage-num{font-family:var(--mono);font-size:.8rem;color:var(--blue2);letter-spacing:.1em}
.panel h2{font-family:var(--serif);font-weight:400;font-size:clamp(2.2rem,5vw,3.8rem);line-height:1;margin:.4rem 0 .8rem;color:var(--blue)}
.panel .sub{font-size:1.05rem;max-width:56ch;margin:0 0 2rem;color:#2a2d36}
.sample-flag{display:inline-block;font-family:var(--mono);font-size:.72rem;border:1px solid var(--ink);background:var(--gold2);padding:.2rem .5rem;margin-bottom:1rem}
.field{margin-bottom:1.6rem}
.field label,.field legend{display:block;font-weight:700;font-size:.95rem;margin-bottom:.35rem}
.hint{display:block;font-size:.85rem;color:var(--mute);margin-bottom:.5rem}
textarea,input[type=text]{width:100%;font:inherit;font-size:1.05rem;padding:.85rem 1rem;border:var(--line);background:var(--white);color:var(--ink);border-radius:0}
textarea{min-height:140px;resize:vertical}
textarea:focus,input:focus{outline:3px solid var(--cobalt);outline-offset:0}
[aria-invalid=true]{border-color:var(--err)}
.error{color:var(--err);font-size:.88rem;font-weight:600;margin-top:.4rem}
.substep{font-family:var(--mono);font-size:.75rem;color:var(--mute);margin-bottom:.6rem}
.nav{display:flex;gap:.8rem;flex-wrap:wrap;align-items:center;margin-top:2rem;padding-top:1.5rem;border-top:1px solid var(--ink)}
.nav .spacer{flex:1}
.stage-decision .panel{padding-block:2rem}
.stage-decision .stage-num{margin:0 0 .25rem}
.stage-decision .panel h2{margin:.15rem 0 .45rem}
.stage-decision .panel .sub{margin-bottom:1rem}
.stage-decision .field{margin-bottom:.65rem}
.stage-decision .field .hint{margin-bottom:.25rem}
.stage-decision textarea{min-height:5.5rem}
.stage-decision .field .error{margin:0}
.stage-decision .nav{margin-top:1rem;padding-top:.75rem}
fieldset{border:0;padding:0;margin:0 0 1.6rem}
.choice{display:grid;grid-template-columns:repeat(3,1fr);border:var(--line)}
.choice label{position:relative;cursor:pointer;padding:1.2rem 1rem;border-right:var(--line);background:var(--white);font-weight:400;margin:0}
.choice label:last-child{border-right:none}
.choice input{position:absolute;opacity:0}
.choice strong{display:block;font-size:1.2rem;letter-spacing:.14em}
.choice span{font-size:.82rem;color:var(--mute)}
.choice label:has(input:checked){background:var(--blue);color:var(--white)}
.choice label:has(input:checked) span{color:#d6dcef}
.choice label:has(input:focus-visible){outline:3px solid var(--gold);outline-offset:-6px}
.obs-toggle{display:flex;gap:.6rem;align-items:flex-start;padding:1rem;border:var(--line);background:var(--white);margin-bottom:1.2rem;cursor:pointer}
.obs-toggle input{width:20px;height:20px;margin-top:.15rem;accent-color:var(--blue)}
.callout{border-left:6px solid var(--gold);padding:.6rem 1rem;background:var(--white);font-size:.9rem;margin-bottom:1.5rem}

/* Arcana */
.demo-label{display:inline-block;font-family:var(--mono);font-size:.72rem;padding:.25rem .55rem;border:1px solid var(--ink);background:var(--paper);margin-bottom:1.2rem}
.cards{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem;margin-bottom:1.5rem}
.card{border:var(--line);background:var(--white);display:grid;grid-template-rows:auto auto 1fr auto;min-width:0}
.card-picker{padding:1rem 1.1rem;border-bottom:1px solid var(--ink);min-width:0}
.card-picker label{display:block;font-family:var(--mono);font-size:.75rem;margin-bottom:.5rem}
.card-picker select{width:100%;min-width:0;min-height:44px;padding:.6rem;border:var(--line);border-radius:0;background:var(--paper);color:var(--ink);font:inherit}
.card-head{display:grid;grid-template-columns:1fr 64px;border-bottom:var(--line)}
.card-head h3{margin:0;padding:1rem;font-family:var(--serif);font-weight:400;font-size:1.6rem;color:var(--blue)}
.card-head .chip{border-left:var(--line);background:var(--gold)}
.card.dir .card-head .chip{background:var(--cobalt)}
.card-body{padding:1rem 1.1rem}
.card-body dt{font-family:var(--mono);font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;color:var(--mute);margin-top:.8rem}
.card-body dd{margin:.2rem 0 0}
.card-foot{display:grid;grid-template-columns:1fr 1fr;border-top:var(--line)}
.card-foot .btn{border:none;border-right:var(--line)}
.card-foot .btn:last-child{border-right:none}
.card-foot .btn:hover{box-shadow:none;transform:none;background:var(--paper)}
.card-foot .btn[aria-pressed=true]{background:var(--blue);color:var(--white)}
.card-state{font-size:.82rem;padding:.4rem 1.1rem;border-top:1px solid var(--ink);font-family:var(--mono)}

/* White card */
.wc-wrap{padding:clamp(1rem,4vw,3rem);display:flex;flex-direction:column;align-items:center}
.wc{background:var(--white);border:var(--line);max-width:760px;width:100%;display:grid;grid-template-columns:1fr 90px;box-shadow:10px 10px 0 var(--blue)}
.wc-main{padding:clamp(1.3rem,4vw,2.6rem);border-right:var(--line)}
.wc-side{display:grid;grid-template-rows:2fr 60px 1fr}
.wc-side div:nth-child(1){background:var(--blue)}.wc-side div:nth-child(2){background:var(--gold);border-block:var(--line)}.wc-side div:nth-child(3){background:var(--paper)}
.wc h2{font-family:var(--serif);font-weight:400;font-size:2.4rem;margin:0 0 .3rem;color:var(--blue)}
.wc .verdict{display:inline-block;font-weight:800;letter-spacing:.2em;padding:.35rem .8rem;background:var(--blue);color:var(--white);margin:.6rem 0 1rem}
.wc dl{margin:0}
.wc dt{font-family:var(--mono);font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:var(--mute);border-top:1px solid var(--ink);padding-top:.7rem;margin-top:.9rem}
.wc dd{margin:.25rem 0 0;white-space:pre-wrap;overflow-wrap:anywhere}
.wc .none{color:var(--mute);font-style:italic}
.wc-actions{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:2rem;justify-content:center}
.revise-list{display:flex;flex-wrap:wrap;gap:.4rem;margin-top:1rem;justify-content:center}
.revise-list .btn{font-size:.7rem;padding:.5rem .8rem;min-height:40px}

dialog{border:var(--line);padding:0;max-width:480px;width:calc(100% - 2rem);background:var(--white)}
dialog::backdrop{background:rgba(19,38,92,.55)}
.dlg{padding:1.6rem}
.dlg h2{font-family:var(--serif);font-weight:400;margin:0 0 .6rem;color:var(--blue)}
.status{font-family:var(--mono);font-size:.8rem;margin-top:.8rem;min-height:1.2em}

.fade{animation:in .35s ease both}
@keyframes in{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

@media (max-width:900px){
  .stage{grid-template-columns:minmax(0,1fr)}
  .side{display:none}
  .rail{border-right:none;border-bottom:var(--line);padding:0;overflow-x:auto}
  .rail ol{display:flex}
  .rail li{padding:.6rem .8rem;white-space:nowrap}
  .rail li .lbl{display:none}
  .rail li.cur .lbl{display:inline}
  .door{grid-template-columns:minmax(0,1fr)}
  .door-main{border-right:none;border-bottom:var(--line)}
  .door-art{min-height:220px}
  .door-steps{grid-column:1;grid-template-columns:repeat(4,minmax(0,1fr))}
  .door-steps li{overflow-wrap:anywhere}
  .door-steps li:nth-child(4){border-right:none}
  .door-steps li:nth-child(-n+4){border-bottom:1px solid var(--ink)}
  .cards{grid-template-columns:1fr}
  .choice{grid-template-columns:1fr}
  .choice label{border-right:none;border-bottom:var(--line)}
  .choice label:last-child{border-bottom:none}
  .wc{grid-template-columns:1fr}
  .wc-main{border-right:none}
  .wc-side{grid-template-rows:none;grid-template-columns:2fr 60px 1fr;height:40px;border-top:var(--line)}
  .wc-side div:nth-child(2){border-block:none;border-inline:var(--line)}
}
@media (max-width:480px){
  .bar{flex-wrap:wrap;gap:.6rem}
  .mark{flex-shrink:0}
  .brand{flex:1;min-width:0;overflow-wrap:anywhere}
  .ver{flex-basis:100%;margin-left:0}
  .btn{max-width:100%;overflow-wrap:anywhere}
  .cards{grid-template-columns:minmax(0,1fr)}
}