/* Layout: one pixel world. White page, ink-outlined pixel cards with hard shadows (same language as the characters), a square arcade-style action key between them, chat log below, synced 3-step explainer. */
:root{
  --bg:#ffffff; --bg-2:#f5f4f8; --bg-3:#ebe9f1;
  --ink:#16131d; --mut:#625e6e; --soft:#6f6b7b;
  --line:#16131d;
  --sol:#7a3cf0; --sol-2:#9a6bff; --mint:#16d892; --mint-ink:#063d2a;
  --you:#7a3cf0; --them:#e2453a;
  --paper-2:#f5f4f8;
  --t-rugged:#776d60; --t-rugged-bg:#ece7df;
  --t-trencher:#3a68d4; --t-trencher-bg:#e2ebfc;
  --t-degen:#7a3cf0; --t-degen-bg:#ece4ff;
  --t-whale:#b35a08; --t-whale-bg:#ffe9d0;
  --t-kingpin:#8a6400; --t-kingpin-bg:#fff1b8;
  --px:"Pixelify Sans","Silkscreen",ui-monospace,Menlo,monospace;
  --ease:cubic-bezier(.22,1,.36,1);
  --dur:.45s;
  --r:12px;
  color-scheme:light;
}
html,body{background:var(--bg);color:var(--ink)}
body{font-family:var(--px);font-size:15px;line-height:1.45;min-height:100%;
  padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px));overflow-x:hidden}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:10;background:var(--bg)}
button,input{font:inherit;color:inherit}
button{cursor:pointer}
:focus-visible{outline:3px solid var(--sol);outline-offset:3px}
.px-box{border:3px solid var(--line);border-radius:var(--r);box-shadow:4px 4px 0 var(--line);background:#fff}

/* header */
.bar{position:sticky;top:env(safe-area-inset-top,0px);z-index:5;max-width:1000px;margin:0 auto;
  display:flex;align-items:center;gap:12px;padding-block:14px;background:var(--bg)}
.brand{display:flex;align-items:center;gap:9px;text-decoration:none;color:var(--ink);font-weight:700;font-size:20px;letter-spacing:.01em}
.brand svg{width:24px;height:24px}
.online{font-size:14px;font-weight:600;color:var(--ink);display:flex;align-items:center;gap:7px;padding:4px 10px;border:2px solid var(--bg-3);border-radius:8px}
.online i{width:8px;height:8px;background:var(--mint);box-shadow:0 0 0 2px var(--mint-ink)}
.actions{margin-left:auto;display:flex;gap:10px}
.btn{border:3px solid var(--line);border-radius:10px;padding:7px 13px;font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:8px;background:#fff;
  box-shadow:3px 3px 0 var(--line);transition:transform .15s steps(2),box-shadow .15s steps(2),background .2s;white-space:nowrap}
.btn:hover{transform:translate(-1px,-1px);box-shadow:4px 4px 0 var(--line)}
.btn:active{transform:translate(3px,3px);box-shadow:0 0 0 var(--line)}
.btn.solid{background:var(--ink);color:#fff}
.btn[disabled]{opacity:.35;cursor:not-allowed;transform:none;box-shadow:3px 3px 0 var(--line)}
.wpill .tdot{width:10px;height:10px;background:var(--tc,var(--t-rugged));box-shadow:0 0 0 2px #fff}
.wpill .addr{color:rgba(255,255,255,.65);font-weight:400}

/* title */
.wrap{max-width:1000px;margin:0 auto;padding-block:10px 72px;display:grid;gap:22px}
h1{margin:0;text-align:center;font-weight:700;font-size:clamp(32px,5.4vw,56px);line-height:1;letter-spacing:-.01em;text-wrap:balance}
h1 .sol{color:var(--sol);position:relative;white-space:nowrap}
h1 .sol::after{content:"";position:absolute;left:0;right:0;bottom:-6px;height:6px;
  background:repeating-linear-gradient(90deg,var(--mint) 0 6px,transparent 6px 12px)}

/* stage */
.stage{width:100%;max-width:960px;margin:clamp(24px,5vw,48px) auto 0;display:grid;grid-template-columns:1fr 196px 1fr;grid-template-areas:"you mid them";column-gap:clamp(28px,4.5vw,56px);row-gap:22px;align-items:center}
.card{border:3px solid var(--line);border-radius:16px;box-shadow:5px 5px 0 var(--line);background:#fff;padding:10px;display:grid;gap:10px;min-width:0}
.card.you{grid-area:you}.card.them{grid-area:them}
.c-head{display:flex;align-items:baseline;justify-content:space-between;gap:8px;padding:0 4px}
.c-name{font-weight:700;font-size:17px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0}
.c-who{font-size:13px;font-weight:600;color:var(--you)}
.them .c-who{color:var(--them)}
.portrait{position:relative;border:3px solid var(--line);border-radius:10px;background:var(--tbg,var(--paper-2));aspect-ratio:1/1;max-width:100%;overflow:hidden;transition:background .8s var(--ease)}
.portrait canvas{position:absolute;inset:0;width:100%;height:100%;image-rendering:pixelated}
.badge{position:absolute;left:8px;top:8px;z-index:2;font-weight:700;font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:#fff;background:var(--tc,var(--t-rugged));
  padding:4px 9px;border:2px solid var(--line);border-radius:6px}
.badge.muted{background:#7a7686}
.lvl{display:none}
.nextbar{position:absolute;right:8px;top:10px;z-index:2;width:44%;display:grid;gap:3px}
.nb-top{display:flex;justify-content:flex-end;font-size:11.5px;font-weight:600}
.nb-top span:first-child{display:none}
.track{height:8px;border:2px solid var(--line);border-radius:4px;background:#fff;overflow:hidden}
.track i{display:block;height:100%;width:0;background:repeating-linear-gradient(90deg,var(--line) 0 4px,#3a3545 4px 5px);transition:width 1s steps(10)}
.c-foot{display:flex;gap:8px;align-items:stretch}
.bal,.addr-box{border:2px solid var(--bg-3);border-radius:9px;padding:6px 10px;display:grid;line-height:1.2;min-width:0}
.bal{background:var(--bg-2);border-color:var(--bg-2)}
.addr-box{flex:1}
.bal b,.addr-box b{font-weight:700;font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.bal small,.addr-box small{color:var(--mut);font-size:12px}

/* speech + typing bubbles above characters */
.say{position:absolute;left:10px;right:10px;top:10px;z-index:3;display:flex;justify-content:center;pointer-events:none}
.portrait .say{top:auto;bottom:10px}
.portrait .say::after{display:none}
.portrait .say span{background:rgba(22,19,29,.88);color:#fff;border-color:rgba(22,19,29,.88);box-shadow:none;transform-origin:50% 100%}
.say span{position:relative;max-width:100%;background:#fff;border:3px solid var(--line);border-radius:10px;padding:6px 11px;font-size:15px;font-weight:500;line-height:1.25;
  box-shadow:3px 3px 0 var(--line);overflow-wrap:anywhere;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transform:translateY(8px) scale(.6);opacity:0;transform-origin:50% 100%;transition:transform .35s var(--ease),opacity .2s}
.say.show span{transform:none;opacity:1}
.say::after{content:"";position:absolute;left:50%;top:100%;width:12px;height:9px;margin-left:-6px;margin-top:-3px;background:var(--line);
  clip-path:polygon(0 0,100% 0,50% 100%);opacity:0;transition:opacity .2s}
.say.show::after{opacity:1}
.say.dots span{font-size:22px;letter-spacing:2px;line-height:.8;padding:4px 12px 9px}
.say.dots i{display:inline-block;font-style:normal;animation:hop .9s steps(2) infinite}
.say.dots i:nth-child(2){animation-delay:.15s}.say.dots i:nth-child(3){animation-delay:.3s}
@keyframes hop{50%{transform:translateY(-4px)}}

/* the key */
.mid{grid-area:mid;display:grid;gap:12px;justify-items:stretch;text-align:center}
.find{position:relative;aspect-ratio:1/1;width:100%;border:3px solid var(--line);border-radius:22px;background:var(--sol);color:#fff;
  display:grid;grid-template-rows:1fr auto auto;justify-items:center;align-items:center;gap:6px;padding:18px 12px 14px;
  box-shadow:0 8px 0 var(--line),inset 0 -6px 0 rgba(0,0,0,.18),inset 0 4px 0 rgba(255,255,255,.22);
  transition:transform .12s steps(2),box-shadow .12s steps(2),background .3s var(--ease)}
.find:hover{transform:translateY(-2px);box-shadow:0 10px 0 var(--line),inset 0 -6px 0 rgba(0,0,0,.18),inset 0 4px 0 rgba(255,255,255,.22)}
.find:active{transform:translateY(7px);box-shadow:0 1px 0 var(--line),inset 0 -2px 0 rgba(0,0,0,.18),inset 0 4px 0 rgba(255,255,255,.22)}
.find svg{width:64px;height:64px;shape-rendering:crispEdges;image-rendering:pixelated}
.find .i-next,.find .i-stop{display:none}
.find[data-s="live"] .i-find,.find[data-s="confirm"] .i-find{display:none}
.find[data-s="live"] .i-next,.find[data-s="confirm"] .i-next{display:block}
.find[data-s="search"] .i-find{animation:scan 1.1s steps(4) infinite}
.find[data-s="idle"] .i-find,.find[data-s="ended"] .i-find{animation:bobk 2.4s steps(2) infinite}
@keyframes scan{0%{transform:translate(-6px,0)}25%{transform:translate(0,-5px)}50%{transform:translate(6px,0)}75%{transform:translate(0,4px)}}
@keyframes bobk{50%{transform:translateY(-3px)}}
.find-lbl{font-size:19px;font-weight:700;line-height:1.05;text-transform:uppercase;letter-spacing:.02em;text-wrap:balance}
.find-key{font-size:12px;font-weight:600;padding:3px 8px;border:2px solid currentColor;border-radius:6px;opacity:.8}
.find[data-s="search"]{background:#fff;color:var(--ink)}
.find[data-s="live"]{background:var(--mint);color:var(--mint-ink)}
.find[data-s="confirm"]{background:var(--them);color:#fff}
.hint{margin:0;font-size:13px;color:var(--mut);min-height:19px}
.state{display:none}
kbd{font-family:var(--px);font-size:12px;padding:1px 6px;border:2px solid var(--bg-3);border-radius:6px}

/* chat */
.chat{width:100%;max-width:960px;margin:6px auto 0;border:3px solid var(--line);border-radius:16px;box-shadow:5px 5px 0 var(--line);background:#fff;overflow:hidden;display:grid}
.log{height:240px;overflow-y:auto;padding:14px 18px;display:flex;flex-direction:column;gap:6px;scroll-behavior:smooth;overscroll-behavior:contain}
.sys{font-size:14px;color:var(--mut);margin:0;animation:in var(--dur) var(--ease)}
.sys b{color:var(--ink);font-weight:700}
.sys.big{color:var(--ink)}
.m{margin:0;font-size:16px;line-height:1.4;max-width:70ch;overflow-wrap:anywhere;animation:in var(--dur) var(--ease)}
.m b{font-weight:700;margin-right:5px}
.m.you b{color:var(--you)}
.m.them b{color:var(--them)}
@keyframes in{from{transform:translateY(6px);opacity:0}}
.typing{font-size:14px;color:var(--mut);margin:0}
.typing span{display:inline-block;animation:hop .9s steps(2) infinite}
.composer{display:flex;gap:10px;padding:10px;border-top:3px solid var(--line);background:var(--bg-2)}
.composer input{flex:1;min-width:0;background:#fff;border:3px solid var(--line);border-radius:10px;padding:8px 13px;font-size:16px;outline:none}
.composer input:focus{border-color:var(--sol)}
.composer input::placeholder{color:var(--soft)}
.composer input:disabled{background:var(--bg-2);border-color:var(--bg-3)}
.card.enter .portrait canvas{animation:rise .6s steps(6)}
@keyframes rise{from{transform:translateY(30%);opacity:0}}

/* modals */
.scrim{position:fixed;inset:0;z-index:20;background:rgba(22,19,29,.35);display:flex;align-items:center;justify-content:center;
  padding:max(16px,env(safe-area-inset-top,0px)) max(16px,env(safe-area-inset-right,0px)) max(16px,env(safe-area-inset-bottom,0px)) max(16px,env(safe-area-inset-left,0px));animation:fade .2s}
@keyframes fade{from{opacity:0}}
.modal,.drawer{background:#fff;border:3px solid var(--line);border-radius:16px;box-shadow:6px 6px 0 var(--line);width:100%;max-width:400px;padding:18px;display:grid;gap:14px;animation:pop .3s steps(4)}
@keyframes pop{from{transform:translateY(16px);opacity:0}}
.m-head{display:flex;align-items:center;justify-content:space-between}
.m-head h2{margin:0;font-weight:700;font-size:22px}
.x{width:34px;height:34px;border:3px solid var(--line);border-radius:9px;background:#fff;font-size:18px;line-height:1;box-shadow:2px 2px 0 var(--line)}
.x:active{transform:translate(2px,2px);box-shadow:none}
.wlist{display:grid;gap:10px}
.wopt{display:flex;align-items:center;gap:12px;padding:10px 12px;border:3px solid var(--line);border-radius:12px;background:#fff;text-align:left;font-size:16px;font-weight:600;box-shadow:3px 3px 0 var(--line);transition:transform .12s steps(2),box-shadow .12s steps(2)}
.wopt:hover{transform:translate(-1px,-1px);box-shadow:4px 4px 0 var(--line)}
.wopt:active{transform:translate(3px,3px);box-shadow:none}
.wopt .ic{width:30px;height:30px;border:2px solid var(--line);border-radius:7px;display:grid;place-items:center;font-weight:700;color:#fff}
.wopt .tag{margin-left:auto;font-size:13px;color:var(--mut);font-weight:500}
.wopt .tag.det{color:#0f8a5c}
.fine{margin:0;font-size:13px;color:var(--mut)}
.connected{display:grid;gap:10px}
.kv{display:flex;justify-content:space-between;gap:10px;padding:9px 12px;border:2px solid var(--bg-3);border-radius:10px;font-size:15px}
.kv span:first-child{color:var(--mut)}
.kv span:last-child{font-weight:600;text-align:right;overflow-wrap:anywhere;min-width:0}
.spin{display:flex;align-items:center;gap:10px;justify-content:center;padding:18px 0;font-size:15px;color:var(--mut)}
.spin i{width:12px;height:12px;background:var(--sol);animation:spin .8s steps(4) infinite}
@keyframes spin{to{transform:rotate(360deg)}}
#customModal{justify-content:flex-end;align-items:stretch}
.drawer{max-width:390px;max-height:100%;overflow-y:auto;align-content:start}
.d-preview{position:relative;border:3px solid var(--line);border-radius:12px;background:var(--tbg);aspect-ratio:16/11;overflow:hidden;transition:background .8s var(--ease)}
.d-preview canvas{position:absolute;inset:6% 0 4%;margin:auto;height:90%;width:auto;aspect-ratio:1/1;image-rendering:pixelated}
.d-preview .badge{left:auto;right:8px;top:8px;bottom:auto}
.field{display:grid;gap:7px;border:0;margin:0;padding:0;min-width:0}
.field>span,.field legend{font-size:14px;font-weight:700;padding:0;margin-bottom:7px}
.field input[type=text]{background:#fff;border:3px solid var(--line);border-radius:10px;padding:8px 12px;font-size:16px;outline:none}
.field input[type=text]:focus{border-color:var(--sol)}
.sw{display:flex;flex-wrap:wrap;gap:8px}
.sw button{width:30px;height:30px;border:3px solid var(--line);border-radius:7px;background:var(--c);transition:transform .12s steps(2)}
.sw button[aria-pressed=true]{box-shadow:0 0 0 3px #fff,0 0 0 6px var(--sol)}
.chips{display:flex;flex-wrap:wrap;gap:7px}
.chips button{border:3px solid var(--line);background:#fff;border-radius:9px;padding:4px 11px;font-size:14px;font-weight:600}
.chips button[aria-pressed=true]{background:var(--ink);color:#fff}
.demo{border:3px dashed var(--bg-3);border-radius:12px;padding:12px}
.demo legend{padding:0 6px;margin-left:-6px}
.range-row{display:flex;align-items:center;gap:12px}
input[type=range]{flex:1;accent-color:var(--sol);min-width:0}
output{font-size:15px;font-weight:700;white-space:nowrap}
.tierline{display:flex;gap:4px;margin-top:2px}
.tierline span{flex:1;height:8px;border:2px solid var(--line);border-radius:3px;background:#fff}
.tierline span.on{background:var(--tc)}
.wide{justify-content:center;padding:10px}

/* how it works (one shared 9s clock) */
.how{width:100%;max-width:960px;margin:34px auto 0;display:grid;gap:18px}
.how h2{margin:0;font-size:28px;font-weight:700;text-align:center}
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.step{display:grid;gap:12px;align-content:start}
.step h3{margin:0;font-size:18px;font-weight:700;display:flex;align-items:center;gap:9px}
.step h3 i{font-style:normal;width:26px;height:26px;border:3px solid var(--line);border-radius:7px;display:grid;place-items:center;font-size:14px;background:#fff;transition:background .3s,color .3s}
.step.on h3 i{background:var(--sol);color:#fff}
.step p{margin:0;color:var(--mut);font-size:15px}
.viz{position:relative;aspect-ratio:4/3;max-width:100%;border:3px solid var(--line);border-radius:14px;background:var(--tbg,var(--paper-2));overflow:hidden;
  box-shadow:4px 4px 0 var(--line);transition:background .3s steps(3),transform .3s steps(3),box-shadow .3s steps(3)}
.step.on .viz{transform:translate(-2px,-2px);box-shadow:6px 6px 0 var(--line)}
.viz>canvas{position:absolute;left:0;right:0;bottom:0;margin:auto;height:92%;width:auto;aspect-ratio:1/1;max-width:100%;image-rendering:pixelated}
.viz .badge{left:auto;right:8px;top:8px;bottom:auto}
.v-bal{position:absolute;left:8px;top:8px;z-index:2;background:#fff;border:2px solid var(--line);border-radius:7px;padding:4px 10px;font-size:15px;font-weight:700}
.v-pill{position:absolute;left:50%;bottom:8px;z-index:2;transform:translateX(-50%);white-space:nowrap;background:#fff;border:2px solid var(--line);border-radius:7px;padding:4px 10px;font-size:14px;font-weight:600;display:flex;gap:7px;align-items:center}
.v-pill i{width:8px;height:8px;background:#e0a92a}
.viz.matched .v-pill i{background:var(--mint)}
.ring{position:absolute;left:50%;top:44%;width:56%;aspect-ratio:1;border:3px dashed rgba(22,19,29,.25);border-radius:50%;transform:translate(-50%,-50%) scale(.2);opacity:0;animation:ring 2s steps(8) infinite;z-index:1}
.ring:nth-child(2){animation-delay:.66s}.ring:nth-child(3){animation-delay:1.33s}
@keyframes ring{20%{opacity:1}100%{transform:translate(-50%,-50%) scale(1.25);opacity:0}}
.viz.matched .ring{animation:none;opacity:0}
.duo{position:absolute;inset:0}
.duo canvas{position:absolute;bottom:0;height:64%;width:auto;aspect-ratio:1/1;image-rendering:pixelated}
.duo .a{left:2%}.duo .b{right:2%}
.duo .say{top:8px}
.duo .say.l{left:8px;right:auto;justify-content:flex-start;max-width:70%}
.duo .say.r{right:8px;left:auto;justify-content:flex-end;max-width:70%}
.duo .say span{font-size:14px;padding:4px 9px}
.duo .say.l::after{left:22%}.duo .say.r::after{left:auto;right:22%;margin-right:-6px}

@media (max-width:760px){
  .steps{grid-template-columns:1fr;max-width:420px;margin:0 auto;width:100%}
  .stage{grid-template-columns:1fr 1fr;grid-template-areas:"you them" "mid mid";gap:12px}
  .find{aspect-ratio:auto;grid-template-rows:auto;grid-template-columns:auto 1fr;justify-items:start;padding:12px 16px;text-align:left}
  .find svg{width:40px;height:40px}
  .find-key{display:none}
  .card{border-radius:14px;padding:7px;gap:7px;box-shadow:3px 3px 0 var(--line)}
  .c-foot{flex-direction:column}
  .nextbar{display:none}
  .say span{font-size:13px;padding:4px 8px}
  .online{font-size:12px}
  .log{height:220px;padding:12px 14px}
  .bar .btn.ghost .lbl{display:none}
  .wpill .addr{display:none}
}
@media (prefers-reduced-motion:reduce){ *{animation:none!important;transition:none!important} }