/* Light "toy device" theme: pale plastic ground, ink outlines, hard pixel shadows.
   The robot art keeps its own dark screen, so each unit reads as a lit display on a light shell. */
:root{
  --bg:#ece8f6; --paper:#fbfaff; --ink:#1b1430; --dim:#6a6385; --line:#1b1430;
  --soft:#d6cfee;
  --pink:#ff2a6d; --violet:#6b2cff; --teal:#00a3b4; --green:#0a9a45; --yellow:#ffd319; --red:#e0103a;
  --mono:'IBM Plex Mono',ui-monospace,Menlo,monospace; --px:'Silkscreen',var(--mono);
  --bar:48px; --sh:4px 4px 0 var(--ink); --sh8:8px 8px 0 var(--ink);
  --body:#3a3154; --field:#fff; --ph:#b3add0; --on:#fff; --hoverink:#1b1430; --veil:rgba(236,232,246,.97); --warn:#b86a00; --blend:multiply;
}
/* dark: the first look the team preferred. Same layout, neon on near-black. */
:root[data-theme="dark"]{
  --bg:#05060a; --paper:#0c0e14; --ink:#e6f1ff; --dim:#7c869c; --line:#2a3142; --soft:#1b2030;
  --pink:#ff2a6d; --violet:#b967ff; --teal:#00f0ff; --green:#39ff14; --yellow:#fcee0a; --red:#ff4d6d;
  --sh:4px 4px 0 rgba(185,103,255,.4); --sh8:8px 8px 0 rgba(185,103,255,.35);
  --body:#b9c4d8; --field:#05060a; --ph:#3c4458; --on:#05060a; --hoverink:#05060a; --veil:rgba(5,6,10,.96); --warn:#ffb000; --blend:screen;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html,body{height:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:400 15px/1.6 var(--mono);overflow:hidden;-webkit-font-smoothing:antialiased}
#rain{position:fixed;inset:0;width:100%;height:100%;opacity:.65;z-index:0}
.scan{position:fixed;inset:0;z-index:5;pointer-events:none;background:repeating-linear-gradient(0deg,rgba(27,20,48,.045) 0 1px,transparent 1px 4px)}
a{color:inherit}
::selection{background:var(--pink);color:#fff}

/* bars */
.bar{position:fixed;left:0;right:0;height:var(--bar);z-index:20;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:0 20px;font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--dim);background:var(--paper)}
.bar.top{top:0;border-bottom:2px solid var(--line)}
.bar.bottom{bottom:0;border-top:2px solid var(--line)}
.brand{font:700 16px var(--px);letter-spacing:.06em;color:var(--ink);text-decoration:none;text-shadow:2px 2px 0 var(--pink)}
.crumb{color:var(--violet);font-weight:600}
.idx{all:unset;cursor:pointer;display:flex;align-items:center;gap:10px;color:var(--ink);padding:8px 0;font-weight:600}
.idx i{width:18px;height:8px;border-top:2px solid currentColor;border-bottom:2px solid currentColor}
.idx:hover,.idx:focus-visible{color:var(--pink)}
.dot{display:inline-block;width:8px;height:8px;background:var(--green);margin-right:8px;animation:blink 1.6s steps(2) infinite}
@keyframes blink{50%{opacity:.2}}
.mid{flex:1;text-align:center;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:var(--dim)}

/* index overlay */
.index{position:fixed;inset:var(--bar) 0 var(--bar) 0;z-index:19;background:var(--veil);padding:6vh 20px;display:flex;flex-direction:column;justify-content:center;gap:24px}
.index ol{list-style:none;margin:0 auto;padding:0;width:min(720px,100%)}
.index a{display:grid;grid-template-columns:64px 1fr auto;align-items:baseline;padding:14px 8px;border-bottom:2px solid var(--line);text-decoration:none;font:400 clamp(26px,5vw,44px) var(--px);color:var(--ink);transition:padding .15s,color .15s}
.index a b{font:600 12px var(--mono);color:var(--dim);letter-spacing:.2em}
.index a em{font-style:normal;color:var(--dim)}
.index a:hover,.index a:focus-visible{color:var(--pink);padding-left:24px;text-shadow:3px 3px 0 var(--yellow);outline:none}
.index .k{text-align:center}

/* views */
main{position:relative;z-index:10;height:100%;padding:var(--bar) 0}
.view{height:100%;overflow-y:auto;padding:clamp(20px,5vh,56px) clamp(16px,5vw,64px);animation:in .4s cubic-bezier(.2,.8,.2,1)}
@keyframes in{0%{opacity:0;transform:translateY(10px)}100%{opacity:1;transform:none}}
.k{margin:0 0 14px;font-size:11px;font-weight:600;letter-spacing:.22em;text-transform:uppercase;color:var(--dim)}
h1,h2{font-family:var(--px);font-weight:700;margin:0;line-height:.95}
h2{font-size:clamp(30px,5vw,52px);color:var(--ink);text-shadow:3px 3px 0 var(--teal)}
.sub{color:var(--dim);max-width:56ch;margin:14px 0 24px}

/* buttons: chunky, hard shadow, press down on click */
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 22px;border:2px solid var(--line);background:var(--paper);color:var(--ink);font:600 13px var(--mono);letter-spacing:.2em;text-transform:uppercase;text-decoration:none;cursor:pointer;box-shadow:var(--sh);transition:transform .08s,box-shadow .08s,background .12s}
.btn:hover,.btn:focus-visible{background:var(--yellow);color:var(--hoverink);outline:none}
.btn:active{transform:translate(4px,4px);box-shadow:0 0 0 var(--ink)}
.btn.hot{background:var(--pink);color:var(--on)}
.btn.hot:hover,.btn.hot:focus-visible{background:var(--violet);color:var(--on)}
.btn.sm{min-height:36px;padding:0 14px;font-size:11px;box-shadow:3px 3px 0 var(--ink)}
.btn[disabled]{opacity:.3;pointer-events:none}
.grow{flex:1}

/* home */
.hero{min-height:100%;display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:clamp(24px,5vw,72px);align-items:center;max-width:1240px;margin:0 auto}
.glitch{position:relative;white-space:nowrap;font-size:clamp(28px,5.2vw,78px);color:var(--ink);letter-spacing:-.02em;text-shadow:.06em .06em 0 var(--pink)}
.glitch::before,.glitch::after{content:attr(data-text);position:absolute;inset:0;text-shadow:none;mix-blend-mode:var(--blend)}
.glitch::before{color:var(--teal);animation:ga 3.1s steps(1) infinite;opacity:0}
.glitch::after{color:var(--yellow);animation:gb 2.7s steps(1) infinite;opacity:0}
@keyframes ga{0%,100%{opacity:0}8%{opacity:1;transform:translate(-6px,2px);clip-path:inset(12% 0 58% 0)}10%{opacity:0}47%{opacity:1;transform:translate(5px,0);clip-path:inset(60% 0 8% 0)}50%{opacity:0}}
@keyframes gb{0%,100%{opacity:0}22%{opacity:1;transform:translate(7px,-2px);clip-path:inset(40% 0 30% 0)}25%{opacity:0}71%{opacity:1;transform:translate(-5px,1px);clip-path:inset(5% 0 80% 0)}74%{opacity:0}}
.lede{font-size:clamp(15px,1.5vw,18px);max-width:46ch;margin:24px 0 28px;color:var(--body)}
.specs{display:grid;grid-template-columns:repeat(4,auto);justify-content:start;margin:0 0 32px;border:2px solid var(--line);width:fit-content;max-width:100%;background:var(--paper);box-shadow:var(--sh)}
.specs div{padding:12px 20px;border-right:2px solid var(--line)}
.specs div:last-child{border:0}
.specs dt{font-size:10px;font-weight:600;letter-spacing:.22em;text-transform:uppercase;color:var(--dim)}
.specs dd{margin:2px 0 0;color:var(--violet);font-weight:600;white-space:nowrap}
.cta{display:flex;flex-wrap:wrap;gap:16px}
/* the device: a plastic shell around a dark screen */
.frame{position:relative;margin:0;justify-self:center;width:min(100%,500px);padding:18px 18px 12px;background:var(--paper);border:2px solid var(--line);border-radius:28px 28px 40px 40px;box-shadow:var(--sh8)}
.frame img{display:block;width:100%;height:auto;aspect-ratio:1;background:#030305;border:2px solid var(--line);border-radius:10px}
.frame figcaption{margin-top:12px;font-size:11px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--violet);min-height:2.4em;text-align:center}
.c{display:none}

/* signal */
.term{max-width:760px;margin:0 auto;background:var(--paper);border:2px solid var(--line);box-shadow:var(--sh);padding:clamp(20px,4vw,40px)}
.prompt{color:var(--green);font-weight:600;margin:22px 0 12px}
.prompt:first-of-type{margin-top:0}
.type p{margin:0 0 14px;color:var(--body)}
.type p:first-child{font-size:1.25em;color:var(--ink);font-weight:500}
.ls{list-style:none;padding:0;margin:0 0 28px;display:grid;gap:6px}
.ls li{color:var(--violet);font-weight:600}
.ls em{font-style:normal;font-weight:400;color:var(--dim);margin-left:10px}

/* units */
.units-head{display:flex;justify-content:space-between;align-items:end;gap:20px;flex-wrap:wrap;max-width:1240px;margin:0 auto 12px}
.units-head .sub{margin-bottom:16px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:20px;max-width:1240px;margin:0 auto;padding-bottom:12px}
.grid figure{margin:0;border:2px solid var(--line);background:var(--paper);box-shadow:var(--sh);transition:transform .12s,box-shadow .12s}
.grid figure:hover{transform:translate(-2px,-2px);box-shadow:6px 6px 0 var(--pink)}
.grid img{display:block;width:100%;aspect-ratio:1;background:#030305;border-bottom:2px solid var(--line)}
.grid figcaption{padding:10px 12px;font-size:11px;letter-spacing:.06em;color:var(--dim);display:grid;gap:2px}
.grid figcaption b{color:var(--ink);font-family:var(--px);font-size:14px;font-weight:400}
.grid figcaption i{font-style:normal;font-weight:600;color:var(--violet)}

/* gallery: many small static units, tap to wake one */
.tgl{margin-left:auto;margin-right:18px;font-size:11px;letter-spacing:.18em;color:var(--dim)}
.jump{display:flex;align-items:center;gap:10px;margin:0 0 16px}
.jump label{margin:0}.jump input{width:96px;margin:0;padding:8px 10px;font-size:14px}
.chips{display:flex;flex-wrap:wrap;gap:8px;max-width:1240px;margin:0 auto 16px}
.chip{all:unset;cursor:pointer;padding:6px 12px;border:2px solid var(--line);background:var(--paper);font-size:11px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--dim)}
.chip.on{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.chip:focus-visible{box-shadow:0 0 0 2px var(--pink)}
.gal{display:grid;grid-template-columns:repeat(auto-fill,minmax(104px,1fr));gap:8px;max-width:1240px;margin:0 auto}
.gal button{all:unset;cursor:pointer;position:relative;display:block;border:2px solid var(--line);background:#0d0f12;line-height:0;transition:transform .1s,border-color .1s}
.gal button:hover,.gal button:focus-visible{transform:translateY(-2px);border-color:var(--pink);z-index:1}
.gal img{display:block;width:100%;aspect-ratio:1}
.gal span{position:absolute;right:4px;bottom:4px;padding:1px 4px;background:rgba(0,0,0,.72);color:#fff;font:600 10px/1.4 var(--mono);letter-spacing:.06em}
.gal i{position:absolute;left:0;top:0;width:100%;height:3px}
.more{text-align:center;margin:20px 0 8px}
.modal{position:fixed;inset:0;z-index:30;background:var(--veil);display:grid;place-items:center;padding:16px;overflow:auto}
.sheet{position:relative;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,300px);gap:24px;align-items:start;width:min(100%,860px);background:var(--paper);border:2px solid var(--line);box-shadow:var(--sh);padding:20px}
.sheet>img{display:block;width:100%;height:auto;aspect-ratio:1;background:#0d0f12;border:2px solid var(--line)}
.sheet h2{font-size:clamp(20px,3vw,30px);margin-bottom:14px}
.sheet .x{position:absolute;right:12px;top:-20px}
.sheet .review div{grid-template-columns:104px 1fr;padding:7px 0}
.sheet .proto-nav{flex-wrap:wrap;margin-top:16px}
@media (max-width:700px){.sheet{grid-template-columns:1fr}.gal{grid-template-columns:repeat(auto-fill,minmax(84px,1fr));gap:6px}}

/* keeper: the holder's view */
.keeper{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:clamp(24px,5vw,64px);align-items:start;max-width:1100px;margin:0 auto}
.keeper .frame{width:min(100%,460px)}
.puzzle{margin-top:24px;padding:16px;border:2px solid var(--line);background:var(--paper)}
.tiles{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:8px}
.tiles button{all:unset;cursor:pointer;border:2px solid var(--line);background:#0d0f12;line-height:0;transition:transform .08s,border-color .08s}
.tiles button:hover,.tiles button:focus-visible{border-color:var(--pink);transform:translateY(-2px)}
.tiles canvas{display:block;width:100%;aspect-ratio:1}
.klog{list-style:none;margin:8px 0 0;padding:0;font-size:12px;color:var(--dim);display:grid;gap:2px;max-height:9.5em;overflow:auto}
.klog li:first-child{color:var(--ink)}
@media (max-width:860px){.keeper{grid-template-columns:1fr}.tiles{grid-template-columns:repeat(3,minmax(0,1fr))}}

/* protocol (botlist + status) */
.proto{max-width:720px;margin:0 auto;min-height:100%;display:flex;flex-direction:column;background:var(--paper);border:2px solid var(--line);box-shadow:var(--sh);padding:clamp(18px,4vw,36px)}
.proto-top{display:flex;justify-content:space-between;border-bottom:2px solid var(--line);margin:-4px 0 28px;padding-bottom:4px}
.proto form{display:flex;flex-direction:column;flex:1}
fieldset{border:0;margin:0;padding:0;min-width:0}
legend{padding:0}
.count{color:var(--pink);font-weight:600;margin-left:8px}
.tasks{list-style:none;counter-reset:t;margin:0;padding:0;border-top:2px solid var(--soft)}
.task{counter-increment:t;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 0;border-bottom:2px solid var(--soft)}
.task>span::before{content:"0" counter(t);color:var(--dim);margin-right:14px;font-size:12px;letter-spacing:.15em}
.task.done>span{color:var(--dim);text-decoration:line-through}
.task.done .btn{background:var(--green);color:var(--on)}
label{display:block;margin:0 0 18px;font-size:11px;font-weight:600;letter-spacing:.2em;text-transform:uppercase;color:var(--dim)}
label small{letter-spacing:.1em;text-transform:none;font-weight:400}
input,textarea{display:block;width:100%;margin-top:8px;padding:14px;background:var(--field);border:2px solid var(--line);color:var(--ink);font:500 16px var(--mono);letter-spacing:0;border-radius:0;caret-color:var(--pink)}
input:focus,textarea:focus{outline:none;box-shadow:4px 4px 0 var(--violet)}
input::placeholder{color:var(--ph)}
textarea{resize:vertical}
.hint{margin:-10px 0 18px;font-size:12px;color:var(--dim)}
.hint.good{color:var(--green)}.hint.warn{color:var(--warn)}
.tabs{display:flex;margin:0 0 20px;border:2px solid var(--line)}
.tab{all:unset;flex:1;text-align:center;padding:12px;cursor:pointer;font-size:12px;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:var(--dim)}
.tab.on{background:var(--ink);color:var(--bg)}
.tab:focus-visible{box-shadow:inset 0 0 0 2px var(--pink)}
.review{margin:0;border-top:2px solid var(--soft)}
.review div{display:grid;grid-template-columns:130px 1fr;gap:12px;padding:10px 0;border-bottom:2px solid var(--soft)}
.review dt{font-size:11px;font-weight:600;letter-spacing:.2em;text-transform:uppercase;color:var(--dim)}
.review dd{margin:0;color:var(--ink);word-break:break-all}
.msg{min-height:1.6em;margin:16px 0;color:var(--dim)}
.msg.bad{color:var(--red);font-weight:600}.msg.good{color:var(--green);font-weight:600}
.proto-nav{display:flex;gap:16px;margin-top:auto;padding:12px 4px 4px 0}
.ok{text-shadow:3px 3px 0 var(--green)}

@media (max-width:860px){
  body{overflow:auto}
  .glitch{font-size:clamp(28px,10.5vw,72px)}
  .hero{grid-template-columns:1fr;gap:28px}
  .frame{order:-1;width:min(100%,340px)}
  .specs{grid-template-columns:repeat(2,1fr);width:100%}
  .specs div:nth-child(2){border-right:0}
  .specs div:nth-child(-n+2){border-bottom:2px solid var(--line)}
  .keys,.crumb{display:none}
  .review div{grid-template-columns:1fr;gap:2px}
}
@media (prefers-reduced-motion:reduce){
  .glitch::before,.glitch::after,.dot{animation:none}
  .view{animation:none}
}