/* ALIBI console. Look approved in docs/ui-mockup.html: grey steel bezel, navy screens, paper recognition sheet. Single dark look by choice. */
:root{
  --steel:#8d939a; --steel-hi:#b9bec4; --steel-lo:#5c6168; --bezel:#2a2e33;
  --screen:#06142a; --screen-2:#0b1f3d; --grid:#15315a;
  --trace:#5fd3ff; --band:#2c6aa8; --band-fill:rgba(120,190,255,.13); --band-edge:rgba(140,200,255,.38);
  --amber:#ffb53d; --red:#ff5a4a; --ok:#6fe39a; --dim:#5b7aa3; --ghost:#9fb3cc;
  --paper:#e9e6dc; --ink:#14171a; --ink-2:#5a5d60; --stamp:#b8281c;
  --f-display:"Chakra Petch","Arial Narrow",sans-serif;
  --f-data:"Share Tech Mono",ui-monospace,Consolas,monospace;
  color-scheme:dark;
}
*{box-sizing:border-box}
html{min-height:100%}
body{background:var(--steel);color:var(--trace);font-family:var(--f-data);font-size:14px;margin:0;padding:14px 16px 20px;min-height:100%;
  background-image:repeating-linear-gradient(0deg,rgba(255,255,255,.035) 0 1px,transparent 1px 3px);overflow-x:hidden}
[hidden]{display:none!important}
button{font:inherit}

/* header bar */
.bar{display:flex;flex-wrap:wrap;gap:8px 18px;align-items:center;background:var(--steel-lo);border:2px solid;border-color:var(--steel-hi) var(--bezel) var(--bezel) var(--steel-hi);padding:8px 14px;margin-bottom:12px}
.brand{font-family:var(--f-display);font-weight:700;font-size:22px;letter-spacing:.18em;color:var(--paper)}
.brand small{font-size:11px;letter-spacing:.2em;color:var(--steel-hi);margin-left:10px;font-weight:600}
.lamp{display:inline-flex;align-items:center;gap:6px;font-size:12px;color:var(--paper);letter-spacing:.08em}
.lamp i{width:10px;height:10px;border-radius:50%;background:var(--ok);box-shadow:0 0 8px var(--ok)}
.lamp.warn i{background:var(--amber);box-shadow:0 0 8px var(--amber)}
.lamp.off i{background:#3a3f45;box-shadow:none}
.lamp.bad i{background:var(--red);box-shadow:0 0 8px var(--red)}
.bar-right{margin-left:auto;display:flex;gap:12px;align-items:center}
.clock{font-size:18px;color:var(--amber);background:var(--screen);padding:2px 10px;border:2px inset var(--steel-lo);font-variant-numeric:tabular-nums;white-space:nowrap}
.sample{font-size:11px;letter-spacing:.12em;color:var(--ink);background:var(--amber);padding:2px 8px;font-family:var(--f-display);font-weight:700}
.replay{font-family:var(--f-display);font-size:11px;letter-spacing:.14em;border:2px solid var(--stamp);color:#ffd9d4;background:rgba(184,40,28,.35);padding:2px 7px;transform:rotate(-2deg);font-weight:700}

/* units */
.unit{background:var(--steel-lo);border:2px solid;border-color:var(--steel-hi) var(--bezel) var(--bezel) var(--steel-hi);padding:10px;min-width:0}
.plate{font-family:var(--f-display);font-weight:600;font-size:11px;letter-spacing:.22em;color:var(--paper);margin:0 0 8px;display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.plate b{color:var(--steel-hi);font-weight:500}
.screen{background:var(--screen);border:3px solid var(--bezel);box-shadow:inset 0 0 40px rgba(0,0,0,.7),inset 0 0 0 1px #000;position:relative;overflow:hidden}
.screen::after{content:"";position:absolute;inset:0;pointer-events:none;background:repeating-linear-gradient(0deg,rgba(0,0,0,.18) 0 1px,transparent 1px 3px)}
.keys{display:flex;gap:6px;flex-wrap:wrap}
.key{font-family:var(--f-display);font-weight:700;font-size:11px;letter-spacing:.12em;background:var(--steel);color:var(--ink);border:2px solid;border-color:var(--steel-hi) var(--bezel) var(--bezel) var(--steel-hi);padding:5px 10px;cursor:pointer;line-height:1.2}
.key:hover{background:#9ca2a9}
.key[aria-pressed="true"]{background:var(--amber);border-color:var(--bezel) var(--steel-hi) var(--steel-hi) var(--bezel)}
.key:disabled{cursor:default;opacity:.85}
.key.locked{background:var(--amber);border-color:var(--bezel) var(--steel-hi) var(--steel-hi) var(--bezel);opacity:.75}
.key .k-kind{font-size:8px;letter-spacing:.1em;opacity:.7;margin-left:4px}
.key.kind-identity{border-style:dashed}
.key:focus-visible,.sens input:focus-visible{outline:2px solid var(--trace);outline-offset:2px}
.dimtxt{font-size:11px;color:var(--steel-hi);letter-spacing:.06em}

/* controls */
.controls{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,2fr) 230px;gap:10px 18px;margin-bottom:12px}
.ctl{min-width:0}
.ctl .plate{margin-bottom:6px}
.sens{display:flex;align-items:center;gap:10px}
.sens input{flex:1;accent-color:var(--amber);min-width:0}
.sens output{font-size:18px;color:var(--amber);background:var(--screen);padding:1px 8px;border:2px inset var(--steel-lo);font-variant-numeric:tabular-nums}
.busy .ctl-src .keys,.busy .ctl-sens{opacity:.6}

/* deck */
.deck{display:grid;grid-template-columns:minmax(0,1fr) 400px;gap:12px;align-items:start}
.side{display:grid;gap:12px;align-content:start;min-width:0}

/* before / after strip */
.strip{display:flex;flex-wrap:wrap;align-items:baseline;gap:4px 18px;padding:10px 12px 8px;border-bottom:1px solid var(--grid);background:linear-gradient(180deg,rgba(255,90,74,.06),transparent)}
.strip-main{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap}
.strip-k{font-family:var(--f-display);font-weight:700;font-size:12px;letter-spacing:.2em;color:var(--paper)}
.strip-before{font-size:26px;color:var(--ghost);text-decoration:line-through;text-decoration-thickness:1px;opacity:.75;font-variant-numeric:tabular-nums}
.strip-arrow{font-size:22px;color:var(--amber)}
.strip-now{font-size:34px;color:var(--red);font-variant-numeric:tabular-nums;line-height:1;text-shadow:0 0 12px rgba(255,90,74,.45)}
.strip-now.pop{animation:pop .5s ease-out}
.strip-what{font-family:var(--f-display);font-size:12px;letter-spacing:.14em;color:var(--amber);font-weight:600}
.strip-sub{font-size:11px;color:var(--dim);letter-spacing:.08em;margin-left:auto}
.strip.err .strip-what{color:var(--red)}
@keyframes pop{0%{transform:scale(1.35);color:var(--amber)}100%{transform:scale(1)}}

/* board */
.head,.row{display:grid;grid-template-columns:86px 170px minmax(0,1.25fr) minmax(0,1fr) 128px;gap:10px;align-items:center;padding:6px 10px}
.head{font-size:10px;letter-spacing:.16em;color:var(--dim);border-bottom:1px solid var(--grid)}
#board{position:relative}
.row{border-bottom:1px solid var(--grid);cursor:pointer;position:relative;background:var(--screen)}
.row:hover{background:#091a33}
.row.top{background:linear-gradient(90deg,rgba(255,90,74,.12),rgba(255,90,74,.02) 40%,transparent);box-shadow:inset 3px 0 0 var(--red)}
.row[aria-selected="true"]{background:rgba(255,181,61,.10);box-shadow:inset 3px 0 0 var(--amber),inset 0 0 0 1px rgba(255,181,61,.35)}
.row.work{opacity:.55}
.row:focus-visible{outline:2px solid var(--trace);outline-offset:-2px}
.row.moving{z-index:2}
.row.flash::before{content:"";position:absolute;inset:0;pointer-events:none;background:rgba(255,181,61,.18);animation:fade 1.1s ease-out forwards}
@keyframes fade{to{opacity:0}}
.delta{font-size:24px;font-variant-numeric:tabular-nums;line-height:1;position:relative}
.delta .dv{display:inline-block}
.delta .chg{font-size:11px;margin-left:4px;vertical-align:top;white-space:nowrap}
.delta .chg.down{color:var(--ok)}
.delta .chg.up{color:var(--red)}
.delta small{display:block;font-size:9px;letter-spacing:.14em;color:var(--dim);margin-top:3px}
.meter{position:relative;height:8px;margin-top:5px;border:1px solid var(--grid);background:rgba(95,211,255,.04)}
.meter i{position:absolute;top:-2px;bottom:-2px;width:2px;margin-left:-1px}
.meter .th{background:var(--red);opacity:.55;width:1px;top:-3px;bottom:-3px}
.meter .gh{border:1px dashed var(--ghost);width:6px;margin-left:-3px;opacity:.9;background:transparent}
.meter .cur{background:currentColor;width:4px;margin-left:-2px;transition:left .6s cubic-bezier(.2,.7,.2,1)}
.meter .run{position:absolute;top:3px;height:1px;background:var(--ghost);opacity:.6}
.id{min-width:0}
.id b{display:block;font-family:var(--f-display);font-weight:600;font-size:14px;letter-spacing:.06em;color:#d9f3ff;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.id b .at{font-family:var(--f-mono, inherit);font-weight:400;font-size:10px;letter-spacing:.04em;color:var(--dim);margin-left:4px}
.id>span{font-size:11px;color:var(--dim);display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:2px}
.tag{font-size:9px;letter-spacing:.12em;padding:0 4px;border:1px solid currentColor;margin-right:2px;font-family:var(--f-data);font-weight:400}
.tag.eu{color:var(--stamp);font-weight:600} .tag.gur{color:var(--amber)}
.tag.own{color:var(--ok)} .tag.prototype{color:var(--steel-hi)} .tag.journey{color:var(--trace)} .tag.working{color:var(--dim)}
canvas.tr{width:100%;height:46px;display:block}
.fx{display:grid;grid-template-columns:repeat(5,1fr);gap:3px}
.fx i{font-style:normal;font-size:9px;text-align:center;padding:2px 0;border:1px solid var(--grid);color:var(--dim)}
.fx i.ex{color:var(--ok);border-color:var(--ok)}
.fx i.no{color:var(--red);border-color:var(--red)}
.fx i.na{border-style:dashed;opacity:.6}
.fx i.off{opacity:.25}
.caption,.cut{font-family:var(--f-display);font-size:11px;letter-spacing:.14em;padding:6px 10px;font-weight:600}
.caption{color:var(--red);border-bottom:1px solid var(--grid);background:rgba(255,90,74,.05)}
.cut{color:var(--dim);display:flex;align-items:center;gap:10px;border-bottom:1px solid var(--grid)}
.cut::before,.cut::after{content:"";flex:1;border-top:1px dashed rgba(255,90,74,.5)}
.empty{padding:28px 14px;color:var(--dim);font-size:12px;letter-spacing:.08em;text-align:center}
.legend{display:flex;gap:6px 16px;flex-wrap:wrap;font-size:10px;color:var(--dim);padding:8px 10px;letter-spacing:.08em}
.legend span::before{content:"";display:inline-block;width:14px;height:6px;margin-right:6px;vertical-align:middle;background:var(--c)}
.legend span.bandkey::before{background:var(--band-fill);border-top:1px solid var(--band-edge);border-bottom:1px solid var(--band-edge);height:8px}
.legend span.raw::before{background:none;height:0;border-top:1px dashed var(--band-edge)}
.legend span.ghostkey::before{background:none;width:6px;height:10px;border:1px dashed var(--ghost)}

/* scope */
canvas#scope{width:100%;height:210px;display:block}

/* recognition sheet */
.sheet{background:var(--paper);color:var(--ink);padding:14px 16px 16px;position:relative;box-shadow:2px 3px 0 var(--bezel);font-family:var(--f-display)}
.sheet::before{content:"";position:absolute;top:-7px;left:50%;width:70px;height:14px;margin-left:-35px;background:var(--steel-hi);border:1px solid var(--steel-lo)}
.sheet h2{margin:0;font-size:22px;letter-spacing:.08em;font-weight:700;text-wrap:balance;padding-right:96px}
.sheet .cls{font-size:11px;letter-spacing:.2em;color:var(--ink-2);font-weight:600}
.sheet .sec{margin-top:12px}
canvas#sil{width:100%;height:84px;display:block;margin:8px 0 2px;border-bottom:1px solid var(--ink)}
.dims{display:flex;justify-content:space-between;gap:8px;flex-wrap:wrap;font-family:var(--f-data);font-size:11px;color:var(--ink-2);margin-bottom:10px}
.kv{display:grid;grid-template-columns:auto 1fr;gap:3px 12px;font-size:12px;margin:0 0 10px}
.kv dt{letter-spacing:.14em;font-size:10px;color:var(--ink-2);font-weight:600;align-self:center}
.kv dd{margin:0;font-family:var(--f-data);min-width:0;overflow-wrap:anywhere}
.measures{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:6px 0 10px}
.measure{border:2px solid var(--ink);padding:6px 8px}
.measure span{display:block;font-size:10px;letter-spacing:.16em;color:var(--ink-2);font-weight:600}
.measure b{font-family:var(--f-data);font-size:28px;font-weight:400;line-height:1.1}
.measure b small{font-size:12px;color:var(--ink-2)}
.measure.hot{border-color:var(--stamp)} .measure.hot b{color:var(--stamp)}
.measure em{display:block;font-style:normal;font-family:var(--f-data);font-size:10px;color:var(--ink-2)}
.reasons{margin:0 0 8px;padding-left:16px;font-size:11px;font-family:var(--f-data);color:var(--ink-2)}
.sig{background:var(--screen);border:3px solid var(--ink);margin:4px 0 10px}
canvas#sig{width:100%;height:130px;display:block}
.facts{list-style:none;margin:0;padding:0;font-size:12px;display:grid;gap:6px}
.facts li{display:grid;grid-template-columns:92px 1fr;gap:8px;line-height:1.35}
.facts b{font-family:var(--f-data);font-size:9px;letter-spacing:.04em;padding:2px 0;text-align:center;border:1px solid var(--ink);align-self:start;font-weight:400}
.facts .ex b{background:var(--ink);color:var(--paper)}
.facts .no b{background:var(--stamp);border-color:var(--stamp);color:var(--paper)}
.facts .na b{color:var(--ink-2);border-style:dashed}
.facts .src{display:block;font-size:9px;letter-spacing:.14em;color:var(--ink-2);font-weight:600}
.identity{border:2px dashed var(--ink-2);padding:8px 10px;margin-top:12px}
.identity .cls{color:var(--ink)}
.identity p{margin:4px 0 0;font-size:12px;line-height:1.35}
.identity small{display:block;font-family:var(--f-data);font-size:10px;color:var(--ink-2)}
.stamp{position:absolute;right:14px;top:14px;font-size:10px;letter-spacing:.14em;border:2px solid var(--stamp);color:var(--stamp);padding:3px 6px;transform:rotate(4deg);font-weight:700;max-width:120px;text-align:center}
.audit{margin-top:12px;border-top:1px solid var(--ink)}
.audit summary{cursor:pointer;font-size:11px;letter-spacing:.2em;font-weight:700;padding:8px 0 4px;list-style-position:inside}
.audit summary:focus-visible{outline:2px solid var(--ink);outline-offset:2px}
.audit .kv{font-size:11px}
.audit ul{margin:4px 0 8px;padding-left:16px;font-family:var(--f-data);font-size:10px;color:var(--ink-2)}
.audit .keys{margin-top:8px}
.audit .key{background:var(--steel-hi)}
.foot{font-size:10px;color:var(--ink);letter-spacing:.06em;margin-top:12px;line-height:1.5}

/* about dialog */
dialog{padding:0;border:0;background:transparent;max-width:min(720px,calc(100vw - 32px));max-height:calc(100vh - 32px);overflow:auto;color:var(--ink)}
dialog::backdrop{background:rgba(6,20,42,.72)}
.about{padding:20px 22px}
.about h3{font-size:12px;letter-spacing:.2em;margin:16px 0 4px}
.about p,.about li{font-size:13px;line-height:1.45;font-family:var(--f-display);font-weight:500}
.about ul{margin:0;padding-left:18px}
.about-x{position:absolute;right:14px;top:14px}

/* responsive */
@media (max-width:1240px){
  .head,.row{grid-template-columns:80px 150px minmax(0,1.3fr) minmax(0,.8fr) 118px}
}
@media (max-width:1100px){
  .deck{grid-template-columns:1fr}
  .controls{grid-template-columns:1fr 1fr}
  .ctl-src{grid-column:1/-1;grid-row:2}
}
@media (max-width:760px){
  body{padding:10px 16px 16px}
  .brand small{display:block;margin:2px 0 0;font-size:9px}
  .bar-right{margin-left:0}
  .controls{grid-template-columns:1fr}
  .ctl-src{grid-row:auto}
  .head{display:none}
  .row{grid-template-columns:80px minmax(0,1fr);}
  .row canvas.tr,.row .fx{grid-column:1/-1}
  .strip-sub{margin-left:0}
  .sheet h2{padding-right:0;margin-top:28px}
  .facts li{grid-template-columns:80px 1fr}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}
.evlink{background:none;border:0;padding:0;font:inherit;color:inherit;text-decoration:underline dotted;cursor:pointer;text-align:left}
.evlink:hover,.evlink:focus-visible{color:var(--stamp)}