:root{
  --bg:#05070c; --panel:#0b0f18; --panel2:#0f1522; --line:#1b2436; --fg:#e8eefc; --muted:#8794ad; --dim:#4d5972;
  --accent:#3d6bff; --accent2:#7fa2ff; --pgm:#ff3b30; --pvw:#28d17c; --amber:#ffb020;
  --body:"Figtree",system-ui,-apple-system,"Segoe UI",sans-serif; --mono:"IBM Plex Mono",ui-monospace,Menlo,Consolas,monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{background:var(--bg);color:var(--fg);font-family:var(--body);overflow:hidden;-webkit-font-smoothing:antialiased;user-select:none;-webkit-user-select:none;touch-action:manipulation}
/* a low-contrast LED-wall texture keeps the light fixtures in focus */
.wall{position:fixed;inset:0;background:radial-gradient(ellipse at 50% 43%,rgba(28,42,72,.38),transparent 58%),radial-gradient(circle,#25314a 0 .8px,transparent 1.4px);background-size:auto,12px 12px;opacity:.34}
.wall::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,7,12,.06),rgba(8,13,23,.18) 48%,rgba(5,7,12,.06))}
.vignette{position:fixed;inset:0;z-index:1;background:radial-gradient(ellipse at 50% 46%,rgba(5,7,12,.08) 0,rgba(5,7,12,.18) 43%,rgba(5,7,12,.58) 100%);pointer-events:none}
#fx{position:fixed;inset:0;width:100%;height:100%;pointer-events:none;z-index:5}
#tubes{position:fixed;inset:0;width:100%;height:100%;pointer-events:none}

header{position:fixed;top:0;left:0;right:0;display:flex;align-items:center;gap:14px;padding:18px 22px;z-index:3}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:800;letter-spacing:-.01em;font-size:17px}
.logo-mark{display:grid;grid-template-columns:repeat(3,1fr);gap:2px;width:20px;height:20px}
.logo-mark i{background:var(--accent);border-radius:1.5px}
.logo-mark i:nth-child(2),.logo-mark i:nth-child(4),.logo-mark i:nth-child(9){opacity:.35}
.sp{flex:1}
.rig-id{display:flex;align-items:center;gap:9px;margin-left:18px;padding-left:18px;border-left:1px solid var(--line);font:500 10px/1 var(--mono);letter-spacing:.13em;color:var(--muted)}
.rig-id i{width:7px;height:7px;border-radius:50%;background:#48d9ec;box-shadow:0 0 12px rgba(72,217,236,.65)}
.rig-id b{color:#5d6e8d;font-weight:400}
.tc{font-family:var(--mono);font-size:13px;color:var(--muted);letter-spacing:.06em;font-variant-numeric:tabular-nums}
.tc b{color:var(--fg);font-weight:500}
.tally{display:inline-flex;gap:6px}
.tally span{font:600 11px/1 var(--mono);letter-spacing:.12em;padding:6px 8px;border-radius:5px;border:1px solid var(--line);color:var(--dim);background:var(--panel)}
.tally .pvw.on{color:#04140b;background:var(--pvw);border-color:var(--pvw);box-shadow:0 0 18px rgba(40,209,124,.45)}
.tally .pgm.on{color:#fff;background:var(--pgm);border-color:var(--pgm);box-shadow:0 0 22px rgba(255,59,48,.6)}
.mute{width:32px;height:32px;display:grid;place-items:center;border-radius:8px;border:1px solid var(--line);background:var(--panel);color:var(--muted);cursor:pointer}
.mute:hover{color:var(--fg)}
.mute svg{width:16px;height:16px}

main{position:relative;z-index:2;height:100%;display:grid;place-items:center;padding:80px 24px 86px}
.desk{display:grid;grid-template-columns:auto 86px;gap:24px;align-items:stretch;padding:26px;border-radius:22px;
  background:linear-gradient(145deg,rgba(15,22,35,.97),rgba(7,11,19,.98));border:1px solid #26334b;box-shadow:0 34px 100px rgba(0,0,0,.64),0 0 64px rgba(46,87,163,.08),inset 0 1px 0 rgba(255,255,255,.06);max-width:100%}
.left{display:flex;flex-direction:column;gap:14px;min-width:0}
.label{display:flex;align-items:center;gap:10px;font:600 11px/1 var(--mono);letter-spacing:.16em;color:var(--muted);text-transform:uppercase}
.label .dot{width:7px;height:7px;border-radius:50%;background:var(--amber);box-shadow:0 0 10px var(--amber);animation:blink 1.4s steps(2) infinite}
.label.ok .dot{background:var(--pvw);box-shadow:0 0 10px var(--pvw);animation:none}
.label.bad .dot{background:var(--pgm);box-shadow:0 0 10px var(--pgm);animation:none}
@keyframes blink{50%{opacity:.25}}
.screen{position:relative;border-radius:12px;background:#020306;border:1px solid #1a2437;padding:14px;cursor:text;box-shadow:inset 0 0 44px rgba(0,0,0,.9),0 1px 0 rgba(255,255,255,.025)}
.screen:focus-within{border-color:#3a568d;box-shadow:inset 0 0 44px rgba(0,0,0,.9),0 0 0 3px rgba(61,107,255,.09)}
#led{display:block;width:min(700px,calc(100vw - 210px));height:auto;image-rendering:auto}
.screen input{position:absolute;inset:0;opacity:0;width:100%;height:100%;font-size:16px;border:0;cursor:text;caret-color:transparent}
.under{display:flex;align-items:center;gap:14px}
.vu{flex:1;display:grid;gap:4px}
.vu canvas{width:100%;height:8px;display:block}
.eye{font:600 11px/1 var(--mono);letter-spacing:.12em;color:var(--muted);background:none;border:1px solid var(--line);border-radius:6px;padding:7px 9px;cursor:pointer}
.eye[aria-pressed=true]{color:var(--fg);border-color:#33466f}
.hint{font-size:13px;color:var(--muted)}
.hint .kb{white-space:nowrap}.hint kbd{font:500 11px/1 var(--mono);border:1px solid var(--line);border-bottom-width:2px;border-radius:4px;padding:2px 5px;color:var(--fg);background:var(--panel)}

/* the T-bar: pull it down to take the input to program */
.tbar{position:relative;display:flex;flex-direction:column;align-items:center;gap:10px}
.tbar .cap{font:600 10px/1 var(--mono);letter-spacing:.16em;color:var(--muted)}
.track{position:relative;flex:1;width:36px;min-height:150px;border-radius:10px;background:#04060a;border:1px solid #182033;box-shadow:inset 0 2px 10px rgba(0,0,0,.8)}
.track::before{content:"";position:absolute;left:50%;top:12px;bottom:12px;width:3px;transform:translateX(-50%);background:#121a2a;border-radius:2px}
.fill{position:absolute;left:50%;top:12px;width:3px;transform:translateX(-50%);background:linear-gradient(var(--accent),var(--pgm));border-radius:2px;box-shadow:0 0 10px rgba(61,107,255,.6)}
.ticks{position:absolute;inset:12px -12px;display:flex;flex-direction:column;justify-content:space-between;pointer-events:none}
.ticks i{display:block;height:1px;background:#1b2436}
.handle{position:absolute;left:50%;top:0;width:66px;height:30px;margin-left:-33px;border-radius:8px;cursor:grab;touch-action:none;
  background:linear-gradient(180deg,#3a4256,#1d2230 55%,#161a25);border:1px solid #4a5470;box-shadow:0 8px 18px rgba(0,0,0,.6),inset 0 1px 0 rgba(255,255,255,.18)}
.handle::after{content:"";position:absolute;left:10px;right:10px;top:50%;height:3px;margin-top:-1.5px;border-radius:2px;background:var(--accent2);box-shadow:0 0 10px var(--accent)}
.handle:active{cursor:grabbing}
.take{width:76px;padding:11px 0;border-radius:9px;font:800 13px/1 var(--body);letter-spacing:.14em;cursor:pointer;color:#fff;border:1px solid #6a1c19;
  background:linear-gradient(180deg,#5a1613,#2b0a09);box-shadow:inset 0 1px 0 rgba(255,255,255,.08)}
.take:hover{background:linear-gradient(180deg,#80211c,#3a0d0b)}
.take.hot{background:var(--pgm);border-color:#ff8077;box-shadow:0 0 26px rgba(255,59,48,.7)}

.desk.shake{animation:shake .38s}
@keyframes shake{20%{transform:translateX(-9px)}40%{transform:translateX(8px)}60%{transform:translateX(-5px)}80%{transform:translateX(3px)}}
.partner{position:fixed;left:50%;bottom:34px;transform:translateX(-50%);display:flex;flex-direction:column;align-items:center;gap:8px;z-index:4}
.partner>span:first-child{font:600 10px/1 var(--mono);letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
.partner-logo{display:inline-flex;background:#ffd400;border-radius:8px;padding:6px 10px;transition:transform .15s,box-shadow .15s;user-select:none}
.partner-logo:hover{transform:translateY(-2px);box-shadow:0 8px 22px rgba(255,212,0,.35)}.partner-logo:focus-visible{outline:3px solid var(--accent);outline-offset:3px}
.partner-logo img{display:block;height:22px;width:auto}
@media (max-height:640px){.partner{display:none}}
footer{position:fixed;bottom:16px;left:0;right:0;text-align:center;font:500 11px/1 var(--mono);letter-spacing:.14em;color:var(--dim);z-index:2}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

@media (max-width:640px){
  header{padding:14px 16px}.rig-id{display:none}.tally{display:none}
  main{padding:76px 14px 92px}
  .desk{grid-template-columns:1fr;padding:16px;gap:16px;width:min(100%,520px);border-radius:18px}
  .screen{display:block}#led{width:100%}
  .hint .kb{display:none}
  .tbar{flex-direction:row}
  .track{min-height:0;height:36px;width:auto;flex:1}
  .track::before{left:12px;right:12px;top:50%;bottom:auto;width:auto;height:3px;transform:translateY(-50%)}
  .fill{top:50%;left:12px;height:3px;width:0;transform:translateY(-50%);background:linear-gradient(90deg,var(--accent),var(--pgm))}
  .ticks{inset:-12px 12px;flex-direction:row}.ticks i{width:1px;height:auto}
  .handle{top:50%;left:0;width:30px;height:56px;margin:-28px 0 0 0}
  .handle::after{left:50%;right:auto;top:10px;bottom:10px;width:3px;height:auto;margin:0 0 0 -1.5px}
  .tbar .cap{display:none}
  .tc{display:none}
}
@media (min-width:641px) and (max-width:900px){.rig-id{display:none}}
@media (max-height:640px){main{padding-top:58px;padding-bottom:24px}.desk{padding:16px}.left{gap:10px}.partner{display:none}footer{bottom:12px}}
@media (prefers-reduced-motion:reduce){.wall::after,.label .dot{animation:none}}