:root{
  --bg:#06080a;
  --bg2:#0a0e10;
  --line:#1b2326;
  --line2:#28343a;
  --fg:#d6e2dc;
  --dim:#6d7c78;
  --lime:#b8ff3d;
  --cyan:#4de3ff;
  --hot:#ff2e7a;
  --mono:'JetBrains Mono',ui-monospace,monospace;
  --disp:'Space Mono',ui-monospace,monospace;
}

*{box-sizing:border-box}
[hidden]{display:none!important}
html,body{margin:0;padding:0}
html{-webkit-text-size-adjust:100%}

body{
  background:var(--bg);
  color:var(--fg);
  font-family:var(--mono);
  font-size:15px;
  line-height:1.55;
  min-height:100vh;
  background-image:
    linear-gradient(to right,rgba(184,255,61,.035) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(184,255,61,.035) 1px,transparent 1px);
  background-size:34px 34px;
}

/* scanline overlay */
.scan{
  position:fixed;inset:0;pointer-events:none;z-index:60;
  background:repeating-linear-gradient(to bottom,rgba(0,0,0,.22) 0 1px,transparent 1px 3px);
  opacity:.5;mix-blend-mode:multiply;
}

/* ---------- top bar ---------- */
.bar{
  position:sticky;top:0;z-index:40;
  display:flex;align-items:center;justify-content:space-between;
  gap:12px;padding:12px 16px;
  background:rgba(6,8,10,.92);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(6px);
}
.brand{display:flex;align-items:center;gap:9px}
.brand__dot{width:9px;height:9px;background:var(--lime);display:block;box-shadow:0 0 10px var(--lime)}
.brand__name{font-family:var(--disp);font-weight:700;letter-spacing:.22em;font-size:13px}
.bar__right{display:flex;gap:8px;align-items:center}

.pill{
  font-size:10px;letter-spacing:.16em;text-transform:uppercase;
  padding:5px 9px;border:1px solid var(--line2);color:var(--dim);
  white-space:nowrap;
}
.pill--dim{color:var(--dim)}
.pill--ok{color:var(--lime);border-color:rgba(184,255,61,.45)}
.pill--off{color:var(--dim)}
.pill--live{
  color:#0b0e08;background:var(--hot);border-color:var(--hot);font-weight:700;
  animation:breathe 1.6s ease-in-out infinite;
}
@keyframes breathe{50%{opacity:.62}}

/* ---------- layout shell ---------- */
main{max-width:1180px;margin:0 auto;padding:22px 16px 40px}
.view{animation:fade .35s ease both}
@keyframes fade{from{opacity:0;transform:translateY(6px)}}

/* ---------- hero ---------- */
.kicker{font-size:11px;letter-spacing:.2em;color:var(--lime);text-transform:uppercase;margin:0 0 14px}
h1{
  font-family:var(--disp);font-weight:700;
  font-size:clamp(2.1rem,10.5vw,4.6rem);
  line-height:.96;letter-spacing:-.02em;margin:0 0 18px;
}
.glow{color:var(--lime);text-shadow:0 0 26px rgba(184,255,61,.35)}
.lede{color:var(--dim);max-width:56ch;margin:0 0 26px;font-size:14px}

.actions{display:flex;flex-direction:column;gap:18px;align-items:flex-start}
.joiner__label{display:block;font-size:10px;letter-spacing:.18em;text-transform:uppercase;color:var(--dim);margin-bottom:7px}
.joiner__row{display:flex;gap:8px;flex-wrap:wrap}

.input{
  font-family:var(--mono);font-size:14px;letter-spacing:.14em;
  background:var(--bg2);color:var(--fg);
  border:1px solid var(--line2);padding:12px 13px;
  text-transform:uppercase;min-width:0;width:150px;
}
.input--flat{width:100%;text-transform:none;letter-spacing:.02em;font-size:11px;padding:10px}
.input:focus{outline:none;border-color:var(--lime);box-shadow:0 0 0 1px var(--lime)}
.input::placeholder{color:#4a544f}

/* ---------- buttons ---------- */
.btn{
  position:relative;overflow:hidden;
  font-family:var(--mono);font-weight:700;font-size:12px;
  letter-spacing:.14em;text-transform:uppercase;
  padding:14px 20px;min-height:46px;
  background:transparent;color:var(--fg);
  border:1px solid var(--line2);cursor:pointer;
  transition:color .15s,border-color .15s,background .15s,transform .08s;
}
.btn:active{transform:translateY(1px)}
.btn--primary{background:var(--lime);color:#07100a;border-color:var(--lime)}
.btn--primary:hover{background:#cdff6b}
.btn--ghost:hover{border-color:var(--lime);color:var(--lime)}
.btn--stop{border-color:var(--hot);color:var(--hot)}
.btn--stop:hover{background:var(--hot);color:#0b0e08}
.btn--tiny{padding:9px 11px;font-size:10px;min-height:0}
.btn--wide{width:100%;margin-top:8px}
.btn[disabled]{opacity:.4;cursor:not-allowed}
.sweep{
  position:absolute;top:0;left:-60%;width:40%;height:100%;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.55),transparent);
  transform:skewX(-18deg);
}
.btn--primary:hover .sweep{animation:sweep .7s ease}
@keyframes sweep{to{left:120%}}

/* ---------- specs ---------- */
.specs{
  display:grid;grid-template-columns:1fr;gap:0;
  margin:44px 0 22px;border-top:1px dashed var(--line2);
}
.spec{padding:20px 0;border-bottom:1px dashed var(--line2)}
.spec__idx{font-family:var(--disp);color:var(--lime);font-size:11px;letter-spacing:.2em}
.spec h3{font-size:13px;letter-spacing:.16em;margin:8px 0 6px}
.spec p{margin:0;color:var(--dim);font-size:13px}
.fineprint{color:#55605c;font-size:11.5px;line-height:1.7;max-width:70ch;margin:0}

/* ---------- room ---------- */
.roomtop{
  display:flex;align-items:center;justify-content:space-between;
  gap:12px;flex-wrap:wrap;margin-bottom:14px;
  border:1px solid var(--line);border-left:3px solid var(--lime);
  background:var(--bg2);padding:10px 13px;
}
.roomtop__code{display:flex;align-items:baseline;gap:10px}
.label{font-size:10px;letter-spacing:.2em;color:var(--dim)}
#room-code{font-family:var(--disp);font-size:22px;letter-spacing:.16em;color:var(--lime)}
.roomtop__meta{display:flex;align-items:center;gap:8px;flex-wrap:wrap}

.layout{display:grid;grid-template-columns:1fr;gap:16px}

.stage{
  position:relative;background:#000;
  border:1px solid var(--line2);
  aspect-ratio:16/9;overflow:hidden;
}
.stage video{width:100%;height:100%;object-fit:contain;display:none;background:#000}
.stage.is-live video{display:block}
.stage.is-live .stage__empty{display:none}
.stage__empty{
  position:absolute;inset:0;display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:10px;text-align:center;padding:16px;
}
.stage__ascii{font-family:var(--disp);font-size:clamp(9px,2.6vw,13px);color:var(--lime);opacity:.8;line-height:1.35;white-space:nowrap}
.stage__empty p{margin:0;color:var(--dim);font-size:12px;letter-spacing:.1em;text-transform:uppercase}
.stage__tag{
  position:absolute;left:0;bottom:0;display:flex;align-items:center;gap:8px;
  background:rgba(6,8,10,.85);border-top:1px solid var(--line2);border-right:1px solid var(--line2);
  padding:7px 12px;font-size:11px;letter-spacing:.14em;text-transform:uppercase;
}
.rec{width:8px;height:8px;background:var(--hot);border-radius:50%;box-shadow:0 0 9px var(--hot);animation:breathe 1.3s infinite}
.soundbtn{
  position:absolute;right:8px;top:8px;font-family:var(--mono);font-size:10px;
  letter-spacing:.14em;padding:8px 10px;background:rgba(6,8,10,.8);
  color:var(--lime);border:1px solid var(--lime);cursor:pointer;
}

.controls{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:12px}
.controls .btn--primary{grid-column:1/-1}
.hint{margin:10px 0 0;font-size:11.5px;color:var(--dim);min-height:1.4em}
.hint.warn{color:#ffd166}

/* ---------- side panels ---------- */
.side{display:grid;grid-template-columns:1fr;gap:14px}
.panel{border:1px solid var(--line);background:var(--bg2)}
.panel__head{
  display:flex;justify-content:space-between;align-items:center;
  padding:9px 12px;border-bottom:1px solid var(--line);
  font-size:10px;letter-spacing:.2em;color:var(--dim);text-transform:uppercase;
}
.panel__dots{color:var(--lime)}
.panel--qr{padding-bottom:12px}
.qrframe{
  position:relative;z-index:70;
  margin:14px auto 8px;width:min(196px,60vw);padding:10px;
  background:#e9f5e2;border:1px solid var(--lime);
  box-shadow:0 0 0 4px rgba(184,255,61,.12);
}
.qrframe canvas{display:block;width:100%!important;height:auto!important;image-rendering:pixelated}
.qrhint{text-align:center;font-size:10px;letter-spacing:.16em;text-transform:uppercase;color:var(--dim);margin:0 0 12px}
.linkrow{display:flex;gap:6px;padding:0 12px}
.linkrow .btn{flex:0 0 auto}
.panel--qr .btn--wide{width:calc(100% - 24px);margin-left:12px}

.roster{list-style:none;margin:0;padding:6px 0;max-height:220px;overflow:auto}
.roster li{
  display:flex;align-items:center;gap:9px;
  padding:8px 12px;font-size:12.5px;border-bottom:1px dashed rgba(40,52,58,.6);
}
.roster li:last-child{border-bottom:0}
.roster .who{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.roster .mark{color:var(--lime);width:12px;flex:0 0 12px}
.roster .tag{margin-left:auto;font-size:9px;letter-spacing:.14em;color:var(--dim);border:1px solid var(--line2);padding:2px 6px}
.roster li.presenting .who{color:var(--lime)}
.roster li.me .who{font-weight:700}
.namerow{display:flex;gap:6px;padding:10px 12px;border-top:1px solid var(--line)}

/* ---------- error ---------- */
.errbox{border:1px solid var(--hot);background:var(--bg2);padding:26px 20px;max-width:520px}
.errbox h2{font-family:var(--disp);font-size:18px;letter-spacing:.1em;color:var(--hot);margin:0 0 10px}
.errbox p{color:var(--dim);font-size:13px;margin:0 0 20px}

/* ---------- footer ---------- */
.foot{
  display:flex;align-items:center;gap:12px;
  max-width:1180px;margin:0 auto;padding:16px;
  border-top:1px solid var(--line);
  font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:#4c5754;
}
.foot__rule{flex:1;height:1px;background:repeating-linear-gradient(to right,var(--line2) 0 4px,transparent 4px 8px)}

/* ---------- responsive up ---------- */
@media(min-width:620px){
  body{font-size:15.5px}
  .actions{flex-direction:row;align-items:flex-end;gap:26px}
  .specs{grid-template-columns:repeat(3,1fr);gap:22px;border-top:0}
  .spec{border-top:1px dashed var(--line2);border-bottom:0;padding:16px 0 0}
  .controls{grid-template-columns:auto auto auto auto}
  .controls .btn--primary{grid-column:auto}
}
@media(min-width:940px){
  main{padding:34px 24px 50px}
  .layout{grid-template-columns:minmax(0,1fr) 292px;gap:20px;align-items:start}
  .lede{font-size:15px}
  .hero{padding:18px 0 6px}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
}