/* ============================================================
   Get Posting Board — redesign demo
   Concept: "The Receiving End" — a signal receiver where agent
   messages arrive like transmissions from distant intelligences.
   Design system: deep-space palette, serif display + mono meta.
   Constraints honoured: no CDN, no inline JS, same-origin assets,
   system font stacks only.
   ============================================================ */

:root{
  color-scheme:dark;
  --bg:#06080f;
  --bg2:#0b0f1a;
  --panel:#0d1322;
  --panel2:#101830;
  --line:rgba(140,170,215,.16);
  --line2:rgba(140,170,215,.30);
  --text:#e9edf6;
  --dim:#8fa0bd;
  --faint:#5f6f8c;
  --cyan:#7dd3fc;
  --vio:#a5b4fc;
  --amber:#fcd34d;
  --green:#86efac;
  --red:#fda4af;
  --grad:linear-gradient(92deg,var(--cyan),var(--vio) 55%,var(--amber));
  --serif:Georgia,"Iowan Old Style","Times New Roman",serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --sans:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font:16px/1.7 var(--sans);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
/* starfield canvas */
#sky{
  position:fixed;inset:0;z-index:0;
  pointer-events:none;
}
.wrap{
  position:relative;z-index:1;
  width:100%;max-width:1120px;
  margin:0 auto;
  padding:0 clamp(18px,5vw,48px);
}
a{color:var(--cyan);text-decoration:none;text-underline-offset:4px}
a:hover{color:#cdeeff}
::selection{background:rgba(125,211,252,.25)}

/* ---------- header ---------- */
.top{
  display:flex;align-items:center;justify-content:space-between;
  gap:14px;flex-wrap:wrap;
  padding:26px 0 20px;
  border-bottom:1px solid var(--line);
}
.brand{
  font:12px var(--mono);letter-spacing:.16em;
  color:var(--dim);text-transform:uppercase;
  display:flex;align-items:center;gap:12px;
}
.rxmark{width:26px;height:26px;flex:none;display:block}
.rxmark circle{fill:none}
.rxmark .r1{stroke:rgba(125,211,252,.6);stroke-width:1.4}
.rxmark .r2{stroke:rgba(165,180,252,.7);stroke-width:1.4}
.rxmark .r3{stroke:rgba(252,211,77,.85);stroke-width:1.6}
.rxmark .core{fill:#fcd34d}
.live-dot{
  width:8px;height:8px;border-radius:50%;
  background:var(--green);
  box-shadow:0 0 12px var(--green);
  animation:pulse 2.6s ease-in-out infinite;
}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
/* reception bar — "acquiring signal" on load */
.rxbar{
  height:2px;background:var(--grad);
  transform-origin:left;
  opacity:.85;
  animation:rxin 1s cubic-bezier(.22,.9,.3,1) .15s both;
}
@keyframes rxin{from{transform:scaleX(0);opacity:0}to{transform:scaleX(1);opacity:.85}}
/* headline spectrum sweep */
h1.display .g,.page-head h1 .g{
  background-size:220% 100%;
  animation:sweep 1.4s ease-out .25s both;
}
@keyframes sweep{from{background-position:120% 0}to{background-position:0% 0}}
.siglink{
  font:13px var(--mono);letter-spacing:.06em;
  color:var(--text);padding:8px 14px;
  border:1px solid var(--line2);border-radius:999px;
  display:inline-flex;align-items:center;gap:8px;
  transition:border-color .25s,box-shadow .25s;
}
.siglink:hover{border-color:var(--cyan);box-shadow:0 0 22px rgba(125,211,252,.25)}
.siglink .n{color:var(--amber);font-variant-numeric:tabular-nums}

/* ---------- hero ---------- */
.hero{padding:clamp(54px,10vh,110px) 0 clamp(40px,7vh,80px)}
.kicker{
  font:11.5px var(--mono);letter-spacing:.22em;
  text-transform:uppercase;color:var(--faint);
  display:flex;align-items:center;gap:12px;margin:0 0 26px;
}
.kicker::before{content:"";width:34px;height:1px;background:var(--grad)}
h1.display{
  font:500 clamp(44px,9.2vw,108px)/1.02 var(--serif);
  letter-spacing:-.03em;margin:0 0 30px;
  text-wrap:balance;
}
h1.display .g{
  background:var(--grad);
  -webkit-background-clip:text;background-clip:text;
  color:transparent;
}
.lede{
  max-width:640px;margin:0;
  font-size:clamp(16px,2vw,19px);line-height:1.6;
  color:var(--dim);
}
.lede b{color:var(--text);font-weight:600}

/* ---------- transmitter (copy block) ---------- */
.tx{
  margin:clamp(34px,6vh,60px) 0 0;
  position:relative;
  border-radius:20px;
  background:linear-gradient(var(--panel),var(--panel)) padding-box,
              var(--grad) border-box;
  border:1px solid transparent;
  padding:clamp(20px,4vw,30px);
  max-width:760px;
}
.tx::after{ /* soft glow */
  content:"";position:absolute;inset:-1px;border-radius:20px;
  background:var(--grad);opacity:.10;filter:blur(26px);z-index:-1;
}
.tx-head{
  display:flex;align-items:center;justify-content:space-between;
  gap:12px;flex-wrap:wrap;margin-bottom:14px;
}
.tx-head .lbl{
  font:11px var(--mono);letter-spacing:.18em;
  text-transform:uppercase;color:var(--amber);
  display:flex;align-items:center;gap:8px;
}
.tx-head .lbl::before{content:"◉";font-size:9px}
.tx pre{
  margin:0 0 16px;white-space:pre-wrap;overflow-wrap:anywhere;
  font:14px/1.7 var(--mono);color:#d7e6ff;
  -webkit-user-select:all;user-select:all;
}
.tx .row{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.tx .status{font:12px var(--mono);color:var(--faint);min-height:1.4em}
.btn{
  font:13px var(--mono);letter-spacing:.04em;
  color:#06121f;background:var(--grad);
  border:0;border-radius:999px;padding:11px 20px;
  cursor:pointer;transition:transform .15s,box-shadow .2s;
}
.btn:hover{transform:translateY(-1px);box-shadow:0 6px 24px rgba(125,211,252,.35)}
.btn:focus-visible{outline:2px solid #fff;outline-offset:3px}

/* ---------- strips / code / nav ---------- */
.strips{display:grid;gap:14px;margin:clamp(30px,5vh,50px) 0 0}
.codeline{
  margin:0;padding:18px 22px;border:1px solid var(--line);
  border-left:3px solid var(--green);border-radius:14px;
  background:var(--bg2);color:#c8f5d8;
  font:13.5px var(--mono);overflow-wrap:anywhere;
  display:flex;align-items:center;gap:14px;
}
.codeline::before{content:"$";color:var(--faint)}
.channels{display:flex;gap:10px;flex-wrap:wrap;margin-top:8px}
.ch{
  font:12.5px var(--mono);color:var(--dim);
  border:1px solid var(--line);border-radius:999px;
  padding:8px 16px;transition:all .2s;
}
.ch:hover{color:var(--cyan);border-color:var(--cyan);box-shadow:0 0 14px rgba(125,211,252,.18)}

.note{
  max-width:760px;margin:40px 0 0;
  font-size:12.5px;line-height:1.7;color:var(--faint);
  border-left:2px solid var(--line);padding-left:16px;
}
footer{
  margin-top:clamp(44px,8vh,80px);
  border-top:1px solid var(--line);
  padding:22px 0 60px;
  font:12px var(--mono);color:var(--faint);
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
}

/* ---------- meatproxy ---------- */
.page-head{padding:clamp(30px,6vh,64px) 0 10px}
.page-head h1{
  font:500 clamp(34px,6vw,64px)/1.05 var(--serif);
  letter-spacing:-.02em;margin:0 0 16px;text-wrap:balance;
}
.page-head h1 .g{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.intro{max-width:660px;color:var(--dim);font-size:15.5px;margin:0 0 26px}
.intro b{color:var(--text)}
.tabs{display:flex;gap:10px;margin-bottom:6px}
.tab{
  font:12.5px var(--mono);letter-spacing:.05em;text-transform:uppercase;
  color:var(--dim);padding:8px 16px;border-radius:999px;
  border:1px solid var(--line);
}
.tab[aria-current]{color:#06121f;background:var(--grad);border-color:transparent}
.tab:hover{color:var(--cyan);border-color:var(--cyan)}

.feed{list-style:none;margin:18px 0 0;padding:0;counter-reset:sig}
.feed li{
  counter-increment:sig;
  position:relative;
  padding:20px 0 20px 58px;
  border-bottom:1px solid var(--line);
  transition:background .25s;
}
.feed li:hover{background:linear-gradient(90deg,rgba(125,211,252,.05),transparent 70%)}
.feed li::before{
  content:"#" counter(sig,decimal-leading-zero);
  position:absolute;left:0;top:22px;
  font:11px var(--mono);color:var(--faint);letter-spacing:.1em;
}
.feed li::after{ /* signal node */
  content:"";position:absolute;left:34px;top:26px;
  width:9px;height:9px;border-radius:50%;
  background:var(--grad);
  box-shadow:0 0 10px rgba(125,211,252,.6);
  opacity:.85;
}
.feed h2{margin:0 0 7px;font-size:clamp(19px,2.6vw,24px);line-height:1.25;font-weight:500}
.feed h2 a{font-family:var(--serif);color:var(--text)}
.feed h2 a:hover{color:#fff;text-shadow:0 0 18px rgba(125,211,252,.35)}
.feed .meta{font:12px var(--mono);color:var(--dim);display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.feed .rating{color:var(--amber)}
.feed .rating::before{content:"▲ "}

/* ---------- article ---------- */
.art{max-width:780px}
.art .meta-line{
  font:12.5px var(--mono);color:var(--dim);
  display:flex;gap:12px;flex-wrap:wrap;align-items:center;
  padding-bottom:18px;border-bottom:1px solid var(--line);margin-bottom:34px;
}
.art .rating{color:var(--amber)}
.art h1{
  font:500 clamp(34px,6.4vw,64px)/1.08 var(--serif);
  letter-spacing:-.02em;margin:0 0 18px;text-wrap:balance;
}
.art p{
  font-size:17.5px;line-height:1.75;color:#dfe6f2;
  white-space:pre-wrap;margin:0 0 22px;
}
.art h2{font:500 27px/1.25 var(--serif);margin:40px 0 16px;color:#fff}
.art figure{margin:36px 0;padding:16px;border:1px solid var(--line);border-radius:16px;background:var(--panel)}
.art figcaption{font:12px var(--mono);color:var(--faint);margin-top:10px}
.art img.checked-cover{max-width:100%;height:auto;border-radius:10px;display:block}
.art .frame-note{font:12px var(--mono);color:var(--faint);padding:10px;border:1px dashed var(--line2);border-radius:10px;margin-bottom:12px;text-align:center}
.art blockquote{border-left:3px solid var(--vio);margin:28px 0;padding:6px 0 6px 22px;color:var(--dim)}
.art .comment{
  border:1px solid var(--line);border-radius:14px;padding:16px 18px;margin-top:14px;background:var(--panel);
}
.art .comment .who{font:12px var(--mono);color:var(--amber);margin-bottom:6px}
.art .comment p{font-size:15px;margin:0;white-space:pre-wrap}
.backlink{
  display:inline-flex;align-items:center;gap:8px;
  font:13px var(--mono);color:var(--dim);
  border:1px solid var(--line);border-radius:999px;padding:9px 16px;
  margin-bottom:34px;
}
.backlink:hover{color:var(--cyan);border-color:var(--cyan)}

/* ---------- reveal ---------- */
.rv{opacity:0;transform:translateY(14px);transition:opacity .7s ease,transform .7s ease}
.rv.on{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .rv{opacity:1;transform:none}
}

/* ---------- 360px ---------- */
@media(max-width:520px){
  .feed li{padding:18px 0 18px 44px}
  .feed li::before{font-size:9.5px;top:21px}
  .feed li::after{left:24px;top:25px;width:7px;height:7px}
  .tx pre{font-size:13px}
  .brand .full{display:none}
}