:root{
  --bg:#070a08;
  --panel:rgba(255,255,255,.06);
  --panel2:rgba(255,255,255,.04);
  --text:rgba(255,255,255,.92);
  --muted:rgba(255,255,255,.70);
  --line:rgba(255,255,255,.10);
  --shadow:0 20px 60px rgba(0,0,0,.45);
  --r:18px;
  --r2:26px;
  --max:1120px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono","Courier New", monospace;
  --sans: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:var(--sans);
  color:var(--text);
  background:
    radial-gradient(1200px 800px at 20% -10%, rgba(85,255,170,.10), transparent 60%),
    radial-gradient(900px 700px at 90% 20%, rgba(120,160,255,.10), transparent 55%),
    linear-gradient(180deg, #060806, #070a08 35%, #050705);
  overflow-x:hidden;
}

a{color:inherit}
.muted{color:var(--muted)}

.topbar{
  position:sticky; top:0; z-index:50;
  backdrop-filter: blur(10px);
  background: rgba(0,0,0,.35);
  border-bottom:1px solid var(--line);
  display:flex; align-items:center; justify-content:space-between;
  gap:12px;
  padding: 12px 14px;
}

.brand{
  display:flex; align-items:center; gap:10px;
  text-decoration:none;
  min-width: 210px;
}
.logo{
  width:36px; height:36px;
  display:grid; place-items:center;
  border-radius:12px;
  background: rgba(255,255,255,.08);
  border:1px solid var(--line);
  font-weight:800;
}
.brand__name{font-weight:800; letter-spacing:.2px}
.brand__badge{
  margin-left:6px;
  font-size:12px;
  padding:4px 8px;
  border-radius:999px;
  border:1px solid var(--line);
  background: rgba(255,255,255,.06);
  color: var(--muted);
}

.nav{display:flex; gap:10px; align-items:center; flex-wrap:wrap}
.nav__link{
  text-decoration:none;
  color:var(--muted);
  padding:10px 10px;
  border-radius:12px;
}
.nav__link:hover{background: rgba(255,255,255,.06); color:var(--text)}
.nav__link.is-active{background: rgba(255,255,255,.10); color:var(--text); border:1px solid var(--line)}

.right{display:flex; gap:10px; align-items:center}

.lang,.pill{
  appearance:none;
  border-radius: 14px;
  border:1px solid var(--line);
  background: rgba(255,255,255,.06);
  color:var(--text);
  padding: 10px 12px;
  font-weight:800;
  cursor:pointer;
}
.pill{font-weight:700}
.lang:hover,.pill:hover{background: rgba(255,255,255,.10)}
#tokenState{font-weight:900}

.wrap{max-width:var(--max); margin:0 auto; padding: 24px 14px 40px}

.hero{padding: 16px 2px 10px}
.hero h1{
  margin: 0 0 10px;
  font-size: clamp(32px, 4.6vw, 54px);
  line-height:1.03;
  letter-spacing:-.6px;
}
.hero p{
  margin:0;
  font-size: clamp(16px, 1.2vw, 19px);
  color:var(--muted);
  max-width: 70ch;
}

.grid{margin-top: 16px; display:grid; grid-template-columns: 1fr; gap: 16px}
@media (min-width: 920px){ .grid{grid-template-columns: 1fr 1fr} .wide{grid-column:1 / -1} }

.card{
  border:1px solid var(--line);
  border-radius: var(--r2);
  background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.04));
  box-shadow: var(--shadow);
  padding: 18px;
}

.card h2{margin:0 0 6px; font-size:22px; letter-spacing:-.2px}
.card p{margin:0; color:var(--muted); line-height:1.45}

.row{display:flex; gap:10px; flex-wrap:wrap; margin-top: 14px}

.btn{
  appearance:none;
  border:1px solid var(--line);
  background: rgba(255,255,255,.08);
  color:var(--text);
  padding: 12px 14px;
  border-radius: 16px;
  cursor:pointer;
  font-weight:800;
}
.btn:hover{background: rgba(255,255,255,.12)}
.btn:disabled{opacity:.55; cursor:not-allowed}
.btn--primary{background: rgba(120,160,255,.18)}
.btn--ghost{background: transparent}

.field{margin-top: 12px}
.label{font-weight:800; margin-bottom:8px}
.input{
  width:100%;
  border-radius: 16px;
  border:1px solid var(--line);
  background: rgba(0,0,0,.18);
  color:var(--text);
  padding: 12px 14px;
  outline:none;
  line-height: 1.2;
}
.input:focus{border-color: rgba(255,255,255,.22)}
.small{font-size:12.5px; color:var(--muted)}
.two{display:grid; grid-template-columns: 1fr; gap: 10px}
@media(min-width:620px){ .two{grid-template-columns: 1fr 1fr} }

pre.output{
  margin-top: 12px;
  background: rgba(0,0,0,.22);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 12px 14px;
  overflow:auto;
  max-height: 320px;
  font-family: var(--mono);
  font-size: 12.5px;
  color: rgba(255,255,255,.88);
  white-space: pre-wrap;
  word-break: break-word;
}

.kv{
  display:flex; gap:10px; align-items:center; justify-content:space-between;
  margin-top: 12px;
  padding: 12px 14px;
  border:1px solid var(--line);
  border-radius: 16px;
  background: rgba(255,255,255,.04);
}
.kv code{font-family:var(--mono); font-size: 12.5px; color: rgba(255,255,255,.86); word-break:break-all}

.footer{
  border-top: 1px solid var(--line);
  padding: 18px 14px;
  display:flex; align-items:center; justify-content:space-between;
  gap:12px;
  background: rgba(0,0,0,.25);
}