:root{
  --bg:#050607;
  --fg:#17ff5f;
  --muted:#9bd9a9;
  --danger:#ff2d2d;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--fg);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

#root{
  min-height:100%;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:24px;
}

.panel{
  width:min(900px, 100%);
  border:1px solid rgba(23,255,95,.25);
  padding:22px;
  background:rgba(0,0,0,.25);
}

.h1{
  font-size:22px;
  letter-spacing:.08em;
  margin:0 0 10px 0;
}

.muted{color:var(--muted)}
hr{
  border:none;
  border-top:1px solid rgba(23,255,95,.18);
  margin:14px 0;
}

.synth-wrap .brand{
  font-size:26px;
  letter-spacing:.14em;
}
.synth-wrap .tag{
  margin-top:6px;
  color:var(--muted);
}
.synth-wrap .nav{
  display:flex;
  gap:18px;
  margin:16px 0 10px;
  color:rgba(23,255,95,.85);
}
.synth-wrap .grid{
  display:grid;
  grid-template-columns: 1.2fr .8fr;
  gap:16px;
  margin-top:12px;
}
.card{
  border:1px solid rgba(23,255,95,.18);
  padding:14px;
  background:rgba(0,0,0,.18);
}
.small{font-size:12px; opacity:.9}

.flash{
  color:var(--danger);
  font-weight:700;
  letter-spacing:.08em;
  animation: blink .18s steps(2, end) 10;
}
@keyframes blink{50%{opacity:0}}

.cursor{
  display:inline-block;
  width:10px;
  margin-left:4px;
  animation: cblink 1s steps(2,end) infinite;
}
@keyframes cblink{50%{opacity:0}}

.input-row{
  display:flex;
  gap:10px;
  align-items:center;
  margin-top:10px;
}
input{
  flex:1;
  background:transparent;
  border:1px solid rgba(23,255,95,.25);
  color:var(--fg);
  padding:10px 12px;
  outline:none;
  font-size:16px;
}
button{
  background:transparent;
  color:var(--fg);
  border:1px solid rgba(23,255,95,.35);
  padding:10px 14px;
  font-size:16px;
  cursor:pointer;
}
button:hover{background:rgba(23,255,95,.06)}

.xmark{
  color:var(--danger);
  font-size:40px;
  font-weight:900;
  letter-spacing:.12em;
}