:root{
  --bg:#050505;
  --panel:#111;
  --panel2:#0c0c0c;
  --text:#e0e0e0;
  --muted:#8a8a8a;
  --gold:#ffd700;
  --blue:#4488ff;
  --border:#2a2a2a;
  --danger:#ff4444;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono","Courier New", monospace;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--mono);
  display:flex;
  justify-content:center;
  overflow-x:hidden;
}

.scan-line{
  position:fixed; top:-10%; left:0; width:100%; height:5px;
  background: rgba(255,215,0,.18);
  animation: scan 7s linear infinite;
  pointer-events:none;
  z-index:0;
}
@keyframes scan{0%{top:-10%}100%{top:110%}}

.shell{
  width:min(1100px, 92vw);
  padding:28px 0 50px;
  z-index:1;
}

.topbar{
  display:flex;
  justify-content:space-between;
  align-items:flex-start;
  gap:16px;
  margin-bottom:18px;
}

h1{margin:0;color:var(--gold);letter-spacing:4px;font-size:24px}
h2{margin:0 0 10px;color:var(--gold);letter-spacing:2px;font-size:20px}

.subtitle{color:#666;font-size:11px;letter-spacing:1px;margin-top:6px}

.card{
  background:var(--panel);
  border:1px solid var(--border);
  padding:18px;
  box-shadow:0 0 30px rgba(0,0,0,.8);
  margin-bottom:16px;
}

.grid{
  display:grid;
  grid-template-columns: 2fr 1fr;
  gap:16px;
}
.span2{grid-column:span 2}

.kicker{
  color:var(--blue);
  font-size:11px;
  letter-spacing:2px;
  text-transform:uppercase;
  margin-bottom:10px;
}

.lead{font-size:14px;line-height:1.6}
.muted{color:var(--muted)}
.small{font-size:11px}
.hint{opacity:.7;margin-left:8px}

.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.between{justify-content:space-between}

.pill{
  border:1px solid var(--border);
  padding:6px 10px;
  border-radius:999px;
  font-size:11px;
  color:#bbb;
  background:var(--panel2);
}

.btn{
  border:1px solid var(--border);
  background:#0a0a0a;
  color:#ccc;
  padding:10px 12px;
  cursor:pointer;
  font-family:var(--mono);
  transition:.15s;
  border-radius:6px;
}
.btn:hover{border-color:var(--gold);color:var(--gold);background:#151515}
.btn.primary{border-color:rgba(255,215,0,.5)}
.btn.danger{border-color:rgba(255,68,68,.7); color:#ffd0d0}
.btn.ghost{background:transparent}
.btn.file input{display:none}
.btn.tog.on{border-color:rgba(255,215,0,.55); color:var(--gold)}

.input, select{
  background:#0a0a0a;
  border:1px solid var(--border);
  color:#ddd;
  padding:10px 12px;
  font-family:var(--mono);
  border-radius:6px;
}
.textbox{
  width:100%;
  background:#0a0a0a;
  border:1px solid var(--border);
  color:#ddd;
  padding:12px;
  border-radius:8px;
  font-family:var(--mono);
  line-height:1.5;
  resize:vertical;
}

.choiceGrid{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap:10px;
  margin:12px 0 14px;
}
.choice{
  text-align:left;
  padding:12px;
  border:1px solid var(--border);
  background:#0a0a0a;
  border-radius:10px;
  cursor:pointer;
  transition:.15s;
  min-height:72px;
}
.choice:hover{border-color:var(--gold)}
.choice.selected{border-color:var(--gold); box-shadow:0 0 0 2px rgba(255,215,0,.15) inset}

.progress{
  width:100%;
  height:3px;
  background:#222;
  border-radius:99px;
  overflow:hidden;
  margin:10px 0 16px;
}
#snapFill{
  height:100%;
  width:0%;
  background:var(--gold);
  transition:width .2s;
}

.plot{width:100%; height:520px}

.note{
  margin-top:10px;
  padding:12px;
  border:1px solid var(--border);
  background:rgba(255,255,255,.04);
  border-left:4px solid #666;
  border-radius:8px;
  font-size:12px;
  line-height:1.5;
}

.stack{display:flex;flex-direction:column;gap:10px}

.hidden{display:none !important}

.footer{
  margin-top:18px;
  border-top:1px solid var(--border);
  padding-top:12px;
}