.config{
  padding-top:56px;
  padding-bottom:110px;
  display:grid;
  grid-template-columns: 1fr;
  gap:14px;
}

.config__preview{padding:14px}
.preview__frame{padding:14px; position:relative; overflow:hidden}
.preview__stack{
  position:relative;
  width:100%;
  aspect-ratio: 16/10;
  border-radius: var(--radius);
  border: 1px solid rgba(120,170,255,.12);
  background: rgba(0,0,0,.28);
}
.preview__stack img{
  position:absolute; inset:0;
  width:100%; height:100%;
  object-fit:contain;
  filter: drop-shadow(0 16px 28px rgba(0,0,0,.55));
}

.preview__hud{
  margin-top:12px;
  display:flex; align-items:flex-end; justify-content:space-between;
  gap:12px;
}
.hud__title{font-size:20px; font-weight:800; letter-spacing:.4px}
.hud__sub{font-size:13px; color:var(--muted)}
.hud__price{font-size:20px; font-weight:900; color:rgba(120,170,255,.92)}

.config__panel{margin:0 14px; padding:14px}
.panel__top{display:flex; align-items:flex-start; justify-content:space-between; gap:10px}
.panel__title{font-size:18px; font-weight:850}
.panel__small{font-size:13px; color:var(--muted)}

.steps{display:flex; gap:8px; flex-wrap:wrap}
.step{
  padding:10px 12px;
  border-radius: 999px;
  border:1px solid rgba(120,170,255,.18);
  background: rgba(255,255,255,.04);
  color: var(--text);
  cursor:pointer;
}
.step.is-active{
  background: rgba(120,170,255,.14);
  border-color: rgba(120,170,255,.30);
}

.panel__section.hidden{display:none}

.group{margin:14px 0}
.group__title{font-weight:850; margin-bottom:10px}
.choices{display:grid; gap:10px}
.choice{
  text-align:left;
  padding:12px 12px;
  border-radius: 14px;
  border:1px solid rgba(120,170,255,.18);
  background: rgba(255,255,255,.03);
  color: var(--text);
  cursor:pointer;
}
.choice.is-selected{
  border-color: rgba(120,170,255,.38);
  box-shadow: 0 0 0 6px rgba(120,170,255,.08);
  background: rgba(120,170,255,.12);
}

.input{
  width:100%;
  padding:14px 14px;
  border-radius:14px;
  border:1px solid rgba(120,170,255,.18);
  background: rgba(0,0,0,.22);
  color: var(--text);
  outline:none;
}
.row{display:flex; justify-content:space-between; gap:12px}
.muted{color:var(--muted)}

.summary{
  padding:12px;
  border-radius:14px;
  border:1px solid rgba(120,170,255,.14);
  background: rgba(0,0,0,.18);
  font-size:14px;
  line-height:1.65;
}

@media(min-width:1000px){
  .config{grid-template-columns: 1.05fr .95fr; align-items:start}
  .config__panel{margin:14px}
}