:root{
  --bg:#0b0f17;
  --card:#0f1724;
  --card2:#111c2e;
  --text:#e9f0ff;
  --muted:#9db0d3;
  --accent:#7c5cff;
  --accent2:#22c55e;
  --danger:#ef4444;
  --border: rgba(255,255,255,0.10);
  --shadow: 0 18px 60px rgba(0,0,0,0.45);
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
  background: radial-gradient(1200px 800px at 10% -10%, rgba(124,92,255,0.35), transparent 60%),
              radial-gradient(900px 700px at 110% 10%, rgba(34,197,94,0.18), transparent 55%),
              var(--bg);
  color:var(--text);
}
#app{max-width:960px;margin:0 auto;padding:18px 18px 28px}
.topbar{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 14px;border:1px solid var(--border);
  background: linear-gradient(180deg, rgba(255,255,255,0.06), rgba(255,255,255,0.03));
  border-radius:20px; box-shadow: var(--shadow);
  position:sticky; top:12px; z-index:10;
  backdrop-filter: blur(10px);
}
.brand{display:flex;gap:12px;align-items:center}
.logo{
  width:44px;height:44px;border-radius:14px;
  background: linear-gradient(135deg, rgba(124,92,255,0.9), rgba(34,197,94,0.7));
  display:grid;place-items:center;font-weight:800;letter-spacing:1px;
  box-shadow: 0 10px 25px rgba(124,92,255,0.25);
}
.title{font-weight:800}
.subtitle{font-size:12px;color:var(--muted);margin-top:2px}
.tokenPill{
  border:1px solid rgba(124,92,255,0.45);
  background: linear-gradient(180deg, rgba(124,92,255,0.22), rgba(124,92,255,0.10));
  color:var(--text);
  border-radius:999px;padding:10px 12px;
  display:flex;gap:8px;align-items:center;
  cursor:pointer;
}
#tokenCount{font-weight:900;font-size:14px}
.tokenLabel{font-size:11px;color:rgba(233,240,255,0.8);letter-spacing:0.12em}

.content{padding-top:18px}
.screen{display:none}
.screen.active{display:block}

.hero{
  border:1px solid var(--border);
  background: linear-gradient(180deg, rgba(255,255,255,0.05), rgba(255,255,255,0.02));
  border-radius:24px;
  padding:22px 18px;
  box-shadow: var(--shadow);
}
.hero h1{margin:0 0 6px;font-size:28px}
.hero p{margin:0;color:var(--muted);line-height:1.4}

.grid{
  margin-top:14px;
  display:grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap:12px;
}
@media (min-width: 720px){
  .grid{grid-template-columns: repeat(4, minmax(0,1fr))}
}
.cardBtn{
  border:1px solid var(--border);
  background: linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.02));
  border-radius:22px;
  padding:14px 14px;
  cursor:pointer;
  transition: transform .12s ease, border-color .12s ease;
  min-height:120px;

  color: var(--text);
  text-align:left;
  appearance:none;
  -webkit-appearance:none;
}
.cardBtn:hover{transform: translateY(-2px); border-color: rgba(124,92,255,0.4)}
.cardBtn .icon{
  width:38px;height:38px;border-radius:14px;
  display:grid;place-items:center;
  background: rgba(124,92,255,0.20);
  border:1px solid rgba(124,92,255,0.35);
}
.cardBtn .t{font-weight:800;margin-top:10px}
.cardBtn .d{font-size:12px;color:var(--muted);margin-top:4px;line-height:1.35}

.hint{margin-top:14px;color:var(--muted);font-size:12px}

.row{display:flex;gap:12px;align-items:center}
.row.space{justify-content:space-between}
.row.wrap{flex-wrap:wrap}
.back{
  border:1px solid var(--border);
  background: rgba(255,255,255,0.03);
  color:var(--text);
  padding:10px 12px;
  border-radius:14px;
  cursor:pointer;
}
.h2{font-size:20px;font-weight:900}
.h3{font-size:16px;font-weight:800}
.muted{color:var(--muted);font-size:13px;line-height:1.4}

.models{margin-top:14px;display:flex;gap:10px;flex-wrap:wrap}
.modelChip{
  padding:10px 12px;border-radius:999px;
  border:1px solid var(--border);
  background: rgba(255,255,255,0.03);
  cursor:pointer;
  display:flex;gap:8px;align-items:center;

  color: var(--text);
  font-weight: 800;
  appearance:none;
  -webkit-appearance:none;
}
.modelChip.active{border-color: rgba(34,197,94,0.55); background: rgba(34,197,94,0.12)}
.badgeRec{
  font-size:10px;letter-spacing:.09em;
  padding:3px 7px;border-radius:999px;
  background: rgba(34,197,94,0.16);
  border:1px solid rgba(34,197,94,0.25);
  color: rgba(220,255,235,0.95);
}
.price{font-size:12px;color:rgba(233,240,255,0.85)}
.price b{color:var(--text)}

.panel{
  margin-top:14px;
  border:1px solid var(--border);
  background: linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.02));
  border-radius:22px;
  padding:14px;
  box-shadow: var(--shadow);
}

.input, textarea{
  width:100%;
  border:1px solid var(--border);
  background: rgba(0,0,0,0.25);
  border-radius:16px;
  padding:12px 12px;
  color:var(--text);
  outline:none;
}
textarea{min-height:110px;resize:vertical}
.primary{
  border:1px solid rgba(124,92,255,0.55);
  background: linear-gradient(180deg, rgba(124,92,255,0.55), rgba(124,92,255,0.20));
  color:var(--text);
  border-radius:16px;
  padding:12px 14px;
  cursor:pointer;
  font-weight:800;
}
.secondary{
  border:1px solid rgba(255,255,255,0.14);
  background: rgba(255,255,255,0.04);
  color:var(--text);
  border-radius:16px;
  padding:12px 14px;
  cursor:pointer;
  font-weight:700;
}
.chip{
  border:1px solid rgba(34,197,94,0.35);
  background: rgba(34,197,94,0.12);
  color:var(--text);
  border-radius:999px;
  padding:10px 12px;
  cursor:pointer;
  font-weight:800;
}
.balanceBig{font-weight:900;font-size:18px}
.preview{
  width:100%;
  border-radius:18px;
  border:1px solid rgba(255,255,255,0.14);
  overflow:hidden;
  background: rgba(0,0,0,0.20);
}
.preview img, .preview video{width:100%;display:block}

.presetGrid{
  margin-top:10px;
  display:grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap:10px;
}
@media (min-width: 720px){
  .presetGrid{grid-template-columns: repeat(4, minmax(0,1fr))}
}
.preset{
  border:1px solid var(--border);
  background: rgba(255,255,255,0.03);
  border-radius:18px;
  overflow:hidden;
  cursor:pointer;
}
.preset .thumb{height:88px;background:#0a0e16}
.preset .thumb img{width:100%;height:100%;object-fit:cover;display:block}
.preset .meta{padding:10px}
.preset .meta .t{font-weight:900;font-size:13px}
.preset .meta .d{font-size:11px;color:var(--muted);margin-top:3px;line-height:1.25}

.toast{
  position:fixed;
  left:50%; bottom:22px;
  transform:translateX(-50%);
  background: rgba(0,0,0,0.55);
  border:1px solid rgba(255,255,255,0.18);
  border-radius:999px;
  padding:10px 14px;
  color:var(--text);
  display:none;
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}
.toast.show{display:block}


button{font:inherit}