:root{
  --bg-deep:#05040A;
  --bg:#090711;
  --card:#121020;
  --card-2:#181329;
  --violet:#8B5CF6;
  --gold:#D6B56D;
  --blue:#38BDF8;
  --green:#22C55E;
  --red:#EF4444;
  --text:#F8F5FF;
  --sub:#A8A0B8;
  --muted:#6F6880;
  --line:rgba(255,255,255,.10);
  --shadow: 0 24px 80px rgba(0,0,0,.45);
  --glow: 0 0 42px rgba(139,92,246,.35);
}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%;background:
radial-gradient(circle at 20% 0%, rgba(139,92,246,.18), transparent 36%),
radial-gradient(circle at 90% 12%, rgba(56,189,248,.12), transparent 35%),
linear-gradient(180deg,#07050D 0%,#05040A 100%);
font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--text)}
body{display:flex;align-items:flex-start;justify-content:center;padding:32px 16px}
.prototype-shell{width:min(1180px,100%);display:grid;grid-template-columns:320px 1fr;gap:24px}
.sidebar{position:sticky;top:24px;background:rgba(18,16,32,.72);border:1px solid var(--line);border-radius:28px;padding:18px;backdrop-filter:blur(18px);box-shadow:var(--shadow)}
.brand{display:flex;align-items:center;gap:12px;padding:8px 6px 18px;border-bottom:1px solid var(--line)}
.brand img{width:44px;height:44px;border-radius:12px;box-shadow:var(--glow)}
.brand h1{font-family:"Cormorant Garamond", Georgia, serif;font-size:28px;line-height:1;margin:0}
.brand p{margin:4px 0 0;color:var(--sub);font-size:12px}
.nav-title{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.14em;margin:18px 8px 10px}
.screen-list{display:flex;flex-direction:column;gap:8px}
.screen-btn{appearance:none;border:1px solid transparent;background:transparent;color:var(--sub);text-align:left;padding:12px 12px;border-radius:16px;cursor:pointer;font-size:14px;transition:.2s;display:flex;align-items:center;justify-content:space-between}
.screen-btn:hover{background:rgba(255,255,255,.06);color:var(--text)}
.screen-btn.active{background:linear-gradient(135deg,rgba(139,92,246,.28),rgba(56,189,248,.12));border-color:rgba(139,92,246,.45);color:var(--text);box-shadow:0 0 28px rgba(139,92,246,.12)}
.device-area{display:grid;grid-template-columns:430px 1fr;gap:24px;align-items:start}
.phone{width:390px;min-height:844px;border-radius:48px;padding:16px;background:#020106;border:1px solid rgba(255,255,255,.16);box-shadow:0 30px 90px rgba(0,0,0,.65), 0 0 0 8px rgba(255,255,255,.03)}
.phone-inner{min-height:812px;border-radius:36px;background:
radial-gradient(circle at 20% 0%,rgba(139,92,246,.24),transparent 32%),
radial-gradient(circle at 85% 12%,rgba(56,189,248,.18),transparent 26%),
linear-gradient(180deg,#0D0A18,#07050E 70%,#05040A);
overflow:hidden;position:relative;border:1px solid rgba(255,255,255,.07)}
.status{height:34px;padding:11px 24px 0;display:flex;justify-content:space-between;color:rgba(248,245,255,.86);font-size:12px;font-weight:700}
.screen{display:none;padding:10px 18px 92px;min-height:778px;animation:fade .28s ease}
.screen.active{display:block}
@keyframes fade{from{opacity:.2;transform:translateY(5px)}to{opacity:1;transform:none}}
.topbar{display:flex;align-items:center;justify-content:space-between;margin:4px 0 16px}
.icon-btn,.chip{border:1px solid var(--line);background:rgba(255,255,255,.06);color:var(--text);border-radius:999px;padding:9px 12px;font-size:12px}
.avatar{width:38px;height:38px;border-radius:14px;background:radial-gradient(circle,#F8F5FF,#8B5CF6 45%,#211044 78%);box-shadow:var(--glow)}
h2{font-family:"Cormorant Garamond", Georgia, serif;font-size:34px;line-height:1.02;margin:0 0 8px;letter-spacing:-.02em}
h3{font-size:18px;margin:0 0 10px}
p{color:var(--sub);line-height:1.5;margin:0}
.small{font-size:12px;color:var(--muted)}
.card{background:linear-gradient(180deg,rgba(255,255,255,.08),rgba(255,255,255,.035));border:1px solid var(--line);border-radius:26px;padding:18px;margin:12px 0;box-shadow:0 12px 45px rgba(0,0,0,.22)}
.card.gold{background:linear-gradient(135deg,rgba(214,181,109,.18),rgba(139,92,246,.08));border-color:rgba(214,181,109,.26)}
.hero-orb{height:190px;display:flex;align-items:center;justify-content:center;position:relative;margin:20px 0}
.hero-orb::before{content:"";position:absolute;width:180px;height:180px;border-radius:50%;background:radial-gradient(circle,#F8F5FF 0%,#8B5CF6 32%,rgba(139,92,246,.12) 66%,transparent 72%);filter:blur(.2px);box-shadow:0 0 60px rgba(139,92,246,.58), 0 0 100px rgba(56,189,248,.22)}
.hero-orb::after{content:"";position:absolute;width:250px;height:250px;border-radius:50%;border:1px dashed rgba(214,181,109,.34);animation:spin 16s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.primary{width:100%;border:0;border-radius:20px;padding:15px 16px;background:linear-gradient(135deg,var(--violet),#5B7CFA);color:#fff;font-weight:800;font-size:15px;box-shadow:0 14px 36px rgba(139,92,246,.33);cursor:pointer}
.secondary{width:100%;border:1px solid var(--line);border-radius:20px;padding:15px 16px;background:rgba(255,255,255,.06);color:var(--text);font-weight:700;font-size:15px;cursor:pointer}
.row{display:flex;gap:10px;align-items:center}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.metric{padding:12px;border-radius:18px;background:rgba(255,255,255,.06);border:1px solid var(--line)}
.metric strong{display:block;font-size:22px}
.metric span{font-size:11px;color:var(--sub)}
.input{width:100%;background:rgba(255,255,255,.06);border:1px solid var(--line);border-radius:18px;color:var(--text);padding:14px;margin:8px 0;font-size:14px}
.option{padding:14px;border-radius:20px;background:rgba(255,255,255,.06);border:1px solid var(--line);text-align:center;color:var(--text);font-size:13px}
.option.selected{border-color:rgba(214,181,109,.62);background:rgba(214,181,109,.12)}
.chat{display:flex;flex-direction:column;gap:12px}
.bubble{max-width:86%;padding:13px 14px;border-radius:20px;border:1px solid var(--line);font-size:13px;line-height:1.45}
.bubble.ai{background:linear-gradient(135deg,rgba(139,92,246,.18),rgba(255,255,255,.05));align-self:flex-start}
.bubble.me{background:rgba(56,189,248,.13);align-self:flex-end}
.askbar{position:absolute;left:18px;right:18px;bottom:82px;display:flex;gap:8px;background:rgba(9,7,17,.84);border:1px solid var(--line);border-radius:22px;padding:8px;backdrop-filter:blur(16px)}
.askbar input{flex:1;background:transparent;border:0;color:var(--text);padding:8px;outline:none}
.askbar button{border:0;border-radius:16px;background:var(--violet);color:#fff;padding:8px 12px;font-weight:800}
.bottom-nav{position:absolute;left:0;right:0;bottom:0;height:74px;background:rgba(8,6,14,.9);border-top:1px solid var(--line);backdrop-filter:blur(20px);display:grid;grid-template-columns:repeat(5,1fr);padding:8px 8px 10px}
.tab{text-align:center;color:var(--muted);font-size:10px;padding-top:6px}
.tab b{display:block;font-size:18px;margin-bottom:3px}
.tab.active{color:var(--text)}
.kline{height:184px;border-radius:24px;background:linear-gradient(180deg,rgba(56,189,248,.08),rgba(139,92,246,.08));border:1px solid var(--line);position:relative;overflow:hidden;margin:12px 0}
.kline svg{width:100%;height:100%}
.badge{display:inline-flex;padding:7px 10px;border-radius:999px;background:rgba(214,181,109,.12);color:#EED8A5;border:1px solid rgba(214,181,109,.25);font-size:11px;font-weight:700}
.progress{height:10px;background:rgba(255,255,255,.08);border-radius:999px;overflow:hidden}
.progress i{display:block;height:100%;background:linear-gradient(90deg,var(--violet),var(--blue));border-radius:999px}
.radar{height:220px;display:flex;align-items:center;justify-content:center}
.share-card{border-radius:28px;padding:22px;background:linear-gradient(135deg,#120E26,#080610);border:1px solid rgba(214,181,109,.25);position:relative;overflow:hidden}
.share-card:before{content:"";position:absolute;right:-40px;top:-40px;width:150px;height:150px;background:radial-gradient(circle,rgba(139,92,246,.34),transparent 70%)}
.paywall-list{display:flex;flex-direction:column;gap:10px;margin:16px 0}
.paywall-item{display:flex;justify-content:space-between;padding:13px;border-radius:18px;background:rgba(255,255,255,.06);border:1px solid var(--line)}
.price-card{padding:14px;border:1px solid var(--line);border-radius:20px;background:rgba(255,255,255,.05)}
.price-card.best{border-color:rgba(214,181,109,.55);background:rgba(214,181,109,.12)}
.notes{background:rgba(18,16,32,.72);border:1px solid var(--line);border-radius:28px;padding:22px;min-height:760px;backdrop-filter:blur(18px)}
.notes h2{font-size:32px}
.notes ul{color:var(--sub);line-height:1.8}
.notes code{background:rgba(255,255,255,.08);padding:2px 6px;border-radius:7px;color:#EED8A5}
.spec-block{display:none}
.spec-block.active{display:block}
@media(max-width:980px){
  body{padding:12px}
  .prototype-shell{grid-template-columns:1fr}
  .sidebar{position:relative;top:0}
  .device-area{grid-template-columns:1fr;justify-items:center}
  .notes{width:100%}
}