:root{--bg:#050505;--panel:#131722;--text:#ffffff;--muted:#9aa3b2;--accent:#8b5cf6;--link:#ffd166}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Ubuntu; color:var(--text); background:var(--bg)}
.wrap{max-width:1400px;margin:0 auto;padding:24px 48px}

/* Nav */
.navbar{display:flex;justify-content:space-between;align-items:center;padding:24px 48px}
.logo{font-weight:800;font-size:20px;letter-spacing:1px;text-transform:uppercase}
.nav-links{display:flex;gap:32px}
.nav-links a{color:var(--text);text-decoration:none;font-size:15px;opacity:0.8;transition:opacity .2s}
.nav-links a:hover{opacity:1}
.btn-cta{background:var(--accent);color:#fff;padding:12px 24px;border-radius:99px;text-decoration:none;font-weight:600;font-size:14px;transition:background .2s}
.btn-cta:hover{background:#7c3aed}

/* Hero */
.hero{display:flex;justify-content:space-between;align-items:flex-end;margin:60px 0 80px}
.hero-left{max-width:600px}
.tag{display:inline-block;padding:6px 16px;border:1px solid #333;border-radius:99px;font-size:12px;font-weight:600;margin-bottom:24px;letter-spacing:0.5px}
.headline{font-size:56px;line-height:1.1;font-weight:800;text-transform:uppercase;margin:0}
.highlight{color:var(--accent);display:block}
.hero-right{max-width:400px;padding-bottom:10px}
.description{color:var(--muted);font-size:16px;line-height:1.6}

/* Cards */
.apps-grid{display:grid;grid-template-columns:repeat(3, 1fr);gap:24px;margin-bottom:40px}
.app-card{display:block;border-radius:24px;background:#111;text-decoration:none;color:var(--text);overflow:hidden;transition:transform .2s;position:relative;height:360px}
.app-card:hover{transform:translateY(-4px)}
.card-image{height:100%;width:100%;background-size:cover;background-position:center;transition:opacity .2s;opacity:0.8}
.app-card:hover .card-image{opacity:1}
.card-content{position:absolute;bottom:0;left:0;right:0;padding:24px;background:linear-gradient(to top, rgba(0,0,0,0.9), transparent);opacity:0;transition:opacity .2s}
.app-card:hover .card-content{opacity:1}
.app-title{font-weight:700;font-size:18px;margin-bottom:4px}
.app-desc{color:var(--muted);font-size:14px}

/* Gradients for placeholders */
.gradient-1{background:linear-gradient(45deg, #2d3748, #4a5568)}
.gradient-2{background:linear-gradient(45deg, #1a202c, #2d3748)}
.gradient-3{background:linear-gradient(45deg, #718096, #a0aec0)}

/* Pagination */
.pagination-dot{width:12px;height:12px;background:var(--accent);border-radius:50%;margin-left:auto}

/* Existing styles for app */
.header h1{margin:0 0 8px;font-size:28px}
.header p{margin:0;color:var(--muted)}
.controls{display:flex;gap:12px;align-items:center;margin:18px 0}
#prompt{flex:1;padding:12px 14px;border-radius:10px;border:1px solid #1f2330;background:var(--panel);color:var(--text)}
#password{width:180px;padding:12px 14px;border-radius:10px;border:1px solid #1f2330;background:var(--panel);color:var(--text)}
#prompt::placeholder{color:#667085}
#generate{padding:12px 16px;border-radius:10px;border:0;background:var(--accent);color:#fff;font-weight:600;cursor:pointer}
#generate:disabled{opacity:.6;cursor:not-allowed}
.status{min-height:24px;color:var(--muted)}
.canvas{border:1px solid #1f2330;border-radius:14px;background:linear-gradient(180deg, #0f1422, #0c1020);padding:16px}
svg{overflow:visible}
svg text{fill:var(--text)}
.node{cursor:pointer}
.node circle{fill:#1c2132;stroke:#2d3347;stroke-width:1.2}
.node.root circle{fill:#253453}
.node.root text{font-size:20px;font-weight:800}
.node.depth-1 text{fill:var(--accent);font-size:14px;font-weight:700}
.node.depth-2 text{fill:#22d3ee}
.node.depth-3 text{fill:#f59e0b}
.link{stroke:#34425e;stroke-width:1.2;fill:none}
.raw pre{white-space:pre-wrap;word-break:break-word;background:#0e1321;padding:12px;border-radius:10px;border:1px solid #1f2330}

/* Responsive */
@media(max-width:1000px){
  .navbar{padding:20px}
  .wrap{padding:20px}
  .hero{flex-direction:column;align-items:flex-start;gap:30px}
  .headline{font-size:40px}
  .apps-grid{grid-template-columns:1fr}
  .nav-links{display:none} /* Simple mobile hide for now */
}