:root{
  --bg:#0b1020;
  --card:#0e1626;
  --muted:#9db0d1;
  --accent:#7be2ff;
  --glass: rgba(255,255,255,0.03);
  --radius:10px;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial;
  background:linear-gradient(180deg,var(--bg) 0%, #071024 100%);
  color:#e6f0ff;
  line-height:1.5;
  padding:32px;
}

.site-header{
  max-width:1000px;
  margin:0 auto 24px;
  padding:20px;
  border-radius:var(--radius);
  background:linear-gradient(180deg,var(--card), rgba(255,255,255,0.02));
  box-shadow: 0 6px 24px rgba(2,6,23,0.6);
}
.site-header h1{margin:0 0 6px;font-size:28px}
.tagline{color:var(--muted);margin:0}

.content{
  max-width:1000px;
  margin:0 auto;
  padding:20px;
  background:var(--glass);
  border-radius:var(--radius);
  backdrop-filter: blur(6px);
}

section{margin:18px 0;padding:14px;border-radius:8px;background:linear-gradient(180deg, rgba(255,255,255,0.01), transparent)}
h2{margin-top:0;color:var(--accent)}
ul,ol{color:var(--muted)}

.generator{
  display:block;
  padding:12px;
  border-radius:8px;
  background:rgba(123,226,255,0.04);
  margin-top:12px;
}
.generator label{display:block;margin:6px 0}
.controls{display:flex;gap:8px;align-items:center;margin-top:8px}
.controls input[type="range"]{width:180px}
button{
  background:linear-gradient(180deg,var(--accent),#39c7d8);
  color:#042230;border:0;padding:8px 12px;border-radius:6px;cursor:pointer;font-weight:600;
}
button[disabled]{opacity:0.5;cursor:not-allowed}
.status{margin-top:12px;color:var(--muted)}
.visual{margin-top:8px;height:80px;background:linear-gradient(90deg, rgba(255,255,255,0.02), transparent);border-radius:6px;padding:6px;overflow:auto;color:var(--muted);font-size:13px}
.warning{color:#ffd9d9;background:rgba(255,217,217,0.03);padding:8px;border-radius:6px;margin-top:12px}
.site-footer{margin-top:28px;color:var(--muted);font-size:13px}