:root{
  --bg:#0b1020;
  --card:#0f1730;
  --stroke:rgba(255,255,255,.10);
  --text:#eaf0ff;
  --muted:rgba(234,240,255,.72);
  --accent:#67f5ff;
  --accent2:#a78bfa;
}
*{box-sizing:border-box}
body{
  margin:0;
  color:var(--text);
  font-family: system-ui,-apple-system,Segoe UI,Roboto,Arial;
  background:
    radial-gradient(900px 550px at 15% 10%, rgba(103,245,255,.12), transparent 60%),
    radial-gradient(800px 500px at 80% 15%, rgba(167,139,250,.10), transparent 60%),
    var(--bg);
}
.page{
  min-height:100vh;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:24px 16px;
}
.shell{
  width:100%;
  max-width:980px;
  display:grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap:18px;
}
@media (max-width: 920px){
  .shell{grid-template-columns:1fr}
}
.card{
  background: rgba(15,23,48,.78);
  border:1px solid var(--stroke);
  border-radius:18px;
  padding:20px;
  backdrop-filter: blur(10px);
}
.h1{font-size:22px;margin:0 0 8px}
.p{margin:0 0 10px;color:var(--muted);line-height:1.6}
.tabs{
  display:flex;
  gap:8px;
  background: rgba(255,255,255,.04);
  border:1px solid var(--stroke);
  padding:6px;
  border-radius:14px;
  width:max-content;
  margin:12px 0 4px;
}
.tab{
  border:0;
  background:transparent;
  color:var(--muted);
  padding:10px 14px;
  border-radius:12px;
  cursor:pointer;
  font-weight:700;
}
.tab.active{
  background: rgba(103,245,255,.10);
  color:var(--text);
  box-shadow: 0 0 0 1px rgba(103,245,255,.18);
}
.form{margin-top:12px}
.row{margin:10px 0}
label{display:block;margin:0 0 6px;color:var(--muted)}
input{
  width:100%;
  padding:12px 12px;
  border-radius:12px;
  border:1px solid rgba(255,255,255,.12);
  background: rgba(0,0,0,.22);
  color:var(--text);
  outline:none;
}
input:focus{border-color: rgba(103,245,255,.35); box-shadow: 0 0 0 3px rgba(103,245,255,.10)}
.btn{
  width:100%;
  margin-top:10px;
  padding:12px 14px;
  border-radius:12px;
  border:1px solid rgba(103,245,255,.45);
  background: rgba(103,245,255,.10);
  color:var(--text);
  font-weight:900;
  cursor:pointer;
}
.side-note{display:flex;flex-direction:column;gap:10px}
.badge{
  display:inline-flex;
  gap:8px;
  align-items:center;
  padding:10px 12px;
  border-radius:14px;
  border:1px solid var(--stroke);
  background: rgba(255,255,255,.03);
  color:var(--muted);
}
.dot{
  width:10px;height:10px;border-radius:50%;
  background: var(--accent);
  box-shadow: 0 0 18px rgba(103,245,255,.35);
}