:root{
  --bg:#0b1020;
  --card:#121833;
  --text:#e8e9f3;
  --muted:#aab0ff;
  --accent:#6c7cff;
  --border:#222a5a;
}

*{box-sizing:border-box}
body{
  margin:0;
  font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Noto Sans,sans-serif;
  background:var(--bg);
  color:var(--text);
}

.header{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:16px 24px;
  border-bottom:1px solid var(--border);
}

.brand{font-weight:700;font-size:18px}

.container{
  max-width:1100px;
  margin:32px auto;
  padding:0 16px;
}

.card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:14px;
  padding:20px;
  margin-bottom:16px;
}

.grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
  gap:16px;
}

.btn{
  background:var(--accent);
  color:white;
  border:none;
  border-radius:10px;
  padding:10px 14px;
  cursor:pointer;
}
.btn.ghost{
  background:transparent;
  border:1px solid var(--border);
}

input,select{
  width:100%;
  padding:10px;
  border-radius:10px;
  border:1px solid var(--border);
  background:#0e1440;
  color:var(--text);
}