:root { --bg:#0f1724; --card:#111827; --accent:#06b6d4; --danger:#ef4444; color-scheme:dark; }
*{box-sizing:border-box}
body{
  margin:0;
  font-family: "Vazirmatn", sans-serif;
  background: linear-gradient(180deg,#071124,#0f1724);
  color:#e6eef6;
  min-height:100vh;
  display:flex;
  align-items:center;
  justify-content:center;
}
.card{
  width:95%;
  max-width:420px;
  background:linear-gradient(180deg, rgba(255,255,255,0.02), rgba(0,0,0,0.25));
  padding:22px;
  border-radius:12px;
  box-shadow:0 8px 30px rgba(2,6,23,0.6);
  text-align:center;
}
.card h2{margin:0 0 12px 0}
input{
  width:100%;
  padding:12px;
  margin:8px 0;
  border-radius:10px;
  border:1px solid rgba(255,255,255,0.06);
  background:rgba(255,255,255,0.02);
  color:inherit;
}
button{
  width:100%;
  padding:12px;
  margin-top:10px;
  border-radius:10px;
  border:none;
  background:var(--accent);
  color:#052026;
  font-weight:600;
  cursor:pointer;
}
button.danger{background:var(--danger); color:white}
.status{margin-top:10px;color:#fda4af}
.hint{font-size:12px;color:rgba(255,255,255,0.5);margin-top:8px}
#usersList{margin-top:12px;text-align:right}
.userRow{background:rgba(255,255,255,0.02);padding:10px;border-radius:8px;margin-bottom:8px;display:flex;justify-content:space-between;align-items:center}
.smallBtn{padding:6px 10px;border-radius:8px;border:none;cursor:pointer;background:rgba(255,255,255,0.03);color:inherit}