*{margin:0;padding:0;box-sizing:border-box}
body{
  font-family:'Cairo','Segoe UI',system-ui,sans-serif;direction:rtl;min-height:100vh;
  display:grid;place-items:center;padding:22px;color:#0f172a;
  background:#0f172a;position:relative;overflow:hidden;
}
/* هالتين خفيفتين في الخلفية زي التصميم */
body::before,body::after{
  content:'';position:absolute;border-radius:50%;pointer-events:none;
  background:radial-gradient(circle,rgba(37,99,235,.18),transparent 68%);
}
body::before{width:760px;height:760px;top:-320px;inset-inline-start:-240px}
body::after{width:620px;height:620px;bottom:-300px;inset-inline-end:-200px}
.card{
  position:relative;z-index:1;background:#fff;width:100%;max-width:420px;
  padding:40px 38px;border-radius:18px;box-shadow:0 26px 60px rgba(0,0,0,.34);
}
.mark{
  width:70px;height:70px;border-radius:18px;margin:0 auto 22px;
  object-fit:cover;display:block;box-shadow:0 8px 22px rgba(15,23,42,.22);
}
h1{font-size:23px;font-weight:800;text-align:center;letter-spacing:-.4px}
.sub{text-align:center;color:#94a3b8;font-size:13.5px;margin-bottom:28px;font-weight:600}
label{display:block;font-size:13px;font-weight:700;color:#475569;margin-bottom:8px}
.field{position:relative;margin-bottom:19px}
.field svg{position:absolute;inset-inline-start:15px;top:50%;transform:translateY(-50%);
  width:18px;height:18px;color:#94a3b8}
input{
  width:100%;padding:14px 16px 14px 46px;border:1px solid #e2e8f0;border-radius:11px;
  background:#f8fafc;font-family:inherit;font-size:15px;color:#0f172a;outline:none;
}
input:focus{border-color:#2563eb;background:#fff}
input::placeholder{color:#94a3b8}
button{
  width:100%;padding:15px;border:0;border-radius:11px;background:#1d4ed8;color:#fff;
  font-family:inherit;font-weight:800;font-size:15.5px;cursor:pointer;margin-top:9px;
  display:flex;align-items:center;justify-content:center;gap:9px;
}
button:hover{background:#1e40af}
button svg{width:18px;height:18px}
.err{
  background:#fef2f2;border:1px solid #fecaca;color:#b91c1c;padding:12px 15px;
  border-radius:11px;font-size:13.5px;font-weight:700;margin-bottom:20px;text-align:center;
}