*{
  margin:0;
  padding:0;
  box-sizing:border-box;
  font-family:"Marianne","Segoe UI",Roboto,Arial,sans-serif
}

body{
  min-height:100vh;
  display:flex;
  justify-content:center;
  align-items:center;
  background:linear-gradient(180deg,#0b1c2d,#0f172a);
  color:#f8fafc
}

form{
  background:#020617;
  padding:2.5rem 3rem;
  border-radius:12px;
  width:100%;
  max-width:420px;
  box-shadow:0 20px 40px rgba(0,0,0,.6);
  border:1px solid rgba(255,255,255,.1);
  display:flex;
  flex-direction:column;
}

label{
  display:block;
  margin-bottom:.4rem;
  font-size:.8rem;
  font-weight:600;
  text-transform:uppercase;
  letter-spacing:.06em;
  color:#e5e7eb
}

input{
  width:100%;
  padding:.65rem .75rem;
  margin-bottom:1.3rem;
  border-radius:6px;
  border:1px solid rgba(255,255,255,.2);
  background:#0f172a;
  color:#f8fafc;
  font-size:.9rem
}

input:focus{
  outline:none;
  border-color:#2563eb;
  box-shadow:0 0 0 2px rgba(37,99,235,.35)
}

button{
  width:100%;
  background:linear-gradient(135deg,#1e3a8a,#2563eb);
  border:none;
  color:#ffffff;
  padding:.75rem 1.2rem;
  border-radius:6px;
  cursor:pointer;
  font-size:.85rem;
  font-weight:700;
  text-transform:uppercase;
  letter-spacing:.08em;
  transition:transform .2s,box-shadow .2s;
  margin-top:.6rem;
}

.connexion{
  margin-top:1.5rem;
  text-align:center;
  width:100%;
  max-width:420px;
}

.connexion a{
  display:inline-block;
  padding:.6rem 1rem;
  border-radius:8px;
  text-decoration:none;
  text-transform:uppercase;
  letter-spacing:.06em;
  font-weight:600;
  font-size:.8rem;
  color:#f8fafc;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.15);
  transition:transform .2s,box-shadow .2s,background .2s
}

.connexion a:hover{
  transform:translateY(-2px);
  background:rgba(255,255,255,.12);
  box-shadow:0 10px 20px rgba(0,0,0,.5)
}

body{
  flex-direction:column;
  gap:1.5rem;
}

.connexion{
  width:100%;
  max-width:420px;
  text-align:center;
}