/* Arka plan & tipografi - login ile uyumlu */
body{
  margin:0; padding:0; height:100vh; color:#fff;
  font-family: Arial, sans-serif;
  background: linear-gradient(to bottom right, #003366, #005580);
  display:flex; align-items:center; justify-content:center;
}
.register-container{
  background-color: rgba(255,255,255,0.1);
  width:100%; max-width:420px; padding:40px;
  border-radius:10px; text-align:center;
  box-shadow:0 8px 16px rgba(0,0,0,0.3);
}
h1{ margin:0 0 8px; font-size:28px; color:#fff; }
.slogan{ margin:0 0 16px; color:#dddddd; font-size:14px; }

label{ display:block; text-align:left; font-weight:bold; margin:14px 0 6px; }
input[type="email"], input[type="password"]{
  width:100%; padding:10px; border:none; border-radius:6px;
  font-size:14px; outline:none;
}
button{
  width:100%; padding:12px; margin-top:14px;
  background:#00b894; color:#fff; border:none; border-radius:6px;
  font-weight:bold; font-size:16px; cursor:pointer;
}
button:hover{ background:#019874; }
button[disabled]{ opacity:.7; cursor:not-allowed; }

.error{
  color:#ffb0b0; font-size:14px; margin-top:12px; min-height:18px;
}
.notice{
  background:#fff3cd; color:#3b2f00; border:1px solid #ffeeba;
  padding:10px 12px; border-radius:6px; text-align:left; font-weight:600; margin-bottom:12px;
}
.alt-link{ margin-top:14px; color:#eee; font-size:14px; }
.alt-link a{ color:#fff; font-weight:bold; text-decoration:underline; }

@media (max-width:500px){
  .register-container{ padding:24px; }
  h1{ font-size:24px; }
}