.login-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 20px;
  color: #edf8fb;
  font-family: 'Poppins', 'Segoe UI', Arial, sans-serif;
  background-color: #05080d;
  background-image: linear-gradient(90deg, rgba(2,5,9,.72), rgba(4,10,17,.42)), url("images/bg-login.png");
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  background-attachment: fixed;
}
.login-page::before {
  content: none;
  display: none;
  background: none;
  background-image: none;
}
.login-card {
  position: relative;
  width: min(420px, 100%);
  display: grid;
  gap: 18px;
  padding: 36px;
  border: 1px solid #324653;
  border-radius: 20px;
  background: rgba(12, 19, 29, .92);
  box-shadow: 0 28px 80px rgba(0,0,0,.72);
  backdrop-filter: blur(12px);
}
.login-card::before {
  content: "";
  position: absolute;
  top: 0;
  right: 32px;
  left: 32px;
  height: 2px;
  background: linear-gradient(90deg, transparent, #4dd3ef, transparent);
}
.login-logo { display: block; width: auto; justify-self: center; margin: 0; padding: 0 0 6px; text-align: center; }
.login-logo img { display: inline-block; margin-left: -10px; vertical-align: middle; }
.login-card, .login-card input, .login-card button { font-family: 'Poppins', 'Segoe UI', Arial, sans-serif; }
.login-card .muted { margin: 0; color: #9bb0ba; text-align: center; }
.login-card label { color: #afc2ca; font-size: 12px; }
.login-card input {
  padding: 12px 13px;
  border: 1px solid #304650;
  border-radius: 9px;
  color: #f4fbfd;
  background: #09111a;
}
.login-card input:focus { border-color: #4dd3ef; outline: 3px solid rgba(77,211,239,.14); }
.login-card .btn {
  width: 100%;
  margin-top: 5px;
  padding: 12px 16px;
  color: #06222a;
  font-weight: 700;
  background: linear-gradient(135deg, #4dd3ef, #58f8fc);
  box-shadow: 0 9px 24px rgba(77,211,239,.16);
}
.login-card .btn:hover { background: linear-gradient(135deg, #71e1f5, #77fbff); }
.error { padding: 10px 12px; border: 1px solid #7b3042; border-radius: 8px; color: #ffb6c5; background: #401b25; }
@media (max-width: 520px) { .login-card { padding: 28px 22px; } }