/* Login Overlay Design */
#loginOverlay {
  position: fixed;
  inset: 0;
  background: radial-gradient(circle at 20% 20%, rgba(15,23,42,.9), rgba(2,6,23,.96));
  backdrop-filter: blur(18px);
  display: none;
  place-items: center;
  z-index: 99999;
}

#loginOverlay.active {
  display: grid;
}

.login-card {
  width: min(420px, 92vw);
  border-radius: 18px;
  padding: 1.25rem 1.35rem;
  background: linear-gradient(135deg, rgba(255,255,255,.12), rgba(255,255,255,.06));
  border: 1px solid rgba(255,255,255,.18);
  box-shadow: 0 20px 60px rgba(0,0,0,.5);
  color: #fff;
  text-align: left;
}

.login-card h2 {
  margin: 0 0 .25rem;
  font-size: 1.35rem;
}

.login-card p {
  margin: 0 0 .75rem;
  color: #cbd5e1;
}

.login-field {
  margin: .6rem 0;
}

.login-field label {
  display: block;
  font-weight: 600;
  margin-bottom: .35rem;
  color: #cbd5e1;
}

.login-field input {
  width: 100%;
  padding: .65rem .8rem;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,.22);
  background: linear-gradient(180deg, rgba(255,255,255,.12), rgba(255,255,255,.08));
  color: #fff;
  outline: none;
}

.login-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: .6rem;
  margin-top: .75rem;
}

.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  padding: .65rem 1rem;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,.14);
  color: #fff;
  font-weight: 700;
  background: linear-gradient(120deg, rgba(249,115,22,.95), rgba(59,130,246,.95));
  cursor: pointer;
  user-select: none;
  transition: all .15s ease;
}

.btn:hover {
  filter: saturate(1.08);
  transform: translateY(-1px);
}

.login-error {
  margin-top: .65rem;
  color: #fecaca;
  min-height: 1.2em;
}