/* Auth styles */
.glass-card {
  background: rgba(30, 41, 59, 0.6);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.08);
}
.input-field {
  background: rgba(15,23,42,0.8);
  border: 1px solid rgba(255,255,255,0.08);
  color: #f1f5f9;
  transition: all .2s;
  outline: none;
}
.input-field:focus {
  border-color: #3b82f6;
  box-shadow: 0 0 0 3px rgba(59,130,246,0.15);
}
.input-field::placeholder { color: #475569; }
.btn-primary {
  background: linear-gradient(135deg, #2563eb, #1d4ed8);
  color: #fff;
  border: none;
  box-shadow: 0 4px 15px rgba(37,99,235,0.4);
}
.btn-primary:hover {
  background: linear-gradient(135deg, #3b82f6, #2563eb);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(37,99,235,0.5);
}
.btn-primary:active { transform: translateY(0); }
.tab-btn { color: #64748b; }
.active-tab {
  background: rgba(37,99,235,0.2);
  color: #60a5fa;
  border: 1px solid rgba(37,99,235,0.3);
}