/* Modern animated loader: dual ring with pulse and color gradient */
.loading {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.loading-content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.loader-modern {
  display: inline-block;
  width: 70px;
  height: 70px;
  position: relative;
}
.loader-modern .ring {
  box-sizing: border-box;
  position: absolute;
  width: 100%;
  height: 100%;
  border: 8px solid transparent;
  border-top: 8px solid #3b82f6;
  border-bottom: 8px solid #06b6d4;
  border-radius: 50%;
  animation: loader-spin 1.2s linear infinite;
}
.loader-modern .ring2 {
  border-top: 8px solid #06b6d4;
  border-bottom: 8px solid #3b82f6;
  animation-delay: -0.6s;
}
.loader-modern .pulse {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 20px;
  background: radial-gradient(circle, #3b82f6 60%, #06b6d4 100%);
  border-radius: 50%;
  transform: translate(-50%, -50%) scale(1);
  animation: loader-pulse 1.2s infinite cubic-bezier(.66,0,0,1);
}
@keyframes loader-spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}
@keyframes loader-pulse {
  0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 1; }
  50% { transform: translate(-50%, -50%) scale(1.3); opacity: 0.7; }
}