.loader {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  position: relative;

  background: conic-gradient(from 0deg, #6366f1, #a855f7, #ec4899, #6366f1);

  mask: radial-gradient(farthest-side, transparent 60%, black 61%);
  -webkit-mask: radial-gradient(farthest-side, transparent 60%, black 61%);

  animation: spin 1.2s linear infinite;
}

.loader::before {
  content: "";
  position: absolute;
  inset: 8px;
  border-radius: 50%;

  background: radial-gradient(
      circle at 30% 30%,
      rgba(255, 255, 255, 0.8),
      transparent 40%
    ),
    radial-gradient(
      circle at 70% 70%,
      rgba(255, 255, 255, 0.2),
      transparent 60%
    ),
    linear-gradient(135deg, #6366f1, #9333ea);

  animation: pulse 1.6s ease-in-out infinite;
}

.loader::after {
  content: "";
  position: absolute;
  width: 10px;
  height: 10px;
  border-radius: 50%;

  background: white;
  top: 0;
  left: 50%;
  transform: translateX(-50%);

  box-shadow: 0 0 12px rgba(255, 255, 255, 0.9);

  animation: orbit 1.2s linear infinite;
}

@media (prefers-color-scheme: dark) {
  .loader {
    background: conic-gradient(from 0deg, #4f46e5, #9333ea, #ec4899, #4f46e5);
  }

  .loader::before {
    background: radial-gradient(
        circle at 30% 30%,
        rgba(255, 255, 255, 0.4),
        transparent 40%
      ),
      radial-gradient(
        circle at 70% 70%,
        rgba(255, 255, 255, 0.1),
        transparent 60%
      ),
      linear-gradient(135deg, #4f46e5, #9333ea);
  }
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

@keyframes orbit {
  to {
    transform: rotate(360deg) translateX(32px) rotate(-360deg);
  }
}

@keyframes pulse {
  0%,
  100% {
    transform: scale(1);
    filter: brightness(1);
  }
  50% {
    transform: scale(1.08);
    filter: brightness(1.2);
  }
}