#duydev-preloader {
  position: fixed;
  inset: 0;
  background: #f8fafc;
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  transition: opacity 0.4s ease;
}

.duydev-spinner-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.duydev-spinner {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: conic-gradient(#3b82f6 0%, #8b5cf6 100%);
  mask: radial-gradient(transparent 52%, black 55%);
  -webkit-mask: radial-gradient(transparent 52%, black 55%);
  animation: spin 1.2s linear infinite;
  position: relative;
  margin-bottom: 20px;
  box-shadow: 0 0 20px rgba(139, 92, 246, 0.3);
}

.duydev-loading-text {
  font-family: 'Inter', sans-serif;
  font-size: 1.2rem;
  font-weight: 600;
  color: #3b82f6;
  display: flex;
  gap: 3px;
}

.duydev-loading-text .dot {
  animation: blink 1.2s infinite ease-in-out;
}
.duydev-loading-text .dot:nth-child(2) {
  animation-delay: 0.2s;
}
.duydev-loading-text .dot:nth-child(3) {
  animation-delay: 0.4s;
}

@keyframes spin {
  to {
    transform: rotate(1turn);
  }
}

@keyframes blink {
  0%, 80%, 100% { opacity: 0; }
  40% { opacity: 1; }
}