/* ============================================
   MODERN PRELOADER STYLES
   ============================================ */

.app-preloader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #0a0e1a 0%, #1a1f35 50%, #0a0e1a 100%);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 99999;
  opacity: 1;
  visibility: visible;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

.app-preloader.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.preloader-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
  animation: fadeInUp 0.6s ease-out;
}

.preloader-logo {
  position: relative;
  animation: float 3s ease-in-out infinite;
}

.preloader-logo svg {
  width: 80px;
  height: 80px;
  stroke: var(--primary, #00c3bd);
  filter: drop-shadow(0 0 20px rgba(0, 195, 189, 0.5));
  animation: pulse 2s ease-in-out infinite;
}

.preloader-spinner {
  position: relative;
  width: 120px;
  height: 120px;
}

.spinner-ring {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 100%;
  height: 100%;
  border: 3px solid transparent;
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.spinner-ring:nth-child(1) {
  border-top-color: var(--primary, #00c3bd);
  animation: spin 1.5s linear infinite;
  width: 100%;
  height: 100%;
}

.spinner-ring:nth-child(2) {
  border-top-color: rgba(0, 195, 189, 0.6);
  animation: spin 2s linear infinite reverse;
  width: 80%;
  height: 80%;
}

.spinner-ring:nth-child(3) {
  border-top-color: rgba(0, 195, 189, 0.3);
  animation: spin 2.5s linear infinite;
  width: 60%;
  height: 60%;
}

.preloader-text {
  color: var(--text, #e0e7ff);
  font-size: 1.1rem;
  font-weight: 500;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin: 0;
  opacity: 0.9;
}

.preloader-text .dots::after {
  content: '';
  animation: dots 1.5s steps(4, end) infinite;
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes float {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-20px);
  }
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.7;
    transform: scale(1.1);
  }
}

@keyframes spin {
  0% {
    transform: translate(-50%, -50%) rotate(0deg);
  }
  100% {
    transform: translate(-50%, -50%) rotate(360deg);
  }
}

@keyframes dots {
  0%, 20% {
    content: '';
  }
  40% {
    content: '.';
  }
  60% {
    content: '..';
  }
  80%, 100% {
    content: '...';
  }
}

/* Mobile responsive */
@media (max-width: 768px) {
  .preloader-logo svg {
    width: 60px;
    height: 60px;
  }
  
  .preloader-spinner {
    width: 100px;
    height: 100px;
  }
  
  .preloader-text {
    font-size: 0.95rem;
  }
}