/* Silver Lining Shimmer Loading Effect */

/* Base shimmer container */
.silver-shimmer-container {
  position: relative;
  overflow: hidden;
}

/* Individual shimmer line */
.silver-shimmer-line {
  /* Iridescent gradient background */
  background: 
    linear-gradient(
      105deg,
      #e0e7ff 0%,           /* Light lavender */
      #c7d2fe 10%,          /* Soft purple */
      #a5b4fc 20%,          /* Light indigo */
      #93c5fd 30%,          /* Sky blue */
      #7dd3fc 40%,          /* Light cyan */
      #67e8f9 50%,          /* Cyan */
      #5eead4 60%,          /* Teal */
      #86efac 70%,          /* Light green */
      #bef264 80%,          /* Lime */
      #fde047 90%,          /* Yellow */
      #fbbf24 100%          /* Amber */
    );
  background-size: 200% 100%;
  animation: silver-wave 3s ease-in-out infinite;
  position: relative;
  overflow: visible;
  border-radius: 20px;
  /* Soft blur edges */
  filter: drop-shadow(0 0 8px rgba(147, 197, 253, 0.5));
  /* Multi-layer shadow for depth */
  box-shadow: 
    inset 0 2px 4px rgba(255, 255, 255, 0.5),
    0 0 20px rgba(147, 197, 253, 0.2),
    0 0 40px rgba(147, 197, 253, 0.1);
}

/* Add soft edges with pseudo-element */
.silver-shimmer-line::before {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 24px;
  background: inherit;
  filter: blur(8px);
  opacity: 0.6;
  z-index: -1;
}

/* The moving shimmer wave overlay */
.silver-shimmer-wave {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    105deg,
    transparent 0%,
    rgba(255, 255, 255, 0.1) 40%,
    rgba(255, 255, 255, 0.7) 50%,
    rgba(255, 255, 255, 0.1) 60%,
    transparent 100%
  );
  background-size: 50% 100%;
  animation: shimmer-slide 3s cubic-bezier(0.4, 0, 0.2, 1) infinite;
  mix-blend-mode: overlay;
  border-radius: inherit;
}

/* Alternative shimmer with silver tones */
.silver-shimmer-premium {
  background: linear-gradient(90deg,
    #e6e6e6 0%,
    #f5f5f5 20%,
    #ffffff 50%,
    #f5f5f5 80%,
    #e6e6e6 100%);
  background-size: 200% 100%;
  animation: silver-wave 2.5s ease-in-out infinite;
}

/* Shimmer animation - horizontal wave */
@keyframes shimmer-slide {
  0% {
    transform: translateX(-100%);
  }
  100% {
    transform: translateX(100%);
  }
}

/* Background wave animation */
@keyframes silver-wave {
  0% {
    background-position: -200% 0;
  }
  100% {
    background-position: 200% 0;
  }
}

/* Container for maintaining layout during loading */
.shimmer-preserve-layout {
  display: inline-block;
  margin: 0 auto;
}

/* Center-aligned shimmer container */
.shimmer-center {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
}

/* Fade-in animation for content */
.content-fade-in {
  animation: fadeIn 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes fadeIn {
  0% {
    opacity: 0;
    transform: translateY(2px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeOut {
  0% {
    opacity: 0.5;
  }
  100% {
    opacity: 0;
  }
}

@keyframes shimmerFadeIn {
  0% {
    opacity: 0;
    transform: scale(0.98);
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}

/* Silver lines decorative effect */
.silver-lines {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    repeating-linear-gradient(
      45deg,
      transparent,
      transparent 10px,
      rgba(192, 192, 192, 0.1) 10px,
      rgba(192, 192, 192, 0.1) 20px
    );
  pointer-events: none;
  animation: silver-lines-shift 20s linear infinite;
}

@keyframes silver-lines-shift {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(20px);
  }
}

/* Pulse animation for emphasis */
.silver-pulse {
  animation: silver-pulse 2s ease-in-out infinite;
}

@keyframes silver-pulse {
  0%, 100% {
    opacity: 0.6;
  }
  50% {
    opacity: 1;
  }
}

/* Different shimmer sizes */
.shimmer-title {
  height: 3rem;
  margin-bottom: 1rem;
}

.shimmer-subtitle {
  height: 1.5rem;
  margin-bottom: 0.5rem;
}

.shimmer-text {
  height: 1rem;
  margin-bottom: 0.5rem;
}

.shimmer-paragraph {
  height: 4rem;
  margin-bottom: 1rem;
}

.shimmer-card {
  height: 200px;
  margin-bottom: 1rem;
}

/* Accessibility - reduce motion if preferred */
@media (prefers-reduced-motion: reduce) {
  .silver-shimmer-line,
  .silver-shimmer-wave,
  .silver-shimmer-premium,
  .content-fade-in,
  .silver-lines,
  .silver-pulse {
    animation: none;
  }
  
  .content-fade-in {
    opacity: 1;
    transform: none;
  }
}