/**
 * Premium Loading Animation Styles
 * Sophisticated Color Bridges™ themed loading experience
 */

/* Main Loading Overlay */
#premium-loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: linear-gradient(135deg, 
    rgba(248, 250, 252, 0.98) 0%,
    rgba(241, 245, 249, 0.96) 25%,
    rgba(236, 254, 255, 0.94) 50%,
    rgba(253, 242, 248, 0.96) 75%,
    rgba(240, 249, 255, 0.98) 100%
  );
  backdrop-filter: blur(20px) saturate(180%);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 1;
  transition: all 1.2s cubic-bezier(0.23, 1, 0.32, 1);
}

#premium-loading-overlay.loading-complete {
  opacity: 0;
  transform: scale(1.1);
  backdrop-filter: blur(40px) saturate(200%);
}

/* Loading Container */
.premium-loading-container {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

/* Artistic Background Canvas */
.loading-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  z-index: 1;
}

/* Flowing Paint Streams */
.paint-stream {
  position: absolute;
  height: 4px;
  background: linear-gradient(90deg, 
    transparent 0%, 
    rgba(236, 72, 153, 0.6) 15%, 
    rgba(59, 130, 246, 0.6) 35%, 
    rgba(245, 158, 11, 0.6) 55%, 
    rgba(168, 85, 247, 0.6) 75%, 
    rgba(34, 197, 94, 0.6) 90%,
    transparent 100%
  );
  border-radius: 2px;
  filter: blur(1px);
  animation: paintStreamFlow 8s linear infinite;
}

.paint-stream-1 {
  top: 20%;
  width: 120%;
  left: -60%;
  animation-delay: 0s;
  transform: rotate(2deg);
}

.paint-stream-2 {
  top: 45%;
  width: 130%;
  left: -65%;
  animation-delay: -2s;
  transform: rotate(-1deg);
}

.paint-stream-3 {
  top: 70%;
  width: 110%;
  left: -55%;
  animation-delay: -4s;
  transform: rotate(1.5deg);
}

.paint-stream-4 {
  top: 85%;
  width: 140%;
  left: -70%;
  animation-delay: -6s;
  transform: rotate(-0.5deg);
}

/* Color Bloom Effects */
.color-bloom {
  position: absolute;
  border-radius: 50%;
  filter: blur(40px);
  animation: colorBloom 6s ease-in-out infinite;
  mix-blend-mode: multiply;
  opacity: 0.3;
}

.bloom-1 {
  width: 300px;
  height: 200px;
  background: radial-gradient(circle, rgba(236, 72, 153, 0.4) 0%, transparent 70%);
  top: 15%;
  left: 10%;
  animation-delay: 0s;
}

.bloom-2 {
  width: 250px;
  height: 180px;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.4) 0%, transparent 70%);
  top: 60%;
  right: 15%;
  animation-delay: -2s;
}

.bloom-3 {
  width: 200px;
  height: 300px;
  background: radial-gradient(circle, rgba(245, 158, 11, 0.4) 0%, transparent 70%);
  bottom: 20%;
  left: 50%;
  animation-delay: -4s;
}

/* Floating Paint Particles */
.paint-particle {
  position: absolute;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  animation: particleFloat 4s ease-in-out infinite;
}

.particle-1 { 
  background: radial-gradient(circle, rgba(236, 72, 153, 0.8), transparent);
  top: 25%; left: 20%; animation-delay: 0s; 
}
.particle-2 { 
  background: radial-gradient(circle, rgba(59, 130, 246, 0.8), transparent);
  top: 40%; left: 80%; animation-delay: -1s; 
}
.particle-3 { 
  background: radial-gradient(circle, rgba(245, 158, 11, 0.8), transparent);
  top: 65%; left: 25%; animation-delay: -2s; 
}
.particle-4 { 
  background: radial-gradient(circle, rgba(168, 85, 247, 0.8), transparent);
  top: 30%; left: 60%; animation-delay: -3s; 
}
.particle-5 { 
  background: radial-gradient(circle, rgba(34, 197, 94, 0.8), transparent);
  top: 75%; left: 70%; animation-delay: -0.5s; 
}
.particle-6 { 
  background: radial-gradient(circle, rgba(236, 72, 153, 0.6), transparent);
  top: 50%; left: 45%; animation-delay: -1.5s; 
}

/* Central Loading Content */
.loading-content {
  position: relative;
  z-index: 10;
  text-align: center;
  max-width: 500px;
  padding: 3rem 2rem;
  background: rgba(255, 255, 255, 0.4);
  backdrop-filter: blur(30px) saturate(180%);
  border-radius: 2rem;
  border: 2px solid rgba(255, 255, 255, 0.3);
  box-shadow: 
    0 20px 40px rgba(0, 0, 0, 0.1),
    0 10px 20px rgba(0, 0, 0, 0.05),
    inset 0 2px 0 rgba(255, 255, 255, 0.5);
}

/* Loading Logo */
.loading-logo {
  margin-bottom: 2rem;
  animation: logoGlow 3s ease-in-out infinite;
}

.logo-image {
  max-width: 200px;
  height: auto;
  filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.1));
}

/* Loading Text */
.loading-title {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 1.5rem;
  font-weight: 600;
  color: #64748b;
  margin: 0 0 0.5rem 0;
  animation: textShimmer 2s ease-in-out infinite;
}

.loading-brand {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 2.5rem;
  font-weight: 800;
  margin: 0 0 0.5rem 0;
  background: linear-gradient(90deg, 
    #ec4899, #eab308, #2563eb, #7c3aed, #059669
  );
  background-size: 200% 100%;
  background-clip: text;
  -webkit-background-clip: text;
  color: transparent;
  animation: gradientFlow 3s linear infinite;
}

.loading-subtitle {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 1.2rem;
  font-weight: 500;
  color: #64748b;
  margin: 0 0 2rem 0;
  animation: textShimmer 2s ease-in-out infinite;
  animation-delay: 0.5s;
}

/* Paint Brush Loader */
.paint-brush-loader {
  position: relative;
  width: 80px;
  height: 120px;
  margin: 0 auto 2rem;
  animation: brushDance 3s ease-in-out infinite;
}

.brush-handle {
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 8px;
  height: 60px;
  background: linear-gradient(180deg, #8b4513 0%, #654321 100%);
  border-radius: 4px;
}

.brush-ferrule {
  position: absolute;
  bottom: 55px;
  left: 50%;
  transform: translateX(-50%);
  width: 12px;
  height: 20px;
  background: linear-gradient(180deg, #c0c0c0 0%, #808080 100%);
  border-radius: 2px;
}

.brush-bristles {
  position: absolute;
  bottom: 70px;
  left: 50%;
  transform: translateX(-50%);
  width: 16px;
  height: 40px;
}

.bristle {
  position: absolute;
  width: 2px;
  background: linear-gradient(180deg, #2c2c2c 0%, #000000 100%);
  border-radius: 1px;
  animation: bristleWave 2s ease-in-out infinite;
}

.bristle-1 { left: 2px; height: 35px; animation-delay: 0s; }
.bristle-2 { left: 5px; height: 40px; animation-delay: 0.2s; }
.bristle-3 { left: 8px; height: 38px; animation-delay: 0.4s; }
.bristle-4 { left: 11px; height: 36px; animation-delay: 0.6s; }
.bristle-5 { left: 14px; height: 34px; animation-delay: 0.8s; }

.paint-drop {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  width: 6px;
  height: 8px;
  background: radial-gradient(circle, #ec4899 0%, #7c3aed 100%);
  border-radius: 50% 50% 50% 50% / 60% 60% 40% 40%;
  animation: paintDrop 2s ease-in-out infinite;
}

/* Color Flow Progress Bar */
.color-flow-progress {
  width: 100%;
  margin-top: 1rem;
}

.flow-track {
  position: relative;
  width: 100%;
  height: 8px;
  background: rgba(255, 255, 255, 0.3);
  border-radius: 4px;
  overflow: hidden;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.flow-fill {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, 
    #ec4899 0%, #eab308 25%, #2563eb 50%, #7c3aed 75%, #059669 100%
  );
  border-radius: 4px;
  transition: width 0.3s ease-out;
  animation: flowPulse 1.5s ease-in-out infinite;
}

.flow-shimmer {
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, 
    transparent 0%, 
    rgba(255, 255, 255, 0.6) 50%, 
    transparent 100%
  );
  animation: shimmerSlide 2s linear infinite;
}

.progress-text {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 0.9rem;
  font-weight: 500;
  color: #64748b;
  margin-top: 1rem;
  animation: textPulse 2s ease-in-out infinite;
}

/* Decorative Palette Circles */
.loading-decorations {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 5;
  pointer-events: none;
}

.palette-circle {
  position: absolute;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  animation: paletteFloat 5s ease-in-out infinite;
}

.palette-1 {
  background: radial-gradient(circle, #ec4899, #be185d);
  top: 15%;
  left: 15%;
  animation-delay: 0s;
}

.palette-2 {
  background: radial-gradient(circle, #2563eb, #1d4ed8);
  top: 25%;
  right: 20%;
  animation-delay: -1.5s;
}

.palette-3 {
  background: radial-gradient(circle, #eab308, #d97706);
  bottom: 30%;
  left: 25%;
  animation-delay: -3s;
}

.palette-4 {
  background: radial-gradient(circle, #7c3aed, #5b21b6);
  bottom: 20%;
  right: 30%;
  animation-delay: -4.5s;
}

/* Animations */
@keyframes paintStreamFlow {
  0% { transform: translateX(-150%) rotate(2deg); opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { transform: translateX(150%) rotate(2deg); opacity: 0; }
}

@keyframes colorBloom {
  0%, 100% { transform: scale(1) rotate(0deg); opacity: 0.3; }
  50% { transform: scale(1.2) rotate(5deg); opacity: 0.5; }
}

@keyframes particleFloat {
  0%, 100% { transform: translateY(0) scale(1); opacity: 0.8; }
  25% { transform: translateY(-20px) scale(1.2); opacity: 1; }
  75% { transform: translateY(-10px) scale(0.9); opacity: 0.9; }
}

@keyframes logoGlow {
  0%, 100% { transform: scale(1); filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.1)); }
  50% { transform: scale(1.02); filter: drop-shadow(0 6px 16px rgba(236, 72, 153, 0.2)); }
}

@keyframes textShimmer {
  0%, 100% { opacity: 0.8; }
  50% { opacity: 1; }
}

@keyframes gradientFlow {
  0% { background-position: 0% 50%; }
  100% { background-position: 200% 50%; }
}

@keyframes brushDance {
  0%, 100% { transform: rotate(0deg) translateY(0); }
  25% { transform: rotate(-3deg) translateY(-2px); }
  75% { transform: rotate(3deg) translateY(-4px); }
}

@keyframes bristleWave {
  0%, 100% { transform: scaleY(1) rotate(0deg); }
  50% { transform: scaleY(1.1) rotate(2deg); }
}

@keyframes paintDrop {
  0%, 100% { transform: translateX(-50%) scale(1); opacity: 1; }
  50% { transform: translateX(-50%) scale(1.2); opacity: 0.8; }
  75% { transform: translateX(-50%) translateY(5px) scale(0.8); opacity: 0.6; }
}

@keyframes flowPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.8; }
}

@keyframes shimmerSlide {
  0% { left: -100%; }
  100% { left: 100%; }
}

@keyframes textPulse {
  0%, 100% { opacity: 0.7; }
  50% { opacity: 1; }
}

@keyframes paletteFloat {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  33% { transform: translateY(-10px) rotate(120deg); }
  66% { transform: translateY(-5px) rotate(240deg); }
}

/* Responsive Design */
@media (max-width: 768px) {
  .loading-content {
    max-width: 90%;
    padding: 2rem 1.5rem;
  }
  
  .loading-brand {
    font-size: 2rem;
  }
  
  .loading-title {
    font-size: 1.2rem;
  }
  
  .loading-subtitle {
    font-size: 1rem;
  }
  
  .logo-image {
    max-width: 150px;
  }
  
  .paint-brush-loader {
    width: 60px;
    height: 90px;
  }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
  #premium-loading-overlay,
  .loading-content,
  .logo-image,
  .loading-brand,
  .paint-brush-loader,
  .flow-fill {
    animation: none !important;
  }
  
  .paint-stream,
  .color-bloom,
  .paint-particle,
  .palette-circle {
    animation: none !important;
    opacity: 0.3 !important;
  }
}