/* Instagram-style CSS for Lovart.pro */
/* Root variables for consistent theming */
:root {
  --glass: rgba(255, 255, 255, 0.7);
  --glass-dark: rgba(255, 255, 255, 0.1);
  --shadow-light: 0 10px 30px rgba(0, 0, 0, 0.08);
  --shadow-medium: 0 16px 40px rgba(0, 0, 0, 0.12);
  --shadow-heavy: 0 20px 50px rgba(0, 0, 0, 0.15);
  --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --gradient-tertiary: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
  --border-radius-sm: 0.75rem;
  --border-radius-md: 1.25rem;
  --border-radius-lg: 1.75rem;
  --border-radius-xl: 2rem;
}

/* Glass morphism card component */
.ins-card {
  display: block;
  padding: 1.25rem;
  border-radius: var(--border-radius-md);
  background: var(--glass);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: var(--shadow-light);
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
  text-decoration: none;
  color: inherit;
}

.ins-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-medium);
  background: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  color: inherit;
}

.ins-card:active {
  transform: translateY(0);
  box-shadow: var(--shadow-light);
}

/* Enhanced glass effect for special elements */
.ins-glass {
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

/* Gradient text effects */
.ins-gradient-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.ins-gradient-text-secondary {
  background: var(--gradient-secondary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.ins-gradient-text-tertiary {
  background: var(--gradient-tertiary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Button styles with glass effect */
.ins-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border-radius: var(--border-radius-md);
  background: var(--glass);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: var(--shadow-light);
  transition: all 0.2s ease;
  text-decoration: none;
  font-weight: 600;
  cursor: pointer;
}

.ins-button:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-medium);
  background: rgba(255, 255, 255, 0.8);
}

.ins-button-primary {
  background: var(--gradient-primary);
  color: white;
  border: none;
}

.ins-button-primary:hover {
  background: linear-gradient(135deg, #5a6fd8 0%, #6a4190 100%);
  color: white;
}

/* Input styles with glass effect */
.ins-input {
  background: var(--glass);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--border-radius-md);
  transition: all 0.2s ease;
}

.ins-input:focus {
  background: rgba(255, 255, 255, 0.9);
  border-color: rgba(102, 126, 234, 0.5);
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
  outline: none;
}

/* Navigation styles */
.ins-nav {
  background: var(--glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

/* Image styles with rounded corners and shadows */
.ins-image {
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-medium);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.ins-image:hover {
  transform: scale(1.02);
  box-shadow: var(--shadow-heavy);
}

/* Tag/badge styles */
.ins-tag {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: var(--border-radius-sm);
  background: var(--glass);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  font-size: 0.875rem;
  font-weight: 500;
  transition: all 0.2s ease;
}

.ins-tag:hover {
  background: rgba(255, 255, 255, 0.8);
  transform: translateY(-1px);
}

/* Loading animation */
.ins-loading {
  position: relative;
  overflow: hidden;
}

.ins-loading::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.4),
    transparent
  );
  animation: ins-shimmer 1.5s infinite;
}

@keyframes ins-shimmer {
  0% {
    left: -100%;
  }
  100% {
    left: 100%;
  }
}

/* Floating animation for hero elements */
.ins-float {
  animation: ins-float 3s ease-in-out infinite;
}

@keyframes ins-float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

/* Pulse animation for call-to-action elements */
.ins-pulse {
  animation: ins-pulse 2s infinite;
}

@keyframes ins-pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.8;
  }
}

/* Grid layout helpers */
.ins-grid {
  display: grid;
  gap: 1.5rem;
}

.ins-grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.ins-grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.ins-grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

/* Responsive utilities */
@media (max-width: 768px) {
  .ins-card {
    padding: 1rem;
    border-radius: var(--border-radius-sm);
  }
  
  .ins-grid {
    gap: 1rem;
  }
  
  .ins-grid-2,
  .ins-grid-3,
  .ins-grid-4 {
    grid-template-columns: 1fr;
  }
}

/* Dark mode support (optional) */
@media (prefers-color-scheme: dark) {
  :root {
    --glass: rgba(0, 0, 0, 0.3);
    --glass-dark: rgba(0, 0, 0, 0.5);
  }
  
  .ins-card {
    background: var(--glass-dark);
    border-color: rgba(255, 255, 255, 0.1);
  }
  
  .ins-card:hover {
    background: rgba(0, 0, 0, 0.4);
  }
  
  .ins-input {
    background: var(--glass-dark);
    border-color: rgba(255, 255, 255, 0.1);
    color: white;
  }
  
  .ins-input:focus {
    background: rgba(0, 0, 0, 0.6);
  }
}

/* Accessibility improvements */
.ins-card:focus,
.ins-button:focus {
  outline: 2px solid rgba(102, 126, 234, 0.5);
  outline-offset: 2px;
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  .ins-card,
  .ins-button,
  .ins-image,
  .ins-tag {
    transition: none;
  }
  
  .ins-float,
  .ins-pulse,
  .ins-loading::before {
    animation: none;
  }
}