/**
 * UX Enhancements 2026 - Modern Design Trends
 * Includes: Glassmorphism, Neumorphism, Micro-interactions, Smooth Animations
 */

/* ========================================
   GLASSMORPHISM EFFECTS (2026 Trend)
   ======================================== */

.glass-card {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 16px;
  box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.15);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.glass-card:hover {
  background: rgba(255, 255, 255, 0.15);
  transform: translateY(-2px);
  box-shadow: 0 12px 40px 0 rgba(31, 38, 135, 0.25);
}

.glass-button {
  background: rgba(10, 132, 255, 0.2);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(10, 132, 255, 0.3);
  border-radius: 12px;
  padding: 12px 24px;
  color: #0a84ff;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.glass-button:hover {
  background: rgba(10, 132, 255, 0.3);
  transform: scale(1.02);
  box-shadow: 0 8px 24px rgba(10, 132, 255, 0.3);
}

/* ========================================
   NEUMORPHISM EFFECTS (Soft UI)
   ======================================== */

.neuro-card {
  background: #f0f0f0;
  border-radius: 20px;
  box-shadow: 
    8px 8px 16px rgba(163, 177, 198, 0.6),
    -8px -8px 16px rgba(255, 255, 255, 0.5);
  padding: 24px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.neuro-card:hover {
  box-shadow: 
    12px 12px 24px rgba(163, 177, 198, 0.7),
    -12px -12px 24px rgba(255, 255, 255, 0.6);
}

.neuro-button {
  background: #f0f0f0;
  border: none;
  border-radius: 12px;
  padding: 12px 32px;
  box-shadow: 
    6px 6px 12px rgba(163, 177, 198, 0.6),
    -6px -6px 12px rgba(255, 255, 255, 0.5);
  cursor: pointer;
  transition: all 0.2s ease;
}

.neuro-button:active {
  box-shadow: 
    inset 4px 4px 8px rgba(163, 177, 198, 0.6),
    inset -4px -4px 8px rgba(255, 255, 255, 0.5);
}

/* ========================================
   MICRO-INTERACTIONS (Smooth Animations)
   ======================================== */

/* Smooth scale on hover */
.interactive-scale {
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.interactive-scale:hover {
  transform: scale(1.05);
}

/* Smooth lift effect */
.interactive-lift {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.interactive-lift:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.12);
}

/* Button ripple effect */
.ripple-button {
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
}

.ripple-button::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.ripple-button:active::before {
  width: 300px;
  height: 300px;
}

/* Smooth glow effect */
.glow-effect {
  position: relative;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.glow-effect::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  opacity: 0;
  background: linear-gradient(135deg, rgba(10, 132, 255, 0.3), rgba(16, 185, 129, 0.3));
  filter: blur(20px);
  transition: opacity 0.3s ease;
  z-index: -1;
}

.glow-effect:hover::after {
  opacity: 1;
}

/* ========================================
   LOADING STATES (Skeleton Screens)
   ======================================== */

.skeleton {
  background: linear-gradient(
    90deg,
    rgba(240, 240, 240, 1) 0%,
    rgba(230, 230, 230, 1) 50%,
    rgba(240, 240, 240, 1) 100%
  );
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s ease-in-out infinite;
  border-radius: 8px;
}

@keyframes skeleton-loading {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}

.skeleton-text {
  height: 16px;
  margin: 8px 0;
}

.skeleton-title {
  height: 24px;
  width: 60%;
  margin: 12px 0;
}

.skeleton-card {
  height: 200px;
  border-radius: 16px;
}

.skeleton-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
}

/* Shimmer effect for loading */
.shimmer {
  position: relative;
  overflow: hidden;
}

.shimmer::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.4),
    transparent
  );
  animation: shimmer-slide 2s infinite;
}

@keyframes shimmer-slide {
  to {
    left: 100%;
  }
}

/* ========================================
   SMOOTH TRANSITIONS & ANIMATIONS
   ======================================== */

/* Page transition */
.page-enter {
  animation: pageEnter 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes pageEnter {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Fade in up */
.fade-in-up {
  animation: fadeInUp 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* Slide in from right */
.slide-in-right {
  animation: slideInRight 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Scale in */
.scale-in {
  animation: scaleIn 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* ========================================
   PROGRESS INDICATORS
   ======================================== */

.progress-ring {
  transform: rotate(-90deg);
}

.progress-ring-circle {
  stroke-dasharray: 283;
  stroke-dashoffset: 283;
  transition: stroke-dashoffset 0.5s ease;
}

.progress-bar-modern {
  position: relative;
  height: 8px;
  background: rgba(0, 0, 0, 0.05);
  border-radius: 8px;
  overflow: hidden;
}

.progress-bar-fill-modern {
  height: 100%;
  background: linear-gradient(90deg, #0a84ff, #10b981);
  border-radius: 8px;
  transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.progress-bar-fill-modern::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.3),
    transparent
  );
  animation: progress-shimmer 2s infinite;
}

@keyframes progress-shimmer {
  0% {
    transform: translateX(-100%);
  }
  100% {
    transform: translateX(100%);
  }
}

/* Spinner */
.spinner-modern {
  width: 40px;
  height: 40px;
  border: 4px solid rgba(10, 132, 255, 0.1);
  border-top-color: #0a84ff;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* ========================================
   ACCESSIBILITY IMPROVEMENTS
   ======================================== */

/* Focus visible improvements */
*:focus-visible {
  outline: 3px solid #0a84ff;
  outline-offset: 2px;
  border-radius: 4px;
}

/* Skip to main content link */
.skip-to-main {
  position: absolute;
  top: -40px;
  left: 0;
  background: #0a84ff;
  color: white;
  padding: 8px 16px;
  text-decoration: none;
  border-radius: 0 0 8px 0;
  z-index: 100;
  transition: top 0.2s ease;
}

.skip-to-main:focus {
  top: 0;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  .glass-card {
    border: 2px solid currentColor;
  }
  
  .glass-button {
    border: 2px solid currentColor;
  }
}

/* Reduced motion for accessibility */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ========================================
   HOVER EFFECTS FOR CARDS
   ======================================== */

.card-modern {
  background: white;
  border-radius: 16px;
  padding: 24px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
}

.card-modern:hover {
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
  transform: translateY(-4px);
}

.card-modern:active {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

/* ========================================
   TOOLTIP MODERN
   ======================================== */

.tooltip-modern {
  position: relative;
}

.tooltip-modern::before {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(-8px);
  padding: 8px 12px;
  background: rgba(0, 0, 0, 0.9);
  color: white;
  border-radius: 8px;
  font-size: 14px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  backdrop-filter: blur(10px);
}

.tooltip-modern::after {
  content: '';
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 6px solid transparent;
  border-top-color: rgba(0, 0, 0, 0.9);
  opacity: 0;
  transition: opacity 0.2s ease;
}

.tooltip-modern:hover::before,
.tooltip-modern:hover::after {
  opacity: 1;
}

.tooltip-modern:hover::before {
  transform: translateX(-50%) translateY(-12px);
}

/* ========================================
   BADGE & PILL STYLES
   ======================================== */

.badge-modern {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 600;
  background: linear-gradient(135deg, #0a84ff 0%, #0066cc 100%);
  color: white;
  box-shadow: 0 2px 8px rgba(10, 132, 255, 0.3);
  animation: badge-pulse 2s ease-in-out infinite;
}

@keyframes badge-pulse {
  0%, 100% {
    box-shadow: 0 2px 8px rgba(10, 132, 255, 0.3);
  }
  50% {
    box-shadow: 0 4px 16px rgba(10, 132, 255, 0.5);
  }
}

/* ========================================
   GRADIENT TEXT
   ======================================== */

.gradient-text {
  background: linear-gradient(135deg, #0a84ff 0%, #10b981 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 700;
}

/* ========================================
   MODERN SCROLLBAR
   ======================================== */

::-webkit-scrollbar {
  width: 12px;
  height: 12px;
}

::-webkit-scrollbar-track {
  background: rgba(0, 0, 0, 0.05);
  border-radius: 10px;
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, #0a84ff, #0066cc);
  border-radius: 10px;
  border: 2px solid transparent;
  background-clip: padding-box;
}

::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, #0066cc, #0052a3);
  background-clip: padding-box;
}