/* ============================================
   REDSRACING PREMIUM VISUAL EFFECTS
   Glassmorphism, Animations, Custom Cursor, Micro-interactions
   ============================================ */

/* =========================
   CUSTOM RACING CURSOR
   ========================= */
* {
  cursor: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="32" height="32" viewBox="0 0 32 32"><circle cx="16" cy="16" r="10" fill="%23fbbf24" opacity="0.3"/><circle cx="16" cy="16" r="4" fill="%23fbbf24"/></svg>') 16 16, auto;
}

a, button, .clickable {
  cursor: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="32" height="32" viewBox="0 0 32 32"><circle cx="16" cy="16" r="12" fill="%23dc2626" opacity="0.4"/><circle cx="16" cy="16" r="6" fill="%23dc2626"/></svg>') 16 16, pointer;
}

/* =========================
   CUSTOM SCROLLBAR
   ========================= */
::-webkit-scrollbar {
  width: 12px;
  height: 12px;
}

::-webkit-scrollbar-track {
  background: #0f172a;
  border-left: 1px solid rgba(251, 191, 36, 0.1);
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, #dc2626 0%, #fbbf24 100%);
  border-radius: 6px;
  border: 2px solid #0f172a;
}

::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, #ef4444 0%, #f59e0b 100%);
  box-shadow: 0 0 10px rgba(251, 191, 36, 0.5);
}

/* Firefox scrollbar */
* {
  scrollbar-width: thin;
  scrollbar-color: #dc2626 #0f172a;
}

/* =========================
   GLASSMORPHISM CARDS
   ========================= */
.glass-card {
  background: rgba(30, 41, 59, 0.4);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 16px;
  box-shadow: 
    0 8px 32px rgba(0, 0, 0, 0.3),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.glass-card:hover {
  background: rgba(30, 41, 59, 0.6);
  border-color: rgba(251, 191, 36, 0.3);
  box-shadow: 
    0 12px 48px rgba(0, 0, 0, 0.4),
    0 0 0 1px rgba(251, 191, 36, 0.2),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
  transform: translateY(-4px);
}

.glass-card-intense {
  background: rgba(15, 23, 42, 0.7);
  backdrop-filter: blur(30px) saturate(200%);
  -webkit-backdrop-filter: blur(30px) saturate(200%);
}

/* =========================
   ANIMATED GRADIENT BORDERS
   ========================= */
.gradient-border {
  position: relative;
  border-radius: 16px;
  padding: 2px;
  background: linear-gradient(45deg, #dc2626, #fbbf24, #3b82f6, #dc2626);
  background-size: 300% 300%;
  animation: gradientRotate 4s ease-in-out infinite;
}

.gradient-border-content {
  background: #0f172a;
  border-radius: 14px;
  padding: 1.5rem;
  position: relative;
  z-index: 1;
}

@keyframes gradientRotate {
  0%, 100% { background-position: 0% 50%; }
  25% { background-position: 100% 50%; }
  50% { background-position: 100% 100%; }
  75% { background-position: 0% 100%; }
}

.gradient-border-fast {
  animation: gradientRotate 2s linear infinite;
}

/* =========================
   PREMIUM HOVER EFFECTS
   ========================= */
.premium-hover {
  position: relative;
  overflow: hidden;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.premium-hover::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(251, 191, 36, 0.2), transparent);
  transition: left 0.6s ease;
}

.premium-hover:hover::before {
  left: 100%;
}

.premium-hover::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at center, rgba(251, 191, 36, 0.1), transparent 70%);
  opacity: 0;
  transition: opacity 0.4s ease;
}

.premium-hover:hover::after {
  opacity: 1;
}

.premium-hover:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 
    0 20px 60px rgba(0, 0, 0, 0.4),
    0 0 0 1px rgba(251, 191, 36, 0.3),
    0 0 40px rgba(251, 191, 36, 0.2);
}

/* 3D Hover Effect */
.hover-3d {
  transform-style: preserve-3d;
  transition: transform 0.4s ease;
}

.hover-3d:hover {
  transform: perspective(1000px) rotateX(5deg) rotateY(-5deg) translateY(-10px);
}

/* Magnetic Hover */
.hover-magnetic {
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.hover-magnetic:hover {
  transform: scale(1.05);
  filter: brightness(1.2);
}

/* =========================
   MICRO-INTERACTIONS
   ========================= */

/* Button Press Effect */
.btn-press {
  transition: all 0.1s ease;
}

.btn-press:active {
  transform: scale(0.95);
  box-shadow: inset 0 4px 8px rgba(0, 0, 0, 0.4);
}

/* Ripple Effect */
.ripple {
  position: relative;
  overflow: hidden;
}

.ripple::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(251, 191, 36, 0.5);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.ripple:active::after {
  width: 300px;
  height: 300px;
}

/* Card Flip */
.flip-card {
  perspective: 1000px;
  height: 300px;
}

.flip-card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transition: transform 0.8s;
  transform-style: preserve-3d;
}

.flip-card:hover .flip-card-inner {
  transform: rotateY(180deg);
}

.flip-card-front,
.flip-card-back {
  position: absolute;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  border-radius: 16px;
}

.flip-card-back {
  transform: rotateY(180deg);
}

/* Shake Animation */
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-5px) rotate(-2deg); }
  75% { transform: translateX(5px) rotate(2deg); }
}

.shake-on-hover:hover {
  animation: shake 0.5s ease-in-out;
}

/* Bounce */
@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.bounce-on-hover:hover {
  animation: bounce 0.6s ease-in-out infinite;
}

/* =========================
   SKELETON LOADING SCREENS
   ========================= */
.skeleton {
  background: linear-gradient(
    90deg,
    rgba(255, 255, 255, 0.05) 0%,
    rgba(255, 255, 255, 0.1) 50%,
    rgba(255, 255, 255, 0.05) 100%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: 8px;
}

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

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

.skeleton-title {
  height: 2rem;
  width: 60%;
  margin-bottom: 1rem;
}

.skeleton-image {
  height: 200px;
  width: 100%;
}

.skeleton-card {
  padding: 1.5rem;
  border-radius: 16px;
}

/* =========================
   PAGE TRANSITIONS
   ========================= */
.page-transition {
  animation: fadeInUp 0.6s ease-out;
}

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

.page-transition-slow {
  animation: fadeInUp 1s ease-out;
}

/* Slide transitions */
.slide-in-left {
  animation: slideInLeft 0.6s ease-out;
}

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

.slide-in-right {
  animation: slideInRight 0.6s ease-out;
}

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

/* =========================
   IMAGE LAZY LOAD BLUR-UP
   ========================= */
.lazy-image {
  filter: blur(20px);
  transition: filter 0.5s ease-out;
}

.lazy-image.loaded {
  filter: blur(0);
}

.lazy-container {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
}

.lazy-placeholder {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(251, 191, 36, 0.1) 0%,
    rgba(220, 38, 38, 0.1) 100%
  );
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* =========================
   DARK MODE TOGGLE
   ========================= */
.dark-mode-toggle {
  position: relative;
  width: 60px;
  height: 30px;
  background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
  border-radius: 30px;
  cursor: pointer;
  border: 2px solid rgba(251, 191, 36, 0.2);
  transition: all 0.4s ease;
}

.dark-mode-toggle::before {
  content: '🌙';
  position: absolute;
  left: 5px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 16px;
  transition: all 0.4s ease;
}

.dark-mode-toggle.active {
  background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
}

.dark-mode-toggle.active::before {
  content: '☀️';
  left: 32px;
}

.dark-mode-toggle-slider {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 24px;
  height: 24px;
  background: white;
  border-radius: 50%;
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.dark-mode-toggle.active .dark-mode-toggle-slider {
  transform: translateX(30px);
}

/* Dark mode styles */
body.light-mode {
  background: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%);
  color: #0f172a;
  transition: all 0.6s ease;
}

body.light-mode .glass-card {
  background: rgba(255, 255, 255, 0.7);
  border-color: rgba(0, 0, 0, 0.1);
}

body.light-mode .gradient-border-content {
  background: #ffffff;
}

/* =========================
   MOBILE OPTIMIZED ANIMATIONS
   ========================= */
@media (max-width: 768px) {
  /* Reduce motion for mobile */
  .premium-hover:hover {
    transform: translateY(-4px) scale(1.01);
  }
  
  .hover-3d:hover {
    transform: translateY(-6px);
  }
  
  /* Faster animations */
  .page-transition {
    animation-duration: 0.4s;
  }
  
  /* Touch feedback */
  .touch-feedback:active {
    background: rgba(251, 191, 36, 0.1);
    transform: scale(0.98);
  }
}

/* =========================
   RACING THEMED ELEMENTS
   ========================= */

/* Checkered flag pattern */
.checkered-bg {
  background-image: 
    linear-gradient(45deg, #1e293b 25%, transparent 25%),
    linear-gradient(-45deg, #1e293b 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #1e293b 75%),
    linear-gradient(-45deg, transparent 75%, #1e293b 75%);
  background-size: 20px 20px;
  background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
  opacity: 0.05;
}

/* Racing stripes */
.racing-stripes {
  position: relative;
}

.racing-stripes::before,
.racing-stripes::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, #dc2626, #fbbf24);
  opacity: 0.5;
}

.racing-stripes::before {
  left: 30%;
}

.racing-stripes::after {
  right: 30%;
}

/* Speed lines effect */
@keyframes speedLines {
  0% {
    transform: translateX(0) scaleX(0);
    opacity: 0;
  }
  50% {
    opacity: 1;
  }
  100% {
    transform: translateX(-100%) scaleX(1);
    opacity: 0;
  }
}

.speed-effect::before {
  content: '';
  position: absolute;
  top: 50%;
  right: 0;
  width: 100px;
  height: 2px;
  background: linear-gradient(90deg, transparent, #fbbf24, transparent);
  animation: speedLines 1.5s ease-in-out infinite;
}

/* =========================
   UTILITY CLASSES
   ========================= */
.transition-smooth { transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1); }
.transition-fast { transition: all 0.2s ease; }
.transition-slow { transition: all 0.8s ease; }

.glow-yellow {
  box-shadow: 0 0 20px rgba(251, 191, 36, 0.4);
}

.glow-red {
  box-shadow: 0 0 20px rgba(220, 38, 38, 0.4);
}

.glow-blue {
  box-shadow: 0 0 20px rgba(59, 130, 246, 0.4);
}

/* Perspective for 3D effects */
.perspective-1000 {
  perspective: 1000px;
}

.preserve-3d {
  transform-style: preserve-3d;
}