@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800;900&family=Space+Grotesk:wght@400;500;600;700&family=JetBrains+Mono:wght@400;600;700&display=swap');

:root {
  --font-main: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-heading: 'Space Grotesk', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

body {
  font-family: var(--font-main);
  background-color: #020617;
  color: #f8fafc;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
}

.font-mono {
  font-family: var(--font-mono);
}

/* Custom Scrollbar */
.custom-scrollbar::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

.custom-scrollbar::-webkit-scrollbar-track {
  background: rgba(15, 23, 42, 0.6);
  border-radius: 999px;
}

.custom-scrollbar::-webkit-scrollbar-thumb {
  background: rgba(51, 65, 85, 0.8);
  border-radius: 999px;
}

.custom-scrollbar::-webkit-scrollbar-thumb:hover {
  background: rgba(6, 182, 212, 0.6);
}

/* 3D Flashcard Styles */
.perspective-1000 {
  perspective: 1000px;
}

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

.backface-hidden {
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}

.rotate-y-180 {
  transform: rotateY(180deg);
}

.flip-card-inner {
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* Screen Shake Animation */
@keyframes shake {
  0%, 100% { transform: translate(0, 0); }
  20% { transform: translate(-8px, 4px); }
  40% { transform: translate(8px, -4px); }
  60% { transform: translate(-6px, -2px); }
  80% { transform: translate(6px, 2px); }
}

.animate-shake {
  animation: shake 0.3s cubic-bezier(0.36, 0.07, 0.19, 0.97) both;
}

/* Fade In Animation */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate-fadeIn {
  animation: fadeIn 0.35s ease-out forwards;
}

/* Scale Up Animation */
@keyframes scaleUp {
  from { opacity: 0; transform: scale(0.94); }
  to { opacity: 1; transform: scale(1); }
}

.animate-scaleUp {
  animation: scaleUp 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* Cyber Laser Glow Effects */
.glow-cyan {
  box-shadow: 0 0 25px rgba(6, 182, 212, 0.5);
}

.glow-purple {
  box-shadow: 0 0 25px rgba(168, 85, 247, 0.5);
}

.glow-emerald {
  box-shadow: 0 0 25px rgba(16, 185, 129, 0.5);
}

.glow-amber {
  box-shadow: 0 0 25px rgba(245, 158, 11, 0.5);
}