/* Custom styles for Baseball Pitch Analyzer */
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Upload area hover effects */
#upload-area:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

#upload-area.dragover {
  background-color: rgba(59, 130, 246, 0.1);
  border-color: #3b82f6;
}

/* Canvas styling */
#analysis-canvas {
  border: 2px solid rgba(255, 255, 255, 0.2);
  border-radius: 8px;
}

#trajectory-chart {
  border-radius: 8px;
}

/* Loading animation */
.fa-spinner {
  animation: spin 1s linear infinite;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* Stress analysis cards */
.stress-card {
  transition: all 0.3s ease;
}

.stress-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

/* Custom scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.3);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.5);
}

/* Video controls styling */
video {
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

/* Button animations */
.btn-animate {
  transition: all 0.3s ease;
}

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

/* Responsive design improvements */
@media (max-width: 768px) {
  .container {
    padding-left: 1rem;
    padding-right: 1rem;
  }
  
  .text-5xl {
    font-size: 2.5rem;
  }
  
  .text-2xl {
    font-size: 1.5rem;
  }
  
  #upload-area {
    padding: 2rem;
  }
  
  .fa-6x {
    font-size: 3rem !important;
  }
}

/* Skeleton animation keyframes */
@keyframes skeleton-pulse {
  0%, 100% { opacity: 0.7; }
  50% { opacity: 1; }
}

.skeleton-joint {
  animation: skeleton-pulse 1s ease-in-out infinite;
}

/* Trajectory line glow effect */
.trajectory-glow {
  filter: drop-shadow(0 0 6px #ffff00);
}

/* Risk level indicators */
.risk-low { color: #10b981; }
.risk-medium { color: #f59e0b; }
.risk-high { color: #ef4444; }