/* Apple Human Interface Guidelines Custom Styling & Micro-transitions */
:root {
  --apple-canvas: #FBFBFD;
  --apple-card: #FFFFFF;
  --apple-parchment: #F5F5F7;
  --apple-border: rgba(0, 0, 0, 0.06);
  --apple-dark: #1D1D1F;
  --apple-subtext: #86868B;
  --apple-blue: #0071E3;
  --apple-green: #34C759;
  --apple-orange: #FF9500;
  --apple-red: #FF3B30;
  --apple-indigo: #5856D6;
}

body {
  background-color: var(--apple-canvas);
  color: var(--apple-dark);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Inter", sans-serif;
  -webkit-font-smoothing: antialiased;
}

.tabular {
  font-variant-numeric: tabular-nums;
}

/* Custom Scrollbar */
.custom-scrollbar::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
.custom-scrollbar::-webkit-scrollbar-track {
  background: var(--apple-parchment);
}
.custom-scrollbar::-webkit-scrollbar-thumb {
  background: #D1D1D6;
  border-radius: 4px;
}
.custom-scrollbar::-webkit-scrollbar-thumb:hover {
  background: #AEAEB2;
}

/* Apple Floating Card Elevation */
.apple-card {
  background: var(--apple-card);
  border: 1px solid var(--apple-border);
  border-radius: 18px;
  box-shadow: 0 4px 20px -2px rgba(0, 0, 0, 0.04), 0 2px 6px -1px rgba(0, 0, 0, 0.02);
  transition: all 0.22s cubic-bezier(0.16, 1, 0.3, 1);
}

.apple-card:hover {
  box-shadow: 0 10px 25px -4px rgba(0, 0, 0, 0.07), 0 4px 10px -2px rgba(0, 0, 0, 0.03);
}

/* Glassmorphism Header */
.glass-header {
  background: rgba(251, 251, 253, 0.82);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--apple-border);
}

/* Micro-animations */
@keyframes pulseSubtle {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.75; transform: scale(0.95); }
}

.pulse-live {
  animation: pulseSubtle 2.5s infinite ease-in-out;
}