frontend/app/globals.css

@import "tailwindcss";

:root {
  /* Color System - Vibrant Gradients */
  --color-primary-start: #3b82f6; /* blue-500 */
  --color-primary-end: #06b6d4; /* cyan-500 */
  --color-secondary-start: #fb923c; /* orange-400 */
  --color-secondary-end: #ec4899; /* pink-500 */
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-error: #ef4444;
  
  /* Background */
  --background: linear-gradient(135deg, #f9fafb 0%, #f3f4f6 100%);
  --foreground: #111827;
  
  /* Glassmorphism */
  --glass-bg: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(255, 255, 255, 0.18);
  --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-glow: 0 0 20px rgba(59, 130, 246, 0.3);
  
  /* Spacing */
  --spacing-xs: 0.25rem; /* 4px */
  --spacing-sm: 0.5rem; /* 8px */
  --spacing-md: 1rem; /* 16px */
  --spacing-lg: 1.5rem; /* 24px */
  --spacing-xl: 2rem; /* 32px */
  --spacing-2xl: 3rem; /* 48px */
  --spacing-3xl: 4rem; /* 64px */
  
  /* Border Radius */
  --radius-sm: 0.5rem; /* 8px */
  --radius-md: 0.75rem; /* 12px */
  --radius-lg: 1rem; /* 16px */
  --radius-xl: 1.5rem; /* 24px */
  
  /* Transitions */
  --transition-fast: 150ms ease-out;
  --transition-base: 250ms ease-out;
  --transition-slow: 350ms ease-out;
}

body {
  background: var(--background);
  background-attachment: fixed;
  color: var(--foreground);
  font-family: var(--font-inter), system-ui, -apple-system, sans-serif;
  min-height: 100vh;
}

/* Gradient Background Animation */
@keyframes gradient-shift {
  0%, 100% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
}

.gradient-bg {
  background: linear-gradient(-45deg, #3b82f6, #06b6d4, #fb923c, #ec4899);
  background-size: 400% 400%;
  animation: gradient-shift 15s ease infinite;
}

/* Glassmorphism Effect */
.glass {
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
}

/* Smooth Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateX(-20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes pulse-glow {
  0%, 100% {
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.3);
  }
  50% {
    box-shadow: 0 0 30px rgba(59, 130, 246, 0.5);
  }
}

.animate-fade-in {
  animation: fadeIn 0.5s ease-out;
}

.animate-slide-in {
  animation: slideIn 0.4s ease-out;
}

.animate-scale-in {
  animation: scaleIn 0.3s ease-out;
}

@keyframes infoTooltipEnter {
  from {
    opacity: 0;
    transform: scale(0.96);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.info-tooltip-enter {
  animation: infoTooltipEnter 0.15s ease-out;
}

.animate-pulse-glow {
  animation: pulse-glow 2s ease-in-out infinite;
}

/* Hover Effects */
.hover-lift {
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.hover-lift:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.hover-glow {
  transition: box-shadow var(--transition-base);
}

.hover-glow:hover {
  box-shadow: var(--shadow-glow);
}

/* Gradient Text */
.gradient-text {
  background: linear-gradient(135deg, var(--color-primary-start), var(--color-primary-end));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.gradient-text-secondary {
  background: linear-gradient(135deg, var(--color-secondary-start), var(--color-secondary-end));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: #f1f1f1;
  border-radius: 10px;
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(135deg, var(--color-primary-start), var(--color-primary-end));
  border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(135deg, var(--color-primary-end), var(--color-primary-start));
}

/* Selection */
::selection {
  background: rgba(59, 130, 246, 0.3);
  color: inherit;
}

/* Shimmer animation for skeleton loaders */
@keyframes shimmer {
  0% {
    background-position: -200% 0;
  }
  100% {
    background-position: 200% 0;
  }
}

.animate-shimmer {
  animation: shimmer 2s linear infinite;
}

/* Grid pattern background */
.bg-grid-pattern {
  background-image: 
    linear-gradient(to right, rgba(0,0,0,0.1) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(0,0,0,0.1) 1px, transparent 1px);
  background-size: 20px 20px;
}

/* Slow spin animation for icons */
@keyframes spin-slow {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

.animate-spin-slow {
  animation: spin-slow 3s linear infinite;
}

/* Enhanced gradient shift for progress bar */
@keyframes gradient-shift {
  0%, 100% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
}