@import "tailwindcss";
@import "tw-animate-css";

@custom-variant dark (&:is(.dark *));

/* Moved theme configuration before root to ensure proper variable resolution */
@theme inline {
  /* Professional typography with Inter for UI and JetBrains Mono for code */
  --font-sans: "Inter", ui-sans-serif, system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;

  /* Using direct oklch values instead of var() references in theme block */
  --color-background: oklch(0.99 0.002 240);
  --color-foreground: oklch(0.18 0.02 240);
  --color-card: oklch(1 0 0);
  --color-card-foreground: oklch(0.18 0.02 240);
  --color-popover: oklch(1 0 0);
  --color-popover-foreground: oklch(0.18 0.02 240);
  --color-primary: oklch(0.42 0.15 250);
  --color-primary-foreground: oklch(0.99 0 0);
  --color-secondary: oklch(0.95 0.01 240);
  --color-secondary-foreground: oklch(0.25 0.05 240);
  --color-muted: oklch(0.96 0.005 240);
  --color-muted-foreground: oklch(0.48 0.02 240);
  --color-accent: oklch(0.55 0.18 35);
  --color-accent-foreground: oklch(0.99 0 0);
  --color-destructive: oklch(0.55 0.22 25);
  --color-destructive-foreground: oklch(0.99 0 0);
  --color-border: oklch(0.92 0.005 240);
  --color-input: oklch(0.94 0.005 240);
  --color-ring: oklch(0.42 0.15 250);
  --color-success: oklch(0.58 0.15 145);
  --color-warning: oklch(0.68 0.18 65);
  --color-info: oklch(0.58 0.15 220);
  --color-chart-1: oklch(0.55 0.18 250);
  --color-chart-2: oklch(0.58 0.15 145);
  --color-chart-3: oklch(0.55 0.18 35);
  --color-chart-4: oklch(0.58 0.15 280);
  --color-chart-5: oklch(0.68 0.18 65);
  --radius-sm: calc(0.75rem - 4px);
  --radius-md: calc(0.75rem - 2px);
  --radius-lg: 0.75rem;
  --radius-xl: calc(0.75rem + 4px);
  --color-sidebar: oklch(0.98 0.002 240);
  --color-sidebar-foreground: oklch(0.18 0.02 240);
  --color-sidebar-primary: oklch(0.42 0.15 250);
  --color-sidebar-primary-foreground: oklch(0.99 0 0);
  --color-sidebar-accent: oklch(0.96 0.005 240);
  --color-sidebar-accent-foreground: oklch(0.25 0.05 240);
  --color-sidebar-border: oklch(0.92 0.005 240);
  --color-sidebar-ring: oklch(0.42 0.15 250);
}

:root {
  /* Professional color palette with deep blues and warm accents */
  --background: oklch(0.99 0.002 240);
  --foreground: oklch(0.18 0.02 240);
  --card: oklch(1 0 0);
  --card-foreground: oklch(0.18 0.02 240);
  --popover: oklch(1 0 0);
  --popover-foreground: oklch(0.18 0.02 240);
  --primary: oklch(0.42 0.15 250);
  --primary-foreground: oklch(0.99 0 0);
  --secondary: oklch(0.95 0.01 240);
  --secondary-foreground: oklch(0.25 0.05 240);
  --muted: oklch(0.96 0.005 240);
  --muted-foreground: oklch(0.48 0.02 240);
  --accent: oklch(0.55 0.18 35);
  --accent-foreground: oklch(0.99 0 0);
  --destructive: oklch(0.55 0.22 25);
  --destructive-foreground: oklch(0.99 0 0);
  --border: oklch(0.92 0.005 240);
  --input: oklch(0.94 0.005 240);
  --ring: oklch(0.42 0.15 250);
  --success: oklch(0.58 0.15 145);
  --warning: oklch(0.68 0.18 65);
  --info: oklch(0.58 0.15 220);
  --chart-1: oklch(0.55 0.18 250);
  --chart-2: oklch(0.58 0.15 145);
  --chart-3: oklch(0.55 0.18 35);
  --chart-4: oklch(0.58 0.15 280);
  --chart-5: oklch(0.68 0.18 65);
  --radius: 0.75rem;
  --sidebar: oklch(0.98 0.002 240);
  --sidebar-foreground: oklch(0.18 0.02 240);
  --sidebar-primary: oklch(0.42 0.15 250);
  --sidebar-primary-foreground: oklch(0.99 0 0);
  --sidebar-accent: oklch(0.96 0.005 240);
  --sidebar-accent-foreground: oklch(0.25 0.05 240);
  --sidebar-border: oklch(0.92 0.005 240);
  --sidebar-ring: oklch(0.42 0.15 250);
}

.dark {
  --background: oklch(0.12 0.01 240);
  --foreground: oklch(0.98 0.002 240);
  --card: oklch(0.15 0.01 240);
  --card-foreground: oklch(0.98 0.002 240);
  --popover: oklch(0.15 0.01 240);
  --popover-foreground: oklch(0.98 0.002 240);
  --primary: oklch(0.65 0.18 250);
  --primary-foreground: oklch(0.12 0.01 240);
  --secondary: oklch(0.22 0.02 240);
  --secondary-foreground: oklch(0.98 0.002 240);
  --muted: oklch(0.22 0.02 240);
  --muted-foreground: oklch(0.65 0.02 240);
  --accent: oklch(0.65 0.18 35);
  --accent-foreground: oklch(0.12 0.01 240);
  --destructive: oklch(0.55 0.22 25);
  --destructive-foreground: oklch(0.98 0.002 240);
  --border: oklch(0.25 0.02 240);
  --input: oklch(0.25 0.02 240);
  --ring: oklch(0.65 0.18 250);
  --success: oklch(0.58 0.15 145);
  --warning: oklch(0.68 0.18 65);
  --info: oklch(0.58 0.15 220);
  --chart-1: oklch(0.65 0.18 250);
  --chart-2: oklch(0.58 0.15 145);
  --chart-3: oklch(0.65 0.18 35);
  --chart-4: oklch(0.65 0.18 280);
  --chart-5: oklch(0.68 0.18 65);
  --sidebar: oklch(0.15 0.01 240);
  --sidebar-foreground: oklch(0.98 0.002 240);
  --sidebar-primary: oklch(0.65 0.18 250);
  --sidebar-primary-foreground: oklch(0.12 0.01 240);
  --sidebar-accent: oklch(0.22 0.02 240);
  --sidebar-accent-foreground: oklch(0.98 0.002 240);
  --sidebar-border: oklch(0.25 0.02 240);
  --sidebar-ring: oklch(0.65 0.18 250);
}

@layer base {
  * {
    @apply border-border outline-ring/50;
  }
  body {
    @apply bg-background text-foreground antialiased;
    font-feature-settings: "rlig" 1, "calt" 1;
  }
  
  /* Enhanced typography with better line heights and letter spacing */
  h1,
  h2,
  h3,
  h4,
  h5,
  h6 {
    @apply font-semibold tracking-tight;
    font-feature-settings: "kern" 1, "liga" 1;
  }
  h1 {
    @apply text-4xl leading-tight;
    letter-spacing: -0.02em;
  }
  h2 {
    @apply text-3xl leading-tight;
    letter-spacing: -0.01em;
  }
  h3 {
    @apply text-2xl leading-snug;
    letter-spacing: -0.01em;
  }
  h4 {
    @apply text-xl leading-snug;
  }
  p {
    @apply leading-relaxed;
  }
  
  /* Smooth scrolling */
  html {
    scroll-behavior: smooth;
  }
  
  /* Better focus styles */
  *:focus-visible {
    outline: none;
    box-shadow: 0 0 0 2px var(--ring), 0 0 0 4px var(--background);
  }
}

@layer utilities {
  /* Enhanced shadows for depth */
  .shadow-elevation {
    box-shadow: 
      0 1px 2px 0 rgba(0, 0, 0, 0.05),
      0 1px 3px 0 rgba(0, 0, 0, 0.1),
      0 1px 2px -1px rgba(0, 0, 0, 0.1);
  }

  /* Optimized animations for login page - GPU accelerated */
  @keyframes fadeInLeft {
    from {
      opacity: 0;
      transform: translate3d(-20px, 0, 0);
    }
    to {
      opacity: 1;
      transform: translate3d(0, 0, 0);
    }
  }

  @keyframes fadeInRight {
    from {
      opacity: 0;
      transform: translate3d(20px, 0, 0);
    }
    to {
      opacity: 1;
      transform: translate3d(0, 0, 0);
    }
  }

  @keyframes pulse {
    0%, 100% {
      opacity: 0.4;
      transform: scale3d(1, 1, 1);
    }
    50% {
      opacity: 0.6;
      transform: scale3d(1.05, 1.05, 1);
    }
  }

  /* Performance optimizations */
  .will-change-transform {
    will-change: transform;
    transform: translateZ(0);
    backface-visibility: hidden;
    perspective: 1000px;
  }

  .will-change-auto {
    will-change: auto;
  }

  .will-change-[color] {
    will-change: color;
  }

  /* Glassmorphism effect */
  .glass {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
  }

  .dark .glass {
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.1);
  }

  /* Smooth transitions */
  .transition-smooth {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  }

  .shadow-elevation-md {
    box-shadow: 
      0 4px 6px -1px rgba(0, 0, 0, 0.1),
      0 2px 4px -2px rgba(0, 0, 0, 0.1);
  }
  
  .shadow-elevation-lg {
    box-shadow: 
      0 10px 15px -3px rgba(0, 0, 0, 0.1),
      0 4px 6px -4px rgba(0, 0, 0, 0.1);
  }
  
  .shadow-elevation-xl {
    box-shadow: 
      0 20px 25px -5px rgba(0, 0, 0, 0.1),
      0 8px 10px -6px rgba(0, 0, 0, 0.1);
  }
  
  /* Gradient backgrounds */
  .gradient-primary {
    background: linear-gradient(135deg, var(--primary) 0%, oklch(0.55 0.18 250) 100%);
  }
  
  .gradient-accent {
    background: linear-gradient(135deg, var(--accent) 0%, oklch(0.65 0.18 35) 100%);
  }
  
  /* Card hover effect */
  .card-hover {
    transition: transform 0.2s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  }
  
  .card-hover:hover {
    transform: translateY(-2px);
    box-shadow: 
      0 10px 15px -3px rgba(0, 0, 0, 0.1),
      0 4px 6px -4px rgba(0, 0, 0, 0.1);
  }

  /* Professional gradient backgrounds */
  .gradient-mesh {
    background: 
      radial-gradient(at 0% 0%, rgba(66, 153, 225, 0.1) 0px, transparent 50%),
      radial-gradient(at 100% 0%, rgba(139, 92, 246, 0.1) 0px, transparent 50%),
      radial-gradient(at 100% 100%, rgba(236, 72, 153, 0.1) 0px, transparent 50%),
      radial-gradient(at 0% 100%, rgba(59, 130, 246, 0.1) 0px, transparent 50%);
  }

  /* Enhanced animations */
  @keyframes shimmer {
    0% {
      background-position: -1000px 0;
    }
    100% {
      background-position: 1000px 0;
    }
  }

  .animate-shimmer {
    animation: shimmer 2s infinite linear;
    background: linear-gradient(
      to right,
      transparent 0%,
      rgba(255, 255, 255, 0.1) 50%,
      transparent 100%
    );
    background-size: 1000px 100%;
  }

  /* Glass morphism enhancement */
  .glass-card {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
  }

  .dark .glass-card {
    background: rgba(18, 18, 18, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.1);
  }

  /* Text gradient utilities */
  .text-gradient-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
  }

  .text-gradient-accent {
    background: linear-gradient(135deg, var(--accent) 0%, var(--primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
  }

  /* Enhanced border gradients */
  .border-gradient-primary {
    border-image: linear-gradient(135deg, var(--primary), var(--accent)) 1;
  }

  /* Professional spacing utilities */
  .section-spacing {
    @apply py-12 px-6;
  }

  /* Enhanced focus rings */
  .focus-ring-primary {
    @apply focus:outline-none focus:ring-2 focus:ring-primary/50 focus:ring-offset-2 focus:ring-offset-background;
  }

  /* Smooth scale on hover */
  .hover-scale {
    @apply transition-transform duration-300 hover:scale-105;
  }

  .hover-scale-sm {
    @apply transition-transform duration-300 hover:scale-102;
  }
}