index.css

/* Global Styles */
@tailwind base;
@tailwind components;
@tailwind utilities;

/* Base styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Custom Components */
@layer components {
  .container {
    @apply max-w-7xl mx-auto px-4 sm:px-6 lg:px-8;
  }

  /* Button Styles */
  .btn {
    @apply inline-flex items-center justify-center px-6 py-3 rounded-lg font-medium transition-all duration-200 focus:outline-none focus:ring-2 focus:ring-offset-2;
  }

  .btn-primary {
    @apply bg-brand-600 text-white hover:bg-brand-700 focus:ring-brand-500 shadow-lg shadow-brand-500/20;
  }

  .btn-secondary {
    @apply border border-slate-300 dark:border-slate-700 text-slate-700 dark:text-slate-300 hover:bg-slate-100 dark:hover:bg-slate-800 focus:ring-slate-500;
  }

  /* Card Styles */
  .card {
    @apply bg-white dark:bg-slate-900 rounded-xl border border-slate-200 dark:border-slate-800 shadow-sm;
  }

  .card-hover {
    @apply transition-all duration-200 hover:shadow-lg hover:border-brand-500/50;
  }

  /* Code Block Styles */
  code {
    @apply px-1.5 py-0.5 rounded bg-slate-100 dark:bg-slate-800 text-sm font-mono text-brand-600 dark:text-brand-400;
  }

  pre code {
    @apply px-0 py-0 bg-transparent;
  }

  /* Link Styles */
  a {
    @apply transition-colors duration-200;
  }

  /* Table Styles */
  table {
    @apply w-full border-collapse;
  }

  th {
    @apply bg-slate-100 dark:bg-slate-800 font-semibold text-left p-3;
  }

  td {
    @apply p-3 border-b border-slate-200 dark:border-slate-800;
  }

  /* Section Spacing */
  section {
    @apply py-12 md:py-16 lg:py-20;
  }

  /* Heading Styles */
  h1 {
    @apply text-4xl md:text-5xl lg:text-6xl font-extrabold tracking-tight;
  }

  h2 {
    @apply text-3xl md:text-4xl font-bold tracking-tight;
  }

  h3 {
    @apply text-2xl md:text-3xl font-semibold;
  }

  h4 {
    @apply text-xl md:text-2xl font-semibold;
  }

  /* Gradient Text */
  .gradient-text {
    @apply text-transparent bg-clip-text bg-gradient-to-r from-brand-500 to-blue-600;
  }

  /* Feature Card */
  .feature-card {
    @apply relative overflow-hidden rounded-xl border border-slate-200 dark:border-slate-800 bg-white dark:bg-slate-900/50 p-6 transition-all duration-200 hover:shadow-lg hover:border-brand-500/30;
  }

  /* Timeline */
  .timeline-item {
    @apply relative border-l-4 border-brand-600 pl-6 py-2 mb-6;
  }

  /* Badge */
  .badge {
    @apply inline-flex items-center px-3 py-1 rounded-full text-xs font-medium;
  }

  .badge-primary {
    @apply bg-brand-100 dark:bg-brand-950 text-brand-700 dark:text-brand-300;
  }

  /* Input Styles */
  input,
  textarea,
  select {
    @apply w-full px-4 py-2 rounded-lg border border-slate-300 dark:border-slate-700 bg-white dark:bg-slate-900 text-slate-900 dark:text-slate-100 focus:outline-none focus:ring-2 focus:ring-brand-500 focus:border-transparent;
  }
}

/* Utility Classes */
@layer utilities {
  /* Animation */
  @keyframes fadeIn {
    from {
      opacity: 0;
      transform: translateY(20px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

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

  @keyframes slideUp {
    from {
      opacity: 0;
      transform: translateY(30px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

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

  @keyframes pulse {
    0%, 100% {
      opacity: 1;
    }
    50% {
      opacity: 0.5;
    }
  }

  @keyframes float {
    0%, 100% {
      transform: translateY(0px) translateX(0px);
    }
    25% {
      transform: translateY(-20px) translateX(10px);
    }
    50% {
      transform: translateY(-10px) translateX(-10px);
    }
    75% {
      transform: translateY(-30px) translateX(5px);
    }
  }

  @keyframes float-chaotic {
    0% {
      transform: translate(-50%, -50%) rotate(var(--rotation, 0deg));
    }
    20% {
      transform: translate(calc(-50% + 8px), calc(-50% - 12px)) rotate(calc(var(--rotation, 0deg) + 3deg));
    }
    40% {
      transform: translate(calc(-50% - 6px), calc(-50% + 8px)) rotate(calc(var(--rotation, 0deg) - 4deg));
    }
    60% {
      transform: translate(calc(-50% + 10px), calc(-50% + 5px)) rotate(calc(var(--rotation, 0deg) + 2deg));
    }
    80% {
      transform: translate(calc(-50% - 4px), calc(-50% - 8px)) rotate(calc(var(--rotation, 0deg) - 3deg));
    }
    100% {
      transform: translate(-50%, -50%) rotate(var(--rotation, 0deg));
    }
  }

  @keyframes glow {
    0%, 100% {
      box-shadow: 0 0 20px rgba(20, 184, 166, 0.2);
    }
    50% {
      box-shadow: 0 0 40px rgba(20, 184, 166, 0.4);
    }
  }

  @keyframes drawLine {
    from {
      stroke-dashoffset: 5000;
    }
    to {
      stroke-dashoffset: 0;
    }
  }

  @keyframes shimmer {
    0% {
      background-position: -1000px 0;
    }
    100% {
      background-position: 1000px 0;
    }
  }

  @keyframes bounce-slow {
    0%, 100% {
      transform: translateY(0);
    }
    50% {
      transform: translateY(-10px);
    }
  }

  @keyframes flowLine {
    0% {
      left: -8rem;
    }
    100% {
      left: 100%;
    }
  }

  .animate-fadeIn {
    animation: fadeIn 0.6s ease-out forwards;
  }

  .animate-slideIn {
    animation: slideIn 0.6s ease-out forwards;
  }

  .animate-slideUp {
    animation: slideUp 0.8s ease-out forwards;
  }

  .animate-scaleIn {
    animation: scaleIn 0.5s ease-out forwards;
  }

  .animate-pulse-slow {
    animation: pulse 3s cubic-bezier(0.4, 0, 0.6, 1) infinite;
  }

  .animate-float {
    animation: float 6s ease-in-out infinite;
  }

  .animate-float-chaotic {
    animation: float-chaotic 3s ease-in-out infinite;
  }

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

  .animate-draw-line {
    stroke-dasharray: 5000;
    stroke-dashoffset: 5000;
    animation: drawLine 3s ease-in-out forwards;
  }

  .animate-shimmer {
    background: linear-gradient(
      90deg,
      transparent,
      rgba(255, 255, 255, 0.1),
      transparent
    );
    background-size: 1000px 100%;
    animation: shimmer 2s infinite;
  }

  .animate-bounce-slow {
    animation: bounce-slow 3s ease-in-out infinite;
  }

  .animate-flow-line {
    animation: flowLine 4s ease-in-out infinite;
  }

  /* Stagger animations */
  .stagger-1 {
    animation-delay: 0.1s;
  }

  .stagger-2 {
    animation-delay: 0.2s;
  }

  .stagger-3 {
    animation-delay: 0.3s;
  }

  .stagger-4 {
    animation-delay: 0.4s;
  }

  .stagger-5 {
    animation-delay: 0.5s;
  }

  .stagger-6 {
    animation-delay: 0.6s;
  }

  /* Text Selection */
  ::selection {
    @apply bg-brand-200 text-brand-900;
  }

  .dark ::selection {
    @apply bg-brand-800 text-brand-100;
  }

  /* Scrollbar */
  .scrollbar-thin::-webkit-scrollbar {
    width: 8px;
    height: 8px;
  }

  .scrollbar-thin::-webkit-scrollbar-track {
    @apply bg-slate-100 dark:bg-slate-900;
  }

  .scrollbar-thin::-webkit-scrollbar-thumb {
    @apply bg-slate-300 dark:bg-slate-700 rounded-full;
  }

  .scrollbar-thin::-webkit-scrollbar-thumb:hover {
    @apply bg-slate-400 dark:bg-slate-600;
  }

  /* Backdrop Blur */
  .backdrop-blur-glass {
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
  }

  /* Focus Visible */
  .focus-visible-ring {
    @apply focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-brand-500 focus-visible:ring-offset-2;
  }
}

/* Dark Mode Transitions */
* {
  transition-property: background-color, border-color, color;
  transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
  transition-duration: 150ms;
}

/* Prevent transition on theme change */
.no-transition * {
  transition: none !important;
}

/* Typography Improvements */
.prose {
  @apply max-w-none;
}

.prose p {
  @apply text-slate-700 dark:text-slate-300 leading-relaxed;
}

.prose ul,
.prose ol {
  @apply text-slate-700 dark:text-slate-300;
}

.prose a {
  @apply text-brand-600 dark:text-brand-400 hover:text-brand-700 dark:hover:text-brand-300 no-underline;
}

.prose code {
  @apply text-sm;
}

.prose pre {
  @apply bg-slate-900 dark:bg-slate-950 rounded-lg overflow-x-auto;
}

.prose blockquote {
  @apply border-l-4 border-brand-500 pl-4 italic text-slate-600 dark:text-slate-400;
}

/* Loading States */
.skeleton {
  @apply animate-pulse bg-slate-200 dark:bg-slate-800 rounded;
}

/* Accessibility */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* Print Styles */
@media print {
  .no-print {
    display: none !important;
  }

  body {
    @apply text-black bg-white;
  }
}