@tailwind base;
@tailwind components;
@tailwind utilities;

@layer base {
  :root {
    --background: 0 0% 100%;
    --foreground: 222.2 84% 4.9%;
    --card: 0 0% 100%;
    --card-foreground: 222.2 84% 4.9%;
    --popover: 0 0% 100%;
    --popover-foreground: 222.2 84% 4.9%;
    --primary: 221.2 83.2% 53.3%;
    --primary-foreground: 210 40% 98%;
    --secondary: 210 40% 96%;
    --secondary-foreground: 222.2 84% 4.9%;
    --muted: 210 40% 96%;
    --muted-foreground: 215.4 16.3% 46.9%;
    --accent: 210 40% 96%;
    --accent-foreground: 222.2 84% 4.9%;
    --destructive: 0 84.2% 60.2%;
    --destructive-foreground: 210 40% 98%;
    --border: 214.3 31.8% 91.4%;
    --input: 214.3 31.8% 91.4%;
    --ring: 221.2 83.2% 53.3%;
    --radius: 0.5rem;
  }

  .dark {
    --background: 222.2 84% 4.9%;
    --foreground: 210 40% 98%;
    --card: 222.2 84% 4.9%;
    --card-foreground: 210 40% 98%;
    --popover: 222.2 84% 4.9%;
    --popover-foreground: 210 40% 98%;
    --primary: 217.2 91.2% 59.8%;
    --primary-foreground: 222.2 84% 4.9%;
    --secondary: 217.2 32.6% 17.5%;
    --secondary-foreground: 210 40% 98%;
    --muted: 217.2 32.6% 17.5%;
    --muted-foreground: 215 20.2% 65.1%;
    --accent: 217.2 32.6% 17.5%;
    --accent-foreground: 210 40% 98%;
    --destructive: 0 62.8% 30.6%;
    --destructive-foreground: 210 40% 98%;
    --border: 217.2 32.6% 17.5%;
    --input: 217.2 32.6% 17.5%;
    --ring: 224.3 76.3% 94.1%;
  }

  * {
    @apply border-gray-200;
  }

  body {
    @apply bg-white text-gray-900;
  }

  /* Custom scrollbar */
  ::-webkit-scrollbar {
    @apply w-2;
  }

  ::-webkit-scrollbar-track {
    @apply bg-gray-100;
  }

  ::-webkit-scrollbar-thumb {
    @apply bg-gray-300 rounded-full;
  }

  ::-webkit-scrollbar-thumb:hover {
    @apply bg-gray-400;
  }

  /* Text selection */
  ::selection {
    @apply bg-blue-100 text-blue-900;
  }

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

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

  /* Button-style helpers */
  .btn-primary {
    @apply bg-blue-600 text-white hover:bg-blue-700 focus:ring-blue-500;
  }

  .btn-secondary {
    @apply bg-gray-100 text-gray-900 hover:bg-gray-200 focus:ring-gray-500;
  }

  .btn-outline {
    @apply border border-gray-300 bg-white text-gray-700 hover:bg-gray-50 focus:ring-blue-500;
  }

  /* Card helpers */
  .card {
    @apply rounded-lg border border-gray-200 bg-white shadow-sm;
  }

  .card-hover {
    @apply transition-shadow hover:shadow-md;
  }

  /* Input helpers */
  .input {
    @apply flex h-10 w-full rounded-md border border-gray-300 bg-white px-3 py-2 text-sm;
  }

  .input-focus {
    @apply focus:outline-none focus:ring-2 focus:ring-blue-500 focus:ring-offset-2;
  }

  /* Typography helpers */
  .text-balance {
    text-wrap: balance;
  }

  .text-gradient {
    @apply bg-gradient-to-r from-blue-600 to-blue-800 bg-clip-text text-transparent;
  }

  /* Animation helpers */
  .animate-fade-in {
    animation: fadeIn 0.5s ease-in-out;
  }

  .animate-slide-up {
    animation: slideUp 0.3s ease-out;
  }

  .animate-bounce-slow {
    animation: bounce 2s infinite;
  }
}

/* Extra utilities */
@layer utilities {
  /* Grid helpers */
  .grid-auto-fit {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  }

  .grid-auto-fill {
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  }

  /* Responsive visibility */
  .mobile-only {
    @apply block sm:hidden;
  }

  .desktop-only {
    @apply hidden sm:block;
  }

  /* Dark mode surface */
  .dark-mode {
    @apply dark:bg-gray-900 dark:text-gray-100;
  }

  /* Print */
  @media print {
    .print-hidden {
      @apply hidden;
    }

    .print-visible {
      @apply block;
    }
  }
}

/* Keyframes */
@keyframes fadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

@keyframes slideUp {
  from {
    transform: translateY(10px);
    opacity: 0;
  }

  to {
    transform: translateY(0);
    opacity: 1;
  }
}

@keyframes bounce {
  0%,
  20%,
  53%,
  80%,
  100% {
    transform: translate3d(0, 0, 0);
  }

  40%,
  43% {
    transform: translate3d(0, -30px, 0);
  }

  70% {
    transform: translate3d(0, -15px, 0);
  }

  90% {
    transform: translate3d(0, -4px, 0);
  }
}

/* Dark color-scheme hint */
@media (prefers-color-scheme: dark) {
  .dark-mode {
    @apply bg-gray-900 text-gray-100;
  }
}

/* High contrast */
@media (prefers-contrast: high) {
  .high-contrast {
    @apply border-2 border-black;
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}