@import "tailwindcss";

/* Use class-based dark mode (html.dark) instead of media query */
@variant dark (&:where(.dark, .dark *));

@theme {
  /* Custom colors */
  --color-nifty-50: #f0f9ff;
  --color-nifty-100: #e0f2fe;
  --color-nifty-200: #bae6fd;
  --color-nifty-300: #7dd3fc;
  --color-nifty-400: #38bdf8;
  --color-nifty-500: #0ea5e9;
  --color-nifty-600: #0284c7;
  --color-nifty-700: #0369a1;
  --color-nifty-800: #075985;
  --color-nifty-900: #0c4a6e;

  --color-bull-light: #dcfce7;
  --color-bull: #22c55e;
  --color-bull-dark: #15803d;

  --color-bear-light: #fee2e2;
  --color-bear: #ef4444;
  --color-bear-dark: #b91c1c;

  --color-hold-light: #fef3c7;
  --color-hold: #f59e0b;
  --color-hold-dark: #b45309;

  /* Custom fonts */
  --font-sans: 'DM Sans', system-ui, -apple-system, sans-serif;
  --font-display: 'Plus Jakarta Sans', system-ui, sans-serif;
}

@layer base {
  html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
  }

  html.dark {
    color-scheme: dark;
  }

  body {
    @apply font-sans antialiased text-gray-900;
    margin: 0;
    background: linear-gradient(135deg, #f8fafc 0%, #f0f4f8 50%, #e8eef4 100%);
    min-height: 100vh;
  }

  html.dark body {
    @apply text-gray-100;
    background: linear-gradient(135deg, #0b1120 0%, #0f172a 40%, #131c31 100%);
  }

  /* Subtle dot grid background pattern */
  body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: radial-gradient(circle at 1px 1px, rgba(148, 163, 184, 0.08) 1px, transparent 0);
    background-size: 32px 32px;
    pointer-events: none;
    z-index: 0;
  }

  html.dark body::before {
    background-image: radial-gradient(circle at 1px 1px, rgba(148, 163, 184, 0.04) 1px, transparent 0);
  }

  #root {
    position: relative;
    z-index: 1;
  }

  /* Better default focus styles */
  :focus-visible {
    outline: 2px solid var(--color-nifty-500);
    outline-offset: 2px;
    border-radius: 4px;
  }
}

@layer components {
  .card {
    @apply bg-white/80 rounded-xl border border-gray-200/60 overflow-hidden;
    backdrop-filter: blur(12px);
    box-shadow:
      0 1px 2px rgba(0, 0, 0, 0.04),
      0 2px 8px rgba(0, 0, 0, 0.02);
  }

  html.dark .card {
    @apply border-slate-700/60;
    background: rgba(30, 41, 59, 0.7);
    box-shadow:
      0 1px 2px rgba(0, 0, 0, 0.2),
      0 0 0 1px rgba(148, 163, 184, 0.04);
  }

  .card-hover {
    @apply bg-white/80 rounded-xl border border-gray-200/60 overflow-hidden;
    backdrop-filter: blur(12px);
    box-shadow:
      0 1px 2px rgba(0, 0, 0, 0.04),
      0 2px 8px rgba(0, 0, 0, 0.02);
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  }

  .card-hover:hover {
    @apply border-gray-300/80;
    box-shadow:
      0 4px 12px rgba(0, 0, 0, 0.06),
      0 1px 3px rgba(0, 0, 0, 0.04);
    transform: translateY(-1px);
  }

  .card-hover:focus-within {
    @apply ring-2 ring-nifty-500 ring-offset-1;
  }

  html.dark .card-hover {
    @apply border-slate-700/60;
    background: rgba(30, 41, 59, 0.7);
    box-shadow:
      0 1px 2px rgba(0, 0, 0, 0.2),
      0 0 0 1px rgba(148, 163, 184, 0.04);
  }

  html.dark .card-hover:hover {
    @apply border-slate-600/80;
    box-shadow:
      0 4px 16px rgba(0, 0, 0, 0.3),
      0 0 0 1px rgba(148, 163, 184, 0.08);
  }

  html.dark .card-hover:focus-within {
    @apply ring-offset-slate-900;
  }

  .btn {
    @apply inline-flex items-center justify-center px-4 py-2 rounded-lg font-medium;
    transition: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  }

  .btn-primary {
    @apply inline-flex items-center justify-center px-4 py-2 rounded-lg font-semibold text-white;
    background: linear-gradient(135deg, var(--color-nifty-600), var(--color-nifty-700));
    box-shadow: 0 1px 3px rgba(2, 132, 199, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.1);
    transition: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  }

  .btn-primary:hover {
    background: linear-gradient(135deg, var(--color-nifty-700), var(--color-nifty-800));
    box-shadow: 0 2px 8px rgba(2, 132, 199, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.1);
    transform: translateY(-0.5px);
  }

  .btn-primary:active {
    transform: translateY(0);
  }

  html.dark .btn-primary {
    @apply focus:ring-offset-slate-900;
  }

  .btn-secondary {
    @apply inline-flex items-center justify-center px-4 py-2 rounded-lg font-medium bg-gray-100 text-gray-700 hover:bg-gray-200;
    transition: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  }

  html.dark .btn-secondary {
    @apply bg-slate-700 text-gray-200 hover:bg-slate-600;
  }

  .badge {
    @apply inline-flex items-center px-2.5 py-0.5 rounded-full text-xs font-semibold;
    letter-spacing: 0.01em;
  }

  .badge-buy {
    @apply inline-flex items-center px-2.5 py-0.5 rounded-full text-xs font-semibold bg-bull-light text-bull-dark;
  }

  html.dark .badge-buy {
    @apply bg-green-900/30 text-green-400;
  }

  .badge-sell {
    @apply inline-flex items-center px-2.5 py-0.5 rounded-full text-xs font-semibold bg-bear-light text-bear-dark;
  }

  html.dark .badge-sell {
    @apply bg-red-900/30 text-red-400;
  }

  .badge-hold {
    @apply inline-flex items-center px-2.5 py-0.5 rounded-full text-xs font-semibold bg-hold-light text-hold-dark;
  }

  html.dark .badge-hold {
    @apply bg-amber-900/30 text-amber-400;
  }

  .gradient-text {
    @apply bg-clip-text text-transparent;
    background-image: linear-gradient(135deg, var(--color-nifty-500), var(--color-nifty-700));
  }

  html.dark .gradient-text {
    background-image: linear-gradient(135deg, var(--color-nifty-400), var(--color-nifty-500));
  }

  .section-title {
    @apply text-2xl font-display font-bold text-gray-900;
    letter-spacing: -0.02em;
  }

  html.dark .section-title {
    @apply text-gray-100;
  }
}

@layer utilities {
  .text-balance {
    text-wrap: balance;
  }

  /* Mobile touch target - minimum 44px for accessibility */
  .touch-target {
    min-height: 44px;
    min-width: 44px;
  }

  /* Entrance animation */
  .animate-in {
    animation: animate-in 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  }

  .slide-in-from-top-2 {
    --tw-enter-translate-y: -0.5rem;
  }

  @keyframes animate-in {
    from {
      opacity: 0;
      transform: translateY(var(--tw-enter-translate-y, 0));
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  /* Staggered fade-in for lists */
  .fade-in-up {
    animation: fadeInUp 0.4s cubic-bezier(0.16, 1, 0.3, 1) both;
  }

  @keyframes fadeInUp {
    from {
      opacity: 0;
      transform: translateY(8px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  /* Shimmer animation for stocks being analyzed */
  .shimmer-effect {
    background: linear-gradient(90deg, transparent 0%, rgba(59, 130, 246, 0.06) 50%, transparent 100%);
    background-size: 200% 100%;
    animation: shimmer 2s ease-in-out infinite;
  }

  @keyframes shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
  }

  /* Subtle pulse glow for active elements */
  .pulse-glow {
    animation: pulseGlow 2s ease-in-out infinite;
  }

  @keyframes pulseGlow {
    0%, 100% { box-shadow: 0 0 0 0 rgba(14, 165, 233, 0); }
    50% { box-shadow: 0 0 12px 2px rgba(14, 165, 233, 0.15); }
  }

  /* Smooth scrollbar styling */
  .scroll-smooth {
    scroll-behavior: smooth;
  }

  /* Recharts dark mode fix */
  .recharts-wrapper,
  .recharts-surface {
    background-color: transparent !important;
  }

  /* Premium scrollbar */
  .overflow-y-auto::-webkit-scrollbar {
    width: 5px;
  }

  .overflow-y-auto::-webkit-scrollbar-track {
    background: transparent;
  }

  .overflow-y-auto::-webkit-scrollbar-thumb {
    background: rgba(156, 163, 175, 0.4);
    border-radius: 100px;
  }

  .overflow-y-auto::-webkit-scrollbar-thumb:hover {
    background: rgba(156, 163, 175, 0.6);
  }

  html.dark .overflow-y-auto::-webkit-scrollbar-thumb {
    background: rgba(71, 85, 105, 0.5);
  }

  html.dark .overflow-y-auto::-webkit-scrollbar-thumb:hover {
    background: rgba(100, 116, 139, 0.6);
  }

  /* Number tabular for data alignment */
  .tabular-nums {
    font-variant-numeric: tabular-nums;
  }
}