@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: 222.2 47.4% 11.2%;
    --primary-foreground: 210 40% 98%;
 
    --secondary: 210 40% 96.1%;
    --secondary-foreground: 222.2 47.4% 11.2%;
 
    --muted: 210 40% 96.1%;
    --muted-foreground: 215.4 16.3% 46.9%;
 
    --accent: 210 40% 96.1%;
    --accent-foreground: 222.2 47.4% 11.2%;
 
    --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: 222.2 84% 4.9%;
 
    --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: 210 40% 98%;
    --primary-foreground: 222.2 47.4% 11.2%;
 
    --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: 212.7 26.8% 83.9%;
  }
}
 
@layer base {
  * {
    @apply border-border;
  }
  body {
    @apply bg-background text-foreground;
  }
}
@layer components {
  /* High-contrast content masking for accessibility and streamer protection */
  .mask-backdrop {
    background-color: hsl(var(--card) / 0.98);
    backdrop-filter: blur(64px);
    -webkit-backdrop-filter: blur(64px);
    border-width: 2px;
    border-color: hsl(var(--border) / 0.5);
    box-shadow: 0 25px 50px -12px rgb(0 0 0 / 0.25);
    position: relative;
    overflow: hidden;
    transition: transform 300ms cubic-bezier(0.16, 1, 0.3, 1),
                box-shadow 300ms cubic-bezier(0.16, 1, 0.3, 1),
                border-color 300ms ease;
  }

  .section-container {
    @apply mask-backdrop rounded-[2.5rem] p-12 md:p-20 text-card-foreground;
  }

  .glass-card {
    @apply mask-backdrop rounded-[2rem] p-10 text-card-foreground;
  }

  .glass-card:hover {
    border-color: hsl(var(--primary) / 0.3);
  }

  /* Bento grid entrance animation */
  @keyframes bento-enter {
    from {
      opacity: 0;
      transform: translateY(16px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  .bento-item {
    animation: bento-enter 0.5s cubic-bezier(0.16, 1, 0.3, 1) both;
  }

  /* Quiet bento: at rest the card chrome (opaque bg, 64px frost, border, shadow) is
     nearly invisible so only the title + the 3D render/image float on the page; the
     glass lights up on hover / focus / tap. Title + image keep their own visibility.
     Higher specificity than .mask-backdrop, so it wins at rest without !important. */
  .bento-item .glass-card {
    background-color: transparent;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    border-color: transparent;
    box-shadow: none;
    transition: background-color 0.3s ease, backdrop-filter 0.3s ease,
      border-color 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease;
  }
  .bento-item:hover .glass-card,
  .bento-item:focus-within .glass-card {
    backdrop-filter: blur(64px);
    -webkit-backdrop-filter: blur(64px);
    transform: translateY(-4px);
    box-shadow: 0 32px 64px -16px rgb(0 0 0 / 0.3);
  }

  /* Focus-visible ring for keyboard navigation */
  .bento-item:focus-visible {
    outline: 2px solid hsl(var(--ring));
    outline-offset: 4px;
    border-radius: 2.5rem;
  }

  /* Respect reduced motion preferences */
  @media (prefers-reduced-motion: reduce) {
    .bento-item {
      animation: none;
    }
    .bento-item:hover .glass-card {
      transform: none;
    }
    .glass-card {
      transition: border-color 300ms;
    }
    .glass-card .object-contain,
    .glass-card .object-cover {
      transition: none !important;
    }
  }

  /* Typography customization for blog posts */
  .prose {
    --tw-prose-body: hsl(var(--foreground));
    --tw-prose-headings: hsl(var(--foreground));
    --tw-prose-lead: hsl(var(--muted-foreground));
    --tw-prose-links: hsl(var(--primary));
    --tw-prose-bold: hsl(var(--foreground));
    --tw-prose-counters: hsl(var(--muted-foreground));
    --tw-prose-bullets: hsl(var(--muted-foreground));
    --tw-prose-hr: hsl(var(--border));
    --tw-prose-quotes: hsl(var(--foreground));
    --tw-prose-quote-borders: hsl(var(--border));
    --tw-prose-captions: hsl(var(--muted-foreground));
    --tw-prose-code: hsl(var(--foreground));
    --tw-prose-pre-code: hsl(var(--foreground));
    --tw-prose-pre-bg: hsl(var(--muted));
    --tw-prose-th-borders: hsl(var(--border));
    --tw-prose-td-borders: hsl(var(--border));
  }

  .prose h2 {
    @apply text-xl font-semibold mt-10 mb-4 pb-2 border-b border-border;
  }

  .prose h3 {
    @apply text-lg font-medium mt-6 mb-3;
  }

  .prose p {
    @apply leading-relaxed mb-4;
  }

  .prose ul {
    @apply my-4 ml-4 space-y-2;
  }

  .prose li {
    @apply leading-relaxed;
  }

  .prose a {
    @apply text-emerald-600 dark:text-emerald-400 underline underline-offset-2 hover:text-emerald-700 dark:hover:text-emerald-300 transition-colors;
  }

  .prose strong {
    @apply font-semibold;
  }

  .prose hr {
    @apply my-8 border-border;
  }

  .prose table {
    @apply w-full my-6 text-sm;
  }

  .prose thead th {
    @apply text-left font-semibold p-3 bg-muted/50 border-b border-border;
  }

  .prose tbody td {
    @apply p-3 border-b border-border;
  }

  .prose tbody tr:hover {
    @apply bg-muted/30;
  }
}

/* Respect users who prefer reduced motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Splash logo zoom on click-to-enter (CSS, so the logo needs no framer-motion
   wrapper and stays a clean LCP candidate). */
@keyframes splash-zoom { 0% { transform: scale(1); } 50% { transform: scale(1.06); } 100% { transform: scale(1.14); } }
.splash-zoom { animation: splash-zoom 0.8s ease-in-out forwards; }

/* Click-to-enter Cherenkov wash (was framer-motion; now CSS so the splash ships no
   JS animation library). */
@keyframes splash-wash { 0% { opacity: 0; } 50% { opacity: 0.9; } 100% { opacity: 0; } }
.splash-wash { animation: splash-wash 0.8s ease-in-out forwards; }

/* Tiny terminal inside the nebula monitor: type "such" once, backspace, then a blinking
   caret on the left. width via steps() is the typewriter; border-right is the caret. */
.nebula-term {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 9px;
  line-height: 1;
  letter-spacing: 0.5px;
  white-space: nowrap;
  overflow: hidden;
  width: 0;
  border-right: 1.5px solid currentColor;
  /* type "such", hold, backspace (nebula-type, once); blink a finite number of times
     (nebula-caret); then fade the whole thing out so it stops being distracting. */
  /* blink ~4 times, type "such", backspace, blink ~4 more, then fade away. */
  animation:
    nebula-type 2.2s steps(4, end) 3.2s forwards,
    nebula-caret 0.8s steps(1, end) 11,
    nebula-term-out 0.6s ease-in 8.4s forwards;
}
@keyframes nebula-type {
  0% { width: 0; }
  36% { width: 4ch; }
  64% { width: 4ch; }
  90% { width: 0; }
  100% { width: 0; }
}
@keyframes nebula-caret { 0%, 50% { border-color: currentColor; } 50.01%, 100% { border-color: transparent; } }
@keyframes nebula-term-out { to { opacity: 0; } }

/* Hero title: an animated gradient sheen. LCP-safe — the text paints immediately with the
   gradient; only the gradient POSITION animates, which never delays the largest paint. The
   global reduced-motion rule freezes it to the base gradient. */
/* The brand's four-colour system (S green, U magenta, C blue, H teal), one per glyph.
   Light theme uses the light palette; .dark swaps in the dark palette, which is the
   same hues lifted for contrast on near-black -- from packs/such-software/pack.json. */
.hero-title {
  background-image: linear-gradient(110deg, #1a5c38 0%, #b83670 30%, #176a92 55%, #12857e 80%, #1a5c38 100%);
  background-size: 220% auto;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: hero-sheen 9s ease-in-out infinite;
}
.dark .hero-title {
  background-image: linear-gradient(110deg, #35925c 0%, #e8689e 30%, #4aade0 55%, #3ad4c6 80%, #35925c 100%);
}
.brand-gradient-text {
  background-image: linear-gradient(90deg, #1a5c38, #b83670, #176a92, #12857e);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.dark .brand-gradient-text {
  background-image: linear-gradient(90deg, #35925c, #e8689e, #4aade0, #3ad4c6);
}
@keyframes hero-sheen {
  0%, 100% { background-position: 0% center; }
  50% { background-position: 100% center; }
}
/* Soft aura behind the hero title (decorative). Gentle breathing scale/opacity. */
@keyframes hero-aura { 0%, 100% { opacity: 0.55; transform: translateX(-50%) scale(1); } 50% { opacity: 0.8; transform: translateX(-50%) scale(1.08); } }
.hero-aura { animation: hero-aura 7s ease-in-out infinite; }