@import "tailwindcss";

/* =============================================
   CORE - NEW YORK THEME BASE (HSL)
   This is the default neutral theme from shadcn/ui
   ============================================= */

:root {
  /* Background & Foreground */
  --background: hsl(0 0% 100%);
  --foreground: hsl(240 10% 3.9%);

  /* Card */
  --card: hsl(0 0% 100%);
  --card-foreground: hsl(240 10% 3.9%);

  /* Popover */
  --popover: hsl(0 0% 100%);
  --popover-foreground: hsl(240 10% 3.9%);

  /* Primary */
  --primary: hsl(240 5.9% 10%);
  --primary-foreground: hsl(0 0% 98%);

  /* Secondary */
  --secondary: hsl(240 4.8% 95.9%);
  --secondary-foreground: hsl(240 5.9% 10%);

  /* Muted */
  --muted: hsl(240 4.8% 95.9%);
  --muted-foreground: hsl(240 3.8% 46.1%);

  /* Accent */
  --accent: hsl(240 4.8% 95.9%);
  --accent-foreground: hsl(240 5.9% 10%);

  /* Destructive */
  --destructive: hsl(0 84.2% 60.2%);
  --destructive-foreground: hsl(0 0% 98%);

  /* Border, Input, Ring */
  --border: hsl(240 5.9% 90%);
  --input: hsl(240 5.9% 90%);
  --ring: hsl(240 5.9% 10%);

  /* Chart Colors */
  --chart-1: hsl(12 76% 61%);
  --chart-2: hsl(173 58% 39%);
  --chart-3: hsl(197 37% 24%);
  --chart-4: hsl(43 74% 66%);
  --chart-5: hsl(27 87% 67%);

  /* Sidebar */
  --sidebar-background: hsl(0 0% 98%);
  --sidebar-foreground: hsl(240 5.3% 26.1%);
  --sidebar-primary: hsl(240 5.9% 10%);
  --sidebar-primary-foreground: hsl(0 0% 98%);
  --sidebar-accent: hsl(240 4.8% 95.9%);
  --sidebar-accent-foreground: hsl(240 5.9% 10%);
  --sidebar-border: hsl(240 5.9% 90%);
  --sidebar-ring: hsl(240 5.9% 10%);

  /* Radius */
  --radius: 0.5rem;
}

.dark {
  /* Background & Foreground */
  --background: hsl(240 10% 3.9%);
  --foreground: hsl(0 0% 98%);

  /* Card */
  --card: hsl(240 10% 3.9%);
  --card-foreground: hsl(0 0% 98%);

  /* Popover */
  --popover: hsl(240 10% 3.9%);
  --popover-foreground: hsl(0 0% 98%);

  /* Primary */
  --primary: hsl(0 0% 98%);
  --primary-foreground: hsl(240 5.9% 10%);

  /* Secondary */
  --secondary: hsl(240 3.7% 15.9%);
  --secondary-foreground: hsl(0 0% 98%);

  /* Muted */
  --muted: hsl(240 3.7% 15.9%);
  --muted-foreground: hsl(240 5% 64.9%);

  /* Accent */
  --accent: hsl(240 3.7% 15.9%);
  --accent-foreground: hsl(0 0% 98%);

  /* Destructive */
  --destructive: hsl(0 62.8% 30.6%);
  --destructive-foreground: hsl(0 0% 98%);

  /* Border, Input, Ring */
  --border: hsl(240 3.7% 15.9%);
  --input: hsl(240 3.7% 15.9%);
  --ring: hsl(240 4.9% 83.9%);

  /* Chart Colors */
  --chart-1: hsl(220 70% 50%);
  --chart-2: hsl(160 60% 45%);
  --chart-3: hsl(30 80% 55%);
  --chart-4: hsl(280 65% 60%);
  --chart-5: hsl(340 75% 55%);

  /* Sidebar */
  --sidebar-background: hsl(240 5.9% 10%);
  --sidebar-foreground: hsl(240 4.8% 95.9%);
  --sidebar-primary: hsl(0 0% 98%);
  --sidebar-primary-foreground: hsl(240 5.9% 10%);
  --sidebar-accent: hsl(240 3.7% 15.9%);
  --sidebar-accent-foreground: hsl(240 4.8% 95.9%);
  --sidebar-border: hsl(240 3.7% 15.9%);
  --sidebar-ring: hsl(240 4.8% 95.9%);
}

/* Tailwind v4 Theme Mapping
 *
 * NOTE: This @theme block uses var() directly WITHOUT hsl() wrapper.
 * This allows themes to use either HSL or OKLCH color formats.
 *
 * - Core defaults use HSL format stored as complete values
 * - Custom themes may use OKLCH format
 * - Both work because var() is used directly without color function wrapper
 */
@theme {
  /* Map CSS variables to Tailwind utilities - NO hsl() wrapper */
  --color-background: var(--background);
  --color-foreground: var(--foreground);
  --color-card: var(--card);
  --color-card-foreground: var(--card-foreground);
  --color-popover: var(--popover);
  --color-popover-foreground: var(--popover-foreground);
  --color-primary: var(--primary);
  --color-primary-foreground: var(--primary-foreground);
  --color-secondary: var(--secondary);
  --color-secondary-foreground: var(--secondary-foreground);
  --color-muted: var(--muted);
  --color-muted-foreground: var(--muted-foreground);
  --color-accent: var(--accent);
  --color-accent-foreground: var(--accent-foreground);
  --color-destructive: var(--destructive);
  --color-destructive-foreground: var(--destructive-foreground);
  --color-border: var(--border);
  --color-input: var(--input);
  --color-ring: var(--ring);

  /* Chart colors */
  --color-chart-1: var(--chart-1);
  --color-chart-2: var(--chart-2);
  --color-chart-3: var(--chart-3);
  --color-chart-4: var(--chart-4);
  --color-chart-5: var(--chart-5);

  /* Sidebar colors */
  --color-sidebar: var(--sidebar-background);
  --color-sidebar-background: var(--sidebar-background);
  --color-sidebar-foreground: var(--sidebar-foreground);
  --color-sidebar-primary: var(--sidebar-primary);
  --color-sidebar-primary-foreground: var(--sidebar-primary-foreground);
  --color-sidebar-accent: var(--sidebar-accent);
  --color-sidebar-accent-foreground: var(--sidebar-accent-foreground);
  --color-sidebar-border: var(--sidebar-border);
  --color-sidebar-ring: var(--sidebar-ring);
}

/* Base Styles */
* {
  border-color: var(--border);
}

body {
  background-color: var(--background);
  color: var(--foreground);
}

/* Keyframes */
@keyframes accordion-down {
  from {
    height: 0;
  }
  to {
    height: var(--radix-accordion-content-height);
  }
}

@keyframes accordion-up {
  from {
    height: var(--radix-accordion-content-height);
  }
  to {
    height: 0;
  }
}

@keyframes wiggle {
  0%, 100% {
    transform: rotate(0deg);
  }
  25% {
    transform: rotate(-15deg);
  }
  75% {
    transform: rotate(15deg);
  }
}

/* =============================================
   DOCUMENTATION - MARKDOWN STYLES
   Styles for rendered markdown content in docs pages
   ============================================= */

.docs-content {
  @apply space-y-4;
}

.docs-content h2 {
  @apply text-2xl font-bold mt-8 mb-4 border-b pb-2 border-border;
}

.docs-content h3 {
  @apply text-xl font-semibold mt-6 mb-3;
}

.docs-content h4 {
  @apply text-lg font-semibold mt-4 mb-2;
}

.docs-content p {
  @apply leading-7 text-foreground;
}

.docs-content code {
  @apply bg-muted px-1.5 py-0.5 rounded text-sm font-mono text-foreground;
}

.docs-content pre {
  @apply bg-muted p-4 rounded-lg overflow-x-auto my-4 border border-border;
}

.docs-content pre code {
  @apply bg-transparent p-0;
}

.docs-content ul {
  @apply list-disc list-inside space-y-2 text-foreground;
}

.docs-content ol {
  @apply list-decimal list-inside space-y-2 text-foreground;
}

.docs-content li {
  @apply leading-7;
}

.docs-content a {
  @apply text-primary underline-offset-4 hover:underline transition-colors;
}

.docs-content blockquote {
  @apply border-l-4 border-primary pl-4 italic text-muted-foreground my-4;
}

.docs-content table {
  @apply w-full border-collapse my-4;
}

.docs-content thead {
  @apply border-b-2 border-border;
}

.docs-content th {
  @apply text-left p-2 font-semibold bg-muted;
}

.docs-content td {
  @apply p-2 border-b border-border;
}

.docs-content img {
  @apply rounded-lg my-4 max-w-full h-auto;
}

.docs-content hr {
  @apply my-8 border-border;
}

/* =============================================
   SKELETON - INP OPTIMIZED ANIMATIONS
   High-performance skeleton loading states
   ============================================= */

/**
 * GPU-accelerated skeleton pulse animation
 * Uses opacity with will-change hint for smooth GPU-composited animation
 * Respects prefers-reduced-motion for accessibility
 */
@keyframes skeleton-pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

/* Skeleton animation class - GPU accelerated */
.animate-skeleton-pulse {
  animation: skeleton-pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
  will-change: opacity;
}

/* Respect reduced motion preference */
@media (prefers-reduced-motion: reduce) {
  .animate-skeleton-pulse {
    animation: none;
  }
}

/**
 * CSS Containment for skeleton elements
 * Isolates layout/paint calculations to improve INP
 */
.skeleton-contained {
  contain: content;
}

/**
 * Skeleton container with content-visibility optimization
 * Skips rendering of off-screen skeleton items
 */
.skeleton-container {
  contain: layout style;
}

/* Apply content-visibility to direct children for virtualization effect */
.skeleton-container > * {
  content-visibility: auto;
  contain-intrinsic-size: auto 100px;
}

/* =============================================
   THEME SYSTEM - BUILD-TIME LOADING
   Custom theme CSS is automatically injected based on activeTheme config
   ============================================= */

/*
 * NOTE: To change theme, modify activeTheme in contents/themes/theme.config.ts
 * and run: npm run theme:build
 *
 * CSS from custom themes is injected at build-time for optimal performance
 */