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

/* Definition of the design system. All colors, gradients, fonts, etc should be defined here. 
All colors MUST be HSL.
*/

@layer base {
  :root {
    /* Nordic-inspired color palette */
    --background: 0 0% 98%;
    --foreground: 200 8% 20%;

    --card: 0 0% 99%;
    --card-foreground: 200 8% 20%;

    --popover: 0 0% 99%;
    --popover-foreground: 200 8% 20%;

    /* Muted forest green as primary */
    --primary: 160 15% 25%;
    --primary-foreground: 0 0% 98%;

    /* Warm stone gray */
    --secondary: 30 8% 92%;
    --secondary-foreground: 200 8% 20%;

    /* Soft muted tones */
    --muted: 30 8% 94%;
    --muted-foreground: 200 6% 45%;

    /* Subtle moss accent */
    --accent: 140 12% 88%;
    --accent-foreground: 160 15% 25%;

    --destructive: 0 65% 55%;
    --destructive-foreground: 0 0% 98%;

    --border: 30 8% 88%;
    --input: 30 8% 90%;
    --ring: 160 15% 25%;

    /* Additional Nordic colors */
    --stone: 25 10% 85%;
    --moss: 140 20% 75%;
    --pine: 160 25% 30%;
    --frost: 200 15% 95%;
    --earth: 30 20% 70%;
    
    /* Gradients */
    --gradient-hero: linear-gradient(135deg, hsl(var(--primary)) 0%, hsl(var(--pine)) 100%);
    --gradient-subtle: linear-gradient(180deg, hsl(var(--background)) 0%, hsl(var(--frost)) 100%);
    
    /* Shadows */
    --shadow-soft: 0 4px 20px -4px hsl(var(--primary) / 0.1);
    --shadow-medium: 0 8px 30px -8px hsl(var(--primary) / 0.15);
    
    /* Transitions */
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);

    --radius: 0.5rem;

    --sidebar-background: 0 0% 98%;

    --sidebar-foreground: 240 5.3% 26.1%;

    --sidebar-primary: 240 5.9% 10%;

    --sidebar-primary-foreground: 0 0% 98%;

    --sidebar-accent: 240 4.8% 95.9%;

    --sidebar-accent-foreground: 240 5.9% 10%;

    --sidebar-border: 220 13% 91%;

    --sidebar-ring: 217.2 91.2% 59.8%;
  }

  .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%;
    --sidebar-background: 240 5.9% 10%;
    --sidebar-foreground: 240 4.8% 95.9%;
    --sidebar-primary: 224.3 76.3% 48%;
    --sidebar-primary-foreground: 0 0% 100%;
    --sidebar-accent: 240 3.7% 15.9%;
    --sidebar-accent-foreground: 240 4.8% 95.9%;
    --sidebar-border: 240 3.7% 15.9%;
    --sidebar-ring: 217.2 91.2% 59.8%;
  }
}

@layer base {
  * {
    @apply border-border;
  }

  body {
    @apply bg-background text-foreground;
  }
}

/* Ken Burns CSS animation for hero (PR #2: Replaces Framer Motion for better INP) */
@keyframes ken-burns-hero {
  0%, 100% { 
    transform: scale(1.30) translateX(-10px); 
  }
  50% { 
    transform: scale(1.30) translateX(10px); 
  }
}

.hero-animated {
  animation: ken-burns-hero 32s ease-in-out infinite;
  will-change: transform; /* GPU-acceleration for smoother performance */
}

/* Mobile: Smaller zoom for better UX */
@media (max-width: 768px) {
  @keyframes ken-burns-hero {
    0%, 100% { 
      transform: scale(1.38) translateX(-6px); 
    }
    50% { 
      transform: scale(1.38) translateX(6px); 
    }
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero-animated {
    animation: none;
    will-change: auto;
  }
}

/* Store product card shimmer effect (PR #3: CLS protection) */
@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

.product-card img {
  aspect-ratio: 4 / 5;
  background: linear-gradient(
    90deg,
    hsl(var(--muted)) 0%,
    hsl(var(--muted) / 0.8) 50%,
    hsl(var(--muted)) 100%
  );
  background-size: 200% 100%;
}

.product-card img:not([src]) {
  animation: shimmer 1.5s infinite;
}

/* Ken Burns CSS-only fallback for browsers without JS/Motion */
@keyframes ken-burns-fallback {
  0% {
    transform: scale(1.08) translate(-2%, -2%);
  }
  50% {
    transform: scale(1.12) translate(2%, 2%);
  }
  100% {
    transform: scale(1.08) translate(-2%, -2%);
  }
}

.ken-burns-fallback {
  animation: ken-burns-fallback 30s ease-in-out infinite;
  will-change: transform;
}

@media (prefers-reduced-motion: reduce) {
  .ken-burns-fallback {
    animation: none;
    transform: scale(1.1) translate(0, 0);
  }
}