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

/* Design system for steel structure management system
   Industrial theme with modern glassmorphism effects
   All colors MUST be HSL.
*/

@layer base {
  :root {
    --background: 240 10% 3.9%;
    --foreground: 0 0% 98%;

    --card: 240 10% 3.9%;
    --card-foreground: 0 0% 98%;

    --popover: 240 10% 3.9%;
    --popover-foreground: 0 0% 98%;

    /* Industrial blue primary palette */
    --primary: 217 91% 60%;
    --primary-foreground: 0 0% 98%;
    --primary-variant: 221 83% 53%;
    --primary-dark: 215 84% 47%;

    /* Steel gray secondary palette */
    --secondary: 217 19% 27%;
    --secondary-foreground: 0 0% 98%;
    --secondary-light: 218 11% 65%;

    --muted: 217 19% 27%;
    --muted-foreground: 217 10% 64.9%;

    /* Orange accent for industrial feel */
    --accent: 25 95% 53%;
    --accent-foreground: 0 0% 98%;
    --accent-light: 31 81% 61%;

    --destructive: 0 84.2% 60.2%;
    --destructive-foreground: 0 0% 98%;

    --border: 217 19% 27%;
    --input: 217 19% 27%;
    --ring: 217 91% 60%;

    --radius: 0.75rem;

    /* Custom industrial colors */
    --steel-blue: 217 91% 60%;
    --steel-gray: 217 19% 27%;
    --iron-orange: 25 95% 53%;
    --metal-silver: 0 0% 85%;
    
    /* Glassmorphism variables */
    --glass-bg: 240 10% 3.9% / 0.8;
    --glass-border: 0 0% 100% / 0.1;
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, hsl(var(--primary)), hsl(var(--primary-variant)));
    --gradient-industrial: linear-gradient(135deg, hsl(var(--steel-blue)), hsl(var(--iron-orange)));
    --gradient-glass: linear-gradient(135deg, rgba(255,255,255,0.1), rgba(255,255,255,0.05));
    --gradient-hero: radial-gradient(ellipse at center, hsl(var(--primary) / 0.15), transparent 70%);

    /* Shadows and effects */
    --shadow-glass: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    --shadow-elevation: 0 10px 30px -10px hsl(var(--primary) / 0.3);
    --shadow-glow: 0 0 40px hsl(var(--primary) / 0.4);

    /* Animation variables */
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: all 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);

    --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%;
  }

  .light {
    --background: 0 0% 100%;
    --foreground: 240 10% 3.9%;
    --card: 0 0% 100%;
    --card-foreground: 240 10% 3.9%;
    --popover: 0 0% 100%;
    --popover-foreground: 240 10% 3.9%;
    --primary: 217 91% 60%;
    --primary-foreground: 0 0% 98%;
    --secondary: 217 19% 35%;
    --secondary-foreground: 0 0% 98%;
    --muted: 210 40% 96.1%;
    --muted-foreground: 215.4 16.3% 46.9%;
    --accent: 25 95% 53%;
    --accent-foreground: 0 0% 98%;
    --border: 214.3 31.8% 91.4%;
    --input: 214.3 31.8% 91.4%;
    --ring: 217 91% 60%;
    --glass-bg: 255 255 255 / 0.8;
    --glass-border: 0 0% 0% / 0.1;
    --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
    --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%;
  }
}

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

  body {
    @apply bg-background text-foreground font-sans antialiased;
  }

  html {
    scroll-behavior: smooth;
  }
}

@layer components {
  /* Glassmorphism Components */
  .glass-card {
    @apply bg-background/80 backdrop-blur-xl border border-white/10 rounded-xl shadow-2xl;
  }
  
  .glass-nav {
    @apply bg-background/70 backdrop-blur-md border-b border-white/10;
  }

  /* Industrial themed buttons */
  .btn-industrial {
    @apply bg-gradient-to-r from-primary to-primary-variant text-primary-foreground px-6 py-3 rounded-lg font-semibold transition-all duration-300 hover:shadow-lg hover:scale-105 active:scale-95;
  }

  .btn-industrial-outline {
    @apply border-2 border-primary bg-transparent text-primary px-6 py-3 rounded-lg font-semibold transition-all duration-300 hover:bg-primary hover:text-primary-foreground hover:shadow-lg hover:scale-105 active:scale-95;
  }

  /* Feature cards with hover effects */
  .feature-card {
    @apply glass-card p-6 transition-all duration-500 hover:scale-105 hover:shadow-2xl cursor-pointer;
  }

  /* Statistics cards */
  .stat-card {
    @apply glass-card p-6 text-center transform transition-all duration-300 hover:scale-105;
  }

  /* Animated underline effect */
  .link-underline {
    @apply relative after:absolute after:bottom-0 after:left-0 after:w-full after:h-0.5 after:bg-primary after:origin-bottom-right after:scale-x-0 after:transition-transform after:duration-300 hover:after:origin-bottom-left hover:after:scale-x-100;
  }

  /* Pulse animation for CTAs */
  .pulse-ring {
    @apply absolute inline-flex h-full w-full rounded-full bg-primary/20 opacity-75 animate-ping;
  }
}