@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@300;400;500&family=Major+Mono+Display&family=VT323&display=swap');

@layer theme, tailwind-base, tailwind-utilities;

@import "tailwindcss/theme.css" layer(theme);
@import "tailwindcss/preflight.css" layer(tailwind-base);
@import "tailwindcss/utilities.css" layer(tailwind-utilities);

@layer theme {
  :root {
    /* Font variables */
    --font-terminal: 'JetBrains Mono', monospace;
    --font-terminal-retro: 'VT323', monospace;
    --font-terminal-nier: 'Major Mono Display', monospace;

    /* Authentic NieR Automata UI colors from screenshot */
    --color-nier-bg: #dcd8c0;         /* Main parchment background */
    --color-nier-dark: #5a5a50;       /* Dark UI elements */
    --color-nier-mid: #adaba0;        /* Medium gray UI elements */
    --color-nier-text-dark: #292925;  /* Dark text */
    --color-nier-text-light: #dcd8c0; /* Light text */
    --color-nier-border: #a39e8c;     /* Border color */
    --color-nier-grid: #bfbcad;       /* Grid lines */
    --color-nier-accent: #292925;     /* Dark accent */
    --color-nier-highlight: #5a5a50;  /* Highlight for selection */
  }
}

@layer tailwind-utilities {
  /* Font utilities */
  .font-terminal {
    font-family: var(--font-terminal);
  }

  .font-terminal-retro {
    font-family: var(--font-terminal-retro);
  }

  .font-terminal-nier {
    font-family: var(--font-terminal-nier);
  }

  /* Background utilities */
  .bg-nier-bg {
    background-color: var(--color-nier-bg);
  }

  .bg-nier-dark {
    background-color: var(--color-nier-dark);
  }

  .bg-nier-mid {
    background-color: var(--color-nier-mid);
  }

  /* Text utilities */
  .text-nier-dark {
    color: var(--color-nier-text-dark);
  }

  .text-nier-light {
    color: var(--color-nier-text-light);
  }

  /* Border utilities */
  .border-nier-border {
    border-color: var(--color-nier-border);
  }

  .border-nier-accent {
    border-color: var(--color-nier-accent);
  }

  /* Grid background utility */
  .bg-nier-grid {
    background-color: var(--color-nier-bg);
    background-image: linear-gradient(var(--color-nier-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-nier-grid) 1px, transparent 1px);
    background-size: 20px 20px;
  }

  /* Button utilities */
  .nier-button {
    background-color: var(--color-nier-mid);
    color: var(--color-nier-text-dark);
    border: 1px solid var(--color-nier-border);
    font-family: var(--font-terminal-retro);
    text-transform: uppercase;
    padding: 0.5rem 1rem;
    transition: all 0.3s;
  }

  .nier-button:hover {
    background-color: var(--color-nier-dark);
    color: var(--color-nier-text-light);
  }

  .nier-button-active {
    background-color: var(--color-nier-dark);
    color: var(--color-nier-text-light);
    border: 1px solid var(--color-nier-border);
    font-family: var(--font-terminal-retro);
    text-transform: uppercase;
    padding: 0.5rem 1rem;
  }

  /* Interactive element focus styles */
  .nier-focus-ring {
    outline: none;
  }

  .nier-focus-ring:focus-visible {
    outline: 2px solid var(--color-nier-dark);
    outline-offset: 1px;
  }
}