/**
 * Swamp City Stompers Design System
 * Theme Variables (themes.css)
 *
 * All design tokens as CSS custom properties.
 * Dark theme with gold accent - matches styles.css
 */

:root {
  /* ============================================
     COLORS - Dark Theme with Gold Accent
     ============================================ */

  /* Core Brand */
  --color-bg: #0a0a0a;
  --color-bg-rgb: 10, 10, 10;
  --color-bg-alt: #111111;
  --color-surface: #1a1a1a;
  --color-surface-raised: #222222;

  /* Text */
  --color-text: #f5f5f0;
  --color-text-rgb: 245, 245, 240;
  --color-text-secondary: rgba(255, 255, 255, 0.8);
  --color-text-muted: rgba(255, 255, 255, 0.6);

  /* Accent - Gold */
  --color-accent: #c9a227;
  --color-accent-rgb: 201, 162, 39;
  --color-accent-light: #d4b84a;
  --color-accent-dark: #a8861f;

  /* Semantic */
  --color-success: #4ade80;
  --color-warning: #fbbf24;
  --color-error: #f87171;
  --color-info: #60a5fa;

  /* Border */
  --color-border: rgba(255, 255, 255, 0.1);
  --color-border-strong: rgba(255, 255, 255, 0.2);

  /* Focus */
  --color-focus: var(--color-accent);
  --color-focus-ring: rgba(201, 162, 39, 0.25);

  /* ============================================
     SPACING
     ============================================ */

  --spacing-xs: 0.25rem;   /* 4px */
  --spacing-sm: 0.5rem;    /* 8px */
  --spacing-md: 1rem;      /* 16px */
  --spacing-lg: 1.5rem;    /* 24px */
  --spacing-xl: 2rem;      /* 32px */
  --spacing-2xl: 3rem;     /* 48px */
  --spacing-3xl: 4rem;     /* 64px */
  --spacing-4xl: 6rem;     /* 96px */
  --spacing-5xl: 8rem;     /* 128px */
  --spacing-6xl: 10rem;    /* 160px */

  /* ============================================
     TYPOGRAPHY
     ============================================ */

  /* Font Families */
  --font-mono: 'IBM Plex Mono', monospace;
  --font-serif: 'Source Serif Pro', Georgia, serif;

  /* Font Sizes */
  --font-size-xs: 0.75rem;     /* 12px */
  --font-size-sm: 0.875rem;    /* 14px */
  --font-size-md: 1rem;        /* 16px */
  --font-size-lg: 1.25rem;     /* 20px */
  --font-size-xl: 1.5rem;      /* 24px */
  --font-size-2xl: 2rem;       /* 32px */
  --font-size-3xl: 2.5rem;     /* 40px */
  --font-size-4xl: 3rem;       /* 48px */
  --font-size-5xl: 4rem;       /* 64px */
  --font-size-6xl: 5rem;       /* 80px */

  /* Line Heights */
  --line-height-tight: 1.1;
  --line-height-snug: 1.25;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.625;

  /* Letter Spacing */
  --letter-spacing-tight: -0.02em;
  --letter-spacing-normal: 0;
  --letter-spacing-wide: 0.025em;
  --letter-spacing-wider: 0.05em;
  --letter-spacing-widest: 0.1em;
  --letter-spacing-ultra: 0.2em;
  --letter-spacing-extreme: 0.3em;

  /* Font Weights */
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-extrabold: 800;

  /* ============================================
     EASING - GSAP-compatible curves
     ============================================ */

  --ease-standard: cubic-bezier(0.4, 0.0, 0.2, 1);
  --ease-out: cubic-bezier(0.0, 0.0, 0.2, 1);
  --ease-in: cubic-bezier(0.4, 0.0, 1, 1);
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out-back: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-in-out-circ: cubic-bezier(0.85, 0, 0.15, 1);

  /* ============================================
     DURATIONS
     ============================================ */

  --duration-fast: 150ms;
  --duration-normal: 200ms;
  --duration-slow: 300ms;
  --duration-slower: 500ms;

  /* ============================================
     BORDERS & RADIUS
     ============================================ */

  --border-width: 1px;
  --border-width-thick: 2px;
  --border-width-heavy: 3px;

  --radius-sm: 2px;
  --radius-md: 4px;
  --radius-lg: 8px;
  --radius-full: 9999px;

  /* ============================================
     SHADOWS - Dark theme optimized
     ============================================ */

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 2px 8px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.5);
  --shadow-xl: 0 8px 32px rgba(0, 0, 0, 0.6);
  --shadow-2xl: 0 16px 64px rgba(0, 0, 0, 0.7);
  --shadow-upward: 0 -10px 40px rgba(0, 0, 0, 0.3);
  --shadow-focus: 0 0 0 3px var(--color-focus-ring);
  --shadow-glow: 0 0 20px rgba(var(--color-accent-rgb), 0.3);

  /* ============================================
     Z-INDEX SCALE (Power of 9)
     ============================================
     Simple 4-tier scale: 9, 99, 999, 9999
     Use DOM order for layering within same tier
     ============================================ */

  --z-base: auto;            /* Default stacking */
  --z-raised: 9;             /* Above siblings: cards, sticky nav, tooltips */
  --z-fixed: 99;             /* Fixed elements: dropdowns, progress nav */
  --z-overlay: 999;          /* Overlays: menu, modals, notifications */
  --z-critical: 9999;        /* Page transitions only */

  /* ============================================
     LAYOUT
     ============================================ */

  --container-sm: 640px;
  --container-md: 768px;
  --container-lg: 1024px;
  --container-xl: 1280px;
  --container-max: 1440px;

  --grid-gutter: var(--spacing-lg);
}

/* ============================================
   REDUCED MOTION
   ============================================ */

@media (prefers-reduced-motion: reduce) {
  :root {
    --duration-fast: 0ms;
    --duration-normal: 0ms;
    --duration-slow: 0ms;
    --duration-slower: 0ms;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}