/* =========================================
   Variables
   ========================================= */
:root {
  /* Color palette — Runes of Legend */
  --color-background: #F2E8D5; /* parchment beige */
  --color-surface: #FCFAF5; /* lighter parchment for cards */
  --color-text: #141414; /* charcoal black */
  --color-primary: #1F8A5B; /* emerald */
  --color-primary-700: #176946;
  --color-primary-900: #0E4C33;
  --color-success: #1F8A5B; /* emerald */
  --color-warning: #D4B26A; /* soft gold */
  --color-warning-700: #B59145;
  --color-danger: #B11226; /* crimson */
  --color-danger-800: #7F0C1B;

  /* Neutral grays (warm) */
  --gray-50:  #FAFAF9;
  --gray-100: #F4F4F2;
  --gray-200: #E6E4DF;
  --gray-300: #D3D0C8;
  --gray-400: #A19E96;
  --gray-500: #7A776F;
  --gray-600: #59564F;
  --gray-700: #413E38;
  --gray-800: #2C2A25;
  --gray-900: #1A1916;

  /* Typography */
  --font-body: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Noto Sans, Ubuntu, Cantarell, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  /* Pixel-art friendly display stack (falls back to monospace if custom pixel font is loaded separately) */
  --font-display: "Press Start 2P", "VT323", "Pixel Operator", "Courier New", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;

  --font-size-xs: 12px;
  --font-size-sm: 14px;
  --font-size-base: 16px;
  --font-size-md: 18px;
  --font-size-lg: 20px;
  --font-size-xl: 24px;
  --font-size-2xl: 28px;
  --font-size-3xl: 34px;
  --font-size-4xl: 42px;
  --font-size-5xl: 52px;

  --line-tight: 1.2;
  --line-normal: 1.55;
  --line-loose: 1.75;

  /* Readable measure for paragraphs */
  --measure: 68ch;

  /* Spacing scale (0–96px, 4px steps) */
  --space-0: 0px;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-7: 28px;
  --space-8: 32px;
  --space-9: 36px;
  --space-10: 40px;
  --space-11: 44px;
  --space-12: 48px;
  --space-13: 52px;
  --space-14: 56px;
  --space-15: 60px;
  --space-16: 64px;
  --space-17: 68px;
  --space-18: 72px;
  --space-19: 76px;
  --space-20: 80px;
  --space-21: 84px;
  --space-22: 88px;
  --space-23: 92px;
  --space-24: 96px;

  /* Radius (pixel-friendly) */
  --radius-0: 0;
  --radius-1: 2px;
  --radius-2: 4px;
  --radius-3: 8px;
  --radius-round: 9999px;

  /* Shadows (crisp, retro-inspired) */
  --shadow-1: 0 1px 0 rgba(0,0,0,0.18), 0 0 0 1px rgba(0,0,0,0.06);
  --shadow-2: 0 2px 0 rgba(0,0,0,0.18), 0 1px 0 rgba(0,0,0,0.08), 0 0 0 1px rgba(0,0,0,0.05);
  --shadow-3: 0 3px 0 rgba(0,0,0,0.2), 0 1px 0 rgba(0,0,0,0.1), 0 0 0 1px rgba(0,0,0,0.05);

  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --duration-fast: 120ms;
  --duration-base: 200ms;
  --duration-slow: 320ms;

  /* Focus */
  --focus-color: var(--color-warning);
  --focus-ring: 0 0 0 3px color-mix(in oklab, var(--focus-color) 45%, transparent);

  /* Layout */
  --container-max: 1200px;
}

/* Optional dark theme hook (toggle via .theme-dark on <html> or <body>) */
.theme-dark {
  --color-background: #12100E;
  --color-surface: #1A1714;
  --color-text: #F5F2EC;
  --gray-100: #23201C;
  --gray-200: #2C2924;
  --gray-300: #3A3630;
  --gray-400: #5A554D;
  --gray-500: #7B756B;
}

/* =========================================
   Reset / Normalize
   ========================================= */
*, *::before, *::after { box-sizing: border-box; }

html { 
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body, h1, h2, h3, h4, h5, h6, p, figure, blockquote, dl, dd { margin: 0; }

body { min-height: 100vh; }

img, picture, video, canvas, svg { display: block; max-width: 100%; height: auto; }

/* Pixel art media helpers */
.pixelated, .pixel-art img, .pixel-art canvas { image-rendering: pixelated; image-rendering: crisp-edges; }

/* Improve text rendering */
body { -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; text-rendering: optimizeLegibility; }

/* Remove animations/transitions for users who prefer reduced motion */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
}

/* =========================================
   Base
   ========================================= */
body {
  font-family: var(--font-body);
  font-size: var(--font-size-base);
  line-height: var(--line-normal);
  background: var(--color-background);
  color: var(--color-text);
}

main { display: block; }

/* Headings — retro display font with modern scaling */
h1, h2, h3, h4, h5, h6 { font-family: var(--font-display); line-height: var(--line-tight); font-weight: 700; letter-spacing: 0; }

h1 { font-size: clamp(2rem, 2vw + 1.5rem, 3.25rem); margin-block: var(--space-6) var(--space-3); }
h2 { font-size: clamp(1.75rem, 1.6vw + 1.2rem, 2.5rem); margin-block: var(--space-5) var(--space-3); }
h3 { font-size: clamp(1.5rem, 1.2vw + 1rem, 2rem); margin-block: var(--space-5) var(--space-2); }
h4 { font-size: 1.25rem; margin-block: var(--space-4) var(--space-2); }
h5 { font-size: 1.125rem; margin-block: var(--space-3) var(--space-2); }
h6 { font-size: 1rem; margin-block: var(--space-3) var(--space-2); }

p { font-size: var(--font-size-base); margin-block: 0 var(--space-4); }

small { font-size: var(--font-size-sm); }

code, kbd, pre, samp { font-family: var(--font-mono); font-size: 0.95em; }

/* Links */
a { color: var(--color-primary); text-decoration: none; text-underline-offset: 2px; }
a:hover { color: var(--color-primary-700); }
a:active { color: var(--color-primary-900); }
a:focus-visible { outline: 2px dashed var(--focus-color); outline-offset: 2px; }

/* Selection */
::selection { background: color-mix(in oklab, var(--color-primary) 22%, transparent); color: var(--color-text); }

/* Lists */
ul, ol { padding-left: var(--space-6); }

/* HR */
hr { border: 0; border-top: 1px solid var(--gray-300); margin-block: var(--space-8); }

/* =========================================
   Utilities
   ========================================= */
.container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: clamp(var(--space-4), 3vw, var(--space-8));
}


/* Flex */
.flex { display: flex; }
.inline-flex { display: inline-flex; }
.wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }

/* Grid */
.grid { display: grid; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid-auto-fit { grid-template-columns: repeat(auto-fit, minmax(18rem, 1fr)); }

/* Readable screen-reader only text */
.sr-only { position: absolute !important; width: 1px !important; height: 1px !important; padding: 0 !important; margin: -1px !important; overflow: hidden !important; clip: rect(0, 0, 0, 0) !important; white-space: nowrap !important; border: 0 !important; }

/* Spacing helpers (minimal set) */
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.mt-4 { margin-top: var(--space-4); }
.mb-4 { margin-bottom: var(--space-4); }
.pt-4 { padding-top: var(--space-4); }
.pb-4 { padding-bottom: var(--space-4); }
.p-4 { padding: var(--space-4); }

/* =========================================
   Components
   ========================================= */
/* Buttons */
.btn {
  --_bg: var(--gray-800);
  --_ink: var(--gray-900);
  --_fg: #fff;
  --_hover: var(--gray-700);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: calc(var(--space-2) + 2px) calc(var(--space-4) + 2px);
  background: var(--_bg);
  color: var(--_fg);
  border: 2px solid var(--_ink);
  border-radius: var(--radius-1);
  box-shadow: 0 2px 0 var(--_ink);
  text-decoration: none;
  cursor: pointer;
  user-select: none;
  transition: background var(--duration-base) var(--ease-out), transform var(--duration-fast) var(--ease-out), box-shadow var(--duration-fast) var(--ease-out), color var(--duration-base) var(--ease-out), border-color var(--duration-base) var(--ease-out);
}
.btn:hover { background: var(--_hover); }
.btn:active { transform: translateY(2px); box-shadow: 0 0 0 var(--_ink); }
.btn:focus-visible { outline: 2px dashed var(--focus-color); outline-offset: 2px; }
.btn[disabled], .btn:disabled { opacity: 0.6; cursor: not-allowed; }

/* Button sizes */
.btn--sm { padding: calc(var(--space-1) + 1px) var(--space-3); font-size: var(--font-size-sm); }
.btn--lg { padding: calc(var(--space-3) + 2px) var(--space-6); font-size: var(--font-size-lg); }

/* Button variants */
.btn--primary { --_bg: var(--color-primary); --_ink: var(--color-primary-900); --_hover: var(--color-primary-700); color: #fff !important; }
.btn--gold { --_bg: var(--color-warning); --_ink: var(--gray-900); --_hover: var(--color-warning-700); color: #1a1a1a; }
.btn--danger { --_bg: var(--color-danger); --_ink: var(--color-danger-800); --_hover: #99101F; }

/* Inputs */
input[type="text"], input[type="email"], input[type="password"], input[type="search"], input[type="url"], input[type="number"], select, textarea, .input {
  appearance: none;
  width: 100%;
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface);
  color: var(--color-text);
  border: 2px solid var(--gray-700);
  border-radius: var(--radius-1);
  box-shadow: inset 0 1px 0 rgba(0,0,0,0.08);
  transition: border-color var(--duration-base) var(--ease-out), box-shadow var(--duration-base) var(--ease-out), background-color var(--duration-base) var(--ease-out);
}
input::placeholder, textarea::placeholder { color: var(--gray-500); }

input:focus-visible, select:focus-visible, textarea:focus-visible, .input:focus-visible {
  outline: 2px dashed var(--focus-color);
  outline-offset: 2px;
  border-color: var(--color-primary);
  box-shadow: var(--shadow-1), var(--focus-ring);
}

/* Field group */
.field { display: grid; gap: var(--space-2); margin-block: var(--space-3); }
.label { font-weight: 600; font-size: var(--font-size-sm); }

/* Card */
.card {
  background: var(--color-surface);
  color: inherit;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-2);
  box-shadow: var(--shadow-2);
  padding: var(--space-5);
}
.card--emphasis { border-color: var(--color-primary); box-shadow: var(--shadow-2), 0 0 0 2px color-mix(in oklab, var(--color-primary) 20%, transparent); }

/* Badges (useful for classes like Blood Mystic, Seafolk, Mutant Beast) */
.badge { display: inline-block; padding: 2px 8px; border: 2px solid var(--gray-900); border-radius: var(--radius-1); background: var(--gray-200); font-family: var(--font-display); font-size: 0.8rem; line-height: 1; }
.badge--emerald { background: color-mix(in oklab, var(--color-primary) 30%, white); }
.badge--crimson { background: color-mix(in oklab, var(--color-danger) 30%, white); }
.badge--gold { background: color-mix(in oklab, var(--color-warning) 35%, white); color: #1a1a1a; }

/* Nav link (pixel underline on hover) */
.nav-link { position: relative; text-decoration: none; }
.nav-link::after { content: ""; position: absolute; left: 0; right: 0; bottom: -2px; height: 2px; background: currentColor; transform: scaleX(0); transform-origin: left; transition: transform var(--duration-base) var(--ease-out); }
.nav-link:hover::after, .nav-link:focus-visible::after { transform: scaleX(1); }

/* Media frame for pixel art gallery */
.media-frame { background: var(--gray-900); border: 2px solid var(--gray-900); border-radius: var(--radius-0); box-shadow: 0 0 0 2px var(--gray-700), 0 4px 0 var(--gray-900); padding: var(--space-2); }
.media-frame img, .media-frame canvas { display: block; width: 100%; height: auto; image-rendering: pixelated; }

/* =========================================
   Accessibility
   ========================================= */
:focus-visible { outline: 2px dashed var(--focus-color); outline-offset: 2px; }

/* Ensure color contrast on disabled elements remains readable */
[aria-disabled="true"], .is-disabled { opacity: 0.6; pointer-events: none; }

/* Skip link helper */
.skip-link { position: absolute; left: -9999px; top: auto; width: 1px; height: 1px; overflow: hidden; }
.skip-link:focus { left: 16px; top: 16px; width: auto; height: auto; padding: var(--space-2) var(--space-3); background: var(--color-warning); color: #1a1a1a; border: 2px solid #000; z-index: 1000; }

/* =========================================
   Extras for a cohesive retro-fantasy feel
   ========================================= */
/* Subtle border accents */
.border { border: 1px solid var(--gray-300); }
.round { border-radius: var(--radius-3); }
.shadow-1 { box-shadow: var(--shadow-1); }
.shadow-2 { box-shadow: var(--shadow-2); }

/* Infographic helpers */
.stat { display: inline-flex; align-items: baseline; gap: var(--space-1); font-variant-numeric: tabular-nums; }
.stat .value { font-family: var(--font-display); font-size: var(--font-size-xl); }
.stat .label { color: var(--gray-500); font-size: var(--font-size-sm); }
