/* base.css — Ethereans: Game Boy PFP NFT Site
   Dark-only. Game Boy DMG-01 monochrome green palette. */

/* ============================================
   TYPE SCALE — Fluid with clamp()
   ============================================ */
:root {
  --text-xs:   clamp(0.75rem,  0.7rem  + 0.25vw, 0.875rem);
  --text-sm:   clamp(0.875rem, 0.8rem  + 0.35vw, 1rem);
  --text-base: clamp(1rem,     0.9rem  + 0.5vw,  1.125rem);
  --text-lg:   clamp(1.125rem, 0.95rem + 0.85vw, 1.5rem);
  --text-xl:   clamp(1.5rem,   1rem    + 1.5vw,  2.25rem);
  --text-2xl:  clamp(2rem,     1.2rem  + 2.5vw,  3.5rem);
  --text-3xl:  clamp(2.5rem,   1rem    + 4vw,    5rem);
  --text-hero: clamp(3rem,     0.5rem  + 7vw,    8rem);
}

/* ============================================
   4px SPACING SYSTEM
   ============================================ */
:root {
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;
}

/* ============================================
   GAME BOY COLOR PALETTE — Dark Only
   ============================================ */
:root {
  --gb-darkest:   #0f380f;
  --gb-dark:      #306230;
  --gb-light:     #8bac0f;
  --gb-lightest:  #9bbc0f;

  --color-bg:               #0a0a0a;
  --color-surface:          #111111;
  --color-surface-2:        #181818;
  --color-surface-offset:   #141414;
  --color-surface-offset-2: #1c1c1c;
  --color-surface-dynamic:  #222222;
  --color-divider:          #2a2a2a;
  --color-border:           #333333;

  --color-text:           #d4d4d4;
  --color-text-muted:     #888888;
  --color-text-faint:     #555555;
  --color-text-inverse:   #0a0a0a;

  --color-primary:          #9bbc0f;
  --color-primary-hover:    #8bac0f;
  --color-primary-active:   #306230;
  --color-primary-highlight: rgba(155, 188, 15, 0.1);

  --color-error:            #c04040;
  --color-error-hover:      #a03030;
  --color-error-highlight:  rgba(192, 64, 64, 0.1);

  --color-success:          #8bac0f;
  --color-success-hover:    #306230;
  --color-success-highlight: rgba(139, 172, 15, 0.1);

  --color-warning:          #b08020;
  --color-warning-hover:    #8a5b00;
  --color-warning-highlight: rgba(176, 128, 32, 0.1);

  --radius-sm: 0.25rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.5rem;
  --radius-xl: 0.75rem;
  --radius-full: 9999px;

  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 20px rgba(155, 188, 15, 0.15);
  --shadow-glow-strong: 0 0 40px rgba(155, 188, 15, 0.25);

  --content-narrow: 640px;
  --content-default: 800px;
  --content-wide: 1200px;

  --font-display: 'Press Start 2P', monospace;
  --font-body: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace;
}

/* ============================================
   BOX MODEL & RESETS
   ============================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  -moz-text-size-adjust: none;
  -webkit-text-size-adjust: none;
  text-size-adjust: none;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: var(--space-16);
}

body {
  min-height: 100dvh;
  line-height: 1.6;
  font-family: var(--font-body, monospace);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  background-image: radial-gradient(ellipse at 50% 0%, rgba(155, 188, 15, 0.03) 0%, transparent 60%);
}

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

.pixelated,
.pixelated img,
.pixelated canvas {
  image-rendering: pixelated;
  image-rendering: crisp-edges;
}

ul[role="list"], ol[role="list"] {
  list-style: none;
}

input, button, textarea, select {
  font: inherit;
  color: inherit;
}

h1, h2, h3, h4, h5, h6 {
  text-wrap: balance;
  line-height: 1.3;
}

p, li, figcaption {
  text-wrap: pretty;
  max-width: 72ch;
}

::selection {
  background: rgba(155, 188, 15, 0.3);
  color: var(--color-text);
}

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

button {
  cursor: pointer;
  background: none;
  border: none;
}

table {
  border-collapse: collapse;
  width: 100%;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}