/* Shared 90s GeoCities-style backgrounds for crispygoat demo pages.
   Usage: <link rel="stylesheet" href="/demo/_shared/geocities.css">
   then add classes to <body>: gc-starfield, gc-tiles, gc-construction. */
.gc-starfield, .gc-tiles, .gc-construction { position: relative; }

/* Body goes transparent so the html background and star layers show through. */
body.gc-starfield, body.gc-tiles { background: transparent !important; }

/* Starfield: deep-space base + two twinkling star layers */
html:has(body.gc-starfield) {
  background: #05030f radial-gradient(ellipse at 50% 40%, #1a0f3a 0%, #05030f 70%) !important;
}
body.gc-starfield::before, body.gc-starfield::after {
  content: ""; position: fixed; inset: 0; pointer-events: none; z-index: -1;
  background-repeat: repeat;
}
body.gc-starfield::before {
  background-image:
    radial-gradient(1px 1px at 20px 30px, #fff, transparent),
    radial-gradient(1px 1px at 90px 120px, #ffe, transparent),
    radial-gradient(1.5px 1.5px at 160px 60px, #fff, transparent),
    radial-gradient(1px 1px at 210px 170px, #cff, transparent),
    radial-gradient(1px 1px at 50px 200px, #fff, transparent);
  background-size: 240px 240px;
  animation: gc-twinkle 3.2s ease-in-out infinite alternate;
}
body.gc-starfield::after {
  background-image:
    radial-gradient(2px 2px at 70px 80px, #fff, transparent),
    radial-gradient(1.5px 1.5px at 300px 40px, #ffd, transparent),
    radial-gradient(2px 2px at 230px 260px, #fcf, transparent),
    radial-gradient(1px 1px at 140px 330px, #fff, transparent);
  background-size: 380px 380px;
  animation: gc-twinkle 4.7s ease-in-out 1.3s infinite alternate;
}
@keyframes gc-twinkle { from { opacity: .35; } to { opacity: 1; } }

/* Subtle tiled pattern (layered over starfield via an extra class) */
html:has(body.gc-tiles) {
  background-image:
    repeating-linear-gradient(45deg, rgba(120,90,255,.07) 0 2px, transparent 2px 24px),
    repeating-linear-gradient(-45deg, rgba(0,255,200,.05) 0 2px, transparent 2px 24px) !important;
}
html:has(body.gc-starfield.gc-tiles) {
  background:
    repeating-linear-gradient(45deg, rgba(120,90,255,.07) 0 2px, transparent 2px 24px),
    repeating-linear-gradient(-45deg, rgba(0,255,200,.05) 0 2px, transparent 2px 24px),
    radial-gradient(ellipse at 50% 40%, #1a0f3a 0%, #05030f 70%) !important;
}

/* "Under construction" stripe strip along the bottom edge */
.gc-construction::after {
  content: ""; position: fixed; left: 0; right: 0; bottom: 0; height: 10px; z-index: 2;
  pointer-events: none;
  background: repeating-linear-gradient(-45deg, #ffd400 0 12px, #111 12px 24px);
}

@media (prefers-reduced-motion: reduce) {
  body.gc-starfield::before, body.gc-starfield::after { animation: none; opacity: .8; }
}

/* Portfolio frames use the same class names on a box, not on <body>.
   The construction stripe stays a page-edge accent, not a card overlay. */
.folio-bezel.gc-construction::after,
.gc-showcase.gc-construction::after {
  content: none;
}

.folio-bezel.gc-starfield,
.gc-showcase.gc-starfield {
  background-color: #05030f;
  background-image:
    radial-gradient(1px 1px at 8px 10px, #fff, transparent),
    radial-gradient(1.5px 1.5px at 22px 18px, #ffe, transparent),
    radial-gradient(1px 1px at 34px 8px, #cff, transparent),
    repeating-linear-gradient(45deg, rgba(120, 90, 255, 0.35) 0 2px, transparent 2px 14px),
    repeating-linear-gradient(-45deg, rgba(0, 255, 200, 0.18) 0 2px, transparent 2px 14px),
    radial-gradient(ellipse at 50% 40%, #1a0f3a 0%, #05030f 70%);
  background-size: 40px 40px, 40px 40px, 40px 40px, auto, auto, auto;
  animation: gc-frame-twinkle 3.2s ease-in-out infinite alternate;
}

.folio-bezel.gc-tiles,
.gc-showcase.gc-tiles {
  background-color: #120a28;
  background-image:
    repeating-linear-gradient(45deg, rgba(150, 120, 255, 0.55) 0 2px, transparent 2px 14px),
    repeating-linear-gradient(-45deg, rgba(0, 255, 200, 0.28) 0 2px, transparent 2px 14px);
}

.folio-bezel.gc-construction,
.gc-showcase.gc-construction {
  background-color: #111;
  background-image: repeating-linear-gradient(-45deg, #ffd400 0 10px, #111 10px 20px);
}

.folio-bezel.gc-space,
.gc-showcase.gc-space {
  background-color: #2a0654;
  background-image:
    radial-gradient(1.4px 1.4px at 10px 12px, #fff, transparent),
    radial-gradient(ellipse at 18% 80%, rgba(255, 45, 149, 0.95), transparent 58%),
    linear-gradient(128deg, #4c1d95 0%, #e1064a 48%, #22d3ee 100%);
  background-size: 36px 36px, auto, auto;
}

.folio-bezel.gc-sparkle,
.gc-showcase.gc-sparkle {
  background-color: #14041f;
  background-image:
    linear-gradient(115deg, transparent 0 36%, rgba(255, 255, 255, 0.72) 47%, transparent 58%),
    linear-gradient(155deg, #3b0764, #e1064a 58%, #fbbf24);
  background-size: 180px 180px, auto;
  animation: gc-frame-twinkle 6s linear infinite;
}

/* Full-bleed apps: keep the pattern in the margin. The app body stays opaque. */
html.gc-inset {
  box-sizing: border-box;
  min-height: 100%;
}
html.gc-inset body {
  position: fixed;
  inset: 16px;
  width: auto;
  height: auto;
  margin: 0;
}
html.gc-inset .desktop-root {
  inset: 16px;
}
html.gc-inset.gc-tiles {
  background-color: #120a28;
  background-image:
    repeating-linear-gradient(45deg, rgba(150, 120, 255, 0.55) 0 2px, transparent 2px 14px),
    repeating-linear-gradient(-45deg, rgba(0, 255, 200, 0.28) 0 2px, transparent 2px 14px);
}
html.gc-inset.gc-construction {
  background-color: #111;
  background-image: repeating-linear-gradient(-45deg, #ffd400 0 12px, #111 12px 24px);
}

@keyframes gc-frame-twinkle {
  from { background-position: 0 0, 0 0, 0 0, 0 0, 0 0, 0 0; }
  to { background-position: 0 0, 3px -2px, -2px 2px, 0 0, 0 0, 0 0; }
}

@media (prefers-reduced-motion: reduce) {
  .folio-bezel.gc-starfield,
  .gc-showcase.gc-starfield,
  .folio-bezel.gc-sparkle,
  .gc-showcase.gc-sparkle {
    animation: none;
  }
}