body.design-field {
  --field-bg: #0d2818;
  --field-bg-2: #12361f;
  --field-line: rgba(255,255,255,.105);
  --field-line-strong: rgba(255,255,255,.145);
  --field-stripe: rgba(255,255,255,.018);
  --field-shadow: rgba(0,0,0,.18);
  --field-angle: 0deg;
  position: relative;
  isolation: isolate;
  overflow-x: hidden;
  background:
    repeating-linear-gradient(
      90deg,
      var(--field-stripe) 0,
      var(--field-stripe) 9vw,
      transparent 9vw,
      transparent 18vw
    ),
    radial-gradient(circle at 50% 15%, rgba(255,255,255,.035), transparent 34vw),
    linear-gradient(160deg, var(--field-bg-2), var(--field-bg)) !important;
  background-attachment: fixed;
}

body.design-field.light {
  --field-bg: #1e7a40;
  --field-bg-2: #2a8b4d;
  --field-line: rgba(255,255,255,.13);
  --field-line-strong: rgba(255,255,255,.17);
  --field-stripe: rgba(255,255,255,.025);
  --field-shadow: rgba(0,0,0,.08);
}

body.design-field::before {
  content: "";
  position: fixed;
  inset: 22px;
  z-index: 0;
  pointer-events: none;
  opacity: .62;
  transform: rotate(var(--field-angle));
  transform-origin: center;
  border: 2px solid var(--field-line);
  border-radius: 6px;
  box-shadow: inset 0 0 120px var(--field-shadow);
  background:
    linear-gradient(to right,
      transparent calc(50% - 1px),
      var(--field-line-strong) calc(50% - 1px),
      var(--field-line-strong) calc(50% + 1px),
      transparent calc(50% + 1px)
    ),
    radial-gradient(circle at 50% 50%,
      transparent 0 10vmin,
      var(--field-line) 10vmin calc(10vmin + 2px),
      transparent calc(10vmin + 2px)
    ),
    linear-gradient(to right,
      transparent 0 13%,
      var(--field-line) 13% calc(13% + 2px),
      transparent calc(13% + 2px) 87%,
      var(--field-line) 87% calc(87% + 2px),
      transparent calc(87% + 2px)
    ),
    radial-gradient(ellipse 18vw 20vh at 0 50%,
      transparent 0 48%,
      var(--field-line) 48% calc(48% + 2px),
      transparent calc(48% + 2px)
    ),
    radial-gradient(ellipse 18vw 20vh at 100% 50%,
      transparent 0 48%,
      var(--field-line) 48% calc(48% + 2px),
      transparent calc(48% + 2px)
    );
}

body.design-field > * {
  position: relative;
  z-index: 1;
}

.mouse-football-layer {
  position: fixed !important;
  inset: 0;
  z-index: 80 !important;
  pointer-events: none;
  overflow: hidden;
  contain: strict;
}

.mouse-football {
  position: absolute;
  left: 0;
  top: 0;
  width: 34px;
  height: 34px;
  pointer-events: none;
  display: grid;
  place-items: center;
  font-size: 27px;
  line-height: 1;
  filter: drop-shadow(0 5px 9px rgba(0,0,0,.28));
  opacity: 0;
  transition: opacity .18s ease;
  will-change: transform;
}

.mouse-football.is-visible {
  opacity: .92;
}

.mouse-football.is-hopping {
  animation: football-hop .46s ease-out;
}

@keyframes football-hop {
  0% { margin-top: 0; scale: 1; rotate: 0deg; }
  42% { margin-top: -10px; scale: 1.04; rotate: 18deg; }
  100% { margin-top: 0; scale: 1; rotate: 36deg; }
}

@media (max-width: 640px) {
  body.design-field {
    background:
      repeating-linear-gradient(
        0deg,
        var(--field-stripe) 0,
        var(--field-stripe) 8vh,
        transparent 8vh,
        transparent 16vh
      ),
      radial-gradient(circle at 50% 10%, rgba(255,255,255,.035), transparent 52vw),
      linear-gradient(160deg, var(--field-bg-2), var(--field-bg)) !important;
  }

  body.design-field::before {
    inset: 16px;
    opacity: .52;
    background:
      linear-gradient(to bottom,
        transparent calc(50% - 1px),
        var(--field-line-strong) calc(50% - 1px),
        var(--field-line-strong) calc(50% + 1px),
        transparent calc(50% + 1px)
      ),
      radial-gradient(circle at 50% 50%,
        transparent 0 18vw,
        var(--field-line) 18vw calc(18vw + 2px),
        transparent calc(18vw + 2px)
      ),
      linear-gradient(to bottom,
        transparent 0 15%,
        var(--field-line) 15% calc(15% + 2px),
        transparent calc(15% + 2px) 85%,
        var(--field-line) 85% calc(85% + 2px),
        transparent calc(85% + 2px)
      ),
      radial-gradient(ellipse 38vw 18vh at 50% 0,
        transparent 0 48%,
        var(--field-line) 48% calc(48% + 2px),
        transparent calc(48% + 2px)
      ),
      radial-gradient(ellipse 38vw 18vh at 50% 100%,
        transparent 0 48%,
        var(--field-line) 48% calc(48% + 2px),
        transparent calc(48% + 2px)
      );
  }
}