.app-sheet {
  position: relative;
  isolation: isolate;
}
.app-sheet::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: var(--sig-texture-opacity, 0);
  background-repeat: repeat;
  background-size: 72px 72px;
}
.app-sheet > * {
  position: relative;
  z-index: 1;
}

:root[data-preset="iran"] .app-sheet::before {
  background-image:
    repeating-linear-gradient(
      45deg,
      transparent 0 22px,
      color-mix(in srgb, var(--accent) 7%, transparent) 22px 23px,
      transparent 23px 44px
    ),
    repeating-linear-gradient(
      -45deg,
      transparent 0 22px,
      color-mix(in srgb, var(--accent) 7%, transparent) 22px 23px,
      transparent 23px 44px
    );
  background-size: 44px 44px;
}
:root[data-preset="iran"][data-theme="light"] .app-sheet::before {
  background-image:
    repeating-linear-gradient(
      45deg,
      transparent 0 22px,
      color-mix(in srgb, var(--accent) 10%, transparent) 22px 23px,
      transparent 23px 44px
    ),
    repeating-linear-gradient(
      -45deg,
      transparent 0 22px,
      color-mix(in srgb, var(--accent) 10%, transparent) 22px 23px,
      transparent 23px 44px
    );
}

@supports not (color: color-mix(in srgb, red, blue)) {
  .app-sheet::before {
    background-image: none;
  }
}

.app-sheet::after {
  content: "";
  position: fixed;
  top: 0;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: min(100%, var(--canvas, 1760px));
  background: var(--accent);
  -webkit-mask-image: var(--preset-signature);
  mask-image: var(--preset-signature);
  -webkit-mask-size: var(--preset-signature-size);
  mask-size: var(--preset-signature-size);
  -webkit-mask-position: var(--preset-signature-position);
  mask-position: var(--preset-signature-position);
  -webkit-mask-repeat: var(--preset-signature-repeat, no-repeat);
  mask-repeat: var(--preset-signature-repeat, no-repeat);
  opacity: var(--preset-signature-opacity, 0);
  -webkit-mask-mode: luminance;
  mask-mode: luminance;
  pointer-events: none;
  z-index: -1;
  transition: opacity 0.5s var(--ease-ios);
  will-change: opacity;
}

@media print {
  .app-sheet::after {
    display: none !important;
  }
}

@media (prefers-reduced-motion: reduce) {
  .app-sheet::after {
    transition: none;
  }
}