/* Invert the luminance iff any of the "delumine" styles are selected. */
html[hc^="delumine"] {
    -webkit-filter: invert() hue-rotate(180deg) brightness(105%) contrast(105%);
}
html[hc^="delumine"][hc*="kill_background"],
html[hc^="delumine"][hc*="kill_background"] body {
    background-image: none !important;
    background-color: #FFF !important;
    color: #000 !important;
}
html[hc^="noinvert"][hc*="kill_background"],
html[hc^="noinvert"][hc*="kill_background"] body {
    background-image: none !important;
    background-color: #000 !important;
    color: #FFF !important;
}

/* Override the above with a low-contrast version if selected. */
html[hc^="delumine"][hc*="low-contrast"] {
    -webkit-filter: invert() hue-rotate(180deg) brightness(105%) contrast(85%);
}

/* Lower the contrast without inverting the luminance. */
html[hc^="noinvert-low-contrast"] {
    -webkit-filter: contrast(85%);
}

/* Lower the brightness without inverting the luminance. */
html[hc^="noinvert-dim1"] {
    -webkit-filter: brightness(90%);
}
html[hc^="noinvert-dim2"] {
    -webkit-filter: brightness(80%);
}
html[hc^="noinvert-dim3"] {
    -webkit-filter: brightness(70%);
}
html[hc^="noinvert-dim4"] {
    -webkit-filter: brightness(60%);
}
html[hc^="noinvert-dim5"] {
    -webkit-filter: brightness(50%);
}

/* The low-contrast version of the above. */
html[hc^="noinvert-dim1"][hc*="low-contrast"] {
    -webkit-filter: contrast(85%) brightness(90%);
}
html[hc^="noinvert-dim2"][hc*="low-contrast"] {
    -webkit-filter: contrast(85%) brightness(80%);
}
html[hc^="noinvert-dim3"][hc*="low-contrast"] {
    -webkit-filter: contrast(85%) brightness(70%);
}
html[hc^="noinvert-dim4"][hc*="low-contrast"] {
    -webkit-filter: contrast(85%) brightness(60%);
}
html[hc^="noinvert-dim5"][hc*="low-contrast"] {
    -webkit-filter: contrast(85%) brightness(50%);
}

/* Workaround for blurriness on high dpi displays. See Chromium issue 156019. */
html[hc*="hw_accel"] {
    -webkit-backface-visibility: hidden;
}

/* Uninvert select items within the document.
 * Note: Chrome clears -webkit-filter on all full-screen ancestor tags, killing
 * the top-level delumination filter. This is usually desirable (e.g., for
 * Youtube videos), so instead of fighting it, just avoid trying to "uninvert"
 * images in this scenario.
 */

/* For the -noimg variant, uninvert all images. */
html[hc*="delumine-noimg"]:not(*:-webkit-full-screen-ancestor) :-webkit-any(
img,
/* Check for "url" in the style attribute, which is usually a fancy way to specify an image */
[style*="url"]:not([style*="transparent"]),
[nightmode_imageType],
canvas,
embed,
object,
video) {
    -webkit-filter: contrast(95%) brightness(95%) hue-rotate(180deg) invert();
}
/* Avoid performing the uninversion process on anything that is a descendant of
 * something uninverted. */
html[hc*="delumine-noimg"]:not(*:-webkit-full-screen-ancestor) :-webkit-any(
img,
[style*="url"]:not([style*="transparent"]),
[nightmode_imageType],
canvas,
embed,
object,
video) :-webkit-any(
img,
[style*="url"]:not([style*="transparent"]),
[nightmode_imageType],
canvas,
embed,
object,
video) {
    -webkit-filter: none;
}
/* Reinvert iframes inside tags with background-images specified. */
html[hc*="delumine-noimg"]:not(*:-webkit-full-screen-ancestor) :-webkit-any(
img,
/* Check for "url" in the style attribute, which is usually a fancy way to specify an image */
[style*="url"]:not([style*="transparent"]),
[nightmode_imageType],
canvas,
embed,
object,
video) iframe {
    -webkit-filter: contrast(95%) brightness(95%) hue-rotate(180deg) invert();
}

/* The "smart" filter is more selective about what to uninvert. */
html[hc*="delumine-smart"]:not(*:-webkit-full-screen-ancestor) body :-webkit-any(
	/* Leave PNG and GIF format images inverted, since they usually are
	 * identifiable even when inverted. */
	img:not([src$=".png"]):not([src$=".gif"]):not([src$=".PNG"]):not([src$=".GIF"]):not([src^="data:image"]):not([src^="blob:"]),
	[itemprop="photo"],
	[itemprop="image"],
	[role="img"],
	[src^="data:image/jpeg"],
	[nightmode_imageType="jpg"],
	[nightmode_imageType="animated gif"],
	[style*=".jpg"],
	[style*=".JPG"],
	[style*=".jpeg"],
	[style*=".JPEG"],
	[style*=".webp"],
	[style*=".WEBP"],
	/* It's usually not desireable to invert these tags. */
	canvas:not([src^="data:image/png;base64"]),
	canvas:not([div*="*"]),
	embed:not([type$="pdf"]),
	iframe,
	object,
	video) {
    -webkit-filter: contrast(95%) brightness(95%) hue-rotate(180deg) invert();
}
/* Avoid performing the uninversion process on anything that is a descendant of
 * something uninverted. */
html[hc*="delumine-smart"]:not(*:-webkit-full-screen-ancestor) body :-webkit-any(
	img:not([src$=".png"]):not([src$=".gif"]):not([src$=".PNG"]):not([src$=".GIF"]):not([src^="data:image"]):not([src^="blob:"]),
	[itemprop="photo"],
	[itemprop="image"],
	[role="img"],
	[src^="data:image/jpeg"],
	[nightmode_imageType="jpg"],
	[style*=".jpg"],
	[style*=".JPG"],
	[style*=".jpeg"],
	[style*=".JPEG"],
	[style*=".webp"],
	[style*=".WEBP"],
	canvas:not([src^="data:image/png;base64"]),
	embed:not([type$="pdf"]),
	object,
	video) :-webkit-any(
	img:not([src$=".png"]):not([src$=".gif"]):not([src$=".PNG"]):not([src$=".GIF"]):not([src^="data:image"]):not([src^="blob:"]),
	[itemprop="photo"],
	[itemprop="image"],
	[role="img"],
	[src^="data:image/jpeg"],
	[nightmode_imageType="jpg"],
	[style*=".jpg"],
	[style*=".JPG"],
	[style*=".jpeg"],
	[style*=".JPEG"],
	[style*=".webp"],
	[style*=".WEBP"],
	canvas:not([src^="data:image/png;base64"]),
	embed:not([type$="pdf"]),
	object,
	video) {
    -webkit-filter: none;
}
/* Reinvert iframes inside tags with background-images specified. */
html[hc*="delumine-smart"]:not(*:-webkit-full-screen-ancestor) body :-webkit-any(
	img:not([src$=".png"]):not([src$=".gif"]):not([src$=".PNG"]):not([src$=".GIF"]):not([src^="data:image"]):not([src^="blob:"]),
	[itemprop="photo"],
	[itemprop="image"],
	[role="img"],
	[src^="data:image/jpeg"],
	[nightmode_imageType="jpg"],
	[style*=".jpg"],
	[style*=".JPG"],
	[style*=".jpeg"],
	[style*=".JPEG"],
	[style*=".webp"],
	[style*=".WEBP"],
	canvas:not([src^="data:image/png;base64"]),
	embed:not([type$="pdf"]),
	object,
	video) iframe {
    -webkit-filter: contrast(95%) brightness(95%) hue-rotate(180deg) invert();
}

/* Force text to plain black text on white (which, when inverted, is the
 * preferable white text on black. */
html[hc*="delumine"][hc*="force_text"] input[type="text"] {
    background-image: none !important;
    background-color: white !important;
    color: black !important;
}

/* ...unless it's uninverted because of a background image. Then set it
 * directly to white text on black. */
html[hc*="delumine-smart"][hc*="force_text"] input[type="text"]:-webkit-any(
	[src^="data:image/jpeg"],
	[nightmode_imageType="jpg"],
	[style*=".jpg"],
	[style*=".JPG"],
	[style*=".jpeg"],
	[style*=".JPEG"]) {
    background-image: none !important;
    background-color: black !important;
    color: white !important;
}

html[hc*="delumine-noimg"][hc*="force_text"] input[style*="url"]:-webkit-any(
  [type="text"], [dir]):not([style*="transparent"]) {
    background-image: none !important;
    background-color: black !important;
    color: white !important;
}

/* Crude workaround for my inability to inject nightmode into preview iframes
 * on the new tab page. */
html[hc*="delumine-noimg"] iframe[src^="chrome-search://most-visited"],
html[hc*="delumine-smart"] iframe[src^="chrome-search://most-visited"] {
    -webkit-filter: contrast(95%) brightness(95%) hue-rotate(180deg) invert();
}