options.css

:root {
  color-scheme: light dark;
  --border-color: #f0f0f0;
}

body {
  user-select: none;
  padding: 0;
  margin: 0;
  /* XXX These are defaults for Chrome, do something else instead */
  font-size: 13px;
  font-family: system-ui, sans-serif;
}

body.browserAction {
  min-width: 400px;
}
body.iOS.browserAction {
  min-width: 0;
}
body.macOS.browserAction {
  min-width: 340px;
}

body.desktop .mobile,
body.mobile .desktop,
body:not(.debug) .debug,
body:not(.hiddenChannels) #hiddenChannelsDetails,
body:not(.hidingWatched) .hidingWatched {
  display: none;
}

body:not(.iOS.safari) .toggle {
  display: none;
}

label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 4px 12px;
  margin: 8px 0;
  cursor: pointer;
}

input[type=checkbox],
select {
  cursor: pointer;
}

input[type=checkbox] {
  margin-left: 12px;
  flex-shrink: 0;
}

section.group > label:not(.checkbox) {
  cursor: default;
}

section:not(:first-of-type) {
  border-top: 1px solid var(--border-color);
}

section.group > section {
  margin-left: 40px;
}

section.group > label {
  margin-bottom: 12px;
}

form > section.group:first-of-type > label {
  margin-bottom: 8px;
}

section.group > section > * {
  color: rgb(95, 99, 104);
  padding-left: 0;
}

section.group > p {
  margin: 0 0 12px 40px;
  font-size: 12px;
}

section.group > section > p {
  margin: 0 40px 12px 0;
  font-size: 12px;
}

details {
  margin-left: 12px;
}

summary {
  padding-top: 4px;
  padding-bottom: 4px;
  margin-top: 8px;
  margin-bottom: 8px;
  cursor: pointer;
}

.icon {
  height: 1.25em;
}

body.disabled .icon {
  filter: grayscale(100%);
}

body.disabled form > section ~ section {
  visibility: hidden;
}

body.disabled:not(.safari) form > section {
  border-bottom: 1px solid var(--border-color);
}

#version {
  text-align: center;
  font-size: 75%;
  margin-top: 12px;
}
body.disabled #version {
  display: none;
}

/* Firefox overrides */
@-moz-document url-prefix() {
  body {
    font-family: inherit;
    font-size: 15px;
  }
  body.browserAction {
    min-width: auto;
    max-width: 400px;
  }
  section {
    --border-color: #d7d7db;
  }
  section.group > p,
  section.group > section > * {
    color: rgb(91, 91, 102);
  }
  section.group > p,
  section.group > section > p {
    font-size: 14px;
  }
}

/* Edge overrides */
body.edge {
  font-size: 14px;
}
body.edge section {
  --border-color: #B6B6B6;
}
body.edge section.group > label {
  font-weight: 600;
}
body.edge section.group > p,
body.edge section.group > section > * {
  color: #767676;
}

/* Safari overrides */
body.safari {
  -webkit-user-select: none;
}

/* Safari overrides (macOS) */
body.macOS.safari form {
  padding: 4px 0;
}
/* Space option groups */
body.macOS.safari form > section:not(:first-of-type) {
  margin-top: 20px;
}
/* Add colons to option group labels */
body.macOS.safari section.group > label:not(.checkbox)::after {
  content: ":";
}
body.macOS.safari form > section.group > label {
  margin-bottom: 0;
}
/* Indent options to align with the toggle all checkbox if there is one */
body.macOS.safari section.group > section {
  margin-left: 32px;
}
/* Align option group help text with options */
body.macOS.safari form > section.group > p {
  margin: 12px 12px 12px 32px;
}
/* Don't display dividing lines between option groups or options */
body.macOS.safari section {
  border-top: none;
}
/* Indent nested options to align with checkbox labels */
body.macOS.safari section.group > section > section {
  margin-left: 8px;
}
/* Put controls next to their labels... */
body.macOS.safari label {
  justify-content: start;
  align-items: center;
  padding-top: 0;
  padding-bottom: 0;
}
/* Put checkboxes before their labels */
body.macOS.safari section.checkbox > label,
body.macOS.safari label.checkbox {
  flex-direction: row-reverse;
}
body.macOS.safari input[type=checkbox] {
  margin-left: 0;
  margin-right: 6px;
}
/* Add colons to dropdown labels */
body.macOS.safari section.select label {
  display: block;
}
body.macOS.safari section.select span::after {
  content: ": ";
  display: inline-block
}
/* Align help text with checkbox labels */
body.macOS.safari section.checkbox > p {
  margin-left: 20px;
  margin-right: 12px;
}
body.macOS.safari p {
  color: rgb(123, 123, 123) !important;
}
body.macOS.safari section.group > section > * {
  color: inherit;
}

/* Safari overrides (iOS) */
body.iOS.safari {
  background-color: rgb(240, 240, 245);
  padding: 18px;
  font-size: inherit;
}
body.iOS.safari label {
  /* Prevent flash when labels are tapped */
  -webkit-tap-highlight-color: transparent;
  padding-left: 0;
  padding-right: 18px;
}
/* Option groups should contain their options in a rounded box */
body.iOS.safari form > section {
  background-color: white;
  border-radius: 10px;
  padding-left: 18px;
  padding-bottom: 1px;
  padding-top: 1px;
  border-top: none !important;
}
body.iOS.safari form > section:not(:first-of-type) {
  margin-top: 34px;
}
/* All options should have a dividing line */
body.iOS.safari section.group section {
  border-top: 1px solid rgb(236, 236, 237);
}
/* Options should not be indented by default */
body.iOS.safari section.group > section {
  margin-left: 0;
}
/* Groups which have a toggle for all their options should indent their options */
body.iOS.safari section.group > label.checkbox ~ section,
/* Nested groups should indent their options */
body.iOS.safari section.group > section.group > section {
  margin-left: 18px;
}
/* Labelled option groups should display their label above the box */
body.iOS.safari form > section.labelled {
  position: relative;
  margin-top: 46px;
}
body.iOS.safari form > section:first-child.labelled {
  margin-top: 12px;
}
body.iOS.safari form > section.labelled > label {
  position: absolute;
  top: -32px;
  text-transform: uppercase;
  font-size: 75%;
  color: rgb(133, 133, 135);
}
body.iOS.safari form > section.labelled > label + section,
body.iOS.safari form > section.labelled > label + section.desktop + section {
  border-top: none;
}
body.iOS.safari form > section.labelled > label + p {
  margin-top: 12px;
  margin-left: 0;
}
/* A checkbox options with nested options should indent their names */
body.iOS.safari section.checkbox > section:not(.group) > label {
  padding-left: 18px
}
/* A checkbox option with nested group should indent it */
body.iOS.safari section.checkbox > section.group {
  margin-left: 18px
}
body.iOS.safari summary {
  padding-left: 0;
}
body.iOS.safari p {
  font-size: inherit !important;
  color: rgb(95, 99, 104) !important;
  margin-right: 18px;
}
body.iOS.safari section.group > section > * {
  color: inherit;
}

/* iOS-style toggles */
body.iOS.safari .checkbox input[type="checkbox"] {
  position: absolute;
  overflow: hidden;
  clip: rect(0 0 0 0);
  height: 1px;
  width: 1px;
  margin: -1px;
  padding: 0;
  border: 0;
}
body.iOS.safari .checkbox .toggle {
  position: relative;
  display: inline-block;
  min-width: 46px;
  height: 26px;
  background-color: #e6e6e6;
  border-radius: 23px;
  vertical-align: text-bottom;
  transition: all 0.3s linear;
  margin-left: 8px;
}
body.iOS.safari .checkbox .toggle::before {
  content: "";
  position: absolute;
  left: 0;
  width: 42px;
  height: 22px;
  background-color: #fff;
  border-radius: 11px;
  transform: translate3d(2px, 2px, 0) scale3d(1, 1, 1);
  transition: all 0.25s linear;
}
body.iOS.safari .checkbox .toggle::after {
  content: "";
  position: absolute;
  left: 0;
  width: 22px;
  height: 22px;
  background-color: #fff;
  border-radius: 11px;
  box-shadow: 0 2px 2px rgba(0, 0, 0, 0.24);
  transform: translate3d(2px, 2px, 0);
  transition: all 0.2s ease-in-out;
}
body.iOS.safari .checkbox label:active .toggle::after,
body.iOS.safari label.checkbox:active .toggle:after {
  width: 28px;
  transform: translate3d(2px, 2px, 0);
}
body.iOS.safari .checkbox label:active input:checked + .toggle::after,
body.iOS.safari label.checkbox:active input:checked + .toggle::after {
  transform: translate3d(16px, 2px, 0);
}
body.iOS.safari input:checked + .toggle {
  background-color: #4BD763;
}
body.iOS.safari input:checked + .toggle::before {
  transform: translate3d(18px, 2px, 0) scale3d(0, 0, 0);
}
body.iOS.safari input:checked + .toggle::after {
  transform: translate3d(22px, 2px, 0);
}
body.iOS.safari .checkbox input:focus + .toggle {
  outline: 5px auto Highlight;
  outline: 5px auto -webkit-focus-ring-color;
}

/* Dark mode overrides */
@media (prefers-color-scheme: dark) {
  body {
    background-color: #292a2d;
    color: #e8eaed;
  }
  section {
    --border-color: #3f4042;
  }
  section.group > p,
  section.group > section > * {
    color: rgb(154, 160, 166);
  }

  /* Edge dark mode overrides */
  body.edge {
    background-color: #3B3B3B;
    color: #A7A7A7;
  }
  body.edge section.group > label {
    color: #fff;
  }
  body.edge section {
    --border-color: #737373;
  }
  body.edge section.group > p,
  body.edge section.group > section > * {
    color: #A7A7A7;
  }

  /* Firefox dark mode overrides */
  @-moz-document url-prefix() {
    body {
      background-color: #23222b;
    }
    section {
      --border-color: #4e4d54;
    }
    section.group > p,
    section.group > section > * {
      color: rgb(191, 191, 201);
    }
  }

  /* Safari dark mode overrides */
  body.macOS.safari p {
    color: rgb(184, 184, 184) !important;
  }
  body.iOS.safari {
    background-color: rgb(0, 0, 0);
  }
  body.iOS.safari form > section {
    background-color: rgb(28, 28, 30);
  }
  body.iOS.safari form > section.labelled > label {
    color: rgb(115, 115, 121);
  }
  body.iOS.safari section.group section {
    --border-color: rgb(35, 35, 37);
  }
  body.iOS.safari p {
    color: rgb(132, 132, 138) !important;
  }
  body.iOS.safari .checkbox .toggle {
    background-color: rgb(57, 57, 61);
  }
  body.iOS.safari .checkbox .toggle::before {
    background-color: rgb(57, 57, 61);
  }
}