:root {
  --fg: #15141a;
  --fg-dim: #38383d;
  --bg: #ffffff;
  --border: #8f8f9d;
  --field-bg: #ffffff;
  --accent: #0060df;
  /* Backdrop for the drawings and inline code. */
  --surface: #f0f0f4;
  --tooltip-bg: #15141a;
  --tooltip-fg: #fbfbfe;
  --danger: #d70022;
}

@media (prefers-color-scheme: dark) {
  :root {
    --fg: #fbfbfe;
    --fg-dim: #e0e0e6;
    --bg: #23222b;
    --border: #8f8f9d;
    --field-bg: #2b2a33;
    --accent: #0df;
    --surface: #1c1b22;
    --tooltip-bg: #52525e;
    --tooltip-fg: #fbfbfe;
    --danger: #ff848b;
  }
}

body {
  margin: 0;
  padding: 0.5rem 0;
  color: var(--fg);
  background: var(--bg);
  font: message-box;
  font-size: 1rem;
  line-height: 1.4;
  max-width: 42rem;
}

.intro {
  margin: 0 0 0.75rem;
}

.ways {
  margin: 0 0 0.75rem;
  padding: 0;
  list-style: none;
}

.ways > li {
  margin-bottom: 0.9rem;
}

.inline-icon {
  width: 16px;
  height: 16px;
  vertical-align: -3px;
}

/* Simplified drawings of Firefox's address bar and right-click menu. They are
   not screenshots, so they follow the theme and never go out of date. */
.drawing {
  max-width: 24rem;
  margin: 0.45rem auto 0;
  padding: 0.75rem;
  border-radius: 8px;
  background: var(--surface);
  font-size: 0.85rem;
  user-select: none;
}

.drawing img {
  width: 16px;
  height: 16px;
}

.drawing-urlbar {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.35rem 0.5rem;
  border-radius: 6px;
  background: var(--field-bg);
  outline: 2px solid var(--accent);
}

.drawing-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.1rem 0.45rem;
  border-radius: 4px;
  background: color-mix(in srgb, var(--fg) 10%, var(--field-bg));
  font-weight: 600;
  white-space: nowrap;
}

.drawing-typed {
  min-width: 0;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

/* The text cursor. */
.drawing-typed::after {
  content: "";
  display: inline-block;
  width: 1px;
  height: 1.1em;
  margin-inline-start: 1px;
  background: currentColor;
  vertical-align: text-bottom;
}

.drawing-page {
  margin: 0 0 0.3rem;
}

.drawing mark {
  color: inherit;
  background: color-mix(in srgb, var(--accent) 30%, transparent);
}

.drawing-toolbar {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.drawing-address {
  flex: 1;
  min-width: 0;
  padding: 0.3rem 0.6rem;
  border-radius: 6px;
  background: var(--field-bg);
  color: var(--fg-dim);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.drawing-button {
  position: relative;
  display: inline-flex;
  flex: none;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 4px;
}

.drawing-button svg {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.3;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.drawing-button-hover {
  background: color-mix(in srgb, var(--fg) 14%, transparent);
}

/* The mouse pointer resting on the hovered button. */
.drawing-button svg.drawing-pointer {
  position: absolute;
  top: 16px;
  left: 17px;
  width: 12px;
  height: 18px;
  fill: #fff;
  stroke: #000;
  stroke-width: 1;
}

.drawing-tooltip {
  position: absolute;
  top: calc(100% + 0.65rem);
  right: 0;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  background: var(--tooltip-bg);
  color: var(--tooltip-fg);
  white-space: nowrap;
  box-shadow: 0 1px 4px rgb(0 0 0 / 0.3);
}

/* Top padding keeps the heading clear of the tooltip at narrow widths. */
.drawing-content {
  margin: 0.6rem 0 0;
  padding: 1.9rem 0.75rem 1rem;
  border-radius: 6px;
  background: var(--field-bg);
  font-size: 1.05rem;
  font-weight: 700;
}

.drawing-menu {
  width: 11rem;
  /* Opens at the pointer, just under the selection. */
  margin-inline-start: 3.5rem;
  padding: 0.25rem 0;
  border: 1px solid color-mix(in srgb, var(--border) 60%, transparent);
  border-radius: 6px;
  background: var(--field-bg);
  box-shadow: 0 2px 8px rgb(0 0 0 / 0.2);
}

.drawing-menu > div {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  /* Line the plain items up with the text of the item that has an icon. */
  padding: 0.2rem 0.75rem 0.2rem calc(0.75rem + 16px + 0.45rem);
}

.drawing-menu > .drawing-menu-active {
  padding-inline-start: 0.75rem;
  background: color-mix(in srgb, var(--accent) 20%, var(--field-bg));
}

.drawing-menu hr {
  margin: 0.25rem 0;
  border: 0;
  border-top: 1px solid color-mix(in srgb, var(--border) 50%, transparent);
}

/* The Advanced submenu, open beside the highlighted Ask ChatGPT item. */
.drawing-advanced {
  margin-bottom: 1.15rem;
}

.drawing-menus {
  display: flex;
  align-items: flex-start;
  justify-content: center;
}

.drawing-menus > .drawing-menu {
  flex: none;
  width: 10rem;
  margin-inline-start: 0;
}

.drawing-menus > .drawing-submenu {
  width: 8.5rem;
  /* Lines its first item up with Ask ChatGPT, overlapping the menu edge. */
  margin-top: 3.75rem;
  margin-inline-start: -0.3rem;
}

/* Submenu items have no icon, so the highlighted one keeps the icon gap. */
.drawing-submenu > .drawing-menu-active {
  padding-inline-start: calc(0.75rem + 16px + 0.45rem);
}

.drawing-submenu-arrow {
  margin-inline-start: auto;
  font-size: 1.2em;
  line-height: 1;
}

/* The shortcut's keys, held down. shortcut.js fills these in. */
.drawing-keycaps {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.3rem 0;
  color: var(--fg-dim);
  font-size: 1rem;
}

.drawing-key {
  min-width: 1.4rem;
  padding: 0.35rem 0.65rem;
  border: 1px solid color-mix(in srgb, var(--accent) 55%, var(--border));
  border-bottom-width: 3px;
  border-radius: 6px;
  background: color-mix(in srgb, var(--accent) 12%, var(--field-bg));
  color: var(--fg);
  text-align: center;
  transform: translateY(1px);
}

.hint.intro-hint {
  margin: 0;
}

.usage,
.settings {
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.hint.settings-scope {
  margin: 0 0 1rem;
}

.field {
  margin-bottom: 1.15rem;
}

label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.3rem;
}

.checkbox label {
  font-weight: 400;
  display: flex;
  align-items: baseline;
  gap: 0.45rem;
}

input[type="text"],
select {
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  padding: 0.4rem 0.5rem;
  color: var(--fg);
  background: var(--field-bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  font: inherit;
}

input[type="text"]:focus-visible,
select:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.hint {
  margin: 0.3rem 0 0;
  color: var(--fg-dim);
  font-size: 0.85rem;
}

summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--fg);
}

details[open] > summary {
  margin-bottom: 0.75rem;
}

.more-options {
  margin-bottom: 1.15rem;
}

.summary-detail {
  font-weight: 400;
  color: var(--fg-dim);
}

/* Reversed so the button stays at the right edge and "Saved" appears beside
   it without moving it. */
.actions {
  display: flex;
  flex-direction: row-reverse;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-top: 1.5rem;
}

button {
  padding: 0.35rem 0.8rem;
  color: var(--fg);
  background: var(--field-bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  font: inherit;
  cursor: pointer;
}

/* Restore defaults discards every customised setting at once. */
button.danger {
  color: var(--danger);
  border-color: var(--danger);
}

button.danger:hover {
  color: var(--bg);
  background: var(--danger);
}

#status {
  color: var(--fg-dim);
  font-size: 0.85rem;
}

.note {
  margin-top: 1.25rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  color: var(--fg-dim);
  font-size: 0.85rem;
}

.note summary {
  font-size: 1rem;
}

code {
  padding: 0 0.25em;
  border-radius: 3px;
  background: var(--surface);
  font-family: monospace;
  font-size: 0.9em;
}

/* Written as <Ctrl>+L, so the keys read as words rather than code. */
kbd {
  font: inherit;
  font-weight: 600;
  white-space: nowrap;
}

.usage h2,
.settings h2 {
  margin: 0 0 0.5rem;
  color: var(--fg);
  font-size: 1rem;
}

.note p,
.note ol {
  margin: 0 0 0.75rem;
}

.note ol {
  padding-inline-start: 1.25rem;
}

.note li {
  margin-bottom: 0.3rem;
}

.note code {
  overflow-wrap: anywhere;
}

.project-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem 0.65rem;
  margin-top: 1.5rem;
}

.project-link {
  display: inline-flex;
  align-items: baseline;
  gap: 0.65rem;
}

.link-separator {
  color: var(--fg-dim);
}

a {
  color: var(--accent);
  text-decoration: underline;
}

a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* The inline about:addons surface can be very narrow. */
@media (max-width: 26rem) {
  .actions {
    align-items: flex-end;
    flex-direction: column;
  }

  .drawing-menu {
    margin-inline-start: 1rem;
  }

  /* Stack the links rather than wrap one onto a line that starts with "|". */
  .project-links {
    flex-direction: column;
    align-items: center;
  }

  .link-separator {
    display: none;
  }
}

[hidden] { display: none !important; }
.dependent-settings {
  border-inline-start: 2px solid var(--border);
  padding-inline-start: 1rem;
  margin-bottom: 1.15rem;
}