opencode/packages/ui/src/styles/base.css

/*
  1. Prevent padding and border from affecting element width. (https://github.com/mozdevs/cssremedy/issues/4)
  2. Remove default margins and padding
  3. Reset all borders.
*/

*,
::after,
::before,
::backdrop,
::file-selector-button {
  box-sizing: border-box; /* 1 */
  margin: 0; /* 2 */
  padding: 0; /* 2 */
  border: 0 solid; /* 3 */
}

/*
  1. Use a consistent sensible line-height in all browsers.
  2. Prevent adjustments of font size after orientation changes in iOS.
  3. Use a more readable tab size.
  4. Use the user's configured `sans` font-family by default.
  5. Use the user's configured `sans` font-feature-settings by default.
  6. Use the user's configured `sans` font-variation-settings by default.
  7. Disable tap highlights on iOS.
*/

html,
:host {
  line-height: var(--line-height-large); /* 1 */
  -webkit-text-size-adjust: 100%; /* 2 */
  tab-size: 4; /* 3 */
  font-family: var(--font-family-sans); /* 4 */
  font-feature-settings: var(--font-family-sans--font-feature-settings, normal); /* 5 */
  font-variation-settings: var(--font-family-sans--font-variation-settings, normal); /* 6 */
  -webkit-tap-highlight-color: transparent; /* 7 */
}

/*
  1. Add the correct height in Firefox.
  2. Correct the inheritance of border color in Firefox. (https://bugzilla.mozilla.org/show_bug.cgi?id=190655)
  3. Reset the default border style to a 1px solid border.
*/

hr {
  height: 0; /* 1 */
  color: inherit; /* 2 */
  border-top-width: 1px; /* 3 */
}

/*
  Add the correct text decoration in Chrome, Edge, and Safari.
*/

abbr:where([title]) {
  -webkit-text-decoration: underline dotted;
  text-decoration: underline dotted;
}

/*
  Remove the default font size and weight for headings.
*/

h1,
h2,
h3,
h4,
h5,
h6 {
  font-size: inherit;
  font-weight: inherit;
}

/*
  Reset links to optimize for opt-in styling instead of opt-out.
*/

a {
  color: inherit;
  -webkit-text-decoration: inherit;
  text-decoration: inherit;
  cursor: default;
}

#root:not([aria-hidden]) *[data-tauri-drag-region] {
  app-region: drag;
}

*[data-tauri-drag-region] button,
*[data-tauri-drag-region] a,
*[data-tauri-drag-region] input,
*[data-tauri-drag-region] textarea,
*[data-tauri-drag-region] select,
*[data-tauri-drag-region] [role="button"],
*[data-tauri-drag-region] [role="menuitem"],
*[data-tauri-drag-region] [contenteditable] {
  app-region: no-drag;
}

/*
  Add the correct font weight in Edge and Safari.
*/

b,
strong {
  font-weight: bolder;
}

/*
  1. Use the user's configured `mono` font-family by default.
  2. Use the user's configured `mono` font-feature-settings by default.
  3. Use the user's configured `mono` font-variation-settings by default.
  4. Correct the odd `em` font sizing in all browsers.
*/

code,
kbd,
samp,
pre {
  font-family: var(--font-family-mono); /* 1 */
  font-feature-settings: var(--font-family-mono--font-feature-settings, normal); /* 2 */
  font-variation-settings: var(--font-family-mono--font-variation-settings, normal); /* 3 */
  font-size: 1em; /* 4 */
}

/*
  Add the correct font size in all browsers.
*/

small {
  font-size: 80%;
}

/*
  Prevent `sub` and `sup` elements from affecting the line height in all browsers.
*/

sub,
sup {
  font-size: 75%;
  line-height: 0;
  position: relative;
  vertical-align: baseline;
}

sub {
  bottom: -0.25em;
}

sup {
  top: -0.5em;
}

/*
  1. Remove text indentation from table contents in Chrome and Safari. (https://bugs.chromium.org/p/chromium/issues/detail?id=999088, https://bugs.webkit.org/show_bug.cgi?id=201297)
  2. Correct table border color inheritance in all Chrome and Safari. (https://bugs.chromium.org/p/chromium/issues/detail?id=935729, https://bugs.webkit.org/show_bug.cgi?id=195016)
  3. Remove gaps between table borders by default.
*/

table {
  text-indent: 0; /* 1 */
  border-color: inherit; /* 2 */
  border-collapse: collapse; /* 3 */
}

/*
  Use the modern Firefox focus style for all focusable elements.
*/

:-moz-focusring {
  outline: auto;
}

/*
  Add the correct vertical alignment in Chrome and Firefox.
*/

progress {
  vertical-align: baseline;
}

/*
  Add the correct display in Chrome and Safari.
*/

summary {
  display: list-item;
}

/*
  Make lists unstyled by default.
*/

ol,
ul,
menu {
  list-style: none;
}

/*
  1. Make replaced elements `display: block` by default. (https://github.com/mozdevs/cssremedy/issues/14)
  2. Add `vertical-align: middle` to align replaced elements more sensibly by default. (https://github.com/jensimmons/cssremedy/issues/14#issuecomment-634934210)
      This can trigger a poorly considered lint error in some tools but is included by design.
*/

img,
svg,
video,
canvas,
audio,
iframe,
embed,
object {
  display: block; /* 1 */
  vertical-align: middle; /* 2 */
}

/*
  Constrain images and videos to the parent width and preserve their intrinsic aspect ratio. (https://github.com/mozdevs/cssremedy/issues/14)
*/

img,
video {
  max-width: 100%;
  height: auto;
}

/*
  1. Inherit font styles in all browsers.
  2. Remove border radius in all browsers.
  3. Remove background color in all browsers.
  4. Ensure consistent opacity for disabled states in all browsers.
*/

button,
input,
select,
optgroup,
textarea,
::file-selector-button {
  font: inherit; /* 1 */
  font-feature-settings: inherit; /* 1 */
  font-variation-settings: inherit; /* 1 */
  letter-spacing: inherit; /* 1 */
  color: inherit; /* 1 */
  border-radius: 0; /* 2 */
  background-color: transparent; /* 3 */
  opacity: 1; /* 4 */
}

/*
  Restore default font weight.
*/

:where(select:is([multiple], [size])) optgroup {
  font-weight: bolder;
}

/*
  Restore indentation.
*/

:where(select:is([multiple], [size])) optgroup option {
  padding-inline-start: 20px;
}

/*
  Restore space after button.
*/

::file-selector-button {
  margin-inline-end: 4px;
}

/*
  Reset the default placeholder opacity in Firefox. (https://github.com/tailwindlabs/tailwindcss/issues/3300)
*/

::placeholder {
  opacity: 1;
}

/*
  Set the default placeholder color to a semi-transparent version of the current text color in browsers that do not
  crash when using `color-mix(…)` with `currentcolor`. (https://github.com/tailwindlabs/tailwindcss/issues/17194)
*/

@supports (not (-webkit-appearance: -apple-pay-button)) /* Not Safari */ or (contain-intrinsic-size: 1px)
  /* Safari 17+ */ {
  ::placeholder {
    color: color-mix(in oklab, currentcolor 50%, transparent);
  }
}

/*
  Prevent resizing textareas horizontally by default.
*/

textarea {
  resize: vertical;
}

/*
  Remove the inner padding in Chrome and Safari on macOS.
*/

::-webkit-search-decoration {
  -webkit-appearance: none;
}

/*
  1. Ensure date/time inputs have the same height when empty in iOS Safari.
  2. Ensure text alignment can be changed on date/time inputs in iOS Safari.
*/

::-webkit-date-and-time-value {
  min-height: 1lh; /* 1 */
  text-align: inherit; /* 2 */
}

/*
  Prevent height from changing on date/time inputs in macOS Safari when the input is set to `display: block`.
*/

::-webkit-datetime-edit {
  display: inline-flex;
}

/*
  Remove excess padding from pseudo-elements in date/time inputs to ensure consistent height across browsers.
*/

::-webkit-datetime-edit-fields-wrapper {
  padding: 0;
}

::-webkit-datetime-edit,
::-webkit-datetime-edit-year-field,
::-webkit-datetime-edit-month-field,
::-webkit-datetime-edit-day-field,
::-webkit-datetime-edit-hour-field,
::-webkit-datetime-edit-minute-field,
::-webkit-datetime-edit-second-field,
::-webkit-datetime-edit-millisecond-field,
::-webkit-datetime-edit-meridiem-field {
  padding-block: 0;
}

/*
  Center dropdown marker shown on inputs with paired `<datalist>`s in Chrome. (https://github.com/tailwindlabs/tailwindcss/issues/18499)
*/

::-webkit-calendar-picker-indicator {
  line-height: 1;
}

/*
  Remove the additional `:invalid` styles in Firefox. (https://github.com/mozilla/gecko-dev/blob/2f9eacd9d3d995c937b4251a5557d95d494c9be1/layout/style/res/forms.css#L728-L737)
*/

:-moz-ui-invalid {
  box-shadow: none;
}

/*
  Correct the inability to style the border radius in iOS Safari.
*/

button,
input:where([type="button"], [type="reset"], [type="submit"]),
::file-selector-button {
  appearance: button;
}

/*
  Correct the cursor style of increment and decrement buttons in Safari.
*/

::-webkit-inner-spin-button,
::-webkit-outer-spin-button {
  height: auto;
}

/*
  Make elements with the HTML hidden attribute stay hidden by default.
*/

[hidden]:where(:not([hidden="until-found"])) {
  display: none !important;
}

/*
  Prevent iOS Safari from auto-zooming on input focus.
  iOS WebKit zooms on any input with font-size < 16px as an accessibility feature.
*/

@media (hover: none) and (pointer: coarse) {
  input,
  select,
  textarea,
  [contenteditable="true"] {
    font-size: 16px !important;
  }
}