terminal.css

/*
 * Terminal theme for the webmail.
 *
 * Loaded after the app's own stylesheet, whose lengths the build has already
 * converted to cells. This file is not converted: here 1px is one cell, `ch`
 * is one column, and rows are counted in px.
 *
 * Selectors are keyed by a class where possible: TermDOM tests a rule whose
 * last compound has no class or id against every element.
 */

/* ---------------------------------------------------------------- base */

/* TermDOM brackets every <button>; the app's buttons have their own look. */
button::before,
button::after {
  content: none;
}

html,
body {
  overflow: hidden;
}

img,
video,
canvas,
iframe {
  display: none !important;
}

/* A message body is laid out inside its frame (see frames.ts). */
.fe-email-iframe {
  display: block !important;
  height: auto !important;
  border-style: none !important;
}

/* A control is one row tall. Heights set for touch targets become auto. */
button,
a,
input,
select,
[role='button'],
[role='menuitem'],
[role='option'],
[role='tab'] {
  height: auto !important;
  min-height: 0 !important;
}

/* Avatars, dots and badges shrink to their text. */
.rounded-full {
  width: auto !important;
  height: auto !important;
  min-width: 0 !important;
  min-height: 0 !important;
  border-style: none !important;
  border-radius: 0 !important;
}
/* Their content no longer has a box to fill (an avatar's initials). */
.rounded-full > .w-full,
.rounded-full > .h-full {
  width: auto !important;
  height: auto !important;
}

/* Icon-only buttons are as wide as their glyph plus a column each side. */
.h-6.w-6,
.h-7.w-7,
.h-8.w-8,
.h-9.w-9,
.h-10.w-10,
.h-11.w-11,
.size-6,
.size-7,
.size-8,
.size-9,
.size-10,
.size-11 {
  width: auto !important;
  min-width: 0 !important;
  padding-inline: 1ch !important;
}

/* Focus shows as reverse video on the focused control. */
:focus-visible {
  outline: none;
}
button:focus-visible,
a:focus-visible,
li:focus-visible,
[role='button']:focus-visible,
[role='menuitem']:focus-visible,
[role='option']:focus-visible,
[role='tab']:focus-visible {
  background-color: var(--action-primary-bg, #20c1ed) !important;
  color: var(--action-primary-fg, #000000) !important;
}

/* ---------------------------------------------------------------- icons */

/*
 * Lucide icons render as text glyphs in the terminal build
 * (components/LucideIcon.svelte). Any other SVG has nothing to draw.
 */
svg {
  display: none !important;
}
.lucide {
  width: auto !important;
  height: auto !important;
  min-width: 0 !important;
  min-height: 0 !important;
  flex-shrink: 0;
}
/* Icons drawn over a field (the search box's magnifier) keep their place. */
.lucide.absolute {
  top: 0 !important;
  bottom: auto !important;
}
.lucide-bold {
  font-weight: bold;
}
.lucide-italic {
  font-style: italic;
}
.lucide-underline {
  text-decoration: underline;
}

/* ---------------------------------------------------------------- layout */

/* The inline-flex fix is in terminal-utilities.css. */

/*
 * Text fields are one row: a tinted field rather than a drawn box. A field
 * made display:flex would shrink its text to one column, since the value and
 * placeholder become flex items.
 */
input:not([type='checkbox'], [type='radio'], [type='range'], [type='file'], [type='hidden']) {
  display: inline-block !important;
  border-style: none !important;
  background-color: var(--muted, #1e293b) !important;
  padding-block: 0 !important;
}
select,
[data-slot='select-trigger'] {
  border-style: none !important;
  background-color: var(--muted, #1e293b) !important;
  padding-block: 0 !important;
}

/* The sign-in form keeps its boxed fields. */
.fe-login-shell input:not([type='checkbox']) {
  border-style: solid !important;
  background-color: transparent !important;
}

/* Outlined buttons are bracketed on one row instead of boxed on three. */
button.border,
a.border {
  border-style: none !important;
}
button.border::before,
a.border::before {
  content: '[';
  margin-inline-end: 1ch;
}
button.border::after,
a.border::after {
  content: ']';
  margin-inline-start: 1ch;
}

/* Message list rows: no minimum height, no vertical padding. */
[data-conversation-row] {
  min-height: 0 !important;
  padding-block: 0 !important;
}

/*
 * Invisible inputs laid over a control (the composer's color pickers are
 * opacity-0 overlays) would be visible and catch every click here, since a
 * terminal draws nothing transparent. A color has no meaning on a grid
 * anyway.
 */
input[type='color'],
input[type='file'],
input.opacity-0 {
  display: none !important;
}

/* The message editor takes clicks anywhere in its box, as in a browser. */
.ProseMirror {
  min-height: 10px;
}

/* The floating composer (560×600 px on a desktop) fits the terminal's rows. */
[data-testid='compose-modal'] {
  top: 0 !important;
  height: auto !important;
}
/*
 * The message body (the text area and the box around it) is as tall as its
 * text, and the box around the fields scrolls: the compose window keeps to
 * the screen and scrolls to the lines below. TermDOM counts only a
 * scroller's children toward its scroll height, and gave the scroller its
 * content's height as a minimum, so the text ran past the window.
 */
[data-testid='compose-modal'] .flex-1.min-h-\[200px\] {
  flex: 1 0 auto;
}
[data-testid='compose-modal'] .flex-1.overflow-y-auto {
  min-height: 0;
}

/*
 * A flex item that clips its text may shrink below its content, as the
 * spec's automatic minimum size gives it in a browser; TermDOM keeps the
 * content width, so a long account address would push the account button
 * past the sidebar.
 */
.truncate,
.text-ellipsis {
  min-width: 0;
}

/*
 * Text for screen readers only. It is kept out of sight with clip, which a
 * character grid cannot do, so it would be drawn over its neighbors.
 */
.sr-only {
  display: none !important;
}

/*
 * Dialogs (shadcn's dialog content) are a grid, width: 100% with a
 * max-width. TermDOM clamps the box to the max-width but lays a grid's
 * content out at the full width, so text ran past the right edge (the
 * discard prompt) and rows lost their second column (the keys in the
 * shortcut list). As a block, the content wraps inside the box; the grid's
 * gap becomes a row between the parts.
 */
[data-slot='dialog-content'] {
  display: block !important;
}
[data-slot='dialog-content'] > * + * {
  margin-top: 1px;
}

/*
 * Hover tooltips repeat a control's label. In a terminal they cover the
 * cells around the control and sit in the way of the next click.
 */
[data-slot='tooltip-content'] {
  display: none !important;
}

/*
 * The calendar's date field labels itself on its top border, which a
 * one-row field does not have; the label would be drawn over the date.
 */
.sx__date-input-label {
  display: none !important;
}

/*
 * A toast is sized to its content, and TermDOM spreads its justify-between
 * row over the whole screen width instead, which put the close button far
 * off to the right. Packed to the start, it sits after the message.
 */
[data-testid='toast'] {
  justify-content: flex-start !important;
}

/*
 * The mailbox's own dropdowns (sort, labels, filters, move) are sized to
 * their content and then placed from that width. Their full-width rows made
 * TermDOM report the whole screen width instead, so a menu stretched across
 * the screen; the rows take their content's width here.
 */
.fe-dropdown-fixed .w-full {
  width: auto !important;
}

/*
 * The sign-in screen's ground is radial gradients over the brand ink. A
 * terminal cannot draw radial gradients, so the declaration was dropped as a
 * whole and the terminal's own background showed around the card; the ink
 * alone is used instead. (Phone widths already use a plain surface.)
 */
@media (min-width: 81px) {
  body:not(.mailbox-mode)#rl-app {
    background: var(--fe-ink);
  }
}

/*
 * Phone-width tab bar: the icon row spans its tab so the glyph centers over
 * the label (TermDOM placed it from the tab's middle), and the unread badge
 * follows the glyph instead of hanging off the icon's corner.
 */
.fe-mobile-tab-icon {
  width: 100%;
}
.fe-mobile-tab-badge {
  position: static !important;
  margin-left: 1ch;
}

/*
 * The hint bar (hints.ts) takes the bottom row; the page gives it up, and
 * the phone-width tab bar sits on top of it.
 */
.fe-has-hints body#rl-app {
  height: calc(100vh - 1px) !important;
}
.fe-has-hints .fe-mobile-tabbar {
  bottom: 1px !important;
}
#fe-terminal-hints {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  display: flex;
  overflow: hidden;
  white-space: nowrap;
  padding-inline: 1ch;
  background-color: var(--muted, #1e293b);
  color: var(--muted-foreground, #94a3b8);
  z-index: 2147483647;
}
.fe-hint {
  margin-inline-end: 3ch;
}
.fe-hint-key {
  color: var(--primary, #3b82f6);
  font-weight: bold;
}

/*
 * Two-column rows with a label and an auto-sized control column (the
 * keyboard shortcut table). TermDOM under-measures the auto column when it
 * shares out the row, so the Edit buttons were drawn past the table's edge
 * where clicks could not reach them; the column gets a fixed width, room
 * for "Press a key… (Esc to cancel)" and its Cancel button while rebinding.
 */
.grid.grid-cols-\[1fr_auto\] {
  grid-template-columns: minmax(0, 1fr) 46ch !important;
}
.grid.grid-cols-\[1fr_auto\] > :last-child {
  justify-content: flex-end;
  text-align: right;
}

/*
 * The settings page is sized inline to the screen less its header
 * (calc(100dvh - 3.5rem - var(--sai-top))), which TermDOM cannot compute,
 * so it took its content's height and everything below the first screen
 * was out of reach. The page fills the body as a column instead, and its
 * content scrolls. (The app shows and hides the page with an inline display.)
 */
#settings-root[style*='display: block'] {
  display: flex !important;
  flex-direction: column;
  height: 100%;
}
#settings-root > .flex.min-h-0 {
  flex: 1 1 0;
  height: auto !important;
}
/* In the one-column layout the content is a flex item that must shrink. */
#settings-root .fe-mobile-page-scroll {
  min-height: 0;
}

/*
 * Scroll bars (scrollbars.ts): one column over the right edge of each box
 * that scrolls. The script sets where each bar and its thumb sit.
 */
#fe-terminal-scrollbars {
  display: contents;
}
.fe-scrollbar {
  position: fixed;
  width: 1px;
  overflow: hidden;
  white-space: pre;
  user-select: none;
  cursor: default;
  z-index: 2147483646;
  color: var(--border, #334155);
}
.fe-scrollbar-thumb {
  position: absolute;
  left: 0;
  width: 1px;
  white-space: pre;
  color: var(--muted-foreground, #94a3b8);
}

/* "View original" (original.ts): the message's source over the page. */
#fe-terminal-original {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2147483000;
  display: flex;
  flex-direction: column;
  background-color: var(--background, #0f172a);
  color: var(--foreground, #e2e8f0);
}
.fe-has-hints #fe-terminal-original {
  bottom: 1px;
}
.fe-original-bar {
  display: flex;
  gap: 2ch;
  padding: 0 1ch;
  background-color: var(--muted, #1e293b);
}
.fe-original-title {
  flex: 1 1 0;
  min-width: 0;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  font-weight: bold;
}
.fe-original-bar button {
  color: var(--primary, #3b82f6);
}
.fe-original-body {
  flex: 1 1 0;
  min-height: 0;
  overflow-y: auto;
  padding: 0 1ch;
}
.fe-original-label {
  margin-top: 1px;
  color: var(--muted-foreground, #94a3b8);
  text-transform: uppercase;
}
.fe-original-body pre {
  margin: 0;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

/*
 * The path prompt for attaching a file (attachments.ts), on the bottom row
 * above the hints, with the Tab completions above it.
 */
#fe-terminal-attach {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2147483000;
  display: flex;
  flex-direction: column;
  background-color: var(--background, #0f172a);
  color: var(--foreground, #e2e8f0);
}
.fe-has-hints #fe-terminal-attach {
  bottom: 1px;
}
.fe-attach-matches {
  padding: 0 1ch;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  color: var(--muted-foreground, #94a3b8);
}
.fe-attach-matches[hidden] {
  display: none;
}
.fe-attach-row {
  display: flex;
  gap: 1ch;
  padding: 0 1ch;
}
.fe-attach-label {
  flex: none;
  font-weight: bold;
}
#fe-terminal-attach .fe-attach-input {
  flex: 1 1 auto;
  min-width: 0;
  color: var(--foreground, #e2e8f0);
}