styles.css

/* Link hint mode (Vimium-style `f`) */

.vim-reading-nav-hint {
	position: fixed;
	z-index: var(--layer-popover, 30);
	padding: 0 4px;
	font-family: var(--font-monospace);
	font-size: 11px;
	font-weight: 700;
	line-height: 1.4;
	color: var(--text-on-accent);
	background-color: var(--interactive-accent);
	border-radius: 4px;
	box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
	pointer-events: none;
	transform: translateY(-50%);
}

.vim-reading-nav-hint-inactive {
	opacity: 0.3;
}

/* Highlight applied to a focused link */
.vim-reading-nav-link-focused {
	outline: 2px solid var(--interactive-accent);
	outline-offset: 2px;
	border-radius: 2px;
}

/* Persistent internal-link preview */
.vim-reading-nav-preview {
	position: fixed;
	z-index: var(--layer-popover, 30);
	width: min(36rem, calc(100vw - 24px));
	/* --vim-reading-nav-preview-room: space on the preview's side of the focused link, set while positioning. */
	max-height: min(65vh, 38rem, var(--vim-reading-nav-preview-room, 100vh));
	display: flex;
	flex-direction: column;
	color: var(--text-normal);
	background: var(--background-primary);
	border: 1px solid var(--background-modifier-border);
	border-radius: var(--radius-m);
	box-shadow: var(--shadow-s);
	overflow: hidden;
}

/* Headerless footnote and external destination previews. */
.vim-reading-nav-preview-compact {
	width: fit-content;
	max-width: min(36rem, calc(100vw - 24px));
}

.vim-reading-nav-preview-compact .vim-reading-nav-preview-status {
	padding: var(--size-4-3) var(--size-4-4);
}

.vim-reading-nav-preview-compact .vim-reading-nav-preview-body {
	padding: var(--size-4-3) var(--size-4-4);
}

.vim-reading-nav-preview-compact .markdown-rendered > :first-child {
	margin-top: 0;
}

.vim-reading-nav-preview-compact .markdown-rendered > :last-child {
	margin-bottom: 0;
}

.vim-reading-nav-external-preview {
	font-size: var(--font-ui-medium);
}

.vim-reading-nav-external-url {
	max-width: min(36rem, calc(100vw - 48px));
	overflow-wrap: anywhere;
	user-select: text;
}

.vim-reading-nav-preview-header {
	flex: 0 0 auto;
	padding: var(--size-4-2) var(--size-4-3);
	background: var(--background-secondary);
	border-bottom: 1px solid var(--background-modifier-border);
}

.vim-reading-nav-preview-title {
	display: block;
	overflow: hidden;
	font-weight: var(--font-semibold);
	text-overflow: ellipsis;
	white-space: nowrap;
}

.vim-reading-nav-preview-status {
	padding: var(--size-4-4);
	color: var(--text-muted);
}

.vim-reading-nav-preview-body {
	font-size: var(--font-text-size);
	line-height: var(--line-height-normal);
	min-height: 0;
	overflow: auto;
	padding: var(--size-4-3) var(--size-4-4);
}

.vim-reading-nav-preview-body :not(pre) > code {
	line-height: inherit;
	padding-block: 0.05em;
}

/* Preview content is display-only; navigation remains on the focused source link. */
.vim-reading-nav-preview-body :is(a, button, input, select, textarea, summary, [role="button"]) {
	pointer-events: none;
	cursor: default;
}

.vim-reading-nav-preview-footer {
	flex: 0 0 auto;
	display: flex;
	flex-wrap: wrap;
	align-items: baseline;
	gap: 0 6px;
	padding: 2px 6px;
	border-top: 1px solid var(--background-modifier-border);
	background: var(--background-secondary);
	color: var(--text-muted);
	font-size: 9px;
	line-height: 1.15;
}

.vim-reading-nav-preview-footer:empty {
	display: none;
}

.vim-reading-nav-preview-action {
	display: inline-flex;
	align-items: baseline;
	flex-wrap: wrap;
	gap: 3px;
}


.vim-reading-nav-preview-action + .vim-reading-nav-preview-action::before {
	content: '·';
	margin-right: 4px;
}

.vim-reading-nav-preview-action kbd {
	padding: 0;
	border: 0;
	box-shadow: none;
	font-size: inherit;
	background: transparent;
}

.vim-reading-nav-preview-action .vim-reading-nav-preview-key-active {
	color: var(--text-accent);
	font-weight: var(--font-semibold);
}

.vim-reading-nav-preview-note {
	flex: 0 1 auto;
	font-size: 8px;
	line-height: 1.2;
	color: var(--text-muted);
}

/* Reading focus touches only mounted top-level renderer blocks in one pane. */
.markdown-preview-view {
	--vim-reading-nav-focus-opacity: 0.5;
}

.markdown-preview-view > .markdown-preview-sizer > .vim-reading-nav-focus-dim {
	opacity: var(--vim-reading-nav-focus-opacity);
}

.view-action.vim-reading-nav-focus-action[aria-pressed="true"] {
	color: var(--text-accent);
	background-color: var(--background-modifier-hover);
}

.view-action.vim-reading-nav-focus-action:focus-visible {
	outline: 2px solid var(--interactive-accent);
	outline-offset: 2px;
}

/* Heading hints use a distinct color from link hints. */
.vim-reading-nav-heading-hint {
	background-color: var(--color-orange);
}

/* Copy hints share one color. Code block hints sit on the right edge, where
   the native copy button is. */
.vim-reading-nav-code-hint,
.vim-reading-nav-inline-code-hint {
	background-color: var(--color-purple);
}

.vim-reading-nav-code-hint {
	transform: translate(-100%, -50%);
}

/* Inline code is often a character or two, so its hint is a badge on the
   span's top-left corner rather than a label over the code. Slightly smaller
   than other hints so it hides at most about 2% of even one-character code. */
.vim-reading-nav-inline-code-hint {
	padding: 0 4px;
	font-size: 10px;
	line-height: 1.3;
	transform: translate(-55%, -45%);
}

/* Briefly marks what was just copied. */
.markdown-rendered .vim-reading-nav-copied {
	outline: 1px solid var(--text-success);
	outline-offset: 1px;
}

/* A copied link keeps its focus ring and only turns green. */
.markdown-rendered .vim-reading-nav-link-focused.vim-reading-nav-copied {
	outline: 2px solid var(--text-success);
	outline-offset: 2px;
}

/* The board column that j/k scroll in a Bases kanban view. Inset, since the column clips its overflow. */
.bases-kanban-column.vim-reading-nav-board-column {
	box-shadow: inset 0 0 0 2px var(--interactive-accent);
}