/* ─────────────── Zen UI Tweaks ─────────────── */

/* Define shared design tokens for consistency and reuse */
:root {
	--zen-dark-bg: rgba(31, 31, 31, 1);
	/* Dark background used across UI */
	--zen-light-text: rgba(242, 239, 228, 1);
	/* Light foreground text color */
	--zen-highlight: rgba(31, 31, 31, 1);
	/* Highlight color (same as dark background) */
	--zen-accent: rgba(247, 111, 83, 1);
	/* Accent color for emphasis (e.g. borders) */
	--border-radius: 8px;
	/* Rounded corner radius for UI elements */
}

/* Override global Firefox variables for Zen theme */
* {
	--urlbarView-highlight-background: var(--zen-light-text) !important;
	--toolbar-field-focus-color: var(--zen-light-text) !important;
	--urlbarView-highlight-color: var(--zen-highlight) !important;
	--toolbar-field-color: var(--zen-light-text) !important;
	--zen-branding-bg-reverse: transparent !important;
}

/* Apply Zen UI styles only in normal browsing mode (not customizing, full-screen, etc.) */
:root[zen-compact-mode="true"]:not([customizing]):not([inDOMFullscreen="true"]):not([zen-single-toolbar="true"]) {

/* ─── URL Bar View Tweaks ─── */

/* Hide URL path from suggestion rows */
	span.urlbarView-url {
		display: none !important;
	}

/* Highlight row background and text color on hover */
	.urlbarView-row:hover {
		background-color: var(--zen-light-text) !important;
		color: var(--zen-dark-bg) !important;
	}

/* Remove separator and action labels like “- Search with Google” */
	span.urlbarView-action,
	span.urlbarView-title-separator {
		display: none !important;
	}

/* ─── Tab Strip and Sidebar Cleanups ─── */

/* Remove tab close buttons for a minimal tab strip */
	.tab-close-button {
		display: none !important;
	}

/* Hide the “Extension” label in the URL bar */
	box#identity-icon-box {
		display: none !important;
	}

/* ─── Navbar Styling and Layout ─── */

/* Prevent navbar from showing on side-hover by positioning and hiding it */
	#zen-appcontent-navbar-container {
		box-shadow: unset !important;
		background: transparent !important;
		border: unset !important;
		position: absolute !important;
		width: 45% !important;
		left: 50% !important;
		transform: translateX(-50%) !important;
		z-index: 10 !important;
	}

/* Shift navbar further out of view to fully hide it */
	#zen-appcontent-navbar-container {
		--zen-element-separation: -5px !important;
	}

/* Style the main navigation toolbar */
	toolbar#nav-bar {
		width: 100%;
		top: 1vh !important;
		background: var(--zen-dark-bg) !important;
		box-shadow: var(--zen-big-shadow) !important;
		border: 0 solid var(--zen-dark-bg) !important;
		border-radius: var(--border-radius) !important;
	}

/* Center the URL bar within the toolbar */
	#urlbar {
		left: 50% !important;
		transform: translateX(-50%) !important;
	}

/* Style placeholder text for both search bar and URL bar */
	.urlbar-input::placeholder,
	.searchbar-textbox::placeholder {
		color: var(--zen-light-text) !important;
	}

/* Collapse URL bar when download or extension buttons are shown */
	#urlbar-container {
		#nav-bar:is([downloadsbuttonshown], [unifiedextensionsbuttonshown]) & {
			width: 0 !important;
		}
	}

/* Remove transition and background for unfocused URL bar */
	#urlbar:not([breakout-extend="true"]) #urlbar-background {
		transition: unset !important;
		background: transparent !important;
	}

/* Set background when URL bar enters breakout (focused/expanded) state */
	#urlbar[breakout][breakout-extend] #urlbar-background {
		background: rgba(31, 31, 31, 0.9) !important;
	}

/* Center URL bar text */
	#urlbar-container {
		text-align: center;
	}

/* Set consistent text color in and outside breakout state */
	#urlbar,
	#urlbar[breakout][breakout-extend] {
		color: var(--zen-light-text) !important;
	}

/* ─── Sidebar and Titlebar Styling ─── */

/* Center the entire top toolbar horizontally */
	toolbox#navigator-toolbox {
		justify-content: center !important;
	}

/* Style the titlebar background and height */
	hbox#titlebar {
		height: 75% !important;
		background: var(--zen-dark-bg) !important;
		border: unset !important;
	}

/* Apply border radius to titlebar in compact Zen mode */
	:root[zen-compact-mode="true"]:not([customizing]):not([inDOMFullscreen="true"]) #navigator-toolbox:not([animate="true"]) #titlebar {
		border-radius: var(--border-radius) !important;
	}

/* Transparent background and rounded corners for sidebar tabs */
	vbox.tab-background {
		background: transparent !important;
		border-radius: var(--border-radius) !important;
	}

/* Highlight active or multi-selected tabs with Zen accent color */
	.tab-content {
		&:is([selected], [multiselected]) {
			border-left: 2px solid var(--zen-accent);
		}
	}

/* ─── Misc Buttons and Icons ─── */

/* Fine-tune menu button alignment */
	#PanelUI-menu-button {
		padding-inline-end: 0px !important;
		margin-left: -5px !important;
	}

/* Apply accent color to Zen menu button icon */
	.toolbarbutton-icon[label="Zen"] {
		fill: var(--zen-accent) !important;
	}

/* De-emphasize starred bookmark icon */
	#star-button[starred] {
		fill-opacity: 0.4 !important;
		fill: var(--toolbarbutton-icon-fill) !important;
	}

/* Hide UI elements to simplify the interface */
	#reader-mode-button,
	#translations-button,
	#identity-box,
	#identity-permission-box,
	#star-button-box,
	#picture-in-picture-button,
	#PersonalToolbar {
		display: none !important;
	}

/* Prevent collapse of customization panel */
	#customization-panel-container {
		width: 20% !important;
	}
}