/* ============================================================================
   LaTeX Editor Toolbar Styles
   ============================================================================ */

:root {
	--toolbar-bg: #252526;
	--toolbar-border: #3e3e42;
	--toolbar-hover-bg: #2a2d2e;
	--toolbar-active-bg: #37373d;
	--toolbar-text: #cccccc;
	--toolbar-text-hover: #ffffff;
	--toolbar-icon-size: 20px;
	--toolbar-glow-color: rgba(78, 201, 176, 0.4);
	--toolbar-divider-color: #3e3e42;
	--toolbar-transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
	--toolbar-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
	--toolbar-shadow-hover: 0 4px 12px rgba(78, 201, 176, 0.3);
	--category-accent-color: rgba(138, 173, 244, 0.8);
	--category-hover-accent: rgba(138, 173, 244, 1);
	--dropdown-bg: #1f1f1f;
	--dropdown-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
}

/* Toolbar Container */
.latex-toolbar {
	background: var(--toolbar-bg);
	border-bottom: 1px solid var(--toolbar-border);
	padding: 0.5rem 0.75rem;
	position: sticky;
	top: 0;
	z-index: 1000;
	box-shadow: var(--toolbar-shadow);
	overflow: visible;
}

.latex-toolbar-container {
	display: flex;
	flex-wrap: wrap;
	gap: 0.5rem;
	align-items: start;
	justify-content: flex-start;
	max-width: 100%;
	padding: 0.25rem;
	box-sizing: border-box;
	overflow: visible;
}

/* Tool Group */
.latex-toolbar-group {
	display: flex;
	flex-wrap: wrap;
	gap: 0.25rem;
	align-items: center;
	padding: 0.25rem;
	border-radius: 6px;
	background: rgba(255, 255, 255, 0.02);
	border: 1px solid transparent;
	transition: var(--toolbar-transition);
	position: relative;
	min-height: 40px;
	overflow: visible;
}

.latex-toolbar-group:hover {
	background: rgba(255, 255, 255, 0.05);
	border-color: var(--toolbar-border);
}

/* Tool Divider */
.latex-toolbar-divider {
	display: none;
}

/* Category Dropdown */
.latex-toolbar-category {
	position: relative;
	display: inline-flex;
	flex-direction: column;
	align-items: center;
	padding: 0.25rem;
	border-radius: 8px;
	background: linear-gradient(135deg, rgba(255, 255, 255, 0.03) 0%, rgba(255, 255, 255, 0.01) 100%);
	border: 1px solid transparent;
	transition: var(--toolbar-transition);
	cursor: pointer;
	min-width: 60px;
	box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.latex-toolbar-category:hover {
	background: rgba(255, 255, 255, 0.08);
	border-color: var(--category-accent-color);
	transform: translateY(-2px);
	box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}

.latex-toolbar-category:hover .latex-toolbar-category-icon {
	color: var(--category-hover-accent);
	transform: scale(1.1);
}

.latex-toolbar-category:hover .latex-toolbar-category-label {
	color: var(--toolbar-text-hover);
}

.latex-toolbar-category-icon {
	font-size: 18px;
	font-weight: 600;
	margin-bottom: 0.125rem;
	color: var(--toolbar-text);
}

.latex-toolbar-category-label {
	font-size: 10px;
	font-weight: 500;
	color: var(--toolbar-text);
	text-transform: uppercase;
	letter-spacing: 0.5px;
	text-align: center;
	line-height: 1;
	opacity: 0.8;
}

.latex-toolbar-category-dropdown {
	position: absolute;
	top: calc(100% + 12px);
	left: 50%;
	transform: translateX(-50%) translateY(-8px) scale(0.95);
	background: var(--dropdown-bg);
	border: 1px solid var(--toolbar-border);
	border-radius: 12px;
	padding: 0.75rem;
	min-width: 220px;
	max-width: 320px;
	box-shadow: var(--dropdown-shadow);
	z-index: 50000;
	opacity: 0;
	visibility: hidden;
	transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
	pointer-events: none;
	backdrop-filter: blur(10px);
}

.latex-toolbar-category:hover .latex-toolbar-category-dropdown {
	opacity: 1;
	visibility: visible;
	pointer-events: auto;
	transform: translateX(-50%) translateY(0) scale(1);
}

.latex-toolbar-category-dropdown::before {
	content: '';
	position: absolute;
	bottom: 100%;
	left: 50%;
	transform: translateX(-50%);
	border: 8px solid transparent;
	border-bottom-color: var(--dropdown-bg);
	margin-bottom: -1px;
	filter: drop-shadow(0 -2px 4px rgba(0, 0, 0, 0.2));
}

.latex-toolbar-subcategory {
	margin-bottom: 1rem;
}

.latex-toolbar-subcategory:last-child {
	margin-bottom: 0;
}

.latex-toolbar-subcategory-title {
	font-size: 11px;
	font-weight: 600;
	color: var(--toolbar-text-hover);
	text-transform: uppercase;
	letter-spacing: 0.5px;
	margin-bottom: 0.5rem;
	padding-bottom: 0.25rem;
	border-bottom: 1px solid var(--toolbar-border);
	position: relative;
}

.latex-toolbar-subcategory-title::after {
	content: '';
	position: absolute;
	bottom: -1px;
	left: 0;
	width: 0;
	height: 1px;
	background: linear-gradient(90deg, var(--category-accent-color), var(--category-hover-accent));
	transition: width 0.3s ease;
}

.latex-toolbar-subcategory:hover .latex-toolbar-subcategory-title::after {
	width: 100%;
}

.latex-toolbar-subcategory-tools {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(32px, 1fr));
	gap: 0.25rem;
}

/* Tool Button */
.latex-toolbar-button {
	position: relative;
	background: transparent;
	border: none;
	border-radius: 4px;
	padding: 0.375rem;
	width: 32px;
	height: 32px;
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	cursor: pointer;
	color: var(--toolbar-text);
	font-size: 16px;
	font-weight: 500;
	transition: var(--toolbar-transition);
	user-select: none;
	outline: none;
	gap: 0.125rem;
}

.latex-toolbar-button:hover {
	background: var(--toolbar-hover-bg);
	color: var(--toolbar-text-hover);
	transform: scale(1.1);
	box-shadow: 0 0 12px var(--toolbar-glow-color);
}

.latex-toolbar-button:active,
.latex-toolbar-button.active {
	background: var(--toolbar-active-bg);
	color: #4ec9b0;
	transform: scale(0.95);
	box-shadow: 0 0 8px var(--toolbar-glow-color);
}

.latex-toolbar-button:focus-visible {
	outline: 2px solid #4ec9b0;
	outline-offset: 2px;
}

/* Icon */
.latex-toolbar-icon {
	display: flex;
	align-items: center;
	justify-content: center;
	width: 100%;
	height: 100%;
	line-height: 1;
	font-style: normal;
	font-size: 16px;
}

/* Tooltip */
.latex-toolbar-tooltip {
	position: fixed;
	bottom: auto;
	left: auto;
	transform: translateX(-50%) translateY(-4px);
	background: #1e1e1e;
	color: #e4e4e4;
	padding: 0.5rem 0.75rem;
	border-radius: 6px;
	font-size: 0.75rem;
	white-space: normal;
	word-wrap: break-word;
	max-width: 200px;
	opacity: 0;
	visibility: hidden;
	pointer-events: none;
	transition: opacity 0.2s ease, visibility 0.2s ease;
	z-index: 50000;
	box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
	border: 1px solid var(--toolbar-border);
	min-width: 120px;
	text-align: center;
	line-height: 1.4;
}

.latex-toolbar-tooltip::after {
	content: '';
	position: absolute;
	top: 100%;
	left: 50%;
	transform: translateX(-50%);
	border: 5px solid transparent;
	border-top-color: #1e1e1e;
}

/* Tooltip visibility is now controlled by JavaScript */

.tooltip-label {
	font-weight: 600;
	color: #ffffff;
	margin-bottom: 0.25rem;
}

.tooltip-latex {
	font-family: 'Courier New', monospace;
	color: #4ec9b0;
	margin-bottom: 0.25rem;
	font-size: 0.7rem;
}

.tooltip-shortcut {
	font-size: 0.65rem;
	color: #999;
	margin-top: 0.25rem;
	padding-top: 0.25rem;
	border-top: 1px solid var(--toolbar-border);
}

/* Category Button */
.latex-toolbar-category-button {
	position: relative;
}

.latex-toolbar-category-arrow {
	font-size: 0.6rem;
	margin-left: 0.125rem;
	opacity: 0.7;
	transition: var(--toolbar-transition);
}

.latex-toolbar-category-button.active .latex-toolbar-category-arrow {
	opacity: 1;
	transform: rotate(180deg);
}

/* Dropdown Menu */
.latex-toolbar-dropdown {
	position: fixed;
	background: #1e1e1e;
	border: 1px solid var(--toolbar-border);
	border-radius: 8px;
	box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(78, 201, 176, 0.1);
	padding: 0.5rem;
	max-width: 400px;
	min-width: 280px;
	max-height: 70vh;
	overflow-y: auto;
	overflow-x: hidden;
	z-index: 50000;
	opacity: 0;
	visibility: hidden;
	transform: translateY(-8px) scale(0.95);
	transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
	pointer-events: none;
	backdrop-filter: blur(8px);
}

.latex-toolbar-dropdown.active {
	opacity: 1;
	visibility: visible;
	transform: translateY(0) scale(1);
	pointer-events: auto;
}

/* Dropdown Category */
.latex-toolbar-dropdown-category {
	margin-bottom: 0.75rem;
}

.latex-toolbar-dropdown-category:last-child {
	margin-bottom: 0;
}

.latex-toolbar-dropdown-category-header {
	display: flex;
	align-items: center;
	gap: 0.5rem;
	padding: 0.5rem 0.75rem;
	margin-bottom: 0.5rem;
	border-bottom: 1px solid var(--toolbar-border);
	color: #4ec9b0;
	font-weight: 600;
	font-size: 0.8rem;
	text-transform: uppercase;
	letter-spacing: 0.5px;
}

.latex-toolbar-dropdown-category-icon {
	font-size: 1rem;
	display: flex;
	align-items: center;
	justify-content: center;
}

.latex-toolbar-dropdown-category-label {
	flex: 1;
}

/* Dropdown Tools Grid */
.latex-toolbar-dropdown-tools {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(36px, 1fr));
	gap: 0.375rem;
	padding: 0 0.25rem;
}

/* Dropdown Button */
.latex-toolbar-dropdown-button {
	position: relative;
	background: transparent;
	border: none;
	border-radius: 4px;
	padding: 0.5rem;
	width: 36px;
	height: 36px;
	display: flex;
	align-items: center;
	justify-content: center;
	cursor: pointer;
	color: var(--toolbar-text);
	font-size: 18px;
	transition: var(--toolbar-transition);
	user-select: none;
	outline: none;
}

.latex-toolbar-dropdown-button:hover {
	background: var(--toolbar-hover-bg);
	color: var(--toolbar-text-hover);
	transform: scale(1.1);
	box-shadow: 0 0 8px var(--toolbar-glow-color);
}

.latex-toolbar-dropdown-button:active {
	background: var(--toolbar-active-bg);
	color: #4ec9b0;
	transform: scale(0.95);
}

.latex-toolbar-dropdown-button:focus-visible {
	outline: 2px solid #4ec9b0;
	outline-offset: 2px;
}

.latex-toolbar-dropdown-icon {
	display: flex;
	align-items: center;
	justify-content: center;
	width: 100%;
	height: 100%;
	line-height: 1;
	font-style: normal;
	font-size: 18px;
}

/* Dropdown Tooltip - positioning handled by JavaScript */

/* Scrollbar Styling for Dropdown - Inherits global styles with enhancements */
.latex-toolbar-dropdown::-webkit-scrollbar {
	width: 10px;
}

.latex-toolbar-dropdown::-webkit-scrollbar-track {
	background: transparent;
	border-radius: 10px;
}

.latex-toolbar-dropdown::-webkit-scrollbar-thumb {
	background: rgba(78, 201, 176, 0.35);
	border-radius: 10px;
	border: 2px solid transparent;
	background-clip: padding-box;
	transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
	animation: scrollbarFadeIn 0.6s ease-out;
	animation-fill-mode: forwards;
}

.latex-toolbar-dropdown::-webkit-scrollbar-thumb:hover {
	background: rgba(78, 201, 176, 0.7);
	background-clip: padding-box;
	box-shadow: 0 0 12px rgba(78, 201, 176, 0.35);
}

.latex-toolbar-dropdown::-webkit-scrollbar-thumb:active {
	background: rgba(78, 201, 176, 0.8);
	background-clip: padding-box;
	box-shadow: 0 0 18px rgba(78, 201, 176, 0.45);
}

/* Responsive adjustments */
@media (max-width: 768px) {
	.latex-toolbar {
		padding: 0.375rem 0.5rem;
	}

	.latex-toolbar-container {
		flex-wrap: wrap;
		gap: 0.25rem;
		padding: 0.125rem;
	}

	.latex-toolbar-group {
		padding: 0.125rem;
		min-height: 32px;
	}

	.latex-toolbar-category {
		min-width: 50px;
		padding: 0.125rem;
	}

	.latex-toolbar-category-icon {
		font-size: 16px;
		margin-bottom: 0.0625rem;
	}

	.latex-toolbar-category-label {
		font-size: 9px;
	}

	.latex-toolbar-category-dropdown {
		min-width: 180px;
		max-width: 250px;
		padding: 0.375rem;
	}

	.latex-toolbar-subcategory-title {
		font-size: 10px;
		margin-bottom: 0.375rem;
	}

	.latex-toolbar-subcategory-tools {
		grid-template-columns: repeat(auto-fit, minmax(28px, 1fr));
		gap: 0.1875rem;
	}

	.latex-toolbar-button {
		width: 28px;
		height: 28px;
		padding: 0.25rem;
		font-size: 14px;
	}

	.latex-toolbar-icon {
		font-size: 14px;
	}

	.latex-toolbar-dropdown {
		max-width: calc(100vw - 2rem);
		max-height: 60vh;
	}

	.latex-toolbar-dropdown-tools {
		grid-template-columns: repeat(auto-fill, minmax(32px, 1fr));
		gap: 0.25rem;
	}

	.latex-toolbar-dropdown-button {
		width: 32px;
		height: 32px;
		padding: 0.375rem;
		font-size: 16px;
	}

	.latex-toolbar-dropdown-icon {
		font-size: 16px;
	}
}

/* Dark theme adjustments */
@media (prefers-color-scheme: dark) {
	:root {
		--toolbar-bg: #252526;
		--toolbar-border: #3e3e42;
		--toolbar-hover-bg: #2a2d2e;
		--toolbar-active-bg: #37373d;
	}
}

/* Light theme support (if needed) */
.latex-toolbar.light-theme {
	--toolbar-bg: #f3f3f3;
	--toolbar-border: #d4d4d4;
	--toolbar-hover-bg: #e8e8e8;
	--toolbar-active-bg: #d4d4d4;
	--toolbar-text: #333333;
	--toolbar-text-hover: #000000;
	--toolbar-glow-color: rgba(0, 122, 204, 0.3);
	--toolbar-divider-color: #d4d4d4;
}

/* LaTeX Equations button – slightly larger icon with subtle glow */
[data-tool-id="latex-equations"] .latex-toolbar-icon {
	font-size: 22px;
	text-shadow: 0 0 6px rgba(78, 201, 176, 0.35);
}

/* Animation for active state */
@keyframes toolbar-pulse {
	0% {
		box-shadow: 0 0 0 0 var(--toolbar-glow-color);
	}
	50% {
		box-shadow: 0 0 0 4px var(--toolbar-glow-color);
	}
	100% {
		box-shadow: 0 0 0 0 var(--toolbar-glow-color);
	}
}

.latex-toolbar-button.active {
	animation: toolbar-pulse 0.3s ease-out;
}

/* Accessibility improvements */
@media (prefers-reduced-motion: reduce) {
	.latex-toolbar-button,
	.latex-toolbar-tooltip {
		transition: none;
	}

	.latex-toolbar-button:hover {
		transform: none;
	}

	.latex-toolbar-button:active,
	.latex-toolbar-button.active {
		transform: none;
	}
}

/* High contrast mode support */
@media (prefers-contrast: high) {
	:root {
		--toolbar-border: #666666;
		--toolbar-hover-bg: #333333;
		--toolbar-active-bg: #444444;
	}

	.latex-toolbar-button {
		border: 1px solid transparent;
	}

	.latex-toolbar-button:hover {
		border-color: var(--toolbar-border);
	}
}