:root {
	--bg-page: #0A0A0A;
	--bg-surface: #141414;
	--bg-surface-hover: #1A1A1A;
	--text-primary: #E4E4E7;
	--text-secondary: #A1A1AA;
	--text-tertiary: #52525B;
	--border-default: #27272A;
	--border-interactive: #3F3F46;
	--primary: #019875;
	--primary-hover: #02b48a;
	--accent: #10b981;
	--color-bg-page: #0a0a0a;
	
	/* Customizable settings */
	--h1-color: #019875;
	--h1-bg: transparent;
	--h2-color: #019875;
	--h2-bg: transparent;
	--h3-color: #019875;
	--h3-bg: transparent;
	--h4-color: #019875;
	--h4-bg: transparent;
	--h5-color: #019875;
	--h5-bg: transparent;
	--h6-color: #A1A1AA;
	--h6-bg: transparent;
	
	--code-inline-color: #3B82F6;
	--code-inline-bg: rgba(255, 255, 255, 0.05);
	--latex-inline-color: #E4E4E7;
	--latex-inline-bg: transparent;
	
	--quote-color: #A1A1AA;
	--quote-bg: rgba(1, 152, 117, 0.05);
	--quote-border: #019875;
	
	--latex-block-color: #1a1a2e;
	--latex-block-bg: #e3f2fd;
	--latex-block-border: #2196F3;
	
	--code-block-bg: #141414;
	--code-block-border: #019875;
	
	--spacing-horizontal: 0;
	--spacing-vertical: 1.7;
	--word-spacing: 0;
	--margins: 20px;
	--text-align: left;
	
	--font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
	--h1-size: 2em;
	--h2-size: 1.6em;
	--h3-size: 1.3em;
	--h4-size: 1.1em;
	--h5-size: 1em;
	--h6-size: 0.9em;
	--p-size: 16px;
	--quote-size: 16px;
	
	--hr-color: #00ff88;
	--hr-thickness: 2px;
	--hr-style: solid;
	
	--table-header-bg: #019875;
}

* {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
}

body {
	font-family: var(--font-family);
	background: var(--bg-page);
	color: var(--text-primary);
	height: 100vh;
	overflow: hidden;
	display: flex;
	flex-direction: column;
}
		
/* Top Menu Bar */
.top-menu {
	background: var(--bg-surface);
	border-bottom: 1px solid var(--border-default);
	display: flex;
	align-items: center;
	padding: 10px 20px;
	gap: 20px;
	flex-wrap: wrap;
}

.menu-title {
	font-weight: 600;
	font-size: 18px;
	background: linear-gradient(to right, var(--primary), var(--primary-hover));
	-webkit-background-clip: text;
	background-clip: text;
	color: transparent;
	margin-right: 20px;
}

.menu-item {
	color: var(--text-secondary);
	text-decoration: none;
	padding: 8px 15px;
	border-radius: 6px;
	transition: all 0.3s ease;
	cursor: pointer;
	font-size: 14px;
	display: flex;
	align-items: center;
	gap: 8px;
}

.menu-item.active {
	background: var(--bg-surface-hover);
	color: var(--primary);
}

/* Tab System */
.tabs-container {
	background: var(--bg-surface);
	border-bottom: 1px solid var(--border-default);
	display: flex;
	align-items: center;
	padding: 0 20px;
	gap: 5px;
	overflow-x: auto;
}

.tab {
	padding: 12px 20px;
	background: transparent;
	border: none;
	color: var(--text-secondary);
	cursor: pointer;
	border-bottom: 2px solid transparent;
	transition: all 0.3s ease;
	display: flex;
	align-items: center;
	gap: 8px;
	white-space: nowrap;
}

.tab:hover {
	color: var(--text-primary);
	background: var(--bg-surface-hover);
}

.tab.active {
	color: var(--primary);
	border-bottom-color: var(--primary);
}

.tab-close {
	margin-left: 8px;
	opacity: 0.6;
}

.tab-close:hover {
	opacity: 1;
}

.add-tab-btn {
	padding: 8px 12px;
	background: var(--bg-page);
	border: 1px solid var(--border-default);
	color: var(--text-secondary);
	cursor: pointer;
	border-radius: 6px;
	margin-left: 10px;
}

.add-tab-btn:hover {
	background: var(--bg-surface-hover);
	color: var(--text-primary);
}

/* Toolbar */
.toolbar {
	display: flex;
	gap: 8px;
	padding: 15px 20px;
	background: var(--bg-surface);
	border-bottom: 1px solid var(--border-default);
	flex-wrap: wrap;
	align-items: center;
}

.toolbar-group {
	display: flex;
	gap: 4px;
	align-items: center;
	padding-right: 12px;
	border-right: 1px solid var(--border-default);
}

.toolbar-group:last-child {
	border-right: none;
}

.toolbar-btn {
	background: var(--bg-page);
	color: var(--text-secondary);
	border: 1px solid var(--border-default);
	padding: 8px 12px;
	border-radius: 6px;
	cursor: pointer;
	font-size: 12px;
	transition: all 0.3s ease;
	min-width: 40px;
	height: 40px;
}

.menu-item:hover,
.menu-item:focus,
.toolbar-btn:hover,
.add-tab-btn:hover,
.add-tab-btn:focus {
	border-color: var(--accent);
	background: var(--color-bg-page);
	color: var(--accent);
	transform: translateY(-1px);
	box-shadow: 0 4px 12px rgba(16, 185, 129, 0.15);
}

/* Main Container with Sidebar */
.main-container {
	flex: 1;
	display: flex;
	overflow: hidden;
}

/* Navigation Sidebar */
.nav-sidebar {
	width: 250px;
	background: var(--bg-surface);
	border-right: 1px solid var(--border-default);
	display: flex;
	flex-direction: column;
	overflow: hidden;
	transition: all 0.3s ease;
}

.nav-sidebar.collapsed {
	width: 0;
	min-width: 0;
	border-right: none;
}

.nav-sidebar-header {
	padding: 13px;
	border-bottom: 1px solid var(--border-default);
	background: var(--bg-surface-hover);
	display: flex;
	justify-content: space-between;
	align-items: center;
}

.nav-sidebar-title {
	font-size: 14px;
	font-weight: 600;
	color: var(--primary);
	display: flex;
	align-items: center;
	gap: 8px;
}

.nav-toggle-btn {
	background: none;
	border: none;
	color: var(--text-secondary);
	cursor: pointer;
	padding: 4px;
	border-radius: 4px;
	transition: all 0.3s ease;
}

.nav-toggle-btn:hover {
	background: var(--bg-surface);
	color: var(--primary);
}

.nav-sidebar.collapsed .nav-sidebar-header,
.nav-sidebar.collapsed .nav-sidebar-content {
	display: none;
}

/* Toggle button when sidebar is collapsed */
.nav-toggle-external {
	position: absolute;
	left: 0;
	top: 50%;
	transform: translateY(-50%);
	background: var(--bg-surface);
	border: 1px solid var(--border-default);
	border-left: none;
	border-radius: 0 6px 6px 0;
	padding: 12px 6px;
	cursor: pointer;
	color: var(--text-secondary);
	transition: all 0.3s ease;
	z-index: 10;
	display: none;
}

.main-container:has(.nav-sidebar.collapsed) .nav-toggle-external {
	display: block;
}

.nav-toggle-external:hover {
	background: var(--bg-surface-hover);
	color: var(--primary);
}

.nav-sidebar-content {
	flex: 1;
	overflow-y: auto;
	padding: 10px;
}

.nav-heading {
	padding: 8px 12px;
	margin: 4px 0;
	background: var(--bg-page);
	border: 1px solid var(--border-default);
	border-radius: 4px;
	color: var(--text-secondary);
	cursor: pointer;
	font-size: 13px;
	transition: all 0.3s ease;
	display: block;
	text-align: left;
	width: 100%;
}

.nav-heading:hover {
	background: var(--bg-surface-hover);
	color: var(--text-primary);
	border-color: var(--primary);
}

.nav-heading.level-1 { 
	font-weight: 600;
	font-size: 14px;
}
.nav-heading.level-2 { 
	padding-left: 20px;
	font-size: 13px;
}
.nav-heading.level-3 { 
	padding-left: 30px;
	font-size: 12px;
}
.nav-heading.level-4 { 
	padding-left: 40px;
	font-size: 12px;
}
.nav-heading.level-5 { 
	padding-left: 50px;
	font-size: 11px;
}
.nav-heading.level-6 { 
	padding-left: 60px;
	font-size: 11px;
}

.nav-empty {
	padding: 20px;
	text-align: center;
	color: var(--text-tertiary);
	font-size: 12px;
}

/* Editor Container */
.editor-container {
	flex: 1;
	display: grid;
	grid-template-columns: 1fr 1fr;
	overflow: hidden;
	position: relative;
}

.editor-panel, .preview-panel {
	display: flex;
	flex-direction: column;
	overflow: hidden;
}

.panel-header {
	background: var(--bg-surface);
	padding: 15px 20px;
	border-bottom: 1px solid var(--border-default);
	display: flex;
	justify-content: space-between;
	align-items: center;
}

.panel-title {
	font-weight: 600;
	color: var(--text-primary);
	font-size: 14px;
}

#markdownEditor {
	flex: 1;
	background: var(--bg-page);
	border: none;
	padding: var(--margins);
	color: var(--text-primary);
	font-family: 'Fira Code', 'Courier New', monospace;
	font-size: 14px;
	line-height: var(--spacing-vertical);
	letter-spacing: calc(var(--spacing-horizontal) * 1px);
	word-spacing: calc(var(--word-spacing) * 1px);
	resize: none;
	outline: none;
	overflow-y: auto;
	overflow-x: auto;
	white-space: pre-wrap;
	word-wrap: break-word;
	tab-size: 4;
}

#markdownPreview {
	flex: 1;
	padding: var(--margins);
	background: var(--bg-page);
	overflow-y: auto;
	overflow-x: auto;
	line-height: var(--spacing-vertical);
	letter-spacing: calc(var(--spacing-horizontal) * 1px);
	word-spacing: calc(var(--word-spacing) * 1px);
	text-align: var(--text-align);
	font-family: var(--font-family);
}

/* Preview Styles */
#markdownPreview h1,
#markdownPreview h2,
#markdownPreview h3,
#markdownPreview h4,
#markdownPreview h5,
#markdownPreview h6 {
	margin: 20px 0 10px 0;
	border-bottom: 1px solid var(--border-default);
	padding: 8px 12px;
	border-radius: 4px;
}

#markdownPreview h1 {
	font-size: var(--h1-size);
	color: var(--h1-color);
	background: var(--h1-bg);
}
#markdownPreview h2 {
	font-size: var(--h2-size);
	color: var(--h2-color);
	background: var(--h2-bg);
}
#markdownPreview h3 {
	font-size: var(--h3-size);
	color: var(--h3-color);
	background: var(--h3-bg);
}
#markdownPreview h4 {
	font-size: var(--h4-size);
	color: var(--h4-color);
	background: var(--h4-bg);
}
#markdownPreview h5 {
	font-size: var(--h5-size);
	color: var(--h5-color);
	background: var(--h5-bg);
}
#markdownPreview h6 {
	font-size: var(--h6-size);
	color: var(--h6-color);
	background: var(--h6-bg);
}

#markdownPreview p {
	margin: 10px 0;
	font-size: var(--p-size);
}

#markdownPreview code {
	background: var(--code-inline-bg);
	color: var(--code-inline-color);
	padding: 2px 6px;
	border-radius: 4px;
	font-family: 'Fira Code', monospace;
}

#markdownPreview pre {
	background: var(--code-block-bg);
	padding: 15px;
	border-radius: 8px;
	margin: 15px 0;
	border-left: 6px solid var(--code-block-border);
	overflow-x: auto;
	white-space: pre-wrap;
	word-wrap: break-word;
	word-break: break-word;
}

#markdownPreview pre code {
	background: none;
	padding: 0;
	color: inherit;
	white-space: pre-wrap;
	word-wrap: break-word;
}

#markdownPreview blockquote {
	border-left: 6px solid var(--quote-border);
	padding: 10px 15px;
	margin: 15px 0;
	color: var(--quote-color);
	background: var(--quote-bg);
	border-radius: 0 6px 6px 0;
	font-size: var(--quote-size);
}

/* LaTeX Block Styling - Estilo Moderno */
.latex-block-wrapper {
	position: relative;
	background: var(--latex-block-bg);
	border-left: 6px solid var(--latex-block-border);
	border-top: 2px solid var(--latex-block-border);
	border-bottom: 2px solid var(--latex-block-border);
	border-radius: 0 8px 8px 0;
	padding: 20px 20px 15px 20px;
	margin: 20px 0;
	overflow: hiden; !important
}

/* LaTeX blocks dentro de tabelas - estilo compacto */
#markdownPreview td .latex-block-wrapper,
#markdownPreview th .latex-block-wrapper {
	padding: 10px;
	margin: 5px 0;
	border-left-width: 4px;
	border-radius: 0 4px 4px 0;
	overflow: hidden !important;
	text-align: center;
	max-height: none !important;
}

#markdownPreview td .latex-block-label,
#markdownPreview th .latex-block-label {
	font-size: 10px;
	padding: 2px 6px;
	top: 4px;
	right: 6px;
}

.latex-block-label {
	position: absolute;
	top: 8px;
	right: 12px;
	background: linear-gradient(135deg, #9C27B0, #E91E63);
	color: white;
	padding: 4px 12px;
	border-radius: 4px;
	font-size: 11px;
	font-weight: 700;
	letter-spacing: 1px;
	box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.latex-block-wrapper .MathJax,
.latex-block-wrapper mjx-container {
	color: var(--latex-block-color) !important;
}

/* LaTeX Inline Styling */
#markdownPreview .MathJax {
	color: var(--latex-inline-color) !important;
	background: var(--latex-inline-bg) !important;
	padding: 2px 4px !important;
	border-radius: 3px !important;
}

#markdownPreview table {
	width: 100%;
	border-collapse: collapse;
	margin: 15px 0;
	table-layout: fixed;
}

#markdownPreview th,
#markdownPreview td {
	padding: 12px;
	border: 1px solid var(--border-default);
	text-align: left;
	word-wrap: break-word;
	word-break: break-word;
	white-space: normal;
	max-width: 300px;
	overflow: hidden; !important;
	vertical-align: top;
}

/* Garantir que conteúdo dentro de células respeite os limites */
#markdownPreview td > *,
#markdownPreview th > * {
	max-width: 100%;
	overflow-wrap: break-word;
}

/* Blocos LaTeX dentro de tabelas */
#markdownPreview td mjx-container,
#markdownPreview th mjx-container {
	max-width: 100% !important;
	transform-origin: center !important;
}

/* Código dentro de tabelas deve quebrar */
#markdownPreview td pre,
#markdownPreview th pre {
	white-space: pre-wrap;
	word-wrap: break-word;
	overflow-x: hidden;
	max-width: 100%;
}

#markdownPreview td code,
#markdownPreview th code {
	white-space: pre-wrap;
	word-wrap: break-word;
}

#markdownPreview th {
	background: var(--table-header-bg);
	color: white;
	font-weight: 600;
}

#markdownPreview ul,
#markdownPreview ol {
	margin: 10px 0 10px 20px;
}

#markdownPreview li {
	margin: 5px 0;
}

/* Custom HR Style */
#markdownPreview hr {
	border: none;
	height: var(--hr-thickness);
	background: linear-gradient(
		to right,
		transparent 0%,
		transparent 40%,
		var(--hr-color) 45%,
		var(--hr-color) 55%,
		transparent 60%,
		transparent 100%
	);
	margin: 30px 0;
	position: relative;
}

#markdownPreview hr::before {
	content: '';
	position: absolute;
	left: 0;
	right: 0;
	height: 100%;
	background: linear-gradient(
		to right,
		var(--hr-color) 0%,
		transparent 40%
	);
	opacity: 0.3;
}

#markdownPreview hr::after {
	content: '';
	position: absolute;
	left: 0;
	right: 0;
	height: 100%;
	background: linear-gradient(
		to left,
		var(--hr-color) 0%,
		transparent 40%
	);
	opacity: 0.3;
}

/* Settings Panel */
.settings-overlay {
	display: none;
	position: fixed;
	top: 0;
	left: 0;
	right: 0;
	bottom: 0;
	background: rgba(0, 0, 0, 0.8);
	z-index: 1000;
	align-items: center;
	justify-content: center;
}

.settings-overlay.active {
	display: flex;
}

.settings-panel {
	background: var(--bg-surface);
	border: 1px solid var(--border-default);
	border-radius: 12px;
	width: 90%;
	max-width: 900px;
	max-height: 90vh;
	overflow-y: auto;
	padding: 30px;
}

.settings-header {
	display: flex;
	justify-content: space-between;
	align-items: center;
	margin-bottom: 30px;
	padding-bottom: 20px;
	border-bottom: 1px solid var(--border-default);
}

.settings-title {
	font-size: 24px;
	font-weight: 700;
	background: linear-gradient(to right, var(--primary), var(--primary-hover));
	-webkit-background-clip: text;
	background-clip: text;
	color: transparent;
}

.close-settings {
	background: none;
	border: none;
	color: var(--text-secondary);
	cursor: pointer;
	font-size: 24px;
	padding: 8px;
}

.close-settings:hover {
	color: var(--text-primary);
}

.settings-section {
	margin-bottom: 30px;
}

.section-title {
	font-size: 18px;
	font-weight: 600;
	color: var(--primary);
	margin-bottom: 15px;
	padding-bottom: 10px;
	border-bottom: 1px solid var(--border-default);
}

.setting-row {
	display: grid;
	grid-template-columns: 200px 1fr;
	gap: 15px;
	margin-bottom: 15px;
	align-items: center;
}

.setting-label {
	color: var(--text-secondary);
	font-size: 14px;
}

.setting-input {
	background: var(--bg-page);
	border: 1px solid var(--border-default);
	padding: 8px 12px;
	border-radius: 6px;
	color: var(--text-primary);
	font-size: 14px;
}

.setting-input:focus {
	outline: none;
	border-color: var(--primary);
}

.color-input {
	width: 80px;
	height: 40px;
	border: 1px solid var(--border-default);
	border-radius: 6px;
	cursor: pointer;
}

.theme-buttons {
	display: flex;
	gap: 10px;
}

.theme-btn {
	padding: 10px 20px;
	background: var(--bg-page);
	border: 1px solid var(--border-default);
	color: var(--text-secondary);
	cursor: pointer;
	border-radius: 6px;
	transition: all 0.3s ease;
}

.theme-btn:hover {
	background: var(--bg-surface-hover);
	color: var(--text-primary);
}

.theme-btn.active {
	background: var(--primary);
	color: white;
	border-color: var(--primary);
}

/* Status Bar */
.status-bar {
	background: var(--bg-surface);
	padding: 12px 20px;
	border-top: 1px solid var(--border-default);
	display: flex;
	justify-content: space-between;
	align-items: center;
	font-size: 12px;
	color: var(--text-secondary);
}

.status-info {
	display: flex;
	gap: 20px;
}

/* Print Styles */
@media print {
	@page {
		size: A4;
		margin: 2cm;
	}

	body {
		background: white !important;
		color: black !important;
	}

	* {
		background: white !important;
		color: black !important;
	}

	.top-menu,
	.tabs-container,
	.toolbar,
	.status-bar,
	.editor-panel,
	.nav-sidebar,
	.settings-overlay {
		display: none !important;
	}

	.main-container {
		display: block;
	}

	.editor-container {
		display: block;
	}

	.preview-panel {
		width: 100%;
		overflow: visible;
	}

	#markdownPreview {
		overflow: visible;
		padding: 0;
	}

	.latex-block-wrapper {
		background: #f5f5f5 !important;
		page-break-inside: avoid;
		border: 1px solid #ccc !important;
	}

	.latex-block-label {
		color: #9C27B0 !important;
	}

	#markdownPreview {
		background: white !important;
	}

	.preview-panel {
		background: white !important;
	}

	#markdownPreview h1,
	#markdownPreview h2,
	#markdownPreview h3,
	#markdownPreview h4,
	#markdownPreview h5,
	#markdownPreview h6 {
		page-break-after: avoid;
		break-after: avoid;
	}

	#markdownPreview pre,
	#markdownPreview blockquote,
	#markdownPreview table {
		page-break-inside: avoid;
		break-inside: avoid;
	}
}

.menu-item.disabled {
	pointer-events: none;
	opacity: 0.5;
	cursor: not-allowed;
	background: var(--bg-page) !important;
	color: var(--text-tertiary) !important;
}

.menu-item.disabled:hover {
	background: var(--bg-page) !important;
	color: var(--text-tertiary) !important;
}

/* Light Theme */
body.light-theme {
	--bg-page: #FFFFFF;
	--bg-surface: #F5F5F5;
	--bg-surface-hover: #E5E5E5;
	--text-primary: #1A1A1A;
	--text-secondary: #666666;
	--text-tertiary: #999999;
	--border-default: #D1D5DB;
	--border-interactive: #9CA3AF;
	--latex-block-bg: #e3f2fd;
	--latex-block-color: #1a1a2e;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
	width: 10px;
	height: 10px;
}

::-webkit-scrollbar-track {
	background: var(--bg-surface);
}

::-webkit-scrollbar-thumb {
	background: var(--border-interactive);
	border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
	background: var(--primary);
}

@media (max-width: 968px) {
	.nav-sidebar {
		display: none;
	}
	
	.editor-container {
		grid-template-columns: 1fr;
	}
}