/* Core Variables and Themes */
:root[data-theme="light"] {
	--bg-app: #f8fafc;
	--bg-surface: #ffffff;
	--bg-sidebar: #f1f5f9;
	--text-primary: #0f172a;
	--text-secondary: #475569;
	--text-muted: #64748b;
	--border-color: #e2e8f0;
	--accent: #2563eb;
	--accent-hover: #1d4ed8;
	--accent-light: #eff6ff;
	--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
	--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
	--editor-bg: #f8fafc;
	--preview-bg: #ffffff;
	--code-bg: #f1f5f9;
	--quote-border: #cbd5e1;
}

:root[data-theme="dark"] {
	--bg-app: #1A1A1A;
	--bg-surface: #242424;
	--bg-sidebar: #1A1A1A;
	--text-primary: #F0F0F0;
	--text-secondary: #C0C0C0;
	--text-muted: #888888;
	--border-color: #3A3A3A;
	--accent: #004D61;
	--accent-hover: #006D8A;
	--accent-light: #822659;
	--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.6);
	--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -2px rgba(0, 0, 0, 0.4);
	--editor-bg: #242424;
	--preview-bg: #1A1A1A;
	--code-bg: #2A2A2A;
	--quote-border: #3E5641;
}

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

html,
body {
	height: 100vh;
	margin: 0;
	padding: 0;
	overflow: hidden;
}

body {
	font-family: 'Inter', sans-serif;
	background-color: var(--bg-app);
	color: var(--text-primary);
	display: flex;
	flex-direction: column;
	transition: background-color 0.3s ease, color 0.3s ease;
}

/* Top Navigation Bar */
.top-bar {
	height: 64px;
	background-color: var(--bg-surface);
	border-bottom: 1px solid var(--border-color);
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding: 0 24px;
	z-index: 10;
	box-shadow: var(--shadow-sm);
	transition: background-color 0.3s ease, border-color 0.3s ease;
}

.brand {
	display: flex;
	align-items: center;
	gap: 12px;
}

.brand-logo {
	width: 28px;
	height: 28px;
	color: var(--accent);
}

.brand h1 {
	font-size: 18px;
	font-weight: 600;
	letter-spacing: -0.025em;
}

.brand-link {
	display: flex;
	align-items: center;
	gap: 12px;
	text-decoration: none;
	color: inherit;
	transition: opacity 0.2s ease;
}

.brand-link:hover {
	opacity: 0.8;
}

.controls {
	display: flex;
	align-items: center;
	gap: 8px;
}

/* Menu Bar */
.menu-bar {
	display: flex;
	align-items: center;
	gap: 0;
}

.menu-item {
	position: relative;
}

.menu-trigger {
	background: none;
	border: none;
	color: var(--text-secondary);
	font-family: 'Inter', sans-serif;
	font-size: 15px;
	font-weight: 500;
	padding: 8px 14px;
	cursor: pointer;
	border-radius: 4px;
	transition: background-color 0.15s ease, color 0.15s ease;
}

.menu-trigger:hover,
.menu-item.open .menu-trigger {
	background-color: var(--accent-light);
	color: var(--text-primary);
}

.menu-dropdown {
	display: none;
	position: absolute;
	top: 100%;
	right: 0;
	min-width: 200px;
	background-color: var(--bg-surface);
	border: 1px solid var(--border-color);
	border-radius: 8px;
	box-shadow: var(--shadow-md);
	padding: 4px;
	z-index: 1000;
	animation: menuFadeIn 0.12s ease;
}

.menu-item.open .menu-dropdown {
	display: block;
}

@keyframes menuFadeIn {
	from { opacity: 0; transform: translateY(-4px); }
	to { opacity: 1; transform: translateY(0); }
}

.menu-option {
	display: flex;
	align-items: center;
	gap: 10px;
	width: 100%;
	padding: 8px 10px;
	border: none;
	background: none;
	color: var(--text-primary);
	font-family: 'Inter', sans-serif;
	font-size: 13px;
	font-weight: 400;
	cursor: pointer;
	border-radius: 6px;
	transition: background-color 0.1s ease;
	text-align: left;
}

.menu-option:hover {
	background-color: var(--accent-light);
}

.menu-option svg {
	width: 16px;
	height: 16px;
	flex-shrink: 0;
	opacity: 0.7;
}

.menu-check {
	margin-left: auto;
	font-size: 14px;
	color: var(--accent);
	font-weight: 600;
}

.menu-divider {
	height: 1px;
	background-color: var(--border-color);
	margin: 4px 8px;
}

.menu-sublabel {
	padding: 4px 10px 2px;
	font-size: 11px;
	font-weight: 600;
	color: var(--text-muted);
	text-transform: uppercase;
	letter-spacing: 0.5px;
}

.menu-option-danger {
	color: #ef4444 !important;
}

.menu-option-danger:hover {
	background-color: rgba(239, 68, 68, 0.1) !important;
	color: #ef4444 !important;
}

.user-badge {
	display: flex;
	align-items: center;
	gap: 8px;
	font-size: 13px;
	color: var(--text-secondary);
	background-color: var(--code-bg);
	padding: 6px 12px;
	border-radius: 9999px;
	border: 1px solid var(--border-color);
}

.user-badge-icon {
	width: 14px;
	height: 14px;
	color: var(--text-muted);
}

.btn {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	padding: 8px 16px;
	font-size: 14px;
	font-weight: 500;
	border-radius: 6px;
	border: 1px solid var(--border-color);
	background-color: var(--bg-surface);
	color: var(--text-primary);
	cursor: pointer;
	transition: all 0.2s ease;
}

.btn:hover {
	background-color: var(--code-bg);
	border-color: var(--text-muted);
}

.btn-primary {
	background-color: var(--accent);
	color: #ffffff;
	border-color: var(--accent);
}

.btn-primary:hover {
	background-color: var(--accent-hover);
	border-color: var(--accent-hover);
	color: #ffffff;
}

.btn svg {
	width: 16px;
	height: 16px;
}

.btn-icon {
	padding: 8px;
	gap: 0;
}

.btn-danger:hover {
	background-color: #fee2e2;
	border-color: #fca5a5;
	color: #dc2626;
}

:root[data-theme="dark"] .btn-danger:hover {
	background-color: #450a0a;
	border-color: #991b1b;
	color: #fca5a5;
}

/* Hidden File Input */
.hidden-input {
	display: none;
}

/* Layout Modes */
.workspace.layout-editor .preview-pane {
	display: none;
}

.workspace.layout-editor .editor-pane {
	flex: 1;
	border-right: none;
}

.workspace.layout-preview .editor-pane {
	display: none;
}

.workspace.layout-preview .preview-pane {
	flex: 1;
}

/* Layout Mode Selector */
.layout-group {
	display: inline-flex;
	border: 1px solid var(--border-color);
	border-radius: 6px;
	overflow: hidden;
}

.layout-btn {
	padding: 6px 10px;
	background: var(--bg-surface);
	border: none;
	border-right: 1px solid var(--border-color);
	cursor: pointer;
	color: var(--text-muted);
	transition: all 0.15s ease;
	display: flex;
	align-items: center;
}

.layout-btn:last-child {
	border-right: none;
}

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

.layout-btn.active {
	background: var(--accent);
	color: #ffffff;
}

.layout-btn svg {
	width: 16px;
	height: 16px;
}

/* Editor drag-over styling */
.markdown-textarea.drag-over {
	outline: 2px dashed var(--accent);
	outline-offset: -4px;
	background-color: var(--accent-light);
}

/* Keyboard shortcut hint in pane header */
.shortcut-hint {
	font-size: 11px;
	font-weight: 400;
	text-transform: none;
	letter-spacing: normal;
	color: var(--text-muted);
	opacity: 0.7;
}

/* Tab Bar */
.tab-bar {
	height: 36px;
	min-height: 36px;
	background-color: var(--bg-sidebar);
	border-bottom: 1px solid var(--border-color);
	display: flex;
	align-items: stretch;
	padding: 0 4px;
	gap: 2px;
	overflow-x: auto;
	overflow-y: hidden;
	transition: background-color 0.3s ease, border-color 0.3s ease;
}

.tab-bar::-webkit-scrollbar {
	height: 2px;
}

.tab-bar::-webkit-scrollbar-thumb {
	background: var(--border-color);
	border-radius: 2px;
}

.tab {
	display: flex;
	align-items: center;
	gap: 6px;
	padding: 0 12px;
	font-size: 12px;
	font-weight: 500;
	color: var(--text-muted);
	cursor: pointer;
	border-bottom: 2px solid transparent;
	white-space: nowrap;
	transition: all 0.15s ease;
	user-select: none;
	min-width: 0;
	max-width: 180px;
	background: transparent;
	border-top: none;
	border-left: none;
	border-right: none;
}

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

.tab.active {
	color: var(--accent);
	border-bottom-color: var(--accent);
	background-color: var(--bg-surface);
	font-weight: 600;
}

.tab-name {
	overflow: hidden;
	text-overflow: ellipsis;
}

.tab-close {
	width: 14px;
	height: 14px;
	border-radius: 3px;
	border: none;
	background: transparent;
	color: var(--text-muted);
	cursor: pointer;
	padding: 0;
	display: flex;
	align-items: center;
	justify-content: center;
	opacity: 0;
	transition: opacity 0.1s ease, background 0.1s ease;
	flex-shrink: 0;
}

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

.tab-close:hover {
	background: rgba(239, 68, 68, 0.15);
	color: #ef4444;
}

.tab-close svg {
	width: 10px;
	height: 10px;
}

.tab-add {
	display: flex;
	align-items: center;
	justify-content: center;
	width: 28px;
	min-width: 28px;
	border: none;
	background: transparent;
	color: var(--text-muted);
	cursor: pointer;
	border-radius: 4px;
	transition: all 0.15s ease;
	margin: 4px 2px;
}

.tab-add:hover {
	background: var(--code-bg);
	color: var(--accent);
}

.tab-add svg {
	width: 14px;
	height: 14px;
}

.tab-rename-input {
	font-size: 12px;
	font-family: 'Inter', sans-serif;
	padding: 0 4px;
	border: 1px solid var(--accent);
	border-radius: 3px;
	background: var(--bg-surface);
	color: var(--text-primary);
	outline: none;
	width: 100px;
	height: 20px;
}

/* Main Workspace Layout */
.workspace {
	display: flex;
	flex: 1;
	height: calc(100vh - 64px - 36px);
	overflow: hidden;
}

.pane {
	flex: 1;
	display: flex;
	flex-direction: column;
	height: 100%;
	overflow: hidden;
}

.pane-header {
	height: 40px;
	background-color: var(--bg-surface);
	border-bottom: 1px solid var(--border-color);
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding: 0 24px;
	font-size: 12px;
	font-weight: 600;
	text-transform: uppercase;
	letter-spacing: 0.05em;
	color: var(--text-muted);
	transition: background-color 0.3s ease, border-color 0.3s ease;
}

.editor-pane {
	border-right: 1px solid var(--border-color);
	background-color: var(--editor-bg);
	transition: border-color 0.3s ease, background-color 0.3s ease;
}

/* Editor Toolbar */
.editor-toolbar {
	display: flex;
	align-items: center;
	padding: 6px 12px;
	background-color: var(--bg-surface);
	border-bottom: 1px solid var(--border-color);
	gap: 4px;
	overflow-x: auto;
	transition: background-color 0.3s ease, border-color 0.3s ease;
}

.toolbar-btn {
	background: transparent;
	border: 1px solid transparent;
	border-radius: 4px;
	color: var(--text-muted);
	padding: 6px;
	cursor: pointer;
	display: flex;
	align-items: center;
	justify-content: center;
	transition: all 0.2s ease;
}

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

.toolbar-btn svg {
	width: 16px;
	height: 16px;
}

.toolbar-btn-text {
	font-family: 'Inter', sans-serif;
	font-size: 13px;
	font-weight: 700;
	min-width: 28px;
	letter-spacing: -0.5px;
}

.toolbar-divider {
	width: 1px;
	height: 16px;
	background-color: var(--border-color);
	margin: 0 4px;
}

.preview-pane {
	background-color: var(--preview-bg);
	transition: background-color 0.3s ease;
}

/* WYSIWYG Visual Editor Pane */
.wysiwyg-pane {
	flex: 1;
	display: flex;
	flex-direction: column;
	height: 100%;
	overflow: hidden;
	background-color: var(--preview-bg);
	transition: background-color 0.3s ease;
}

.wysiwyg-container {
	flex: 1;
	overflow-y: auto;
	padding: 40px;
	box-sizing: border-box;
}

.wysiwyg-body {
	max-width: 800px;
	margin: 0 auto;
}

.wysiwyg-block {
	position: relative;
	border-radius: 4px;
	border-left: 2px solid transparent;
	margin: 0 -6px;
	padding: 2px 6px;
	cursor: pointer;
	transition: border-color 0.2s ease, background-color 0.2s ease;
}

.wysiwyg-block:hover {
	border-left-color: var(--accent);
	background-color: rgba(37, 99, 235, 0.03);
}

:root[data-theme="dark"] .wysiwyg-block:hover {
	background-color: rgba(59, 130, 246, 0.06);
}

.wysiwyg-block.editing {
	border-left-color: var(--accent);
	background-color: var(--bg-surface);
	cursor: default;
	padding: 0 6px;
	box-shadow: var(--shadow-sm);
}

.wysiwyg-block.editing textarea {
	display: block;
	width: 100%;
	border: none;
	outline: none;
	resize: none;
	font-family: 'Fira Code', 'Courier New', Courier, monospace;
	font-size: 14px;
	line-height: 1.6;
	padding: 8px 6px;
	background-color: transparent;
	color: var(--text-primary);
	overflow: hidden;
	box-sizing: border-box;
	border-radius: 4px;
}

.wysiwyg-placeholder {
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	min-height: 300px;
	color: var(--text-muted);
	cursor: pointer;
	border: 2px dashed var(--border-color);
	border-radius: 12px;
	padding: 48px;
	transition: border-color 0.2s ease, background-color 0.2s ease;
	text-align: center;
}

.wysiwyg-placeholder:hover {
	border-color: var(--accent);
	background-color: var(--accent-light);
}

.wysiwyg-placeholder p {
	margin: 0;
	font-size: 15px;
	font-weight: 500;
}

/* Drag-over styling for WYSIWYG container */
.wysiwyg-container.drag-over {
	outline: 2px dashed var(--accent);
	outline-offset: -4px;
	background-color: var(--accent-light);
}

/* Toolbar Picker Popovers */
.toolbar-picker {
	position: absolute;
	z-index: 1000;
	background-color: var(--bg-surface);
	border: 1px solid var(--border-color);
	border-radius: 8px;
	box-shadow: var(--shadow-md);
	padding: 12px;
	min-width: 180px;
	animation: pickerFadeIn 0.15s ease;
}

@keyframes pickerFadeIn {
	from { opacity: 0; transform: translateY(-4px); }
	to { opacity: 1; transform: translateY(0); }
}

/* Table Grid Picker */
.table-grid {
	display: grid;
	grid-template-columns: repeat(6, 24px);
	gap: 2px;
	margin-bottom: 8px;
}

.table-grid-cell {
	width: 24px;
	height: 24px;
	border: 1px solid var(--border-color);
	border-radius: 3px;
	cursor: pointer;
	transition: background-color 0.1s ease, border-color 0.1s ease;
}

.table-grid-cell.highlight {
	background-color: var(--accent);
	border-color: var(--accent);
	opacity: 0.7;
}

.table-grid-cell.highlight-full {
	background-color: var(--accent);
	border-color: var(--accent);
	opacity: 1;
}

.table-grid-label {
	text-align: center;
	font-size: 12px;
	color: var(--text-muted);
	font-weight: 500;
	margin-top: 4px;
}

/* Callout Picker */
.callout-picker-list {
	display: flex;
	flex-direction: column;
	gap: 2px;
	max-height: 300px;
	overflow-y: auto;
}

.callout-picker-item {
	display: flex;
	align-items: center;
	gap: 10px;
	padding: 8px 10px;
	border-radius: 6px;
	cursor: pointer;
	transition: background-color 0.1s ease;
	font-size: 13px;
	font-weight: 500;
	color: var(--text-primary);
}

.callout-picker-item:hover {
	background-color: var(--accent-light);
}

.callout-picker-dot {
	width: 10px;
	height: 10px;
	border-radius: 50%;
	flex-shrink: 0;
}

/* Editor Styles */
.editor-container {
	flex: 1;
	position: relative;
	display: flex;
}

.markdown-textarea {
	flex: 1;
	width: 100%;
	height: 100%;
	border: none;
	resize: none;
	outline: none;
	padding: 24px;
	font-family: 'Fira Code', 'Courier New', Courier, monospace;
	font-size: 14px;
	line-height: 1.6;
	background-color: transparent;
	color: var(--text-primary);
	overflow-y: auto;
	transition: color 0.3s ease;
}

/* Preview Styles & Markdown Rendering System */
.preview-container {
	flex: 1;
	overflow-y: auto;
	padding: 40px;
	box-sizing: border-box;
}

.markdown-body {
	max-width: 800px;
	margin: 0 auto;
	line-height: 1.7;
	font-size: 16px;
	word-wrap: break-word;
}

.markdown-body h1,
.markdown-body h2,
.markdown-body h3,
.markdown-body h4 {
	margin-top: 1.5em;
	margin-bottom: 0.5em;
	font-weight: 600;
	line-height: 1.25;
	color: var(--text-primary);
}

.markdown-body h1 {
	font-size: 2.25em;
	border-bottom: 1px solid var(--border-color);
	padding-bottom: 0.3em;
	margin-top: 0;
}

.markdown-body h2 {
	font-size: 1.5em;
	border-bottom: 1px solid var(--border-color);
	padding-bottom: 0.3em;
}

.markdown-body h3 {
	font-size: 1.25em;
}

.markdown-body h4 {
	font-size: 1em;
}

.markdown-body p {
	margin-top: 0;
	margin-bottom: 16px;
	color: var(--text-secondary);
}

.markdown-body ul,
.markdown-body ol {
	margin-top: 0;
	margin-bottom: 16px;
	padding-left: 2em;
	color: var(--text-secondary);
}

.markdown-body li {
	margin-top: 0.25em;
}

.markdown-body code {
	font-family: 'Fira Code', monospace;
	font-size: 85%;
	background-color: var(--code-bg);
	padding: 0.2em 0.4em;
	border-radius: 4px;
	transition: background-color 0.3s ease;
}

.markdown-body pre {
	margin-top: 0;
	margin-bottom: 16px;
	padding: 16px;
	overflow: auto;
	font-size: 85%;
	line-height: 1.45;
	background-color: var(--code-bg);
	border-radius: 6px;
	border: 1px solid var(--border-color);
	transition: background-color 0.3s ease, border-color 0.3s ease;
}

.markdown-body pre code {
	background-color: transparent;
	padding: 0;
	font-size: 100%;
	word-break: normal;
	white-space: pre;
}

.markdown-body a {
	color: var(--accent);
	text-decoration: underline;
}

.markdown-body a:visited {
	color: #7c3aed;
}

:root[data-theme="dark"] .markdown-body a:visited {
	color: #b8508a;
}

/* Task list checkbox styling (GFM) */
.markdown-body input[type="checkbox"] {
	margin: 0 0.35em 0.25em -1.4em;
	vertical-align: middle;
	width: 16px;
	height: 16px;
	accent-color: var(--accent);
	cursor: default;
}

.markdown-body .contains-task-list {
	list-style-type: none;
	padding-left: 1.5em;
}

/* Highlight.js code block background override */
.markdown-body pre code.hljs {
	background-color: transparent;
	padding: 0;
}

.markdown-body blockquote {
	padding: 0 1em;
	color: var(--text-muted);
	border-left: 0.25em solid var(--quote-border);
	margin: 0 0 16px 0;
}

.markdown-body table {
	border-spacing: 0;
	border-collapse: collapse;
	margin-top: 0;
	margin-bottom: 16px;
	width: 100%;
	overflow: auto;
	table-layout: fixed;
}

.markdown-body table th,
.markdown-body table td {
	word-break: break-word;
	overflow-wrap: break-word;
}

.markdown-body table th,
.markdown-body table td {
	padding: 8px 13px;
	border: 1px solid var(--border-color);
}

.markdown-body table th {
	font-weight: 600;
	background-color: var(--code-bg);
}

.markdown-body table tr {
	background-color: var(--preview-bg);
	border-top: 1px solid var(--border-color);
}

.markdown-body table tr:nth-child(2n) {
	background-color: var(--code-bg);
}

.markdown-body hr {
	height: 2px;
	padding: 0;
	margin: 24px 0;
	background-color: var(--border-color);
	border: 0;
}

/* Mermaid Diagram Layouts */
.mermaid-container {
	display: flex;
	justify-content: center;
	background-color: var(--code-bg);
	padding: 20px;
	border-radius: 6px;
	border: 1px solid var(--border-color);
	margin-bottom: 16px;
	overflow-x: auto;
	transition: background-color 0.3s ease, border-color 0.3s ease;
}

.mermaid-error-box {
	background-color: rgba(239, 68, 68, 0.1);
	border: 1px solid rgba(239, 68, 68, 0.2);
	color: #ef4444;
	padding: 12px 16px;
	border-radius: 6px;
	font-size: 14px;
	font-family: 'Fira Code', monospace;
	width: 100%;
	box-sizing: border-box;
}

/* Admonition / Callout Styles */
.callout {
	padding: 0;
	margin: 0 0 16px 0;
	border-radius: 6px;
	border: 1px solid var(--border-color);
	overflow: hidden;
	background-color: var(--bg-surface);
}

.callout-header {
	display: flex;
	align-items: center;
	gap: 8px;
	padding: 10px 16px;
	font-weight: 600;
	font-size: 14px;
	border-bottom: 1px solid transparent;
}

.callout-header svg {
	width: 18px;
	height: 18px;
	flex-shrink: 0;
}

.callout-body {
	padding: 12px 16px;
	font-size: 14px;
	line-height: 1.6;
	color: var(--text-secondary);
}

.callout-body p:last-child {
	margin-bottom: 0;
}

/* Foldable callout toggle indicator */
.callout details summary {
	cursor: pointer;
	list-style: none;
}

.callout details summary::-webkit-details-marker {
	display: none;
}

.callout .callout-fold {
	margin-left: auto;
	transition: transform 0.2s ease;
}

.callout details[open] .callout-fold {
	transform: rotate(90deg);
}

/* Callout Colour Themes */
.callout-note {
	border-left: 4px solid #448aff;
}

.callout-note .callout-header {
	background-color: rgba(68, 138, 255, 0.1);
	color: #448aff;
}

.callout-abstract {
	border-left: 4px solid #00bcd4;
}

.callout-abstract .callout-header {
	background-color: rgba(0, 188, 212, 0.1);
	color: #00bcd4;
}

.callout-info {
	border-left: 4px solid #2196f3;
}

.callout-info .callout-header {
	background-color: rgba(33, 150, 243, 0.1);
	color: #2196f3;
}

.callout-todo {
	border-left: 4px solid #2196f3;
}

.callout-todo .callout-header {
	background-color: rgba(33, 150, 243, 0.1);
	color: #2196f3;
}

.callout-tip {
	border-left: 4px solid #00bfa5;
}

.callout-tip .callout-header {
	background-color: rgba(0, 191, 165, 0.1);
	color: #00bfa5;
}

.callout-success {
	border-left: 4px solid #4caf50;
}

.callout-success .callout-header {
	background-color: rgba(76, 175, 80, 0.1);
	color: #4caf50;
}

.callout-question {
	border-left: 4px solid #ff9800;
}

.callout-question .callout-header {
	background-color: rgba(255, 152, 0, 0.1);
	color: #ff9800;
}

.callout-warning {
	border-left: 4px solid #ff9100;
}

.callout-warning .callout-header {
	background-color: rgba(255, 145, 0, 0.1);
	color: #ff9100;
}

.callout-failure {
	border-left: 4px solid #f44336;
}

.callout-failure .callout-header {
	background-color: rgba(244, 67, 54, 0.1);
	color: #f44336;
}

.callout-danger {
	border-left: 4px solid #ff1744;
}

.callout-danger .callout-header {
	background-color: rgba(255, 23, 68, 0.1);
	color: #ff1744;
}

.callout-bug {
	border-left: 4px solid #f44336;
}

.callout-bug .callout-header {
	background-color: rgba(244, 67, 54, 0.1);
	color: #f44336;
}

.callout-example {
	border-left: 4px solid #7c4dff;
}

.callout-example .callout-header {
	background-color: rgba(124, 77, 255, 0.1);
	color: #7c4dff;
}

.callout-quote {
	border-left: 4px solid #9e9e9e;
}

.callout-quote .callout-header {
	background-color: rgba(158, 158, 158, 0.1);
	color: #9e9e9e;
}

/* ========== Find & Replace Bar ========== */
.find-bar {
	display: none;
	position: fixed;
	top: 48px;
	right: 24px;
	z-index: 2000;
	background: var(--bg-secondary);
	border: 1px solid var(--border-color);
	border-radius: 8px;
	box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
	padding: 8px 10px;
	min-width: 380px;
	font-family: 'Inter', sans-serif;
	transition: background-color 0.3s ease, border-color 0.3s ease;
}

.find-bar.active {
	display: block;
}

.find-bar-row {
	display: flex;
	align-items: center;
	gap: 4px;
}

.find-replace-row {
	margin-top: 6px;
}

.find-input {
	flex: 1;
	background: var(--bg-primary);
	border: 1px solid var(--border-color);
	border-radius: 4px;
	color: var(--text-primary);
	font-family: 'Inter', sans-serif;
	font-size: 13px;
	padding: 5px 8px;
	outline: none;
	transition: border-color 0.2s ease;
}

.find-input:focus {
	border-color: var(--accent);
}

.find-count {
	font-size: 11px;
	color: var(--text-muted);
	white-space: nowrap;
	min-width: 42px;
	text-align: center;
	padding: 0 4px;
}

.find-btn {
	display: flex;
	align-items: center;
	justify-content: center;
	background: none;
	border: 1px solid transparent;
	border-radius: 4px;
	color: var(--text-secondary);
	cursor: pointer;
	padding: 4px;
	min-width: 26px;
	min-height: 26px;
	transition: background-color 0.15s ease, color 0.15s ease;
}

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

.find-btn svg {
	width: 14px;
	height: 14px;
}

.find-btn-toggle {
	font-size: 12px;
	font-weight: 600;
	font-family: 'Inter', sans-serif;
}

.find-btn-toggle.active {
	background-color: var(--accent);
	color: #ffffff;
	border-color: var(--accent);
}

.find-btn-action {
	font-size: 11px;
	font-weight: 600;
	font-family: 'Inter', sans-serif;
	padding: 4px 8px;
	border: 1px solid var(--border-color);
}

.find-btn-action:hover {
	background-color: var(--accent);
	color: #ffffff;
	border-color: var(--accent);
}

/* Print Styling (High Fidelity PDF Export) */
@media print {
	@page {
		margin: 15mm;
	}

	html,
	body,
	.workspace,
	.pane,
	.preview-pane,
	.preview-container,
	.wysiwyg-pane,
	.wysiwyg-container,
	.wysiwyg-body,
	.markdown-body {
		display: block !important;
		position: static !important;
		height: auto !important;
		overflow: visible !important;
		flex: none !important;
		float: none !important;
		width: 100% !important;
		margin: 0 !important;
		padding: 0 !important;
		box-sizing: border-box !important;
		background: #ffffff !important;
	}

	.top-bar,
	.tab-bar,
	.pane-header,
	.editor-pane,
	.editor-toolbar,
	.wysiwyg-pane,
	.wysiwyg-placeholder,
	.toolbar-picker,
	.find-bar {
		display: none !important;
	}

	.wysiwyg-block {
		border: none !important;
		margin: 0 !important;
		padding: 0 !important;
		cursor: default !important;
	}

	.markdown-body {
		max-width: 100%;
		font-size: 12pt;
		line-height: 1.5;
	}

	.markdown-body h1 {
		page-break-before: always;
		break-before: page;
	}

	.markdown-body > h1:first-child {
		page-break-before: auto;
		break-before: auto;
	}

	.markdown-body hr {
		page-break-after: always;
		break-after: page;
		border: none;
		margin: 0;
		padding: 0;
		visibility: hidden;
	}

	.markdown-body h1,
	.markdown-body h2,
	.markdown-body h3,
	.markdown-body h4 {
		page-break-after: avoid;
		break-after: avoid;
		color: #000000 !important;
	}

	.markdown-body p,
	.markdown-body li,
	.markdown-body blockquote {
		color: #333333 !important;
	}

	.markdown-body pre,
	.mermaid-container {
		page-break-inside: avoid;
		break-inside: avoid;
	}

	.markdown-body pre {
		background-color: #f5f5f5 !important;
		border: 1px solid #cccccc !important;
		white-space: pre-wrap !important;
		word-wrap: break-word !important;
		overflow-wrap: break-word !important;
		overflow: hidden !important;
	}

	.markdown-body pre code {
		white-space: pre-wrap !important;
		word-break: break-word !important;
	}

	.mermaid-container {
		background-color: #ffffff !important;
		border: 1px solid #cccccc !important;
	}

	.markdown-body table {
		width: 100% !important;
		table-layout: fixed !important;
		font-size: 9pt !important;
		word-break: break-word !important;
		overflow-wrap: break-word !important;
	}

	.markdown-body table th,
	.markdown-body table td {
		word-break: break-word !important;
		overflow-wrap: break-word !important;
		padding: 6px 8px !important;
		border: 1px solid #cccccc !important;
	}

	.markdown-body table th {
		background-color: #eaeaea !important;
		color: #000000 !important;
	}

	.markdown-body table td {
		color: #333333 !important;
		background-color: #ffffff !important;
	}

	.markdown-body table tr:nth-child(2n) td {
		background-color: #f9f9f9 !important;
	}

	.callout {
		page-break-inside: avoid;
		break-inside: avoid;
		background-color: #ffffff !important;
		border-color: #cccccc !important;
	}

	/* Force highlight.js light theme for print */
	#hljs-dark {
		media: not all !important;
	}

	#hljs-light {
		media: all !important;
	}

	.markdown-body pre code.hljs {
		background-color: transparent !important;
		color: #24292e !important;
	}

	/* Task list checkboxes for print */
	.markdown-body input[type="checkbox"] {
		-webkit-appearance: auto !important;
		appearance: auto !important;
		width: 14px !important;
		height: 14px !important;
		margin: 0 0.35em 0.25em -1.4em !important;
		vertical-align: middle !important;
	}

	.markdown-body .contains-task-list {
		list-style-type: none !important;
		padding-left: 1.5em !important;
	}

	/* Blockquote print styling */
	.markdown-body blockquote {
		border-left: 4px solid #cccccc !important;
		padding: 0.5em 1em !important;
		margin: 0.5em 0 !important;
		color: #555555 !important;
		background-color: #f9f9f9 !important;
	}

	.callout-body {
		color: #333333 !important;
	}

	.callout-header {
		print-color-adjust: exact;
		-webkit-print-color-adjust: exact;
	}
}

/* Responsive Mobile Layout (Stack Panels Vertically) */
@media (max-width: 768px) {
	.workspace {
		flex-direction: column;
		height: calc(100vh - 64px);
	}

	.editor-pane {
		border-right: none;
		border-bottom: 1px solid var(--border-color);
	}
}

/* Help Modal Overlay */
.modal-overlay {
	display: none;
	position: fixed;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background-color: rgba(0, 0, 0, 0.5);
	z-index: 100;
	align-items: center;
	justify-content: center;
	padding: 24px;
}

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

.modal {
	background-color: var(--bg-surface);
	border: 1px solid var(--border-color);
	border-radius: 12px;
	box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
	max-width: 720px;
	width: 100%;
	max-height: 80vh;
	overflow-y: auto;
	padding: 0;
	transition: background-color 0.3s ease, border-color 0.3s ease;
}

.modal-header {
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding: 20px 24px;
	border-bottom: 1px solid var(--border-color);
	position: sticky;
	top: 0;
	background-color: var(--bg-surface);
	z-index: 1;
	border-radius: 12px 12px 0 0;
}

.modal-header h2 {
	font-size: 18px;
	font-weight: 600;
}

.modal-close {
	background: none;
	border: none;
	cursor: pointer;
	color: var(--text-muted);
	padding: 4px;
	border-radius: 4px;
	transition: color 0.2s ease;
}

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

.modal-close svg {
	width: 20px;
	height: 20px;
}

.modal-body {
	padding: 24px;
}

.modal-body h3 {
	font-size: 15px;
	font-weight: 600;
	margin-top: 20px;
	margin-bottom: 8px;
	color: var(--text-primary);
}

.modal-body h3:first-child {
	margin-top: 0;
}

.modal-body p {
	font-size: 14px;
	line-height: 1.6;
	color: var(--text-secondary);
	margin-bottom: 12px;
}

.help-table {
	width: 100%;
	border-collapse: collapse;
	font-size: 13px;
	margin-bottom: 16px;
}

.help-table th {
	text-align: left;
	padding: 8px 12px;
	background-color: var(--code-bg);
	border: 1px solid var(--border-color);
	font-weight: 600;
	color: var(--text-primary);
}

.help-table td {
	padding: 8px 12px;
	border: 1px solid var(--border-color);
	color: var(--text-secondary);
}

.help-table code {
	font-family: 'Fira Code', monospace;
	font-size: 12px;
	background-color: var(--code-bg);
	padding: 2px 6px;
	border-radius: 3px;
}

.help-divider {
	height: 1px;
	background-color: var(--border-color);
	margin: 20px 0;
}

/* Template Picker Cards */
.template-grid {
	display: grid;
	grid-template-columns: 1fr;
	gap: 12px;
}

.template-card {
	padding: 16px 20px;
	border: 1px solid var(--border-color);
	border-radius: 8px;
	cursor: pointer;
	transition: all 0.2s ease;
	background-color: var(--bg-surface);
}

.template-card:hover {
	border-color: var(--accent);
	background-color: var(--accent-light);
	box-shadow: var(--shadow-md);
}

.template-card h4 {
	font-size: 14px;
	font-weight: 600;
	margin-bottom: 4px;
	color: var(--text-primary);
}

.template-card p {
	font-size: 13px;
	color: var(--text-muted);
	margin: 0;
	line-height: 1.4;
}

/* Load Mode Modal (template new-tab/replace chooser) */
.load-mode-overlay {
	position: fixed;
	inset: 0;
	background-color: rgba(0, 0, 0, 0.4);
	z-index: 1000;
	display: none;
	align-items: center;
	justify-content: center;
}

.load-mode-overlay.active {
	display: flex;
}

.load-mode-box {
	background-color: var(--bg-surface);
	border: 1px solid var(--border-color);
	border-radius: 12px;
	padding: 28px 32px;
	max-width: 360px;
	width: 90%;
	box-shadow: var(--shadow-md);
	text-align: center;
}

.load-mode-box h3 {
	font-size: 16px;
	font-weight: 600;
	margin-bottom: 8px;
	color: var(--text-primary);
}

.load-mode-box p {
	font-size: 13px;
	color: var(--text-muted);
	margin-bottom: 20px;
	line-height: 1.5;
}

.load-mode-actions {
	display: flex;
	gap: 8px;
	justify-content: center;
	flex-wrap: wrap;
}

.load-mode-actions .btn {
	flex: 1;
	min-width: 0;
	justify-content: center;
}

/* Conversion Progress Overlay */
.convert-progress-overlay {
	position: fixed;
	inset: 0;
	background-color: rgba(0, 0, 0, 0.45);
	z-index: 1100;
	display: none;
	align-items: center;
	justify-content: center;
}

.convert-progress-overlay.active {
	display: flex;
}

.convert-progress-box {
	background-color: var(--bg-surface);
	border: 1px solid var(--border-color);
	border-radius: 16px;
	padding: 36px 48px;
	text-align: center;
	box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.3);
	min-width: 280px;
	animation: convertFadeIn 0.2s ease;
}

@keyframes convertFadeIn {
	from {
		opacity: 0;
		transform: scale(0.94) translateY(8px);
	}

	to {
		opacity: 1;
		transform: scale(1) translateY(0);
	}
}

.convert-spinner {
	width: 36px;
	height: 36px;
	border: 3px solid var(--border-color);
	border-top-color: var(--accent);
	border-radius: 50%;
	margin: 0 auto 16px;
	animation: convertSpin 0.75s linear infinite;
}

@keyframes convertSpin {
	to {
		transform: rotate(360deg);
	}
}

.convert-progress-label {
	font-size: 15px;
	font-weight: 600;
	color: var(--text-primary);
	margin-bottom: 6px;
}

.convert-progress-filename {
	font-size: 13px;
	color: var(--text-muted);
	font-family: 'Fira Code', monospace;
	word-break: break-all;
}

/* Custom Editor Context Menu */
.context-menu {
	display: none;
	position: fixed;
	z-index: 2000;
	min-width: 220px;
	background-color: var(--bg-surface);
	border: 1px solid var(--border-color);
	border-radius: 8px;
	box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12), 0 2px 8px rgba(0, 0, 0, 0.06);
	padding: 4px;
	font-family: 'Inter', sans-serif;
	font-size: 13px;
	user-select: none;
	animation: ctxFadeIn 0.12s ease;
}

@keyframes ctxFadeIn {
	from {
		opacity: 0;
		transform: scale(0.96);
	}

	to {
		opacity: 1;
		transform: scale(1);
	}
}

.context-menu.active {
	display: block;
}

.context-menu-item {
	display: flex;
	align-items: center;
	gap: 10px;
	padding: 6px 12px;
	cursor: pointer;
	color: var(--text-primary);
	border-radius: 4px;
	transition: background-color 0.1s ease, color 0.1s ease;
	position: relative;
	white-space: nowrap;
}

.context-menu-item:hover {
	background-color: var(--accent);
	color: #ffffff;
}

.context-menu-item svg {
	width: 15px;
	height: 15px;
	flex-shrink: 0;
}

.ctx-label {
	flex: 1;
}

.ctx-shortcut {
	font-size: 11px;
	color: var(--text-muted);
	padding-left: 24px;
	pointer-events: none;
}

.context-menu-item:hover .ctx-shortcut {
	color: rgba(255, 255, 255, 0.65);
}

.context-menu-separator {
	height: 1px;
	background-color: var(--border-color);
	margin: 4px 0;
}

.context-menu-submenu {
	position: relative;
}

.context-menu-submenu>.context-menu-item .ctx-arrow {
	margin-left: auto;
	font-size: 9px;
	line-height: 1;
	opacity: 0.6;
}

.context-menu-submenu:hover>.context-menu-item .ctx-arrow {
	opacity: 1;
}

.context-submenu {
	display: none;
	position: absolute;
	left: calc(100% + 2px);
	top: -4px;
	min-width: 200px;
	background-color: var(--bg-surface);
	border: 1px solid var(--border-color);
	border-radius: 8px;
	box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12), 0 2px 8px rgba(0, 0, 0, 0.06);
	padding: 4px;
	animation: ctxFadeIn 0.1s ease;
}

.context-submenu.flip-left {
	left: auto;
	right: calc(100% + 2px);
}

.context-menu-submenu:hover>.context-submenu {
	display: block;
}

:root[data-theme="dark"] .context-menu,
:root[data-theme="dark"] .context-submenu {
	box-shadow: 0 8px 30px rgba(0, 0, 0, 0.45), 0 2px 8px rgba(0, 0, 0, 0.25);
}