/* Main Layout Base */
:root {
	--sidebar-width: 320px;
	--sidebar-bg: var(--body-background-elevate-2);
	--sidebar-card-bg: var(--main-colors-background-b100);
	--editor-bg: var(--main-colors-background-b-200-slide-bg);
	--text-main: var(--main-colors-foreground-f300);
	--text-muted: var(--main-colors-foreground-f-500-main);
	--text-disabled: var(--main-colors-foreground-f800);
	--stroke-color: var(--console-stroke);
	--accent-gold: var(--alternative-foreground-gold);
}

html,
body {
	margin: 0;
	padding: 0;
	height: 100%;
	width: 100%;
	background-color: var(--editor-bg) !important;
	color: var(--text-main);
	font-family: var(--font-sans-family, system-ui, -apple-system, sans-serif);
	overflow: hidden;
}

.app-container {
	display: flex;
	width: 100vw;
	height: calc(100vh - var(--site-header-height, 40px));
	position: relative;
	overflow: hidden;
}

/* Left Sidebar specifics (Base layout inherits from definition.css) */
.sidebar-content {
	padding: 0px 24px 24px 24px;
	font-family: var(--font-sans-family, system-ui, -apple-system, sans-serif) !important;
	font-size: var(--font-sans-paragraph-size, 15px);
	line-height: var(--font-sans-paragraph-line, 24px);
	letter-spacing: var(--font-sans-paragraph-letter, 0px);
}

.sidebar-collapsed .main-wrapper {
	margin-left: 0;
}

/* Sidebar Header & Brand */
.brand-header {
	display: flex;
	align-items: center;
	gap: 12px;
	height: 72px;
	margin-bottom: 20px;
	border-bottom: 0.5px solid var(--stroke-color);
}

.eye-logo {
	width: 36px;
	height: 36px;
	flex-shrink: 0;
}

.brand-title {
	font-family: var(--font-sans-family, system-ui, -apple-system, sans-serif) !important;
	font-size: var(--font-sans-paragraph-size, 15px);
	line-height: var(--font-sans-paragraph-line, 24px);
	color: var(--text-main);
	text-decoration: none;
}

/* Sidebar Action Toolbar */
.sidebar-actions {
	display: flex;
	gap: 8px;
	margin-bottom: 16px;
}

.btn-sidebar-action {
	flex: 1;
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 6px;
	padding: 8px 12px;
	border-radius: 8px;
	border: 0.5px solid var(--stroke-color);
	background: var(--sidebar-card-bg);
	color: var(--text-main);
	font-family: var(--font-sans-family, system-ui, -apple-system, sans-serif) !important;
	font-size: var(--font-sans-paragraph-size, 15px);
	font-weight: 500;
	cursor: pointer;
	transition: all 0.2s ease;
}

.btn-sidebar-action *,
.folder-header *,
.note-item * {
	color: var(--text-main) !important;
	fill: var(--text-main) !important;
}

.btn-sidebar-action:hover {
	background: var(--transparent-foreground-main-color-20);
	border-color: var(--accent-gold);
}

/* Pre-defined btn-primary style */
.btn-primary {
	color: var(--fix-white---white-100) !important;
	display: flex;
	height: 44px;
	padding: 8px 16px;
	justify-content: center;
	align-items: center;
	gap: 6px;
	border-radius: 8px;
	border: 0.5px solid var(--transparent-foreground-main-color-40);
	background: var(--button-background);
	backdrop-filter: blur(50px);
	cursor: pointer;
	font-weight: 500;
	font-size: var(--font-sans-paragraph-size, 15px);
	font-family: var(--font-sans-family, system-ui, -apple-system, sans-serif) !important;
	transition: background 0.2s ease, opacity 0.2s ease;
	flex: 1;
	text-decoration: none;
}

.btn-primary:hover {
	background: var(--button-background-hover);
	opacity: 0.9;
}

.btn-primary * {
	color: var(--fix-white---white-100) !important;
	fill: var(--fix-white---white-100) !important;
}

/* Folder & Note Tree */
.folder-tree {
	display: flex;
	flex-direction: column;
	gap: 8px;
	flex: 1;
	font-family: var(--font-sans-family, system-ui, -apple-system, sans-serif) !important;
}

.folder-group {
	border-radius: 20px;
	background: var(--body-background-elevate-1);
	border: 0.5px solid var(--console-stroke);
	transition: border-color 0.2s ease, background 0.2s ease;
}

.folder-group.drag-over-folder {
	border-color: var(--accent-gold);
	background: var(--transparent-foreground-main-color-10);
}

.folder-header {
	display: flex;
	align-items: center;
	justify-content: space-between;
	cursor: pointer;
	user-select: none;
	transition: background 0.2s ease;
	padding: 12px;
	border-radius: 16px;
	margin: 4px;
}

.folder-header:hover {
	background: var(--sidebar-card-bg);
}

.folder-title-area {
	display: flex;
	align-items: center;
	gap: 8px;
	flex: 1;
	overflow: hidden;
}

.folder-svg-icon {
	width: 36px !important;
	height: 36px !important;
	min-width: 36px !important;
	flex-shrink: 0;
}

.folder-toggle-icon {
	width: 14px;
	height: 14px;
	transition: transform 0.2s ease;
	color: var(--text-muted);
}

.folder-group.collapsed .folder-toggle-icon {
	transform: rotate(-90deg);
}

.folder-name {
	white-space: nowrap;
	overflow: hidden;
	text-overflow: ellipsis;
	font-weight: 500;
	color: var(--text-main);
}

.note-count {
	font-size: 0.75rem;
	color: var(--text-muted);
	background: var(--transparent-foreground-main-color-05);
	padding: 2px 6px;
	border-radius: 10px;
}

.folder-actions {
	display: flex;
	align-items: center;
	gap: 4px;
	opacity: 0;
	transition: opacity 0.2s ease;
}

.folder-header:hover .folder-actions {
	opacity: 1;
}

.btn-icon {
	background: none;
	border: none;
	color: var(--text-muted);
	padding: 4px;
	border-radius: 4px;
	cursor: pointer;
	display: flex;
	align-items: center;
	justify-content: center;
}

.btn-icon:hover {
	color: var(--text-main);
	background: var(--transparent-foreground-main-color-10);
}

/* Notes list inside folder */
.folder-notes-list {
	display: flex;
	flex-direction: column;
	gap: 2px;
}

.folder-group.collapsed .folder-notes-list {
	display: none;
}

.note-item {
	padding: 12px;
	margin: 4px;
	border-radius: 12px;
	display: flex;
	align-items: center;
	justify-content: space-between;
	font-size: var(--font-sans-paragraph-size, 15px);
	line-height: var(--font-sans-paragraph-line, 24px);
	color: var(--text-muted);
	cursor: pointer;
	transition: all 0.2s ease;
	border: 0.5px solid transparent;
	position: relative;
}

.note-item:hover {
	background: var(--sidebar-card-bg);
	color: var(--text-main);
}

.note-item.active {
	background: var(--sidebar-card-bg);
	color: var(--accent-gold);
	font-weight: 500;
}

.note-title-text {
	white-space: nowrap;
	overflow: hidden;
	text-overflow: ellipsis;
	flex: 1;
	font-size: var(--font-sans-paragraph-size, 15px);
}

.btn-note-delete {
	opacity: 0;
	transition: opacity 0.2s ease;
}

.note-item:hover .btn-note-delete {
	opacity: 1;
}

/* Drag & Drop Visual Indicators */
.dragging {
	opacity: 0.4;
}

.drag-over-above {
	border-top: 2px solid var(--accent-gold) !important;
}

.drag-over-below {
	border-bottom: 2px solid var(--accent-gold) !important;
}

/* Main Content Editor Area */
.main-wrapper {
	flex: 1;
	margin-left: var(--sidebar-width);
	display: flex;
	flex-direction: column;
	height: 100vh;
	background: var(--editor-bg);
	transition: margin-left 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Header matching background color of the whole page */
.editor-header {
	display: flex;
	align-items: center;
	height: 72px;
	padding: 0px 10vw;
	background: var(--editor-bg) !important;
	border-bottom: 0.5px solid var(--stroke-color);
}

.note-title-input {
	background: transparent !important;
	border: none !important;
	color: var(--text-main) !important;
	outline: none !important;
	width: 100%;
	padding: 0 !important;
}

.editor-container {
	flex: 1;
	padding: 10vw;
	overflow-y: auto;
	box-sizing: border-box;
	display: flex;
	justify-content: center;
}

/* Editor Typography & Styling */
#inputText {
	background: transparent !important;
	color: var(--text-main) !important;
	width: 100%;
	min-height: 70vh;
	outline: none !important;
	box-shadow: none !important;
	word-break: break-word;
	white-space: pre-wrap;
}

#inputText,
#inputText p,
#inputText div,
#inputText span {
	font-family: var(--font-sans-family, system-ui, sans-serif) !important;
	font-size: var(--font-sans-xl-title-size, 40px) !important;
	line-height: var(--font-sans-xl-title-line, 48px) !important;
	letter-spacing: var(--font-sans-xl-title-letter, 0px) !important;
}

#inputText p,
#inputText div {
	margin: 0 !important;
	padding: 0 !important;
}

/* Custom Bold Formatting (Weight 600 & Yellow Color) */
#inputText b,
#inputText strong,
#inputText [style*="font-weight: bold"],
#inputText [style*="font-weight:bold"],
#inputText [style*="font-weight: 700"],
#inputText [style*="font-weight:700"],
#inputText [style*="font-weight: 600"],
#inputText [style*="font-weight:600"],
#inputText [style*="font-weight: 500"],
#inputText [style*="font-weight:500"] {
	font-weight: 600 !important;
	color: var(--highlight-yellow) !important;
}

/* Normal text override when unbolded */
#inputText [style*="font-weight: normal"],
#inputText [style*="font-weight:normal"],
#inputText [style*="font-weight: 400"],
#inputText [style*="font-weight:400"] {
	font-weight: 400 !important;
	color: var(--text-main) !important;
}

/* Custom Italic Formatting (Font Serif XL Title) */
#inputText i,
#inputText em,
#inputText [style*="italic"],
#inputText i *,
#inputText em *,
#inputText [style*="italic"] * {
	font-style: italic !important;
	color: var(--highlight-green) !important;
}

#inputText a {
	color: var(--highlight-blue) !important;
	text-decoration: underline !important;
	cursor: pointer;
	transition: opacity 0.15s ease, color 0.15s ease;
}

#inputText a:hover {
	opacity: 0.85;
}

/* Editor Placeholder */
#inputText:empty:before {
	content: attr(placeholder);
	color: var(--text-disabled);
	pointer-events: none;
	display: block;
	opacity: 0.4;
}

/* --- RICH CONTENT FORMATTING SUITE STYLES --- */

/* Editor Toolbar Container */
.editor-toolbar {
	display: flex;
	align-items: center;
	gap: 6px;
	padding: 6px 12px;
	background: var(--sidebar-card-bg);
	border: 0.5px solid var(--stroke-color);
	border-radius: 12px;
	backdrop-filter: blur(20px);
	overflow-x: auto;
	margin-left: 16px;
	flex-shrink: 0;
}

.toolbar-group {
	display: flex;
	align-items: center;
	gap: 4px;
	position: relative;
}

.toolbar-group:not(:last-child)::after {
	content: '';
	display: inline-block;
	width: 1px;
	height: 20px;
	background: var(--stroke-color);
	margin: 0 4px;
}

.btn-tb-format {
	background: transparent;
	border: none;
	color: var(--text-main);
	padding: 6px 10px;
	border-radius: 6px;
	font-size: 13px;
	font-weight: 500;
	font-family: inherit;
	cursor: pointer;
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 4px;
	transition: all 0.15s ease;
	white-space: nowrap;
}

.btn-tb-format:hover {
	background: var(--transparent-foreground-main-color-20);
	color: var(--accent-gold);
}

.btn-tb-format.active {
	background: var(--transparent-foreground-main-color-40);
	color: var(--accent-gold);
	border: 1px solid var(--accent-gold);
}

/* Rich Elements Typography inside #inputText */
#inputText h1 {
	font-size: 52px !important;
	line-height: 60px !important;
	font-weight: 700 !important;
	color: var(--text-main) !important;
	margin: 16px 0 8px 0 !important;
}

#inputText h2 {
	font-size: 42px !important;
	line-height: 50px !important;
	font-weight: 600 !important;
	color: var(--accent-gold) !important;
	margin: 14px 0 6px 0 !important;
}

#inputText h3 {
	font-size: 34px !important;
	line-height: 42px !important;
	font-weight: 600 !important;
	color: var(--highlight-green) !important;
	margin: 12px 0 4px 0 !important;
}

#inputText s,
#inputText del,
#inputText strike {
	text-decoration: line-through !important;
	opacity: 0.6;
	color: var(--text-disabled) !important;
}

#inputText mark {
	background: var(--alternative-background-yellow-quiz) !important;
	color: var(--highlight-yellow) !important;
	border-radius: 4px;
	padding: 2px 8px;
}

#inputText code {
	font-family: monospace, monospace !important;
	background: var(--transparent-foreground-main-color-10) !important;
	color: var(--highlight-green) !important;
	border-radius: 4px;
	padding: 2px 8px;
	font-size: 0.85em !important;
}

#inputText pre {
	font-family: monospace, monospace !important;
	background: var(--body-background-elevate-1) !important;
	border: 0.5px solid var(--stroke-color) !important;
	border-radius: 8px;
	padding: 16px !important;
	overflow-x: auto;
	margin: 12px 0 !important;
	color: var(--text-main) !important;
	font-size: 20px !important;
	line-height: 28px !important;
}

#inputText blockquote {
	border-left: 4px solid var(--accent-gold) !important;
	margin: 12px 0 !important;
	padding: 8px 16px !important;
	background: var(--transparent-foreground-main-color-05) !important;
	color: var(--text-main) !important;
	font-style: italic !important;
	border-radius: 0 8px 8px 0;
}

#inputText ul,
#inputText ol {
	padding-left: 32px !important;
	margin: 8px 0 !important;
}

#inputText li {
	margin-bottom: 4px !important;
	color: var(--text-main);
}

/* Task Checkbox List */
.task-item {
	display: flex;
	align-items: center;
	gap: 10px;
	margin: 6px 0;
	user-select: none;
	color: var(--text-main);
}

.task-checkbox {
	width: 22px;
	height: 22px;
	cursor: pointer;
	accent-color: var(--accent-gold);
}

.task-item.completed span {
	text-decoration: line-through;
	opacity: 0.5;
	color: var(--text-disabled);
}

/* Embedded Images */
#inputText img {
	max-width: 100%;
	height: auto;
	border-radius: 12px;
	margin: 12px 0;
	border: 0.5px solid var(--stroke-color);
	display: block;
}