:root {
	--primary: #6366f1;
	--primary-light: #818cf8;
	--secondary: #64748b;
	--success: #10b981;
	--background: #f8fafc;
	--card-bg: rgba(255, 255, 255, 0.85);
	--text: #1e293b;
	--text-light: #64748b;
	--border: #e2e8f0;
	--shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
	--glass: rgba(255, 255, 255, 0.25);
	--glass-border: rgba(255, 255, 255, 0.3);
	--spacing-xs: 0.5rem;
	--spacing-sm: 1rem;
	--spacing-md: 1.5rem;
	--spacing-lg: 2rem;
	--spacing-xl: 3rem;
	--radius-sm: 8px;
	--radius-md: 12px;
	--radius-lg: 16px;
	--transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
	font-family: system-ui, -apple-system, sans-serif;
	background: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%);
	color: var(--text);
	margin: 0;
	padding: 0;
	min-height: 100vh;
	line-height: 1.6;
}

.container {
	max-width: 1200px;
	margin: 0 auto;
	padding: var(--spacing-xl) var(--spacing-md);
}

.header {
	display: flex;
	justify-content: space-between;
	align-items: center;
	margin-bottom: var(--spacing-xl);
}

.logo {
	font-size: 1.5rem;
	font-weight: 600;
	color: var(--primary);
	display: flex;
	align-items: center;
	gap: var(--spacing-xs);
}

.logo-icon {
	width: 28px;
	height: 28px;
	background: var(--primary);
	border-radius: var(--radius-sm);
	display: flex;
	align-items: center;
	justify-content: center;
	color: white;
	font-weight: bold;
}

.app-title {
	font-size: 2rem;
	font-weight: 600;
	margin-bottom: var(--spacing-sm);
	color: var(--text);
	background: linear-gradient(to right, var(--primary), var(--primary-light));
	-webkit-background-clip: text;
	-webkit-text-fill-color: transparent;
}

.app-description {
	color: var(--text-light);
	margin-bottom: var(--spacing-xl);
	max-width: 600px;
}

.toolbar {
	display: flex;
	gap: var(--spacing-sm);
	margin-bottom: var(--spacing-lg);
	flex-wrap: wrap;
	align-items: center;
}

.btn {
	padding: 0.4rem 0.8rem;
	border: 1px solid var(--glass-border);
	border-radius: var(--radius-md);
	font-weight: 500;
	font-size: 0.8rem;
	transition: all 0.3s ease;
	cursor: pointer;
	display: inline-flex;
	align-items: center;
	gap: var(--spacing-xs);
	box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
	backdrop-filter: blur(10px);
	background-color: var(--glass);
	white-space: nowrap;
}

.btn:hover {
	transform: translateY(-3px);
	box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

.btn:active {
	transform: translateY(0);
}

.btn-primary {
	background: linear-gradient(135deg, var(--primary), var(--primary-light));
	color: white;
}

.btn-secondary {
	background: var(--card-bg);
	color: var(--text);
}

.btn-success {
	background: linear-gradient(135deg, var(--success), #34d399);
	color: white;
}

.btn:disabled {
	opacity: 0.6;
	cursor: not-allowed;
	transform: none !important;
}

.category-select {
	padding: 0.4rem 0.8rem;
	border: 1px solid var(--border);
	border-radius: var(--radius-md);
	background: rgba(255, 255, 255, 0.8);
	min-width: 120px;
	transition: all 0.3s ease;
	font-size: 0.8rem;
	backdrop-filter: blur(10px);
	box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.category-select:focus {
	outline: none;
	border-color: var(--primary);
	box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2), 0 2px 10px rgba(0, 0, 0, 0.1);
}

.search-bar {
	/* max-width: 200px;
	flex-grow: 1;
	margin-bottom: 0; */
}

.search-input {
	padding: 0.5rem 0.8rem !important;
	border: none;
	border-radius: var(--radius-md) !important;
	background: rgba(255, 255, 255, 0.8) !important;
	min-width: 120px !important;
	transition: all 0.3s ease !important;
	font-size: 0.8rem !important;
	backdrop-filter: blur(10px) !important;
	box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06) !important;
	text-indent: 0 !important;
}

.search-input:focus {
	outline: none;
	border-color: var(--primary);
	box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2), 0 2px 10px rgba(0, 0, 0, 0.1);
	transform: translateY(-2px);
}

.notes-grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
	gap: var(--spacing-md);
	margin-top: var(--spacing-lg);
}

.note-card {
	background: var(--card-bg);
	padding: var(--spacing-md);
	border-radius: var(--radius-md);
	box-shadow: var(--shadow);
	transition: var(--transition);
	border-left: 4px solid transparent;
	position: relative;
	cursor: pointer;
	backdrop-filter: blur(10px);
	border: 1px solid var(--glass-border);
	opacity: 0;
	transform: translateY(20px);
	animation: fadeIn 0.0s forwards;
}

@keyframes fadeIn {
	to {
		opacity: 1;
		transform: translateY(0);
	}
}

.note-card:hover {
	transform: translateY(-5px);
	box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.note-card.selected {
	border-left-color: var(--primary);
	background: rgba(99, 102, 241, 0.05);
}

.note-card.completed {
	background: rgba(16, 185, 129, 0.05);
}

.note-card.completed::after {
	content: "✓";
	position: absolute;
	right: var(--spacing-md);
	top: var(--spacing-md);
	color: var(--success);
	font-size: 1.5rem;
	font-weight: bold;
}

.note-card h3 {
	margin: 0 0 var(--spacing-xs);
	font-size: 1.1rem;
	font-weight: 600;
	color: var(--text);
}

.note-card pre {
	white-space: pre-wrap;
	font-family: inherit;
	margin: 0 0 var(--spacing-sm);
	line-height: 1.6;
	color: var(--text-light);
	font-size: 0.9rem;
	display: -webkit-box;
	-webkit-box-orient: vertical;
	-webkit-line-clamp: 3;
	overflow: hidden;
}

.note-card pre.expanded {
	-webkit-line-clamp: unset;
	overflow: visible;
}

.note-meta {
	display: flex;
	gap: var(--spacing-sm);
	font-size: 0.8rem;
	color: var(--text-light);
	align-items: center;
}

.category-tag {
	display: inline-flex;
	padding: 0.25rem 0.75rem;
	border-radius: 20px;
	background: rgba(99, 102, 241, 0.1);
	font-size: 0.75rem;
	align-items: center;
	color: var(--primary);
	font-weight: 500;
}

.modal {
	display: none;
	position: fixed;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background: rgba(0, 0, 0, 0.5);
	align-items: center;
	justify-content: center;
	backdrop-filter: blur(5px);
	z-index: 1000;
}

.modal-content {
	width: 90%;
	height: 90%;
	border-radius: var(--radius-lg);
	overflow: hidden;
	animation: modalSlide 0.4s cubic-bezier(0.16, 1, 0.3, 1);
	background: #fff;
	box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25), 0 10px 20px -5px rgba(0, 0, 0, 0.1);
	display: flex;
	flex-direction: column;
}

@keyframes modalSlide {
	from {
		transform: translateY(-30px);
		opacity: 0;
	}

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

.modal-header {
	padding: var(--spacing-md);
	background: #f8f9fa;
	color: var(--text);
	font-size: 1.3rem;
	font-weight: 600;
	display: flex;
	align-items: center;
	justify-content: space-between;
	border-bottom: 1px solid var(--border);
}

.modal-body {
	flex: 1;
	display: flex;
	overflow: hidden;
}

.modal-sidebar {
	width: 250px;
	border-right: 1px solid var(--border);
	padding: var(--spacing-md);
	overflow-y: auto;
}

.modal-editor {
	flex: 1;
	padding: var(--spacing-md);
	display: flex;
	flex-direction: column;
}

#noteTitle {
	margin-bottom: 0;
	border: none;
	font-size: 1.5rem;
	font-weight: 600;
	padding: 0;
	flex-shrink: 0;
}

#noteTitle:focus {
	transform: none;
	box-shadow: none;
}

#noteContent {
	border: none;
	margin-top: var(--spacing-sm);
	padding-top: var(--spacing-sm);
	border-top: 1px solid var(--border);
	flex-grow: 1;
	min-height: 0;
	resize: none;
}

.group-foldable {
	margin-bottom: var(--spacing-sm);
	display: flex;
	align-items: center;
	gap: var(--spacing-xs);
	position: relative;
}

.group-toggle {
	width: auto;
	justify-content: space-between;
}

.group-list {
	display: none;
	flex-direction: column;
	gap: var(--spacing-xs);
	margin-top: var(--spacing-xs);
}

.group-list.show {
	display: flex;
}

.group-item {
	padding: 0.4rem 0.8rem;
	border-radius: var(--radius-sm);
	cursor: pointer;
	transition: var(--transition);
	font-size: 0.9rem;
	display: flex;
	justify-content: space-between;
	align-items: center;
	position: relative;
	border: none;
	flex-wrap: wrap;
	/* 允许内容换行 */
	gap: var(--spacing-xs);
	/* 添加元素之间的间距 */
}

.group-item:hover {
	color: var(--primary);
}

.group-item.selected {
	color: var(--primary);
	background-color: rgba(99, 102, 241, 0.1);
	/* 分组按钮点击添加底色 */
}

.input-field {
	box-sizing: border-box;
	width: 100%;
	padding: 1rem 1.2rem;
	margin-bottom: var(--spacing-md);
	border: 1px solid var(--border);
	border-radius: var(--radius-md);
	font-size: 1rem;
	transition: all 0.3s ease;
	background: rgba(255, 255, 255, 0.8);
	line-height: 1.6;
}

.input-field:focus {
	border-color: var(--primary);
	box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2), 0 2px 10px rgba(0, 0, 0, 0.1);
	outline: none;
	transform: translateY(-2px);
}

textarea.input-field {
	min-height: 300px;
	resize: none;
	padding-top: 1rem;
	padding-bottom: 1rem;
	text-indent: 0;
	transition: height 0.15s ease, transform 0.3s ease;
	cursor: text;
}

select.input-field {
	-webkit-appearance: none;
	-moz-appearance: none;
	appearance: none;
	background-image: url("data:image/svg+xml;utf8,<svg fill='%2364748b' height='24' viewBox='0 0 24 24' width='24' xmlns='http://www.w3.org/2000/svg'><path d='M7 10l5 5 5-5z'/><path d='M0 0h24v24H0z' fill='none'/></svg>");
	background-repeat: no-repeat;
	background-position-x: 97%;
	background-position-y: 50%;
	padding-right: 2.5rem;
}

.stats-bar {
	display: flex;
	gap: var(--spacing-md);
	color: var(--text-light);
	font-size: 0.9rem;
}

.footer {
	text-align: center;
	margin-top: var(--spacing-xl);
	padding-top: var(--spacing-md);
	border-top: 1px solid var(--border);
	color: var(--text-light);
	font-size: 0.9rem;
}

.empty-state {
	text-align: center;
	padding: var(--spacing-xl) 0;
	color: var(--text-light);
	grid-column: 1 / -1;
}

.empty-icon {
	font-size: 3rem;
	margin-bottom: var(--spacing-md);
	opacity: 0.5;
}

@media (max-width: 768px) {
	.container {
		padding: var(--spacing-md);
	}

	.notes-grid {
		grid-template-columns: 1fr;
	}

	.toolbar,
	.category-toolbar {
		gap: var(--spacing-sm);
	}

	.btn {
		flex: 1 1 100%;
		justify-content: center;
	}

	.category-select {
		width: 100%;
	}

	.search-bar {
		/* order: 3;
		flex: 1 1 100%;
		max-width: 100%; */
	}

	.modal-body {
		flex-direction: column;
	}

	.modal-sidebar {
		width: 100%;
		border-right: none;
		border-bottom: 1px solid var(--border);
	}
}

.alert-modal {
	display: none;
	position: fixed;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background: rgba(0, 0, 0, 0.5);
	align-items: center;
	justify-content: center;
	backdrop-filter: blur(5px);
	z-index: 1001;
}

.alert-modal-content {
	width: min(90%, 300px);
	border-radius: var(--radius-lg);
	overflow: hidden;
	animation: modalSlide 0.4s cubic-bezier(0.16, 1, 0.3, 1);
	background: var(--card-bg);
	box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
	backdrop-filter: blur(16px);
	border: 1px solid var(--glass-border);
}

.alert-modal-header {
	padding: var(--spacing-md);
	background: linear-gradient(135deg, var(--primary), var(--primary-light));
	color: white;
	font-size: 1.1rem;
	font-weight: 600;
}

.alert-modal-body {
	padding: var(--spacing-md);
}

.alert-modal-actions {
	padding: var(--spacing-md);
	border-top: 1px solid var(--border);
	display: flex;
	gap: var(--spacing-sm);
	justify-content: center;
}

.btn-sm {
	padding: 0.4rem 0.8rem;
	border: 1px solid var(--glass-border);
	border-radius: var(--radius-md);
	font-weight: 500;
	font-size: 0.8rem;
	transition: all 0.3s ease;
	cursor: pointer;
	display: inline-flex;
	align-items: center;
	gap: var(--spacing-xs);
	box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
	backdrop-filter: blur(10px);
	background-color: var(--glass);
	white-space: nowrap;
}

.note-actions {
	margin-top: var(--spacing-sm);
	display: flex;
	gap: var(--spacing-xs);
	justify-content: flex-start;
	flex-wrap: wrap;
}

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

.fullscreen-modal {
	display: none;
	position: fixed;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background: rgba(0, 0, 0, 0.5);
	align-items: center;
	justify-content: center;
	backdrop-filter: blur(5px);
	z-index: 1002;
}

.fullscreen-modal-content {
	width: 90%;
	height: 90%;
	border-radius: var(--radius-lg);
	overflow-y: auto;
	background: var(--card-bg);
	box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
	backdrop-filter: blur(16px);
	border: 1px solid var(--glass-border);
	padding: var(--spacing-md);
}

.fullscreen-modal-header {
	display: flex;
	justify-content: space-between;
	align-items: center;
	margin-bottom: var(--spacing-md);
}

.fullscreen-modal-title {
	font-size: 1.5rem;
	font-weight: 600;
	color: var(--text);
}

.fullscreen-modal-close {
	font-size: 2rem;
	color: var(--text-light);
	cursor: pointer;
	transition: color 0.3s;
}

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

.fullscreen-modal-body {
	white-space: pre-wrap;
	font-family: inherit;
	line-height: 1.6;
	color: var(--text-light);
	font-size: 0.9rem;
}

.footer {
	position: relative;
	padding-bottom: 25px;
}

.live-datetime {
	margin-top: 12px;
	font-size: 0.9em;
	color: var(--text-light);
	opacity: 0.85;
	display: flex;
	justify-content: center;
	align-items: center;
	gap: 8px;
	flex-wrap: wrap;
	animation: fadeIn 0.6s ease-out;
}

.time-separator {
	opacity: 0.6;
	margin: 0 4px;
}

@keyframes fadeIn {
	from {
		opacity: 0;
		transform: translateY(5px);
	}

	to {
		opacity: 0.85;
		transform: translateY(0);
	}
}

@media (max-width: 768px) {
	.live-datetime {
		flex-direction: column;
		gap: 4px;
		font-size: 0.85em;
	}

	.time-separator {
		display: none;
	}
}

.group-submenu {
	display: none;
	flex-direction: column;
	gap: var(--spacing-xs);
	margin-left: 1rem;
}

.group-item:hover .group-submenu {
	display: flex;
}

.delete-icon {
	cursor: pointer;
	opacity: 0.5;
	transition: opacity 0.3s;
}

.delete-icon:hover {
	opacity: 1;
}

.group-actions {
	display: none;
	flex-direction: column;
	gap: var(--spacing-xs);
	position: absolute;
	right: 0;
	bottom: -calc(var(--spacing-sm) * 2 + 32px);
	background: var(--card-bg);
	border: 1px solid var(--glass-border);
	border-radius: var(--radius-sm);
	padding: var(--spacing-xs);
	z-index: 10;
	box-shadow: var(--shadow);
}

.group-input {
	padding: 0.2rem 0.4rem;
	font-size: 0.9rem;
	border: none;
	border-bottom: 2px solid transparent;
	background: transparent;
	outline: none;
	transition: border-bottom 0.3s;
	flex-grow: 1;
	/* 输入框占据剩余空间 */
}

.group-input:focus {
	border-bottom: 2px solid var(--primary);
}

#deleteGroupConfirmModal .modal-content {
	max-width: 80%;
	width: auto;
	display: inline-block;
	height: auto;
	background: var(--card-bg);
	box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
	border: 1px solid var(--glass-border);
	border-radius: var(--radius-lg);
}

#deleteGroupConfirmModal .modal-header {
	background: linear-gradient(135deg, var(--primary), var(--primary-light));
	color: white;
	font-size: 1.2rem;
	border-bottom: none;
	padding: var(--spacing-md) var(--spacing-lg);
}

#deleteGroupConfirmModal .modal-body {
	text-align: center;
	padding: var(--spacing-lg);
	font-size: 0.9rem;
	color: var(--text);
}

#deleteGroupConfirmModal .modal-actions {
	display: flex;
	justify-content: center;
	padding: var(--spacing-md);
	gap: var(--spacing-md);
	border-top: 1px solid var(--border);
}

.editable-input {
	padding: 0.2rem 0.4rem;
	font-size: 0.9rem;
	border: none;
	background: transparent;
	border-bottom: 2px solid var(--primary);
	outline: none;
}

#newGroupBtnInEditor {
	display: none;
}

.group-foldable:hover #newGroupBtnInEditor {
	display: inline-flex;
}

/* 调整保存按钮位置 */
#saveBtn {
	margin-left: var(--spacing-md);
}

/* 新增删除确认弹窗样式 */
#deleteNoteConfirmModal {
	display: none;
	position: fixed;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background: rgba(0, 0, 0, 0.5);
	align-items: center;
	justify-content: center;
	backdrop-filter: blur(5px);
	z-index: 1003;
}

#deleteNoteConfirmModal .modal-content {
	max-width: 80%;
	width: auto;
	display: inline-block;
	height: auto;
	background: var(--card-bg);
	box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
	border: 1px solid var(--glass-border);
	border-radius: var(--radius-lg);
}

#deleteNoteConfirmModal .modal-header {
	background: linear-gradient(135deg, var(--primary), var(--primary-light));
	color: white;
	font-size: 1.2rem;
	border-bottom: none;
	padding: var(--spacing-md) var(--spacing-lg);
}

#deleteNoteConfirmModal .modal-body {
	text-align: center;
	padding: var(--spacing-lg);
	font-size: 0.9rem;
	color: var(--text);
}

#deleteNoteConfirmModal .modal-actions {
	display: flex;
	justify-content: center;
	padding: var(--spacing-md);
	gap: var(--spacing-md);
	border-top: 1px solid var(--border);
}