:root {
	--bg-main: #f8fafc;
	--bg-card: #ffffff;
	--bg-card-hover: #ffffff;
	--bg-tag: #f1f5f9;
	--bg-tag-hover: #e2e8f0;
	--bg-icon: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
	--text-primary: #0f172a;
	--text-secondary: #475569;
	--text-muted: #64748b;
	--text-brand: #2563eb;
	--border-color: #e2e8f0;
	--border-card: #e2e8f0;
	--border-card-hover: #cbd5e1;
	--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.04);
	--shadow-card: 0 1px 3px 0 rgba(0, 0, 0, 0.05), 0 1px 2px -1px rgba(0, 0, 0, 0.03);
	--shadow-card-hover: 0 10px 20px -4px rgba(37, 99, 235, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.03);
	--radius-lg: 16px;
	--radius-md: 14px;
	--radius-sm: 8px;
	--radius-pill: 9999px;
}

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

body {
	font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
	line-height: 1.6;
	color: var(--text-primary);
	background-color: var(--bg-main);
	min-height: 100vh;
	padding: 24px 16px;
}

.container {
	max-width: 900px;
	margin: 0 auto;
	background: transparent;
	border-radius: 0;
	box-shadow: none;
	border: none;
	overflow: visible;
}

/* Header & Language Switcher Group */
.language-switcher {
	background: #ffffff;
	padding: 12px 24px;
	text-align: right;
	border: 1px solid var(--border-color);
	border-bottom: none;
	border-radius: var(--radius-lg) var(--radius-lg) 0 0;
	display: flex;
	justify-content: flex-end;
	align-items: center;
	gap: 10px;
}

.language-switcher a {
	color: var(--text-secondary);
	text-decoration: none;
	font-size: 0.875rem;
	font-weight: 500;
	padding: 5px 12px;
	border-radius: var(--radius-pill);
	border: 1px solid var(--border-color);
	background-color: #f8fafc;
	transition: all 0.2s ease;
}

.language-switcher a:hover {
	color: var(--text-brand);
	border-color: #bfdbfe;
	background-color: #eff6ff;
}

.language-switcher a.active {
	color: var(--text-brand);
	font-weight: 600;
	background-color: #eff6ff;
	border-color: #93c5fd;
}

/* Header */
.header {
	background: linear-gradient(135deg, #ffffff 0%, #f0fdf4 50%, #eff6ff 100%);
	padding: 36px 28px 28px 28px;
	text-align: center;
	border: 1px solid var(--border-color);
	border-radius: 0 0 var(--radius-lg) var(--radius-lg);
	box-shadow: var(--shadow-sm);
	margin-bottom: 28px;
}

.header-badge {
	display: inline-flex;
	align-items: center;
	gap: 6px;
	padding: 4px 12px;
	background: #eff6ff;
	color: var(--text-brand);
	border: 1px solid #dbeafe;
	border-radius: var(--radius-pill);
	font-size: 0.8rem;
	font-weight: 600;
	margin-bottom: 14px;
}

.header h1 {
	font-size: 2.25rem;
	font-weight: 800;
	letter-spacing: -0.025em;
	color: var(--text-primary);
	margin-bottom: 8px;
}

.header h1 span {
	background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
	-webkit-background-clip: text;
	-webkit-text-fill-color: transparent;
}

.header .subtitle {
	font-size: 1rem;
	color: var(--text-secondary);
	font-weight: 400;
	max-width: 600px;
	margin: 0 auto;
}

/* Main Content */
.content {
	padding: 0;
}

.section-header {
	margin-bottom: 20px;
	padding: 0 4px;
	display: flex;
	align-items: center;
	justify-content: space-between;
}

.section-title {
	font-size: 1.35rem;
	font-weight: 700;
	color: var(--text-primary);
	display: flex;
	align-items: center;
	gap: 10px;
}

.section-title::before {
	content: '';
	display: inline-block;
	width: 4px;
	height: 18px;
	background: var(--text-brand);
	border-radius: 2px;
}

.tools-count {
	font-size: 0.85rem;
	color: var(--text-muted);
	font-weight: 500;
}

/* Tools Grid */
.tools-grid {
	display: grid;
	grid-template-columns: 1fr;
	gap: 16px;
}

/* Tool Card */
.tool-card {
	background: var(--bg-card);
	border-radius: var(--radius-md);
	padding: 20px 22px;
	border: 1px solid var(--border-card);
	box-shadow: var(--shadow-card);
	transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
	display: flex;
	flex-direction: column;
	position: relative;
}

.tool-card:hover {
	transform: translateY(-2px);
	box-shadow: var(--shadow-card-hover);
	border-color: var(--border-card-hover);
}

/* Card Header: Icon + Title in 1 line */
.tool-card-header {
	display: flex;
	align-items: center;
	gap: 12px;
	margin-bottom: 12px;
}

.tool-icon {
	width: 40px;
	height: 40px;
	min-width: 40px;
	background: var(--bg-icon);
	border-radius: var(--radius-sm);
	display: flex;
	align-items: center;
	justify-content: center;
	font-size: 1.25rem;
	border: 1px solid #dbeafe;
}

.tool-title-link {
	text-decoration: none;
	color: var(--text-primary);
	font-weight: 600;
	font-size: 1.05rem;
	line-height: 1.4;
	transition: color 0.2s ease;
}

.tool-title-link:hover {
	color: var(--text-brand);
}

/* Card Tags Row */
.tool-tags {
	display: flex;
	flex-wrap: wrap;
	gap: 6px;
	margin-bottom: 10px;
}

.tag {
	background-color: var(--bg-tag);
	color: var(--text-secondary);
	font-size: 0.75rem;
	font-weight: 500;
	padding: 2px 9px;
	border-radius: var(--radius-pill);
	border: 1px solid var(--border-color);
	transition: background-color 0.2s ease;
}

.tag:hover {
	background-color: var(--bg-tag-hover);
}

.tag-accent {
	background-color: #eff6ff;
	color: #1d4ed8;
	border-color: #dbeafe;
}

/* Card Description */
.tool-description {
	font-size: 0.875rem;
	color: var(--text-secondary);
	line-height: 1.5;
	margin-bottom: 14px;
	flex-grow: 1;
}

/* Card Footer */
.tool-card-footer {
	margin-top: auto;
	padding-top: 12px;
	border-top: 1px solid #f1f5f9;
	display: flex;
	align-items: center;
	justify-content: flex-start;
	font-size: 0.8rem;
}

.open-link-btn {
	display: inline-flex;
	align-items: center;
	gap: 4px;
	color: var(--text-brand);
	font-weight: 600;
	text-decoration: none;
	font-size: 0.825rem;
	transition: gap 0.2s ease;
}

.tool-card:hover .open-link-btn {
	gap: 7px;
}

/* Global Footer */
.footer {
	text-align: center;
	padding: 20px 24px;
	color: var(--text-muted);
	font-size: 0.85rem;
	border: 1px solid var(--border-color);
	border-radius: var(--radius-lg);
	background: #ffffff;
	box-shadow: var(--shadow-sm);
	margin-top: 32px;
	display: flex;
	flex-direction: column;
	gap: 12px;
	align-items: center;
}

.footer-nav {
	display: flex;
	gap: 12px;
}

.footer a {
	color: var(--text-brand);
	text-decoration: none;
	font-weight: 500;
}

.footer a:hover {
	text-decoration: underline;
}

/* Responsive Media Queries */
@media (max-width: 768px) {
	body {
		padding: 12px 10px;
	}

	.header {
		padding: 28px 18px 22px 18px;
		margin-bottom: 20px;
	}

	.header h1 {
		font-size: 1.85rem;
	}

	.tools-grid {
		gap: 14px;
	}

	.tool-card {
		padding: 16px 18px;
		border-radius: 12px;
	}

	.language-switcher {
		padding: 10px 18px;
	}
}

@media (max-width: 480px) {
	.header h1 {
		font-size: 1.65rem;
	}

	.header .subtitle {
		font-size: 0.9rem;
	}

	.tool-card {
		padding: 14px 16px;
	}
}