* {
	box-sizing: border-box;
}

:root {
	--mb-primary: #1f2937;
	--mb-menu: #111827;
	--mb-header: #ffffff;
	--mb-button: #1f2937;
	--mb-accent: #6b7280;
	--mb-on-primary: #ffffff;
	--mb-bg: #f3f4f6;
	--mb-surface: #ffffff;
	--mb-border: #e5e7eb;
	--mb-text: #111827;
	--mb-muted: #6b7280;
	--mb-radius: 12px;
	--mb-shadow: 0 1px 2px rgba(0,0,0,.04), 0 8px 24px rgba(0,0,0,.04);
	--mb-sidebar-width: 250px;
	--mb-header-height: 64px;
}

html {
	background: var(--mb-bg);
}

body.mb-app {
	margin: 0;
	background: var(--mb-bg);
	color: var(--mb-text);
	font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
	line-height: 1.5;
}

a {
	color: inherit;
}

.mb-layout {
	min-height: 100vh;
	display: grid;
	grid-template-columns: var(--mb-sidebar-width) minmax(0, 1fr);
}

.mb-sidebar {
	position: sticky;
	top: 0;
	height: 100vh;
	display: flex;
	flex-direction: column;
	background: var(--mb-menu);
	color: #fff;
	z-index: 30;
}

.mb-sidebar__brand {
	min-height: var(--mb-header-height);
	display: flex;
	align-items: center;
	padding: 12px 18px;
	border-bottom: 1px solid rgba(255,255,255,.08);
}

.mb-brand {
	display: inline-flex;
	align-items: center;
	text-decoration: none;
	min-width: 0;
}

.mb-brand__logo {
	display: block;
	max-width: 180px;
	max-height: 38px;
	width: auto;
	height: auto;
	object-fit: contain;
}

.mb-brand__text {
	font-weight: 800;
	font-size: 22px;
	letter-spacing: -.03em;
}

.mb-nav {
	padding: 14px 10px;
	flex: 1;
	overflow-y: auto;
}

.mb-nav__list {
	margin: 0;
	padding: 0;
	list-style: none;
	display: grid;
	gap: 4px;
}

.mb-nav__link {
	display: flex;
	align-items: center;
	gap: 10px;
	padding: 10px 12px;
	border-radius: 8px;
	text-decoration: none;
	color: rgba(255,255,255,.88);
}

.mb-nav__link:hover,
.mb-nav__link:focus-visible {
	background: rgba(255,255,255,.08);
	color: #fff;
	outline: none;
}

.mb-nav__icon {
	width: 22px;
	text-align: center;
	opacity: .85;
}

.mb-sidebar__footer {
	padding: 12px 18px;
	border-top: 1px solid rgba(255,255,255,.08);
	color: rgba(255,255,255,.5);
	font-size: 12px;
}

.mb-main {
	min-width: 0;
	display: flex;
	flex-direction: column;
}

.mb-header {
	position: sticky;
	top: 0;
	z-index: 20;
	min-height: var(--mb-header-height);
	display: flex;
	align-items: center;
	gap: 16px;
	padding: 0 24px;
	background: var(--mb-header);
	border-bottom: 1px solid var(--mb-border);
}

.mb-header__title {
	font-size: 16px;
	font-weight: 700;
	flex: 1;
}

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

.mb-mobile-toggle {
	display: none;
	border: 0;
	background: transparent;
	font: inherit;
	font-size: 22px;
	cursor: pointer;
}

.mb-content {
	width: min(100%, 1440px);
	margin: 0 auto;
	padding: 28px;
	flex: 1;
}

.mb-footer {
	padding: 0 28px 28px;
	color: var(--mb-muted);
	font-size: 13px;
}

.mb-card {
	background: var(--mb-surface);
	border: 1px solid var(--mb-border);
	border-radius: var(--mb-radius);
	box-shadow: var(--mb-shadow);
	padding: 24px;
}

.mb-page-title {
	margin: 0 0 18px;
	font-size: clamp(24px, 2.4vw, 34px);
	line-height: 1.15;
	letter-spacing: -.03em;
}

.mb-entry__content > :first-child {
	margin-top: 0;
}

.mb-entry__content > :last-child {
	margin-bottom: 0;
}

.mb-button,
button.mb-button,
input[type="submit"].mb-button {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-height: 42px;
	padding: 0 16px;
	border: 0;
	border-radius: 8px;
	background: var(--mb-button);
	color: var(--mb-on-primary);
	text-decoration: none;
	font: inherit;
	font-weight: 700;
	cursor: pointer;
}

.mb-button:hover,
.mb-button:focus-visible {
	filter: brightness(.94);
}

.mb-empty-state {
	text-align: center;
	padding: 56px 24px;
}

.screen-reader-text {
	position: absolute !important;
	width: 1px !important;
	height: 1px !important;
	padding: 0 !important;
	margin: -1px !important;
	overflow: hidden !important;
	clip: rect(0, 0, 0, 0) !important;
	white-space: nowrap !important;
	border: 0 !important;
}

@media (max-width: 900px) {
	.mb-layout {
		display: block;
	}

	.mb-sidebar {
		position: fixed;
		left: 0;
		top: 0;
		width: min(86vw, var(--mb-sidebar-width));
		transform: translateX(-105%);
		transition: transform .2s ease;
		box-shadow: 8px 0 30px rgba(0,0,0,.18);
	}

	body.mb-menu-open .mb-sidebar {
		transform: translateX(0);
	}

	.mb-mobile-toggle {
		display: inline-flex;
		align-items: center;
		justify-content: center;
	}

	.mb-content {
		padding: 18px;
	}

	.mb-header {
		padding: 0 16px;
	}
}

@media (max-width: 560px) {
	.mb-card {
		padding: 18px;
		border-radius: 10px;
	}

	.mb-header__title {
		font-size: 14px;
	}

	.mb-content {
		padding: 14px;
	}
}