.sidebar-toggle {
	position: fixed;
	top: 1rem;
	left: 1rem;
	width: 44px;
	height: 44px;
	border-radius: 12px;
	border: 1px solid rgba(37, 99, 235, 0.4);
	background: linear-gradient(135deg, #2563eb, #1e4eb7);
	backdrop-filter: blur(6px);
	color: var(--text);
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 5px;
	cursor: pointer;
	z-index: 60;
	transform: translateX(var(--sidebar-shift)) translateY(var(--sidebar-press));
	transition: transform 150ms ease, box-shadow 180ms ease, border-color 180ms ease, background 180ms ease;
}

.sidebar-toggle:hover {
	border-color: rgba(37, 99, 235, 0.4);
	box-shadow: 0 14px 34px rgba(37, 99, 235, 0.45);
}

.sidebar-toggle:active { --sidebar-press: 1px; }

.sidebar-icon {
	display: block;
	font-size: 1.2rem;
	font-weight: 700;
	line-height: 1;
	transform: translateX(1px);
	transition: transform 200ms ease;
}

.sidebar-icon::before {
	content: '>';
}

.sidebar-open .sidebar-icon {
	transform: translateX(-1px);
}

.sidebar-open .sidebar-icon::before {
	content: '<';
}

.sidebar-panel {
	position: fixed;
	top: 0;
	left: 0;
	height: 100vh;
	width: var(--sidebar-width);
	background: rgba(17, 24, 39, 0.96);
	backdrop-filter: blur(10px);
	box-shadow: 14px 0 40px rgba(0, 0, 0, 0.45);
	padding: 1.5rem 1.25rem;
	display: flex;
	flex-direction: column;
	gap: 1rem;
	transform: translateX(-100%);
	transition: transform 240ms ease;
	z-index: 50;
}

.sidebar-open .sidebar-panel { transform: translateX(0); }

.sidebar-backdrop {
	position: fixed;
	inset: 0;
	background: transparent;
	opacity: 0;
	pointer-events: none;
	transition: opacity 200ms ease;
	z-index: 45;
}

.sidebar-open .sidebar-backdrop {
	opacity: 1;
	pointer-events: auto;
}

.sidebar-open {
	--sidebar-shift: var(--sidebar-width);
}

.sidebar-header {
	font-weight: 700;
	letter-spacing: 0.03em;
	color: var(--text);
	margin-bottom: 0.5rem;
}

.sidebar-nav {
	list-style: none;
	display: flex;
	flex-direction: column;
	gap: 0.5rem;
}

.sidebar-nav a {
	display: block;
	padding: 0.65rem 0.75rem;
	border-radius: 10px;
	color: var(--text);
	text-decoration: none;
	font-weight: 600;
	transition: background 160ms ease, transform 140ms ease;
}

.sidebar-nav a:hover {
	background: rgba(255, 255, 255, 0.08);
	transform: translateX(4px);
}