#yen-dark-mode-toggle {
	position: fixed;
	bottom: 24px;
	right: 24px;
	z-index: 9999;
	width: 44px;
	height: 44px;
	border-radius: 50%;
	border: none;
	cursor: pointer;
	background: var(--theme-palette-color-1, #222);
	color: var(--theme-palette-color-8, #fff);
	box-shadow: 0 2px 8px rgba(0, 0, 0, 0.25);
	display: flex;
	align-items: center;
	justify-content: center;
	transition: background 0.2s, color 0.2s, transform 0.15s;
	padding: 0;
}

#yen-dark-mode-toggle:hover {
	transform: scale(1.1);
}

#yen-dark-mode-toggle .yen-icon-sun,
#yen-dark-mode-toggle .yen-icon-moon {
	width: 20px;
	height: 20px;
	display: none;
	pointer-events: none;
}

/* Light mode: show moon (click → go dark) */
#yen-dark-mode-toggle .yen-icon-moon {
	display: block;
}

/* Dark mode: show sun (click → go light) */
#yen-dark-mode-toggle.is-dark .yen-icon-moon {
	display: none;
}

#yen-dark-mode-toggle.is-dark .yen-icon-sun {
	display: block;
}