.sp-m365-sso-login {
	box-sizing: border-box;
	width: 100%;
	margin: 1.35rem 0 0;
	padding: clamp(1rem, 3vw, 1.35rem);
	border: 1px solid #b8cff2;
	border-radius: 1rem;
	background:
		radial-gradient(circle at 100% 0, rgba(15, 108, 189, 0.15), transparent 42%),
		linear-gradient(145deg, #f8fbff 0%, #eef5ff 100%);
	box-shadow: 0 0.8rem 2rem rgba(15, 108, 189, 0.1);
	color: #172033;
}

.sp-m365-sso-intro {
	display: grid;
	gap: 0.2rem;
	margin-bottom: 0.9rem;
}

.sp-m365-sso-intro > strong {
	font-size: clamp(1.05rem, 2vw, 1.2rem);
	line-height: 1.3;
}

.sp-m365-sso-intro > span:last-child {
	color: #526174;
	font-size: 0.92rem;
	line-height: 1.45;
}

.sp-m365-sso-eyebrow {
	color: #0f6cbd;
	font-size: 0.72rem;
	font-weight: 800;
	letter-spacing: 0.12em;
	text-transform: uppercase;
}

.sp-m365-sso-button,
.sp-m365-sso-button:visited {
	display: grid;
	grid-template-columns: auto minmax(0, 1fr) auto;
	align-items: center;
	gap: 0.9rem;
	box-sizing: border-box;
	width: 100%;
	min-height: 4.25rem;
	padding: 0.75rem 1rem;
	border: 1px solid #075a9f;
	border-radius: 0.75rem;
	background: #0f6cbd;
	box-shadow: 0 0.45rem 1rem rgba(15, 108, 189, 0.22);
	color: #fff;
	text-align: left;
	text-decoration: none;
	transition: transform 160ms ease, background-color 160ms ease, box-shadow 160ms ease;
}

.sp-m365-sso-button:hover {
	transform: translateY(-2px);
	background: #0b5fa9;
	box-shadow: 0 0.65rem 1.25rem rgba(15, 108, 189, 0.28);
	color: #fff;
}

.sp-m365-sso-button:focus-visible {
	outline: 3px solid #fbbf24;
	outline-offset: 3px;
}

.sp-m365-sso-button-copy {
	display: grid;
	gap: 0.12rem;
	min-width: 0;
}

.sp-m365-sso-button-copy strong {
	color: inherit;
	font-size: 1rem;
	line-height: 1.25;
}

.sp-m365-sso-button-copy small {
	color: rgba(255, 255, 255, 0.82);
	font-size: 0.78rem;
	line-height: 1.3;
}

.sp-m365-sso-logo {
	display: grid;
	grid-template-columns: repeat(2, 0.62rem);
	grid-template-rows: repeat(2, 0.62rem);
	gap: 0.12rem;
	padding: 0.55rem;
	border-radius: 0.45rem;
	background: #fff;
	box-shadow: 0 0.2rem 0.55rem rgba(0, 0, 0, 0.15);
}

.sp-m365-sso-logo span:nth-child(1) { background: #f25022; }
.sp-m365-sso-logo span:nth-child(2) { background: #7fba00; }
.sp-m365-sso-logo span:nth-child(3) { background: #00a4ef; }
.sp-m365-sso-logo span:nth-child(4) { background: #ffb900; }

.sp-m365-sso-arrow {
	font-size: 1.45rem;
	line-height: 1;
}

@media (max-width: 34rem) {
	.sp-m365-sso-login {
		border-radius: 0.8rem;
	}

	.sp-m365-sso-button,
	.sp-m365-sso-button:visited {
		gap: 0.7rem;
		padding-inline: 0.8rem;
	}

	.sp-m365-sso-arrow {
		display: none;
	}
}

@media (prefers-reduced-motion: reduce) {
	.sp-m365-sso-button {
		transition: none;
	}
}