:root {
	--login-text-strong: #0f172a;
	--login-bg-start: #eef4ff;
	--login-bg-end: #f8fafc;
	--login-overlay-mask: rgba(0,0,0,.4);
	--login-overlay-mask-hidden: rgba(0,0,0,0);
	--login-overlay-dark: rgba(0,0,0,.78);
	--login-overlay-button: rgba(255,255,255,.2);
	--login-overlay-button-hover: rgba(255,255,255,.35);
	--login-overlay-ring: rgba(255,255,255,.6);
}

*, *::before, *::after {
	box-sizing: border-box;
}

html, body {
	width: 100%;
	height: 100%;
	margin: 0;
}

body.login-page {
	display: flex;
	align-items: center;
	justify-content: center;
	padding: 16px;
	background: linear-gradient(180deg, var(--login-bg-start), var(--login-bg-end));
	color: var(--login-text-strong);
}

#login-shell {
	width: min(420px, calc(100vw - 32px));
	max-width: 100%;
}

.login-card {
	border-radius: 18px;
	overflow: hidden;
}

.login-card .card-body {
	padding: 1.75rem 1.5rem;
}

.login-form {
	margin: 0;
}

.login-card .input-group-text {
	background: #fff;
	border-right: none;
	border-color: var(--bs-border-color);
}

.login-card .form-control {
	border-left: none;
	border-color: var(--bs-border-color);
}

.login-card .form-control:focus {
	border-left: none;
	border-color: var(--bs-border-color);
	box-shadow: none;
}

.login-submit-btn {
	font-weight: 600;
	white-space: nowrap;
}

#login-alert-overlay {
	position: fixed;
	inset: 0;
	display: flex;
	align-items: center;
	justify-content: center;
	background: var(--login-overlay-mask-hidden);
	pointer-events: none;
	transition: background .25s;
}

#login-alert-overlay.show {
	background: var(--login-overlay-mask);
	pointer-events: auto;
}

#login-alert-box {
	min-width: 300px;
	max-width: min(420px, calc(100vw - 32px));
	padding: 30px 42px;
	border-radius: 15px;
	background: var(--login-overlay-dark);
	color: #fff;
	text-align: center;
	transform: scale(.85);
	opacity: 0;
	outline: none;
	transition: transform .25s, opacity .25s;
}

#login-alert-overlay.show #login-alert-box {
	transform: scale(1);
	opacity: 1;
}

#login-alert-msg {
	font-size: 21px;
	line-height: 1.45;
	margin-bottom: 24px;
}

.login-alert-actions {
	display: flex;
	justify-content: center;
}

#login-alert-ok {
	padding: 10px 28px;
	border: none;
	border-radius: 9px;
	background: var(--login-overlay-button);
	color: #fff;
	font-size: 18px;
	cursor: pointer;
	outline: none;
}

#login-alert-ok:hover,
#login-alert-ok:focus,
#login-alert-ok.login-alert-active {
	background: var(--login-overlay-button-hover);
	box-shadow: 0 0 0 3px var(--login-overlay-ring);
}