:root {
	--loader-size: 1.8rem;
	--loader-border: 4px;
	
	--input-focus-shadow: 4px;
}

.form-group {
	margin-bottom: 1.2rem;
}

label {
	display: block;
	margin-bottom: .5rem;
	color: #555;
}

button,
input {
	width: 100%;
}

input {
	padding: .9rem 1.2rem;
	font-size: 1.2rem;
	border: 2px solid hsl(0, 0%, 88%);
	border-radius: .2rem;
	transition: border-color .2s, box-shadow .2s;
}

input:focus {
	border-color: hsl(var(--color-cta));
	box-shadow: 0 0 0 var(--input-focus-shadow) hsla(var(--color-cta), .1);
}

.form-actions {
	display: flex;
	flex-direction: column;
	gap: 1rem;
	margin-top: 1rem;
}

.btn-link {
	display: inline-block;
	padding: .3rem;
	color: inherit;
}

.btn-link a:link,
.btn-link a:visited {
	color: inherit;
}

button {
	display: flex;
	align-items: center;
	justify-content: center;
	gap: .8rem;
	position: relative;
	padding: 1rem;
	font-size: 1.4rem;
	color: #555;
	background-color: hsl(0, 0%, 98%);
	border: 2px solid hsl(0, 0%, 88%);
	border-radius: .5rem;
	transition: background-color .2s, transform .1s, color .2s;
	cursor: pointer;
}

button:hover {
	background-color: hsl(0, 0%, 94%);
	border-color: hsl(0, 0%, 80%);
}

button:active {
	transform: translateY(1px);
}

button.loading {
	transform: none !important;
	color: transparent !important;
	cursor: default;
}

button.loading::after {
	content: "";
	position: absolute;
	width: var(--loader-size);
	height: var(--loader-size);
	top: calc(50% - (var(--loader-size) / 2));
	left: calc(50% - (var(--loader-size) / 2));
	border: var(--loader-border) solid hsla(0, 0%, 100%, .2);
	border-top-color: hsl(var(--color-text));
	border-radius: 50%;
	animation: var(--spin-animation);
}

button.cta {
	color: #fff;
	background-color: hsl(var(--color-cta));
	border: none;
}

button.cta:hover {
	background-color: hsl(216, 98%, 45%);
}

button.cta:active {
	background-color: hsl(216, 98%, 40%);
}

button.cta:disabled {
	background-color: hsl(216, 20%, 90%);
	color: hsl(216, 10%, 60%);
	border: none;
	transform: none !important;
	cursor: not-allowed;
	pointer-events: none;
}

.alert-error {
	display: none;
	align-items: center;
	gap: 1rem;
	margin-bottom: 1rem;
	padding: 1rem;
	color: hsl(354, 61%, 28%);
	background-color: hsl(354, 70%, 91%);
	border: 1px solid hsl(354, 64%, 86%);
	border-radius: .8rem;
}

.alert-error.visible {
	display: flex !important;
}

.alert-error i {
	font-size: 1.4rem;
}