/* Shaw Technology digital tokens, light context (Brand and Formatting Guide, Parts I and III). */
:root {
	--shaw-red: #C3262E;
	--shaw-red-light: #DF3A42;
	--shaw-red-dark: #A12025;
	--near-black: #1A1A1A;
	--white: #FFFFFF;
	--gray-50: #F2F2F2;
	--gray-100: #E5E5E5;
	--gray-200: #CCCCCC;
	--gray-300: #BBBBBB;
	--gray-600: #555555;
}

* {
	box-sizing: border-box;
}

body {
	margin: 0;
	min-height: 100vh;
	display: flex;
	flex-direction: column;
	align-items: center;
	background: var(--gray-50);
	color: var(--near-black);
	font-family: 'Source Sans 3', Arial, sans-serif;
	font-size: 16px;
	line-height: 1.5;
}

header {
	padding: 64px 24px 32px;
}

header img {
	display: block;
	width: 320px;
	max-width: 80vw;
	height: auto;
}

main {
	width: 100%;
	max-width: 440px;
	padding: 0 24px 64px;
}

.card {
	background: var(--white);
	border: 1px solid var(--gray-100);
	border-radius: 8px;
	padding: 32px;
	box-shadow: 0 2px 8px rgba(26, 26, 26, 0.08);
}

.lead {
	margin: 0 0 16px;
	color: var(--gray-600);
}

label {
	display: block;
	margin-bottom: 8px;
	font-size: 14px;
	font-weight: 600;
}

input[type="text"] {
	width: 100%;
	padding: 12px 16px;
	background: var(--white);
	border: 1px solid var(--gray-300);
	border-radius: 4px;
	color: var(--near-black);
	font-family: inherit;
	font-size: 18px;
	transition: border-color 150ms ease;
}

input.masked {
	-webkit-text-security: disc;
	letter-spacing: 0.2em;
}

.field-gap {
	margin-top: 16px;
}

input[type="text"]:focus {
	outline: none;
	border-color: var(--shaw-red);
}

.os-picker {
	margin: 16px 0 0;
	padding: 0;
	border: 0;
}

.os-picker legend {
	padding: 0;
	margin-bottom: 8px;
	font-size: 14px;
	font-weight: 600;
}

.segments {
	display: flex;
	gap: 8px;
}

.segments input {
	position: absolute;
	opacity: 0;
	pointer-events: none;
}

.segments label {
	flex: 1;
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 4px;
	margin: 0;
	padding: 12px 0 8px;
	border: 1px solid var(--gray-200);
	border-radius: 4px;
	background: var(--white);
	color: var(--gray-600);
	font-weight: 400;
	text-align: center;
	cursor: pointer;
	transition: border-color 150ms ease, color 150ms ease;
}

.segments label:hover {
	color: var(--near-black);
}

.segments input:checked + label {
	background: var(--gray-50);
	border-color: var(--shaw-red);
	color: var(--near-black);
	font-weight: 600;
}

.segments input:checked + label svg {
	color: var(--shaw-red);
}

.segments input:focus-visible + label {
	outline: 2px solid var(--near-black);
	outline-offset: 2px;
}

.button {
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 8px;
	width: 100%;
	margin-top: 16px;
	padding: 12px 16px;
	border: 1px solid transparent;
	border-radius: 4px;
	font-family: inherit;
	font-size: 16px;
	font-weight: 600;
	text-decoration: none;
	cursor: pointer;
	transition: background-color 150ms ease, border-color 150ms ease;
}

.button-primary {
	background: var(--shaw-red);
	color: var(--white);
}

.button-primary:hover {
	background: var(--shaw-red-light);
}

.button-primary:active {
	background: var(--shaw-red-dark);
}

.button-primary:disabled {
	background: var(--shaw-red-dark);
	cursor: default;
}

.button-secondary {
	background: transparent;
	border-color: var(--near-black);
	color: var(--near-black);
}

.button-secondary:hover {
	background: var(--gray-50);
}

.message {
	display: flex;
	align-items: flex-start;
	gap: 8px;
	min-height: 24px;
	margin-top: 16px;
	font-size: 14px;
	color: var(--near-black);
}

.message svg {
	flex: none;
	margin-top: 2px;
	color: var(--shaw-red);
}

.instructions {
	margin: 16px 0 0;
	font-size: 14px;
	color: var(--gray-600);
}