/* Document Verification — front end
   Every colour and measure is a variable; rebrand by overriding :root in the
   theme stylesheet, nothing here needs editing. */

.dv {
	--dv-ink: #17181a;
	--dv-muted: #5c6066;
	--dv-line: #d3d6da;
	--dv-panel: #f4f5f3;
	--dv-accent: #ffd200;
	--dv-accent-ink: #17181a;
	--dv-focus: #0b5cab;
	--dv-error: #a4161a;
	--dv-ok: #1f6b3a;
	--dv-radius: 2px;
	--dv-measure: 68ch;
	--dv-font: inherit;

	color: var(--dv-ink);
	font-family: var(--dv-font);
	max-width: 960px;
	margin-inline: auto;
	padding: 0 1.25rem;
}

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

/* Heading and intro ----------------------------------------------------- */

.dv__header {
	border-bottom: 3px solid var(--dv-accent);
	padding-bottom: 1.25rem;
	margin-bottom: 2rem;
}

.dv__title {
	font-size: clamp(1.75rem, 1.2rem + 2vw, 2.5rem);
	line-height: 1.15;
	letter-spacing: -0.01em;
	margin: 0 0 0.75rem;
}

.dv__intro {
	max-width: var(--dv-measure);
	margin: 0;
	font-size: 1.0625rem;
	line-height: 1.6;
	color: var(--dv-muted);
}

/* Panel ----------------------------------------------------------------- */

.dv__panel {
	background: var(--dv-panel);
	border: 1px solid var(--dv-line);
	border-radius: var(--dv-radius);
	padding: clamp(1.25rem, 1rem + 1.5vw, 2.25rem);
}

.dv__panel-title {
	font-size: 1.125rem;
	line-height: 1.3;
	margin: 0 0 1.5rem;
	padding-bottom: 0.75rem;
	border-bottom: 1px solid var(--dv-line);
}

/* Form ------------------------------------------------------------------ */

.dv__form {
	display: grid;
	gap: 1.25rem;
	max-width: 32rem;
}

.dv__field {
	display: grid;
	gap: 0.375rem;
}

.dv__label {
	font-weight: 600;
	font-size: 0.9375rem;
}

.dv__select,
.dv__input {
	width: 100%;
	padding: 0.6875rem 0.75rem;
	font-size: 1rem;
	font-family: inherit;
	color: var(--dv-ink);
	background: #fff;
	border: 1px solid #8b9096;
	border-radius: var(--dv-radius);
	transition: border-color 0.12s ease, box-shadow 0.12s ease;
}

.dv__input {
	font-variant-ligatures: none;
	letter-spacing: 0.04em;
	text-transform: uppercase;
}

.dv__input::placeholder {
	text-transform: none;
	letter-spacing: normal;
	color: #8b9096;
}

.dv__select:focus-visible,
.dv__input:focus-visible,
.dv__submit:focus-visible {
	outline: 3px solid var(--dv-focus);
	outline-offset: 2px;
}

.dv__field--error .dv__select,
.dv__field--error .dv__input {
	border-color: var(--dv-error);
	box-shadow: inset 0 0 0 1px var(--dv-error);
}

.dv__hint {
	margin: 0;
	font-size: 0.875rem;
	color: var(--dv-muted);
}

.dv__honeypot {
	position: absolute;
	width: 1px;
	height: 1px;
	overflow: hidden;
	clip: rect(0 0 0 0);
	clip-path: inset(50%);
	white-space: nowrap;
}

.dv__submit {
	justify-self: start;
	padding: 0.75rem 1.75rem;
	font: inherit;
	font-weight: 700;
	color: var(--dv-accent-ink);
	background: var(--dv-accent);
	border: 2px solid var(--dv-accent-ink);
	border-radius: var(--dv-radius);
	cursor: pointer;
	transition: background 0.12s ease;
}

.dv__submit:hover {
	background: #ffe25c;
}

.dv__submit[disabled] {
	cursor: progress;
	opacity: 0.7;
}

/* Result ---------------------------------------------------------------- */

.dv__result:empty {
	display: none;
}

.dv__result {
	margin-top: 1.75rem;
	padding: 1.25rem;
	background: #fff;
	border: 1px solid var(--dv-line);
	border-left: 4px solid var(--dv-line);
	border-radius: var(--dv-radius);
}

.dv__result--ok {
	border-left-color: var(--dv-ok);
}

.dv__result--error {
	border-left-color: var(--dv-error);
}

.dv__result-heading {
	margin: 0 0 0.5rem;
	font-size: 1rem;
	font-weight: 700;
}

.dv__result--error .dv__result-heading {
	color: var(--dv-error);
}

.dv__result-list {
	display: grid;
	grid-template-columns: auto 1fr;
	gap: 0.25rem 1rem;
	margin: 0.75rem 0 1rem;
	font-size: 0.9375rem;
}

.dv__result-list dt {
	color: var(--dv-muted);
}

.dv__result-list dd {
	margin: 0;
	font-weight: 600;
}

.dv__result-link {
	display: inline-block;
	font-weight: 700;
	color: var(--dv-focus);
}

.dv__notes {
	max-width: var(--dv-measure);
	margin-top: 2rem;
	font-size: 0.9375rem;
	line-height: 1.65;
	color: var(--dv-muted);
}

.dv__empty {
	padding: 1.25rem;
	background: var(--dv-panel);
	border: 1px solid var(--dv-line);
}

/* Standalone page shell -------------------------------------------------- */

.dv__skip {
	position: absolute;
	left: -9999px;
}

.dv__skip:focus {
	left: 1rem;
	top: 1rem;
	z-index: 100;
	padding: 0.5rem 1rem;
	background: #fff;
	border: 2px solid #17181a;
}

.dv-standalone__inner {
	max-width: 960px;
	margin-inline: auto;
	padding-inline: 1.25rem;
}

.dv-standalone__masthead {
	padding-block: 1.25rem;
	border-bottom: 1px solid #d3d6da;
}

.dv-standalone__brand {
	font-weight: 700;
	font-size: 1.125rem;
	text-decoration: none;
	color: inherit;
}

.dv-standalone__main {
	padding-block: clamp(2rem, 1rem + 4vw, 4rem);
}

.dv-standalone__footer {
	padding-block: 1.5rem;
	border-top: 1px solid #d3d6da;
	font-size: 0.875rem;
	color: #5c6066;
}

@media (prefers-reduced-motion: reduce) {
	.dv * {
		transition: none !important;
	}
}

/* Segmented reference field --------------------------------------------- */

.dv__boxes-row {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 0.75rem 1.25rem;
}

.dv__boxes-error {
	margin: 0;
	flex: 1 1 14rem;
	font-size: 0.9375rem;
	color: var(--dv-error);
}

.dv__boxes-error:empty {
	display: none;
}

.dv__boxes {
	display: flex;
	flex-wrap: wrap;
	gap: 0.5rem;
}

.dv__box {
	flex: 0 1 auto;
	width: 6.5rem;
	min-width: 0;
	padding: 0.6875rem 0.5rem;
	font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
	font-size: 1.125rem;
	font-weight: 500;
	letter-spacing: 0.08em;
	text-align: center;
	color: var(--dv-ink);
	background: #fff;
	border: 1px solid #8b9096;
	border-radius: var(--dv-radius);
	text-transform: uppercase;
}

.dv__box:focus-visible {
	outline: 3px solid var(--dv-focus);
	outline-offset: 2px;
}

.dv__box.is-error {
	border-color: var(--dv-error);
	box-shadow: inset 0 0 0 1px var(--dv-error);
}

@media (max-width: 560px) {
	.dv__boxes {
		gap: 0.375rem;
	}

	.dv__box {
		width: calc(33.333% - 0.25rem);
		font-size: 1rem;
		padding-inline: 0.25rem;
	}
}