.dce-checker {
	--dce-checker-accent: #1d5f91;
	--dce-checker-accent-dark: #15496f;
	--dce-checker-text: #20252b;
	--dce-checker-muted: #616b75;
	--dce-checker-border: #d8dee5;
	--dce-checker-surface: #ffffff;
	--dce-checker-soft: #f6f8fa;
	color: var(--dce-checker-text);
	margin: 1.5rem 0;
}

.dce-checker__app {
	background: var(--dce-checker-surface);
	border: 1px solid var(--dce-checker-border);
	border-radius: 10px;
	padding: clamp(1rem, 2.5vw, 1.75rem);
}

.dce-checker__heading {
	font-size: clamp(1.25rem, 2.5vw, 1.65rem);
	line-height: 1.3;
	margin: 0 0 1rem;
}

.dce-checker__heading:focus {
	outline: none;
}

.dce-checker__options {
	display: grid;
	gap: .75rem;
	grid-template-columns: repeat(2, minmax(0, 1fr));
}

.dce-checker__option,
.dce-checker__nav-button,
.dce-checker__primary,
.dce-checker__secondary {
	box-sizing: border-box;
	font: inherit;
	line-height: 1.35;
	text-decoration: none;
}

.dce-checker .dce-checker__option {
	appearance: none;
	background: var(--dce-checker-soft) !important;
	border: 1px solid var(--dce-checker-border) !important;
	border-radius: 7px;
	box-shadow: none !important;
	color: var(--dce-checker-text) !important;
	cursor: pointer;
	min-height: 3.25rem;
	padding: .85rem 1rem;
	text-align: left;
	text-shadow: none !important;
	transition: border-color .15s ease, background-color .15s ease, color .15s ease;
}

.dce-checker .dce-checker__option:hover {
	background: var(--dce-checker-accent) !important;
	border-color: var(--dce-checker-accent-dark) !important;
	color: #fff !important;
}

.dce-checker__option:focus-visible,
.dce-checker__nav-button:focus-visible,
.dce-checker__primary:focus-visible,
.dce-checker__secondary:focus-visible,
.dce-checker__input:focus-visible {
	outline: 3px solid rgba(29, 95, 145, .28);
	outline-offset: 2px;
}

.dce-checker__nav {
	display: flex;
	flex-wrap: wrap;
	gap: .65rem;
	margin-top: 1.25rem;
}

.dce-checker__nav-button {
	appearance: none;
	background: transparent;
	border: 0;
	color: var(--dce-checker-accent);
	cursor: pointer;
	padding: .35rem .15rem;
	text-decoration: underline;
	text-underline-offset: 2px;
}

.dce-checker__kicker {
	color: var(--dce-checker-accent);
	font-size: .9rem;
	font-weight: 700;
	letter-spacing: .02em;
	margin: 0 0 .45rem;
	text-transform: uppercase;
}

.dce-checker__result-text,
.dce-checker__help {
	color: var(--dce-checker-muted);
}

.dce-checker__result-text {
	margin: 0 0 1.25rem;
}

.dce-checker__actions {
	display: flex;
	flex-wrap: wrap;
	gap: .7rem;
}

.dce-checker__primary,
.dce-checker__secondary {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	border-radius: 6px;
	font-weight: 700;
	padding: .75rem 1rem;
}

.dce-checker .dce-checker__primary {
	appearance: none;
	background: var(--dce-checker-accent) !important;
	border: 1px solid var(--dce-checker-accent) !important;
	box-shadow: none;
	color: #fff !important;
	cursor: pointer;
	text-decoration: none !important;
	text-shadow: none !important;
}

.dce-checker .dce-checker__primary:hover {
	background: var(--dce-checker-accent-dark) !important;
	border-color: var(--dce-checker-accent-dark) !important;
	color: #fff !important;
	text-decoration: none !important;
}

.dce-checker .dce-checker__result .dce-checker__primary {
	border-width: 2px !important;
	box-shadow: 0 2px 5px rgba(0, 0, 0, .14);
	font-size: 1.05rem;
	min-height: 3.1rem;
	padding: .85rem 1.2rem;
}

.dce-checker__secondary {
	background: #fff;
	border: 1px solid var(--dce-checker-border);
	color: var(--dce-checker-accent);
}

.dce-checker__secondary:hover {
	border-color: var(--dce-checker-accent);
	color: var(--dce-checker-accent-dark);
}

.dce-checker__code-form {
	max-width: 34rem;
}

.dce-checker__label {
	display: block;
	font-weight: 700;
}

.dce-checker__input {
	background: #fff;
	border: 1px solid var(--dce-checker-border);
	border-radius: 6px;
	box-sizing: border-box;
	color: var(--dce-checker-text);
	display: block;
	font: inherit;
	font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
	font-size: 1.05rem;
	margin-top: .45rem;
	max-width: 18rem;
	padding: .7rem .8rem;
	width: 100%;
}

.dce-checker__help {
	font-size: .92rem;
	margin: .45rem 0 .6rem;
}

.dce-checker__error {
	color: #a32121;
	font-weight: 600;
	min-height: 1.4em;
}

@media (max-width: 680px) {
	.dce-checker__options {
		grid-template-columns: 1fr;
	}

	.dce-checker__actions,
	.dce-checker__primary,
	.dce-checker__secondary {
		width: 100%;
	}
}

@media (prefers-reduced-motion: reduce) {
	.dce-checker__option {
		transition: none;
	}
}