/*!
 * Byte42 Boxenstopp – Stylesheet
 * Nur Systemschriften, keine externen Ressourcen.
 */

.b42bs {
	--b42bs-wall: #191b20;
	--b42bs-deep: #0d0f13;
	--b42bs-ink: #ece9e0;
	--b42bs-dim: #8a8d97;
	--b42bs-amber: #e0b64a;
	--b42bs-hot: #ff5a3c;
	--b42bs-go: #4dff9e;
	--b42bs-line: rgba(236, 233, 224, 0.15);
	--b42bs-mono: ui-monospace, "SFMono-Regular", "Menlo", "Consolas", "DejaVu Sans Mono", monospace;

	max-width: 660px;
	margin: 2rem auto;
	padding: 14px;
	background: var(--b42bs-wall);
	border: 1px solid var(--b42bs-line);
	border-radius: 4px;
	box-shadow: 0 18px 40px -24px rgba(0, 0, 0, 0.9);
	font-family: var(--b42bs-mono);
	color: var(--b42bs-ink);
	line-height: 1.45;
	box-sizing: border-box;
}

.b42bs *,
.b42bs *::before,
.b42bs *::after {
	box-sizing: inherit;
}

/* --- Kopfzeile ----------------------------------------------- */

.b42bs-marquee {
	display: flex;
	align-items: baseline;
	justify-content: space-between;
	gap: 12px;
	flex-wrap: wrap;
	margin: 0 0 10px;
	padding-bottom: 8px;
	border-bottom: 2px solid var(--b42bs-amber);
}

.b42bs-title {
	margin: 0;
	font-family: inherit;
	font-size: clamp(0.95rem, 3.2vw, 1.15rem);
	font-weight: 700;
	letter-spacing: 0.26em;
	text-transform: uppercase;
}

.b42bs-credit {
	font-size: 0.68rem;
	letter-spacing: 0.18em;
	text-transform: uppercase;
	color: var(--b42bs-amber);
}

/* --- Zeittafel ----------------------------------------------- */

.b42bs-hud {
	display: grid;
	grid-template-columns: repeat(5, minmax(0, 1fr));
	gap: 6px;
	margin: 0 0 8px;
	padding: 0;
	list-style: none;
}

.b42bs-hud > li {
	margin: 0;
	padding: 5px 7px;
	background: var(--b42bs-deep);
	border: 1px solid var(--b42bs-line);
}

.b42bs-label {
	display: block;
	margin-bottom: 2px;
	font-size: 0.56rem;
	letter-spacing: 0.14em;
	text-transform: uppercase;
	color: var(--b42bs-dim);
}

.b42bs-value {
	display: block;
	font-size: 0.9rem;
	font-weight: 700;
	font-variant-numeric: tabular-nums;
	letter-spacing: 0.02em;
	color: var(--b42bs-amber);
}

.b42bs-value[data-low="true"] {
	color: var(--b42bs-hot);
}

/* --- Reifenanzeige ------------------------------------------- */

.b42bs-tires {
	display: grid;
	grid-template-columns: repeat(4, minmax(0, 1fr));
	gap: 6px;
	margin: 0 0 10px;
	padding: 0;
	list-style: none;
}

.b42bs-tire {
	padding: 5px 7px;
	background: var(--b42bs-deep);
	border: 1px solid var(--b42bs-line);
}

.b42bs-tire-bar {
	position: relative;
	height: 12px;
	margin-top: 3px;
	background: #262a31;
	border: 1px solid var(--b42bs-line);
	overflow: hidden;
}

/* Der Balken zeigt den Abrieb: er wächst, während der Reifen abbaut. */
.b42bs-tire-bar::before {
	content: "";
	position: absolute;
	inset: 0 auto 0 0;
	width: var(--wear, 0%);
	background: var(--b42bs-go);
}

.b42bs-tire-bar[data-level="warnung"]::before {
	background: var(--b42bs-amber);
}

.b42bs-tire-bar[data-level="kritisch"]::before {
	background: var(--b42bs-hot);
}

/* --- Bildschirm ---------------------------------------------- */

.b42bs-stage {
	position: relative;
	display: block;
	width: 100%;
	aspect-ratio: 640 / 384;
	background: #0b0d11;
	border: 1px solid var(--b42bs-line);
	outline-offset: 3px;
	cursor: crosshair;
	touch-action: none;
	overflow: hidden;
}

.b42bs-stage:focus,
.b42bs-stage:focus-visible {
	outline: 3px solid var(--b42bs-amber);
}

.b42bs-canvas {
	display: block;
	width: 100%;
	height: 100%;
	image-rendering: pixelated;
}

.b42bs-focushint {
	position: absolute;
	left: 50%;
	bottom: 8px;
	transform: translateX(-50%);
	padding: 5px 10px;
	background: rgba(11, 13, 17, 0.9);
	border: 1px solid var(--b42bs-amber);
	font-size: 0.64rem;
	letter-spacing: 0.14em;
	text-transform: uppercase;
	white-space: nowrap;
	pointer-events: none;
}

.b42bs-stage:focus .b42bs-focushint,
.b42bs-stage:focus-within .b42bs-focushint {
	display: none;
}

.b42bs[data-state="racing"] .b42bs-focushint,
.b42bs[data-state="pit"] .b42bs-focushint {
	display: none;
}

.b42bs-hint-touch {
	display: none;
}

/* --- Bedienung ----------------------------------------------- */

.b42bs-controls,
.b42bs-pad,
.b42bs-pit-actions {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
	margin-top: 8px;
}

.b42bs-pad {
	display: none;
	flex-wrap: nowrap;
}

.b42bs-btn {
	flex: 1 1 auto;
	min-height: 44px;
	padding: 8px 10px;
	background: var(--b42bs-deep);
	color: var(--b42bs-ink);
	border: 1px solid var(--b42bs-line);
	border-radius: 2px;
	font-family: inherit;
	font-size: 0.7rem;
	font-weight: 700;
	letter-spacing: 0.14em;
	text-transform: uppercase;
	cursor: pointer;
	transition: background-color 0.12s ease, border-color 0.12s ease;
}

.b42bs-btn:hover:not(:disabled) {
	background: #21242c;
	border-color: var(--b42bs-amber);
}

.b42bs-btn:focus-visible {
	outline: 3px solid var(--b42bs-amber);
	outline-offset: 2px;
}

.b42bs-btn:disabled {
	opacity: 0.4;
	cursor: not-allowed;
}

.b42bs-btn[aria-pressed="true"] {
	border-color: var(--b42bs-go);
	color: var(--b42bs-go);
}

.b42bs-btn-pit {
	border-color: var(--b42bs-amber);
	color: var(--b42bs-amber);
}

.b42bs-pad .b42bs-btn {
	min-height: 64px;
	font-size: 1rem;
	letter-spacing: 0;
	user-select: none;
	-webkit-user-select: none;
	-webkit-tap-highlight-color: transparent;
}

@media (pointer: coarse), (hover: none) {
	.b42bs-pad {
		display: flex;
	}
	.b42bs-stage {
		cursor: default;
	}
	.b42bs-hint-key {
		display: none;
	}
	.b42bs-hint-touch {
		display: inline;
	}
	.b42bs-stage:focus .b42bs-focushint,
	.b42bs-stage:focus-within .b42bs-focushint {
		display: block;
	}
	.b42bs[data-state="racing"] .b42bs-focushint,
	.b42bs[data-state="pit"] .b42bs-focushint {
		display: none;
	}
}

.b42bs[data-controls="display"] .b42bs-pad {
	display: none;
}

.b42bs[data-controls="buttons"] .b42bs-stage {
	cursor: default;
}

/* --- Boxenstopp ---------------------------------------------- */

.b42bs-pit {
	margin-top: 10px;
	padding: 10px;
	background: var(--b42bs-deep);
	border: 2px solid var(--b42bs-amber);
}

.b42bs-pit[hidden] {
	display: none;
}

.b42bs-pit-title {
	margin: 0 0 6px;
	font-family: inherit;
	font-size: 0.72rem;
	font-weight: 700;
	letter-spacing: 0.2em;
	text-transform: uppercase;
	color: var(--b42bs-amber);
}

.b42bs-pit-lead {
	margin: 0 0 8px;
	font-size: 0.76rem;
	line-height: 1.5;
	color: var(--b42bs-dim);
}

.b42bs-pit-tires {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 8px;
}

.b42bs-pit-actions .b42bs-btn-fuel {
	flex: 2 1 auto;
	border-color: var(--b42bs-amber);
}

/* --- Tempo --------------------------------------------------- */

.b42bs-tempo {
	display: flex;
	align-items: center;
	gap: 8px;
	flex: 1 1 100%;
	padding: 6px 10px;
	background: var(--b42bs-deep);
	border: 1px solid var(--b42bs-line);
}

.b42bs-tempo-label {
	font-size: 0.66rem;
	font-weight: 700;
	letter-spacing: 0.16em;
	text-transform: uppercase;
	color: var(--b42bs-dim);
	white-space: nowrap;
}

.b42bs-tempo-select {
	flex: 1 1 auto;
	min-height: 40px;
	padding: 6px 8px;
	background: #22252d;
	color: var(--b42bs-ink);
	border: 1px solid var(--b42bs-line);
	border-radius: 2px;
	font-family: inherit;
	font-size: 0.84rem;
	cursor: pointer;
}

.b42bs-tempo-select:focus-visible {
	outline: 3px solid var(--b42bs-amber);
	outline-offset: 2px;
}

/* --- Namenseingabe ------------------------------------------- */

.b42bs-nameentry {
	margin-top: 10px;
	padding: 12px;
	background: var(--b42bs-deep);
	border: 2px solid var(--b42bs-amber);
}

.b42bs-nameentry[hidden] {
	display: none;
}

.b42bs-nameentry-lead {
	margin: 0 0 8px;
	font-size: 0.82rem;
	line-height: 1.5;
}

.b42bs-nameentry-row {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 8px;
}

.b42bs-nameentry label {
	flex: 1 1 100%;
	font-size: 0.66rem;
	letter-spacing: 0.16em;
	text-transform: uppercase;
	color: var(--b42bs-dim);
}

.b42bs-nameinput {
	width: 5.5ch;
	min-height: 48px;
	padding: 4px 8px;
	background: #22252d;
	color: var(--b42bs-go);
	border: 1px solid var(--b42bs-line);
	border-radius: 2px;
	font-family: inherit;
	font-size: 1.6rem;
	font-weight: 700;
	letter-spacing: 0.24em;
	text-align: center;
	text-transform: uppercase;
}

.b42bs-nameinput:focus-visible {
	outline: 3px solid var(--b42bs-amber);
	outline-offset: 2px;
}

.b42bs-nameerror {
	flex: 1 1 100%;
	margin: 0;
	font-size: 0.74rem;
	color: var(--b42bs-hot);
}

/* --- Bestenlisten -------------------------------------------- */

.b42bs-board {
	margin-top: 10px;
	padding: 10px;
	background: var(--b42bs-deep);
	border: 1px solid var(--b42bs-line);
}

.b42bs-board-title {
	margin: 0 0 8px;
	font-family: inherit;
	font-size: 0.72rem;
	font-weight: 700;
	letter-spacing: 0.2em;
	text-transform: uppercase;
}

.b42bs-tabs {
	display: flex;
	gap: 6px;
	margin-bottom: 8px;
}

.b42bs-tab {
	flex: 1 1 0;
	min-height: 44px;
	padding: 6px 8px;
	background: transparent;
	color: var(--b42bs-dim);
	border: 1px solid var(--b42bs-line);
	border-radius: 2px;
	font-family: inherit;
	font-size: 0.68rem;
	font-weight: 700;
	letter-spacing: 0.12em;
	text-transform: uppercase;
	cursor: pointer;
}

.b42bs-tab[aria-selected="true"] {
	color: var(--b42bs-ink);
	border-color: var(--b42bs-amber);
	box-shadow: inset 0 -3px 0 var(--b42bs-amber);
}

.b42bs-tab:focus-visible {
	outline: 3px solid var(--b42bs-amber);
	outline-offset: 2px;
}

.b42bs-board-list {
	margin: 0;
	padding: 0;
	list-style: none;
}

.b42bs-board-row {
	display: grid;
	grid-template-columns: 2.6em 4.2em 1fr;
	grid-template-areas:
		"rank name score"
		"rank meta meta";
	gap: 0 8px;
	padding: 7px 4px;
	border-bottom: 1px solid var(--b42bs-line);
}

.b42bs-board-row:last-child {
	border-bottom: 0;
}

.b42bs-board-rank {
	grid-area: rank;
	align-self: center;
	font-variant-numeric: tabular-nums;
	color: var(--b42bs-dim);
}

.b42bs-board-name {
	grid-area: name;
	font-weight: 700;
	letter-spacing: 0.14em;
	color: var(--b42bs-go);
}

.b42bs-board-score {
	grid-area: score;
	text-align: right;
	font-weight: 700;
	font-variant-numeric: tabular-nums;
}

.b42bs-board-meta {
	grid-area: meta;
	font-size: 0.64rem;
	color: var(--b42bs-dim);
}

.b42bs-board-row:first-child .b42bs-board-name,
.b42bs-board-row:first-child .b42bs-board-score {
	color: var(--b42bs-amber);
}

.b42bs-board-empty {
	padding: 10px 4px;
	font-size: 0.76rem;
	color: var(--b42bs-dim);
}

.b42bs-board-note {
	margin: 8px 0 0;
	font-size: 0.66rem;
	line-height: 1.5;
	color: var(--b42bs-dim);
}

.b42bs-board-clear {
	margin-top: 8px;
	width: 100%;
}

/* --- Hilfe --------------------------------------------------- */

.b42bs-help {
	margin: 10px 0 0;
	padding: 8px 10px;
	background: var(--b42bs-deep);
	border: 1px solid var(--b42bs-line);
	font-size: 0.7rem;
	line-height: 1.6;
	color: var(--b42bs-dim);
}

.b42bs-help kbd {
	display: inline-block;
	padding: 1px 5px;
	background: #22252d;
	border: 1px solid var(--b42bs-line);
	border-radius: 2px;
	font-family: inherit;
	color: var(--b42bs-ink);
}

.b42bs-help b {
	color: var(--b42bs-ink);
}

/* --- Nur für Screenreader ------------------------------------ */

.b42bs-sr {
	position: absolute !important;
	width: 1px;
	height: 1px;
	margin: -1px;
	padding: 0;
	overflow: hidden;
	clip: rect(0 0 0 0);
	clip-path: inset(50%);
	white-space: nowrap;
	border: 0;
}

/* --- Rücksichten --------------------------------------------- */

@media (prefers-reduced-motion: reduce) {
	.b42bs-btn {
		transition: none;
	}
}

@media (max-width: 520px) {
	.b42bs {
		margin: 1rem auto;
		padding: 10px;
	}
	.b42bs-hud {
		grid-template-columns: repeat(3, minmax(0, 1fr));
	}
	.b42bs-tires {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}
}

@media (forced-colors: active) {
	.b42bs-btn {
		border: 1px solid ButtonBorder;
	}
	.b42bs-tire-bar::before {
		background: Highlight;
	}
}