/******************************************************************************
 * Live steps - the runnable API card embedded in three.ws documentation.
 * ════════════════════════════════════════════════════════════════════════════
 * Paired with /live-steps.js. Every colour resolves through the canonical
 * tokens in tokens.css, so the card follows the reader's theme (dark and
 * light) without a second palette. Motion is opt-out via prefers-reduced-motion
 * and the layout collapses to a single column under 640px.
 *****************************************************************************/

.ls-card {
	--ls-accent: var(--accent, #fff);
	position: relative;
	margin: 2rem 0;
	padding: 1.15rem 1.25rem 1.25rem;
	border: 1px solid var(--stroke, rgba(255, 255, 255, 0.08));
	border-radius: var(--radius-lg, 14px);
	background: var(--surface-1, rgba(255, 255, 255, 0.03));
	transition:
		border-color 0.2s ease,
		box-shadow 0.25s ease;
}

/* A thin status rail on the leading edge: idle is quiet, a result is not. */
.ls-card::before {
	content: '';
	position: absolute;
	inset: 0 auto 0 0;
	width: 2px;
	border-radius: var(--radius-lg, 14px) 0 0 var(--radius-lg, 14px);
	background: var(--stroke-strong, rgba(255, 255, 255, 0.14));
	transition: background 0.25s ease;
}
.ls-card[data-state='running']::before {
	background: var(--ls-accent);
}
.ls-card[data-state='ok'] {
	border-color: color-mix(in srgb, var(--success, #4ade80) 32%, transparent);
}
.ls-card[data-state='ok']::before {
	background: var(--success, #4ade80);
}
.ls-card[data-state='error'] {
	border-color: color-mix(in srgb, var(--danger, #f87171) 34%, transparent);
}
.ls-card[data-state='error']::before {
	background: var(--danger, #f87171);
}

/* ── Header ──────────────────────────────────────────────────────────────── */

.ls-head {
	display: flex;
	align-items: flex-start;
	gap: 0.7rem;
}

.ls-badge {
	display: inline-flex;
	align-items: center;
	gap: 0.35rem;
	flex: none;
	margin-top: 0.15rem;
	padding: 0.2rem 0.45rem;
	border: 1px solid var(--stroke-strong, rgba(255, 255, 255, 0.14));
	border-radius: var(--radius-pill, 999px);
	background: var(--surface-2, rgba(255, 255, 255, 0.05));
	color: var(--ink-dim, #888);
	font-family: var(--font-mono, monospace);
	font-size: 0.58rem;
	letter-spacing: 0.12em;
}
.ls-badge-dot {
	width: 5px;
	height: 5px;
	border-radius: 50%;
	background: var(--success, #4ade80);
	box-shadow: 0 0 0 0 color-mix(in srgb, var(--success, #4ade80) 60%, transparent);
	animation: ls-pulse 2.4s ease-out infinite;
}
.ls-badge-bad {
	color: var(--danger, #f87171);
	border-color: color-mix(in srgb, var(--danger, #f87171) 40%, transparent);
}

@keyframes ls-pulse {
	0% {
		box-shadow: 0 0 0 0 color-mix(in srgb, var(--success, #4ade80) 55%, transparent);
	}
	70%,
	100% {
		box-shadow: 0 0 0 6px transparent;
	}
}

.ls-titles {
	flex: 1 1 auto;
	min-width: 0;
}
.ls-title {
	margin: 0;
	font-size: 0.98rem;
	font-weight: 600;
	line-height: 1.35;
	color: var(--ink-bright, #fff);
}
.ls-target {
	display: flex;
	align-items: center;
	gap: 0.45rem;
	flex-wrap: wrap;
	margin: 0.3rem 0 0;
	font-size: 0.75rem;
}
.ls-method {
	padding: 0.1rem 0.36rem;
	border-radius: var(--radius-sm, 6px);
	background: color-mix(in srgb, var(--success, #4ade80) 16%, transparent);
	color: var(--success, #4ade80);
	font-family: var(--font-mono, monospace);
	font-size: 0.63rem;
	letter-spacing: 0.06em;
}
.ls-method-local {
	background: var(--surface-2, rgba(255, 255, 255, 0.05));
	color: var(--ink-dim, #888);
}
.ls-path {
	color: var(--ink-dim, #888);
	font-family: var(--font-mono, monospace);
	font-size: 0.72rem;
	overflow-wrap: anywhere;
}

.ls-ref {
	display: inline-flex;
	align-items: center;
	gap: 0.3rem;
	flex: none;
	padding: 0.25rem 0.5rem;
	border: 1px solid var(--stroke, rgba(255, 255, 255, 0.08));
	border-radius: var(--radius-sm, 6px);
	color: var(--ink-dim, #888);
	font-size: 0.7rem;
	text-decoration: none;
	transition:
		color 0.16s,
		border-color 0.16s,
		background 0.16s;
}
.ls-ref:hover {
	color: var(--ink-bright, #fff);
	border-color: var(--stroke-strong, rgba(255, 255, 255, 0.14));
	background: var(--surface-2, rgba(255, 255, 255, 0.05));
}
.ls-ref svg {
	width: 11px;
	height: 11px;
}

/* ── Copy ────────────────────────────────────────────────────────────────── */

.ls-summary {
	margin: 0.7rem 0 0;
	color: var(--ink, #e8e8e8);
	font-size: 0.86rem;
	line-height: 1.6;
	opacity: 0.82;
}

.ls-chain {
	display: flex;
	align-items: center;
	gap: 0.4rem;
	margin: 0.6rem 0 0;
	color: var(--ink-dim, #888);
	font-size: 0.76rem;
}
.ls-chain svg {
	width: 13px;
	height: 13px;
	flex: none;
}

/* ── Inputs ──────────────────────────────────────────────────────────────── */

.ls-inputs {
	display: flex;
	flex-wrap: wrap;
	gap: 0.7rem;
	margin-top: 0.9rem;
}
.ls-field {
	display: flex;
	flex-direction: column;
	gap: 0.28rem;
	min-width: min(100%, 13rem);
}
.ls-field-label {
	color: var(--ink-dim, #888);
	font-family: var(--font-mono, monospace);
	font-size: 0.66rem;
	letter-spacing: 0.05em;
}
.ls-input {
	padding: 0.42rem 0.55rem;
	border: 1px solid var(--stroke, rgba(255, 255, 255, 0.08));
	border-radius: var(--radius-sm, 6px);
	background: var(--surface-2, rgba(255, 255, 255, 0.05));
	color: var(--ink-bright, #fff);
	font-family: var(--font-mono, monospace);
	font-size: 0.78rem;
	transition:
		border-color 0.16s,
		background 0.16s;
}
.ls-input:hover {
	border-color: var(--stroke-strong, rgba(255, 255, 255, 0.14));
}
.ls-input:focus-visible {
	outline: 2px solid var(--ls-accent);
	outline-offset: 1px;
	border-color: transparent;
}
.ls-field-hint {
	color: var(--ink-dim, #888);
	font-size: 0.68rem;
	opacity: 0.75;
}

/* ── Actions ─────────────────────────────────────────────────────────────── */

.ls-actions {
	display: flex;
	align-items: center;
	gap: 0.6rem;
	flex-wrap: wrap;
	margin-top: 1rem;
}

.ls-run {
	display: inline-flex;
	align-items: center;
	gap: 0.4rem;
	flex: none;
	padding: 0.45rem 0.85rem;
	border: 1px solid var(--stroke-strong, rgba(255, 255, 255, 0.14));
	border-radius: var(--radius-md, 10px);
	background: var(--surface-3, rgba(255, 255, 255, 0.08));
	color: var(--ink-bright, #fff);
	font-size: 0.8rem;
	font-weight: 600;
	cursor: pointer;
	transition:
		transform 0.14s ease,
		background 0.16s,
		border-color 0.16s,
		opacity 0.16s;
}
.ls-run:hover:not(:disabled) {
	background: color-mix(in srgb, var(--ls-accent) 14%, transparent);
	border-color: color-mix(in srgb, var(--ls-accent) 45%, transparent);
}
.ls-run:active:not(:disabled) {
	transform: translateY(1px);
}
.ls-run:focus-visible {
	outline: 2px solid var(--ls-accent);
	outline-offset: 2px;
}
.ls-run:disabled {
	opacity: 0.55;
	cursor: progress;
}
.ls-run svg {
	width: 13px;
	height: 13px;
}

.ls-url {
	flex: 1 1 12rem;
	min-width: 0;
	color: var(--ink-dim, #888);
	font-family: var(--font-mono, monospace);
	font-size: 0.72rem;
	overflow-wrap: anywhere;
}

.ls-meta {
	display: inline-flex;
	align-items: center;
	gap: 0.45rem;
	flex: none;
	margin-left: auto;
	font-size: 0.71rem;
}
.ls-meta:empty {
	display: none;
}
.ls-pill {
	padding: 0.12rem 0.4rem;
	border-radius: var(--radius-pill, 999px);
	font-family: var(--font-mono, monospace);
	font-size: 0.66rem;
}
.ls-pill-ok {
	background: color-mix(in srgb, var(--success, #4ade80) 18%, transparent);
	color: var(--success, #4ade80);
}
.ls-pill-bad {
	background: color-mix(in srgb, var(--danger, #f87171) 18%, transparent);
	color: var(--danger, #f87171);
}
.ls-dim {
	color: var(--ink-dim, #888);
	font-family: var(--font-mono, monospace);
}

.ls-spinner {
	width: 12px;
	height: 12px;
	border-radius: 50%;
	border: 2px solid color-mix(in srgb, var(--ls-accent) 25%, transparent);
	border-top-color: var(--ls-accent);
	animation: ls-spin 0.7s linear infinite;
}
@keyframes ls-spin {
	to {
		transform: rotate(360deg);
	}
}

/* ── Result ──────────────────────────────────────────────────────────────── */

.ls-result:empty {
	display: none;
}

.ls-body {
	position: relative;
	margin-top: 0.85rem;
}
.ls-pre {
	max-height: 22rem;
	margin: 0;
	padding: 0.85rem 0.95rem;
	overflow: auto;
	border: 1px solid var(--stroke, rgba(255, 255, 255, 0.08));
	border-radius: var(--radius-md, 10px);
	background: var(--bg-0, #0a0a0a);
	font-family: var(--font-mono, monospace);
	font-size: 0.76rem;
	line-height: 1.65;
	white-space: pre;
	tab-size: 2;
}
.ls-pre code {
	background: none;
	padding: 0;
	font: inherit;
	color: var(--ink, #e8e8e8);
}
.ls-key {
	color: var(--ls-accent);
	opacity: 0.9;
}
.ls-str {
	color: var(--success, #4ade80);
}
.ls-num {
	color: var(--warn, #fbbf24);
}
.ls-lit {
	color: var(--danger, #f87171);
}

.ls-copy {
	position: absolute;
	top: 8px;
	right: 8px;
	display: inline-flex;
	align-items: center;
	gap: 0.3rem;
	padding: 0.26rem 0.5rem;
	border: 1px solid var(--stroke, rgba(255, 255, 255, 0.08));
	border-radius: var(--radius-sm, 6px);
	background: var(--surface-2, rgba(255, 255, 255, 0.05));
	color: var(--ink-dim, #888);
	font-family: var(--font-mono, monospace);
	font-size: 0.66rem;
	cursor: pointer;
	opacity: 0;
	transition:
		opacity 0.16s ease,
		color 0.16s,
		border-color 0.16s;
}
.ls-body:hover .ls-copy,
.ls-copy:focus-visible {
	opacity: 1;
}
.ls-copy:hover {
	color: var(--ink-bright, #fff);
	border-color: var(--stroke-strong, rgba(255, 255, 255, 0.14));
}
.ls-copy:focus-visible {
	outline: 2px solid var(--ls-accent);
	outline-offset: 2px;
}
.ls-copy.is-copied {
	color: var(--success, #4ade80);
	border-color: color-mix(in srgb, var(--success, #4ade80) 45%, transparent);
}
.ls-copy svg {
	width: 11px;
	height: 11px;
}
@media (hover: none) {
	.ls-copy {
		opacity: 1;
	}
}

/* ── Rendered asset ──────────────────────────────────────────────────────────
 * When a response carries the URL of a portrait or a GLB, the card mounts it
 * under the body so "what did the endpoint answer" and "what does that answer
 * look like" are one glance rather than two tabs. The frame keeps a stable
 * aspect box so the card does not jump as the asset streams in. */

.ls-asset {
	margin-top: 0.85rem;
}
.ls-asset-head {
	display: flex;
	align-items: baseline;
	gap: 0.5rem;
	flex-wrap: wrap;
	margin-bottom: 0.4rem;
}
.ls-asset-label {
	color: var(--ink-dim, #888);
	font-size: 0.7rem;
	letter-spacing: 0.04em;
	text-transform: uppercase;
}
.ls-asset-src {
	flex: 1 1 10rem;
	min-width: 0;
	color: var(--ink-dim, #888);
	font-family: var(--font-mono, monospace);
	font-size: 0.68rem;
	opacity: 0.7;
	overflow: hidden;
	text-overflow: ellipsis;
	white-space: nowrap;
}
.ls-asset-frame {
	position: relative;
	display: grid;
	place-items: center;
	aspect-ratio: 16 / 9;
	max-height: 20rem;
	overflow: hidden;
	border: 1px solid var(--stroke, rgba(255, 255, 255, 0.08));
	border-radius: var(--radius-md, 10px);
	background:
		radial-gradient(
			circle at 50% 38%,
			color-mix(in srgb, var(--ls-accent) 9%, transparent),
			transparent 62%
		),
		var(--bg-0, #0a0a0a);
}
.ls-asset-img {
	max-width: 100%;
	max-height: 100%;
	object-fit: contain;
}
.ls-asset-model {
	width: 100%;
	height: 100%;
	background: none;
	--poster-color: transparent;
}
.ls-asset-model:focus-visible {
	outline: 2px solid var(--ls-accent);
	outline-offset: -2px;
}
.ls-asset-hint {
	position: absolute;
	right: 0.55rem;
	bottom: 0.5rem;
	padding: 0.16rem 0.42rem;
	border-radius: var(--radius-pill, 999px);
	background: color-mix(in srgb, var(--bg-0, #0a0a0a) 72%, transparent);
	color: var(--ink-dim, #888);
	font-size: 0.64rem;
	pointer-events: none;
}
.ls-asset-fallback {
	color: var(--ink, #e8e8e8);
	font-size: 0.8rem;
	text-decoration: underline;
	text-underline-offset: 3px;
}
.ls-asset-fallback:focus-visible {
	outline: 2px solid var(--ls-accent);
	outline-offset: 3px;
}
.ls-asset-fail {
	margin: 0;
	padding: 0 1rem;
	color: var(--ink-dim, #888);
	font-size: 0.78rem;
	text-align: center;
}

.ls-note {
	display: flex;
	align-items: flex-start;
	gap: 0.4rem;
	margin: 0.7rem 0 0;
	font-size: 0.78rem;
	line-height: 1.6;
}
.ls-note svg {
	width: 13px;
	height: 13px;
	flex: none;
	margin-top: 0.2rem;
}
.ls-note.is-hint {
	color: var(--ink-dim, #888);
}
.ls-note.is-ok {
	color: var(--success, #4ade80);
}
.ls-note.is-error {
	color: var(--danger, #f87171);
}

/* ── Toolbar ─────────────────────────────────────────────────────────────── */

.ls-toolbar {
	display: flex;
	align-items: center;
	gap: 1rem;
	flex-wrap: wrap;
	margin: 2rem 0 0;
	padding: 0.85rem 1rem;
	border: 1px dashed var(--stroke-strong, rgba(255, 255, 255, 0.14));
	border-radius: var(--radius-lg, 14px);
	background: var(--surface-1, rgba(255, 255, 255, 0.03));
}
.ls-toolbar-text {
	flex: 1 1 16rem;
	color: var(--ink-dim, #888);
	font-size: 0.82rem;
	line-height: 1.55;
}
.ls-toolbar-text strong {
	color: var(--ink-bright, #fff);
}
.ls-run-all {
	margin-left: auto;
}

/* ── Responsive ──────────────────────────────────────────────────────────── */

@media (max-width: 640px) {
	.ls-card {
		padding: 1rem;
	}
	.ls-head {
		flex-wrap: wrap;
	}
	.ls-ref {
		order: 3;
	}
	.ls-field {
		min-width: 100%;
	}
	.ls-meta {
		margin-left: 0;
		width: 100%;
	}
	.ls-run,
	.ls-run-all {
		width: 100%;
		justify-content: center;
		margin-left: 0;
	}
	.ls-pre {
		font-size: 0.71rem;
	}
	.ls-asset-frame {
		aspect-ratio: 4 / 3;
	}
}

/* ── Motion opt-out ──────────────────────────────────────────────────────── */

@media (prefers-reduced-motion: reduce) {
	.ls-card,
	.ls-card::before,
	.ls-run,
	.ls-copy,
	.ls-ref,
	.ls-input {
		transition: none;
	}
	.ls-badge-dot,
	.ls-spinner {
		animation: none;
	}
	.ls-spinner {
		border-top-color: color-mix(in srgb, var(--ls-accent) 25%, transparent);
		background: var(--ls-accent);
	}
}