/* The design system both reduck.ai subdomains are built on: the app's components restated as
   plain CSS, so a class name here is the `type` or `model` prop there. A site adds only its own
   chrome on top (its bar, its panel, its footer). */

/* ---------------------------------------------------------------- buttons and links */

.btn {
	align-items: center;
	cursor: pointer;
	display: inline-flex;
	font-weight: 500;
	gap: 0.4em;
	justify-content: center;
	max-height: var(--button-height);
	min-height: var(--button-height);
	text-align: center;
	text-decoration: none;
	transition:
		background 200ms,
		border-color 200ms,
		color 200ms;
	white-space: nowrap;
	width: fit-content;
}

.btn.small {
	--button-height: 28px;

	border-radius: 8px;
	font-size: var(--font-size-small);
	padding: 0 8px;
}

.btn.medium {
	--button-height: 32px;

	border-radius: 10px;
	font-size: var(--font-size-body);
	padding: 0 12px;
}

.btn.large {
	--button-height: 40px;

	border-radius: 12px;
	font-size: var(--font-size-body);
	padding: 0 16px;
}

/* An icon-only button is square rather than a short pill. */
.btn.icon-only {
	min-width: var(--button-height);
	padding: 0;
}

.btn-primary {
	background: var(--color-orange-400);
	color: var(--color-grey-900);
}

.btn-primary:hover,
.btn-primary:focus-visible {
	background: var(--color-orange-500);
}

.btn-primary:active {
	background: var(--color-orange-600);
}

.btn-secondary {
	background: var(--color-grey-900);
	border: 1px solid var(--color-grey-600);
	color: var(--text-color);
}

.btn-secondary:hover,
.btn-secondary:focus-visible {
	background: var(--color-grey-700);
	border-color: var(--color-grey-500);
}

.btn-secondary:active {
	background: var(--color-grey-600);
	border-color: var(--color-grey-500);
}

.btn-ghost {
	color: var(--text-color);
}

.btn-ghost:hover,
.btn-ghost:focus-visible {
	background: var(--color-grey-700);
}

.btn-ghost:active,
.btn-ghost.toggled {
	background: var(--color-grey-600);
}

.btn .icon {
	flex-shrink: 0;
	height: 1em;
	width: 1em;
}

/* A brand mark is drawn on a viewBox of its own and is rarely square, so its width follows its
   height rather than being forced to match it. */
.icon.brand {
	height: 1em;
	width: auto;
}

.tag {
	align-items: center;
	border-radius: 20px;
	display: inline-flex;
	font-size: 0.9em;
	font-weight: 500;
	gap: 4px;
	justify-content: center;
	line-height: 1.5em;
	padding: 2px 8px;
	white-space: nowrap;
	width: fit-content;
}

.tag.neutral {
	background: var(--color-grey-700);
	color: var(--color-grey-0);
}

/* ---------------------------------------------------------------- code */

.code-block {
	background: var(--color-grey-800);
	border: 1px solid var(--hairline);
	border-radius: 8px;
	display: flex;
	margin: 0 0 20px;
	overflow: hidden;
	padding: 16px 42px 16px 24px;
	position: relative;
}

.code-block pre {
	color: var(--color-grey-100);
	flex: 1;
	font-family: var(--font-mono);
	font-size: var(--font-size-body);
	line-height: 1.6;
	margin: 0;
	min-width: 0;
	overflow: auto;
	tab-size: 4;
	white-space: pre;
}

.code-block .copy {
	align-items: center;
	border-radius: 8px;
	color: var(--text-color);
	display: inline-flex;
	height: 28px;
	justify-content: center;
	position: absolute;
	right: 8px;
	top: 12px;
	transition: background 200ms;
	width: 28px;
}

.code-block .copy:hover {
	background: var(--color-grey-700);
}

.code-block .copy .icon {
	height: 12px;
	width: 12px;
}

/* Rouge's token classes, mapped onto the colours `$lib/components/system/CodeBlock.svelte`
   gives Prism's. Only the tokens the four highlighted languages emit are named. */
.code-block .c,
.code-block .c1,
.code-block .cm,
.code-block .cd,
.code-block .cp {
	color: var(--color-grey-400);
}

.code-block .s,
.code-block .s1,
.code-block .s2,
.code-block .se,
.code-block .sb,
.code-block .sx,
.code-block .dl,
.code-block .sa {
	color: var(--color-blue-300);
}

.code-block .k,
.code-block .kd,
.code-block .kn,
.code-block .kr,
.code-block .kc,
.code-block .kt,
.code-block .kp,
.code-block .nb,
.code-block .bp {
	color: var(--color-purple-300);
}

.code-block .nf,
.code-block .nc,
.code-block .nx,
.code-block .py,
.code-block .na,
.code-block .nt {
	color: var(--color-green-300);
}

.code-block .m,
.code-block .mi,
.code-block .mf,
.code-block .mh,
.code-block .nv,
.code-block .vg,
.code-block .no {
	color: var(--color-orange-300);
}

.code-block .p,
.code-block .o,
.code-block .ow {
	color: var(--color-grey-300);
}

/* ---------------------------------------------------------------- callouts */

.banner {
	border-radius: 8px;
	display: flex;
	gap: 12px;
	margin: 0 0 20px;
	padding: 8px 12px;
	text-align: left;
	width: 100%;
}

.banner .banner-icon {
	flex-shrink: 0;
	height: 16px;
	margin-top: 4px;
	width: 16px;
}

.banner .banner-content {
	color: var(--color-grey-50);
	display: flex;
	flex: 1;
	flex-direction: column;
	font-size: var(--font-size-body);
	gap: 4px;
	line-height: 1.5;
	min-width: 0;
}

.banner .banner-content p {
	margin: 0;
}

.banner .banner-content p + p {
	margin-top: 12px;
}

.banner .banner-content a {
	color: inherit;
	font-weight: 500;
	text-decoration: underline;
}

.banner .banner-content code {
	background: rgb(0 0 0 / 0.25);
	border-radius: 4px;
	font-family: var(--font-mono);
	font-size: var(--font-size-small);
	padding: 2px 6px;
}

.banner.info {
	background: var(--color-blue-500-translucent-18);
}

.banner.info .banner-icon {
	color: var(--color-blue-400);
}

.banner.success {
	background: var(--color-green-500-translucent-18);
}

.banner.success .banner-icon {
	color: var(--color-green-400);
}

.banner.warning {
	background: var(--color-yellow-500-translucent-18);
}

.banner.warning .banner-icon {
	color: var(--color-yellow-400);
}

.banner.danger {
	background: var(--color-red-500-translucent-18);
}

.banner.danger .banner-icon {
	color: var(--color-red-400);
}

/* ---------------------------------------------------------------- numbered steps */

/* A run of numbered lines: a numeral per step, joined by a rail. The type is the surrounding
   prose's, so a step reads like the paragraph above it. A `.steps` list and any `ol` in prose are
   the same thing on the two sites, so they share this one rule. */
:is(.steps, .prose ol) {
	counter-reset: step;
	display: flex;
	flex-direction: column;
	list-style: none;
	margin: 0 0 1em;
	padding: 0;
}

:is(.steps, .prose ol) > li {
	counter-increment: step;
	margin: 0;
	padding: 0.4lh 0 0.4lh 1.6lh;
	position: relative;
}

/* An outline on the page colour, so the rail passes behind the numeral rather than through it.
   Sized in `lh` at the step's own font size: a smaller numeral would shrink the circle with it. */
:is(.steps, .prose ol) > li::before {
	align-items: center;
	background: var(--background-color);
	border: 1px solid var(--color-grey-600);
	border-radius: 50%;
	box-sizing: border-box;
	color: var(--color-grey-300);
	content: counter(step);
	display: flex;
	font-weight: 600;
	height: 1lh;
	justify-content: center;
	left: 0;
	position: absolute;
	top: 0.4lh;
	width: 1lh;
	z-index: var(--z-foreground);
}

:is(.steps, .prose ol) > li:not(:last-child)::after {
	background: var(--color-grey-700);
	bottom: -0.4lh;
	content: "";
	left: 0.5lh;
	position: absolute;
	top: 0.4lh;
	width: 1px;
}