/* Compiles to assets/basalt/css/components/loaders.css, linked after basalt.css by
   the pages that use it. */
/* Everything that says "still working" lives here except the busy and
   refresh buttons, which stay with the button styles: a progress line on
   the top edge, placeholder shapes and the blocks that trade them for real
   content, a veil for a refreshing panel, a checklist of job steps, a
   search field with a spinner, waiting dots and a typing bubble. You can
   see them on loaders.html and cards.html. */
/* The progress line runs along the top of its container, or of the window
   with -fixed. is-active lets it creep ahead; is-done tops it up and lets
   it fade. */
.basalt-loadbar {
	--loadbar-value: 0;
	position: absolute;
	inset: 0 0 auto 0;
	z-index: 3;
	height: 3px;
	opacity: 0;
	pointer-events: none;
	transition: opacity 300ms ease 250ms;
}
.basalt-loadbar::before {
	content: "";
	position: absolute;
	inset: 0 auto 0 0;
	width: calc(var(--loadbar-value) * 1%);
	border-radius: 0 3px 3px 0;
	background: var(--basalt-grad, var(--basalt-hue));
	box-shadow: 0 0 8px color-mix(in srgb, var(--basalt-hue) 55%, transparent);
	transition: width 400ms cubic-bezier(0.2, 0.8, 0.2, 1);
}
.basalt-loadbar.is-active {
	opacity: 1;
	transition: none;
}
.basalt-loadbar.is-done {
	opacity: 0;
}
@media (prefers-reduced-motion: reduce) {
	.basalt-loadbar,
	.basalt-loadbar::before {
		transition: none;
	}
}
@media print {
	.basalt-loadbar {
		display: none;
	}
}

.basalt-loadbar-fixed {
	position: fixed;
	z-index: 1090;
}

/* Placeholder shapes hold the space of content that has not arrived. The
   shapes are -text, -title, -line (shorter with -sm), -circle, -block and
   -btn; a shimmer runs by default, -pulse breathes and -still holds. Size
   them inline or with utility classes. */
.basalt-skeleton {
	--skeleton-base: color-mix(in srgb, var(--basalt-copy) 9%, var(--basalt-plane));
	--skeleton-shine: color-mix(in srgb, var(--basalt-copy) 3%, var(--basalt-plane));
	display: block;
	height: 1rem;
	border-radius: 6px;
	background: linear-gradient(
			90deg,
			var(--skeleton-base) 0%,
			var(--skeleton-base) 35%,
			var(--skeleton-shine) 50%,
			var(--skeleton-base) 65%,
			var(--skeleton-base) 100%
		)
		0 0/300% 100%;
	animation: basalt-shimmer 1.6s linear infinite;
	/* In a right-to-left page the light sweeps the opposite way. */
}
[dir="rtl"] .basalt-skeleton {
	animation-direction: reverse;
}

.basalt-skeleton-text {
	height: 0.7rem;
	margin: 0.4rem 0;
}

.basalt-skeleton-title {
	width: 60%;
	height: 1rem;
	margin-bottom: 0.75rem;
}

.basalt-skeleton-circle {
	flex-shrink: 0;
	width: 2.5rem;
	height: 2.5rem;
	border-radius: 50%;
}

.basalt-skeleton-block {
	height: 8rem;
	border-radius: 12px;
}

.basalt-skeleton-btn {
	width: 7rem;
	height: 2.1rem;
	border-radius: 8px;
}

.basalt-skeleton-line {
	max-width: 100%;
	height: 0.8rem;
	border-radius: 999px;
}

.basalt-skeleton-sm {
	height: 0.6rem;
}

.basalt-skeleton-pulse,
.basalt-skeleton-still {
	background: var(--skeleton-base);
}

.basalt-skeleton-pulse {
	animation: basalt-skeleton-pulse 1.4s ease-in-out infinite;
}

.basalt-skeleton-still {
	animation: none;
}

/* Reduced motion trades the sweep for a slow breath; -still stays put. */
@media (prefers-reduced-motion: reduce) {
	.basalt-skeleton {
		background: var(--skeleton-base);
		animation: basalt-skeleton-pulse 2.4s ease-in-out infinite;
	}
	.basalt-skeleton-still {
		animation: none;
	}
}
@media print {
	.basalt-skeleton {
		animation: none;
	}
}
@keyframes basalt-shimmer {
	from {
		background-position: 100% 0;
	}
	to {
		background-position: 0 0;
	}
}
@keyframes basalt-skeleton-pulse {
	50% {
		opacity: 0.45;
	}
}
/* A loadable block carries a placeholder (-ghost) and the content (-real).
   With is-loading and aria-busy="true" only the placeholder shows. Once the
   class is gone the content rises, each child of -real waiting --i beats
   (0, 1, 2 and on) before it starts. */
.basalt-loadable.is-loading .basalt-loadable-real,
.basalt-loadable:not(.is-loading) .basalt-loadable-ghost {
	display: none;
}
.basalt-loadable:not(.is-loading) .basalt-loadable-real > * {
	animation: basalt-rise 420ms cubic-bezier(0.2, 0.8, 0.2, 1) both;
	animation-delay: calc(var(--i, 0) * 90ms);
}
@media (prefers-reduced-motion: reduce) {
	.basalt-loadable:not(.is-loading) .basalt-loadable-real > * {
		animation: none;
	}
}

@keyframes basalt-rise {
	from {
		transform: translateY(6px);
		opacity: 0;
	}
}
/* The veil covers a panel marked .basalt-loading-host; is-busy (with
   aria-busy) brings it up. The panel underneath does not move, so the
   layout never jumps. */
.basalt-loading-host {
	position: relative;
}

.basalt-loading-overlay {
	position: absolute;
	inset: 0;
	z-index: 2;
	display: grid;
	visibility: hidden;
	gap: 0.75rem;
	place-content: center;
	justify-items: center;
	padding: 1rem;
	border-radius: inherit;
	text-align: center;
	background: color-mix(in srgb, var(--basalt-plane) 82%, transparent);
	opacity: 0;
	backdrop-filter: blur(3px);
	transition:
		opacity 200ms ease,
		visibility 0s linear 200ms;
}
.basalt-loading-host.is-busy > .basalt-loading-overlay {
	visibility: visible;
	opacity: 1;
	transition: opacity 200ms ease;
}
@media (prefers-reduced-motion: reduce) {
	.basalt-loading-overlay {
		transition: none;
	}
}
@media print {
	.basalt-loading-overlay {
		display: none;
	}
}

.basalt-loading-overlay-text {
	margin: 0;
	font-size: 0.875rem;
	font-weight: 600;
	color: var(--basalt-copy);
}

/* A long job reads as a checklist. A step that waits shows a ring, the
   one at work (is-active) a spinner, a finished one (is-done) a check. */
.basalt-stages {
	display: grid;
	gap: 0.2rem;
	margin: 0;
	padding: 0;
	list-style: none;
}

.basalt-stages-item {
	display: grid;
	gap: 0.8rem;
	grid-template-columns: 1.5rem minmax(0, 1fr) auto;
	align-items: center;
	padding: 0.6rem 0.75rem;
	border-radius: 10px;
	font-size: 0.875rem;
	color: color-mix(in srgb, var(--basalt-copy-muted) 72%, var(--basalt-copy));
	transition:
		background-color 200ms ease,
		color 200ms ease;
}
.basalt-stages-item .spinner-border {
	--bs-spinner-height: 1.1rem;
	--bs-spinner-width: 1.1rem;
	--bs-spinner-border-width: 0.16em;
}
.basalt-stages-item {
	/* Exactly one mark shows, picked by the step's state. */
}
.basalt-stages-item:not(.is-active):not(.is-done) .basalt-stages-wait,
.basalt-stages-item.is-active .spinner-border,
.basalt-stages-item.is-done .bi {
	display: block;
}
.basalt-stages-item.is-active {
	font-weight: 600;
	color: var(--basalt-copy);
	background: var(--basalt-hue-soft);
}
.basalt-stages-item.is-active .basalt-stages-time {
	color: var(--basalt-copy-body);
}
.basalt-stages-item.is-done {
	color: var(--basalt-copy-body);
}
.basalt-stages-item.is-done .bi {
	font-size: 1.1rem;
	color: color-mix(in srgb, var(--basalt-success) 62%, var(--basalt-copy));
}
@media (prefers-reduced-motion: reduce) {
	.basalt-stages-item {
		transition: none;
	}
}

/* The icon slot hides all three marks until a state rule picks one. */
.basalt-stages-icon {
	display: inline-grid;
	place-items: center;
	width: 1.5rem;
	height: 1.5rem;
}
.basalt-stages-icon > * {
	display: none;
}

.basalt-stages-wait {
	width: 0.9rem;
	height: 0.9rem;
	border: 2px solid var(--basalt-edge-strong);
	border-radius: 50%;
}

.basalt-stages-time {
	font-weight: 400;
	font-size: 0.76rem;
	color: color-mix(in srgb, var(--basalt-copy-muted) 72%, var(--basalt-copy));
}

/* A search field shows a spinner at its far end while results are on the
   way; put is-loading on the wrapper. */
.basalt-search-loading {
	position: relative;
}
.basalt-search-loading > .bi,
.basalt-search-loading > .spinner-border {
	position: absolute;
	top: 50%;
	transform: translateY(-50%);
	pointer-events: none;
}
.basalt-search-loading > .bi {
	left: 0.85rem;
	color: color-mix(in srgb, var(--basalt-copy-muted) 72%, var(--basalt-copy));
}
.basalt-search-loading > .form-control {
	padding-right: 2.4rem;
	padding-left: 2.4rem;
}
.basalt-search-loading > .spinner-border {
	--bs-spinner-height: 1rem;
	--bs-spinner-width: 1rem;
	--bs-spinner-border-width: 0.15em;
	right: 0.85rem;
	transform: none;
	margin-top: -0.5rem;
	opacity: 0;
	transition: opacity 150ms ease;
}
.basalt-search-loading.is-loading > .spinner-border {
	opacity: 1;
}
.basalt-search-loading.is-loading {
	/* The browser's own clear button would sit under the spinner. */
}
.basalt-search-loading.is-loading > .form-control::-webkit-search-cancel-button {
	display: none;
}
@media (prefers-reduced-motion: reduce) {
	.basalt-search-loading > .spinner-border {
		transition: none;
	}
}

/* Three dots fill a short wait, inline with text or alone. -pulse fades
   them rather than bouncing, -sm and -lg resize them, -muted and -success
   recolor them. */
.basalt-loading-dots {
	--loading-dots-size: 0.5rem;
	display: inline-flex;
	gap: calc(var(--loading-dots-size) * 0.6);
	align-items: center;
	height: calc(var(--loading-dots-size) * 2);
	color: var(--basalt-hue);
}
.basalt-loading-dots > span:not(.visually-hidden) {
	width: var(--loading-dots-size);
	height: var(--loading-dots-size);
	border-radius: 50%;
	background: currentColor;
	animation: basalt-loading-dots-bounce 1.1s ease-in-out infinite;
}
.basalt-loading-dots > .visually-hidden {
	color: var(--basalt-copy);
	background: var(--basalt-plane);
}
.basalt-loading-dots > span:nth-child(2) {
	animation-delay: 170ms;
}
.basalt-loading-dots > span:nth-child(3) {
	animation-delay: 0.3s;
}

.basalt-loading-dots-sm {
	--loading-dots-size: 0.3rem;
}

.basalt-loading-dots-lg {
	--loading-dots-size: 0.75rem;
}

.basalt-loading-dots-pulse > span:not(.visually-hidden) {
	animation-name: basalt-loading-dots-pulse;
}

.basalt-loading-dots-muted {
	color: var(--basalt-copy-muted);
}

.basalt-loading-dots-success {
	color: var(--basalt-success);
}

/* Without motion the dots still read as busy: they fade where they are. */
@media (prefers-reduced-motion: reduce) {
	.basalt-loading-dots > span:not(.visually-hidden) {
		animation: basalt-loading-dots-calm 2s ease-in-out infinite;
	}
}
@media print {
	.basalt-loading-dots > span:not(.visually-hidden) {
		animation: none;
	}
}
@keyframes basalt-loading-dots-bounce {
	0%,
	60%,
	100% {
		transform: translateY(0);
		opacity: 0.45;
	}
	30% {
		transform: translateY(-45%);
		opacity: 1;
	}
}
@keyframes basalt-loading-dots-pulse {
	0%,
	100% {
		transform: scale(0.8);
		opacity: 0.3;
	}
	50% {
		transform: scale(1);
		opacity: 1;
	}
}
@keyframes basalt-loading-dots-calm {
	0%,
	100% {
		opacity: 0.35;
	}
	50% {
		opacity: 1;
	}
}
/* The typing bubble is a chat message with smaller, quieter dots in it. */
.basalt-typing {
	display: inline-flex;
	align-items: center;
	padding: 0.7rem 0.9rem;
	border: 1px solid var(--basalt-edge);
	border-radius: 16px 16px 16px 4px;
	background: var(--basalt-plane-alt);
}
.basalt-typing .basalt-loading-dots {
	--loading-dots-size: 0.4rem;
	color: var(--basalt-copy-muted);
}