/*
Chrome shared by the scanner's pages and cards. Everything is scoped under
`.app`, whose container name the pages' container queries key off; design
tokens come from sendou.ink's app/styles/vars.css.
*/

.app {
	container: scanner / inline-size;

	/* the app's own buttons, kept at :where() specificity so any component
	   class overrides it without having to win an ordering race */
	& :where(button) {
		display: inline-flex;
		align-items: center;
		justify-content: center;
		gap: var(--s-1-5);
		border: var(--border-style-accent);
		border-radius: var(--radius-field);
		appearance: none;
		background: var(--color-text-accent);
		color: var(--color-text-inverse);
		cursor: pointer;
		font-family: inherit;
		font-size: var(--font-xs);
		font-weight: var(--weight-bold);
		padding: 0 var(--field-padding);
		height: var(--field-size-sm);
		white-space: nowrap;
		user-select: none;

		& > svg {
			width: 16px;
			height: 16px;
		}

		&:focus-visible {
			outline: var(--focus-ring);
			outline-offset: 1px;
		}

		&:active {
			transform: translateY(1px);
		}

		&:disabled {
			cursor: not-allowed;
			opacity: 0.5;
			transform: initial;
		}
	}
}

button.outlined {
	background: transparent;
	color: var(--color-text-accent);
}

/* secondary actions live behind this icon-only trigger, pushed to the row's end.
   Sized explicitly: it is a SendouButton, which brings a competing base look */
button.iconMenu {
	margin-inline-start: auto;
	width: var(--field-size-sm);
	height: var(--field-size-sm);
	border-radius: var(--radius-field);
	padding: 0;
	border: var(--border-style);
	background: var(--color-bg-higher);
	color: var(--color-text);

	&:hover {
		color: var(--color-text-accent);
	}

	& > svg {
		width: var(--field-size-icon);
		height: var(--field-size-icon);
		margin: 0;
	}
}

.controls {
	display: flex;
	gap: var(--s-2);
	align-items: center;
	margin-bottom: var(--s-3);
	flex-wrap: wrap;
}

.status {
	padding: var(--s-0-5) var(--s-3);
	border-radius: var(--radius-full);
	font-size: var(--font-2xs);
	font-weight: var(--weight-bold);
	border: var(--border-style);
}

.idle {
	color: var(--color-text-high);
}

.watching {
	color: var(--color-info-high);
	border-color: var(--color-info-low);
	background: var(--color-info-low);

	&::before {
		content: "";
		display: inline-block;
		width: 7px;
		height: 7px;
		border-radius: var(--radius-full);
		background: currentColor;
		margin-inline-end: var(--s-1-5);
		animation: scanner-pulse 1.6s ease-in-out infinite;
	}
}

.detected {
	display: inline-flex;
	align-items: center;
	gap: 5px;
	color: var(--color-success-high);
	border-color: var(--color-success-low);
	background: var(--color-success-low);
}

@keyframes scanner-pulse {
	50% {
		opacity: 0.25;
		transform: scale(0.8);
	}
}

.liveLayout {
	display: grid;
	grid-template-columns: minmax(320px, 640px) minmax(0, 1fr);
	gap: var(--s-4);
	align-items: start;
}

.preview {
	width: 100%;
	background: #000;
	border-radius: var(--radius-box);
	border: var(--border-width) solid var(--color-bg-high);
}

.feed {
	display: flex;
	flex-direction: column;
	gap: var(--s-3);
}

.score {
	color: var(--color-text-high);
	font-size: var(--font-2xs);
}

.error {
	color: var(--color-error);
}

.dropzone {
	border: var(--border-width) dashed var(--color-border-high);
	border-radius: var(--radius-box);
	padding: var(--s-8);
	text-align: center;
	color: var(--color-text-high);
	font-size: var(--font-sm);
	font-weight: var(--weight-semi);
	margin-bottom: var(--s-4);

	& label {
		display: inline;
		font-size: inherit;
		font-weight: inherit;
		margin-block-end: 0;
		text-decoration: underline;
		cursor: pointer;
	}
}

.over {
	border-color: var(--color-text-accent);
	color: var(--color-text-accent);
}

/* a 640px wide preview would starve the feed next to it: split evenly instead */
@container scanner (width < 1000px) {
	.liveLayout {
		grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
	}

	/* the controls wrap here, where a trigger pushed to the end reads as stray */
	button.iconMenu {
		margin-inline-start: 0;
	}
}

@container scanner (width < 700px) {
	.liveLayout {
		grid-template-columns: minmax(0, 1fr);
	}

	/* stacked, the preview would otherwise push the feed off the screen */
	.preview {
		max-height: 45vh;
		object-fit: contain;
	}
}

@media (prefers-reduced-motion: reduce) {
	.watching::before {
		animation: none;
	}
}