/* Background remover: wide editor (settings panel, photo, brushes). Colours come from tokens.css. */

.pdfe-bgr {
	/* Wider than the page column (up to 1360px), like the collage maker, never wider than the screen. */
	margin: 8px calc((100% - min(1360px, 100vw - 32px)) / 2) 0;
}

.pdfe-bgr .pdfe-tool-drop,
.pdfe-bgr > .pdfe-alert {
	max-width: 880px;
	margin: 0 auto 12px;
}

.pdfe-bgr__layout {
	display: grid;
	grid-template-columns: 320px minmax(0, 1fr);
	gap: 16px;
	padding: 14px;
	border: 1px solid var(--pdfe-border);
	border-radius: var(--pdfe-radius-lg);
	background: var(--pdfe-surface);
	box-shadow: var(--pdfe-shadow-sm);
	text-align: left;
}

/* ---- left panel ---------------------------------------------------------------------- */

.pdfe-bgr__panel {
	min-width: 0;
	max-height: calc(100vh - 140px);
	padding: 12px;
	border: 1px solid var(--pdfe-border);
	border-radius: var(--pdfe-radius);
	background: var(--pdfe-bg);
	overflow: auto;
}

.pdfe-bgr__section {
	margin: 0 0 12px;
	padding: 12px;
	border: 1px solid var(--pdfe-border);
	border-radius: var(--pdfe-radius-sm);
	background: var(--pdfe-surface);
}

.pdfe-bgr__section:last-child {
	margin-bottom: 0;
}

.pdfe-bgr__section legend {
	display: flex;
	align-items: center;
	padding: 0 6px;
	color: var(--pdfe-text);
	font-size: 14px;
	font-weight: 700;
}

.pdfe-bgr__section > * + * {
	margin-top: 10px;
}

.pdfe-bgr__label {
	color: var(--pdfe-text);
	font-size: 13px;
	font-weight: 650;
}

.pdfe-bgr__help {
	margin: 0;
	color: var(--pdfe-text-muted);
	font-size: 12.5px;
	line-height: 1.45;
}

.pdfe-bgr__field {
	display: grid;
	gap: 6px;
}

.pdfe-bgr__range {
	display: flex;
	align-items: center;
	gap: 10px;
}

.pdfe-bgr__range input {
	flex: 1;
	min-width: 0;
	accent-color: var(--pdfe-primary);
}

.pdfe-bgr__value {
	min-width: 34px;
	color: var(--pdfe-text-secondary);
	font-size: 13px;
	text-align: right;
}

.pdfe-bgr select {
	width: 100%;
	min-height: 38px;
	padding: 6px 10px;
	border: 1px solid var(--pdfe-border);
	border-radius: var(--pdfe-radius-sm);
	background: var(--pdfe-surface);
	color: var(--pdfe-text);
	font: inherit;
	font-size: 14px;
}

.pdfe-bgr select:focus-visible,
.pdfe-bgr input:focus-visible,
.pdfe-bgr button:focus-visible,
.pdfe-bgr__choice:focus-within,
.pdfe-bgr__canvas:focus-visible {
	outline: none;
	box-shadow: var(--pdfe-focus);
}

.pdfe-bgr__row {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 6px;
}

/* Photos */
.pdfe-bgr__thumbs {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(64px, 1fr));
	gap: 6px;
	max-height: 220px;
	margin: 0;
	padding: 0;
	overflow: auto;
	list-style: none;
}

.pdfe-bgr__thumb button {
	position: relative;
	display: block;
	width: 100%;
	aspect-ratio: 1;
	padding: 0;
	border: 2px solid transparent;
	border-radius: var(--pdfe-radius-sm);
	background: var(--pdfe-bg-light-blue);
	overflow: hidden;
	cursor: pointer;
}

.pdfe-bgr__thumb img {
	display: block;
	width: 100%;
	height: 100%;
	object-fit: cover;
}

.pdfe-bgr__thumb.is-current button {
	border-color: var(--pdfe-primary);
}

.pdfe-bgr__thumb-state {
	position: absolute;
	right: 0;
	bottom: 0;
	left: 0;
	padding: 1px 2px;
	background: var(--pdfe-primary);
	color: var(--pdfe-surface);
	font-size: 10.5px;
	font-weight: 700;
	text-align: center;
}

.pdfe-bgr__thumb.is-done .pdfe-bgr__thumb-state {
	background: var(--pdfe-success);
}

.pdfe-bgr__thumb.is-working .pdfe-bgr__thumb-state {
	background: var(--pdfe-accent);
	color: var(--pdfe-on-accent);
}

.pdfe-bgr__thumb.is-error .pdfe-bgr__thumb-state {
	background: var(--pdfe-danger);
}

/* AI model box */
.pdfe-bgr__model {
	margin: 0;
	color: var(--pdfe-text-secondary);
	font-size: 13.5px;
}

.pdfe-bgr__model strong {
	color: var(--pdfe-text);
}

.pdfe-bgr__working {
	margin: 0;
	color: var(--pdfe-warning);
	font-size: 13px;
	font-weight: 650;
}

.pdfe-bgr__progress {
	width: 100%;
	height: 8px;
	accent-color: var(--pdfe-accent);
}

/* Choice buttons (edge style, background, size) */
.pdfe-bgr__choices {
	display: flex;
	flex-wrap: wrap;
	gap: 6px;
}

.pdfe-bgr__choice {
	flex: 1 1 auto;
	padding: 7px 10px;
	border: 1px solid var(--pdfe-border);
	border-radius: var(--pdfe-radius-sm);
	background: var(--pdfe-surface);
	color: var(--pdfe-text);
	font-size: 13.5px;
	font-weight: 600;
	text-align: center;
	cursor: pointer;
}

.pdfe-bgr__choice:hover {
	border-color: var(--pdfe-text-muted);
}

.pdfe-bgr__choice.is-active {
	border-color: var(--pdfe-primary);
	background: var(--pdfe-primary);
	color: var(--pdfe-surface);
}

.pdfe-bgr__colour {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 8px;
}

.pdfe-bgr__colour input[type="color"] {
	width: 44px;
	height: 36px;
	padding: 2px;
	border: 1px solid var(--pdfe-border);
	border-radius: var(--pdfe-radius-sm);
	background: var(--pdfe-surface);
}

.pdfe-bgr__swatches {
	display: flex;
	flex-wrap: wrap;
	gap: 6px;
}

.pdfe-bgr__swatch {
	width: 26px;
	height: 26px;
	border: 1px solid var(--pdfe-border);
	border-radius: 50%;
	cursor: pointer;
}

.pdfe-bgr__swatch.is-active {
	box-shadow: 0 0 0 2px var(--pdfe-surface), 0 0 0 4px var(--pdfe-primary);
}

/* ---- photo area ------------------------------------------------------------------------ */

.pdfe-bgr__main {
	display: flex;
	flex-direction: column;
	gap: 10px;
	min-width: 0;
}

.pdfe-bgr__toolbar {
	display: grid;
	gap: 8px;
}

.pdfe-bgr__bar {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	justify-content: center;
	gap: 8px;
}

.pdfe-bgr__bar--brush.is-quiet {
	opacity: 0.6;
}

.pdfe-bgr__seg {
	display: inline-flex;
	border: 1px solid var(--pdfe-border);
	border-radius: var(--pdfe-radius-sm);
	overflow: hidden;
}

.pdfe-bgr__seg button {
	min-height: 34px;
	padding: 0 12px;
	border: 0;
	border-right: 1px solid var(--pdfe-border);
	background: var(--pdfe-surface);
	color: var(--pdfe-text);
	font: inherit;
	font-size: 13.5px;
	font-weight: 600;
	cursor: pointer;
}

.pdfe-bgr__seg button:last-child {
	border-right: 0;
}

.pdfe-bgr__seg button.is-active {
	background: var(--pdfe-primary);
	color: var(--pdfe-surface);
}

.pdfe-bgr__seg button:disabled {
	opacity: 0.5;
	cursor: not-allowed;
}

.pdfe-bgr__zoom {
	display: inline-flex;
	gap: 4px;
}

.pdfe-bgr__mini {
	display: inline-flex;
	align-items: center;
	gap: 6px;
	color: var(--pdfe-text-secondary);
	font-size: 13px;
	font-weight: 600;
}

.pdfe-bgr__mini input[type="range"] {
	width: 110px;
	accent-color: var(--pdfe-primary);
}

.pdfe-bgr__stage {
	position: relative;
	display: flex;
	align-items: center;
	justify-content: center;
	padding: 0;
	border-radius: var(--pdfe-radius);
	background: var(--pdfe-bg-soft-blue);
	overflow: hidden;
}

.pdfe-bgr__canvas {
	display: block;
	max-width: 100%;
	touch-action: none;
}

.pdfe-bgr__canvas.is-move {
	cursor: grab;
}

.pdfe-bgr__canvas.is-move:active {
	cursor: grabbing;
}

.pdfe-bgr__canvas.is-keep,
.pdfe-bgr__canvas.is-erase {
	cursor: crosshair;
}

.pdfe-bgr__overlay {
	position: absolute;
	left: 50%;
	bottom: 16px;
	max-width: calc(100% - 32px);
	padding: 8px 14px;
	border-radius: 999px;
	background: var(--pdfe-primary);
	color: var(--pdfe-surface);
	font-size: 14px;
	font-weight: 600;
	transform: translateX(-50%);
}

.pdfe-bgr__overlay.is-error {
	background: var(--pdfe-danger);
}

.pdfe-bgr__save {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	justify-content: center;
	gap: 10px;
	padding-top: 4px;
}

.pdfe-bgr__save select {
	width: auto;
	min-width: 200px;
}

.pdfe-bgr__save .pdfe-bgr__help,
.pdfe-bgr__save .pdfe-bgr__status {
	flex-basis: 100%;
	text-align: center;
}

.pdfe-bgr__status {
	margin: 8px 0 0;
	color: var(--pdfe-text-secondary);
	font-size: 14px;
	text-align: center;
}

.pdfe-bgr__status:empty {
	display: none;
}

/* ---- phones and small screens -------------------------------------------------------- */

@media (max-width: 900px) {
	.pdfe-bgr {
		margin-inline: 0;
	}

	.pdfe-bgr__layout {
		grid-template-columns: minmax(0, 1fr);
		padding: 8px;
	}

	.pdfe-bgr__main {
		order: -1;
	}

	.pdfe-bgr__panel {
		max-height: none;
	}

	.pdfe-bgr__mini input[type="range"] {
		width: 84px;
	}
}