/**
 * Masonry Collage Builder — front-end styles.
 *
 * Scoped under .mcb-builder to avoid theme collisions.
 *
 * @package MasonryCollageBuilder
 */

/* ================================================================
   Reset / base
   ================================================================ */
.mcb-builder {
	--mcb-primary:   #2271b1;
	--mcb-primary-h: #135e96;
	--mcb-success:   #00a32a;
	--mcb-danger:    #d63638;
	--mcb-gray-50:   #f6f7f7;
	--mcb-gray-100:  #f0f0f1;
	--mcb-gray-200:  #dcdcde;
	--mcb-gray-400:  #a7aaad;
	--mcb-gray-600:  #50575e;
	--mcb-gray-900:  #1d2327;
	--mcb-radius:    6px;

	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
	font-size: 14px;
	line-height: 1.5;
	color: var(--mcb-gray-900);
	max-width: 1200px;
	margin: 0 auto;
}

.mcb-builder *,
.mcb-builder *::before,
.mcb-builder *::after {
	box-sizing: border-box;
}

/* Screen-reader only */
.mcb-sr-only {
	position: absolute;
	width: 1px;
	height: 1px;
	padding: 0;
	margin: -1px;
	overflow: hidden;
	clip: rect(0, 0, 0, 0);
	white-space: nowrap;
	border: 0;
}

/* ================================================================
   Notice (permission gate)
   ================================================================ */
.mcb-notice {
	background: var(--mcb-gray-50);
	border: 1px solid var(--mcb-gray-200);
	border-radius: var(--mcb-radius);
	padding: 24px;
	text-align: center;
	color: var(--mcb-gray-600);
}

/* ================================================================
   Buttons — explicit colors on every state to survive theme overrides
   ================================================================ */
.mcb-builder .mcb-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	padding: 8px 16px;
	font-size: 13px;
	font-weight: 500;
	line-height: 1.4;
	border: 1px solid var(--mcb-gray-200);
	border-radius: var(--mcb-radius);
	background: #fff;
	color: var(--mcb-gray-900);
	cursor: pointer;
	transition: background 0.15s, border-color 0.15s, color 0.15s;
	gap: 6px;
	white-space: nowrap;
}

.mcb-builder .mcb-btn:hover,
.mcb-builder .mcb-btn:focus {
	background: var(--mcb-gray-100);
	border-color: var(--mcb-gray-400);
	color: var(--mcb-gray-900);
}

.mcb-builder .mcb-btn--primary {
	background: var(--mcb-primary);
	border-color: var(--mcb-primary);
	color: #fff;
}

.mcb-builder .mcb-btn--primary:hover,
.mcb-builder .mcb-btn--primary:focus {
	background: var(--mcb-primary-h);
	border-color: var(--mcb-primary-h);
	color: #fff;
}

.mcb-builder .mcb-btn--danger {
	background: #fff;
	border-color: var(--mcb-danger);
	color: var(--mcb-danger);
}

.mcb-builder .mcb-btn--danger:hover,
.mcb-builder .mcb-btn--danger:focus {
	background: #fcf0f1;
	border-color: var(--mcb-danger);
	color: var(--mcb-danger);
}

.mcb-builder .mcb-btn--small {
	padding: 4px 10px;
	font-size: 12px;
}

/* ================================================================
   Dropzone
   ================================================================ */
.mcb-dropzone {
	border: 2px dashed var(--mcb-gray-200);
	border-radius: var(--mcb-radius);
	padding: 48px 24px;
	text-align: center;
	transition: border-color 0.2s, background 0.2s, padding 0.3s;
	margin-bottom: 16px;
}

.mcb-dropzone--hover {
	border-color: var(--mcb-primary);
	background: #f0f6fc;
}

.mcb-dropzone__inner {
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 8px;
}

.mcb-dropzone__icon {
	color: var(--mcb-gray-400);
}

.mcb-dropzone__title {
	font-size: 16px;
	font-weight: 600;
	margin: 0;
}

.mcb-dropzone__or {
	color: var(--mcb-gray-400);
	font-size: 13px;
	margin: 0;
}

.mcb-dropzone__hint {
	color: var(--mcb-gray-400);
	font-size: 12px;
	margin: 4px 0 0;
}

/* Compact dropzone (images already added) */
.mcb-dropzone--compact {
	padding: 16px 24px;
}

.mcb-dropzone--compact .mcb-dropzone__icon,
.mcb-dropzone--compact .mcb-dropzone__title,
.mcb-dropzone--compact .mcb-dropzone__or,
.mcb-dropzone--compact .mcb-dropzone__hint {
	display: none;
}

.mcb-dropzone--compact .mcb-dropzone__inner {
	flex-direction: row;
	justify-content: center;
}

/* ================================================================
   Thumbnails strip
   ================================================================ */
.mcb-thumbnails {
	margin-bottom: 16px;
}

.mcb-thumbnails__header {
	display: flex;
	align-items: center;
	justify-content: space-between;
	margin-bottom: 8px;
}

.mcb-thumbnails__count {
	font-size: 13px;
	font-weight: 600;
	color: var(--mcb-gray-600);
}

.mcb-thumbnails__list {
	display: flex;
	gap: 8px;
	overflow-x: auto;
	padding-bottom: 8px;
}

.mcb-thumbnails__list::-webkit-scrollbar {
	height: 6px;
}
.mcb-thumbnails__list::-webkit-scrollbar-thumb {
	background: var(--mcb-gray-200);
	border-radius: 3px;
}

/* ================================================================
   Thumbnail item
   ================================================================ */
.mcb-thumb {
	position: relative;
	flex: 0 0 80px;
	width: 80px;
	height: 80px;
	border-radius: 4px;
	overflow: hidden;
	cursor: grab;
	border: 2px solid transparent;
	transition: border-color 0.15s, opacity 0.15s, transform 0.15s;
}

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

.mcb-thumb--dragging {
	opacity: 0.4;
}

.mcb-thumb--over {
	border-color: var(--mcb-primary);
	transform: scale(1.05);
}

.mcb-thumb__remove {
	position: absolute;
	top: 2px;
	right: 2px;
	width: 22px;
	height: 22px;
	border: none;
	border-radius: 50%;
	background: rgba(0, 0, 0, 0.6);
	color: #fff;
	font-size: 14px;
	line-height: 20px;
	text-align: center;
	cursor: pointer;
	opacity: 0;
	transition: opacity 0.15s;
	padding: 0;
}

.mcb-thumb:hover .mcb-thumb__remove {
	opacity: 1;
}

/* ================================================================
   Workspace (controls above + preview below)
   ================================================================ */
.mcb-workspace {
	display: flex;
	flex-direction: column;
	gap: 16px;
	margin-bottom: 16px;
}

/* ================================================================
   Controls toolbar (3-column grid above the preview)
   ================================================================ */
.mcb-controls {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 12px;
}

@media (max-width: 900px) {
	.mcb-controls {
		grid-template-columns: repeat(2, 1fr);
	}
}

@media (max-width: 600px) {
	.mcb-controls {
		grid-template-columns: 1fr;
	}
}

.mcb-controls__section {
	border: 1px solid var(--mcb-gray-100);
	border-radius: var(--mcb-radius);
	padding: 14px;
	margin: 0;
}

.mcb-controls__heading {
	font-size: 13px;
	font-weight: 700;
	text-transform: uppercase;
	letter-spacing: 0.04em;
	color: var(--mcb-gray-600);
	margin: 0 0 10px;
	padding: 0;
}

/* ── Orientation tabs ─────────────────────────────── */
.mcb-tabs {
	display: flex;
	gap: 0;
	margin-bottom: 10px;
	border: 1px solid var(--mcb-gray-200);
	border-radius: 4px;
	overflow: hidden;
}

.mcb-builder .mcb-tab {
	flex: 1;
	padding: 6px 4px;
	font-size: 12px;
	font-weight: 500;
	border: none;
	border-right: 1px solid var(--mcb-gray-200);
	background: #fff;
	color: var(--mcb-gray-600);
	cursor: pointer;
	text-align: center;
	transition: background 0.15s, color 0.15s;
}

.mcb-builder .mcb-tab:last-child {
	border-right: none;
}

.mcb-builder .mcb-tab:hover {
	background: var(--mcb-gray-50);
	color: var(--mcb-gray-900);
}

.mcb-builder .mcb-tab--active {
	background: var(--mcb-primary);
	color: #fff;
}

.mcb-builder .mcb-tab--active:hover {
	background: var(--mcb-primary-h);
	color: #fff;
}

/* ── Presets (3 columns) ──────────────────────────── */
.mcb-presets__group {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 6px;
	margin-bottom: 12px;
}

.mcb-builder .mcb-preset {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	padding: 5px 3px;
	font-size: 11px;
	border: 1px solid var(--mcb-gray-200);
	border-radius: 4px;
	background: #fff;
	color: var(--mcb-gray-900);
	cursor: pointer;
	transition: background 0.15s, border-color 0.15s, color 0.15s;
}

.mcb-builder .mcb-preset:hover {
	border-color: var(--mcb-primary);
	background: #f0f6fc;
	color: var(--mcb-gray-900);
}

.mcb-builder .mcb-preset--active {
	background: var(--mcb-primary);
	border-color: var(--mcb-primary);
	color: #fff;
}

.mcb-builder .mcb-preset--active:hover {
	background: var(--mcb-primary-h);
	border-color: var(--mcb-primary-h);
	color: #fff;
}

/* ── Control rows ─────────────────────────────────── */
.mcb-controls__row {
	display: flex;
	gap: 8px;
}

.mcb-controls__row .mcb-label {
	flex: 1;
}

/* ── Labels + inputs ──────────────────────────────── */
.mcb-label {
	display: flex;
	flex-direction: column;
	gap: 4px;
	margin-bottom: 10px;
	font-size: 13px;
	color: var(--mcb-gray-600);
}

.mcb-label > span {
	font-weight: 500;
}

.mcb-label--range {
	flex-direction: row;
	flex-wrap: wrap;
	align-items: center;
}

.mcb-label--range > span {
	flex: 0 0 70px;
}

.mcb-label--range input[type="range"] {
	flex: 1;
	min-width: 80px;
}

.mcb-label--range output {
	flex: 0 0 50px;
	text-align: right;
	font-variant-numeric: tabular-nums;
	font-size: 12px;
}

/* Prevent HTML5 drag from hijacking range slider thumbs */
.mcb-builder input[type="range"] {
	-webkit-user-drag: none;
}

.mcb-input {
	width: 100%;
	padding: 6px 8px;
	font-size: 13px;
	border: 1px solid var(--mcb-gray-200);
	border-radius: 4px;
	background: #fff;
	color: var(--mcb-gray-900);
}

.mcb-input:focus {
	outline: none;
	border-color: var(--mcb-primary);
	box-shadow: 0 0 0 1px var(--mcb-primary);
}

/* Select dropdown */
.mcb-builder select.mcb-input {
	appearance: auto;
	cursor: pointer;
}

/* Color input */
.mcb-builder input[type="color"] {
	-webkit-appearance: none;
	appearance: none;
	width: 100%;
	height: 32px;
	padding: 2px;
	border: 1px solid var(--mcb-gray-200);
	border-radius: 4px;
	cursor: pointer;
}

.mcb-builder input[type="color"]::-webkit-color-swatch-wrapper {
	padding: 0;
}

.mcb-builder input[type="color"]::-webkit-color-swatch {
	border: none;
	border-radius: 2px;
}

/* ── Action buttons (inside Export section) ───────── */
.mcb-controls__actions {
	display: flex;
	flex-direction: column;
	gap: 8px;
	margin-top: 12px;
	padding-top: 12px;
	border-top: 1px solid var(--mcb-gray-100);
}

.mcb-controls__actions .mcb-btn {
	width: 100%;
}

/* ================================================================
   Preview area — dominates the page, looks like the final export
   ================================================================ */
.mcb-preview {
	display: flex;
	align-items: center;
	justify-content: center;
	background:
		/* subtle checkerboard to show transparency / frame the canvas */
		repeating-conic-gradient(var(--mcb-gray-100) 0% 25%, #fff 0% 50%) 0 0 / 16px 16px;
	border: 1px solid var(--mcb-gray-200);
	border-radius: var(--mcb-radius);
	padding: 20px;
	min-height: 400px;
	overflow: auto;
}

.mcb-preview canvas {
	max-width: 100%;
	height: auto;
	display: block;
	border-radius: 2px;
	box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
}

/* ================================================================
   Status bar
   ================================================================ */
.mcb-status {
	padding: 10px 16px;
	border-radius: var(--mcb-radius);
	font-size: 13px;
	margin-top: 12px;
}

.mcb-status a {
	color: inherit;
	font-weight: 600;
	text-decoration: underline;
}

.mcb-status--info {
	background: #f0f6fc;
	color: var(--mcb-primary);
	border: 1px solid #c5d9ed;
}

.mcb-status--success {
	background: #edfaef;
	color: #006908;
	border: 1px solid #a7d5a7;
}

.mcb-status--error {
	background: #fcf0f1;
	color: var(--mcb-danger);
	border: 1px solid #f0b8b8;
}

/* ================================================================
   Hidden attribute override (WordPress themes sometimes break it)
   ================================================================ */
.mcb-builder [hidden] {
	display: none !important;
}