/* ============================================================
   Process Map Builder — блок-схема процесса (Mermaid).
   Дизайн-система темы middletosenior.
   ============================================================ */

.pmb-map {
	--pmb-green: #01A97D;
	--pmb-ink: #1E1E1E;
	--pmb-muted: #6B7570;
	--pmb-line: #E9E9E9;
	--pmb-soft: #F6F7F4;
	margin: 2em 0;
	font-size: 1rem;
}

.pmb-map *,
.pmb-map *::before,
.pmb-map *::after {
	box-sizing: border-box;
}

/* ---------- Шапка ---------- */

.pmb-map__top {
	margin-bottom: 1.25em;
}

.pmb-map__title {
	margin: 0 0 0.375em;
	font-size: 1.375em;
	line-height: 1.25;
	font-weight: 700;
	letter-spacing: -0.02em;
	color: var(--pmb-ink);
}

.pmb-map__desc {
	margin: 0;
	font-size: 0.9375em;
	line-height: 1.6;
	color: var(--pmb-muted);
}

/* ---------- Контейнер диаграммы ---------- */

.pmb-map__mermaid {
	position: relative;
	margin: 0;
	padding: 1em;
	border: 1px solid var(--pmb-line);
	border-radius: 0.75em;
	background: #fff;
	overflow: hidden;
}

/* Исходник скрыт, показывается только в fallback-режиме (без Mermaid). */
.pmb-map__mermaid .pmb-map__source {
	display: none;
}

.pmb-map__mermaid--fallback .pmb-map__source {
	display: block;
	margin: 0;
	padding: 0;
	font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
	font-size: 0.8125em;
	line-height: 1.55;
	white-space: pre-wrap;
	word-break: break-word;
	color: var(--pmb-ink);
}

.pmb-map__mermaid--fallback .pmb-map__skeleton {
	display: none;
}

/* ---------- Скелетон-заглушка ---------- */

.pmb-map__skeleton {
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	gap: 0.75rem;
	padding: 1.25rem 0;
	min-height: 240px;
}

.pmb-map__skeleton-bar {
	display: block;
	height: 1.1rem;
	border-radius: 0.5rem;
	background: linear-gradient(90deg, #EEF1F0 25%, #F7F9F8 50%, #EEF1F0 75%);
	background-size: 200% 100%;
	animation: pmb-shimmer 1.4s ease-in-out infinite;
}

@keyframes pmb-shimmer {
	0% {
		background-position: 200% 0;
	}
	100% {
		background-position: -200% 0;
	}
}

/* ---------- Превью (pan/zoom внутри блока) ---------- */

.pmb-map__preview-viewport {
	position: relative;
	margin: 0 auto;
	width: 100%;
	overflow: hidden;
	border-radius: 0.375rem;
	cursor: grab;
	animation: pmb-fade-in 0.3s ease;
}

@keyframes pmb-fade-in {
	from {
		opacity: 0;
	}
	to {
		opacity: 1;
	}
}

.pmb-map__preview-viewport.is-dragging {
	cursor: grabbing;
}

.pmb-map__preview-stage {
	position: absolute;
	top: 0;
	left: 0;
	transform-origin: 0 0;
	user-select: none;
}

.pmb-map__preview-stage svg {
	display: block;
}

.pmb-map__preview-controls {
	position: absolute;
	top: 0.5rem;
	right: 0.5rem;
	display: flex;
	gap: 0.375rem;
	opacity: 0;
	transition: opacity 0.15s ease;
}

.pmb-map__mermaid:hover .pmb-map__preview-controls,
.pmb-map__mermaid:focus-within .pmb-map__preview-controls {
	opacity: 1;
}

/* ---------- Общая кнопка-иконка ---------- */

.pmb-map__ctrl {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 2rem;
	height: 2rem;
	border: 1px solid var(--pmb-line);
	border-radius: 0.5rem;
	background: #fff;
	color: var(--pmb-muted);
	font-size: 1.125rem;
	line-height: 1;
	cursor: pointer;
	box-shadow: 0 1px 3px rgba(30, 30, 30, 0.08);
	transition: color 0.15s ease, border-color 0.15s ease;
}

.pmb-map__ctrl:hover,
.pmb-map__ctrl:focus-visible {
	color: var(--pmb-green);
	border-color: var(--pmb-green);
	outline: none;
}

.pmb-map__ctrl svg {
	display: block;
}

/* ---------- Полноэкранный просмотр ---------- */

.pmb-map__noscroll {
	overflow: hidden;
}

.pmb-map__lightbox {
	position: fixed;
	inset: 0;
	z-index: 999999;
	display: flex;
	padding: 1.5rem;
	background: rgba(30, 30, 30, 0.78);
	overflow: auto;
	cursor: zoom-out;
}

.pmb-map__lightbox-inner {
	position: relative;
	display: flex;
	flex-direction: column;
	margin: auto;
	background: #fff;
	border-radius: 0.75rem;
	padding: 1rem;
	max-width: 96vw;
	cursor: default;
}

.pmb-map__lightbox-toolbar {
	display: flex;
	align-items: center;
	gap: 0.5rem;
	margin-bottom: 0.75rem;
}

.pmb-map__lightbox-close {
	margin-left: auto;
	border-radius: 50%;
	color: var(--pmb-ink);
}

.pmb-map__lightbox-viewport {
	position: relative;
	width: min(90vw, 1100px);
	height: 76vh;
	min-height: 320px;
	overflow: hidden;
	border: 1px solid var(--pmb-line);
	border-radius: 0.5rem;
	background: #fff;
	cursor: grab;
	touch-action: none;
}

.pmb-map__lightbox-viewport.is-dragging {
	cursor: grabbing;
}

.pmb-map__lightbox-stage {
	position: absolute;
	top: 0;
	left: 0;
	transform-origin: 0 0;
	user-select: none;
}

.pmb-map__lightbox-stage svg {
	display: block;
}