/* —— WP 块外壳：默认跟内容栏宽；wide/full 由核心 align 类处理 —— */
.wp-block-pilipost-mermaid {
	display: block;
	min-width: 0;
	box-sizing: border-box;
	clear: both;
}

/* 勿在块外壳写死 width/max-width:100%，否则编辑器里会冲掉 content-size */

/* 组件内部 token（主题可通过同名 --pili-* 覆盖） */
.wp-block-pilipost-mermaid,
.pilipost-mermaid {
	--pilipost-mermaid-border: rgba(148, 163, 184, 0.45);
	--pilipost-mermaid-surface: #fff;
	--pilipost-mermaid-toolbar-bg: rgba(248, 250, 252, 0.95);
	--pilipost-mermaid-muted: #64748b;
	--pilipost-mermaid-btn-border: rgba(148, 163, 184, 0.55);
	--pilipost-mermaid-btn-bg: #fff;
	--pilipost-mermaid-btn-hover: #f1f5f9;
	--pilipost-mermaid-btn-text: #334155;
	--pilipost-mermaid-stage-bg: #fafafa;
	--pilipost-mermaid-grid: rgba(148, 163, 184, 0.08);
	--pilipost-mermaid-radius: 12px;
	--pilipost-mermaid-focus: #6366f1;
}

.pili-article__content .wp-block-pilipost-mermaid,
.pili-article__content .pilipost-mermaid,
.entry-content .wp-block-pilipost-mermaid,
.entry-content .pilipost-mermaid {
	--pilipost-mermaid-border: var(--pili-color-border, rgba(148, 163, 184, 0.45));
	--pilipost-mermaid-surface: var(--pili-color-surface-muted, #fff);
	--pilipost-mermaid-toolbar-bg: var(--pili-color-surface, rgba(248, 250, 252, 0.95));
	--pilipost-mermaid-muted: var(--pili-color-text-secondary, #64748b);
	--pilipost-mermaid-btn-border: var(--pili-color-border, rgba(148, 163, 184, 0.55));
	--pilipost-mermaid-btn-bg: var(--pili-color-surface, #fff);
	--pilipost-mermaid-btn-hover: var(--pili-color-default, #f1f5f9);
	--pilipost-mermaid-btn-text: var(--pili-color-text, #334155);
	--pilipost-mermaid-stage-bg: var(--pili-color-surface-muted, #fafafa);
	--pilipost-mermaid-grid: color-mix(in srgb, var(--pili-color-border, #94a3b8) 35%, transparent);
	--pilipost-mermaid-radius: var(--pili-radius-xl, 12px);
	--pilipost-mermaid-focus: var(--pili-color-focus, #6366f1);
}

.wp-block-pilipost-mermaid.pilipost-mermaid,
.pilipost-mermaid {
	display: block;
	min-width: 0;
	box-sizing: border-box;
	overflow: hidden;
	border: 1px solid var(--pilipost-mermaid-border);
	border-radius: var(--pilipost-mermaid-radius);
	background: var(--pilipost-mermaid-surface);
	color: inherit;
	font: inherit;
}

.pilipost-mermaid--interactive {
	padding: 0;
}

/* legacy core/html 包裹：内层勿重复 margin */
.wp-block-html > .pilipost-mermaid:only-child {
	margin: 0;
}

.pilipost-mermaid__toolbar {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 0.75rem;
	padding: 0.5rem 0.75rem;
	border-bottom: 1px solid var(--pilipost-mermaid-border);
	background: var(--pilipost-mermaid-toolbar-bg);
	border-radius: var(--pilipost-mermaid-radius) var(--pilipost-mermaid-radius) 0 0;
}

.pilipost-mermaid__hint {
	color: var(--pilipost-mermaid-muted);
	font-size: 0.8125rem;
	line-height: 1.4;
	user-select: none;
}

.pilipost-mermaid__tools {
	display: inline-flex;
	align-items: center;
	gap: 0.35rem;
}

.pilipost-mermaid__btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-width: 2.5rem;
	height: 2rem;
	padding: 0 0.65rem;
	border: 1px solid var(--pilipost-mermaid-btn-border);
	border-radius: 8px;
	background: var(--pilipost-mermaid-btn-bg);
	color: var(--pilipost-mermaid-btn-text);
	font: inherit;
	font-size: 0.8125rem;
	font-weight: 500;
	line-height: 1.2;
	white-space: nowrap;
	cursor: pointer;
	transition: background 0.15s ease, border-color 0.15s ease;
}

.pilipost-mermaid__btn:hover {
	background: var(--pilipost-mermaid-btn-hover);
	border-color: var(--pilipost-mermaid-border);
}

.pilipost-mermaid__btn:focus-visible {
	outline: 2px solid var(--pilipost-mermaid-focus);
	outline-offset: 2px;
}

.pilipost-mermaid__stage {
	position: relative;
	width: 100%;
	height: auto;
	min-height: 160px;
	max-height: min(72vh, 720px);
	overflow: hidden;
	cursor: grab;
	touch-action: none;
	background:
		linear-gradient(90deg, var(--pilipost-mermaid-grid) 1px, transparent 1px),
		linear-gradient(var(--pilipost-mermaid-grid) 1px, transparent 1px),
		var(--pilipost-mermaid-stage-bg);
	background-size: 20px 20px;
	border-radius: 0 0 var(--pilipost-mermaid-radius) var(--pilipost-mermaid-radius);
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
}

.pilipost-mermaid--interactive:not(:has(.pilipost-mermaid__toolbar)) .pilipost-mermaid__stage {
	border-radius: var(--pilipost-mermaid-radius);
}

.pilipost-mermaid__stage.is-dragging {
	cursor: grabbing;
}

.pilipost-mermaid__canvas {
	display: block;
	width: 100%;
	height: 100%;
	min-width: 1px;
	min-height: 1px;
}

.pilipost-mermaid__canvas svg {
	display: block !important;
	width: 100% !important;
	height: 100% !important;
	max-width: none !important;
	visibility: visible;
	opacity: 1;
	shape-rendering: geometricPrecision;
	text-rendering: geometricPrecision;
}

.pilipost-mermaid pre.mermaid {
	margin: 0;
	padding: 0;
	border: 0;
	background: transparent;
	color: inherit;
	font: inherit;
	white-space: pre-wrap;
	word-break: break-word;
}

.pili-article__content .pilipost-mermaid pre.mermaid,
.entry-content .pilipost-mermaid pre.mermaid {
	font-family: var(--pili-font-mono, ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace);
	font-size: var(--pili-text-sm, 0.875rem);
	line-height: 1.5;
}

.pilipost-mermaid--rendered > pre.mermaid:has(> svg) {
	display: block;
	margin: 0;
	padding: 0;
	border: 0;
	background: transparent;
	white-space: normal;
	overflow: visible;
}

.pilipost-mermaid--rendered > pre.mermaid:not(:has(> svg)) {
	display: none;
}

.pilipost-mermaid svg,
.pilipost-mermaid > svg,
.pilipost-mermaid pre.mermaid svg {
	display: block;
	max-width: none;
	width: auto;
	height: auto;
	margin-inline: auto;
}

.pilipost-mermaid__error {
	margin: 0.75rem 0 0;
	padding: 0.5rem 0.75rem;
	border-radius: 8px;
	background: rgba(239, 68, 68, 0.08);
	color: #b91c1c;
	font-size: 0.875rem;
	line-height: 1.5;
}

.pilipost-mermaid__loading {
	margin: 0.75rem 0 0;
	padding: 0.5rem 0.75rem;
	border-radius: 8px;
	background: rgba(99, 102, 241, 0.08);
	color: #4338ca;
	font-size: 0.875rem;
	line-height: 1.5;
}

.pilipost-mermaid--error svg {
	display: none;
}

@media (max-width: 640px) {
	.pilipost-mermaid__hint {
		font-size: 0.75rem;
	}

	.pilipost-mermaid__stage {
		min-height: 140px;
		max-height: min(60vh, 520px);
	}
}