/*
 * 复原流程节点图（Cube 公用样式）
 * ---------------------------------------------------------------------------
 * 训练场首页的「节点连线」选择界面：一张平面上的节点散点图，
 * 用户点两个节点即连成一条要练的路径（起点→终点），可再点中间节点加入分段。
 *
 * 口径：设计令牌 dsk-* 必须先于本文件；配色随站点深/浅色。
 */

.gpWrap {
	position: relative;
	width: 100%;
	border-radius: var(--dsk-radius-lg);
	border: 1px solid var(--dsk-card-border);
	background:
		radial-gradient(circle at 22% 18%, rgba(107, 93, 194, 0.16), transparent 55%),
		radial-gradient(circle at 78% 76%, rgba(36, 240, 234, 0.10), transparent 58%),
		var(--dsk-card);
	overflow: hidden;
}
:root[data-theme="light"] .gpWrap {
	background:
		radial-gradient(circle at 22% 18%, rgba(93, 78, 168, 0.08), transparent 55%),
		radial-gradient(circle at 78% 76%, rgba(20, 201, 196, 0.07), transparent 58%),
		var(--dsk-card);
}

.gpSvg {
	display: block;
	width: 100%;
	height: auto;
	touch-action: none;
	user-select: none;
}

/* 连线：底色极淡（表示「这些都连得上」的范围），只让路径与悬停亮起来 */
.gpLink {
	stroke: var(--dsk-purple-400);
	stroke-width: 1;
	fill: none;
	opacity: 0.11;
	transition: opacity .12s ease, stroke-width .12s ease;
}
.gpLink.hover {
	stroke: var(--dsk-purple-200);
	stroke-width: 1.6;
	opacity: 0.85;
}
.gpLink.active {
	stroke: var(--dsk-accent);
	opacity: 1;
	stroke-width: 3;
	filter: drop-shadow(0 0 6px rgba(36, 240, 234, 0.55));
}
.gpLinkGhost {
	stroke: var(--dsk-accent);
	stroke-width: 2;
	stroke-dasharray: 6 6;
	fill: none;
	opacity: 0.8;
	pointer-events: none;
}

/* 节点 */
.gpNode { cursor: pointer; }
.gpNodeCircle {
	fill: var(--dsk-popover);
	stroke: var(--dsk-card-border);
	stroke-width: 2;
	transition: stroke .15s ease, fill .15s ease, r .15s ease;
}
.gpNode:hover .gpNodeCircle { stroke: var(--dsk-accent); }
.gpNode[data-role="start"] .gpNodeCircle { stroke: var(--dsk-purple-400); stroke-width: 3; }
.gpNode[data-role="end"] .gpNodeCircle { stroke: var(--dsk-accent); stroke-width: 3; }
.gpNode[data-selected="1"] .gpNodeCircle {
	fill: var(--dsk-primary-soft);
	stroke: var(--dsk-accent);
	stroke-width: 4;
}
.gpNodeLabel {
	font-family: var(--dsk-font-mono);
	font-size: 11px;
	font-weight: 700;
	fill: var(--dsk-foreground);
	pointer-events: none;
	text-anchor: middle;
}
.gpNode[data-selected="1"] .gpNodeLabel { fill: var(--dsk-accent); }
.gpNodeDot { pointer-events: none; }
.gpNodeOrder {
	font-family: var(--dsk-font-mono);
	font-size: 10px;
	font-weight: 700;
	fill: var(--dsk-background, #0f0d18);
	pointer-events: none;
	text-anchor: middle;
}

/* 图例 */
.gpLegend {
	display: flex;
	gap: 14px;
	flex-wrap: wrap;
	padding: 10px 14px;
	border-top: 1px solid var(--dsk-card-border);
	font-size: var(--dsk-text-xs);
	font-family: var(--dsk-font-mono);
	color: var(--dsk-foreground-subtle);
}
.gpLegendItem { display: inline-flex; align-items: center; gap: 6px; }
.gpLegendDot {
	width: 9px;
	height: 9px;
	border-radius: var(--dsk-radius-full);
}

/* 选择面板 */
.gpPick {
	display: flex;
	flex-direction: column;
	gap: 10px;
}
.gpPathBox {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 6px;
	padding: 10px 12px;
	min-height: 44px;
	border-radius: var(--dsk-radius-md);
	border: 1px solid var(--dsk-card-border);
	background: rgba(42, 40, 64, 0.35);
}
:root[data-theme="light"] .gpPathBox { background: rgba(236, 238, 246, 0.6); }
.gpPathEmpty {
	font-size: var(--dsk-text-xs);
	color: var(--dsk-foreground-subtle);
}
.gpChip {
	display: inline-flex;
	align-items: center;
	gap: 6px;
	font-size: var(--dsk-text-xs);
	font-family: var(--dsk-font-mono);
	font-weight: 700;
	padding: 4px 8px 4px 10px;
	border-radius: var(--dsk-radius-full);
	border: 1px solid var(--dsk-accent-ring);
	background: var(--dsk-accent-soft);
	color: var(--dsk-accent);
}
.gpChip[data-role="mid"] {
	border-color: var(--dsk-card-border);
	background: var(--dsk-primary-soft);
	color: var(--dsk-foreground-muted);
}
.gpChipOrder {
	font-size: 9px;
	opacity: .7;
}
.gpChipX {
	border: none;
	background: transparent;
	color: inherit;
	cursor: pointer;
	font: inherit;
	line-height: 1;
	padding: 0 2px;
	opacity: .65;
}
.gpChipX:hover { opacity: 1; }
.gpArrow { color: var(--dsk-foreground-subtle); font-size: var(--dsk-text-sm); }

/* 路径项：胶囊 + 后面的箭头作为一个整体移动，拖动换序时不会与箭头错位 */
.gpPathItem {
	display: inline-flex;
	align-items: center;
	gap: 6px;
}
.gpPathItem:last-child > .gpArrow { display: none; }

/* 可拖动 */
.gpChip {
	cursor: grab;
	touch-action: none;
	user-select: none;
	transition: opacity .12s ease;
}
.gpChip:active { cursor: grabbing; }
/* 拖动中：原地留一个淡化的占位，指示会落在哪 */
.gpChip.dragging {
	opacity: .32;
	outline: 1px dashed var(--dsk-accent-ring);
	outline-offset: 2px;
}
/* 跟着指针走的浮动副本 */
.gpChipGhost {
	position: fixed;
	z-index: 80;
	margin: 0;
	pointer-events: none;
	opacity: .95;
	box-shadow: 0 8px 22px rgba(0, 0, 0, .45);
	transform: scale(1.04);
}

.gpActions { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.gpActionBtn {
	font: inherit;
	font-size: var(--dsk-text-sm);
	padding: 7px 14px;
	border-radius: var(--dsk-radius-md);
	border: 1px solid var(--dsk-card-border);
	background: var(--dsk-card);
	color: var(--dsk-foreground);
	cursor: pointer;
	transition: border-color .16s ease, color .16s ease, background .16s ease;
}
.gpActionBtn:hover { border-color: var(--dsk-accent-ring); color: var(--dsk-accent); }
.gpActionBtn.primary {
	background: var(--dsk-primary);
	border-color: var(--dsk-primary);
	color: var(--dsk-primary-foreground);
	font-weight: 600;
}
.gpActionBtn.primary:hover { background: var(--dsk-primary-hover); color: #fff; }
.gpActionBtn.primary:disabled {
	background: var(--dsk-card);
	border-color: var(--dsk-card-border);
	color: var(--dsk-foreground-subtle);
	cursor: not-allowed;
}
.gpActionBtn.ghost { background: transparent; }
.gpActionBtn:focus-visible { outline: 2px solid var(--dsk-accent-ring); outline-offset: 2px; }

.gpHint {
	font-size: var(--dsk-text-xs);
	font-family: var(--dsk-font-mono);
	color: var(--dsk-foreground-subtle);
	min-height: 15px;
}
.gpHint[data-kind="err"] { color: var(--dsk-danger); }
.gpHint[data-kind="ok"] { color: var(--dsk-success); }

/* 预设 */
.gpPresets { display: flex; gap: 6px; flex-wrap: wrap; }
.gpPresetBtn {
	font: inherit;
	font-size: var(--dsk-text-xs);
	font-family: var(--dsk-font-mono);
	padding: 4px 10px;
	border-radius: var(--dsk-radius-full);
	border: 1px solid var(--dsk-card-border);
	background: transparent;
	color: var(--dsk-foreground-muted);
	cursor: pointer;
}
.gpPresetBtn:hover { color: var(--dsk-accent); border-color: var(--dsk-accent-ring); }
.gpPresetBtn:focus-visible { outline: 2px solid var(--dsk-accent-ring); outline-offset: 1px; }

/* 已存路径 */
.gpSaved {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
	gap: 10px;
}
.gpSavedCard {
	display: flex;
	flex-direction: column;
	gap: 6px;
	padding: 12px 14px;
	border-radius: var(--dsk-radius-md);
	border: 1px solid var(--dsk-card-border);
	background: var(--dsk-card);
	cursor: pointer;
	text-align: left;
	font: inherit;
	color: inherit;
	transition: border-color .16s ease, transform .16s ease;
}
.gpSavedCard:hover { border-color: var(--dsk-accent-ring); transform: translateY(-1px); }
.gpSavedPath {
	font-size: var(--dsk-text-sm);
	font-family: var(--dsk-font-mono);
	font-weight: 700;
	color: var(--dsk-purple-100);
	word-break: break-word;
}
:root[data-theme="light"] .gpSavedPath { color: var(--dsk-purple-700); }
.gpSavedStat {
	font-size: var(--dsk-text-xs);
	font-family: var(--dsk-font-mono);
	color: var(--dsk-foreground-subtle);
}
.gpSavedEmpty {
	padding: 18px;
	border-radius: var(--dsk-radius-md);
	border: 1px dashed var(--dsk-card-border);
	color: var(--dsk-foreground-subtle);
	font-size: var(--dsk-text-sm);
	text-align: center;
	grid-column: 1 / -1;
}