/*
	Loom Robotics — Architecture Explorer styles
	Loaded only on architecture.html (+ the homepage mini-graph bits, which are
	scoped under .arch-mini and safe to ship anywhere). Reuses brand tokens from
	brand.css; keeps the aerospace/engineering-dashboard tone — no neon.
*/

/* ===== Explorer shell ===== */
.arch-stage {
	position: relative;
	display: grid;
	grid-template-columns: 1fr;
	border: 1px solid var(--graphite-line);
	border-radius: 6px;
	overflow: hidden;
	background-color: var(--graphite);
	background-image:
		linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
		linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
	background-size: 22px 22px;
}

#arch-explorer {
	width: 100%;
	height: 70vh;
	min-height: 460px;
	touch-action: none;
}

/* Hover tooltip */
.arch-tip {
	position: absolute;
	transform: translate(-50%, -100%);
	pointer-events: none;
	background: var(--charcoal);
	color: var(--offwhite);
	border: 1px solid var(--graphite-line);
	border-left: 2px solid var(--orange);
	font-family: "Inter", sans-serif;
	font-size: 0.8rem;
	line-height: 1.4;
	padding: 0.4rem 0.6rem;
	border-radius: 4px;
	max-width: 260px;
	opacity: 0;
	transition: opacity 120ms ease;
	z-index: 5;
}
.arch-tip.is-on { opacity: 1; }

/* ===== Controls cluster ===== */
#arch-controls {
	position: absolute;
	top: 0.75rem;
	left: 0.75rem;
	display: flex;
	flex-direction: column;
	gap: 0.3rem;
	z-index: 6;
}
#arch-controls button {
	width: 2.2rem;
	height: 2.2rem;
	line-height: 1;
	padding: 0;
	border: 1px solid var(--graphite-line);
	background: rgba(21,25,30,0.85);
	color: var(--offwhite);
	border-radius: 4px;
	font-family: "Space Grotesk", sans-serif;
	font-size: 1rem;
	cursor: pointer;
	transition: border-color 140ms ease, color 140ms ease;
}
#arch-controls button:hover { border-color: var(--orange); color: var(--orange); }
#arch-controls .reset { font-size: 0.6rem; letter-spacing: 0.08em; text-transform: uppercase; }

/* ===== Legend ===== */
#arch-legend {
	position: absolute;
	bottom: 0.75rem;
	left: 0.75rem;
	margin: 0;
	padding: 0.6rem 0.75rem;
	list-style: none;
	background: rgba(21,25,30,0.85);
	border: 1px solid var(--graphite-line);
	border-radius: 4px;
	z-index: 6;
}
#arch-legend li { padding: 0; margin: 0; border: 0; }
#arch-legend button {
	display: flex;
	align-items: center;
	gap: 0.5rem;
	width: 100%;
	padding: 0.2rem 0.25rem;
	background: none;
	border: 0;
	color: rgba(255,255,255,0.75);
	font-family: "Inter", sans-serif;
	font-size: 0.72rem;
	text-align: left;
	cursor: pointer;
}
#arch-legend button:hover,
#arch-legend button.is-active { color: var(--offwhite); }
#arch-legend .sw {
	display: inline-block;
	width: 0.7rem; height: 0.7rem;
	border-radius: 2px;
	flex: 0 0 auto;
}
#arch-legend button.is-active .sw { box-shadow: 0 0 0 2px rgba(255,106,19,0.5); }

/* ===== Side panel ===== */
#arch-panel {
	position: absolute;
	top: 0; right: 0;
	width: 340px;
	max-width: 90%;
	height: 100%;
	background: var(--charcoal);
	border-left: 1px solid var(--graphite-line);
	transform: translateX(102%);
	transition: transform 220ms ease;
	z-index: 8;
	display: flex;
	flex-direction: column;
}
#arch-panel.is-open { transform: translateX(0); }
.arch-panel-head {
	display: flex;
	align-items: flex-start;
	justify-content: space-between;
	gap: 1rem;
	padding: 1.1rem 1.1rem 0.5rem;
	border-bottom: 1px solid var(--graphite-line);
}
#arch-panel-title {
	margin: 0;
	font-family: "Space Grotesk", sans-serif;
	font-size: 1.1rem;
	color: var(--offwhite);
}
#arch-panel .close {
	background: none; border: 0; color: rgba(255,255,255,0.6);
	font-size: 1.4rem; line-height: 1; cursor: pointer; padding: 0;
}
#arch-panel .close:hover { color: var(--orange); }
#arch-panel-body { padding: 1rem 1.1rem; overflow-y: auto; }
#arch-panel-body p { color: rgba(255,255,255,0.75); font-size: 0.9rem; line-height: 1.6; }
#arch-panel-body ul { margin: 0 0 1rem; padding-left: 1.1rem; }
#arch-panel-body li { color: rgba(255,255,255,0.7); font-size: 0.85rem; }
.arch-panel-layer {
	display: inline-block;
	font-family: "Space Grotesk", sans-serif;
	font-size: 0.65rem;
	letter-spacing: 0.18em;
	text-transform: uppercase;
	margin-bottom: 0.6rem;
}
#arch-panel-body .media-tile { display: block; margin-top: 0.5rem; }

/* ===== Mobile: panel becomes a bottom sheet ===== */
@media (max-width: 736px) {
	#arch-explorer { height: 60vh; min-height: 360px; }
	#arch-panel {
		top: auto; bottom: 0; right: 0;
		width: 100%; max-width: 100%; height: 60%;
		border-left: 0; border-top: 1px solid var(--graphite-line);
		transform: translateY(102%);
	}
	#arch-panel.is-open { transform: translateY(0); }
	#arch-legend { font-size: 0.66rem; }
}

/* ===== Homepage Level-1 mini-graph (hand-built SVG/CSS, no Cytoscape) ===== */
.arch-mini {
	position: relative;
	border: 1px solid var(--graphite-line);
	border-radius: 6px;
	background-color: var(--graphite);
	background-image:
		linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
		linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
	background-size: 22px 22px;
	padding: 1.5rem;
}
.arch-mini svg { display: block; width: 100%; height: auto; }
.arch-mini .mini-node {
	fill: var(--charcoal);
	stroke: var(--steel);
	stroke-width: 1.5;
}
.arch-mini .mini-node.is-physical { stroke: var(--orange); }
.arch-mini .mini-label {
	fill: var(--offwhite);
	font-family: "Inter", sans-serif;
	font-size: 11px;
}
.arch-mini .mini-edge {
	stroke: var(--graphite-line);
	stroke-width: 2;
	fill: none;
}
/* travelling data pulse along the spine (Mission → Hardware) */
.arch-mini .mini-pulse {
	fill: var(--orange);
	opacity: 0;
	offset-path: path("M 90 80 L 570 80");
	offset-rotate: 0deg;
}
.arch-mini .mini-pulse.p1 { animation: arch-flow 4.5s linear infinite; }
.arch-mini .mini-pulse.p2 { animation: arch-flow 4.5s linear infinite; animation-delay: 1.5s; }
.arch-mini .mini-pulse.p3 { animation: arch-flow 4.5s linear infinite; animation-delay: 3s; }
@keyframes arch-flow {
	0%   { offset-distance: 0%;   opacity: 0; }
	10%  { opacity: 0.9; }
	90%  { opacity: 0.9; }
	100% { offset-distance: 100%; opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
	.arch-mini .mini-pulse { animation: none; opacity: 0; }
}