/* ==========================================================================
   Roadmap (Gantt) component
   Markup: see the "Testing roadmap" section in mendix.html.
   Each item sets --start / --end in months from the left edge (0–18).
   Desktop: bars on a quarter grid. Under 640px: stacked rows with a mini track.
   Behaviour (filters, detail panel, reveal) lives in js/roadmap.js; without JS
   the chart still reads as a static timeline.
   ========================================================================== */

.rm {
	--rm-cols: 18;
	--rm-ink: var(--cs-ink, #1d1d1a);
	--rm-muted: var(--cs-muted, #6f6e66);
	--rm-line: var(--cs-line, #dcdacf);
	--rm-surface: var(--cs-raised, #faf9f5);
	--rm-mono: var(--cs-mono, ui-monospace, Menlo, monospace);
	margin: 0.5rem 0 0;
	text-align: left;
}

/* HEART dimensions: one hue each, used for the bar fill and the chip dot */
.rm [data-dim="task"]       { --hue: #2e7d5b; }
.rm [data-dim="happiness"]  { --hue: #6e56cf; }
.rm [data-dim="engagement"] { --hue: #2f6f9f; }
.rm [data-dim="experiment"] { --hue: #b07a22; }

/* ---------- Filters ---------- */
.rm-filters {
	display: flex;
	flex-wrap: wrap;
	gap: 0.4rem;
	margin: 0 0 1.25rem;
	padding: 0;
	list-style: none;
}

.rm-filter {
	display: inline-flex;
	align-items: center;
	gap: 0.45rem;
	padding: 0.4rem 0.7rem;
	font-size: 0.8rem;
	line-height: 1;
	color: var(--rm-muted);
	background: transparent;
	border: 1px solid var(--rm-line);
	border-radius: 999px;
	cursor: pointer;
	transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.rm-filter::before {
	content: "";
	width: 8px;
	height: 8px;
	border-radius: 50%;
	background: var(--hue, var(--rm-ink));
}

.rm-filter[data-dim="all"]::before {
	display: none;
}

.rm-filter:hover {
	color: var(--rm-ink);
	border-color: var(--rm-ink);
	background: transparent;
}

.rm-filter[aria-pressed="true"],
.rm-filter[aria-pressed="true"]:hover {
	color: var(--rm-ink);
	border-color: var(--rm-ink);
	background: var(--rm-surface);
}

/* ---------- Chart ---------- */
.rm-chart {
	position: relative;
	padding-bottom: 0.25rem;
}

.rm-axis,
.rm-items > li {
	display: grid;
	grid-template-columns: repeat(var(--rm-cols), minmax(0, 1fr));
}

.rm-axis {
	margin: 0 0 0.6rem;
	padding: 0;
	list-style: none;
	border-bottom: 1px solid var(--rm-line);
}

.rm-axis li {
	grid-column: span 3;
	padding: 0 0 0.45rem;
	font-family: var(--rm-mono);
	font-size: 0.7rem;
	letter-spacing: 0.12em;
	color: var(--rm-muted);
}

.rm-axis li + li {
	border-left: 1px solid var(--rm-line);
	padding-left: 0.5rem;
}

.rm-axis .rm-year {
	opacity: 0.6;
}

/* Quarter gridlines behind the bars */
.rm-items {
	margin: 0;
	padding: 0;
	list-style: none;
	background-image: repeating-linear-gradient(to right, var(--rm-line) 0 1px, transparent 1px calc(100% / 6));
}

.rm-items > li {
	padding: 0.3rem 0;
}

.rm-bar {
	grid-column: calc(var(--start) + 1) / calc(var(--end) + 1);
	position: relative;
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 0.75rem;
	min-height: 2.6rem;
	padding: 0.5rem 0.85rem;
	font-size: 0.86rem;
	line-height: 1.3;
	text-align: left;
	color: var(--rm-ink);
	background: color-mix(in srgb, var(--hue) 16%, var(--rm-surface));
	border: 1px solid color-mix(in srgb, var(--hue) 35%, transparent);
	border-radius: 6px;
	cursor: pointer;
	transform-origin: left center;
	transition: opacity 0.25s ease, filter 0.25s ease, border-color 0.2s ease, box-shadow 0.2s ease, transform 0.6s cubic-bezier(.2, .8, .2, 1);
}

.rm-bar:hover {
	border-color: var(--hue);
	background: color-mix(in srgb, var(--hue) 16%, var(--rm-surface));
}

.rm-bar:focus-visible {
	outline: 2px solid var(--rm-ink);
	outline-offset: 2px;
}

.rm-bar[aria-expanded="true"] {
	border-color: var(--hue);
	box-shadow: inset 3px 0 0 var(--hue);
}

.rm-when {
	flex: none;
	font-family: var(--rm-mono);
	font-size: 0.66rem;
	letter-spacing: 0.08em;
	text-transform: uppercase;
	color: var(--rm-muted);
}

/* Filtered out */
.rm-items > li.is-dimmed .rm-bar {
	opacity: 0.28;
	filter: grayscale(1);
}

/* Reveal: bars grow from their start date (only with JS + motion allowed) */
.rm.is-waiting .rm-bar {
	transform: scaleX(0.04);
}

/* ---------- Detail panel ---------- */
.rm-detail {
	margin-top: 1rem;
	padding: 1rem 1.1rem;
	border: 1px solid var(--rm-line);
	border-left: 3px solid var(--hue, var(--rm-ink));
	border-radius: 6px;
	background: var(--rm-surface);
}

.rm-detail[hidden] {
	display: none;
}

.rm-detail-kicker {
	font-family: var(--rm-mono);
	font-size: 0.68rem;
	letter-spacing: 0.12em;
	text-transform: uppercase;
	color: var(--hue, var(--rm-muted));
	margin: 0 0 0.35rem;
}

.rm-detail h3 {
	font-size: 1.05rem;
	margin: 0 0 0.6rem;
}

.rm-detail dl {
	display: grid;
	grid-template-columns: 6rem minmax(0, 1fr);
	gap: 0.35rem 1rem;
	margin: 0;
	font-size: 0.9rem;
}

.rm-detail dt {
	font-family: var(--rm-mono);
	font-size: 0.68rem;
	letter-spacing: 0.1em;
	text-transform: uppercase;
	color: var(--rm-muted);
	padding-top: 0.2rem;
}

.rm-detail dd {
	margin: 0;
}

/* Per-item details are the data source for the panel */
.rm-info {
	display: none;
}

/* ---------- Small screens: stacked rows with a mini track ---------- */
@media (max-width: 639.98px) {
	.rm-axis {
		display: none;
	}

	.rm-items {
		background: none;
		border-top: 1px solid var(--rm-line);
	}

	.rm-items > li {
		display: block;
		padding: 0;
		border-bottom: 1px solid var(--rm-line);
	}

	.rm-bar {
		width: 100%;
		flex-wrap: wrap;
		gap: 0.2rem 0.75rem;
		padding: 0.8rem 0 1.4rem;
		background: none;
		-webkit-tap-highlight-color: transparent;
		border: none;
		border-radius: 0;
	}

	.rm-bar:hover,
	.rm-bar[aria-expanded="true"] {
		background: none;
		box-shadow: none;
	}

	.rm-bar[aria-expanded="true"] .rm-label {
		text-decoration: underline;
		text-decoration-color: var(--hue);
		text-underline-offset: 3px;
	}

	/* the mini timeline: full-width track, coloured span for this item */
	.rm-bar::before,
	.rm-bar::after {
		content: "";
		position: absolute;
		bottom: 0.65rem;
		height: 4px;
		border-radius: 2px;
	}

	.rm-bar::before {
		left: 0;
		right: 0;
		background: var(--rm-line);
	}

	.rm-bar::after {
		left: calc(var(--start) / var(--rm-cols) * 100%);
		width: calc((var(--end) - var(--start)) / var(--rm-cols) * 100%);
		background: var(--hue);
	}

	.rm.is-waiting .rm-bar {
		transform: none;
	}

	.rm-detail dl {
		grid-template-columns: minmax(0, 1fr);
	}

	.rm-detail dt {
		padding-top: 0.5rem;
	}
}

@media (prefers-reduced-motion: reduce) {
	.rm-bar {
		transition: none;
	}

	.rm.is-waiting .rm-bar {
		transform: none;
	}
}