/* NxtOrigin Knowledge Base — reader (Phase 1). Self-contained; --nx-* tokens with fallbacks. */
.nxtorigin-kb {
	/* Real COLOUR tokens only (--nx-surface-* are box-shadows, not colours). */
	--nxkb-surface: var(--nx-panel-soft, #0e1a2e);
	--nxkb-border: var(--nx-border, #243a56);
	--nxkb-text: var(--nx-text, #eef2f8);
	--nxkb-muted: var(--nx-text-muted, #91a2b8);
	--nxkb-accent: var(--nx-cyan, #22d3ee);
	--nxkb-radius: 14px;
	max-width: 860px;
	margin: 1.5rem auto;
	color: var(--nxkb-text);
	font-size: 15px;
	line-height: 1.6;
	/* Self-contained dark card so a white host page can't wash it out. */
	background: var(--nx-bg, #071426);
	border: 1px solid var(--nxkb-border);
	border-radius: 18px;
	padding: 1.5rem 1.75rem 2rem;
}
.nxtorigin-kb, .nxtorigin-kb * { box-sizing: border-box; }
.nxtorigin-kb__title {
	font-size: clamp(1.4rem, 1.1rem + 1.4vw, 2rem);
	font-weight: 700;
	margin: 0 0 0.75rem;
	letter-spacing: -0.01em;
}
.nxtorigin-kb__search { margin: 0 0 1.25rem; }
.nxtorigin-kb__search-input {
	width: 100%;
	box-sizing: border-box;
	padding: 0.7rem 1rem;
	font-size: 1rem;
	color: var(--nxkb-text);
	background: var(--nxkb-surface);
	border: 1px solid var(--nxkb-border);
	border-radius: 999px;
	outline: none;
	transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.nxtorigin-kb__search-input::placeholder { color: var(--nxkb-muted); }
.nxtorigin-kb__search-input:focus {
	border-color: var(--nxkb-accent);
	box-shadow: 0 0 0 3px color-mix(in srgb, var(--nxkb-accent) 25%, transparent);
}
/* Collapsible audience group (option A: one group per stakeholder). */
.nxtorigin-kb__group {
	margin: 0 0 0.75rem;
	border: 1px solid var(--nxkb-border);
	border-radius: var(--nxkb-radius);
	background: color-mix(in srgb, var(--nxkb-surface) 55%, transparent);
	overflow: hidden;
}
.nxtorigin-kb__group[open] {
	border-color: color-mix(in srgb, var(--nxkb-accent) 38%, var(--nxkb-border));
}
.nxtorigin-kb__group-head {
	display: flex;
	align-items: center;
	gap: 0.6rem;
	padding: 0.8rem 1.1rem;
	cursor: pointer;
	list-style: none;
	user-select: none;
}
.nxtorigin-kb__group-head::-webkit-details-marker { display: none; }
.nxtorigin-kb__group-title {
	flex: 1 1 auto;
	font-size: 0.82rem;
	text-transform: uppercase;
	letter-spacing: 0.08em;
	color: var(--nxkb-text);
	margin: 0;
}
.nxtorigin-kb__group-count {
	flex: 0 0 auto;
	min-width: 1.4rem;
	text-align: center;
	font-size: 0.72rem;
	color: var(--nxkb-muted);
	background: color-mix(in srgb, var(--nxkb-muted) 16%, transparent);
	border-radius: 999px;
	padding: 0.1rem 0.45rem;
}
.nxtorigin-kb__group-toggle {
	flex: 0 0 auto;
	width: 9px;
	height: 9px;
	border-right: 2px solid var(--nxkb-muted);
	border-bottom: 2px solid var(--nxkb-muted);
	transform: rotate(45deg);
	transition: transform 0.2s ease;
}
.nxtorigin-kb__group[open] .nxtorigin-kb__group-toggle { transform: rotate(-135deg); }
.nxtorigin-kb__list { display: flex; flex-direction: column; gap: 0.6rem; padding: 0 0.75rem 0.9rem; }
.nxtorigin-kb__item {
	background: var(--nxkb-surface);
	border: 1px solid var(--nxkb-border);
	border-radius: var(--nxkb-radius);
	overflow: hidden;
	backdrop-filter: blur(8px);
}
.nxtorigin-kb__item[open] { border-color: color-mix(in srgb, var(--nxkb-accent) 45%, var(--nxkb-border)); }
.nxtorigin-kb__q {
	display: flex;
	align-items: center;
	gap: 0.75rem;
	padding: 0.95rem 1.1rem;
	cursor: pointer;
	list-style: none;
	font-weight: 600;
	user-select: none;
}
.nxtorigin-kb__q::-webkit-details-marker { display: none; }
.nxtorigin-kb__q-text { flex: 1 1 auto; }
.nxtorigin-kb__chip {
	flex: 0 0 auto;
	font-size: 0.68rem;
	font-weight: 600;
	text-transform: uppercase;
	letter-spacing: 0.04em;
	color: var(--nxkb-accent);
	background: color-mix(in srgb, var(--nxkb-accent) 14%, transparent);
	border: 1px solid color-mix(in srgb, var(--nxkb-accent) 30%, transparent);
	padding: 0.15rem 0.55rem;
	border-radius: 999px;
	white-space: nowrap;
}
.nxtorigin-kb__toggle {
	flex: 0 0 auto;
	width: 10px;
	height: 10px;
	border-right: 2px solid var(--nxkb-muted);
	border-bottom: 2px solid var(--nxkb-muted);
	transform: rotate(45deg);
	transition: transform 0.2s ease;
	margin-right: 2px;
}
.nxtorigin-kb__item[open] .nxtorigin-kb__toggle { transform: rotate(-135deg); }
.nxtorigin-kb__a {
	padding: 0 1.1rem 1.1rem;
	color: var(--nxkb-text);
	border-top: 1px solid var(--nxkb-border);
}
.nxtorigin-kb__lede { color: var(--nxkb-muted); font-style: italic; margin: 0.9rem 0 0.4rem; }
.nxtorigin-kb__body { margin: 0.6rem 0; }
.nxtorigin-kb__body :first-child { margin-top: 0; }
.nxtorigin-kb__body a { color: var(--nxkb-accent); }
.nxtorigin-kb__body img { max-width: 100%; height: auto; border-radius: 8px; }
.nxtorigin-kb__section-title { font-size: 0.98rem; font-weight: 700; margin: 1.1rem 0 0.3rem; }
.nxtorigin-kb__empty,
.nxtorigin-kb__noresults { color: var(--nxkb-muted); padding: 1rem 0.25rem; }
@media (max-width: 560px) {
	.nxtorigin-kb__chip { display: none; }
}

/* --- Attachments (reader) --- */
.nxtorigin-kb__files { margin-top: 0.9rem; }
.nxtorigin-kb__files-title { font-size: 0.9rem; font-weight: 700; margin: 0 0 0.35rem; }
.nxtorigin-kb__files-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 0.25rem; }
.nxtorigin-kb__files-list a { color: var(--nxkb-accent); text-decoration: none; display: inline-flex; align-items: center; gap: 0.4rem; }
.nxtorigin-kb__files-list a::before { content: "\1F4CE"; } /* paperclip */
.nxtorigin-kb__files-list a:hover { text-decoration: underline; }

/* --- Force readable text over theme typography (themes color <p>/<a>/<span>
       darkly for their white pages; those must not win inside our dark card). --- */
.nxtorigin-kb .nxtorigin-kb__q-text,
.nxtorigin-kb .nxtorigin-kb__body,
.nxtorigin-kb .nxtorigin-kb__body p,
.nxtorigin-kb .nxtorigin-kb__body li,
.nxtorigin-kb .nxtorigin-kb__body h1,
.nxtorigin-kb .nxtorigin-kb__body h2,
.nxtorigin-kb .nxtorigin-kb__body h3,
.nxtorigin-kb .nxtorigin-kb__body h4,
.nxtorigin-kb .nxtorigin-kb__body strong,
.nxtorigin-kb .nxtorigin-kb__body em,
.nxtorigin-kb .nxtorigin-kb__body span,
.nxtorigin-kb .nxtorigin-kb__section-title { color: var(--nxkb-text) !important; }
.nxtorigin-kb .nxtorigin-kb__body a,
.nxtorigin-kb .nxtorigin-kb__files-list a { color: var(--nxkb-accent) !important; }
.nxtorigin-kb .nxtorigin-kb__group-title,
.nxtorigin-kb .nxtorigin-kb__lede { color: var(--nxkb-muted) !important; }

/* --- Lighter font weights (less heavy) --- */
.nxtorigin-kb__title { font-weight: 600; }
.nxtorigin-kb__group-title { font-weight: 600; }
.nxtorigin-kb__q { font-weight: 500; }
.nxtorigin-kb__section-title { font-weight: 600; }
.nxtorigin-kb__files-title { font-weight: 600; }
.nxtorigin-kb .nxtorigin-kb__body,
.nxtorigin-kb .nxtorigin-kb__body p,
.nxtorigin-kb .nxtorigin-kb__body li,
.nxtorigin-kb .nxtorigin-kb__lede { font-weight: 400 !important; }
.nxtorigin-kb .nxtorigin-kb__body strong,
.nxtorigin-kb .nxtorigin-kb__body b { font-weight: 600 !important; }

/* --- Definitively light: reset ALL weight (defeats theme bold bleed), then
       bump only headings/question a little. --- */
.nxtorigin-kb, .nxtorigin-kb * { font-weight: 400 !important; }
.nxtorigin-kb__title,
.nxtorigin-kb__group-title,
.nxtorigin-kb__section-title,
.nxtorigin-kb__files-title { font-weight: 600 !important; }
.nxtorigin-kb__q { font-weight: 500 !important; }
.nxtorigin-kb .nxtorigin-kb__body strong,
.nxtorigin-kb .nxtorigin-kb__body b { font-weight: 500 !important; }