.assistant-page { max-width: 66rem; margin-inline: auto; padding-block: clamp(2.5rem, 6vw, 5rem); }
.assistant-intro { max-width: 48rem; margin-bottom: 2rem; }
.assistant-intro h1 { margin: 0 0 1rem; font-size: clamp(2.2rem, 5vw, 4rem); line-height: 1.05; }
.assistant-intro__lead { max-width: 42rem; color: var(--atlas-muted); font-size: clamp(1.05rem, 2vw, 1.3rem); }
.assistant-surface { border-block: 1px solid var(--atlas-border); padding-block: 1.35rem 1rem; }
.assistant-form { margin: 0; }
.assistant-form label { display: block; margin-bottom: .45rem; font-weight: 700; }
.assistant-form__row { display: flex; gap: .75rem; align-items: stretch; }
.assistant-form textarea { flex: 1; min-width: 0; resize: vertical; min-height: 3.8rem; border: 1px solid var(--atlas-border); border-radius: var(--atlas-radius); padding: .8rem; color: var(--atlas-ink); background: #fff; font: inherit; line-height: 1.45; }
.assistant-form .button { align-self: stretch; min-width: 8rem; cursor: pointer; }
.assistant-thread { margin-top: 2.5rem; }
.assistant-turn { padding-block: 1.25rem; border-top: 1px solid var(--atlas-border); }
.assistant-turn__question { margin: 0 0 .9rem; color: var(--atlas-muted); font-size: .9rem; }
.assistant-turn__answer { max-width: 58rem; font-size: 1.05rem; }
.assistant-turn__answer p { margin: 0 0 .8rem; }
.assistant-turn__answer ul { margin-top: .4rem; padding-left: 1.25rem; }
.assistant-evidence-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr)); gap: .7rem; margin-top: 1rem; }
.assistant-evidence-card { border-top: 2px solid var(--atlas-accent); padding: .7rem 0; }
.assistant-evidence-card__type { color: var(--atlas-muted); font-size: .75rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.assistant-evidence-card__title { display: block; margin-top: .2rem; color: var(--atlas-ink); font-weight: 700; }
.assistant-evidence-card__meta { display: block; color: var(--atlas-muted); font-size: .84rem; }
.assistant-sources { margin-top: 1rem; border-top: 1px solid var(--atlas-border); }
.assistant-sources summary { cursor: pointer; padding-block: .65rem; font-weight: 700; }
.assistant-sources__list { display: grid; gap: .55rem; padding-bottom: .8rem; }
.assistant-source-row { display: grid; grid-template-columns: 3rem minmax(0, 1fr); gap: .6rem; padding: .55rem 0; border-top: 1px solid var(--atlas-soft-line); }
.assistant-source-row__label { color: var(--atlas-accent); font-weight: 700; }
.assistant-source-row__meta { color: var(--atlas-muted); font-size: .84rem; }
.assistant-status { margin-top: 1rem; color: var(--atlas-muted); }
.assistant-status.is-error { color: #9b2c22; }
.assistant-followup { margin-top: 1.5rem; padding-top: 1.5rem; border-top: 2px solid var(--atlas-ink); }
.assistant-followup .assistant-form__row { max-width: 54rem; }
@media (min-width: 52rem) {
	/* On this route only, give the existing identity block measured editorial presence. */
	body.archidev-atlas:has(.assistant-page) .site-header { min-height: 7.5rem; padding-block: 1.25rem; }
	body.archidev-atlas:has(.assistant-page) .site-identity__logo img { max-height: 3.2rem; width: auto; }
}
@media (max-width: 52rem) {
	body.archidev-atlas:has(.assistant-page) .site-header { min-height: 5.75rem; padding-block: .8rem; }
	.assistant-form__row { display: grid; }
	.assistant-form .button { width: 100%; min-height: 2.9rem; }
	.assistant-page { padding-block: 2rem 3rem; }
}

/* Homepage research workspace: intrinsic expansion keeps all following content in normal flow. */
.assistant-workspace { max-width: var(--atlas-content); margin-inline: auto; padding: clamp(1.4rem, 3vw, 2.6rem) var(--atlas-space); border-bottom: 1px solid var(--atlas-border); background: #fff; transition: padding .2s ease; }
.assistant-workspace--compact { padding-block: clamp(1.6rem, 4vw, 3.6rem); }
.assistant-workspace--compact .assistant-thread, .assistant-workspace--compact .assistant-evidence, .assistant-workspace--compact .assistant-followup { display: none; }
.assistant-workspace--expanded { padding-block: clamp(1.5rem, 3vw, 2.8rem); }
.assistant-workspace .assistant-intro { margin-bottom: 1.2rem; }
.assistant-workspace .assistant-intro h2 { margin: 0 0 .8rem; font-size: clamp(1.8rem, 4vw, 3.2rem); line-height: 1.05; }
.assistant-workspace .assistant-form__row .button { min-width: 3.4rem; padding-inline: .8rem; font-size: 1.3rem; }
.assistant-workspace .assistant-thread { margin-top: 1.8rem; }
.assistant-inline-citation a { color: inherit; text-decoration: underline; text-decoration-color: var(--atlas-accent); text-decoration-thickness: .12em; }
.assistant-evidence { margin-top: 1.5rem; border-top: 1px solid var(--atlas-border); }
.assistant-evidence__header { padding-top: 1rem; }
.assistant-evidence details { border-top: 1px solid var(--atlas-soft-line); }
.assistant-evidence summary { cursor: pointer; padding: .8rem 0; font-weight: 700; }
.assistant-evidence-grid { grid-template-columns: repeat(auto-fit, minmax(13rem, 1fr)); margin: 0 0 1rem; }
.assistant-evidence__more { color: var(--atlas-muted); font-size: .88rem; }
.assistant-partner-groups { display: grid; grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr)); gap: .8rem; padding-bottom: 1rem; }
.assistant-partner-group { border-top: 2px solid var(--atlas-accent); padding-top: .55rem; }
.assistant-partner-group h3 { margin: 0; font-size: 1rem; }
.assistant-partner-group p { margin: .25rem 0 0; color: var(--atlas-muted); font-size: .9rem; }
.assistant-turn__status { color: var(--atlas-muted); font-size: .9rem; }
@media (max-width: 52rem) { .assistant-workspace { padding-inline: var(--atlas-space); } .assistant-partner-groups { grid-template-columns: 1fr; } }

/* Phase 2T-A: continuous editorial Q&A dialog, without evidence panels. */
.assistant-workspace { display: flex; flex-direction: column; }
.assistant-workspace .assistant-intro { order: 1; }
.assistant-workspace .assistant-dialog { order: 2; }
.assistant-workspace .assistant-status { order: 3; }
.assistant-workspace .assistant-form { order: 4; }
.assistant-workspace--compact .assistant-dialog { display: none; }
.assistant-dialog { margin-top: 1.25rem; }
.assistant-dialog .assistant-turn { padding-block: 1.2rem; border-top: 1px solid var(--atlas-border); }
.assistant-dialog .assistant-turn__question { margin: 0; color: var(--atlas-muted); font-size: .76rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }
.assistant-dialog .assistant-turn__question--text { margin-top: .2rem; color: var(--atlas-ink); font-size: 1rem; font-weight: 400; letter-spacing: 0; text-transform: none; }
.assistant-dialog .assistant-turn__label { margin: 1.1rem 0 .35rem; color: var(--atlas-accent); font-size: .76rem; font-weight: 700; letter-spacing: .1em; }
.assistant-dialog .assistant-turn__answer { max-width: 58rem; font-size: 1.08rem; line-height: 1.65; }
.assistant-dialog .assistant-turn__answer p { margin: 0 0 .8rem; }
.assistant-dialog .assistant-turn__error { margin: .45rem 0 0; color: var(--atlas-muted); }
.assistant-dialog .assistant-turn--loading { border-top-color: var(--atlas-soft-line); }
.assistant-dialog .assistant-turn--loading .assistant-turn__question { display: none; }
.assistant-dialog .assistant-turn--loading .assistant-turn__error { font-style: italic; }
.assistant-workspace--expanded > .assistant-form { margin-top: 1rem; padding-top: 1.2rem; border-top: 0; }
@media (max-width: 52rem) { .assistant-dialog .assistant-turn__answer { font-size: 1rem; } }

/* Phase 2T-B: bounded editorial chat workspace. */
.assistant-workspace { border: 1px solid var(--atlas-border); border-radius: 16px; overflow: hidden; }
.assistant-workspace--compact { max-height: none; }
.assistant-chat-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; }
.assistant-close { display: none; flex: 0 0 auto; width: 2rem; height: 2rem; border: 1px solid var(--atlas-border); border-radius: 50%; background: transparent; color: var(--atlas-muted); font-size: 1.35rem; line-height: 1; cursor: pointer; }
.assistant-workspace--expanded { height: min(720px, 72vh); min-height: 420px; overflow: hidden; }
.assistant-workspace--expanded .assistant-close { display: inline-grid; place-items: center; }
.assistant-workspace--expanded .assistant-chat-header .assistant-intro__lead { display: none; }
.assistant-dialog { flex: 1 1 auto; min-height: 0; overflow-y: auto; padding-right: .4rem; scroll-behavior: smooth; }
.assistant-dialog .assistant-turn { max-width: 88%; margin-block: .85rem; padding: 0; border: 0; }
.assistant-dialog .assistant-turn--loading, .assistant-dialog .assistant-turn--error { align-self: flex-start; }
.assistant-dialog .assistant-turn:not(.assistant-turn--loading):not(.assistant-turn--error) { align-self: flex-start; margin-left: 0; margin-right: auto; }
.assistant-dialog .assistant-turn__question { color: var(--atlas-muted); font-size: .72rem; letter-spacing: .1em; }
.assistant-dialog .assistant-turn__question--text { margin: .2rem 0 0; padding: .7rem 1rem; border-radius: 12px; background: var(--atlas-soft); }
.assistant-dialog .assistant-turn__label { margin: .55rem 0 .25rem; color: var(--atlas-accent); font-size: .72rem; letter-spacing: .08em; }
.assistant-dialog .assistant-turn__answer { padding: .8rem 1rem; border-radius: 12px; background: #f5eee7; color: var(--atlas-ink); }
.assistant-dialog .assistant-turn__answer p { margin-bottom: .65rem; }
.assistant-dialog .assistant-turn:not(.assistant-turn--loading):not(.assistant-turn--error) .assistant-turn__question:first-child { text-align: right; }
.assistant-dialog .assistant-turn:not(.assistant-turn--loading):not(.assistant-turn--error) .assistant-turn__question--text { margin-left: auto; max-width: 76%; text-align: left; }
.assistant-dialog .assistant-turn--loading .assistant-turn__answer, .assistant-dialog .assistant-turn--error .assistant-turn__answer { background: #f5eee7; }
.assistant-dialog .assistant-turn--error .assistant-turn__error { padding: .8rem 1rem; border-radius: 12px; background: #f5eee7; color: var(--atlas-muted); }
.assistant-workspace--expanded > .assistant-form { flex: 0 0 auto; }
.assistant-composer { position: relative; }
.assistant-composer textarea { width: 100%; min-height: 3.5rem; max-height: 8.75rem; resize: vertical; padding: .75rem 4.8rem 1.55rem .9rem; border: 1px solid var(--atlas-border); border-radius: 14px; background: #fff; font: inherit; line-height: 1.4; }
.assistant-send { position: absolute; right: .55rem; bottom: .5rem; width: 2.2rem; height: 2.2rem; border: 0; border-radius: 50%; background: var(--atlas-accent); color: #fff; font-size: 1.3rem; line-height: 1; cursor: pointer; }
.assistant-counter { position: absolute; right: 3.1rem; bottom: .75rem; color: var(--atlas-muted); font-size: .72rem; font-style: italic; pointer-events: none; }
.assistant-workspace--expanded > .assistant-form > label { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
@media (max-width: 52rem) { .assistant-workspace--expanded { height: 76vh; min-height: 420px; } .assistant-dialog .assistant-turn { max-width: 94%; } .assistant-dialog .assistant-turn:not(.assistant-turn--loading):not(.assistant-turn--error) .assistant-turn__question--text { max-width: 88%; } .assistant-counter { right: 3rem; } }

/* Phase 2T-C cleanup: stable editorial header and compact typography. */
.assistant-chat-header, .assistant-chat-header .assistant-intro { text-align: left; align-items: flex-start; }
.assistant-workspace .assistant-intro h2 { font-size: clamp(1.45rem, 2.6vw, 2.15rem); line-height: 1.12; margin-bottom: .45rem; }
.assistant-workspace .assistant-intro__lead { font-size: .95rem; line-height: 1.4; margin-block: 0 .8rem; }
.assistant-workspace--expanded > .assistant-form { border-top: 0; }

/* Phase 2T-D: stable right-aligned title, compact rhythm, single counter. */
.assistant-chat-header { display: grid; grid-template-columns: 2.5rem minmax(0, 1fr); align-items: start; gap: .75rem; }
.assistant-chat-header .assistant-close { grid-column: 1; grid-row: 1; }
.assistant-chat-header .assistant-intro { grid-column: 2; grid-row: 1; justify-self: end; text-align: right; width: min(100%, 42rem); }
.assistant-workspace .assistant-intro h2 { font-size: clamp(1.3rem, 2.2vw, 1.85rem); margin-bottom: .3rem; }
.assistant-workspace .assistant-intro__lead { font-size: .88rem; line-height: 1.35; }
.assistant-workspace { padding-block: clamp(1rem, 2vw, 1.7rem); }
.assistant-workspace--compact { padding-block: clamp(1.2rem, 2.5vw, 2.2rem); }
.assistant-dialog .assistant-turn { margin-block: .6rem; }
.assistant-dialog .assistant-turn__answer { padding: .7rem .9rem; }
.assistant-dialog .assistant-turn__label { margin-top: .35rem; }
.assistant-workspace--expanded > .assistant-form { margin-top: .65rem; padding-top: .2rem; border-top: 0; }
.assistant-composer textarea { min-height: 3.25rem; }
@media (max-width: 52rem) { .assistant-chat-header .assistant-intro { width: 100%; } }

/* Phase 2T-E: quiet inline reference affordance. */
.assistant-inline-citation { color: inherit; text-decoration: none; white-space: normal; }
.assistant-inline-citation::after { content: " ↗"; color: var(--atlas-accent); font-size: .85em; margin-left: .12em; }
.assistant-inline-citation:hover .assistant-inline-ref__label, .assistant-inline-citation:focus-visible { text-decoration: underline; text-decoration-thickness: .08em; text-underline-offset: .12em; }

/* Phase 2T-F: keep the final answer/composer rhythm compact. */
.assistant-dialog { padding-bottom: .15rem; }
.assistant-workspace--expanded > .assistant-form { margin-top: .35rem; padding-top: 0; margin-bottom: 0; }


/* Homepage placement and compact assistant controls. */
.home-hero + .assistant-workspace { margin-top: 0; margin-bottom: 0; }
.assistant-workspace { padding-block: clamp(.8rem, 1.8vw, 1.35rem); }
.assistant-workspace--compact { padding-block: clamp(.9rem, 2vw, 1.5rem); }
.assistant-chat-header { grid-template-columns: minmax(0, 1fr) auto; align-items: center; }
.assistant-chat-header .assistant-intro { grid-column: 1; grid-row: 1; justify-self: start; text-align: left; width: auto; }
.assistant-chat-header__actions { grid-column: 2; grid-row: 1; display: flex; align-items: center; gap: .45rem; }
.assistant-expand { border: 0; padding: .35rem .55rem; background: transparent; color: var(--atlas-muted); font: inherit; font-size: .82rem; cursor: pointer; }
.assistant-expand:hover, .assistant-expand:focus-visible { color: var(--atlas-ink); text-decoration: underline; text-underline-offset: .15em; }
.assistant-dialog { margin-top: .7rem; }
.assistant-workspace--expanded { width: min(100%, 90rem); height: min(820px, 84vh); min-height: 500px; margin-inline: auto; }
.assistant-workspace--expanded .assistant-dialog { min-height: 0; }
.assistant-workspace--expanded .assistant-close { display: inline-grid; }
.assistant-workspace--compact .assistant-close { display: none; }
@media (max-width: 52rem) {
  .assistant-workspace--expanded { height: 82vh; min-height: 420px; }
  .assistant-chat-header__actions { gap: .2rem; }
}

/* Phase 2T-AC: compact inline state and viewport workspace expansion. */
.assistant-workspace--compact.assistant-workspace--active .assistant-dialog {
	display: block;
	max-height: min(31rem, 50vh);
	overflow-y: auto;
}
.assistant-workspace--compact.assistant-workspace--active .assistant-status { margin-top: .35rem; }
.assistant-workspace--expanded {
	position: fixed;
	inset: 0;
	z-index: 1000;
	width: 100vw;
	max-width: none;
	height: 100dvh;
	min-height: 0;
	margin: 0;
	border-radius: 0;
	padding: clamp(1rem, 2vw, 1.75rem) var(--atlas-space);
	background: #fff;
}
body.assistant-expanded { overflow: hidden; }
.assistant-workspace--expanded {
	position: fixed;
	inset-block-start: var(--assistant-anchor-top, max(5rem, 8vh));
	inset-inline-end: var(--assistant-anchor-right, var(--atlas-space, 3vw));
	inset-inline-start: auto;
	inset-block-end: auto;
	margin: 0;
	width: min(72vw, 980px);
	max-width: calc(100vw - var(--assistant-anchor-right, 3vw) - 2rem);
	height: min(76vh, 720px);
	max-height: calc(100vh - var(--assistant-anchor-top, 8vh) - 3rem);
	min-height: 420px;
	z-index: 1000;
	transform-origin: top right;
	box-shadow: 0 1.25rem 3rem rgba(20, 35, 45, .2);
}
@media (max-width: 52rem) {
	.assistant-workspace--expanded { inset: 1rem; width: auto; height: calc(100vh - 2rem); min-height: 0; }
}
@media (prefers-reduced-motion: no-preference) {
	.assistant-workspace--expanded { animation: assistant-window-in .18s ease-out; }
}
@keyframes assistant-window-in { from { opacity: 0; transform: scale(.98); } to { opacity: 1; transform: scale(1); } }
.assistant-workspace--expanded > .assistant-chat-header,
.assistant-workspace--expanded > .assistant-dialog,
.assistant-workspace--expanded > .assistant-status,
.assistant-workspace--expanded > .assistant-form {
	width: min(100%, 78rem);
	margin-inline: auto;
}
.assistant-workspace--expanded > .assistant-dialog {
	margin-top: .8rem;
	padding-bottom: .35rem;
}
.assistant-workspace--expanded > .assistant-form { margin-top: .55rem; }
.assistant-workspace--expanded .assistant-dialog { max-height: none; }
.assistant-workspace--expanded .assistant-expand { color: var(--atlas-ink); }
@media (max-width: 52rem) {
	.assistant-workspace--compact.assistant-workspace--active .assistant-dialog { max-height: 42vh; }
	.assistant-workspace--expanded { padding-inline: .8rem; }
}

/* Phase 2T-AJ: lighter, tighter assistant narrative typography. */
.assistant-dialog .assistant-turn__answer { font-weight: 400; line-height: 1.48; }
.assistant-dialog .assistant-turn__answer strong, .assistant-dialog .assistant-turn__answer em { font-weight: 600; }

/* Homepage compact assistant: keep controls anchored to their owning regions. */
.home-hero-split__assistant .assistant-chat-header {
	display: grid;
	grid-template-columns: minmax(0, 1fr) auto;
	align-items: start;
	gap: 1rem;
}
.home-hero-split__assistant .assistant-chat-header .assistant-intro {
	grid-column: 1;
	grid-row: 1;
	justify-self: start;
	text-align: left;
	width: auto;
}
.home-hero-split__assistant .assistant-chat-header__actions {
	grid-column: 2;
	grid-row: 1;
	align-items: flex-start;
	justify-self: end;
}
.home-hero-split__assistant .assistant-composer textarea {
	padding-right: 4.8rem;
	padding-bottom: 2rem;
}
.home-hero-split__assistant .assistant-send {
	right: .7rem;
	bottom: .65rem;
	width: 2.25rem;
	height: 2.25rem;
}
.home-hero-split__assistant .assistant-counter {
	right: 3.35rem;
	bottom: .9rem;
}
@media (max-width: 38rem) {
	.home-hero-split__assistant .assistant-chat-header { gap: .6rem; }
	.home-hero-split__assistant .assistant-chat-header__actions { align-items: flex-start; }
}

/* Release candidate: compact, hierarchical assistant typography. */
.assistant-page .assistant-intro h1 {
	font-size: clamp(1.9rem, 4vw, 3rem);
	line-height: 1.08;
}
.assistant-page .assistant-intro__lead {
	font-size: clamp(.92rem, 1.5vw, 1.05rem);
	line-height: 1.45;
}
.assistant-page .assistant-form,
.assistant-workspace .assistant-form { font-size: .9rem; }
.assistant-page .assistant-turn__question { font-size: .76rem; }
.assistant-page .assistant-turn__answer {
	font-size: .94rem;
	line-height: 1.5;
}
.assistant-workspace .eyebrow { font-size: .66rem; }
.assistant-workspace .assistant-intro h2 {
	font-size: clamp(1.12rem, 1.8vw, 1.5rem);
	line-height: 1.15;
}
.assistant-workspace .assistant-intro__lead {
	font-size: .8rem;
	line-height: 1.4;
}
.assistant-workspace .assistant-expand { font-size: .74rem; }
.assistant-dialog .assistant-turn__question { font-size: .64rem; }
.assistant-dialog .assistant-turn__question--text {
	font-size: .86rem;
	line-height: 1.42;
}
.assistant-dialog .assistant-turn__label { font-size: .64rem; }
.assistant-dialog .assistant-turn__answer {
	font-size: .9rem;
	line-height: 1.5;
}
.assistant-dialog .assistant-turn__status { font-size: .76rem; }
.assistant-composer textarea { font-size: .86rem; }
.assistant-counter { font-size: .64rem; }

/* Smaller, lighter dialog typography; question/answer alignment, color and
   background swap; collapsed-by-default sources toggle. */
.assistant-dialog .assistant-turn__question--text { font-size: .8rem; line-height: 1.42; font-weight: 400; }
.assistant-dialog .assistant-turn__answer { font-size: .82rem; line-height: 1.5; }
.assistant-composer textarea { font-size: .8rem; }
.assistant-dialog .assistant-turn:not(.assistant-turn--loading):not(.assistant-turn--error) .assistant-turn__question:first-child { text-align: left; }
.assistant-dialog .assistant-turn:not(.assistant-turn--loading):not(.assistant-turn--error) .assistant-turn__question--text { margin-left: 0; max-width: 88%; text-align: left; color: var(--atlas-ink); background: var(--atlas-soft); }
.assistant-dialog .assistant-turn:not(.assistant-turn--loading):not(.assistant-turn--error) .assistant-turn__answer { background: none; color: var(--atlas-ink); padding-inline: 0; }
@media (max-width: 52rem) { .assistant-dialog .assistant-turn:not(.assistant-turn--loading):not(.assistant-turn--error) .assistant-turn__question--text { max-width: 94%; } }
.assistant-turn__sources { margin-top: .5rem; }
.assistant-turn__sources summary { cursor: pointer; color: var(--atlas-muted); font-size: .76rem; font-weight: 700; }
.assistant-turn__sources ul { margin: .4rem 0 0; padding-left: 1.1rem; }
.assistant-turn__sources li { font-size: .78rem; margin-bottom: .25rem; }

/* Desktop: expanded becomes a full-height lateral pane fixed to the right
   edge, with the page's own content reflowing (narrowing) to make room,
   instead of a floating overlay covering it. Mobile is untouched: this
   whole block only ever matches at the site's existing desktop breakpoint,
   so every unscoped .assistant-workspace--expanded rule above still governs
   mobile exactly as before. */
:root { --assistant-pane-width: min(26rem, 34vw); }
@media (min-width: 52rem) {
	.assistant-workspace--expanded {
		inset-block-start: 0;
		inset-inline-end: 0;
		inset-inline-start: auto;
		inset-block-end: 0;
		width: var(--assistant-pane-width);
		max-width: var(--assistant-pane-width);
		height: 100dvh;
		max-height: none;
		min-height: 0;
		border-radius: 0;
		transform-origin: right center;
		box-shadow: -1.5rem 0 3rem rgba(20, 35, 45, .15);
	}
	/* Reflow, not cover: reserve the pane's width on the main content so it
	   visibly narrows. .site-shell's own width/centering is percentage-based
	   against body's content box, so this single rule narrows every page. */
	body.assistant-expanded {
		padding-right: var(--assistant-pane-width);
		overflow: visible;
		overflow-x: hidden;
	}
	/* The pane's own open/close is now the single "Agrandir" affordance;
	   once open, only "×" closes it — no separate "Réduire" control. */
	.assistant-workspace--expanded .assistant-expand { display: none; }
	.assistant-expand::before { content: "↗ "; }
}