/* OAI app shell — built on the design-system tokens (ds/styles.css). */

.icon { width: 20px; height: 20px; flex: none; fill: none; stroke: currentColor;
  stroke-width: 1.75; stroke-linecap: round; stroke-linejoin: round; }
[hidden] { display: none !important; }

/* ── App grid ─────────────────────────────── */
.app { display: grid; grid-template-columns: 232px 1fr; height: 100vh; overflow: hidden; }

/* ── Nav rail ─────────────────────────────── */
.rail { display: flex; flex-direction: column; background: var(--surface-raised);
  border-right: 1px solid var(--border-subtle); padding: var(--space-4) var(--space-3); gap: var(--space-2); }
.rail__brand { padding: var(--space-2) var(--space-3) var(--space-4); }
.brand-mark { font: var(--text-h2); color: var(--brand-primary); letter-spacing: var(--tracking-tight); }
.rail__nav { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 2px; flex: 1; }
.rail__item { display: flex; align-items: center; gap: var(--space-3); padding: 10px var(--space-3);
  border-radius: var(--radius-md); color: var(--text-2); font: var(--text-body-sm); font-weight: 500;
  cursor: pointer; border: 0; background: none; width: 100%; text-align: left; transition: background var(--duration-fast) var(--ease-standard), color var(--duration-fast); }
.rail__item:hover { background: var(--surface-sunken); color: var(--text-1); text-decoration: none; }
.rail__item.is-active { background: var(--p-50); color: var(--brand-primary); font-weight: 600; }
:root[data-theme="dark"] .rail__item.is-active { background: var(--info-bg); }
.rail__foot { display: flex; flex-direction: column; gap: var(--space-2); border-top: 1px solid var(--border-subtle); padding-top: var(--space-3); }
.rail__user { display: flex; align-items: center; gap: var(--space-3); padding: var(--space-2) var(--space-3); font: var(--text-body-sm); color: var(--text-2); }

.avatar { width: 28px; height: 28px; border-radius: var(--radius-pill); display: grid; place-items: center;
  font: var(--text-caption); font-weight: 700; flex: none; }
.avatar--human { background: var(--n-200); color: var(--text-1); }
.avatar--ai { background: var(--brand-primary); color: var(--text-on-brand); border-radius: var(--radius-md); }

/* ── Top bar ──────────────────────────────── */
/* min-height:0 is load-bearing, not tidying. A grid item (.main) and a flex item
   (.screen) both default to min-height:auto, so neither will shrink below its
   content — .screen grew to 1354px inside a 910px window, `overflow:auto` never
   engaged, and `.app{overflow:hidden}` simply clipped the rest away. The Inbox
   composer and the Tri thức pagination were not off-screen-but-scrollable; they
   were unreachable at 100% zoom, which is why zooming out was the only way to
   see them. */
.main { display: flex; flex-direction: column; min-width: 0; min-height: 0; }
.topbar { display: flex; align-items: center; justify-content: space-between; gap: var(--space-4);
  padding: var(--space-4) var(--space-6); border-bottom: 1px solid var(--border-subtle); background: var(--surface-bg); }
.topbar__title h1 { font: var(--text-h2); color: var(--text-1); }
.topbar__sub { font: var(--text-body-sm); color: var(--text-3); margin-top: 2px; }
.topbar__actions { display: flex; align-items: center; gap: var(--space-3); }
.search { display: flex; align-items: center; gap: var(--space-2); background: var(--surface-raised);
  border: 1px solid var(--border-default); border-radius: var(--radius-md); padding: 8px var(--space-3); color: var(--text-3); }
.search input { border: 0; background: none; outline: none; color: var(--text-1); font: var(--text-body-sm); width: 180px; }
.ai-badge { display: inline-flex; align-items: center; gap: 6px; font: var(--text-caption); font-weight: 600;
  color: var(--success-fg); background: var(--success-bg); border: 1px solid var(--success-border); padding: 5px 10px; border-radius: var(--radius-pill); }
.ai-badge .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--success-fg); }
.icon-btn { display: grid; place-items: center; width: 36px; height: 36px; border-radius: var(--radius-md);
  border: 1px solid var(--border-default); background: var(--surface-raised); color: var(--text-2); cursor: pointer; }
.icon-btn:hover { background: var(--surface-sunken); color: var(--text-1); }

/* ── Screen area ──────────────────────────── */
.screen { flex: 1; min-height: 0; overflow: auto; padding: var(--space-6); }
.screen-mount { width: 100%; height: 100%; min-height: 0; }

/* ── Buttons ──────────────────────────────── */
.btn { display: inline-flex; align-items: center; gap: var(--space-2); font: var(--text-body-sm); font-weight: 600;
  padding: 9px var(--space-4); border-radius: var(--radius-md); border: 1px solid transparent; cursor: pointer;
  transition: background var(--duration-fast) var(--ease-standard); }
.btn--primary { background: var(--brand-primary); color: var(--text-on-brand); }
.btn--primary:hover { background: var(--brand-primary-hover); }
.btn--ghost { background: var(--surface-raised); color: var(--text-1); border-color: var(--border-default); }
.btn--ghost:hover { background: var(--surface-sunken); }
.btn--danger { background: var(--danger-bg); color: var(--danger-fg); border-color: var(--danger-border); }
.btn--danger:hover { background: color-mix(in srgb, var(--danger-bg) 74%, var(--danger-fg)); color: var(--text-on-brand); }
.btn--sm { padding: 6px 10px; font: var(--text-caption); font-weight: 600; }
.btn[disabled], .icon-btn[disabled] { opacity: .45; cursor: not-allowed; }

/* ── Cards / panels ───────────────────────── */
.card { background: var(--surface-card); border: 1px solid var(--border-subtle); border-radius: var(--radius-lg); box-shadow: var(--shadow-1); }
.stat-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: var(--space-4); margin-bottom: var(--space-6); }
.stat { padding: var(--space-5); }
.stat__label { font: var(--text-caption); font-weight: 600; color: var(--text-3); text-transform: uppercase; letter-spacing: var(--tracking-wide); }
.stat__value { font: var(--text-h1); color: var(--text-1); margin-top: var(--space-2); }
.stat__delta { font: var(--text-caption); font-weight: 600; color: var(--success-fg); margin-top: 4px; }

/* ── Tabs ─────────────────────────────────── */
.tabs { display: flex; gap: 2px; border-bottom: 1px solid var(--border-subtle); margin-bottom: var(--space-5); }
.tab { padding: 10px var(--space-4); font: var(--text-body-sm); font-weight: 600; color: var(--text-2);
  border: 0; background: none; cursor: pointer; border-bottom: 2px solid transparent; margin-bottom: -1px; }
.tab:hover { color: var(--text-1); }
.tab.is-active { color: var(--brand-primary); border-bottom-color: var(--brand-primary); }

/* ── Section header ───────────────────────── */
.section-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: var(--space-4); }
.section-head h2 { font: var(--text-h3); color: var(--text-1); }
.section-head p { font: var(--text-body-sm); color: var(--text-3); }

/* ── List rows (Q&A / materials / documents) ─ */
.qa-list { display: flex; flex-direction: column; gap: var(--space-3); }
.qa-item { padding: var(--space-4) var(--space-5); display: grid; grid-template-columns: 1fr auto; gap: var(--space-3); align-items: start; }
.qa-item__q { font: var(--text-body); font-weight: 600; color: var(--text-1); }
.qa-item__a { font: var(--text-body-sm); color: var(--text-2); margin-top: 4px; }
.qa-item__meta { display: flex; align-items: center; gap: var(--space-2); margin-top: var(--space-3); flex-wrap: wrap; }
.qa-item__actions { display: flex; align-items: center; gap: var(--space-2); }

.badge { display: inline-flex; align-items: center; font: var(--text-caption); font-weight: 600;
  padding: 3px 9px; border-radius: var(--radius-pill); }
.badge--cat { background: var(--surface-sunken); color: var(--text-2); border: 1px solid var(--border-subtle); }
.badge--on { background: var(--success-bg); color: var(--success-fg); }
.badge--off { background: var(--surface-sunken); color: var(--text-3); }
.variant-chip { font: var(--text-caption); color: var(--text-3); background: var(--surface-sunken);
  border: 1px solid var(--border-subtle); border-radius: var(--radius-sm); padding: 2px 7px; }

/* ── Switch ───────────────────────────────── */
.switch { position: relative; width: 36px; height: 20px; border-radius: var(--radius-pill);
  background: var(--n-300); border: 0; cursor: pointer; transition: background var(--duration-base); flex: none; }
.switch::after { content: ""; position: absolute; top: 2px; left: 2px; width: 16px; height: 16px;
  border-radius: 50%; background: #fff; transition: transform var(--duration-base) var(--ease-standard); }
.switch.is-on { background: var(--brand-primary); }
.switch.is-on::after { transform: translateX(16px); }

/* ── Data table (Tri thức: Hỏi đáp / Vật liệu / Tài liệu) ─
   The screen owns vertical scrolling; this component owns only horizontal
   scrolling for its intentionally wide table. Keeping one scroll owner per axis
   prevents the toolbar or pagination from being clipped by nested flex boxes. */
.dt { background: var(--surface-card); border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg); overflow: hidden; min-width: 0; }
.dt__tools { display: flex; gap: var(--space-2); align-items: center; flex-wrap: wrap;
  padding: var(--space-3) var(--space-4); border-bottom: 1px solid var(--border-subtle); }
.dt__tools input, .dt__tools select { border: 1px solid var(--border-default); border-radius: var(--radius-md);
  padding: 8px var(--space-3); background: var(--surface-raised); color: var(--text-1); font: var(--text-body-sm); }
.dt__search { flex: 1; min-width: 200px; max-width: 340px; }
.dt__tools-spacer { flex: 1 1 auto; }
.dt__selection { display: flex; align-items: center; flex-wrap: wrap; gap: var(--space-2);
  padding: var(--space-2) var(--space-4); background: var(--info-bg); color: var(--info-fg);
  border-bottom: 1px solid var(--info-border); font: var(--text-body-sm); }
.dt__selection[hidden] { display: none; }
.dt__selection-spacer { flex: 1; }
.dt__select-cell { width: 44px; min-width: 44px; text-align: center !important; padding-left: var(--space-3) !important;
  padding-right: var(--space-2) !important; }
.dt__select-cell input { width: 16px; height: 16px; accent-color: var(--brand-primary); cursor: pointer; }
.dt__scroll-hint { display: none; margin: 0; padding: 7px var(--space-4);
  border-bottom: 1px solid var(--border-subtle); background: var(--info-bg);
  color: var(--info-fg); font: var(--text-caption); }
.dt__scroll { max-width: 100%; overflow-x: auto; overflow-y: visible;
  overscroll-behavior: contain; scrollbar-gutter: stable; }
.dt__scroll:focus-visible { box-shadow: inset var(--focus-ring); }

/* Knowledge uses the main screen as its single vertical scroll owner. This is
   deliberately scoped so Inbox and Agent Studio keep their panel layouts. */
.screen:has(> #kbBody) { display: block; overflow-x: hidden; overflow-y: auto; }
#kbBody, #kbBody > #qaList, #kbBody > #mList, #kbBody > #dList { min-width: 0; }
.dt table { width: 100%; min-width: 720px; border-collapse: collapse; }
.dt th { position: sticky; top: 0; z-index: 1; background: var(--surface-sunken); text-align: left;
  font: var(--text-caption); font-weight: 600; color: var(--text-3); text-transform: uppercase;
  letter-spacing: var(--tracking-wide); padding: 10px var(--space-4);
  border-bottom: 1px solid var(--border-subtle); white-space: nowrap; }
.dt td { padding: var(--space-3) var(--space-4); border-bottom: 1px solid var(--border-subtle);
  font: var(--text-body-sm); color: var(--text-2); vertical-align: top; }
.dt tbody tr:last-child td { border-bottom: 0; }
.dt tbody tr:hover { background: var(--surface-sunken); }
.dt tbody tr.is-selected { background: color-mix(in srgb, var(--brand-primary) 8%, var(--surface-card)); }
.dt tbody tr.is-selected:hover { background: color-mix(in srgb, var(--brand-primary) 12%, var(--surface-card)); }
.dt__q { font: var(--text-body-sm); font-weight: 600; color: var(--text-1); }
.dt__clamp, .dt__answer-preview { display: -webkit-box; -webkit-line-clamp: 3; line-clamp: 3;
  -webkit-box-orient: vertical; overflow: hidden; }
.dt__answer summary { display: flex; flex-direction: column; align-items: flex-start; gap: 5px;
  list-style: none; cursor: pointer; }
.dt__answer summary::-webkit-details-marker { display: none; }
.dt__answer-action { color: var(--brand-primary); font: var(--text-caption); font-weight: 700; }
.dt__answer-action--close { display: none; }
.dt__answer[open] .dt__answer-preview { display: none; }
.dt__answer[open] .dt__answer-action--open { display: none; }
.dt__answer[open] .dt__answer-action--close { display: inline; }
.dt__answer-full { margin-top: var(--space-2); color: var(--text-2); line-height: 1.55;
  overflow-wrap: anywhere; white-space: pre-wrap; }
.dt__acts { display: flex; align-items: center; gap: 6px; white-space: nowrap; }
.dt__thumb { width: 44px; height: 44px; border-radius: var(--radius-md); object-fit: cover;
  background: var(--surface-sunken); border: 1px solid var(--border-subtle); display: block; }
.dt__empty { padding: var(--space-10) var(--space-6); text-align: center; color: var(--text-3); }
.dt__foot { display: flex; align-items: center; gap: var(--space-3); flex-wrap: wrap;
  padding: var(--space-3) var(--space-4); border-top: 1px solid var(--border-subtle);
  font: var(--text-body-sm); color: var(--text-3); }
.dt__foot select { border: 1px solid var(--border-default); border-radius: var(--radius-md);
  padding: 5px var(--space-2); background: var(--surface-raised); color: var(--text-1); font: var(--text-caption); }
.dt__pages { margin-left: auto; display: flex; align-items: center; gap: 4px; }
.dt__pg { min-width: 32px; height: 32px; padding: 0 8px; border-radius: var(--radius-md);
  border: 1px solid var(--border-default); background: var(--surface-raised); color: var(--text-2);
  font: var(--text-body-sm); cursor: pointer; }
.dt__pg:hover:not([disabled]) { background: var(--surface-sunken); color: var(--text-1); }
.dt__pg.is-on { background: var(--brand-primary); color: var(--text-on-brand); border-color: var(--brand-primary); }
.dt__pg[disabled] { opacity: .4; cursor: default; }

/* ── Q&A sets: catalog → one scoped workspace ─────────────
   Sets are navigation, not decorative cards. The left rail answers "which business
   scope?" while the right pane contains every action that can mutate that scope. */
.qa-set-page-head { flex: none; }
.qa-set-layout { min-width: 0; display: grid; grid-template-columns: minmax(240px, 280px) minmax(0, 1fr);
  align-items: start; border: 1px solid var(--border-subtle); border-radius: var(--radius-lg); overflow: visible;
  background: var(--surface-card); box-shadow: var(--shadow-1); }
.qa-set-library { min-width: 0; overflow: auto; border-right: 1px solid var(--border-subtle);
  background: var(--surface-sunken); }
.qa-set-library__head { position: sticky; top: 0; z-index: 2; padding: var(--space-4);
  border-bottom: 1px solid var(--border-subtle); background: var(--surface-sunken); }
.qa-set-library__head b, .qa-set-library__head span { display: block; }
.qa-set-library__head b { color: var(--text-1); font: var(--text-body-sm); font-weight: 700; }
.qa-set-library__head span { margin-top: 3px; color: var(--text-3); font: var(--text-caption); }
.qa-set-nav { width: 100%; display: grid; gap: 5px; padding: var(--space-3) var(--space-4);
  border: 0; border-bottom: 1px solid var(--border-subtle); border-left: 3px solid transparent;
  background: transparent; color: var(--text-2); text-align: left; cursor: pointer; }
.qa-set-nav:hover { background: color-mix(in srgb, var(--surface-raised) 72%, transparent); }
.qa-set-nav.is-active { border-left-color: var(--brand-primary); background: var(--surface-raised); }
.qa-set-nav__name { color: var(--text-1); font: var(--text-body-sm); font-weight: 700;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.qa-set-nav__meta { display: flex; justify-content: space-between; gap: var(--space-2);
  color: var(--text-3); font: var(--text-caption); }
.qa-set-nav__agents { color: var(--info-fg); font: var(--text-caption); }
.qa-set-archived { border-top: 1px solid var(--border-subtle); }
.qa-set-archived > summary { padding: var(--space-3) var(--space-4); color: var(--text-3);
  font: var(--text-caption); font-weight: 700; cursor: pointer; }
.qa-set-archived .qa-set-nav { opacity: .7; }
.qa-set-workspace { min-width: 0; display: block; overflow: visible; }
.qa-set-workspace__head { flex: none; display: flex; justify-content: space-between; align-items: flex-start;
  gap: var(--space-4); padding: var(--space-5); border-bottom: 1px solid var(--border-subtle);
  background: var(--surface-raised); }
.qa-set-workspace__identity { min-width: 0; }
.qa-set-workspace__eyebrow { display: block; margin-bottom: 4px; color: var(--brand-primary);
  font: var(--text-caption); font-weight: 700; letter-spacing: var(--tracking-wide); text-transform: uppercase; }
.qa-set-workspace__identity h3 { color: var(--text-1); font: var(--text-h2); overflow-wrap: anywhere; }
.qa-set-workspace__identity > p { max-width: 760px; margin-top: 4px; color: var(--text-3);
  font: var(--text-body-sm); line-height: 1.5; }
.qa-set-workspace__stats { display: flex; flex-wrap: wrap; gap: var(--space-4); margin-top: var(--space-3);
  color: var(--text-3); font: var(--text-caption); }
.qa-set-workspace__stats b { color: var(--text-1); }
.qa-set-workspace__actions { flex: none; display: flex; flex-wrap: wrap; gap: var(--space-2); }
.qa-set-workspace > #qaList { min-width: 0; }
.qa-set-workspace > #qaList > .dt { border: 0; border-radius: 0; box-shadow: none; }
.qa-set-onboarding { height: 100%; display: grid; place-content: center; justify-items: center;
  gap: var(--space-3); padding: var(--space-8); text-align: center; color: var(--text-3); }
.qa-set-onboarding .icon { width: 36px; height: 36px; color: var(--brand-primary); }
.qa-set-onboarding h3 { color: var(--text-1); font: var(--text-h3); }
.qa-set-onboarding p { max-width: 480px; font: var(--text-body-sm); line-height: 1.55; }
.qa-inline-form { flex: none; margin: var(--space-4); }
.qa-inline-form__scope { padding: var(--space-3); border-radius: var(--radius-md);
  background: var(--info-bg); color: var(--info-fg); font: var(--text-body-sm); }
.qa-inline-form__safety { padding: var(--space-3); border: 1px solid var(--warning-border);
  border-radius: var(--radius-md); background: var(--warning-bg); color: var(--warning-fg);
  font: var(--text-body-sm); line-height: 1.5; }
.dt__move-label { display: inline-flex; align-items: center; gap: var(--space-2); }
.dt__move-label select { min-width: 170px; padding: 6px var(--space-2); border: 1px solid var(--info-border);
  border-radius: var(--radius-md); background: var(--surface-raised); color: var(--text-1); }

/* One reusable, keyboard-dismissible surface serves set metadata and the guarded
   import flow. It stays above the app without modifying the page's scroll state. */
.qa-set-modal { position: fixed; inset: 0; z-index: 100; display: grid; place-items: center;
  padding: var(--space-5); background: var(--surface-overlay, rgba(13, 15, 21, .58)); }
.qa-set-dialog { width: min(620px, 100%); max-height: min(880px, 92vh); overflow: auto;
  padding: var(--space-5); border: 1px solid var(--border-subtle); border-radius: var(--radius-lg);
  background: var(--surface-raised); box-shadow: var(--shadow-3); }
.qa-set-dialog__head { display: flex; justify-content: space-between; align-items: flex-start;
  gap: var(--space-4); margin-bottom: var(--space-5); }
.qa-set-dialog__head h2, .qa-set-dialog__head h3 { color: var(--text-1); font: var(--text-h2); }
.qa-set-dialog__head p { max-width: 620px; margin-top: 4px; color: var(--text-3);
  font: var(--text-body-sm); line-height: 1.5; }
.qa-set-dialog > .field + .field { margin-top: var(--space-4); }
.qa-set-dialog__actions { display: flex; justify-content: flex-end; gap: var(--space-3);
  margin-top: var(--space-5); padding-top: var(--space-4); border-top: 1px solid var(--border-subtle); }
.igw-directory-dialog { width: min(1040px, 100%); overflow: hidden; }
.igw-directory-toolbar { display: grid; grid-template-columns: minmax(220px, 1fr) minmax(160px, 220px) auto;
  gap: var(--space-2); }
.igw-directory-toolbar input, .igw-directory-toolbar select { min-width: 0; width: 100%; padding: 9px var(--space-3);
  border: 1px solid var(--border-default); border-radius: var(--radius-md); background: var(--surface-raised);
  color: var(--text-1); font: var(--text-body-sm); }
.igw-directory-safety { margin: var(--space-3) 0; padding: var(--space-3) var(--space-4);
  border: 1px solid var(--info-border); border-radius: var(--radius-md); background: var(--info-bg);
  color: var(--info-fg); font: var(--text-body-sm); line-height: 1.45; }
.igw-directory-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(285px, 1fr)); gap: var(--space-3);
  max-height: min(430px, 48vh); overflow: auto; padding: 2px; }
.igw-connector-card { display: flex; align-items: flex-start; justify-content: space-between; gap: var(--space-3);
  min-width: 0; padding: var(--space-4); border: 1px solid var(--border-subtle); border-radius: var(--radius-md);
  background: var(--surface-sunken); }
.igw-connector-card__body { min-width: 0; }
.igw-connector-card__body b { display: block; color: var(--text-1); font: var(--text-body-sm); font-weight: 700; }
.igw-connector-card__body p { margin: 4px 0 var(--space-2); color: var(--text-3); font: var(--text-caption);
  line-height: 1.45; }
.igw-directory-connections { margin-top: var(--space-5); }
.igw-directory-connections h3 { color: var(--text-1); font: var(--text-h3); }
.igw-account-list { margin-top: var(--space-2); border: 1px solid var(--border-subtle); border-radius: var(--radius-md); overflow: hidden; }
.igw-account-row { display: flex; align-items: center; gap: var(--space-2); padding: var(--space-3);
  border-bottom: 1px solid var(--border-subtle); }
.igw-account-row:last-child { border-bottom: 0; }
.igw-account-row > div { min-width: 0; margin-right: auto; }
.igw-account-row b, .igw-account-row span { display: block; overflow-wrap: anywhere; }
.igw-account-row b { color: var(--text-1); font: var(--text-body-sm); font-weight: 700; }
.igw-account-row span, .igw-empty { color: var(--text-3); font: var(--text-caption); }
.igw-capability-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-2); max-height: min(48vh, 520px); overflow: auto; padding: var(--space-2); }
.igw-capability-list label { display: flex; align-items: flex-start; gap: var(--space-2); min-width: 0;
  padding: 9px var(--space-3); border: 1px solid var(--border-subtle); border-radius: var(--radius-md);
  color: var(--text-2); font: var(--text-body-sm); overflow-wrap: anywhere; cursor: pointer; }
.igw-capability-list label:hover { border-color: var(--border-default); background: var(--surface-sunken); }
.igw-capability-list label:has(input:checked) { border-color: var(--info-border); background: var(--info-bg); }
.igw-capability-list input { flex: none; width: 17px; height: 17px; margin-top: 2px;
  accent-color: var(--brand-primary); }
.igw-panel { overflow: hidden; border: 1px solid var(--border-subtle); border-radius: var(--radius-lg);
  background: var(--surface-raised); box-shadow: var(--shadow-1); }
.igw-panel__head { display: flex; align-items: flex-start; justify-content: space-between; gap: var(--space-4);
  padding: var(--space-5); border-bottom: 1px solid var(--border-subtle); }
.igw-panel__head h2 { color: var(--text-1); font: var(--text-h2); }
.igw-panel__head p { max-width: 700px; margin-top: 4px; color: var(--text-3); font: var(--text-body-sm); line-height: 1.5; }
.igw-overview { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px;
  margin: var(--space-4) var(--space-5) 0; overflow: hidden; border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md); background: var(--border-subtle); }
.igw-overview > div { display: grid; gap: 2px; padding: var(--space-3) var(--space-4); background: var(--surface-sunken); }
.igw-overview b { color: var(--text-1); font: var(--text-h3); }
.igw-overview span { color: var(--text-3); font: var(--text-caption); }
.igw-connections { display: grid; gap: var(--space-3); padding: var(--space-4) var(--space-5); }
.igw-connection { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: var(--space-4); align-items: center;
  min-width: 0; padding: var(--space-4); border: 1px solid var(--border-subtle); border-radius: var(--radius-md);
  background: var(--surface-raised); }
.igw-connection__main { min-width: 0; }
.igw-connection__identity { display: flex; align-items: flex-start; justify-content: space-between; gap: var(--space-3); }
.igw-connection__identity > div { min-width: 0; }
.igw-connection__identity h3 { color: var(--text-1); font: var(--text-h3); overflow-wrap: anywhere; }
.igw-connection__identity p { margin-top: 3px; color: var(--text-3); font: var(--text-caption); overflow-wrap: anywhere; }
.igw-status { flex: none; display: inline-flex; align-items: center; min-height: 24px; padding: 3px 9px;
  border-radius: 999px; font: var(--text-caption); font-weight: 700; }
.igw-status--on { background: var(--success-bg); color: var(--success-fg); }
.igw-status--pending { background: var(--info-bg); color: var(--info-fg); }
.igw-status--warning { background: var(--warning-bg); color: var(--warning-fg); }
.igw-status--danger { background: var(--danger-bg); color: var(--danger-fg); }
.igw-status--muted { background: var(--surface-sunken); color: var(--text-3); }
.igw-connection__permission { display: flex; flex-wrap: wrap; gap: 4px var(--space-2); margin-top: var(--space-3);
  color: var(--text-3); font: var(--text-caption); }
.igw-connection__permission b { color: var(--text-2); font-weight: 600; }
.igw-connection__readiness { display: grid; gap: 2px; margin-top: var(--space-2); padding: 8px 10px;
  border: 1px solid color-mix(in srgb, var(--warning-fg) 28%, var(--border-subtle));
  border-radius: var(--radius-sm); background: var(--warning-bg); color: var(--warning-fg);
  font: var(--text-caption); line-height: 1.4; }
.igw-connection__readiness span { color: inherit; overflow-wrap: anywhere; }
.igw-connection__permission--facebook { display: grid; gap: 7px; }
.igw-connection__task-list { display: flex; flex-wrap: wrap; gap: 6px; }
.igw-connection__task { display: inline-flex; align-items: center; gap: 5px; min-height: 25px; padding: 3px 8px;
  border-radius: 999px; background: var(--surface-sunken); color: var(--text-3); font-weight: 700; }
.igw-connection__task.is-on { background: var(--success-bg); color: var(--success-fg); }
.igw-connection__task small { padding-left: 5px; border-left: 1px solid currentColor; color: inherit; font-size: 10px; }
.igw-connection__page-warning { color: var(--warning-fg); font-weight: 700; }
.igw-connection__actions { display: flex; justify-content: flex-end; flex-wrap: wrap; gap: var(--space-2); max-width: 360px; }
.igw-empty-state { display: grid; justify-items: center; gap: var(--space-2); padding: var(--space-8);
  border: 1px dashed var(--border-default); border-radius: var(--radius-md); text-align: center; }
.igw-empty-state b { color: var(--text-1); font: var(--text-h3); }
.igw-empty-state span { max-width: 440px; color: var(--text-3); font: var(--text-body-sm); }
.igw-audit { margin: 0 var(--space-5) var(--space-4); border-top: 1px solid var(--border-subtle); }
.igw-audit > summary { display: flex; align-items: center; gap: var(--space-2); padding: var(--space-3) 0;
  color: var(--text-2); font: var(--text-body-sm); font-weight: 650; cursor: pointer; }
.igw-audit > summary span { display: inline-grid; min-width: 22px; min-height: 22px; place-items: center;
  border-radius: 999px; background: var(--surface-sunken); color: var(--text-3); font: var(--text-caption); }
.igw-audit-list { overflow: hidden; border: 1px solid var(--border-subtle); border-radius: var(--radius-md); }
.igw-audit-row { display: flex; justify-content: space-between; gap: var(--space-4); align-items: center;
  padding: var(--space-3) var(--space-4); border-bottom: 1px solid var(--border-subtle); background: var(--surface-sunken); }
.igw-audit-row:last-child { border-bottom: 0; }
.igw-audit-row > div { min-width: 0; }
.igw-audit-row b, .igw-audit-row span, .igw-audit-row small { display: block; overflow-wrap: anywhere; }
.igw-audit-row b { color: var(--text-2); font: var(--text-body-sm); font-weight: 650; }
.igw-audit-row span, .igw-audit-row small { margin-top: 2px; color: var(--text-3); font: var(--text-caption); }
.igw-panel__note { margin: 0 var(--space-5) var(--space-4); color: var(--text-3); font: var(--text-caption); line-height: 1.45; }
.igw-capability-dialog { width: min(860px, 100%); }
.igw-capability-mode { display: block; }
.igw-permission-summary { display: flex; align-items: center; justify-content: space-between; gap: var(--space-3);
  margin-top: var(--space-4); padding: var(--space-3) var(--space-4); border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md); background: var(--surface-sunken); }
.igw-permission-summary > b { color: var(--text-1); font: var(--text-body-sm); }
.igw-permission-summary > div { display: flex; justify-content: flex-end; flex-wrap: wrap; gap: 6px; }
.igw-permission-chip { display: inline-flex; padding: 3px 8px; border-radius: 999px; background: var(--surface-raised);
  color: var(--text-3); font: var(--text-caption); }
.igw-permission-chip--read { background: var(--success-bg); color: var(--success-fg); }
.igw-permission-chip--change { background: var(--info-bg); color: var(--info-fg); }
.igw-permission-chip--sensitive { background: var(--warning-bg); color: var(--warning-fg); }
.igw-permission-groups { display: grid; gap: var(--space-2); margin-top: var(--space-3); }
.igw-permission-group { overflow: hidden; border: 1px solid var(--border-subtle); border-radius: var(--radius-md);
  background: var(--surface-raised); }
.igw-permission-group > summary { display: flex; align-items: center; justify-content: space-between; gap: var(--space-3);
  padding: var(--space-3) var(--space-4); cursor: pointer; }
.igw-permission-group > summary span:first-child { min-width: 0; }
.igw-permission-group > summary b, .igw-permission-group > summary small { display: block; }
.igw-permission-group > summary b { color: var(--text-1); font: var(--text-body-sm); font-weight: 700; }
.igw-permission-group > summary small { margin-top: 2px; color: var(--text-3); font: var(--text-caption); }
.igw-permission-count { flex: none; padding: 3px 8px; border-radius: 999px; background: var(--surface-sunken);
  color: var(--text-2); font: var(--text-caption); }
.igw-permission-group__toolbar { display: flex; justify-content: flex-end; gap: var(--space-2);
  padding: var(--space-2) var(--space-3); border-top: 1px solid var(--border-subtle); background: var(--surface-sunken); }
.igw-permission-group .igw-capability-list { margin: 0; max-height: 280px; border-top: 1px solid var(--border-subtle); }
.igw-capability-list label span { min-width: 0; }
.igw-capability-list label b, .igw-capability-list label code { display: block; overflow-wrap: anywhere; }
.igw-capability-list label b { color: var(--text-2); font: var(--text-body-sm); font-weight: 600; }
.igw-capability-list label code { margin-top: 3px; color: var(--text-3); font: var(--text-caption); }
.igw-panel button:focus-visible, .igw-capability-dialog button:focus-visible,
.igw-capability-dialog input:focus-visible, .igw-capability-dialog select:focus-visible,
.igw-permission-group > summary:focus-visible { outline: 2px solid var(--brand-primary); outline-offset: 2px; }

/* Facebook stays one operational workspace in the UI while the persisted grants
   remain separate, auditable capabilities. The hierarchy favors task status first
   and keeps provider tool slugs behind a deliberate details disclosure. */
.igw-facebook-workspace { width: min(980px, 100%); padding: 0; overflow: hidden;
  display: grid; grid-template-rows: auto minmax(0, 1fr) auto; }
.igw-facebook-workspace button, .igw-facebook-workspace label, .igw-facebook-workspace summary {
  touch-action: manipulation; }
.igw-facebook-workspace__head { margin: 0; padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid var(--border-subtle); background: var(--surface-raised); }
.igw-eyebrow { display: block; margin-bottom: 5px; color: var(--brand-primary);
  font: var(--text-caption); font-weight: 800; letter-spacing: .08em; }
.igw-facebook-workspace__body { min-height: 0; overflow: auto; overscroll-behavior: contain;
  padding: var(--space-5) var(--space-6); scroll-padding-bottom: var(--space-5); }
.igw-facebook-summary { display: flex; align-items: center; justify-content: space-between; gap: var(--space-4);
  padding: var(--space-3) var(--space-4); border: 1px solid var(--info-border);
  border-radius: var(--radius-md); background: var(--info-bg); }
.igw-facebook-summary > div { display: flex; align-items: center; flex-wrap: wrap; gap: 6px; }
.igw-facebook-summary > div:first-child { display: grid; gap: 2px; }
.igw-facebook-summary b { color: var(--text-1); font: var(--text-body-sm); font-weight: 750; }
.igw-facebook-summary span { color: var(--text-3); font: var(--text-caption); }
.igw-facebook-summary__item { display: inline-flex; min-height: 26px; align-items: center; padding: 3px 9px;
  border-radius: 999px; background: var(--surface-raised); color: var(--text-3) !important; font-weight: 700 !important; }
.igw-facebook-summary__item.is-on { background: var(--success-bg); color: var(--success-fg) !important; }
.igw-facebook-scope { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: end;
  gap: var(--space-4); margin-top: var(--space-4); padding-bottom: var(--space-4); border-bottom: 1px solid var(--border-subtle); }
.igw-facebook-scope .field input { width: 100%; }
.igw-facebook-scope small { display: block; margin-top: 5px; color: var(--text-3); font: var(--text-caption); line-height: 1.45; }
.igw-facebook-conflict { margin-top: var(--space-4); }
.igw-facebook-task-list { margin-top: var(--space-2); border-bottom: 1px solid var(--border-subtle); }
.igw-facebook-task { border-top: 1px solid var(--border-subtle); background: transparent;
  transition: background-color 160ms ease, box-shadow 160ms ease; }
.igw-facebook-task.is-enabled { background: var(--surface-sunken); box-shadow: inset 3px 0 var(--brand-primary); }
.igw-facebook-task__head { display: flex; align-items: center; justify-content: space-between; gap: var(--space-5);
  padding: var(--space-4); }
.igw-facebook-task__identity { display: flex; align-items: flex-start; gap: var(--space-3); min-width: 0; }
.igw-facebook-task__number { display: inline-grid; flex: none; width: 34px; height: 34px; place-items: center;
  border-radius: 50%; background: var(--surface-raised); color: var(--text-3); font: var(--text-caption); font-weight: 800; }
.igw-facebook-task.is-enabled .igw-facebook-task__number { background: var(--brand-primary); color: #fff; }
.igw-facebook-task h3, .igw-facebook-workspace__head h2 { overflow-wrap: anywhere; text-wrap: balance; }
.igw-facebook-task h3 { color: var(--text-1); font: var(--text-h3); }
.igw-facebook-task__identity p { margin-top: 3px; color: var(--text-3); font: var(--text-body-sm); line-height: 1.45; }
.igw-task-toggle { position: relative; display: inline-flex; flex: none; align-items: center; gap: var(--space-2); cursor: pointer; }
.igw-task-toggle input { position: absolute; width: 1px; height: 1px; opacity: 0; pointer-events: none; }
.igw-task-toggle > span { position: relative; width: 42px; height: 24px; border: 1px solid var(--border-default);
  border-radius: 999px; background: var(--surface-raised); transition: border-color 160ms ease, background-color 160ms ease; }
.igw-task-toggle > span::after { content: ""; position: absolute; top: 3px; left: 3px; width: 16px; height: 16px;
  border-radius: 50%; background: var(--text-3); transition: transform 160ms ease, background-color 160ms ease; }
.igw-task-toggle input:checked + span { border-color: var(--brand-primary); background: var(--brand-primary); }
.igw-task-toggle input:checked + span::after { transform: translateX(18px); background: #fff; }
.igw-task-toggle input:focus-visible + span { outline: 3px solid var(--focus-ring, var(--brand-primary)); outline-offset: 2px; }
.igw-task-toggle b { min-width: 58px; color: var(--text-3); font: var(--text-caption); font-weight: 700; }
.igw-facebook-task.is-enabled .igw-task-toggle b { color: var(--success-fg); }
.igw-facebook-task__body { padding: 0 var(--space-4) var(--space-4) 61px; }
.igw-facebook-task__body[hidden], .igw-facebook-read [hidden] { display: none; }
.igw-facebook-task__note { color: var(--text-2); font: var(--text-body-sm); line-height: 1.5; }
.igw-facebook-automation { display: grid; grid-template-columns: minmax(0, 1fr) minmax(180px, 220px);
  gap: var(--space-3); align-items: end; margin-top: var(--space-3); padding: var(--space-3);
  border: 1px solid var(--border-subtle); border-radius: var(--radius-md); background: var(--surface-raised); }
.igw-facebook-automation > label:first-child { display: flex; align-items: flex-start; gap: var(--space-2); cursor: pointer; }
.igw-facebook-automation > label:first-child input { flex: none; width: 18px; height: 18px; margin-top: 2px; accent-color: var(--brand-primary); }
.igw-facebook-automation b, .igw-facebook-automation small { display: block; }
.igw-facebook-automation b { color: var(--text-1); font: var(--text-body-sm); font-weight: 700; }
.igw-facebook-automation small { margin-top: 3px; color: var(--text-3); font: var(--text-caption); line-height: 1.4; }
.igw-facebook-trigger { grid-column: 1 / -1; display: flex; align-items: center; justify-content: space-between;
  gap: var(--space-2); padding-top: var(--space-2); border-top: 1px solid var(--border-subtle); }
.igw-facebook-tools { margin-top: var(--space-3); }
.igw-facebook-tools > summary { display: flex; align-items: center; justify-content: space-between; gap: var(--space-3);
  min-height: 40px; color: var(--brand-primary); font: var(--text-body-sm); font-weight: 700; cursor: pointer; }
.igw-facebook-tools > summary span { color: var(--text-3); font: var(--text-caption); font-weight: 600; }
.igw-facebook-tools > summary:focus-visible, .igw-facebook-read > summary:focus-visible {
  outline: 2px solid var(--brand-primary); outline-offset: 2px; }
.igw-facebook-read { margin-top: var(--space-4); border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md); background: var(--surface-raised); }
.igw-facebook-read > summary { display: flex; align-items: center; justify-content: space-between; gap: var(--space-3);
  padding: var(--space-3) var(--space-4); cursor: pointer; }
.igw-facebook-read > summary b, .igw-facebook-read > summary small { display: block; }
.igw-facebook-read > summary b { color: var(--text-1); font: var(--text-body-sm); font-weight: 700; }
.igw-facebook-read > summary small { margin-top: 2px; color: var(--text-3); font: var(--text-caption); }
.igw-facebook-read__body { padding: 0 var(--space-4) var(--space-4); }
.igw-facebook-read__toggle { display: flex; align-items: center; gap: var(--space-2); padding-top: var(--space-3);
  border-top: 1px solid var(--border-subtle); color: var(--text-2); font: var(--text-body-sm); cursor: pointer; }
.igw-facebook-read__toggle input { width: 18px; height: 18px; accent-color: var(--brand-primary); }
.igw-facebook-consent { display: flex; align-items: flex-start; gap: var(--space-2); margin-top: var(--space-4); }
.igw-facebook-consent input { flex: none; width: 18px; height: 18px; margin-top: 2px; accent-color: var(--brand-primary); }
.igw-facebook-workspace__actions { margin: 0; padding: var(--space-4) var(--space-6);
  background: var(--surface-raised); box-shadow: 0 -10px 28px rgba(15, 23, 42, .06); }
.igw-facebook-save-note { flex: 1; align-self: center; color: var(--text-3); font: var(--text-caption); }
.igw-facebook-save-note.is-error { color: var(--danger-fg); font-weight: 700; }
.igw-facebook-save-note.is-warning { color: var(--warning-fg); font-weight: 700; }
@media (max-width: 760px) {
  .igw-panel__head, .igw-connection, .igw-audit-row { align-items: stretch; flex-direction: column; }
  .igw-panel__head { display: flex; }
  .igw-panel__head .btn { align-self: flex-start; }
  .igw-overview { grid-template-columns: 1fr; }
  .igw-connection { grid-template-columns: 1fr; }
  .igw-connection__actions { justify-content: flex-start; max-width: none; }
  .igw-permission-summary { align-items: flex-start; flex-direction: column; }
  .igw-permission-summary > div { justify-content: flex-start; }
  .igw-facebook-workspace__head, .igw-facebook-workspace__body, .igw-facebook-workspace__actions {
    padding-left: var(--space-4); padding-right: var(--space-4); }
  .igw-facebook-summary, .igw-facebook-scope, .igw-facebook-task__head, .igw-facebook-workspace__actions {
    align-items: stretch; flex-direction: column; }
  .igw-facebook-summary { display: flex; }
  .igw-facebook-scope { display: flex; }
  .igw-facebook-scope .btn { align-self: flex-start; }
  .igw-facebook-task__head { display: flex; gap: var(--space-3); }
  .igw-task-toggle { align-self: flex-start; margin-left: 47px; }
  .igw-facebook-task__body { padding-left: var(--space-4); }
  .igw-facebook-automation { grid-template-columns: 1fr; }
  .igw-facebook-workspace__actions { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .igw-facebook-workspace__actions .btn { width: 100%; }
  .igw-facebook-save-note { grid-column: 1 / -1; order: -2; }
  .igw-facebook-workspace__actions [data-igw-unbind] { grid-column: 1 / -1; order: -1; }
}
@media (prefers-reduced-motion: reduce) {
  .igw-facebook-task, .igw-task-toggle > span, .igw-task-toggle > span::after { transition: none; }
}
.qa-import-dialog { width: min(920px, 100%); padding: 0; overflow: hidden; }
.qa-import-dialog .qa-set-dialog__head, .qa-import-dialog__body, .qa-import-dialog .qa-set-dialog__actions {
  margin: 0; padding: var(--space-5); }
.qa-import-dialog__body { max-height: min(650px, 66vh); overflow: auto; }
.qa-import-scope { display: grid; grid-template-columns: minmax(100px, auto) minmax(0, 1fr) auto;
  gap: var(--space-3); align-items: baseline; margin-bottom: var(--space-5); padding: var(--space-3) var(--space-4);
  border: 1px solid var(--info-border); border-radius: var(--radius-md); background: var(--info-bg); }
.qa-import-scope span, .qa-import-scope small { color: var(--info-fg); font: var(--text-caption); }
.qa-import-scope b { color: var(--text-1); font: var(--text-body-sm); }
.qa-import-help { margin-top: 6px; color: var(--text-3); font: var(--text-caption); line-height: 1.45; }
.qa-import-preview { margin-top: var(--space-4); }
.qa-import-metrics { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px;
  overflow: hidden; border: 1px solid var(--border-subtle); border-radius: var(--radius-md);
  background: var(--border-subtle); }
.qa-import-metrics > div { display: grid; gap: 2px; padding: var(--space-3); background: var(--surface-sunken); }
.qa-import-metrics b { color: var(--text-1); font: var(--text-h3); }
.qa-import-metrics span { color: var(--text-3); font: var(--text-caption); }
.qa-import-table { margin-top: var(--space-3); overflow: auto; border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md); }
.qa-import-table table { width: 100%; border-collapse: collapse; font: var(--text-caption); }
.qa-import-table th, .qa-import-table td { padding: 8px var(--space-3); text-align: left;
  border-bottom: 1px solid var(--border-subtle); vertical-align: top; }
.qa-import-table th { position: sticky; top: 0; background: var(--surface-sunken); color: var(--text-3); }
.qa-import-table td { color: var(--text-2); }
.qa-import-table td b, .qa-import-table td small { display: block; max-width: 360px; }
.qa-import-table td b { color: var(--text-1); }
.qa-import-table td small { margin-top: 3px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--text-3); }
.qa-import-table tr.is-duplicate { opacity: .62; }
.qa-import-options { display: grid; gap: var(--space-3); margin-top: var(--space-4); }
.qa-import-check { display: flex; align-items: flex-start; gap: var(--space-3); padding: var(--space-3);
  border: 1px solid var(--border-subtle); border-radius: var(--radius-md); cursor: pointer; }
.qa-import-check input { flex: none; width: 17px; height: 17px; margin-top: 2px; accent-color: var(--brand-primary); }
.qa-import-check span, .qa-import-check b, .qa-import-check small { display: block; }
.qa-import-check b { color: var(--text-1); font: var(--text-body-sm); }
.qa-import-check small { margin-top: 3px; color: var(--text-3); font: var(--text-caption); }
.qa-import-check--confirm { border-color: var(--warning-border); background: var(--warning-bg); }
.qa-import-impact { display: grid; gap: 3px; padding: var(--space-3) var(--space-4);
  border-left: 3px solid var(--warning-fg); background: var(--warning-bg); color: var(--warning-fg); }
.qa-import-impact b { font: var(--text-body-sm); }
.qa-import-impact span { font: var(--text-caption); }

/* ── Material tiles ───────────────────────── */
.tile-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: var(--space-4); }
.tile { padding: var(--space-4); display: flex; flex-direction: column; gap: var(--space-3); }
.tile__thumb { height: 96px; border-radius: var(--radius-md); background: var(--surface-sunken);
  display: grid; place-items: center; color: var(--text-3); border: 1px solid var(--border-subtle); }
.tile__name { font: var(--text-body); font-weight: 600; color: var(--text-1); }
.tile__desc { font: var(--text-body-sm); color: var(--text-2); }

/* ── Empty state ──────────────────────────── */
.empty { display: grid; place-items: center; gap: var(--space-3); padding: var(--space-16) var(--space-6); text-align: center; color: var(--text-3); }
.empty h3 { font: var(--text-h3); color: var(--text-2); }
.empty p { font: var(--text-body-sm); max-width: 380px; }

/* ── Inbox 3-pane ─────────────────────────── */
/* The negative margin cancels .screen's padding, so the height must add that padding
   back or the panes come up short. Each pane needs min-height:0 for the same reason
   .main does: without it a long conversation list refuses to shrink, the grid row
   grows past the window, and the composer falls off the bottom. */
.inbox { display: grid; grid-template-columns: 320px 1fr 300px;
  height: calc(100% + var(--space-6) * 2); margin: calc(var(--space-6) * -1);
  border-top: 1px solid var(--border-subtle); }
.inbox > *, .inbox__thread, .thread__msgs { min-height: 0; }
.inbox__list { border-right: 1px solid var(--border-subtle); overflow: auto; background: var(--surface-raised); }
.conv { padding: var(--space-4); border-bottom: 1px solid var(--border-subtle); cursor: pointer; display: grid; gap: 4px; }
.conv:hover, .conv.is-active { background: var(--surface-sunken); }
.conv__top { display: flex; align-items: center; justify-content: space-between; }
.conv__name { font: var(--text-body-sm); font-weight: 600; color: var(--text-1); }
.conv__time { font: var(--text-caption); color: var(--text-3); }
.conv__snip { font: var(--text-body-sm); color: var(--text-2); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.chip { display: inline-flex; align-items: center; gap: 4px; font: var(--text-caption); font-weight: 600; padding: 2px 8px; border-radius: var(--radius-pill); }
.chip--zalo { background: color-mix(in srgb, var(--channel-zalo) 14%, transparent); color: var(--channel-zalo); }
.chip--facebook { background: color-mix(in srgb, var(--channel-facebook) 14%, transparent); color: var(--channel-facebook); }
.chip--whatsapp { background: color-mix(in srgb, var(--channel-whatsapp) 16%, transparent); color: var(--channel-whatsapp); }
.inbox__thread { display: flex; flex-direction: column; min-width: 0; }
.thread__msgs { flex: 1; overflow: auto; padding: var(--space-5); display: flex; flex-direction: column; gap: var(--space-3); }
.bubble { max-width: 72%; padding: 10px var(--space-4); border-radius: var(--radius-lg); font: var(--text-body-sm); }
.bubble--customer { align-self: flex-start; background: var(--surface-sunken); color: var(--text-1); }
.bubble--ai { align-self: flex-end; background: var(--p-50); color: var(--n-900); border: 1px solid var(--p-100); }
:root[data-theme="dark"] .bubble--ai { background: var(--info-bg); color: var(--text-1); border-color: var(--info-border); }
.composer { border-top: 1px solid var(--border-subtle); padding: var(--space-4); display: flex; gap: var(--space-3); align-items: center; }
.composer input { flex: 1; border: 1px solid var(--border-default); border-radius: var(--radius-md); padding: 10px var(--space-4); background: var(--surface-raised); color: var(--text-1); font: var(--text-body-sm); }
.inbox__info { border-left: 1px solid var(--border-subtle); padding: var(--space-5); overflow: auto; background: var(--surface-raised); }
.info-row { padding: var(--space-3) 0; border-bottom: 1px solid var(--border-subtle); }
.info-row .k { font: var(--text-caption); color: var(--text-3); text-transform: uppercase; letter-spacing: var(--tracking-wide); }
.info-row .v { font: var(--text-body-sm); color: var(--text-1); margin-top: 2px; }

/* ── Toast ────────────────────────────────── */
.toast { position: fixed; bottom: var(--space-6); left: 50%; transform: translateX(-50%) translateY(20px);
  background: var(--n-900); color: #fff; padding: 10px var(--space-5); border-radius: var(--radius-md);
  font: var(--text-body-sm); box-shadow: var(--shadow-3); opacity: 0; pointer-events: none;
  transition: opacity var(--duration-base), transform var(--duration-base) var(--ease-standard); z-index: var(--z-toast); }
.toast.is-show { opacity: 1; transform: translateX(-50%) translateY(0); }

.row-actions-hint { font: var(--text-body-sm); color: var(--text-3); }
.form-grid { display: grid; gap: var(--space-4); max-width: 640px; }
.field label { font: var(--text-label); color: var(--text-2); display: block; margin-bottom: 6px; }
.field input, .field textarea, .field select { width: 100%; border: 1px solid var(--border-default);
  border-radius: var(--radius-md); padding: 10px var(--space-3); background: var(--surface-raised); color: var(--text-1); font: var(--text-body-sm); }
.field textarea { min-height: 96px; resize: vertical; }

/* ── Agent Builder + live Playground ──────── */
.builder { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-5); align-items: start; }
.builder__config, .builder__play { display: flex; flex-direction: column; gap: var(--space-4); min-height: 0; }
.builder__head { display: flex; align-items: flex-start; justify-content: space-between; gap: var(--space-3); }
.agent-scope-note { font: var(--text-caption); color: var(--text-3); margin-top: var(--space-2); line-height: 1.5; }
.agent-scope-note b { color: var(--text-2); }
.builder__tabs { display: flex; flex-wrap: wrap; gap: 6px; }
.btab { font: var(--text-body-sm); font-weight: 500; padding: 6px var(--space-3); border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle); background: var(--surface-raised); color: var(--text-2); cursor: pointer;
  display: inline-flex; align-items: center; gap: 6px; }
.btab:hover { background: var(--surface-sunken); }
.btab.is-active { background: var(--brand-primary); color: #fff; border-color: var(--brand-primary); }
.btab__scope { font: var(--text-caption); opacity: .7; padding-left: 6px; border-left: 1px solid currentColor; }

/* Agent resource assignment is its own bounded picker. The previous renderer reused
   Settings-only classes, exposed UUIDs, and expanded hundreds of checkboxes into the
   page. This surface keeps technical ids in data attributes while names stay human. */
.resource-picker { overflow: hidden; border: 1px solid var(--border-subtle); border-radius: var(--radius-lg);
  background: var(--surface-card); box-shadow: var(--shadow-1); }
.resource-picker__intro { display: flex; align-items: flex-start; justify-content: space-between; gap: var(--space-4);
  padding: var(--space-4); border-bottom: 1px solid var(--border-subtle); background: var(--surface-sunken); }
.resource-picker__intro b { display: block; color: var(--text-1); font: var(--text-body-sm); font-weight: 700; }
.resource-picker__intro p { margin-top: 4px; max-width: 680px; color: var(--text-3); font: var(--text-caption); line-height: 1.5; }
.resource-picker__summary { flex: none; padding: 4px 9px; border-radius: var(--radius-pill);
  background: var(--info-bg); border: 1px solid var(--info-border); color: var(--info-fg);
  font: var(--text-caption); font-weight: 700; white-space: nowrap; }
.resource-picker__toolbar { display: flex; align-items: center; gap: var(--space-2); padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--border-subtle); color: var(--text-3); }
.resource-picker__search { min-width: 0; flex: 1; padding: 9px var(--space-3); border: 1px solid var(--border-default);
  border-radius: var(--radius-md); background: var(--surface-raised); color: var(--text-1); font: var(--text-body-sm); }
.resource-picker__groups { max-height: min(56vh, 620px); overflow: auto; padding: var(--space-3) var(--space-4); }
.resource-picker__group { padding: var(--space-3) 0 var(--space-4); border-bottom: 1px solid var(--border-subtle); }
.resource-picker__group:last-child { border-bottom: 0; }
.resource-picker__group-head { display: flex; align-items: center; justify-content: space-between; gap: var(--space-3);
  margin-bottom: var(--space-2); }
.resource-picker__group-head h3 { color: var(--text-1); font: var(--text-body-sm); font-weight: 700; }
.resource-picker__group-head h3 span { color: var(--text-3); font: var(--text-caption); font-weight: 500; }
.resource-picker__group-head p { margin-top: 2px; color: var(--text-3); font: var(--text-caption); }
.resource-picker__list { display: grid; gap: 4px; }
.resource-picker__item { display: flex; align-items: flex-start; gap: var(--space-3); min-width: 0;
  padding: 9px var(--space-3); border: 1px solid transparent; border-radius: var(--radius-md); cursor: pointer; }
.resource-picker__item:hover { border-color: var(--border-subtle); background: var(--surface-sunken); }
.resource-picker__item:has(input:checked) { border-color: var(--info-border); background: var(--info-bg); }
.resource-picker__item.is-unavailable { opacity: .62; cursor: not-allowed; }
.resource-picker__item input { flex: none; width: 17px; height: 17px; margin-top: 2px;
  accent-color: var(--brand-primary); cursor: inherit; }
.resource-picker__item-copy { min-width: 0; display: grid; gap: 2px; }
.resource-picker__item-name { display: -webkit-box; overflow: hidden; -webkit-box-orient: vertical;
  -webkit-line-clamp: 2; line-clamp: 2; overflow-wrap: anywhere; color: var(--text-1);
  font: var(--text-body-sm); font-weight: 600; line-height: 1.4; }
.resource-picker__item-status { color: var(--warning-fg); font: var(--text-caption); }
.resource-picker__item-detail { color: var(--text-3); font: var(--text-caption); }
.resource-picker__empty { padding: var(--space-5); border: 1px dashed var(--border-default);
  border-radius: var(--radius-md); text-align: center; color: var(--text-3); font: var(--text-body-sm); }
.resource-picker__more { display: block; width: 100%; margin-top: var(--space-2); padding: 8px var(--space-3);
  border: 0; border-radius: var(--radius-md); background: transparent; color: var(--brand-primary);
  font: var(--text-caption); font-weight: 700; cursor: pointer; }
.resource-picker__more:hover { background: var(--surface-sunken); }
.resource-picker__more span { color: var(--text-3); font-weight: 500; }
.resource-picker__advanced { border-top: 1px solid var(--border-subtle); }
.resource-picker__advanced > summary { display: flex; align-items: baseline; gap: var(--space-2);
  padding: var(--space-3) 0; color: var(--text-2); font: var(--text-caption); cursor: pointer; }
.resource-picker__advanced > summary span { color: var(--text-3); font-weight: 400; }
.resource-picker__advanced[open] > summary { color: var(--brand-primary); }
.resource-picker__advanced .resource-picker__group { padding-top: 0; }
.resource-picker__footer { display: flex; align-items: center; justify-content: flex-end; gap: var(--space-3);
  min-height: 62px; padding: var(--space-3) var(--space-4); border-top: 1px solid var(--border-subtle);
  background: var(--surface-raised); }
.resource-picker__footer > span { margin-right: auto; color: var(--text-3); font: var(--text-caption); }

/* Conversation ownership is intentionally separate from Plugin/MCP bindings. The
   list is bounded and filterable so large workspaces stay scannable without exposing
   raw contact content or making a duplicate assignment look like a normal option. */
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.assignment-picker { overflow: hidden; border: 1px solid var(--border-subtle); border-radius: var(--radius-lg);
  background: var(--surface-card); box-shadow: var(--shadow-1); }
.assignment-picker__intro { display: flex; align-items: flex-start; justify-content: space-between; gap: var(--space-4);
  padding: var(--space-4); border-bottom: 1px solid var(--border-subtle); background: var(--surface-sunken); }
.assignment-picker__intro b { display: block; color: var(--text-1); font: var(--text-body-sm); font-weight: 700; }
.assignment-picker__intro p { margin-top: 4px; max-width: 700px; color: var(--text-3); font: var(--text-caption); line-height: 1.5; }
.assignment-picker__notice { display: flex; align-items: flex-start; gap: var(--space-2); padding: var(--space-3) var(--space-4);
  color: var(--info-fg); background: var(--info-bg); border-bottom: 1px solid var(--info-border); font: var(--text-caption); line-height: 1.5; }
.assignment-picker__notice svg { flex: none; width: 16px; height: 16px; margin-top: 1px; }
.assignment-picker__filters { display: grid; grid-template-columns: minmax(180px, 1fr) minmax(150px, auto) minmax(150px, auto) auto;
  align-items: end; gap: var(--space-2); padding: var(--space-3) var(--space-4); border-bottom: 1px solid var(--border-subtle); }
.assignment-picker__filters label { min-width: 0; display: block; }
.assignment-picker__filters input, .assignment-picker__filters select { width: 100%; min-width: 0; padding: 9px var(--space-3);
  border: 1px solid var(--border-default); border-radius: var(--radius-md); background: var(--surface-raised);
  color: var(--text-1); font: var(--text-body-sm); }
.assignment-picker__search { min-width: 0; }
.assignment-picker__list { max-height: min(56vh, 620px); overflow: auto; padding: var(--space-3) var(--space-4); }
.assignment-picker__item { display: flex; align-items: flex-start; gap: var(--space-3); min-width: 0; padding: 10px var(--space-3);
  border: 1px solid transparent; border-radius: var(--radius-md); }
.assignment-picker__item:hover { border-color: var(--border-subtle); background: var(--surface-sunken); }
.assignment-picker__item:has(input:checked) { border-color: var(--info-border); background: var(--info-bg); }
.assignment-picker__item.is-conflict { background: var(--warning-bg); }
.assignment-picker__item-select { display: flex; align-items: flex-start; gap: var(--space-3); min-width: 0; flex: 1; cursor: pointer; }
.assignment-picker__item.is-conflict .assignment-picker__item-select { opacity: .72; cursor: not-allowed; }
.assignment-picker__item input { flex: none; width: 17px; height: 17px; margin-top: 3px; accent-color: var(--brand-primary); cursor: inherit; }
.assignment-picker__item-copy { min-width: 0; display: grid; gap: 5px; flex: 1; }
.assignment-picker__item-top { min-width: 0; display: flex; align-items: flex-start; justify-content: space-between; gap: var(--space-3); }
.assignment-picker__item-name { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--text-1);
  font: var(--text-body-sm); font-weight: 600; }
.assignment-picker__owner { flex: none; color: var(--success-fg); font: var(--text-caption); font-weight: 600; }
.assignment-picker__owner.is-conflict { color: var(--warning-fg); max-width: 260px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.assignment-picker__transfer { flex: none; align-self: center; white-space: nowrap; background: var(--surface-raised); }
.assignment-picker__item-meta { display: flex; flex-wrap: wrap; gap: 6px 12px; color: var(--text-3); font: var(--text-caption); }
.assignment-picker__item-meta span + span { position: relative; }
.assignment-picker__item-meta span + span::before { content: "·"; position: absolute; left: -8px; color: var(--border-default); }
.assignment-picker__footer { display: flex; align-items: center; justify-content: flex-end; gap: var(--space-3); min-height: 62px;
  padding: var(--space-3) var(--space-4); border-top: 1px solid var(--border-subtle); background: var(--surface-raised); }
.assignment-picker__footer > span { margin-right: auto; color: var(--text-3); font: var(--text-caption); }

/* Skills share these rows with Settings, but Settings injects its CSS only after that
   screen mounts. Keeping the base layout here prevents the Agent tabs from falling
   back to a run-on line before Settings has ever been opened. */
.settings-notifyrow { display: flex; align-items: center; gap: var(--space-4); padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--border-subtle); }
.settings-notifyrow:last-child { border-bottom: 0; }
.settings-notifyrow__text { min-width: 0; }
.settings-notifyrow__title { display: block; color: var(--text-1); font: var(--text-body-sm); font-weight: 600; }
.settings-notifyrow__desc { display: block; margin-top: 2px; color: var(--text-3); font: var(--text-caption); }
.settings-notifyrow .switch { margin-left: auto; }
.soon { font: var(--text-caption); background: var(--warning-bg); color: var(--warning-fg); padding: 1px 6px; border-radius: var(--radius-pill); }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip-skill { display: inline-flex; align-items: center; gap: 4px; font: var(--text-caption); font-weight: 600;
  padding: 4px 10px; border-radius: var(--radius-pill); background: var(--surface-sunken); color: var(--text-3); border: 1px solid var(--border-subtle); }
.chip-skill.is-on { background: color-mix(in srgb, var(--brand-primary) 12%, transparent); color: var(--brand-primary); border-color: transparent; }
.play__head { display: flex; align-items: center; gap: var(--space-3); padding-bottom: var(--space-3); border-bottom: 1px solid var(--border-subtle); }
.play__workspace { display: grid; grid-template-columns: minmax(0, 1fr) minmax(220px, 260px); gap: var(--space-4); min-width: 0; }
.play__chat { display: flex; flex-direction: column; min-width: 0; }
.play__msgs { flex: 1; overflow: auto; display: flex; flex-direction: column; gap: var(--space-2); padding: var(--space-3) 0; min-height: 300px; max-height: 60vh; }
.play__hint { margin: auto; text-align: center; color: var(--text-3); display: grid; place-items: center; gap: var(--space-2); padding: var(--space-6); }
.play__hint p { font: var(--text-body-sm); max-width: 340px; }
.play__hint em { color: var(--brand-primary); font-style: normal; }
.builder__play .composer { border-top: 1px solid var(--border-subtle); padding: var(--space-3) 0 0; }
.bubble.is-typing { opacity: .6; font-style: italic; }
.toollog { align-self: flex-end; max-width: 80%; font: var(--text-caption); color: var(--success-fg); background: var(--success-bg);
  border: 1px solid var(--success-border); padding: 4px 10px; border-radius: var(--radius-md); display: inline-flex; align-items: center; gap: 6px; }
.toollog--warn { color: var(--warning-fg); background: var(--warning-bg); border-color: var(--warning-border); }
.toollog b { font-family: var(--font-mono, ui-monospace, monospace); }
.play__mats { align-self: flex-end; display: flex; flex-wrap: wrap; gap: 6px; }
.play-state { min-width: 0; max-height: calc(60vh + 54px); overflow: auto; padding-left: var(--space-4);
  border-left: 1px solid var(--border-subtle); color: var(--text-1); }
.play-state__head { display: flex; align-items: flex-start; justify-content: space-between; gap: var(--space-2);
  padding-bottom: var(--space-3); border-bottom: 1px solid var(--border-subtle); }
.play-state__eyebrow, .play-state__label { font: var(--text-caption); color: var(--text-3); text-transform: uppercase;
  letter-spacing: var(--tracking-wide); }
.play-state__title { margin-top: 2px; font: var(--text-body-sm); font-weight: 700; overflow-wrap: anywhere; }
.play-state__title span { color: var(--text-3); font: var(--text-caption); }
.play-state__mode { flex: 0 0 auto; padding: 2px 7px; border-radius: var(--radius-pill); font: var(--text-caption);
  font-weight: 700; color: var(--info-fg); background: var(--info-bg); border: 1px solid var(--info-border); }
.play-state.is-mode-shadow .play-state__mode { color: var(--warning-fg); background: var(--warning-bg); border-color: var(--warning-border); }
.play-state.is-mode-enforce .play-state__mode { color: var(--success-fg); background: var(--success-bg); border-color: var(--success-border); }
.play-state.is-mode-off .play-state__mode, .play-state.is-empty .play-state__mode { color: var(--text-3); background: var(--surface-sunken); border-color: var(--border-subtle); }
.play-state.is-stale .play-state__mode { color: var(--warning-fg); background: var(--warning-bg); border-color: var(--warning-border); }
.play-state__section { padding: var(--space-3) 0; border-bottom: 1px solid var(--border-subtle); }
.play-state__section:last-child { border-bottom: 0; }
.play-state__stage { display: inline-flex; margin-top: 6px; padding: 3px 9px; border-radius: var(--radius-pill);
  background: color-mix(in srgb, var(--brand-primary) 12%, transparent); color: var(--brand-primary);
  font: var(--text-body-sm); font-weight: 700; overflow-wrap: anywhere; }
.play-state__value { margin-top: 5px; color: var(--text-2); font: var(--text-body-sm); line-height: 1.5; overflow-wrap: anywhere; }
.play-state__facts { display: grid; gap: 6px; margin-top: var(--space-2); }
.play-state__fact { display: grid; grid-template-columns: minmax(72px, .7fr) minmax(0, 1fr); gap: var(--space-2);
  padding: 6px 8px; border-radius: var(--radius-sm); background: var(--surface-sunken); font: var(--text-caption); }
.play-state__fact dt { color: var(--text-3); overflow-wrap: anywhere; }
.play-state__fact dd { color: var(--text-1); font-weight: 600; overflow-wrap: anywhere; }
.play-state__notice, .play-state__none { color: var(--text-3); font: var(--text-body-sm); line-height: 1.5; }
.play-state__notice { margin-top: var(--space-4); }
.play-state.is-loading { opacity: .72; }

/* Archived Agents stay out of the working picker and live in one reversible
   management surface. Shared workspace resources are called out before any action. */
.agent-manager { position: fixed; inset: 0; z-index: 100; display: grid; place-items: center;
  padding: var(--space-5); background: var(--surface-overlay, rgba(13, 15, 21, .56)); }
.agent-manager__panel { width: min(720px, 100%); max-height: min(760px, 90vh); overflow: hidden;
  display: flex; flex-direction: column; background: var(--surface-raised);
  border: 1px solid var(--border-subtle); border-radius: var(--radius-lg); box-shadow: var(--shadow-3); }
.agent-manager__head { display: flex; justify-content: space-between; align-items: flex-start; gap: var(--space-4);
  padding: var(--space-5); border-bottom: 1px solid var(--border-subtle); }
.agent-manager__head h2 { font: var(--text-h2); color: var(--text-1); }
.agent-manager__head p { font: var(--text-body-sm); color: var(--text-3); margin-top: 4px; }
.agent-manager__scope { margin: var(--space-4) var(--space-5) 0; padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md); background: var(--success-bg); color: var(--success-fg);
  font: var(--text-body-sm); }
.agent-manager__list { overflow: auto; padding: var(--space-3) var(--space-5); }
.agent-manager__row { display: grid; grid-template-columns: minmax(0, 1fr) auto minmax(145px, auto);
  gap: var(--space-3); align-items: center; padding: var(--space-4) 0;
  border-bottom: 1px solid var(--border-subtle); }
.agent-manager__row:last-child { border-bottom: 0; }
.agent-manager__identity { min-width: 0; }
.agent-manager__identity code { display: block; overflow: hidden; text-overflow: ellipsis;
  color: var(--text-3); font: var(--text-caption); margin-top: 3px; }
.agent-manager__active { text-align: right; color: var(--text-3); font: var(--text-caption); }
.agent-manager__foot { display: flex; justify-content: flex-end; padding: var(--space-4) var(--space-5);
  border-top: 1px solid var(--border-subtle); }

/* Homestay/OTA knowledge and capability surfaces share one restrained visual
   language: clear scope, explicit state, and no hidden permission escalation. */
.homestay-kit-card, .homestay-capability-card { margin-bottom: var(--space-5); padding: var(--space-5);
  border: 1px solid var(--border-subtle); border-radius: var(--radius-lg); background: var(--surface-raised);
  box-shadow: var(--shadow-1); }
.homestay-kit-card { background: linear-gradient(135deg, color-mix(in srgb, var(--brand-primary) 7%, var(--surface-raised)), var(--surface-raised)); }
.homestay-kit-card__head, .homestay-capability-card__head { display: flex; align-items: flex-start; justify-content: space-between;
  gap: var(--space-4); }
.homestay-kit-card__eyebrow { display: block; color: var(--brand-primary); font: var(--text-caption); font-weight: 700;
  letter-spacing: var(--tracking-wide); text-transform: uppercase; }
.homestay-kit-card h2, .homestay-capability-card h2 { margin-top: 4px; color: var(--text-1); font: var(--text-h3); }
.homestay-kit-card p, .homestay-capability-card p { margin-top: 6px; color: var(--text-3); font: var(--text-body-sm); line-height: 1.5; }
.homestay-kit-card__meta { display: flex; flex-wrap: wrap; gap: 8px; margin-top: var(--space-4); }
.homestay-kit-card__meta span { padding: 4px 9px; border: 1px solid var(--border-subtle); border-radius: var(--radius-pill);
  color: var(--text-2); background: var(--surface-sunken); font: var(--text-caption); font-weight: 600; }
.homestay-kit-card__status { margin-top: var(--space-3); color: var(--text-3); font: var(--text-caption); }
.homestay-capability-card { background: var(--surface-sunken); }
.homestay-capability-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-3); margin-top: var(--space-4); }
.homestay-capability-item { min-width: 0; padding: var(--space-4); border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md); background: var(--surface-raised); }
.homestay-capability-item__top { display: flex; align-items: flex-start; justify-content: space-between; gap: var(--space-2); }
.homestay-capability-item h3 { color: var(--text-1); font: var(--text-body-sm); font-weight: 700; }
.homestay-capability-item__guardrail { margin-top: var(--space-3) !important; color: var(--text-2) !important; font-size: 12px !important; }
.homestay-capability-card__details { margin-top: var(--space-4); border-top: 1px solid var(--border-subtle); padding-top: var(--space-3); }
.homestay-capability-card__details summary { cursor: pointer; color: var(--brand-primary); font: var(--text-body-sm); font-weight: 700; }
.homestay-skill-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px 18px; margin: var(--space-3) 0 0; padding-left: 18px; }
.homestay-skill-list li { display: flex; justify-content: space-between; gap: 12px; color: var(--text-2); font: var(--text-caption); }
.homestay-skill-list code { color: var(--text-1); font-family: var(--font-mono, ui-monospace, monospace); }
.homestay-kit-card button:focus-visible, .homestay-capability-card summary:focus-visible { outline: 3px solid var(--focus-ring, var(--brand-primary)); outline-offset: 2px; }

@media (max-width: 1100px) {
  .app { grid-template-columns: 64px 1fr; }
  .rail__item span, .brand-mark, .rail__user span:last-child { display: none; }
  .inbox { grid-template-columns: 260px 1fr; }
  .inbox__info { display: none; }
  .builder { grid-template-columns: 1fr; }
  .play__workspace { grid-template-columns: 1fr; }
  .play-state { max-height: none; padding: var(--space-4) 0 0; border-left: 0; border-top: 1px solid var(--border-subtle); }
}

@media (max-width: 900px) {
  .qa-set-layout { grid-template-columns: minmax(0, 1fr); grid-template-rows: auto auto; overflow: visible; }
  .qa-set-library { min-height: 220px; max-height: 260px; border-right: 0; border-bottom: 1px solid var(--border-subtle); }
  .qa-set-library__head { position: static; }
  .qa-set-workspace { min-height: 0; overflow: visible; }
  .dt__scroll-hint { display: block; }
  .qa-import-metrics { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 680px) {
  .topbar { align-items: stretch; flex-direction: column; padding: var(--space-3); }
  .topbar__title, .topbar__actions { min-width: 0; width: 100%; }
  .topbar__actions { flex-wrap: wrap; }
  .topbar__actions .search { flex: 1 1 100%; min-width: 0; }
  .topbar__actions .search input { min-width: 0; width: 100%; }
  .screen { padding: var(--space-3); }
  .tabs { max-width: 100%; overflow-x: auto; overscroll-behavior-inline: contain; }
  .tab { flex: none; }
  .section-head { align-items: flex-start; flex-direction: column; gap: var(--space-3); }
  .dt__tools { align-items: stretch; }
  .dt__search { flex: 1 1 100%; width: 100%; min-width: 0; max-width: none; }
  .dt__tools select { flex: 1 1 140px; min-width: 0; }
  .dt__tools-spacer { display: none; }
  .dt__tools > .btn { flex: 1 1 140px; justify-content: center; }
  .dt__selection { align-items: stretch; flex-direction: column; }
  .dt__selection-spacer { display: none; }
  .dt__foot { align-items: flex-start; }
  .dt__pages { width: 100%; margin-left: 0; overflow-x: auto; padding-bottom: 2px; }
  .builder__head { flex-direction: column; }
  .resource-picker__intro, .resource-picker__group-head, .resource-picker__footer { align-items: stretch; flex-direction: column; }
  .resource-picker__summary { align-self: flex-start; }
  .resource-picker__footer > span { margin-right: 0; }
  .agent-manager { padding: var(--space-3); }
  .agent-manager__row { grid-template-columns: 1fr auto; }
  .agent-manager__row > :last-child { grid-column: 1 / -1; justify-self: start; }
  .qa-set-page-head, .qa-set-workspace__head, .qa-set-dialog__actions { align-items: stretch; flex-direction: column; }
  .qa-set-workspace__actions, .qa-set-workspace__actions .btn { width: 100%; }
  .qa-set-modal { padding: var(--space-2); }
  .qa-set-dialog { max-height: 96vh; padding: var(--space-4); }
  .igw-directory-toolbar { grid-template-columns: 1fr; }
  .igw-directory-grid { grid-template-columns: 1fr; max-height: 44vh; }
  .igw-account-row { align-items: stretch; flex-direction: column; }
  .qa-import-dialog { padding: 0; }
  .qa-import-dialog .qa-set-dialog__head, .qa-import-dialog__body, .qa-import-dialog .qa-set-dialog__actions {
    padding: var(--space-4); }
  .qa-import-scope { grid-template-columns: 1fr; gap: 3px; }
  .qa-import-metrics { grid-template-columns: 1fr 1fr; }
  .resource-picker__advanced > summary { align-items: flex-start; flex-direction: column; }
  .assignment-picker__intro, .assignment-picker__item-top, .assignment-picker__footer { align-items: stretch; flex-direction: column; }
  .assignment-picker__item.is-conflict { flex-direction: column; }
  .assignment-picker__transfer { width: 100%; }
  .assignment-picker__filters { grid-template-columns: 1fr; align-items: stretch; }
  .assignment-picker__owner { max-width: none; }
  .assignment-picker__footer > span { margin-right: 0; }
  .homestay-kit-card__head, .homestay-capability-card__head { flex-direction: column; }
  .homestay-kit-card__head .btn { width: 100%; }
  .homestay-capability-grid { grid-template-columns: 1fr; }
  .homestay-skill-list { grid-template-columns: 1fr; }
}