/* Bố cục: thanh điều hướng | vault | vùng chính (thanh trên, nội dung, khung chat cố định dưới) */
:root {
  --bg: #eef1f4; --panel: #f8fafb; --raise: #ffffff; --line: #d5dce3; --ink: #17212b; --muted: #5b6875;
  --accent: #2f5bd3; --accent-ink: #ffffff; --graph-bg: #f3f6f8; --edge: #b7c2cc;
  --user: #e3eafb; --ok: #2e8540; --warn: #b7791f; --bad: #c0392b;
  --g-agents: #d0493f; --g-skills: #2f5bd3; --g-routines: #0f8a7e; --g-docs: #7a5bc4;
  --g-company: #c77a14; --g-offers: #b8860b; --g-voices: #a4459a; --g-playbooks: #3b8f3e;
  --g-decisions: #4b6b8a; --g-private: #7d7d7d; --g-brain: #55616d;
  --g-facts: #8a6d1f; --g-journal: #2d7f99; --g-conversations: #b0527a;
  --display: "Familjen Grotesk", "Helvetica Neue", Arial, sans-serif;
  --body: "IBM Plex Sans", "Segoe UI", Roboto, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, Menlo, Consolas, monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) {
  --bg: #11161c; --panel: #171e26; --raise: #1d2530; --line: #2a3440; --ink: #e4e9ee; --muted: #93a1ae;
  --accent: #7ea2ff; --accent-ink: #0d1420; --graph-bg: #141a21; --edge: #3a4652;
  --user: #22304a; --ok: #5cc97a; --warn: #e6b04f; --bad: #ff7a6e;
  --g-agents: #ff7a6e; --g-skills: #7ea2ff; --g-routines: #3cc7b6; --g-docs: #b39cf0;
  --g-company: #f0a64a; --g-offers: #e2c05a; --g-voices: #e07bd4; --g-playbooks: #74c777;
  --g-decisions: #8fb0d0; --g-private: #a9a9a9; --g-brain: #a7b3bf; --g-facts: #d9b95c; --g-journal: #6cc3dd; --g-conversations: #e58fb6; color-scheme: dark;
} }
:root[data-theme="dark"] {
  --bg: #11161c; --panel: #171e26; --raise: #1d2530; --line: #2a3440; --ink: #e4e9ee; --muted: #93a1ae;
  --accent: #7ea2ff; --accent-ink: #0d1420; --graph-bg: #141a21; --edge: #3a4652;
  --user: #22304a; --ok: #5cc97a; --warn: #e6b04f; --bad: #ff7a6e;
  --g-agents: #ff7a6e; --g-skills: #7ea2ff; --g-routines: #3cc7b6; --g-docs: #b39cf0;
  --g-company: #f0a64a; --g-offers: #e2c05a; --g-voices: #e07bd4; --g-playbooks: #74c777;
  --g-decisions: #8fb0d0; --g-private: #a9a9a9; --g-brain: #a7b3bf; --g-facts: #d9b95c; --g-journal: #6cc3dd; --g-conversations: #e58fb6; color-scheme: dark;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { height: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 14px/1.5 var(--body); }
button, select, textarea, input { font: inherit; color: inherit; }
button { cursor: pointer; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.muted { color: var(--muted); }
.eyebrow { font-size: 11px; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }

.shell { height: 100%; display: grid; grid-template-columns: var(--side-w, 220px) var(--vault-w, 280px) minmax(0, 1fr); padding-top: env(safe-area-inset-top, 0px); }
.shell.no-vault { grid-template-columns: var(--side-w, 220px) minmax(0, 1fr); }
@media (min-width: 901px) { .shell.side-mini { --side-w: 60px !important; } }
.shell.no-vault .vault { display: none; }

.side { background: var(--panel); border-right: 1px solid var(--line); display: flex; flex-direction: column; min-height: 0; min-width: 0; position: relative; }
.logo { display: flex; align-items: center; gap: 8px; padding: 16px 16px 12px; }
.logo b { font: 700 18px var(--display); letter-spacing: .06em; }
.logo span { font: 500 14px var(--display); letter-spacing: .2em; color: var(--muted); }
.nav { display: flex; flex-direction: column; gap: 1px; padding: 4px 8px 8px; overflow-y: auto; overflow-x: hidden; flex: 1; scrollbar-width: thin; scrollbar-color: transparent transparent; }
.nav:hover { scrollbar-color: color-mix(in srgb, var(--muted) 45%, transparent) transparent; }
.nav::-webkit-scrollbar { width: 6px; }
.nav::-webkit-scrollbar-thumb { background: transparent; border-radius: 3px; }
.nav:hover::-webkit-scrollbar-thumb { background: color-mix(in srgb, var(--muted) 45%, transparent); }
.nav-group { font-size: 10.5px; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); padding: 10px 10px 3px; }
.nav button { display: flex; align-items: center; gap: 10px; border: 0; background: none; text-align: left; padding: 6px 10px; border-radius: 7px; white-space: nowrap; min-width: 0; }
.nav button i { font-style: normal; width: 16px; text-align: center; color: var(--muted); }
.nav button:hover { background: color-mix(in srgb, var(--accent) 8%, transparent); }
.nav button.on { background: color-mix(in srgb, var(--accent) 14%, transparent); color: var(--accent); font-weight: 600; }
.nav button.on i { color: var(--accent); }
.side-foot { padding: 12px 16px; font: 11px var(--mono); color: var(--muted); border-top: 1px solid var(--line); }

.vault { background: var(--panel); border-right: 1px solid var(--line); display: flex; flex-direction: column; min-height: 0; min-width: 0; position: relative; }
.vault-head { display: flex; align-items: center; justify-content: space-between; padding: 14px 12px 8px 16px; }
.search { margin: 0 12px 8px; padding: 7px 10px; border: 1px solid var(--line); border-radius: 7px; background: var(--bg); }
.tree { overflow: auto; padding: 0 6px 16px; font-size: 13px; }
.tree details > summary { list-style: none; cursor: pointer; padding: 3px 8px; border-radius: 5px; display: flex; gap: 6px; align-items: center; }
.tree details > summary::-webkit-details-marker { display: none; }
.tree details > summary::before { content: "▸"; font-size: 9px; color: var(--muted); transition: transform .12s; }
.tree details[open] > summary::before { transform: rotate(90deg); }
.tree .kids { padding-left: 14px; }
.tree .f { display: block; width: 100%; border: 0; background: none; text-align: left; padding: 3px 8px 3px 22px; border-radius: 5px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.tree .f:hover, .tree .f.sel { background: color-mix(in srgb, var(--accent) 12%, transparent); }
.tree .hit { color: var(--accent); font-weight: 600; }

.main { display: flex; flex-direction: column; min-height: 0; min-width: 0; }
.bar { display: flex; align-items: center; gap: 12px; padding: 10px 16px; border-bottom: 1px solid var(--line); background: var(--panel); flex-wrap: wrap; }
.bar b { font: 600 15px var(--body); }
.ws-select { border: 1px solid var(--line); background: var(--raise); border-radius: 8px; padding: 5px 10px; font-weight: 600; max-width: 100%; }
body.project-mode .ws-select { border-color: var(--accent); color: var(--accent); }
.bar-actions { margin-left: auto; display: flex; gap: 6px; }
.icon-btn { border: 1px solid var(--line); background: var(--raise); border-radius: 7px; min-width: 32px; height: 32px; padding: 0 8px; }
.icon-btn.big { min-width: 44px; height: 44px; border-radius: 50%; font-size: 18px; }
.icon-btn:hover, .btn:hover { border-color: var(--accent); }
.btn { border: 1px solid var(--line); background: var(--raise); border-radius: 7px; height: 32px; padding: 0 12px; }
.btn.primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.btn.danger { color: var(--bad); }
.link-btn { border: 0; background: none; color: var(--accent); padding: 0; margin-left: auto; font-size: 12px; }

.view { flex: 1; min-height: 0; overflow: auto; position: relative; }
#view-graph { overflow: hidden; background: var(--graph-bg); }
#graph { width: 100%; height: 100%; display: block; cursor: grab; }
.cl-label { font: 700 12px var(--display); letter-spacing: .16em; text-transform: uppercase; fill: var(--ink); opacity: .78; pointer-events: none; }
.cl-sub { font: 10px var(--mono); fill: var(--muted); pointer-events: none; }
.node { cursor: pointer; stroke: var(--graph-bg); stroke-width: 1.5; }
.node.dim, .edge.dim { opacity: .14; }
.node.hit { stroke: var(--ink); stroke-width: 2; }
.edge { stroke: var(--edge); stroke-width: 1; }
.edge.hot { stroke: var(--accent); stroke-width: 1.6; }
.nlabel { font: 10px var(--body); fill: var(--muted); pointer-events: none; }
.graph-card { position: absolute; left: 50%; bottom: 16px; transform: translateX(-50%); display: flex; gap: 0; background: var(--raise); border: 1px solid var(--line); border-radius: 12px; box-shadow: 0 6px 24px rgb(0 0 0 / .08); }
.graph-card div { padding: 10px 22px; text-align: center; }
.graph-card div + div { border-left: 1px solid var(--line); }
.graph-card b { display: block; font: 700 24px var(--display); font-variant-numeric: tabular-nums; }
.graph-card span { font-size: 10px; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }
.graph-detail { position: absolute; top: 12px; right: 12px; width: min(320px, calc(100% - 24px)); max-height: calc(100% - 120px); overflow: auto; background: var(--raise); border: 1px solid var(--line); border-radius: 10px; padding: 14px; display: grid; gap: 8px; }
.graph-detail h3 { margin: 0; font: 700 17px/1.25 var(--display); }
.graph-detail .path { font: 12px var(--mono); color: var(--muted); word-break: break-all; }
.graph-detail .links button { display: block; border: 0; background: none; color: var(--accent); padding: 1px 0; text-align: left; }

.chat { max-width: 820px; margin: 0 auto; padding-inline: 16px; padding-block: 20px 12px; display: flex; flex-direction: column; gap: 14px; }
.msg { display: grid; gap: 6px; min-width: 0; }
.msg.user { justify-self: end; max-width: 85%; background: var(--user); padding: 10px 14px; border-radius: 14px 14px 4px 14px; white-space: pre-wrap; }
.msg.bot .md { min-width: 0; overflow-wrap: anywhere; }
.md h1, .md h2, .md h3 { font: 700 16px/1.3 var(--display); margin: 10px 0 4px; }
.md p { margin: 6px 0; }
.md ul, .md ol { margin: 6px 0; padding-left: 22px; }
.md code { font: 12.5px var(--mono); background: color-mix(in srgb, var(--ink) 7%, transparent); padding: 1px 4px; border-radius: 4px; }
.md pre { background: color-mix(in srgb, var(--ink) 6%, transparent); padding: 10px 12px; border-radius: 8px; overflow-x: auto; }
.md pre code { background: none; padding: 0; }
.md table { border-collapse: collapse; display: block; overflow-x: auto; }
.md th, .md td { border: 1px solid var(--line); padding: 4px 8px; text-align: left; }
.md a { color: var(--accent); }
.tools { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { display: inline-flex; gap: 6px; align-items: center; font: 12px var(--mono); padding: 3px 8px; border-radius: 999px; border: 1px solid var(--line); background: var(--raise); max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.chip::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--warn); flex: none; }
.chip.done::before { background: var(--ok); }
.chip.err::before { background: var(--bad); }
.approval { border: 1px solid var(--warn); background: color-mix(in srgb, var(--warn) 10%, var(--raise)); border-radius: 10px; padding: 10px 12px; display: grid; gap: 8px; }
.approval code { font: 12px var(--mono); word-break: break-all; }
.approval .row { display: flex; gap: 8px; }
.meta { font: 11px var(--mono); color: var(--muted); }
.shots { display: flex; gap: 8px; flex-wrap: wrap; }
.shots img { width: min(260px, 100%); border: 1px solid var(--line); border-radius: 8px; display: block; }
.changes { display: grid; gap: 2px; border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; background: var(--raise); }
.change { display: flex; gap: 10px; border: 0; background: none; text-align: left; font: 12.5px var(--mono); padding: 3px 4px; border-radius: 5px; color: var(--ink); min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.change:hover { background: color-mix(in srgb, var(--accent) 10%, transparent); }
.change b { width: 2ch; color: var(--warn); flex: none; }
.diff { font: 12.5px/1.5 var(--mono); background: var(--raise); border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px; overflow-x: auto; }
.diff .add { color: var(--ok); background: color-mix(in srgb, var(--ok) 10%, transparent); display: inline-block; min-width: 100%; }
.diff .del { color: var(--bad); background: color-mix(in srgb, var(--bad) 10%, transparent); display: inline-block; min-width: 100%; }
.diff .hunk { color: var(--accent); }
.empty { color: var(--muted); text-align: center; padding: 40px 16px; }
.empty h2 { font: 700 22px var(--display); color: var(--ink); margin: 0 0 6px; }
.suggest { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin-top: 14px; }

.doc { max-width: 860px; margin: 0 auto; padding-inline: 16px; padding-block: 20px 32px; }
.doc .path { font: 12px var(--mono); color: var(--muted); }
.list { max-width: 980px; margin: 0 auto; padding-inline: 16px; padding-block: 20px; display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 10px; align-content: start; }
.list h2 { grid-column: 1 / -1; font: 700 20px var(--display); margin: 0; }
.list .intro { grid-column: 1 / -1; margin: 0 0 6px; color: var(--muted); }
.card { background: var(--raise); border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px; display: grid; gap: 6px; align-content: start; text-align: left; }
button.card:hover { border-color: var(--accent); }
.card b { font: 600 14px var(--body); }
.card p { margin: 0; font-size: 13px; color: var(--muted); display: -webkit-box; -webkit-line-clamp: 4; -webkit-box-orient: vertical; overflow: hidden; }
.pill { justify-self: start; font-size: 11px; padding: 1px 8px; border-radius: 999px; border: 1px solid var(--line); color: var(--muted); }
.pill.on { color: var(--ok); border-color: var(--ok); }

.composer { border-top: 1px solid var(--line); background: var(--panel); padding-inline: 16px; padding-block: 8px calc(12px + env(safe-area-inset-bottom, 0px)); display: grid; gap: 8px; }
.status { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 10px; font-size: 13px; }
.status select { border: 1px solid var(--line); background: var(--raise); border-radius: 999px; padding: 3px 10px; }
.dot-live { width: 8px; height: 8px; border-radius: 50%; background: var(--ok); }
.dot-live.busy { background: var(--warn); animation: pulse 1s infinite; }
.dot-live.off { background: var(--bad); }
.last-tool { font: italic 13px var(--body); color: var(--muted); min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 40ch; }
.input-row { display: flex; gap: 10px; align-items: flex-end; }
.input-row textarea { flex: 1; min-width: 0; resize: none; border: 1px solid var(--line); background: var(--raise); border-radius: 12px; padding: 11px 14px; max-height: 200px; line-height: 1.45; }
.input-row.drag textarea { border-color: var(--accent); border-style: dashed; }
.bell-wrap { position: relative; }
#bell-btn { position: relative; }
.badge { position: absolute; top: -6px; right: -6px; min-width: 18px; height: 18px; padding: 0 5px; border-radius: 9px; background: var(--bad); color: #fff; font: 600 11px/18px var(--body); text-align: center; }
.bell-panel { position: absolute; right: 0; top: calc(100% + 6px); width: min(380px, calc(100vw - 32px)); max-height: 70vh; overflow: auto; background: var(--raise); border: 1px solid var(--line); border-radius: 12px; box-shadow: 0 10px 30px rgb(0 0 0 / .18); z-index: 20; }
.bell-head { display: flex; align-items: center; justify-content: space-between; padding: 10px 14px; border-bottom: 1px solid var(--line); position: sticky; top: 0; background: var(--raise); }
.bell-head .link-btn { margin-left: 0; }
.bell-item { display: grid; grid-template-columns: 22px minmax(0, 1fr); gap: 2px 8px; width: 100%; text-align: left; border: 0; border-bottom: 1px solid var(--line); background: none; padding: 10px 14px; }
.bell-item:hover { background: color-mix(in srgb, var(--accent) 8%, transparent); }
.bell-item.unread { background: color-mix(in srgb, var(--accent) 6%, transparent); }
.bell-item .ic { grid-row: span 2; font-size: 15px; }
.bell-item b { font-weight: 600; font-size: 13px; overflow-wrap: anywhere; }
.bell-item span { font-size: 12px; color: var(--muted); overflow-wrap: anywhere; }
.bell-empty { padding: 20px 14px; color: var(--muted); text-align: center; }
#mic-btn.rec { background: var(--bad); border-color: var(--bad); color: #fff; animation: pulse 1.2s infinite; }
.send { width: 48px; height: 44px; border-radius: 12px; border: 0; background: var(--accent); color: var(--accent-ink); font-size: 18px; }
.send.stop { background: var(--bad); }
@keyframes pulse { 50% { opacity: .35; } }

/* Màn thấp: thanh bên gọn hơn để vừa không cần cuộn */
@media (min-width: 901px) and (max-height: 860px) {
  .nav button { padding: 4px 10px; font-size: 13px; }
  .nav-group { padding: 7px 10px 2px; }
  .logo { padding-block: 10px; }
}

/* ---------- Chế độ Chủ shop: nội dung rộng, trợ lý AI là khung dọc bên phải */
body.mode-shop .main { display: grid; grid-template-columns: minmax(0, 1fr) 0; grid-template-rows: auto minmax(0, 1fr) auto; }
body.mode-shop.dock-open .main { grid-template-columns: minmax(0, 1fr) min(var(--dock-w, 400px), 60vw); }
body.mode-shop .main > .bar { grid-column: 1 / -1; }
body.mode-shop .main > section.view { grid-column: 1; grid-row: 2 / 4; }
body.mode-shop .main > #view-chat, body.mode-shop .main > .composer { display: none !important; }
body.mode-shop.dock-open .main > #view-chat { display: block !important; grid-column: 2; grid-row: 2; border-left: 1px solid var(--line); background: var(--panel); }
body.mode-shop.dock-open .main > .composer { display: grid !important; grid-column: 2; grid-row: 3; border-left: 1px solid var(--line); padding-inline: 12px; }
body.mode-shop .chat { max-width: none; padding-inline: 14px; padding-block: 8px 12px; }
body.mode-shop .chat .empty h2 { font-size: 18px; }
body.mode-shop .composer .icon-btn.big { min-width: 38px; height: 38px; font-size: 16px; }
body.mode-shop .composer .send { width: 42px; height: 38px; }
.dock-head { position: sticky; top: 0; z-index: 2; display: flex; align-items: center; gap: 8px; padding: 10px 12px 10px 14px; border-bottom: 1px solid var(--line); background: var(--panel); }
.dock-head b { font: 600 14px var(--body); }
.dock-head .link-btn { margin-left: auto; }
body.mode-dev .dock-head, body.mode-dev #dock-fab, body.mode-dev #dock-toggle { display: none; }
#dock-toggle[aria-pressed="true"] { border-color: var(--accent); color: var(--accent); }
.dock-fab { position: fixed; right: 20px; bottom: calc(20px + env(safe-area-inset-bottom, 0px)); z-index: 15; border: 0; border-radius: 999px; padding: 12px 18px; background: var(--accent); color: var(--accent-ink); font-weight: 600; box-shadow: 0 8px 24px rgb(0 0 0 / .22); }
body.dock-open .dock-fab, body.mode-dev .dock-fab { display: none; }
body.mode-shop .page { max-width: 1440px; padding-inline: 24px; }

@media (max-width: 900px) {
  body.mode-shop .main, body.mode-shop.dock-open .main { grid-template-columns: minmax(0, 1fr); }
  body.mode-shop.dock-open .main > #view-chat { position: fixed; inset: 0 0 auto 0; bottom: var(--composer-h, 120px); z-index: 30; border-left: 0; }
  body.mode-shop.dock-open .main > .composer { position: fixed; left: 0; right: 0; bottom: 0; z-index: 30; border-left: 0; }
  body.mode-shop .page { padding-inline: 16px; }
  #dock-toggle { display: none; }
}
@media (max-width: 900px) {
  .shell, .shell.no-vault { grid-template-columns: minmax(0, 1fr); grid-template-rows: auto minmax(0, 1fr); }
  .side { border-right: 0; border-bottom: 1px solid var(--line); flex-direction: row; align-items: center; }
  .logo { padding: 8px 12px; }
  .nav { flex-direction: row; overflow-x: auto; padding: 6px; }
  .nav-group, .side-foot { display: none; }
  .nav button { white-space: nowrap; }
  .vault { display: none; }
  .shell.show-vault .vault { display: flex; position: fixed; inset: 0; z-index: 5; }
  .graph-card div { padding: 8px 14px; }
  .last-tool { max-width: 22ch; }
  .bell-panel { position: fixed; left: 16px; right: 16px; width: auto; top: calc(env(safe-area-inset-top, 0px) + 110px); }
}
@media (prefers-reduced-motion: reduce) { * { animation: none !important; transition: none !important; } }
body.mode-shop #new-chat { display: none; }
body.mode-shop .chat .suggest .btn { height: auto; min-height: 32px; padding: 6px 12px; white-space: normal; text-align: left; line-height: 1.35; }

/* ---------- Kéo đổi độ rộng cột, thu gọn menu */
.resizer { position: absolute; top: 0; bottom: 0; right: -3px; width: 7px; cursor: col-resize; z-index: 6; touch-action: none; }
.resizer::after { content: ""; position: absolute; top: 0; bottom: 0; left: 3px; width: 1px; background: transparent; transition: background .15s; }
.resizer:hover::after, body.resizing .resizer::after { background: var(--accent); width: 2px; left: 2px; }
body.resizing { cursor: col-resize; user-select: none; }
body.resizing iframe, body.resizing svg { pointer-events: none; }
.main { position: relative; }
.dock-resizer { display: none; right: auto; top: 0; left: calc(100% - min(var(--dock-w, 400px), 60vw) - 3px); }
body.mode-shop.dock-open .dock-resizer { display: block; }
.shell.side-mini .resizer[data-resize="side"] { display: none; }
.logo { position: relative; }
.side-toggle { margin-left: auto; min-width: 26px; height: 26px; padding: 0 6px; font-size: 13px; color: var(--muted); border-color: transparent; background: none; }
.side-toggle:hover { color: var(--accent); }
@media (min-width: 901px) {
  .shell.side-mini .logo { flex-direction: column; padding: 12px 0 8px; gap: 6px; }
  .shell.side-mini .logo b, .shell.side-mini .logo span { display: none; }
  .shell.side-mini .side-toggle { margin: 0; }
  .shell.side-mini .nav { padding-inline: 6px; }
  .shell.side-mini .nav button { font-size: 0; justify-content: center; gap: 0; padding: 8px 0; position: relative; }
  .shell.side-mini .nav button i { font-size: 16px; width: auto; }
  .shell.side-mini .nav button > span { display: none; }
  .shell.side-mini .nav button > .nav-badge:not([hidden]) { display: block; position: absolute; top: 2px; right: 4px; min-width: 15px; height: 15px; padding: 0 3px; font-size: 9.5px; line-height: 15px; }
  .shell.side-mini .nav-group { font-size: 0; padding: 0; margin: 6px 8px; border-top: 1px solid var(--line); }
  .shell.side-mini .side-foot { display: none; }
}
.nav button > span:not(.nav-badge) { min-width: 0; overflow: hidden; text-overflow: ellipsis; }
.nav button .nav-badge { flex: none; }

/* ---------- Ô chat trong khung trợ lý: một hộp, ô nhập ở trên, nút ở dưới */
body.mode-shop .composer { gap: 6px; padding-block: 8px calc(10px + env(safe-area-inset-bottom, 0px)); }
body.mode-shop .composer .status { font-size: 12px; gap: 6px; }
body.mode-shop .composer .status select { max-width: 100%; min-width: 0; flex: 1; }
body.mode-shop .input-row { display: grid; grid-template-columns: auto auto 1fr auto; grid-template-areas: "msg msg msg msg" "mic att . send"; gap: 4px 6px; align-items: center; border: 1px solid var(--line); border-radius: 14px; background: var(--raise); padding: 6px 8px 8px; }
body.mode-shop .input-row:focus-within { border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 15%, transparent); }
body.mode-shop .input-row textarea { grid-area: msg; border: 0; background: none; padding: 6px 4px; min-height: 48px; max-height: 40vh; outline: none; box-shadow: none; overflow-y: auto; scrollbar-width: thin; }
body.mode-shop .input-row textarea:focus { outline: none; }
body.mode-shop #mic-btn { grid-area: mic; }
body.mode-shop #attach-btn { grid-area: att; }
body.mode-shop .input-row .send { grid-area: send; }
body.mode-shop .composer .icon-btn.big { min-width: 32px; width: 32px; height: 32px; font-size: 14px; border-color: transparent; background: none; }
body.mode-shop .composer .icon-btn.big:hover { border-color: var(--line); }
body.mode-shop .composer .send { width: 34px; height: 32px; border-radius: 9px; font-size: 15px; }
body.mode-shop .input-row.drag { border-color: var(--accent); border-style: dashed; }

@media (max-width: 900px) {
  .resizer, .side-toggle { display: none !important; }
  .shell.side-mini { --side-w: auto; }
  .side .logo { flex: none; }
  .side .nav { flex: 1; min-width: 0; }
  .side .nav button { flex: none; }
}
.logo { min-width: 0; overflow: hidden; padding-inline: 14px 10px; }
.logo img, .logo span, .side-toggle { flex: none; }
.logo b { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* Hướng dẫn cài như app */
.install-steps { margin: 8px 0 12px; padding-left: 18px; display: grid; gap: 6px; line-height: 1.5; }

/* Chế độ Chủ shop: ẩn phần kỹ thuật trong khung trợ lý (chọn model ở Cài đặt → Chung, số lượt / chi phí) */
body.mode-shop #model, body.mode-shop .chat .meta { display: none; }
#dock-full { display: none; }
body.mode-shop #dock-full { display: inline-grid; place-items: center; }
#dock-full .ic-shrink { display: none; }
body.dock-full #dock-full .ic-shrink { display: inline; }
body.dock-full #dock-full .ic-expand { display: none; }
/* Khung trợ lý phóng to: phủ vùng nội dung bên phải menu, nội dung chat ở giữa cho dễ đọc */
@media (min-width: 901px) {
  body.mode-shop.dock-open.dock-full .main > #view-chat { position: fixed; top: 0; right: 0; left: var(--side-w, 220px); bottom: 0; z-index: 30; border-left: 0; background: var(--bg); }
  /* Khung chat kéo tới đáy, đệm cuối cao hơn ô nhập: câu trả lời cuối luôn cuộn lên được, kể cả khi chưa đo được ô nhập */
  body.mode-shop.dock-open.dock-full #chat { padding-bottom: calc(var(--composer-h, 170px) + 24px); }
  body.mode-shop.dock-open.dock-full .main > .composer { position: fixed; left: var(--side-w, 220px); right: 0; bottom: 0; z-index: 30; border-left: 0; background: var(--bg); }
  body.mode-shop.dock-open.dock-full #chat, body.mode-shop.dock-open.dock-full .composer > * { max-width: 920px; width: 100%; margin-inline: auto; }
  body.mode-shop.dock-open.dock-full .dock-head { max-width: none; }
  body.mode-shop.dock-open.dock-full .dock-resizer { display: none; }
}
@media (max-width: 900px) { body.mode-shop #dock-full { display: none; } }
body.mode-shop .composer .status #live-dot { display: none; }
body.mode-shop .composer .status:has(#shop-activity:empty) { display: none; }

/* Hạn chế từ lẻ ở dòng cuối trong phần mô tả và tiêu đề nghiệp vụ. */
body.mode-shop p { text-wrap:pretty; }
body.mode-shop :is(h1,h2,h3) { text-wrap:balance; }

/* Nhắc thiết lập nhẹ trên Header; tôn trọng người dùng giảm chuyển động. */
#shop-setup-btn { position:relative; }
#shop-setup-btn.setup-reminder { animation:setup-reminder 2.4s ease-in-out infinite; }
@keyframes setup-reminder { 0%,100% { box-shadow:0 0 0 0 transparent; } 50% { box-shadow:0 0 0 3px #d9942c66; } }
@media (prefers-reduced-motion:reduce) { #shop-setup-btn.setup-reminder { animation:none; border-color:#d9942c; } }