/*!*************************************************************************************************************************************************************************************************************************************************************!*\
  !*** css ./node_modules/next/dist/build/webpack/loaders/css-loader/src/index.js??ruleSet[1].rules[13].oneOf[12].use[2]!./node_modules/next/dist/build/webpack/loaders/postcss-loader/src/index.js??ruleSet[1].rules[13].oneOf[12].use[3]!./app/globals.css ***!
  \*************************************************************************************************************************************************************************************************************************************************************/
/* ── Ivory Atelier (1B) — warm ivory ground, brass accents, serif display ──
   Palette drawn from the VFR / Jonathan Charles luxury-furniture brand. The
   whole app is variable-driven, so these tokens re-skin every surface. */
:root {
  --bg: #f4f0e8;
  --panel: #fbf9f4;
  --panel-2: #efe8da;
  --border: #e6dfce;
  --border-strong: #d8ccb0;
  --text: #221e17;
  --muted: #7c7565;
  --accent: #a8783a;
  --accent-dark: #8a6430;
  --accent-soft: rgba(168, 120, 58, 0.12);
  --user: #efe7d6;
  --db: #2f9e84;
  --db-soft: rgba(47, 158, 132, 0.14);
  --doc: #c0842f;
  --doc-soft: rgba(192, 132, 47, 0.16);
  --danger: #c0553f;
  --shadow: 0 12px 34px -18px rgba(60, 45, 20, 0.35);
  --radius: 12px;
  --font-serif: 'Cormorant Garamond', 'Be Vietnam Pro', Georgia, 'Times New Roman', serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  color: var(--text);
  font-family: 'Be Vietnam Pro', 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto,
    'Helvetica Neue', Arial, sans-serif;
  background:
    radial-gradient(1200px 720px at 50% 0%, #faf7f0 0%, rgba(250, 247, 240, 0) 62%),
    radial-gradient(900px 600px at 8% 100%, #efe7d6 0%, rgba(239, 231, 214, 0) 55%),
    var(--bg);
  background-attachment: fixed;
}

/* ── App shell (sidebar + main) ─────────────────────────────────────────── */
.shell {
  display: flex;
  height: 100vh;
  overflow: hidden;
}

.main {
  flex: 1 1;
  min-width: 0;
  max-width: 920px;
  margin: 0 auto;
  height: 100vh;
  display: flex;
  flex-direction: column;
  padding: 18px 20px;
  gap: 14px;
}

/* ── Sidebar ────────────────────────────────────────────────────────────── */
.sidebar {
  width: 260px;
  flex-shrink: 0;
  background: rgba(251, 249, 244, 0.82);
  -webkit-backdrop-filter: blur(10px);
          backdrop-filter: blur(10px);
  border-right: 1px solid var(--border);
  padding: 22px 18px;
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--accent);
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}

.sidebar-brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  color: var(--accent);
  background: transparent;
  border: 1px solid var(--border-strong);
}

.sidebar-brand-text { display: flex; flex-direction: column; line-height: 1.1; gap: 4px; }
.brand-wordmark {
  font-family: var(--font-serif); font-size: 24px; font-weight: 600;
  letter-spacing: 0.16em; color: var(--accent);
}
.sidebar-brand-text small {
  font-size: 9.5px; letter-spacing: 0.26em; text-transform: uppercase; color: var(--muted);
}

.sidebar-nav { display: flex; flex-direction: column; gap: 4px; }
.nav-item {
  padding: 10px 12px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  color: var(--muted);
  cursor: pointer;
  background: none;
  border: none;
  width: 100%;
  text-align: left;
  font-family: inherit;
}
.nav-item:hover { background: var(--panel-2); color: var(--text); }
.nav-item.active { color: var(--accent-dark); background: var(--accent-soft); }
.nav-item.active:hover { color: var(--accent-dark); background: var(--accent-soft); }

.sidebar-spacer { flex: 1 1; }

.sidebar-user {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 12px;
  background: var(--panel);
  border: 1px solid var(--border);
}
.sidebar-user-text { display: flex; flex-direction: column; line-height: 1.2; min-width: 0; }
.sidebar-user-text strong { font-size: 13.5px; }
.sidebar-user-text small { font-size: 12px; color: var(--muted); }

.sidebar-logout {
  border: 1px solid var(--border-strong);
  background: transparent;
  color: var(--accent-dark);
  border-radius: 10px;
  padding: 9px 12px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}
.sidebar-logout:hover { background: var(--accent-soft); }

/* ── Login / persona-pick screen ────────────────────────────────────────── */
.login {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  align-items: stretch;
}
.login-hero {
  padding: 8vh 6vw;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 18px;
}
.login-brand { display: flex; align-items: center; gap: 12px; color: var(--accent-dark); }
.login-brand-mark {
  width: 46px; height: 46px; border-radius: 9px;
  display: grid; place-items: center; color: var(--accent);
  background: transparent; border: 1px solid var(--border-strong);
}
.login-brand-name { font-family: var(--font-serif); font-size: 30px; font-weight: 600; letter-spacing: 0.16em; color: var(--accent); }
.login-title { font-family: var(--font-serif); font-size: 52px; font-weight: 600; line-height: 1.05; margin: 6px 0 0; color: var(--text); }
.login-sub { font-size: 16px; line-height: 1.6; color: var(--muted); max-width: 34ch; margin: 0; }
.login-points { margin: 8px 0 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 8px; }
.login-points li { position: relative; padding-left: 22px; font-size: 14.5px; color: var(--text); }
.login-points li::before {
  content: ''; position: absolute; left: 0; top: 7px; width: 9px; height: 9px;
  border-radius: 50%; background: linear-gradient(135deg, var(--accent), var(--accent-dark));
}

.login-panel {
  background: rgba(251, 249, 244, 0.78);
  -webkit-backdrop-filter: blur(12px);
          backdrop-filter: blur(12px);
  border-left: 1px solid var(--border);
  padding: 8vh 5vw;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.login-panel-lang { display: flex; justify-content: flex-end; margin-bottom: 14px; }
.login-panel-title { margin: 0; font-family: var(--font-serif); font-size: 28px; font-weight: 600; }
.login-panel-hint { margin: 6px 0 22px; color: var(--muted); font-size: 14px; }
.persona-grid { display: grid; grid-template-columns: 1fr 1fr; grid-gap: 12px; gap: 12px; }
.persona-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
  padding: 16px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--panel);
  cursor: pointer;
  text-align: left;
  transition: transform 0.12s ease, box-shadow 0.12s ease, border-color 0.12s ease;
}
.persona-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
  border-color: var(--accent);
}
.persona-card-avatar {
  width: 40px; height: 40px; border-radius: 50%;
  display: grid; place-items: center; font-weight: 700; font-size: 18px; color: #fff;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
}
.persona-card-avatar.sm { width: 34px; height: 34px; font-size: 15px; }
.persona-card-name { font-weight: 700; font-size: 15px; }
.persona-card-dept { font-size: 13px; color: var(--muted); }

/* ── Identity badge (header) ────────────────────────────────────────────── */
.badge {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 16px;
  box-shadow: var(--shadow);
}
.badge-left { display: flex; align-items: center; gap: 12px; }
.badge-avatar {
  width: 38px; height: 38px; border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: #fff; display: grid; place-items: center; font-weight: 700; font-size: 18px;
}
.badge-identity { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.badge-dept {
  text-transform: uppercase; letter-spacing: 0.06em; font-size: 12px; font-weight: 700;
  color: var(--accent-dark); background: var(--accent-soft);
  border: 1px solid var(--border-strong); padding: 2px 8px; border-radius: 999px;
}
.badge-name { font-weight: 600; }
.badge-id { color: var(--muted); font-feature-settings: "tnum"; font-variant-numeric: tabular-nums; }
.badge-sep { color: var(--muted); }
.badge-right { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.badge-active-model {
  font-size: 12px; font-weight: 700; padding: 3px 10px; border-radius: 999px;
  background: var(--db-soft); border: 1px solid rgba(47, 174, 143, 0.3); color: var(--db);
}

.model-switcher, .persona-switcher { display: flex; align-items: center; gap: 6px; }
.model-switcher-label, .persona-switcher-label { font-size: 12px; color: var(--muted); }
.model-switcher-select, .persona-switcher-select {
  background: var(--panel-2); color: var(--text);
  border: 1px solid var(--border-strong); border-radius: 9px;
  padding: 6px 8px; font-size: 13px; cursor: pointer;
}

/* ── Chat ───────────────────────────────────────────────────────────────── */
.chat {
  flex: 1 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 8px 4px;
}
.chat-empty { color: var(--muted); text-align: center; margin-top: 40px; font-size: 15px; }

.msg { display: flex; }
.msg-user { justify-content: flex-end; }
.msg-assistant { justify-content: flex-start; align-items: flex-start; gap: 12px; }

/* Serif "V" mark beside assistant turns — the atelier signature. */
.ai-avatar {
  flex-shrink: 0; width: 34px; height: 34px; border-radius: 50%;
  border: 1px solid var(--accent); color: var(--accent);
  display: grid; place-items: center;
  font-family: var(--font-serif); font-size: 17px; font-weight: 600; line-height: 1;
  margin-top: 2px; background: var(--panel);
}

.bubble {
  background: var(--user);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 12px 16px;
  border-radius: 14px 14px 4px 14px;
  max-width: 78%;
  line-height: 1.55;
  box-shadow: var(--shadow);
}

.msg-assistant .answer {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px 14px 14px 4px;
  padding: 15px 18px;
  min-width: 0;
  max-width: 100%;
  box-shadow: var(--shadow);
}

.answer-text { line-height: 1.6; }
.answer-text.prose > :first-child { margin-top: 0; }
.answer-text.prose > :last-child { margin-bottom: 0; }

/* markdown prose */
.prose p { margin: 0 0 8px; }
.prose h1, .prose h2, .prose h3 { margin: 12px 0 8px; line-height: 1.2; font-family: var(--font-serif); font-weight: 600; letter-spacing: 0.01em; }
.prose h1 { font-size: 25px; } .prose h2 { font-size: 22px; } .prose h3 { font-size: 19px; }
.prose ul, .prose ol { margin: 6px 0 8px; padding-left: 20px; }
.prose li { margin: 3px 0; }
.prose strong { color: var(--accent-dark); }
.prose code {
  font-family: 'SFMono-Regular', Menlo, Consolas, monospace;
  font-size: 12.5px; background: var(--panel-2);
  padding: 1px 5px; border-radius: 5px;
}
.prose table { border-collapse: collapse; width: 100%; margin: 8px 0; font-size: 13.5px; }
.prose th, .prose td { border: 1px solid var(--border); padding: 6px 10px; text-align: left; }
.prose th { background: var(--panel-2); font-weight: 700; }

/* interactive chart */
.echart-box {
  width: 100%;
  height: 300px;
  margin: 12px 0 4px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--panel);
  overflow: hidden;
}

.answer-meta { display: flex; align-items: center; gap: 8px; margin-top: 12px; flex-wrap: wrap; }
.source-tag { font-size: 12px; font-weight: 700; padding: 3px 9px; border-radius: 999px; }
.source-database { color: var(--db); background: var(--db-soft); border: 1px solid rgba(47, 174, 143, 0.3); }
.source-document { color: var(--doc); background: var(--doc-soft); border: 1px solid rgba(217, 144, 63, 0.3); }
.meta-chip {
  font-size: 12px; color: var(--muted);
  border: 1px solid var(--border); border-radius: 999px; padding: 2px 8px;
}
.meta-chip.latency { font-feature-settings: "tnum"; font-variant-numeric: tabular-nums; }

/* Dashboard (Thống kê) — KPI stat tiles, chart cards, leaderboard. */
.dash-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.dash-refresh {
  flex: none; border: 1px solid var(--border); background: var(--panel);
  color: var(--accent-dark); border-radius: 8px; padding: 7px 14px;
  font-size: 13px; font-weight: 600; cursor: pointer;
}
.dash-refresh:hover { background: var(--accent-soft); }
.dash-kpis {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  grid-gap: 12px;
  gap: 12px; margin-bottom: 14px;
}
.kpi-card {
  background: var(--panel); border: 1px solid var(--border); border-radius: 12px;
  padding: 14px 16px; display: flex; flex-direction: column; gap: 4px;
}
.kpi-value {
  font-family: var(--font-serif); font-size: 28px; font-weight: 600;
  color: var(--accent-dark); line-height: 1.1;
}
.kpi-label { font-size: 12px; color: var(--muted); }
.dash-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  grid-gap: 14px;
  gap: 14px; margin-bottom: 14px;
}
.dash-card h3 { margin-bottom: 6px; }
.lb-row {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 0; border-top: 1px solid var(--border);
}
.lb-rank { flex: none; width: 30px; text-align: center; font-size: 17px; font-weight: 700; color: var(--muted); }
.lb-who { flex: none; width: 190px; display: flex; flex-direction: column; }
.lb-who small { font-size: 12px; color: var(--muted); }
.lb-stats { flex: none; font-size: 12.5px; color: var(--muted); white-space: nowrap; }
.lb-badges { flex: 1 1; display: flex; flex-wrap: wrap; gap: 4px; justify-content: flex-end; }
.lb-points {
  flex: none; min-width: 64px; text-align: right;
  font-family: var(--font-serif); font-size: 19px; font-weight: 600; color: var(--accent-dark);
}

/* Ranked source references (management view) — semantic-search hits behind a
   document answer, best match first, with a brass relevance bar. */
.refs-panel {
  margin-top: 12px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px 6px;
}
.refs-head {
  font-size: 12.5px; font-weight: 600; color: var(--accent-dark);
  letter-spacing: 0.02em; margin-bottom: 8px;
}
.refs-row { display: flex; gap: 10px; padding: 6px 0; border-top: 1px solid var(--border); }
.refs-row:first-of-type { border-top: none; }
.refs-rank {
  flex: none; width: 22px; height: 22px; border-radius: 50%;
  display: grid; place-items: center; margin-top: 2px;
  background: var(--accent-soft); color: var(--accent-dark);
  font-size: 12px; font-weight: 700;
}
.refs-body { flex: 1 1; min-width: 0; }
.refs-title {
  display: flex; align-items: baseline; justify-content: space-between; gap: 8px;
  font-size: 13px; font-weight: 600;
}
.refs-score-label { flex: none; font-size: 12px; color: var(--muted); font-weight: 600; }
.refs-score-track {
  height: 4px; border-radius: 2px; background: var(--border);
  margin: 5px 0 6px; overflow: hidden;
}
.refs-score-fill {
  display: block; height: 100%; border-radius: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-dark));
}
.refs-snippet {
  font-size: 12.5px; color: var(--muted); line-height: 1.5;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}

.cube-query {
  margin-top: 12px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
}
.cube-query summary {
  cursor: pointer; padding: 8px 12px; font-size: 13px;
  color: var(--accent-dark); font-weight: 600; -webkit-user-select: none; -moz-user-select: none; user-select: none;
}
.cube-query pre {
  margin: 0; padding: 12px; overflow-x: auto;
  background: #2b2419; border-top: 1px solid var(--border);
}
.cube-query code {
  font-family: 'SFMono-Regular', Menlo, Consolas, monospace;
  font-size: 12.5px; color: #ece2cd;
}
.cube-query .cq-label {
  padding: 8px 12px 3px; font-size: 10.5px; letter-spacing: .06em;
  text-transform: uppercase; color: var(--muted); font-weight: 700;
}

.typing span {
  display: inline-block; width: 6px; height: 6px; margin: 0 2px; border-radius: 50%;
  background: var(--accent); animation: blink 1.2s infinite both;
}
.typing span:nth-child(2) { animation-delay: 0.2s; }
.typing span:nth-child(3) { animation-delay: 0.4s; }
@keyframes blink { 0%, 80%, 100% { opacity: 0.3; } 40% { opacity: 1; } }

/* ── Input ──────────────────────────────────────────────────────────────── */
.input-bar { display: flex; gap: 10px; padding-top: 4px; }
.input-field {
  flex: 1 1; background: var(--panel); border: 1px solid var(--border-strong);
  border-radius: 12px; padding: 13px 15px; color: var(--text); font-size: 15px; outline: none;
  box-shadow: var(--shadow);
}
.input-field:focus { border-color: var(--accent); }
.input-send {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: #fff; border: none; border-radius: 12px; padding: 0 22px;
  font-weight: 700; font-size: 15px; cursor: pointer; box-shadow: var(--shadow);
}
.input-send:disabled { opacity: 0.5; cursor: not-allowed; }

/* ── Read-only views (Kho dữ liệu / Nguồn dữ liệu / Cấu hình) ───────────────── */
.view { flex: 1 1; overflow-y: auto; padding: 8px 4px 24px; display: flex; flex-direction: column; gap: 16px; }
.view-head h2 { margin: 4px 0 4px; font-family: var(--font-serif); font-size: 30px; font-weight: 600; letter-spacing: 0.01em; }
.view-head p { margin: 0; color: var(--muted); font-size: 14px; }

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px 18px;
}
.config-card { display: flex; flex-direction: column; gap: 10px; }
.config-card h3 { margin: 0; font-family: var(--font-serif); font-size: 20px; font-weight: 600; color: var(--accent-dark); }
.config-sub { margin: 0; font-size: 13.5px; color: var(--muted); }
.config-list { margin: 4px 0 0; padding-left: 18px; display: flex; flex-direction: column; gap: 8px; font-size: 14px; }
.config-list strong { color: var(--accent-dark); }

.table-scroll { overflow-x: auto; }
.data-table { border-collapse: collapse; width: 100%; font-size: 13.5px; }
.data-table th, .data-table td { border: 1px solid var(--border); padding: 8px 11px; text-align: left; vertical-align: top; }
.data-table th { background: var(--panel-2); font-weight: 700; white-space: nowrap; }
.data-table code { font-family: 'SFMono-Regular', Menlo, Consolas, monospace; font-size: 12.5px; background: var(--panel-2); padding: 1px 5px; border-radius: 5px; }
.data-table .num { font-feature-settings: "tnum"; font-variant-numeric: tabular-nums; text-align: right; }
.data-table .desc { color: var(--muted); }

.pill {
  display: inline-block; font-size: 12px; font-weight: 700; padding: 2px 9px;
  border-radius: 999px; background: var(--accent-soft); color: var(--accent-dark);
  border: 1px solid var(--border-strong); margin-right: 4px;
}
.pill-accent { background: var(--accent); color: #fff; border-color: var(--accent-dark); }
.pill-muted { background: var(--panel-2); color: var(--muted); border-color: var(--border); }
.pill-amber { background: var(--doc-soft); color: var(--doc); border-color: rgba(217, 144, 63, 0.3); }
.chip-row { display: flex; flex-wrap: wrap; gap: 6px; }

/* table browser */
.nav-pill {
  display: inline-flex; align-items: center; gap: 7px;
  font-family: 'SFMono-Regular', Menlo, Consolas, monospace; font-size: 12.5px; font-weight: 600;
  padding: 6px 11px; border-radius: 999px; cursor: pointer;
  background: var(--panel); color: var(--text); border: 1px solid var(--border-strong);
}
.nav-pill:hover { border-color: var(--accent); }
.nav-pill.active { background: var(--accent); color: #fff; border-color: var(--accent-dark); }
.nav-pill-count {
  font-size: 11px; font-weight: 700; padding: 0 6px; border-radius: 999px;
  background: var(--accent-soft); color: var(--accent-dark);
}
.nav-pill.active .nav-pill-count { background: rgba(255, 255, 255, 0.25); color: #fff; }
.tb-meta { font-size: 13px; color: var(--muted); margin-bottom: 10px; }
.tb-meta code { font-family: 'SFMono-Regular', Menlo, Consolas, monospace; font-size: 12.5px; background: var(--panel-2); padding: 1px 6px; border-radius: 5px; color: var(--accent-dark); }
.tb-meta .muted { color: var(--muted); }
.tb-table td { white-space: nowrap; font-feature-settings: "tnum"; font-variant-numeric: tabular-nums; }
.col-type { display: block; font-size: 10.5px; font-weight: 500; color: var(--muted); text-transform: none; margin-top: 2px; }

/* clickable document citation inside answers */
.doc-link { color: var(--accent-dark); font-weight: 600; text-decoration: underline; text-underline-offset: 2px; }
.doc-link:hover { color: var(--accent); }
/* External source citations ([tên nguồn](url)) share the doc-link look so all
   answer links read as one system on the ivory ground (not browser blue). */
.answer-text a { color: var(--accent-dark); font-weight: 600; text-decoration: underline; text-underline-offset: 2px; }
.answer-text a:hover { color: var(--accent); }

/* Tài liệu (document list) */
.doc-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); grid-gap: 14px; gap: 14px; }
.doc-card {
  display: flex; align-items: flex-start; gap: 13px; text-decoration: none;
  background: var(--panel); border: 1px solid var(--border); border-radius: 14px;
  box-shadow: var(--shadow); padding: 15px 16px; transition: transform 0.12s ease, border-color 0.12s ease;
}
.doc-card:hover { transform: translateY(-2px); border-color: var(--accent); }
.doc-icon {
  flex-shrink: 0; width: 42px; height: 42px; border-radius: 10px; display: grid; place-items: center;
  font-size: 11px; font-weight: 800; letter-spacing: 0.04em; color: #fff;
  background: linear-gradient(135deg, #e0715f, #c8452f);
}
.doc-info { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.doc-info strong { font-size: 14.5px; color: var(--text); }
.doc-info small { font-size: 12px; color: var(--muted); }
.doc-file { font-size: 11.5px; color: var(--accent-dark); font-family: 'SFMono-Regular', Menlo, monospace; word-break: break-all; }

/* Kịch bản demo (question list) */
.qgroup { display: flex; flex-direction: column; gap: 10px; }
.qgroup h3 { margin: 0; font-size: 15px; color: var(--accent-dark); }
.qlist { display: flex; flex-direction: column; gap: 7px; }
.qitem {
  display: flex; align-items: center; justify-content: space-between; gap: 12px; text-align: left;
  background: var(--panel-2); border: 1px solid var(--border); border-radius: 11px;
  padding: 10px 14px; cursor: pointer; font-family: inherit; transition: border-color 0.12s ease, background 0.12s ease;
}
.qitem:hover { border-color: var(--accent); background: var(--accent-soft); }
.qtext { font-size: 14px; font-weight: 600; color: var(--text); }
.qnote { font-size: 12px; color: var(--muted); flex-shrink: 0; text-align: right; }

.source-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); grid-gap: 14px; gap: 14px; }
.source-card {
  background: var(--panel); border: 1px solid var(--border); border-radius: 14px;
  box-shadow: var(--shadow); padding: 15px 16px; display: flex; flex-direction: column; gap: 8px;
}
.source-card-top { display: flex; align-items: center; justify-content: space-between; }
.source-name { font-weight: 700; font-size: 15px; }
.source-role { font-size: 13px; color: var(--muted); line-height: 1.45; min-height: 34px; }
.source-foot { display: flex; align-items: center; justify-content: space-between; }
.source-note { font-size: 12px; color: var(--muted); font-family: 'SFMono-Regular', Menlo, monospace; }
.status-dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }
.status-text { font-size: 12.5px; font-weight: 700; }
.status-ok { color: var(--db); } span.status-ok.status-dot { background: var(--db); }
.status-down { color: var(--danger); } span.status-down.status-dot { background: var(--danger); }
.status-pending { color: var(--muted); } span.status-pending.status-dot { background: var(--muted); }

/* ── Responsive ─────────────────────────────────────────────────────────── */
@media (max-width: 860px) {
  .sidebar { display: none; }
  .login { grid-template-columns: 1fr; }
  .login-hero { padding: 6vh 8vw 2vh; }
  .login-panel { border-left: none; border-top: 1px solid var(--border); padding: 4vh 8vw 8vh; }
  .persona-grid { grid-template-columns: 1fr 1fr; }
}

/* ── Demo enhancements: source tags (contract/external), search-mode toggle,
      token-usage meter, feedback flag + admin cards ─────────────────────── */

.source-contract { color: #a15a3f; background: rgba(161, 90, 63, 0.13); border: 1px solid rgba(161, 90, 63, 0.32); }
.source-external { color: #2f7b9e; background: rgba(47, 123, 158, 0.13); border: 1px solid rgba(47, 123, 158, 0.3); }

/* Internal / external search-mode toggle */
.mode-toggle {
  display: inline-flex; border: 1px solid var(--border); border-radius: 999px;
  background: var(--panel-2); padding: 2px; gap: 2px;
}
.mode-opt {
  font-size: 12px; font-weight: 600; color: var(--muted);
  border: none; background: transparent; border-radius: 999px;
  padding: 4px 10px; cursor: pointer;
}
.mode-opt.active { background: var(--accent); color: #fff; }
.mode-opt:disabled { cursor: not-allowed; opacity: 0.55; }
.mode-locked { opacity: 0.85; }

/* Token-usage meter chip */
.usage-chip {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: 12px; color: var(--muted); font-feature-settings: "tnum"; font-variant-numeric: tabular-nums;
  border: 1px solid var(--border); border-radius: 999px; padding: 3px 10px;
}
.usage-bar {
  width: 52px; height: 6px; border-radius: 999px; background: var(--panel-2);
  overflow: hidden; display: inline-block;
}
.usage-fill { display: block; height: 100%; background: var(--accent); transition: width 0.3s; }
.usage-warn .usage-fill { background: #d9903f; }
.usage-warn { color: #d9903f; border-color: rgba(217, 144, 63, 0.4); }
.usage-over .usage-fill { background: #cf5f5f; }
.usage-over { color: #cf5f5f; border-color: rgba(207, 95, 95, 0.4); }
.usage-unlimited { color: var(--accent-dark); }

/* Feedback flag (🚩 Báo sai) in the answer meta row */
.flag-btn {
  font-size: 12px; color: var(--muted); background: transparent;
  border: 1px dashed var(--border); border-radius: 999px; padding: 2px 9px; cursor: pointer;
}
.flag-btn:hover { color: #cf5f5f; border-color: rgba(207, 95, 95, 0.5); }
.flag-sent { font-size: 12px; color: var(--db, #2fae8f); }
.flag-form { flex-basis: 100%; margin-top: 6px; }
.flag-input {
  width: 100%; font: inherit; font-size: 13px; color: var(--text);
  border: 1px solid var(--border); border-radius: 10px; padding: 8px 10px;
  background: var(--panel-2); resize: vertical;
}
.flag-actions { display: flex; gap: 8px; margin-top: 6px; }
.flag-submit {
  font-size: 12px; font-weight: 600; color: #fff; background: var(--accent);
  border: none; border-radius: 999px; padding: 5px 12px; cursor: pointer;
}
.flag-submit:disabled { opacity: 0.5; cursor: not-allowed; }
.flag-cancel {
  font-size: 12px; color: var(--muted); background: transparent;
  border: 1px solid var(--border); border-radius: 999px; padding: 5px 12px; cursor: pointer;
}

/* Feedback admin view */
.fb-card { display: flex; flex-direction: column; gap: 8px; }
.fb-head { display: flex; align-items: center; gap: 10px; }
.fb-id { font-weight: 700; color: var(--accent-dark); }
.fb-by { font-size: 12px; color: var(--muted); margin-left: auto; }
.fb-row { font-size: 14px; }
.fb-answer { color: var(--muted); }
.fb-correction { background: var(--accent-soft); border-radius: 10px; padding: 8px 10px; }
.fb-pending { background: var(--doc-soft); color: var(--doc); border-color: rgba(217, 144, 63, 0.3); }
.fb-approved { background: var(--db-soft, rgba(47,174,143,0.16)); color: var(--db, #2fae8f); border-color: rgba(47, 174, 143, 0.3); }
.fb-rejected { background: rgba(207, 95, 95, 0.12); color: #cf5f5f; border-color: rgba(207, 95, 95, 0.3); }
.fb-actions { display: flex; gap: 10px; margin-top: 2px; }
.fb-approve {
  font-size: 13px; font-weight: 600; color: #fff; background: var(--db, #2fae8f);
  border: none; border-radius: 999px; padding: 6px 14px; cursor: pointer;
}
.fb-reject {
  font-size: 13px; font-weight: 600; color: #cf5f5f; background: transparent;
  border: 1px solid rgba(207, 95, 95, 0.4); border-radius: 999px; padding: 6px 14px; cursor: pointer;
}
.fb-approve:disabled, .fb-reject:disabled { opacity: 0.5; cursor: not-allowed; }
.fb-note { font-size: 12px; color: var(--muted); }

/* Audit log view */
.audit-toolbar { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; }
.audit-table { font-size: 12.5px; }
.audit-ts { white-space: nowrap; color: var(--muted); font-feature-settings: "tnum"; font-variant-numeric: tabular-nums; }
.audit-q { max-width: 320px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.audit-dept { color: var(--muted); }
.audit-num { text-align: right; font-feature-settings: "tnum"; font-variant-numeric: tabular-nums; white-space: nowrap; }
.audit-ok { background: var(--db-soft, rgba(47,174,143,.16)); color: var(--db, #2fae8f); }
.audit-denied { background: rgba(207, 95, 95, 0.12); color: #cf5f5f; }
.audit-refused { background: var(--panel-2); color: var(--muted); }
.audit-limit { background: var(--doc-soft); color: var(--doc); }
.audit-error { background: rgba(207, 95, 95, 0.2); color: #cf5f5f; }

/* Progress stage line under the typing indicator */
.stage-line { font-size: 12.5px; color: var(--muted); margin-top: 6px; display: flex; align-items: center; gap: 6px; }
.stage-line::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--accent); animation: stagepulse 1.1s ease-in-out infinite; }
@keyframes stagepulse { 0%,100% { opacity: .35; } 50% { opacity: 1; } }

/* Clear-conversation button in the input bar */
.input-clear { font-size: 12px; color: var(--muted); background: transparent; border: 1px solid var(--border); border-radius: 999px; padding: 6px 12px; cursor: pointer; white-space: nowrap; }
.input-clear:hover { color: var(--text); }

/* Document upload (Tài liệu tab) */
.upload-card { margin-bottom: 16px; }
.upload-row { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.upload-row h3 { margin: 0 0 4px; }
.upload-btn {
  font-size: 14px; font-weight: 600; color: #fff; background: var(--accent);
  border-radius: 999px; padding: 10px 18px; cursor: pointer; white-space: nowrap;
}
.upload-btn.disabled { opacity: 0.6; cursor: wait; }
.upload-note {
  margin-top: 10px; font-size: 13.5px; color: var(--db, #2fae8f);
  background: var(--db-soft, rgba(47,174,143,.12)); border-radius: 10px; padding: 8px 12px;
}
.upload-note.err { color: #cf5f5f; background: rgba(207, 95, 95, 0.1); }
.doc-shelf { margin: 18px 0 8px; color: var(--muted); font-size: 13px; text-transform: uppercase; letter-spacing: 0.04em; }
.doc-icon.up { background: var(--db, #2fae8f); }

/* Admin demo-reset card */
.reset-card { border-color: rgba(207, 95, 95, 0.35); }
.reset-btn {
  font-size: 14px; font-weight: 600; color: #cf5f5f; background: transparent;
  border: 1px solid rgba(207, 95, 95, 0.5); border-radius: 999px; padding: 9px 18px; cursor: pointer;
}
.reset-btn:hover:not(:disabled) { background: rgba(207, 95, 95, 0.08); }
.reset-btn:disabled { opacity: 0.5; cursor: not-allowed; }
.reset-confirm { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; font-size: 13.5px; color: var(--muted); }

/* Admin permission-matrix editor (Khung phân quyền người dùng) */
.cfg-table td { vertical-align: middle; }
.cfg-usage { font-size: 11.5px; color: var(--muted); margin-top: 3px; }
.cfg-models { display: flex; flex-direction: column; gap: 4px; }
.cfg-check { display: flex; align-items: center; gap: 6px; font-size: 13px; cursor: pointer; white-space: nowrap; }
.cfg-check input { accent-color: var(--accent); width: 15px; height: 15px; cursor: pointer; }
.cfg-limit { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.cfg-limit-input {
  width: 96px; border: 1px solid var(--border-strong); border-radius: 8px;
  padding: 6px 9px; font-size: 13.5px; color: var(--text); background: var(--panel);
  font-feature-settings: "tnum";
  font-variant-numeric: tabular-nums; text-align: right; outline: none;
}
.cfg-limit-input:focus { border-color: var(--accent); }
.cfg-hint { font-size: 11.5px; color: var(--muted); }
.cfg-save-btn { white-space: nowrap; }
/* Model-catalog rows reuse the config input, but hold a slug / display name
   rather than a token count — wider, left-aligned, proportional figures. */
.cfg-model-input {
  width: 100%; min-width: 180px; text-align: left; font-feature-settings: normal; font-variant-numeric: normal;
}
.cfg-table td .cfg-save-btn + .cfg-save-btn { margin-left: 6px; }
.cfg-add-row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-top: 10px; }

/* Browse-to-add picker over the live OpenRouter directory. The list is capped
   and scrollable — the directory is 300+ entries. */
.or-picker {
  margin-top: 10px; padding: 12px; border: 1px solid var(--border-strong);
  border-radius: 10px; background: var(--panel);
}
.or-picker .cfg-model-input { max-width: 340px; }
.or-list { list-style: none; margin: 10px 0 6px; padding: 0; max-height: 320px; overflow-y: auto; }
.or-item {
  display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1.4fr) auto auto;
  grid-gap: 10px;
  gap: 10px; align-items: center; width: 100%; text-align: left; cursor: pointer;
  padding: 7px 9px; border: 1px solid transparent; border-radius: 8px;
  background: none; color: var(--text); font-size: 13px;
}
.or-item:hover:not(:disabled) { border-color: var(--accent); background: var(--panel-2, rgba(127, 127, 127, 0.08)); }
.or-item:disabled { opacity: 0.45; cursor: default; }
.or-name { font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.or-id { color: var(--muted); font-size: 12px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.or-meta { color: var(--muted); font-size: 11.5px; white-space: nowrap; }
.or-add { color: var(--accent); font-size: 12px; white-space: nowrap; }
.or-item:disabled .or-add { color: var(--muted); }

/* Invoice-email preview — full rendered email + PDF + "Duyệt & Gửi" on an unsent draft */
.email-preview {
  margin-top: 12px; padding: 14px; border: 1px solid var(--border-strong);
  border-left: 3px solid var(--accent); border-radius: 10px; background: var(--panel);
}
.email-preview-head {
  display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  font-size: 12.5px;
}
.email-preview-tag {
  font-weight: 700; color: var(--accent-dark); background: var(--accent-soft);
  border: 1px solid var(--border-strong); border-radius: 6px; padding: 2px 8px;
}
.email-preview-to { color: var(--muted); }
.email-preview-subject { margin: 8px 0 6px; font-size: 15px; font-weight: 600; }
.email-preview-frame {
  width: 100%; height: 260px; border: 1px solid var(--border); border-radius: 8px;
  background: #fff;
}
.email-preview-actions {
  display: flex; align-items: center; justify-content: flex-end; gap: 10px; margin-top: 12px;
}
.email-preview-pdf {
  padding: 8px 14px; border: 1px solid var(--border-strong); border-radius: 8px; cursor: pointer;
  font-weight: 600; color: var(--accent-dark); background: var(--panel-2);
}
.email-preview-pdf:hover { border-color: var(--accent); }
.approve-email-btn {
  white-space: nowrap; padding: 8px 18px; border: 0; border-radius: 8px; cursor: pointer;
  font-weight: 600; color: #fff; background: linear-gradient(135deg, var(--accent), var(--accent-dark));
}
.approve-email-btn:disabled { opacity: 0.55; cursor: default; }

/* Proactive next-step CTA — AI suggests persisting a result to the ERP */
.action-cta {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  margin-top: 12px; padding: 10px 14px;
  background: var(--panel-2); border: 1px dashed var(--border-strong); border-radius: 10px;
}
.action-cta-hint { font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.08em; }
.action-cta-btn {
  padding: 8px 16px; border: 1px solid var(--accent); border-radius: 8px; cursor: pointer;
  font-weight: 600; color: var(--accent-dark); background: transparent;
}
.action-cta-btn:hover:not(:disabled) { background: var(--accent); color: #fff; }
.action-cta-btn:disabled { opacity: 0.55; cursor: default; }

/* "View in ERP" deep link — after a create action, open the record in the ERP UI */
.erp-link {
  display: inline-flex; align-items: center; gap: 6px;
  margin-top: 12px; padding: 8px 14px; border-radius: 8px;
  font-weight: 600; font-size: 13px; text-decoration: none;
  color: var(--accent-dark); background: var(--accent-soft); border: 1px solid var(--border-strong);
}
.erp-link:hover { background: var(--accent); color: #fff; border-color: var(--accent); }

/* ── Tầng ngữ nghĩa (Cube.js semantic-layer editor) ─────────────────────── */
.sl-bar {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; flex-wrap: wrap; margin-bottom: 14px;
}
/* Data-source connection editor (Nguồn dữ liệu) */
.ds-editor { margin-top: 14px; padding: 16px; }
.ds-warn {
  margin-top: 10px; padding: 8px 12px; border-radius: 8px; font-size: 12.5px;
  color: #92400e; background: #fef3c7; border: 1px solid #fcd34d;
}
@media (prefers-color-scheme: dark) {
  .ds-warn { color: #fde68a; background: rgba(180, 83, 9, 0.18); border-color: rgba(217, 119, 6, 0.5); }
}
.ds-form {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  grid-gap: 12px;
  gap: 12px; margin: 12px 0;
}
.ds-form label { display: flex; flex-direction: column; gap: 4px; font-size: 12px; color: var(--muted); }
.ds-form input {
  font-size: 13px; color: var(--text); background: var(--panel-2);
  border: 1px solid var(--border); border-radius: 8px; padding: 7px 10px;
}
.ds-form input:focus { outline: none; border-color: var(--accent); }
.ds-options { display: flex; flex-direction: column; gap: 4px; font-size: 12px; color: var(--muted); margin-bottom: 12px; }
.ds-options textarea {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12.5px;
  color: var(--text); background: var(--panel-2); border: 1px solid var(--border);
  border-radius: 8px; padding: 8px 10px; min-height: 60px; resize: vertical;
}
.ds-options textarea:focus { outline: none; border-color: var(--accent); }

/* Danger action (delete cube / data source) — text button, red on hover */
.sl-del { color: var(--danger, #c0392b); }
.sl-del:hover:not(:disabled) { border-color: var(--danger, #c0392b); background: rgba(192,57,43,0.08); }
.ds-actions { display: inline-flex; align-items: center; gap: 6px; flex-wrap: wrap; }

.sl-new { display: inline-flex; align-items: center; gap: 8px; }
.sl-new-input {
  font-size: 13px; color: var(--text); background: var(--panel-2);
  border: 1px solid var(--border); border-radius: 8px; padding: 6px 10px;
  width: 200px;
}
.sl-new-input::placeholder { color: var(--muted); }
.sl-new-input:focus { outline: none; border-color: var(--accent); }
.sl-editor { padding: 0; overflow: hidden; }
.sl-editor-head {
  display: flex; align-items: center; gap: 8px;
  padding: 12px 16px; border-bottom: 1px solid var(--border);
  background: var(--panel-2); font-size: 13px;
}
.sl-editor-head code { color: var(--accent); font-weight: 600; }
.sl-code {
  width: 100%; min-height: 460px; resize: vertical; border: 0; outline: none;
  padding: 16px; background: var(--panel); color: var(--text);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12.5px; line-height: 1.65; -moz-tab-size: 2; tab-size: 2; white-space: pre;
}
.sl-code[readonly] { background: var(--panel-2); color: var(--muted); }
.sl-actions {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 16px; border-top: 1px solid var(--border);
}
.btn-primary {
  background: var(--accent); color: #fff; border: 0; border-radius: 8px;
  padding: 8px 18px; font-size: 13.5px; font-weight: 600; cursor: pointer;
}
.btn-primary:hover { background: var(--accent-dark); }
.btn-primary:disabled { opacity: 0.5; cursor: default; }
.btn-ghost {
  background: transparent; color: var(--muted); border: 1px solid var(--border-strong);
  border-radius: 8px; padding: 8px 14px; font-size: 13.5px; cursor: pointer;
}
.btn-ghost:disabled { opacity: 0.45; cursor: default; }
.sl-status { font-size: 13px; }
.sl-status.sl-ok { color: #3a7d3a; }
.sl-status.sl-err { color: #b3402f; }
.sl-status.sl-saving { color: var(--muted); }

/* ── Document upload: post-upload AI analysis card ──────────────────────── */
.doc-analysis { margin-bottom: 20px; border-left: 3px solid var(--accent); }
.doc-analysis-head { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; }
.doc-analysis-head strong { font-size: 15px; }
.doc-analysis-sum { margin: 0 0 12px; color: var(--text); font-size: 14px; line-height: 1.6; }
.doc-analysis-q { display: flex; flex-direction: column; gap: 8px; }
.q-chip {
  background: var(--accent-soft); color: var(--accent-dark);
  border: 1px solid var(--border-strong); border-radius: 999px;
  padding: 6px 14px; font-size: 13px; cursor: pointer; text-align: left;
}
.q-chip:hover { background: var(--accent); color: #fff; }
.doc-sum {
  display: block; color: var(--muted); font-size: 12.5px; line-height: 1.5;
  margin-top: 6px; overflow: hidden; display: -webkit-box;
  -webkit-line-clamp: 3; -webkit-box-orient: vertical;
}