:root{
  --bg:#07111f;
  --bg-soft:#0b1628;
  --bg-card:#101c31;
  --bg-card-2:#142742;
  --bg-card-3:#17304f;
  --text:#f3f7ff;
  --text-soft:#95a8c9;
  --text-faint:#6f84a7;
  --line:rgba(148,163,184,.16);
  --line-strong:rgba(148,163,184,.26);
  --accent:#25c86a;
  --accent-2:#48a7ff;
  --warning:#fbbf24;
  --danger:#fb7185;
  --success:#22c55e;
  --shadow:0 20px 48px rgba(2,8,23,.34);
  --shadow-soft:0 10px 24px rgba(2,8,23,.24);
  --radius:22px;
  --radius-sm:14px;
  --radius-xs:10px;
  --content-max:1480px;
  --sidebar-width:290px;
  --topbar-height:84px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
html{background:#07111f}
body{
  font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  background:
    radial-gradient(circle at top right, rgba(72,167,255,.08), transparent 26%),
    radial-gradient(circle at top left, rgba(37,200,106,.07), transparent 24%),
    linear-gradient(180deg,#081221 0%,#07111f 100%);
  color:var(--text);
  min-height:100vh
}
a{text-decoration:none;color:inherit}
button,input,select,textarea{font:inherit}
img{max-width:100%;display:block}
[hidden]{display:none !important}
.layout-shell{display:flex;min-height:100vh}
.sidebar{
  width:var(--sidebar-width);
  background:rgba(5,13,25,.92);
  border-right:1px solid var(--line);
  display:flex;
  flex-direction:column;
  position:fixed;
  inset:0 auto 0 0;
  z-index:40;
  backdrop-filter:blur(18px)
}
.sidebar-brand{
  display:flex;gap:14px;align-items:center;
  padding:22px 22px 18px;border-bottom:1px solid var(--line)
}
.brand-badge{
  width:48px;height:48px;border-radius:16px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#08111f;
  font-size:1.2rem;box-shadow:0 12px 30px rgba(37,200,106,.22)
}
.brand-copy strong{display:block;font-size:1.04rem;letter-spacing:.01em}
.brand-copy span{color:var(--text-soft);font-size:.82rem;line-height:1.4;display:block;max-width:190px}
.sidebar-scroll{overflow:auto;padding:12px 14px 18px;display:flex;flex-direction:column;gap:18px}
.sidebar-scroll::-webkit-scrollbar{width:10px}
.sidebar-scroll::-webkit-scrollbar-thumb{background:rgba(255,255,255,.08);border-radius:999px}
.nav-group-title{
  font-size:.72rem;color:var(--text-soft);text-transform:uppercase;letter-spacing:.13em;
  padding:0 10px 8px;font-weight:700
}
.nav-list{display:flex;flex-direction:column;gap:4px}
.nav-item{
  display:flex;align-items:center;gap:12px;padding:11px 12px;border-radius:14px;color:#dce7ff;
  transition:.18s ease;min-height:46px;position:relative
}
.nav-item i{width:18px;text-align:center;color:#9fc4ff}
.nav-item:hover{background:rgba(255,255,255,.04);transform:translateX(2px)}
.nav-item.active{
  background:linear-gradient(135deg,rgba(37,200,106,.14),rgba(72,167,255,.14));
  box-shadow:inset 0 0 0 1px rgba(72,167,255,.24)
}
.nav-item.active::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;border-radius:999px;
  background:linear-gradient(180deg,var(--accent),var(--accent-2))
}
.nav-badge{
  margin-left:auto;padding:3px 8px;border-radius:999px;background:rgba(255,255,255,.06);
  font-size:.7rem;color:var(--text-soft);white-space:nowrap
}
.sidebar-footer{
  margin-top:auto;padding:16px;border-top:1px solid var(--line);display:flex;flex-direction:column;gap:14px;
  background:rgba(255,255,255,.015)
}
.user-chip{display:flex;align-items:center;gap:12px}
.user-avatar{
  width:40px;height:40px;border-radius:50%;display:grid;place-items:center;
  background:linear-gradient(135deg,#17335d,#234b88);color:white;font-weight:700;box-shadow:var(--shadow-soft)
}
.user-chip span,.muted{color:var(--text-soft)}
.env-chip{
  display:inline-flex;align-self:flex-start;padding:5px 10px;border-radius:999px;
  background:rgba(37,200,106,.12);color:#9df2be;font-size:.75rem;border:1px solid rgba(37,200,106,.26)
}
.main-shell{margin-left:var(--sidebar-width);flex:1;min-width:0}
.topbar{
  position:sticky;top:0;z-index:20;border-bottom:1px solid var(--line);
  background:rgba(7,17,31,.8);backdrop-filter:blur(18px)
}
.topbar-inner,.page-inner{max-width:var(--content-max);margin:0 auto;width:100%}
.topbar-inner{
  display:flex;justify-content:space-between;align-items:center;gap:20px;padding:18px 28px;min-height:var(--topbar-height)
}
.page-title{font-size:1.55rem;font-weight:800;letter-spacing:-.02em}
.page-subtitle{color:var(--text-soft);font-size:.92rem;margin-top:5px;line-height:1.5;max-width:760px}
.topbar-left{display:flex;align-items:center;gap:16px;min-width:0}
.topbar-actions{display:flex;gap:10px;flex-wrap:wrap;justify-content:flex-end}
.page-shell{padding:26px 28px 44px}
.page-inner{display:flex;flex-direction:column;gap:18px}
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.card{
  background:linear-gradient(180deg,rgba(16,28,49,.96) 0%,rgba(20,39,66,.98) 100%);
  border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow);min-width:0;overflow:hidden
}
.card h2,.card h3,.card h4{margin:0 0 12px;letter-spacing:-.01em}
.card-subtitle{color:var(--text-soft);font-size:.9rem;margin-top:-4px;margin-bottom:14px;line-height:1.5}
.metric-card{
  background:linear-gradient(180deg,rgba(255,255,255,.035),rgba(255,255,255,.02));
  border:1px solid rgba(255,255,255,.06);border-radius:18px;padding:18px;min-height:132px;display:flex;
  flex-direction:column;justify-content:space-between
}
.metric-label{font-size:.8rem;color:var(--text-soft);text-transform:uppercase;letter-spacing:.08em}
.metric-value{font-size:2rem;font-weight:800;margin:10px 0 6px;letter-spacing:-.03em;line-height:1.05}
.metric-note{font-size:.78rem;color:var(--text-soft);line-height:1.45}
.stack{display:flex;flex-direction:column;gap:12px}
.stack-lg{display:flex;flex-direction:column;gap:16px}
.toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.field{display:flex;flex-direction:column;gap:8px}
.field label{font-size:.83rem;color:var(--text-soft);font-weight:600}
input,select,textarea{
  width:100%;background:#0a1527;border:1px solid rgba(255,255,255,.08);border-radius:14px;padding:12px 14px;
  color:var(--text);outline:none;box-shadow:inset 0 1px 0 rgba(255,255,255,.03)
}
input::placeholder,textarea::placeholder{color:#6f86ad}
input:focus,select:focus,textarea:focus{
  border-color:rgba(72,167,255,.45);box-shadow:0 0 0 3px rgba(72,167,255,.12)
}
textarea{min-height:132px;resize:vertical}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;border:none;border-radius:14px;
  padding:11px 16px;background:#223a60;color:white;cursor:pointer;transition:.18s ease;font-weight:700;box-shadow:var(--shadow-soft)
}
.btn:hover{transform:translateY(-1px)}
.btn.primary{background:linear-gradient(135deg,var(--accent),#1f9f53);color:#06101d}
.btn.secondary,.btn.ghost{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.09);box-shadow:none}
.btn.danger{background:linear-gradient(135deg,#f43f5e,#fb7185)}
.btn.warning{background:linear-gradient(135deg,#f59e0b,#fbbf24);color:#251b04}
.btn.soft-success{background:rgba(34,197,94,.14);border:1px solid rgba(34,197,94,.2);color:#97efb0}
.btn-block{width:100%}
.icon-btn{
  width:42px;height:42px;border-radius:12px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.08);
  color:white;cursor:pointer
}
.mobile-only{display:none}
.table-wrap{
  overflow:auto;border-radius:18px;border:1px solid rgba(255,255,255,.06);background:rgba(255,255,255,.015)
}
.table-wrap::-webkit-scrollbar{height:10px;width:10px}
.table-wrap::-webkit-scrollbar-thumb{background:rgba(255,255,255,.08);border-radius:999px}
table{width:100%;border-collapse:collapse;min-width:860px}
th,td{padding:13px 14px;border-bottom:1px solid rgba(255,255,255,.06);text-align:left;font-size:.9rem;vertical-align:top}
th{
  font-size:.76rem;text-transform:uppercase;letter-spacing:.09em;color:var(--text-soft);
  background:rgba(255,255,255,.03);position:sticky;top:0;z-index:1
}
tr:hover td{background:rgba(255,255,255,.02)}
.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:999px;font-size:.74rem;font-weight:800}
.badge.success{background:rgba(34,197,94,.14);color:#96efb0}
.badge.warning{background:rgba(251,191,36,.14);color:#fcd36a}
.badge.danger{background:rgba(251,113,133,.14);color:#fda4af}
.badge.info{background:rgba(72,167,255,.14);color:#9fd1ff}
.kicker{font-size:.74rem;text-transform:uppercase;letter-spacing:.12em;color:var(--text-soft);font-weight:700}
.chat-list{display:flex;flex-direction:column;gap:10px;max-height:680px;overflow:auto;padding-right:4px}
.chat-row{display:flex;flex-direction:column;gap:6px;padding:12px;border-radius:14px;background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.05)}
.chat-bubble{padding:12px 14px;border-radius:18px;max-width:min(86%,780px);line-height:1.55;white-space:pre-wrap;word-break:break-word}
.chat-bubble.user{align-self:flex-end;background:rgba(37,200,106,.12);border:1px solid rgba(37,200,106,.25)}
.chat-bubble.assistant,.chat-bubble.bot{align-self:flex-start;background:rgba(72,167,255,.1);border:1px solid rgba(72,167,255,.2)}
.split{display:grid;grid-template-columns:minmax(0,1.18fr) minmax(360px,.82fr);gap:16px}
.conversation-row td{vertical-align:middle}
#convTableBody{font-size:.88rem}
#convTableBody tr{height:74px}
#convTableBody td:nth-child(1),#convTableBody td:nth-child(2){min-width:0}
#convTableBody td:nth-child(3){width:92px}
#convTableBody td:nth-child(4){width:130px}
#convTableBody td:nth-child(5){width:112px}
.conversation-row{cursor:pointer}
.conversation-row.selected td{background:rgba(72,167,255,.08)}
.conversation-row:focus{outline:2px solid rgba(72,167,255,.45);outline-offset:-2px}
.conversation-contact{width:25%;max-width:260px}
.conversation-contact strong{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:230px}
.conversation-preview{width:46%;min-width:300px;max-width:560px}
.message-preview{
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  max-width:620px;
  line-height:1.45;
  overflow-wrap:anywhere;
}
.ellipsis{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:100%}
.small.btn,.btn.small{padding:8px 11px;border-radius:12px;font-size:.8rem}
.chart-box,.mini-chart{position:relative;height:290px !important;max-height:290px}
.empty{padding:20px;border:1px dashed rgba(255,255,255,.12);border-radius:16px;color:var(--text-soft);text-align:center;background:rgba(255,255,255,.02)}
.alert{display:flex;gap:10px;align-items:flex-start;padding:13px 14px;border-radius:14px;border:1px solid rgba(255,255,255,.08);background:rgba(255,255,255,.04)}
.alert.warning{background:rgba(251,191,36,.12);border-color:rgba(251,191,36,.18)}
.alert.danger{background:rgba(251,113,133,.12);border-color:rgba(251,113,133,.18)}
.alert.success{background:rgba(34,197,94,.12);border-color:rgba(34,197,94,.18)}
.alert.info{background:rgba(72,167,255,.12);border-color:rgba(72,167,255,.18)}
.small{font-size:.82rem}
.pill{display:inline-flex;padding:3px 8px;border-radius:999px;font-size:.72rem;background:rgba(255,255,255,.06)}
.pill.warning{background:rgba(251,191,36,.16)}
.toast-wrap{position:fixed;top:20px;right:20px;display:flex;flex-direction:column;gap:10px;z-index:200}
.toast{
  opacity:0;transform:translateY(-6px);transition:.2s ease;padding:12px 14px;border-radius:14px;background:#10213b;
  border:1px solid rgba(255,255,255,.08);box-shadow:var(--shadow);max-width:380px
}
.toast.show{opacity:1;transform:translateY(0)}
.toast.success{border-color:rgba(34,197,94,.25)}
.toast.warning{border-color:rgba(251,191,36,.25)}
.toast.danger{border-color:rgba(251,113,133,.25)}
.auth-body{display:grid;place-items:center;padding:24px;min-height:100vh}
.auth-layout{
  display:grid;grid-template-columns:1.1fr .9fr;max-width:1180px;width:100%;
  background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.06);border-radius:32px;overflow:hidden;box-shadow:var(--shadow)
}
.auth-panel{
  padding:46px;background:
    radial-gradient(circle at top right,rgba(72,167,255,.18),transparent 34%),
    linear-gradient(180deg,#0b1b31,#091524)
}
.auth-panel h1{font-size:2.4rem;line-height:1.05;margin:16px 0 14px;max-width:620px}
.auth-panel p{max-width:560px;color:#cfdbef;line-height:1.75}
.auth-badge{display:inline-flex;padding:6px 12px;border-radius:999px;background:rgba(255,255,255,.06);color:#cde0ff;font-size:.78rem}
.auth-feature-list{display:grid;gap:12px;margin-top:28px}
.auth-feature{
  display:flex;gap:12px;align-items:center;padding:12px 14px;border-radius:16px;
  background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.05)
}
.auth-feature i{color:var(--accent)}
.auth-card{padding:36px;background:#0d1729}
.auth-card-head{display:flex;gap:14px;align-items:center;margin-bottom:18px}
.password-wrap{display:flex;gap:8px;align-items:center}
.password-wrap input{flex:1}
.sidebar-overlay{display:none}
.content-grid{display:flex;flex-direction:column;gap:16px}
.hero-card{display:flex;justify-content:space-between;gap:22px;align-items:flex-end;overflow:hidden}
.hero-copy p{max-width:760px;color:var(--text-soft);line-height:1.75}
.hero-card .toolbar{justify-content:flex-end}
.manual-layout{display:grid;grid-template-columns:280px minmax(0,1fr);gap:16px}
.manual-index{position:sticky;top:104px;height:max-content}
.manual-index a{display:block;padding:9px 10px;border-radius:10px;color:#dce7ff}
.manual-index a:hover{background:rgba(255,255,255,.04)}
.manual-content section{scroll-margin-top:96px}
code,pre{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
pre{background:#08111d;padding:14px;border-radius:14px;overflow:auto;border:1px solid rgba(255,255,255,.06)}
.list-clean{margin:0;padding-left:18px;display:flex;flex-direction:column;gap:8px}
.section-tabs{display:flex;gap:10px;flex-wrap:wrap;border-bottom:1px solid rgba(255,255,255,.06);padding-bottom:8px;margin-bottom:14px}
.section-tabs button{
  background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);color:var(--text);
  padding:10px 14px;border-radius:14px;cursor:pointer
}
.section-tabs button.active{
  background:linear-gradient(135deg,rgba(37,200,106,.22),rgba(72,167,255,.16));
  border-color:rgba(72,167,255,.3)
}
.tab-panel{display:none}
.tab-panel.active{display:block}
.code-editor{min-height:320px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;background:#08111d}
.card-grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.card-grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.code-block{background:#08111d;border:1px solid rgba(255,255,255,.06);border-radius:16px;padding:14px;overflow:auto}
.stat-strip{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.kpi-inline{display:flex;justify-content:space-between;align-items:flex-start;gap:10px}
.kpi-inline strong{font-size:1.75rem}
.timeline{display:flex;flex-direction:column;gap:12px}
.timeline-item{padding:12px 14px;border-radius:14px;background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.05)}
.kv-list{display:grid;grid-template-columns:180px 1fr;gap:10px 16px}
.kv-list div:nth-child(odd){color:var(--text-soft)}
.tag{display:inline-flex;align-items:center;gap:6px;padding:5px 10px;border-radius:999px;background:rgba(255,255,255,.05);font-size:.76rem}
.token-box{
  display:flex;align-items:center;gap:10px;padding:12px 14px;border-radius:16px;background:#08111d;
  border:1px solid rgba(255,255,255,.06);font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;overflow:auto
}
.list-card{padding:14px;border-radius:16px;background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.05)}
.list-card h4{margin:0 0 8px}
.text-right{text-align:right}
.status-dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--accent);margin-right:8px}
.form-help{font-size:.78rem;color:var(--text-soft);line-height:1.5}
.divider{height:1px;background:rgba(255,255,255,.06);margin:6px 0}
.pager{display:flex;justify-content:flex-end;align-items:center;gap:12px;flex-wrap:wrap}
.surface-soft{background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.06);border-radius:18px;padding:16px}

/* New library UX */
.library-shell{display:grid;grid-template-columns:420px minmax(0,1fr);gap:16px}
.library-dropzone{
  position:relative;
  border:1px dashed rgba(72,167,255,.34);
  background:linear-gradient(180deg, rgba(72,167,255,.08), rgba(37,200,106,.06));
  border-radius:20px;
  padding:22px;
  min-height:240px;
}
.library-dropzone.is-dragover{
  border-color:rgba(37,200,106,.46);
  box-shadow:0 0 0 4px rgba(37,200,106,.10);
}
.library-dropzone input[type="file"]{
  position:absolute;inset:0;opacity:0;cursor:pointer
}
.library-dropzone h3{margin:0 0 8px}
.library-dropzone p{margin:0;color:var(--text-soft);line-height:1.6}
.library-meta-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.library-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.library-stat{
  padding:14px;border-radius:16px;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.06)
}
.library-stat strong{display:block;font-size:1.42rem;margin-top:6px}
.library-actions{display:flex;gap:10px;flex-wrap:wrap}
.library-filters{display:grid;grid-template-columns:1fr 220px 220px;gap:12px}
.doc-row-name{display:flex;align-items:flex-start;gap:12px}
.doc-icon{
  width:40px;height:40px;border-radius:14px;display:grid;place-items:center;
  background:rgba(72,167,255,.12);border:1px solid rgba(72,167,255,.18);color:#a9d0ff;flex:0 0 auto
}
.doc-title{font-weight:700}
.doc-meta{color:var(--text-soft);font-size:.82rem;margin-top:4px;line-height:1.45}
.doc-actions{display:flex;gap:8px;flex-wrap:wrap}
.progress-track{
  height:8px;background:rgba(255,255,255,.06);border-radius:999px;overflow:hidden
}
.progress-fill{
  height:100%;background:linear-gradient(90deg,var(--accent),var(--accent-2));border-radius:999px;width:0%
}
.upload-queue{display:flex;flex-direction:column;gap:10px}
.upload-item{
  padding:12px 14px;border-radius:16px;background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.06)
}
.document-empty{
  padding:28px;border:1px dashed rgba(255,255,255,.10);border-radius:18px;color:var(--text-soft);text-align:center
}
.modal-backdrop{
  position:fixed;inset:0;background:rgba(2,8,23,.62);display:none;align-items:center;justify-content:center;
  z-index:140;padding:24px
}
.modal-backdrop.show{display:flex}
.modal{
  width:min(920px,100%);
  max-height:90vh;
  overflow:auto;
  background:linear-gradient(180deg,rgba(16,28,49,.98),rgba(20,39,66,.99));
  border:1px solid var(--line);
  border-radius:24px;
  box-shadow:var(--shadow);
}
.modal-head,.modal-foot{padding:18px 22px;border-bottom:1px solid rgba(255,255,255,.06)}
.modal-foot{border-bottom:none;border-top:1px solid rgba(255,255,255,.06);display:flex;justify-content:flex-end;gap:10px}
.modal-body{padding:22px}
.version-chip{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:999px;background:rgba(255,255,255,.05);font-size:.74rem}
.doc-preview{
  border:1px solid rgba(255,255,255,.06);border-radius:18px;padding:16px;background:#0a1527;
  max-height:320px;overflow:auto;white-space:pre-wrap;line-height:1.7
}

@media (max-width: 1360px){
  .stat-strip{grid-template-columns:repeat(2,minmax(0,1fr))}
  .split,.library-shell{grid-template-columns:1fr}
  .chart-box,.mini-chart{height:260px !important;max-height:260px}
  .hero-card{align-items:flex-start;flex-direction:column}
}
@media (max-width: 1200px){
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .manual-layout{grid-template-columns:1fr}
  .manual-index{position:relative;top:auto}
}
@media (max-width: 980px){
  .sidebar{transform:translateX(-100%);transition:.2s ease}
  .sidebar.open{transform:translateX(0)}
  .sidebar-overlay.visible{display:block;position:fixed;inset:0;background:rgba(2,8,23,.55);z-index:30}
  .main-shell{margin-left:0}
  .mobile-only{display:inline-flex}
  .auth-layout{grid-template-columns:1fr}
  .topbar-inner,.page-shell{padding-left:18px;padding-right:18px}
}
@media (max-width: 760px){
  .grid-4,.grid-3,.grid-2,.card-grid-2,.card-grid-3,.stat-strip,.library-stats,.library-meta-grid,.library-filters{grid-template-columns:1fr}
  .topbar-inner{align-items:flex-start;flex-direction:column}
  .topbar-actions{width:100%;justify-content:stretch}
  .topbar-actions .btn{flex:1}
  .page-title{font-size:1.32rem}
  .page-subtitle{font-size:.88rem}
  .hero-card{gap:16px}
  .kv-list{grid-template-columns:1fr}
  table{min-width:720px}
  .auth-panel,.auth-card{padding:28px}
  .auth-panel h1{font-size:2rem}
}