/* =====================================================================
   Datalyst — premium UI system
   A calm, modern analytics aesthetic: ink sidebar, airy canvas,
   violet accent, soft depth. Single stylesheet, no build step.
   ===================================================================== */

:root{
  --violet-50:#f5f3ff; --violet-100:#ede9fe; --violet-200:#ddd6fe;
  --violet-300:#c4b5fd; --violet-400:#a78bfa; --violet-500:#8b5cf6;
  --violet-600:#7c3aed; --violet-700:#6d28d9; --violet-800:#5b21b6;
  --accent:#6d28d9; --accent-hover:#5b21b6; --accent-soft:#ede9fe;

  --ink-900:#0b0b14; --ink-800:#15151f; --ink-700:#1d1d2b; --ink-600:#2a2a3c;
  --slate-50:#f8fafc; --slate-100:#f1f5f9; --slate-200:#e2e8f0;
  --slate-300:#cbd5e1; --slate-400:#94a3b8; --slate-500:#64748b;
  --slate-600:#475569; --slate-700:#334155; --slate-800:#1e293b; --slate-900:#0f172a;

  --ok:#059669; --ok-soft:#d1fae5; --warn:#d97706; --warn-soft:#fef3c7;
  --err:#dc2626; --err-soft:#fee2e2; --info:#2563eb;

  --bg:#f6f7fb; --panel:#ffffff; --line:#e8eaf1; --text:#1a1a25; --muted:#6b7280;
  --radius:14px; --radius-sm:10px; --radius-lg:20px;
  --shadow-sm:0 1px 2px rgba(16,16,40,.05),0 1px 3px rgba(16,16,40,.06);
  --shadow:0 4px 12px rgba(16,16,40,.06),0 2px 4px rgba(16,16,40,.04);
  --shadow-lg:0 24px 48px -12px rgba(16,16,40,.18);
  --font:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  --mono:'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}

*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{
  font-family:var(--font); background:var(--bg); color:var(--text);
  font-size:14.5px; line-height:1.55; -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{line-height:1.2;letter-spacing:-.02em;font-weight:650}
h1{font-size:1.6rem} h2{font-size:1.25rem} h3{font-size:1.05rem}
small{color:var(--muted)}
::selection{background:var(--violet-200)}

/* ---- App shell ---------------------------------------------------- */
.shell{display:flex;min-height:100vh}
.sidebar{
  width:248px;flex-shrink:0;background:var(--ink-900);color:#c7c9d9;
  display:flex;flex-direction:column;position:sticky;top:0;height:100vh;
  padding:18px 14px;
}
.brand{display:flex;align-items:center;gap:10px;padding:6px 8px 18px;color:#fff;text-decoration:none}
.brand .logo{
  width:34px;height:34px;border-radius:9px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--violet-500),var(--violet-700));
  box-shadow:0 6px 16px rgba(109,40,217,.45);font-weight:800;color:#fff;font-size:17px;
}
.brand b{font-size:1.05rem;letter-spacing:-.02em;font-weight:700}
.nav{display:flex;flex-direction:column;gap:2px;margin-top:6px;overflow-y:auto}
.nav .label{font-size:.7rem;text-transform:uppercase;letter-spacing:.09em;color:#5b5d75;padding:14px 10px 6px}
.nav a{
  display:flex;align-items:center;gap:11px;padding:9px 11px;border-radius:10px;
  color:#aeb0c6;font-weight:500;transition:.13s;white-space:nowrap;
}
.nav a svg{width:18px;height:18px;opacity:.85;flex-shrink:0}
.nav a:hover{background:var(--ink-700);color:#fff}
.nav a.active{background:var(--accent);color:#fff;box-shadow:0 6px 16px rgba(109,40,217,.35)}
.nav a.active svg{opacity:1}
.sidebar .foot{margin-top:auto;padding-top:12px;border-top:1px solid #23233340}
.userchip{display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:10px}
.userchip .av{width:32px;height:32px;border-radius:50%;background:linear-gradient(135deg,var(--violet-400),var(--violet-700));display:grid;place-items:center;color:#fff;font-weight:700;font-size:13px}
.userchip .who{overflow:hidden}
.userchip .who b{display:block;color:#fff;font-size:.82rem;font-weight:600;text-overflow:ellipsis;overflow:hidden;white-space:nowrap}
.userchip .who span{font-size:.72rem;color:#7b7d96}

.main{flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{
  height:62px;display:flex;align-items:center;justify-content:space-between;
  padding:0 30px;background:rgba(255,255,255,.8);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;
}
.topbar h1{font-size:1.15rem}
.content{padding:30px;max-width:1280px;width:100%;margin:0 auto;flex:1}

/* ---- Banners ------------------------------------------------------ */
.impersonating{
  background:linear-gradient(90deg,var(--warn-soft),#fff7e6);color:#92400e;
  border-bottom:1px solid #fcd9a3;padding:9px 30px;font-size:.85rem;font-weight:600;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
}
.flash{padding:12px 16px;border-radius:var(--radius-sm);margin-bottom:18px;font-weight:550;font-size:.9rem;display:flex;gap:9px;align-items:center}
.flash.success{background:var(--ok-soft);color:#065f46}
.flash.error{background:var(--err-soft);color:#991b1b}

/* ---- Cards / panels ---------------------------------------------- */
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm)}
.card.pad{padding:22px}
.grid{display:grid;gap:18px}
.grid.cols-2{grid-template-columns:repeat(2,1fr)}
.grid.cols-3{grid-template-columns:repeat(3,1fr)}
.grid.cols-4{grid-template-columns:repeat(4,1fr)}
@media(max-width:1000px){.grid.cols-3,.grid.cols-4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:680px){.grid.cols-2,.grid.cols-3,.grid.cols-4{grid-template-columns:1fr}}

.stat{padding:20px 22px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);position:relative;overflow:hidden}
.stat .k{font-size:.78rem;color:var(--muted);font-weight:600;text-transform:uppercase;letter-spacing:.05em}
.stat .v{font-size:2rem;font-weight:720;margin-top:6px;letter-spacing:-.03em}
.stat .ic{position:absolute;right:16px;top:16px;width:40px;height:40px;border-radius:11px;background:var(--accent-soft);color:var(--accent);display:grid;place-items:center}
.stat .ic svg{width:21px;height:21px}

/* ---- Page header -------------------------------------------------- */
.page-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:24px}
.page-head .sub{color:var(--muted);margin-top:4px;font-size:.92rem}

/* ---- Buttons ------------------------------------------------------ */
.btn{
  display:inline-flex;align-items:center;gap:8px;padding:9px 16px;border-radius:10px;
  font-weight:600;font-size:.88rem;cursor:pointer;border:1px solid transparent;
  transition:.14s;background:var(--accent);color:#fff;white-space:nowrap;
}
.btn svg{width:16px;height:16px}
.btn:hover{background:var(--accent-hover);transform:translateY(-1px);box-shadow:0 8px 18px rgba(109,40,217,.28)}
.btn.ghost{background:#fff;color:var(--text);border-color:var(--line)}
.btn.ghost:hover{background:var(--slate-50);box-shadow:var(--shadow-sm);border-color:var(--slate-300)}
.btn.subtle{background:var(--accent-soft);color:var(--accent)}
.btn.subtle:hover{background:var(--violet-200);box-shadow:none}
.btn.danger{background:#fff;color:var(--err);border-color:var(--err-soft)}
.btn.danger:hover{background:var(--err-soft)}
.btn.sm{padding:6px 11px;font-size:.8rem}
.btn.block{width:100%;justify-content:center}
.btn:disabled{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none}

/* ---- Forms -------------------------------------------------------- */
label{display:block;font-weight:600;font-size:.83rem;margin-bottom:6px;color:var(--slate-700)}
.field{margin-bottom:16px}
input,select,textarea{
  width:100%;padding:10px 13px;border:1px solid var(--slate-300);border-radius:10px;
  font-family:inherit;font-size:.92rem;background:#fff;color:var(--text);transition:.14s;
}
textarea{resize:vertical;min-height:90px}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--violet-400);box-shadow:0 0 0 3px var(--violet-100)}
.hint{font-size:.78rem;color:var(--muted);margin-top:5px}
.row{display:flex;gap:14px}.row>*{flex:1}

/* ---- Tables ------------------------------------------------------- */
.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:var(--radius);background:#fff}
table{width:100%;border-collapse:collapse;font-size:.88rem}
th{text-align:left;padding:11px 16px;background:var(--slate-50);color:var(--slate-600);font-weight:650;font-size:.76rem;text-transform:uppercase;letter-spacing:.04em;border-bottom:1px solid var(--line);position:sticky;top:0}
td{padding:11px 16px;border-bottom:1px solid var(--slate-100);vertical-align:middle}
tr:last-child td{border-bottom:none}
tbody tr:hover{background:var(--violet-50)}

/* ---- Badges ------------------------------------------------------- */
.badge{display:inline-flex;align-items:center;gap:5px;padding:3px 10px;border-radius:999px;font-size:.74rem;font-weight:650;letter-spacing:.01em}
.badge.green{background:var(--ok-soft);color:#065f46}
.badge.amber{background:var(--warn-soft);color:#92400e}
.badge.red{background:var(--err-soft);color:#991b1b}
.badge.gray{background:var(--slate-100);color:var(--slate-600)}
.badge.violet{background:var(--accent-soft);color:var(--accent)}
.badge .dot{width:6px;height:6px;border-radius:50%;background:currentColor}

/* ---- Empty state -------------------------------------------------- */
.empty{text-align:center;padding:60px 24px;color:var(--muted)}
.empty .ic{width:58px;height:58px;border-radius:16px;background:var(--accent-soft);color:var(--accent);display:grid;place-items:center;margin:0 auto 16px}
.empty .ic svg{width:28px;height:28px}
.empty h3{color:var(--text);margin-bottom:6px}

/* ---- Connector catalog ------------------------------------------- */
.connectors{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:14px}
.connector{
  display:flex;flex-direction:column;gap:10px;padding:18px;border:1px solid var(--line);
  border-radius:var(--radius);background:#fff;cursor:pointer;transition:.15s;box-shadow:var(--shadow-sm);
}
.connector:hover{border-color:var(--violet-300);box-shadow:var(--shadow);transform:translateY(-2px)}
.connector .ico{width:42px;height:42px;border-radius:11px;display:grid;place-items:center;font-weight:800;color:#fff;font-size:18px}
.connector b{font-size:.95rem}
.connector .meta{font-size:.76rem;color:var(--muted)}

/* ---- Auth screen -------------------------------------------------- */
.auth-wrap{min-height:100vh;display:grid;grid-template-columns:1.05fr .95fr}
@media(max-width:880px){.auth-wrap{grid-template-columns:1fr}.auth-art{display:none}}
.auth-art{
  background:radial-gradient(120% 120% at 0% 0%,var(--violet-600),var(--ink-900) 70%);
  color:#fff;padding:56px;display:flex;flex-direction:column;justify-content:space-between;position:relative;overflow:hidden;
}
.auth-art::after{content:"";position:absolute;inset:0;background:
  radial-gradient(40% 40% at 80% 20%,rgba(167,139,250,.35),transparent),
  radial-gradient(30% 30% at 20% 90%,rgba(124,58,237,.4),transparent);pointer-events:none}
.auth-art .brand b{font-size:1.2rem}
.auth-art h2{font-size:2.1rem;font-weight:720;line-height:1.15;margin-bottom:14px;position:relative}
.auth-art p{color:#cfc9ee;max-width:420px;position:relative}
.auth-art .feats{display:flex;flex-direction:column;gap:13px;margin-top:28px;position:relative}
.auth-art .feat{display:flex;gap:11px;align-items:center;font-size:.92rem;color:#e7e2ff}
.auth-art .feat .c{width:26px;height:26px;border-radius:8px;background:rgba(255,255,255,.13);display:grid;place-items:center}
.auth-card{display:flex;align-items:center;justify-content:center;padding:40px}
.auth-card .inner{width:100%;max-width:380px}
.auth-card h1{margin-bottom:6px}
.auth-card .sub{color:var(--muted);margin-bottom:28px}
.auth-switch{margin-top:22px;text-align:center;font-size:.85rem;color:var(--muted)}
.auth-switch a{color:var(--accent);font-weight:600}

/* ---- Chat --------------------------------------------------------- */
.chat-layout{display:grid;grid-template-columns:240px 1fr;gap:18px;height:calc(100vh - 124px)}
@media(max-width:820px){.chat-layout{grid-template-columns:1fr}.chat-side{display:none}}
.chat-side{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:14px;overflow-y:auto;box-shadow:var(--shadow-sm)}
.chat-side .conv{padding:9px 11px;border-radius:9px;cursor:pointer;font-size:.85rem;color:var(--slate-600);transition:.12s;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.chat-side .conv:hover,.chat-side .conv.active{background:var(--accent-soft);color:var(--accent);font-weight:600}
.chat-main{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm)}
.chat-head{padding:13px 18px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:12px}
.chat-head select{max-width:260px;padding:7px 11px;font-size:.84rem}
.chat-scroll{flex:1;overflow-y:auto;padding:24px;display:flex;flex-direction:column;gap:18px}
.msg{display:flex;gap:12px;max-width:86%}
.msg .av{width:30px;height:30px;border-radius:9px;flex-shrink:0;display:grid;place-items:center;font-weight:700;font-size:13px;color:#fff}
.msg.user{align-self:flex-end;flex-direction:row-reverse}
.msg.user .av{background:var(--slate-700)}
.msg.assistant .av{background:linear-gradient(135deg,var(--violet-500),var(--violet-700))}
.msg .bubble{padding:12px 16px;border-radius:14px;font-size:.92rem;line-height:1.6}
.msg.user .bubble{background:var(--accent);color:#fff;border-bottom-right-radius:4px}
.msg.assistant .bubble{background:var(--slate-50);border:1px solid var(--line);border-bottom-left-radius:4px}
.msg .bubble pre{background:var(--ink-900);color:#e7e2ff;padding:12px;border-radius:9px;overflow:auto;font-family:var(--mono);font-size:.82rem;margin:8px 0}
.msg .bubble code{font-family:var(--mono);font-size:.85em;background:rgba(109,40,217,.1);padding:1px 5px;border-radius:5px}
.msg .bubble pre code{background:none;padding:0}
.msg .attach{margin-top:12px;border:1px solid var(--line);border-radius:10px;overflow:hidden;background:#fff}
.msg .attach .cap{padding:7px 12px;background:var(--slate-50);font-size:.76rem;color:var(--muted);font-weight:600}
.chat-compose{border-top:1px solid var(--line);padding:14px 18px;display:flex;gap:10px;align-items:flex-end;background:#fff}
.chat-compose textarea{min-height:46px;max-height:160px;resize:none;border-radius:12px}
.typing{display:inline-flex;gap:4px;padding:4px 0}
.typing span{width:7px;height:7px;border-radius:50%;background:var(--violet-400);animation:blink 1.2s infinite both}
.typing span:nth-child(2){animation-delay:.2s}.typing span:nth-child(3){animation-delay:.4s}
@keyframes blink{0%,80%,100%{opacity:.25}40%{opacity:1}}

/* ---- Library accordion ------------------------------------------- */
.section-block{margin-bottom:18px}
.section-block .sh{display:flex;align-items:center;gap:10px;margin-bottom:10px}
.section-block .sh b{font-size:.95rem}
.kv{display:flex;flex-direction:column;gap:10px}
.formula{border:1px solid var(--line);border-radius:var(--radius-sm);padding:14px 16px;background:#fff}
.formula .top{display:flex;align-items:center;justify-content:space-between;gap:10px}
.formula pre{margin-top:8px;background:var(--slate-50);border:1px solid var(--line);padding:10px 12px;border-radius:8px;font-family:var(--mono);font-size:.82rem;overflow:auto;white-space:pre-wrap}

/* ---- Modal -------------------------------------------------------- */
.modal-bg{position:fixed;inset:0;background:rgba(11,11,20,.5);backdrop-filter:blur(3px);display:none;align-items:center;justify-content:center;z-index:50;padding:20px}
.modal-bg.open{display:flex}
.modal{background:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);width:100%;max-width:520px;max-height:90vh;overflow:auto}
.modal .mh{padding:20px 24px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center}
.modal .mb{padding:24px}
.modal .mf{padding:16px 24px;border-top:1px solid var(--line);display:flex;justify-content:flex-end;gap:10px}
.x{cursor:pointer;color:var(--muted);width:30px;height:30px;border-radius:8px;display:grid;place-items:center}
.x:hover{background:var(--slate-100)}

.divider{height:1px;background:var(--line);margin:22px 0}
.tabs{display:flex;gap:6px;background:var(--slate-100);padding:4px;border-radius:11px;width:fit-content;margin-bottom:20px}
.tabs a{padding:7px 15px;border-radius:8px;font-weight:600;font-size:.85rem;color:var(--slate-600)}
.tabs a.active{background:#fff;color:var(--accent);box-shadow:var(--shadow-sm)}
.mono{font-family:var(--mono)}
.muted{color:var(--muted)}
.right{text-align:right}.center{text-align:center}
.flex{display:flex;align-items:center;gap:10px}
.between{justify-content:space-between}
.mt{margin-top:16px}.mb{margin-bottom:16px}
.spinner{width:18px;height:18px;border:2px solid var(--violet-200);border-top-color:var(--accent);border-radius:50%;animation:spin .7s linear infinite;display:inline-block}
@keyframes spin{to{transform:rotate(360deg)}}

/* Agent-created artifact links in chat */
.attach.created .created-list{display:flex;flex-direction:column;gap:8px;padding:10px 12px}
.created-item{display:flex;align-items:center;gap:10px;padding:9px 11px;border:1px solid var(--line,#e7e8ef);
  border-radius:10px;text-decoration:none;color:inherit;background:#fff;transition:border-color .15s,box-shadow .15s}
.created-item:hover{border-color:var(--vio,#6d28d9);box-shadow:0 0 0 3px rgba(109,40,217,.10)}
.created-item .ci-ic{width:30px;height:30px;flex:none;display:grid;place-items:center;border-radius:8px;
  background:#ede9fe;color:#6d28d9;font-size:15px}
.created-item .ci-body{display:flex;flex-direction:column;line-height:1.2}
.created-item .ci-body small{color:var(--mut,#64748b);font-size:11px;text-transform:capitalize}

/* ============================================================
   Claude-style chat workspace: conversation + artifact canvas
   ============================================================ */
.ws{display:flex;gap:0;height:calc(100vh - 132px);min-height:520px;border:1px solid var(--line,#e7e8ef);
  border-radius:16px;overflow:hidden;background:#fff}
.conv-pane{display:flex;flex-direction:column;flex:1 1 auto;min-width:0}
.canvas-pane{display:none;flex:0 0 52%;max-width:52%;border-left:1px solid var(--line,#e7e8ef);
  background:#fbfbfd;flex-direction:column;min-width:0}
.ws.has-canvas .canvas-pane{display:flex}
.ws.has-canvas .conv-pane{flex:1 1 48%}

.conv-head{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:12px 16px;
  border-bottom:1px solid var(--line,#e7e8ef)}
.conv-head .ch-left{display:flex;align-items:center;gap:10px;min-width:0}
.conv-head select{padding:7px 10px;border:1px solid var(--line,#e7e8ef);border-radius:9px;font-size:.85rem;background:#fff;max-width:240px}
.iconbtn{display:grid;place-items:center;width:34px;height:34px;border:1px solid var(--line,#e7e8ef);
  border-radius:9px;background:#fff;cursor:pointer;color:#475569}
.iconbtn:hover{background:#f6f7fb}
.iconbtn svg{width:17px;height:17px}

.dropdown{position:relative}
.dropmenu{position:absolute;top:42px;left:0;z-index:30;min-width:260px;max-height:60vh;overflow:auto;
  background:#fff;border:1px solid var(--line,#e7e8ef);border-radius:12px;box-shadow:0 12px 32px rgba(16,24,40,.14);
  padding:6px;display:none}
.dropmenu.open{display:block}
.dm-head{font-size:.7rem;text-transform:uppercase;letter-spacing:.08em;color:#94a3b8;padding:8px 10px 4px}
.dm-item{display:block;padding:9px 10px;border-radius:8px;font-size:.86rem;color:#334155;text-decoration:none;cursor:pointer;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.dm-item:hover{background:#f4f3fb}
.dm-empty{padding:10px;color:#94a3b8;font-size:.82rem}

/* messages */
.chat-scroll{flex:1 1 auto;overflow-y:auto;padding:22px 18px;display:flex;flex-direction:column;gap:16px}
.msg{display:flex;gap:12px;max-width:760px}
.msg.user{align-self:flex-end;flex-direction:row-reverse}
.msg .av{flex:none;width:30px;height:30px;border-radius:9px;display:grid;place-items:center;font-size:.72rem;
  font-weight:700;color:#fff;background:linear-gradient(135deg,#6d28d9,#7c3aed)}
.msg.user .av{background:#334155}
.msg .bubble{background:#f6f7fb;border:1px solid var(--line,#e7e8ef);border-radius:14px;padding:12px 15px;
  font-size:.92rem;line-height:1.6;color:#1e293b}
.msg.user .bubble{background:#6d28d9;color:#fff;border-color:#6d28d9}
.msg .bubble p{margin:0 0 8px}.msg .bubble p:last-child{margin:0}
.msg .bubble h2,.msg .bubble h3,.msg .bubble h4{margin:10px 0 6px}
.msg .bubble pre{background:#0f172a;color:#e2e8f0;padding:11px 13px;border-radius:9px;overflow:auto;font-size:.82rem}
.msg .bubble code{font-family:'JetBrains Mono',monospace;font-size:.85em}
.msg .bubble ul,.msg .bubble ol{margin:6px 0 6px 18px}

.typing{display:inline-flex;gap:4px;padding:3px 0}
.typing span{width:7px;height:7px;border-radius:50%;background:#a5b4cb;animation:tp 1s infinite}
.typing span:nth-child(2){animation-delay:.15s}.typing span:nth-child(3){animation-delay:.3s}
@keyframes tp{0%,60%,100%{opacity:.3;transform:translateY(0)}30%{opacity:1;transform:translateY(-3px)}}

/* artifact chips under a bubble */
.art-chips{display:flex;flex-wrap:wrap;gap:7px;margin-top:10px}
.art-chip{display:inline-flex;align-items:center;gap:7px;padding:6px 11px;border:1px solid var(--line,#e7e8ef);
  border-radius:9px;background:#fff;cursor:pointer;font-size:.82rem;color:#334155}
.art-chip:hover{border-color:#6d28d9;box-shadow:0 0 0 3px rgba(109,40,217,.10)}
.art-chip .ac-ic svg{width:15px;height:15px;color:#6d28d9}
.art-chip .ac-ic{display:grid;place-items:center}

/* composer */
.chat-compose{display:flex;gap:10px;padding:14px 16px;border-top:1px solid var(--line,#e7e8ef);align-items:flex-end}
/* Centered welcome (Claude/ChatGPT-style empty state) */
.chat-welcome{display:none;text-align:center;padding:0 24px}
.chat-welcome h1{margin:0 0 8px;font-size:1.9rem;font-weight:650;letter-spacing:-.02em;color:#1a1a2e}
.chat-welcome p{margin:0 auto;max-width:520px;color:#6b6d83;font-size:.95rem;line-height:1.5}
.conv-pane.welcome .chat-scroll{display:none}
.conv-pane.welcome .chat-welcome{display:block;margin-top:auto}
.conv-pane.welcome .chat-compose{border-top:none;margin:22px auto auto;margin-bottom:auto;max-width:720px;width:100%}
.chat-compose textarea{flex:1;resize:none;max-height:160px;padding:11px 13px;border:1px solid var(--line,#e7e8ef);
  border-radius:11px;font-family:inherit;font-size:.92rem;line-height:1.5}
.chat-compose textarea:focus{outline:none;border-color:#6d28d9;box-shadow:0 0 0 3px rgba(109,40,217,.12)}

/* canvas */
.canvas-head{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:9px 12px;
  border-bottom:1px solid var(--line,#e7e8ef);background:#fff}
.canvas-tabs{display:flex;gap:6px;overflow-x:auto;flex:1;min-width:0}
.canvas-tab{display:inline-flex;align-items:center;gap:6px;padding:6px 11px;border:1px solid var(--line,#e7e8ef);
  border-radius:8px;background:#fff;cursor:pointer;font-size:.8rem;color:#64748b;white-space:nowrap}
.canvas-tab.active{background:#ede9fe;border-color:#c4b5fd;color:#6d28d9;font-weight:600}
.canvas-tab .ct-ic svg{width:14px;height:14px}
.canvas-tab .ct-ic{display:grid;place-items:center}
.canvas-body{flex:1;overflow:auto;padding:20px}

.kpi-wrap{display:grid;place-items:center;min-height:220px}
.chart-holder{position:relative;height:340px;padding:6px}
.link-art{display:flex;align-items:center;gap:12px;padding:14px;border:1px solid var(--line,#e7e8ef);border-radius:12px;background:#fff}
.link-art .la-ic{width:38px;height:38px;flex:none;display:grid;place-items:center;border-radius:9px;background:#ede9fe;color:#6d28d9}
.link-art .la-ic svg{width:19px;height:19px}
.link-art .la-body{display:flex;flex-direction:column;line-height:1.25;flex:1}
.link-art .la-body small{color:#94a3b8;font-size:.72rem;text-transform:capitalize}

/* document / report */
.doc{max-width:680px;margin:0 auto;font-size:.94rem;line-height:1.7;color:#1e293b}
.doc h2{font-size:1.45rem;letter-spacing:-.02em;margin:0 0 10px;padding-bottom:8px;border-bottom:1px solid var(--line,#e7e8ef)}
.doc h3{font-size:1.12rem;margin:20px 0 8px}
.doc h4{font-size:.98rem;margin:16px 0 6px;color:#475569}
.doc p{margin:0 0 12px}
.doc ul,.doc ol{margin:8px 0 14px 20px}.doc li{margin:4px 0}
.doc b{color:#0f172a}
.doc code{font-family:'JetBrains Mono',monospace;background:#f1f5f9;padding:1px 6px;border-radius:6px;font-size:.86em}
.doc pre{background:#0f172a;color:#e2e8f0;padding:13px 15px;border-radius:10px;overflow:auto}

/* responsive: canvas overlays on narrow screens */
@media (max-width:900px){
  .ws{height:auto;min-height:0;flex-direction:column}
  .ws.has-canvas .canvas-pane{display:flex;flex:none;max-width:100%;border-left:none;border-top:1px solid var(--line,#e7e8ef)}
  .canvas-body{max-height:60vh}
  .chat-scroll{min-height:46vh}
}

/* Live agent step indicators (streaming) */
.agent-steps{display:flex;flex-direction:column;gap:6px;margin-bottom:10px}
.agent-steps:empty{display:none}
.agent-step{display:flex;align-items:flex-start;gap:9px;padding:8px 11px;border:1px solid #ececf3;border-radius:10px;background:#fafafd;font-size:.82rem}
.agent-step .as-body{min-width:0;flex:1}
.agent-step .as-l{color:#3a3a52;font-weight:550;line-height:1.35}
.agent-step.done .as-l{color:#64748b;font-weight:500}
.agent-step.error{border-color:#f3d0d0;background:#fdf5f5}
.agent-step.error .as-l{color:#b3261e}
.agent-step .as-detail{margin:6px 0 0;padding:7px 9px;background:#0f1021;color:#cdd0ec;border-radius:7px;
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.74rem;line-height:1.45;white-space:pre-wrap;
  word-break:break-word;max-height:140px;overflow:auto}
.agent-step.error .as-detail{background:#fbeaea;color:#8a1c16}
.agent-step .as-ic{width:16px;height:16px;flex:none;margin-top:1px}
.agent-step .as-ic.ok{color:#16a34a}
.agent-step .as-ic.err{color:#dc2626}
.agent-step .as-spin{width:13px;height:13px;flex:none;margin-top:2px;border-radius:50%;
  border:2px solid #d6c9f5;border-top-color:#6d28d9;animation:spin .7s linear infinite}
.live:empty{display:none}
@keyframes spin{to{transform:rotate(360deg)}}

/* ====== Chat: single shared sidebar sections + full-bleed ========== */
.chat-bleed{flex:1;min-height:0;display:flex}
.chat-bleed .ws{flex:1;height:auto;min-height:0;border:0;border-radius:0}

/* chat sections inside the global dark sidebar */
.cnav{display:flex;flex-direction:column;min-height:0;flex:1 1 auto;margin-top:8px;padding-top:8px;border-top:1px solid #23233340}
.cnav-top{display:flex;flex-direction:column;margin:4px 0 10px;padding-bottom:10px;border-bottom:1px solid #23233340}
.cnav-new{display:flex;align-items:center;gap:9px;margin:0 2px 8px;padding:9px 11px;border:1px solid #2c2c47;background:#181830;color:#e7e8f4;border-radius:10px;font-weight:600;font-size:.9rem;cursor:pointer;transition:.13s}
.cnav-new:hover{background:#20203a;border-color:var(--accent)}
.cnav-new svg{width:16px;height:16px}
.cnav-sec{display:flex;flex-direction:column;min-height:0}
.cnav-sec.grow{flex:1 1 auto;min-height:0}
.cnav-h{display:flex;align-items:center;justify-content:space-between;padding:8px 10px 4px;font-size:.7rem;font-weight:700;letter-spacing:.09em;text-transform:uppercase;color:#5b5d75}
.cnav-add{width:22px;height:22px;display:grid;place-items:center;border:none;background:transparent;border-radius:6px;cursor:pointer;color:#7b7d96}
.cnav-add:hover{background:var(--ink-700);color:#fff}
.cnav-add svg{width:14px;height:14px}
.cnav-list{display:flex;flex-direction:column;gap:1px;overflow-y:auto}
.cnav-list.scroll{flex:1 1 auto;min-height:0}
.cnav-empty{padding:7px 10px;font-size:.78rem;color:#5b5d75}
/* shared item style (also created dynamically by chat JS) */
.cnav .sb-item{display:flex;align-items:center;gap:9px;padding:7px 10px;border:none;background:transparent;border-radius:8px;cursor:pointer;font-size:.85rem;color:#aeb0c6;text-align:left;width:100%}
.cnav .sb-item:hover{background:var(--ink-700);color:#fff}
.cnav .sb-item.active{background:var(--accent);color:#fff}
.cnav .sb-ic{flex:none;width:16px;height:16px;color:#7b7d96}
.cnav .sb-item.active .sb-ic{color:#fff}
.cnav .sb-ic svg{width:16px;height:16px}
.cnav .sb-t{flex:1 1 auto;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.cnav .sb-del{flex:none;width:20px;height:20px;display:none;place-items:center;border-radius:5px;color:#7b7d96}
.cnav .sb-item.conv:hover .sb-del{display:grid}
.cnav .sb-del:hover{background:#7f1d1d;color:#fff}
.cnav .sb-del svg{width:13px;height:13px}
/* project chip in the conversation header */
.proj-chip{display:inline-flex;align-items:center;gap:5px;padding:3px 9px;border-radius:999px;background:#efeafb;color:#6d28d9;font-size:.78rem;font-weight:600}
.proj-chip svg{width:13px;height:13px}
.flash.floating{position:fixed;top:14px;left:50%;transform:translateX(-50%);z-index:60}
.cnav-search{display:flex;align-items:center;gap:7px;margin:0 2px 8px;padding:7px 10px;background:#181830;border:1px solid #2c2c47;border-radius:9px}
.cnav-search svg{width:15px;height:15px;color:#7b7d96;flex:none}
.cnav-search input{flex:1;min-width:0;background:transparent;border:none;outline:none;color:#e7e8f4;font-size:.85rem}
.cnav-search input::placeholder{color:#5b5d75}