:root{
  --ink:#10202B;
  --navy:#0B3556;
  --navy-deep:#082438;
  --teal:#0E5A6B;
  --amber:#E08A2E;
  --amber-deep:#B96C1A;
  --good:#1F7A4D;
  --bad:#C1443A;
  --paper:#F3F5F6;
  --panel:#FFFFFF;
  --line:#DCE2E5;
  --line-soft:#EAEEF0;
  --muted:#5C6B73;
}
*{box-sizing:border-box;}
html,body{height:100%;margin:0;}
body{
  background:var(--paper);
  color:var(--ink);
  font-family:'IBM Plex Sans',sans-serif;
  font-size:14px;
  -webkit-font-smoothing:antialiased;
}
::-webkit-scrollbar{width:9px;height:9px;}
::-webkit-scrollbar-thumb{background:#C7D0D4;border-radius:5px;}
::-webkit-scrollbar-track{background:transparent;}

/* ---------- Login page ---------- */
.login-wrap{
  min-height:100vh;
  display:flex;
  align-items:center;
  justify-content:center;
  background:radial-gradient(circle at 20% 20%, #0E4A63 0%, var(--navy-deep) 55%, #061A28 100%);
}
.login-card{
  background:var(--panel);
  width:100%;
  max-width:380px;
  border-radius:12px;
  padding:32px 30px;
  box-shadow:0 20px 50px rgba(0,0,0,.35);
}
.login-card .mark{
  width:44px;height:44px;border-radius:10px;background:var(--amber);
  display:flex;align-items:center;justify-content:center;
  font-family:'Space Grotesk',sans-serif;font-weight:700;color:var(--navy-deep);font-size:18px;
  margin-bottom:16px;
}
.login-card h1{font-family:'Space Grotesk',sans-serif;font-size:19px;margin:0 0 4px 0;}
.login-card p.sub{color:var(--muted);font-size:12.5px;margin:0 0 22px 0;}
.field{margin-bottom:14px;}
.field label{display:block;font-size:12px;font-weight:600;color:var(--muted);margin-bottom:5px;text-transform:uppercase;letter-spacing:.3px;}
.field input{
  width:100%;
  border:1px solid var(--line);
  border-radius:7px;
  padding:10px 12px;
  font-size:14px;
  font-family:inherit;
}
.field input:focus{outline:none;border-color:var(--teal);}
.login-btn{
  width:100%;
  background:var(--navy);
  color:#fff;
  border:none;
  border-radius:8px;
  padding:11px;
  font-weight:600;
  font-size:14px;
  cursor:pointer;
  font-family:inherit;
  margin-top:6px;
}
.login-btn:hover{background:var(--navy-deep);}
.login-error{
  background:#FDECEA;
  border:1px solid #F3C6C1;
  color:var(--bad);
  padding:8px 11px;
  border-radius:7px;
  font-size:12.5px;
  margin-bottom:14px;
  display:none;
}
.login-hint{margin-top:18px;font-size:11.5px;color:var(--muted);line-height:1.6;border-top:1px solid var(--line-soft);padding-top:14px;}

/* ---------- App shell ---------- */
.app{
  display:flex;
  flex-direction:column;
  height:100vh;
  max-width:1280px;
  margin:0 auto;
  background:var(--paper);
  border-left:1px solid var(--line);
  border-right:1px solid var(--line);
}
.topbar{
  background:linear-gradient(180deg,var(--navy) 0%,var(--navy-deep) 100%);
  color:#fff;
  padding:14px 20px 0 20px;
  flex-shrink:0;
}
.topbar-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding-bottom:12px;
}
.brand{display:flex;align-items:center;gap:10px;}
.brand .mark{
  width:34px;height:34px;border-radius:7px;background:var(--amber);
  display:flex;align-items:center;justify-content:center;
  font-family:'Space Grotesk',sans-serif;font-weight:700;color:var(--navy-deep);font-size:15px;flex-shrink:0;
}
.brand h1{font-family:'Space Grotesk',sans-serif;font-weight:600;font-size:17px;margin:0;letter-spacing:.2px;}
.brand p{margin:1px 0 0 0;font-size:11.5px;color:#B8CBD6;}
.controls{display:flex;align-items:center;gap:8px;flex-wrap:wrap;}
.controls input[type=date]{
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.25);color:#fff;
  border-radius:6px;padding:6px 8px;font-size:12.5px;font-family:inherit;color-scheme:dark;
}
.controls .sep{color:#8FA6B2;font-size:12px;}
.btn{
  border:1px solid rgba(255,255,255,.3);background:rgba(255,255,255,.08);color:#fff;
  border-radius:6px;padding:6px 12px;font-size:12.5px;cursor:pointer;font-family:inherit;font-weight:500;transition:background .15s;
}
.btn:hover{background:rgba(255,255,255,.18);}
.btn-amber{background:var(--amber);border-color:var(--amber);color:var(--navy-deep);font-weight:600;}
.btn-amber:hover{background:var(--amber-deep);border-color:var(--amber-deep);}
.btn-light{background:#fff;border-color:var(--line);color:var(--navy);}
.btn-light:hover{background:#EEF2F3;}
.who{font-size:12px;color:#DCE7EC;}
.who b{color:#fff;}
#fileInput{display:none;}

.tabs{display:flex;gap:2px;overflow-x:auto;}
.tab{
  background:transparent;border:none;color:#B8CBD6;padding:9px 14px;font-size:13px;font-weight:500;
  cursor:pointer;border-bottom:2px solid transparent;white-space:nowrap;font-family:inherit;
}
.tab.active{color:#fff;border-bottom:2px solid var(--amber);}
.tab:hover{color:#fff;}

.body{flex:1;overflow:hidden;display:flex;flex-direction:column;}
.panel{display:none;flex:1;overflow:hidden;flex-direction:column;}
.panel.active{display:flex;}

.kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border-bottom:1px solid var(--line);flex-shrink:0;}
.kpi{background:var(--panel);padding:12px 16px;}
.kpi .lbl{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.4px;}
.kpi .val{font-family:'Space Grotesk',sans-serif;font-size:19px;font-weight:600;margin-top:3px;font-variant-numeric:tabular-nums;}
.kpi .val.pos{color:var(--good);}
.kpi .val.neg{color:var(--bad);}
.kpi .sub{font-size:11px;color:var(--muted);margin-top:2px;}

/* Chat */
#chatPanel{flex-direction:row;}
.chat-side{width:230px;flex-shrink:0;border-right:1px solid var(--line);background:var(--panel);padding:14px 12px;overflow-y:auto;}
.chat-side h3{font-size:11px;text-transform:uppercase;letter-spacing:.5px;color:var(--muted);margin:14px 0 8px 0;}
.chat-side h3:first-child{margin-top:0;}
.chip{
  display:block;width:100%;text-align:left;background:var(--paper);border:1px solid var(--line);border-radius:7px;
  padding:8px 10px;font-size:12.5px;margin-bottom:6px;cursor:pointer;color:var(--ink);font-family:inherit;
}
.chip:hover{border-color:var(--teal);background:#EAF2F3;}
.chat-main{flex:1;display:flex;flex-direction:column;min-width:0;}
.chat-log{flex:1;overflow-y:auto;padding:18px 20px;display:flex;flex-direction:column;gap:14px;}
.msg{max-width:78%;line-height:1.5;}
.msg.user{align-self:flex-end;}
.msg.bot{align-self:flex-start;}
.bubble{padding:10px 13px;border-radius:10px;font-size:13.5px;}
.msg.user .bubble{background:var(--navy);color:#fff;border-bottom-right-radius:2px;}
.msg.bot .bubble{background:var(--panel);border:1px solid var(--line);border-bottom-left-radius:2px;}
.msg.bot .bubble.fallback{border-color:#EAC9A6;background:#FFF7EC;}
.report-table{width:100%;border-collapse:collapse;margin-top:8px;font-size:12.5px;}
.report-table th,.report-table td{padding:6px 8px;border-bottom:1px solid var(--line-soft);text-align:right;}
.report-table th:first-child,.report-table td:first-child{text-align:left;}
.report-table th{color:var(--muted);font-weight:600;font-size:11px;text-transform:uppercase;letter-spacing:.3px;}
.num{font-variant-numeric:tabular-nums;}
.pos{color:var(--good);font-weight:600;}
.neg{color:var(--bad);font-weight:600;}
.goto-link{display:inline-block;margin-top:8px;font-size:12px;color:var(--teal);cursor:pointer;text-decoration:underline;font-weight:500;}
.chat-input-row{border-top:1px solid var(--line);padding:12px 16px;display:flex;gap:8px;background:var(--panel);flex-shrink:0;}
.chat-input-row input{flex:1;border:1px solid var(--line);border-radius:8px;padding:10px 12px;font-size:13.5px;font-family:inherit;}
.chat-input-row input:focus{outline:none;border-color:var(--teal);}
.send-btn{background:var(--navy);color:#fff;border:none;border-radius:8px;padding:0 18px;font-weight:600;cursor:pointer;font-size:13px;font-family:inherit;}
.send-btn:hover{background:var(--navy-deep);}

/* Report tables */
.report-toolbar{display:flex;gap:10px;align-items:center;padding:12px 16px;border-bottom:1px solid var(--line);background:var(--panel);flex-shrink:0;flex-wrap:wrap;}
.report-toolbar input[type=text]{border:1px solid var(--line);border-radius:7px;padding:7px 10px;font-size:13px;font-family:inherit;min-width:220px;flex-shrink:0;}
.report-toolbar select{border:1px solid var(--line);border-radius:7px;padding:7px 10px;font-size:12.5px;font-family:inherit;background:#fff;}
.report-toolbar .count{margin-left:auto;font-size:12px;color:var(--muted);}
.table-wrap{flex:1;overflow:auto;background:var(--panel);}
table.main-table{width:100%;border-collapse:collapse;font-size:13px;}
table.main-table thead th{
  position:sticky;top:0;background:#F7F9F9;border-bottom:1px solid var(--line);padding:9px 12px;text-align:right;
  font-size:11px;text-transform:uppercase;letter-spacing:.3px;color:var(--muted);white-space:nowrap;
}
table.main-table thead th:first-child{text-align:left;}
table.main-table tbody td{padding:8px 12px;border-bottom:1px solid var(--line-soft);text-align:right;white-space:nowrap;}
table.main-table tbody td:first-child{text-align:left;white-space:normal;font-weight:500;}
table.main-table tbody tr:hover{background:#FAFBFB;}
.more-btn{border:1px solid var(--line);background:#fff;border-radius:6px;padding:4px 9px;font-size:11.5px;cursor:pointer;color:var(--teal);font-family:inherit;font-weight:500;}
.more-btn:hover{background:#EAF2F3;}
.detail-row td{background:#FAFBFC;text-align:left;white-space:normal;padding:0;}
.detail-inner{padding:10px 16px 16px 16px;}
.detail-inner table{width:100%;border-collapse:collapse;font-size:12px;margin-top:6px;}
.detail-inner th{text-align:left;color:var(--muted);font-weight:600;font-size:10.5px;text-transform:uppercase;padding:4px 8px;border-bottom:1px solid var(--line);}
.detail-inner td{padding:4px 8px;border-bottom:1px solid var(--line-soft);}
.detail-inner td.r{text-align:right;font-variant-numeric:tabular-nums;}
.load-more-wrap{padding:14px;text-align:center;}

/* Empty state */
.empty{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:40px;color:var(--muted);}
.empty .mark-big{
  width:56px;height:56px;border-radius:12px;background:var(--amber);display:flex;align-items:center;justify-content:center;
  font-family:'Space Grotesk',sans-serif;font-weight:700;color:var(--navy-deep);font-size:24px;margin-bottom:16px;
}
.empty h2{font-family:'Space Grotesk',sans-serif;color:var(--ink);font-size:19px;margin:0 0 6px 0;}
.empty p{max-width:380px;font-size:13px;line-height:1.6;margin:0 0 18px 0;}

/* Admin panel */
.admin-wrap{flex:1;overflow-y:auto;padding:20px;display:flex;flex-direction:column;gap:22px;}
.admin-card{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:18px 20px;}
.admin-card h2{font-family:'Space Grotesk',sans-serif;font-size:15px;margin:0 0 4px 0;}
.admin-card p.desc{color:var(--muted);font-size:12.5px;margin:0 0 16px 0;}
.upload-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap;}
.dataset-meta{font-size:12.5px;color:var(--muted);background:var(--paper);border:1px solid var(--line-soft);border-radius:8px;padding:10px 14px;margin-top:14px;line-height:1.7;}
.dataset-meta b{color:var(--ink);}
.dataset-meta code{background:#fff;border:1px solid var(--line-soft);border-radius:4px;padding:1px 5px;font-size:11.5px;}
.alert{padding:9px 12px;border-radius:7px;font-size:12.5px;margin-top:12px;display:none;}
.alert.error{background:#FDECEA;border:1px solid #F3C6C1;color:var(--bad);}
.alert.success{background:#EAF7EF;border:1px solid #BCE3CB;color:var(--good);}
.source-badge{display:inline-block;padding:2px 8px;border-radius:20px;font-size:11px;font-weight:600;background:#E4EEF0;color:var(--teal);}
.divider-or{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:11px;text-transform:uppercase;letter-spacing:.4px;margin:16px 0;}
.divider-or::before,.divider-or::after{content:'';flex:1;height:1px;background:var(--line-soft);}

@media (max-width:720px){
  .chat-side{display:none;}
  .kpis{grid-template-columns:repeat(2,1fr);}
  .brand p{display:none;}
}