:root{
  --bg:#0f1115; --panel:#171a21; --line:#2a2f3a; --text:#e8eaed; --muted:#9aa0a6;
  --accent:#34a853; --blue:#4285f4; --amber:#fbbc04; --red:#ea4335;
  --sheet:#1e2330; --cell:#222836;
}
*{box-sizing:border-box}
body{margin:0;font-family:'Google Sans',Inter,Roboto,Arial,sans-serif;background:var(--bg);color:var(--text)}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}
.layout{display:flex;min-height:100vh}
.side{width:220px;background:var(--panel);border-right:1px solid var(--line);padding:20px 14px;position:sticky;top:0;height:100vh}
.brand{font-weight:800;font-size:18px;letter-spacing:.3px;margin-bottom:4px}
.brand span{color:var(--accent)}
.side .sub{font-size:12px;color:var(--muted);margin-bottom:22px}
.nav a{display:flex;align-items:center;gap:8px;padding:10px 12px;border-radius:8px;color:var(--muted);font-weight:600;font-size:13px;margin-bottom:4px}
.nav a.active,.nav a:hover{background:rgba(66,133,244,.12);color:var(--text);text-decoration:none}
.side-user{margin-top:20px;padding-top:14px;border-top:1px solid var(--line);font-size:12px}
.side-user-name{font-weight:700;color:var(--text)}
.side-user-role{color:var(--muted);margin-bottom:8px}
.main{flex:1;padding:24px 28px;max-width:1400px}
h1{font-size:24px;margin:0 0 6px}
.lead{color:var(--muted);font-size:14px;margin:0 0 20px}
.filters{display:flex;flex-wrap:wrap;gap:10px;align-items:end;margin-bottom:20px}
.label{font-size:11px;color:var(--muted);display:block;margin-bottom:4px}
.select,.btn{font:inherit}
.select{background:var(--cell);border:1px solid var(--line);color:var(--text);border-radius:8px;padding:8px 12px;min-width:140px}
.btn{display:inline-flex;align-items:center;gap:6px;border:none;border-radius:8px;padding:9px 14px;font-weight:600;font-size:13px;cursor:pointer}
.btn-green{background:var(--accent);color:#fff}
.btn-blue{background:var(--blue);color:#fff}
.btn-ghost{background:transparent;border:1px solid var(--line);color:var(--text)}
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:20px}
.cards-auto{grid-template-columns:repeat(auto-fit,minmax(160px,1fr))}
.widget-list{display:grid;grid-template-columns:1fr 1fr;gap:6px 10px;max-height:220px;overflow:auto;padding:8px;background:#12151c;border:1px solid var(--line);border-radius:8px}
.preset-row{display:flex;flex-wrap:wrap;gap:6px}
.access-card{border:1px solid var(--line);border-radius:12px;padding:14px;margin-bottom:12px;background:#151922}
.access-head{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:10px}
.cards-4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:16px}
.card.accent{border-color:rgba(52,168,83,.45);background:linear-gradient(180deg,rgba(52,168,83,.12),var(--panel))}
.card .k{font-size:12px;color:var(--muted);margin-bottom:6px}
.card .v{font-size:26px;font-weight:800;letter-spacing:.2px}
.card .v.sm{font-size:18px}
.mask-tog{display:inline-flex;align-items:center;gap:6px;font-size:12px;color:var(--muted);user-select:none}
.hint-inline{font-size:12px;color:var(--muted);margin:0 0 10px}
.muted{color:var(--muted);font-size:11px;font-weight:400}
.strong{font-weight:800;color:#81c995}
.stack-form{display:flex;flex-direction:column;gap:8px}
.stack-form .select{width:100%}
.row3{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.grid2{display:grid;grid-template-columns:1.4fr 1fr;gap:14px;margin-bottom:20px}
.panel{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:16px}
.panel h2{font-size:15px;margin:0 0 12px}
.chart-box{position:relative;height:260px}
.chart-box.tall{height:300px}
.chart-error{display:flex;align-items:center;justify-content:center;height:100%;padding:0 16px;text-align:center;font-size:13px;color:#e06c6c}
.grid3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:14px;margin-bottom:20px}
table.sheet tr.is-hot td{background:rgba(52,168,83,.16)}
.hover-card{
  position:fixed;z-index:40;width:280px;pointer-events:none;
  background:#1a1f2b;border:1px solid #3a4254;border-radius:12px;
  padding:12px 14px;box-shadow:0 12px 40px rgba(0,0,0,.45);
  opacity:0;transform:translateY(6px);transition:opacity .12s,transform .12s;
}
.hover-card.is-on{opacity:1;transform:none}
.hc-kicker{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.4px}
.hc-name{font-size:18px;font-weight:800;margin:2px 0 8px}
.hc-extra{font-size:11px;color:#81c995;margin-bottom:8px}
.hc-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.hc-grid span{display:block;font-size:10px;color:var(--muted)}
.hc-grid b{font-size:16px}
.hc-grid i{display:block;font-style:normal;font-size:11px;color:#c5c9d1}
.hc-total{margin-top:10px;font-weight:800;color:#81c995}
.hc-kpi{margin-top:6px;font-size:11px;color:var(--muted);line-height:1.4}
.flow-panel{margin-bottom:20px}
.flow-map{display:flex;gap:18px;align-items:stretch;overflow:auto;padding:6px 2px 8px}
.flow-hub{
  min-width:140px;border:1px dashed var(--line);border-radius:12px;padding:14px;
  display:flex;flex-direction:column;justify-content:center;background:rgba(66,133,244,.08)
}
.flow-hub b{font-size:16px}
.flow-hub span{font-size:11px;color:var(--muted);margin-top:4px}
.flow-lanes{display:flex;gap:14px;flex:1}
.flow-lane{min-width:180px;flex:1}
.flow-group{background:#1f2430;border:1px solid var(--line);border-radius:10px;padding:10px 12px;margin-bottom:10px}
.fg-name{font-weight:700}
.fg-meta{font-size:11px;color:var(--muted);margin-top:3px}
.flow-ops{display:flex;flex-direction:column;gap:6px}
.flow-op{
  text-align:left;cursor:pointer;border:1px solid var(--line);border-radius:10px;
  background:rgba(52,168,83,calc(.08 + var(--w, .5)*.22));color:var(--text);
  padding:8px 10px;width:calc(70% + var(--w, .5)*30%);
}
.flow-op:hover,.flow-op.is-hot{border-color:#34a853;box-shadow:0 0 0 1px rgba(52,168,83,.35)}
.flow-op b{display:block;font-size:13px}
.flow-op span{font-size:11px;color:var(--muted)}
/* Spreadsheet look */
.sheet-wrap{background:var(--sheet);border:1px solid var(--line);border-radius:12px;overflow:auto}
table.sheet{width:100%;border-collapse:collapse;font-size:13px;min-width:900px}
table.sheet th,table.sheet td{border:1px solid var(--line);padding:8px 10px;text-align:left;white-space:nowrap}
table.sheet th{background:#252b3a;color:#c5c9d1;font-weight:600;position:sticky;top:0;z-index:1}
table.sheet tr:nth-child(even) td{background:rgba(255,255,255,.02)}
table.sheet tr:hover td{background:rgba(66,133,244,.08)}
table.sheet .num{text-align:right;font-variant-numeric:tabular-nums;font-family:'Roboto Mono',Consolas,monospace}
table.sheet .rank{color:var(--amber);font-weight:700}
/* Editable grid */
table.sheet thead tr.letters th{top:0;z-index:3;font-size:11px;color:var(--muted);text-align:center;padding:3px 10px;background:#1f2430}
table.sheet thead tr:not(.letters) th{top:23px;z-index:2}
table.sheet th.manual{background:#243040;color:#cfe0ff}
table.sheet td.cell-manual{background:rgba(66,133,244,.06);cursor:text;outline:none;min-width:120px}
table.sheet td.cell-manual:empty::after{content:'';display:inline-block;min-width:60px}
table.sheet td.cell-manual:focus{box-shadow:inset 0 0 0 2px var(--blue)}
table.sheet td.cell-manual.is-editing{padding:0;box-shadow:inset 0 0 0 2px var(--blue)}
.cell-input{width:100%;min-width:120px;background:#11151d;border:none;outline:none;color:var(--text);font:inherit;padding:8px 10px}
.col-btn{background:transparent;border:none;color:var(--muted);cursor:pointer;font-size:11px;padding:0 2px}
.col-btn:hover{color:var(--text)}
.save-state{font-size:12px;color:var(--muted);align-self:center}
.save-state.is-ok{color:#81c995}
.save-state.is-err{color:#f28b82}
.badge{display:inline-block;padding:2px 8px;border-radius:999px;font-size:11px;font-weight:700}
.badge-ok{background:rgba(52,168,83,.2);color:#81c995}
.badge-off{background:rgba(154,160,166,.15);color:#9aa0a6}
.help{font-size:12px;color:var(--muted);line-height:1.5;white-space:pre-wrap;background:#12151c;border-radius:8px;padding:12px;border:1px solid var(--line)}
/* Login / error screens */
.auth-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px}
.auth-card{width:min(360px,100%);background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:26px 24px;display:flex;flex-direction:column;gap:6px}
.auth-card .sub{font-size:12px;color:var(--muted);margin-bottom:14px}
.auth-input{background:var(--cell);border:1px solid var(--line);border-radius:8px;color:var(--text);font:inherit;padding:10px 12px;margin-bottom:10px}
.auth-input:focus{outline:none;border-color:var(--blue)}
.auth-submit{justify-content:center;margin-top:6px}
.auth-error{background:rgba(234,67,53,.12);color:#f28b82;border-radius:8px;padding:9px 12px;font-size:13px;margin-bottom:12px}
.auth-hint{font-size:12px;color:var(--muted);margin-top:10px}
.auth-code{font-size:40px;font-weight:800;margin:10px 0 4px}
body.tv-body .main{max-width:1680px}
.tv-toolbar{display:flex;flex-wrap:wrap;gap:10px 14px;align-items:center;margin-bottom:14px}
.tv-periods,.tv-group{display:flex;flex-wrap:wrap;gap:6px}
.tv-chip{background:#1e222d;border:1px solid #2a2e39;color:#9aa0a6;border-radius:6px;padding:6px 10px;font:inherit;font-size:12px;font-weight:600;cursor:pointer}
.tv-chip.is-on,.tv-chip:hover{background:#2962ff;border-color:#2962ff;color:#fff;text-decoration:none}
.tv-stage{padding:12px 12px 8px;background:#131722;border-color:#1e222d}
.tv-legend{display:flex;justify-content:space-between;gap:12px;align-items:baseline;padding:4px 8px 8px;font-family:'Roboto Mono',Consolas,monospace;font-size:12px}
.tv-ohlc{color:#9aa0a6}
.tv-ohlc .up{color:#26a69a;font-weight:700}
.tv-ohlc .down{color:#ef5350;font-weight:700}
.tv-chart{height:440px;width:100%}
.tv-kpis{margin-bottom:14px}
.heat{display:grid;grid-template-columns:36px repeat(24,minmax(18px,1fr));gap:2px;align-items:center}
.heat-lab,.heat-h{font-size:10px;color:var(--muted);text-align:center}
.heat-c{min-height:18px;border-radius:2px;font-size:9px;color:#cfe;display:flex;align-items:center;justify-content:center}
@media (max-width:1100px){
  .cards,.cards-4,.cards-6{grid-template-columns:1fr 1fr}
  .grid2,.grid3{grid-template-columns:1fr}
  .row3{grid-template-columns:1fr}
  .side{display:none}
  .main{padding:16px}
  .flow-map{flex-direction:column}
}