:root{
  --bg:#0f1422; --panel:#192136; --panel2:#1f2942; --line:#2b3656;
  --text:#e7ecf6; --muted:#8b97b4; --accent:#4f8cff; --accent2:#34d399;
  --bar:#4f8cff; --warn:#f59e0b; --error:#ef4444;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);
  font:15px/1.45 "Segoe UI",system-ui,Arial,sans-serif}
a{color:var(--accent);text-decoration:none}
h1,h2{margin:0 0 .5rem}
h2{font-size:1.05rem;font-weight:600}
.muted{color:var(--muted);font-weight:400;font-size:.85em}

/* top bar */
.topbar{display:flex;justify-content:space-between;align-items:center;
  padding:14px 22px;background:var(--panel);border-bottom:1px solid var(--line)}
.brand{font-size:1.15rem;font-weight:700}
.tag{font-size:.7rem;background:var(--panel2);color:var(--muted);
  padding:3px 8px;border-radius:20px;margin-left:8px;vertical-align:middle}
.topright{display:flex;align-items:center;gap:14px}
.updated{text-align:right;line-height:1.1}
.updated .muted{display:block;font-size:.7rem;text-transform:uppercase;letter-spacing:.5px}
.updated strong{font-size:.9rem}
.btn{background:var(--accent);color:#fff;padding:7px 13px;border-radius:7px;
  font-size:.85rem;border:none;cursor:pointer}
.btn.ghost{background:transparent;border:1px solid var(--line);color:var(--text)}

/* channel toggle */
.channelbar{display:flex;align-items:center;gap:8px}
.channelbar .muted{font-size:.7rem;text-transform:uppercase;letter-spacing:.5px}
.seg{display:inline-flex;background:var(--panel2);border:1px solid var(--line);
  border-radius:8px;padding:3px}
.seg-btn{padding:6px 12px;border-radius:6px;font-size:.82rem;color:var(--muted);font-weight:600}
.seg-btn.active{background:var(--accent);color:#fff}
.seg-btn:hover{color:var(--text)}
.seg-btn.active:hover{color:#fff}
.chip{background:var(--panel2);border:1px solid var(--line);color:var(--text);
  padding:3px 10px;border-radius:20px;font-size:.78rem;font-weight:600}

.mainnav{display:flex;gap:4px;padding:0 22px;background:var(--panel);
  border-bottom:1px solid var(--line)}
.mainnav a{padding:11px 16px;color:var(--muted);font-size:.9rem;
  border-bottom:2px solid transparent}
.mainnav a.active{color:var(--text);border-bottom-color:var(--accent)}
.mainnav a:hover{color:var(--text)}

.content{max-width:1180px;margin:0 auto;padding:22px}
.subbar{color:var(--muted);font-size:.85rem;margin-bottom:16px}

/* cards */
.card{background:var(--panel);border:1px solid var(--line);border-radius:12px;
  padding:18px;margin-bottom:18px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:18px}
@media(max-width:880px){.grid2{grid-template-columns:1fr}}

/* KPIs */
.kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:18px}
@media(max-width:880px){.kpis{grid-template-columns:repeat(2,1fr)}}
.kpi{display:flex;flex-direction:column;gap:4px}
.kpi-label{color:var(--muted);font-size:.8rem;text-transform:uppercase;letter-spacing:.5px}
.kpi-value{font-size:1.9rem;font-weight:700}
.kpi-sub{color:var(--muted);font-size:.8rem}

/* charts */
.chart{width:100%;height:auto}
.bar{fill:var(--bar)}
.bar-label{fill:var(--muted);font-size:12px}
.bar-value{fill:var(--text);font-size:12px;font-weight:600}
.grid{stroke:var(--line)}
.axis{fill:var(--muted);font-size:11px}
.line{fill:none;stroke:var(--accent);stroke-width:2.5}
.area{fill:var(--accent);opacity:.12}
.dot{fill:var(--accent)}

/* tables */
table.grid{width:100%;border-collapse:collapse;font-size:.88rem}
table.grid th{color:var(--muted);font-weight:600;text-align:left;
  padding:8px 10px;border-bottom:1px solid var(--line);position:sticky;top:0;background:var(--panel)}
table.grid td{padding:7px 10px;border-bottom:1px solid var(--panel2)}
table.grid tbody tr:hover{background:var(--panel2)}

/* banners */
.warn{background:rgba(245,158,11,.12);border:1px solid var(--warn);color:#fcd9a0;
  padding:10px 14px;border-radius:9px;margin-bottom:16px;font-size:.9rem}
.error{background:rgba(239,68,68,.12);border:1px solid var(--error);color:#f6b4b4;
  padding:9px 12px;border-radius:8px;margin-bottom:12px;font-size:.9rem}
.err{white-space:pre-wrap;color:#f6b4b4}

/* filter bar */
.filterbar{margin-bottom:12px}
.filterbar select{background:var(--panel2);color:var(--text);border:1px solid var(--line);
  padding:6px 10px;border-radius:7px;margin-left:6px}

/* login */
.login-wrap{min-height:90vh;display:flex;align-items:center;justify-content:center}
.login-card{background:var(--panel);border:1px solid var(--line);border-radius:14px;
  padding:32px;width:340px;display:flex;flex-direction:column;gap:12px}
/* co-branded logo header: each logo fills half the top; white fades into the panel */
.login-logos{display:flex;margin:-32px -32px 4px;border-radius:14px 14px 0 0;
  overflow:hidden;background:#fff;
  -webkit-mask-image:linear-gradient(to bottom,#000 66%,transparent);
  mask-image:linear-gradient(to bottom,#000 66%,transparent)}
.login-logos img{flex:1;min-width:0;height:96px;object-fit:contain;padding:16px 12px 26px}
@media(max-width:380px){.login-logos img{height:76px}}
.slogan{margin:0;font-style:italic;font-weight:600;color:var(--accent);font-size:.95rem}
.login-card label{display:flex;flex-direction:column;gap:5px;font-size:.85rem;color:var(--muted)}
.login-card input{background:var(--panel2);border:1px solid var(--line);color:var(--text);
  padding:10px;border-radius:8px;font-size:.95rem}
.login-card button{background:var(--accent);color:#fff;border:none;padding:11px;
  border-radius:8px;font-size:.95rem;cursor:pointer;margin-top:6px}

/* MoM adjustable day-range */
.daterange{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-bottom:16px}
.daterange .muted{font-size:.72rem;text-transform:uppercase;letter-spacing:.5px}
.rangeform{display:flex;align-items:center;gap:8px}
.rangeform input[type=number]{width:62px;background:var(--panel2);border:1px solid var(--line);
  color:var(--text);padding:6px 8px;border-radius:7px;font-size:.85rem}
.rangeform button{background:var(--accent);color:#fff;border:none;padding:7px 14px;
  border-radius:7px;font-size:.82rem;cursor:pointer}

/* growth deltas */
.delta{font-weight:600;font-size:.85rem;white-space:nowrap}
.delta.up{color:var(--accent2)}
.delta.down{color:#f87171}
.delta.flat{color:var(--muted)}

.foot{text-align:center;color:var(--muted);font-size:.78rem;padding:24px}