:root {
  --navy: #133354;
  --bronze: #ae8f63;
  --bg: #f4f6f8;
  --card: #ffffff;
  --ink: #1c2733;
  --muted: #6b7a89;
  --line: #e2e8f0;
  --good: #1f9d55;
  --bad: #d64545;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--ink);
}
.muted { color: var(--muted); }
.err { color: var(--bad); }

/* Login */
.login-body { display: flex; min-height: 100vh; align-items: center; justify-content: center; background: var(--navy); }
.login-card {
  background: var(--card); padding: 2.5rem; border-radius: 12px; width: 360px;
  box-shadow: 0 12px 40px rgba(0,0,0,.25); display: flex; flex-direction: column; gap: .9rem;
}
.login-card h1 { font-size: 1.25rem; margin: 0; color: var(--navy); }
.login-card input, .login-card button { padding: .7rem .8rem; border-radius: 8px; font-size: 1rem; }
.login-card input { border: 1px solid var(--line); }
.login-card button { background: var(--navy); color: #fff; border: 0; cursor: pointer; font-weight: 600; }
.login-card button:hover { background: #0e2740; }

/* App layout */
.app { display: grid; grid-template-columns: 250px 1fr; min-height: 100vh; }
.sidebar { background: var(--navy); color: #dbe5ee; padding: 1rem 0; position: sticky; top: 0; height: 100vh; overflow-y: auto; }
.sidebar h2 { font-size: .95rem; padding: 0 1.2rem; color: #fff; margin: .3rem 0 1rem; }
.sidebar .tier { font-size: .7rem; text-transform: uppercase; letter-spacing: .08em; color: var(--bronze); padding: .8rem 1.2rem .2rem; }
.nav-item { display: block; padding: .5rem 1.2rem; color: #cfdae6; text-decoration: none; font-size: .88rem; border-left: 3px solid transparent; cursor: pointer; }
.nav-item:hover { background: rgba(255,255,255,.06); }
.nav-item.active { background: rgba(174,143,99,.18); border-left-color: var(--bronze); color: #fff; font-weight: 600; }

.main { padding: 1.5rem 2rem; overflow-x: hidden; }
.topbar { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; margin-bottom: 1rem; }
.topbar h1 { font-size: 1.3rem; margin: 0; color: var(--navy); }
.controls { display: flex; align-items: center; gap: .6rem; }
select, .btn { padding: .45rem .7rem; border-radius: 8px; border: 1px solid var(--line); background: #fff; font-size: .85rem; cursor: pointer; }
.btn-ghost { background: transparent; color: var(--navy); }
.search-box { padding: .45rem .7rem; border-radius: 8px; border: 1px solid var(--line); font-size: .85rem; width: 200px; }

th.sortable { cursor: pointer; user-select: none; }
th.sortable:hover { color: var(--navy); }
th.sortable .arrow { display: inline-block; width: .9em; opacity: .5; }
th.sortable.sorted .arrow { opacity: 1; color: var(--bronze); }

.banner { background: #fff; border: 1px solid var(--line); border-left: 4px solid var(--bronze); border-radius: 8px; padding: .8rem 1rem; margin-bottom: 1rem; font-size: .85rem; }
.banner strong { color: var(--navy); }

.card { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 1.1rem 1.2rem; margin-bottom: 1.2rem; }
.card h3 { margin: 0 0 .2rem; font-size: 1.05rem; color: var(--navy); }
.card .sub { font-size: .8rem; color: var(--muted); margin: 0 0 .8rem; }
.chart-wrap { position: relative; height: 340px; }

table { width: 100%; border-collapse: collapse; font-size: .82rem; }
th, td { text-align: left; padding: .4rem .5rem; border-bottom: 1px solid var(--line); white-space: nowrap; }
th { color: var(--muted); font-weight: 600; position: sticky; top: 0; background: #fff; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
.pos { color: var(--good); }
.neg { color: var(--bad); }
.table-scroll { max-height: 460px; overflow: auto; }
.pill { display: inline-block; padding: .05rem .5rem; border-radius: 999px; font-size: .72rem; font-weight: 600; }
.pill.A { background: #dff3e6; color: var(--good); }
.pill.B { background: #fef3d6; color: #9a6b00; }
.pill.C { background: #fde2e2; color: var(--bad); }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; }
@media (max-width: 900px) { .app { grid-template-columns: 1fr; } .sidebar { height: auto; position: static; } .grid2 { grid-template-columns: 1fr; } }
.loading { color: var(--muted); font-size: .85rem; padding: 1rem 0; }
.kpis { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 1rem; }
.kpi { background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: .8rem 1rem; min-width: 150px; }
.kpi .v { font-size: 1.4rem; font-weight: 700; color: var(--navy); }
.kpi .l { font-size: .72rem; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }
.note { font-size: .78rem; color: var(--muted); margin-top: .5rem; }