:root { --brand:#0d6efd; --bg:#f4f6fb; --ink:#1f2733; }
body { background:var(--bg); color:var(--ink); }
.sidebar { min-height:100vh; background:#0f1b2d; }
.sidebar a { color:#c7d2e0; text-decoration:none; display:block; padding:.6rem 1rem;
  border-radius:.5rem; margin:.15rem .5rem; font-size:.95rem; }
.sidebar a:hover, .sidebar a.active { background:#1d3557; color:#fff; }
.sidebar .brand { color:#fff; font-weight:700; padding:1rem; font-size:1.15rem; }
.phase-btn { font-size:1.25rem; padding:1rem 2rem; }
.clock { font-variant-numeric:tabular-nums; font-weight:700; }
.card-kpi { border:none; border-radius:1rem; box-shadow:0 2px 10px rgba(0,0,0,.06); }
.card-kpi .num { font-size:2rem; font-weight:700; }
.badge-fase { font-size:.8rem; }
.table thead th { background:#eef2f9; }
.navbar-brand-mini { font-weight:700; color:var(--brand); }
.disp-bajo { color:#b45309; }
#tablaSaldos td, #tablaSaldos th { vertical-align: middle; }
.saldo-neg { color:#dc3545; font-weight:700; }