body { background-color: #f4f6f9; }
.kpi-card { border-radius: 14px; border: none; box-shadow: 0 2px 10px rgba(0,0,0,0.06); }
.kpi-card .kpi-value { font-size: 1.8rem; font-weight: 700; }
.kpi-card .kpi-label { font-size: .8rem; text-transform: uppercase; letter-spacing: .04em; color: #6c757d; }
.chart-card { border-radius: 14px; border: none; box-shadow: 0 2px 10px rgba(0,0,0,0.06); }
table.table thead { background-color: #eef1f6; }
.login-wrapper { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg,#0d1b2a,#1b263b); }
.login-card { max-width: 400px; width: 100%; border-radius: 16px; }