:root{--app-bg:#f5f7fb;--app-primary:#1f4fd6;--app-dark:#13203b;}body{background:var(--app-bg);} .app-navbar{background:linear-gradient(135deg,#13203b,#1f4fd6);} .app-navbar .navbar-brand,.app-navbar .nav-link{color:#fff;} .app-navbar .nav-link.active,.app-navbar .nav-link:hover{color:#fff;opacity:1;} .kpi-card{border-radius:18px;} .kpi-label{color:#64748b;font-size:.9rem;} .kpi-value{font-size:1.6rem;font-weight:700;margin-top:.25rem;} .login-card{margin-top:10vh;border-radius:20px;} .card{border-radius:18px;} .table>thead th{white-space:nowrap;}