:root {
    --azul-900: #071b33;
    --azul-800: #0b2b4f;
    --azul-700: #103f73;
    --azul-600: #155c9d;
    --azul-500: #1f77c4;
    --dorado: #d7aa43;
}

body {
    background-color: #f4f6f9;
}

.bg-app-navbar {
    background: linear-gradient(135deg, var(--azul-800), var(--azul-600)) !important;
}

.card-cuota, .card-cliente, .card-prestamo {
    border-radius: 0.75rem;
}

@media (max-width: 576px) {
    .table-desktop {
        display: none;
    }
}

@media (min-width: 577px) {
    .cards-mobile {
        display: none;
    }
}

/* Menú lateral con degradado azul */
#menuLateral {
    background: linear-gradient(180deg, var(--azul-800), var(--azul-600) 60%, var(--azul-500)) !important;
    color: #fff;
}

#menuLateral .offcanvas-header {
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

#menuLateral .offcanvas-title {
    color: #fff;
}

#menuLateral .btn-close {
    filter: invert(1) grayscale(100%) brightness(200%);
}

#menuLateral .list-group-item {
    background: transparent;
    color: rgba(255, 255, 255, 0.9);
    border-color: rgba(255, 255, 255, 0.1);
    transition: background-color 0.15s ease-in-out, padding-left 0.15s ease-in-out;
}

#menuLateral .list-group-item:hover,
#menuLateral .list-group-item:focus {
    background-color: rgba(255, 255, 255, 0.12);
    color: #fff;
    padding-left: 1.25rem;
}

#menuLateral .list-group-item i {
    color: var(--dorado);
}

/* Tarjetas del dashboard clicables */
.card-metrica {
    cursor: pointer;
    transition: transform 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
    border: none;
    border-left: 4px solid var(--azul-600);
}

.card-metrica:hover {
    transform: translateY(-3px);
    box-shadow: 0 0.5rem 1rem rgba(16, 63, 115, 0.18) !important;
}

.card-metrica .fs-5 {
    font-size: 1.15rem !important;
}

.card-metrica.card-alerta {
    border-left-color: #dc3545;
}

.btn-dashboard-accion {
    border-radius: 0.6rem;
    font-weight: 600;
    box-shadow: 0 0.25rem 0.6rem rgba(16, 63, 115, 0.25);
}

.btn-gradient-primary {
    background: linear-gradient(135deg, var(--azul-700), var(--azul-500));
    border: none;
    color: #fff;
}

.btn-gradient-primary:hover {
    background: linear-gradient(135deg, var(--azul-800), var(--azul-600));
    color: #fff;
}

.btn-gradient-success {
    background: linear-gradient(135deg, #157347, #28a745);
    border: none;
    color: #fff;
}

.btn-gradient-success:hover {
    background: linear-gradient(135deg, #0f5c38, #1e7e34);
    color: #fff;
}

.modal-header-gradient {
    background: linear-gradient(135deg, var(--azul-800), var(--azul-600));
    color: #fff;
    border-bottom: none;
}

.modal-header-gradient .btn-close {
    filter: invert(1) grayscale(100%) brightness(200%);
}

/* Recibo de pago imprimible */
.recibo-box {
    border-radius: 0.9rem;
    overflow: hidden;
}

.recibo-header {
    background: linear-gradient(135deg, var(--azul-800), var(--azul-600));
    color: #fff;
}

.recibo-sello {
    letter-spacing: 0.08em;
}

@media print {
    #menuLateral, nav.navbar, .no-imprimir {
        display: none !important;
    }
    body {
        background: #fff !important;
    }
    .recibo-box {
        box-shadow: none !important;
        border: 1px solid #ccc;
    }
}

.form-label {
	font-weight : bold;
}