/* login */
        .login-card {
            background: rgba(255, 255, 255, 0.95);
            border-radius: 16px;
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4);
            overflow: hidden;
            max-width: 420px;
            width: 100%;
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        .login-header {
            background-color: var(--prisma-primary);
            color: white;
            padding: 30px 20px;
            text-align: center;
        }

        .login-header h3 {
            font-weight: 700;
            letter-spacing: 0.5px;
            margin-bottom: 5px;
        }

        .login-header p {
            font-size: 0.85rem;
            color: #b8c1ec;
            margin: 0;
        }

        .login-body {
            padding: 30px;
        }

        .form-control:focus {
            border-color: var(--prisma-accent);
            box-shadow: 0 0 0 0.25rem rgba(48, 219, 219, 0.25);
        }

        .input-group-text {
            background-color: #f8f9fa;
            border-right: none;
        }

        .form-control {
            border-left: none;
        }

        .input-group:focus-within .input-group-text {
            border-color: var(--prisma-accent);
        }

        .btn-prisma {
            background-color: var(--prisma-primary);
            border: none;
            color: white;
            font-weight: 600;
            padding: 12px;
            transition: all 0.3s ease;
        }

        .btn-prisma:hover {
            background-color: var(--prisma-secondary);
            color: var(--prisma-accent);
            transform: translateY(-1px);
        }

        .form-check-input:checked {
            background-color: var(--prisma-primary);
            border-color: var(--prisma-primary);
        }

        .footer-note {
            text-align: center;
            font-size: 0.75rem;
            color: #6c757d;
            margin-top: 20px;
        }


/* dashboard */
:root {
            --prisma-primary: #1B145B;
            --prisma-secondary: #241B76;
            --prisma-accent: #30DBDB;
            --prisma-bg: #f4f6f9;
        }

        body {
            font-family: 'Inter', sans-serif;
            background-color: var(--prisma-bg);
            margin: 0;
        }

        /* Estilos de la barra lateral */
        .sidebar {
            position: fixed;
            top: 0;
            bottom: 0;
            left: 0;
            width: 260px;
            background-color: var(--prisma-primary);
            color: white;
            z-index: 100;
            transition: all 0.3s;
        }

        .sidebar-brand {
            padding: 20px;
            font-size: 1.25rem;
            font-weight: 700;
            background-color: var(--prisma-secondary);
            letter-spacing: 0.5px;
        }

        .sidebar-menu {
            padding: 15px 10px;
            list-style: none;
            margin: 0;
        }

        .sidebar-menu li a {
            display: flex;
            align-items: center;
            color: #b8c1ec;
            text-decoration: none;
            padding: 12px 15px;
            border-radius: 8px;
            font-weight: 500;
            margin-bottom: 5px;
            transition: all 0.2s;
        }

        .sidebar-menu li a:hover, .sidebar-menu li a.active {
            background-color: var(--prisma-secondary);
            color: var(--prisma-accent);
        }

        .sidebar-menu li a i {
            width: 25px;
            margin-right: 10px;
        }

        /* Contenido Principal */
        .main-content {
            margin-left: 260px;
            padding: 20px 30px;
        }

        .navbar-top {
            background: white;
            border-radius: 12px;
            padding: 15px 25px;
            box-shadow: 0 4px 6px rgba(0,0,0,0.02);
            margin-bottom: 30px;
        }

        .card-stat {
            border: none;
            border-radius: 12px;
            box-shadow: 0 4px 12px rgba(0,0,0,0.05);
            transition: transform 0.2s;
        }

        .card-stat:hover {
            transform: translateY(-3px);
        }

        .stat-icon {
            width: 50px;
            height: 50px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 10px;
            font-size: 1.5rem;
        }

                /* Ajustes de adaptabilidad responsive para la estructura general */
        @media (max-width: 991.98px) {
            .sidebar {
                transform: translateX(-100%);
                transition: transform 0.3s ease-in-out;
            }
            .sidebar.show {
                transform: translateX(0);
            }
            .main-content {
                margin-left: 0 !important;
                padding: 15px !important;
            }
        }
        
        @media (min-width: 992px) {
            .sidebar {
                transform: translateX(0) !important;
            }
            .main-content {
                margin-left: 260px;
            }
        }

        /* Capa oscura de fondo cuando el menú móvil está abierto */
        .sidebar-backdrop {
            display: none;
            position: fixed;
            top: 0; left: 0; width: 100%; height: 100%;
            background: rgba(0,0,0,0.5);
            z-index: 99;
        }
        .sidebar-backdrop.show {
            display: block;
        }