body {
            background-color: #f0f2f5;
            height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: 'Poppins', sans-serif;
                zoom: 80%;
            }

            @media (min-width: 1800px) {
                body {
                    zoom: 90%;
                }
            }
        .login-card {
            border: none;
            border-radius: 20px;
            box-shadow: 0 15px 35px rgba(0,0,0,0.2);
            overflow: hidden;
            max-width: 500px;
            width: 100%;
            background: rgba(255, 255, 255, 0.98);
            animation: fadeIn 0.8s ease-out;
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(-20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .card-header {
            background: transparent;
            padding: 40px 30px 20px;
            text-align: center;
            border-bottom: none;
        }
        .card-header h3 {
            font-weight: 700;
            color: #333;
            letter-spacing: -0.5px;
            margin-bottom: 5px;
        }
        .card-header p {
            color: #888;
            font-size: 0.95rem;
            margin: 0;
        }
        .card-body {
            padding: 20px 40px 50px;
        }
        .system-logo {
            font-size: 3.5rem;
            margin-bottom: 10px;
            display: inline-block;
            background: linear-gradient(135deg, #0d6efd 0%, #0a58ca 100%);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .form-floating > .form-control {
            border-radius: 12px;
            border: 1px solid #eaeaea;
            padding-left: 20px;
        }
        .form-floating > label {
            padding-left: 20px;
            color: #999;
        }
        .form-control:focus {
            border-color: #0d6efd;
            box-shadow: 0 0 0 4px rgba(13, 110, 253, 0.1);
        }
        .btn-primary {
            padding: 14px;
            font-weight: 600;
            font-size: 1rem;
            letter-spacing: 0.5px;
            border-radius: 12px;
            background: linear-gradient(to right, #0d6efd 0%, #0a58ca 100%);
            border: none;
            transition: all 0.3s;
            margin-top: 10px;
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(13, 110, 253, 0.3);
            background: linear-gradient(to right, #0a58ca 0%, #0d6efd 100%);
        }
        .form-check-input:checked {
            background-color: #0d6efd;
            border-color: #0d6efd;
        }
        .footer-text {
            text-align: center;
            margin-top: 30px;
            font-size: 0.9rem;
            color: #888;
        }
        .footer-text a {
            text-decoration: none;
            color: #0d6efd;
            font-weight: 600;
        }
        .footer-text a:hover {
            text-decoration: underline;
        }
        a.forgot-password {
            color: #0d6efd;
            font-weight: 500;
        }
        a.forgot-password:hover {
            text-decoration: underline;
            color: #0a58ca;
        }