.form-group {
        margin-top: 23px;
    }

    .certificate-form-container {
        background: rgba(255, 255, 255, 0.25);
        backdrop-filter: blur(2px);
        border-radius: 25px;
        padding: 45px;
        border: 1px solid rgba(255, 255, 255, 0.3);
        box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1), 0 5px 15px rgba(0, 0, 0, 0.07);
        transition: all 0.4s ease;
        position: relative;
        overflow: hidden;
    }

    .certificate-form-container::before {
        content: '';
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        width: 200px;
        height: 200px;
        background-image: url('/logo.png');
        background-repeat: no-repeat;
        background-position: center;
        background-size: contain;
        opacity: 2;
        z-index: 0;
        pointer-events: none;
    }

    .certificate-form-container > * {
        position: relative;
        z-index: 1;
    }

    .certificate-form-container:hover {
        transform: translateY(-5px);
        box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15), 0 10px 25px rgba(0, 0, 0, 0.1);
        background: rgba(255, 255, 255, 0.3);
        border-color: rgba(255, 255, 255, 0.4);
    }

    .form-group label {
        color: rgba(255, 255, 255, 0.95);
        font-weight: 600;
        margin-bottom: 12px;
        font-size: 1.1rem;
        text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
    }

    .form-control {
        background: rgba(255, 255, 255, 0.2);
        border: 2px solid rgba(255, 255, 255, 0.3);
        border-radius: 18px;
        color: white;
        padding: 18px 25px;
        font-size: 1.05rem;
        transition: all 0.4s ease;
        backdrop-filter: blur(8px);
    }

    .form-control:focus {
        background: rgba(255, 255, 255, 0.25);
        border-color: rgba(255, 215, 0, 0.6);
        box-shadow: 0 0 0 0.3rem rgba(255, 215, 0, 0.2), 0 8px 25px rgba(255, 215, 0, 0.1);
        color: white;
        transform: translateY(-2px);
    }

    .form-control::placeholder {
        color: rgba(255, 255, 255, 0.7);
    }

    .btn-check {
        background: linear-gradient(135deg, #ffd700 0%, #ffed4e 50%, #ffd700 100%);
        border: none;
        border-radius: 30px;
        padding: 18px 45px;
        font-weight: 700;
        color: #2c3e50;
        font-size: 1.1rem;
        transition: all 0.4s ease;
        text-transform: uppercase;
        letter-spacing: 1.5px;
        box-shadow: 0 8px 25px rgba(255, 215, 0, 0.3);
        position: relative;
        overflow: hidden;
    }

    .btn-check::before {
        content: '';
        position: absolute;
        top: 0;
        left: -100%;
        width: 100%;
        height: 100%;
        background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
        transition: left 0.5s ease;
    }

    .btn-check:hover::before {
        left: 100%;
    }

    .btn-check:hover {
        background: linear-gradient(135deg, #ffed4e 0%, #ffd700 50%, #ffed4e 100%);
        transform: translateY(-3px);
        box-shadow: 0 15px 35px rgba(255, 215, 0, 0.4);
    }

    .btn-check:active {
        transform: translateY(-1px);
    }

    /* Style the form containers */
    #card-check-form, #certificate-check-form {
        position: relative;
    }

    .col-xs-6:has(form) {
        padding: 20px;
        width: 50%;
        box-sizing: border-box;
    }

    .col-xs-6:has(form) form {
        background: rgba(255, 255, 255, 0.25);
        backdrop-filter: blur(1px);
        border-radius: 25px;
        padding: 45px;
        border: 1px solid rgba(255, 255, 255, 0.3);
        box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1), 0 5px 15px rgba(0, 0, 0, 0.07);
        transition: all 0.4s ease;
        position: relative;
        overflow: hidden;
    }

    .col-xs-6:has(form) form::before {
        content: '';
        position: absolute;
        top: 18%;
        left: 50%;
        transform: translate(-50%, -50%);
        width: 200px;
        height: 73px;
        background-image: url('/logo.png');
        background-repeat: no-repeat;
        background-position: center;
        background-size: contain;
        opacity: 2;
        z-index: 0;
        pointer-events: none;
    }

    .col-xs-65{
        width: 100%;
        margin-top: 30%;
        height: 100%;

    }

    .img-thumbnail-col-xs-65 {
        display: inline-block;
        width: 100%;
        height: 100%;
        padding: 4px;
        line-height: 1.42857143;
        background-color: #fff;
        border: 1px solid #ddd;
        border-radius: 4px;
        -webkit-transition: all .2s ease-in-out;
        -o-transition: all .2s ease-in-out;
        transition: all .2s ease-in-out;
    }

    @media (max-width: 511px) {
           .col-xs-65 {
                margin-top: 60%;
            }
            .btn {
                width: 100%;
            }
        }

    .col-xs-6:has(form) {
    padding: 20px;
    width: 50%;
    box-sizing: border-box;
    }

    .col-xs-6:has(form) form > * {
        position: relative;
        z-index: 1;
    }

    .col-xs-6:has(form) form:hover {
        transform: translateY(-5px);
        box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15), 0 10px 25px rgba(0, 0, 0, 0.1);
        background: rgba(255, 255, 255, 0.3);
        border-color: rgba(255, 255, 255, 0.4);
    }

    /* Responsive Styling */
    @media (max-width: 992px) {
        .certificate-form-container {
            padding: 30px;
        }

        .form-control {
            padding: 14px 20px;
            font-size: 1rem;
        }

        .btn-check {
            padding: 14px 30px;
            font-size: 1rem;
        }

        .col-xs-6:has(form) {
            width: 100%;
        }
    }

    @media (max-width: 768px) {
        .certificate-form-container {
            padding: 20px;
            border-radius: 18px;
        }

        .form-group label {
            font-size: 1rem;
        }

        .form-control {
            padding: 12px 18px;
            font-size: 0.95rem;
        }

        .btn-check {
            width: 100%;
            padding: 14px 0;
        }

        .col-xs-6:has(form) form {
            padding: 25px;
        }
    }

    @media (max-width: 480px) {
        .certificate-form-container::before,
        .col-xs-6:has(form) form::before {
            display: none;
        }

        .certificate-form-container,
        .col-xs-6:has(form) form {
            padding: 20px 15px;
        }

        .form-group label {
            font-size: 0.95rem;
        }

        .form-control {
            padding: 10px 14px;
            font-size: 0.9rem;
        }

        .btn-check {
            font-size: 0.95rem;
            padding: 12px 0;
        }
    }


.custom-modal {

    display: none;
    position: fixed;
    z-index: 9999;
    top: 30%;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    backdrop-filter: blur(2px);
    padding: 40px;
    box-sizing: border-box;
    justify-content: center;
    align-items: center;
}

.custom-modal-content {
    
    width: 90%;
    height: 100%;
    margin: 0%;
    border-radius: 8px;
    object-fit: contain;
    width: 100%;
    height: auto;
}

.custom-close {
    position: absolute;
    top: 20px;
    right: 25px;
    font-size: 40px;
    font-weight: bold;
    color: white;
    cursor: pointer;
    z-index: 10000;
}

/* Responsive for smaller screens */
@media (max-width: 600px) {

    .custom-modal {

        display: none;
        position: fixed;
        z-index: 9999;
        top: 39%;
        left: 0;
        bottom: 0;
        /* width: 100; */
        height: 50%;
        overflow: auto;
        justify-content: center;
        align-items: center;
    }
    .custom-close {
        font-size: 30px;
        top: 15px;
        right: 20px;
    }

    .custom-modal-content {
        width: 100%;
        /* margin-top: 81%; */
    }
}