.visa-invitation-wrapper {
    max-width: 1000px;
    margin: 40px auto;
    padding: 0 20px;
}

#visa-invitation-form {
    background: #ffffff;
    border: 2px solid #e8e8e8;
    border-radius: 12px;
    padding: 50px 60px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.visa-invitation-wrapper .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-bottom: 30px;
}

.visa-invitation-wrapper .form-group {
    display: flex;
    flex-direction: column;
}

.visa-invitation-wrapper .form-group label {
    font-weight: 600;
    margin-bottom: 10px;
    color: #2c3e50;
    font-size: 15px;
}

.visa-invitation-wrapper .form-group input {
    padding: 14px 16px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 16px;
    transition: all 0.3s ease;
    background-color: #fafafa;
}

.visa-invitation-wrapper .form-group input:focus {
    border-color: #a11e29;
    outline: none;
    background-color: #ffffff;
    box-shadow: 0 0 0 3px rgba(161, 30, 41, 0.1);
}

.visa-invitation-wrapper .form-group input:hover {
    border-color: #c5c5c5;
}

.visa-invitation-wrapper button[type="submit"] {
    background: linear-gradient(135deg, #a11e29 0%, #8a1821 100%);
    color: #ffffff;
    padding: 16px 50px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 17px;
    font-weight: 600;
    display: block;
    margin: 30px auto 0;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(161, 30, 41, 0.3);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.visa-invitation-wrapper button[type="submit"]:hover {
    background: linear-gradient(135deg, #8a1821 0%, #6f1419 100%);
    box-shadow: 0 6px 20px rgba(161, 30, 41, 0.4);
    transform: translateY(-2px);
}

.visa-invitation-wrapper button[type="submit"]:active {
    transform: translateY(0);
    box-shadow: 0 2px 10px rgba(161, 30, 41, 0.3);
}

.visa-invitation-wrapper .btn-submit.disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: 0 4px 15px rgba(161, 30, 41, 0.2) !important;
}

.visa-invitation-success,
.visa-invitation-error {
    max-width: 1000px;
    margin: 0 auto 30px;
    padding: 20px 25px;
    border-radius: 10px;
    font-size: 16px;
    line-height: 1.6;
    animation: slideDown 0.4s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.visa-invitation-success {
    background: linear-gradient(135deg, #d4edda 0%, #c3e6cb 100%);
    color: #155724;
    border: 2px solid #28a745;
    border-left: 5px solid #28a745;
}

.visa-invitation-error {
    background: linear-gradient(135deg, #f8d7da 0%, #f5c6cb 100%);
    color: #721c24;
    border: 2px solid #dc3545;
    border-left: 5px solid #dc3545;
}

.visa-invitation-error ul {
    margin: 10px 0 0 0;
    padding-left: 20px;
}

.visa-invitation-error ul li {
    margin-bottom: 8px;
}

.visa-invitation-wrapper .error {
    color: #dc3545 !important;
    font-size: 13px !important;
    display: block !important;
    margin-top: 6px !important;
    font-weight: 500;
}

.visa-invitation-wrapper #form-message {
    margin-top: 20px !important;
    padding: 15px !important;
    border-radius: 8px !important;
    text-align: center;
    font-weight: 500;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.form-message.success {
    color: #155724 !important;
    background-color: #d4edda;
    border: 1px solid #c3e6cb;
}

.form-message.error {
    color: #721c24 !important;
    background-color: #f8d7da;
    border: 1px solid #f5c6cb;
}

#form-loading {
    display: none;
    text-align: center;
    margin-top: 15px;
    color: #a11e29;
    font-weight: 500;
}

#form-loading.active {
    display: block;
}

/* Responsive Design */
@media (max-width: 768px) {
    .visa-invitation-wrapper {
        margin: 20px auto;
        padding: 0 15px;
    }

    .visa-invitation-wrapper .form-row {
        grid-template-columns: 1fr;
        gap: 20px;
        margin-bottom: 20px;
    }

    #visa-invitation-form {
        padding: 30px 25px;
    }

    .visa-invitation-wrapper button[type="submit"] {
        width: 100%;
        padding: 16px 30px;
    }

    .visa-invitation-wrapper .form-group label {
        font-size: 14px;
    }

    .visa-invitation-wrapper .form-group input {
        padding: 12px 14px;
        font-size: 15px;
    }
}

@media (max-width: 480px) {
    #visa-invitation-form {
        padding: 25px 20px;
    }

    .visa-invitation-wrapper button[type="submit"] {
        font-size: 15px;
        padding: 14px 25px;
    }
}