#fcu-floating-button {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: #007bff; /* Default primary */
    color: #ffffff; /* Default button text color */
    padding: 12px 20px;
    border-radius: 50px;
    cursor: pointer;
    box-shadow: 0 6px 12px rgba(0,0,0,0.3);
    z-index: 1000;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 16px;
    font-weight: 500;
    transition: transform 0.2s ease-in-out;
}

#fcu-floating-button:hover {
    transform: scale(1.05);
}

#fcu-floating-button i {
    font-size: 18px;
}

#fcu-popup {
    position: fixed;
    bottom: 80px;
    right: 20px;
    width: 320px;
    background: #ffffff;
    border: 2px solid #6c757d; /* Default secondary */
    border-radius: 12px;
    box-shadow: 0 8px 16px rgba(0,0,0,0.3);
    display: none;
    z-index: 1001;
}

#fcu-popup-content {
    padding: 20px;
}

#fcu-close {
    position: absolute;
    top: 10px;
    right: 10px;
    font-size: 20px;
    cursor: pointer;
    color: #333333;
}

#fcu-close:hover {
    color: #000000;
}

#fcu-popup h2 {
    margin: 0 0 15px;
    font-size: 20px;
    color: #333333;
}

#fcu-form input, #fcu-form textarea {
    width: 100%;
    margin-bottom: 12px;
    padding: 10px;
    border: 1px solid #cccccc;
    border-radius: 6px;
    font-size: 14px;
    box-sizing: border-box;
}

#fcu-form textarea {
    resize: vertical;
    min-height: 80px;
}

.fcu-submit {
    width: 100%;
    padding: 12px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 500;
    transition: background-color 0.2s ease;
}

#fcu-response {
    margin-top: 10px;
    font-size: 14px;
    font-weight: 500;
    text-align: center;
}