/* Floating Button */
#mhu-wa-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: #25D366;
    color: white;
    padding: 15px 25px;
    border-radius: 50px;
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    font-size: 16px;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
    cursor: pointer;
    z-index: 999999;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: all 0.3s ease;
    border: none;
}

#mhu-wa-btn:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.6);
    background: #20BA56;
}

#mhu-wa-btn svg {
    width: 24px;
    height: 24px;
    fill: white;
}

/* Modal Overlay */
#mhu-wa-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(5px);
    z-index: 9999999;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

#mhu-wa-modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* Modal Content */
#mhu-wa-modal {
    background: white;
    width: 90%;
    max-width: 400px;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0,0,0,0.2);
    transform: translateY(20px) scale(0.95);
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    font-family: 'Poppins', sans-serif;
    position: relative;
}

#mhu-wa-modal-overlay.active #mhu-wa-modal {
    transform: translateY(0) scale(1);
}

.mhu-modal-header {
    background: linear-gradient(135deg, #D4AF37 0%, #B89222 100%);
    color: white;
    padding: 25px 20px;
    text-align: center;
    position: relative;
}

.mhu-modal-header h3 {
    margin: 0;
    font-size: 20px;
    font-weight: 700;
}

.mhu-modal-header p {
    margin: 5px 0 0;
    font-size: 13px;
    opacity: 0.9;
}

.mhu-close-btn {
    position: absolute;
    top: 15px;
    right: 15px;
    background: rgba(255,255,255,0.2);
    border: none;
    color: white;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    font-size: 18px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: 0.2s;
}

.mhu-close-btn:hover {
    background: rgba(255,255,255,0.4);
}

.mhu-modal-body {
    padding: 25px 20px;
}

.mhu-form-group {
    margin-bottom: 15px;
}

.mhu-form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 13px;
    font-weight: 600;
    color: #333;
}

.mhu-form-control {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 10px;
    font-size: 14px;
    font-family: inherit;
    transition: 0.3s;
    box-sizing: border-box;
    background: #f9f9f9;
}

.mhu-form-control:focus {
    outline: none;
    border-color: #D4AF37;
    background: white;
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.2);
}

.mhu-submit-btn {
    width: 100%;
    padding: 14px;
    background: #25D366;
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    transition: 0.3s;
    margin-top: 10px;
}

.mhu-submit-btn:hover {
    background: #20BA56;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
}

.mhu-submit-btn:disabled {
    background: #ccc;
    cursor: not-allowed;
    box-shadow: none;
}

/* Loading Spinner */
.mhu-loader {
    border: 3px solid rgba(255,255,255,0.3);
    border-top: 3px solid white;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    animation: mhu-spin 1s linear infinite;
    display: none;
}

@keyframes mhu-spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}