.swb-whatsapp-button {
    position: relative;
    z-index: 9999;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s ease;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    box-shadow: 2px 2px 10px rgba(0,0,0,0.2);
}

.swb-whatsapp-button:hover {
    transform: scale(1.1);
    box-shadow: 4px 4px 15px rgba(0,0,0,0.3);
}

.swb-whatsapp-button svg {
    display: block;
    line-height: 1;
}

/* Container for positioning popup relative to button */
.swb-container {
    position: fixed;
    z-index: 9999;
}

.swb-accounts-list {
    position: absolute;
    bottom: 70px; /* Button height + gap */
    width: 260px;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.15);
    overflow-y: auto;
    max-height: 400px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px) scale(0.9);
    transition: all 0.3s cubic-bezier(0.4, 0.0, 0.2, 1);
    transform-origin: bottom center;
}

.swb-container.swb-active .swb-accounts-list {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

.swb-popup-header {
    background: #f0f0f0;
    padding: 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid #eee;
}

.swb-popup-title {
    margin: 0;
    font-size: 16px;
    font-weight: 600;
    color: #333;
}

.swb-popup-close {
    cursor: pointer;
    font-size: 20px;
    line-height: 1;
    color: #999;
    transition: color 0.2s;
}

.swb-popup-close:hover {
    color: #333;
}

.swb-account-item {
    display: flex;
    align-items: center;
    padding: 15px;
    text-decoration: none;
    color: #333;
    border-bottom: 1px solid #f5f5f5;
    transition: background 0.2s;
}

.swb-account-item:last-child {
    border-bottom: none;
}

.swb-account-item:hover {
    background: #f9f9f9;
}

.swb-account-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #25D366;
    border-radius: 50%;
    margin-right: 15px;
    color: #fff;
    flex-shrink: 0;
}

.swb-account-icon svg {
    width: 20px;
    height: 20px;
    fill: #fff;
}

.swb-account-info {
    display: flex;
    flex-direction: column;
}

.swb-account-label {
    font-weight: 600;
    font-size: 14px;
    margin-bottom: 2px;
}

.swb-account-number {
    font-size: 12px;
    color: #888;
}

/* Left/Right specific positioning for the list */
.swb-position-right .swb-accounts-list {
    right: 0;
    transform-origin: bottom right;
}

.swb-position-left .swb-accounts-list {
    left: 0;
    transform-origin: bottom left;
}