/* 容器樣式 */
.rcfi-container {
    position: fixed;
    top: 50%;
    transform: translateY(-50%);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 10px;
}

/* 位置變體 */
.rcfi-container.rcfi-right {
    right: 20px;
}

.rcfi-container.rcfi-left {
    left: 20px;
}

/* 圖示樣式 */
.rcfi-icon {
    display: flex;
    align-items: center; 
    justify-content: center;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    text-decoration: none;
    position: relative;
}
.rcfi-icon i::before {
    display: inline-block;
    font-style: normal;
    font-variant: normal;
    text-rendering: auto;
    -webkit-font-smoothing: antialiased;
}

/* 無背景時的樣式 */
.rcfi-no-background .rcfi-icon {
    background-color: transparent !important;
    box-shadow: none;
}

.rcfi-icon i {
    font-size: 25px; /* 固定圖示大小為容器的一半 */
    transition: transform 0.3s ease;
}

/* 懸停效果 */
.rcfi-icon:hover {
    transform: scale(1.1);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

/* 無背景時的懸停效果 */
.rcfi-no-background .rcfi-icon:hover {
    box-shadow: none;
}

.rcfi-icon:hover i {
    transform: scale(1.1);
}

/* 工具提示 */
.rcfi-icon::before {
    content: attr(data-tooltip);
    position: absolute;
    background-color: rgba(0, 0, 0, 0.8);
    color: #ffffff;
    padding: 5px 10px;
    border-radius: 4px;
    font-size: 12px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.rcfi-container.rcfi-right .rcfi-icon::before {
    right: 100%;
    margin-right: 10px;
}

.rcfi-container.rcfi-left .rcfi-icon::before {
    left: 100%;
    margin-left: 10px;
}

.rcfi-icon:hover::before {
    opacity: 1;
    visibility: visible;
}

/* 響應式樣式 */
@media screen and (max-width: 768px) {
    .rcfi-container {
        padding: 5px;
    }
}

/* 觸控設備優化 */
@media (hover: none) {
    .rcfi-icon:hover {
        transform: none;
    }
    
    .rcfi-icon:hover i {
        transform: none;
    }

    .rcfi-no-background .rcfi-icon:hover {
        box-shadow: none;
    }
}