/* 最新單曲和最新套曲按鈕樣式 */

/* 標籤頁按鈕容器 */
.release_tabs_wrapper {
    margin-bottom: 1.5rem;
    position: relative;
}

.release_tabs_wrapper .nav-tabs {
    display: flex;
    border-bottom: none;
    position: relative;
    z-index: 1;
    gap: 1rem;
}

/* 背景指示器 */
.release_tabs_wrapper::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: rgba(255, 255, 255, 0.1);
    z-index: 0;
}

/* 標籤按鈕基本樣式 */
.release_tabs_wrapper .nav-link {
    position: relative;
    padding: 0.75rem 1.5rem;
    color: rgba(255, 255, 255, 0.7);
    font-weight: 500;
    border: none;
    background: transparent;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 0.5rem 0.5rem 0 0;
    overflow: hidden;
    font-size: 1rem;
    letter-spacing: 0.5px;
    text-decoration: none;
}

/* 懸停效果 */
.release_tabs_wrapper .nav-link:hover {
    color: #fff;
    background-color: rgba(255, 255, 255, 0.05);
}

/* 活動標籤樣式 */
.release_tabs_wrapper .nav-link.active {
    color: #fff;
    font-weight: 600;
}

/* 底部指示器 */
.release_tabs_wrapper .nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, #FF53B4, #FF53B4);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    transform: translateX(-50%);
    border-radius: 3px 3px 0 0;
    z-index: 2;
}

.release_tabs_wrapper .nav-link.active::after {
    width: 100%;
    box-shadow: 0 0 10px rgba(255, 83, 180, 0.5);
}

/* 波紋效果 */
.release_tabs_wrapper .nav-link .ripple {
    position: absolute;
    background: radial-gradient(circle, rgba(255, 83, 180, 0.3) 0%, rgba(255, 83, 180, 0) 70%);
    border-radius: 50%;
    transform: scale(0);
    animation: ripple 0.6s linear;
    pointer-events: none;
}

@keyframes ripple {
    to {
        transform: scale(2.5);
        opacity: 0;
    }
}

/* 標籤內容動畫 */
.tab-content > .tab-pane {
    opacity: 0;
    transform: translateY(10px);
    transition: all 0.3s ease-out;
    display: none;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
}

.tab-content > .tab-pane.active {
    opacity: 1;
    transform: translateY(0);
    display: block;
    position: relative;
}

/* 修復tab內容顯示問題 */
.tab-pane.active {
    display: block !important;
    opacity: 1 !important;
    transform: translateY(0) !important;
    position: relative !important;
}

/* 確保單曲榜和套曲榜內容可見 */
#page_Single_Top.active,
#page_Divertimento_Top.active {
    display: block !important;
    visibility: visible !important;
    position: relative !important;
}

/* 防止非活動tab內容閃現 */
.tab-pane:not(.active) {
    display: none !important;
    opacity: 0 !important;
    visibility: hidden !important;
    position: absolute !important;
    z-index: -1 !important;
}

/* 標籤圖標動畫 */
.release_tabs_wrapper .nav-link i {
    margin-right: 0.5rem;
    transition: transform 0.3s ease;
}

.release_tabs_wrapper .nav-link:hover i {
    transform: translateY(-2px);
}

.release_tabs_wrapper .nav-link.active i {
    transform: scale(1.2);
    color: #FF53B4;
}

/* 標籤懸停光暈效果 */
.release_tabs_wrapper .nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at center, rgba(255, 83, 180, 0.2), transparent 70%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.release_tabs_wrapper .nav-link:hover::before {
    opacity: 1;
}

/* 響應式調整 */
@media (max-width: 768px) {
    .release_tabs_wrapper .nav-link {
        padding: 0.5rem 1rem;
        font-size: 0.9rem;
    }
}

/* 序號樣式優化 */
.rank-number {
    display: inline-block;
    width: 2rem;
    height: 2rem;
    line-height: 2rem;
    text-align: center;
    background: linear-gradient(135deg, #FF53B4, #8B5CF6);
    color: white;
    border-radius: 50%;
    font-weight: bold;
    font-size: 0.9rem;
    box-shadow: 0 2px 8px rgba(255, 83, 180, 0.3);
    transition: all 0.3s ease;
}

.rank-number:hover {
    transform: scale(1.1);
    box-shadow: 0 4px 12px rgba(255, 83, 180, 0.5);
}

/* 前三名特殊樣式 */
.col-id:nth-child(1) .rank-number {
    background: linear-gradient(135deg, #FFD700, #FFA500);
    box-shadow: 0 2px 8px rgba(255, 215, 0, 0.4);
}

.col-id:nth-child(2) .rank-number {
    background: linear-gradient(135deg, #C0C0C0, #A9A9A9);
    box-shadow: 0 2px 8px rgba(192, 192, 192, 0.4);
}

.col-id:nth-child(3) .rank-number {
    background: linear-gradient(135deg, #CD7F32, #B8860B);
    box-shadow: 0 2px 8px rgba(205, 127, 50, 0.4);
}

/* 最新單曲和套曲表格序號樣式 */
.rank-number-new {
    display: inline-block;
    width: 1.8rem;
    height: 1.8rem;
    line-height: 1.8rem;
    text-align: center;
    background: linear-gradient(135deg, #6366F1, #8B5CF6);
    color: white;
    border-radius: 50%;
    font-weight: 600;
    font-size: 0.8rem;
    box-shadow: 0 2px 6px rgba(99, 102, 241, 0.3);
    transition: all 0.3s ease;
}

.rank-number-new:hover {
    transform: scale(1.05);
    box-shadow: 0 3px 10px rgba(99, 102, 241, 0.5);
}

/* 表格中前三名特殊樣式 */
tbody tr:nth-child(1) .rank-number-new {
    background: linear-gradient(135deg, #FFD700, #FFA500);
    box-shadow: 0 2px 6px rgba(255, 215, 0, 0.4);
}

tbody tr:nth-child(2) .rank-number-new {
    background: linear-gradient(135deg, #C0C0C0, #A9A9A9);
    box-shadow: 0 2px 6px rgba(192, 192, 192, 0.4);
}

tbody tr:nth-child(3) .rank-number-new {
    background: linear-gradient(135deg, #CD7F32, #B8860B);
    box-shadow: 0 2px 6px rgba(205, 127, 50, 0.4);
}

/* 熱門推薦分類按鈕樣式 */
.category-filter.active {
    background: #FF53B4 !important;
    color: white !important;
}