/* 移動端篩選側邊欄樣式 */
.mobile-filter-mask {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 9998;
    display: none;
    transition: opacity 0.3s ease;
}

.mobile-filter-nav {
    position: fixed;
    top: 0;
    left: -80%;
    width: 80%;
    height: 100%;
    background-color: #fff;
    z-index: 9999;
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    overflow-y: auto;
}

.mobile-filter-nav.show {
    /* transform: translateX(320px); */
    left: 0;
}

.mobile-filter-container {
    height: 100%;
    display: flex;
    flex-direction: column;
}

.mobile-filter-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    border-bottom: 1px solid #f0f0f0;
    background: var(--primary-color);
}

.mobile-filter-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 18px;
    font-weight: 600;
    color: #fff;
}

.mobile-filter-title i {
    font-size: 20px;
    color: #fff;
}

.mobile-filter-close {
    cursor: pointer;
    font-size: 26px;
    color: #fff;
    padding: 8px;
    border-radius: 50%;
    transition: all 0.3s ease;
    width: 26px;
    height: 26px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mobile-filter-close:hover {
    background: #f0f0f0;
    color: var(--primary-color);
}

.mobile-filter-content {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
}

.mobile-filter-section {
    margin-bottom: 30px;
}

.mobile-filter-section:last-child {
    margin-bottom: 0;
}

.mobile-filter-section h3 {
    font-family: var(--font-heading);
    font-size: 16px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 15px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--accent-color);
}

/* 移動端搜索框 */
.mobile-search-box {
    position: relative;
    display: flex;
    align-items: center;
    margin-bottom: 0;
}

.mobile-search-box input {
    width: 100%;
    padding: 12px 45px 12px 15px;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    font-size: 14px;
    transition: all 0.3s ease;
    box-sizing: border-box;
}

.mobile-search-box input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 37, 24, 0.1);
}

.mobile-search-box button {
    position: absolute;
    right: 5px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 6px;
    width: 35px;
    height: 35px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.mobile-search-box button:hover {
    background: var(--accent-color);
    transform: translateY(-50%) scale(1.05);
}

/* 移動端篩選列表 */
.mobile-filter-section ul {
    list-style: none;
    padding: 0;
    margin: 0;
    max-height: 200px;
    overflow-y: auto;
    overflow-x: hidden;
}

/* 自定义滚动条样式 */
.mobile-filter-section ul::-webkit-scrollbar {
    width: 3px;
}

.mobile-filter-section ul::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 3px;
}

.mobile-filter-section ul::-webkit-scrollbar-thumb {
    background: #d4d3d3;
    border-radius: 3px;
    transition: background 0.3s ease;
}

.mobile-filter-section ul::-webkit-scrollbar-thumb:hover {
    background: #a8a8a8;
}

.mobile-filter-section ul li {
    margin-bottom: 8px;
}

.mobile-filter-link {
    display: block;
    padding: 10px 12px;
    color: #666;
    text-decoration: none;
    border-radius: 6px;
    transition: all 0.3s ease;
    font-size: 14px;
    position: relative;
}

.mobile-filter-link:hover,
.mobile-filter-link.active {
    background: var(--primary-color);
    color: white;
    transform: translateX(3px);
}

/* 移動端年份篩選 */
.mobile-filter-section ul {
    list-style: none;
    padding: 0;
    margin: 0;
    max-height: 200px;
    overflow-y: auto;
    overflow-x: hidden;
}

/* 年份篩選滾動條樣式 */
.mobile-filter-section ul::-webkit-scrollbar {
    width: 6px;
}

.mobile-filter-section ul::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 3px;
}

.mobile-filter-section ul::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 3px;
    transition: background 0.3s ease;
}

.mobile-filter-section ul::-webkit-scrollbar-thumb:hover {
    background: #a8a8a8;
}

.mobile-filter-section ul li {
    margin-bottom: 8px;
}

.mobile-year-link {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 12px;
    color: #666;
    text-decoration: none;
    border-radius: 6px;
    transition: all 0.3s ease;
    font-size: 14px;
}

.mobile-year-link:hover {
    background: #f8f9fa;
    color: var(--primary-color);
}

.mobile-expand-icon {
    font-weight: bold;
    transition: transform 0.3s ease;
    flex-shrink: 0;
}

.mobile-year-link.expanded .mobile-expand-icon {
    transform: rotate(45deg);
}

/* 移動端篩選操作按鈕 */
.mobile-filter-actions {
    padding: 20px;
    border-top: 1px solid #f0f0f0;
    background: #f8f9fa;
    display: flex;
    gap: 10px;
}

.mobile-clear-filters-btn,
.mobile-apply-filters-btn {
    flex: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 12px 16px;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.mobile-clear-filters-btn {
    background: #6c757d;
    color: white;
}

.mobile-clear-filters-btn:hover {
    background: #5a6268;
    transform: translateY(-1px);
}

.mobile-apply-filters-btn {
    background: var(--primary-color);
    color: white;
}

.mobile-apply-filters-btn:hover {
    background: var(--accent-color);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(233, 199, 88, 0.3);
}

/* 移動端篩選按鈕 */
.mobile-filter-btn {
    display: none;
    align-items: center;
    gap: 6px;
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.mobile-filter-btn:hover {
    background: var(--accent-color);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(233, 199, 88, 0.3);
}

.mobile-filter-btn i {
    font-size: 16px;
}

/* 響應式設計 */
@media (max-width: 768px) {
    .mobile-filter-btn {
        display: inline-flex;
    }

    .content-actions {
        gap: 10px;
    }
}

.mobile-year-link+ul {
    list-style: none;
    padding: 0;
    margin: 8px 0 0 20px;
    max-height: 120px;
    overflow-y: auto;
}

.mobile-year-link+ul::-webkit-scrollbar {
    width: 3px;
}

.mobile-year-link+ul::-webkit-scrollbar-track {
    background: #f8f9fa;
    border-radius: 2px;
}

.mobile-year-link+ul::-webkit-scrollbar-thumb {
    background: #d1d1d1;
    border-radius: 2px;
    transition: background 0.3s ease;
}

.mobile-year-link+ul::-webkit-scrollbar-thumb:hover {
    background: #b8b8b8;
}

.mobile-year-link+ul li {
    margin-bottom: 4px;
}

.mobile-year-link+ul a {
    display: block;
    padding: 8px 12px;
    color: #888;
    text-decoration: none;
    font-size: 13px;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.mobile-year-link+ul a:hover {
    background: #f8f9fa;
    color: var(--primary-color);
}