/**
 * 套組篩選模態框 - CSS
 * 獨立檔案，從 catalog/index.html 分離
 */

/* ===== 手機版系列 nav ===== */

.set-filter-sticky-header {
    position: sticky;
    top: -1rem;
    margin: -1rem -1rem 0 -1rem;
    padding: 12px 1rem 8px 1rem;
    z-index: 1020;
    background: transparent;
    border-bottom: 1px solid transparent;
    transition: background 0.2s, border-color 0.2s;
}

.set-filter-sticky-header.sticky-active {
    background: rgba(33, 37, 41, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

[data-theme="light"] .set-filter-sticky-header.sticky-active {
    background: rgba(255, 255, 255, 0.85);
    border-bottom: 1px solid rgba(0,0,0,0.1);
}

#expansion-series-nav {
    background: transparent;
}

#expansion-series-nav-content {
    display: flex;
    align-items: center;
    gap: 6px;
}

.expansion-series-nav-button {
    border: 1px solid var(--bs-border-color);
    background: transparent;
    color: var(--bs-body-color);
    border-radius: 8px;
    padding: 4px 6px;
    line-height: 1;
}

.expansion-series-nav-button-sole-icon {
    font-size: 0.9rem;
}

.expansion-series-nav-jump-links {
    display: flex;
    gap: 6px;
    overflow-x: auto;
    white-space: nowrap;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    flex: 1 1 auto;
}

.expansion-series-nav-jump-links::-webkit-scrollbar {
    display: none;
}

.expansion-series-nav-jump-link {
    display: inline-flex;
    align-items: center;
    white-space: nowrap;
    padding: 6px 12px;
    font-size: 0.78rem;
    border-radius: 999px;
    border: 1px solid rgba(255,255,255,0.3);
    background: transparent;
    color: #e0e0e0;
    text-decoration: none;
    transition: none;
}

.expansion-series-nav-jump-link:focus,
.expansion-series-nav-jump-link:hover {
    outline: none;
    background: transparent;
    color: #e0e0e0;
}

[data-theme="light"] .expansion-series-nav-jump-link {
    border-color: rgba(0,0,0,0.2);
    color: #333;
}

[data-theme="light"] .expansion-series-nav-jump-link:focus,
[data-theme="light"] .expansion-series-nav-jump-link:hover {
    background: transparent;
    color: #333;
}

.expansion-series-nav-jump-link.active {
    background: #fff !important;
    color: #000 !important;
    border-color: #fff !important;
    font-weight: 700;
}

[data-theme="light"] .expansion-series-nav-jump-link.active {
    background: #212529 !important;
    color: #fff !important;
    border-color: #212529 !important;
}

/* ===== 套組篩選模態框樣式 ===== */

/* 防止 modal 滾動穿透到背景 */
#setFilterModal .modal-body {
    overscroll-behavior: contain;
}

.entity-type-item {
    padding: 10px 12px;
    cursor: pointer;
    border-radius: 6px;
    transition: all 0.2s;
    font-weight: 600;
}

.entity-type-item:hover {
    background-color: #f8f9fa;
}

.entity-type-item .toggle-icon {
    transition: transform 0.2s;
}

.entity-type-item.expanded .toggle-icon {
    transform: rotate(90deg);
}

.series-item {
    padding: 8px 12px 8px 32px;
    cursor: pointer;
    border-radius: 4px;
    transition: all 0.2s;
    font-size: 0.95rem;
}

.series-item:hover {
    background-color: #e9ecef;
}

.series-item.active {
    background-color: #0d6efd;
    color: white;
}

.set-checkbox-item {
    padding: 10px 16px;
    cursor: pointer;
    transition: background 0.2s;
    border-radius: 4px;
}

.set-checkbox-item:hover {
    background-color: #f8f9fa;
}

.set-checkbox-item input[type="checkbox"] {
    cursor: pointer;
}

/* 已選套組標籤 */
.selected-set-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    background-color: #e7f3ff;
    border: 1px solid #0d6efd;
    border-radius: 20px;
    font-size: 0.9rem;
}

.selected-set-tag .remove-btn {
    cursor: pointer;
    color: #dc3545;
    font-weight: bold;
    margin-left: 4px;
}

.selected-set-tag .remove-btn:hover {
    color: #b02a37;
}

/* ===== 修正: 滾動定位偏移量 (避免被 Sticky Header 遮擋) ===== */
.series-section {
    scroll-margin-top: 60px;
}

/* ===== Dark Mode 樣式 ===== */
[data-theme="dark"] .entity-type-item:hover {
    background-color: #343a40;
}

[data-theme="dark"] .series-item:hover {
    background-color: #495057;
}

[data-theme="dark"] .series-item.active {
    background-color: #0d6efd;
}

[data-theme="dark"] .set-checkbox-item:hover {
    background-color: #343a40;
}

[data-theme="dark"] .selected-set-tag {
    background-color: #1a3a52;
    border-color: #0d6efd;
    color: #e9ecef;
}