:root {
    --bg-primary: #000000; --bg-secondary: #000000; --bg-tertiary: #1a1a1a;
    --text-primary: #ffffff; --text-secondary: #71767b;
    --border-color: #2f3336; --accent-color: #5c68fc;
    --header-height: 60px; --sidebar-width: 260px;
    --success-color: #34c759; --error-color: #ff2442;
    --warning-color: #ff9500;
}
[data-theme="light"] {
    --bg-primary: #ffffff; --bg-secondary: #ffffff; --bg-tertiary: #f7f9fa;
    --text-primary: #0f1419; --text-secondary: #536471;
    --border-color: #eff3f4;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }
body { font-family: "PingFang SC", "Microsoft YaHei", sans-serif; background-color: var(--bg-primary); color: var(--text-primary); }
a { color: var(--accent-color); text-decoration: none; }
.site-wrapper { display: flex; flex-direction: column; min-height: 100%; }
.site-header {
    height: var(--header-height); display: flex; align-items: center; justify-content: space-between;
    padding: 0 24px; position: fixed; top: 0; width: 100%; z-index: 1000;
    background-color: var(--bg-primary); border-bottom: 1px solid var(--border-color);
}
[data-theme="light"] .site-header { background-color: var(--bg-primary); }
.header-left { display: flex; align-items: center; gap: 12px; }
.logo-link img { height: 32px; width: 32px; }
.site-title { font-size: 18px; font-weight: 600; }
.header-right { display: flex; align-items: center; gap: 16px; }
.search-bar {
    display: flex;
    align-items: center;
    background-color: var(--bg-secondary);
    border-radius: 24px;
    padding: 0 16px;
    position: relative;
    border: 1px solid var(--border-color);
    height: 38px;
    width: 300px;
    transition: all 0.2s;
}
.search-bar:focus-within {
    border-color: var(--accent-color);
    background-color: var(--bg-tertiary);
}
.search-bar input {
    background: transparent;
    border: none;
    outline: none;
    color: var(--text-primary);
    height: 100%;
    width: 100%;
    padding: 0 40px 0 50px;
    font-size: 15px;
}
.search-mode-switcher {
    position: absolute;
    left: 12px;
    background: none;
    padding: 0;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    width: auto;
    background-color: transparent;
    border-radius: 50%;
    cursor: pointer;
    color: var(--text-secondary);
    transition: all 0.2s;
}
.search-mode-switcher:hover {
    color: var(--accent-color);
}
.search-icon {
    position: absolute;
    right: 12px;
    color: var(--text-secondary);
}
.icon-moon, .icon-sun { display: block; }
[data-theme="dark"] .icon-sun { display: none; }
[data-theme="light"] .icon-moon { display: none; }
.icon-folder-search, .icon-global-search { 
    display: block; 
    color: var(--text-secondary);
}
.lang-dropdown {
    position: relative;
    margin-left: 12px;
}
.lang-dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    cursor: pointer;
    font-size: 15px;
    color: var(--text-primary);
    transition: all 0.2s;
    height: 38px;
}
.lang-dropdown-toggle:hover {
    background: var(--bg-tertiary);
    border-color: var(--text-secondary);
}
.lang-dropdown-toggle img {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    object-fit: cover;
}
.lang-dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 8px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    padding: 8px;
    min-width: 140px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1000;
}
.lang-dropdown.open .lang-dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.lang-dropdown-item {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    padding: 8px 12px;
    border: none;
    background: transparent;
    color: var(--text-primary);
    font-size: 15px;
    cursor: pointer;
    border-radius: 8px;
    transition: all 0.2s;
    text-align: left;
}
.lang-dropdown-item:hover {
    background: var(--bg-tertiary);
    color: var(--accent-color);
}
.lang-dropdown-item.active {
    background: rgba(92, 104, 246, 0.1);
    color: var(--accent-color);
    font-weight: 500;
}
.lang-dropdown-item img {
    width: 18px;
    height: 18px;
    border-radius: 50%;
}
.theme-switcher {
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    width: 38px;
    height: 38px;
    cursor: pointer;
    transition: all 0.2s;
}
.theme-switcher:hover {
    background-color: var(--bg-tertiary);
    border-color: var(--accent-color);
}
.column-slider-container { 
    display: flex; 
    align-items: center; 
    gap: 10px; 
    background-color: var(--bg-secondary); 
    border: 1px solid var(--border-color);
    border-radius: 24px; 
    padding: 8px 16px; 
    height: 38px;
}
.column-slider-container svg { color: var(--text-secondary); }
input[type=range].column-slider { 
    -webkit-appearance: none; 
    appearance: none; 
    width: 80px; 
    height: 6px; 
    background: var(--border-color); 
    cursor: pointer; 
    border-radius: 3px; 
    outline: none;
}
input[type=range].column-slider::-webkit-slider-track { 
    height: 6px; 
    background: var(--border-color); 
    border-radius: 3px; 
}
input[type=range].column-slider::-webkit-slider-thumb { 
    -webkit-appearance: none; 
    appearance: none; 
    width: 18px; 
    height: 18px; 
    background: var(--accent-color); 
    border-radius: 50%; 
    margin-top: 0px;
    cursor: pointer;
    transition: all 0.2s;
    box-shadow: 0 0 0 2px var(--bg-secondary);
}
input[type=range].column-slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
    box-shadow: 0 0 0 8px rgba(92, 104, 246, 0.1);
}
input[type=range].column-slider::-moz-range-track {
    height: 6px;
    background: var(--border-color);
    border-radius: 3px;
}
input[type=range].column-slider::-moz-range-thumb {
    width: 18px;
    height: 18px;
    background: var(--accent-color);
    border-radius: 50%;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
    box-shadow: 0 0 0 2px var(--bg-secondary);
}
input[type=range].column-slider::-moz-range-thumb:hover {
    transform: scale(1.2);
    box-shadow: 0 0 0 8px rgba(92, 104, 246, 0.1);
}
.login-button { 
    background-color: var(--accent-color); 
    color: #fff; 
    padding: 8px 16px; 
    border-radius: 24px; 
    font-weight: 500;
    transition: all 0.2s;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.login-button:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}
.user-profile { position: relative; padding-bottom: 10px; margin-bottom: -10px; }
.user-profile #user-avatar { width: 38px; height: 38px; border-radius: 50%; cursor: pointer; border: 2px solid var(--border-color); object-fit: cover; }
.user-profile .dropdown-menu {
    display: none; position: absolute; top: 100%; right: 0;
    background-color: var(--bg-tertiary); border-radius: 16px;
    border: 1px solid var(--border-color); box-shadow: 0 8px 20px rgba(0,0,0,0.2);
    min-width: 160px; z-index: 1001; padding: 8px;
}
.user-profile:hover .dropdown-menu { display: block; }
.dropdown-menu a, .dropdown-menu button {
    display: block; width: 100%; text-align: left; background: none; border: none;
    color: var(--text-primary); padding: 10px 12px; border-radius: 8px;
    font-size: 15px; cursor: pointer;
}
.dropdown-menu a:hover, .dropdown-menu button:hover { background-color: var(--accent-color); color: #fff; }
.dropdown-menu button { margin-top: 8px; border-top: 1px solid var(--border-color); padding-top: 10px; }
.page-container { flex: 1; display: flex; padding-top: var(--header-height); }
.sidebar-nav {
    width: var(--sidebar-width); height: calc(100vh - var(--header-height));
    position: sticky; top: var(--header-height);
    background-color: var(--bg-secondary); border-right: 1px solid var(--border-color);
    padding: 16px 0; overflow-y: auto;
    display: flex;
    flex-direction: column;
}
.sidebar-nav details { margin-bottom: 4px; }
.sidebar-nav summary, .sidebar-nav a { 
    display: flex; 
    align-items: center; 
    padding: 12px 20px; 
    color: var(--text-primary); 
    text-decoration: none; 
    cursor: pointer; 
    outline: none; 
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1); 
    border-radius: 24px;
    position: relative;
    overflow: hidden;
}
.sidebar-nav summary::before, .sidebar-nav a::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 100%;
    background: linear-gradient(90deg, var(--accent-color), rgba(92, 104, 246, 0.3));
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: -1;
}
.sidebar-nav summary:hover::before, .sidebar-nav a:hover::before {
    width: 100%;
}
.sidebar-nav summary { 
    display: flex; 
    justify-content: space-between; 
}
.sidebar-nav summary::after { 
    content: '▸'; 
    transition: transform 0.2s; 
    margin-left: 8px;
}
.sidebar-nav details[open] > summary::after { 
    transform: rotate(90deg); 
}
.sidebar-nav summary:hover, .sidebar-nav a:hover { 
    color: var(--text-primary); 
    transform: translateX(4px);
}
.sidebar-nav a.active { 
    color: #fff; 
    background: linear-gradient(90deg, var(--accent-color), rgba(92, 104, 246, 0.8));
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(92, 104, 246, 0.3);
}
.sidebar-nav .level-1 > summary, .sidebar-nav .level-1 > a { 
    font-weight: 600; 
    color: var(--text-primary); 
}
.sidebar-nav .level-2 { 
    padding-left: 20px; 
}
.sidebar-nav .level-3 { 
    padding-left: 40px; 
}
.announcement-section {
    margin-top: auto;
    padding: 16px;
    border-top: 1px solid var(--border-color);
}
.announcement-capsule {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
}
.announcement-capsule:hover {
    background-color: var(--accent-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(92, 104, 246, 0.3);
}
.announcement-capsule .material-icons {
    font-size: 18px;
}
.announcement-text {
    font-size: 15px;
    font-weight: 500;
}
.announcement-dot {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 8px;
    height: 8px;
    background-color: #ff2442;
    border-radius: 50%;
    animation: pulse 2s infinite;
}
@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(255, 36, 66, 0.7);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(255, 36, 66, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(255, 36, 66, 0);
    }
}
.main-content { flex: 1; padding: 24px; display: flex; flex-direction: column; }
.content-header {
    margin-bottom: 20px;
    padding: 16px;
    background-color: var(--bg-secondary);
    border-radius: 16px;
    border: 1px solid var(--border-color);
}
.sort-filter-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}
.sort-container, .filter-container, .view-mode-container {
    display: flex;
    align-items: center;
    gap: 12px;
}
.sort-container label, .view-mode-container label {
    color: var(--text-secondary);
    font-size: 15px;
}
.sort-dropdown, .view-mode-dropdown {
    position: relative;
    display: inline-block;
}
.sort-dropdown-toggle, .view-mode-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 8px 16px;
    font-size: 15px;
    cursor: pointer;
    transition: all 0.2s;
    min-width: 150px;
    height: 38px;
}
.sort-dropdown-toggle:hover, .view-mode-toggle:hover {
    border-color: var(--accent-color);
}
.sort-dropdown-toggle .material-icons, .view-mode-toggle .material-icons {
    font-size: 18px;
    margin-left: auto;
    transition: transform 0.2s;
}
.sort-dropdown.open .sort-dropdown-toggle .material-icons,
.view-mode-dropdown.open .view-mode-toggle .material-icons {
    transform: rotate(180deg);
}
.sort-dropdown-menu, .view-mode-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    margin-top: 8px;
    z-index: 100;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.2s;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    padding: 8px;
}
.sort-dropdown.open .sort-dropdown-menu,
.view-mode-dropdown.open .view-mode-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.sort-dropdown-item, .view-mode-item {
    display: block;
    width: 100%;
    padding: 10px 12px;
    background: none;
    border: none;
    color: var(--text-primary);
    text-align: left;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 15px;
    border-radius: 8px;
}
.sort-dropdown-item:hover, .view-mode-item:hover {
    background-color: var(--accent-color);
    color: white;
}
.sort-dropdown-item.active, .view-mode-item.active {
    background-color: var(--accent-color);
    color: white;
}
.filter-btn {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 8px 16px;
    font-size: 15px;
    cursor: pointer;
    transition: all 0.2s;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.filter-btn:hover {
    background-color: var(--accent-color);
    color: #fff;
    border-color: var(--accent-color);
}
.filter-btn.active {
    background-color: var(--accent-color);
    color: #fff;
    border-color: var(--accent-color);
}
.collections-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding: 16px;
    background-color: var(--bg-secondary);
    border-radius: 16px;
    border: 1px solid var(--border-color);
}
.collections-controls .search-bar {
    flex: 1;
    max-width: 300px;
}
.collections-controls .sort-container {
    flex-shrink: 0;
}
.case-grid { 
    column-count: var(--columns, 5);
    column-gap: 20px;
    width: 100%;
}
.case-item { 
    background-color: transparent; 
    border-radius: 0; 
    overflow: hidden; 
    position: relative; 
    margin-bottom: 20px;
    break-inside: avoid;
    display: inline-block;
    width: 100%;
}
.case-item img, .case-item video { 
    width: 100%; 
    height: auto; 
    display: block; 
    cursor: pointer; 
    user-select: none; 
    -webkit-user-drag: none; 
    border-radius: 16px;
    transition: transform 0.2s;
}
.case-item:hover img, .case-item:hover video {
    transform: scale(1.02);
}
.case-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(0,0,0,0) 50%, rgba(0,0,0,0.8) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 16px;
    pointer-events: none;
    border-radius: 16px;
}
.case-item:hover .case-overlay {
    opacity: 1;
    pointer-events: auto;
}
.expand-btn {
    align-self: flex-end;
    background: rgba(0, 0, 0, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s;
    padding: 0;
}
.expand-btn:hover {
    background: rgba(0, 0, 0, 0.9);
    border-color: white;
    transform: scale(1.1);
}
.case-info-bottom {
    width: 100%;
}
.file-name {
    color: white;
    font-size: 15px;
    font-weight: 500;
    margin-bottom: 12px;
    text-shadow: 0 1px 2px rgba(0,0,0,0.5);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.action-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}
.action-btn {
    background: transparent;
    border: none;
    color: rgba(255, 255, 255, 0.8);
    cursor: pointer;
    padding: 8px;
    display: flex;
    align-items: center;
    gap: 4px;
    transition: all 0.2s;
    border-radius: 50%;
    width: 36px;
    height: 36px;
    justify-content: center;
}
.action-btn:hover {
    color: white;
    transform: scale(1.1);
    background: rgba(255, 255, 255, 0.1);
}
.action-btn.liked {
    color: #ff2442;
}
.action-btn.collected {
    color: var(--accent-color);
}
.like-count {
    font-size: 12px;
    font-weight: 500;
}
.pagination { display: flex; justify-content: center; align-items: center; margin-top: auto; padding-top: 40px; gap: 8px; user-select: none; }
.pagination a, .pagination span { display: inline-flex; align-items: center; justify-content: center; min-width: 38px; height: 38px; padding: 0 8px; border-radius: 50%; color: var(--text-secondary); background-color: var(--bg-secondary); }
.pagination a { cursor: pointer; }
.pagination a:hover { background-color: var(--bg-tertiary); }
.pagination a.active { background-color: var(--accent-color); color: white; font-weight: 600; }
.pagination-jump { gap: 8px; }
.pagination-jump input { 
    width: 50px; 
    height: 38px; 
    text-align: center; 
    border: 1px solid var(--border-color); 
    background-color: var(--bg-secondary); 
    color: var(--text-primary); 
    border-radius: 50%; 
    margin: 0 4px;
}
.pagination-jump input::-webkit-outer-spin-button,
.pagination-jump input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}
.loading-spinner { border: 4px solid var(--border-color); border-top: 4px solid var(--accent-color); border-radius: 50%; width: 40px; height: 40px; animation: spin 1s linear infinite; margin: 80px auto; }
@keyframes spin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }
.modal-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.8); display: none; align-items: center; justify-content: center; z-index: 2000; }
.modal-overlay.visible { display: flex; }
.modal-content { background-color: var(--bg-tertiary); padding: 30px; border-radius: 16px; max-width: 450px; width: 90%; position: relative; border: 1px solid var(--border-color); }
.modal-close { position: absolute; top: 15px; right: 15px; background: none; border: none; color: var(--text-secondary); font-size: 24px; cursor: pointer; }
.modal-content h3 { margin-bottom: 20px; }
.modal-content #modal-body p { margin-bottom: 24px; }
.modal-subscribe-btn { display: block; width: 100%; text-align: center; background-color: var(--accent-color); color: #fff; padding: 12px; border-radius: 24px; }

.announcement-modal-content {
    background-color: var(--bg-tertiary);
    border-radius: 16px;
    max-width: 600px;
    width: 90%;
    max-height: 80vh;
    position: relative;
    display: flex;
    flex-direction: column;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    border: 1px solid var(--border-color);
}

.announcement-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 24px 16px;
    border-bottom: 1px solid var(--border-color);
}

.announcement-modal-header h3 {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.announcement-modal-header h3 .material-icons {
    color: var(--accent-color);
}

.announcement-modal-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 24px;
    cursor: pointer;
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.2s;
}

.announcement-modal-close:hover {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
}

.announcement-modal-body {
    flex: 1;
    overflow-y: auto;
    padding: 24px;
}

.announcement-item {
    background-color: var(--bg-secondary);
    border-radius: 12px;
    padding: 20px;
    border: 1px solid var(--border-color);
}

.announcement-item h4 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.announcement-time {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.announcement-content {
    line-height: 1.6;
    color: var(--text-primary);
    white-space: pre-wrap;
}

.announcement-modal-footer {
    padding: 16px 24px 24px;
    border-top: 1px solid var(--border-color);
}

.acknowledge-btn {
    width: 100%;
    height: 48px;
    border: none;
    border-radius: 24px;
    background-color: var(--accent-color);
    color: white;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.acknowledge-btn:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

.media-modal-content {
    background-color: var(--bg-tertiary);
    border-radius: 20px;
    max-width: 95%;
    width: 1400px;
    max-height: 90vh;
    position: relative;
    display: flex;
    flex-direction: column;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.ai-generated-banner {
    background-color: var(--bg-secondary);
    color: var(--text-secondary);
    text-align: center;
    padding: 12px;
    font-size: 14px;
    border-bottom: 1px solid var(--border-color);
}

.media-modal-container {
    display: flex;
    flex: 1;
    overflow: hidden;
    height: 100%;
}

.media-left, .media-right {
    padding: 30px;
    display: flex;
    flex-direction: column;
    background-color: var(--bg-secondary);
    flex: 1;
}

.media-display {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    border-radius: 16px;
    background-color: var(--bg-primary);
    min-height: 400px;
}

#modal-media {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    border-radius: 12px;
}

.media-actions {
    margin-top: 24px;
    display: flex;
    justify-content: center;
    gap: 12px;
}

.action-btn-modal {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    border-radius: 24px;
    border: none;
    background-color: var(--bg-tertiary);
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 15px;
    font-weight: 500;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.action-btn-modal:hover {
    background-color: var(--accent-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.2);
}


[data-theme="light"] .action-btn-modal {
    color: var(--text-primary);
    background-color: var(--bg-tertiary);
}

[data-theme="light"] .action-btn-modal:hover {
    color: white;
    background-color: var(--accent-color);
}

.action-btn-modal svg {
    width: 18px;
    height: 18px;
}

.prompt-content {
    flex: 1;
    background-color: var(--bg-primary);
    border-radius: 16px;
    padding: 20px;
    overflow-y: auto;
    margin-bottom: 20px;
    white-space: pre-wrap;
    word-wrap: break-word;
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', monospace;
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    min-height: 300px;
}

.prompt-hidden {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--text-secondary);
    text-align: center;
}

.prompt-hidden svg {
    width: 48px;
    height: 48px;
    margin-bottom: 16px;
    opacity: 0.5;
}

.prompt-hidden p {
    font-size: 16px;
}

.prompt-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
}
.form-page-container { display: flex; align-items: center; justify-content: center; min-height: 100vh; padding: 20px; }
.form-box { width: 100%; max-width: 400px; background-color: var(--bg-secondary); padding: 40px; border-radius: 16px; text-align: center; border: 1px solid var(--border-color); }

.form-logo { 
    display: inline-block; 
    margin-bottom: 24px; 
    background-color: var(--bg-primary); 
    border-radius: 50%; 
    padding: 0px; 
}
.form-logo img { 
    width: 60px; 
    height: 60px; 
    border-radius: 50%; 
    object-fit: cover; 
    display: block; 
}



.form-box h1 { font-size: 24px; margin-bottom: 32px; color: var(--text-primary); }
.form-group { margin-bottom: 20px; text-align: left; }
.form-group label { display: block; margin-bottom: 8px; font-size: 15px; color: var(--text-secondary); }
.form-group input { width: 100%; height: 48px; background-color: var(--bg-primary); border: 1px solid var(--border-color); border-radius: 8px; padding: 0 16px; color: var(--text-primary); font-size: 15px; }
.form-group input:focus { border-color: var(--accent-color); outline: none; }
.form-group textarea { width: 100%; min-height: 120px; background-color: var(--bg-primary); border: 1px solid var(--border-color); border-radius: 8px; padding: 12px 16px; color: var(--text-primary); font-size: 15px; resize: vertical; font-family: inherit; }
.form-group textarea:focus { border-color: var(--accent-color); outline: none; }
.checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    margin-bottom: 20px;
    padding: 12px 16px;
    background-color: var(--bg-tertiary);
    border-radius: 8px;
    border: 1px solid var(--border-color);
    transition: all 0.2s;
}

.checkbox-group input[type="checkbox"] {
    width: 16px;
    height: 16px;
    margin: 2px 0 0 0;
    flex-shrink: 0;
    cursor: pointer;
    accent-color: var(--accent-color);
}

.checkbox-group label {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.4;
    cursor: pointer;
    user-select: none;
    flex: 1;
}

.checkbox-group label a {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 500;
}

.checkbox-group label a:hover {
    text-decoration: underline;
}

.checkbox-group:hover {
    background-color: var(--bg-secondary);
    border-color: var(--accent-color);
}

.checkbox-group:hover label {
    color: var(--text-primary);
}

.form-actions {
    margin-top: 20px;
    margin-bottom: 20px;
}
.google-signin-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 48px;
    border: 1px solid var(--border-color);
    border-radius: 24px;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    gap: 12px;
}
.google-signin-btn:hover {
    background-color: var(--bg-tertiary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}
.google-icon {
    width: 20px;
    height: 20px;
}
.form-submit-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 48px;
    border: none;
    border-radius: 24px;
    background-color: var(--accent-color);
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    margin-top: 16px;
    text-decoration: none;
}
.form-submit-btn:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}
.form-switch { margin-top: 24px; color: var(--text-secondary); font-size: 14px; }
.form-switch a { font-weight: 500; }
.site-footer-bottom { text-align: center; padding: 20px; background-color: var(--bg-primary); border-top: 1px solid var(--border-color); color: var(--text-secondary); font-size: 14px; flex-shrink: 0; }
.subscribe-page-container {
    max-width: 900px;
    margin: auto;
    padding: 60px 24px;
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: calc(100vh - var(--header-height));
}
.subscribe-header h1 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 16px;
}
.subscribe-header p {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 500px;
    margin: 0 auto 60px auto;
}
.pricing-plans {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
}
.plan-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 40px;
    text-align: left;
    display: flex;
    flex-direction: column;
    transition: transform 0.2s, box-shadow 0.2s;
}
.plan-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
}
.plan-card.popular {
    border-color: var(--accent-color);
    position: relative;
}
.popular-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--accent-color);
    color: #fff;
    padding: 6px 12px;
    border-radius: 99px;
    font-size: 12px;
    font-weight: 600;
}
.plan-name {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 24px;
}
.plan-price {
    margin-bottom: 32px;
}
.price-currency {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-secondary);
    vertical-align: super;
    margin-right: 4px;
}
.price-amount {
    font-size: 48px;
    font-weight: 700;
    line-height: 1;
}
.price-period {
    font-size: 16px;
    color: var(--text-secondary);
}
.plan-features {
    list-style: none;
    margin-bottom: 40px;
    flex-grow: 1;
}
.plan-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
    font-size: 16px;
}
.plan-features svg {
    color: var(--accent-color);
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}
.subscribe-button {
    width: 100%;
    height: 48px;
    border: none;
    border-radius: 24px;
    background-color: var(--accent-color);
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.2s;
}
.subscribe-button:hover {
    opacity: 0.85;
    transform: translateY(-1px);
}
.plan-card:not(.popular) .subscribe-button {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
}
.dashboard-container {
    display: flex;
    padding-top: var(--header-height);
    height: 100vh;
}
.dashboard-sidebar {
    width: 280px;
    background-color: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    padding: 24px;
    flex-shrink: 0;
}
.user-avatar-section {
    text-align: center;
    padding: 20px 0;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 20px;
}
#user-avatar-large {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 16px;
    border: 3px solid var(--bg-tertiary);
}
.user-email-sidebar {
    font-size: 15px;
    color: var(--text-secondary);
    word-break: break-all;
}
.user-uid-sidebar {
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 4px;
    opacity: 0.8;
    word-break: break-all;
}
.dashboard-nav {
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.nav-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 14px 18px;
    border-radius: 24px;
    color: var(--text-primary);
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    transition: all 0.2s;
    border: none;
    background: none;
    width: 100%;
    cursor: pointer;
    text-align: left;
}
.nav-item:hover {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
}
.nav-item.active {
    background-color: var(--accent-color);
    color: #fff;
}
.nav-item svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}
.delete-account-nav {
    margin-top: auto;
    color: var(--text-secondary);
}
.delete-account-nav:hover {
    background-color: rgba(255, 36, 66, 0.1);
    color: #ff2442;
}
.delete-account-nav.active {
    background-color: #ff2442;
    color: #fff;
}
.logout-btn {
    color: #ff2442;
}
.logout-btn:hover {
    background-color: rgba(255, 36, 66, 0.1);
    color: #ff2442;
}
.dashboard-content {
    flex-grow: 1;
    padding: 40px;
    overflow-y: auto;
}
.content-section {
    display: none;
}
.content-section.active {
    display: block;
}
.dashboard-content h1 {
    font-size: 28px;
    margin-bottom: 30px;
}
.user-content-box {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 40px;
}
.user-content-box h2 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 24px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 12px;
}
.info-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    border-bottom: 1px solid var(--border-color);
}
.info-row:first-of-type {
    padding-top: 0;
}
.info-row:last-of-type {
    border-bottom: none;
}
.info-label {
    font-size: 16px;
    color: var(--text-secondary);
}
.info-value {
    font-size: 16px;
    font-weight: 500;
}
.status-badge {
    padding: 6px 12px;
    border-radius: 99px;
    font-size: 14px;
    font-weight: 600;
}
.status-badge.subscribed {
    background-color: #34c759;
    color: #fff;
}
.status-badge.not-subscribed {
    background-color: var(--bg-tertiary);
    color: var(--text-secondary);
}
.terms-content, .privacy-content {
    line-height: 1.6;
}
.terms-content h2, .privacy-content h2 {
    margin-top: 32px;
    margin-bottom: 16px;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 8px;
}
.terms-content p, .privacy-content p {
    margin-bottom: 16px;
    color: var(--text-secondary);
}
.terms-content ul, .privacy-content ul {
    margin: 16px 0;
    padding-left: 24px;
}
.terms-content li, .privacy-content li {
    margin-bottom: 8px;
    color: var(--text-secondary);
}
.current-subscription {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 24px;
    margin-bottom: 40px;
    text-align: left;
}
.current-subscription h2 {
    font-size: 20px;
    margin-bottom: 16px;
    color: var(--text-primary);
}
.subscription-info p {
    margin-bottom: 8px;
    color: var(--text-secondary);
}
.subscription-info span {
    font-weight: 500;
    color: var(--text-primary);
}
.terms-privacy-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 80px 24px 40px;
}
.terms-privacy-content h1 {
    text-align: center;
    margin-bottom: 40px;
    font-size: 32px;
    font-weight: 700;
}
.about-container {
    display: flex;
    padding-top: var(--header-height);
    min-height: calc(100vh - var(--header-height));
}
.about-sidebar {
    width: 260px;
    background-color: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    padding: 24px 0;
    flex-shrink: 0;
    position: sticky;
    top: var(--header-height);
    height: calc(100vh - var(--header-height));
    overflow-y: auto;
}
.about-nav {
    padding: 0 16px;
}
.nav-section {
    margin-bottom: 24px;
}
.nav-section h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
    padding: 0 8px;
}
.nav-section ul {
    list-style: none;
}
.nav-section li {
    margin-bottom: 4px;
}
.nav-link {
    display: block;
    padding: 8px 12px;
    color: var(--text-primary);
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.2s;
    font-size: 15px;
}
.nav-link:hover {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
}
.nav-link.active {
    background-color: var(--accent-color);
    color: white;
}
.about-main {
    flex: 1;
    padding: 40px;
    overflow-y: auto;
    position: relative;
}
.about-section {
    display: none;
}
.about-section.active {
    display: block;
}
.about-section h2 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 24px;
    color: var(--text-primary);
}
.update-item, .maintenance-item {
    background-color: var(--bg-secondary);
    border-radius: 16px;
    padding: 24px;
    margin-bottom: 20px;
    border: 1px solid var(--border-color);
}
.update-item h3, .maintenance-item h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
}
.update-time, .maintenance-time {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 16px;
}
.update-content, .maintenance-content {
    line-height: 2.0;
}
.update-content h4, .maintenance-content h4 {
    font-size: 16px;
    font-weight: 600;
    margin: 16px 0 8px;
    color: var(--text-primary);
}
.update-content ul, .maintenance-content ul {
    margin-left: 20px;
    margin-bottom: 12px;
}
.update-content li, .maintenance-content li {
    margin-bottom: 4px;
    color: var(--text-secondary);
}
.follow-content {
    line-height: 1.6;
}
.social-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin: 24px 0;
}
.social-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    background-color: var(--bg-secondary);
    border-radius: 12px;
    text-decoration: none;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    transition: all 0.2s;
}
.social-link:hover {
    background-color: var(--bg-tertiary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}
.social-link .material-icons {
    color: var(--accent-color);
}
.qr-codes {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-top: 32px;
}
.qr-code {
    text-align: center;
}
.qr-code img {
    width: 120px;
    height: 120px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 8px;
    background-color: white;
    margin-bottom: 8px;
}
.qr-code p {
    font-size: 14px;
    color: var(--text-secondary);
}
.contact-content {
    line-height: 1.6;
}
.contact-info {
    margin: 24px 0;
}
.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 20px;
    padding: 16px;
    background-color: var(--bg-secondary);
    border-radius: 12px;
    border: 1px solid var(--border-color);
}
.contact-item .material-icons {
    color: var(--accent-color);
    font-size: 24px;
    margin-top: 2px;
}
.contact-item h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 4px;
    color: var(--text-primary);
}
.contact-item p {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 2px;
}
.contact-form {
    margin-top: 32px;
    padding: 24px;
    background-color: var(--bg-secondary);
    border-radius: 12px;
    border: 1px solid var(--border-color);
}
.contact-form h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--text-primary);
}
.page-navigation {
    display: flex;
    justify-content: space-between;
    margin-top: 40px;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
}
.nav-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.2s;
    font-size: 15px;
}
.nav-btn:hover {
    background-color: var(--bg-tertiary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}
.nav-btn .material-icons {
    font-size: 18px;
}
.about-outline {
    width: 240px;
    flex-shrink: 0;
    position: sticky;
    top: calc(var(--header-height) + 40px);
    height: fit-content;
    max-height: calc(100vh - var(--header-height) - 80px);
    overflow-y: auto;
}
.outline-container {
    background-color: var(--bg-secondary);
    border-radius: 16px;
    padding: 20px;
    border: 1px solid var(--border-color);
}
.outline-container h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-primary);
}
.outline-section {
    margin-bottom: 16px;
}
.outline-section h4 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-secondary);
}
.outline-section ul {
    list-style: none;
}
.outline-section li {
    margin-bottom: 4px;
}
.outline-link {
    display: block;
    padding: 6px 8px;
    color: var(--text-primary);
    text-decoration: none;
    border-radius: 6px;
    transition: all 0.2s;
    font-size: 14px;
}
.outline-link:hover {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
}
.outline-link.active {
    background-color: var(--accent-color);
    color: white;
}
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: var(--accent-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
    z-index: 1000;
    box-shadow: 0 4px 12px rgba(92, 104, 246, 0.3);
}
.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}
.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(92, 104, 246, 0.4);
}
.back-to-top svg {
    width: 24px;
    height: 24px;
    fill: white;
}
.back-to-top .rocket {
    position: relative;
    animation: rocket-shake 2s infinite;
}
@keyframes rocket-shake {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}
.back-to-top .flame {
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 16px;
    height: 20px;
    background: linear-gradient(to bottom, #ff9800, #ff2442);
    border-radius: 50% 50% 50% 50% / 60% 60% 40% 40%;
    opacity: 0;
    animation: flame 0.5s infinite alternate;
}
@keyframes flame {
    0% {
        opacity: 0.6;
        transform: translateX(-50%) scaleY(1);
    }
    100% {
        opacity: 1;
        transform: translateX(-50%) scaleY(1.2);
    }
}
.back-to-top:hover .flame {
    opacity: 1;
}
.icon-hover {
    color: var(--text-secondary);
    transition: all 0.2s;
}
.icon-hover:hover {
    color: var(--accent-color);
    transform: scale(1.1);
}
@keyframes success-pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
    }
}
.success-animation {
    animation: success-pulse 0.4s ease-in-out;
}
.btn-success {
    background-color: #34c759 !important;
    color: white !important;
    border-color: #34c759 !important;
}
@media (max-width: 1200px) {
    .about-outline {
        display: none;
    }
}
@media (max-width: 768px) {
    .about-container {
        flex-direction: column;
    }
    .about-sidebar {
        width: 100%;
        height: auto;
        position: static;
    }
    .about-main {
        padding: 20px;
    }
    .social-links {
        grid-template-columns: 1fr;
    }
    .qr-codes {
        flex-direction: column;
        align-items: center;
        gap: 20px;
    }
}

.downloads-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding: 16px;
    background-color: var(--bg-secondary);
    border-radius: 16px;
    border: 1px solid var(--border-color);
}

.downloads-controls .search-bar {
    flex: 1;
    max-width: 300px;
}

.downloads-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.download-item {
    background-color: var(--bg-secondary);
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: transform 0.2s ease-out;
}

.download-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.download-media img,
.download-media video {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
}

.download-info {
    padding: 16px;
}

.download-info h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.download-path {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.download-time {
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.download-actions {
    display: flex;
    gap: 8px;
}

.download-again-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    background-color: var(--accent-color);
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-size: 14px;
    transition: all 0.2s;
}

.download-again-btn:hover {
    opacity: 0.85;
}

.collections-controls .sort-dropdown,
.downloads-controls .sort-dropdown {
    position: relative;
    display: inline-block;
}

.collections-controls .sort-dropdown-toggle,
.downloads-controls .sort-dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 8px 16px;
    font-size: 15px;
    cursor: pointer;
    transition: all 0.2s;
    min-width: 150px;
    height: 38px;
}

.collections-controls .sort-dropdown-toggle:hover,
.downloads-controls .sort-dropdown-toggle:hover {
    border-color: var(--accent-color);
}

.collections-controls .sort-dropdown-toggle .material-icons,
.downloads-controls .sort-dropdown-toggle .material-icons {
    font-size: 18px;
    margin-left: auto;
    transition: transform 0.2s;
}

.collections-controls .sort-dropdown.open .sort-dropdown-toggle .material-icons,
.downloads-controls .sort-dropdown.open .sort-dropdown-toggle .material-icons {
    transform: rotate(180deg);
}

.collections-controls .sort-dropdown-menu,
.downloads-controls .sort-dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    margin-top: 8px;
    z-index: 100;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.2s;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    padding: 8px;
}

.collections-controls .sort-dropdown.open .sort-dropdown-menu,
.downloads-controls .sort-dropdown.open .sort-dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.collections-controls .sort-dropdown-item,
.downloads-controls .sort-dropdown-item {
    display: block;
    width: 100%;
    padding: 10px 12px;
    background: none;
    border: none;
    color: var(--text-primary);
    text-align: left;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 15px;
    border-radius: 8px;
}

.collections-controls .sort-dropdown-item:hover,
.downloads-controls .sort-dropdown-item:hover {
    background-color: var(--accent-color);
    color: white;
}

.collections-controls .sort-dropdown-item.active,
.downloads-controls .sort-dropdown-item.active {
    background-color: var(--accent-color);
    color: white;
}

.collections-controls select,
.downloads-controls select {
    display: none;
}

::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
    transition: background 0.2s;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

.custom-alert {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 16px 20px;
    border-radius: 12px;
    color: white;
    font-weight: 500;
    z-index: 9999;
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 300px;
    max-width: 500px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
    transform: translateX(400px);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.custom-alert.show {
    transform: translateX(0);
}

.custom-alert.success {
    background: linear-gradient(135deg, var(--success-color), #28a745);
}

.custom-alert.error {
    background: linear-gradient(135deg, var(--error-color), #dc3545);
}

.custom-alert.warning {
    background: linear-gradient(135deg, var(--warning-color), #fd7e14);
}

.custom-alert.info {
    background: linear-gradient(135deg, var(--accent-color), #0056b3);
}

.custom-alert .material-icons {
    font-size: 20px;
}

.custom-alert-close {
    margin-left: auto;
    background: none;
    border: none;
    color: white;
    font-size: 20px;
    cursor: pointer;
    padding: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: background 0.2s;
}

.custom-alert-close:hover {
    background: rgba(255, 255, 255, 0.2);
}

.danger-zone {
    border: 1px solid var(--error-color);
}

.danger-zone h2 {
    color: var(--error-color);
    border-bottom-color: var(--error-color);
}

.warning-text {
    color: var(--text-secondary);
    margin-bottom: 24px;
    line-height: 1.6;
}

.confirm-phrase {
    font-weight: bold;
    color: var(--text-primary);
    user-select: all;
}

.btn-danger {
    background-color: var(--error-color);
}

.btn-danger:disabled {
    background-color: var(--bg-tertiary);
    color: var(--text-secondary);
    cursor: not-allowed;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 10px;
    font-size: 15px;
}

.data-table th,
.data-table td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.data-table th {
    color: var(--text-secondary);
    font-weight: 500;
}

.data-table td {
    color: var(--text-primary);
}

.data-table tr:last-child td {
    border-bottom: none;
}

.status-badge-sm {
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 500;
}

.status-badge-sm.completed {
    background-color: rgba(52, 199, 89, 0.2);
    color: #34c759;
}

.status-badge-sm.pending {
    background-color: rgba(255, 149, 0, 0.2);
    color: #ff9500;
}

.status-badge-sm.failed {
    background-color: rgba(255, 36, 66, 0.2);
    color: #ff2442;
}

@media (max-width: 768px) {
    .data-table {
        display: block;
        overflow-x: auto;
        white-space: nowrap;
    }
}