.app-header {
            background-color: var(--header-bg);
            color: var(--header-text-color);
            padding: 0.7rem 1rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            box-shadow: 0 2px 5px var(--shadow-color);
            transition: top 0.3s ease-in-out;
            height: var(--header-height);
        }

        .header-icons {
            display: flex;
            align-items: center;
        }

        .app-header.hidden {
            top: calc(-1 * var(--header-height) - 10px);
        }

        .header-title {
            font-size: 1.6rem;
            font-weight: bold;
            color: var(--header-text-color);
        }

        .header-icons button {
            background: none;
            border: none;
            color: var(--header-icon-color);
            cursor: pointer;
            padding: 0.6rem;
            margin-left: 0.3rem;
            font-size: 1.2rem;
        }

        .header-icons button:hover {
            color: var(--header-icon-hover-color);
        }

        .header-icons i {
            vertical-align: middle;
        }

        .search-bar {
            width: 100%;
            display: flex;
            align-items: center;
            padding: 0.5rem 0.5rem;
            gap: 0;
            background-color: var(--header-bg);
        }

        .search-bar .clear-search-btn-inline {
            background: none;
            border: none;
            color: var(--header-icon-color);
            cursor: pointer;
            padding: 0.7rem 0.8rem;
            font-size: 1.1rem;
        }

        .search-bar .apply-search-btn-inline {
            display: none;
        }

        .search-bar .clear-search-btn-inline:hover {
            color: var(--header-icon-hover-color);
        }

        .search-bar input {
            flex-grow: 1;
            padding: 0.6rem;
            border: 1px solid rgba(255, 255, 255, 0.3);
            border-radius: 4px;
            font-size: 1rem;
            background-color: rgba(255, 255, 255, 0.15);
            color: white;
            margin: 0 0.5rem;
        }

        .search-bar input::placeholder {
            color: rgba(255, 255, 255, 0.7);
        }

        .active-filter-info-bar {
            background-color: var(--bg-color);
            color: var(--text-muted-color);
            padding: 0.6rem 1rem;
            font-size: 0.9rem;
            border-bottom: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .active-filter-text-container {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            align-items: center;
            flex-grow: 1;
            text-align: center;
        }

        .active-filter-info-bar .filter-label-text {
            color: var(--text-muted-color);
            margin-right: 0.3em;
            white-space: nowrap;
        }

        .active-filter-info-bar .filter-separator {
            margin-left: 0.3em;
            margin-right: 0.3em;
            color: var(--text-muted-color);
        }

        .active-filter-info-bar .active-tags-list span {
            background-color: var(--tag-filter-selected-bg);
            color: var(--tag-filter-selected-text);
            padding: 0.2rem 0.6rem;
            border-radius: 12px;
            margin: 0.2rem;
            font-size: 0.8rem;
            display: inline-block;
        }

        .active-filter-info-bar .active-search-term span {
            color: var(--tag-filter-selected-bg);
            font-weight: bold;
            font-size: 0.9rem;
            padding: 0.2rem 0.5rem;
            margin: 0.1rem 0.2rem;
            display: inline-block;
            border: 1px solid var(--border-color);
            border-radius: 12px;
            background-color: var(--card-bg-color);
        }

        body.dark-mode .active-filter-info-bar .active-search-term span {
            border-color: #555;
            background-color: var(--bg-color);
        }

        .active-filter-info-bar .excluded-tag-display {
            background-color: #D32F2F;
            color: white;
            padding: 0.2rem 0.6rem;
            border-radius: 12px;
            margin: 0.2rem;
            font-size: 0.8rem;
            display: inline-block;
        }

        .active-filter-info-bar .clear-filter-btn {
            background: none;
            border: none;
            color: var(--text-muted-color);
            font-size: 1.2rem;
            cursor: pointer;
            padding: 0 0.5rem;
            flex-shrink: 0;
            margin-left: auto;
        }

        .active-filter-info-bar .clear-filter-btn:hover {
            color: var(--primary-color);
        }


        .app-grid-section-header {
            font-size: 1.3rem;
            font-weight: 600;
            color: var(--grid-header-color);
            margin-top: 0;
            margin-bottom: 0.8rem;
            padding-bottom: 0.4rem;
            border-bottom: 2px solid var(--primary-color);
            grid-column: 1 / -1;
        }

        .app-grid > .app-grid-section-header ~ .app-grid-section-header {
            margin-top: 1.2rem;
        }

        .app-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            grid-auto-rows: min-content;
            gap: 1.5rem;
            padding: 1rem 1.5rem 1.5rem 1.5rem;
            flex-grow: 1;
        }

        @media (max-width: 400px) {
            .app-grid {
                grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            }
        }

        @media (max-width: 600px) {
            .app-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (min-width: 601px) and (max-width: 900px) {
            .app-grid {
                grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            }
        }

        @media (min-width: 1600px) {
            .app-grid {
                grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            }
        }

        @media (min-width: 1900px) {
            .app-grid {
                grid-template-columns: repeat(6, 1fr);
            }
        }

        .app-tile {
            background-color: var(--card-bg-color);
            border-radius: 8px;
            box-shadow: 0 4px 8px var(--shadow-color);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            transition: transform 0.2s ease-in-out, box-shadow 0.2s, opacity 0.3s;
            align-self: start;
        }

        .app-tile:hover {
            transform: translateY(-5px);
            box-shadow: 0 6px 12px var(--shadow-color);
        }

        .app-tile.dimmed {
            opacity: var(--dimmed-opacity);
        }

        .app-thumbnail {
            width: 100%;
            padding-top: 52.5%;
            background-size: cover;
            background-repeat: no-repeat;
            background-position: center;
            background-color: #e0e0e0;
            cursor: pointer;
        }

        .app-info-content {
            padding: 0.8rem;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
        }

        .app-title {
            font-size: var(--tile-title-font-size);
            font-weight: 600;
            margin-bottom: 0.2rem;
            color: var(--text-color);
            line-height: var(--tile-title-line-height);
            min-height: calc(var(--tile-title-line-height) * 1);
            max-height: calc(var(--tile-title-lines) * var(--tile-title-line-height));
            overflow: hidden;
            text-overflow: ellipsis;
            display: -webkit-box;
            -webkit-line-clamp: var(--tile-title-lines);
            -webkit-box-orient: vertical;
        }

        .app-tags {
            font-size: var(--tile-tag-font-size);
            color: var(--text-muted-color);
            margin-top: 0.1rem;
            margin-bottom: 0.4rem;
            padding: 0;
            line-height: var(--tile-tag-line-height);
            min-height: calc(var(--tile-tag-lines) * var(--tile-tag-line-height));
            max-height: calc(var(--tile-tag-lines) * var(--tile-tag-line-height));
            overflow: hidden;
            display: -webkit-box;
            -webkit-line-clamp: var(--tile-tag-lines);
            -webkit-box-orient: vertical;
            word-break: break-word;
        }

        .app-tags span {
            display: inline-block;
            background-color: var(--bg-color);
            border: 1px solid var(--border-color);
            padding: 0 0.2rem;
            border-radius: 3px;
            margin-right: 0.2rem;
            margin-bottom: 0.1rem;
        }

        .app-actions {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-top: auto;
            padding-top: 0.6rem;
            border-top: 1px solid var(--border-color);
        }

        .app-actions-left {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            min-height: 2em;
        }

        .app-actions-right {
            display: flex;
            align-items: center;
            gap: 0.3rem;
        }

        .app-actions button {
            background: none;
            border: none;
            color: var(--icon-color);
            cursor: pointer;
            padding: 0.5rem;
            font-size: 1.1rem;
        }

        .app-actions button:hover {
            color: var(--icon-hover-color);
        }

        .app-actions button i {
            vertical-align: middle;
        }

        .app-actions .launch-btn {
            background-color: var(--primary-color);
            color: white;
            padding: 0.5rem 0.8rem;
            border-radius: 5px;
            font-size: 0.9rem;
            font-weight: 500;
            line-height: 1.2;
        }

        .app-actions .launch-btn:hover {
            background-color: var(--primary-hover-color);
            color: white;
        }

        .app-actions .action-new-indicator {
            background-color: var(--new-indicator-bg);
            color: var(--new-indicator-text);
            padding: 0.25rem 0.5rem;
            border-radius: 10px;
            font-size: 0.7rem;
            font-weight: bold;
        }

        .app-actions .favorite-btn.is-favorite,
        .app-actions .favorite-btn.is-favorite i {
            color: var(--favorite-color);
        }

        .back-link-header-button {
            color: var(--header-text-color);
            text-decoration: none;
            font-size: 1rem;
            padding: 0.6rem 1rem;
            border-radius: 5px;
            background-color: transparent;
            border: 1px solid transparent;
            transition: background-color 0.2s, border-color 0.2s;
            display: flex;
            align-items: center;
        }

        .back-link-header-button:hover {
            background-color: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.3);
        }

        .back-link-header-button i {
            margin-right: 0.5rem;
        }