/* GAMEHUB - Steam-inspired Dark Theme Design System (v3.3) */

:root {
    --bg-dark: #0f141d;
    --bg-card: #1b2838;
    --bg-card-hover: #2a3f5a;
    --bg-header: #171d25;
    --bg-subheader: #121822;
    --accent-blue: #1b2838;
    --accent-glow: #66c0f4;
    --accent-hover: #417a9b;
    --btn-steam: #a4d007;
    --text-primary: #f3f3f3;
    --text-secondary: #8f98a0;
    --border-color: #2a3848;
    --font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body.dark-theme {
    background-color: var(--bg-dark);
    color: var(--text-primary);
    font-family: var(--font-family);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header */
.app-header {
    background-color: var(--bg-header);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
}

/* Clickable Brand Header Logo */
.header-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    user-select: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
}

.header-brand:hover {
    opacity: 0.9;
    transform: scale(1.02);
}

.header-brand:hover .brand-title {
    color: var(--accent-glow);
    text-shadow: 0 0 10px rgba(102, 192, 244, 0.4);
}

.brand-icon {
    width: 28px;
    height: 28px;
    color: var(--accent-glow);
}

.brand-title {
    font-size: 1.25rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    color: #ffffff;
    transition: color 0.2s ease, text-shadow 0.2s ease;
}

/* Search bar & Collection Toggle [FRW-05] */
.header-search {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex: 1;
    max-width: 800px;
}

.collection-toggle-pill {
    display: flex;
    background-color: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 3px;
    flex-shrink: 0;
}

.coll-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 0.8rem;
    font-weight: 700;
    padding: 6px 14px;
    border-radius: 16px;
    cursor: pointer;
    user-select: none;
    transition: all 0.2s ease;
}

.coll-btn.active {
    background-color: #2a475e;
    color: var(--accent-glow);
    box-shadow: 0 0 10px rgba(102, 192, 244, 0.35);
}

.search-input-wrapper {
    position: relative;
    flex: 1;
}

.search-icon {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    color: var(--text-secondary);
}

#global-search-input {
    width: 100%;
    background-color: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 0.6rem 2.5rem 0.6rem 2.5rem;
    color: var(--text-primary);
    font-size: 0.95rem;
    outline: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

#global-search-input:focus {
    border-color: var(--accent-glow);
    box-shadow: 0 0 10px rgba(102, 192, 244, 0.2);
}

/* Sync Wishlist Button */
.btn-sync-wishlist {
    background: linear-gradient(135deg, #a4d007 0%, #7ca100 100%);
    color: #0d121a;
    font-weight: 700;
    font-size: 0.85rem;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    border: none;
    cursor: pointer;
    box-shadow: 0 0 12px rgba(164, 208, 7, 0.4);
    transition: all 0.2s ease;
    white-space: nowrap;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-sync-wishlist:hover {
    transform: translateY(-1px);
    box-shadow: 0 0 18px rgba(164, 208, 7, 0.7);
}

.btn-sync-wishlist.hidden {
    display: none !important;
}

/* Clear Search Pill Button */
.btn-clear-search-pill {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    background: #2a3848;
    color: var(--text-secondary);
    border: none;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    font-size: 14px;
    line-height: 18px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.btn-clear-search-pill:hover {
    background-color: var(--accent-glow);
    color: var(--bg-dark);
}

.btn-clear-search-pill.hidden {
    display: none;
}

.layout-toggle-pill {
    display: flex;
    background-color: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 3px;
    flex-shrink: 0;
}

.toggle-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    padding: 6px 12px;
    border-radius: 16px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.toggle-btn svg {
    width: 16px;
    height: 16px;
}

.toggle-btn.active {
    background-color: #2a475e;
    color: #ffffff;
}

/* Sub-Header A-Z Alphabet Navigation Bar */
.app-alphabet-subheader {
    background-color: var(--bg-subheader);
    border-bottom: 1px solid var(--border-color);
    padding: 0.6rem 1.5rem;
    display: flex;
    justify-content: center;
    width: 100%;
}

.alphabet-nav-bar {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
    flex-wrap: wrap;
    max-width: 1200px;
    width: 100%;
}

.letter-pill {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 0.8rem;
    font-weight: 600;
    padding: 5px 10px;
    border-radius: 14px;
    cursor: pointer;
    user-select: none;
    transition: all 0.15s ease;
    flex-shrink: 0;
    position: relative;
}

.letter-pill:hover {
    color: #ffffff;
    background-color: var(--bg-card-hover);
    border-color: var(--accent-glow);
}

.letter-pill.active {
    background: linear-gradient(135deg, #1b2838, #2a475e) !important;
    color: var(--accent-glow) !important;
    font-weight: 800 !important;
    border-color: var(--accent-glow) !important;
    box-shadow: 0 0 14px rgba(102, 192, 244, 0.6) !important;
}

/* [BUG-0006 FIX] High Contrast Highlights for letters with games */
.letter-pill.has-games {
    background-color: #2a475e !important;
    color: #ffffff !important;
    border-color: #66c0f4 !important;
    font-weight: 700 !important;
    box-shadow: 0 0 8px rgba(102, 192, 244, 0.4) !important;
}

.letter-pill.no-games {
    opacity: 0.35 !important;
    background-color: rgba(20, 30, 42, 0.4) !important;
    color: #55606e !important;
    border-color: transparent !important;
}

/* Responsive Touch Scroll for Mobile Views */
@media (max-width: 768px) {
    .app-alphabet-subheader {
        padding: 0.5rem 1rem;
        justify-content: flex-start;
    }
    
    .alphabet-nav-bar {
        flex-wrap: nowrap;
        overflow-x: auto;
        justify-content: flex-start;
        padding-bottom: 4px;
        scrollbar-width: none;
    }

    .alphabet-nav-bar::-webkit-scrollbar {
        display: none;
    }

    .letter-pill {
        padding: 4px 8px;
        font-size: 0.75rem;
    }
}

/* Main Workspace */
.app-workspace {
    padding: 2rem;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

/* Grid Layout & Uniform Tile Cover Image Sizing */
.grid-cards-wrapper {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 1.5rem;
}

.game-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    transition: transform 0.25s cubic-bezier(0.165, 0.84, 0.44, 1), box-shadow 0.25s ease, background-color 0.2s ease;
    display: flex;
    flex-direction: column;
}

.game-card:hover {
    transform: translateY(-4px);
    background-color: var(--bg-card-hover);
    box-shadow: 0 12px 24px rgba(0,0,0,0.6), 0 0 15px rgba(102, 192, 244, 0.2);
    border-color: var(--accent-glow);
}

.game-card:hover .card-cover-img {
    transform: scale(1.05);
}

.card-cover-wrapper {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    background-color: #121822;
    overflow: hidden;
}

.card-cover-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: transform 0.3s ease;
}

.card-price-badge {
    position: absolute;
    bottom: 8px;
    right: 8px;
    background: rgba(0, 0, 0, 0.85);
    color: #a4d007;
    font-weight: 700;
    font-size: 0.85rem;
    padding: 3px 8px;
    border-radius: 4px;
    border: 1px solid rgba(164, 208, 7, 0.3);
}

/* [FRW-06] Glowing Discount Percentage Badges */
.card-cover-wrapper .discount-badge {
    position: absolute;
    top: 8px;
    right: 8px;
    background: #4c6b22;
    color: #beee11;
    font-weight: 800;
    font-size: 0.85rem;
    padding: 3px 8px;
    border-radius: 4px;
    box-shadow: 0 0 10px rgba(190, 238, 17, 0.4);
    border: 1px solid rgba(190, 238, 17, 0.5);
}

.table-discount-badge {
    display: inline-block;
    background: #4c6b22;
    color: #beee11;
    font-weight: 800;
    font-size: 0.8rem;
    padding: 2px 7px;
    border-radius: 4px;
    box-shadow: 0 0 8px rgba(190, 238, 17, 0.3);
    border: 1px solid rgba(190, 238, 17, 0.4);
}

.card-info {
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    flex: 1;
}

.card-title {
    font-size: 0.95rem;
    font-weight: 600;
    color: #ffffff;
    line-height: 1.3;
}

.card-platform-badge {
    align-self: flex-start;
    background-color: rgba(102, 192, 244, 0.1);
    color: var(--accent-glow);
    font-size: 0.75rem;
    padding: 2px 8px;
    border-radius: 12px;
    border: 1px solid rgba(102, 192, 244, 0.2);
}

/* Stylized List Table */
.stylized-table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--bg-card);
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.stylized-table th {
    background-color: #121923;
    padding: 0.9rem 1rem;
    text-align: left;
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    cursor: pointer;
    user-select: none;
    border-bottom: 1px solid var(--border-color);
}

.stylized-table th:hover {
    color: var(--text-primary);
}

.stylized-table th.sorted {
    color: var(--accent-glow);
    font-weight: 700;
}

.stylized-table td {
    padding: 0.9rem 1rem;
    border-bottom: 1px solid rgba(42, 56, 72, 0.5);
    font-size: 0.9rem;
}

.table-row {
    cursor: pointer;
    transition: background-color 0.15s ease;
}

.table-row:hover {
    background-color: var(--bg-card-hover);
}

.cell-title {
    font-weight: 600;
    color: #ffffff;
}

.cell-price {
    color: #a4d007;
    font-weight: 600;
}

.platform-pill {
    background-color: rgba(102, 192, 244, 0.1);
    color: var(--accent-glow);
    font-size: 0.75rem;
    padding: 3px 8px;
    border-radius: 12px;
}

.score-badge {
    background-color: #172535;
    color: var(--accent-glow);
    padding: 3px 8px;
    border-radius: 4px;
    font-weight: 600;
}

/* Pagination Bar */
.pagination-bar {
    background-color: var(--bg-header);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.75rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-top: auto;
}

.pagination-info {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.pagination-controls {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.pg-btn {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 6px 14px;
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.pg-btn:hover:not(:disabled) {
    background-color: var(--accent-glow);
    color: var(--bg-dark);
}

.pg-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.pg-page-indicator {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--accent-glow);
}

.pagination-per-page {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.pg-size-select {
    background-color: var(--bg-dark);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: 6px;
    padding: 4px 8px;
    font-size: 0.85rem;
    outline: none;
    cursor: pointer;
}

.pg-size-select:focus {
    border-color: var(--accent-glow);
}

/* Modal Overlay */
.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal-backdrop.hidden {
    display: none;
}

.modal-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    max-width: 650px;
    width: 90%;
    padding: 2rem;
    position: relative;
    box-shadow: 0 20px 40px rgba(0,0,0,0.6);
}

.modal-close-btn {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
}

.modal-body {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.modal-left {
    width: 180px;
    flex-shrink: 0;
}

.modal-cover {
    width: 100%;
    border-radius: 6px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.5);
    aspect-ratio: 16 / 9;
    object-fit: cover;
}

.modal-right {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.modal-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: #ffffff;
}

.modal-metadata-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.meta-item {
    font-size: 0.9rem;
    display: flex;
    justify-content: space-between;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    padding-bottom: 4px;
}

.meta-label {
    color: var(--text-secondary);
}

.meta-val {
    color: #ffffff;
    font-weight: 500;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
}

/* [FRW-07] Glowing Vendor Purchase Button */
.btn-vendor-glowing {
    background: linear-gradient(135deg, #a4d007, #75b022);
    color: #0f141d;
    font-weight: 800;
    padding: 0.75rem 1.5rem;
    border-radius: 6px;
    text-decoration: none;
    box-shadow: 0 0 15px rgba(164, 208, 7, 0.4);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-vendor-glowing:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 25px rgba(164, 208, 7, 0.7);
}

.btn-vendor-glowing.hidden {
    display: none;
}

.btn-steam-glowing {
    background: linear-gradient(135deg, #2a475e, #1b2838);
    color: #66c0f4;
    font-weight: 700;
    padding: 0.75rem 1.5rem;
    border-radius: 6px;
    text-decoration: none;
    border: 1px solid rgba(102, 192, 244, 0.4);
    box-shadow: 0 0 10px rgba(102, 192, 244, 0.2);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-steam-glowing:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 20px rgba(102, 192, 244, 0.5);
    color: #ffffff;
}

.btn-steam-glowing.hidden {
    display: none;
}

/* Empty state recovery */
.empty-state-wrapper {
    text-align: center;
    padding: 4rem 2rem;
    background-color: var(--bg-card);
    border-radius: 12px;
    border: 1px dashed var(--border-color);
    max-width: 600px;
    margin: 2rem auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.empty-icon {
    width: 48px;
    height: 48px;
    color: var(--text-secondary);
}

.empty-actions {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
    flex-wrap: wrap;
    justify-content: center;
}

.btn-action {
    padding: 0.6rem 1.2rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    border: none;
    transition: all 0.2s ease;
}

.btn-clear {
    background-color: var(--accent-glow);
    color: var(--bg-dark);
}

.btn-external {
    background-color: #2a3848;
    color: #ffffff;
}

.btn-action:hover {
    transform: translateY(-2px);
    opacity: 0.9;
}