/* ==========================================================================
   Filter Sidebar — Push sidebar with AJAX filters
   ========================================================================== */

/* ── Sidebar (fixed, slides from left) ─────────────── */
.filter-sidebar {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: var(--filter-sidebar-width);
  background: var(--color-surface);
  border-right: 1px solid var(--color-border-subtle);
  z-index: calc(var(--z-fixed) + 1);
  overflow: visible;
  display: flex;
  flex-direction: column;
  transform: translateX(-100%);
  visibility: hidden;
}

@media (min-width: 768px) {
  html.sidebar-open .filter-sidebar {
    transform: translateX(0);
    visibility: visible;
  }
}

.admin-bar .filter-sidebar { top: var(--admin-bar-offset, 32px); }

@media screen and (max-width: 782px) {
  .admin-bar .filter-sidebar { top: var(--admin-bar-offset, 46px); }
}

/* ── Push content effect ──────────────────────────────  */
@media (min-width: 1460px) {
  body.has-sidebar .navbar__inner {
    --_ml: max(0px, calc((100vw - var(--container-max)) / 2));
    margin-left: var(--_ml);
    max-width: min(var(--container-max), calc(100vw - var(--_ml)));
  }
  html.sidebar-open body.has-sidebar .navbar__inner,
  html.sidebar-open body.has-sidebar .site-content {
    --_ml: max(var(--filter-sidebar-width), calc((100vw - var(--container-max)) / 2));
    margin-left: var(--_ml);
    max-width: min(var(--container-max), calc(100vw - var(--_ml)));
  }
}

/* ── Transitions: only during intentional toggle ───── */
html.sidebar-animating .filter-sidebar {
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
html.sidebar-animating body.has-sidebar .navbar__inner,
html.sidebar-animating body.has-sidebar .site-content {
  transition: margin-left 0.3s cubic-bezier(0.4, 0, 0.2, 1),
              max-width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── Sidebar overlay (mobile only) ─────────────────── */
.filter-sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: calc(var(--z-fixed) + 2);
}
.filter-sidebar-overlay.is-visible { display: block; }

/* ── Mobile: overlay mode ──────────────────────────── */
@media (max-width: 767px) {
  .filter-sidebar {
    top: 0;
    width: calc(100vw - 60px);
    max-width: none;
    z-index: calc(var(--z-fixed) + 3);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), visibility 0.3s;
  }
  .admin-bar .filter-sidebar { top: 0; }
  .filter-sidebar.is-open {
    transform: translateX(0);
    visibility: visible;
    overscroll-behavior: contain;
  }
  html.sidebar-open body.has-sidebar .navbar,
  html.sidebar-open body.has-sidebar .site-content {
    left: 0;
    margin-left: 0;
  }
}

@media (min-width: 768px) {
  .filter-sidebar-overlay { display: none !important; }
}

/* ── Sidebar Header ────────────────────────────────── */
.filter-sidebar__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  padding: 0 var(--sp-6);
  gap: var(--sp-3);
  background: var(--color-elevated);
  border-bottom: 1px solid var(--color-border-subtle);
  flex-shrink: 0;
}

.filter-sidebar__title {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: var(--fs-md);
  font-weight: var(--fw-bold);
  white-space: nowrap;
}
.filter-sidebar__title .icon { width: 1.1em; height: 1.1em; }

.filter-sidebar__header-actions {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}

.filter-sidebar__reset {
  font-size: var(--fs-xs);
  padding: var(--sp-1) var(--sp-3);
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
  background: var(--color-surface);
  transition: color var(--duration-fast), background var(--duration-fast);
}
.filter-sidebar__reset:hover {
  color: var(--color-text);
  background: var(--color-elevated);
}

.filter-sidebar__close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: none;
  border: none;
  color: var(--color-text-muted);
  transition: color var(--duration-fast);
}
.filter-sidebar__close:hover { color: var(--color-text); }

@media (min-width: 768px) {
  .filter-sidebar__close { display: none; }
}

/* ── Collapse Button (desktop only) ────────────────── */
.filter-sidebar-collapse {
  display: none;
  position: absolute;
  right: -12px;
  top: calc(var(--header-height) / 2);
  transform: translateY(-50%);
  width: 24px;
  height: 24px;
  border-radius: 9999px;
  background: var(--color-elevated);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  cursor: pointer;
  z-index: 2;
  align-items: center;
  justify-content: center;
  transition: color var(--duration-fast), background var(--duration-fast), opacity var(--duration-fast);
  opacity: 0;
  pointer-events: none;
  padding: 0;
}
.filter-sidebar-collapse .icon { width: 14px; height: 14px; }
.filter-sidebar-collapse:hover {
  color: var(--color-text);
  background: var(--color-border);
}

@media (min-width: 768px) {
  .filter-sidebar-collapse { display: flex; }
  html.sidebar-open .filter-sidebar-collapse {
    opacity: 1;
    pointer-events: auto;
  }
}

/* ── Scrollable body area ──────────────────────────── */
.filter-sidebar__body {
  padding: var(--sp-4) var(--sp-6);
  flex: 1;
  overflow-y: auto;
}

/* ── Mobile filter toggle (in-page button) ─────────── */
.filter-toggle {
  display: flex;
}
@media (min-width: 768px) {
  .filter-toggle { display: none; }
}

/* ── Filter Groups ──────────────────────────────────── */
.filter-group { margin-bottom: var(--sp-4); }

.filter-group__label {
  display: flex;
  align-items: center;
  gap: var(--sp-1);
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  color: var(--color-text-muted);
  margin-bottom: var(--sp-2);
}
.filter-group__label .icon { width: 0.9em; height: 0.9em; }

/* ── Tag Input Row ───────── */
.filter-tag-row {
  display: flex;
  gap: 6px;
}
.filter-tag-row .filter-tag-input-wrap {
  flex: 1;
  min-width: 0;
}

.filter-popular-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: var(--color-elevated);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  cursor: pointer;
  transition: color var(--duration-fast), border-color var(--duration-fast), background var(--duration-fast);
}
.filter-popular-toggle .icon { width: 16px; height: 16px; }
.filter-popular-toggle:hover,
.filter-popular-toggle[aria-expanded="true"] {
  color: var(--color-accent);
  border-color: var(--color-accent);
  background: rgba(0, 170, 255, 0.08);
}

/* ── Popular Tags (collapsible) ───────────────────── */
.filter-popular-tags {
  display: none;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: var(--sp-2);
  max-height: 150px;
  overflow-y: auto;
}
.filter-popular-tags.is-open { display: flex; }

@media (max-width: 767px) {
  .filter-popular-tags {
    flex-wrap: nowrap;
    overflow-x: auto;
    overflow-y: hidden;
    max-height: none;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding-bottom: 4px;
    -webkit-mask-image: linear-gradient(to right, black 80%, transparent 100%);
    mask-image: linear-gradient(to right, black 80%, transparent 100%);
  }
  .filter-popular-tags::-webkit-scrollbar { display: none; }
  .filter-popular-tags .filter-tag { flex-shrink: 0; }
}

/* ── Tag Search Input ──────────────────────────────── */
.filter-tag-input-wrap { position: relative; }

.filter-tag-input {
  width: 100%;
  height: 36px;
  padding: 0 var(--sp-3);
  font-size: 16px;
  color: var(--color-text);
  background: var(--color-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  outline: none;
  transition: border-color var(--duration-fast), background var(--duration-fast);
}
.filter-tag-input::placeholder { color: var(--color-text-muted); }
.filter-tag-input:focus { border-color: var(--color-accent); }

/* ── Tag Suggestions Dropdown ──────────────────────── */
.filter-tag-suggestions {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  max-height: 200px;
  overflow-y: auto;
  background: var(--color-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-top: 4px;
  z-index: 100;
  display: none;
  box-shadow: var(--shadow-lg);
}
.filter-tag-suggestions.is-active { display: block; }

.filter-tag-suggestion {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: var(--sp-2) var(--sp-3);
  font-size: var(--fs-sm);
  color: var(--color-text);
  background: none;
  border: none;
  cursor: pointer;
  transition: background var(--duration-fast);
  text-align: left;
}
.filter-tag-suggestion:hover,
.filter-tag-suggestion:focus {
  background: var(--color-border-subtle);
  outline: none;
}
.filter-tag-suggestion__name {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.filter-tag-suggestion__count {
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
  margin-left: var(--sp-2);
}
.filter-tag-suggestions__empty {
  padding: var(--sp-3);
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  text-align: center;
}

/* ── Selected Tags (chips) ─────────────────────────── */
.filter-selected-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: var(--sp-2);
}
.filter-selected-tags:empty { display: none; }

.filter-selected-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  height: 26px;
  padding: 0 8px 0 10px;
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  color: #fff;
  background: var(--color-accent);
  border-radius: var(--radius-full);
}
.filter-selected-tag__remove {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  padding: 0;
  background: rgba(255, 255, 255, 0.2);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  color: #fff;
  transition: background var(--duration-fast);
}
.filter-selected-tag__remove:hover { background: rgba(255, 255, 255, 0.35); }
.filter-selected-tag__remove .icon { width: 10px; height: 10px; }
.filter-selected-tag.is-pinned { padding: 0 10px; opacity: 0.85; }
.filter-selected-tag--excluded { background: var(--color-danger); }

/* ── Collapsible filter group ─────────────────────── */
.filter-group--collapsible .filter-group__toggle {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  width: 100%;
  padding: 0;
  border: none;
  background: none;
  color: var(--color-text-muted);
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  cursor: pointer;
}

.filter-group__chevron {
  margin-left: auto;
  transition: transform var(--duration-fast);
}
.filter-group__toggle[aria-expanded="true"] .filter-group__chevron {
  transform: rotate(180deg);
}

.filter-group__count {
  font-size: var(--fs-xs);
  font-weight: var(--fw-bold);
  color: #fff;
  background: var(--color-danger);
  border-radius: var(--radius-full);
  min-width: 18px;
  height: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 5px;
}

.filter-group__body { margin-top: var(--sp-3); }

.filter-excluded-clear {
  margin-top: var(--sp-2);
  color: var(--color-danger);
}
.filter-excluded-clear:hover {
  background: rgba(215, 38, 56, 0.1);
  color: var(--color-danger);
}

/* ── Filter Button Group (toggle pills) ── */
.filter-btn-group {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 6px;
}

.filter-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-1);
  padding: var(--sp-2) var(--sp-3);
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: var(--color-text-muted);
  background: var(--color-elevated);
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: color var(--duration-fast), background var(--duration-fast), border-color var(--duration-fast);
  white-space: nowrap;
  text-overflow: ellipsis;
  overflow: hidden;
}
.filter-btn:hover {
  color: var(--color-text);
  background: var(--color-border);
}
.filter-btn.is-active {
  color: #fff;
  background: var(--color-accent);
  border-color: var(--color-accent);
}

/* ── Filter Tags ────────────────────────────────────── */
.filter-tag {
  cursor: pointer;
  transition: background var(--duration-fast), color var(--duration-fast);
}
.filter-tag.is-active {
  background: rgba(0, 170, 255, 0.15);
  color: var(--color-accent);
}
.tag__count {
  margin-left: var(--sp-1);
  font-size: 0.7em;
  opacity: 0.6;
}

/* ── Filter Chips (active filters below heading) ──── */
.filter-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: var(--sp-4);
}
.filter-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: var(--sp-1) var(--sp-3);
  font-size: var(--fs-xs);
  font-weight: var(--fw-medium);
  background: var(--color-elevated);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-full);
  color: var(--color-text);
}
.filter-chip--excluded {
  background: rgba(215, 38, 56, 0.15);
  border-color: rgba(215, 38, 56, 0.3);
  color: var(--color-danger);
}
.filter-chip__remove {
  background: none;
  border: none;
  color: var(--color-text-muted);
  cursor: pointer;
  padding: 0;
  font-size: var(--fs-sm);
  line-height: 1;
}
.filter-chip__remove:hover { color: var(--color-text); }

/* ── Game Card Row (list view) ──────────────────────── */
.game-card-row {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-3);
  border-bottom: 1px solid var(--color-border-subtle);
  text-decoration: none;
  color: var(--color-text);
  transition: background var(--duration-fast);
}
.game-card-row:hover { background: var(--color-elevated); }

.game-card-row__thumb {
  width: 72px;
  height: 43px;
  flex-shrink: 0;
  border-radius: var(--radius-sm);
  object-fit: cover;
}
.game-card-row__title {
  flex: 1;
  min-width: 0;
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.game-card-row__meta {
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
  white-space: nowrap;
}
.game-card-row__state {
  font-size: var(--fs-xs);
  font-weight: var(--fw-medium);
  padding: 2px var(--sp-2);
  border-radius: var(--radius-sm);
  background: var(--color-elevated);
  color: var(--color-text-muted);
  white-space: nowrap;
}

@media (max-width: 768px) {
  .game-card-row__meta { display: none; }
}

/* ── View Toggle ────────────────────────────────────── */
.view-toggle {
  display: flex;
  align-items: center;
  gap: 2px;
  background: var(--color-elevated);
  border-radius: var(--radius-sm);
  padding: 2px;
}
.view-toggle__btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
  cursor: pointer;
  transition: color var(--duration-fast), background var(--duration-fast);
}
.view-toggle__btn:hover { color: var(--color-text); }
.view-toggle__btn.is-active {
  color: var(--color-text);
  background: var(--color-surface);
}
.view-toggle__btn .icon { width: 16px; height: 16px; }

/* ── Game Grid (AJAX container) ────────────────────── */
.game-grid--list .game-card { display: none; }
.game-grid--list .game-card-row { display: flex; }

/* ── Skeleton Loading ──────────────────────────────── */
@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

.skel-line {
  height: 14px;
  border-radius: var(--radius-sm);
  background: linear-gradient(90deg, var(--color-elevated) 25%, var(--color-border-subtle) 50%, var(--color-elevated) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
}
.skel-line--short { width: 40%; margin-top: 8px; }

.game-card--skeleton {
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.game-card--skeleton .game-card__thumb {
  aspect-ratio: 5 / 3;
  background: linear-gradient(90deg, var(--color-elevated) 25%, var(--color-border-subtle) 50%, var(--color-elevated) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
}
.game-card--skeleton .game-card__body { padding: var(--sp-3); }

.game-card-row--skeleton {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-3);
  border-bottom: 1px solid var(--color-border-subtle);
}
.game-card-row--skeleton .skel-thumb {
  width: 72px;
  height: 43px;
  border-radius: var(--radius-sm);
  background: linear-gradient(90deg, var(--color-elevated) 25%, var(--color-border-subtle) 50%, var(--color-elevated) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  flex-shrink: 0;
}

/* ── AJAX Pagination ───────────────────────────────── */
.lz-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-1);
  margin: var(--sp-8) 0;
  flex-wrap: wrap;
}
.lz-pagination.is-loading { opacity: 0.4; pointer-events: none; }

.lz-pagination__btn,
.lz-pagination__page {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  padding: 0 var(--sp-2);
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  background: var(--color-surface);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: color var(--duration-fast), background var(--duration-fast), border-color var(--duration-fast);
}
.lz-pagination__btn:hover,
.lz-pagination__page:hover {
  color: var(--color-text);
  background: var(--color-elevated);
  border-color: var(--color-accent);
}
.lz-pagination__page.is-active {
  color: var(--color-text-inverse);
  background: var(--color-accent);
  border-color: var(--color-accent);
  font-weight: var(--fw-semibold);
}
.lz-pagination__btn:disabled {
  opacity: 0.3;
  cursor: default;
  pointer-events: none;
}
.lz-pagination__ellipsis {
  padding: 0 var(--sp-1);
  color: var(--color-text-muted);
}
.lz-pagination__info {
  font-size: var(--fs-xs);
  color: var(--color-text-subtle);
  margin-left: var(--sp-2);
}

/* ── Navbar filter button ──────────────────────────── */
.navbar__filter-btn {
  position: relative;
}
.navbar__filter-badge {
  position: absolute;
  top: 2px;
  right: 2px;
  min-width: 16px;
  height: 16px;
  padding: 0 4px;
  font-size: 10px;
  font-weight: var(--fw-bold);
  color: #fff;
  background: var(--color-accent);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ── Archive Layout ────────────────────────────────── */
.archive-header {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  margin-bottom: var(--sp-4);
}
.archive-header__left {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}
.archive-header__title {
  font-size: var(--fs-2xl);
  font-weight: var(--fw-bold);
  margin: 0;
}
.archive-header__count {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  margin-left: auto;
}