/* ==========================================================================
   components.css
   Visual styling for every reusable UI component in the design system.
   Each block is self-contained and reusable across every page.
   ========================================================================== */

/* ---------------------------------------------------------------------
   Instant search dropdown
   --------------------------------------------------------------------- */
.instant-search {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  right: 0;
  max-height: 70vh;
  overflow-y: auto;
  background: var(--color-surface);
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: var(--space-2);
  z-index: var(--z-dropdown);
}

.instant-search__item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  color: var(--color-text);
}

.instant-search__item:hover,
.instant-search__item[aria-selected="true"] {
  background: var(--color-surface-alt);
}

.instant-search__icon {
  flex-shrink: 0;
  color: var(--color-text-faint);
}

.instant-search__info {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.instant-search__title {
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.instant-search__meta {
  font-size: var(--fs-xs);
  color: var(--color-text-faint);
  font-family: var(--font-mono);
}

.instant-search__viewall {
  display: block;
  padding: var(--space-3);
  margin-top: var(--space-1);
  border-top: var(--border-width) solid var(--color-border);
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: var(--color-accent);
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
}

.instant-search__viewall:hover,
.instant-search__viewall[aria-selected="true"] {
  background: var(--color-surface-alt);
}

.instant-search__empty {
  padding: var(--space-4);
  text-align: center;
  font-size: var(--fs-sm);
  color: var(--color-text-faint);
}

.search-highlight {
  background: rgba(255, 193, 69, 0.35);
  color: inherit;
  border-radius: 3px;
  padding: 0 1px;
}

@media (max-width: 1200px) {
  .instant-search {
    position: static;
    margin-top: var(--space-2);
    max-height: 50vh;
  }
}

/* ---------------------------------------------------------------------
   Categories dropdown (navigation)
   --------------------------------------------------------------------- */
.nav-dropdown {
  position: relative;
}

.nav-dropdown__trigger {
  background: transparent;
}

.nav-dropdown__chevron {
  transition: transform var(--transition-fast);
}

.nav-dropdown__trigger[aria-expanded="true"] .nav-dropdown__chevron {
  transform: rotate(180deg);
}

.nav-dropdown__panel {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  min-width: 240px;
  max-height: 60vh;
  overflow-y: auto;
  background: var(--color-surface);
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: var(--space-2);
  opacity: 0;
  transform: translateY(-6px);
  transition: opacity var(--transition-base), transform var(--transition-base);
  z-index: var(--z-dropdown);
}

.nav-dropdown__panel.is-open {
  opacity: 1;
  transform: translateY(0);
}

.nav-dropdown__panel a {
  display: block;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
  font-size: var(--fs-sm);
}

.nav-dropdown__panel a:hover,
.nav-dropdown__panel a:focus-visible {
  background: var(--color-surface-alt);
  color: var(--color-text);
}

.nav-dropdown__panel a[role="menuitem"]:first-child {
  font-weight: var(--fw-semibold);
  color: var(--color-accent);
  border-bottom: var(--border-width) solid var(--color-border);
  border-radius: 0;
  margin-bottom: var(--space-1);
  padding-bottom: var(--space-2);
}

@media (max-width: 1200px) {
  .nav-dropdown {
    display: flex;
    flex-direction: column;
  }

  .nav-dropdown__panel {
    position: static;
    box-shadow: none;
    border: none;
    background: transparent;
    padding: 0 0 0 var(--space-3);
    max-height: none;
    opacity: 1;
    transform: none;
    display: none;
  }

  .nav-dropdown__panel.is-open {
    display: block;
  }

  .nav-dropdown__panel[hidden] {
    display: none;
  }
}

/* ---------------------------------------------------------------------
   Logo
   --------------------------------------------------------------------- */
.logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-display);
  font-weight: var(--fw-bold);
  font-size: var(--fs-md);
  letter-spacing: 0.02em;
  color: var(--color-text);
  flex-shrink: 0;
}

.logo__mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  background: linear-gradient(145deg, var(--color-accent), var(--color-secondary));
  color: var(--color-accent-contrast);
  font-family: var(--font-mono);
  font-weight: var(--fw-bold);
}

.logo__text-accent {
  color: var(--color-accent);
}

/* ---------------------------------------------------------------------
   Buttons
   --------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-md);
  font-weight: var(--fw-semibold);
  font-size: var(--fs-sm);
  line-height: 1;
  border: var(--border-width) solid transparent;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast), border-color var(--transition-fast);
  white-space: nowrap;
}

.btn:active {
  transform: translateY(1px);
}

.btn--primary {
  background: var(--color-accent);
  color: var(--color-accent-contrast);
}

.btn--primary:hover {
  box-shadow: var(--shadow-glow-accent);
}

.btn--secondary {
  background: var(--color-surface-alt);
  color: var(--color-text);
  border-color: var(--color-border-strong);
}

.btn--secondary:hover {
  background: var(--color-surface-hover);
}

.btn--ghost {
  background: transparent;
  color: var(--color-text-muted);
}

.btn--ghost:hover {
  color: var(--color-text);
  background: var(--color-surface);
}

.btn--icon {
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: var(--radius-md);
  background: var(--color-surface);
  color: var(--color-text-muted);
}

@media (max-width: 768px) {
  /* 44x44 is the standard minimum comfortable touch target size
     (Apple HIG / Material Design / WCAG 2.5.5) - desktop keeps its
     existing 40px sizing since a mouse pointer doesn't need this. */
  .btn--icon {
    width: 44px;
    height: 44px;
  }
}

.btn--icon:hover {
  color: var(--color-text);
  background: var(--color-surface-alt);
}

.btn--block {
  width: 100%;
}

.btn--sm {
  padding: var(--space-2) var(--space-3);
  font-size: var(--fs-xs);
}

/* ---------------------------------------------------------------------
   Search bar — "coin slot" signature styling
   --------------------------------------------------------------------- */
.search-bar {
  position: relative;
  display: flex;
  align-items: center;
}

.search-bar__icon {
  position: absolute;
  left: var(--space-4);
  color: var(--color-text-faint);
  pointer-events: none;
}

.search-bar__input {
  width: 100%;
  padding: var(--space-3) var(--space-4) var(--space-3) var(--space-8);
  background: var(--color-surface);
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--radius-pill);
  color: var(--color-text);
  font-size: var(--fs-sm);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.search-bar__input::placeholder {
  color: var(--color-text-faint);
}

.search-bar__input:focus-visible {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(255, 193, 69, 0.18);
}

.search-bar--lg .search-bar__input {
  padding-block: var(--space-4);
  font-size: var(--fs-md);
  border-radius: var(--radius-lg);
}

.search-bar--lg .search-bar__icon {
  left: var(--space-5);
}

/* ---------------------------------------------------------------------
   Game card — signature component.
   Styled like an arcade cabinet marquee: a colored light-strip caps the
   card, and a diagonal scanline sweeps across the thumbnail on hover.
   --------------------------------------------------------------------- */
.game-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--color-surface);
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base), background-color var(--transition-base);
}

.game-card:hover,
.game-card:focus-within {
  transform: translateY(-4px);
  border-color: var(--color-border-strong);
  box-shadow: var(--shadow-md);
}

.game-card__marquee {
  height: 4px;
  width: 100%;
  background: linear-gradient(90deg, var(--color-accent), var(--color-secondary));
  flex-shrink: 0;
}

.game-card__media {
  position: relative;
  display: block;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--color-surface-alt);
}

.game-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.game-card:hover .game-card__media img {
  transform: scale(1.06);
}

.game-card__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, transparent 40%, var(--color-scanline) 50%, transparent 60%);
  background-size: 250% 250%;
  background-position: 120% 0%;
  opacity: 0;
  transition: opacity var(--transition-base);
  pointer-events: none;
}

.game-card:hover .game-card__media::after {
  opacity: 1;
  animation: scanline-sweep 1.1s ease forwards;
}

@keyframes scanline-sweep {
  from { background-position: 120% 0%; }
  to { background-position: -20% 100%; }
}

.game-card__badge {
  position: absolute;
  top: var(--space-2);
  left: var(--space-2);
  padding: var(--space-1) var(--space-2);
  background: var(--color-overlay);
  border-radius: var(--radius-sm);
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  color: var(--color-accent);
  backdrop-filter: blur(4px);
}

.game-card__favorite {
  position: absolute;
  top: var(--space-2);
  right: var(--space-2);
  width: 32px;
  height: 32px;
  border-radius: var(--radius-pill);
  background: var(--color-overlay);
  color: var(--color-text);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(4px);
  transition: color var(--transition-fast), transform var(--transition-fast);
}

.game-card__favorite:hover {
  transform: scale(1.08);
}

.game-card__favorite[data-active="true"] {
  color: var(--color-secondary);
}

.game-card__favorite.is-bouncing {
  animation: favorite-bounce 0.4s ease;
}

@keyframes favorite-bounce {
  0% { transform: scale(1); }
  35% { transform: scale(1.35); }
  60% { transform: scale(0.92); }
  100% { transform: scale(1); }
}

@media (prefers-reduced-motion: reduce) {
  .game-card__favorite.is-bouncing {
    animation: none;
  }
}

.game-card__body {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-4);
  flex: 1 1 auto;
}

@media (max-width: 768px) {
  .game-card__body {
    padding: var(--space-3);
    gap: var(--space-1);
  }
}

.game-card__category {
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  color: var(--color-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.game-card__title {
  font-size: var(--fs-md);
  font-weight: var(--fw-semibold);
  line-height: var(--lh-tight);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.game-card__title a {
  color: inherit;
  transition: color var(--transition-fast);
}

.game-card__title a:hover,
.game-card__title a:focus-visible {
  color: var(--color-accent);
}

.game-card__description {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  line-height: var(--lh-normal);
}

.game-card__footer {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-top: auto;
  padding-top: var(--space-2);
}

.game-card__meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--color-text-faint);
}

.game-card__meta span {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
}

.game-card__meta .is-rating {
  color: var(--color-success);
}

.game-card__play {
  margin-top: 0;
}

/* ---------------------------------------------------------------------
   Category pill / chip
   --------------------------------------------------------------------- */
.chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-pill);
  background: var(--color-surface);
  border: var(--border-width) solid var(--color-border);
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: var(--color-text-muted);
  white-space: nowrap;
  flex-shrink: 0;
  transition: color var(--transition-fast), background-color var(--transition-fast), border-color var(--transition-fast);
}

.chip:hover {
  color: var(--color-text);
  border-color: var(--color-border-strong);
}

.chip.is-active {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-accent-contrast);
}

/* Category tile used on the category grid / browse-all page */
.category-tile {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-pill);
  background: var(--color-surface);
  border: var(--border-width) solid var(--color-border);
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
  white-space: nowrap;
}

.category-tile:hover {
  border-color: var(--color-accent);
  background: var(--color-surface-alt);
}

.category-tile__icon {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
}

.category-tile__icon svg {
  width: 16px;
  height: 16px;
}

.category-tile__name {
  font-weight: var(--fw-medium);
  font-size: var(--fs-sm);
}

.category-tile__count {
  font-size: var(--fs-xs);
  color: var(--color-text-faint);
  font-family: var(--font-mono);
}

/* ---------------------------------------------------------------------
   Pagination
   --------------------------------------------------------------------- */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  margin-top: var(--space-6);
  flex-wrap: wrap;
}

.pagination__btn {
  min-width: 36px;
  height: 36px;
  padding-inline: var(--space-2);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  border: var(--border-width) solid var(--color-border);
  color: var(--color-text-muted);
  font-size: var(--fs-sm);
  font-family: var(--font-mono);
}

.pagination__btn:hover:not(:disabled) {
  border-color: var(--color-border-strong);
  color: var(--color-text);
}

.pagination__btn.is-active {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-accent-contrast);
}

.pagination__ellipsis {
  color: var(--color-text-faint);
  padding-inline: var(--space-1);
}

/* ---------------------------------------------------------------------
   Breadcrumb
   --------------------------------------------------------------------- */
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2);
  font-size: var(--fs-sm);
  color: var(--color-text-faint);
  margin-bottom: var(--space-5);
}

.breadcrumb a {
  color: var(--color-text-muted);
}

.breadcrumb a:hover {
  color: var(--color-accent);
}

.breadcrumb__sep {
  color: var(--color-text-faint);
}

.breadcrumb__current {
  color: var(--color-text);
}

/* ---------------------------------------------------------------------
   Empty state
   --------------------------------------------------------------------- */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-3);
  padding: var(--space-9) var(--space-4);
  color: var(--color-text-muted);
}

.empty-state__icon {
  color: var(--color-text-faint);
}

.empty-state__title {
  font-size: var(--fs-lg);
  color: var(--color-text);
}

/* ---------------------------------------------------------------------
   Skeleton loading state
   --------------------------------------------------------------------- */
.skeleton-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-surface);
  border: var(--border-width) solid var(--color-border);
}

.skeleton-card__media {
  aspect-ratio: 4 / 3;
  background: linear-gradient(100deg, var(--color-surface) 30%, var(--color-surface-alt) 50%, var(--color-surface) 70%);
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.4s ease-in-out infinite;
}

.skeleton-card__line {
  height: 12px;
  margin: var(--space-4) var(--space-4) 0;
  border-radius: var(--radius-sm);
  background: var(--color-surface-alt);
}

.skeleton-card__line--short {
  width: 50%;
  margin-bottom: var(--space-4);
}

@keyframes skeleton-shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ---------------------------------------------------------------------
   Toast notifications
   --------------------------------------------------------------------- */
.toast-stack {
  position: fixed;
  bottom: var(--space-5);
  right: var(--space-5);
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  max-width: min(360px, calc(100vw - var(--space-6)));
}

.toast {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface-alt);
  border: var(--border-width) solid var(--color-border-strong);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  font-size: var(--fs-sm);
  animation: toast-in var(--transition-slow);
}

.toast[data-tone="success"] {
  border-left: 3px solid var(--color-success);
}

.toast[data-tone="error"] {
  border-left: 3px solid var(--color-danger);
}

.toast.is-leaving {
  animation: toast-out var(--transition-base) forwards;
}

@keyframes toast-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes toast-out {
  to { opacity: 0; transform: translateX(12px); }
}

/* ---------------------------------------------------------------------
   Back-to-top button
   --------------------------------------------------------------------- */
.back-to-top {
  position: fixed;
  right: var(--space-5);
  bottom: var(--space-5);
  width: 44px;
  height: 44px;
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  color: var(--color-accent-contrast);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity var(--transition-base), transform var(--transition-base), visibility var(--transition-base);
  z-index: var(--z-header);
}

.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* ---------------------------------------------------------------------
   Forms (contact page)
   --------------------------------------------------------------------- */
.form-field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.form-field label {
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: var(--color-text);
}

.form-field input,
.form-field textarea,
.form-field select {
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface);
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  transition: border-color var(--transition-fast);
}

.form-field input:focus-visible,
.form-field textarea:focus-visible,
.form-field select:focus-visible {
  outline: none;
  border-color: var(--color-accent);
}

.form-field textarea {
  resize: vertical;
  min-height: 140px;
}

.form-field__hint {
  font-size: var(--fs-xs);
  color: var(--color-text-faint);
}

.form-field__error {
  font-size: var(--fs-xs);
  color: var(--color-danger);
  display: none;
}

.form-field.has-error input,
.form-field.has-error textarea {
  border-color: var(--color-danger);
}

.form-field.has-error .form-field__error {
  display: block;
}

/* ---------------------------------------------------------------------
   Badges (used inline in text, e.g. "New", "Featured")
   --------------------------------------------------------------------- */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px var(--space-2);
  border-radius: var(--radius-sm);
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
}

.badge--accent {
  background: rgba(255, 193, 69, 0.15);
  color: var(--color-accent);
}

.badge--secondary {
  background: rgba(255, 93, 115, 0.15);
  color: var(--color-secondary);
}

/* ---------------------------------------------------------------------
   Sidebar card (used on static pages)
   --------------------------------------------------------------------- */
.side-card {
  background: var(--color-surface);
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  margin-bottom: var(--space-4);
}

.side-card__title {
  font-size: var(--fs-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-faint);
  margin-bottom: var(--space-3);
}

.side-card ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.side-card a {
  color: var(--color-text-muted);
  font-size: var(--fs-sm);
}

.side-card a:hover {
  color: var(--color-accent);
}