/* Approved Halloween artwork; activation belongs to the server's seasonal policy. */
body[data-seasonal-active="halloween"] {
  --seasonal-logo-art-width: 144px;
  --seasonal-logo-art-height: 64px;
  --seasonal-logo-font: 35px;
  --seasonal-sidebar-slot: 120px;
}

body[data-seasonal-active="halloween"] .seasonal-logo-lockup[data-seasonal-logo="woven"][data-seasonal-placement="logo"] {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: flex-start;
  width: var(--seasonal-logo-art-width);
  height: var(--seasonal-logo-art-height);
  vertical-align: middle;
  isolation: isolate;
}

.seasonal-logo-lockup > .brandmark {
  position: relative;
  z-index: var(--z-sticky);
  margin-left: calc(var(--seasonal-logo-art-width) * .29);
}

.seasonal-logo-lockup .bg-wordmark { font-size: var(--seasonal-logo-font); }

.seasonal-trigger {
  position: absolute;
  display: grid;
  place-items: center;
  min-width: 44px;
  min-height: 44px;
  padding: 0;
  margin: 0;
  background: transparent;
  border: 0;
  border-radius: var(--r-sm);
  cursor: pointer;
}

.seasonal-trigger[hidden], .seasonal-feedback[hidden] { display: none; }

.seasonal-trigger:focus-visible, .seasonal-controls button:focus-visible {
  outline: 2px solid var(--ring);
  outline-offset: 3px;
}

.seasonal-art {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  user-select: none;
  pointer-events: none;
}

.seasonal-logo-lockup .seasonal-trigger {
  width: 44px;
  height: var(--seasonal-logo-art-height);
  left: 0;
  bottom: 0;
}

.seasonal-logo-lockup .seasonal-art {
  position: absolute;
  width: var(--seasonal-logo-art-width);
  max-width: none;
  height: var(--seasonal-logo-art-height);
  left: 0;
  bottom: 1px;
  mask-image: linear-gradient(to right, black 29%, rgb(0 0 0 / .70) 42%);
}

.seasonal-logo-lockup .seasonal-art-front {
  left: calc(var(--seasonal-logo-art-width) * -.09);
  bottom: 6px;
  z-index: var(--z-dropdown);
  clip-path: polygon(39% 80%, 48% 80%, 48% 91%, 39% 91%);
  mask-image: linear-gradient(rgb(0 0 0 / .75), rgb(0 0 0 / .75));
}

body[data-seasonal-active="halloween"] aside.bg-nav-sidebar .seasonal-sidebar-scene {
  flex: 0 0 var(--seasonal-sidebar-slot);
}

aside.bg-nav-sidebar .seasonal-sidebar-scene .seasonal-trigger {
  left: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  height: calc(var(--seasonal-sidebar-slot) + 88px);
  overflow: hidden;
  border-radius: 0;
}

aside.bg-nav-sidebar .seasonal-sidebar-scene .seasonal-trigger::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, var(--gold-wash), transparent 85%);
  pointer-events: none;
}

aside.bg-nav-sidebar .seasonal-sidebar-scene .seasonal-art {
  position: absolute;
  width: calc(100% + 88px);
  max-width: none;
  height: auto;
  left: -44px;
  bottom: -4px;
  --seasonal-art-opacity: .62;
  opacity: var(--seasonal-art-opacity);
  filter: saturate(.8);
  mask-image: linear-gradient(to bottom, transparent, black 12%, black 48%, rgb(0 0 0 / .25) 76%, transparent 96%);
}

[data-theme="dark"] aside.bg-nav-sidebar .seasonal-sidebar-scene .seasonal-art {
  --seasonal-art-opacity: .52;
  filter: brightness(1.1) saturate(.65);
}

body.bg-app[data-seasonal-active="halloween"] aside.bg-nav-sidebar:has(.seasonal-trigger) .nav {
  position: relative;
  z-index: var(--z-sticky);
}

body.bg-app[data-seasonal-active="halloween"] aside.bg-nav-sidebar:has(.seasonal-trigger) .sidebar-foot {
  border-top-color: transparent;
  z-index: var(--z-dropdown);
}

body.bg-app[data-seasonal-active="halloween"] aside.bg-nav-sidebar:has(.seasonal-trigger) #bgAccountBtn {
  min-height: 44px;
  background: var(--cream);
}

body.bg-app[data-seasonal-active="halloween"] aside.bg-nav-sidebar:has(.seasonal-trigger) #bgAccountBtn .who span {
  color: var(--text-muted);
}

body.bg-app[data-seasonal-active="halloween"] aside.bg-nav-sidebar:has(.seasonal-trigger) #bgAccountBtn .caret {
  flex: 0 0 24px;
  width: 24px;
  height: 24px;
  color: var(--ink);
  background: var(--bg-panel);
  border: 1px solid var(--sand-300);
  border-radius: var(--r-sm);
}

aside.bg-nav-sidebar .seasonal-trigger:focus-visible { outline-offset: -3px; }
.seasonal-trigger.is-poofing .seasonal-art, .seasonal-trigger.is-poofing::before { opacity: 0; }

.seasonal-controls { font: 500 var(--fs-xs) var(--font-sans); color: var(--text-muted); }
.seasonal-controls--menu { display: block; font: inherit; }
body.bg-app .acct-menu:has(.seasonal-controls--menu) { width: var(--pop-w); right: auto; }
.seasonal-controls--menu .mt-left { padding-left: calc(var(--icon-size-md) + var(--icon-gap-md)); }

.seasonal-feedback {
  position: fixed;
  translate: -50% 0;
  width: max-content;
  max-width: calc(100vw - var(--space-4));
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  background: var(--bg-panel);
  color: var(--ink);
  box-shadow: var(--shadow-sm);
  font: 500 var(--fs-sm) var(--font-sans);
  white-space: nowrap;
  z-index: var(--z-popover);
  pointer-events: none;
}

@media (prefers-reduced-motion: no-preference) {
  .seasonal-trigger.is-poofing .seasonal-art { animation: seasonal-poof .4s ease-out both; }
  .seasonal-trigger.is-poofing::after {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: var(--r-pill);
    background: radial-gradient(circle at 30% 55%, var(--gold-soft) 0 18%, transparent 19%), radial-gradient(circle at 60% 30%, var(--cream-line) 0 24%, transparent 25%), radial-gradient(circle at 70% 65%, var(--gold-soft) 0 22%, transparent 23%);
    animation: seasonal-cloud .45s ease-out both;
    pointer-events: none;
  }
}

@keyframes seasonal-poof {
  0% { opacity: var(--seasonal-art-opacity, 1); scale: 1; }
  35% { opacity: calc(var(--seasonal-art-opacity, 1) * .8); scale: 1.04; }
  100% { opacity: 0; scale: .35; }
}
@keyframes seasonal-cloud { from { opacity: .75; scale: .6; } to { opacity: 0; scale: 1.3; } }

@media (forced-colors: active) {
  .seasonal-art, .seasonal-trigger::before, .seasonal-trigger::after { visibility: hidden; }
  .seasonal-logo-lockup .seasonal-trigger { display: none; }
  aside.bg-nav-sidebar .seasonal-sidebar-scene { display: none; }
  body.bg-app[data-seasonal-active="halloween"] aside.bg-nav-sidebar #bgAccountBtn .caret { color: ButtonText; background: ButtonFace; border-color: ButtonText; }
}