/* Shared season accents: loaded only with an active theme, never by default. */
body:is(.season-christmas, .season-halloween, .season-easter, .season-valentine, .season-summer),
body:is(.season-christmas, .season-halloween, .season-easter, .season-valentine, .season-summer) [data-community-theme] {
    --chat-border: var(--season-border);
    --chat-surface-muted: var(--season-muted);
    --chat-input: var(--season-muted);
    --chat-link: var(--season-link);
}
body:is(.season-christmas, .season-halloween, .season-easter, .season-valentine, .season-summer) {
    background-color: var(--season-canvas);
    background-image: var(--season-background);
    background-position: center top;
    /* Cover the viewport while keeping the backdrop fixed during scrolling. */
    background-size: var(--season-background-size, auto);
    background-repeat: no-repeat;
    background-attachment: fixed;
}
body:is(.season-christmas, .season-halloween, .season-easter, .season-valentine, .season-summer) .chat-site-header {
    background: var(--season-header);
    border-color: var(--season-accent);
}
body:is(.season-christmas, .season-halloween, .season-easter, .season-valentine, .season-summer) .chat-community-shell { background: var(--season-shell); }
body:is(.season-christmas, .season-halloween, .season-easter, .season-valentine, .season-summer) .chat-community-page-header {
    background-color: var(--season-canvas);
    background-image: var(--season-banner);
    background-position: right center;
    background-size: var(--season-banner-size, cover);
    background-repeat: no-repeat;
}
body:is(.season-christmas, .season-halloween, .season-easter, .season-valentine, .season-summer) .chat-community-page-header h1 { color: var(--season-title, #fff); }
body:is(.season-christmas, .season-halloween, .season-easter, .season-valentine, .season-summer) .chat-community-shell::after,
body:is(.season-christmas, .season-halloween, .season-easter, .season-valentine, .season-summer) .chat-frontpage::after { border-bottom-color: var(--season-accent); }
body:is(.season-christmas, .season-halloween, .season-easter, .season-valentine, .season-summer) .chat-frontpage-intro { background: var(--season-intro); }
body:is(.season-christmas, .season-halloween, .season-easter, .season-valentine, .season-summer) .chat-frontpage-intro-list li::marker { color: var(--season-marker); }
body:is(.season-christmas, .season-halloween, .season-easter, .season-valentine, .season-summer) .chat-site-footer {
    border-radius: 12px;
    background: rgba(0, 12, 26, .78);
    padding-bottom: 8px;
    margin-top: 0;
}
body:is(.season-christmas, .season-halloween, .season-easter, .season-valentine, .season-summer) .chat-site-footer-meta {
    width: fit-content;
    padding: 2px 8px;
    border-radius: 6px;
    background: rgba(0, 12, 26, .78);
    color: #d2e2ee;
}
body:is(.season-christmas, .season-halloween, .season-easter, .season-valentine, .season-summer) .chat-guide-heading { background: var(--season-header); }
body:is(.season-christmas, .season-halloween, .season-easter, .season-valentine, .season-summer) .chat-guide-shell { border-bottom-color: var(--season-accent); }
@media (max-width: 767px) {
    .chat-mobile-menu .chat-site-footer { background: transparent !important; }
}