/* ==========================================================================
   Décors des thèmes saisonniers : mécanique commune.
   Chargé UNIQUEMENT quand un thème autre que « Classique » est actif, en plus
   de public/themes/<id>.css qui fournit les variables (images, tailles,
   animation). Toutes les animations sont désactivées si l'utilisateur
   demande moins de mouvement (prefers-reduced-motion).
   Convention : <html data-theme="<id>"> n'est posé que pour un thème
   saisonnier ; le thème Classique n'a pas d'attribut (rendu d'origine).
   ========================================================================== */

/* -- Un peu d'air sous l'en-tête pour la guirlande -------------------------- */
/* L'espace suit la hauteur de la guirlande (les ornements suspendus ne doivent
   jamais recouvrir la bannière ni le haut de la page). */
html[data-theme] main#contenu { padding-top: calc(88px + max(20px, var(--deco-garland-h, 40px) * .78 - 14px)); }
@media (min-width: 1024px) {
  html[data-theme] main#contenu { padding-top: calc(6rem + max(24px, var(--deco-garland-h, 40px) - 16px)); }
}

/* -- Guirlande accrochée sous l'en-tête ------------------------------------- */
html[data-theme] #lci-header::after,
html[data-theme] #lci-header::before {
  content: "";
  position: absolute;
  left: 0; right: 0;
  top: 100%;
  height: var(--deco-garland-h, 40px);
  background-repeat: repeat-x;
  background-position: center top;
  background-size: var(--deco-garland-w, 180px) var(--deco-garland-h, 40px);
  pointer-events: none;
  transition: opacity .4s ease, transform .4s ease;
  transform-origin: top center;
}
html[data-theme] #lci-header::after {
  background-image: var(--deco-garland, none);
  filter: drop-shadow(0 2px 2px rgb(var(--c-cocoa-700) / .12));
}
html[data-theme] #lci-header::before {
  background-image: var(--deco-lights, none);
  z-index: 1;
}
/* Sur mobile : guirlande un peu plus petite. */
@media (max-width: 767px) {
  html[data-theme] #lci-header::after,
  html[data-theme] #lci-header::before {
    height: calc(var(--deco-garland-h, 40px) * .78);
    background-size: calc(var(--deco-garland-w, 180px) * .78) calc(var(--deco-garland-h, 40px) * .78);
  }
}
/* En lisant (page défilée), la guirlande s'efface pour ne pas gêner. */
html[data-theme] #lci-header[data-scrolled="true"]::after,
html[data-theme] #lci-header[data-scrolled="true"]::before {
  opacity: 0;
  transform: translateY(-10px);
}
/* -- Ornement posé sur le logo ---------------------------------------------- */
html[data-theme] .lci-logo { position: relative; justify-self: start; width: max-content; }
html[data-theme] .lci-logo::after {
  content: "";
  position: absolute;
  top: -7px; right: -11px;
  width: 26px; height: 26px;
  background: var(--deco-badge, none) center / contain no-repeat;
  pointer-events: none;
  filter: drop-shadow(0 1px 1px rgb(var(--c-cocoa-700) / .25));
  transition: transform .5s ease;
}
html[data-theme] .lci-logo:hover::after { transform: rotate(-12deg) scale(1.08); }
@media (min-width: 1024px) {
  html[data-theme] .lci-logo::after { width: 30px; height: 30px; top: -6px; right: -12px; }
}

/* -- Bannière saisonnière --------------------------------------------------- */
html[data-theme] #lci-theme-banner { display: flex; }
html.lci-banner-dismissed #lci-theme-banner { display: none; }
#lci-theme-banner {
  position: relative;
  align-items: center;
  justify-content: center;
  gap: .65rem;
  max-width: 54rem;
  margin: .25rem auto 0;
  padding: .55rem 3rem .55rem 1.25rem;
  text-align: center;
  color: rgb(var(--c-cocoa-600));
  font-family: "IM Fell English", Georgia, serif;
  font-style: italic;
  font-size: 1.08rem;
  line-height: 1.35;
  background:
    linear-gradient(90deg, transparent 0%, rgb(var(--c-terracotta-50) / .9) 14%, rgb(var(--c-terracotta-50) / .9) 86%, transparent 100%);
  border-top: 1px dashed rgb(var(--c-terracotta-200) / .8);
  border-bottom: 1px dashed rgb(var(--c-terracotta-200) / .8);
  animation: lci-banner-in .7s cubic-bezier(.2,.7,.2,1) both;
}
#lci-theme-banner::before {
  content: "";
  flex: none;
  width: 22px; height: 22px;
  background: var(--deco-badge, none) center / contain no-repeat;
}
#lci-theme-banner .lci-theme-banner-text { min-width: 0; }
#lci-theme-banner button {
  position: absolute;
  right: .35rem; top: 50%;
  transform: translateY(-50%);
  width: 40px; height: 40px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 9999px;
  color: rgb(var(--c-cocoa-400));
  background: transparent;
  transition: background .2s ease, color .2s ease;
}
#lci-theme-banner button:hover { background: rgb(var(--c-cream-200) / .6); color: rgb(var(--c-terracotta-600)); }
@media (max-width: 767px) {
  #lci-theme-banner { font-size: 1rem; margin: 0 1rem; padding-left: .75rem; }
  #lci-theme-banner::before { width: 18px; height: 18px; }
}

/* -- Frise posée sur le pied de page ---------------------------------------- */
html[data-theme] body > footer::before {
  content: "";
  position: absolute;
  left: 0; right: 0;
  bottom: 100%;
  margin-bottom: -1px;
  height: var(--deco-frieze-h, 0);
  background: var(--deco-frieze, none) repeat-x left bottom / var(--deco-frieze-w, 240px) var(--deco-frieze-h, 0);
  pointer-events: none;
}
@media (max-width: 767px) {
  html[data-theme] body > footer::before {
    height: calc(var(--deco-frieze-h, 0px) * .8);
    background-size: calc(var(--deco-frieze-w, 240px) * .8) calc(var(--deco-frieze-h, 0px) * .8);
  }
}

/* -- Séparateurs de section : l'ornement prend le motif du thème ------------ */
html[data-theme] .section-divider { background: var(--deco-divider, none) center / 22px 22px no-repeat; }
html[data-theme] .section-divider > svg,
html[data-theme] .section-divider > span { visibility: hidden; }

/* -- Barre de défilement aux couleurs du thème ------------------------------- */
html[data-theme] { scrollbar-color: rgb(var(--c-terracotta-200)) rgb(var(--c-cream-100)); }

/* -- « Le saviez-vous ? » : la tradition de la fête (page d'accueil) --------- */
html[data-theme] #lci-theme-tradition { display: block; }
#lci-theme-tradition {
  position: relative;
  max-width: 44rem;
  margin: 4.5rem auto 0;
  padding: 2.25rem 1.75rem 2rem;
  text-align: center;
  color: rgb(var(--c-cocoa-600));
  background:
    radial-gradient(ellipse at 50% 0%, rgb(var(--c-terracotta-50) / .9), transparent 70%),
    rgb(var(--c-cream-100) / .7);
  border: 1px dashed rgb(var(--c-terracotta-200));
  border-radius: 1.5rem;
}
#lci-theme-tradition::before {
  content: "";
  position: absolute;
  top: -21px; left: 50%;
  width: 42px; height: 42px;
  margin-left: -21px;
  border-radius: 9999px;
  background: rgb(var(--c-paper)) var(--deco-badge, none) center / 28px 28px no-repeat;
  border: 1px solid rgb(var(--c-terracotta-200));
}
#lci-theme-tradition .lci-tt-eyebrow {
  font-family: "IM Fell English SC", serif;
  text-transform: uppercase;
  letter-spacing: .24em;
  font-size: .72rem;
  color: rgb(var(--c-terracotta-600));
}
#lci-theme-tradition .lci-tt-greeting {
  margin-top: .5rem;
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 4.5vw, 2.4rem);
  line-height: 1.15;
  color: rgb(var(--c-cocoa-700));
}
#lci-theme-tradition .lci-tt-greeting:lang(zh),
#lci-theme-tradition .lci-tt-greeting:lang(hi),
#lci-theme-tradition .lci-tt-greeting:lang(he),
#lci-theme-tradition .lci-tt-greeting:lang(ar) { font-family: var(--font-display), system-ui, sans-serif; }
#lci-theme-tradition .lci-tt-fr {
  margin-top: .2rem;
  font-style: italic;
  color: rgb(var(--c-cocoa-400));
}
#lci-theme-tradition .lci-tt-text {
  margin: 1rem auto 0;
  max-width: 36rem;
  font-size: 1.08rem;
  line-height: 1.7;
}
#lci-theme-tradition .lci-tt-symbols {
  margin-top: 1.1rem;
  display: flex; flex-wrap: wrap; justify-content: center; gap: .4rem;
}
#lci-theme-tradition .lci-tt-symbols li {
  padding: .2rem .7rem;
  border: 1px solid rgb(var(--c-line));
  border-radius: 9999px;
  background: rgb(var(--c-paper));
  font: .72rem/1.4 Inter, system-ui, sans-serif;
  color: rgb(var(--c-cocoa-500));
}
@media (max-width: 767px) {
  #lci-theme-tradition { margin: 3.5rem 1rem 0; padding: 2rem 1.1rem 1.6rem; }
}

/* -- Particules (feuilles, flocons…) et ornements d'angle ------------------- */
/* Placés DERRIÈRE le contenu (z-index négatif) : ils animent les marges et les
   zones vides sans jamais passer sur le texte. */
#lci-theme-fx {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
  contain: strict;
}
#lci-theme-fx i {
  position: absolute;
  top: 0;
  left: var(--x, 50%);
  width: calc(var(--fx-size, 18px) * var(--s, 1));
  height: calc(var(--fx-size, 18px) * var(--s, 1));
  background: var(--img) center / contain no-repeat;
  opacity: var(--o, .8);
  animation-name: var(--fx-anim, none);
  animation-duration: var(--d, 18s);
  animation-delay: var(--delay, 0s);
  animation-timing-function: linear;
  animation-iteration-count: infinite;
  will-change: transform;
  transform: translate3d(0, -12vh, 0);
}
#lci-theme-fx i:nth-child(4n+1) { --img: var(--fx-1); }
#lci-theme-fx i:nth-child(4n+2) { --img: var(--fx-2); }
#lci-theme-fx i:nth-child(4n+3) { --img: var(--fx-3); }
#lci-theme-fx i:nth-child(4n+4) { --img: var(--fx-4); }
/* Mobile : moitié moins de particules. */
@media (max-width: 767px) {
  #lci-theme-fx i:nth-child(n+7) { display: none; }
}

@keyframes lci-fx-fall {
  0%   { transform: translate3d(0, -12vh, 0) rotate(0deg); }
  25%  { transform: translate3d(var(--sway, 30px), 22vh, 0) rotate(calc(var(--rot, 180deg) * .25)); }
  50%  { transform: translate3d(0, 50vh, 0) rotate(calc(var(--rot, 180deg) * .5)); }
  75%  { transform: translate3d(calc(var(--sway, 30px) * -1), 78vh, 0) rotate(calc(var(--rot, 180deg) * .75)); }
  100% { transform: translate3d(0, 112vh, 0) rotate(var(--rot, 180deg)); }
}
@keyframes lci-fx-rise {
  0%   { transform: translate3d(0, 110vh, 0) scale(.8); opacity: 0; }
  10%  { opacity: var(--o, .8); }
  50%  { transform: translate3d(var(--sway, 24px), 50vh, 0) scale(1); }
  90%  { opacity: var(--o, .8); }
  100% { transform: translate3d(0, -12vh, 0) scale(1.05); opacity: 0; }
}
@keyframes lci-fx-drift {
  0%   { transform: translate3d(-12vw, var(--y, 30vh), 0); }
  25%  { transform: translate3d(14vw, calc(var(--y, 30vh) - 4vh), 0); }
  50%  { transform: translate3d(40vw, calc(var(--y, 30vh) + 3vh), 0); }
  75%  { transform: translate3d(66vw, calc(var(--y, 30vh) - 3vh), 0); }
  100% { transform: translate3d(112vw, var(--y, 30vh), 0); }
}
/* Les « drifters » (chauves-souris) partent du bord gauche. */
html[data-theme] #lci-theme-fx[data-anim="drift"] i { left: 0; }

/* Ornements d'angle : seulement sur grand écran, dans les marges. */
#lci-theme-fx b {
  position: absolute;
  display: none;
  background: center top / contain no-repeat;
  transform-origin: top center;
}
@media (min-width: 1360px) {
  #lci-theme-fx b { display: block; }
}
#lci-theme-fx .lci-c-l  { top: 104px; left: 14px;  width: var(--deco-corner-l-w, 0);  height: var(--deco-corner-l-h, 0);  background-image: var(--deco-corner-l, none); }
#lci-theme-fx .lci-c-r  { top: 104px; right: 18px; width: var(--deco-corner-r-w, 0);  height: var(--deco-corner-r-h, 0);  background-image: var(--deco-corner-r, none); }
#lci-theme-fx .lci-c-bl { bottom: 18px; left: 18px;  width: var(--deco-corner-bl-w, 0); height: var(--deco-corner-bl-h, 0); background-image: var(--deco-corner-bl, none); }
#lci-theme-fx .lci-c-br { bottom: 18px; right: 18px; width: var(--deco-corner-br-w, 0); height: var(--deco-corner-br-h, 0); background-image: var(--deco-corner-br, none); }
/* La toile d'araignée se colle dans l'angle, sous l'en-tête. */
html[data-theme="halloween"] #lci-theme-fx .lci-c-l { top: 92px; left: 0; }

/* -- Petites animations (seulement si le mouvement est accepté) -------------- */
@media (prefers-reduced-motion: no-preference) {
  html[data-theme] #lci-header::before { animation: lci-twinkle 2.6s ease-in-out infinite alternate; }
  html[data-theme] #lci-header:not([data-scrolled="true"])::after { animation: var(--deco-garland-anim, none) 5s ease-in-out infinite alternate; }
  #lci-theme-fx .lci-c-l, #lci-theme-fx .lci-c-r { animation: var(--deco-corner-anim, none) 5.5s ease-in-out infinite alternate; }
  #lci-theme-fx .lci-c-r { animation-delay: -2.4s; }
  #lci-theme-fx .lci-c-bl, #lci-theme-fx .lci-c-br { animation: lci-flicker 3.2s ease-in-out infinite alternate; transform-origin: center bottom; }
  #lci-theme-fx .lci-c-br { animation-delay: -1.3s; }
  html[data-theme] .lci-logo::after { animation: lci-badge-in .8s cubic-bezier(.2,.7,.2,1.3) both; }
}
@media (prefers-reduced-motion: reduce) {
  #lci-theme-fx i { display: none; }
  #lci-theme-banner { animation: none; }
}
@keyframes lci-twinkle { 0% { opacity: .35; } 45% { opacity: 1; } 100% { opacity: .55; } }
@keyframes lci-sway { from { transform: translateY(0) scaleY(1); } to { transform: translateY(1.5px) scaleY(1.04); } }
@keyframes lci-swing { from { transform: rotate(-2.4deg); } to { transform: rotate(2.4deg); } }
@keyframes lci-flicker { 0% { transform: scale(1); filter: brightness(1); } 100% { transform: scale(1.03, 1.06); filter: brightness(1.08); } }
@keyframes lci-badge-in { from { transform: scale(.2) rotate(-40deg); opacity: 0; } to { transform: none; opacity: 1; } }
@keyframes lci-banner-in { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: none; } }

/* -- Aperçu admin (?apercu=<thème>) ----------------------------------------- */
#lci-theme-preview {
  position: fixed;
  left: 50%; bottom: calc(84px + env(safe-area-inset-bottom));
  transform: translateX(-50%);
  z-index: 90;
  display: flex; align-items: center; gap: .6rem;
  padding: .45rem .5rem .45rem 1rem;
  border-radius: 9999px;
  background: rgb(var(--c-cocoa-800));
  color: rgb(var(--c-cream-50));
  font: 500 .8rem/1.2 Inter, system-ui, sans-serif;
  white-space: nowrap;
  box-shadow: 0 10px 30px -12px rgb(0 0 0 / .45);
}
#lci-theme-preview a {
  padding: .35rem .8rem; border-radius: 9999px;
  background: rgb(var(--c-cream-50)); color: rgb(var(--c-cocoa-800));
}
@media (min-width: 1024px) { #lci-theme-preview { bottom: 24px; } }

@media print {
  #lci-theme-fx, #lci-theme-banner, #lci-theme-preview, #lci-theme-tradition { display: none !important; }
  html[data-theme] body > footer::before { display: none; }
  html[data-theme] #lci-header::after, html[data-theme] #lci-header::before { display: none; }
}