/* ==========================================================================
   105 — Context Menu
   Menu contextuel clic droit : apparition en scale depuis le coin d'origine
   (transform-origin posée par le JS selon les retournements), items en
   micro-stagger, sous-menu qui se déplie latéralement, séparateur, item
   danger, flash de l'item sélectionné, navigation clavier complète.
   Racine : .context-menu — le menu est en absolute DANS la zone (jamais
   fixed), repositionné pour rester contenu. preventDefault scopé à la zone.
   ========================================================================== */

.context-menu {
  --cm-accent: var(--ml-accent, #7c8cff);
  --cm-panel: color-mix(in srgb, var(--ml-surface, #151a24) 88%, white);
  --cm-danger: #f87171;

  position: relative;
  width: 320px;
  max-width: 100%;
  height: 244px;
  border-radius: 16px;
  overflow: hidden;
  background: var(--ml-surface, #151a24);
  border: 1px solid rgba(255, 255, 255, 0.06);
  color: var(--ml-fg, #e8eaf2);
}

/* --- Zone : canvas de fichiers factices ------------------------------------ */

.context-menu__zone {
  position: absolute;
  inset: 0;
  padding: 22px 18px 40px;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  background:
    radial-gradient(circle at 80% 10%, color-mix(in srgb, var(--cm-accent) 5%, transparent), transparent 55%);
  cursor: default;
  -webkit-user-select: none;
  user-select: none;
  -webkit-touch-callout: none; /* iOS : pas de menu natif à l'appui long */
}

.context-menu__zone:focus-visible {
  outline: 2px solid var(--cm-accent);
  outline-offset: -2px;
  border-radius: 16px;
}

.context-menu__file {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 7px;
  width: 74px;
  padding: 12px 6px 10px;
  border-radius: 12px;
  transition: background 0.2s ease;
}

.context-menu__zone:hover .context-menu__file {
  background: rgba(255, 255, 255, 0.025);
}

.context-menu__file-icon {
  display: block;
  width: 30px;
  height: 30px;
  color: var(--ml-muted, #8b91a3);
}

.context-menu__file:first-child .context-menu__file-icon {
  color: color-mix(in srgb, var(--cm-accent) 70%, var(--ml-muted, #8b91a3));
}

.context-menu__file-name {
  font-size: 0.66rem;
  font-weight: 500;
  color: var(--ml-muted, #8b91a3);
  letter-spacing: 0.01em;
}

.context-menu__hint {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 13px;
  margin: 0;
  text-align: center;
  font-size: 0.68rem;
  color: color-mix(in srgb, var(--ml-muted, #8b91a3) 75%, transparent);
  pointer-events: none;
}

/* Mention "appui long" seulement sur écrans tactiles */
.context-menu__hint-touch { display: none; }

@media (pointer: coarse) {
  .context-menu__hint-touch { display: inline; }
}

/* --- Menu : scale depuis le coin d'origine ---------------------------------
   left/top et transform-origin posés par anim.js (coin = point du curseur,
   retourné si le menu déborde de la zone). */

.context-menu__menu {
  position: absolute;
  z-index: 2;
  width: 168px;
  padding: 5px;
  border-radius: 12px;
  background: var(--cm-panel);
  border: 1px solid rgba(255, 255, 255, 0.09);
  box-shadow: 0 18px 36px -14px rgba(0, 0, 0, 0.7);
  opacity: 0;
  transform: scale(0.82);
}

.context-menu__menu[hidden] { display: none; }

.context-menu__menu.is-open {
  animation: context-menu-in 0.34s cubic-bezier(0.22, 1.36, 0.36, 1) forwards;
}

@keyframes context-menu-in {
  from { opacity: 0; transform: scale(0.82); }
  to   { opacity: 1; transform: scale(1); }
}

.context-menu__menu.is-closing {
  animation: context-menu-out 0.13s ease forwards;
}

@keyframes context-menu-out {
  from { opacity: 1; transform: scale(1); }
  to   { opacity: 0; transform: scale(0.94); }
}

/* --- Items : micro-stagger à l'ouverture ------------------------------------ */

.context-menu__item {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 7px 9px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--ml-fg, #e8eaf2);
  font-family: inherit;
  font-size: 0.76rem;
  font-weight: 500;
  line-height: 1.2;
  text-align: left;
  cursor: pointer;
  opacity: 0;
  transform: translateY(-4px);
  transition: background 0.15s ease, color 0.15s ease;
}

.context-menu__menu.is-open .context-menu__item,
.context-menu__menu.is-open .context-menu__sep {
  opacity: 1;
  transform: translateY(0);
  transition:
    opacity 0.2s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.2s cubic-bezier(0.22, 1, 0.36, 1),
    background 0.15s ease,
    color 0.15s ease;
}

/* Micro-stagger ~22 ms sur les enfants directs (groupe et séparateur inclus) */
.context-menu__menu.is-open > :nth-child(1) { transition-delay: 0.03s; }
.context-menu__menu.is-open > :nth-child(2) { transition-delay: 0.052s; }
.context-menu__menu.is-open > :nth-child(3) .context-menu__item--sub { transition-delay: 0.074s; }
.context-menu__menu.is-open > :nth-child(4) { transition-delay: 0.096s; }
.context-menu__menu.is-open > :nth-child(5) { transition-delay: 0.118s; }
.context-menu__menu.is-open > :nth-child(6) { transition-delay: 0.14s; }

.context-menu__item:hover,
.context-menu__item:focus-visible,
.context-menu__item.is-active {
  background: color-mix(in srgb, var(--cm-accent) 18%, transparent);
}

.context-menu__item:focus-visible {
  outline: 2px solid var(--cm-accent);
  outline-offset: -2px;
}

.context-menu__hint-key {
  margin-left: auto;
  font-size: 0.62rem;
  font-weight: 500;
  color: var(--ml-muted, #8b91a3);
  letter-spacing: 0.04em;
}

/* Flash de sélection : double clignotement rapide avant fermeture */
.context-menu__item.is-flash {
  animation: context-menu-flash 0.24s steps(1, end);
}

@keyframes context-menu-flash {
  0%, 50%  { background: color-mix(in srgb, var(--cm-accent) 42%, transparent); }
  25%, 75% { background: transparent; }
}

.context-menu__item--danger.is-flash {
  animation-name: context-menu-flash-danger;
}

@keyframes context-menu-flash-danger {
  0%, 50%  { background: color-mix(in srgb, var(--cm-danger) 34%, transparent); }
  25%, 75% { background: transparent; }
}

/* --- Séparateur + danger ----------------------------------------------------- */

.context-menu__sep {
  height: 1px;
  margin: 4px 7px;
  background: rgba(255, 255, 255, 0.08);
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity 0.12s ease;
}

.context-menu__item--danger {
  color: color-mix(in srgb, var(--cm-danger) 82%, var(--ml-fg, #e8eaf2));
}

.context-menu__item--danger:hover,
.context-menu__item--danger:focus-visible,
.context-menu__item--danger.is-active {
  background: color-mix(in srgb, var(--cm-danger) 14%, transparent);
}

.context-menu__item--danger:focus-visible {
  outline-color: var(--cm-danger);
}

/* --- Sous-menu : dépliage latéral -------------------------------------------- */

.context-menu__group {
  position: relative;
}

.context-menu__caret {
  display: block;
  width: 12px;
  height: 12px;
  margin-left: auto;
  color: var(--ml-muted, #8b91a3);
  transition: transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1), color 0.15s ease;
}

.context-menu__group.is-sub-open .context-menu__caret {
  transform: translateX(2px);
  color: var(--cm-accent);
}

.context-menu__group.is-sub-open > .context-menu__item--sub {
  background: color-mix(in srgb, var(--cm-accent) 18%, transparent);
}

.context-menu__sub {
  position: absolute;
  top: -5px;
  left: calc(100% + 3px);
  z-index: 1;
  width: 132px;
  padding: 5px;
  border-radius: 11px;
  background: var(--cm-panel);
  border: 1px solid rgba(255, 255, 255, 0.09);
  box-shadow: 0 14px 30px -12px rgba(0, 0, 0, 0.7);
  transform-origin: left top;
  opacity: 0;
  visibility: hidden;
  transform: translateX(-5px) scale(0.92);
  transition:
    opacity 0.13s ease,
    transform 0.14s ease,
    visibility 0s linear 0.14s;
}

/* Retournement : s'ouvre vers la gauche (classe posée par le JS) */
.context-menu__menu--sub-left .context-menu__sub {
  left: auto;
  right: calc(100% + 3px);
  transform-origin: right top;
  transform: translateX(5px) scale(0.92);
}

.context-menu__group.is-sub-open .context-menu__sub {
  opacity: 1;
  visibility: visible;
  transform: translateX(0) scale(1);
  transition:
    opacity 0.18s ease,
    transform 0.24s cubic-bezier(0.22, 1.36, 0.36, 1),
    visibility 0s;
}

/* Les items du sous-menu ne participent pas au stagger du menu parent */
.context-menu__sub .context-menu__item {
  opacity: 1;
  transform: none;
  transition: background 0.15s ease, color 0.15s ease;
}

/* --- Reduced motion ------------------------------------------------------------ */

@media (prefers-reduced-motion: reduce) {
  .context-menu__menu.is-open,
  .context-menu__menu.is-closing {
    animation-duration: 0.01s;
  }

  .context-menu__item,
  .context-menu__sep,
  .context-menu__menu.is-open .context-menu__item,
  .context-menu__menu.is-open .context-menu__sep,
  .context-menu__menu.is-open > :nth-child(n),
  .context-menu__menu.is-open > :nth-child(3) .context-menu__item--sub {
    transition-duration: 0.01s;
    transition-delay: 0s;
    transform: none;
  }

  .context-menu__sub,
  .context-menu__group.is-sub-open .context-menu__sub,
  .context-menu__menu--sub-left .context-menu__sub {
    transition-duration: 0.01s;
    transition-delay: 0s;
    transform: none;
  }

  .context-menu__caret,
  .context-menu__group.is-sub-open .context-menu__caret {
    transition: none;
    transform: none;
  }

  .context-menu__item.is-flash {
    animation-duration: 0.01s;
  }
}