#blitzChatBubble {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  width: 60px;
  height: 60px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: var(--color-white);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  z-index: 9500;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), opacity var(--transition-normal);
}


#blitzChatBubble.is-hidden {
  opacity: 0;
  pointer-events: none;
  transform: scale(0.8);
}

#blitzChatBubble:hover {
  transform: translateY(-3px) scale(1.04);
  box-shadow: var(--shadow-xl);
}

#blitzChatBubble svg {
  width: 26px;
  height: 26px;
}

#blitzChatBubble .blitz-chat-bubble__badge {
  position: absolute;
  top: -4px;
  right: -4px;
  min-width: 22px;
  height: 22px;
  padding: 0 5px;
  border-radius: var(--radius-full);
  background: var(--color-accent);
  color: var(--color-primary);
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: var(--weight-bold);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--color-white);
}

#blitzChatBubble .blitz-chat-bubble__badge:empty,
#blitzChatBubble .blitz-chat-bubble__badge[data-count="0"] {
  display: none;
}

@media (max-width: 640px) {
  #blitzChatBubble {
    bottom: var(--space-4);
    right: var(--space-4);
    width: 54px;
    height: 54px;
  }
}


#blitzChatWindow {
  position: fixed;
  bottom: calc(var(--space-6) + 74px);
  right: var(--space-6);
  width: 372px;
  max-width: calc(100vw - 2 * var(--space-4));
  height: 560px;
  max-height: calc(100vh - 140px);
  background: var(--color-white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  z-index: 9499;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  opacity: 0;
  transform: translateY(16px) scale(0.98);
  pointer-events: none;
  transition: opacity var(--transition-normal), transform var(--transition-normal);
  font-family: var(--font-body);
}

#blitzChatWindow.open {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

@media (max-width: 640px) {
  #blitzChatWindow {
    bottom: 0;
    right: 0;
    width: 100vw;
    max-width: 100vw;
    height: 100vh;
    max-height: 100vh;
    border-radius: 0;
  }
}


.blitz-chat__header {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: var(--color-white);
  padding: var(--space-4) var(--space-5);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}

.blitz-chat__header-avatar {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-full);
  background: rgba(255,255,255,0.18);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
  overflow: hidden;
}

.blitz-chat__header-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-full);
}

.blitz-chat__header-info {
  flex: 1;
  min-width: 0;
}

.blitz-chat__header-title {
  font-family: var(--font-heading);
  font-weight: var(--weight-bold);
  font-size: var(--text-base);
  line-height: 1.2;
}

.blitz-chat__header-status {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.85);
  display: flex;
  align-items: center;
  gap: 5px;
  margin-top: 2px;
}

.blitz-chat__header-status-dot {
  width: 7px;
  height: 7px;
  border-radius: var(--radius-full);
  background: #3FCF7A;
  flex-shrink: 0;
}

.blitz-chat__header-close {
  background: none;
  border: none;
  color: var(--color-white);
  font-size: 1.4rem;
  line-height: 1;
  cursor: pointer;
  padding: var(--space-1) var(--space-2);
  opacity: 0.85;
  flex-shrink: 0;
}

.blitz-chat__header-close:hover { opacity: 1; }


.blitz-chat__precha {
  padding: var(--space-6) var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  overflow-y: auto;
}

.blitz-chat__precha p {
  color: var(--color-text-light);
  font-size: var(--text-sm);
  line-height: var(--leading-normal);
  margin: 0;
}

.blitz-chat__precha input {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  outline: none;
  transition: border-color var(--transition-fast);
}

.blitz-chat__precha input:focus {
  border-color: var(--color-primary-light);
}

.blitz-chat__precha button {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: none;
  border-radius: var(--radius-md);
  background: var(--color-accent);
  color: var(--color-primary);
  font-family: var(--font-body);
  font-weight: var(--weight-bold);
  font-size: var(--text-sm);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.blitz-chat__precha button:hover { background: var(--color-accent-light); }
.blitz-chat__precha button:disabled { opacity: 0.6; cursor: default; }

.blitz-chat__precha-error {
  color: var(--color-error);
  font-size: var(--text-xs);
  line-height: var(--leading-normal);
  margin: calc(var(--space-4) * -1) 0 0 0;
}


.blitz-chat__messages {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-4) var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  background: var(--color-bg);
}

.blitz-chat__msg {
  max-width: 80%;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
  line-height: var(--leading-normal);
  word-wrap: break-word;
  white-space: pre-wrap;
}

.blitz-chat__msg--visiteur {
  align-self: flex-end;
  background: var(--color-primary);
  color: var(--color-white);
  border-bottom-right-radius: var(--radius-sm);
}

.blitz-chat__msg--admin {
  align-self: flex-start;
  background: var(--color-white);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-bottom-left-radius: var(--radius-sm);
}


.blitz-chat__msg-author {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 4px;
  font-size: 0.72rem;
  font-weight: var(--weight-semi);
  color: var(--color-primary);
}

.blitz-chat__msg-author img {
  width: 18px;
  height: 18px;
  border-radius: var(--radius-full);
  object-fit: cover;
  flex-shrink: 0;
}

.blitz-chat__msg-author-fallback {
  width: 18px;
  height: 18px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  color: var(--color-white);
  font-size: 0.6rem;
  font-weight: var(--weight-bold);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.blitz-chat__msg--systeme {
  align-self: center;
  background: transparent;
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  text-align: center;
  max-width: 100%;
}

.blitz-chat__msg-time {
  display: block;
  margin-top: 3px;
  font-size: 0.68rem;
  opacity: 0.65;
}


.blitz-chat__inputbar {
  display: flex;
  align-items: flex-end;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-3);
  border-top: 1px solid var(--color-border);
  background: var(--color-white);
  flex-shrink: 0;
}

.blitz-chat__inputbar textarea {
  flex: 1;
  resize: none;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-2) var(--space-3);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  max-height: 88px;
  outline: none;
  transition: border-color var(--transition-fast);
}

.blitz-chat__inputbar textarea:focus {
  border-color: var(--color-primary-light);
}

.blitz-chat__inputbar button {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  color: var(--color-white);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background var(--transition-fast);
}

.blitz-chat__inputbar button:hover { background: var(--color-primary-light); }
.blitz-chat__inputbar button:disabled { opacity: 0.5; cursor: default; }

.blitz-chat__inputbar svg { width: 18px; height: 18px; }


.blitz-chat__connstate {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-align: center;
  background: var(--color-bg-section);
  flex-shrink: 0;
}

.blitz-chat__connstate[hidden] { display: none; }

/* ---------- Message supprimé / modifié ---------- */
.blitz-chat__msg--supprime { font-style: italic; opacity: 0.75; }
.blitz-chat__msg-modifie-tag { font-size: 0.62rem; opacity: 0.7; font-style: italic; }

/* ---------- Barre d'édition (au-dessus du composer) ---------- */
.blitz-chat__editbar {
  display: flex; align-items: center; gap: 8px; padding: 6px var(--space-3);
  background: var(--color-bg-section); font-size: var(--text-xs); color: var(--color-primary); flex-shrink: 0;
}
.blitz-chat__editbar[hidden] { display: none; }
.blitz-chat__editbar button { background: none; border: none; color: var(--color-text-muted); font-size: 16px; cursor: pointer; padding: 2px 4px; }

/* ---------- Menu d'actions sur un message (appui long : modifier / supprimer) ---------- */
#blitzMsgActionBackdrop {
  display: none; position: fixed; inset: 0; background: rgba(10,15,30,0.4); z-index: 9600;
}
#blitzMsgActionSheet {
  display: none; position: fixed; left: 0; right: 0; bottom: 0; z-index: 9601;
  background: var(--color-white); border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  padding-bottom: env(safe-area-inset-bottom, 0px); box-shadow: 0 -6px 24px rgba(0,0,0,0.18);
}
#blitzMsgActionSheet button {
  display: block; width: 100%; text-align: left; padding: 15px 22px; border: none;
  background: none; font-size: var(--text-sm); color: var(--color-text); cursor: pointer; font-family: var(--font-body);
}
#blitzMsgActionSheet button:active { background: var(--color-bg-section); }
#blitzMsgActionSheet .blitz-chat__action-danger { color: var(--color-error); }
#blitzMsgActionSheet .blitz-chat__action-cancel { color: var(--color-text-muted); border-top: 1px solid var(--color-border); margin-top: 4px; }