/* ==========================================================================
   Widget Chatbot IA — Styles
   ========================================================================== */

/* --- Bouton flottant --- */
.kar-chatbot-button {
  position: fixed;
  bottom: 100px;
  right: 24px;
  z-index: var(--kar-z-chatbot, 310);
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--kar-rouge, #D42027);
  color: var(--kar-blanc, #FFFFFF);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  box-shadow: var(--kar-shadow-lg);
  transition: transform var(--kar-transition-fast, 150ms ease),
              background-color var(--kar-transition-fast, 150ms ease);
}

.kar-chatbot-button:hover {
  transform: scale(1.08);
  background: var(--kar-rouge-fonce, #B91C22);
}

.kar-chatbot-button--active {
  background: var(--kar-noir, #0D0D0D);
}

/* Pulse animation au premier affichage */
@keyframes kar-pulse {
  0% { box-shadow: 0 0 0 0 rgba(212, 32, 39, 0.5); }
  70% { box-shadow: 0 0 0 15px rgba(212, 32, 39, 0); }
  100% { box-shadow: 0 0 0 0 rgba(212, 32, 39, 0); }
}

.kar-chatbot-button:not(.kar-chatbot-button--active) {
  animation: kar-pulse 2s ease infinite;
}

/* --- Panneau de chat --- */
.kar-chatbot-panel {
  position: fixed;
  bottom: 170px;
  right: 24px;
  z-index: var(--kar-z-chatbot, 310);
  width: 380px;
  height: 500px;
  max-height: calc(100vh - 200px);
  background: var(--kar-blanc, #FFFFFF);
  border-radius: var(--kar-radius-xl, 16px);
  box-shadow: var(--kar-shadow-xl);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  opacity: 0;
  transform: translateY(20px) scale(0.95);
  pointer-events: none;
  transition: opacity var(--kar-transition-base, 250ms ease),
              transform var(--kar-transition-base, 250ms ease);
}

.kar-chatbot-panel--open {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

/* --- Header du chat --- */
.kar-chatbot-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--kar-space-4, 1rem) var(--kar-space-5, 1.25rem);
  background: var(--kar-noir, #0D0D0D);
  color: var(--kar-blanc, #FFFFFF);
  flex-shrink: 0;
}

.kar-chatbot-header__info {
  display: flex;
  align-items: center;
  gap: var(--kar-space-3, 0.75rem);
}

.kar-chatbot-header__avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--kar-rouge, #D42027);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}

.kar-chatbot-header__name {
  font-family: var(--kar-font-corps, 'DM Sans', sans-serif);
  font-weight: var(--kar-font-semibold, 600);
  font-size: var(--kar-text-sm, 0.875rem);
}

.kar-chatbot-header__status {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--kar-vert, #2D8C4E);
}

.kar-chatbot-header__status::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--kar-vert, #2D8C4E);
}

.kar-chatbot-close {
  background: none;
  border: none;
  color: var(--kar-blanc, #FFFFFF);
  font-size: 20px;
  cursor: pointer;
  padding: 4px;
  line-height: 1;
  opacity: 0.7;
  transition: opacity var(--kar-transition-fast, 150ms ease);
}

.kar-chatbot-close:hover {
  opacity: 1;
}

/* --- Zone de messages --- */
.kar-chatbot-messages {
  flex: 1;
  overflow-y: auto;
  padding: var(--kar-space-4, 1rem);
  display: flex;
  flex-direction: column;
  gap: var(--kar-space-3, 0.75rem);
  background: var(--kar-creme, #FAF8F5);
}

.kar-chatbot-msg {
  display: flex;
  max-width: 85%;
}

.kar-chatbot-msg--user {
  align-self: flex-end;
}

.kar-chatbot-msg--bot {
  align-self: flex-start;
}

.kar-chatbot-bubble {
  padding: var(--kar-space-3, 0.75rem) var(--kar-space-4, 1rem);
  border-radius: var(--kar-radius-lg, 12px);
  font-family: var(--kar-font-corps, 'DM Sans', sans-serif);
  font-size: var(--kar-text-sm, 0.875rem);
  line-height: 1.5;
  word-break: break-word;
}

.kar-chatbot-msg--user .kar-chatbot-bubble {
  background: var(--kar-rouge, #D42027);
  color: var(--kar-blanc, #FFFFFF);
  border-bottom-right-radius: 4px;
}

.kar-chatbot-msg--bot .kar-chatbot-bubble {
  background: var(--kar-blanc, #FFFFFF);
  color: var(--kar-noir, #0D0D0D);
  border-bottom-left-radius: 4px;
  box-shadow: var(--kar-shadow-sm);
}

/* Message système */
.kar-chatbot-system {
  text-align: center;
  font-size: 11px;
  color: var(--kar-noir-40, rgba(13, 13, 13, 0.4));
  padding: var(--kar-space-1, 0.25rem) 0;
}

/* --- Typing indicator --- */
.kar-chatbot-typing {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: var(--kar-space-3, 0.75rem) var(--kar-space-5, 1.25rem);
}

.kar-chatbot-typing span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--kar-noir-40, rgba(13, 13, 13, 0.4));
  animation: kar-typing-dot 1.4s ease infinite;
}

.kar-chatbot-typing span:nth-child(2) {
  animation-delay: 0.2s;
}

.kar-chatbot-typing span:nth-child(3) {
  animation-delay: 0.4s;
}

@keyframes kar-typing-dot {
  0%, 60%, 100% { opacity: 0.3; transform: scale(0.8); }
  30% { opacity: 1; transform: scale(1); }
}

/* --- Suggestions rapides --- */
.kar-chatbot-suggestions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--kar-space-2, 0.5rem);
  padding: 0 var(--kar-space-4, 1rem) var(--kar-space-3, 0.75rem);
  background: var(--kar-creme, #FAF8F5);
}

.kar-chatbot-suggestion-btn {
  font-family: var(--kar-font-corps, 'DM Sans', sans-serif);
  font-size: 12px;
  padding: 6px 12px;
  border: 1px solid var(--kar-rouge-20, rgba(212, 32, 39, 0.2));
  border-radius: var(--kar-radius-full, 9999px);
  background: var(--kar-blanc, #FFFFFF);
  color: var(--kar-rouge, #D42027);
  cursor: pointer;
  transition: all var(--kar-transition-fast, 150ms ease);
}

.kar-chatbot-suggestion-btn:hover {
  background: var(--kar-rouge, #D42027);
  color: var(--kar-blanc, #FFFFFF);
}

/* --- Zone de saisie --- */
.kar-chatbot-input-area {
  display: flex;
  align-items: center;
  gap: var(--kar-space-2, 0.5rem);
  padding: var(--kar-space-3, 0.75rem) var(--kar-space-4, 1rem);
  border-top: 1px solid var(--kar-noir-10, rgba(13, 13, 13, 0.1));
  background: var(--kar-blanc, #FFFFFF);
  flex-shrink: 0;
}

.kar-chatbot-input {
  flex: 1;
  font-family: var(--kar-font-corps, 'DM Sans', sans-serif);
  font-size: var(--kar-text-sm, 0.875rem);
  padding: var(--kar-space-2, 0.5rem) var(--kar-space-3, 0.75rem);
  border: 1px solid var(--kar-noir-10, rgba(13, 13, 13, 0.1));
  border-radius: var(--kar-radius-full, 9999px);
  background: var(--kar-gris-clair, #F5F3F0);
  outline: none;
  transition: border-color var(--kar-transition-fast, 150ms ease);
}

.kar-chatbot-input:focus {
  border-color: var(--kar-rouge, #D42027);
}

.kar-chatbot-input:disabled {
  opacity: 0.5;
}

.kar-chatbot-send {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--kar-rouge, #D42027);
  color: var(--kar-blanc, #FFFFFF);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  transition: background-color var(--kar-transition-fast, 150ms ease);
  flex-shrink: 0;
}

.kar-chatbot-send:hover {
  background: var(--kar-rouge-fonce, #B91C22);
}

.kar-chatbot-send:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* --- Carte de réservation dans le chat --- */
.kar-chatbot-reservation-card {
  background: var(--kar-blanc, #FFFFFF);
  border: 2px solid var(--kar-rouge, #D42027);
  border-radius: var(--kar-radius-lg, 12px);
  padding: var(--kar-space-4, 1rem);
  margin: var(--kar-space-2, 0.5rem) 0;
  font-size: var(--kar-text-sm, 0.875rem);
}

.kar-chatbot-reservation-btn {
  display: block;
  width: 100%;
  margin-top: var(--kar-space-3, 0.75rem);
  padding: var(--kar-space-3, 0.75rem);
  font-family: var(--kar-font-titres, 'Bebas Neue', sans-serif);
  font-size: var(--kar-text-base, 1rem);
  letter-spacing: 0.5px;
  color: var(--kar-blanc, #FFFFFF);
  background: var(--kar-vert, #2D8C4E);
  border: none;
  border-radius: var(--kar-radius-md, 8px);
  cursor: pointer;
  transition: background-color var(--kar-transition-fast, 150ms ease);
}

.kar-chatbot-reservation-btn:hover {
  background: #24703F;
}

/* --- Responsive mobile : plein écran --- */
@media (max-width: 767px) {
  .kar-chatbot-panel {
    bottom: 0;
    right: 0;
    width: 100%;
    height: 100%;
    max-height: 100vh;
    border-radius: 0;
  }

  .kar-chatbot-button {
    bottom: 80px;
    right: 16px;
  }
}

/* --- Respect de la préférence de réduction de mouvement --- */
@media (prefers-reduced-motion: reduce) {
  .kar-chatbot-button:not(.kar-chatbot-button--active) {
    animation: none;
  }

  .kar-chatbot-panel {
    transition: opacity 0.1s ease;
    transform: none;
  }

  .kar-chatbot-panel--open {
    transform: none;
  }
}