/* ============================================================
   chatbot.css — styles isolés, toutes les classes préfixées chat-
   ============================================================ */

/* ── Variables scoped au chatbot uniquement ── */
#chatbot-overlay,
#chatbot-window,
#chatbot-trigger {
  --chat-navy:       #0d1b3e;
  --chat-navy-mid:   #1a2d5a;
  --chat-blue:       #2563eb;
  --chat-blue-light: #3b82f6;
  --chat-cyan-bg:    #e0f4f7;
  --chat-cyan-border:#a8dde8;
  --chat-white:      #ffffff;
  --chat-gray-100:   #f1f5f9;
  --chat-gray-200:   #e2e8f0;
  --chat-gray-400:   #94a3b8;
  --chat-gray-600:   #475569;
  --chat-gray-800:   #1e293b;
  --chat-shadow:     0 20px 60px rgba(13,27,62,0.18), 0 4px 16px rgba(13,27,62,0.10);
}

#chatbot-overlay * {
    text-align: left;
}

/* ── Trigger button ── */
#chatbot-trigger {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--chat-navy);
  color: var(--chat-white);
  border: none;
  border-radius: 50px;
  padding: 10px 28px;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(13,27,62,0.22);
  transition: background 0.18s, transform 0.15s, box-shadow 0.18s;
}
#chatbot-trigger:hover {
  background: var(--chat-navy-mid);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(13,27,62,0.28);
}
#chatbot-trigger svg { flex-shrink: 0; }

/* ── Overlay ── */
#chatbot-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(13,27,62,0.35);
  backdrop-filter: blur(3px);
  z-index: 9999;
  align-items: center;
  justify-content: center;
  animation: chat-fadeIn 0.2s ease;
}
#chatbot-overlay.open { display: flex; }

@keyframes chat-fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes chat-slideUp {
  from { opacity: 0; transform: translateY(24px) scale(0.97); }
  to   { opacity: 1; transform: translateY(0)    scale(1);    }
}
@keyframes chat-msgIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0);   }
}
@keyframes chat-bounce {
  0%, 60%, 100% { transform: translateY(0); }
  30%           { transform: translateY(-6px); }
}

/* ── Chat window ── */
#chatbot-window {
  background: var(--chat-white);
  border-radius: 18px;
  box-shadow: var(--chat-shadow);
  width: 680px;
  max-width: calc(100vw - 32px);
  height: 620px;
  max-height: calc(100vh - 48px);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  animation: chat-slideUp 0.28s cubic-bezier(0.34,1.56,0.64,1);
  resize: both;
  min-width: 360px;
  min-height: 400px;
  font-family: 'DM Sans', sans-serif;
}

/* ── Header ── */
.chat-header {
  background: var(--chat-navy);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
}
.chat-header-left {
  display: flex;
  align-items: center;
  gap: 12px;
}
.chat-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--chat-white);
}
.chat-logo svg { width: 28px; height: 28px; }

.chat-logo-text {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--chat-white);
  letter-spacing: 0.01em;
}
.chat-logo-text span { opacity: 0.65; font-weight: 300; }

.chat-badge {
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: 20px;
  padding: 3px 10px;
  font-size: 0.72rem;
  color: rgba(255,255,255,0.8);
  font-weight: 500;
  letter-spacing: 0.04em;
}
.chat-header-actions {
  display: flex;
  align-items: center;
  gap: 6px;
}
.chat-header-btn {
  background: rgba(255,255,255,0.1);
  border: none;
  border-radius: 8px;
  color: rgba(255,255,255,0.75);
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
  padding: 0;
}
.chat-header-btn:hover {
  background: rgba(255,255,255,0.2);
  color: var(--chat-white);
}

/* ── Context banner ── */
.chat-context-banner {
  background: var(--chat-cyan-bg);
  border-bottom: 1px solid var(--chat-cyan-border);
  padding: 10px 20px;
  font-size: 0.8rem;
  color: #1e6a7a;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}
.chat-context-banner svg { flex-shrink: 0; }

/* ── Messages area ── */
.chat-messages-area {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  scroll-behavior: smooth;
}
.chat-messages-area::-webkit-scrollbar { width: 4px; }
.chat-messages-area::-webkit-scrollbar-track { background: transparent; }
.chat-messages-area::-webkit-scrollbar-thumb {
  background: var(--chat-gray-200);
  border-radius: 4px;
}

/* ── Message rows ── */
.chat-msg {
  display: flex;
  gap: 10px;
  align-items: flex-end;
  max-width: 88%;
  animation: chat-msgIn 0.22s ease;
}
.chat-msg.chat-msg-user {
  margin-left: auto;
  flex-direction: row-reverse;
}

.chat-msg-avatar {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-weight: 600;
}
.chat-msg.chat-msg-bot  .chat-msg-avatar { background: var(--chat-navy); color: var(--chat-white); }
.chat-msg.chat-msg-user .chat-msg-avatar { background: var(--chat-blue); color: var(--chat-white); }

.chat-msg-wrap {
  display: flex;
  flex-direction: column;
  max-width: 100%;
}
.chat-msg.chat-msg-user .chat-msg-wrap { align-items: flex-end; }

.chat-msg-bubble {
  padding: 11px 15px;
  border-radius: 14px;
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--chat-gray-800);
  max-width: 100%;
}
.chat-msg.chat-msg-bot  .chat-msg-bubble {
  background: var(--chat-gray-100);
  border-bottom-left-radius: 4px;
}
.chat-msg.chat-msg-user .chat-msg-bubble {
  background: var(--chat-navy);
  color: var(--chat-white);
  border-bottom-right-radius: 4px;
}

.chat-msg-time {
  font-size: 0.68rem;
  color: var(--chat-gray-400);
  margin-top: 4px;
  padding: 0 4px;
}
.chat-msg.chat-msg-user .chat-msg-time { text-align: left; }

/* ── Typing indicator ── */
.chat-typing-indicator {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 12px 15px;
  background: var(--chat-gray-100);
  border-radius: 14px;
  border-bottom-left-radius: 4px;
  width: fit-content;
}
.chat-typing-indicator span {
  width: 7px;
  height: 7px;
  background: var(--chat-gray-400);
  border-radius: 50%;
  display: inline-block;
  animation: chat-bounce 1.2s infinite;
}
.chat-typing-indicator span:nth-child(2) { animation-delay: 0.2s; }
.chat-typing-indicator span:nth-child(3) { animation-delay: 0.4s; }

/* ── Input area ── */
.chat-input-area {
  border-top: 1px solid var(--chat-gray-200);
  padding: 14px 16px;
  flex-shrink: 0;
  background: var(--chat-white);
}
.chat-input-row {
  display: flex;
  align-items: flex-end;
  gap: 10px;
  background: var(--chat-gray-100);
  border: 1.5px solid var(--chat-gray-200);
  border-radius: 12px;
  padding: 8px 10px 8px 16px;
  transition: border-color 0.15s;
}
.chat-input-row:focus-within { border-color: var(--chat-blue-light); }

#chat-input {
  flex: 1;
  border: none;
  background: transparent;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.875rem;
  color: var(--chat-gray-800);
  resize: none;
  outline: none;
  max-height: 120px;
  line-height: 1.5;
  min-height: 22px;
}
#chat-input::placeholder { color: var(--chat-gray-400); }

#chat-send-btn {
  background: var(--chat-navy);
  border: none;
  border-radius: 8px;
  color: var(--chat-white);
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  padding: 0;
  transition: background 0.15s, transform 0.12s;
}
#chat-send-btn:hover  { background: var(--chat-blue); transform: scale(1.05); }
#chat-send-btn:active { transform: scale(0.97); }
#chat-send-btn:disabled { background: var(--chat-gray-400); cursor: not-allowed; transform: none; }

.chat-input-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 7px;
  padding: 0 4px;
}
.chat-input-footer-right {
  display: flex;
  align-items: center;
  gap: 8px;
}
.chat-input-hint {
  font-size: 0.71rem;
  color: var(--chat-gray-400);
  display: flex;
  align-items: center;
  gap: 4px;
}

/* ── Add context button ── */
#chat-pdf-input { display: none; }

.chat-add-context-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: transparent;
  border: 1px solid var(--chat-gray-200);
  border-radius: 20px;
  padding: 3px 10px;
  font-size: 0.72rem;
  color: var(--chat-gray-600);
  cursor: pointer;
  font-family: 'DM Sans', sans-serif;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
}
.chat-add-context-btn:hover {
  background: var(--chat-gray-100);
  border-color: var(--chat-gray-400);
  color: var(--chat-gray-800);
}
.chat-add-context-btn.has-file {
  border-color: var(--chat-cyan-border);
  color: #1e6a7a;
  background: var(--chat-cyan-bg);
}

/* ── PDF badge ── */
.chat-pdf-badge {
  display: flex;
  align-items: center;
  gap: 5px;
  background: var(--chat-cyan-bg);
  border: 1px solid var(--chat-cyan-border);
  border-radius: 20px;
  padding: 3px 8px;
  font-size: 0.72rem;
  color: #1e6a7a;
}
.chat-pdf-badge span {
  max-width: 120px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.chat-pdf-remove {
  background: none;
  border: none;
  cursor: pointer;
  color: #1e6a7a;
  padding: 0;
  display: flex;
  align-items: center;
  opacity: 0.6;
  transition: opacity 0.15s;
}
.chat-pdf-remove:hover { opacity: 1; }

.chat-warning-card{
  background: linear-gradient(135deg, #fde0e0 0%, #fff0f0 100%);
  border: 1px solid var(--artirev-rouge);
  border-radius: 14px;
  padding: 18px 20px;
  margin-bottom: 4px;
}
.chat-warning-card h3 {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--chat-navy);
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.chat-warning-card p {
  font-size: 0.82rem;
  color: var(--chat-gray-600);
  line-height: 1.55;
  margin: 0;
}
.chat-warning-card.chat-success-card {
  background: linear-gradient(135deg, #e0f7e9 0%, #f0fff5 100%);
  border: 1px solid var(--artirev-vert, #2e7d32);
}

.chat-warning-card.chat-success-card h3 {
  color: var(--chat-navy);
}

/* ── Welcome card ── */
.chat-welcome-card {
  background: linear-gradient(135deg, #e0f4f7 0%, #f0f7ff 100%);
  border: 1px solid var(--chat-cyan-border);
  border-radius: 14px;
  padding: 18px 20px;
  margin-bottom: 4px;
}
.chat-welcome-card h3 {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--chat-navy);
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.chat-welcome-card p {
  font-size: 0.82rem;
  color: var(--chat-gray-600);
  line-height: 1.55;
  margin: 0;
}

.chat-suggestions {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 12px;
}
.chat-suggestion-chip {
  background: var(--chat-white);
  border: 1px solid var(--chat-cyan-border);
  border-radius: 20px;
  padding: 5px 13px;
  font-size: 0.78rem;
  color: #1e6a7a;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
  font-family: 'DM Sans', sans-serif;
}
.chat-suggestion-chip:hover {
  background: var(--chat-cyan-bg);
  border-color: #6bbfcc;
}