/* ────────────────────────────────────────────────────────────
   Canal9 Intranet RAG — Chatbot Widget
   Variables CSS overridables depuis le thème WP parent.
   ──────────────────────────────────────────────────────────── */

:root {
  --c9rag-bg:       #0e0f11;
  --c9rag-surface:  #16181c;
  --c9rag-border:   #252830;
  --c9rag-muted:    #3a3f4a;
  --c9rag-text:     #d4d8e2;
  --c9rag-dim:      #7a8196;
  --c9rag-accent:   #e85d2f;
  --c9rag-blue:     #4fa3e0;
  --c9rag-green:    #3fc98a;
  --c9rag-radius:   6px;
  --c9rag-font:     system-ui, -apple-system, sans-serif;
  --c9rag-mono:     'SFMono-Regular', Consolas, monospace;
}

/* ── Conteneur principal ─────────────────────────────────── */
.c9rag-widget {
  display: grid;
  grid-template-columns: 220px 1fr;
  grid-template-rows: auto 1fr;
  grid-template-areas:
    "header header"
    "sidebar main";
  height: 640px;
  background: var(--c9rag-bg);
  color: var(--c9rag-text);
  font-family: var(--c9rag-font);
  border: 1px solid var(--c9rag-border);
  border-radius: var(--c9rag-radius);
  overflow: hidden;
}

/* ── Header ─────────────────────────────────────────────── */
.c9rag-header {
  grid-area: header;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  background: var(--c9rag-surface);
  border-bottom: 1px solid var(--c9rag-border);
}

.c9rag-title {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .01em;
}

/* ── Lang switch ─────────────────────────────────────────── */
.c9rag-lang-switch {
  display: flex;
  gap: 3px;
  background: var(--c9rag-bg);
  padding: 3px;
  border-radius: 5px;
  border: 1px solid var(--c9rag-border);
}

.c9rag-lang {
  font-family: var(--c9rag-mono);
  font-size: 10px;
  padding: 3px 8px;
  border-radius: 3px;
  border: none;
  background: transparent;
  color: var(--c9rag-dim);
  cursor: pointer;
  transition: background .15s, color .15s;
}

.c9rag-lang.active {
  background: var(--c9rag-surface);
  color: var(--c9rag-text);
  border: 1px solid var(--c9rag-border);
}

/* ── Sidebar ─────────────────────────────────────────────── */
.c9rag-sidebar {
  grid-area: sidebar;
  border-right: 1px solid var(--c9rag-border);
  background: var(--c9rag-surface);
  overflow-y: auto;
  padding: 12px 10px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* Catégories */
.c9rag-categories {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--c9rag-border);
}

.c9rag-cat-btn {
  text-align: left;
  font-size: 12px;
  padding: 5px 8px;
  border-radius: var(--c9rag-radius);
  border: 1px solid transparent;
  background: transparent;
  color: var(--c9rag-dim);
  cursor: pointer;
  transition: all .15s;
}

.c9rag-cat-btn:hover { background: rgba(255,255,255,.04); color: var(--c9rag-text); }
.c9rag-cat-btn.active { background: rgba(79,163,224,.1); border-color: rgba(79,163,224,.3); color: var(--c9rag-blue); }

/* Liste des sources */
.c9rag-source-item {
  padding: 7px 8px;
  border: 1px solid var(--c9rag-border);
  border-radius: var(--c9rag-radius);
  margin-bottom: 5px;
  transition: border-color .15s, background .15s;
}

.c9rag-source-item.c9rag-source-active {
  border-color: var(--c9rag-blue);
  background: rgba(79,163,224,.06);
}

.c9rag-source-meta {
  display: flex;
  gap: 4px;
  margin-bottom: 4px;
}

.c9rag-source-title {
  font-size: 11px;
  font-weight: 500;
  line-height: 1.3;
  color: var(--c9rag-text);
}

.c9rag-source-cats {
  font-family: var(--c9rag-mono);
  font-size: 9px;
  color: var(--c9rag-dim);
  margin-top: 2px;
}

/* Pills */
.c9rag-pill {
  font-family: var(--c9rag-mono);
  font-size: 9px;
  padding: 1px 5px;
  border-radius: 3px;
  font-weight: 500;
}

.c9rag-pill-post     { background: rgba(63,201,138,.15); color: var(--c9rag-green); }
.c9rag-pill-drive    { background: rgba(79,163,224,.15); color: var(--c9rag-blue); }
.c9rag-pill-interne  { background: rgba(255,255,255,.07); color: var(--c9rag-dim); }
.c9rag-pill-technique { background: rgba(232,93,47,.2); color: var(--c9rag-accent); }

.c9rag-empty { font-size: 12px; color: var(--c9rag-dim); padding: 8px; }

/* ── Main ─────────────────────────────────────────────────── */
.c9rag-main {
  grid-area: main;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

/* Messages */
.c9rag-messages {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.c9rag-msg {
  display: flex;
  flex-direction: column;
  max-width: 640px;
}

.c9rag-msg.c9rag-user { align-self: flex-end; align-items: flex-end; }
.c9rag-msg.c9rag-bot  { align-self: flex-start; }

.c9rag-bubble {
  padding: 9px 13px;
  border-radius: var(--c9rag-radius);
  font-size: 13px;
  line-height: 1.6;
}

.c9rag-user .c9rag-bubble {
  background: var(--c9rag-accent);
  color: #fff;
  border-radius: var(--c9rag-radius) var(--c9rag-radius) 2px var(--c9rag-radius);
}

.c9rag-bot .c9rag-bubble {
  background: var(--c9rag-surface);
  border: 1px solid var(--c9rag-border);
  color: var(--c9rag-text);
  border-radius: var(--c9rag-radius) var(--c9rag-radius) var(--c9rag-radius) 2px;
}

.c9rag-bot .c9rag-bubble strong { color: var(--c9rag-blue); }

/* Typing indicator */
.c9rag-typing-bubble {
  display: flex;
  gap: 5px;
  align-items: center;
  padding: 12px 14px !important;
}

.c9rag-typing-bubble span {
  display: block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--c9rag-muted);
  animation: c9rag-bounce 1.2s ease-in-out infinite;
}

.c9rag-typing-bubble span:nth-child(2) { animation-delay: .2s; }
.c9rag-typing-bubble span:nth-child(3) { animation-delay: .4s; }

@keyframes c9rag-bounce {
  0%, 80%, 100% { transform: translateY(0); opacity: .4; }
  40%           { transform: translateY(-6px); opacity: 1; }
}

/* Sources citées sous la réponse */
.c9rag-msg-sources {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: 5px;
}

.c9rag-src-tag {
  font-family: var(--c9rag-mono);
  font-size: 10px;
  padding: 2px 7px;
  border-radius: 3px;
  background: rgba(79,163,224,.1);
  border: 1px solid rgba(79,163,224,.25);
  color: var(--c9rag-blue);
}

/* ── Zone de saisie ──────────────────────────────────────── */
.c9rag-input-area {
  padding: 12px 16px;
  border-top: 1px solid var(--c9rag-border);
  background: var(--c9rag-surface);
}

.c9rag-quick-btns {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-bottom: 8px;
  min-height: 24px;
}

.c9rag-quick-btn {
  font-family: var(--c9rag-mono);
  font-size: 10px;
  padding: 3px 9px;
  border-radius: 20px;
  border: 1px solid var(--c9rag-border);
  background: transparent;
  color: var(--c9rag-dim);
  cursor: pointer;
  transition: border-color .15s, color .15s;
  white-space: nowrap;
}

.c9rag-quick-btn:hover { border-color: var(--c9rag-blue); color: var(--c9rag-blue); }

.c9rag-input-row {
  display: flex;
  gap: 8px;
  align-items: flex-end;
}

.c9rag-input-row textarea {
  flex: 1;
  background: var(--c9rag-bg);
  border: 1px solid var(--c9rag-border);
  border-radius: var(--c9rag-radius);
  color: var(--c9rag-text);
  font-family: var(--c9rag-font);
  font-size: 13px;
  padding: 8px 12px;
  resize: none;
  outline: none;
  line-height: 1.5;
  min-height: 38px;
  max-height: 100px;
  transition: border-color .15s;
}

.c9rag-input-row textarea:focus { border-color: var(--c9rag-blue); }
.c9rag-input-row textarea::placeholder { color: var(--c9rag-muted); }

.c9rag-send-btn {
  width: 38px;
  height: 38px;
  border-radius: var(--c9rag-radius);
  border: none;
  background: var(--c9rag-accent);
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background .15s;
}

.c9rag-send-btn:hover    { background: #d44e22; }
.c9rag-send-btn:disabled { background: var(--c9rag-muted); cursor: not-allowed; }

/* ── Scrollbars ──────────────────────────────────────────── */
.c9rag-widget ::-webkit-scrollbar       { width: 4px; }
.c9rag-widget ::-webkit-scrollbar-track { background: transparent; }
.c9rag-widget ::-webkit-scrollbar-thumb { background: var(--c9rag-muted); border-radius: 2px; }