.ai-chatbot-app {
  min-height: 100vh;
  width: 100%;
}
.ai-chatbot-wrap {
  max-width: 1680px;
  margin: 0 auto;
  padding: 16px;
  display: grid;
  grid-template-columns: 300px 1fr 360px;
  gap: 16px;
  min-height: 100vh;
}
.ai-panel {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 28px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.25);
  backdrop-filter: blur(20px);
}
.ai-sidebar, .ai-settings { padding: 16px; }
.ai-main { display: flex; flex-direction: column; overflow: hidden; }
.ai-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 20px; border-bottom: 1px solid rgba(255,255,255,0.1);
}
.ai-logo { width: 44px; height: 44px; border-radius: 18px; object-fit: cover; background: var(--ai-brand); display:flex; align-items:center; justify-content:center; }
.ai-brandbox { display: flex; align-items: center; gap: 12px; }
.ai-title { font-size: 16px; font-weight: 700; }
.ai-soft { color: var(--ai-soft); font-size: 12px; }
.ai-btn, .ai-icon-btn, .ai-input, .ai-textarea, .ai-select {
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.05);
  color: #fff;
  border-radius: 18px;
}
.ai-btn, .ai-icon-btn { cursor: pointer; }
.ai-btn { padding: 10px 14px; font-weight: 600; }
.ai-btn-primary { background: var(--ai-brand); border-color: transparent; }
.ai-icon-btn { width: 40px; height: 40px; display:inline-flex; align-items:center; justify-content:center; }
.ai-side-header { display:flex; align-items:center; gap:12px; margin-bottom:16px; }
.ai-logo-badge { width:48px; height:48px; border-radius:18px; background: var(--ai-brand); display:flex; align-items:center; justify-content:center; font-weight:700; }
.ai-search-row { display:flex; gap:8px; margin-bottom:12px; }
.ai-input { width:100%; padding:10px 12px; outline:none; }
.ai-chat-list { display:flex; flex-direction:column; gap:8px; max-height: calc(100vh - 250px); overflow:auto; }
.ai-chat-item { border:1px solid transparent; padding:12px; border-radius:18px; cursor:pointer; background: transparent; }
.ai-chat-item.active { background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.12); }
.ai-chat-item-title { font-size:14px; font-weight:600; margin-bottom:4px; }
.ai-chat-item-meta { font-size:12px; color: var(--ai-soft); }
.ai-chat-actions { display:flex; gap:8px; margin-top:8px; }
.ai-messages { flex:1; overflow:auto; padding:20px; display:flex; flex-direction:column; gap:16px; }
.ai-msg-row { display:flex; }
.ai-msg-row.user { justify-content:flex-end; }
.ai-msg-row.assistant { justify-content:flex-start; }
.ai-bubble {
  max-width: 85%; border-radius: 24px; padding: 14px 16px; border:1px solid rgba(255,255,255,0.1);
  background: rgba(17,24,39,0.88); color:#fff;
}
.ai-msg-row.user .ai-bubble { background:#fff; color:#111827; }
.ai-attachments { display:flex; flex-direction:column; gap:8px; margin-bottom:12px; }
.ai-attachment { display:flex; align-items:center; gap:10px; border:1px solid rgba(255,255,255,0.08); border-radius:14px; padding:10px; font-size:12px; background: rgba(255,255,255,0.04); }
.ai-msg-footer { display:flex; justify-content:flex-end; margin-top:10px; }
.ai-copy { border:none; background:none; color:inherit; cursor:pointer; font-size:12px; opacity:.8; }
.ai-typing { padding:0 20px 8px; font-size:12px; color:var(--ai-soft); }
.ai-composer { border-top:1px solid rgba(255,255,255,0.1); padding:16px; }
.ai-composer-shell { border:1px solid rgba(255,255,255,0.1); background: rgba(255,255,255,0.05); border-radius:24px; padding:12px; }
.ai-textarea { width:100%; min-height:90px; resize:none; padding:12px; outline:none; }
.ai-composer-row { display:flex; align-items:center; justify-content:space-between; gap:12px; flex-wrap:wrap; margin-top:10px; }
.ai-composer-actions, .ai-badges, .ai-pending-files { display:flex; gap:8px; flex-wrap:wrap; }
.ai-badge { padding:8px 10px; border-radius:999px; background:rgba(255,255,255,0.08); color:var(--ai-soft); font-size:12px; }
.ai-settings h3 { margin: 0 0 12px; font-size: 14px; }
.ai-field { margin-bottom:16px; }
.ai-field label { display:block; margin-bottom:8px; font-size:13px; font-weight:600; }
.ai-textarea, .ai-select { width:100%; }
.ai-select { padding:10px 12px; }
.ai-stack { display:flex; flex-direction:column; gap:12px; }
.ai-setting-card { border:1px solid rgba(255,255,255,0.1); border-radius:18px; padding:14px; background: rgba(255,255,255,0.04); }
.ai-flex-between { display:flex; justify-content:space-between; align-items:center; gap:12px; }
.ai-switch { appearance:none; width:46px; height:28px; border-radius:999px; background:#334155; position:relative; cursor:pointer; }
.ai-switch:checked { background: var(--ai-brand); }
.ai-switch::after { content:''; position:absolute; top:4px; left:4px; width:20px; height:20px; background:white; border-radius:50%; transition:.2s; }
.ai-switch:checked::after { transform:translateX(18px); }
.ai-rename-row { display:flex; gap:8px; }
.ai-empty { color: var(--ai-soft); font-size: 14px; padding: 16px; }
@media (max-width: 1200px) {
  .ai-chatbot-wrap { grid-template-columns: 280px 1fr; }
  .ai-settings-panel { display:none; }
}
@media (max-width: 900px) {
  .ai-chatbot-wrap { grid-template-columns: 1fr; }
  .ai-sidebar-panel { display:none; }
}