/* Refined chat UI */
.ana-container{position:relative;max-width:780px;margin:24px auto;border:1px solid #e5e7eb;border-radius:16px;overflow:hidden;background:#ffffff;box-shadow:0 10px 30px rgba(0,0,0,0.06);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;}
.ana-header{padding:16px 18px;border-bottom:1px solid #f0f2f5;background:#fafafa;}
.ana-title{font-size:18px;font-weight:600}
.ana-sub{font-size:12px;color:#6b7280;margin-top:2px}
.ana-body{padding:16px;height:420px;overflow:auto;background:#ffffff}
.ana-msg{display:flex;margin-bottom:12px;gap:10px}
.ana-msg.user{justify-content:flex-end}
.ana-bubble{max-width:75%;padding:10px 12px;border-radius:14px;line-height:1.35;font-size:14px;border:1px solid #e5e7eb}
.ana-msg.user .ana-bubble{background:#e8f5e9;border-color:#d1fadf}
.ana-msg.bot .ana-bubble{background:#f8fafc}
.ana-suggest{display:flex;flex-wrap:wrap;gap:8px;padding:8px 16px;border-top:1px solid #f0f2f5;background:#fafafa}
.ana-chip{border:1px solid #e5e7eb;background:#fff;border-radius:999px;padding:8px 12px;font-size:12px;cursor:pointer}
.ana-input{display:flex;gap:8px;padding:10px 16px;border-top:1px solid #f0f2f5;background:#fff;align-items:center}
#ana-input{flex:1;resize:none;height:48px;border:1px solid #e5e7eb;border-radius:12px;padding:10px;font-size:14px;outline:none}
#ana-send{border:1px solid #16a34a;background:#22c55e;color:#fff;border-radius:12px;padding:10px 16px;font-size:14px;cursor:pointer}
.ana-footer{padding:8px 16px;font-size:12px;color:#6b7280;border-top:1px solid #f0f2f5;background:#fafafa}
.ana-articles{margin-top:8px;padding-top:8px;border-top:1px dashed #e5e7eb}
.ana-articles a{display:block;font-size:13px;margin:4px 0;text-decoration:none}
.ana-actions{display:flex;align-items:center;gap:8px;margin-top:6px;font-size:12px;color:#64748b}
.ana-actions button{border:1px solid #e5e7eb;background:#fff;border-radius:8px;padding:4px 8px;cursor:pointer}
.ana-edit{display:none;margin-top:6px}
.ana-edit textarea{width:100%;min-height:80px;border:1px solid #e5e7eb;border-radius:8px;padding:8px}
/* Floating */
.ana-floating{position:fixed;left:50%;bottom:18px;transform:translateX(-50%);z-index:99999}
#ana-fab{border:1px solid #16a34a;background:#22c55e;color:#fff;border-radius:999px;padding:10px 16px;font-size:14px;cursor:pointer;box-shadow:0 6px 18px rgba(0,0,0,0.12)}
.ana-flyout{position:fixed;left:50%;bottom:64px;transform:translateX(-50%);width:min(92vw,820px);max-height:80vh;overflow:auto;background:#fff;border:1px solid #e5e7eb;border-radius:16px;box-shadow:0 12px 32px rgba(0,0,0,0.18);}
@media (max-width:640px){
  .ana-container{margin:0;border:0;border-radius:0}
  .ana-body{height:60vh}
}