:root{
  --aa-primary: #0ea5e9; /* wird per JS überschrieben */
  --aa-primary-600:#0284c7;
  --aa-bg:#ffffff;
  --aa-text:#0f172a;
  --aa-muted:#64748b;
  --aa-bubble:#f1f5f9;
  --aa-shadow:0 12px 30px rgba(2,8,23,.12);
  --aa-radius:18px;
}
#aa-chat-root{font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial}
.aa-trigger{position:fixed;right:18px;bottom:18px;z-index:999999;width:64px;height:64px;border-radius:50%;background:var(--aa-primary);color:#fff;display:grid;place-items:center;box-shadow:var(--aa-shadow);cursor:pointer;transition:transform .12s}
.aa-trigger:hover{transform:scale(1.05)}
.aa-panel{position:fixed;right:18px;bottom:94px;z-index:999998;width:360px;max-width:calc(100vw - 24px);background:var(--aa-bg);border-radius:var(--aa-radius);box-shadow:var(--aa-shadow);display:none;overflow:hidden}
.aa-header{display:flex;align-items:center;gap:12px;padding:14px 16px;background:linear-gradient(135deg,var(--aa-primary),var(--aa-primary-600));color:#fff}
.aa-logo{width:28px;height:28px;border-radius:8px;background:#fff;display:grid;place-items:center;color:var(--aa-primary);font-weight:700}
.aa-title{font-weight:700}
.aa-sub{font-size:12px;opacity:.9}
.aa-body{padding:12px 12px 90px;max-height:64vh;overflow:auto;background:#fafafa}
.aa-msg{display:flex;margin:10px 0}
.aa-msg.agent{justify-content:flex-start}
.aa-msg.user{justify-content:flex-end}
.aa-bubble{max-width:80%;padding:10px 12px;border-radius:14px;background:var(--aa-bubble);color:var(--aa-text)}
.aa-msg.user .aa-bubble{background:var(--aa-primary);color:#fff}
.aa-quick{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.aa-chip{background:#fff;border:1px solid #e2e8f0;padding:8px 10px;border-radius:999px;font-size:14px;cursor:pointer}
.aa-footer{position:absolute;left:0;right:0;bottom:0;background:#fff;padding:10px;border-top:1px solid #e2e8f0}
.aa-input{width:100%;padding:10px 12px;border:1px solid #e2e8f0;border-radius:12px}
.aa-note{color:var(--aa-muted);font-size:12px;margin-top:6px}
.aa-row{display:flex;gap:8px}
.aa-btn{background:var(--aa-primary);color:#fff;border:none;padding:10px 12px;border-radius:12px;cursor:pointer}
.aa-btn.secondary{background:#e2e8f0;color:#0f172a}
.aa-kicker{font-size:12px;color:var(--aa-muted)}