.tb-assist{position:fixed;z-index:10000;right:18px;bottom:96px;width:min(380px,calc(100vw - 24px));max-height:min(640px,calc(100vh - 120px));display:none;flex-direction:column;background:#fff;color:#102033;border-radius:22px;box-shadow:0 24px 60px rgba(10,17,40,.28);overflow:hidden;font-family:Cairo,sans-serif}
.tb-assist.is-open{display:flex}
.tb-assist-head{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:14px 16px;background:#0a1128;color:#fff}
.tb-assist-head strong{display:block;font-size:16px}
.tb-assist-head span{display:block;color:#c5d0e2;font-size:12px;font-weight:700}
.tb-assist-head button{border:0;background:transparent;color:#fff;font-size:22px;cursor:pointer}
.tb-assist-log{display:flex;flex-direction:column;gap:10px;padding:14px;overflow:auto;background:#f4f7fb;min-height:220px}
.tb-assist-msg{max-width:92%;padding:10px 12px;border-radius:16px;line-height:1.7;white-space:pre-wrap}
.tb-assist-msg.is-bot{background:#fff;border:1px solid #e4ebf5;align-self:flex-start}
.tb-assist-msg.is-user{background:#ed1c24;color:#fff;align-self:flex-end}
.tb-assist-links{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}
.tb-assist-links a{color:#0a1128;background:#fff0f1;border-radius:999px;padding:6px 10px;font-size:12px;font-weight:900;text-decoration:none}
.tb-assist-chips{display:flex;gap:6px;flex-wrap:wrap;padding:0 14px 10px;background:#f4f7fb}
.tb-assist-chips button,.tb-assist-form button,.tb-assist-compose button{border:0;border-radius:999px;background:#0a1128;color:#fff;font-weight:900;cursor:pointer}
.tb-assist-chips button{padding:7px 10px;font-size:12px}
.tb-assist-compose{display:flex;gap:8px;padding:12px;border-top:1px solid #e4ebf5;background:#fff}
.tb-assist-compose input{flex:1;min-width:0;border:1px solid #dbe3ef;border-radius:999px;padding:10px 12px;font:inherit}
.tb-assist-compose button{padding:0 14px}
.tb-assist-form{display:none;gap:8px;padding:12px;background:#fff;border-top:1px solid #e4ebf5}
.tb-assist-form.is-open{display:grid}
.tb-assist-form input,.tb-assist-form textarea{width:100%;border:1px solid #dbe3ef;border-radius:12px;padding:9px 10px;font:inherit}
.tb-assist-form textarea{min-height:68px}
.tb-assist-form button{padding:10px 14px}
@media(max-width:700px){.tb-assist{inset-inline:12px;width:auto;max-width:calc(100vw - 24px);bottom:88px}}