/* Brain Assist - light, mobile-first chat interface */
.bt-chat-launcher{position:fixed;right:18px;bottom:18px;z-index:160;width:62px;height:62px;border:0;border-radius:20px;background:linear-gradient(135deg,#f26b1d,#ff8a3d);color:#fff;box-shadow:0 18px 48px rgba(242,107,29,.32);cursor:pointer;display:grid;place-items:center;transition:.2s ease}.bt-chat-launcher:hover{transform:translateY(-3px);box-shadow:0 22px 54px rgba(242,107,29,.4)}.bt-chat-launcher svg{width:27px;height:27px}.bt-chat-launcher .bt-chat-dot{position:absolute;right:6px;top:6px;width:12px;height:12px;border-radius:50%;background:#22c55e;border:2px solid #fff}.bt-chat-launcher .bt-chat-label{position:absolute;right:72px;white-space:nowrap;background:#fff;color:#344054;border:1px solid #e4e7ec;border-radius:11px;padding:8px 11px;font-size:11px;font-weight:800;box-shadow:0 10px 30px rgba(16,24,40,.09)}
.bt-chat-panel{position:fixed;right:18px;bottom:92px;z-index:159;width:min(410px,calc(100vw - 30px));height:min(650px,calc(100vh - 125px));background:#fff;border:1px solid #e4e7ec;border-radius:24px;box-shadow:0 30px 90px rgba(16,24,40,.2);overflow:hidden;display:flex;flex-direction:column;transform-origin:bottom right;animation:btChatIn .18s ease}.bt-chat-panel[hidden]{display:none}.bt-chat-head{padding:15px 16px;background:linear-gradient(135deg,#fff7f0,#fff);border-bottom:1px solid #edf0f4;display:flex;align-items:center;gap:11px}.bt-chat-avatar{width:42px;height:42px;border-radius:14px;background:linear-gradient(135deg,#f26b1d,#ff914d);color:#fff;display:grid;place-items:center;font-weight:900;font-size:14px;box-shadow:0 8px 22px rgba(242,107,29,.2)}.bt-chat-headcopy{min-width:0;flex:1}.bt-chat-headcopy strong{display:block;font-size:14px;color:#101828}.bt-chat-headcopy span{display:flex;align-items:center;gap:6px;color:#667085;font-size:10.5px;margin-top:2px}.bt-chat-headcopy span:before{content:"";width:7px;height:7px;border-radius:50%;background:#22c55e}.bt-chat-head-actions{display:flex;gap:5px}.bt-chat-iconbtn{width:34px;height:34px;border-radius:10px;border:1px solid #e4e7ec;background:#fff;color:#667085;cursor:pointer;font-weight:900;display:grid;place-items:center}.bt-chat-iconbtn:hover{background:#f8fafc;color:#101828}
.bt-chat-body{flex:1;overflow-y:auto;padding:16px;background:linear-gradient(180deg,#fff,#fbfcfe);scroll-behavior:smooth}.bt-msg{display:flex;margin-bottom:12px}.bt-msg.user{justify-content:flex-end}.bt-bubble{max-width:84%;padding:11px 13px;border-radius:16px;font-size:12.7px;line-height:1.55;white-space:pre-wrap;overflow-wrap:anywhere}.bt-msg.bot .bt-bubble{background:#fff;border:1px solid #e4e7ec;color:#344054;border-top-left-radius:6px;box-shadow:0 4px 14px rgba(16,24,40,.04)}.bt-msg.user .bt-bubble{background:linear-gradient(135deg,#f26b1d,#ff7b28);color:#fff;border-top-right-radius:6px;box-shadow:0 7px 20px rgba(242,107,29,.18)}.bt-msg-meta{font-size:9px;color:#98a2b3;margin:3px 4px 0}.bt-chat-welcome{border:1px solid #f1dac8;background:#fff9f4;border-radius:16px;padding:13px;margin-bottom:14px}.bt-chat-welcome strong{font-size:13px;color:#101828}.bt-chat-welcome p{font-size:11.5px;color:#667085;margin:5px 0 0;line-height:1.55}.bt-chat-chips{display:flex;flex-wrap:wrap;gap:6px;margin:4px 0 14px}.bt-chat-chip{border:1px solid #ead8cc;background:#fff;color:#8a3c0c;border-radius:999px;padding:7px 10px;font-size:10.5px;font-weight:800;cursor:pointer}.bt-chat-chip:hover{background:#fff3e8;border-color:#f5b98f}.bt-chat-typing{display:flex;gap:4px;align-items:center;background:#fff;border:1px solid #e4e7ec;border-radius:14px 14px 14px 5px;width:max-content;padding:10px 12px;margin-bottom:12px}.bt-chat-typing i{width:6px;height:6px;background:#98a2b3;border-radius:50%;animation:btBounce .9s infinite}.bt-chat-typing i:nth-child(2){animation-delay:.13s}.bt-chat-typing i:nth-child(3){animation-delay:.26s}
.bt-chat-lead{background:#fff;border:1px solid #f0cbb1;border-radius:16px;padding:13px;margin:5px 0 14px}.bt-chat-lead h4{font-size:13px;margin:0 0 5px}.bt-chat-lead p{font-size:10.5px;color:#667085;margin:0 0 10px}.bt-chat-lead-grid{display:grid;grid-template-columns:1fr 1fr;gap:7px}.bt-chat-lead input,.bt-chat-lead textarea{width:100%;border:1px solid #d0d5dd;border-radius:9px;padding:8px 9px;font-size:11px;outline:0}.bt-chat-lead textarea{grid-column:1/-1;min-height:62px;resize:vertical}.bt-chat-lead input:focus,.bt-chat-lead textarea:focus{border-color:#f26b1d;box-shadow:0 0 0 3px rgba(242,107,29,.1)}.bt-chat-lead button{grid-column:1/-1;border:0;border-radius:9px;padding:9px;background:#f26b1d;color:#fff;font-weight:850;font-size:11px;cursor:pointer}.bt-chat-lead .bt-lead-error{grid-column:1/-1;font-size:10px;color:#b42318;display:none}
.bt-chat-foot{padding:10px;border-top:1px solid #edf0f4;background:#fff}.bt-chat-form{display:flex;gap:7px;align-items:flex-end}.bt-chat-input{flex:1;min-height:44px;max-height:110px;border:1px solid #d0d5dd;border-radius:14px;padding:11px 12px;resize:none;outline:0;font-size:12px;line-height:1.45;color:#101828;background:#fff}.bt-chat-input:focus{border-color:#f26b1d;box-shadow:0 0 0 3px rgba(242,107,29,.1)}.bt-chat-send{width:44px;height:44px;border:0;border-radius:13px;background:linear-gradient(135deg,#f26b1d,#ff7f2e);color:#fff;display:grid;place-items:center;cursor:pointer;flex:none}.bt-chat-send:disabled{opacity:.5;cursor:not-allowed}.bt-chat-send svg{width:18px;height:18px}.bt-chat-disclaimer{text-align:center;color:#98a2b3;font-size:8.8px;margin-top:6px}.bt-chat-disclaimer a{color:#8a3c0c;text-decoration:underline}.bt-chat-error{padding:8px 10px;background:#fef3f2;color:#b42318;border:1px solid #fecdca;border-radius:10px;font-size:10px;margin-bottom:8px}
@keyframes btChatIn{from{opacity:0;transform:translateY(12px) scale(.97)}to{opacity:1;transform:none}}@keyframes btBounce{0%,70%,100%{transform:translateY(0);opacity:.55}35%{transform:translateY(-4px);opacity:1}}
@media(max-width:640px){.bt-chat-launcher{right:12px;bottom:12px;width:56px;height:56px;border-radius:18px}.bt-chat-launcher .bt-chat-label{display:none}.bt-chat-panel{inset:12px 12px 78px 12px;width:auto;height:auto;border-radius:20px}.bt-chat-body{padding:13px}.bt-bubble{max-width:90%;font-size:12.4px}.bt-chat-lead-grid{grid-template-columns:1fr}.bt-chat-lead textarea,.bt-chat-lead button,.bt-chat-lead .bt-lead-error{grid-column:auto}}

/* Human executive handoff */
.bt-chat-humanbar{display:flex;align-items:center;gap:9px;padding:9px 10px;border-top:1px solid #edf0f4;background:#fffaf6}.bt-chat-humanbtn{flex:none;border:1px solid #f2b88f;background:#fff;color:#b64a08;border-radius:10px;padding:8px 10px;font-size:10.5px;font-weight:850;cursor:pointer}.bt-chat-humanbtn:hover{background:#fff3e8}.bt-chat-humanbtn:disabled{opacity:.72;cursor:default}.bt-chat-humanbar span{font-size:9.6px;color:#667085;line-height:1.35}.bt-resume-ai{border:0;background:transparent;color:#b64a08;text-decoration:underline;font:inherit;font-weight:800;padding:0;cursor:pointer}.bt-msg.executive{justify-content:flex-start}.bt-msg.executive .bt-bubble{background:#f0fdf4;border:1px solid #bbf7d0;color:#14532d;border-top-left-radius:6px;box-shadow:0 4px 14px rgba(22,101,52,.05)}.bt-exec-label{display:block;font-size:9px;letter-spacing:.04em;text-transform:uppercase;font-weight:900;color:#15803d;margin-bottom:4px}.bt-exec-label+span{display:block}.bt-chat-headcopy #btChatStatus:before{background:#22c55e}
@media(max-width:640px){.bt-chat-humanbar{align-items:flex-start;flex-direction:column}.bt-chat-humanbtn{width:100%}.bt-chat-humanbar span{font-size:9.5px}}