.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.assistant-shell{border:1px solid #bdc8d6;background:#f6f8fb;border-radius:20px;overflow:hidden;box-shadow:0 12px 36px #1b304807}
.assistant-head{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:22px 28px;border-bottom:1px solid #d9e0e9;font-size:11px;letter-spacing:.065em}
.assistant-head>div{display:flex;align-items:center;gap:26px}.assistant-head .text-button{font-size:12px}.assistant-head .lamp{display:inline-block;margin-right:7px}
.assistant-messages{min-height:300px;max-height:530px;overflow-y:auto;padding:30px 28px;scroll-behavior:smooth;overscroll-behavior:contain}
.assistant-welcome{padding:14px 0 28px;max-width:540px}.assistant-mark{font-size:42px;color:#5869d9;line-height:1}.assistant-welcome h3{font-size:27px;letter-spacing:-.8px;font-weight:600;margin:20px 0 12px}.assistant-welcome p{font-size:16px;line-height:1.65;color:#667080;max-width:490px}
.chat-message{width:fit-content;max-width:90%;border-radius:14px;padding:18px 22px;margin:0 0 20px}.chat-assistant{background:#e9eef5;min-width:200px}.chat-user{margin-left:auto;background:#25304a;color:#fff}.chat-speaker{display:block;font-size:10px;letter-spacing:.12em;margin-bottom:10px;opacity:.68}.chat-copy{font-size:16px;line-height:1.65;white-space:pre-wrap;overflow-wrap:anywhere;margin:0}.chat-copy .chat-line{margin:0;min-height:.75em;line-height:1.65}.chat-copy a{color:inherit;text-decoration:underline;text-underline-offset:3px}.chat-copy strong{font-weight:600}
.chat-thinking .chat-copy{color:#647087}.chat-thinking .chat-speaker:after{content:'';display:inline-block;height:5px;width:5px;border-radius:50%;background:#5869d9;margin-left:8px;animation:port-chat-pulse 1s infinite}.chat-evidence{font-size:9px;text-transform:uppercase;letter-spacing:.04em;margin-top:16px;color:#677589}.chat-sources{display:flex;flex-wrap:wrap;gap:7px;margin-top:13px}.chat-sources a{font-size:11px;color:#374b8a;background:#f7f9fc;padding:6px 9px;border-radius:5px;text-decoration:none}.chat-sources a:hover{background:#fff}.chat-error{font-size:14px;line-height:1.55;color:#965148;padding:12px 16px;border:1px solid #d6b8b2;border-radius:9px;margin:0 0 18px}.chat-unanswered{opacity:.65}
.assistant-prompts{display:flex;flex-wrap:wrap;gap:9px;padding:0 28px 20px}.assistant-prompts button{border:1px solid #cbd5e2;border-radius:8px;background:transparent;padding:9px 13px;font:inherit;font-size:12px;color:#455269;cursor:pointer}.assistant-prompts button:hover{border-color:#5869d9;color:#354caf}.assistant-prompts button:disabled{opacity:.5;cursor:wait}
.assistant-form{display:flex;align-items:flex-end;gap:16px;padding:20px 28px;background:#fff;border-top:1px solid #d9e0e9}.assistant-form textarea{flex:1;min-width:0;resize:none;border:0;background:transparent;color:#16202d;font:inherit;font-size:16px;line-height:1.65;padding:9px 0;max-height:160px;outline:none}.assistant-form textarea::placeholder{color:#8390a0}.assistant-form:focus-within{box-shadow:inset 0 0 0 2px #5869d966}.assistant-form .button{white-space:nowrap}.assistant-footer{display:flex;justify-content:space-between;gap:16px;padding:13px 28px;color:#778497;font-size:11px;line-height:1.5}.assistant-footer .mono{font-size:9px;letter-spacing:.03em}
.manual-tools{margin-top:24px;border-top:1px solid #c3cedb;padding-top:23px}.manual-tools>summary{display:flex;justify-content:space-between;align-items:center;gap:20px;cursor:pointer;list-style:none;font-size:18px;font-weight:500}.manual-tools>summary::-webkit-details-marker{display:none}.manual-tools>summary span{font-size:12px;font-weight:400;color:#6d7b8e}.manual-tools[open]>summary{margin-bottom:20px}.query-input-row input[readonly]{color:#8190a2;cursor:default}
@keyframes port-chat-pulse{50%{opacity:.25}}
@media(max-width:650px){.assistant-head{padding:17px 16px;font-size:9px;gap:8px}.assistant-head>div{gap:12px}.assistant-head .text-button{font-size:10px}.assistant-messages{padding:24px 16px;min-height:260px;max-height:480px}.assistant-welcome h3{font-size:24px}.assistant-welcome p,.chat-copy{font-size:15px}.chat-message{max-width:96%;padding:15px 16px}.assistant-prompts{padding:0 16px 18px;gap:7px}.assistant-prompts button{font-size:10px;padding:8px 9px}.assistant-form{padding:16px;gap:10px}.assistant-form .button{padding:13px 16px;font-size:12px}.assistant-form textarea{font-size:16px}.assistant-footer{padding:12px 16px;font-size:10px}.assistant-footer .mono{display:none}.manual-tools>summary{font-size:16px}.manual-tools>summary span{font-size:10px;max-width:140px;text-align:right}}
@media(prefers-reduced-motion:reduce){.assistant-messages{scroll-behavior:auto}.chat-thinking .chat-speaker:after{animation:none}}

@media(max-width:650px){.assistant-prompts button,.chat-sources a,.assistant-head .text-button{min-height:44px;display:inline-flex;align-items:center}.manual-tools>summary{min-height:44px}}