/* Conversation layout: the transcript owns the flexible space. */
.brief-chat-launch{display:flex;align-items:center;gap:10px;border:1px solid #d4c6b5;border-radius:999px;background:#f8f2e9;color:#754b32;padding:10px 16px;margin:14px 0 20px;font-family:inherit;font-size:13px;font-weight:600}
.brief-chat-launch:hover{background:#efe2d0}
.chat-backdrop{position:fixed;inset:0;z-index:79;background:#182b3140;backdrop-filter:blur(1px)}
body.chat-modal{overflow:hidden}
.brief-chat{position:fixed;z-index:80;inset:0 0 0 auto;box-sizing:border-box;width:min(740px,100vw);height:100dvh;display:flex;flex-direction:column;overflow:hidden;background:#fcfaf6;border-left:1px solid #ded7cb;box-shadow:-12px 0 40px #182e3114;color:#302c27;font-family:'Segoe UI',Arial,sans-serif;font-size:14px}
.brief-chat[hidden],.chat-backdrop[hidden]{display:none}
.brief-chat> :not(.chat-messages){flex-shrink:0}
.chat-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:13px 22px 10px;min-height:58px;box-sizing:border-box}
.chat-heading h2{font:600 18px/1.4 'Segoe UI',Arial,sans-serif;letter-spacing:-.2px;margin:0}
.chat-heading-actions{display:flex;align-items:center;gap:8px}
.chat-icon,.chat-expand{font:inherit;border:0;background:transparent;color:#62574a;cursor:pointer;min-height:36px;min-width:36px;padding:6px 9px;border-radius:7px}
.chat-icon:hover,.chat-expand:hover{background:#eee9e1}
.chat-heading .chat-icon{font-size:25px;line-height:1}
.chat-expand{font-size:12px;border:1px solid #ded7cb}
.chat-context{display:flex;gap:9px;align-items:flex-start;margin:0 22px;padding:9px 11px;background:#f0ece4;border-radius:8px}
.chat-context-dot{background:#64826c;width:6px;height:6px;border-radius:50%;margin-top:6px;flex-shrink:0}
.chat-context>div{min-width:0}
.chat-context strong{display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;font-size:12px;line-height:1.5;font-weight:600;overflow-wrap:anywhere}
.chat-context #chatFocusLabel{display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;overflow-wrap:anywhere;font-size:11px;line-height:1.5;color:#695e50;margin-top:2px}
.chat-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:8px 22px;border-bottom:1px solid #e8e2d8;color:#695e50;font-size:12px;min-height:37px;box-sizing:border-box}
.chat-toolbar .text-button{font-size:12px;padding:3px 0}
.chat-messages{flex:1 1 0;overflow:auto;min-height:0;padding:22px 28px;scroll-behavior:smooth;overscroll-behavior:contain;scrollbar-gutter:stable;scrollbar-width:thin}
.chat-empty{max-width:520px;margin:0 auto;padding:clamp(16px,5vh,42px) 0 16px}
.chat-empty h3{font:600 22px/1.4 'Segoe UI',Arial,sans-serif;letter-spacing:-.3px;margin:0 0 10px}
.chat-empty p{font-size:14px;line-height:1.65;color:#695e50;margin:0}
.chat-suggestions{display:grid;gap:8px;margin-top:20px}
.chat-suggestions button{text-align:left;border:1px solid #ded7cb;background:#fffdfa;border-radius:10px;padding:11px 14px;color:#5d5143;font:inherit;font-size:13px;cursor:pointer;line-height:1.5}
.chat-suggestions button:hover{background:#f2eee7;border-color:#bbaa94}
.chat-message{max-width:720px;margin:0 auto 25px;font-size:15px;line-height:1.7;overflow-wrap:anywhere}
.chat-message-user{background:#eee8df;border-radius:16px;padding:11px 15px;max-width:85%;width:fit-content;margin-left:auto;margin-right:0}
.chat-role{font-size:11px;color:#695e50;margin-bottom:6px;font-weight:600}
.chat-message-user .chat-role{display:none}
.chat-text{white-space:pre-wrap}
.chat-text pre{white-space:pre;overflow:auto;padding:14px;border-radius:8px;background:#eee9e1;font-size:13px;line-height:1.6;max-width:100%;box-sizing:border-box}
.chat-text code{font-family:Consolas,monospace}
.chat-text a{color:#785033;text-underline-offset:3px}
.chat-citation{display:inline;background:#f1e6d7;border:0;border-radius:4px;font:inherit;font-size:12px;padding:1px 5px;cursor:pointer}
.chat-message-files{display:flex;flex-wrap:wrap;gap:5px;margin-top:9px}
.chat-file-label{font-size:12px;color:#695e50;background:#f5eee5;border:1px solid #ded7cb;border-radius:6px;padding:3px 8px}
.chat-reply-meta{font-size:11px;color:#74695b;line-height:1.5;margin-top:10px}
.chat-copy{border:0;background:none;font:inherit;font-size:12px;color:#695e50;padding:5px 0;cursor:pointer}
.chat-status{margin:0;padding:0 22px;color:#96552f;font-size:12px;line-height:1.5;overflow-wrap:anywhere;max-height:72px;overflow:auto}
.chat-status:empty{display:none}
.chat-form{margin:8px 18px 0;border:1px solid #cfc4b4;border-radius:16px;background:#fffdfa;padding:10px 12px;box-sizing:border-box;box-shadow:0 2px 8px #182e3106}
.chat-form textarea{display:block;resize:none;width:100%;height:48px;min-height:48px;max-height:144px;overflow-y:auto;box-sizing:border-box;border:0;outline:none;background:transparent;color:#302c27;font:inherit;font-size:15px;line-height:1.55;padding:6px 3px}
.chat-form textarea:focus{outline:none}
.chat-form:focus-within{border-color:#98785a;box-shadow:0 0 0 2px #98785a18}
.chat-form-actions{display:flex;align-items:center;gap:7px;margin-top:5px}
.chat-form-actions .chat-icon{padding:4px 7px;font-size:20px;display:flex;align-items:center;gap:4px}
.chat-form-actions .chat-icon span{font-size:12px}
.chat-key-hint{font-size:11px;color:#74695b;margin-left:auto}
.chat-send,.chat-stop{border:0;background:#263e3e;color:#fffefa;border-radius:9px;padding:8px 13px;min-height:36px;font:inherit;font-size:13px;cursor:pointer;flex-shrink:0}
.chat-stop{background:#716657}
.chat-send:hover{background:#36534f}
.chat-send:disabled,.chat-icon:disabled{opacity:.45;cursor:default}
.chat-footnote{text-align:center;color:#74695b;font-size:11px;line-height:1.4;margin:7px 16px 11px}
.chat-attachments{display:flex;gap:6px;flex-wrap:nowrap;max-height:58px;overflow-x:auto;overflow-y:hidden}
.chat-attachment{flex-shrink:0;background:#f2eadf;border:1px solid #ded4c6;border-radius:7px;padding:4px 7px;display:flex;gap:5px;align-items:center;max-width:100%;margin:5px 0;font-size:12px}
.chat-attachment span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:200px}
.chat-attachment button{border:0;background:none;color:#7f614b;cursor:pointer;min-width:26px;min-height:26px}
.chat-search label{display:flex;align-items:center;gap:8px;font-size:12px;color:#695e50}
.chat-search select,.chat-search input{min-width:0;max-width:100%;padding:4px 7px;border:1px solid #d8cfc1;border-radius:6px;background:#fffdfa;color:#302c27;font:inherit}
.chat-search select{width:76px}
.chat-search #chatWebQueryLabel{display:grid;grid-template-columns:1fr;gap:5px;margin:7px 0}
.chat-search #chatWebQueryLabel span{font-size:11px}
.chat-web-sources{font-size:12px;color:#695e50;margin:9px 0}
.chat-web-sources p{margin:8px 0;overflow-wrap:anywhere}
.chat-web-sources a{color:#785033}
.chat-web-sources span{display:block;font-size:11px}
.chat-web-sources summary{cursor:pointer}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}
body.chat-expanded .brief-chat{width:100vw;border-left:0}
body.chat-expanded .chat-messages{padding-left:max(28px,calc((100vw - 760px)/2));padding-right:max(28px,calc((100vw - 760px)/2))}
body.chat-expanded .chat-form{width:min(760px,calc(100% - 36px));align-self:center}
body.chat-expanded .chat-context{width:min(760px,calc(100% - 44px));box-sizing:border-box;align-self:center}
@media(min-width:1600px){body.chat-open:not(.chat-expanded)>main{margin-right:740px}body.chat-open:not(.chat-expanded) .card-grid{grid-template-columns:1fr}}
@media(max-width:760px){.brief-chat{width:100vw;border-left:0}.chat-heading{padding:10px 15px 8px;min-height:52px}.chat-heading h2{font-size:17px}.chat-expand{display:none}.chat-heading .chat-icon{min-width:40px;min-height:40px}.chat-context{margin:0 15px;padding:7px 10px}.chat-toolbar{padding:7px 15px}.chat-messages{padding:18px 17px}.chat-message{font-size:15px}.chat-empty h3{font-size:20px}.chat-empty{padding:20px 0}.chat-form{margin:7px 10px 0;padding:8px 10px}.chat-form textarea{font-size:16px}.chat-key-hint{display:none}.chat-send,.chat-stop{margin-left:auto;min-height:40px}.chat-footnote{font-size:10px;margin:6px 12px 9px}.chat-status{padding:0 15px}.chat-message-user{max-width:90%}}
@media(max-height:600px){.chat-search #chatWebQueryLabel span{display:none}.chat-heading{padding:6px 15px;min-height:42px}.chat-context{padding:5px 9px}.chat-context #chatFocusLabel{display:none}.chat-toolbar{padding:5px 15px;min-height:30px}.chat-messages{padding-top:12px;padding-bottom:12px}.chat-empty{padding:8px 0}.chat-empty h3{font-size:19px}.chat-suggestions{margin-top:12px;gap:6px}.chat-suggestions button{padding:7px 10px}.chat-form{margin-top:4px;padding:6px 10px}.chat-form textarea{min-height:40px;height:40px;max-height:80px}.chat-form-actions{margin-top:0}.chat-footnote{margin-top:4px;margin-bottom:6px}}

/* One conversation bar; context and conversation actions stay on demand. */
.chat-heading{border-bottom:1px solid #e8e2d8;min-height:52px;padding:8px 16px}
.chat-heading h2{font-size:15px;letter-spacing:0;font-weight:600;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.chat-heading-actions{gap:5px;flex-shrink:0}
.chat-expand{border:0;padding:5px 8px;min-height:32px}
.chat-options>summary{list-style:none;font-size:23px;line-height:32px;min-width:32px;text-align:center;border-radius:6px;cursor:pointer;color:#62574a}
.chat-options>summary::-webkit-details-marker{display:none}
.chat-options>summary:hover{background:#eee9e1}
.chat-options-menu{position:absolute;z-index:4;top:51px;right:12px;width:min(420px,calc(100% - 24px));box-sizing:border-box;max-height:65dvh;overflow:auto;background:#fffdfa;border:1px solid #ded7cb;border-radius:10px;padding:9px 12px;box-shadow:0 8px 28px #182e3126;font-size:13px}
.chat-options-menu summary{padding:8px 0;cursor:pointer;color:#514a40}
.chat-options-menu .text-button{display:block;width:100%;text-align:left;font-size:13px;padding:9px 0;border-top:1px solid #e8e2d8}
.chat-options-menu .chat-context{width:auto!important;margin:0 0 9px;padding:10px;max-height:36dvh;overflow:auto;display:block}
.chat-options-menu .chat-context strong,.chat-options-menu .chat-context #chatFocusLabel{display:block;-webkit-line-clamp:unset;white-space:normal;overflow:visible;font-weight:400;font-size:12px;line-height:1.6}
.chat-options-menu .chat-context #chatFocusLabel{margin-top:8px;color:#695e50}
@media(max-width:760px){.chat-heading{padding:6px 12px;min-height:48px}.chat-heading h2{font-size:14px}.chat-options-menu{top:48px}.chat-heading .chat-icon{min-height:34px;min-width:34px}}