.cbui-assistant{--ca-ink:#17343e;--ca-sage:#567568;--ca-paper:#fffdf7;--ca-line:#d7dfd5;position:fixed;z-index:9000;right:max(18px,env(safe-area-inset-right));bottom:max(18px,env(safe-area-inset-bottom));color:var(--ca-ink);font:16px/1.65 "PingFang SC","Microsoft YaHei",sans-serif;text-align:left;color-scheme:light}
.cbui-assistant *{box-sizing:border-box}.cbui-assistant [hidden]{display:none!important}.cbui-assistant button,.cbui-assistant select,.cbui-assistant textarea,.cbui-assistant input{font:inherit;margin:0;letter-spacing:normal;text-transform:none;box-shadow:none}
.cbui-assistant button{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:44px;width:auto;padding:8px 12px;border:1px solid var(--ca-line);border-radius:12px;background:var(--ca-paper);color:var(--ca-ink);cursor:pointer;line-height:1.4}.cbui-assistant button:hover{border-color:var(--ca-sage);background:#eef3e9}.cbui-assistant button:disabled{cursor:wait;opacity:.55}.cbui-assistant :is(button,a,select,textarea,input):focus-visible{outline:3px solid #a36a16;outline-offset:3px}
.cbui-assistant .ca-launch{gap:10px;background:var(--ca-paper);border-radius:22px;padding:6px 16px 6px 6px;box-shadow:0 10px 34px #091d2926;border:1px solid #aabda9;min-height:64px}.cbui-assistant .ca-launch img{display:block;width:54px;height:54px;object-fit:contain;border-radius:16px}.cbui-assistant .ca-launch span{display:flex;flex-direction:column;text-align:left;font-size:15px;font-weight:700}.cbui-assistant .ca-launch small{font-size:12px;font-weight:400;color:#50665c}
.cbui-assistant .ca-panel{position:absolute;bottom:82px;right:0;width:min(850px,calc(100vw - 36px));height:min(780px,calc(100dvh - 120px));min-height:300px;display:flex;flex-direction:column;background:var(--ca-paper);border:1px solid #c6d3c5;border-radius:24px;box-shadow:0 22px 90px #091d2940;overflow:hidden}.cbui-assistant .ca-panel.ca-wide{width:min(1140px,calc(100vw - 36px));height:calc(100dvh - 120px)}
.cbui-assistant .ca-header{display:flex;align-items:center;gap:12px;padding:16px 18px;border:0;border-bottom:1px solid var(--ca-line);background:linear-gradient(120deg,#eff2e6,#e6eee5);flex-shrink:0}.cbui-assistant .ca-header img{width:54px;height:54px;object-fit:contain}.cbui-assistant .ca-title{flex:1;min-width:0}.cbui-assistant .ca-title p{font:600 12px/1.5 Avenir,"PingFang SC",sans-serif;letter-spacing:1.4px;margin:0 0 3px;color:#4c6858}.cbui-assistant .ca-title h2{font:600 22px/1.35 "Songti SC",Georgia,serif;color:var(--ca-ink);margin:0}.cbui-assistant .ca-icon{width:44px;height:44px;padding:8px;background:transparent;border:0;font-size:26px;flex-shrink:0}.cbui-assistant .ca-context{display:flex;align-items:center;gap:10px;padding:9px 18px;border-bottom:1px solid var(--ca-line);font-size:14px;flex-shrink:0}.cbui-assistant .ca-context-label{font-size:12px;letter-spacing:1px;color:#54695d;flex-shrink:0}.cbui-assistant [data-current-title]{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1}.cbui-assistant .ca-ai-tag{font:700 12px Avenir,sans-serif;border:1px solid #b8c9b8;background:#edf3e8;border-radius:99px;padding:4px 9px;white-space:nowrap}
.cbui-assistant .ca-view-switch{display:none}.cbui-assistant .ca-workspace{display:grid;grid-template-columns:minmax(230px,34%) minmax(0,1fr);flex:1;min-height:0}.cbui-assistant .ca-material{min-width:0;overflow-y:auto;overscroll-behavior:contain;padding:20px 16px;background:#f3f3e9;border-right:1px solid var(--ca-line)}.cbui-assistant .ca-section-heading p{font:600 12px/1.5 Avenir,"PingFang SC",sans-serif;letter-spacing:1px;color:#5b715f;margin:0 0 6px}.cbui-assistant .ca-section-heading h3{font:600 20px/1.45 "Songti SC",serif;margin:0 0 16px}.cbui-assistant .ca-upload-actions{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-bottom:16px}.cbui-assistant .ca-upload-actions button{font-size:14px;padding:8px}
.cbui-assistant .ca-material-preview{border:1px solid #cdd8c9;background:#fffef9;border-radius:14px;padding:10px;min-height:160px;overflow:hidden}.cbui-assistant .ca-material-preview img{display:block;max-width:100%;width:100%;height:auto;object-fit:contain}.cbui-assistant .ca-material-preview pre{white-space:pre-wrap;overflow-wrap:anywhere;font:14px/1.75 "PingFang SC",sans-serif;margin:0;max-height:360px;overflow-y:auto;color:var(--ca-ink)}.cbui-assistant .ca-filename{font-size:12px;overflow-wrap:anywhere;color:#536a5d;margin:0 0 8px}.cbui-assistant .ca-material-empty{display:flex;flex-direction:column;align-items:center;text-align:center;padding:22px 8px;background:radial-gradient(ellipse at 50% 40%,#eef2df,#fffdf7 75%);min-height:210px;justify-content:center}.cbui-assistant .ca-page-icon{font-size:46px;line-height:1.25;color:#5e7c65;margin-bottom:12px}.cbui-assistant .ca-material-empty b{font-size:16px}.cbui-assistant .ca-material-empty p{font-size:12px;color:#54695d;margin:8px 0}.cbui-assistant .ca-material-empty>span:last-child{font-size:12px;color:#596e60}
.cbui-assistant .ca-page-controls{display:flex;align-items:center;justify-content:center;gap:7px;margin:10px 0;font-size:12px}.cbui-assistant .ca-page-controls button{padding:6px 10px;min-width:44px}.cbui-assistant .ca-page-controls label{display:flex;align-items:center;gap:4px;margin:0;font-size:12px}.cbui-assistant [data-page-input]{width:48px;min-height:44px;padding:5px;border:1px solid #a7baa8;border-radius:8px;background:white;color:var(--ca-ink)}.cbui-assistant .ca-photo-list{display:flex;flex-direction:column;gap:8px;margin-top:10px}.cbui-assistant .ca-photo-item{display:flex;align-items:center;gap:8px;background:#fffdf7;border:1px solid var(--ca-line);border-radius:12px;padding:7px}.cbui-assistant .ca-photo-item img{width:58px;height:68px;object-fit:contain;background:#fff}.cbui-assistant .ca-photo-item span{font-size:12px;flex:1;min-width:0;overflow-wrap:anywhere}.cbui-assistant .ca-photo-item button{padding:4px;min-width:44px}.cbui-assistant .ca-document-actions{display:flex;flex-direction:column;gap:6px;margin-top:10px}.cbui-assistant .ca-document-actions button{font-size:13px}.cbui-assistant .ca-material-note{font-size:12px;line-height:1.7;color:#526659;margin:12px 0}.cbui-assistant .ca-scope{border-top:1px solid #d3decf;padding-top:16px;margin-top:20px}.cbui-assistant .ca-scope b{font-size:14px}.cbui-assistant .ca-scope p{font-size:13px;line-height:1.8;color:#53695a;margin:7px 0}
.cbui-assistant .ca-conversation{display:flex;flex-direction:column;min-width:0;min-height:0;background:var(--ca-paper)}.cbui-assistant .ca-body{min-height:65px;flex:1;overflow-y:auto;padding:20px;overscroll-behavior:contain}.cbui-assistant .ca-message{overflow-wrap:anywhere;padding:14px 16px;margin:0 20px 16px 0;background:#edf2e8;border-radius:4px 18px 18px 18px;font-size:16px;line-height:1.8;color:var(--ca-ink)}.cbui-assistant .ca-message[data-role=user]{margin:0 0 16px 20px;background:#e1ece6;border-radius:18px 4px 18px 18px}.cbui-assistant .ca-message-text{white-space:pre-wrap}.cbui-assistant .ca-author{font-size:12px;font-weight:700;display:block;margin-bottom:5px;color:#4b6459}.cbui-assistant .ca-source{display:block;font-size:12px;margin:0 0 8px;padding-bottom:7px;border-bottom:1px solid #c9d9c9;color:#4e6a5a}.cbui-assistant .ca-reply-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}.cbui-assistant .ca-reply-actions button{font-size:12px;padding:5px 10px;background:#f8faf3;border-color:#cad8c8}.cbui-assistant .ca-hints{display:flex;gap:6px;flex-wrap:wrap;padding:0 16px 10px;flex-shrink:0}.cbui-assistant .ca-hints button{font-size:13px;border-radius:99px;padding:7px 10px}
.cbui-assistant .ca-controls{border-top:1px solid var(--ca-line);padding:12px 16px;flex-shrink:0;background:#fbfcf5}.cbui-assistant .ca-options{display:flex;gap:7px;align-items:center;margin-bottom:8px}.cbui-assistant .ca-options label{font-size:12px;margin:0;font-weight:600;white-space:nowrap}.cbui-assistant select{width:auto;min-width:0;height:44px;border:1px solid #bacbbb;border-radius:9px;padding:6px;background:#fffef9;color:var(--ca-ink);font-size:14px;flex:1}.cbui-assistant .ca-new{width:44px;padding:5px;font-size:22px;flex-shrink:0}.cbui-assistant .ca-input-label{display:block;margin:0 0 4px;font-size:12px;font-weight:600}.cbui-assistant textarea{display:block;resize:none;width:100%;height:74px;min-height:74px;padding:10px 12px;border:1px solid #9fb5a4;border-radius:12px;background:white;font-size:16px;color:var(--ca-ink);line-height:1.5}.cbui-assistant .ca-composer-tools{display:flex;align-items:center;gap:8px;margin-top:8px}.cbui-assistant .ca-tools{flex:1;display:flex;gap:5px;min-width:0}.cbui-assistant .ca-tools button{font-size:13px;padding:6px 9px}.cbui-assistant .ca-tools button[aria-pressed=true]{background:#fff0eb;color:#9a3927;border-color:#d6a792}.cbui-assistant .ca-send{background:var(--ca-sage);color:white;border-color:var(--ca-sage);padding:8px 16px;font-weight:600;flex-shrink:0}.cbui-assistant .ca-send:hover{background:#415e50;color:white}.cbui-assistant .ca-bottom{display:flex;gap:8px;align-items:center;margin-top:4px;flex-wrap:wrap}.cbui-assistant .ca-bottom>span{font-size:12px;color:#5d6f62}.cbui-assistant .ca-read-toggle{display:inline-flex;align-items:center;gap:6px;min-height:44px;margin:0;font-size:12px;font-weight:400}.cbui-assistant .ca-read-toggle input{width:18px;height:18px;min-height:0;accent-color:var(--ca-sage);padding:0;border:1px solid #9fb5a4}.cbui-assistant [data-ca=stop-speaking]{font-size:12px;padding:4px 8px}.cbui-assistant .ca-status{font-size:12px;line-height:1.6;color:#47614f;min-height:18px;overflow-wrap:anywhere;margin:0}.cbui-assistant .ca-footnote{font-size:12px;line-height:1.6;color:#566a5a;margin:4px 0 0}.cbui-assistant .ca-attachments{display:flex;flex-wrap:wrap;align-items:center;gap:6px;max-height:100px;overflow-y:auto}.cbui-assistant .ca-attachments>span{background:#e9efdf;font-size:12px;color:#435f4d;border-radius:7px;padding:5px 8px;overflow-wrap:anywhere;margin:0 0 6px}.cbui-assistant .ca-attachments audio{width:min(100%,260px);height:36px;margin-bottom:6px}.cbui-assistant .ca-attachments button{font-size:12px;padding:4px 7px}
.cbui-assistant .ca-camera{position:absolute;inset:0;z-index:3;display:flex;flex-direction:column;gap:14px;padding:20px;background:#f5f7ef;overflow:auto}.cbui-assistant .ca-camera-top{display:flex;align-items:center;gap:12px}.cbui-assistant .ca-camera-top h3{flex:1;font:600 22px "Songti SC",serif;margin:0}.cbui-assistant .ca-camera-top button{width:44px}.cbui-assistant video{width:100%;max-height:calc(100% - 200px);min-height:100px;object-fit:contain;background:#112a30;border-radius:14px}.cbui-assistant .ca-camera-status{font-size:14px;margin:0}.cbui-assistant .ca-camera-buttons{display:flex;gap:8px;flex-wrap:wrap}.cbui-assistant .ca-camera-buttons button{flex:1}
@media(max-width:720px){.cbui-assistant{right:12px;bottom:max(12px,env(safe-area-inset-bottom))}.cbui-assistant .ca-panel,.cbui-assistant .ca-panel.ca-wide{width:calc(100vw - 24px);height:calc(100dvh - 94px);bottom:68px;border-radius:18px;min-height:280px}.cbui-assistant .ca-header{gap:8px;padding:10px 12px}.cbui-assistant .ca-header img{width:42px;height:42px}.cbui-assistant .ca-title h2{font-size:19px}.cbui-assistant .ca-title p{font-size:12px;letter-spacing:.5px}.cbui-assistant .ca-expand{display:none}.cbui-assistant .ca-icon{width:44px}.cbui-assistant .ca-context{padding:7px 12px;font-size:13px;gap:7px}.cbui-assistant .ca-context-label{font-size:12px}.cbui-assistant .ca-ai-tag{display:none}.cbui-assistant .ca-view-switch{display:flex;padding:7px 12px;gap:8px;border-bottom:1px solid var(--ca-line);flex-shrink:0}.cbui-assistant .ca-view-switch button{flex:1;font-size:14px;min-height:44px;border-radius:9px}.cbui-assistant .ca-view-switch [aria-pressed=true]{background:#e5eddf;color:#294b39;border-color:#99b397}.cbui-assistant .ca-workspace{display:flex;flex-direction:column}.cbui-assistant .ca-workspace[data-view=chat] .ca-material{display:none}.cbui-assistant .ca-workspace[data-view=material] .ca-conversation{display:none}.cbui-assistant .ca-workspace[data-view=material] .ca-material{flex:1}.cbui-assistant .ca-material{border:0;padding:16px}.cbui-assistant .ca-conversation{flex:1}.cbui-assistant .ca-body{padding:12px;min-height:50px}.cbui-assistant .ca-message{padding:11px 12px;margin-right:12px;font-size:16px}.cbui-assistant .ca-message[data-role=user]{margin-left:12px}.cbui-assistant .ca-controls{padding:9px 12px}.cbui-assistant .ca-hints{padding:0 12px 8px;gap:5px}.cbui-assistant .ca-hints button{font-size:12px;padding:6px 8px}.cbui-assistant .ca-footnote{display:none}.cbui-assistant .ca-launch{min-height:56px;padding:4px 10px 4px 4px;border-radius:18px}.cbui-assistant .ca-launch img{width:46px;height:46px}.cbui-assistant .ca-launch span{font-size:14px}.cbui-assistant .ca-options{gap:5px}.cbui-assistant select{font-size:13px}.cbui-assistant .ca-options label{font-size:12px}.cbui-assistant .ca-tools button{padding:5px 7px;font-size:12px}.cbui-assistant .ca-send{padding:7px 12px}.cbui-assistant .ca-attachments{max-height:80px}}
@media(max-height:620px){.cbui-assistant .ca-panel,.cbui-assistant .ca-panel.ca-wide{height:calc(100dvh - 80px);bottom:64px}.cbui-assistant .ca-header{padding:6px 12px}.cbui-assistant .ca-context,.cbui-assistant .ca-hints,.cbui-assistant .ca-footnote,.cbui-assistant .ca-bottom{display:none}.cbui-assistant .ca-options{margin-bottom:4px}.cbui-assistant textarea{height:44px;min-height:44px}.cbui-assistant .ca-controls{padding:6px 12px}.cbui-assistant .ca-view-switch{padding:3px 12px}.cbui-assistant .ca-body{min-height:36px}}
@media(prefers-reduced-motion:reduce){.cbui-assistant *{scroll-behavior:auto!important;animation:none!important;transition:none!important}}

.cbui-assistant .ca-panel[aria-busy=true] .ca-tools{display:none}.cbui-assistant .ca-panel[aria-busy=true] .ca-composer-tools{justify-content:flex-end}.cbui-assistant .ca-formula{display:inline-block;max-width:100%;overflow-x:auto;vertical-align:middle}.cbui-assistant math{font-size:1.08em}.cbui-assistant .ca-message code{font:14px/1.6 ui-monospace,monospace;background:#dfe8d9;border-radius:4px;padding:2px 5px;white-space:pre-wrap}.cbui-assistant .ca-message strong{font-weight:700}

/* Material reading is a native modal: keyboard focus stays with the page being read. */
.cbui-assistant .ca-read-material{width:100%;margin-top:10px;font-size:14px;background:#edf3e8;border-color:#adbfaa}
.cbui-assistant .ca-photo-open{padding:0;border:0;background:transparent;min-width:58px;flex-shrink:0;cursor:zoom-in}
.cbui-assistant .ca-reader{position:fixed;inset:0;margin:auto;width:min(1000px,calc(100vw - 40px));height:min(980px,calc(100dvh - 40px));max-width:none;max-height:none;padding:0;border:1px solid #afc1ad;border-radius:20px;background:var(--ca-paper);color:var(--ca-ink);box-shadow:0 28px 100px #0d292740;font:16px/1.65 "PingFang SC",sans-serif;overflow:hidden}
.cbui-assistant .ca-reader:not([open]){display:none}.cbui-assistant .ca-reader::backdrop{background:#0e272dc2;backdrop-filter:blur(5px)}
.cbui-assistant .ca-reader-shell{display:flex;flex-direction:column;height:100%;min-height:0}.cbui-assistant .ca-reader-header{display:flex;gap:16px;align-items:center;padding:16px 22px;border-bottom:1px solid var(--ca-line);background:#eff3e8;flex-shrink:0}.cbui-assistant .ca-reader-header>div{flex:1;min-width:0}.cbui-assistant .ca-reader-header p{margin:0 0 4px;font:600 12px/1.5 Avenir,sans-serif;letter-spacing:1px;color:#526c5c}.cbui-assistant .ca-reader-header h3{margin:0;font-size:18px;line-height:1.5;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.cbui-assistant .ca-reader-header button{width:44px;padding:4px;font-size:26px;flex-shrink:0}
.cbui-assistant .ca-reader-toolbar{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;padding:8px 22px;border-bottom:1px solid var(--ca-line);background:var(--ca-paper);font-size:14px;flex-shrink:0}.cbui-assistant .ca-reader-zoom{display:flex;align-items:center;gap:8px}.cbui-assistant .ca-reader-zoom button{min-width:44px}.cbui-assistant [data-reader-zoom]{min-width:44px;text-align:center;font:600 14px Avenir,sans-serif}
.cbui-assistant .ca-reader-content{flex:1;min-height:0;overflow:auto;background:#dfe5de;padding:18px;overscroll-behavior:contain;touch-action:pan-x pan-y pinch-zoom}.cbui-assistant .ca-reader-content img{display:block;height:auto;background:white;box-shadow:0 3px 20px #17343e1a}.cbui-assistant .ca-reader-content pre{max-width:76ch;margin:0 auto;white-space:pre-wrap;overflow-wrap:anywhere;font:18px/1.9 "PingFang SC",sans-serif;padding:28px;background:var(--ca-paper);min-height:100%}
.cbui-assistant .ca-reader-footer{display:flex;align-items:center;gap:12px;padding:12px 22px;border-top:1px solid var(--ca-line);background:var(--ca-paper);flex-shrink:0}.cbui-assistant .ca-reader-footer>button{flex-shrink:0;min-width:44px}.cbui-assistant .ca-reader-status{flex:1;margin:0;font-size:13px;color:#526b59;line-height:1.6}.cbui-assistant [data-ca=reader-ask]{background:var(--ca-sage);color:white;border-color:var(--ca-sage)}
@media(max-width:720px){.cbui-assistant .ca-reader{width:100vw;height:100dvh;border-radius:0;border:0}.cbui-assistant .ca-reader-header{padding:12px max(12px,env(safe-area-inset-right)) 12px max(12px,env(safe-area-inset-left))}.cbui-assistant .ca-reader-header h3{font-size:16px}.cbui-assistant .ca-reader-toolbar{padding:8px 12px;gap:6px}.cbui-assistant .ca-reader-zoom{gap:5px;margin-left:auto}.cbui-assistant .ca-reader-zoom button{font-size:13px;padding:6px 8px}.cbui-assistant .ca-reader-content{padding:10px}.cbui-assistant .ca-reader-content pre{padding:18px;font-size:17px}.cbui-assistant .ca-reader-footer{flex-wrap:wrap;gap:8px;padding:10px 12px max(12px,env(safe-area-inset-bottom))}.cbui-assistant .ca-reader-status{order:3;flex-basis:100%;font-size:12px}.cbui-assistant [data-ca=reader-ask]{margin-left:auto}}

/* Actual material preparation state; no simulated completion percentage. */
.cbui-assistant .ca-material-load{padding:14px;margin:0 0 14px;border:1px solid #afc1ad;border-radius:14px;background:#eaf0e3;color:var(--ca-ink)}
.cbui-assistant .ca-material-load[data-state=retry]{background:#fcf1dd;border-color:#d9bf88}
.cbui-assistant .ca-load-heading{display:flex;gap:10px;align-items:flex-start}.cbui-assistant .ca-load-heading>div{flex:1;min-width:0}.cbui-assistant .ca-load-marker{font-size:26px;line-height:1.25;color:#54705e}.cbui-assistant .ca-load-heading b{font-size:15px;line-height:1.5}.cbui-assistant [data-load-name]{font-size:12px;overflow-wrap:anywhere;color:#526659;margin:4px 0 0}.cbui-assistant [data-load-detail]{font-size:14px;line-height:1.7;margin:12px 0;overflow-wrap:anywhere}.cbui-assistant .ca-load-actions{display:flex;gap:8px;flex-wrap:wrap}.cbui-assistant .ca-load-actions button{font-size:13px;flex:1;min-height:44px;background:#fffdf7}.cbui-assistant .ca-load-delay{font-size:12px;line-height:1.7;margin:12px 0 0;color:#536b5a}.cbui-assistant .ca-reader [data-ca=cancel-material]{font-size:13px;background:#fcf1dd;border-color:#d9bf88}