.assistant-controls{padding:10px 12px;border-bottom:1px solid var(--border,#dce5ee);background:var(--panel,#fff);flex-shrink:0}
.assistant-session-row,.assistant-scope-row{display:flex;gap:6px;align-items:center;min-width:0}
.assistant-session-row{margin-bottom:7px}.assistant-session-row select{flex:1;min-width:0;font-weight:600}
.assistant-scope-row #assistantSources{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;text-align:left}
.assistant-controls button,.assistant-controls select{min-height:34px;font-size:12px}
.assistant-result-actions{display:flex;flex-wrap:wrap;gap:5px;margin-top:10px}
.assistant-result-actions button{font-size:12px;min-height:29px;padding:4px 7px}
.assistant-notice,.assistant-progress{font-size:12px;color:var(--muted,#526779);line-height:1.6}
.assistant-welcome div{display:flex;flex-wrap:wrap;gap:7px;justify-content:center}.assistant-welcome button{font-size:12px}
.assistant-source-picker{width:min(650px,94vw)}.assistant-source-picker [data-list]{max-height:44vh;overflow:auto;border:1px solid var(--border,#dce5ee);border-radius:10px;margin-top:12px}
.assistant-source-picker [data-list] label{display:flex;align-items:center;gap:10px;padding:10px;margin:0;border-bottom:1px solid var(--border,#dce5ee)}
.assistant-source-picker input[type=checkbox]{width:auto;min-width:18px}.assistant-source-picker small{display:block;font-weight:400;color:var(--muted,#526779)}
.assistant-evidence{width:min(850px,94vw);max-height:88vh;overflow:auto}.assistant-evidence article{padding:12px 0;border-bottom:1px solid var(--border,#dce5ee)}
.assistant-evidence pre{white-space:pre-wrap;overflow-wrap:anywhere;max-height:350px;overflow:auto;font-size:13px;line-height:1.65;padding:12px;background:var(--surface,#f3f6fa)}
.assistant-evidence h4{margin:0 0 8px;font-size:14px}.assistant-evidence a{margin-right:12px}

.assistant-controls button,.assistant-controls select,.assistant-result-actions button,.assistant-welcome button{border:1px solid #d6e4dd;border-radius:8px;background:#fff;color:#234a3e;cursor:pointer;font-family:inherit}
.assistant-controls button:hover,.assistant-result-actions button:hover,.assistant-welcome button:hover{background:#eef6f1;border-color:#98b7a8}
.assistant-controls button:disabled,.assistant-controls select:disabled{opacity:.55;cursor:wait}
.assistant-controls button:focus-visible,.assistant-controls select:focus-visible,.assistant-result-actions button:focus-visible{outline:2px solid #2e8061;outline-offset:2px}
.assistant-result-actions [data-result-action=save]{background:#eef6f1}
@media(max-width:700px){.shell-document>.shell-row-meta{display:none}.assistant-result-actions button{min-height:36px}.assistant-source-picker [data-list]{max-height:40vh}.shell-ai-context{padding:4px 12px;min-height:32px}.shell-ai-context button{min-height:30px;padding:3px 8px}.assistant-controls{padding:8px 12px}}

/* Conversation hierarchy: session, editable sources, messages, composer. */
.ai-panel .ai-header{height:52px;min-height:52px;padding:8px 14px;flex-shrink:0;overflow:visible}
.ai-header .ai-pulse{display:none}.ai-header .ai-heading{min-width:0;gap:8px}.ai-header strong{font-size:15px;white-space:nowrap}
.ai-panel .ai-tabs{display:none}.shell-ai-context[hidden]{display:none!important}
.ai-panel .ai-header-actions{display:flex;align-items:center}
.ai-panel .assistant-controls{padding:10px 14px;background:#fff;border-bottom:1px solid var(--line)}
.assistant-session-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:6px;margin-bottom:8px}
.assistant-session-row select{width:100%;max-width:none;font-size:13px;background:transparent;border-color:transparent;font-weight:550}
.assistant-session-row #chatClear{display:flex;align-items:center;justify-content:center;gap:5px;font-size:13px;white-space:nowrap}
.assistant-session-row #assistantSettings{padding:7px}
.assistant-scope-row #assistantSources{display:flex;align-items:center;gap:8px;min-height:40px;padding:8px 10px;border:1px solid var(--line);font-size:13px}
#assistantSources>span{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1}
#assistantSources>small{font-size:12px;color:var(--muted);flex-shrink:0}
.ai-panel .document-structure-bar{padding:7px 14px;font-size:12px;min-height:0}
.document-structure-bar button{border:1px solid var(--line);border-radius:8px;min-height:32px;padding:5px 10px;background:#fff;color:var(--green);font:inherit}
.ai-panel .chat-messages{padding:16px;min-height:0}
.ai-panel .welcome-message{margin:clamp(12px,4vh,40px) auto 16px}
.ai-panel .welcome-message p{font-size:14px}.assistant-welcome div{gap:8px}
.assistant-welcome button{min-height:36px;padding:6px 10px;font-size:13px}
.ai-panel .message{font-size:calc(14px * var(--ai-font-scale,1));line-height:1.75;max-width:96%;padding:12px 14px}
.ai-panel .message.user{max-width:88%}
.assistant-result-actions{gap:8px;align-items:center}
.assistant-result-actions>button{display:inline-flex;align-items:center;gap:5px;min-height:36px;font-size:12px;padding:6px 8px}
.assistant-result-more{margin-left:auto}.assistant-result-more>summary{min-height:36px;padding:8px}
.assistant-result-more>div{top:auto;bottom:100%;min-width:150px}
.assistant-result-more button{display:flex;gap:8px;align-items:center;font-size:13px;min-height:36px}
.chat-form .writing-composer-tools label>span,.chat-form .chat-form-footer>span{font-size:12px}
.chat-form .writing-composer-tools.hidden{display:none!important}
.chat-form .chat-form-footer{grid-template-columns:minmax(0,1fr) auto;gap:8px}.chat-form .chat-form-footer [type=submit]{min-height:40px;min-width:40px}
.chat-form textarea{font-size:15px;min-height:78px;line-height:1.6}
@media(max-width:680px){
 .ai-panel .ai-header{height:52px}.assistant-session-row{grid-template-columns:minmax(0,1fr) auto}
 .assistant-controls button,.assistant-controls select,.assistant-composer button,.assistant-composer select,.ai-header-actions button{min-height:44px;min-width:44px}
 .assistant-controls select,.assistant-composer select{font-size:16px}
 .assistant-result-actions>button,.assistant-result-more summary,.assistant-result-more button,.assistant-welcome button{min-height:44px}
 .chat-form textarea{font-size:16px}.chat-form .chat-form-footer [type=submit]{min-height:44px;min-width:44px}
}
/* Persistent controls: conversation context above, request and display choices below. */
.assistant-goal-row{display:flex;align-items:center;gap:8px;margin-top:6px;min-width:0}
#assistantGoal{flex:1;min-width:0;margin:0;font-size:12px;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
#assistantSettings{display:flex;align-items:center;gap:5px;padding:4px 7px;white-space:nowrap;border-color:transparent;background:transparent}
#assistantFigure{flex-shrink:0;display:inline-flex;align-items:center;gap:5px;min-width:62px;min-height:36px;padding:5px 8px;white-space:nowrap}
.assistant-composer{flex-shrink:0;min-width:0;padding:10px 14px max(8px,env(safe-area-inset-bottom));border-top:1px solid var(--line);background:var(--panel)}
.assistant-request-settings{display:grid;gap:6px}
.assistant-model-row,.assistant-mode-row,.assistant-search-toggle{display:flex;align-items:center;gap:10px;min-width:0;min-height:36px}
.assistant-model-row>label,.assistant-mode-row>span,.assistant-search-toggle>span:first-child{flex-shrink:0;width:56px;margin:0;font-size:13px;font-weight:500;color:var(--muted)}
#assistantModelField{display:flex;align-items:center;gap:6px;flex:1;min-width:0}
#modelSelect{width:100%;min-width:0;max-width:none;min-height:36px;font-size:13px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--ink)}
.assistant-composer #modelRetry{white-space:nowrap;min-height:36px;padding:4px 8px;border:1px solid var(--line);border-radius:8px;background:white;color:var(--green);font-size:12px}
.assistant-mode-options{display:flex;flex:1;min-width:0;padding:3px;background:var(--paper);border:1px solid var(--line);border-radius:9px}
.assistant-mode-options label{position:relative;flex:1;margin:0;display:block;min-width:0;cursor:pointer}
.assistant-mode-options input{position:absolute;inset:0;width:100%;height:100%;opacity:0;margin:0;cursor:pointer}
.assistant-mode-options span{display:grid;place-items:center;min-height:30px;border-radius:6px;font-size:13px;color:var(--muted)}
.assistant-mode-options input:checked+span{background:#fff;color:var(--green);font-weight:650;box-shadow:0 1px 3px #17201d1a}
.assistant-mode-options input:focus-visible+span{outline:2px solid var(--green);outline-offset:1px}
.assistant-mode-options input:disabled+span{opacity:.55;cursor:wait}
.assistant-search-toggle{justify-content:space-between;margin:0;font-size:13px;cursor:pointer}
.assistant-switch-control{position:relative;display:flex;align-items:center;gap:8px;min-height:36px;min-width:78px;color:var(--muted);font-size:12px}
.assistant-switch-control input{position:absolute;inset:0;width:100%;height:100%;margin:0;opacity:0;cursor:pointer}
.assistant-switch-track{display:block;width:32px;height:20px;border:1px solid var(--line-strong);border-radius:12px;background:#dce5df;pointer-events:none}
.assistant-switch-track::after{content:"";display:block;width:14px;height:14px;margin:2px;border-radius:50%;background:#fff;box-shadow:0 1px 2px #17201d33}
.assistant-switch-control input:checked+.assistant-switch-track{background:var(--green);border-color:var(--green)}
.assistant-switch-control input:checked+.assistant-switch-track::after{transform:translateX(12px)}
.assistant-switch-control input:focus-visible+.assistant-switch-track{outline:2px solid var(--green);outline-offset:3px}
.assistant-switch-control input:disabled+.assistant-switch-track{opacity:.55}
.assistant-settings-status{margin:0;font-size:12px;color:var(--muted)}
.ai-panel .assistant-composer .chat-form{width:100%;margin:6px 0 4px;border-radius:12px;box-shadow:none}
.assistant-composer .chat-form textarea{min-height:68px;padding:10px 12px}
.assistant-composer .chat-form-footer{grid-template-columns:minmax(0,1fr) auto auto;padding:0 8px 8px 12px}
.assistant-display-settings{display:flex;justify-content:space-between;align-items:center;gap:8px;min-width:0}
.assistant-companion{display:flex;align-items:center;gap:5px;min-width:0;font-size:12px;color:var(--muted)}
.assistant-companion #companionTrigger{display:flex;align-items:center;gap:5px;max-width:130px;min-height:36px;padding:4px 7px;border:0;background:transparent;font-size:12px;color:var(--green)}
.assistant-companion #companionTrigger span{display:inline}
.assistant-companion #companionTrigger img{width:20px;height:24px;object-fit:contain}
.assistant-display-settings .ai-font-controls{display:flex;align-items:center;gap:3px;margin:0}
.assistant-display-settings .ai-font-controls button{width:36px;min-width:36px;height:36px;min-height:36px;font-size:13px;background:transparent;border:1px solid transparent;border-radius:8px;color:var(--green)}
.assistant-display-settings .ai-font-controls output{display:block;min-width:38px;font-size:12px;text-align:center}
.assistant-composer button:focus-visible,.assistant-composer select:focus-visible{outline:2px solid var(--green);outline-offset:2px}
.assistant-composer button:hover:not(:disabled){background:var(--paper)}
.ai-panel .ai-float-button{display:inline-flex;align-items:center;justify-content:center;min-width:44px;font-size:12px}
.ai-panel .ai-float-button:disabled{opacity:.65}
.shell-assistant-active .assistant-composer{width:min(860px,100%);margin:0 auto}
.ai-panel.assistant-short .ai-mode-panel{overflow-y:auto;overscroll-behavior:contain}
.ai-panel.assistant-short .chat-messages{flex:0 0 auto;min-height:140px;max-height:36vh}
@media(max-width:680px){
 .assistant-composer{padding:8px 10px max(8px,env(safe-area-inset-bottom))}
 .assistant-composer #modelSelect{min-height:44px;font-size:16px}
 .assistant-mode-options span{min-height:44px}.assistant-switch-control{min-height:44px;min-width:88px}
 .assistant-companion #companionTrigger{min-height:44px}
 .assistant-display-settings .ai-font-controls button{min-width:44px;min-height:44px}
 .ai-panel .assistant-controls{padding:8px 10px}

 .assistant-goal-row{margin-top:2px}
}

@media(min-width:901px){.app-shell.ai-floating:not(.shell-assistant-active) .ai-panel{z-index:12}}
/* One task picker for research and the existing writing workflows. */
.ai-panel .assistant-session-row{grid-template-columns:minmax(0,1fr) auto auto}
.assistant-session-row #assistantSettings{display:grid;place-items:center;min-width:36px;padding:7px}
.assistant-goal-row[hidden]{display:none!important}
@media(max-width:680px){.assistant-session-row #assistantSettings{min-width:44px;min-height:44px}}




.assistant-composer #writingComposerTools>label{display:none}
.assistant-composer #writingComposerTools:has(.writing-context-controls.hidden){display:none}
.assistant-welcome button{display:inline-flex;align-items:center;gap:6px}
.assistant-translation-status{margin:12px 0;padding:12px 0;border-top:1px solid var(--line);color:var(--muted);font-size:13px;line-height:1.6;overflow-wrap:anywhere}
.assistant-translation-status>div{display:flex;align-items:baseline;justify-content:space-between;gap:12px}
.assistant-translation-status strong{font-size:14px;color:var(--ink,#17201d);font-weight:600}
.assistant-translation-status>div>span{flex:none;font-size:12px}
.assistant-translation-status p{margin:4px 0}.assistant-translation-status small{display:block;font-size:12px}
.assistant-translation-status .assistant-translation-locations{margin:6px 0 0;padding-left:18px;font-size:12px;line-height:1.6;overflow-wrap:anywhere}
.assistant-translation-status .assistant-translation-locations li{margin:2px 0}
.assistant-translation-status .assistant-translation-locations button{display:block;margin-top:4px}
.assistant-translation-status .assistant-translation-more{margin-top:6px;font-size:12px}
.assistant-translation-status .assistant-translation-more summary{cursor:pointer;color:var(--green)}
.assistant-translation-status[data-translation-status="partial"]{border-left-color:#8a6939}
.assistant-translation-status button[disabled]{opacity:.6;cursor:wait}
.ai-panel .assistant-translation-status small{color:var(--muted);opacity:1;font-size:12px}
.assistant-translation-status button{margin-top:8px;min-height:40px;padding:6px 14px;border:1px solid var(--line);border-radius:8px;background:var(--paper,#f3f7f4);color:var(--green);cursor:pointer}
.assistant-translation-status button:focus-visible{outline:2px solid var(--green);outline-offset:3px}
@media(max-width:680px){.assistant-translation-status button,.assistant-translation-status+.assistant-result-actions button{min-height:44px}.assistant-translation-status>div{flex-wrap:wrap;gap:4px 12px}}
.citation-check-dialog{width:min(680px,94vw);max-height:88vh;overflow:auto}
dialog.citation-check-dialog{padding:20px}
.citation-check-dialog .pc-notice{padding:0;border:0;background:transparent;font-size:12px;line-height:1.6;color:var(--muted)}
.citation-check-dialog a{color:var(--green);text-underline-offset:3px}
.citation-check-dialog h3{margin:0;font-size:18px}

.citation-check-dialog>header,.citation-check-dialog>footer{display:flex;align-items:center;justify-content:space-between;gap:12px}
.citation-check-dialog>footer{justify-content:flex-end;margin-top:16px}
.citation-check-dialog button{min-height:40px;padding:6px 12px;cursor:pointer}
.citation-check-summary{font-weight:600;line-height:1.6}
.citation-comparison section{padding:12px 0;border-bottom:1px solid var(--line)}
.citation-comparison h4{display:flex;justify-content:space-between;gap:12px;margin:0 0 8px;font-size:14px}
.citation-comparison h4 span{font-size:12px;font-weight:400;color:var(--muted)}
.citation-comparison dl{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:0}
.citation-comparison dt{font-size:12px;color:var(--muted);margin-bottom:4px}
.citation-comparison dd{margin:0;font-size:14px;line-height:1.6;overflow-wrap:anywhere}
@media(max-width:680px){.ai-panel .assistant-controls{padding:6px 10px}.assistant-composer .chat-form textarea{height:64px;min-height:64px}.citation-comparison dl{grid-template-columns:1fr;gap:8px}.citation-check-dialog button{min-height:44px}dialog.citation-check-dialog{padding:16px}}