#aiChatWindow,#aiChatWindow *{box-sizing:border-box}
#aiChatWindow{height:600px;max-height:calc(100dvh - 120px)}
#aiMessages{flex:1 1 auto;min-height:0;max-height:none;overflow-x:hidden;overscroll-behavior:contain}
#aiMessages .ai-message{min-width:0;max-width:100%;overflow-wrap:anywhere}
#aiMessages dd{margin-left:0;white-space:pre-wrap;overflow-wrap:anywhere}
#aiChatWindow>label{flex:0 1 auto;min-height:0;max-height:30%;overflow-y:auto;overflow-wrap:anywhere}
#aiChatWindow>label span{min-width:0}
#aiChatWindow>div:first-child,#aiChatWindow>div:last-child{flex-shrink:0}
#aiInput{min-width:0;width:0;font-size:16px!important}
#aiChatWindow>div:last-child button{flex-shrink:0}
#assistantNav .nav-icon{display:flex;align-items:center;justify-content:center}
#assistantNav svg{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
#aiTools{flex:0 1 auto;min-height:0;max-height:45%;overflow:auto;padding:10px 14px;border-bottom:1px solid var(--border);overscroll-behavior:contain}
#aiTools .ai-toolbar{display:flex;gap:8px;align-items:center}
#aiTools select{min-width:0;max-width:100%;flex:1;width:100%}
#aiTools details{margin-top:8px}
#aiTools summary{cursor:pointer;padding:6px 0;font-size:13px;color:var(--muted)}
#aiTools label{display:block;font-size:12px;line-height:1.5;margin:8px 0}
#aiTools input:not([type=checkbox]){width:100%;min-width:0}
#aiTools input[type=checkbox]{width:18px;height:18px;vertical-align:middle}
#aiTools small{display:block;font-size:12px;line-height:1.5;color:var(--muted);margin:8px 0}
#aiTools button,#aiMessages button{white-space:normal;overflow-wrap:anywhere;max-width:100%;margin:3px 0}
#aiTools button,#aiMessages button{min-height:40px;padding:9px 12px;border:1px solid var(--border);border-radius:10px;background:var(--bg2);color:var(--text);font:inherit;font-size:13px;cursor:pointer}
#aiTools button:hover,#aiMessages button:hover{background:color-mix(in srgb,var(--accent) 18%,var(--bg2));border-color:var(--accent)}
#aiMessages .ai-card-actions button:first-child{background:var(--accent);border-color:var(--accent);color:#fff}
#aiTools button:disabled,#aiMessages button:disabled{opacity:.5;cursor:default}
#aiTools select,#aiTools input:not([type=checkbox]),#aiMessages .ai-edit-plan input:not([type=checkbox]),#aiMessages .ai-edit-plan textarea{min-height:40px;padding:9px 10px;background:var(--bg);color:var(--text);border:1px solid var(--border);border-radius:10px;font:inherit;font-size:14px}
#aiTools :is(button,input,select):focus-visible,#aiMessages :is(button,input,textarea):focus-visible{outline:2px solid var(--accent);outline-offset:2px}
#aiArticleResults,#aiSelectedArticles{display:grid;gap:4px}
#aiMessages .ai-card-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}
#aiMessages section{border-top:1px solid var(--border);margin-top:12px;padding-top:12px}
#aiMessages dl{margin:8px 0;white-space:normal}
#aiMessages dt{font-size:12px;color:var(--muted);margin-top:6px}
#aiMessages .ai-edit-plan{white-space:normal;margin-top:12px}
#aiMessages .ai-edit-plan label{display:block;margin:8px 0;font-size:12px}
#aiMessages .ai-edit-plan input:not([type=checkbox]),#aiMessages .ai-edit-plan textarea{display:block;width:100%;min-width:0;max-width:100%}
#aiMessages .ai-edit-plan summary{cursor:pointer}
body:has(#aiChatWindow.open) #confirmModal{z-index:3000}
@media(min-width:901px){#aiChatWindow{width:480px;height:720px}}
@media(max-width:900px){
 #aiTools button,#aiMessages button{min-height:44px}
 #aiTools select,#aiTools input:not([type=checkbox]),#aiMessages .ai-edit-plan input:not([type=checkbox]),#aiMessages .ai-edit-plan textarea{min-height:44px;font-size:16px}
 #aiToggleBtn{display:none!important}
 #aiAssistantContainer{z-index:2100}
 #aiChatWindow{position:fixed;left:0;right:0;top:var(--ai-viewport-top,0px);bottom:auto;width:100%!important;max-width:100%!important;height:var(--ai-viewport-height,100dvh);max-height:var(--ai-viewport-height,100dvh)!important;border:0;border-radius:0;box-shadow:none;padding-top:env(safe-area-inset-top);padding-bottom:env(safe-area-inset-bottom)}
 #aiChatWindow>div:first-child{padding:12px 16px!important;min-height:56px}
 #aiChatWindow>div:first-child button{min-width:44px;min-height:44px}
 #aiChatWindow>div:last-child{padding:10px 12px!important;gap:6px!important}
 #aiInput{padding:10px!important;min-height:44px!important;max-height:100px!important}
 #aiChatWindow>div:last-child button{width:44px;height:44px!important;padding:0!important;font-size:20px}
 #aiMessages{padding:12px}
 body.ai-mobile-open{overflow:hidden}
 .bottom-nav-item{min-width:0;flex:1 1 0}
 #assistantNav .nav-label{font-size:10px}
}
/* Only the selected panel scrolls; preferences never squeeze the conversation. */
#aiTools{flex:0 0 auto;max-height:none;overflow:hidden;padding:12px 16px 0}
#aiTools .ai-toolbar{gap:8px}
#aiTools .ai-tabs{display:flex;gap:4px;margin-top:8px}
#aiTools .ai-tabs button{flex:1;min-width:0;border:0;border-bottom:2px solid transparent;border-radius:8px 8px 0 0;background:transparent;color:var(--muted);margin:0;padding:10px 6px}
#aiTools .ai-tabs button[aria-pressed=true]{color:var(--text);border-bottom-color:var(--accent);background:color-mix(in srgb,var(--accent) 10%,transparent)}
#aiArticleCount{margin-left:4px}
#aiTools > details{display:none;margin:0;padding:16px 0;overflow:auto;min-height:0;overscroll-behavior:contain}
#aiTools > details > summary{display:none}
#aiChatWindow[data-ai-panel=settings] #aiPrivacy,#aiChatWindow[data-ai-panel=articles] #aiArticlePicker{display:block;flex:1}
#aiChatWindow:is([data-ai-panel=settings],[data-ai-panel=articles]) #aiTools{display:flex;flex-direction:column;flex:1;min-height:0}
#aiChatWindow:is([data-ai-panel=settings],[data-ai-panel=articles]) #aiTools > :is(.ai-toolbar,.ai-tabs){flex-shrink:0}
#aiChatWindow:is([data-ai-panel=settings],[data-ai-panel=articles]) #aiMessages,
#aiChatWindow:is([data-ai-panel=settings],[data-ai-panel=articles]) > div:last-child{display:none!important}
#aiTools #aiPrivacy label{font-size:14px;line-height:1.6;font-weight:400;margin:0 0 18px}
#aiTools #aiPrivacy label:first-of-type{display:grid;grid-template-columns:20px minmax(0,1fr);gap:10px;align-items:start}
#aiTools #aiPrivacy input[type=checkbox]{margin:4px 0 0;accent-color:var(--accent)}
#aiTools #aiPrivacy small{margin:0 0 20px;line-height:1.6}
#aiMessages{padding:18px 16px;gap:16px}
#aiMessages .ai-message{font-weight:400;line-height:1.6;font-size:14px;animation:none}
#aiMessages .ai-message.assistant{background:transparent;padding:0 2px;width:100%;white-space:normal}
#aiMessages .ai-message.user{max-width:88%;padding:10px 14px;border-radius:16px 16px 4px 16px}
#aiMessages .ai-message p{margin:0 0 10px}
#aiMessages .ai-message p:last-child{margin-bottom:0}
#aiMessages .ai-message ul{margin:8px 0 14px;padding-left:22px}
#aiMessages .ai-message li{margin:4px 0}
#aiMessages pre{max-width:100%;overflow:auto;background:var(--bg);border:1px solid var(--border);padding:12px;border-radius:10px;white-space:pre-wrap;overflow-wrap:anywhere}
#aiMessages code{font-family:monospace;font-size:.93em}
#aiMessages section{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:12px}
@media(min-width:901px){#aiChatWindow{width:520px;max-width:calc(100vw - 40px);height:740px}}
@media(max-width:900px){#aiTools{padding:8px 12px 0}#aiMessages{padding:16px 12px}#aiTools .ai-tabs button{min-height:44px}}