:root{color-scheme:light dark;--bg:#f3f5f7;--card:#fff;--fg:#18222c;--muted:#617080;--accent:#2276d2;--out:#dcf5df;--line:#dbe2e9;font:15px/1.5 system-ui,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--fg)}button,input,textarea,select{font:inherit}button{cursor:pointer;border:1px solid var(--line);border-radius:9px;padding:9px 13px;background:var(--card);color:var(--fg)}button:hover{filter:brightness(.96)}button:disabled{opacity:.5;cursor:default}a{color:var(--accent)}[hidden]{display:none!important}#app{max-width:900px;margin:auto;display:flex;flex-direction:column;height:100dvh}header{display:flex;gap:12px;align-items:center;padding:12px;background:var(--card);border-bottom:1px solid var(--line)}header>div{flex:1;min-width:0}h1{font-size:18px;margin:0;overflow-wrap:anywhere}#account{font-size:12px;color:var(--muted);margin:3px 0 0}#notice{font-size:13px;margin:0;padding:5px 14px;overflow-wrap:anywhere}#notice:empty{display:none}#retry{align-self:center;margin:5px}#chat{flex:1;overflow:auto;padding:14px;scroll-behavior:auto}#coverage{font-size:12px;text-align:center;color:var(--muted)}#messages{display:flex;flex-direction:column;gap:10px}.chat-message{padding:9px 12px;background:var(--card);border-radius:12px;max-width:88%;align-self:flex-start;overflow-wrap:anywhere;min-width:100px}.chat-message.out{background:var(--out);align-self:flex-end}.chat-message-text{white-space:pre-wrap}.message-time,.muted{font-size:11px;color:var(--muted)}#composer{padding:10px 14px calc(10px + env(safe-area-inset-bottom));border-top:1px solid var(--line);background:var(--card)}#composer>label{position:absolute;width:1px;height:1px;overflow:hidden}textarea{width:100%;resize:vertical;max-height:220px;min-height:70px;border:1px solid var(--line);border-radius:10px;background:var(--bg);color:var(--fg);padding:10px}.compose-actions{display:flex;gap:8px;justify-content:flex-end;margin-top:6px}#send{background:var(--accent);color:white;border:0}#login{max-width:440px;margin:12vh auto;padding:24px;background:var(--card);border-radius:12px}#login-link{display:block;margin-top:15px}#dialogues{padding:12px;background:var(--card);max-height:45vh;overflow:auto}#search{display:block;width:100%;padding:8px;border:1px solid var(--line);border-radius:8px}#dialogue-list{display:flex;flex-direction:column;gap:5px;margin-top:10px}.operation{margin:10px 0 0 auto;max-width:90%;padding:8px 12px;border:1px solid var(--line);border-radius:9px;font-size:12px;white-space:pre-wrap;overflow-wrap:anywhere}#older{display:block;margin:0 auto 12px}@media(prefers-color-scheme:dark){:root{--bg:#17212b;--card:#222e3b;--fg:#edf2f7;--muted:#a3b1c0;--accent:#3a8be3;--out:#244c40;--line:#3b4a59}}
#templates{flex:1;overflow:auto;padding:18px}.template-heading{display:flex;justify-content:space-between;align-items:center;gap:10px}.template-card{background:var(--card);padding:12px;border-radius:10px;margin-bottom:10px;border:1px solid var(--line)}.template-card p{white-space:pre-wrap;margin:7px 0}.template-actions{display:flex;gap:6px;flex-wrap:wrap}#template-form{padding:16px;background:var(--card);border-radius:12px;margin-top:20px}#template-form label{display:block;margin:10px 0}#template-form input:not([type=checkbox]){display:block;width:100%;padding:8px;border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--fg)}#insert-template{max-width:55%;border:1px solid var(--line);border-radius:8px;padding:6px;background:var(--card);color:var(--fg)}
.file-picker{position:relative;border:1px solid var(--line);border-radius:8px;padding:8px;cursor:pointer}.file-picker input{position:absolute;inset:0;width:100%;opacity:0;cursor:pointer}.attachment{display:flex;gap:8px;align-items:center;margin:5px 0;font-size:12px}.attachment img{width:48px;height:48px;object-fit:contain}.dragging{outline:3px dashed var(--accent);outline-offset:-4px}#attachments{max-height:180px;overflow:auto}