:root{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC",sans-serif;color:#26332e;background:#f5f6f3;font-size:18px;line-height:1.6;--green:#245b48;--line:#e0e5df;--muted:#758178;--paper:#fff;--soft:#edf2eb;--shadow:0 12px 36px #26382b12;color-scheme:light}*{box-sizing:border-box}body{margin:0}button,input,textarea{font:inherit}button{cursor:pointer;color:inherit}button:disabled{cursor:default;opacity:.4}button,a,input,textarea,summary{outline-offset:4px}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid #81af96}button{border:0;background:none}a{color:inherit;text-decoration:none}h1,h2,h3,p{margin:0}h1{font-size:1.5rem;font-weight:650;letter-spacing:-.03em}h2{font-size:1.12rem;line-height:1.45;font-weight:600}h3{font-size:1.05rem}button svg{width:22px;height:22px;display:block}input,textarea{min-width:0;border:1px solid var(--line);border-radius:12px;background:white;padding:12px 14px;color:inherit}input::placeholder,textarea::placeholder{color:#8b958d}textarea{resize:none;line-height:1.65}.muted{font-size:.84rem;color:var(--muted)}.error,.danger{color:#ae403b}[hidden]{display:none!important}.topbar{height:86px;padding:0 44px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);position:relative;background:#f5f6f3;z-index:5}.brand{display:flex;align-items:center;gap:13px;font-weight:650;letter-spacing:-.02em}.brand-symbol,.brand-mark{display:grid;place-items:center;color:#f3f7ed;background:var(--green);border-radius:12px;font-size:29px;width:43px;height:43px;line-height:1}.device-switch{display:flex;align-items:center;gap:24px;font-size:.88rem;border:1px solid var(--line);background:#fff;padding:9px 15px;border-radius:12px;min-height:46px}.device-menu{position:absolute;right:44px;top:74px;min-width:230px;padding:8px;box-shadow:var(--shadow)}.device-menu button{display:flex;align-items:center;justify-content:space-between;padding:12px;width:100%;border-radius:8px;text-align:left}.device-menu button:hover{background:var(--soft)}.panel{background:var(--paper);border:1px solid var(--line);border-radius:18px}.chat-layout{display:grid;grid-template-columns:300px minmax(0,1fr);height:calc(100dvh - 86px - 83px);max-width:1500px;margin:auto}.thread-panel{padding:30px 20px;border-right:1px solid var(--line);overflow-y:auto}.section-heading,.page-heading{display:flex;align-items:center;justify-content:space-between;gap:12px}.section-heading{margin-bottom:22px}.icon-button{min-width:44px;min-height:44px;display:inline-flex;align-items:center;justify-content:center;border-radius:11px;flex-shrink:0}.icon-button:hover{background:#26382b08}.search{display:flex;align-items:center;gap:8px;border:1px solid var(--line);border-radius:11px;padding:0 12px;margin-bottom:24px;background:#fff;color:var(--muted)}.search span{font-size:26px}.search input{border:0;background:transparent;padding:10px 0;width:100%;font-size:.88rem;outline:none}.search:focus-within{outline:2px solid #81af96}.thread{width:100%;padding:15px 14px;text-align:left;border-radius:12px;margin:3px 0;display:block}.thread:hover{background:#edf0ea}.thread.selected{background:#e4ece1;color:#214f3d}.thread-title{font-size:.92rem;font-weight:550;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;overflow-wrap:anywhere}.thread-meta{display:flex;gap:10px;margin-top:7px;align-items:center;font-size:.72rem;color:var(--muted)}.dot{width:7px;height:7px;border-radius:50%;background:#acb3ac;display:inline-block;flex-shrink:0}.dot.online{background:#508065}.conversation{display:flex;flex-direction:column;min-width:0;min-height:0;background:#fbfcfa}.conversation-heading{padding:24px 35px;display:flex;align-items:center;gap:8px;border-bottom:1px solid var(--line);min-height:94px}.conversation-label{flex:1;min-width:0}.conversation-label h2{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.messages{flex:1;min-height:0;overflow-y:auto;padding:32px max(30px,calc((100% - 780px)/2));scrollbar-width:thin}.empty{height:100%;min-height:180px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;color:#849086;font-size:.94rem}.empty-symbol{font-size:42px;line-height:1;width:78px;height:78px;border:1px solid #e2e8dc;border-radius:23px;display:grid;place-items:center;background:#f0f4ec;color:#7a9278}.message{margin-bottom:28px;overflow-wrap:anywhere}.message .role{color:var(--muted);font-size:.74rem;margin-bottom:10px;display:flex;gap:12px;align-items:center}.message.user{margin-left:12%;background:#eaf0e6;border-radius:18px 18px 4px 18px;padding:16px 20px}.message.user .role{color:#607a60}.message-text{white-space:pre-wrap;font-size:.96rem;line-height:1.85}.message img{max-width:100%;max-height:340px;border-radius:10px}.message details{background:#f1f3ee;border:1px solid var(--line);border-radius:12px;margin:10px 0;padding:12px;font-size:.85rem}.message summary{cursor:pointer;overflow-wrap:anywhere}.message pre,.request pre{white-space:pre-wrap;overflow-wrap:anywhere;font-size:.78rem;max-height:380px;overflow:auto;font-family:ui-monospace,SFMono-Regular,Consolas,monospace}.composer{margin:0 max(26px,calc((100% - 800px)/2)) 26px;padding:12px 14px 10px;background:white;border:1px solid #d9e1d6;border-radius:18px;box-shadow:0 3px 18px #213d2605;flex-shrink:0}.composer:focus-within{border-color:#93b49d}.composer textarea{border:0;outline:none;width:100%;padding:6px 4px;max-height:170px;background:transparent}.composer-actions{display:flex;align-items:center;justify-content:space-between}.send-button{background:var(--green);color:white;width:44px;height:44px;border-radius:12px;display:grid;place-items:center}.navigation{height:83px;display:flex;justify-content:center;align-items:center;gap:10px;background:#f5f6f3;border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom);position:fixed;bottom:0;left:0;right:0;z-index:6}.nav-button{display:flex;align-items:center;justify-content:center;gap:10px;border-radius:12px;font-size:.88rem;min-width:140px;min-height:48px;color:var(--muted);position:relative}.nav-button.active{background:#e7ede2;color:var(--green)}.nav-button .badge{font-size:.65rem;min-width:19px;height:19px;display:grid;place-items:center;background:var(--green);color:white;border-radius:8px}.page-view{max-width:850px;margin:0 auto;padding:36px 28px 120px}.page-heading{margin-bottom:28px}.count{background:#e4ece1;color:var(--green);font-size:.85rem;padding:2px 11px;border-radius:10px}.request{padding:24px;margin-bottom:18px}.request-header{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}.request-heading{font-size:1.05rem;font-weight:600}.request p{margin-bottom:12px;white-space:pre-wrap;overflow-wrap:anywhere}.request-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}.primary,.secondary{min-height:46px;padding:10px 20px;border-radius:11px;font-size:.9rem}.primary{background:var(--green);color:white}.secondary{border:1px solid #d9e0d6;background:#f9fbf7}.quiet{font-size:.88rem;padding:10px 12px;border-radius:10px}.quiet:hover{background:var(--soft)}.request details{margin:14px 0;padding:12px;border:1px solid var(--line);border-radius:10px}.request summary{cursor:pointer}.question{margin-top:18px}.question legend{margin-bottom:10px;font-size:.95rem}.question fieldset,fieldset.question{border:0;padding:0}.option{display:flex;align-items:flex-start;gap:10px;padding:12px;border:1px solid var(--line);border-radius:10px;margin:8px 0;cursor:pointer}.option input{margin-top:7px;accent-color:var(--green)}.option-description{display:block;color:var(--muted);font-size:.8rem}.question textarea{width:100%;font-size:.94rem}.devices-list{display:grid;gap:16px;margin-bottom:30px}.device-card{padding:24px;display:flex;align-items:flex-start;gap:18px}.device-icon{width:54px;height:54px;background:#edf2e9;border-radius:15px;color:var(--green);display:grid;place-items:center;flex-shrink:0}.device-icon svg{width:27px;height:27px}.device-info{flex:1;min-width:0}.device-title{display:flex;align-items:center;justify-content:space-between;margin-bottom:7px;gap:10px}.device-title h2{font-size:1.1rem}.device-info p{font-size:.85rem;color:var(--muted);overflow-wrap:anywhere}.settings{padding:22px 24px;margin-bottom:18px}.settings h2{margin-bottom:16px}.settings p{font-size:.85rem;color:var(--muted);margin-top:12px}.settings summary{cursor:pointer;font-weight:550}.login{max-width:390px;margin:12dvh auto;padding:32px 24px}.brand-mark{width:64px;height:64px;font-size:42px;border-radius:19px;margin-bottom:24px}.login h1{margin-bottom:38px;font-size:1.7rem}.login label{display:block;font-size:.9rem;margin-bottom:10px}.login input{width:100%;margin-bottom:20px}.login .primary{width:100%}.login .error{font-size:.88rem;margin-top:12px}.toast{position:fixed;bottom:100px;left:50%;transform:translateX(-50%);padding:12px 20px;max-width:min(90vw,560px);width:max-content;background:#273b30;color:#fff;font-size:.86rem;border-radius:12px;box-shadow:var(--shadow);z-index:20;overflow-wrap:anywhere}.inline-panel{padding:18px 24px;margin:14px 24px 0;background:#eef3e9;border:1px solid #dbe6d3;border-radius:13px;font-size:.88rem;flex-shrink:0;max-height:35dvh;overflow:auto}.inline-panel p{margin-bottom:12px}.inline-panel .section-heading{margin-bottom:12px}.project-options{display:flex;gap:10px;flex-wrap:wrap}.attachments{display:flex;gap:10px;overflow-x:auto}.attachment{position:relative;padding:8px 0}.attachment img{width:76px;height:76px;border-radius:9px;object-fit:cover}.attachment button{position:absolute;right:-3px;top:1px;background:#fff;border:1px solid var(--line);border-radius:50%;min-width:30px;min-height:30px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.mobile-only{display:none}.loading{padding:20px;color:var(--muted);font-size:.88rem}.status-chip{display:inline-flex;align-items:center;gap:7px;font-size:.78rem;white-space:nowrap}.blank-note{padding:30px 12px;color:var(--muted);font-size:.9rem}.check-line{display:flex;gap:10px;align-items:flex-start;margin:14px 0}.check-line input{margin-top:7px;accent-color:var(--green)}
@media(min-width:1500px){.chat-layout{border-left:1px solid var(--line);border-right:1px solid var(--line)}}
@media(max-width:700px){.topbar{height:72px;padding:0 18px}.brand{gap:9px;font-size:.96rem}.brand-symbol{width:34px;height:34px;border-radius:10px;font-size:25px}.device-switch{gap:16px;padding:7px 12px;min-height:42px;font-size:.8rem}.device-menu{right:16px;top:63px}.chat-layout{display:block;height:calc(100dvh - 72px - 76px - env(safe-area-inset-bottom))}.thread-panel{height:100%;border:0;padding:24px 18px}.conversation{height:100%;display:none}.chat-layout.has-thread .thread-panel{display:none}.chat-layout.has-thread .conversation{display:flex}.mobile-only{display:inline-flex}.conversation-heading{padding:12px 12px 12px 8px;min-height:77px}.conversation-label h2{font-size:.97rem}.conversation-label .muted{font-size:.72rem}.conversation-heading .icon-button{min-width:38px}.messages{padding:22px 20px}.message{margin-bottom:24px}.message.user{margin-left:8%;padding:14px 16px}.message-text{font-size:.94rem}.composer{margin:0 12px 12px;padding:9px 10px 8px;border-radius:16px}.composer textarea{font-size:1rem}.navigation{height:calc(76px + env(safe-area-inset-bottom));gap:0;padding-top:5px}.nav-button{flex:1;min-width:0;min-height:58px;flex-direction:column;gap:2px;border-radius:0;font-size:.7rem}.nav-button.active{background:transparent}.nav-button svg{width:23px;height:23px}.nav-button .badge{position:absolute;top:2px;left:calc(50% + 8px)}.page-view{padding:26px 18px 130px}.request{padding:20px 18px}.request-header{align-items:flex-start}.request-heading{font-size:1rem}.device-card{padding:20px 18px;gap:14px}.device-title{align-items:flex-start}.device-title .status-chip{font-size:.72rem}.settings{padding:20px 18px}.inline-panel{margin:10px 12px 0;padding:16px}.toast{bottom:calc(92px + env(safe-area-inset-bottom))}.thread-title{font-size:1rem}.thread-meta{font-size:.77rem}.thread{padding:17px 14px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;animation:none!important;transition:none!important}}
