:root{font-family:system-ui,-apple-system,"Segoe UI",sans-serif;color:#203c37;background:#f3f6f4;font-size:15px;--brand:#153c36;--accent:#d2f873;--line:#dce5e0;--muted:#657b73;--card:#fff}*{box-sizing:border-box}body{margin:0}button,input,textarea{font:inherit}button{cursor:pointer;border:1px solid var(--line);border-radius:12px;padding:10px 15px;background:var(--card);color:inherit;transition:background .12s}button:hover{background:#edf3ef}button:disabled{opacity:.55;cursor:default}.primary{background:var(--brand);color:white;border-color:var(--brand);font-weight:650}.primary:hover{background:#24554b}input,textarea{width:100%;border:1px solid var(--line);border-radius:12px;padding:12px;background:#f9fbfa;color:inherit;outline:none}input:focus,textarea:focus{border-color:#57967f;box-shadow:0 0 0 2px #57967f22}textarea{resize:vertical}label{display:block;margin:14px 0 6px}label input,label textarea{margin-top:7px}.check{display:flex;gap:10px;align-items:center}.check input{width:auto;margin:0}h1,h2,p{margin:0}h1{font-size:25px;letter-spacing:-1px}h2{font-size:19px}p{line-height:1.6}.small{font-size:12px;color:var(--muted);margin-top:18px}.brand{display:flex;gap:14px;align-items:center}.brand p{color:var(--muted);font-size:13px}.brand-icon{display:grid;place-items:center;width:48px;height:48px;border-radius:16px;background:var(--brand);color:var(--accent);font-size:33px;font-weight:800}.brand.compact{gap:11px}.brand.compact .brand-icon{width:38px;height:38px;font-size:27px;border-radius:12px}.brand.compact h1{font-size:23px}.auth-wrap{min-height:100dvh;display:grid;place-items:center;padding:28px 16px}.auth-card{max-width:460px;width:100%;background:var(--card);border:1px solid var(--line);border-radius:25px;padding:32px;box-shadow:0 20px 70px #17382b0a}.intro{margin:24px 0;color:var(--muted)}.tabs{display:flex;gap:8px}.tabs button{flex:1}.tabs .selected{background:#e3efdd;border-color:#b6d6ab}#auth-submit{margin-top:20px;width:100%}[hidden]{display:none!important}main{height:100dvh;display:grid;grid-template-columns:330px 1fr;max-width:1600px;margin:auto;border-right:1px solid var(--line);border-left:1px solid var(--line)}aside{background:var(--card);border-right:1px solid var(--line);display:flex;min-height:0;flex-direction:column}.sidebar-head{display:flex;justify-content:space-between;align-items:center;padding:23px 20px 15px}.sidebar-head button{border:none;font-size:24px;padding:5px}.network-line{padding:0 20px 16px;display:flex;gap:10px;align-items:center;font-size:12px;color:var(--muted)}.edge{padding:5px 9px;border-radius:7px;font-size:12px;font-weight:750}.edge.active{background:var(--accent);border-color:var(--accent);color:var(--brand)}.new-actions{display:flex;gap:8px;padding:0 18px}.new-actions button:first-child{flex:1}.filter-label{margin:12px 18px}.filter-label input{padding:10px 12px;margin:0}#conversation-list{flex:1;overflow:auto;padding:0 9px 15px}.conv-row{display:flex;align-items:center;gap:12px;border:0;width:100%;text-align:left;padding:14px 12px;border-radius:13px;margin:2px 0}.conv-row.current{background:#e8f2de}.avatar{display:grid;place-items:center;min-width:45px;width:45px;height:45px;border-radius:15px;background:#e9efeb;font-size:21px;font-weight:600}.conv-text{min-width:0;flex:1}.conv-text strong,.conv-text small{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.conv-text small{font-size:12px;color:var(--muted);margin-top:5px}.badge{border-radius:20px;min-width:22px;text-align:center;background:var(--brand);color:#fff;font-size:11px;padding:4px}#sidebar-footer{font-size:11px;color:var(--muted);padding:12px 20px;border-top:1px solid var(--line)}#conversation{position:relative;min-width:0;min-height:0;background:#f1f5f0}#empty-state{height:100%;display:flex;align-items:center;justify-content:center;flex-direction:column;text-align:center;gap:18px;padding:25px;color:var(--muted)}.empty-mark{width:80px;height:80px;background:#e0eadc;border-radius:25px;display:grid;place-items:center;font-size:53px;font-weight:750;color:var(--brand)}#chat-content{height:100%;display:flex;flex-direction:column;min-height:0}.chat-head{display:flex;align-items:center;gap:10px;padding:16px 24px;background:#ffffffed;border-bottom:1px solid var(--line)}.chat-heading{flex:1;min-width:0}.chat-heading h2{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chat-heading p{font-size:12px;color:var(--muted)}#back{display:none;font-size:28px;border:none;padding:0 7px}#chat-menu{font-size:26px;border:none;padding:0 9px}#search{font-size:12px}#message-list{overflow-y:auto;overscroll-behavior:contain;flex:1;padding:20px 7%;scrollbar-gutter:stable}#older{display:block;margin:0 auto 20px;padding:7px 13px;font-size:12px;border-radius:20px}.msg{display:flex;margin:7px 0}.msg.own{justify-content:flex-end}.bubble{max-width:min(78%,620px);border:1px solid #e1e8e1;background:white;padding:10px 13px 7px;border-radius:15px 15px 15px 3px;box-shadow:0 1px 2px #304a3410;min-width:95px}.own .bubble{background:#e0efce;border-color:#d7e8c3;border-radius:15px 15px 3px 15px}.sender{font-size:12px;font-weight:650;color:#407e61;margin-bottom:4px}.msg-body{white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.48}.msg.deleted .msg-body{font-style:italic;color:var(--muted)}.msg-meta{display:flex;justify-content:flex-end;gap:7px;align-items:center;font-size:10px;color:var(--muted);margin-top:4px}.msg-action{border:0;background:transparent;padding:0 3px;font-size:16px}.attachment{display:block;text-align:left;margin-top:7px;padding:9px 11px;width:100%;background:#ffffff99;font-size:12px}.reply{font-size:12px;border-left:3px solid #7ca477;padding:5px 9px;background:#ffffff55;border-radius:3px;margin-bottom:6px;overflow:hidden;max-height:45px;white-space:nowrap;text-overflow:ellipsis}.failed{color:#a7433c}.pending .bubble{opacity:.82}#compose{display:flex;align-items:flex-end;gap:10px;padding:12px 22px max(12px,env(safe-area-inset-bottom));background:#ffffffd9;border-top:1px solid var(--line)}#compose .compose-input{flex:1;margin:0}#message-input{border:none;background:transparent;max-height:160px;margin:0;resize:none;padding:11px 5px;box-shadow:none}#attach{font-size:23px;padding:6px 12px;border:none}#send{padding:11px 14px}#readonly{text-align:center;padding:18px;color:var(--muted);font-size:13px;border-top:1px solid var(--line);background:#ffffffa0}#compose-context{display:flex;align-items:center;justify-content:space-between;padding:7px 24px;background:#e4eedd;font-size:13px}#compose-context button{border:none;padding:0 6px;background:transparent;font-size:22px}#file-preview{padding:8px 24px;background:#f9fcf8;font-size:12px;display:flex;gap:8px;flex-wrap:wrap}#file-preview button{font-size:12px;padding:5px 8px}#jump-bottom{position:absolute;bottom:90px;left:50%;transform:translateX(-50%);box-shadow:0 3px 15px #173a2d20;border-radius:25px;font-size:12px}dialog{border:1px solid var(--line);border-radius:20px;padding:25px;width:min(500px,calc(100vw - 24px));max-height:90dvh;color:inherit;background:white;box-shadow:0 20px 90px #0b1c3240}dialog::backdrop{background:#0a241c70;backdrop-filter:blur(3px)}dialog h2{margin:0 0 16px}dialog p{font-size:14px;color:var(--muted);margin:10px 0}dialog .row{display:flex;gap:8px;flex-wrap:wrap;margin:12px 0}dialog .row button{flex:1}.dialog-close{margin-top:18px;width:100%;background:#f5f8f4}dialog .block-button{width:100%;text-align:left;margin:5px 0}dialog .member{padding:12px 0;border-bottom:1px solid var(--line);overflow-wrap:anywhere}dialog .member small{display:block;color:var(--muted)}.code{font-family:monospace;font-size:12px;overflow-wrap:anywhere;background:#f1f5ee;padding:12px;border-radius:12px;user-select:all}#toast{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);max-width:90vw;padding:12px 20px;border-radius:12px;background:#153c36;color:white;z-index:100;font-size:13px;box-shadow:0 4px 20px #14362740}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}@media(max-width:760px){main{grid-template-columns:1fr;border:none}#conversation{display:none}main.chat-open #sidebar{display:none}main.chat-open #conversation{display:block}#back{display:block}.chat-head{padding:13px 12px}#message-list{padding:14px 12px}.bubble{max-width:88%}#compose{padding-left:7px;padding-right:10px;gap:3px}#send{font-size:12px;padding:12px 11px}.auth-card{padding:25px}#jump-bottom{bottom:85px}}@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}