:root{--ink:#243447;--muted:#8a99a8;--blue:#3390ec;--line:#e9edf1;--bg:#dbe8e9;--green:#3390ec;--outgoing:#e3ffc9}*{box-sizing:border-box}html,body{width:100%;height:100%;margin:0;overflow:hidden}body{background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Microsoft YaHei,sans-serif;font-size:14px}button,input,textarea,select{font:inherit}button{cursor:pointer;color:var(--ink);background:0 0;border:0;border-radius:8px;padding:11px 16px;transition:background .15s}button:hover{background:#edf4fa}button:disabled{opacity:.45;cursor:default}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:2px solid var(--blue);outline-offset:2px}input,textarea,select{color:var(--ink)}a{color:var(--blue);text-decoration:none}.primary{background:var(--blue);color:#fff;border:0;border-radius:10px;padding:13px 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