@import "https://fonts.googleapis.com/css2?family=Rubik:wght@300;400;500;700&display=swap";.sidebar{box-sizing:border-box;background:#fff;border-right:1px solid #e0ded6;flex-direction:column;width:260px;padding:12px 8px;display:flex;position:fixed;top:0;bottom:0;left:0}.sidebar-offset{padding-left:260px}.new-chat-btn{cursor:pointer;text-align:left;background:#fff;border:1px solid #d6d3c9;border-radius:8px;margin-bottom:16px;padding:8px 12px;font-size:14px}.sidebar-section-title{color:#8a877d;padding:0 8px 6px;font-size:12px}.conversation-list{flex:1;margin:0;padding:0;list-style:none;overflow-y:auto}.conversation-item{cursor:pointer;white-space:nowrap;text-overflow:ellipsis;border-radius:6px;padding:8px;font-size:14px;overflow:hidden}.conversation-item.active{background:#e3e0d5;font-weight:500}.conversation-owner{color:#8a877d;text-overflow:ellipsis;font-size:11px;font-weight:400;display:block;overflow:hidden}.sidebar-user{border-top:1px solid #e0ded6;justify-content:space-between;align-items:center;gap:8px;padding:10px 8px 2px;font-size:13px;display:flex}.sidebar-user-name{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.auth-signout{color:#8a877d;flex-shrink:0;text-decoration:none}.auth-signout:hover{color:#3d3929;text-decoration:underline}.auth-screen{place-items:center;height:100vh;font-size:14px;display:grid}:root{--pba-teal:#02625b;--pba-teal-dark:#014a45;--pba-teal-light:#e6f0ef;--pba-green:#4cb963;--pba-green-dark:#3fa354;--pba-navy:#04151f;--pba-text:#292929;--pba-muted:#6b7a80;--pba-border:#d2dce6;--pba-bg:#f5f7f8;--pba-white:#fff;--pba-radius:2px;--chat-width:90%}.chat-container{background:var(--pba-bg);height:100vh;color:var(--pba-text);flex-direction:column;font-family:Rubik,Arial,Helvetica,sans-serif;font-weight:300;display:flex;position:relative}.chat-header{background:var(--pba-white);border-bottom:3px solid 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input{accent-color:var(--pba-teal);cursor:pointer}.chat-pending-files{flex-wrap:wrap;gap:6px;margin-bottom:8px;display:flex}.chat-pending-file{background:var(--pba-teal-light);max-width:220px;color:var(--pba-teal-dark);border-radius:var(--pba-radius);border:1px solid #0000;align-items:center;gap:6px;padding:4px 4px 4px 10px;font-size:13px;font-weight:400;display:inline-flex}.chat-pending-file.uploading{opacity:.7}.chat-pending-file.error{color:#a12b2b;background:#fdecec;border-color:#f2c2c2}.chat-pending-name{white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.chat-pending-file button{color:inherit;cursor:pointer;border-radius:var(--pba-radius);background:0 0;border:none;padding:0 4px;font-size:16px;line-height:1}.chat-pending-file button:hover{background:#00000014}.chat-pending-progress{font-variant-numeric:tabular-nums;color:var(--pba-muted);font-size:12px}.chat-spinner{border:2px solid 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