:root{--coal-950:#111311;--coal-900:#171a18;--coal-850:#1d211e;--coal-800:#252a26;--line:#343a35;--text:#edf0eb;--muted:#9da69f;--green:#8caf91;--green-strong:#a7c7ab;--coral:#ed826f;--danger:#f09a89}*{box-sizing:border-box}html,body{background:var(--coal-950);min-height:100%;color:var(--text);margin:0}body{letter-spacing:0;font-family:Aptos,Trebuchet MS,sans-serif}button,textarea,select{font:inherit;letter-spacing:0}button,select{cursor:pointer}button:focus-visible,textarea:focus-visible,select:focus-visible{outline:2px solid var(--coral);outline-offset:2px}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.app-shell{grid-template-columns:280px minmax(0,1fr);width:100%;height:100dvh;min-height:0;display:grid;overflow:hidden}.sidebar{background:var(--coal-900);border-right:1px solid var(--line);z-index:20;flex-direction:column;min-width:0;height:100%;min-height:0;padding:18px 12px 12px;display:flex;overflow:hidden}.sidebar-header{justify-content:space-between;align-items:center;padding:0 8px 18px;display:flex}.wordmark{align-items:center;gap:9px;font-family:Georgia,serif;font-size:18px;display:flex}.taurus-symbol{color:var(--green-strong);font-variant-emoji:text;font-family:DejaVu Sans,"Noto Sans Symbols 2",sans-serif;line-height:1}.wordmark .taurus-symbol{font-size:21px}.brand-mark .taurus-symbol{font-size:28px}.welcome-icon .taurus-symbol{font-size:34px}.icon-button{width:36px;height:36px;color:var(--muted);background:0 0;border:0;border-radius:6px;place-items:center;padding:0;display:grid}.icon-button:hover{color:var(--text);background:var(--coal-800)}.new-chat-button{color:#e7efe7;background:#29362c;border:1px solid #49604d;border-radius:6px;justify-content:center;align-items:center;gap:8px;width:100%;min-height:42px;display:flex}.new-chat-button:hover{border-color:var(--green);background:#324236}.conversation-list{flex:1;min-height:0;padding:18px 0;overflow-y:auto}.conversation-row{border-radius:6px;grid-template-columns:minmax(0,1fr) 30px 30px;align-items:center;display:grid}.conversation-row:hover,.conversation-row.active{background:var(--coal-800)}.conversation-row.active{box-shadow:inset 2px 0 var(--green)}.conversation-select{color:#c8cec9;text-align:left;background:0 0;border:0;align-items:center;gap:9px;min-width:0;height:40px;padding:0 8px;display:flex}.conversation-select span{white-space:nowrap;text-overflow:ellipsis;min-width:0;overflow:hidden}.row-loader{border-width:2px;flex:none;width:12px;height:12px}.row-button{opacity:.55;width:26px;height:28px;color:var(--muted);background:0 0;border:0;border-radius:5px;place-items:center;padding:0;display:grid}.conversation-row:hover .row-button,.row-button:focus-visible{opacity:1}.row-button:hover{color:var(--text);background:var(--coal-850)}.delete-button:hover{color:var(--danger);background:#3a2825}.rename-form{grid-column:1/-1;grid-template-columns:minmax(0,1fr) 26px 26px;align-items:center;gap:2px;height:40px;padding:0 6px;display:grid}.rename-form input{min-width:0;height:28px;font:inherit;border:1px solid var(--green);color:var(--text);background:var(--coal-950);border-radius:5px;padding:0 8px}.rename-form .row-button{opacity:1}.empty-list{color:#7f8881;margin:22px 10px;font-size:13px}.account-block{border-top:1px solid var(--line);grid-template-columns:36px minmax(0,1fr) 36px;align-items:center;gap:9px;padding:12px 4px 0;display:grid}.avatar{color:#152018;background:var(--green);border-radius:50%;place-items:center;width:34px;height:34px;font-weight:700;display:grid;overflow:hidden}.avatar img{object-fit:cover;width:100%;height:100%}.account-copy{flex-direction:column;gap:2px;min-width:0;display:flex}.account-copy strong,.account-copy span{white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.account-copy strong{font-size:13px;font-weight:600}.account-copy span{color:var(--muted);font-size:11px}.chat-column{background-color:var(--coal-950);background-image:radial-gradient(#2c312d .65px,#0000 .65px);background-size:18px 18px;grid-template-rows:64px minmax(0,1fr) auto;min-width:0;height:100%;min-height:0;display:grid;overflow:hidden}.chat-header{border-bottom:1px solid var(--line);background:#111311ed;align-items:center;gap:12px;padding:0 24px;display:flex}.header-title{flex-direction:column;flex:1;gap:2px;min-width:0;display:flex}.header-title span{white-space:nowrap;text-overflow:ellipsis;font-size:14px;font-weight:600;overflow:hidden}.header-title small{color:var(--muted);font-size:11px}.model-control select{border:1px solid var(--line);color:#d8ddd9;background:var(--coal-850);border-radius:6px;width:min(260px,30vw);height:36px;padding:0 34px 0 11px}.messages{overscroll-behavior:contain;scroll-behavior:smooth;min-height:0;padding:38px max(24px,50% - 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