: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) 32px;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;overflow:hidden}.delete-button{opacity:0;width:28px;height:28px;color:var(--muted);background:0 0;border:0;border-radius:5px;place-items:center;padding:0;display:grid}.conversation-row:hover .delete-button,.delete-button:focus-visible{opacity:1}.delete-button:hover{color:var(--danger);background:#3a2825}.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% - 410px) 24px;overflow:hidden auto}.welcome-state,.center-state{flex-direction:column;justify-content:center;align-items:center;min-height:100%;display:flex}.welcome-icon{background:#1b211c;border:1px solid #425047;border-radius:50%;place-items:center;width:62px;height:62px;display:grid}.welcome-state h1{margin:22px 0 0;font-family:Georgia,serif;font-size:clamp(26px,4vw,40px);font-weight:400}.center-state{color:var(--muted);gap:10px;font-size:14px}.loader{border:2px solid var(--line);border-top-color:var(--green);border-radius:50%;width:20px;height:20px;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.message{max-width:760px;margin:0 auto 34px;animation:.18s ease-out both reveal}@keyframes reveal{0%{opacity:0;transform:translateY(5px)}}.message-user{background:#202a22;border:1px solid #3b4940;border-radius:8px 8px 2px;width:fit-content;max-width:min(680px,88%);margin-right:0;padding:12px 15px}.message-label{color:var(--green-strong);text-transform:uppercase;margin-bottom:7px;font-size:11px;font-weight:700}.message-user .message-label{color:var(--coral)}.message-content{color:#e0e4df;white-space:pre-wrap;overflow-wrap:anywhere;font-family:Georgia,serif;font-size:16px;line-height:1.65}.typing-dots{gap:5px;padding:8px 0;display:flex}.typing-dots span{background:var(--green);border-radius:50%;width:6px;height:6px;animation:1.2s infinite pulse}.typing-dots span:nth-child(2){animation-delay:.15s}.typing-dots span:nth-child(3){animation-delay:.3s}@keyframes pulse{0%,70%,to{opacity:.25;transform:translateY(0)}35%{opacity:1;transform:translateY(-3px)}}.composer-region{background:linear-gradient(transparent, var(--coal-950) 28%);padding:10px max(20px,50% - 410px) 22px}.chat-error{max-width:820px;color:var(--danger);margin:0 auto 8px;font-size:13px}.composer{background:#1d211e;border:1px solid #444d46;border-radius:8px;grid-template-columns:minmax(0,1fr) 42px;align-items:end;gap:8px;max-width:820px;margin:auto;padding:9px 9px 9px 16px;display:grid;box-shadow:0 16px 40px #0000004d}.composer:focus-within{border-color:var(--green)}.composer textarea{resize:vertical;width:100%;min-height:38px;max-height:160px;color:var(--text);background:0 0;border:0;outline:0;padding:8px 0;line-height:1.45}.composer textarea::placeholder{color:#737d75}.send-button{color:#172019;background:var(--green);border:0;border-radius:6px;place-items:center;width:42px;height:42px;padding:0;display:grid}.send-button:hover:not(:disabled){background:var(--green-strong)}.send-button:disabled{cursor:not-allowed;opacity:.35}.login-shell{background-color:var(--coal-950);background-image:linear-gradient(90deg,#8caf910d 1px,#0000 1px),linear-gradient(#8caf910d 1px,#0000 1px);background-size:32px 32px;place-items:center;min-height:100dvh;padding:24px;display:grid}.login-panel{border:1px solid var(--line);background:#171a18f5;border-radius:8px;width:min(100%,390px);padding:42px 38px;box-shadow:0 24px 80px #0000005c}.brand-mark{background:#202821;border:1px solid #425047;border-radius:50%;place-items:center;width:52px;height:52px;margin-bottom:24px;display:grid}.eyebrow{color:var(--coral);text-transform:uppercase;margin:0 0 7px;font-size:11px;font-weight:700}.login-panel h1{margin:0;font-family:Georgia,serif;font-size:36px;font-weight:400}.login-subtitle{color:var(--muted);margin:10px 0 28px;line-height:1.5}.oauth-button{width:100%;height:46px;color:var(--text);background:#252a26;border:1px solid #4b554d;border-radius:6px;justify-content:center;align-items:center;gap:11px;display:flex}.oauth-button:hover:not(:disabled){border-color:var(--green);background:#2c332e}.oauth-button:disabled{cursor:not-allowed;opacity:.45}.google-g{color:var(--coral);font-family:Georgia,serif;font-size:18px;font-weight:700}.config-note{color:var(--muted);align-items:center;gap:7px;margin:18px 0 0;font-size:12px;display:flex}.error-banner{color:#ffc1b5;background:#34221f;border:1px solid #70433b;border-radius:6px;padding:10px 12px;font-size:13px}.mobile-only,.sidebar-scrim{display:none}@media (max-width:760px){.app-shell{grid-template-columns:1fr}.mobile-only{display:grid}.sidebar{width:min(86vw,310px);transition:transform .18s;position:fixed;inset:0 auto 0 0;transform:translate(-105%);box-shadow:20px 0 60px #00000073}.sidebar-open{transform:translate(0)}.sidebar-scrim{z-index:15;background:#00000094;border:0;display:block;position:fixed;inset:0}.chat-header{padding:0 12px}.model-control select{width:145px}.messages{padding:28px 16px 18px}.composer-region{padding:10px 12px 14px}.message-content{font-size:15px}.welcome-state h1{text-align:center;font-size:28px}.login-panel{padding:34px 26px}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important}}