:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media(prefers-color-scheme:light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}*,*:before,*:after{box-sizing:border-box}body{margin:0;font-family:system-ui,Arial,sans-serif;background:#f0f2f5}.app-shell{display:flex;height:100vh;overflow:hidden}.sessions-sidebar{width:260px;min-width:260px;background:#1e1e2e;color:#cdd6f4;display:flex;flex-direction:column;transition:width .2s,min-width .2s;overflow:hidden}.sessions-sidebar.closed{width:0;min-width:0}.sidebar-header{display:flex;align-items:center;gap:8px;padding:12px;border-bottom:1px solid #313244;flex-shrink:0}.btn-new-chat{flex:1;background:#313244;color:#cdd6f4;border:1px solid #45475a;border-radius:8px;padding:8px 10px;cursor:pointer;font-size:13px;text-align:left;white-space:nowrap}.btn-new-chat:hover:not(:disabled){background:#45475a}.btn-new-chat:disabled{opacity:.5;cursor:not-allowed}.btn-toggle-sidebar{background:transparent;border:none;color:#6c7086;cursor:pointer;font-size:14px;padding:4px 6px;border-radius:6px;flex-shrink:0}.btn-toggle-sidebar:hover{color:#cdd6f4;background:#313244}.sessions-list{list-style:none;margin:0;padding:8px 0;overflow-y:auto;flex:1}.session-empty{padding:12px 16px;color:#6c7086;font-size:13px}.session-item{position:relative;padding:10px 16px 10px 12px;cursor:pointer;border-left:3px solid transparent;transition:background .15s}.session-item:hover{background:#313244}.session-item.active{background:#313244;border-left-color:#89b4fa}.session-title{display:block;font-size:13px;color:#cdd6f4;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:180px}.session-meta{display:block;font-size:11px;color:#6c7086;margin-top:2px}.btn-delete-session{position:absolute;right:8px;top:50%;transform:translateY(-50%);background:transparent;border:none;color:#6c7086;cursor:pointer;font-size:12px;padding:2px 5px;border-radius:4px;opacity:0;transition:opacity .15s}.session-item:hover .btn-delete-session{opacity:1}.btn-delete-session:hover{color:#f38ba8;background:#45475a}.chat-area{flex:1;display:flex;flex-direction:column;overflow:hidden;min-width:0}.top{display:flex;align-items:center;gap:10px;padding:12px 16px;background:#fff;border-bottom:1px solid #e0e0e0;flex-shrink:0}.top h1{margin:0;font-size:18px;flex:1}.buttons{display:flex;gap:8px}.main{flex:1;display:grid;grid-template-columns:1fr 320px;gap:12px;padding:12px 16px;overflow:hidden;min-height:0}.chat{border:1px solid #ddd;border-radius:12px;padding:12px;overflow-y:auto;background:#fafafa;display:flex;flex-direction:column}.archive-banner{background:#fef3c7;border:1px solid #f59e0b;border-radius:8px;padding:8px 14px;font-size:13px;margin-bottom:10px;flex-shrink:0}.archive-banner button{background:none;border:none;color:#d97706;cursor:pointer;font-size:13px;padding:0;text-decoration:underline}.msg{display:flex;margin:8px 0}.msg.user{justify-content:flex-end}.bubble{max-width:85%;border-radius:12px;padding:10px 14px;border:1px solid #ddd;background:#fff}.msg.user .bubble{background:#eaf2ff;border-color:#c9dcff}pre{margin:0;white-space:pre-wrap;word-break:break-word;font-family:inherit;font-size:14px}.side{overflow-y:auto}.side .card{border:1px solid #ddd;border-radius:12px;padding:12px;background:#fff;margin-bottom:10px;font-size:13px}.side .card h3{margin:0 0 8px;font-size:14px}.bottom{padding:10px 16px;background:#fff;border-top:1px solid #e0e0e0;flex-shrink:0}.inputRow{display:flex;gap:8px}.archive-footer{display:flex;gap:10px}input{flex:1;padding:10px 12px;border-radius:10px;border:1px solid #ccc;font-size:14px}button{padding:10px 14px;border-radius:10px;border:1px solid #ccc;background:#fff;cursor:pointer;font-size:14px}button:hover:not(:disabled){background:#f5f5f5}button:disabled{opacity:.6;cursor:not-allowed}.error{margin-top:8px;color:#b00020;font-size:13px}.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}.chip{font-size:12px;padding:6px 10px;border-radius:999px}ul{margin:0;padding-left:16px}li{margin-bottom:6px;font-size:13px}a{color:#1a73e8}@media(max-width:900px){.main{grid-template-columns:1fr;grid-template-rows:1fr}.side{display:none}.chat{min-height:0}}.sidebar-backdrop{display:none}@media(max-width:640px){.sidebar-backdrop{display:block;position:fixed;inset:0;background:#00000073;z-index:99}}@media(max-width:640px){.sessions-sidebar{position:fixed;top:0;left:0;height:100%;z-index:100;width:280px;min-width:280px;box-shadow:4px 0 16px #0006}.sessions-sidebar.closed{width:0;min-width:0}.top{padding:10px 12px}.top h1{font-size:15px}.buttons button{padding:8px 10px;font-size:13px}.main{padding:8px;gap:8px}.bubble{max-width:95%}pre{font-size:13px}.bottom{padding:8px 10px}input{font-size:13px;padding:9px 10px}button{font-size:13px;padding:9px 12px}}