:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;color:#1f2933;letter-spacing:0;background:#f4f6f8;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}body{min-width:320px;margin:0}button,textarea{font:inherit}button{color:#1f2933;cursor:pointer;background:#fff;border:1px solid #c9d2dc;border-radius:8px;justify-content:center;align-items:center;gap:8px;min-height:40px;padding:0 12px;display:inline-flex}button:hover{border-color:#788b9b}button:focus-visible,textarea:focus-visible{outline-offset:2px;outline:3px solid #79b8ff}button:disabled{cursor:not-allowed;opacity:.55}.auth-shell{background:linear-gradient(#fff9,#f4f6f8eb),#f4f6f8;place-items:center;min-height:100vh;padding:24px;display:grid}.auth-panel{background:#fff;border:1px solid #d8e0e8;border-radius:8px;width:min(420px,100%);padding:28px;box-shadow:0 18px 45px #1f293314}.auth-panel h1{margin:0 0 8px;font-size:24px}.auth-panel p{color:#52616f;margin:0 0 24px}.auth-panel button{color:#fff;background:#1f6f8b;border-color:#1f6f8b;width:100%}.alert{color:#842029;background:#fff2f0;border:1px solid #e5a3a3;border-radius:8px;margin-bottom:16px;padding:10px 12px}.alert.inline{margin:10px 16px 0}.app-shell{grid-template-columns:300px minmax(0,1fr);height:100vh;display:grid;overflow:hidden}.sidebar{color:#f7fafc;background:#20262d;border-right:1px solid #111820;grid-template-rows:auto auto minmax(0,1fr) auto;min-width:0;display:grid}.brand{border-bottom:1px solid #303943;align-items:center;gap:10px;height:56px;padding:0 16px;font-weight:700;display:flex}.new-button{color:#17212b;background:#f4f6f8;border-color:#f4f6f8;margin:12px}.thread-list{padding:0 8px 12px;overflow:auto}.thread{color:#dde5ed;text-align:left;background:0 0;border-color:#0000;grid-template-rows:auto auto;justify-items:start;gap:4px;width:100%;min-height:58px;margin-bottom:4px;display:grid}.thread span{text-overflow:ellipsis;white-space:nowrap;max-width:100%;overflow:hidden}.thread small{color:#9fb0bf;font-size:12px}.thread.active{background:#31414f;border-color:#476274}.side-actions{border-top:1px solid #303943;grid-template-columns:repeat(3,1fr);gap:8px;padding:12px;display:grid}.side-actions button{color:#f7fafc;background:#2a333c;border-color:#3b4650;padding:0}.chat-pane{background:#f7f8fa;grid-template-rows:auto auto minmax(0,1fr) auto;min-width:0;display:grid}.chat-header{background:#fff;border-bottom:1px solid #dce4ec;justify-content:space-between;align-items:center;gap:12px;min-height:64px;padding:12px 18px;display:flex}.chat-header h1{text-overflow:ellipsis;white-space:nowrap;max-width:min(720px,65vw);margin:0;font-size:18px;line-height:1.3;overflow:hidden}.status{color:#52616f;align-items:center;gap:6px;margin-top:4px;font-size:13px;display:inline-flex}.header-actions{gap:8px;display:flex}.header-actions button{width:40px;padding:0}.messages{padding:18px;overflow:auto}.bubble{background:#fff;border:1px solid #dbe4eb;border-radius:8px;max-width:820px;margin:0 auto 14px;padding:14px 16px}.bubble.user{background:#eef8f4;border-color:#c9e7da}.bubble.assistant{background:#fff}.bubble .role{color:#52616f;margin-bottom:6px;font-size:12px;font-weight:700}.bubble p{white-space:pre-wrap;overflow-wrap:anywhere;margin:0;line-height:1.62}.composer{background:#fff;border-top:1px solid #dce4ec;grid-template-columns:minmax(0,1fr) 48px;gap:10px;padding:14px 18px 18px;display:grid}.composer textarea{resize:none;border:1px solid #c9d2dc;border-radius:8px;min-height:52px;max-height:180px;padding:12px;line-height:1.5}.composer button{color:#fff;background:#1f6f8b;border-color:#1f6f8b;width:48px;min-height:52px;padding:0}.modal-header{border-bottom:1px solid #dce4ec;justify-content:space-between;align-items:center;gap:12px;height:52px;padding:0 14px;display:flex}.account-panel{z-index:30;background:#fff;border:1px solid #c9d2dc;border-radius:8px;width:min(420px,100vw - 48px);position:fixed;top:24px;right:24px;box-shadow:0 24px 80px #11182733}.account-panel>p,.account-panel>button,.passkey-list{margin:14px}.passkey-row{border-top:1px solid #edf1f4;justify-content:space-between;align-items:center;gap:12px;min-height:44px;display:flex}@media (width<=760px){.app-shell{grid-template-rows:42vh 58vh;grid-template-columns:1fr;height:auto;min-height:100vh;overflow:visible}.sidebar{min-height:0}.chat-pane{min-height:58vh}.chat-header h1{max-width:58vw}}