:root{--bg-primary:#262624;--bg-secondary:#232321;--bg-card:#30302e;--bg-card-hover:#333;--bg-input:#333;--text-primary:#e8e8e8;--text-secondary:#999;--text-tertiary:#666;--accent:#e8e8e8;--accent-soft:#ffffff0f;--accent-medium:#ffffff1a;--positive:#34d399;--negative:#f87171;--border:#3a3a3a;--border-light:#333;--shadow-sm:0 1px 3px #0003, 0 1px 2px #00000026;--shadow-md:0 4px 12px #0000004d, 0 1px 4px #0003;--shadow-lg:0 12px 40px #0006, 0 4px 12px #00000040;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-xl:20px}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg-primary);color:var(--text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;min-height:100vh;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,system-ui,sans-serif}#root{min-height:100vh}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:#444;border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#555}.app{min-height:100vh;display:flex}.topbar{border-bottom:1px solid var(--border);background:0 0;flex-shrink:0;justify-content:space-between;align-items:center;height:48px;padding:0 16px;display:flex}.topbar-left{align-items:center;gap:12px;display:flex}.topbar-chat-name{color:#bbb;font-size:14px;font-weight:500}.topbar-right{align-items:center;gap:8px;display:flex}.topbar-login-btn{color:var(--bg-primary);cursor:pointer;background:#fff;border:none;border-radius:999px;padding:6px 16px;font-family:inherit;font-size:13px;font-weight:500;transition:opacity .15s}.topbar-login-btn:hover{opacity:.9}.topbar-signup-btn{color:var(--text-primary);cursor:pointer;background:0 0;border:1px solid #ffffff40;border-radius:999px;padding:6px 16px;font-family:inherit;font-size:13px;font-weight:500;transition:border-color .15s}.topbar-signup-btn:hover{border-color:#ffffff80}.topbar-btn{color:var(--text-secondary);cursor:pointer;background:0 0;border:none;align-items:center;padding:6px;transition:color .15s;display:flex}.topbar-btn:hover{color:var(--text-primary)}.sidebar{background:var(--bg-secondary);border-right:1px solid var(--border);flex-direction:column;flex-shrink:0;width:260px;height:100vh;display:flex;position:sticky;top:0}.main-area{flex-direction:column;flex:1;min-width:0;display:flex}.sidebar-header{flex-shrink:0;justify-content:space-between;align-items:center;padding:14px 14px 0;display:flex}.sidebar-logo{color:var(--text-primary);letter-spacing:-.3px;font-size:15px;font-weight:700}.sidebar-collapse-btn{color:var(--text-tertiary);cursor:pointer;background:0 0;border:none;border-radius:6px;align-items:center;padding:5px;transition:background .15s,color .15s;display:flex}.sidebar-collapse-btn:hover{color:var(--text-primary)}.sidebar-content{flex:1;padding:12px;overflow-y:auto}.new-project-btn{width:100%;color:var(--text-secondary);cursor:pointer;background:0 0;border:none;border-radius:8px;align-items:center;gap:8px;margin-bottom:16px;padding:10px;font-family:inherit;font-size:13px;font-weight:500;transition:all .15s;display:flex}.new-project-btn svg{background:var(--bg-input);border-radius:50%;width:24px;height:24px;padding:4px}.new-project-btn:hover{color:var(--text-primary)}.sidebar-section{margin-bottom:24px}.sidebar-section-label{text-transform:uppercase;letter-spacing:.6px;color:var(--text-tertiary);margin-bottom:8px;padding:0 8px;font-size:11px;font-weight:600}.sidebar-item{text-align:left;width:100%;color:var(--text-secondary);cursor:pointer;background:0 0;border:none;border-radius:8px;align-items:center;margin-bottom:4px;padding:8px 10px;font-family:inherit;font-size:13px;transition:all .12s;display:flex}.sidebar-item-title{white-space:nowrap;text-overflow:ellipsis;flex:1;overflow:hidden}.sidebar-item-delete{color:var(--text-tertiary);border-radius:4px;flex-shrink:0;padding:2px;transition:color .12s;display:none}.sidebar-item:hover .sidebar-item-delete{display:flex}.sidebar-item-delete:hover{color:var(--negative)}.sidebar-item:hover{color:var(--text-primary);background:#ffffff0d}.sidebar-item.active{color:var(--text-primary);background:#ffffff14}.sidebar-login-section{padding:14px}.sidebar-login-hint{color:var(--text-tertiary);margin:0 0 10px;font-size:12px;line-height:1.4}.sidebar-login-btn{width:100%;color:var(--bg-primary);cursor:pointer;background:#fff;border:none;border-radius:999px;padding:8px 16px;font-family:inherit;font-size:13px;font-weight:500;transition:opacity .15s}.sidebar-login-btn:hover{opacity:.9}.sidebar-footer{cursor:pointer;text-align:left;background:0 0;border-bottom:none;border-left:none;border-right:none;align-items:center;gap:10px;width:100%;padding:12px 14px;font-family:inherit;transition:background .15s;display:flex}.sidebar-footer:hover{background:#ffffff0d}.profile-avatar{background:var(--text-tertiary);width:32px;height:32px;color:var(--bg-primary);letter-spacing:.3px;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:12px;font-weight:700;display:flex}.profile-info{min-width:0}.profile-name{color:var(--text-primary);font-size:13px;font-weight:600;line-height:1.3}.profile-plan{color:var(--text-tertiary);font-size:11px;line-height:1.3}.main{flex:1;min-width:0;padding:32px;overflow-y:auto}.main-inner{max-width:1280px;margin:0 auto}.query-centered{justify-content:center;align-items:center;min-height:calc(100vh - 112px);display:flex}.query-centered-content{width:100%;max-width:720px;margin:0 auto}.query-headline{color:var(--text-primary);letter-spacing:-.5px;text-align:center;margin-bottom:24px;font-size:28px;font-weight:500}.query-centered-input{width:100%}.query-layout{flex-direction:column;min-height:calc(100vh - 144px);display:flex}.query-results-area{flex:1;padding-bottom:24px}.query-bottom-bar{background:linear-gradient(to bottom, transparent, var(--bg-primary) 16px);padding:16px 0 24px;position:sticky;bottom:0}.query-bottom-inner{max-width:720px;margin:0 auto}.input-box{background:var(--bg-card);border:1.5px solid var(--border);border-radius:20px;transition:border-color .15s,box-shadow .15s;overflow:hidden}.input-box:focus-within{border-color:#4a4a4a}.input-box-textarea{width:100%;color:var(--text-primary);resize:none;background:0 0;border:none;outline:none;min-height:44px;padding:16px 20px 8px;font-family:inherit;font-size:15px;line-height:1.5}.input-box-textarea::placeholder{color:var(--text-tertiary)}.input-box-toolbar{justify-content:space-between;align-items:center;padding:6px 8px 8px;display:flex}.input-box-toolbar-left{gap:4px;display:flex}.toolbar-btn{border:1px solid var(--border);color:var(--text-secondary);cursor:pointer;background:0 0;border-radius:8px;align-items:center;gap:6px;padding:6px 12px;font-family:inherit;font-size:13px;font-weight:500;transition:all .15s;display:flex}.toolbar-btn:hover{background:var(--bg-input);color:var(--text-primary);border-color:var(--text-tertiary)}.send-btn{color:#1a1a1a;cursor:pointer;background:#fff;border:none;border-radius:50%;justify-content:center;align-items:center;width:36px;height:36px;padding:0;transition:background .15s,transform .1s;display:flex}.send-btn:hover{background:#e0e0e0}.send-btn:active{transform:scale(.94)}.send-btn:disabled{opacity:.35;cursor:not-allowed}.user-query{max-width:720px;margin:0 auto 24px}.user-query-text{max-width:100%;color:var(--text-primary);background:var(--bg-card);border:1px solid var(--border);word-wrap:break-word;border-radius:14px;padding:10px 16px;font-size:15px;font-weight:500;line-height:1.5;display:inline-block}.response-section{flex-direction:column;gap:20px;max-width:720px;margin:0 auto 24px;display:flex}.response-summary{color:var(--text-secondary);font-size:15px;line-height:1.7}.streaming-text{color:var(--text-secondary);font-size:15px;line-height:1.75}.streaming-text p{margin-bottom:16px}.streaming-text p:last-child{margin-bottom:0}.streaming-text strong{color:var(--text-primary);font-weight:600}.streaming-text ul,.streaming-text ol{margin-bottom:16px;padding-left:20px}.streaming-text li{margin-bottom:4px}.streaming-text h3,.streaming-text h4{color:var(--text-primary);margin-bottom:8px}.agent-loader{max-width:720px;margin:0 auto;font-size:14px}.agent-status-text{background:linear-gradient(90deg, var(--text-tertiary) 0%, var(--text-primary) 40%, var(--text-tertiary) 80%);-webkit-text-fill-color:transparent;background-size:200% 100%;-webkit-background-clip:text;background-clip:text;font-weight:500;animation:1.5s linear infinite text-shimmer}@keyframes text-shimmer{0%{background-position:100% 0}to{background-position:-100% 0}}.chart-container{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);margin-top:8px;padding:20px}.chart-title{color:var(--text-primary);margin-bottom:16px;font-size:14px;font-weight:500}.chart-footer{border-top:1px solid var(--border);color:var(--text-tertiary);justify-content:space-between;align-items:center;margin-top:12px;padding-top:10px;font-size:11px;display:flex}.chart-sources{flex:1}.chart-branding{opacity:.6;flex-shrink:0}.recharts-bar-rectangles:hover rect{opacity:.4}.recharts-bar-rectangles rect:hover{opacity:1}.recharts-bar-rectangles rect{transition:opacity .15s}.error-message{color:var(--negative);border-radius:var(--radius-md);background:#f8717114;border:1px solid #f8717133;padding:12px 16px;font-size:14px;line-height:1.6}.usage-info{color:var(--text-tertiary);text-align:right;padding:8px 0;font-size:12px}.login-page{background:var(--bg-primary);background-image:radial-gradient(at 50% 0,#ffffff08 0%,#0000 60%);justify-content:center;align-items:center;min-height:100vh;display:flex}.login-card{text-align:center;background:var(--bg-secondary);border:1px solid var(--border-primary);border-radius:var(--radius-lg);width:100%;max-width:400px;padding:40px;box-shadow:0 4px 24px #0000004d,inset 0 0 0 1px #ffffff08}.login-title{color:var(--text-primary);margin-bottom:8px;font-size:28px;font-weight:600}.login-subtitle{color:var(--text-secondary);margin-bottom:36px;font-size:15px}.login-buttons{flex-direction:column;gap:0;display:flex}.login-google-btn{width:100%;color:var(--text-primary);background:var(--bg-tertiary);border:1px solid var(--border-primary);border-radius:var(--radius-md);cursor:pointer;justify-content:center;align-items:center;gap:10px;padding:12px 24px;font-family:inherit;font-size:14px;font-weight:500;transition:background .15s;display:flex}.login-google-btn:hover:not(:disabled){background:var(--bg-secondary)}.login-google-btn:disabled{opacity:.6;cursor:not-allowed}.login-divider{color:var(--text-tertiary);align-items:center;margin:16px 0;font-size:13px;display:flex}.login-divider:before,.login-divider:after{content:"";background:var(--border-primary);flex:1;height:1px}.login-divider span{padding:0 12px}.login-email-btn{width:100%;color:var(--text-secondary);border:1px solid var(--border-primary);border-radius:var(--radius-md);cursor:pointer;background:0 0;padding:12px 24px;font-family:inherit;font-size:14px;font-weight:500;transition:color .15s,border-color .15s}.login-email-btn:hover{color:var(--text-primary);border-color:var(--text-tertiary)}.login-form{flex-direction:column;gap:12px;width:100%;display:flex}.login-input{color:var(--text-primary);background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-sm);outline:none;padding:12px 16px;font-family:inherit;font-size:14px;transition:border-color .15s}.login-input:focus{border-color:var(--text-tertiary)}.login-input::placeholder{color:var(--text-tertiary)}.login-submit-btn{color:var(--bg-primary);background:var(--text-primary);border-radius:var(--radius-md);cursor:pointer;border:none;padding:12px 24px;font-family:inherit;font-size:14px;font-weight:500;transition:opacity .15s}.login-submit-btn:hover:not(:disabled){opacity:.9}.login-submit-btn:disabled{opacity:.6;cursor:not-allowed}.login-error{color:var(--negative);margin-top:16px;font-size:13px}.login-message{color:var(--positive);margin-top:16px;font-size:13px}.login-footer{color:var(--text-secondary);flex-direction:column;gap:8px;margin-top:24px;font-size:13px;display:flex}.login-footer p{margin:0}.login-link{color:var(--text-primary);cursor:pointer;text-underline-offset:2px;background:0 0;border:none;padding:0;font-family:inherit;font-size:13px;font-weight:500;text-decoration:underline}.login-terms{color:var(--text-tertiary);margin-top:32px;font-size:12px;line-height:1.5}.app-loading{background:var(--bg-primary);justify-content:center;align-items:center;min-height:100vh;display:flex}.app-loading-spinner{border:2px solid var(--border);border-top-color:var(--text-primary);border-radius:50%;width:24px;height:24px;animation:.6s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.auth-prompt-overlay{z-index:100;background:#0009;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.auth-prompt{background:var(--bg-secondary);border:1px solid var(--border-primary);border-radius:var(--radius-lg);text-align:center;max-width:360px;padding:32px}.auth-prompt h3{color:var(--text-primary);margin:0 0 8px;font-size:18px;font-weight:600}.auth-prompt p{color:var(--text-secondary);margin:0 0 24px;font-size:14px}.auth-prompt-google{width:100%;color:var(--text-primary);background:var(--bg-tertiary);border:1px solid var(--border-primary);border-radius:var(--radius-md);cursor:pointer;justify-content:center;align-items:center;gap:10px;padding:12px;font-family:inherit;font-size:14px;font-weight:500;transition:background .15s;display:flex}.auth-prompt-google:hover{background:var(--bg-primary)}.auth-prompt-email{width:100%;color:var(--text-secondary);border:1px solid var(--border-primary);border-radius:var(--radius-md);cursor:pointer;background:0 0;margin-top:10px;padding:10px;font-family:inherit;font-size:13px;transition:color .15s}.auth-prompt-email:hover{color:var(--text-primary)}.profile-avatar-img{object-fit:cover;border-radius:50%;width:28px;height:28px}@media (width<=768px){.main{padding:16px}.query-bottom-inner{margin:0 16px}}