@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap";
:root{--bg-primary:#fff;--bg-secondary:#f7f7f8;--bg-tertiary:#eeeff1;--bg-card:#fff;--glass-bg:#00000005;--glass-border:#e0e0e0;--glass-hover:#0000000a;--text-primary:#1a1a1a;--text-secondary:#6b6b6b;--text-muted:#9e9e9e;--accent-primary:#e8833a;--accent-primary-light:#e8833a1a;--accent-primary-glow:#e8833a33;--accent-blue:#2563eb;--accent-green:#16a34a;--accent-red:#dc2626;--gradient-primary:linear-gradient(135deg, #e8833a, #d4622e);--gradient-chat:linear-gradient(135deg, #f7f7f8, #eeeff1);--shadow-sm:0 1px 3px #00000014;--shadow-md:0 4px 12px #0000001a;--shadow-lg:0 8px 24px #0000001f;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-xl:24px;--radius-pill:50px;--transition-fast:.15s ease;--transition-normal:.25s ease;--transition-slow:.4s cubic-bezier(.4, 0, .2, 1);--sidebar-width:260px}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-size:16px}body{background-color:var(--bg-primary);color:var(--text-primary);min-height:100vh;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;overflow:hidden}::-webkit-scrollbar{width:5px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:#0000001f;border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#00000040}.app-container{width:100vw;height:100vh;display:flex;overflow:hidden}.sidebar{width:var(--sidebar-width);min-width:var(--sidebar-width);background:var(--bg-secondary);border-right:1px solid var(--glass-border);height:100vh;transition:transform var(--transition-slow);flex-direction:column;display:flex}.sidebar-header{border-bottom:1px solid var(--glass-border);justify-content:space-between;align-items:center;gap:12px;height:52px;min-height:52px;padding:0 16px;display:flex}.sidebar-logo{flex-shrink:0;align-items:center;gap:8px;display:flex}.sidebar-logo-text{color:var(--text-primary);letter-spacing:-.3px;font-size:15px;font-weight:700}.new-chat-btn{background:var(--gradient-primary);border-radius:var(--radius-pill);color:#fff;cursor:pointer;transition:all var(--transition-normal);white-space:nowrap;border:none;flex-shrink:0;align-items:center;gap:5px;padding:7px 16px;font-family:inherit;font-size:12px;font-weight:600;display:flex}.new-chat-btn:hover{opacity:.9;box-shadow:0 4px 12px var(--accent-primary-glow);transform:translateY(-1px)}.sidebar-search{padding:12px 16px 0}.sidebar-search-input{background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:var(--radius-sm);width:100%;color:var(--text-primary);transition:border-color var(--transition-fast);outline:none;padding:8px 12px 8px 32px;font-family:inherit;font-size:12px}.sidebar-search-input::placeholder{color:var(--text-muted)}.sidebar-search-input:focus{border-color:var(--accent-primary)}.sidebar-search-wrapper{position:relative}.sidebar-search-icon{color:var(--text-muted);pointer-events:none;display:block;position:absolute;top:50%;left:10px;transform:translateY(-50%)}.sidebar-label{text-transform:uppercase;letter-spacing:1px;color:var(--text-muted);padding:14px 16px 6px;font-size:10px;font-weight:700}.sidebar-sessions{flex:1;padding:4px 8px 12px;overflow-y:auto}.session-item{border-radius:var(--radius-sm);cursor:pointer;transition:all var(--transition-fast);color:var(--text-secondary);align-items:center;gap:8px;margin-bottom:2px;padding:9px 12px;font-size:13px;display:flex;position:relative}.session-item:hover{background:var(--glass-hover);color:var(--text-primary)}.session-item.active{background:var(--accent-primary-light);color:var(--accent-primary);font-weight:500}.session-item-icon{color:var(--text-muted);flex-shrink:0;display:block}.session-item.active .session-item-icon{color:var(--accent-primary)}.session-item-title{text-overflow:ellipsis;white-space:nowrap;flex:1;overflow:hidden}.session-delete-btn{opacity:0;color:var(--text-muted);cursor:pointer;transition:all var(--transition-fast);background:0 0;border:none;border-radius:4px;flex-shrink:0;justify-content:center;align-items:center;padding:4px;line-height:0;display:inline-flex}.session-item:hover .session-delete-btn{opacity:1}.session-delete-btn:hover{color:var(--accent-red);background:#f851491a}.sidebar-empty{color:var(--text-muted);text-align:center;padding:24px 14px;font-size:12px;font-style:italic}.main-area{background:var(--bg-primary);flex-direction:column;flex:1;min-width:0;height:100vh;display:flex}.chat-header{border-bottom:1px solid var(--glass-border);background:var(--bg-secondary);height:16px;min-height:16px;padding:0 24px}.welcome-container{flex-direction:column;flex:1;justify-content:center;align-items:center;padding:40px 24px;animation:.5s fadeInUp;display:flex}.welcome-icon{color:var(--accent-primary);background:var(--accent-primary-light);border-radius:50%;justify-content:center;align-items:center;width:72px;height:72px;margin-bottom:16px;display:inline-flex}.welcome-title{color:var(--text-primary);letter-spacing:-.5px;margin-bottom:6px;font-size:26px;font-weight:700}.welcome-subtitle{color:var(--text-secondary);margin-bottom:28px;font-size:14px}.welcome-input-area{width:100%;max-width:600px;margin-bottom:32px}.welcome-input-wrapper{background:var(--bg-secondary);border:1px solid var(--glass-border);border-radius:var(--radius-pill);box-shadow:var(--shadow-sm);transition:border-color var(--transition-fast), box-shadow var(--transition-fast);align-items:center;gap:0;padding:6px 8px 6px 24px;display:flex}.welcome-input-wrapper:focus-within{border-color:var(--accent-primary);box-shadow:0 0 0 3px var(--accent-primary-glow)}.welcome-input{color:var(--text-primary);background:0 0;border:none;outline:none;flex:1;min-width:0;padding:12px 0;font-family:inherit;font-size:15px}.welcome-input::placeholder{color:var(--text-muted)}.welcome-send-btn{background:var(--gradient-primary);color:#fff;cursor:pointer;width:48px;height:48px;transition:all var(--transition-normal);border:none;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:18px;display:flex}.welcome-send-btn:hover:not(:disabled){opacity:.9;transform:scale(1.05)}.welcome-send-btn:disabled{opacity:.3;cursor:not-allowed}.suggestions-label{color:var(--text-secondary);margin-bottom:14px;font-size:13px;font-weight:500}.welcome-suggestions{grid-template-columns:repeat(2,1fr);gap:10px;width:100%;max-width:600px;display:grid}.suggestion-card{border:1px solid var(--glass-border);border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-normal);text-align:left;color:var(--text-secondary);background:0 0;padding:12px 16px;font-family:inherit;font-size:12.5px;line-height:1.5}.suggestion-card:hover{background:var(--glass-hover);border-color:var(--accent-primary);color:var(--text-primary);transform:translateY(-1px)}.messages-container{flex-direction:column;flex:1;gap:16px;padding:24px;display:flex;overflow-y:auto}.message-row{gap:10px;animation:.3s fadeInUp;display:flex}.message-row.user{justify-content:flex-end}.message-row.assistant{justify-content:flex-start}.message-avatar{width:30px;height:30px;color:var(--text-secondary);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;margin-top:2px;display:flex}.message-avatar.user-avatar>svg{color:#fff}.message-avatar.assistant-avatar>svg{color:var(--accent-primary)}.message-avatar.user-avatar{background:var(--gradient-primary);order:2}.message-avatar.assistant-avatar{background:var(--bg-tertiary);border:1px solid var(--glass-border)}.message-bubble{border-radius:var(--radius-lg);word-wrap:break-word;max-width:70%;padding:12px 16px;font-size:14px;line-height:1.6}.message-bubble.user-bubble{background:var(--gradient-primary);color:#fff;border-bottom-right-radius:4px}.message-bubble.assistant-bubble{background:var(--bg-secondary);border:1px solid var(--glass-border);color:var(--text-primary);border-bottom-left-radius:4px}.message-bubble strong{color:var(--accent-primary);font-weight:600}.chart-image{border-radius:var(--radius-sm);border:1px solid var(--glass-border);max-width:100%;margin-top:8px}.chart-clickable{cursor:pointer;transition:opacity .2s,transform .2s}.chart-clickable:hover{opacity:.85;transform:scale(1.01)}.lightbox-overlay{z-index:9999;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);cursor:pointer;background:#000c;justify-content:center;align-items:center;animation:.2s lightbox-fade-in;display:flex;position:fixed;inset:0}.lightbox-image{border-radius:var(--radius-md);cursor:default;max-width:90vw;max-height:90vh;animation:.25s lightbox-scale-in;box-shadow:0 20px 60px #00000080}.lightbox-close{color:#fff;cursor:pointer;z-index:10000;background:#ffffff26;border:1px solid #ffffff40;border-radius:50%;justify-content:center;align-items:center;width:40px;height:40px;transition:background .2s;display:flex;position:fixed;top:20px;right:24px}.lightbox-close:hover{background:#ffffff4d}@keyframes lightbox-fade-in{0%{opacity:0}to{opacity:1}}@keyframes lightbox-scale-in{0%{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}.dataframe-wrapper{border-radius:var(--radius-sm);border:1px solid var(--glass-border);margin-top:8px;overflow-x:auto}.dataframe-table{border-collapse:collapse;width:100%;font-size:12px}.dataframe-table th{background:var(--bg-tertiary);text-align:left;color:var(--accent-primary);white-space:nowrap;border-bottom:1px solid var(--glass-border);padding:8px 12px;font-weight:600}.dataframe-table td{color:var(--text-secondary);white-space:nowrap;border-bottom:1px solid #0000000d;padding:6px 12px}.dataframe-table tr:hover td{background:var(--glass-hover)}.error-message{color:var(--accent-red);align-items:flex-start;gap:8px;display:flex}.error-icon{color:var(--accent-red);flex-shrink:0;margin-top:2px;display:block}.typing-indicator{gap:4px;padding:8px 0;display:flex}.typing-dot{background:var(--accent-primary);border-radius:50%;width:7px;height:7px;animation:1.4s ease-in-out infinite typingBounce}.typing-dot:first-child{animation-delay:0s}.typing-dot:nth-child(2){animation-delay:.2s}.typing-dot:nth-child(3){animation-delay:.4s}.chat-input-area{border-top:1px solid var(--glass-border);background:var(--bg-secondary);padding:14px 24px 22px}.chat-input-wrapper{background:var(--bg-primary);border:1px solid var(--glass-border);border-radius:var(--radius-pill);max-width:800px;box-shadow:var(--shadow-sm);transition:border-color var(--transition-fast), box-shadow var(--transition-fast);align-items:center;gap:0;margin:0 auto;padding:6px 8px 6px 24px;display:flex}.chat-input-wrapper:focus-within{border-color:var(--accent-primary);box-shadow:0 0 0 3px var(--accent-primary-glow)}.chat-input{color:var(--text-primary);resize:none;background:0 0;border:none;outline:none;flex:1;min-height:44px;max-height:140px;padding:10px 0;font-family:inherit;font-size:15px}.chat-input::placeholder{color:var(--text-muted)}.send-btn{background:var(--gradient-primary);color:#fff;cursor:pointer;width:42px;height:42px;transition:all var(--transition-normal);border:none;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:16px;display:flex}.send-btn:hover:not(:disabled){opacity:.9;transform:scale(1.05)}.send-btn:disabled{opacity:.3;cursor:not-allowed}.chat-input-hint{text-align:center;color:var(--text-muted);margin-top:6px;font-size:10px}@keyframes fadeInUp{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes typingBounce{0%,80%,to{opacity:.4;transform:scale(.6)}40%{opacity:1;transform:scale(1)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.mobile-sidebar-toggle,.sidebar-backdrop{display:none}@media (max-width:768px){.mobile-sidebar-toggle{z-index:200;background:var(--bg-card);border:1px solid var(--glass-border);border-radius:var(--radius-sm);width:36px;height:36px;color:var(--text-primary);cursor:pointer;box-shadow:var(--shadow-sm);transition:all var(--transition-fast);justify-content:center;align-items:center;font-size:20px;display:flex;position:fixed;top:8px;left:12px}.mobile-sidebar-toggle:hover{background:var(--glass-hover)}.sidebar-backdrop{z-index:99;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);background:#0006;animation:.2s lightbox-fade-in;display:block;position:fixed;inset:0}.sidebar{z-index:100;position:fixed;top:0;left:0;transform:translate(-100%)}.sidebar.open{transform:translate(0)}.welcome-suggestions{grid-template-columns:1fr}.message-bubble{max-width:85%}.welcome-title{font-size:22px}}.auth-container{background:linear-gradient(135deg,#f7f7f8 0%,#eeeff1 50%,#f0ece6 100%);flex-direction:column;justify-content:center;align-items:center;min-height:100vh;padding:24px;display:flex;overflow:auto}.auth-card{background:var(--bg-card);border:1px solid var(--glass-border);border-radius:var(--radius-lg);width:100%;max-width:420px;box-shadow:var(--shadow-lg);padding:40px 32px;animation:.4s fadeInUp}.auth-header{text-align:center;margin-bottom:28px}.auth-logo{background:var(--accent-primary-light);width:64px;height:64px;color:var(--accent-primary);border-radius:50%;justify-content:center;align-items:center;margin:0 auto 14px;display:inline-flex}.auth-logo.auth-logo-success{color:var(--accent-green);background:#16a34a1a}.auth-title{color:var(--text-primary);letter-spacing:-.5px;margin-bottom:6px;font-size:24px;font-weight:700}.auth-subtitle{color:var(--text-secondary);font-size:14px;line-height:1.5}.auth-subtitle strong{color:var(--accent-primary)}.auth-form{flex-direction:column;gap:18px;display:flex}.auth-field{flex-direction:column;gap:6px;display:flex}.auth-label{color:var(--text-secondary);font-size:13px;font-weight:600}.auth-input{background:var(--bg-secondary);border:1px solid var(--glass-border);border-radius:var(--radius-sm);width:100%;color:var(--text-primary);transition:border-color var(--transition-fast), box-shadow var(--transition-fast);outline:none;padding:12px 16px;font-family:inherit;font-size:14px}.auth-input::placeholder{color:var(--text-muted)}.auth-input:focus{border-color:var(--accent-primary);box-shadow:0 0 0 3px var(--accent-primary-glow)}.auth-input:disabled{opacity:.6;cursor:not-allowed}.auth-btn{background:var(--gradient-primary);border-radius:var(--radius-sm);color:#fff;cursor:pointer;width:100%;transition:all var(--transition-normal);border:none;margin-top:4px;padding:14px 24px;font-family:inherit;font-size:15px;font-weight:600}.auth-btn:hover:not(:disabled){opacity:.9;box-shadow:0 4px 12px var(--accent-primary-glow);transform:translateY(-1px)}.auth-btn:disabled{opacity:.4;cursor:not-allowed;transform:none}.auth-btn-secondary{border:1px solid var(--glass-border);color:var(--text-secondary);background:0 0}.auth-btn-secondary:hover:not(:disabled){background:var(--glass-hover);box-shadow:none;opacity:1}.auth-btn-loading{justify-content:center;align-items:center;gap:8px;display:flex}.auth-spinner{border:2px solid #ffffff4d;border-top-color:#fff;border-radius:50%;width:16px;height:16px;animation:.6s linear infinite spin}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.auth-error{border-radius:var(--radius-sm);color:var(--accent-red);background:#dc262614;border:1px solid #dc262633;margin-bottom:16px;padding:12px 16px;font-size:13px;animation:.3s fadeInUp}.auth-footer{text-align:center;margin-top:20px}.auth-link{color:var(--accent-primary);transition:opacity var(--transition-fast);font-size:13px;font-weight:500;text-decoration:none}.auth-link:hover{opacity:.8}.auth-powered{color:var(--text-muted);margin-top:20px;font-size:11px}.code-inputs{justify-content:center;gap:10px;margin-bottom:8px;display:flex}.code-input{text-align:center;width:50px;height:58px;color:var(--text-primary);background:var(--bg-secondary);border:2px solid var(--glass-border);border-radius:var(--radius-sm);transition:border-color var(--transition-fast), box-shadow var(--transition-fast);outline:none;font-family:inherit;font-size:24px;font-weight:700}.code-input:focus{border-color:var(--accent-primary);box-shadow:0 0 0 3px var(--accent-primary-glow)}.code-input:disabled{opacity:.6}.onboarding-info{background:var(--bg-secondary);border-radius:var(--radius-md);border:1px solid var(--glass-border);flex-direction:column;gap:12px;margin-top:24px;padding:20px;display:flex}.onboarding-step{color:var(--text-primary);align-items:center;gap:12px;font-size:14px;display:flex}.onboarding-step-icon{color:var(--text-secondary);flex-shrink:0;display:block}.onboarding-step-icon-done{color:var(--accent-green)}.onboarding-step-icon-active{color:var(--accent-primary)}.onboarding-step-pending{opacity:.4}.auth-email-chip{background:var(--bg-secondary);border:1px solid var(--glass-border);border-radius:var(--radius-sm);cursor:pointer;transition:border-color var(--transition-fast);align-items:center;gap:10px;padding:10px 14px;display:flex}.auth-email-chip:hover{border-color:var(--accent-primary)}.auth-email-chip-icon{color:var(--text-secondary);flex-shrink:0;display:block}.auth-email-chip-text{color:var(--text-primary);text-overflow:ellipsis;white-space:nowrap;flex:1;font-size:14px;font-weight:500;overflow:hidden}.auth-email-chip-edit{opacity:.4;transition:opacity var(--transition-fast);color:var(--text-secondary);flex-shrink:0;display:block}.auth-email-chip:hover .auth-email-chip-edit{opacity:1}.auth-footer-row{justify-content:space-between;align-items:center;margin-top:4px;display:flex}.auth-link-btn{color:var(--text-secondary);cursor:pointer;transition:color var(--transition-fast);background:0 0;border:none;padding:0;font-family:inherit;font-size:13px}.auth-link-btn:hover{color:var(--accent-primary)}.auth-hint{color:var(--text-muted);margin-top:16px;font-size:12px}@media (max-width:480px){.auth-card{padding:32px 24px}.auth-title{font-size:20px}.code-input{width:42px;height:50px;font-size:20px}.code-inputs{gap:6px}}.admin-layout{background:var(--bg-secondary);min-height:100vh;display:flex}.admin-sidebar{background:var(--bg-card);border-right:1px solid var(--glass-border);z-index:100;flex-direction:column;width:260px;min-height:100vh;display:flex;position:fixed;top:0;bottom:0;left:0}.admin-sidebar-header{border-bottom:1px solid var(--glass-border);align-items:center;gap:12px;padding:24px 20px;display:flex}.admin-sidebar-logo-wrap{border-radius:var(--radius-sm);background:var(--accent-primary-light);width:40px;height:40px;color:var(--accent-primary);flex-shrink:0;justify-content:center;align-items:center;display:flex}.admin-sidebar-title{color:var(--text-primary);font-size:16px;font-weight:700;line-height:1.2}.admin-sidebar-subtitle{color:var(--accent-primary);text-transform:uppercase;letter-spacing:.5px;font-size:12px;font-weight:600}.admin-nav{flex-direction:column;flex:1;gap:4px;padding:12px 10px;display:flex}.admin-nav-item{border-radius:var(--radius-sm);color:var(--text-secondary);transition:all var(--transition-fast);align-items:center;gap:12px;padding:10px 14px;font-size:14px;font-weight:500;text-decoration:none;display:flex}.admin-nav-item:hover{background:var(--bg-secondary);color:var(--text-primary)}.admin-nav-item-active{background:var(--accent-primary-light);color:var(--accent-primary);font-weight:600}.admin-nav-icon{text-align:center;width:24px;font-size:18px}.admin-sidebar-footer{border-top:1px solid var(--glass-border);flex-direction:column;gap:12px;padding:16px 20px;display:flex}.admin-user-info{align-items:center;gap:10px;display:flex}.admin-user-avatar{background:var(--gradient-primary);color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:36px;height:36px;font-size:14px;font-weight:700;display:flex}.admin-user-details{flex-direction:column;min-width:0;display:flex}.admin-user-name{color:var(--text-primary);text-overflow:ellipsis;white-space:nowrap;font-size:13px;font-weight:600;overflow:hidden}.admin-user-role{color:var(--text-muted);font-size:11px}.admin-sidebar-actions{gap:6px;display:flex}.admin-action-btn{background:var(--bg-secondary);border:1px solid var(--glass-border);border-radius:var(--radius-sm);cursor:pointer;color:var(--text-secondary);text-align:center;transition:all var(--transition-fast);flex:1;justify-content:center;align-items:center;gap:6px;padding:8px 10px;font-family:inherit;font-size:12px;font-weight:500;text-decoration:none;display:flex}.admin-action-btn:hover{border-color:var(--accent-primary);background:var(--accent-primary-light);color:var(--accent-primary)}.admin-action-btn:focus-visible{outline:2px solid var(--accent-primary);outline-offset:2px}.admin-action-label{font-size:11px;font-weight:600}.admin-content{flex:1;height:100vh;margin-left:260px;padding:32px;overflow-y:auto}.admin-page{max-width:1200px;margin:0 auto}.admin-page-header{justify-content:space-between;align-items:flex-start;margin-bottom:24px;display:flex}.admin-page-title{color:var(--text-primary);font-size:24px;font-weight:700}.admin-page-subtitle{color:var(--text-secondary);margin-top:4px;font-size:14px}.admin-loading{min-height:300px;color:var(--text-muted);justify-content:center;align-items:center;gap:10px;font-size:14px;display:flex}.admin-spinner{animation:1s linear infinite spin}.sr-only{clip:rect(0, 0, 0, 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