@import url(https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap);:root{--bg:#fff;--surface:#f8f9fa;--surface2:#f1f3f4;--surface3:#e8eaed;--border:#dadce0;--border2:#bdc1c6;--text:#202124;--text-sec:#5f6368;--text-ter:#70757a;--accent:#ff5b24;--accent-light:#ff5b2414;--accent-hover:#e04a16;--success:#137333;--success-dim:#e6f4ea;--danger:#c5221f;--danger-dim:#fce8e6;--warn:#b06000;--warn-dim:#fef7e0;--sidebar:#f1f3f4;--sidebar-border:#dadce0;--radius:4px;--radius-lg:6px;--shadow:0 1px 2px 0 #3c40431a,0 2px 6px 2px #3c40430d;--shadow-sm:0 1px 2px 0 #3c40431a;--sans:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;--mono:"JetBrains Mono","Fira Code","Cascadia Code",monospace}body.dark{--bg:#08090c;--surface:#0d0e12bf;--surface2:#161821;--surface3:#1e202b;--border:#ffffff14;--border2:#ffffff26;--text:#fff;--text-sec:#94a3b8;--text-ter:#475569;--sidebar:#0b0c10;--sidebar-border:#ffffff0d;--shadow:0 10px 15px -3px #00000080;--shadow-sm:0 4px 6px -1px #00000080;background-attachment:fixed;background-color:#08090c;background-image:radial-gradient(circle at 15% 45%,#8b5cf614,#0000 45%),radial-gradient(circle at 85% 55%,#14b8a614,#0000 45%)}body.accent-blue,body.accent-green,body.accent-orange,body.accent-pink,body.accent-purple,body.dark{--accent:#ff5b24;--accent-light:#ff5b2414;--accent-hover:#e04a16}*,:after,:before{box-sizing:border-box;margin:0;padding:0}html{font-size:16px}body{-webkit-font-smoothing:antialiased;background:#fff;background:var(--bg);color:#202124;color:var(--text);font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-family:var(--sans);line-height:1.5;min-height:100vh;overflow-x:hidden;transition:background .2s ease,color .2s ease}::-webkit-scrollbar{height:6px;width:6px}::-webkit-scrollbar-track{background:#0000}::-webkit-scrollbar-thumb{background:#bdc1c6;background:var(--border2);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#70757a;background:var(--text-ter)}.spin{animation:spinAnim .7s linear infinite;border:2px solid #bdc1c6;border-top-color:#ff5b24;border:2px solid var(--border2);border-radius:50%;border-top-color:var(--accent);display:inline-block;height:14px;width:14px}@keyframes spinAnim{to{transform:rotate(1turn)}}.toast-container{bottom:20px;display:flex;flex-direction:column;gap:8px;position:fixed;right:20px;z-index:9999}.toast{align-items:center;animation:toastIn .2s ease;background:#f8f9fa;background:var(--surface);border:1px solid #bdc1c6;border:1px solid var(--border2);border-radius:4px;border-radius:var(--radius);box-shadow:0 1px 2px 0 #3c40431a,0 2px 6px 2px #3c40430d;box-shadow:var(--shadow);color:#202124;color:var(--text);display:flex;font-size:13px;font-weight:500;gap:10px;max-width:320px;padding:10px 16px}@keyframes toastIn{0%{opacity:0;transform:translateX(20px)}to{opacity:1;transform:translateX(0)}}.toast.ok{border-left:3px solid #137333;border-left:3px solid var(--success)}.toast.err{border-left:3px solid #c5221f;border-left:3px solid var(--danger)}.auth-container-wrapper{--auth-bg:#08090c;--auth-card-bg:#0d0e12b3;--auth-border:#ffffff14;--auth-border-light:#ffffff0d;--auth-logo-text:#fff;--auth-title:#fff;--auth-text-body:#94a3b8;--auth-text-muted:#475569;--auth-input-bg:#161821;--auth-input-border:#ffffff14;--auth-input-text:#fff;--auth-google-bg:#ffffff0d;--auth-google-border:#ffffff26;--auth-google-text:#fff;align-items:center;background-color:var(--auth-bg);background-image:radial-gradient(circle at 15% 45%,#8b5cf624,#0000 45%),radial-gradient(circle at 85% 55%,#14b8a624,#0000 45%);display:flex;font-family:Inter,sans-serif;justify-content:center;min-height:100vh;overflow-x:hidden;padding:40px 20px;position:relative;transition:background-color .2s;width:100vw}body:not(.dark) .auth-container-wrapper{--auth-bg:#f8f9fa;--auth-card-bg:#ffffffd9;--auth-border:#00000014;--auth-border-light:#0000000d;--auth-logo-text:#111318;--auth-title:#111318;--auth-text-body:#475569;--auth-text-muted:#64748b;--auth-input-bg:#fff;--auth-input-border:#0000001a;--auth-input-text:#111318;--auth-google-bg:#00000005;--auth-google-border:#0000001a;--auth-google-text:#111318}.auth-logo-fixed{left:60px;position:absolute;top:40px;z-index:10}.auth-logo-brand{color:var(--auth-logo-text);font-size:24px;font-weight:700;letter-spacing:-.5px}.auth-card{backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);background:var(--auth-card-bg);border:1px solid var(--auth-border);border-radius:24px;box-shadow:0 25px 50px -12px #00000040;display:grid;grid-template-columns:1fr 1fr;max-width:960px;min-height:520px;overflow:hidden;transition:background-color .2s,border-color .2s;width:100%;z-index:5}.auth-card-left{border-right:1px solid var(--auth-border-light);display:flex;flex-direction:column;justify-content:center;padding:60px 50px}.auth-brand-headline{color:var(--auth-title);font-size:32px;font-weight:700;letter-spacing:-.8px;line-height:1.25;margin-bottom:45px}.auth-brand-headline .gradient-text{-webkit-text-fill-color:#0000;background:linear-gradient(135deg,var(--auth-title) 0,#ff5b24 100%);background:linear-gradient(135deg,var(--auth-title) 0,var(--accent) 100%);-webkit-background-clip:text}.auth-feature-list{display:flex;flex-direction:column;gap:28px}.auth-feature-row{align-items:flex-start;display:flex;gap:16px}.auth-icon-circle{align-items:center;background:var(--accent-dim);border:1.5px solid #ff5b24;border:1.5px solid var(--accent);border-radius:50%;box-shadow:0 0 10px var(--accent-dim);color:#ff5b24;color:var(--accent);display:flex;flex-shrink:0;height:38px;justify-content:center;width:38px}.auth-feature-info h3{color:var(--auth-title);font-size:14px;font-weight:600;margin:0 0 4px}.auth-feature-info p{color:var(--auth-text-body);font-size:13px;line-height:1.4;margin:0}.auth-card-right{display:flex;flex-direction:column;justify-content:center;padding:50px}.auth-welcome-alert{background:var(--accent-dim);border:1px solid var(--auth-border-light);border-radius:12px;margin-bottom:24px;padding:14px 18px}.auth-welcome-alert p{color:var(--auth-text-body);font-size:13px;line-height:1.4;margin:0}.auth-welcome-alert strong{color:var(--auth-title)}.auth-google-btn{align-items:center;background:var(--auth-google-bg);border:1px solid var(--auth-google-border);border-radius:22px;color:var(--auth-google-text);cursor:pointer;display:flex;font-family:inherit;font-size:14px;font-weight:500;gap:10px;height:44px;justify-content:center;transition:background .2s,border-color .2s;width:100%}.auth-google-btn:hover{background:#7c6aff14;border-color:#ff5b24;border-color:var(--accent)}.auth-divider{align-items:center;color:var(--auth-text-muted);display:flex;font-size:11px;font-weight:600;letter-spacing:1px;margin:20px 0;text-align:center}.auth-divider:after,.auth-divider:before{border-bottom:1.5px solid var(--auth-border-light);content:"";flex:1 1}.auth-divider:not(:empty):before{margin-right:15px}.auth-divider:not(:empty):after{margin-left:15px}.auth-form-el{gap:16px}.auth-form-el,.auth-input-group{display:flex;flex-direction:column}.auth-input-group{gap:6px}.auth-input-label{color:var(--auth-text-body);font-size:12px;font-weight:500}.auth-custom-input{background:var(--auth-input-bg);border:1.5px solid var(--auth-input-border);border-radius:8px;color:var(--auth-input-text);font-family:inherit;font-size:14px;height:42px;outline:none;padding:0 16px;transition:border-color .2s,box-shadow .2s;width:100%}.auth-custom-input:focus{border-color:#ff5b24;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-dim)}.auth-custom-input::placeholder{color:var(--auth-text-muted)}.auth-error-msg{color:#c5221f;color:var(--danger);font-size:13px;font-weight:500;margin-top:4px}.auth-submit-pill-btn{align-items:center;background:#ff5b24;background:var(--accent);border:none;border-radius:22px;color:#fff;cursor:pointer;display:flex;font-family:inherit;font-size:14px;font-weight:600;height:44px;justify-content:center;margin-top:8px;transition:background .2s,transform .1s;width:100%}.auth-submit-pill-btn:hover{opacity:.95}.auth-submit-pill-btn:active{transform:scale(.98)}.auth-submit-pill-btn:disabled{cursor:not-allowed;opacity:.6}.auth-bottom-switch{color:var(--auth-text-body);font-size:13px;margin-top:20px;text-align:center}.auth-switch-link-btn{background:none;border:none;color:#ff5b24;color:var(--accent);cursor:pointer;font-family:inherit;font-size:13px;font-weight:600;margin-left:4px;padding:0;text-decoration:underline}.auth-switch-link-btn:hover{color:#ff5b24;color:var(--accent);opacity:.85}.auth-card-footer{color:var(--auth-text-muted);font-size:11px;line-height:1.4;margin-top:28px;text-align:center}.auth-card-footer .footer-link{color:#ff5b24;color:var(--accent);cursor:pointer}.auth-card-footer .footer-link:hover{text-decoration:underline}@media (max-width:868px){.auth-logo-fixed{margin-bottom:24px;position:static;text-align:center;width:100%}.auth-theme-toggle-fixed{right:20px!important;top:20px!important}.auth-card{grid-template-columns:1fr;max-width:480px}.auth-card-left{display:none}.auth-card-right{padding:35px 25px}.auth-container-wrapper{flex-direction:column;justify-content:flex-start}}.auth-loading-screen{align-items:center;display:flex;flex-direction:column;gap:12px;height:100vh;justify-content:center}.auth-loading-screen p{color:#5f6368;color:var(--text-sec);font-size:14px}.dashboard-container{background:#fff;background:var(--bg);display:flex;height:100vh;overflow:hidden}.sidebar{background:#f1f3f4;background:var(--sidebar);border-right:1px solid #dadce0;border-right:1px solid var(--sidebar-border);display:flex;flex-direction:column;min-width:240px;overflow:hidden;transition:transform .25s cubic-bezier(.4,0,.2,1),background .2s ease,width .2s ease,min-width .2s ease;width:240px}.sidebar.collapsed{border-right:none!important;min-width:0!important;width:0!important}.sidebar-collapse-btn{align-items:center;background:none;border:none;border-radius:4px;color:#5f6368;color:var(--text-sec);cursor:pointer;display:flex;font-size:10px;justify-content:center;padding:4px 6px;transition:background .15s,color .15s}.sidebar-collapse-btn:hover{background:#f1f3f4;background:var(--surface2);color:#202124;color:var(--text)}.sidebar-top{border-bottom:1px solid #dadce0;border-bottom:1px solid var(--border);flex-shrink:0;height:56px;justify-content:space-between;padding:0 16px}.sidebar-logo,.sidebar-top{align-items:center;display:flex}.sidebar-logo{gap:8px}.sidebar-logo-icon{align-items:center;background:#ff5b24;background:var(--accent);border-radius:5px;color:#fff;display:flex;font-size:11px;font-weight:700;height:26px;justify-content:center;width:26px}.sidebar-logo-name{color:#202124;color:var(--text);font-size:14px;font-weight:700;letter-spacing:-.2px}.sidebar-new-btn{align-items:center;background:#ff5b24;background:var(--accent);border:none;border-radius:4px;border-radius:var(--radius);color:#fff;cursor:pointer;display:flex;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-family:var(--sans);font-size:12px;font-weight:600;gap:5px;padding:5px 10px;transition:background .15s;white-space:nowrap}.sidebar-new-btn:hover{background:#e04a16;background:var(--accent-hover)}.sidebar-section-label{color:#70757a;color:var(--text-ter);font-size:11px;font-weight:700;letter-spacing:.8px;padding:14px 16px 6px;text-transform:uppercase}.sidebar-list{flex:1 1;overflow-y:auto;padding:4px 0}.project-item{align-items:center;border-left:3px solid #0000;border-radius:0;cursor:pointer;display:flex;gap:8px;padding:8px 16px;position:relative;transition:background .1s,border-color .1s}.project-item:hover{background:#f1f3f4;background:var(--surface2)}.project-item.active{background:#ff5b2414;background:var(--accent-light);border-left-color:#ff5b24;border-left-color:var(--accent)}.p-icon{align-items:center;background:#f1f3f4;background:var(--surface2);border:1px solid #dadce0;border:1px solid var(--border);border-radius:5px;color:#5f6368;color:var(--text-sec);display:flex;flex-shrink:0;font-size:11px;height:24px;justify-content:center;width:24px}.project-item.active .p-icon{background:#ff5b2414;background:var(--accent-light);border-color:#ff5b24;border-color:var(--accent);color:#ff5b24;color:var(--accent)}.p-meta{flex:1 1;min-width:0}.p-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.p-name,.p-name-edit{color:#202124;color:var(--text);font-size:13px;font-weight:500}.p-name-edit{background:#f1f3f4;background:var(--surface2);border:1px solid #ff5b24;border:1px solid var(--accent);border-radius:4px;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-family:var(--sans);outline:none;padding:2px 5px;width:100%}.p-date{font-size:11px;margin-top:1px}.p-date,.p-del{color:#70757a;color:var(--text-ter)}.p-del{background:none;border:none;border-radius:4px;cursor:pointer;font-size:12px;line-height:1;opacity:0;padding:3px 6px;transition:all .1s}.project-item:hover .p-del{opacity:1}.p-del:hover{background:#fce8e6;background:var(--danger-dim);color:#c5221f;color:var(--danger)}.sidebar-empty{color:#70757a;color:var(--text-ter);font-size:12px;padding:12px 16px}.sidebar-admin-btn{align-items:center;border-bottom:1px solid #dadce0;border-bottom:1px solid var(--border);border-top:1px solid #dadce0;border-top:1px solid var(--border);display:flex;gap:8px;padding:10px 16px}.sidebar-admin-btn button{align-items:center;background:none;border:1px solid #bdc1c6;border:1px solid var(--border2);border-radius:4px;border-radius:var(--radius);color:#5f6368;color:var(--text-sec);cursor:pointer;display:flex;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-family:var(--sans);font-size:12px;font-weight:600;gap:6px;padding:7px 12px;text-align:left;transition:all .15s;width:100%}.sidebar-admin-btn button:hover{background:#f1f3f4;background:var(--surface2);border-color:#bdc1c6;border-color:var(--border2);color:#202124;color:var(--text)}.sidebar-bottom{border-top:1px solid #dadce0;border-top:1px solid var(--border);flex-shrink:0}.sidebar-settings{border-bottom:1px solid #dadce0;border-bottom:1px solid var(--border);padding:10px 14px}.sidebar-settings-row{align-items:center;display:flex;justify-content:space-between;margin-bottom:8px}.sidebar-settings-row:last-child{margin-bottom:0}.settings-label{color:#70757a;color:var(--text-ter);font-size:11px;font-weight:600;letter-spacing:.6px;text-transform:uppercase}.accent-circles{display:flex;gap:5px}.accent-circle{border:2px solid #0000;border-radius:50%;cursor:pointer;height:14px;transition:transform .15s,border-color .15s;width:14px}.accent-circle:hover{transform:scale(1.2)}.accent-circle.active{border-color:#202124;border-color:var(--text)}.mode-toggle{align-items:center;background:#f1f3f4;background:var(--surface2);border:1px solid #dadce0;border:1px solid var(--border);border-radius:20px;display:flex;gap:2px;padding:2px}.mode-btn{background:none;border:none;border-radius:16px;color:#70757a;color:var(--text-ter);cursor:pointer;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-family:var(--sans);font-size:11px;font-weight:600;padding:3px 9px;transition:all .15s;white-space:nowrap}.mode-btn.active{background:#e8eaed;background:var(--surface3);color:#202124;color:var(--text)}.sidebar-user{gap:10px;padding:10px 14px}.sidebar-user,.user-avatar{align-items:center;display:flex}.user-avatar{background:#ff5b24;background:var(--accent);border-radius:50%;color:#fff;flex-shrink:0;font-size:12px;font-weight:700;height:30px;justify-content:center;width:30px}.user-email{color:#5f6368;color:var(--text-sec);flex:1 1;font-size:12px;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.logout-btn{background:none;border:none;border-radius:4px;border-radius:var(--radius);color:#70757a;color:var(--text-ter);cursor:pointer;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-family:var(--sans);font-size:11px;font-weight:600;padding:4px 6px;transition:all .15s}.logout-btn:hover{background:#fce8e6;background:var(--danger-dim);color:#c5221f;color:var(--danger)}.chat-area{flex:1 1;flex-direction:column;min-width:0;transition:background .2s ease}.chat-area,.chat-header{background:#fff;background:var(--bg);display:flex}.chat-header{align-items:center;border-bottom:1px solid #dadce0;border-bottom:1px solid var(--border);flex-shrink:0;height:56px;justify-content:space-between;padding:0 16px}.chat-header-left{align-items:center;display:flex;gap:10px;min-width:0}.project-name-input{background:none;border:none;color:#202124;color:var(--text);font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-family:var(--sans);font-size:14px;font-weight:600;min-width:0;outline:none;width:260px}.project-name-input::placeholder{color:#70757a;color:var(--text-ter);font-weight:400}.chat-header-right{align-items:center;display:flex;gap:8px}.status-chip{border-radius:20px;font-size:11px;font-weight:600;padding:3px 8px}.status-chip.saved{background:#e6f4ea;background:var(--success-dim);color:#137333;color:var(--success)}.status-chip.unsaved{background:#fef7e0;background:var(--warn-dim);color:#b06000;color:var(--warn)}.share-btn{align-items:center;background:none;border:1px solid #bdc1c6;border:1px solid var(--border2);border-radius:4px;border-radius:var(--radius);color:#5f6368;color:var(--text-sec);cursor:pointer;display:flex;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-family:var(--sans);font-size:12px;font-weight:600;gap:5px;padding:5px 12px;transition:all .15s}.share-btn:hover{background:#f1f3f4;background:var(--surface2);color:#202124;color:var(--text)}.messages{display:flex;flex:1 1;flex-direction:column;gap:16px;overflow-y:auto;padding:24px 20px}.msg{display:flex;gap:12px;max-width:88%}.msg.user{align-self:flex-end;flex-direction:row-reverse}.msg-avatar{align-items:center;background:#f1f3f4;background:var(--surface2);border:1px solid #dadce0;border:1px solid var(--border);border-radius:50%;color:#5f6368;color:var(--text-sec);display:flex;flex-shrink:0;font-size:11px;font-weight:700;height:28px;justify-content:center;margin-top:2px;width:28px}.msg.user .msg-avatar{background:#ff5b24;background:var(--accent);border-color:#0000;color:#fff}.msg-bubble{background:#f8f9fa;background:var(--surface);border:1px solid #dadce0;border:1px solid var(--border);border-radius:6px;border-radius:var(--radius-lg);border-top-left-radius:3px;color:#202124;color:var(--text);font-size:14px;line-height:1.6;padding:11px 15px}.msg.user .msg-bubble{background:#f1f3f4;background:var(--surface2);border-color:#bdc1c6;border-color:var(--border2);border-top-left-radius:6px;border-top-left-radius:var(--radius-lg);border-top-right-radius:3px}.artifact-chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}.artifact-chip{align-items:center;background:#f1f3f4;background:var(--surface2);border:1px solid #bdc1c6;border:1px solid var(--border2);border-radius:20px;color:#5f6368;color:var(--text-sec);cursor:pointer;display:inline-flex;font-size:12px;font-weight:500;gap:5px;padding:5px 11px;transition:all .15s}.artifact-chip:hover{background:#ff5b2414;background:var(--accent-light);border-color:#ff5b24;border-color:var(--accent);color:#ff5b24;color:var(--accent)}.artifact-chip-dot{background:#ff5b24;background:var(--accent);border-radius:50%;height:5px;width:5px}.typing{align-items:center;display:flex;gap:4px;padding:4px 0}.typing span{animation:typingBounce 1.3s infinite;background:#70757a;background:var(--text-ter);border-radius:50%;height:6px;width:6px}.typing span:nth-child(2){animation-delay:.15s}.typing span:nth-child(3){animation-delay:.3s}@keyframes typingBounce{0%,60%,to{opacity:.5;transform:translateY(0)}30%{opacity:1;transform:translateY(-4px)}}.welcome-state{flex:1 1;flex-direction:column;padding:40px 32px;text-align:center}.welcome-icon,.welcome-state{align-items:center;display:flex;justify-content:center}.welcome-icon{background:#ff5b2414;background:var(--accent-light);border:1px solid #dadce0;border:1px solid var(--border);border-radius:12px;font-size:20px;height:48px;margin-bottom:16px;width:48px}.welcome-state h2{color:#202124;color:var(--text);font-size:20px;font-weight:700;letter-spacing:-.3px;margin-bottom:8px}.welcome-state p{color:#5f6368;color:var(--text-sec);font-size:14px;line-height:1.6;margin-bottom:28px;max-width:380px}.suggestion-grid{grid-gap:10px;display:grid;gap:10px;grid-template-columns:repeat(2,minmax(180px,260px))}.suggestion{background:#f8f9fa;background:var(--surface);border:1px solid #dadce0;border:1px solid var(--border);border-radius:4px;border-radius:var(--radius);color:#5f6368;color:var(--text-sec);cursor:pointer;font-size:13px;padding:14px;text-align:left;transition:border-color .15s,background .15s}.suggestion:hover{background:#f1f3f4;background:var(--surface2);border-color:#ff5b24;border-color:var(--accent)}.suggestion strong{color:#202124;color:var(--text);display:block;font-size:13px;font-weight:600;margin-bottom:4px}.chat-input-wrap{background:#fff;background:var(--bg);padding:0 16px 16px}.chat-input-box{align-items:flex-end;background:#f8f9fa;background:var(--surface);border:1px solid #bdc1c6;border:1px solid var(--border2);border-radius:6px;border-radius:var(--radius-lg);display:flex;gap:10px;padding:10px 14px;transition:border-color .15s,box-shadow .15s}.chat-input-box:focus-within{border-color:#ff5b24;border-color:var(--accent);box-shadow:0 0 0 3px #ff5b2414;box-shadow:0 0 0 3px var(--accent-light)}.chat-textarea{background:none;border:none;color:#202124;color:var(--text);flex:1 1;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe 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