@import"https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Space+Mono:wght@400;700&display=swap";@import"https://fonts.googleapis.com/css2?family=Bricolage+Grotesque:opsz,wght@10..48,600;10..48,700;10..48,800&family=Manrope:wght@400;500;600;700&family=Space+Mono:wght@400;700&display=swap";:root,[data-theme=light]{--primary-blue: #1d4ed8;--primary-blue-dark: #1e40af;--accent-blue: #3b82f6;--success-green: #10b981;--error-red: #ef4444;--text-primary: #1e293b;--text-secondary: #64748b;--bg-primary: #ffffff;--bg-secondary: #f8fafc;--bg-tertiary: #f1f5f9;--border-color: #e2e8f0;--session-active-bg: #e2e8f0;--session-active-text: #0f172a;--overlay-bg: rgba(15, 23, 42, .55);--glass-bg: rgba(255, 255, 255, .86);--glass-overlay: rgba(248, 250, 252, .92);--table-row-hover: rgba(29, 78, 216, .08);--table-row-active: rgba(29, 78, 216, .14);--shadow-sm: 0 1px 3px rgba(0, 0, 0, .08);--shadow-md: 0 4px 12px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 30px rgba(0, 0, 0, .12);--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;color-scheme:light}[data-theme=dark]{--primary-blue: #60a5fa;--primary-blue-dark: #3b82f6;--accent-blue: #93c5fd;--text-primary: #e2e8f0;--text-secondary: #94a3b8;--bg-primary: #0f172a;--bg-secondary: #020617;--bg-tertiary: #1e293b;--border-color: #334155;--session-active-bg: #1e3a8a;--session-active-text: #f8fafc;--overlay-bg: rgba(2, 6, 23, .75);--glass-bg: rgba(15, 23, 42, .82);--glass-overlay: rgba(2, 6, 23, .78);--table-row-hover: rgba(59, 130, 246, .16);--table-row-active: rgba(59, 130, 246, .24);--shadow-sm: 0 1px 3px rgba(0, 0, 0, .5);--shadow-md: 0 4px 12px rgba(0, 0, 0, .55);--shadow-lg: 0 10px 30px rgba(0, 0, 0, .65);color-scheme:dark}*{box-sizing:border-box}html,body,#root{min-height:100%;max-width:100%;overflow-x:hidden}body{margin:0;min-width:320px;font-family:DM Sans,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;color:var(--text-primary);background:var(--bg-secondary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;transition:background-color .2s ease,color .2s ease}a{color:var(--primary-blue);text-decoration:none}button{font-family:inherit;appearance:none;-webkit-appearance:none;-moz-appearance:none;-webkit-tap-highlight-color:transparent;touch-action:manipulation;background-clip:padding-box}button:focus{outline:none;box-shadow:none}button::-moz-focus-inner{border:0;padding:0}.session-item button:focus{outline:none}@media(hover:none)and (pointer:coarse){button,a,input,textarea,select,[role=button]{-webkit-tap-highlight-color:transparent;outline:none;box-shadow:none}button:focus,a:focus,input:focus,textarea:focus,select:focus,[role=button]:focus,button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,[role=button]:focus-visible{outline:none!important;box-shadow:none!important}}*{margin:0;padding:0;box-sizing:border-box}body{font-family:DM Sans,-apple-system,BlinkMacSystemFont,sans-serif;color:var(--text-primary);background:var(--bg-secondary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.upload-container{display:flex;min-height:100vh;height:100dvh;background:var(--bg-secondary);overflow:hidden}.sidebar{width:280px;background:var(--bg-primary);border-right:1px solid var(--border-color);padding:32px 24px;display:flex;flex-direction:column;position:sticky;top:0;height:100dvh;min-height:100vh;overflow:hidden}.sidebar-topbar{display:flex;align-items:flex-start;justify-content:space-between;gap:10px}.sidebar-topbar .logo{margin-bottom:0}.sidebar-close-btn{display:none;width:32px;height:32px;border:1px solid var(--border-color);border-radius:8px;background:var(--bg-secondary);color:var(--text-secondary);font-size:20px;line-height:1;cursor:pointer;flex-shrink:0}.sidebar-close-btn:hover{color:var(--text-primary);border-color:var(--text-secondary)}.logo h1{font-size:32px;font-weight:700;color:var(--text-primary);margin:0;letter-spacing:-.5px}.logo{margin-bottom:48px;background:none;border:none;text-align:left;padding:0;cursor:pointer;display:inline-flex;align-self:flex-start;width:auto}.logo:focus,.logo:focus-visible{outline:none;box-shadow:none}.logo h1 span{color:var(--primary-blue)}.sessions-section{margin-top:24px;flex:1 1 auto;min-height:0;display:flex;flex-direction:column}.sessions-section h3{font-size:13px;font-weight:600;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px;margin-bottom:16px}.sessions-list{display:flex;flex-direction:column;gap:8px;flex:1 1 auto;min-height:0;overflow-y:auto;padding-right:4px}.new-session-btn{width:100%;margin-top:16px;min-height:46px;padding:11px 14px;border-radius:var(--radius-sm);border:1px solid var(--primary-blue);background:var(--primary-blue);color:#fff;font-size:15px;font-weight:700;text-align:left;cursor:pointer;transition:background .15s ease,border-color .15s ease,transform .1s ease;display:inline-flex;align-items:flex-end;gap:8px}.new-session-btn:hover{background:var(--primary-blue-dark);border-color:var(--primary-blue-dark);transform:translateY(-1px)}.new-session-icon{width:16px;height:16px;flex-shrink:0}.session-item{padding:14px 16px;background:var(--bg-tertiary);border-radius:var(--radius-sm);cursor:pointer;transition:all .2s ease;border:1px solid transparent}.session-item:hover{background:var(--bg-secondary);border-color:var(--border-color);transform:translate(2px)}.session-row{display:flex;align-items:center;gap:0;padding:0;border-radius:var(--radius-sm);background:transparent}.session-row.active{background:var(--session-active-bg)}.session-select-btn{flex:1;background:none;border:none;padding:10px 12px;cursor:pointer;text-align:left;color:inherit}.session-row.active .session-select-btn{color:var(--session-active-text)}.session-row.active .session-name,.session-row.active .session-meta{color:inherit}.session-delete-btn{flex-shrink:0;display:none;align-items:center;justify-content:center;width:24px;height:24px;margin-right:8px;background:none;border:none;border-radius:4px;color:var(--text-secondary, #94a3b8);font-size:12px;cursor:pointer;transition:background .15s,color .15s}.session-item:hover .session-delete-btn,.session-item.active .session-delete-btn{display:flex}.session-delete-btn:hover{background:#ef44441a;color:#ef4444}.session-delete-confirm{display:flex;gap:4px;padding:0 8px;flex-shrink:0}.session-confirm-btn{font-size:11px;padding:3px 7px;border-radius:4px;cursor:pointer;border:1px solid transparent}.session-confirm-btn-danger{background:var(--error-red);color:#fff;border:none;font-weight:600}.session-confirm-btn-neutral{background:transparent;color:var(--text-secondary);border-color:var(--border-color)}.session-info{display:flex;flex-direction:column;gap:4px}.session-name{font-size:15px;font-weight:600;color:var(--text-primary)}.session-meta{font-size:13px;color:var(--text-secondary)}.input-section{margin-bottom:32px;display:flex;flex-direction:column;gap:20px}.input-group{display:flex;flex-direction:column;gap:8px}.input-group label{font-size:14px;font-weight:600;color:var(--text-primary)}.title-input,.context-input{width:100%;padding:12px 16px;font-size:15px;font-family:DM Sans,sans-serif;color:var(--text-primary);background:var(--bg-primary);border:1px solid var(--border-color);border-radius:var(--radius-sm);transition:all .2s ease}.create-section{margin-top:40px;padding-top:32px;border-top:1px solid var(--border-color);display:flex;flex-direction:column;align-items:center;gap:12px}.create-button{padding:16px 48px;background:var(--primary-blue);color:#fff;border:none;border-radius:var(--radius-md);font-size:16px;font-weight:600;cursor:pointer;transition:all .2s ease;box-shadow:var(--shadow-md);min-width:240px}.create-button:hover:not(:disabled){background:var(--primary-blue-dark);transform:translateY(-2px);box-shadow:var(--shadow-lg)}.create-button:disabled{background:var(--bg-tertiary);color:var(--text-secondary);cursor:not-allowed;transform:none;box-shadow:none}.validation-message{font-size:14px;color:var(--error-red);text-align:center;font-weight:500}.title-input:focus,.context-input:focus{outline:none;border-color:var(--primary-blue);box-shadow:0 0 0 3px #1d4ed81a}.title-input::placeholder,.context-input::placeholder{color:var(--text-secondary)}.context-input{resize:vertical;min-height:80px;line-height:1.5}.main-content{flex:1;display:flex;flex-direction:column;min-height:0;height:100dvh;overflow-x:hidden;overflow-y:auto;overscroll-behavior-y:contain}.is-app-mode .main-content{padding-bottom:env(safe-area-inset-bottom,0px)}.ai-wakeup-banner{position:fixed;right:22px;bottom:20px;z-index:180;width:min(460px,calc(100vw - 24px));padding:11px 12px 11px 14px;display:flex;align-items:flex-start;gap:10px;border:1px solid color-mix(in srgb,#f59e0b 74%,#ffffff);border-radius:10px;background:linear-gradient(135deg,color-mix(in srgb,#f59e0b 36%,var(--bg-primary)),color-mix(in srgb,#f97316 30%,var(--bg-primary)));color:#2b1200;font-size:13px;font-weight:700;line-height:1.4;box-shadow:0 10px 22px #f9731633}.ai-wakeup-banner-text{flex:1 1 auto;min-width:0}.ai-wakeup-banner-close{border:0;background:transparent;color:inherit;width:24px;height:24px;display:inline-flex;align-items:center;justify-content:center;font-size:20px;line-height:1;border-radius:6px;cursor:pointer;opacity:.92;flex:0 0 auto}.ai-wakeup-banner-close:hover{background:#ffffff2e}.ai-wakeup-banner-close:focus-visible{outline:2px solid rgba(255,255,255,.85);outline-offset:1px}[data-theme=dark] .ai-wakeup-banner{border-color:#fbbf24;background:linear-gradient(135deg,#4a2c00,#7a3500);color:#fff5db;box-shadow:0 12px 28px #fbbf2447}[data-theme=dark] .ai-wakeup-banner-close:hover{background:#ffffff24}.header{background:var(--glass-bg);border-bottom:1px solid var(--border-color);padding:16px 40px 8px;display:flex;justify-content:space-between;align-items:center;position:sticky;top:0;z-index:100;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}.is-app-mode .header{padding-top:calc(16px + env(safe-area-inset-top,0px))}.tabs{display:flex;gap:0;align-items:flex-end;align-self:flex-end;padding:0;margin-bottom:-9px;overflow-x:clip;overscroll-behavior-x:none}.tab{appearance:none;-webkit-appearance:none;padding:11px 22px;font-size:15px;font-weight:700;color:#fff;background:color-mix(in srgb,var(--bg-tertiary) 86%,#8fa0b8);border:1px solid color-mix(in srgb,var(--border-color) 82%,#8fa0b8);border-bottom-color:color-mix(in srgb,var(--border-color) 88%,#8fa0b8);border-radius:10px 10px 0 0;cursor:pointer;transition:background .18s ease,border-color .18s ease;position:relative;margin:0 4px 0 0;min-width:112px;outline:none;-webkit-tap-highlight-color:transparent;-webkit-user-select:none;user-select:none;touch-action:manipulation}.tab:hover{color:#fff;background:color-mix(in srgb,var(--bg-tertiary) 72%,#94a3b8)}.tab.active{color:#fff;background:var(--bg-secondary);border-color:var(--border-color);border-bottom-color:transparent;margin-bottom:-1px;box-shadow:0 -1px color-mix(in srgb,var(--border-color) 85%,transparent);z-index:2}.tab:focus{outline:none}[data-theme=light] .tab{color:#334155;background:color-mix(in srgb,var(--bg-tertiary) 72%,#cbd5e1);border-color:color-mix(in srgb,var(--border-color) 74%,#cbd5e1)}[data-theme=light] .tab:hover{color:#1e293b;background:color-mix(in srgb,var(--bg-tertiary) 60%,#cbd5e1)}[data-theme=dark] .tab{color:#cbd5e1;background:color-mix(in srgb,var(--bg-tertiary) 92%,#64748b);border-color:color-mix(in srgb,var(--border-color) 90%,#64748b)}[data-theme=dark] .tab:hover{color:#e2e8f0;background:color-mix(in srgb,var(--bg-tertiary) 82%,#64748b)}[data-theme=light] .tab.active{color:var(--text-primary);background:var(--bg-secondary);border-color:var(--border-color);border-bottom-color:transparent}[data-theme=dark] .tab.active{color:#f8fafc;background:var(--bg-secondary);border-color:var(--border-color);border-bottom-color:transparent}.user-section{display:flex;align-items:center;gap:12px}.theme-toggle-btn{width:34px;height:34px;padding:0;border-radius:999px;border:1px solid var(--border-color);background:var(--bg-tertiary);color:var(--text-secondary);cursor:pointer;display:inline-flex;align-items:center;justify-content:center}.theme-toggle-btn:hover{background:var(--bg-secondary);color:var(--text-primary)}.theme-toggle-icon{width:16px;height:16px}.header-signout-btn{font-size:13px;padding:6px 14px;background:transparent;border:1px solid var(--border-color, #e2e8f0);border-radius:6px;cursor:pointer;color:var(--text-secondary, #64748b)}.header-signout-btn:hover{background:var(--bg-tertiary);color:var(--text-primary)}.user-avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,var(--primary-blue),var(--accent-blue));box-shadow:var(--shadow-sm)}.content-area{padding:40px;flex:1;width:100%}.upload-section h2{font-size:32px;font-weight:700;color:var(--text-primary);margin-bottom:8px;letter-spacing:-.5px}.subtitle{font-size:16px;color:var(--text-secondary);margin-bottom:32px}.drop-zone{border:2px dashed var(--border-color);border-radius:var(--radius-lg);padding:64px 40px;text-align:center;cursor:pointer;transition:all .3s ease;background:var(--bg-primary);position:relative;overflow:hidden}.drop-zone:before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,#1d4ed805,#3b82f605);opacity:0;transition:opacity .3s ease}.drop-zone:hover:before{opacity:1}.drop-zone:hover{border-color:var(--primary-blue);transform:translateY(-2px);box-shadow:var(--shadow-md)}.drop-zone.active{border-color:var(--primary-blue);background:#1d4ed80d;border-style:solid}.drop-zone.active:before{opacity:1}.upload-icon{color:var(--primary-blue);margin-bottom:20px;opacity:.8}.drop-zone h3{font-size:20px;font-weight:600;color:var(--text-primary);margin-bottom:8px}.drop-zone p{font-size:15px;color:var(--text-secondary);margin-bottom:16px}.file-types{display:inline-block;font-size:13px;color:var(--text-secondary);background:var(--bg-tertiary);padding:6px 14px;border-radius:20px;font-weight:500;font-family:Space Mono,monospace}.files-section{margin-top:40px;background:var(--bg-primary);border-radius:var(--radius-lg);padding:28px;box-shadow:var(--shadow-sm);border:1px solid var(--border-color)}.files-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px;padding-bottom:20px;border-bottom:1px solid var(--border-color)}.files-header h3{font-size:18px;font-weight:600;color:var(--text-primary)}.upload-button{padding:12px 28px;background:var(--primary-blue);color:#fff;border:none;border-radius:var(--radius-sm);font-size:15px;font-weight:600;cursor:pointer;transition:all .2s ease;box-shadow:var(--shadow-sm)}.upload-button:hover{background:var(--primary-blue-dark);transform:translateY(-1px);box-shadow:var(--shadow-md)}.upload-button:disabled{background:var(--bg-tertiary);color:var(--text-secondary);cursor:not-allowed;transform:none;box-shadow:none}.files-list{display:flex;flex-direction:column;gap:12px}.mobile-menu-btn{appearance:none;-webkit-appearance:none;display:none;width:40px;height:40px;border:1px solid var(--border-color);border-radius:10px;background:var(--bg-primary);color:var(--text-primary);font-size:20px;line-height:1;cursor:pointer;align-items:center;justify-content:center;margin-right:8px;outline:none;-webkit-tap-highlight-color:transparent;-webkit-user-select:none;user-select:none;touch-action:manipulation}.mobile-menu-btn:focus{outline:none}.sidebar-overlay,.sidebar-mobile-actions{display:none}.files-section .files-list{max-height:360px;overflow-y:auto;padding-right:6px}.session-files-section .files-list{max-height:320px;overflow-y:auto;padding-right:6px}.file-item{display:flex;align-items:center;gap:16px;padding:16px;background:var(--bg-secondary);border-radius:var(--radius-md);border:1px solid var(--border-color);transition:all .2s ease}.file-item:hover{background:var(--bg-tertiary);transform:translate(2px)}.file-item.success{background:#10b9810d;border-color:#10b98133}.file-item.error{background:#ef44440d;border-color:#ef444433}.file-preview{width:56px;height:56px;border-radius:var(--radius-sm);background:var(--bg-primary);display:flex;align-items:center;justify-content:center;flex-shrink:0;overflow:hidden;border:1px solid var(--border-color)}.file-preview img{width:100%;height:100%;object-fit:cover}.file-preview svg{color:var(--primary-blue)}.file-info{flex:1;min-width:0}.file-name{font-size:15px;font-weight:600;color:var(--text-primary);margin-bottom:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.file-meta{font-size:13px;color:var(--text-secondary);display:flex;gap:12px;align-items:center}.progress-text{font-weight:600;color:var(--primary-blue);font-family:Space Mono,monospace}.progress-bar{width:100%;height:4px;background:var(--bg-tertiary);border-radius:2px;margin-top:8px;overflow:hidden}.progress-fill{height:100%;background:linear-gradient(90deg,var(--primary-blue),var(--accent-blue));border-radius:2px;transition:width .3s ease}.file-actions{display:flex;align-items:center;gap:8px}.success-icon{color:var(--success-green)}.file-delete-btn{display:flex;align-items:center;justify-content:center;width:28px;height:28px;background:none;border:none;border-radius:6px;color:var(--text-secondary, #94a3b8);cursor:pointer;transition:background .15s,color .15s}.file-delete-btn:hover{background:#ef44441a;color:#ef4444}.error-icon{color:var(--error-red)}.spinner{color:var(--primary-blue);animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.remove-button{background:transparent;border:none;color:var(--text-secondary);cursor:pointer;padding:4px;border-radius:4px;transition:all .2s ease;display:flex;align-items:center;justify-content:center}.remove-button:hover{background:var(--bg-tertiary);color:var(--error-red)}@media(max-width:1024px){.sidebar{width:240px}.content-area{padding:32px 24px}}@media(max-width:768px){.upload-container{position:relative;width:100%;max-width:100vw;height:auto;min-height:100dvh;overflow:visible}.main-content{width:100%;max-width:100vw;height:auto;min-height:0;overflow:visible}.sidebar{width:min(320px,84vw);height:100dvh;position:fixed;top:0;left:0;z-index:220;transform:translate(-100%);transition:transform .2s ease;border-right:1px solid var(--border-color);border-bottom:none;padding:20px;overflow:hidden}.is-app-mode .sidebar{padding-top:calc(20px + env(safe-area-inset-top,0px))}.sidebar.is-open{transform:translate(0)}.sidebar-close-btn{display:inline-flex;align-items:center;justify-content:center}.sidebar-overlay{display:block;position:fixed;inset:0;z-index:210;background:#0f172a59;opacity:0;pointer-events:none;transition:opacity .2s ease;border:0;padding:0}.sidebar-overlay.is-open{opacity:1;pointer-events:auto}.logo h1{margin-bottom:0}.sessions-section{margin-top:16px}.header{padding:16px 20px;flex-direction:column;gap:10px;align-items:stretch}.is-app-mode .header{padding-top:calc(16px + env(safe-area-inset-top,0px))}.ai-wakeup-banner{right:12px;bottom:calc(12px + env(safe-area-inset-bottom,0px));width:calc(100vw - 24px);padding:10px 10px 10px 12px;gap:8px}.ai-wakeup-banner-close{width:28px;height:28px;font-size:22px}.tabs{justify-content:flex-start;width:100%;align-items:stretch;margin-bottom:0;flex-wrap:nowrap;gap:6px}.tab{flex:1 1 0;min-width:0;padding:9px 8px;font-size:13px;margin:0;text-align:center;border-radius:10px;border-bottom-color:var(--border-color)}.tab.active{margin-bottom:0;border-bottom-color:var(--border-color);box-shadow:none}[data-theme=light] .tab.active,[data-theme=dark] .tab.active{border-bottom-color:var(--border-color)}.mobile-menu-btn{display:inline-flex;flex:0 0 40px;margin-right:0}.user-section{display:none}.content-area{padding:24px 16px}.upload-section h2{font-size:24px}.drop-zone{padding:48px 24px}.files-section{padding:20px}.file-item{flex-wrap:wrap}.file-actions{width:100%;justify-content:flex-end}.sidebar-mobile-actions{display:block;margin-top:auto;padding-top:16px;border-top:1px solid var(--border-color)}.sidebar-user-label{font-size:12px;color:var(--text-secondary);margin-bottom:10px;word-break:break-word}.sidebar-action-row{display:flex;flex-direction:row;gap:8px;align-items:center}.sidebar-action-row .header-signout-btn{flex:1}}.session-files-section{margin-bottom:28px;background:var(--bg-primary);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:20px 24px;box-shadow:var(--shadow-sm)}.session-files-header{display:flex;align-items:center;gap:10px;margin-bottom:16px;padding-bottom:14px;border-bottom:1px solid 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