*,:after,:before{box-sizing:border-box;margin:0;padding:0}:root{font-size:16px;--font-xs:clamp(0.75rem,0.5vw + 0.65rem,0.875rem);--font-sm:clamp(0.875rem,0.5vw + 0.775rem,1rem);--font-base:clamp(1rem,0.5vw + 0.9rem,1.125rem);--font-lg:clamp(1.125rem,1vw + 0.925rem,1.5rem);--font-xl:clamp(1.25rem,2vw + 0.85rem,2rem);--font-xxl:clamp(1.5rem,4vw + 0.7rem,3rem);--bg-primary:#ffffff;--bg-secondary:#f9fafb;--bg-tertiary:#f3f4f6;--text-primary:#1f2937;--text-secondary:#4b5563;--text-tertiary:#6b7280;--accent-primary:#3b82f6;--accent-secondary:#2563eb;--accent-success:#10b981;--accent-warning:#f59e0b;--accent-danger:#ef4444;--border-light:#e5e7eb;--border-medium:#d1d5db;--shadow-sm:0 1px 2px rgba(0,0,0,0.05);--shadow-md:0 4px 6px rgba(0,0,0,0.05);--shadow-lg:0 10px 15px rgba(0,0,0,0.1);--radius-sm:0.375rem;--radius-md:0.5rem;--radius-lg:0.75rem;--transition:all 0.2s ease-in-out}[data-font-size=small]{font-size:14px}[data-font-size=large]{font-size:18px}[data-theme=dark]{--bg-primary:#111827;--bg-secondary:#1f2937;--bg-tertiary:#374151;--text-primary:#f9fafb;--text-secondary:#e5e7eb;--text-tertiary:#d1d5db;--accent-primary:#60a5fa;--accent-secondary:#3b82f6;--accent-success:#34d399;--accent-warning:#fbbf24;--accent-danger:#f87171;--border-light:#374151;--border-medium:#4b5563;--shadow-sm:0 1px 2px rgba(0,0,0,0.2);--shadow-md:0 4px 6px rgba(0,0,0,0.2);--shadow-lg:0 10px 15px rgba(0,0,0,0.3)}html{height:-webkit-fill-available}#__next,body{width:100%;min-height:100vh;min-height:100dvh}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica 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(min-width:768px){.mobile-header{display:none}}.sidebar-backdrop{position:fixed;top:0;left:0;right:0;bottom:0;background-color:rgba(0,0,0,.5);z-index:1010;opacity:0;pointer-events:none;transition:opacity .3s ease}.sidebar-backdrop.open{opacity:1;pointer-events:auto}.sidebar{position:fixed;top:0;left:0;bottom:0;width:300px;max-width:85vw;background-color:var(--bg-primary);z-index:1011;transform:translateX(-100%);transition:transform .3s ease;display:flex;flex-direction:column}.sidebar.open{transform:translateX(0);box-shadow:0 0 20px rgba(0,0,0,.1)}.sidebar-header{display:flex;align-items:center;justify-content:space-between;padding:max(16px,env(safe-area-inset-top)) 16px 16px;border-bottom:1px solid var(--border-light);flex-shrink:0}.sidebar-title{font-size:var(--font-lg);font-weight:600}.sidebar-close-button{font-size:28px;color:var(--text-tertiary);width:32px;height:32px}.sidebar-content{padding:16px;overflow-y:auto;flex-grow:1}.sidebar-user{display:flex;align-items:center;gap:12px;padding:12px;background-color:var(--bg-secondary);border-radius:var(--radius-md);margin-bottom:16px}.sidebar-user-avatar{width:40px;height:40px;border-radius:50%;background-color:var(--accent-primary);color:white;display:flex;align-items:center;justify-content:center;font-weight:600;flex-shrink:0}.sidebar-user-details{display:flex;flex-direction:column;overflow:hidden}.sidebar-user-name{font-size:var(--font-sm);font-weight:500;color:var(--text-primary)}.sidebar-user-email,.sidebar-user-name{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.sidebar-user-email{font-size:var(--font-xs);color:var(--text-secondary)}.sidebar-nav{display:flex;flex-direction:column;gap:4px;margin-bottom:24px}.sidebar-nav-item{display:flex;align-items:center;gap:12px;padding:12px;border-radius:var(--radius-md);font-size:var(--font-base);color:var(--text-primary);text-align:left}.sidebar-nav-item:hover{background-color:var(--bg-tertiary)}.sidebar-theme-toggle{display:flex;align-items:center;justify-content:space-between;padding:12px;background-color:var(--bg-secondary);border-radius:var(--radius-md);font-size:var(--font-sm)}.sidebar-footer{padding:16px 16px max(16px,env(safe-area-inset-bottom));border-top:1px solid var(--border-light);flex-shrink:0}.sidebar-signout-button{width:100%;padding:12px;border-radius:var(--radius-md);background-color:var(--bg-tertiary);color:var(--accent-danger);font-size:var(--font-base);font-weight:500;text-align:center}.sidebar-signout-button:hover{background-color:var(--border-light)}.page-container{width:100%;max-width:1200px;margin:0 auto;padding:16px max(16px,env(safe-area-inset-right)) 120px max(16px,env(safe-area-inset-left))}@media (min-width:768px){.page-container{padding:32px}}.navbar{position:fixed;bottom:0;left:0;right:0;height:80px;background-color:var(--bg-primary);border-top:1px solid var(--border-light);box-shadow:0 -4px 15px rgba(0,0,0,.05);display:flex;align-items:center;justify-content:space-between;padding:0 max(16px,env(safe-area-inset-right)) env(safe-area-inset-bottom) max(16px,env(safe-area-inset-left));z-index:1000;gap:8px;flex-shrink:0}[data-theme=dark] .navbar{background-color:var(--bg-secondary);box-shadow:0 -4px 15px rgba(0,0,0,.2)}.nav-add-button-left{display:flex;align-items:center;justify-content:center;width:56px;height:56px;font-size:28px;font-weight:500;background:linear-gradient(135deg,var(--accent-secondary),var(--accent-primary));color:white;border-radius:16px;border:none;box-shadow:var(--shadow-lg);cursor:pointer;flex-shrink:0;transition:all .2s ease}.nav-add-button-left:hover{transform:scale(1.05)}.nav-items-main{justify-content:space-around;flex-grow:1}.nav-item,.nav-items-main{display:flex;align-items:center}.nav-item{flex-direction:column;justify-content:center;gap:4px;font-size:var(--font-xs);color:var(--text-tertiary);text-decoration:none;border-radius:var(--radius-md);width:56px;height:60px;transition:all .2s ease;cursor:pointer}.nav-item-icon{font-size:24px;line-height:1}.nav-item-label{display:block;font-size:10px;line-height:1.2}.nav-item.active{color:var(--accent-primary);background-color:var(--bg-tertiary)}[data-theme=dark] .nav-item.active{background-color:var(--bg-primary)}@media (min-width:768px){.navbar,.sidebar-backdrop{display:none}.sidebar{transform:translateX(0);position:sticky;height:100vh;box-shadow:none;border-right:1px solid var(--border-light);transition:none}.sidebar-header{padding-top:16px}.sidebar-close-button{display:none}.sidebar-footer{padding-bottom:16px}body{display:flex}.page-container{flex-grow:1;padding:32px;height:100vh;overflow-y:auto}}h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.3;color:var(--text-primary)}h1{font-size:var(--font-xxl)}h2{font-size:var(--font-xl)}h3{font-size:var(--font-lg)}button,input,select,textarea{font-family:inherit;font-size:inherit}button{cursor:pointer;border:none;background:none;transition:var(--transition)}button:disabled{cursor:not-allowed;opacity:.6}.toggle-switch{position:relative;display:inline-block;width:44px;height:24px;min-width:44px}.toggle-switch input{opacity:0;width:0;height:0}.toggle-slider{cursor:pointer;top:0;left:0;right:0;bottom:0;background-color:var(--border-medium);border-radius:24px}.toggle-slider,.toggle-slider:before{position:absolute;transition:var(--transition)}.toggle-slider:before{content:"";height:18px;width:18px;left:3px;bottom:3px;background-color:white;border-radius:50%}input:checked+.toggle-slider{background-color:var(--accent-primary)}input:checked+.toggle-slider:before{transform:translateX(20px)}input:focus-visible+.toggle-slider{outline:2px solid var(--accent-primary);outline-offset:2px}@keyframes spin{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slide-up-in{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.animate-fadeIn{animation:fadeIn .2s ease-out}.animate-spin{animation:spin 1s linear infinite}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background-color:rgba(0,0,0,.5);display:flex;align-items:center;justify-content:center;z-index:1000;animation:fadeIn .2s ease-out}.message-bubble{padding:7px 12px;border-radius:20px;max-width:80%;line-height:1.5;word-wrap:break-word;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;-webkit-tap-highlight-color:transparent}.message-user{align-self:flex-end;background-color:var(--accent-primary);color:white;border-bottom-right-radius:4px}.message-assistant{align-self:flex-start;border:1px solid var(--border-light);border-bottom-left-radius:4px}.message-assistant,[data-theme=dark] .message-assistant{background-color:var(--bg-tertiary);color:var(--text-primary)}[data-theme=dark] .message-assistant{border-color:var(--border-medium)}.message-timestamp{font-size:10px;opacity:.7;margin-top:4px;text-align:right}.message-assistant .message-timestamp{text-align:left}.chat-confirm-modal{background-color:var(--bg-primary);border:1px solid var(--border-light);border-radius:var(--radius-lg);padding:24px;width:90%;max-width:400px;box-shadow:var(--shadow-lg);text-align:center;animation:slide-up-in .2s ease-out}.chat-confirm-title{font-size:var(--font-lg);font-weight:600;color:var(--text-primary);margin-bottom:12px}.chat-confirm-text{font-size:var(--font-sm);color:var(--text-secondary);margin-bottom:24px}.chat-confirm-buttons{display:flex;gap:12px}.chat-confirm-button{flex:1;padding:12px;font-size:16px;font-weight:500;border-radius:var(--radius-md);border:none;cursor:pointer;min-height:44px}.chat-confirm-button-danger{background-color:var(--accent-danger);color:white}.chat-confirm-button-cancel{background-color:var(--bg-tertiary);color:var(--text-primary)}@media (prefers-reduced-motion:reduce){*,:after,:before{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--accent-primary);outline-offset:2px}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:var(--bg-tertiary);border-radius:4px}::-webkit-scrollbar-thumb{background:var(--border-medium);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--text-tertiary)}::-moz-selection{background-color:var(--accent-primary);color:white}::selection{background-color:var(--accent-primary);color:white}@keyframes toast-in{0%{opacity:0;transform:translateY(-100%)}to{opacity:1;transform:translateY(0)}}@keyframes toast-out{0%{opacity:1;transform:translateY(0)}to{opacity:0;transform:translateY(-100%)}}.toast-container{position:fixed;top:20px;left:50%;transform:translateX(-50%);z-index:2000;padding:12px 20px;border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);font-size:var(--font-sm);font-weight:500;animation:toast-in .3s ease}.toast-message{display:flex;align-items:center;gap:8px}.toast-container.success{background-color:#10b981;color:white}.toast-container.error{background-color:#ef4444;color:white}.toast-container.info{background-color:#3b82f6;color:white}.sidebar-badge{margin-left:auto;background-color:var(--accent-danger);color:white;font-size:12px;font-weight:600;border-radius:50%;width:24px;height:24px;display:flex;align-items:center;justify-content:center;line-height:1}.progress-bar-container{width:100%;height:10px;background-color:var(--bg-tertiary);border-radius:var(--radius-sm);overflow:hidden}.progress-bar-fill{height:100%;background-color:var(--accent-primary);border-radius:var(--radius-sm);transition:width .4s ease}.chat-page-container{height:100vh;height:100dvh;display:flex;flex-direction:column}.chat-messages-wrapper{flex:1;overflow-y:auto;padding-bottom:24px}.chat-welcome-message{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--text-tertiary);min-height:200px}.chat-message-content p{margin:0;padding:0}.chat-message-content ul{list-style-type:disc;padding-left:20px;margin-top:8px;margin-bottom:8px;list-style-position:outside}.chat-message-content li{margin-bottom:4px}.chat-message-content strong{font-weight:600}.chat-message-content em{font-style:italic}[data-theme=dark] .chat-message-content ul{list-style-type:"• "}.context-menu-button{display:block;width:100%;padding:8px 12px;text-align:left;color:var(--text-primary);font-size:var(--font-sm);border-radius:var(--radius-sm)}.context-menu-button:hover{background-color:var(--bg-tertiary)}.search-highlight{background-color:var(--accent-warning);color:var(--text-primary);border-radius:3px;padding:0 2px}[data-theme=dark] .search-highlight{background-color:#f59e0b;color:#1f2937}.chat-action-icon{background-color:var(--bg-tertiary);color:var(--text-secondary);border-radius:50%;padding:6px;cursor:pointer;border:1px solid var(--border-light);display:flex;align-items:center;justify-content:center;transition:background-color .2s ease;-webkit-tap-highlight-color:transparent}.chat-action-icon:hover{background-color:var(--border-light);color:var(--text-primary)}.chat-scroll-down-button{position:fixed;bottom:150px;right:24px;width:44px;height:44px;background-color:var(--bg-tertiary);color:var(--text-secondary);border:1px solid var(--border-light);border-radius:50%;box-shadow:var(--shadow-md);display:flex;align-items:center;justify-content:center;cursor:pointer;z-index:900;transition:all .2s ease;-webkit-tap-highlight-color:transparent;animation:fadeIn .2s ease-out}.chat-scroll-down-button:hover{background-color:var(--border-light);color:var(--text-primary)}[data-theme=dark] .chat-scroll-down-button{background-color:var(--bg-secondary)}[data-theme=dark] .chat-scroll-down-button:hover{background-color:var(--border-medium)}.chat-date-separator{display:flex;justify-content:center;align-items:center;padding:12px 0;width:100%;pointer-events:none}.chat-date-separator span{background-color:var(--bg-tertiary);color:var(--text-secondary);font-size:12px;font-weight:500;padding:4px 12px;border-radius:12px;box-shadow:var(--shadow-sm)}[data-theme=dark] .chat-date-separator span{background-color:var(--bg-secondary);color:var(--text-tertiary)}