body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}code{font-family:source-code-pro,Menlo,Monaco,Consolas,Courier New,monospace}.App{text-align:center}.App-logo{height:40vmin;pointer-events:none}@media(prefers-reduced-motion:no-preference){.App-logo{animation:App-logo-spin infinite 20s linear}}.App-header{background-color:#282c34;min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;font-size:calc(10px + 2vmin);color:#fff}.App-link{color:#61dafb}@keyframes App-logo-spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.container{max-width:1200px;margin:0 auto;padding:20px}header{background:#fff;border-bottom:1px solid #e5e7eb;padding:16px 0;margin-bottom:32px;position:sticky;top:0;z-index:100}.header-content{max-width:1200px;margin:0 auto;padding:0 20px;display:flex;justify-content:space-between;align-items:center;gap:20px}.logo{font-size:24px;font-weight:700;color:#2563eb;white-space:nowrap}.btn-primary{background:#2563eb;color:#fff;border:none;padding:10px 20px;border-radius:8px;font-size:14px;font-weight:500;transition:background .2s;white-space:nowrap}.filter-section{background:#fff;border-radius:12px;padding:16px 20px;margin-bottom:24px;display:flex;justify-content:space-between;align-items:center;box-shadow:0 1px 3px rgba(0,0,0,.08);flex-wrap:wrap;gap:8px}.page-title{font-size:24px;font-weight:700;color:#1a1a1a}.filter-tabs{display:flex;gap:8px}.filter-tab{background:none;border:1px solid #e5e7eb;padding:8px 16px;border-radius:8px;font-size:14px;font-weight:500;color:#6b7280;cursor:pointer;transition:all .2s}.filter-tab:hover{background:#f9fafb;border-color:#2563eb;color:#2563eb}.question-item{background:#fff;border-radius:12px;padding:20px 20px 5px;box-shadow:0 1px 3px rgba(0,0,0,.08);transition:box-shadow .2s}.question-item:hover{box-shadow:0 4px 6px rgba(0,0,0,.12)}.question-header{display:flex;gap:16px;margin-bottom:12px}.stats{display:flex;flex-direction:column;gap:12px;min-width:100px}.stat-item{display:flex;align-items:center;gap:8px;font-size:13px;color:#6b7280}.stat-number{font-weight:600;font-size:16px;color:#1a1a1a;min-width:30px}.stat-item.has-answer,.stat-item.has-answer .stat-number{color:#10b981}.question-title{font-size:18px;font-weight:600;color:#1a1a1a;margin-bottom:8px;line-height:1.4}.question-title:hover{color:#2563eb}.question-excerpt{color:#6b7280;font-size:14px;margin-bottom:12px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.question-footer{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px}.tag{background:#eff6ff;color:#2563eb;padding:4px 12px;border-radius:6px;font-size:12px;font-weight:500;text-decoration:none}.tag:hover{cursor:pointer;background-color:#b4d9ee}.avatar{width:24px;height:24px;border-radius:50%;background:linear-gradient(135deg,#667eea,#764ba2)}.pagination{display:flex;justify-content:center;gap:8px;margin-top:32px;padding:20px}.page-btn{background:#fff;border:1px solid #e5e7eb;padding:8px 14px;border-radius:8px;font-size:14px;font-weight:500;color:#6b7280;cursor:pointer;transition:all .2s}.page-btn:hover{background:#f9fafb;border-color:#2563eb;color:#2563eb}.page-btn.active{background:#2563eb;border-color:#2563eb;color:#fff}.page-btn:disabled{opacity:.5;cursor:not-allowed}.empty-state{background:#fff;border-radius:12px;padding:60px 20px;text-align:center;box-shadow:0 1px 3px rgba(0,0,0,.08)}.empty-state h3{font-size:20px;color:#1a1a1a;margin-bottom:8px}.empty-state p{color:#6b7280;margin-bottom:20px}@media(max-width:768px){.header-content{flex-wrap:wrap}.search-bar{order:3;max-width:100%;width:100%}.question-header{flex-direction:column}.stats{flex-direction:row;width:100%}.filter-section{flex-direction:column;align-items:flex-start;padding:8px 20px 16px}.filter-tabs{width:100%;overflow-x:auto}.question-item{padding:8px 20px 4px}}.sidebar{width:260px;flex-shrink:0;transition:transform .3s ease}.sidebar.mobile-hidden{transform:translate(0)}.sidebar-content{background:#fff;border-radius:12px;padding:16px;box-shadow:0 1px 3px rgba(0,0,0,.08);position:sticky;top:88px;max-height:calc(100vh - 108px);overflow-y:auto}.sidebar-title{font-size:14px;font-weight:700;color:#6b7280;text-transform:uppercase;letter-spacing:.5px;margin-bottom:12px;padding:0 8px}.category-list{display:flex;flex-direction:column;gap:4px}.category-item{display:flex;align-items:center;justify-content:space-between;padding:10px 12px;border-radius:8px;cursor:pointer;transition:all .2s;color:#4b5563;font-size:14px;font-weight:500;text-decoration:none}.category-item:hover{background:#f3f4f6}.category-item.active{background:#eff6ff;color:#2563eb}.category-left{display:flex;align-items:center;gap:10px}.category-icon{font-size:18px;width:24px;text-align:center}.category-count{font-size:13px;color:#9ca3af;background:#f3f4f6;padding:2px 8px;border-radius:12px;font-weight:600}.category-item.active .category-count{background:#dbeafe;color:#2563eb}.sidebar-divider{height:1px;background:#e5e7eb;margin:12px 0}.no-style-link,.no-style-link:link,.no-style-link:visited,.no-style-link:hover,.no-style-link:active{text-decoration:none;color:inherit}@media(max-width:968px){.sidebar{position:fixed;top:0;left:0;height:100vh;background:#fff;z-index:99;transform:translate(-100%);box-shadow:2px 0 8px rgba(0,0,0,.1);overflow:auto}.sidebar.mobile-visible{transform:translate(0)}.sidebar-content{top:142px;max-height:calc(100dvh - 162px)}.category-item{padding:5px 12px}}.question-list{display:flex;flex-direction:column;gap:16px}@media(max-width:968px){.menu-toggle{display:block}.header-nav{display:none}.main-layout{padding:20px 16px}.user-name{display:none}}@media(max-width:768px){.header-content{flex-wrap:wrap}.search-bar{order:3;max-width:100%;width:100%}.question-header{flex-direction:column}.stats{flex-direction:row;width:100%}.filter-section{flex-direction:column;align-items:flex-start}.filter-tabs{width:100%;overflow-x:auto}}.no-style-link,.no-style-link:link,.no-style-link:visited,.no-style-link:hover,.no-style-link:active{text-decoration:none;color:#6b7280}.filter-tab{background:none;border:1px solid #e5e7eb;padding:5px 10px;border-radius:8px;font-size:14px;font-weight:450;cursor:pointer;transition:all .2s}.filter-tab.active{background:#eff6ff;border-color:#2563eb;color:#2563eb}.main-layout{display:flex;max-width:1400px;margin:0 auto;padding:0;gap:24px;align-items:flex-start}.main-content{flex:1;min-width:0}.container{max-width:1000px;margin:0 auto;padding:20px}.main-content ul,.main-content ol,.container ul,.container ol{padding-left:40px}header{background:#fff;border-bottom:1px solid #e5e7eb;padding:16px 0;margin-bottom:32px}.header-content{max-width:1000px;margin:0 auto;padding:0 20px;display:flex;justify-content:space-between;align-items:center}.logo{font-size:24px;font-weight:700;color:#2563eb}.btn-primary{background:#2563eb;color:#fff;border:none;padding:10px 20px;border-radius:8px;font-size:14px;font-weight:500;cursor:pointer;transition:background .2s;margin-left:2px;margin-right:2px}.question-card{background:#fff;border-radius:12px;padding:24px;margin-bottom:24px;box-shadow:0 1px 3px rgba(0,0,0,.08)}.question-header{display:flex;gap:20px}.vote-section{display:flex;flex-direction:column;align-items:center;gap:8px;min-width:40px}.vote-btn{background:none;border:none;cursor:pointer;color:#6b7280;font-size:20px;padding:4px;transition:color .2s}.vote-btn.active,.vote-btn:hover{color:#2563eb}.vote-count{font-weight:600;font-size:18px;color:#1a1a1a}.vote-breakdown{font-size:11px;color:#9ca3af;margin-top:2px}.question-content{flex:1}.question-title{font-size:20px;font-weight:600;color:#1a1a1a;margin-bottom:12px;line-height:1.4}.question-body{color:#4b5563;margin-bottom:16px}.question-meta{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px}.tags{display:flex;gap:8px;flex-wrap:wrap}.tag{background:#eff6ff;color:#2563eb;padding:4px 12px;border-radius:6px;font-size:13px;font-weight:500}.user-info{display:flex;align-items:center;gap:8px;font-size:13px;color:#6b7280}.avatar{width:32px;height:32px;border-radius:50%;background:linear-gradient(135deg,#667eea,#764ba2)}.edit-info{font-size:12px;color:#9ca3af;margin-top:8px;font-style:italic}.answers-section{background:#fff;border-radius:12px;padding:24px;margin-bottom:24px;box-shadow:0 1px 3px rgba(0,0,0,.08)}.section-title{font-size:18px;font-weight:600;margin-bottom:20px;color:#1a1a1a}.answer:last-child{border-bottom:none}.answer-header2{display:flex;flex-direction:column}@media(min-width:768px){.answer-header2{flex-direction:row}.answer-header2>*+*{margin-left:1.5rem}}.answer-header{font-size:1.5rem;font-weight:700;color:#1f2937;border-bottom:1px solid #e5e7eb;padding-bottom:.5rem;margin-bottom:2rem}.answer-list>*+*{margin-top:1.5rem}.answer_accepted{background-color:rgba(34,197,94,.05);padding:1.5rem;border-radius:.75rem;box-shadow:0 4px 6px -1px rgba(0,0,0,.1),0 2px 4px -2px rgba(0,0,0,.1);border:2px solid #22c55e}.answer{background-color:#fff;padding:1.5rem;border-radius:.75rem;box-shadow:0 4px 6px -1px rgba(0,0,0,.1),0 2px 4px -2px rgba(0,0,0,.1);border:1px solid #e5e7eb}.answer_content{width:100%}.answer-body{color:#4b5563;margin-bottom:12px}.answer-actions{display:flex;gap:16px;margin-top:12px}.action-btn{background:none;border:none;color:#6b7280;font-size:13px;cursor:pointer;padding:4px 8px;transition:color .2s}.action-btn:hover{color:#2563eb}.comments{margin-top:1.5rem;padding-top:1rem;border-top:1px solid #e5e7eb}.comments.cmt_answer_accepted{border-top:1px solid rgba(34,197,94,.3)}.comments>*+*{margin-top:.75rem}.comment{font-size:.875rem;color:#4b5563;background-color:#fff;padding:.25rem .5rem;border-radius:.5rem;box-shadow:0 1px 2px rgba(0,0,0,.05);display:flex;justify-content:space-between;border:1px dotted #dcdee2}.comment.cmt_answer_accepted{background-color:#fff}.comment-author{color:#2563eb;font-weight:500}.answer-form{background:#fff;border-radius:12px;padding:24px;box-shadow:0 1px 3px rgba(0,0,0,.08)}textarea{width:100%;min-height:120px;padding:12px;border:1px solid #e5e7eb;border-radius:8px;font-family:inherit;font-size:14px;resize:vertical;margin-bottom:12px}textarea:focus{outline:none;border-color:#2563eb}.accepted{color:#10b981;font-weight:600}.acceptedbtn{color:#22c55e;font-weight:700;margin-bottom:.75rem;display:flex;align-items:center}@media(max-width:640px){.question-header{flex-direction:column;gap:12px}.vote-section{flex-direction:row;justify-content:center}.comments{padding-left:20px}}.accept-btn{background:#fff;border:2px solid #e5e7eb;width:40px;height:40px;border-radius:50%;cursor:pointer;font-size:24px;color:#d1d5db;transition:all .2s;display:flex;align-items:center;justify-content:center;flex-shrink:0}.accept-btn:hover{border-color:#10b981;color:#10b981;transform:scale(1.1)}.accept-btn.accepted{background:#10b981;border-color:#10b981;color:#fff}.accept-btn.accepted:hover{background:#059669;border-color:#059669}.btn-edit{background:#fff;color:#6b7280;border:1px solid #e5e7eb;padding:6px 14px;border-radius:6px;font-size:13px;font-weight:500;cursor:pointer;transition:all .2s;display:inline-flex;align-items:center;gap:6px}.btn-edit:hover{background:#f9fafb;border-color:#2563eb;color:#2563eb}.btn-delete{background:#fff;color:#ef4444;border:1px solid white;padding:6px 14px;border-radius:6px;font-size:13px;font-weight:500;cursor:pointer;transition:all .2s;display:inline-flex;align-items:center;gap:6px}.btn-delete:hover{background:#fef2f2;border-color:#ef4444;border:1px solid #e5e7eb}.btn.btn-small{padding:3px 6px;font-size:12px}.editor-preview{width:100%;height:20rem;padding:1rem;background-color:#fff;border:1px solid #d1d5db;border-radius:.5rem;box-shadow:0 4px 6px -1px rgba(0,0,0,.1),0 2px 4px -2px rgba(0,0,0,.1);overflow-y:auto;color:#1f2937}pre code.hljs{display:block;overflow-x:auto;padding:1em}code.hljs{padding:3px 5px}.hljs{color:#24292e;background:#fff}.hljs-doctag,.hljs-keyword,.hljs-meta .hljs-keyword,.hljs-template-tag,.hljs-template-variable,.hljs-type,.hljs-variable.language_{color:#d73a49}.hljs-title,.hljs-title.class_,.hljs-title.class_.inherited__,.hljs-title.function_{color:#6f42c1}.hljs-attr,.hljs-attribute,.hljs-literal,.hljs-meta,.hljs-number,.hljs-operator,.hljs-variable,.hljs-selector-attr,.hljs-selector-class,.hljs-selector-id{color:#005cc5}.hljs-regexp,.hljs-string,.hljs-meta .hljs-string{color:#032f62}.hljs-built_in,.hljs-symbol{color:#e36209}.hljs-comment,.hljs-code,.hljs-formula{color:#6a737d}.hljs-name,.hljs-quote,.hljs-selector-tag,.hljs-selector-pseudo{color:#22863a}.hljs-subst{color:#24292e}.hljs-section{color:#005cc5;font-weight:700}.hljs-bullet{color:#735c0f}.hljs-emphasis{color:#24292e;font-style:italic}.hljs-strong{color:#24292e;font-weight:700}.hljs-addition{color:#22863a;background-color:#f0fff4}.hljs-deletion{color:#b31d28;background-color:#ffeef0}.markdown-editor{width:100%;border:1px solid #d1d5db;border-radius:12px;background-color:#fff;display:flex;flex-direction:column;font-family:sans-serif}.markdown-editor .toolbar{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:8px;border-bottom:1px solid #e5e7eb;background-color:#f9fafb;border-top-left-radius:12px;border-top-right-radius:12px}.markdown-editor .toolbar button{padding:4px 8px;border:none;background:#f3f4f6;border-radius:6px;cursor:pointer;font-size:14px}.markdown-editor .toolbar button:hover{background-color:#e5e7eb}.markdown-editor textarea{width:100%;padding:12px;font-family:monospace;font-size:14px;border:none;outline:none;resize:vertical;min-height:200px}.markdown-editor .preview{border-top:1px solid #e5e7eb;padding:12px;background-color:#f9fafb;border-bottom-left-radius:12px;border-bottom-right-radius:12px;overflow-y:auto}.markdown-editor .preview pre{position:relative;background-color:#e5e7eb;padding:12px;border-radius:6px;overflow-x:auto;white-space:pre-wrap;word-wrap:break-word}.markdown-editor .preview code{font-family:monospace;display:block;line-height:1.5}.markdown-editor .preview .copy-btn{position:absolute;top:4px;right:4px;padding:2px 6px;font-size:12px;background:#3b82f6;color:#fff;border:none;border-radius:4px;cursor:pointer}.markdown-editor .preview .copy-btn:hover{background:#2563eb}.toolbar-separator{width:1px;background:#e5e7eb;margin:0 8px}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;background:#f8f9fa;color:#1a1a1a;line-height:1.6}.fullpage{min-height:100vh;background-color:#f9fafb}.logo{font-size:24px;font-weight:700;color:#2563eb;cursor:pointer}.nav-link{color:#6b7280;text-decoration:none;font-size:14px;font-weight:500;transition:color .2s}.nav-link:hover{color:#2563eb}.user-avatar{width:32px;height:32px;border-radius:50%;background:linear-gradient(135deg,#667eea,#764ba2);cursor:pointer}.container{max-width:900px;margin:0 auto;padding:32px 20px}.page-header{margin-bottom:32px}.page-title{font-size:32px;font-weight:700;color:#1a1a1a;margin-bottom:8px}.page-subtitle{font-size:16px;color:#6b7280}.form-card{background:#fff;border-radius:12px;padding:32px;box-shadow:0 1px 3px rgba(0,0,0,.08);margin-bottom:20px}.form-group{margin-bottom:24px}.form-label{display:block;font-size:14px;font-weight:600;color:#1a1a1a;margin-bottom:8px}.form-label .required{color:#ef4444}.form-hint{font-size:13px;color:#6b7280;margin-top:6px}.form-input{width:100%;padding:12px 16px;border:1px solid #e5e7eb;border-radius:8px;font-size:14px;font-family:inherit;transition:border-color .2s}.form-input:focus{outline:none;border-color:#2563eb}.form-textarea{min-height:200px;resize:vertical;font-family:inherit}.form-select{width:100%;padding:12px 16px;border:1px solid #e5e7eb;border-radius:8px;font-size:14px;background:#fff;cursor:pointer;transition:border-color .2s}.form-select:focus{outline:none;border-color:#2563eb}.tag-input-container{border:1px solid #e5e7eb;border-radius:8px;padding:8px;min-height:50px;display:flex;flex-wrap:wrap;gap:8px;align-items:center;transition:border-color .2s}.tag-input-container:focus-within{border-color:#2563eb}.selected-tag{display:inline-flex;align-items:center;gap:6px;background:#eff6ff;color:#2563eb;padding:6px 12px;border-radius:6px;font-size:13px;font-weight:500}.remove-tag{background:none;border:none;color:#2563eb;cursor:pointer;font-size:16px;line-height:1;padding:0;display:flex;align-items:center}.remove-tag:hover{color:#1d4ed8}.tag-input{border:none;outline:none;padding:6px;font-size:14px;flex:1;min-width:150px}.tag-autocomplete{position:relative}.tag-suggestions{position:absolute;top:calc(100% + 4px);left:0;right:0;background:#fff;border:1px solid #e5e7eb;border-radius:8px;box-shadow:0 4px 6px rgba(0,0,0,.1);max-height:250px;overflow-y:auto;z-index:10}.tag-suggestions.show{display:block}.tag-suggestion-item{padding:12px 16px;cursor:pointer;transition:background .2s;border-bottom:1px solid #f3f4f6}.tag-suggestion-item:last-child{border-bottom:none}.tag-suggestion-item:hover{background:#f9fafb}.tag-name{font-weight:500;color:#2563eb}.tag-count{font-size:12px;color:#9ca3af;margin-left:8px}.create-new-tag{color:#10b981;font-style:italic}.tag-warning{background:#fef3c7;border:1px solid #fbbf24;border-radius:6px;padding:12px;margin-top:8px;font-size:13px;color:#92400e;display:none}.tag-warning.show{display:block}.tag-limit-info{font-size:12px;color:#6b7280;margin-top:8px}.form-actions{display:flex;gap:12px;margin-top:32px}.btn-primary{background:#2563eb;color:#fff;border:none;padding:12px 24px;border-radius:8px;font-size:14px;font-weight:500;cursor:pointer;transition:background .2s}.btn-secondary{background:#fff;color:#6b7280;border:1px solid #e5e7eb;padding:12px 24px;border-radius:8px;font-size:14px;font-weight:500;cursor:pointer;transition:all .2s}.btn-secondary:hover{background:#f9fafb;border-color:#2563eb;color:#2563eb}.tips-card{background:#eff6ff;border:1px solid #bfdbfe;border-radius:12px;padding:20px;margin-bottom:20px}.tips-title{font-size:16px;font-weight:600;color:#1e40af;margin-bottom:12px}.tips-list{list-style:none;font-size:14px;color:#1e40af}.tips-list li{padding-left:24px;position:relative;margin-bottom:8px}.tips-list li:before{content:"✓";position:absolute;left:0;color:#2563eb;font-weight:700}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.5);display:flex;align-items:center;justify-content:center;z-index:1000}.modal-overlay.show{display:flex}.modal{background:#fff;border-radius:12px;padding:24px;max-width:500px;width:90%;box-shadow:0 20px 25px rgba(0,0,0,.15)}.modal-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.modal-title{font-size:20px;font-weight:600;color:#1a1a1a}.modal-close{background:none;border:none;font-size:24px;color:#9ca3af;cursor:pointer;padding:0;width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:6px;transition:all .2s}.modal-close:hover{background:#f3f4f6;color:#4b5563}.modal-body{margin-bottom:20px}.modal-tag-preview{background:#eff6ff;border:2px solid #2563eb;padding:12px 16px;border-radius:8px;margin-bottom:16px;text-align:center}.modal-tag-name{font-size:18px;font-weight:600;color:#2563eb}.modal-hint{font-size:13px;color:#6b7280;margin-bottom:16px;line-height:1.5}.modal-actions{display:flex;gap:12px;justify-content:flex-end}@media(max-width:768px){.header-nav{display:none}.form-card{padding:20px}.page-title{font-size:24px}.form-actions{flex-direction:column}.form-actions button{width:100%}.modal{width:95%;padding:20px}.modal-actions{flex-direction:column}.modal-actions button{width:100%}}.profile-container{max-width:800px;margin:2rem auto;padding:2rem;background-color:#fff;border-radius:8px;box-shadow:0 2px 4px rgba(0,0,0,.1)}.profile-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:2rem;padding-bottom:1rem;border-bottom:1px solid #eee}.avatar-section{display:flex;align-items:center;gap:1.5rem}.profile-avatar{width:100px;height:100px;border-radius:50%;object-fit:cover;border:3px solid #fff;box-shadow:0 2px 4px rgba(0,0,0,.1)}.signout-button{padding:.5rem 1rem;background-color:#dc3545;color:#fff;border:none;border-radius:4px;cursor:pointer;transition:background-color .2s}.signout-button:hover{background-color:#c82333}.info-section{background-color:#f8f9fa;padding:1.5rem;border-radius:6px}.info-section h3{margin-top:0;margin-bottom:1rem;color:#333}.info-item{margin-bottom:1rem}.info-item label{font-weight:700;color:#666;margin-right:.5rem}.info-item p{margin:.5rem 0;color:#333}header{background:#fff;border-bottom:1px solid #e5e7eb;padding:16px 0;position:sticky;top:0;z-index:100}.header-content{max-width:1400px;margin:0 auto;padding:0 20px;display:flex;justify-content:space-between;align-items:center;gap:20px}.header-left{display:flex;align-items:center;gap:16px}.menu-toggle{display:none;background:none;border:none;font-size:24px;cursor:pointer;color:#6b7280;padding:4px}.logo{font-size:24px;font-weight:700;color:#2563eb;white-space:nowrap;cursor:pointer;text-decoration:none}.header-nav{display:flex;align-items:center;gap:24px}.nav-link{color:#6b7280;text-decoration:none;font-size:14px;font-weight:500;transition:color .2s;white-space:nowrap}.nav-link:hover,.nav-link.active{color:#2563eb}.header-right{display:flex;align-items:center;gap:16px;position:relative}.user-menu{position:relative}.user-button{display:flex;align-items:center;gap:8px;background:none;border:1px solid #e5e7eb;padding:6px 12px;border-radius:8px;cursor:pointer;transition:all .2s}.user-button:hover{background:#f9fafb;border-color:#2563eb}.user-avatar{width:28px;height:28px;border-radius:50%;background:linear-gradient(135deg,#667eea,#764ba2)}.user-name{font-size:14px;font-weight:500;color:#4b5563}.dropdown-arrow{font-size:12px;color:#9ca3af}.user-dropdown{position:absolute;top:calc(100% + 8px);right:0;background:#fff;border:1px solid #e5e7eb;border-radius:8px;box-shadow:0 4px 6px rgba(0,0,0,.1);min-width:200px;display:none;z-index:1000}.user-dropdown.show{display:block}.dropdown-item{display:flex;align-items:center;gap:12px;padding:12px 16px;color:#4b5563;text-decoration:none;font-size:14px;transition:background .2s;cursor:pointer}.dropdown-item:first-child{border-radius:8px 8px 0 0}.dropdown-item:last-child{border-radius:0 0 8px 8px}.dropdown-item:hover{background:#f9fafb}.dropdown-divider{height:1px;background:#e5e7eb;margin:4px 0}.dropdown-item.logout{color:#ef4444}.login-button{background:#fff;color:#2563eb;border:1px solid #2563eb;padding:8px 16px;border-radius:8px;font-size:14px;font-weight:500;cursor:pointer;transition:all .2s}.login-button:hover{background:#eff6ff}.search-bar{flex:1;max-width:600px}.search-input{width:100%;padding:10px 16px;border:1px solid #e5e7eb;border-radius:8px;font-size:14px;transition:border-color .2s}.btn-primary{background:#2563eb;color:#fff;border:none;padding:10px 20px;border-radius:8px;font-size:14px;font-weight:500;cursor:pointer;transition:background .2s;white-space:nowrap}.btn-primary:hover{background:#1d4ed8}.search-container{position:relative;flex:1;max-width:600px;width:100%;transition:all .3s ease}.search-container.focused{flex:1;max-width:none;margin-left:-400px;width:calc(100% + 400px)}@media(max-width:768px){.search-container.focused{margin-left:0;width:100%}}.search-input-wrapper{position:relative}.search-input{width:100%;padding:10px 40px 10px 16px;border:1px solid #e5e7eb;border-radius:8px;font-size:14px;transition:border-color .2s}.search-input:focus{outline:none;border-color:#2563eb}.search-icon{position:absolute;right:12px;top:50%;transform:translateY(-50%);color:#9ca3af;pointer-events:none}.search-dropdown{position:absolute;top:calc(100% + 8px);left:0;right:0;background:#fff;border:1px solid #e5e7eb;border-radius:8px;box-shadow:0 10px 25px rgba(0,0,0,.1);max-height:400px;overflow-y:auto;display:none;z-index:1000}.search-dropdown.show{display:block}.search-result-item{padding:12px 16px;cursor:pointer;border-bottom:1px solid #f3f4f6;transition:background .2s}.search-result-item:last-child{border-bottom:none}.search-result-item:hover{background:#f9fafb}.search-result-title{font-weight:500;color:#1a1a1a;margin-bottom:4px;font-size:14px}.search-result-meta{display:flex;align-items:center;gap:12px;font-size:12px;color:#6b7280}.search-result-category{background:#eff6ff;color:#2563eb;padding:2px 8px;border-radius:4px;font-weight:500}.full-search-item{padding:12px 16px;cursor:pointer;background:#f9fafb;border-top:2px solid #e5e7eb;transition:background .2s;text-align:center}.full-search-item:hover{background:#eff6ff}.full-search-text{color:#2563eb;font-weight:600;font-size:14px}.full-search-icon{display:inline-block;margin-left:6px}.no-results{padding:20px;text-align:center;color:#6b7280;font-size:14px}@media(max-width:968px){.hamburger-btn{display:block!important}.nav-links,.user-name{display:none!important}.search-container.focused{margin-left:0!important;width:100%!important}}@media(max-width:600px){.header-right{min-height:40px}.search-container:focus-within{position:absolute;left:0;right:0;top:0;z-index:20;background:#fff;height:40px;display:flex;align-items:center}.search-container.active{width:110%;height:100%}.search-input{width:100%;background:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23888' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'><circle cx='11' cy='11' r='6'/><line x1='16.5' y1='16.5' x2='21' y2='21'/></svg>") no-repeat 10px center;background-size:18px;padding-left:36px;transition:all .2s ease}.search-input:focus{background-image:none;padding-left:12px}.search-input::placeholder{color:transparent}header{margin-bottom:5px}}html,body,#root{height:100%;scrollbar-gutter:stable}.layout{display:flex;flex-direction:column;height:100%}.scroll-area{overflow-y:auto;flex:1}.search-header{margin-bottom:20px;padding:15px 0;border-bottom:2px solid #e1e4e8}.search-results-count{font-size:14px;color:#666;margin-bottom:20px}.search-item{background:#fff;border:1px solid #e1e4e8;border-radius:8px;padding:20px;margin-bottom:15px;transition:box-shadow .2s ease,transform .2s ease}.search-item:hover{box-shadow:0 4px 12px rgba(0,0,0,.1);transform:translateY(-2px)}.search-item-title{font-size:18px;font-weight:600;color:#0969da;text-decoration:none;display:block;margin-bottom:10px;line-height:1.4}.search-item-title:hover{text-decoration:underline}.search-item-title mark{background-color:#fff3cd;padding:2px 4px;border-radius:3px}.search-item-content{font-size:14px;color:#57606a;line-height:1.6;margin-top:10px}.search-item-content mark{background-color:#fff3cd;padding:2px 4px;border-radius:3px;font-weight:500}.search-loading{text-align:center;padding:40px;color:#666}.search-no-results{text-align:center;padding:60px 20px;color:#666}.search-no-results h3{font-size:20px;margin-bottom:10px}@media(max-width:768px){.main-content{padding:5px}.search-item{padding:15px}.search-item-title{font-size:16px}.search-item-content{font-size:13px}}*{margin:0;padding:0;box-sizing:border-box}.auth-container{min-height:80vh;display:flex;align-items:center;justify-content:center;padding:20px}.auth-card{background:#fff;border-radius:16px;box-shadow:0 20px 20px rgba(0,0,0,.2);width:100%;max-width:440px;padding:48px 10px}.auth-header{text-align:center;margin-bottom:32px}.logo{font-size:32px;font-weight:700;color:#2563eb;margin-bottom:8px}.auth-title{font-size:28px;font-weight:700;color:#1a1a1a;margin-bottom:8px}.auth-subtitle{font-size:14px;color:#6b7280}.form-group{margin-bottom:20px}.form-label{display:block;font-size:14px;font-weight:600;color:#374151;margin-bottom:8px}.form-input{width:100%;padding:12px 16px;border:2px solid #e5e7eb;border-radius:8px;font-size:14px;transition:all .2s;background:#fff}.form-input:focus{outline:none;border-color:#2563eb;box-shadow:0 0 0 3px rgba(37,99,235,.1)}.form-input::placeholder{color:#9ca3af}.password-wrapper{position:relative}.password-toggle{position:absolute;right:12px;top:50%;transform:translateY(-50%);background:none;border:none;color:#6b7280;cursor:pointer;padding:4px;font-size:18px;transition:color .2s}.password-toggle:hover{color:#2563eb}.forgot-password{text-align:right;margin-top:8px}.forgot-password-link{font-size:13px;color:#2563eb;text-decoration:none;font-weight:500;transition:color .2s}.forgot-password-link:hover{color:#1d4ed8;text-decoration:underline}.btn-signin{width:100%;padding:14px;background:#2563eb;color:#fff;border:none;border-radius:8px;font-size:15px;font-weight:600;cursor:pointer;transition:all .2s;margin-top:24px}.btn-signin:hover{background:#1d4ed8;transform:translateY(-1px);box-shadow:0 4px 12px rgba(37,99,235,.4)}.btn-signin:active{transform:translateY(0)}.divider{display:flex;align-items:center;margin:28px 0;color:#9ca3af;font-size:13px}.divider:before,.divider:after{content:"";flex:1;height:1px;background:#e5e7eb}.divider span{padding:0 16px;position:relative;background-color:#fff}.btn-google{width:100%;padding:12px;background:#fff;color:#374151;border:2px solid #e5e7eb;border-radius:8px;font-size:14px;font-weight:600;cursor:pointer;transition:all .2s;display:flex;align-items:center;justify-content:center;gap:12px}.btn-google:hover{background:#f9fafb;border-color:#d1d5db}.google-icon{width:20px;height:20px}.switch-mode{text-align:center;margin-top:28px;font-size:14px;color:#6b7280}.switch-mode-link{color:#2563eb;font-weight:600;cursor:pointer;text-decoration:none;transition:color .2s}.switch-mode-link:hover{color:#1d4ed8;text-decoration:underline}.error-message{background:#fef2f2;border:1px solid #fecaca;color:#dc2626;padding:12px;border-radius:8px;font-size:13px;margin:0 auto;text-align:center}.email-sent-container{text-align:center}.success-icon{width:80px;height:80px;background:linear-gradient(135deg,#10b981,#059669);border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 24px;font-size:40px;color:#fff}.email-sent-title{font-size:28px;font-weight:700;color:#1a1a1a;margin-bottom:16px}.email-sent-message{font-size:15px;color:#6b7280;line-height:1.6;margin-bottom:24px}.email-address{font-weight:600;color:#2563eb}.info-box{background:#eff6ff;border:2px solid #bfdbfe;border-radius:8px;padding:16px;margin-bottom:24px;text-align:left}.info-box-title{font-size:14px;font-weight:600;color:#1e40af;margin-bottom:8px}.info-box-list{list-style:none;padding:0;margin:0}.info-box-list li{font-size:13px;color:#1e40af;padding:6px 0 6px 24px;position:relative}.info-box-list li:before{content:"✓";position:absolute;left:0;font-weight:700;color:#2563eb}.resend-section{margin-top:32px;padding-top:24px;border-top:1px solid #e5e7eb;font-size:14px;color:#6b7280;text-align:center}.resend-link{color:#2563eb;font-weight:600;cursor:pointer;text-decoration:none;transition:color .2s}.resend-link:hover{color:#1d4ed8;text-decoration:underline}@media(max-width:480px){.auth-card{padding:32px 24px}.auth-title{font-size:24px}.logo{font-size:28px}}.icon-container{margin-bottom:24px}.spinner{width:64px;height:64px;border:4px solid #e5e7eb;border-top-color:#2563eb;border-radius:50%;animation:spin 1s linear infinite;margin:0 auto}@keyframes spin{to{transform:rotate(360deg)}}.create-category{max-width:900px;margin:0 auto;padding:2rem}.create-category h1{color:#333;margin-bottom:2rem;font-size:2rem;font-weight:600}.create-category form{background:#fff;padding:1.5rem;border-radius:8px;box-shadow:0 2px 8px rgba(0,0,0,.1);margin-bottom:2rem;display:flex;flex-wrap:wrap;gap:1rem;align-items:flex-end}.create-category form input{flex:1;min-width:200px;padding:.75rem;border:1px solid #ddd;border-radius:4px;font-size:1rem;transition:border-color .3s}.create-category form input:focus{outline:none;border-color:#4caf50;box-shadow:0 0 5px rgba(76,175,80,.3)}.create-category form button{padding:.75rem 1.5rem;background:#4caf50;color:#fff;border:none;border-radius:4px;cursor:pointer;font-size:1rem;font-weight:500;transition:background .3s}.create-category form button:hover{background:#45a049}.create-category form button:last-of-type{background:#f44336}.create-category form button:last-of-type:hover{background:#da190b}.create-category table{width:100%;border-collapse:collapse;background:#fff;box-shadow:0 2px 8px rgba(0,0,0,.1);border-radius:8px;overflow:hidden}.create-category table thead{background:#f5f5f5;border-bottom:2px solid #ddd}.create-category table th{padding:1rem;text-align:left;font-weight:600;color:#333}.create-category table td{padding:1rem;border-bottom:1px solid #eee;color:#555}.create-category table tbody tr:hover{background:#f9f9f9}.create-category table button{padding:.5rem 1rem;margin-right:.5rem;border:none;border-radius:4px;cursor:pointer;font-size:.9rem;font-weight:500;transition:background .3s}.create-category table button:first-child{background:#2196f3;color:#fff}.create-category table button:first-child:hover{background:#0b7dda}.create-category table button:last-child{background:#f44336;color:#fff}.create-category table button:last-child:hover{background:#da190b}table{width:100%;border-collapse:collapse}@media(max-width:768px){table,thead,tbody,th,td,tr{display:block}thead tr{display:none}tr{margin-bottom:15px;border:1px solid #ddd;border-radius:8px;padding:10px}td{text-align:left;position:relative;padding:10px 10px 10px 50%}td:before{content:attr(data-label);position:absolute;left:10px;font-weight:700}}table{width:100%;border-collapse:collapse;margin-top:20px}thead{background-color:#f5f5f5}th,td{padding:12px;text-align:left;border-bottom:1px solid #ddd}@media(max-width:768px){table{border:0}table thead{display:none}table tr{display:block;margin-bottom:15px;border:1px solid #ddd;border-radius:8px;background:#fff}table td{display:block;text-align:right;border:none;position:relative;padding:10px 10px 10px 50%}table td:before{content:attr(data-label);position:absolute;left:10px;font-weight:700;text-align:left}table td[data-label=Actions]{text-align:center;padding-left:10px}table td[data-label=Actions]:before{display:none}}.db-operation{max-width:1200px;margin:0 auto;padding:20px}.db-operation h1{font-size:24px;margin-bottom:10px;color:#333}.warning{background:#fff3cd;border-left:4px solid #ffc107;padding:10px 15px;margin-bottom:20px;border-radius:4px;color:#856404}.operation-section{background:#fff;border:1px solid #ddd;border-radius:8px;padding:20px;margin-bottom:20px}.operation-section h2{font-size:20px;margin-bottom:15px;color:#555;border-bottom:2px solid #007bff;padding-bottom:5px}.form-group{margin-bottom:15px}.form-group label{display:block;font-weight:600;margin-bottom:5px;color:#555}.input-field{width:100%;padding:10px;border:1px solid #ddd;border-radius:4px;font-size:14px;font-family:Courier New,monospace}.textarea-field{width:100%;padding:10px;border:1px solid #ddd;border-radius:4px;font-size:14px;font-family:Courier New,monospace;resize:vertical}.input-field:focus,.textarea-field:focus{outline:none;border-color:#007bff}.btn{padding:10px 20px;border:none;border-radius:4px;font-size:14px;font-weight:600;cursor:pointer;transition:background .2s}.btn-primary{background:#007bff;color:#fff}.btn-primary:hover:not(:disabled){background:#0056b3}.btn-primary:disabled{background:#ccc;cursor:not-allowed}.result-section{margin-top:20px;padding-top:20px;border-top:1px solid #eee}.result-section h3{font-size:16px;margin-bottom:15px;color:#333}.table-wrapper{overflow-x:auto;border:1px solid #ddd;border-radius:4px}.data-table{width:100%;border-collapse:collapse;font-size:13px}.data-table thead{background:#f8f9fa}.data-table th{padding:10px;text-align:left;font-weight:600;color:#333;border-bottom:2px solid #dee2e6}.data-table td{padding:8px 10px;border-bottom:1px solid #dee2e6;color:#555}.data-table tbody tr:hover{background:#f8f9fa}.json-result{background:#f8f9fa;border:1px solid #ddd;border-radius:4px;padding:15px;overflow-x:auto;font-size:13px;font-family:Courier New,monospace}.no-data{text-align:center;padding:20px;color:#999;font-style:italic}.error-message{background:#f8d7da;border-left:4px solid #dc3545;padding:12px 15px;margin-top:20px;border-radius:4px;color:#721c24}@media(max-width:768px){.db-operation{padding:10px}.operation-section{padding:15px}.data-table{font-size:12px}.data-table th,.data-table td{padding:6px}}@font-face{font-display:block;font-family:KaTeX_AMS;font-style:normal;font-weight:400;src:url(/assets/KaTeX_AMS-Regular-BQhdFMY1.woff2) format("woff2"),url(/assets/KaTeX_AMS-Regular-DMm9YOAa.woff) format("woff"),url(/assets/KaTeX_AMS-Regular-DRggAlZN.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Caligraphic-Bold-Dq_IR9rO.woff2) format("woff2"),url(/assets/KaTeX_Caligraphic-Bold-BEiXGLvX.woff) format("woff"),url(/assets/KaTeX_Caligraphic-Bold-ATXxdsX0.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Caligraphic-Regular-Di6jR-x-.woff2) format("woff2"),url(/assets/KaTeX_Caligraphic-Regular-CTRA-rTL.woff) format("woff"),url(/assets/KaTeX_Caligraphic-Regular-wX97UBjC.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Fraktur-Bold-CL6g_b3V.woff2) format("woff2"),url(/assets/KaTeX_Fraktur-Bold-BsDP51OF.woff) format("woff"),url(/assets/KaTeX_Fraktur-Bold-BdnERNNW.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Fraktur-Regular-CTYiF6lA.woff2) format("woff2"),url(/assets/KaTeX_Fraktur-Regular-Dxdc4cR9.woff) format("woff"),url(/assets/KaTeX_Fraktur-Regular-CB_wures.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Main-Bold-Cx986IdX.woff2) format("woff2"),url(/assets/KaTeX_Main-Bold-Jm3AIy58.woff) format("woff"),url(/assets/KaTeX_Main-Bold-waoOVXN0.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:700;src:url(/assets/KaTeX_Main-BoldItalic-DxDJ3AOS.woff2) format("woff2"),url(/assets/KaTeX_Main-BoldItalic-SpSLRI95.woff) format("woff"),url(/assets/KaTeX_Main-BoldItalic-DzxPMmG6.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:400;src:url(/assets/KaTeX_Main-Italic-NWA7e6Wa.woff2) format("woff2"),url(/assets/KaTeX_Main-Italic-BMLOBm91.woff) format("woff"),url(/assets/KaTeX_Main-Italic-3WenGoN9.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Main-Regular-B22Nviop.woff2) format("woff2"),url(/assets/KaTeX_Main-Regular-Dr94JaBh.woff) format("woff"),url(/assets/KaTeX_Main-Regular-ypZvNtVU.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:700;src:url(/assets/KaTeX_Math-BoldItalic-CZnvNsCZ.woff2) format("woff2"),url(/assets/KaTeX_Math-BoldItalic-iY-2wyZ7.woff) format("woff"),url(/assets/KaTeX_Math-BoldItalic-B3XSjfu4.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:400;src:url(/assets/KaTeX_Math-Italic-t53AETM-.woff2) format("woff2"),url(/assets/KaTeX_Math-Italic-DA0__PXp.woff) format("woff"),url(/assets/KaTeX_Math-Italic-flOr_0UB.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:700;src:url(/assets/KaTeX_SansSerif-Bold-D1sUS0GD.woff2) format("woff2"),url(/assets/KaTeX_SansSerif-Bold-DbIhKOiC.woff) format("woff"),url(/assets/KaTeX_SansSerif-Bold-CFMepnvq.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:italic;font-weight:400;src:url(/assets/KaTeX_SansSerif-Italic-C3H0VqGB.woff2) format("woff2"),url(/assets/KaTeX_SansSerif-Italic-DN2j7dab.woff) format("woff"),url(/assets/KaTeX_SansSerif-Italic-YYjJ1zSn.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:400;src:url(/assets/KaTeX_SansSerif-Regular-DDBCnlJ7.woff2) format("woff2"),url(/assets/KaTeX_SansSerif-Regular-CS6fqUqJ.woff) format("woff"),url(/assets/KaTeX_SansSerif-Regular-BNo7hRIc.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Script;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Script-Regular-D3wIWfF6.woff2) format("woff2"),url(/assets/KaTeX_Script-Regular-D5yQViql.woff) format("woff"),url(/assets/KaTeX_Script-Regular-C5JkGWo-.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size1;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size1-Regular-mCD8mA8B.woff2) format("woff2"),url(/assets/KaTeX_Size1-Regular-C195tn64.woff) format("woff"),url(/assets/KaTeX_Size1-Regular-Dbsnue_I.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size2;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size2-Regular-Dy4dx90m.woff2) format("woff2"),url(/assets/KaTeX_Size2-Regular-oD1tc_U0.woff) format("woff"),url(/assets/KaTeX_Size2-Regular-B7gKUWhC.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size3;font-style:normal;font-weight:400;src:url(data:font/woff2;base64,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) format("woff2"),url(/assets/KaTeX_Size3-Regular-CTq5MqoE.woff) format("woff"),url(/assets/KaTeX_Size3-Regular-DgpXs0kz.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size4;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size4-Regular-Dl5lxZxV.woff2) format("woff2"),url(/assets/KaTeX_Size4-Regular-BF-4gkZK.woff) format("woff"),url(/assets/KaTeX_Size4-Regular-DWFBv043.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Typewriter;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Typewriter-Regular-CO6r4hn1.woff2) format("woff2"),url(/assets/KaTeX_Typewriter-Regular-C0xS9mPB.woff) format("woff"),url(/assets/KaTeX_Typewriter-Regular-D3Ib7_Hf.ttf) format("truetype")}.katex{font: 1.21em KaTeX_Main,Times New Roman,serif;line-height:1.2;text-indent:0;text-rendering:auto}.katex *{-ms-high-contrast-adjust:none!important;border-color:currentColor}.katex .katex-version:after{content:"0.16.25"}.katex .katex-mathml{clip:rect(1px,1px,1px,1px);border:0;height:1px;overflow:hidden;padding:0;position:absolute;width:1px}.katex .katex-html>.newline{display:block}.katex .base{position:relative;white-space:nowrap;width:-webkit-min-content;width:-moz-min-content;width:min-content}.katex .base,.katex .strut{display:inline-block}.katex .textbf{font-weight:700}.katex .textit{font-style:italic}.katex .textrm{font-family:KaTeX_Main}.katex .textsf{font-family:KaTeX_SansSerif}.katex .texttt{font-family:KaTeX_Typewriter}.katex .mathnormal{font-family:KaTeX_Math;font-style:italic}.katex .mathit{font-family:KaTeX_Main;font-style:italic}.katex .mathrm{font-style:normal}.katex .mathbf{font-family:KaTeX_Main;font-weight:700}.katex .boldsymbol{font-family:KaTeX_Math;font-style:italic;font-weight:700}.katex .amsrm,.katex .mathbb,.katex .textbb{font-family:KaTeX_AMS}.katex .mathcal{font-family:KaTeX_Caligraphic}.katex .mathfrak,.katex .textfrak{font-family:KaTeX_Fraktur}.katex .mathboldfrak,.katex .textboldfrak{font-family:KaTeX_Fraktur;font-weight:700}.katex .mathtt{font-family:KaTeX_Typewriter}.katex .mathscr,.katex .textscr{font-family:KaTeX_Script}.katex .mathsf,.katex .textsf{font-family:KaTeX_SansSerif}.katex .mathboldsf,.katex .textboldsf{font-family:KaTeX_SansSerif;font-weight:700}.katex .mathitsf,.katex .mathsfit,.katex .textitsf{font-family:KaTeX_SansSerif;font-style:italic}.katex .mainrm{font-family:KaTeX_Main;font-style:normal}.katex .vlist-t{border-collapse:collapse;display:inline-table;table-layout:fixed}.katex .vlist-r{display:table-row}.katex .vlist{display:table-cell;position:relative;vertical-align:bottom}.katex .vlist>span{display:block;height:0;position:relative}.katex .vlist>span>span{display:inline-block}.katex .vlist>span>.pstrut{overflow:hidden;width:0}.katex .vlist-t2{margin-right:-2px}.katex .vlist-s{display:table-cell;font-size:1px;min-width:2px;vertical-align:bottom;width:2px}.katex .vbox{align-items:baseline;display:inline-flex;flex-direction:column}.katex .hbox{width:100%}.katex .hbox,.katex .thinbox{display:inline-flex;flex-direction:row}.katex .thinbox{max-width:0;width:0}.katex .msupsub{text-align:left}.katex .mfrac>span>span{text-align:center}.katex .mfrac .frac-line{border-bottom-style:solid;display:inline-block;width:100%}.katex .hdashline,.katex .hline,.katex .mfrac .frac-line,.katex .overline .overline-line,.katex .rule,.katex .underline .underline-line{min-height:1px}.katex .mspace{display:inline-block}.katex .clap,.katex .llap,.katex .rlap{position:relative;width:0}.katex .clap>.inner,.katex .llap>.inner,.katex .rlap>.inner{position:absolute}.katex .clap>.fix,.katex .llap>.fix,.katex .rlap>.fix{display:inline-block}.katex .llap>.inner{right:0}.katex .clap>.inner,.katex .rlap>.inner{left:0}.katex .clap>.inner>span{margin-left:-50%;margin-right:50%}.katex .rule{border:0 solid;display:inline-block;position:relative}.katex .hline,.katex .overline .overline-line,.katex .underline .underline-line{border-bottom-style:solid;display:inline-block;width:100%}.katex .hdashline{border-bottom-style:dashed;display:inline-block;width:100%}.katex .sqrt>.root{margin-left:.2777777778em;margin-right:-.5555555556em}.katex .fontsize-ensurer.reset-size1.size1,.katex .sizing.reset-size1.size1{font-size:1em}.katex .fontsize-ensurer.reset-size1.size2,.katex .sizing.reset-size1.size2{font-size:1.2em}.katex .fontsize-ensurer.reset-size1.size3,.katex .sizing.reset-size1.size3{font-size:1.4em}.katex .fontsize-ensurer.reset-size1.size4,.katex .sizing.reset-size1.size4{font-size:1.6em}.katex .fontsize-ensurer.reset-size1.size5,.katex .sizing.reset-size1.size5{font-size:1.8em}.katex .fontsize-ensurer.reset-size1.size6,.katex .sizing.reset-size1.size6{font-size:2em}.katex .fontsize-ensurer.reset-size1.size7,.katex .sizing.reset-size1.size7{font-size:2.4em}.katex .fontsize-ensurer.reset-size1.size8,.katex .sizing.reset-size1.size8{font-size:2.88em}.katex .fontsize-ensurer.reset-size1.size9,.katex .sizing.reset-size1.size9{font-size:3.456em}.katex .fontsize-ensurer.reset-size1.size10,.katex .sizing.reset-size1.size10{font-size:4.148em}.katex .fontsize-ensurer.reset-size1.size11,.katex .sizing.reset-size1.size11{font-size:4.976em}.katex .fontsize-ensurer.reset-size2.size1,.katex .sizing.reset-size2.size1{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size2.size2,.katex .sizing.reset-size2.size2{font-size:1em}.katex .fontsize-ensurer.reset-size2.size3,.katex .sizing.reset-size2.size3{font-size:1.1666666667em}.katex .fontsize-ensurer.reset-size2.size4,.katex .sizing.reset-size2.size4{font-size:1.3333333333em}.katex .fontsize-ensurer.reset-size2.size5,.katex .sizing.reset-size2.size5{font-size:1.5em}.katex .fontsize-ensurer.reset-size2.size6,.katex .sizing.reset-size2.size6{font-size:1.6666666667em}.katex .fontsize-ensurer.reset-size2.size7,.katex .sizing.reset-size2.size7{font-size:2em}.katex .fontsize-ensurer.reset-size2.size8,.katex .sizing.reset-size2.size8{font-size:2.4em}.katex .fontsize-ensurer.reset-size2.size9,.katex .sizing.reset-size2.size9{font-size:2.88em}.katex .fontsize-ensurer.reset-size2.size10,.katex .sizing.reset-size2.size10{font-size:3.4566666667em}.katex .fontsize-ensurer.reset-size2.size11,.katex .sizing.reset-size2.size11{font-size:4.1466666667em}.katex .fontsize-ensurer.reset-size3.size1,.katex .sizing.reset-size3.size1{font-size:.7142857143em}.katex .fontsize-ensurer.reset-size3.size2,.katex .sizing.reset-size3.size2{font-size:.8571428571em}.katex .fontsize-ensurer.reset-size3.size3,.katex .sizing.reset-size3.size3{font-size:1em}.katex .fontsize-ensurer.reset-size3.size4,.katex .sizing.reset-size3.size4{font-size:1.1428571429em}.katex .fontsize-ensurer.reset-size3.size5,.katex .sizing.reset-size3.size5{font-size:1.2857142857em}.katex .fontsize-ensurer.reset-size3.size6,.katex .sizing.reset-size3.size6{font-size:1.4285714286em}.katex .fontsize-ensurer.reset-size3.size7,.katex .sizing.reset-size3.size7{font-size:1.7142857143em}.katex .fontsize-ensurer.reset-size3.size8,.katex .sizing.reset-size3.size8{font-size:2.0571428571em}.katex .fontsize-ensurer.reset-size3.size9,.katex .sizing.reset-size3.size9{font-size:2.4685714286em}.katex .fontsize-ensurer.reset-size3.size10,.katex .sizing.reset-size3.size10{font-size:2.9628571429em}.katex .fontsize-ensurer.reset-size3.size11,.katex .sizing.reset-size3.size11{font-size:3.5542857143em}.katex .fontsize-ensurer.reset-size4.size1,.katex .sizing.reset-size4.size1{font-size:.625em}.katex .fontsize-ensurer.reset-size4.size2,.katex .sizing.reset-size4.size2{font-size:.75em}.katex .fontsize-ensurer.reset-size4.size3,.katex .sizing.reset-size4.size3{font-size:.875em}.katex .fontsize-ensurer.reset-size4.size4,.katex .sizing.reset-size4.size4{font-size:1em}.katex .fontsize-ensurer.reset-size4.size5,.katex .sizing.reset-size4.size5{font-size:1.125em}.katex .fontsize-ensurer.reset-size4.size6,.katex .sizing.reset-size4.size6{font-size:1.25em}.katex .fontsize-ensurer.reset-size4.size7,.katex .sizing.reset-size4.size7{font-size:1.5em}.katex .fontsize-ensurer.reset-size4.size8,.katex .sizing.reset-size4.size8{font-size:1.8em}.katex .fontsize-ensurer.reset-size4.size9,.katex .sizing.reset-size4.size9{font-size:2.16em}.katex .fontsize-ensurer.reset-size4.size10,.katex .sizing.reset-size4.size10{font-size:2.5925em}.katex .fontsize-ensurer.reset-size4.size11,.katex .sizing.reset-size4.size11{font-size:3.11em}.katex .fontsize-ensurer.reset-size5.size1,.katex .sizing.reset-size5.size1{font-size:.5555555556em}.katex .fontsize-ensurer.reset-size5.size2,.katex .sizing.reset-size5.size2{font-size:.6666666667em}.katex .fontsize-ensurer.reset-size5.size3,.katex .sizing.reset-size5.size3{font-size:.7777777778em}.katex .fontsize-ensurer.reset-size5.size4,.katex .sizing.reset-size5.size4{font-size:.8888888889em}.katex .fontsize-ensurer.reset-size5.size5,.katex .sizing.reset-size5.size5{font-size:1em}.katex .fontsize-ensurer.reset-size5.size6,.katex .sizing.reset-size5.size6{font-size:1.1111111111em}.katex .fontsize-ensurer.reset-size5.size7,.katex .sizing.reset-size5.size7{font-size:1.3333333333em}.katex .fontsize-ensurer.reset-size5.size8,.katex .sizing.reset-size5.size8{font-size:1.6em}.katex .fontsize-ensurer.reset-size5.size9,.katex .sizing.reset-size5.size9{font-size:1.92em}.katex .fontsize-ensurer.reset-size5.size10,.katex .sizing.reset-size5.size10{font-size:2.3044444444em}.katex .fontsize-ensurer.reset-size5.size11,.katex .sizing.reset-size5.size11{font-size:2.7644444444em}.katex .fontsize-ensurer.reset-size6.size1,.katex .sizing.reset-size6.size1{font-size:.5em}.katex .fontsize-ensurer.reset-size6.size2,.katex .sizing.reset-size6.size2{font-size:.6em}.katex .fontsize-ensurer.reset-size6.size3,.katex .sizing.reset-size6.size3{font-size:.7em}.katex .fontsize-ensurer.reset-size6.size4,.katex .sizing.reset-size6.size4{font-size:.8em}.katex .fontsize-ensurer.reset-size6.size5,.katex .sizing.reset-size6.size5{font-size:.9em}.katex .fontsize-ensurer.reset-size6.size6,.katex .sizing.reset-size6.size6{font-size:1em}.katex .fontsize-ensurer.reset-size6.size7,.katex .sizing.reset-size6.size7{font-size:1.2em}.katex .fontsize-ensurer.reset-size6.size8,.katex .sizing.reset-size6.size8{font-size:1.44em}.katex .fontsize-ensurer.reset-size6.size9,.katex .sizing.reset-size6.size9{font-size:1.728em}.katex .fontsize-ensurer.reset-size6.size10,.katex .sizing.reset-size6.size10{font-size:2.074em}.katex .fontsize-ensurer.reset-size6.size11,.katex .sizing.reset-size6.size11{font-size:2.488em}.katex .fontsize-ensurer.reset-size7.size1,.katex .sizing.reset-size7.size1{font-size:.4166666667em}.katex .fontsize-ensurer.reset-size7.size2,.katex .sizing.reset-size7.size2{font-size:.5em}.katex .fontsize-ensurer.reset-size7.size3,.katex .sizing.reset-size7.size3{font-size:.5833333333em}.katex .fontsize-ensurer.reset-size7.size4,.katex .sizing.reset-size7.size4{font-size:.6666666667em}.katex .fontsize-ensurer.reset-size7.size5,.katex .sizing.reset-size7.size5{font-size:.75em}.katex .fontsize-ensurer.reset-size7.size6,.katex .sizing.reset-size7.size6{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size7.size7,.katex .sizing.reset-size7.size7{font-size:1em}.katex .fontsize-ensurer.reset-size7.size8,.katex .sizing.reset-size7.size8{font-size:1.2em}.katex .fontsize-ensurer.reset-size7.size9,.katex .sizing.reset-size7.size9{font-size:1.44em}.katex .fontsize-ensurer.reset-size7.size10,.katex .sizing.reset-size7.size10{font-size:1.7283333333em}.katex .fontsize-ensurer.reset-size7.size11,.katex .sizing.reset-size7.size11{font-size:2.0733333333em}.katex .fontsize-ensurer.reset-size8.size1,.katex .sizing.reset-size8.size1{font-size:.3472222222em}.katex .fontsize-ensurer.reset-size8.size2,.katex .sizing.reset-size8.size2{font-size:.4166666667em}.katex .fontsize-ensurer.reset-size8.size3,.katex .sizing.reset-size8.size3{font-size:.4861111111em}.katex .fontsize-ensurer.reset-size8.size4,.katex .sizing.reset-size8.size4{font-size:.5555555556em}.katex .fontsize-ensurer.reset-size8.size5,.katex .sizing.reset-size8.size5{font-size:.625em}.katex .fontsize-ensurer.reset-size8.size6,.katex .sizing.reset-size8.size6{font-size:.6944444444em}.katex .fontsize-ensurer.reset-size8.size7,.katex .sizing.reset-size8.size7{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size8.size8,.katex .sizing.reset-size8.size8{font-size:1em}.katex .fontsize-ensurer.reset-size8.size9,.katex .sizing.reset-size8.size9{font-size:1.2em}.katex .fontsize-ensurer.reset-size8.size10,.katex .sizing.reset-size8.size10{font-size:1.4402777778em}.katex .fontsize-ensurer.reset-size8.size11,.katex .sizing.reset-size8.size11{font-size:1.7277777778em}.katex .fontsize-ensurer.reset-size9.size1,.katex .sizing.reset-size9.size1{font-size:.2893518519em}.katex .fontsize-ensurer.reset-size9.size2,.katex .sizing.reset-size9.size2{font-size:.3472222222em}.katex .fontsize-ensurer.reset-size9.size3,.katex .sizing.reset-size9.size3{font-size:.4050925926em}.katex .fontsize-ensurer.reset-size9.size4,.katex .sizing.reset-size9.size4{font-size:.462962963em}.katex .fontsize-ensurer.reset-size9.size5,.katex .sizing.reset-size9.size5{font-size:.5208333333em}.katex .fontsize-ensurer.reset-size9.size6,.katex .sizing.reset-size9.size6{font-size:.5787037037em}.katex .fontsize-ensurer.reset-size9.size7,.katex .sizing.reset-size9.size7{font-size:.6944444444em}.katex .fontsize-ensurer.reset-size9.size8,.katex .sizing.reset-size9.size8{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size9.size9,.katex .sizing.reset-size9.size9{font-size:1em}.katex .fontsize-ensurer.reset-size9.size10,.katex .sizing.reset-size9.size10{font-size:1.2002314815em}.katex .fontsize-ensurer.reset-size9.size11,.katex .sizing.reset-size9.size11{font-size:1.4398148148em}.katex .fontsize-ensurer.reset-size10.size1,.katex .sizing.reset-size10.size1{font-size:.2410800386em}.katex .fontsize-ensurer.reset-size10.size2,.katex .sizing.reset-size10.size2{font-size:.2892960463em}.katex .fontsize-ensurer.reset-size10.size3,.katex .sizing.reset-size10.size3{font-size:.337512054em}.katex .fontsize-ensurer.reset-size10.size4,.katex .sizing.reset-size10.size4{font-size:.3857280617em}.katex .fontsize-ensurer.reset-size10.size5,.katex .sizing.reset-size10.size5{font-size:.4339440694em}.katex .fontsize-ensurer.reset-size10.size6,.katex .sizing.reset-size10.size6{font-size:.4821600771em}.katex .fontsize-ensurer.reset-size10.size7,.katex .sizing.reset-size10.size7{font-size:.5785920926em}.katex .fontsize-ensurer.reset-size10.size8,.katex .sizing.reset-size10.size8{font-size:.6943105111em}.katex .fontsize-ensurer.reset-size10.size9,.katex .sizing.reset-size10.size9{font-size:.8331726133em}.katex .fontsize-ensurer.reset-size10.size10,.katex .sizing.reset-size10.size10{font-size:1em}.katex .fontsize-ensurer.reset-size10.size11,.katex .sizing.reset-size10.size11{font-size:1.1996142719em}.katex .fontsize-ensurer.reset-size11.size1,.katex .sizing.reset-size11.size1{font-size:.2009646302em}.katex .fontsize-ensurer.reset-size11.size2,.katex .sizing.reset-size11.size2{font-size:.2411575563em}.katex .fontsize-ensurer.reset-size11.size3,.katex .sizing.reset-size11.size3{font-size:.2813504823em}.katex .fontsize-ensurer.reset-size11.size4,.katex .sizing.reset-size11.size4{font-size:.3215434084em}.katex .fontsize-ensurer.reset-size11.size5,.katex .sizing.reset-size11.size5{font-size:.3617363344em}.katex .fontsize-ensurer.reset-size11.size6,.katex .sizing.reset-size11.size6{font-size:.4019292605em}.katex .fontsize-ensurer.reset-size11.size7,.katex .sizing.reset-size11.size7{font-size:.4823151125em}.katex .fontsize-ensurer.reset-size11.size8,.katex .sizing.reset-size11.size8{font-size:.578778135em}.katex .fontsize-ensurer.reset-size11.size9,.katex .sizing.reset-size11.size9{font-size:.6945337621em}.katex .fontsize-ensurer.reset-size11.size10,.katex .sizing.reset-size11.size10{font-size:.8336012862em}.katex .fontsize-ensurer.reset-size11.size11,.katex .sizing.reset-size11.size11{font-size:1em}.katex .delimsizing.size1{font-family:KaTeX_Size1}.katex .delimsizing.size2{font-family:KaTeX_Size2}.katex .delimsizing.size3{font-family:KaTeX_Size3}.katex .delimsizing.size4{font-family:KaTeX_Size4}.katex .delimsizing.mult .delim-size1>span{font-family:KaTeX_Size1}.katex .delimsizing.mult .delim-size4>span{font-family:KaTeX_Size4}.katex .nulldelimiter{display:inline-block;width:.12em}.katex .delimcenter,.katex .op-symbol{position:relative}.katex .op-symbol.small-op{font-family:KaTeX_Size1}.katex .op-symbol.large-op{font-family:KaTeX_Size2}.katex .accent>.vlist-t,.katex .op-limits>.vlist-t{text-align:center}.katex .accent .accent-body{position:relative}.katex .accent .accent-body:not(.accent-full){width:0}.katex .overlay{display:block}.katex .mtable .vertical-separator{display:inline-block;min-width:1px}.katex .mtable .arraycolsep{display:inline-block}.katex .mtable .col-align-c>.vlist-t{text-align:center}.katex .mtable .col-align-l>.vlist-t{text-align:left}.katex .mtable .col-align-r>.vlist-t{text-align:right}.katex .svg-align{text-align:left}.katex svg{fill:currentColor;stroke:currentColor;fill-rule:nonzero;fill-opacity:1;stroke-width:1;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;display:block;height:inherit;position:absolute;width:100%}.katex svg path{stroke:none}.katex img{border-style:none;max-height:none;max-width:none;min-height:0;min-width:0}.katex .stretchy{display:block;overflow:hidden;position:relative;width:100%}.katex .stretchy:after,.katex .stretchy:before{content:""}.katex .hide-tail{overflow:hidden;position:relative;width:100%}.katex .halfarrow-left{left:0;overflow:hidden;position:absolute;width:50.2%}.katex .halfarrow-right{overflow:hidden;position:absolute;right:0;width:50.2%}.katex .brace-left{left:0;overflow:hidden;position:absolute;width:25.1%}.katex .brace-center{left:25%;overflow:hidden;position:absolute;width:50%}.katex .brace-right{overflow:hidden;position:absolute;right:0;width:25.1%}.katex .x-arrow-pad{padding:0 .5em}.katex .cd-arrow-pad{padding:0 .55556em 0 .27778em}.katex .mover,.katex .munder,.katex .x-arrow{text-align:center}.katex .boxpad{padding:0 .3em}.katex .fbox,.katex .fcolorbox{border:.04em solid;box-sizing:border-box}.katex .cancel-pad{padding:0 .2em}.katex .cancel-lap{margin-left:-.2em;margin-right:-.2em}.katex .sout{border-bottom-style:solid;border-bottom-width:.08em}.katex .angl{border-right:.049em solid;border-top:.049em solid;box-sizing:border-box;margin-right:.03889em}.katex .anglpad{padding:0 .03889em}.katex .eqn-num:before{content:"(" counter(katexEqnNo) ")";counter-increment:katexEqnNo}.katex .mml-eqn-num:before{content:"(" counter(mmlEqnNo) ")";counter-increment:mmlEqnNo}.katex .mtr-glue{width:50%}.katex .cd-vert-arrow{display:inline-block;position:relative}.katex .cd-label-left{display:inline-block;position:absolute;right:calc(50% + .3em);text-align:left}.katex .cd-label-right{display:inline-block;left:calc(50% + .3em);position:absolute;text-align:right}.katex-display{display:block;margin:1em 0;text-align:center}.katex-display>.katex{display:block;text-align:center;white-space:nowrap}.katex-display>.katex>.katex-html{display:block;position:relative}.katex-display>.katex>.katex-html>.tag{position:absolute;right:0}.katex-display.leqno>.katex>.katex-html>.tag{left:0;right:auto}.katex-display.fleqn>.katex{padding-left:2em;text-align:left}body{counter-reset:katexEqnNo mmlEqnNo}