@import"https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap";:root{--bg-primary: #171717;--bg-secondary: #1f1f1f;--bg-tertiary: #282828;--bg-hover: #333333;--bg-input: #1f1f1f;--accent-primary: #ffffff;--accent-secondary: #e5e5e5;--accent-hover: #d4d4d4;--text-primary: #ececec;--text-secondary: #a3a3a3;--text-muted: #737373;--border-color: #2a2a2a;--divider-color: #262626;--success: #a3a3a3;--warning: #a3a3a3;--error: #737373;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .3);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .4);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .5);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .6);--glass-bg: rgba(26, 26, 26, .7);--glass-border: rgba(255, 255, 255, .1);--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--spacing-2xl: 3rem;--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-xl: 1rem;--radius-full: 9999px;--transition-fast: .15s cubic-bezier(.4, 0, .2, 1);--transition-base: .25s cubic-bezier(.4, 0, .2, 1);--transition-slow: .35s cubic-bezier(.4, 0, .2, 1)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg-primary);color:var(--text-primary);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow:hidden}#root{width:100vw;height:100vh}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-secondary)}::-webkit-scrollbar-thumb{background:var(--bg-tertiary);border-radius:var(--radius-full);transition:background var(--transition-base)}::-webkit-scrollbar-thumb:hover{background:var(--bg-hover)}.glass{background:var(--glass-bg);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1px solid var(--glass-border)}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes slideInRight{0%{transform:translate(100%)}to{transform:translate(0)}}@keyframes slideInLeft{0%{transform:translate(-100%)}to{transform:translate(0)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}@keyframes shimmer{0%{background-position:-1000px 0}to{background-position:1000px 0}}.animate-fadeIn{animation:fadeIn var(--transition-base) ease-out}.animate-pulse{animation:pulse 2s cubic-bezier(.4,0,.6,1) infinite}pre code.hljs{display:block;overflow-x:auto;padding:1em}code.hljs{padding:3px 5px}.hljs{color:#abb2bf;background:#282c34}.hljs-comment,.hljs-quote{color:#5c6370;font-style:italic}.hljs-doctag,.hljs-keyword,.hljs-formula{color:#c678dd}.hljs-section,.hljs-name,.hljs-selector-tag,.hljs-deletion,.hljs-subst{color:#e06c75}.hljs-literal{color:#56b6c2}.hljs-string,.hljs-regexp,.hljs-addition,.hljs-attribute,.hljs-meta .hljs-string{color:#98c379}.hljs-attr,.hljs-variable,.hljs-template-variable,.hljs-type,.hljs-selector-class,.hljs-selector-attr,.hljs-selector-pseudo,.hljs-number{color:#d19a66}.hljs-symbol,.hljs-bullet,.hljs-link,.hljs-meta,.hljs-selector-id,.hljs-title{color:#61aeee}.hljs-built_in,.hljs-title.class_,.hljs-class .hljs-title{color:#e6c07b}.hljs-emphasis{font-style:italic}.hljs-strong{font-weight:700}.hljs-link{text-decoration:underline}.app{display:flex;width:100%;height:100vh;position:relative;overflow:hidden;background:var(--bg-primary)}.main-container{flex:1;display:flex;flex-direction:column;height:100vh;position:relative;background:var(--bg-primary)}.floating-menu-button{position:fixed;top:20px;left:20px;display:flex;align-items:center;justify-content:center;width:40px;height:40px;border:1px solid var(--border-color);background:var(--bg-secondary);color:var(--text-secondary);border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-base);z-index:10}.floating-menu-button:hover{background:var(--bg-hover);color:var(--text-primary);border-color:var(--text-muted)}.floating-menu-button:active{transform:scale(.95)}.messages-container{flex:1;overflow-y:auto;padding:var(--spacing-lg);background:var(--bg-primary)}.empty-state{display:flex;flex-direction:column;justify-content:center;align-items:flex-start;height:100%;color:var(--text-primary);max-width:800px;margin:0 auto;padding-bottom:100px;padding-left:0;padding-right:0;box-sizing:border-box;animation:fadeIn var(--transition-slow) ease-out}.empty-state h1{font-size:2.5rem;font-weight:600;margin-bottom:var(--spacing-xl);display:grid;grid-template-columns:60px 1fr;align-items:center;margin-left:-60px;width:calc(100% + 60px);min-height:3.5rem}.rotating-gear{position:static;justify-self:center;animation:spin 10s linear infinite;opacity:.8}.example-questions{display:flex;flex-direction:column;gap:0;width:100%;margin-top:var(--spacing-md);padding-left:0}.example-item{padding:var(--spacing-sm) 0;background:transparent;border:none;border-bottom:1px solid var(--border-color);border-radius:0;cursor:pointer;transition:all var(--transition-base);text-align:left;color:var(--text-secondary);font-size:1.1rem;width:100%}.example-item:hover{background:transparent;color:var(--text-primary);padding-left:var(--spacing-sm)}.example-item:last-child{border-bottom:none}.messages-list{max-width:800px;margin:0 auto;display:flex;flex-direction:column;gap:var(--spacing-lg)}.loading-indicator{display:flex;justify-content:flex-start;padding:var(--spacing-md);animation:fadeIn var(--transition-base) ease-out}.loading-dots{display:flex;gap:var(--spacing-sm);padding:var(--spacing-md) var(--spacing-lg)}.loading-dots span{width:8px;height:8px;border-radius:50%;background:var(--text-muted);animation:pulse 1.4s ease-in-out infinite}.loading-dots span:nth-child(2){animation-delay:.2s}.loading-dots span:nth-child(3){animation-delay:.4s}.top-right-actions{position:fixed;top:20px;right:20px;display:flex;align-items:center;gap:12px;z-index:10}.top-right-action-button{display:flex;align-items:center;justify-content:center;padding:0 16px;height:40px;border:1px solid var(--border-color);background:var(--bg-secondary);color:var(--text-primary);border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-base);font-size:14px;font-weight:600}.top-right-action-button:hover{background:var(--bg-hover);border-color:var(--text-muted);transform:translateY(-1px)}.sidebar-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0009;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:40;animation:fadeIn var(--transition-base) ease-out}.sidebar{position:fixed;top:0;left:0;bottom:0;width:260px;background:var(--bg-secondary);border-right:1px solid var(--border-color);transform:translate(-100%);transition:transform var(--transition-base);z-index:50;display:flex;flex-direction:column;box-shadow:var(--shadow-xl)}.sidebar.open{transform:translate(0)}.sidebar-header{display:flex;align-items:center;justify-content:space-between;padding:10px 16px;flex-shrink:0}.sidebar-brand{font-size:1rem;font-weight:600;color:var(--text-primary);letter-spacing:-.01em}.new-chat-section{padding:0 10px 10px;flex-shrink:0}.new-chat-btn-full{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;padding:10px 12px;background:#fff;color:#000;border:1px solid rgba(255,255,255,.1);border-radius:6px;font-size:.875rem;font-weight:500;cursor:pointer;transition:opacity .2s}.new-chat-btn-full:hover{background:#f0f0f0}.sidebar-content.thread-scroll-area{flex:1;overflow-y:auto;overflow-x:hidden;padding:0 10px;scrollbar-width:thin}.sidebar-footer{padding:10px;border-top:1px solid var(--border-color);background:var(--bg-secondary);flex-shrink:0}.user-profile-btn{display:flex;align-items:center;justify-content:space-between;width:100%;padding:10px;background:transparent;border:none;border-radius:6px;cursor:pointer;color:var(--text-primary);transition:background .2s}.user-profile-btn:hover,.user-profile-btn.active{background:var(--bg-tertiary)}.user-info{display:flex;align-items:center;gap:12px}.user-avatar-placeholder{width:28px;height:28px;background:#fff;color:#000;border-radius:4px;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.8rem}.user-text{display:flex;flex-direction:column;align-items:flex-start;justify-content:center}.user-name{font-size:.875rem;font-weight:500;color:var(--text-primary)}.settings-panel-overlay{position:absolute;top:0;right:0;bottom:0;left:0;background:var(--bg-secondary);z-index:60;display:flex;flex-direction:column;transform:translateY(100%);transition:transform .3s cubic-bezier(.16,1,.3,1)}.settings-panel-overlay.open{transform:translateY(0)}.settings-header{display:flex;align-items:center;justify-content:space-between;padding:12px 14px;border-bottom:1px solid var(--border-color);flex-shrink:0}.settings-title-group{display:flex;align-items:center;gap:8px;color:var(--text-primary)}.settings-header h2{font-size:.95rem;font-weight:600;margin:0;color:var(--text-primary)}.settings-scroll-content{flex:1;overflow-y:auto;padding:10px}.settings-section{margin-bottom:10px;background:var(--bg-tertiary);padding:12px;border-radius:8px;border:1px solid var(--border-color)}.section-title{font-size:.7rem;text-transform:uppercase;color:var(--text-muted);margin-bottom:8px;font-weight:600;letter-spacing:.02em;display:flex;align-items:center}.section-description{font-size:.75rem;color:var(--text-muted);margin-bottom:10px;line-height:1.4}.input-group{margin-bottom:10px}.button-group{display:flex;gap:6px;margin-bottom:10px;width:100%}.input-field{width:100%;padding:6px 10px;border-radius:6px;border:1px solid var(--border-color);background:var(--bg-input);color:var(--text-primary);font-size:.8rem;transition:border-color .2s}.input-field:focus{border-color:var(--text-muted);outline:none}.button{padding:6px 12px;border-radius:6px;border:none;cursor:pointer;font-size:.8rem;display:inline-flex;align-items:center;justify-content:center;gap:6px;flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.button-primary{background:var(--text-primary);color:var(--bg-primary);transition:opacity .2s}.button-primary:hover{opacity:.9}.button-secondary{background:transparent;border:1px solid var(--border-color);color:var(--text-primary);transition:background .2s}.button-secondary:hover{background:var(--bg-hover)}.button-danger{background:transparent;border:1px solid var(--border-color);color:var(--text-primary)}.button-danger:hover{background:var(--bg-hover);border-color:var(--text-muted)}.radio-group{display:flex;background:var(--bg-input);padding:3px;border-radius:6px;gap:4px}.radio-option{flex:1;position:relative;cursor:pointer}.radio-option input{position:absolute;opacity:0}.radio-label{display:flex;align-items:center;justify-content:center;padding:4px 8px;font-size:.75rem;font-weight:500;border-radius:4px;color:var(--text-muted);transition:all .2s;border:1px solid transparent}.radio-option input:not(:checked)+.radio-label:hover{background:var(--bg-hover);color:var(--text-primary)}.radio-option input:checked+.radio-label{background:var(--bg-tertiary);color:var(--text-primary);box-shadow:0 1px 2px #0003;border:1px solid var(--border-color)}.toggle-container{padding:2px 0}.toggle-label{display:flex;justify-content:space-between;align-items:center;cursor:pointer}.toggle-text{font-size:.8rem;color:var(--text-primary)}.toggle-switch{width:36px;height:20px;position:relative;display:inline-block}.toggle-switch input{opacity:0;width:0;height:0}.slider{position:absolute;cursor:pointer;top:0;right:0;bottom:0;left:0;background:var(--bg-input);border-radius:20px;transition:.2s;border:1px solid var(--border-color)}.slider:before{position:absolute;content:"";height:14px;width:14px;left:2px;bottom:2px;background:var(--text-muted);border-radius:50%;transition:.2s}input:checked+.slider{background:var(--text-primary);border-color:var(--text-primary)}input:checked+.slider:before{transform:translate(16px);background:var(--bg-primary)}.icon-button{background:transparent;border:none;color:var(--text-secondary);cursor:pointer;padding:4px;display:flex;align-items:center;justify-content:center;border-radius:4px;transition:color .2s,background .2s}.icon-button:hover{color:var(--text-primary);background:var(--bg-hover)}.section-title-row{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}.section-title-row .section-title{margin-bottom:0}.ollama-status-indicator{display:flex;align-items:center;gap:4px;font-size:.65rem;font-weight:600;padding:3px 6px;border-radius:12px;text-transform:uppercase}.ollama-status-indicator.online{color:#000;background:#fff;border:1px solid transparent}.ollama-status-indicator.offline{color:var(--text-muted);background:var(--bg-input);border:1px solid var(--border-color)}.ollama-status-indicator.warning{color:#422006;background:#fcd34d;border:1px solid transparent}.custom-models-section{margin-top:10px;padding-top:10px;border-top:1px solid var(--border-color)}.section-subtitle{font-size:.65rem;text-transform:uppercase;color:var(--text-muted);margin:0 0 6px;font-weight:500}.custom-model-item{display:flex;justify-content:space-between;align-items:center;padding:6px 8px;background:var(--bg-input);border-radius:4px;margin-bottom:4px;border:1px solid transparent;transition:border-color .2s}.custom-model-item:hover{border-color:var(--border-color)}.custom-model-item .model-name{font-size:.75rem;color:var(--text-primary);font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,Courier New,monospace;line-height:1.2}.add-model-row{display:flex;gap:6px;align-items:center}.add-model-row .input-field{flex:1;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,Courier New,monospace;font-size:.75rem;padding:4px 8px}.add-model-btn{color:#fff;transition:color .2s}.add-model-btn:not(:disabled):hover{color:var(--text-primary)}.add-model-btn:disabled{opacity:.4;cursor:not-allowed}.compact-toggle-row{display:flex;justify-content:space-between;align-items:center}.compact-radio-group{display:flex;gap:4px;padding:2px}.radio-option.compact{display:flex;align-items:center;justify-content:center;width:36px;height:32px;border-radius:6px;cursor:pointer;transition:all .2s;color:var(--text-muted)}.radio-option.compact:hover:not(.disabled){background:var(--bg-hover);color:var(--text-primary)}.radio-option.compact.active{background:#fff;color:#000}.radio-option.compact.disabled{opacity:.4;cursor:not-allowed}.custom-model-item{position:relative;overflow:hidden}.download-progress-bar{position:absolute;left:0;top:0;bottom:0;background:linear-gradient(90deg,#8080804d,#a0a0a080);transition:width .3s ease;z-index:0}.custom-model-item .model-name,.custom-model-item .icon-button{position:relative;z-index:1}.toast-notification{position:fixed;bottom:24px;right:24px;padding:12px 20px;border-radius:8px;font-size:.875rem;font-weight:500;z-index:10000;animation:slideInUp .3s ease;box-shadow:0 4px 12px #0000004d}.toast-notification.success{background:var(--bg-tertiary);color:var(--text-primary);border:1px solid var(--border-color)}.toast-notification.error{background:var(--bg-tertiary);color:#ef4444;border:1px solid var(--border-color)}@keyframes slideInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.settings-section-content.disabled-content{opacity:.4;position:relative;pointer-events:none}.settings-section-content.disabled-content:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;cursor:not-allowed;z-index:1}.settings-section-content.disabled-content .input-field:disabled,.settings-section-content.disabled-content .button:disabled{cursor:not-allowed}.settings-section .tier-icon,.section-title .tier-icon{display:inline-block;width:16px;height:16px;margin-left:6px;vertical-align:middle;background:#fff;border-radius:3px;color:#1a1a1a;padding:3px;box-sizing:border-box}.radio-group.locked{opacity:.7;pointer-events:none}.quota-progress-container{width:100%;height:8px;background-color:#ffffff1a;border-radius:4px;overflow:hidden;border:1px solid rgba(255,255,255,.05)}.quota-progress-fill{height:100%;background-color:#fff;border-radius:4px;transition:width .3s ease}.ollama-help-toggle{display:flex;align-items:center;justify-content:center;width:16px;height:16px;font-size:10px;font-weight:700;border-radius:50%;background:var(--bg-input);border:1px solid var(--border-color);color:var(--text-muted);cursor:pointer;transition:all .2s;margin-left:auto;margin-right:8px;padding:0}.ollama-help-toggle:hover,.ollama-help-toggle.active{background:var(--text-primary);color:var(--bg-primary);border-color:var(--text-primary)}.ollama-help-pane{max-height:0;overflow:hidden;transition:max-height .3s cubic-bezier(.16,1,.3,1),margin-bottom .3s cubic-bezier(.16,1,.3,1),opacity .3s;opacity:0;margin-bottom:0;background:var(--bg-input);border-radius:6px}.ollama-help-pane.open{max-height:500px;opacity:1;margin-bottom:12px}.help-pane-content{padding:10px;font-size:.75rem;line-height:1.5;color:var(--text-primary)}.help-pane-content strong{display:block;margin-bottom:6px;font-size:.8rem}.help-pane-content ol{margin:0;padding-left:16px}.help-pane-content li{margin-bottom:8px}.help-pane-content li:last-child{margin-bottom:0}.help-pane-content a{color:#60a5fa;text-decoration:underline}.help-pane-content a:hover{color:#93c5fd}.help-pane-content code{display:block;margin-top:4px;padding:8px 30px 8px 8px;background:var(--bg-tertiary);border-radius:4px;font-family:ui-monospace,monospace;font-size:.7rem;word-break:break-all;border:1px solid var(--border-color);position:relative}.buy-quota-pane{max-height:0;overflow:hidden;transition:max-height .3s cubic-bezier(.16,1,.3,1),margin-bottom .3s cubic-bezier(.16,1,.3,1),opacity .3s;opacity:0;margin-bottom:0;background:var(--bg-input);border-radius:6px;margin-top:8px}.buy-quota-pane.open{max-height:100px;opacity:1;margin-bottom:12px}.buy-quota-content{padding:10px;display:flex;flex-direction:column;gap:8px;align-items:center;text-align:center}.buy-quota-text{font-size:.75rem;color:var(--text-primary);font-weight:500}.buy-now-btn{background:var(--text-primary);color:var(--bg-primary);border:none;border-radius:4px;padding:4px 12px;font-size:.7rem;font-weight:600;cursor:pointer;opacity:.8}.buy-now-btn:hover{opacity:1}.quota-plus-toggle{display:flex;align-items:center;justify-content:center;width:16px;height:16px;border-radius:50%;background:var(--bg-input);border:1px solid var(--border-color);color:var(--text-muted);cursor:pointer;transition:all .2s;padding:0}.quota-plus-toggle:hover,.quota-plus-toggle.active{background:var(--text-primary);color:var(--bg-primary);border-color:var(--text-primary)}.help-code-copy-btn{position:absolute;top:4px;right:4px;background:transparent;border:none;color:var(--text-muted);cursor:pointer;padding:4px;border-radius:4px;display:flex;align-items:center;justify-content:center;transition:all .2s}.help-code-copy-btn:hover{background:var(--bg-hover);color:var(--text-primary)}.help-os-section{margin-top:8px;margin-bottom:2px;font-size:.7rem;font-weight:600;color:var(--text-muted);text-transform:uppercase}.thread-list{width:100%}.thread-items{display:flex;flex-direction:column;gap:var(--spacing-xs)}.thread-item{display:flex;align-items:center;justify-content:space-between;padding:var(--spacing-sm) var(--spacing-md);background:var(--bg-tertiary);border:1px solid transparent;border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-base)}.thread-item:hover{background:var(--bg-hover);border-color:var(--border-color)}.thread-item.active{background:var(--bg-primary);border-color:var(--text-muted)}.thread-info{flex:1;min-width:0}.thread-title{font-size:.875rem;font-weight:500;color:var(--text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.thread-date{font-size:.75rem;color:var(--text-muted)}.thread-meta{display:flex;align-items:center;gap:6px;margin-top:2px}.thread-badges{display:flex;align-items:center;gap:3px}.thread-badge{display:inline-flex;align-items:center;justify-content:center;width:14px;height:14px;background-color:#fff;color:#000;border-radius:2px;flex-shrink:0}.thread-delete{display:flex;align-items:center;justify-content:center;width:24px;height:24px;background:transparent;border:none;color:var(--text-muted);border-radius:var(--radius-sm);cursor:pointer;opacity:0;transition:all var(--transition-base)}.thread-item:hover .thread-delete{opacity:1}.thread-delete:hover{background:#ffffff1a;color:var(--text-primary)}.thread-empty{padding:var(--spacing-lg);text-align:center;color:var(--text-muted);font-size:.875rem}.thread-loading{display:flex;align-items:center;justify-content:center;padding:var(--spacing-lg);color:var(--text-muted)}@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:"0.16.27"}.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}.chat-message{display:flex;flex-direction:column;width:100%;animation:fadeIn var(--transition-base) ease-out}.chat-message.user{align-items:flex-end}.chat-message.assistant{align-items:flex-start}.message-content-wrapper{display:flex;flex-direction:column;max-width:100%}.chat-message.user .message-content-wrapper{align-items:flex-end;max-width:80%}.chat-message.assistant .message-content-wrapper{width:100%}.user-bubble{background:var(--bg-tertiary);color:var(--text-primary);border:1px solid var(--border-color);padding:var(--spacing-md) var(--spacing-lg);border-radius:var(--radius-xl);border-bottom-right-radius:var(--radius-sm);box-shadow:var(--shadow-sm);word-wrap:break-word;white-space:pre-wrap}.message-text{line-height:1.6}.markdown-content{width:100%;color:var(--text-primary);font-size:1rem;line-height:1.7}.markdown-content p{margin-bottom:1em}.markdown-content p:last-child{margin-bottom:0}.markdown-content h1,.markdown-content h2,.markdown-content h3,.markdown-content h4{margin-top:1.5em;margin-bottom:.5em;font-weight:600;color:var(--text-primary)}.markdown-content ul,.markdown-content ol{margin-bottom:1em;padding-left:1.5em;color:var(--text-secondary)}.markdown-content li{margin-bottom:.5em}.markdown-content strong{color:var(--text-primary);font-weight:600}.code-block-container{margin:var(--spacing-md) 0;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--border-color);background:#1e1e1e}.code-block-header{display:flex;align-items:center;justify-content:space-between;padding:var(--spacing-sm) var(--spacing-md);background:#2d2d2d;color:#e0e0e0;font-size:.75rem;border-bottom:1px solid #333}.code-language{text-transform:lowercase;font-family:inherit;font-weight:500}.copy-button{display:flex;align-items:center;gap:6px;background:transparent;border:none;color:#a0a0a0;cursor:pointer;font-size:.75rem;padding:4px 8px;border-radius:4px;transition:all .2s ease}.copy-button:hover{background:#ffffff1a;color:#fff}.code-block-container pre{margin:0;padding:var(--spacing-md);overflow-x:auto;background:transparent}.code-block-container code{font-family:JetBrains Mono,Fira Code,Consolas,monospace;font-size:.875rem;line-height:1.6;color:#d4d4d4}pre code.hljs{background:transparent!important;padding:0!important}:not(pre)>code,.inline-code{background:#6e768133;padding:.2em .4em;border-radius:6px;font-size:.85em;font-family:JetBrains Mono,monospace;color:var(--text-primary);white-space:pre-wrap;word-break:break-word}.message-timestamp{font-size:.75rem;color:var(--text-muted);margin-top:var(--spacing-xs);opacity:.7}.sources-container{margin-bottom:var(--spacing-lg);width:100%;animation:fadeIn var(--transition-base) ease-out}.sources-header{display:flex;align-items:center;gap:var(--spacing-sm);color:var(--text-secondary);font-size:.875rem;font-weight:500;margin-bottom:var(--spacing-sm)}.sources-list{display:flex;gap:var(--spacing-sm);overflow-x:auto;padding-bottom:var(--spacing-sm);scrollbar-width:thin;scrollbar-color:var(--border-color) transparent}.sources-list::-webkit-scrollbar{height:6px}.sources-list::-webkit-scrollbar-track{background:transparent}.sources-list::-webkit-scrollbar-thumb{background-color:var(--border-color);border-radius:20px}.source-card,.source-card:visited,.source-card:active,.source-card:hover{flex:0 0 auto;width:auto;min-width:140px;max-width:240px;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:8px 12px;cursor:pointer;transition:all .2s ease;display:flex;flex-direction:row;align-items:center;gap:10px;text-decoration:none;color:var(--text-primary)}.source-card:hover{background:var(--bg-tertiary);border-color:var(--text-muted);transform:translateY(-1px)}.source-icon{width:20px;height:20px;display:flex;align-items:center;justify-content:center;background:var(--bg-primary);border-radius:50%;color:var(--text-secondary);flex-shrink:0}.source-info{display:flex;flex-direction:column;overflow:hidden;flex:1;min-width:0}.source-title{font-size:.8rem;font-weight:500;color:var(--text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-bottom:2px}.source-path{font-size:.7rem;color:var(--text-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.search-timeline{display:flex;flex-direction:column;gap:12px;margin-bottom:16px;background:var(--bg-secondary);border-radius:var(--radius-md);padding:12px 16px;border:1px solid var(--border-color);font-size:14px;transition:all .3s ease;width:100%;box-sizing:border-box}.search-timeline.collapsed{padding:8px 12px}.timeline-collapse-header{display:flex;align-items:center;justify-content:space-between;cursor:pointer;-webkit-user-select:none;user-select:none;padding:4px 0;transition:opacity .2s ease}.timeline-collapse-header:hover{opacity:.8}.timeline-collapse-title{font-weight:500;color:var(--text-primary);font-size:14px}.timeline-collapse-button{background:none;border:none;color:var(--text-secondary);cursor:pointer;padding:4px;display:flex;align-items:center;justify-content:center;border-radius:4px;transition:all .2s ease}.timeline-collapse-button:hover{background:var(--bg-tertiary)}.timeline-items-container{display:flex;flex-direction:column;gap:12px;margin-top:8px;padding-top:8px;border-top:1px solid var(--border-color);animation:fadeIn .3s ease-out}.timeline-item{display:flex;gap:12px;align-items:flex-start}.timeline-status-icon{margin-top:2px;color:var(--success-color, #10b981);display:flex;align-items:center;justify-content:center;width:20px}.timeline-status-icon.searching{color:var(--warning-color, #f59e0b)}.spin{animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.timeline-content{display:flex;flex-direction:column;gap:4px;flex:1;min-width:0;width:100%}.timeline-header{font-weight:500;color:var(--text-primary)}.timeline-file-list{display:flex;flex-direction:column;gap:4px;margin-top:4px;padding-left:0}.timeline-file-row{display:flex;align-items:center;gap:8px;color:var(--text-secondary);font-size:13px;font-family:Consolas,Monaco,monospace;word-break:break-all;position:relative;cursor:default;padding:2px 4px;border-radius:4px;transition:background-color .2s}.timeline-file-row:hover{background-color:var(--bg-tertiary)}.timeline-file-icon{opacity:.7;flex-shrink:0}.timeline-file-tooltip{visibility:hidden;opacity:0;position:absolute;bottom:100%;left:0;margin-bottom:8px;width:min(400px,80vw);background-color:#1e1e1e;color:#e0e0e0;padding:12px;border-radius:8px;border:1px solid #333;box-shadow:0 4px 12px #00000080;z-index:1000;font-family:var(--font-primary);font-size:12px;line-height:1.5;transition:all .2s ease;pointer-events:none;white-space:pre-wrap;word-wrap:break-word;text-align:left}.timeline-file-row:hover .timeline-file-tooltip{visibility:visible;opacity:1;transform:translateY(0);pointer-events:auto}.timeline-file-tooltip:after{content:"";position:absolute;top:100%;left:20px;border-width:6px;border-style:solid;border-color:#333 transparent transparent transparent}.tooltip-title{font-weight:600;color:#fff;margin-bottom:8px;font-size:11px;text-transform:uppercase;letter-spacing:.5px;border-bottom:1px solid #333;padding-bottom:4px}.tooltip-content{max-height:200px;overflow-y:auto;scrollbar-width:thin;scrollbar-color:#444 transparent;font-family:Consolas,monospace;color:#ccc}.tooltip-content::-webkit-scrollbar{width:4px}.tooltip-content::-webkit-scrollbar-thumb{background-color:#444}.timeline-query{margin-top:4px;font-size:13px;color:var(--text-primary);font-style:italic;background:var(--bg-tertiary);padding:4px 8px;border-radius:4px;display:block;word-wrap:break-word;overflow-wrap:break-word}.query-label{font-weight:600;font-style:normal;color:var(--text-muted);margin-right:4px}.thinking-loader{display:flex;gap:6px;padding:0 4px;margin-top:-8px;margin-bottom:16px;animation:fadeIn .2s ease-out;align-self:flex-start}.thinking-loader span{width:6px;height:6px;border-radius:50%;background:var(--text-muted);animation:pulse 1.4s ease-in-out infinite}.thinking-loader span:nth-child(2){animation-delay:.2s}.thinking-loader span:nth-child(3){animation-delay:.4s}.queued-indicator{display:flex;align-items:center;gap:8px;padding:8px 12px;margin-bottom:16px;background:var(--bg-tertiary);border:1px solid var(--border-color);border-radius:var(--radius-md);color:var(--text-muted);font-size:.85rem;animation:fadeIn .3s ease-out}.queued-indicator .spin{color:var(--text-secondary)}.llm-reply-info{display:flex;align-items:center;gap:3px;margin-top:12px;padding-top:12px;border-top:1px solid var(--border-color);font-size:.8rem;color:var(--text-muted)}.llm-model-name{font-weight:500;color:var(--text-secondary)}.llm-model-badge{display:inline-flex;align-items:center;justify-content:center;width:14px;height:14px;background-color:#fff;color:#000;border-radius:2px;flex-shrink:0}.llm-kb-icon{margin-left:8px;color:var(--text-secondary)}.llm-kb-name{font-weight:400;color:var(--text-secondary);margin-left:2px}.llm-gem-badge{margin-right:0}.chat-input-container{position:relative;padding:var(--spacing-lg);background:var(--bg-primary)}.input-form{max-width:800px;margin:0 auto}.input-wrapper{display:flex;flex-direction:column;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-xl);padding:var(--spacing-md);transition:all var(--transition-base)}.input-wrapper:focus-within{border-color:var(--text-muted)}.input-row{display:flex;align-items:flex-start;gap:var(--spacing-sm);margin-bottom:var(--spacing-sm)}.message-input{flex:1;min-height:24px;max-height:200px;padding:var(--spacing-sm) 0;background:transparent;border:none;color:var(--text-primary);font-size:1rem;font-family:inherit;line-height:1.5;resize:none;overflow-y:auto}.message-input:focus{outline:none}.message-input::placeholder{color:var(--text-muted)}.input-footer{display:flex;align-items:center;justify-content:space-between;gap:var(--spacing-sm)}.footer-controls{display:flex;align-items:center;gap:var(--spacing-sm);flex-wrap:wrap}.selection-dropdown{position:relative}.selection-button{display:flex;align-items:center;gap:var(--spacing-xs);padding:6px 12px;background:transparent;border:1px solid var(--border-color);border-radius:var(--radius-md);color:var(--text-secondary);font-size:.8rem;font-weight:500;cursor:pointer;transition:all var(--transition-base)}.selection-button:hover{background:var(--bg-hover);color:var(--text-primary);border-color:var(--text-muted)}.selection-text{max-width:150px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-weight:600}.selection-text-full{white-space:nowrap;font-weight:600}.chat-input-toggle{display:flex;align-items:center;gap:8px;padding:6px 12px;background:transparent;border:1px solid var(--border-color);border-radius:var(--radius-md);color:var(--text-muted);font-size:.8rem;font-weight:500;cursor:pointer;transition:all var(--transition-base);font-family:inherit}.chat-input-toggle:hover{background:var(--bg-hover);color:var(--text-secondary)}.chat-input-toggle.active{background:var(--text-primary);color:var(--bg-primary);border-color:var(--text-primary);box-shadow:none}.chat-input-toggle.active:hover{background:var(--accent-hover);color:var(--bg-primary)}.chat-input-toggle.disabled-toggle{opacity:.4;cursor:not-allowed}.chat-input-toggle.disabled-toggle:hover{background:transparent;color:var(--text-muted)}.send-button-wrapper{margin-left:auto}.send-button{display:flex;align-items:center;justify-content:center;width:32px;height:32px;background:var(--text-primary);border:none;border-radius:var(--radius-md);color:var(--bg-primary);cursor:pointer;transition:all var(--transition-base)}.send-button:hover:not(:disabled){background:var(--accent-hover);transform:translateY(-1px)}.send-button:disabled{opacity:.3;cursor:not-allowed}.stop-button{background:var(--error-color, #ef4444)!important}.stop-button:hover{background:var(--error-hover, #dc2626)!important}.dropdown-menu{position:absolute;bottom:calc(100% + 8px);left:0;width:max-content;min-width:200px;max-width:600px;background:var(--bg-tertiary);border:1px solid var(--border-color);border-radius:var(--radius-lg);box-shadow:var(--shadow-xl);padding:var(--spacing-sm);z-index:100}.menu-section{padding:var(--spacing-xs) 0}.menu-title{font-size:.75rem;font-weight:600;text-transform:uppercase;color:var(--text-muted);margin-bottom:var(--spacing-sm);padding:0 var(--spacing-sm)}.menu-label{font-size:.75rem;font-weight:500;color:var(--text-muted);padding:8px;margin-top:8px}.menu-item{display:flex;align-items:center;gap:8px;width:100%;padding:6px 10px;background:transparent;border:none;border-radius:var(--radius-md);color:var(--text-secondary);font-size:.85rem;text-align:left;cursor:pointer;white-space:nowrap}.menu-item:hover{background:var(--bg-hover);color:var(--text-primary)}.menu-item.active{background:var(--bg-hover);color:var(--text-primary);font-weight:600}.menu-item.disabled{opacity:.5;cursor:not-allowed}.model-badge{padding:2px 6px;border-radius:4px;font-size:.6rem;font-weight:600;text-transform:uppercase;border:1px solid var(--border-color)}.model-badge.free{background:var(--bg-primary);color:var(--text-secondary)}.model-badge.paid{background:var(--bg-hover);color:var(--text-primary)}.status-badge{display:inline-flex;align-items:center;justify-content:center;width:14px;height:14px;background-color:#fff;color:#000;border-radius:2px;flex-shrink:0}.menu-item img,.menu-item svg,.selection-button img,.selection-button svg{flex-shrink:0}.menu-item>span:first-child,.selection-button>span:first-child{display:inline-flex;align-items:center}.login-container{display:flex;align-items:center;justify-content:center;min-height:100vh;background:var(--bg-primary);padding:var(--spacing-md)}.login-card{width:100%;max-width:380px;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:1.5rem;box-shadow:var(--shadow-xl);animation:fadeIn var(--transition-slow) ease-out}.login-header{text-align:center;margin-bottom:1rem}.login-logo{font-size:2rem;font-weight:700;color:var(--text-primary);margin-bottom:.25rem;letter-spacing:-.03em}.login-subtitle{font-size:.875rem;color:var(--text-muted)}.login-form{display:flex;flex-direction:column;gap:1rem}.form-group{display:flex;flex-direction:column;gap:.25rem}.form-label{font-size:.75rem;font-weight:500;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.05em}.form-input{width:100%;padding:.5rem .75rem;background:var(--bg-input);border:1px solid var(--border-color);border-radius:var(--radius-md);color:var(--text-primary);font-size:.9rem;font-family:inherit;transition:all var(--transition-base)}.form-input:focus{outline:none;border-color:var(--text-muted);box-shadow:0 0 0 3px #ffffff0d}.form-input::placeholder{color:var(--text-muted)}.login-button{display:flex;align-items:center;justify-content:center;gap:.5rem;width:100%;padding:.6rem;margin-top:.5rem;background:var(--text-primary);color:var(--bg-primary);border:none;border-radius:var(--radius-md);font-size:.9rem;font-weight:600;cursor:pointer;transition:all var(--transition-base)}.login-button:hover:not(:disabled){background:var(--accent-hover);transform:translateY(-1px);box-shadow:var(--shadow-lg)}.login-button:active:not(:disabled){transform:translateY(0)}.login-button:disabled{opacity:.5;cursor:not-allowed}.login-divider{display:flex;align-items:center;gap:1rem;margin:.75rem 0;color:var(--text-muted);font-size:.8rem}.login-divider:before,.login-divider:after{content:"";flex:1;height:1px;background:var(--border-color)}.magic-link-button{display:flex;align-items:center;justify-content:center;gap:.5rem;width:100%;padding:.6rem;background:var(--bg-tertiary);color:var(--text-secondary);border:1px solid var(--border-color);border-radius:var(--radius-md);font-size:.9rem;font-weight:500;cursor:pointer;transition:all var(--transition-base)}.magic-link-button:hover:not(:disabled){background:var(--bg-hover);color:var(--text-primary);border-color:var(--text-muted)}.magic-link-button:disabled{opacity:.5;cursor:not-allowed}.login-toggle{margin-top:1rem;text-align:center;font-size:.8rem;color:var(--text-muted)}.login-toggle-link{color:var(--text-primary);background:none;border:none;cursor:pointer;font-weight:500;text-decoration:underline;font-size:inherit;font-family:inherit}.login-toggle-link:hover{color:var(--accent-hover)}.login-error{padding:.5rem;background:#ff64641a;border:1px solid rgba(255,100,100,.3);border-radius:var(--radius-md);color:#ff6b6b;font-size:.8rem;text-align:center}.login-success{padding:.5rem;background:#64ff641a;border:1px solid rgba(100,255,100,.3);border-radius:var(--radius-md);color:#6bff6b;font-size:.8rem;text-align:center}.loading-spinner{width:18px;height:18px;border:2px solid var(--bg-primary);border-top-color:transparent;border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.pricing-page{height:100vh;min-height:100vh;background:var(--bg-primary);padding:1rem;display:flex;flex-direction:column;align-items:center;color:var(--text-primary);overflow:hidden}.pricing-header{text-align:center;margin-bottom:1.5rem;flex-shrink:0}.pricing-header h1{font-size:2rem;font-weight:700;color:var(--text-primary);margin-bottom:.25rem}.pricing-header p{color:var(--text-secondary);font-size:1rem}.pricing-loading{color:var(--text-muted);font-size:1.2rem;padding:4rem}.pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;max-width:1000px;width:100%;height:100%;margin-bottom:.5rem}@media(max-width:900px){.pricing-page{overflow-y:auto;height:auto}.pricing-grid{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}}.pricing-card{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:1.25rem;display:flex;flex-direction:column;transition:border-color var(--transition-base);position:relative;height:100%}.pricing-card:hover{border-color:var(--accent-hover)}.pricing-card.current{border-color:var(--text-primary);background:var(--bg-tertiary)}.pricing-card.featured{border-color:var(--text-secondary)}.featured-badge{position:absolute;top:-10px;right:15px;background:var(--text-primary);color:var(--bg-primary);padding:.2rem .8rem;border-radius:20px;font-size:.7rem;font-weight:600;text-transform:uppercase;letter-spacing:.5px;line-height:1}.tier-header{text-align:center;margin-bottom:1rem;flex-shrink:0}.tier-icon{width:32px;height:32px;margin-bottom:.5rem;color:var(--text-secondary)}.pricing-card.current .tier-icon{color:var(--text-primary)}.tier-header h2{font-size:1.25rem;font-weight:600;color:var(--text-primary);margin-bottom:.25rem}.tier-description{color:var(--text-secondary);font-size:.85rem;line-height:1.3;min-height:6rem}.tier-price{text-align:center;margin-bottom:1rem;padding:.75rem 0;flex-shrink:0}.tier-price .price{font-size:2rem;font-weight:700;color:var(--text-primary)}.feature-list{list-style:none;padding:0;margin:0 0 1.5rem;flex:1;overflow-y:auto}.feature-list::-webkit-scrollbar{width:4px}.feature-list::-webkit-scrollbar-thumb{background-color:var(--border-color);border-radius:4px}.feature-list li{display:flex;align-items:center;gap:.5rem;padding:.35rem 0;font-size:.9rem}.feature-list li.included{color:var(--text-primary)}.feature-list li.excluded{color:var(--text-muted)}.feature-icon{width:16px;height:16px;flex-shrink:0}.feature-icon.check{color:var(--text-primary)}.feature-icon.x{color:var(--text-muted)}.tier-action{margin-top:auto;flex-shrink:0}.tier-button{width:100%;padding:.75rem;border:none;border-radius:var(--radius-md);font-size:.95rem;font-weight:600;cursor:pointer;transition:all var(--transition-base);background:var(--bg-tertiary);color:var(--text-primary);border:1px solid var(--border-color)}.tier-button:hover:not(:disabled){background:var(--bg-hover);border-color:var(--text-primary)}.tier-button.current{background:var(--bg-primary);color:var(--text-muted);border-color:transparent;cursor:default}.tier-button.trial{background:transparent;color:var(--text-muted);border:1px dashed var(--border-color);cursor:default}.tier-button.standard,.tier-button.essentials{background:var(--text-primary);color:var(--bg-primary);border-color:transparent}.tier-button.standard:hover:not(:disabled),.tier-button.essentials:hover:not(:disabled){background:var(--accent-hover);transform:translateY(-1px)}.tier-button:disabled{opacity:.7;cursor:not-allowed;transform:none!important}.tier-button.secondary{margin-top:.5rem;background:transparent;color:var(--text-secondary);border:1px solid var(--border-color)}.tier-button.secondary:hover:not(:disabled){color:var(--text-primary);border-color:var(--text-primary);background:var(--bg-hover)}.billing-notice{margin-top:.75rem;font-size:.8rem;color:var(--text-secondary);text-align:center}.pricing-footer{padding-top:.5rem;padding-bottom:.5rem;text-align:center;color:var(--text-muted);font-size:.8rem;flex-shrink:0}.contact-modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:transparent;z-index:999}.contact-modal{position:fixed;top:70px;right:20px;width:300px;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:1.5rem;box-shadow:0 4px 20px #00000080;animation:popoverFadeIn .2s ease-out;z-index:1000}@keyframes popoverFadeIn{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.modal-close{position:absolute;top:.75rem;right:.75rem;background:none;border:none;color:var(--text-muted);cursor:pointer;padding:.25rem;border-radius:4px;transition:all .2s}.modal-close:hover{color:var(--text-primary);background:var(--bg-hover)}.modal-content{text-align:left;display:flex;flex-direction:column;align-items:flex-start}.modal-header{display:flex;align-items:center;gap:.75rem;margin-bottom:1rem}.modal-icon.contact-icon{width:20px;height:20px;color:var(--text-primary);margin-bottom:0}.modal-content h2{font-size:1.1rem;font-weight:600;color:var(--text-primary);margin:0}.modal-content p{color:var(--text-secondary);line-height:1.4;margin-bottom:1.25rem;font-size:.9rem}.email-link-btn{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;padding:.6rem;border:none;border-radius:var(--radius-md);font-size:.9rem;font-weight:600;cursor:pointer;background:var(--text-primary);color:var(--bg-primary);text-decoration:none;transition:all .2s;margin-bottom:1rem;box-shadow:none}.email-link-btn:hover{opacity:.9;transform:translateY(-1px);box-shadow:0 2px 8px #0003}.footer-text{font-size:.75rem!important;margin-bottom:0!important;color:var(--text-muted)!important;text-align:left}