body{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;background:linear-gradient(135deg,#667eea,#764ba2);min-height:100vh;padding:20px}.App{max-width:900px;margin:0 auto;padding:40px;background:#fff;border-radius:16px;box-shadow:0 20px 60px #0000004d;line-height:1.6}h1{text-align:center;color:#1a1a1a;margin-bottom:30px;font-size:2.5em;font-weight:700;background:linear-gradient(135deg,#667eea,#764ba2);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.App>p{text-align:center;padding:15px;background:#f8f9fa;border-radius:8px;margin-bottom:25px}.App>p button{margin-left:10px}.auth{max-width:400px;margin:0 auto;padding:30px}.auth h2{text-align:center;color:#333;margin-bottom:25px}.auth input{width:100%;padding:14px;margin-bottom:15px;border:2px solid #e0e0e0;border-radius:8px;font-size:16px;transition:border-color .3s;box-sizing:border-box}.auth input:focus{outline:none;border-color:#667eea}.auth button{width:100%;padding:14px;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;border-radius:8px;font-size:16px;font-weight:600;cursor:pointer;transition:transform .2s,box-shadow .2s}.auth button:hover{transform:translateY(-2px);box-shadow:0 6px 20px #667eea66}.auth p{text-align:center;margin-top:20px;color:#667eea;cursor:pointer;font-weight:500}.auth p:hover{text-decoration:underline}.input-group{display:flex;gap:10px;margin-bottom:20px}.input-group input{flex:1;padding:14px 18px;border:2px solid #e0e0e0;border-radius:8px;font-size:16px;transition:border-color .3s}.input-group input:focus{outline:none;border-color:#667eea}.input-group button{padding:14px 30px;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;border-radius:8px;font-size:16px;font-weight:600;cursor:pointer;transition:transform .2s,box-shadow .2s;white-space:nowrap}.input-group button:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 6px 20px #667eea66}.input-group button:disabled{background:#ccc;cursor:not-allowed}button{padding:10px 20px;background:#667eea;color:#fff;border:none;border-radius:6px;font-size:14px;font-weight:600;cursor:pointer;transition:all .2s}button:hover:not(:disabled){background:#5568d3;transform:translateY(-1px)}button:disabled{background:#ccc;cursor:not-allowed}.loading{text-align:center;padding:40px;color:#667eea;font-size:18px;font-weight:500;animation:pulse 1.5s ease-in-out infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.answer{margin-top:30px;padding:30px;background:#f8f9fa;border-left:5px solid #667eea;border-radius:8px;font-size:16px;line-height:1.8;box-shadow:0 2px 8px #0000000d}.answer h2,.answer h3,.answer h4{color:#667eea;margin-top:1.5em;margin-bottom:.5em}.answer h2{font-size:1.8em;border-bottom:2px solid #667eea;padding-bottom:.3em}.answer h3{font-size:1.4em}.answer ul,.answer ol{padding-left:2em;margin:1em 0}.answer li{margin:.5em 0}.answer p{margin:1em 0}.answer code{background:#e9ecef;padding:2px 6px;border-radius:3px;font-family:Courier New,monospace;font-size:.9em}.answer pre{background:#2d2d2d;color:#f8f8f2;padding:15px;border-radius:6px;overflow-x:auto;margin:1.5em 0}.answer pre code{background:none;color:inherit;padding:0}.answer strong{color:#333;font-weight:600}.admin-btn{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;padding:10px 20px;border-radius:6px;cursor:pointer;font-weight:600;transition:all .2s;box-shadow:0 2px 8px #667eea4d;margin-left:10px}.admin-btn:hover{transform:translateY(-2px);box-shadow:0 4px 12px #667eea80}.llm-selector{background:#f8f9fa;padding:15px 20px;border-radius:8px;margin-bottom:20px;display:flex;align-items:center;gap:15px;flex-wrap:wrap}.llm-selector label{font-weight:600;color:#333;font-size:16px;margin-right:5px}.llm-options{display:flex;gap:10px;flex-wrap:wrap}.llm-options button{padding:10px 20px;border:2px solid #e0e0e0;background:#fff;border-radius:6px;cursor:pointer;font-size:14px;font-weight:600;transition:all .2s;min-width:100px;display:flex;align-items:center;justify-content:center;gap:5px}.llm-options button:hover:not(:disabled){border-color:#667eea;background:#f8f9ff;transform:translateY(-1px)}.llm-options button.active{border-color:#667eea;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;box-shadow:0 2px 8px #667eea4d}.llm-options button:disabled{opacity:.5;cursor:not-allowed;background:#f5f5f5}.llm-current strong{color:#667eea}.document-actions{display:flex;gap:10px;margin-bottom:20px}.action-btn{flex:1;padding:12px 20px;border:2px solid #667eea;background:#fff;color:#667eea;border-radius:8px;cursor:pointer;font-size:16px;font-weight:600;transition:all .2s}.action-btn:hover{background:#667eea;color:#fff;transform:translateY(-2px)}.action-btn.submit-document{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none}.submit-form{max-width:800px;margin:0 auto}.submit-form input,.submit-form textarea,.submit-form select{width:100%;padding:14px;margin-bottom:15px;border:2px solid #e0e0e0;border-radius:8px;font-size:16px;font-family:inherit;box-sizing:border-box}.submit-form textarea{resize:vertical;min-height:100px}.submit-form select{cursor:pointer}.submit-btn{width:100%;padding:16px;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;border-radius:8px;font-size:18px;font-weight:600;cursor:pointer;transition:all .2s}.submit-btn:hover{transform:translateY(-2px);box-shadow:0 6px 20px #667eea66}.submissions-container{max-width:1000px;margin:0 auto}.submissions-list{display:flex;flex-direction:column;gap:20px}.submission-card{background:#fff;border:2px solid #e0e0e0;border-radius:12px;padding:20px;transition:all .2s}.submission-card:hover{border-color:#667eea;box-shadow:0 4px 12px #667eea1a}.submission-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}.submission-header h3{margin:0;color:#333;font-size:1.3em}.status-badge{padding:6px 12px;border-radius:20px;font-size:12px;font-weight:600;text-transform:uppercase}.status-pending{background:#fff3cd;color:#856404}.status-approved{background:#d4edda;color:#155724}.status-rejected{background:#f8d7da;color:#721c24}.status-processed{background:#d1ecf1;color:#0c5460}.submission-description{color:#666;margin:10px 0;font-style:italic}.submission-meta{display:flex;gap:20px;margin:15px 0;font-size:14px;color:#888}.submission-tags{display:flex;gap:8px;flex-wrap:wrap;margin:15px 0}.tag{background:#e9ecef;color:#495057;padding:4px 10px;border-radius:12px;font-size:13px}.submission-votes{display:flex;gap:15px;margin:15px 0;font-size:14px}.submission-content{margin-top:15px;padding:15px;background:#f8f9fa;border-radius:8px;white-space:pre-wrap;font-family:Courier New,monospace;font-size:14px;line-height:1.6;max-height:400px;overflow-y:auto}details{cursor:pointer;margin-top:15px}details summary{color:#667eea;font-weight:600;padding:10px;background:#f8f9ff;border-radius:6px;-webkit-user-select:none;user-select:none}details summary:hover{background:#eef1ff}details[open] summary{margin-bottom:10px}.katex{font-size:1.1em}.katex-display{margin:1.5em 0;overflow-x:auto;overflow-y:hidden}@media(max-width:768px){.App{padding:20px}h1{font-size:2em}.input-group{flex-direction:column}.input-group button{width:100%}.answer{padding:20px;font-size:14px}.document-actions{flex-direction:column}}*{transition:background-color .2s ease,border-color .2s ease}.upload-method-selector{display:flex;gap:20px;margin-bottom:25px;padding:20px;background:#f8f9fa;border-radius:8px}.upload-method-selector label{display:flex;align-items:center;gap:10px;cursor:pointer;font-weight:600;font-size:16px}.upload-method-selector input[type=radio]{width:20px;height:20px;cursor:pointer}.upload-method-selector span{-webkit-user-select:none;user-select:none}.file-upload-area{margin-bottom:20px}.file-upload-label{display:block;padding:40px;border:3px dashed #667eea;border-radius:12px;text-align:center;cursor:pointer;transition:all .3s;background:#f8f9ff}.file-upload-label:hover{border-color:#764ba2;background:#eef1ff;transform:translateY(-2px)}.file-upload-label strong{color:#667eea;font-size:18px}.file-upload-label small{color:#888;font-size:14px}*{margin:0;padding:0;box-sizing:border-box}body{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}.App{min-height:100vh;display:flex;flex-direction:column;background:linear-gradient(135deg,#667eea,#764ba2)}.App-header{background:#fffffff2;padding:15px 30px;box-shadow:0 2px 10px #0000001a;position:sticky;top:0;z-index:100}.header-content{max-width:1400px;margin:0 auto;display:flex;justify-content:space-between;align-items:center}.App-header h1{font-size:24px;color:#333;font-weight:700;margin:0}.auth-section{display:flex;align-items:center;gap:10px;font-size:14px}.auth-section span{color:#333;font-weight:500}.auth-section button{padding:8px 16px;font-size:14px;border:none;border-radius:6px;cursor:pointer;font-weight:600;transition:all .2s;background:#667eea;color:#fff}.auth-section button:hover{transform:translateY(-1px);box-shadow:0 2px 8px #667eea66}.upgrade-btn{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;padding:8px 16px;border-radius:6px;font-size:14px;font-weight:600;cursor:pointer;transition:all .3s;box-shadow:0 2px 8px #667eea4d}.upgrade-btn:hover{transform:translateY(-2px);box-shadow:0 4px 12px #667eea80}.App-main{flex:1;padding:40px 20px;max-width:1200px;width:100%;margin:0 auto}.welcome-message{background:#fff;padding:60px 40px;border-radius:16px;text-align:center;box-shadow:0 4px 20px #0000001a}.welcome-message h2{font-size:32px;color:#333;margin-bottom:16px}.welcome-message p{font-size:18px;color:#666}.chat-container{background:#fff;padding:30px;border-radius:16px;box-shadow:0 4px 20px #0000001a}.question-form{display:flex;gap:10px;margin-bottom:30px}.question-input{flex:1;padding:14px 18px;font-size:16px;border:2px solid #e0e0e0;border-radius:10px;transition:border-color .2s;font-family:inherit}.question-input:focus{outline:none;border-color:#667eea}.ask-button{padding:14px 32px;font-size:16px;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;border-radius:10px;cursor:pointer;font-weight:600;transition:all .2s;min-width:120px}.ask-button:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 4px 12px #667eea66}.ask-button:disabled{opacity:.6;cursor:not-allowed}.response-container{margin-top:20px}.response-container h3{font-size:20px;color:#333;margin-bottom:16px}.response-text{padding:20px;background:#f8f9fa;border-radius:10px;line-height:1.7;color:#333;font-size:16px;white-space:pre-wrap;word-wrap:break-word}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#0009;display:flex;justify-content:center;align-items:center;z-index:1000;padding:20px}.modal-content{background:#fff;padding:40px;border-radius:16px;box-shadow:0 8px 32px #0003;max-width:400px;width:100%}.modal-content h2{font-size:28px;color:#333;margin-bottom:24px;text-align:center}.modal-content form{display:flex;flex-direction:column;gap:16px}.modal-content input{padding:14px 16px;font-size:16px;border:2px solid #e0e0e0;border-radius:8px;transition:border-color .2s;font-family:inherit}.modal-content input:focus{outline:none;border-color:#667eea}.modal-buttons{display:flex;gap:12px;margin-top:8px}.modal-buttons button{flex:1;padding:14px;font-size:16px;border:none;border-radius:8px;cursor:pointer;font-weight:600;transition:all .2s}.modal-buttons button[type=submit]{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff}.modal-buttons button[type=submit]:hover{transform:translateY(-2px);box-shadow:0 4px 12px #667eea66}.modal-buttons button[type=button]{background:#e0e0e0;color:#333}.modal-buttons button[type=button]:hover{background:#d0d0d0}@media(max-width:768px){.App-header{padding:12px 16px}.header-content{flex-direction:column;gap:12px}.App-header h1{font-size:20px}.auth-section{flex-wrap:wrap;justify-content:center;font-size:13px}.auth-section button{padding:6px 12px;font-size:13px}.App-main{padding:20px 12px}.chat-container{padding:20px}.question-form{flex-direction:column}.modal-content{padding:24px}.welcome-message{padding:40px 24px}.welcome-message h2{font-size:24px}}.project-context-banner{margin:20px 0;padding:15px 20px;background:linear-gradient(135deg,#667eea,#764ba2);border-radius:8px;display:flex;justify-content:space-between;align-items:center;box-shadow:0 4px 12px #667eea33;color:#fff}.project-info{display:flex;align-items:center;gap:15px;flex:1}.project-badge{font-size:12px;font-weight:700;background:#fff3;padding:6px 12px;border-radius:20px;white-space:nowrap}.project-details h3{margin:0;font-size:18px;font-weight:600;color:#fff}.project-objectives{margin:6px 0 0;font-size:14px;color:#ffffffe6;max-width:600px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.close-project-btn{background:#fff3;border:1px solid rgba(255,255,255,.3);color:#fff;width:32px;height:32px;border-radius:50%;cursor:pointer;font-size:18px;display:flex;align-items:center;justify-content:center;transition:all .2s ease}.close-project-btn:hover{background:#ffffff4d;border-color:#ffffff80}.llm-selector{margin:20px 0;padding:15px;background:#f5f5f5;border-radius:8px;display:flex;align-items:center;gap:15px}.llm-selector label{font-weight:600;color:#333;margin-right:10px}.llm-options{display:flex;gap:10px}.llm-options button{padding:8px 16px;border:2px solid #ddd;background:#fff;border-radius:6px;cursor:pointer;font-size:14px;transition:all .2s;font-weight:500}.llm-options button:hover:not(:disabled){border-color:#666;transform:translateY(-1px)}.llm-options button.active{background:#4caf50;color:#fff;border-color:#4caf50}.llm-options button:disabled{opacity:.5;cursor:not-allowed}.llm-current{margin-left:auto;color:#666;font-size:14px}.llm-current strong{color:#333}.response-text .katex-display{margin:1em 0}.response-text .katex{font-size:1.1em}.conversation-container{flex:1;overflow-y:auto;padding:20px;display:flex;flex-direction:column;gap:16px;max-height:60vh;background:#fafafa;border-radius:12px;margin-bottom:20px}.conversation-thread{display:flex;flex-direction:column;gap:16px}.message{max-width:85%;padding:12px 16px;border-radius:12px;animation:messageSlideIn .3s ease}.message.user{align-self:flex-end;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border-bottom-right-radius:4px}.message.assistant{align-self:flex-start;background:#fff;color:#333;border-bottom-left-radius:4px;border:1px solid #e0e0e0;box-shadow:0 2px 4px #0000000d}.message-role{font-size:12px;font-weight:600;margin-bottom:8px;opacity:.85}.message.user .message-role{color:#ffffffe6}.message.assistant .message-role{color:#667eea}.message-content{line-height:1.6}.message-content p{margin:0 0 10px}.message-content p:last-child{margin-bottom:0}.message-content .katex-display{margin:15px 0;overflow-x:auto}.message-content code{background:#0000000d;padding:2px 6px;border-radius:4px;font-size:.9em}.message.user .message-content code{background:#fff3}.message.loading{opacity:.7}.message.loading .message-content{color:#888;font-style:italic}.message.loading .message-content:after{content:"";animation:dots 1.5s infinite}@keyframes dots{0%,20%{content:""}40%{content:"."}60%{content:".."}80%,to{content:"..."}}.empty-conversation{text-align:center;padding:60px 20px;color:#888}.empty-conversation p{font-size:18px;margin:10px 0}.empty-conversation .hint{font-size:14px;color:#aaa;font-style:italic}.new-conversation-btn{background:#6c757d;color:#fff;border:none;padding:8px 16px;border-radius:6px;cursor:pointer;font-size:14px;transition:all .2s;display:flex;align-items:center;gap:6px}.new-conversation-btn:hover:not(:disabled){background:#5a6268;transform:translateY(-1px)}.new-conversation-btn:disabled{opacity:.5;cursor:not-allowed}@keyframes messageSlideIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.conversation-container::-webkit-scrollbar{width:6px}.conversation-container::-webkit-scrollbar-track{background:#f1f1f1;border-radius:3px}.conversation-container::-webkit-scrollbar-thumb{background:#ccc;border-radius:3px}.conversation-container::-webkit-scrollbar-thumb:hover{background:#999}.input-area{display:flex;gap:10px;padding:15px;background:#fff;border-radius:12px;box-shadow:0 -2px 10px #0000000d}.input-area input{flex:1;padding:12px 16px;border:2px solid #e0e0e0;border-radius:8px;font-size:16px;transition:border-color .2s}.input-area input:focus{outline:none;border-color:#667eea}.input-area button{padding:12px 24px;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;border-radius:8px;font-size:16px;font-weight:600;cursor:pointer;transition:all .2s}.input-area button:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 4px 12px #667eea66}.input-area button:disabled{opacity:.6;cursor:not-allowed}.conversation-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:15px;padding-bottom:10px;border-bottom:1px solid #eee}.conversation-header h3{margin:0;font-size:16px;color:#333}.conversation-stats{font-size:12px;color:#888}@media(max-width:768px){.conversation-container{max-height:50vh;padding:15px}.message{max-width:95%;padding:10px 12px}.input-area{flex-direction:column}.input-area button{width:100%}}.message.assistant .comparison-response{border-top:1px solid #eee;margin-top:15px;padding-top:15px}.message.assistant h2{font-size:16px;margin:0 0 10px}.message.assistant hr{border:none;border-top:1px dashed #ddd;margin:20px 0}@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;position:relative;text-indent:0;text-rendering:auto}.katex *{-ms-high-contrast-adjust:none!important;border-color:currentColor}.katex .katex-version:after{content:"0.16.47"}.katex .katex-mathml{border:0;-webkit-clip-path:inset(50%);clip-path:inset(50%);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 .smash{display:inline;line-height:0}.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;display:block;height:inherit;position:absolute;width:100%}.katex svg path{stroke:none}.katex svg{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}.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}.document-viewer{max-width:1000px!important;width:95%;max-height:90vh;display:flex;flex-direction:column;overflow-y:auto;background:#fff;border-radius:12px}.viewer-header{display:flex;justify-content:space-between;align-items:flex-start;padding:25px 30px;border-bottom:2px solid #e0e0e0;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;flex-shrink:0}.viewer-title-section{flex:1;display:flex;align-items:center;gap:15px;flex-wrap:wrap}.viewer-header h2{margin:0;font-size:24px;font-weight:600;line-height:1.3}.viewer-header .close-btn{background:#fff3;border:none;color:#fff;font-size:24px;cursor:pointer;width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;transition:background .2s;flex-shrink:0}.viewer-header .close-btn:hover{background:#ffffff4d}.status-badge{padding:6px 14px;border-radius:20px;font-size:14px;font-weight:600;white-space:nowrap;display:inline-flex;align-items:center;gap:6px}.viewer-metadata{padding:25px 30px;background:#f8f9fa;border-bottom:1px solid #e0e0e0;flex-shrink:0}.metadata-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:15px;margin-bottom:15px}.metadata-item{display:flex;flex-direction:column;gap:5px}.metadata-item.full-width{grid-column:1 / -1}.metadata-label{font-size:12px;font-weight:600;color:#6c757d;text-transform:uppercase;letter-spacing:.5px}.metadata-value{font-size:15px;color:#2c3e50;font-weight:500}.category-tag{background:#e8f0ff;color:#667eea;padding:4px 12px;border-radius:12px;font-size:13px;display:inline-block;font-weight:600}.tags-container{display:flex;flex-wrap:wrap;gap:8px}.tag{background:#fff;border:2px solid #e0e0e0;color:#495057;padding:4px 12px;border-radius:12px;font-size:13px;font-weight:500}.document-description{margin-top:15px;padding:15px;background:#fff;border-left:4px solid #667eea;border-radius:6px;max-height:120px;overflow-y:auto}.document-description p{margin:0;color:#495057;line-height:1.6}.file-info-section{margin-top:15px;padding:12px 15px;background:#fff;border-radius:8px;display:flex;align-items:center;gap:10px;font-size:14px;border:1px solid #dee2e6}.info-icon{font-size:20px}.file-name{color:#495057;font-weight:500}.file-size{color:#6c757d}.viewer-content{flex:0 0 auto;padding:30px;background:#fff}.content-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;padding-bottom:15px;border-bottom:2px solid #e0e0e0}.content-header h3{margin:0;font-size:20px;color:#2c3e50;font-weight:700}.content-header h3:before{content:"📄 "}.content-length{font-size:13px;color:#6c757d;background:#f8f9fa;padding:6px 12px;border-radius:12px;font-weight:500}.content-body{line-height:1.8;color:#2c3e50;font-size:15px}.content-body h1,.content-body h2,.content-body h3,.content-body h4,.content-body h5,.content-body h6{margin-top:1.5em;margin-bottom:.5em;color:#2c3e50;font-weight:600}.content-body h1{font-size:2em}.content-body h2{font-size:1.75em}.content-body h3{font-size:1.5em}.content-body h4{font-size:1.25em}.content-body h5{font-size:1.1em}.content-body h6{font-size:1em}.content-body p{margin-bottom:1em;line-height:1.8}.content-body ul,.content-body ol{margin-bottom:1em;padding-left:2em}.content-body li{margin-bottom:.5em;line-height:1.6}.content-body code{background:#f8f9fa;padding:2px 6px;border-radius:4px;font-family:Courier New,monospace;font-size:.9em;color:#e83e8c}.content-body pre{background:#f8f9fa;padding:15px;border-radius:8px;overflow-x:auto;margin:1em 0;border:1px solid #e0e0e0}.content-body pre code{background:none;padding:0;color:#2c3e50}.content-body blockquote{border-left:4px solid #667eea;padding-left:20px;margin:1em 0;color:#495057;font-style:italic}.content-body a{color:#667eea;text-decoration:none;border-bottom:1px solid #667eea}.content-body a:hover{color:#764ba2;border-bottom-color:#764ba2}.content-body table{width:100%;border-collapse:collapse;margin:1em 0}.content-body th,.content-body td{border:1px solid #e0e0e0;padding:10px;text-align:left}.content-body th{background:#f8f9fa;font-weight:600}.content-body img{max-width:100%;height:auto;border-radius:8px;margin:1em 0}.content-body .katex{font-size:1.1em}.content-body .katex-display{margin:1em 0;overflow-x:auto;overflow-y:hidden}.viewer-footer{padding:20px 30px;background:#f8f9fa;border-top:1px solid #e0e0e0;flex-shrink:0}.viewer-footer h4{margin:0 0 10px;font-size:16px;color:#495057}.viewer-footer p{margin:5px 0;color:#6c757d;font-size:14px;line-height:1.6}.viewer-footer strong{color:#495057}.viewer-actions{padding:20px 30px;border-top:1px solid #e0e0e0;display:flex;justify-content:flex-end;gap:10px;flex-shrink:0;background:#fff}.viewer-actions button{padding:12px 30px;border:none;border-radius:8px;font-size:15px;font-weight:600;cursor:pointer;transition:all .3s ease}.btn-close{background:#6c757d;color:#fff}.btn-close:hover{background:#5a6268;transform:translateY(-2px);box-shadow:0 4px 8px #00000026}.viewer-loading{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:60px;gap:20px}.spinner{width:50px;height:50px;border:4px solid #f3f3f3;border-top:4px solid #667eea;border-radius:50%;animation:spin 1s linear infinite}.viewer-loading p{color:#6c757d;font-size:16px}.viewer-error{padding:40px;text-align:center}.viewer-error h2{color:#dc3545;margin-bottom:15px}.viewer-error p{color:#6c757d;margin-bottom:25px}.viewer-error button{padding:12px 30px;background:#6c757d;color:#fff;border:none;border-radius:8px;font-size:15px;font-weight:600;cursor:pointer}.viewer-error button:hover{background:#5a6268}.viewer-content::-webkit-scrollbar{width:10px}.viewer-content::-webkit-scrollbar-track{background:#f1f1f1;border-radius:5px}.viewer-content::-webkit-scrollbar-thumb{background:#667eea;border-radius:5px}.viewer-content::-webkit-scrollbar-thumb:hover{background:#5568d3}@media(max-width:768px){.document-viewer{width:100%;max-height:100vh;border-radius:0}.viewer-header,.viewer-metadata,.viewer-content,.viewer-footer,.viewer-actions{padding:20px}.viewer-header h2{font-size:20px}.metadata-grid{grid-template-columns:1fr}.content-header{flex-direction:column;align-items:flex-start;gap:10px}.content-body{font-size:14px}.viewer-actions{justify-content:stretch}.viewer-actions button{flex:1}}@media print{.viewer-header,.viewer-actions,.close-btn{display:none}.document-viewer{max-width:100%;max-height:none}.viewer-content{overflow:visible}}.feedback-dashboard{padding:24px;background:#fff;border-radius:12px}.feedback-dashboard.loading,.feedback-dashboard.error{padding:40px 24px;text-align:center;font-size:16px;color:#666}.feedback-dashboard.error{background:#fee;color:#c33;border:1px solid #f44}.dashboard-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:32px;padding-bottom:16px;border-bottom:2px solid #e0e0e0}.dashboard-header h2{margin:0;font-size:24px;font-weight:600;color:#333}.period-selector{display:flex;align-items:center;gap:12px;font-size:14px;color:#666}.period-selector label{font-weight:500}.period-selector select{padding:8px 12px;border:1px solid #e0e0e0;border-radius:6px;background:#fff;cursor:pointer;font-size:13px;color:#333}.period-selector select:hover{border-color:#d0d0d0}.period-selector select:focus{outline:none;border-color:#667eea;box-shadow:0 0 0 3px #667eea1a}.analytics-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:20px;margin-bottom:32px}.stat-card{background:linear-gradient(135deg,#f5f7ff,#fff);border:1px solid #e0e0e0;border-radius:12px;padding:24px;transition:all .2s ease}.stat-card:hover{border-color:#667eea;box-shadow:0 4px 12px #667eea26}.stat-label{font-size:12px;font-weight:600;color:#999;text-transform:uppercase;letter-spacing:.5px;margin-bottom:8px}.stat-value{font-size:32px;font-weight:700;color:#667eea;margin-bottom:16px}.stat-sublabel{font-size:11px;color:#999;margin-bottom:4px}.stat-subvalue{font-size:18px;font-weight:600;color:#333}.sentiment-breakdown{display:flex;flex-direction:column;gap:8px}.sentiment-item{display:flex;justify-content:space-between;align-items:center;padding:8px 12px;border-radius:6px;font-size:13px}.sentiment-item.positive{background:#44aa551a;color:#4a9}.sentiment-item.neutral{background:#ffbb331a;color:#fb7}.sentiment-item.negative{background:#f443361a;color:#f44}.sentiment-label{font-weight:500}.sentiment-count{font-weight:600;font-size:14px}.reactions-breakdown{display:flex;gap:16px}.reaction-item{display:flex;flex-direction:column;align-items:center;gap:4px}.reaction-emoji{font-size:20px}.reaction-count{font-size:18px;font-weight:600;color:#333}.detailed-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(400px,1fr));gap:32px;margin-bottom:32px}.stat-section{background:#fff;border:1px solid #e0e0e0;border-radius:12px;padding:24px}.stat-section h3{margin:0 0 20px;font-size:16px;font-weight:600;color:#333}.relevance-bars{display:flex;flex-direction:column;gap:16px}.bar-item{display:grid;grid-template-columns:120px 1fr 60px;gap:12px;align-items:center}.bar-label{font-size:12px;font-weight:500;color:#666}.bar-background{height:24px;background:#f0f0f0;border-radius:12px;overflow:hidden}.bar-fill{height:100%;transition:width .3s ease;border-radius:12px}.bar-value{text-align:right;font-size:13px;font-weight:600;color:#333;min-width:40px}.type-buttons{display:flex;flex-wrap:wrap;gap:8px}.type-btn{padding:8px 16px;border:2px solid #e0e0e0;border-radius:20px;background:#fff;cursor:pointer;font-size:13px;font-weight:500;color:#666;transition:all .2s ease}.type-btn:hover{border-color:#667eea;color:#667eea}.type-btn.active{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border-color:transparent}.feedback-list-section{margin-top:32px}.feedback-list-section h3{margin:0 0 16px;font-size:16px;font-weight:600;color:#333}.feedback-list{display:flex;flex-direction:column;gap:12px;max-height:600px;overflow-y:auto}.feedback-item{background:#f9f9f9;border:1px solid #e0e0e0;border-left:4px solid #667eea;border-radius:8px;padding:16px;transition:all .2s ease}.feedback-item:hover{box-shadow:0 2px 8px #0000000d;border-left-color:#764ba2}.feedback-item.feedback-type-reaction{border-left-color:#667eea}.feedback-item.feedback-type-rating{border-left-color:#ffc107}.feedback-item.feedback-type-relevance{border-left-color:#4caf50}.feedback-item.feedback-type-general{border-left-color:#2196f3}.feedback-item-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px;padding-bottom:8px;border-bottom:1px solid #e0e0e0}.feedback-user{font-size:13px;font-weight:600;color:#333}.feedback-date{font-size:11px;color:#999}.feedback-item-content{display:flex;flex-direction:column;gap:8px;margin-bottom:12px}.feedback-label{font-size:12px;font-weight:600;color:#999;text-transform:uppercase;letter-spacing:.5px}.feedback-value{font-size:13px;color:#333;font-weight:500}.feedback-comment{margin:0;padding:12px;background:#fff;border-radius:6px;border-left:3px solid #2196f3;font-size:13px;color:#333;line-height:1.5}.feedback-context{display:flex;gap:8px;padding:8px 12px;background:#fff;border-radius:6px;font-size:11px}.context-label{font-weight:600;color:#999}.context-value{flex:1;color:#333;word-break:break-word}.empty-state{padding:40px 24px;text-align:center;color:#999;font-size:14px;background:#f9f9f9;border-radius:8px;border:1px dashed #e0e0e0}@media(max-width:1024px){.detailed-stats{grid-template-columns:1fr}.analytics-grid{grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}}@media(max-width:768px){.feedback-dashboard{padding:16px}.dashboard-header{flex-direction:column;gap:16px;align-items:flex-start}.analytics-grid,.detailed-stats{grid-template-columns:1fr}.bar-item{grid-template-columns:100px 1fr 50px}.type-buttons{gap:6px}.type-btn{padding:6px 12px;font-size:12px}.feedback-list{max-height:none}}.admin-panel-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#000000b3;display:flex;justify-content:center;align-items:center;z-index:1000;animation:fadeIn .2s ease-in}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.admin-panel{position:fixed;top:0;left:0;right:0;bottom:0;background:#fff;z-index:9999;display:flex;flex-direction:column;overflow:hidden}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.admin-header{display:flex;justify-content:space-between;align-items:center;padding:20px 30px;border-bottom:2px solid #e0e0e0;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border-radius:12px 12px 0 0}.admin-header h2{margin:0;font-size:24px}.close-btn{background:#fff3;border:none;color:#fff;font-size:32px;width:40px;height:40px;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .2s}.message{padding:12px 30px;margin:0;font-weight:500}.message.error{background:#fee;color:#c00;border-bottom:1px solid #fcc}.message.success{background:#efe;color:#060;border-bottom:1px solid #cfc}.admin-tabs{display:flex;padding:0 30px;background:#f8f9fa;border-bottom:1px solid #e0e0e0}.admin-tabs button{background:none;border:none;padding:15px 25px;font-size:16px;cursor:pointer;color:#666;border-bottom:3px solid transparent;transition:all .2s}.admin-tabs button:hover{color:#333;background:#00000008}.admin-tabs button.active{color:#667eea;border-bottom-color:#667eea;font-weight:600}.admin-content{flex:1;overflow-y:auto;padding:20px;max-width:1600px;width:100%;margin:0 auto}.loading{text-align:center;padding:40px;color:#666;font-size:18px}.tab-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.tab-header h3{margin:0;font-size:20px;color:#333}.refresh-btn{background:#f0f0f0;border:1px solid #ddd;padding:8px 16px;border-radius:6px;cursor:pointer;font-size:14px;transition:all .2s}.refresh-btn:hover{background:#e0e0e0}.users-table,.queries-table{width:100%;border-collapse:collapse;background:#fff;box-shadow:0 2px 8px #0000001a;border-radius:8px;overflow:hidden}.users-table th,.queries-table th{background:#f8f9fa;padding:12px;text-align:left;font-weight:600;color:#555;border-bottom:2px solid #e0e0e0}.users-table td,.queries-table td{padding:12px;border-bottom:1px solid #f0f0f0}.users-table tr:hover,.queries-table tr:hover{background:#f8f9fa}.question-cell{max-width:300px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.badge{display:inline-block;padding:2px 8px;background:#667eea;color:#fff;border-radius:12px;font-size:11px;margin-left:8px;font-weight:600}.role-badge{display:inline-block;padding:4px 12px;border-radius:20px;font-size:13px;font-weight:600;text-transform:uppercase}.role-badge.admin{background:#fee;color:#c00}.role-badge.user{background:#efe;color:#060}.btn-small{padding:6px 12px;margin:0 4px;border:1px solid #ddd;background:#fff;border-radius:4px;cursor:pointer;font-size:13px;transition:all .2s}.btn-small:hover{background:#f0f0f0;border-color:#999}.btn-small:disabled{opacity:.5;cursor:not-allowed}.btn-small.btn-danger{color:#c00;border-color:#fcc}.btn-small.btn-danger:hover{background:#fee;border-color:#c00}.btn-primary{background:#667eea;color:#fff;border:none;padding:12px 24px;border-radius:6px;font-size:16px;cursor:pointer;transition:all .2s}.btn-primary:hover{background:#5568d3;transform:translateY(-1px);box-shadow:0 4px 12px #667eea66}.btn-secondary{background:#6c757d;color:#fff;border:none;padding:12px 24px;border-radius:6px;font-size:16px;cursor:pointer;transition:all .2s}.btn-secondary:disabled{opacity:.5;cursor:not-allowed}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px;margin-bottom:30px}.stat-card{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;padding:24px;border-radius:12px;box-shadow:0 4px 12px #0000001a}.stat-value{font-size:36px;font-weight:700;margin-bottom:8px}.stat-label{font-size:14px;opacity:.9;text-transform:uppercase;letter-spacing:.5px}.tool-card{background:#fff;border:1px solid #e0e0e0;border-radius:8px;padding:20px;margin-bottom:20px}.tool-card h4{margin-top:0;color:#333}.tool-card p{color:#666;margin-bottom:16px}.admin-content::-webkit-scrollbar{width:8px}.admin-content::-webkit-scrollbar-track{background:#f1f1f1}.admin-content::-webkit-scrollbar-thumb{background:#888;border-radius:4px}.admin-content::-webkit-scrollbar-thumb:hover{background:#555}@media(max-width:768px){.admin-panel{width:95%;max-height:95vh}.admin-content{padding:15px}.admin-tabs button{padding:12px 15px;font-size:14px}.stats-grid{grid-template-columns:1fr}.users-table,.queries-table{font-size:14px}.users-table th,.users-table td,.queries-table th,.queries-table td{padding:8px}}.submissions-review{display:flex;flex-direction:column;gap:20px}.submission-review-card{background:#fff;border:2px solid #e0e0e0;border-radius:12px;padding:20px}.submission-review-card h4{margin:0 0 15px;color:#333}.submission-review-card p{margin:8px 0;font-size:14px}.content-preview{margin-top:10px;padding:15px;background:#f8f9fa;border-radius:8px;font-family:monospace;font-size:13px;white-space:pre-wrap;max-height:300px;overflow-y:auto}.review-actions{display:flex;gap:10px;margin-top:15px}.approve-btn{background:#28a745;color:#fff;padding:10px 20px;border:none;border-radius:6px;cursor:pointer;font-weight:600}.approve-btn:hover{background:#218838}.reject-btn{background:#dc3545;color:#fff;padding:10px 20px;border:none;border-radius:6px;cursor:pointer;font-weight:600}.reject-btn:hover{background:#c82333}.process-btn{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;padding:15px 30px;border:none;border-radius:8px;font-size:16px;font-weight:600;cursor:pointer}.process-btn:hover{transform:translateY(-2px);box-shadow:0 6px 20px #667eea66}.processing-stats h4{margin-top:20px;margin-bottom:15px;color:#333}.beta-control-panel{max-width:800px;margin:0 auto}.beta-status{padding:30px;border-radius:12px;text-align:center;margin-bottom:20px;border:3px solid}.beta-status.enabled{background:#d4edda;border-color:#28a745}.beta-status.disabled{background:#f8d7da;border-color:#dc3545}.beta-status h4{margin:0 0 10px;font-size:24px}.beta-status p{margin:0;font-size:16px;color:#333}.pricing-management{max-width:1400px;margin:0 auto}.pricing-table-container{overflow-x:auto;margin:20px 0;border-radius:8px;box-shadow:0 2px 8px #0000001a}.pricing-table{width:100%;border-collapse:collapse;background:#fff;font-size:14px}.pricing-table thead{background:#667eea;color:#fff}.pricing-table th{padding:12px 8px;text-align:left;font-weight:600;font-size:13px;border-bottom:2px solid #5568d3}.pricing-table td{padding:12px 8px;border-bottom:1px solid #e0e0e0;vertical-align:middle}.pricing-table tbody tr:hover{background:#f5f5f5}.pricing-table input{border:2px solid #667eea;border-radius:4px;font-size:13px}.pricing-table input:focus{outline:none;border-color:#5568d3;box-shadow:0 0 0 3px #667eea1a}@media(max-width:1200px){.pricing-table{font-size:12px}.pricing-table th,.pricing-table td{padding:8px 6px}}.submit-modal{max-width:800px!important;width:90%;max-height:90vh;overflow-y:auto}.submit-modal h2{margin:0 0 25px;font-size:28px;color:#2c3e50;text-align:center}.upload-mode-selector{display:flex;gap:15px;margin-bottom:30px;justify-content:center}.upload-mode-selector button{flex:1;max-width:250px;padding:15px 25px;border:2px solid #cbd5e0;background:#f8f9fa;border-radius:12px;cursor:pointer;font-size:16px;font-weight:600;color:#495057;transition:all .3s ease;box-shadow:0 2px 4px #0000000d;display:flex;align-items:center;justify-content:center;gap:8px}.upload-mode-selector button:hover{border-color:#667eea;background:#e8f0ff;color:#495057;transform:translateY(-2px);box-shadow:0 4px 8px #667eea26}.upload-mode-selector button.active{border-color:#667eea;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;box-shadow:0 4px 12px #667eea4d}.form-group{margin-bottom:25px}.form-group label{display:block;margin-bottom:10px;font-weight:600;font-size:15px;color:#2c3e50}.form-group .required{color:#e74c3c;font-weight:700}.form-group input[type=text],.form-group textarea,.form-group select{width:100%;padding:14px 16px;border:2px solid #e0e0e0;border-radius:8px;font-size:15px;font-family:inherit;transition:all .3s ease;box-sizing:border-box}.form-group input[type=text]:focus,.form-group textarea:focus,.form-group select:focus{outline:none;border-color:#667eea;box-shadow:0 0 0 3px #667eea1a}.form-group textarea{resize:vertical;min-height:120px;line-height:1.6}.form-group input[type=file]{width:100%;padding:12px;border:2px dashed #cbd5e0;border-radius:8px;cursor:pointer;font-size:14px;background:#f8f9fa;transition:all .3s ease}.form-group input[type=file]:hover{border-color:#667eea;background:#f0f4ff}.form-group small{display:block;margin-top:8px;color:#6c757d;font-size:13px;line-height:1.4}.file-info{margin-top:15px;padding:15px;background:linear-gradient(135deg,#f0f4ff,#e8f0ff);border-left:4px solid #667eea;border-radius:8px;font-size:15px;color:#2c3e50;font-weight:500}.error-message{padding:15px 20px;background:#fee;border-left:4px solid #e74c3c;border-radius:8px;color:#c0392b;margin-bottom:25px;font-size:15px;line-height:1.5}.success-message{padding:15px 20px;background:#d4edda;border-left:4px solid #28a745;border-radius:8px;color:#155724;margin-bottom:25px;font-size:15px;line-height:1.5}.modal-buttons{display:flex;gap:15px;margin-top:30px;justify-content:flex-end}.modal-buttons button{padding:14px 32px;border:none;border-radius:8px;font-size:16px;font-weight:600;cursor:pointer;transition:all .3s ease;min-width:140px}.modal-buttons button[type=submit]{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;box-shadow:0 4px 12px #667eea4d}.modal-buttons button[type=submit]:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 6px 16px #667eea66}.modal-buttons button[type=submit]:disabled{opacity:.6;cursor:not-allowed;transform:none}.modal-buttons button[type=button]{background:#fff;color:#6c757d;border:2px solid #e0e0e0}.modal-buttons button[type=button]:hover:not(:disabled){background:#f8f9fa;border-color:#cbd5e0}.submit-notice{margin-top:25px;padding:15px 20px;background:#f8f9fa;border-left:4px solid #667eea;border-radius:8px;font-size:14px;color:#495057;line-height:1.6;display:flex;align-items:flex-start;gap:12px}.submit-notice:before{content:"ℹ️";font-size:20px;flex-shrink:0}.form-group select{-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23667eea' d='M6 9L1 4h10z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 16px center;padding-right:40px}@media(max-width:768px){.submit-modal{width:95%;max-width:none;margin:10px}.submit-modal h2{font-size:24px}.upload-mode-selector{flex-direction:column;gap:10px}.upload-mode-selector button{max-width:none;padding:12px 20px;font-size:16px}.form-group input[type=text],.form-group textarea,.form-group select{padding:12px 14px;font-size:14px}.modal-buttons{flex-direction:column-reverse;gap:10px}.modal-buttons button{width:100%;min-width:0}}@keyframes slideIn{0%{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}.submit-modal{animation:slideIn .3s ease-out}.submit-modal::-webkit-scrollbar{width:8px}.submit-modal::-webkit-scrollbar-track{background:#f1f1f1;border-radius:4px}.submit-modal::-webkit-scrollbar-thumb{background:#667eea;border-radius:4px}.submit-modal::-webkit-scrollbar-thumb:hover{background:#5568d3}.upload-mode-selector button:focus-visible,.form-group input:focus-visible,.form-group textarea:focus-visible,.form-group select:focus-visible,.modal-buttons button:focus-visible{outline:3px solid #667eea;outline-offset:2px}.form-row{display:flex;gap:15px}.form-group.half{flex:1}.license-section{background:#f8f9fa;padding:15px;border-radius:8px;margin:15px 0;border:1px solid #e9ecef}.license-options{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-top:10px}.license-option{display:flex;align-items:center;gap:8px;padding:12px;border:2px solid #dee2e6;border-radius:8px;cursor:pointer;transition:all .2s ease;background:#fff}.license-option:hover{border-color:#667eea;background:#f8f9ff}.license-option.selected{border-color:#667eea;background:#eef0ff}.license-option input[type=radio]{display:none}.license-icon{font-size:1.2rem}.license-label{font-size:.85rem;font-weight:500;color:#333}.license-description{margin-top:12px;padding:10px;background:#e7f3ff;border-radius:6px;font-size:.9rem;color:#0056b3;border-left:3px solid #0056b3}.license-help{display:block;margin-top:10px}.license-help a{color:#667eea;text-decoration:none;font-size:.85rem}.license-help a:hover{text-decoration:underline}.license-notice{color:#6c757d;font-style:italic}@media(max-width:600px){.form-row{flex-direction:column;gap:0}.form-group.half{width:100%}.license-options{grid-template-columns:1fr}.license-option{padding:10px}.license-label{font-size:.8rem}}.pricing-page{position:fixed;top:0;left:0;right:0;bottom:0;background:linear-gradient(135deg,#667eea,#764ba2);overflow-y:auto;z-index:1000;padding:40px 20px}.pricing-container{max-width:1200px;margin:0 auto;position:relative}.close-pricing-btn{position:absolute;top:-20px;right:0;background:#fff;border:none;width:40px;height:40px;border-radius:50%;font-size:24px;cursor:pointer;box-shadow:0 2px 8px #0003;transition:transform .2s;z-index:10}.close-pricing-btn:hover{transform:scale(1.1)}.pricing-header{text-align:center;color:#fff;margin-bottom:40px}.pricing-header h1{font-size:48px;margin:0 0 10px;font-weight:700}.pricing-header p{font-size:20px;opacity:.9;margin:10px 0}.current-plan-info{margin-top:15px}.current-plan{background:#fff3;padding:10px 20px;border-radius:20px;display:inline-block}.next-billing{margin-top:10px;font-size:14px;opacity:.9}.beta-banner{background:linear-gradient(135deg,#f093fb,#f5576c);color:#fff;padding:15px 30px;border-radius:12px;text-align:center;margin-bottom:30px;font-size:18px;box-shadow:0 4px 12px #0003}.pricing-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:30px;margin-bottom:40px}.pricing-card{background:#fff;border-radius:16px;padding:30px;box-shadow:0 4px 20px #0000001a;transition:transform .3s,box-shadow .3s;position:relative;display:flex;flex-direction:column}.pricing-card:hover{transform:translateY(-5px);box-shadow:0 8px 30px #00000026}.pricing-card.current{border:3px solid #667eea}.pricing-card.popular{border:3px solid #f093fb;transform:scale(1.05)}.pricing-card.popular:hover{transform:scale(1.05) translateY(-5px)}.pricing-card.beta{background:linear-gradient(135deg,#fff,#fef3ff);border:2px dashed #f093fb}.popular-badge,.beta-badge,.current-badge{position:absolute;top:-12px;left:50%;transform:translate(-50%);padding:5px 15px;border-radius:20px;font-size:12px;font-weight:600;text-transform:uppercase}.popular-badge{background:linear-gradient(135deg,#f093fb,#f5576c);color:#fff}.beta-badge{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff}.current-badge{background:#28a745;color:#fff}.pricing-card-header{text-align:center;padding-bottom:20px;border-bottom:1px solid #eee;margin-bottom:20px}.pricing-card-header h2{margin:0 0 15px;font-size:24px;color:#333}.price{display:flex;align-items:baseline;justify-content:center;margin-bottom:10px}.price .currency{font-size:24px;color:#667eea}.price .amount{font-size:48px;font-weight:700;color:#667eea;line-height:1}.price .period{font-size:16px;color:#888;margin-left:5px}.description{color:#666;font-size:14px;margin:0}.pricing-features{flex:1;padding:10px 0}.pricing-features ul{list-style:none;padding:0;margin:0}.pricing-features li{padding:10px 0;display:flex;align-items:center;color:#555;font-size:15px}.feature-icon{color:#28a745;margin-right:10px;font-weight:700}.pricing-card-footer{padding-top:20px;border-top:1px solid #eee;margin-top:auto}.pricing-btn{width:100%;padding:15px;border:none;border-radius:8px;font-size:16px;font-weight:600;cursor:pointer;transition:all .3s}.pricing-btn.upgrade{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff}.pricing-btn.upgrade:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 4px 12px #667eea66}.pricing-btn.current{background:#e8f5e9;color:#28a745;cursor:default}.pricing-btn.downgrade{background:#fff3e0;color:#f57c00;border:1px solid #f57c00}.pricing-btn.downgrade:hover{background:#f57c00;color:#fff}.pricing-btn:disabled{opacity:.6;cursor:not-allowed}.pricing-footer{text-align:center;color:#fff;opacity:.8}.pricing-footer p{margin:5px 0;font-size:14px}.confirm-modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#000000b3;display:flex;align-items:center;justify-content:center;z-index:2000;padding:20px}.confirm-modal{background:#fff;border-radius:16px;padding:30px;max-width:500px;width:100%;max-height:90vh;overflow-y:auto;box-shadow:0 20px 60px #0000004d}.confirm-modal h2{margin:0 0 20px;font-size:24px;text-align:center;color:#333}.confirm-details{margin-bottom:25px}.plan-change{display:flex;align-items:center;justify-content:center;gap:15px;font-size:18px;font-weight:600;margin-bottom:25px;padding:15px;background:#f8f9fa;border-radius:10px}.plan-change .from{color:#6c757d}.plan-change .arrow{color:#667eea;font-size:24px}.plan-change .to{color:#667eea}.billing-info{background:#f0f4ff;border-radius:10px;padding:20px;margin-bottom:20px}.billing-info.downgrade-info{background:#fff8e6}.billing-row{display:flex;justify-content:space-between;padding:10px 0;border-bottom:1px solid rgba(0,0,0,.05)}.billing-row:last-child{border-bottom:none}.billing-row .label{color:#666}.billing-row .value{font-weight:600;color:#333}.billing-row .value.highlight{color:#28a745}.feature-preview{background:#f8f9fa;border-radius:10px;padding:15px 20px}.feature-preview h4{margin:0 0 10px;color:#333;font-size:14px}.feature-preview ul{list-style:none;padding:0;margin:0}.feature-preview li{padding:5px 0;color:#28a745;font-size:14px}.warning-box{background:#fff3cd;border:1px solid #ffc107;border-radius:10px;padding:15px;margin-top:15px}.warning-box p{margin:0 0 10px;font-weight:600;color:#856404}.warning-box ul{list-style:none;padding:0;margin:0}.warning-box li{padding:3px 0;color:#856404;font-size:14px}.warning-box li:before{content:"✗ ";color:#dc3545}.confirm-buttons{display:flex;gap:15px;margin-top:25px}.confirm-buttons button{flex:1;padding:15px;border-radius:8px;font-size:16px;font-weight:600;cursor:pointer;transition:all .3s}.btn-confirm{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none}.btn-confirm:hover{transform:translateY(-2px);box-shadow:0 4px 12px #667eea66}.btn-confirm.downgrade{background:#f57c00}.btn-confirm.downgrade:hover{background:#e65100;box-shadow:0 4px 12px #f57c0066}.btn-cancel{background:#fff;color:#666;border:2px solid #ddd}.btn-cancel:hover{background:#f5f5f5;border-color:#ccc}@media(max-width:768px){.pricing-header h1{font-size:32px}.pricing-card.popular{transform:none}.pricing-card.popular:hover{transform:translateY(-5px)}.pricing-grid{grid-template-columns:1fr}.confirm-buttons{flex-direction:column}.plan-change{flex-direction:column;gap:10px}}.profile-modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#0009;display:flex;align-items:center;justify-content:center;z-index:1000;padding:20px}.profile-modal{background:#fff;border-radius:16px;width:100%;max-width:600px;max-height:90vh;overflow-y:auto;position:relative;box-shadow:0 20px 60px #0000004d}.close-btn{position:absolute;top:15px;right:15px;background:#f5f5f5;border:none;width:36px;height:36px;border-radius:50%;font-size:20px;cursor:pointer;transition:all .2s;z-index:10}.close-btn:hover{background:#e0e0e0;transform:scale(1.1)}.profile-header{background:linear-gradient(135deg,#667eea,#764ba2);padding:40px 30px 30px;text-align:center;color:#fff}.profile-avatar{width:80px;height:80px;border-radius:50%;background:#fff3;display:flex;align-items:center;justify-content:center;font-size:36px;font-weight:700;margin:0 auto 15px;border:3px solid rgba(255,255,255,.3)}.profile-header h1{margin:0 0 10px;font-size:24px;font-weight:600}.tier-badge{display:inline-block;background:#fff3;padding:5px 15px;border-radius:20px;font-size:12px;font-weight:600;letter-spacing:1px}.profile-nav{display:flex;border-bottom:1px solid #eee;background:#fafafa}.profile-nav button{flex:1;padding:15px;border:none;background:transparent;cursor:pointer;font-size:14px;font-weight:500;color:#666;transition:all .2s;border-bottom:2px solid transparent}.profile-nav button:hover{color:#667eea;background:#f0f4ff}.profile-nav button.active{color:#667eea;border-bottom-color:#667eea;background:#fff}.message{margin:15px 20px 0;padding:12px 15px;border-radius:8px;font-size:14px}.message.error{background:#fee;color:#c00;border:1px solid #fcc}.message.success{background:#efe;color:#060;border:1px solid #cfc}.profile-section{padding:25px 30px 30px}.profile-section h2{margin:0 0 20px;font-size:20px;color:#333;padding-bottom:10px;border-bottom:1px solid #eee}.profile-section h3{margin:25px 0 15px;font-size:16px;color:#333}.info-group{margin-bottom:20px}.info-group label{display:block;font-size:13px;font-weight:600;color:#555;margin-bottom:6px}.info-group input{width:100%;padding:12px 15px;border:1px solid #ddd;border-radius:8px;font-size:15px;transition:border-color .2s}.info-group input:focus{outline:none;border-color:#667eea;box-shadow:0 0 0 3px #667eea1a}.info-value{padding:12px 15px;background:#f5f5f5;border-radius:8px;font-size:15px;color:#333}.info-hint{display:block;font-size:12px;color:#888;margin-top:5px}.btn-primary{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;padding:12px 25px;border-radius:8px;font-size:15px;font-weight:600;cursor:pointer;transition:all .3s}.btn-primary:disabled{opacity:.6;cursor:not-allowed;transform:none}.btn-secondary{background:#fff;color:#667eea;border:2px solid #667eea;padding:12px 25px;border-radius:8px;font-size:15px;font-weight:600;cursor:pointer;transition:all .3s}.btn-secondary:hover:not(:disabled){background:#f0f4ff}.btn-danger{background:#dc3545;color:#fff;border:none;padding:12px 25px;border-radius:8px;font-size:15px;font-weight:600;cursor:pointer;transition:all .3s}.btn-danger:hover:not(:disabled){background:#c82333}.btn-danger:disabled{opacity:.6;cursor:not-allowed}.subscription-card{background:#f8f9fa;border-radius:12px;padding:25px;margin-bottom:20px}.subscription-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:20px}.subscription-header h3{margin:0 0 8px;font-size:24px;color:#667eea}.status-badge{display:inline-block;padding:4px 10px;border-radius:12px;font-size:12px;font-weight:600;text-transform:uppercase}.status-badge.active{background:#d4edda;color:#155724}.status-badge.cancelled,.status-badge.canceled{background:#f8d7da;color:#721c24}.status-badge.past_due{background:#fff3cd;color:#856404}.subscription-price{font-size:24px;font-weight:700;color:#333}.billing-info-row{display:flex;justify-content:space-between;padding:10px 0;border-top:1px solid #e9ecef}.billing-info-row .label{color:#666}.billing-info-row .value{font-weight:600;color:#333}.pending-change-alert{background:#fff3cd;border:1px solid #ffc107;border-radius:8px;padding:15px;margin:15px 0}.pending-change-alert h4{margin:0 0 10px;color:#856404}.pending-change-alert p{margin:0 0 15px;color:#856404}.pending-change-alert button{margin-top:5px}.features-summary{margin-top:20px;padding-top:15px;border-top:1px solid #e9ecef}.features-summary h4{margin:0 0 12px;font-size:14px;color:#555}.features-summary ul{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(2,1fr);gap:8px}.features-summary li{font-size:14px;color:#28a745}.subscription-actions{display:flex;gap:15px;margin-top:20px}.subscription-actions button{flex:1}.danger-zone{margin-top:30px;padding-top:20px;border-top:1px solid #eee}.danger-zone h4{margin:0 0 8px;color:#dc3545;font-size:16px}.danger-zone p{margin:0 0 15px;color:#666;font-size:14px}.confirm-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#000000b3;display:flex;align-items:center;justify-content:center;z-index:2000;padding:20px}.confirm-modal{background:#fff;border-radius:12px;padding:30px;max-width:450px;width:100%}.confirm-modal h2{margin:0 0 15px;font-size:20px;color:#333}.confirm-modal p{margin:0 0 10px;color:#666;line-height:1.6}.confirm-modal p.highlight{background:#e8f5e9;padding:12px;border-radius:6px;color:#2e7d32;font-weight:500}.confirm-modal p.warning{background:#fff3cd;padding:12px;border-radius:6px;color:#856404;font-weight:500}.confirm-modal .info-group{margin:20px 0}.confirm-actions{display:flex;flex-direction:column;gap:10px;margin-top:20px}.delete-modal h2{color:#dc3545}.loading-text{text-align:center;padding:40px;color:#666;font-size:16px}@media(max-width:600px){.profile-modal{max-height:100vh;border-radius:0}.profile-nav button{padding:12px 8px;font-size:12px}.profile-section{padding:20px}.subscription-header{flex-direction:column}.subscription-price{margin-top:10px}.features-summary ul{grid-template-columns:1fr}.subscription-actions{flex-direction:column}}.landing-page{--lp-bg: #0c1014;--lp-bg-raised: #141a21;--lp-line: #2a3440;--lp-text: #e8e4dc;--lp-muted: #9aa3ad;--lp-faint: #6d7680;--lp-accent: #c4a574;--lp-accent-strong: #d4b896;--paper: #f4efe6;--paper-ink: #1a1f24;--danger: #b42318;min-height:100vh;background:var(--lp-bg);color:var(--lp-text);font-family:IBM Plex Sans,Segoe UI,system-ui,sans-serif;-webkit-font-smoothing:antialiased}.landing-page *{box-sizing:border-box}.landing-page button{font-family:inherit;background:none;color:inherit;border:0;border-radius:0;padding:0;box-shadow:none;transform:none;font-weight:inherit;font-size:inherit}.landing-page button:hover:not(:disabled),.landing-page button:disabled{transform:none;box-shadow:none}html:has(.landing-page),html:has(.landing-page) body{background:#0c1014;padding:0;margin:0}.lp-nav{position:sticky;top:0;z-index:50;border-bottom:1px solid transparent;background:transparent;transition:background .2s ease,border-color .2s ease}.lp-nav.is-scrolled{background:#0c1014eb;border-bottom-color:var(--lp-line);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.lp-nav-inner{max-width:1080px;margin:0 auto;padding:18px 28px;display:flex;align-items:center;justify-content:space-between;gap:16px}.landing-page .lp-brand{display:flex;align-items:center;gap:10px;background:none;border:0;padding:0;cursor:pointer;color:var(--lp-text);font-size:15px;font-weight:600;letter-spacing:.04em}.landing-page .lp-brand:hover:not(:disabled){background:none;color:var(--lp-text)}.lp-brand-mark{width:10px;height:10px;border-radius:50%;background:var(--lp-accent);flex-shrink:0}.lp-nav-links{display:flex;align-items:center;gap:8px}.landing-page .lp-nav-text,.landing-page .lp-text-btn{background:none;border:0;color:var(--lp-muted);font-size:14px;cursor:pointer;padding:8px 12px}.landing-page .lp-nav-text:hover:not(:disabled),.landing-page .lp-text-btn:hover:not(:disabled){background:none;color:var(--lp-text)}.landing-page .lp-text-btn{padding:0;font-weight:600;color:var(--lp-accent-strong)}.landing-page .lp-btn-primary,.landing-page .lp-btn-ghost{cursor:pointer;font-size:14px;font-weight:500;padding:11px 18px;border-radius:2px;transition:background .15s ease,color .15s ease,border-color .15s ease}.landing-page .lp-btn-primary{background:var(--paper);color:var(--paper-ink);border:1px solid var(--paper)}.landing-page .lp-btn-primary:hover:not(:disabled){background:#fff;color:var(--paper-ink)}.landing-page .lp-btn-primary:disabled{opacity:.6;cursor:not-allowed;background:var(--paper)}.landing-page .lp-btn-ghost{background:transparent;color:var(--lp-text);border:1px solid var(--lp-line)}.landing-page .lp-btn-ghost:hover:not(:disabled){background:transparent;border-color:var(--lp-muted);color:var(--lp-text)}.landing-page .lp-nav-cta{background:var(--paper);color:var(--paper-ink);border:0;padding:8px 14px;font-size:13px;font-weight:600;cursor:pointer;border-radius:2px}.landing-page .lp-nav-cta:hover:not(:disabled){background:#fff;color:var(--paper-ink)}.lp-btn-block{width:100%;margin-top:8px}.lp-hero{max-width:1080px;margin:0 auto;padding:72px 28px 40px}.lp-kicker{margin:0 0 20px;font-size:12px;font-weight:500;letter-spacing:.16em;text-transform:uppercase;color:var(--lp-accent)}.lp-headline{margin:0 0 24px;max-width:16ch;font-family:Cormorant Garamond,Georgia,serif;font-size:clamp(42px,7vw,76px);font-weight:500;line-height:1.05;letter-spacing:-.02em;color:var(--lp-text)}.lp-headline em{font-style:italic;color:var(--lp-accent-strong)}.lp-lede{margin:0 0 36px;max-width:540px;font-size:18px;line-height:1.6;color:var(--lp-muted)}.lp-hero-actions{display:flex;flex-wrap:wrap;gap:12px}.lp-product{max-width:1080px;margin:0 auto;padding:0 28px 80px}.lp-product-frame{border:1px solid var(--lp-line);background:var(--lp-bg-raised)}.lp-product-bar{display:flex;justify-content:space-between;align-items:center;padding:12px 18px;border-bottom:1px solid var(--lp-line);font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--lp-faint)}.lp-product-meta{color:var(--lp-accent)}.lp-product-body{padding:28px;display:flex;flex-direction:column;gap:20px}.lp-msg{max-width:640px;font-size:15px;line-height:1.55}.lp-msg-user{align-self:flex-end;padding:12px 16px;background:#1c242e;color:var(--lp-text)}.lp-msg-assistant{color:var(--lp-muted)}.lp-msg-assistant p{margin:0 0 12px}.lp-msg-assistant p:last-child{margin-bottom:0}.lp-math{font-family:IBM Plex Sans,ui-monospace,monospace;color:var(--lp-text)}.lp-math-block{font-family:IBM Plex Sans,ui-monospace,monospace;color:var(--lp-text);padding:12px 0;border-top:1px solid var(--lp-line);border-bottom:1px solid var(--lp-line)}.lp-cite{font-size:12px;letter-spacing:.04em;color:var(--lp-accent)}.lp-section{max-width:1080px;margin:0 auto;padding:0 28px 88px}.lp-section-muted{border-top:1px solid var(--lp-line);border-bottom:1px solid var(--lp-line);padding-top:72px;padding-bottom:72px;max-width:none;padding-left:max(28px,calc((100% - 1080px)/2 + 28px));padding-right:max(28px,calc((100% - 1080px)/2 + 28px))}.lp-section-title{margin:0 0 36px;font-family:Cormorant Garamond,Georgia,serif;font-size:32px;font-weight:500;letter-spacing:-.02em}.lp-split{display:grid;grid-template-columns:repeat(3,1fr);gap:40px}.lp-split h3{margin:0 0 10px;font-size:15px;font-weight:600}.lp-split p{margin:0;font-size:15px;line-height:1.6;color:var(--lp-muted)}.lp-steps{list-style:none;margin:0;padding:0;display:grid;gap:28px}.lp-steps li{display:grid;grid-template-columns:48px 1fr;gap:20px;align-items:start}.lp-steps span{font-family:Cormorant Garamond,Georgia,serif;font-size:22px;color:var(--lp-accent);line-height:1.2}.lp-steps strong{display:block;margin-bottom:6px;font-size:15px;font-weight:600;color:var(--lp-text)}.lp-steps div{font-size:15px;line-height:1.6;color:var(--lp-muted)}.lp-contribute{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;padding:40px 0 0;border-top:1px solid var(--lp-line)}.lp-contribute .lp-section-title{margin-bottom:12px}.lp-contribute-copy{margin:0;max-width:520px;font-size:16px;line-height:1.6;color:var(--lp-muted)}.lp-footer{border-top:1px solid var(--lp-line)}.lp-footer-inner{max-width:1080px;margin:0 auto;padding:28px;display:flex;justify-content:space-between;align-items:center;gap:16px;font-size:13px;color:var(--lp-faint)}.lp-footer-links{display:flex;gap:8px}.landing-page .lp-footer-links button{background:none;border:0;color:var(--lp-muted);font-size:13px;cursor:pointer;padding:4px 8px}.landing-page .lp-footer-links button:hover:not(:disabled){background:none;color:var(--lp-text)}.lp-modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:200;background:#06080ab8;display:flex;align-items:center;justify-content:center;padding:20px}.lp-modal{position:relative;width:100%;max-width:400px;background:var(--paper);color:var(--paper-ink);padding:36px 32px 28px}.landing-page .lp-modal-close{position:absolute;top:12px;right:12px;width:32px;height:32px;border:0;background:transparent;font-size:22px;line-height:1;cursor:pointer;color:#5c656e}.landing-page .lp-modal-close:hover:not(:disabled){background:transparent;color:var(--paper-ink)}.lp-modal h2{margin:0 0 6px;font-family:Cormorant Garamond,Georgia,serif;font-size:32px;font-weight:500}.lp-modal-sub{margin:0 0 24px;font-size:14px;color:#5c656e}.lp-auth-error{margin-bottom:16px;padding:10px 12px;background:#f8e4e1;color:var(--danger);font-size:13px}.lp-modal form{display:flex;flex-direction:column;gap:14px}.lp-modal label{display:flex;flex-direction:column;gap:6px;font-size:13px;font-weight:600}.lp-modal input{width:100%;padding:10px 12px;border:1px solid #cfc8bc;background:#fff;font-size:15px;font-family:inherit;color:var(--paper-ink)}.lp-modal input:focus{outline:2px solid var(--lp-accent);outline-offset:1px;border-color:transparent}.lp-modal small{font-weight:400;color:#7a838c}.lp-modal-switch{margin:18px 0 0;text-align:center;font-size:13px;color:#5c656e}.landing-page .lp-modal .lp-text-btn{color:#3d3428}.landing-page .lp-modal .lp-text-btn:hover:not(:disabled){background:none;color:#1a1f24}@media(max-width:800px){.lp-hero{padding-top:48px}.lp-split{grid-template-columns:1fr;gap:28px}.lp-contribute,.lp-footer-inner{flex-direction:column;align-items:flex-start}}@media(max-width:520px){.lp-nav-inner{padding:14px 18px}.lp-hero,.lp-product,.lp-section{padding-left:18px;padding-right:18px}.lp-nav-text{display:none}.lp-headline{max-width:none}.lp-hero-actions{flex-direction:column;align-items:stretch}.lp-msg{max-width:100%}}.app-navbar{background:#ffffff1a;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);padding:0 20px;position:sticky;top:0;z-index:1000;box-shadow:0 2px 10px #0000001a}.app-navbar-container{max-width:1400px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;height:60px}.app-navbar-brand{display:flex;align-items:center;gap:10px;cursor:pointer;transition:opacity .2s}.app-navbar-brand:hover{opacity:.8}.brand-icon{font-size:1.5rem}.brand-text{font-size:1.2rem;font-weight:700;color:#fff;letter-spacing:.5px}.app-navbar-links{display:flex;align-items:center;gap:5px}.nav-link{display:flex;align-items:center;gap:6px;padding:8px 16px;border:none;background:transparent;color:#a0aec0;font-size:.95rem;font-weight:500;cursor:pointer;border-radius:8px;transition:all .2s ease}.nav-link:hover{background:#ffffff1a;color:#fff}.nav-link.active{background:#667eea4d;color:#fff}.nav-icon{font-size:1.1rem}.nav-text{font-size:.9rem}.mobile-only-items{display:none}.app-navbar-user,.user-menu-container{position:relative}.user-menu-trigger{display:flex;align-items:center;gap:8px;padding:8px 12px;border:1px solid rgba(255,255,255,.2);background:#ffffff0d;color:#fff;font-size:.9rem;cursor:pointer;border-radius:25px;transition:all .2s ease}.user-menu-trigger:hover{background:#ffffff1a;border-color:#ffffff4d}.user-avatar{font-size:1.1rem}.user-name{max-width:120px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.menu-arrow{font-size:.6rem;opacity:.7}.user-dropdown{position:absolute;top:calc(100% + 8px);right:0;min-width:180px;background:#fff;border-radius:12px;box-shadow:0 10px 40px #0003;padding:8px;z-index:1001;animation:dropdownFadeIn .2s ease}@keyframes dropdownFadeIn{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.user-dropdown button{display:flex;align-items:center;gap:10px;width:100%;padding:10px 12px;border:none;background:transparent;color:#333;font-size:.9rem;cursor:pointer;border-radius:8px;text-align:left;transition:background .2s}.user-dropdown button:hover{background:#f0f0f0}.dropdown-divider{border:none;border-top:1px solid #eee;margin:8px 0}.auth-buttons{display:flex;gap:10px}.btn-login{padding:8px 20px;border:1px solid #667eea;background:transparent;color:#667eea;font-size:.9rem;font-weight:500;cursor:pointer;border-radius:8px;transition:all .2s ease}.btn-login:hover{background:#667eea;color:#fff}.menu-backdrop{position:fixed;top:0;left:0;right:0;bottom:0;z-index:999}.mobile-menu-toggle{display:none;padding:8px 12px;border:none;background:transparent;color:#fff;font-size:1.5rem;cursor:pointer;border-radius:8px;transition:background .2s}.mobile-menu-toggle:hover{background:#ffffff1a}@media(max-width:768px){.app-navbar{padding:0 15px}.app-navbar-container{height:55px}.brand-text,.desktop-only{display:none}.mobile-menu-toggle{display:flex;align-items:center;justify-content:center}.app-navbar-links{position:fixed;top:55px;left:0;right:0;background:#1a1a2efa;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);flex-direction:column;padding:15px;gap:5px;display:none;box-shadow:0 10px 30px #0000004d;border-top:1px solid rgba(255,255,255,.1);max-height:calc(100vh - 55px);overflow-y:auto}.app-navbar-links.mobile-open{display:flex;animation:slideDown .25s ease}@keyframes slideDown{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.nav-link{width:100%;padding:14px 16px;justify-content:flex-start;border-radius:10px}.nav-link:hover{background:#ffffff1a}.nav-link.active{background:#667eea4d}.nav-text{font-size:1rem}.nav-icon{font-size:1.2rem;width:28px}.mobile-only-items{display:flex;flex-direction:column;gap:5px;width:100%;margin-top:10px;padding-top:15px;border-top:1px solid rgba(255,255,255,.15)}.mobile-user-info{display:flex;align-items:center;gap:10px;padding:12px 16px;color:#fff;font-weight:600;background:#667eea33;border-radius:10px;margin-bottom:5px}.mobile-user-info .user-avatar{font-size:1.3rem}.mobile-user-info .user-name{font-size:1rem}.logout-link{color:#ff6b6b}.logout-link:hover{background:#ff6b6b26}}@media(max-width:480px){.app-navbar{padding:0 10px}.brand-icon{font-size:1.3rem}.mobile-menu-toggle{padding:8px 10px}}.browse-main{max-width:1400px;margin:0 auto;padding:30px 20px;min-height:calc(100vh - 60px)}.browse-header{text-align:center;margin-bottom:30px}.browse-header h1{font-size:2rem;color:#333;margin-bottom:10px}.browse-header p{color:#666;font-size:1.1rem}.browse-controls{background:#f8f9fa;padding:20px;border-radius:12px;margin-bottom:25px;box-shadow:0 2px 8px #0000000d}.search-form{display:flex;gap:10px;margin-bottom:15px}.search-input{flex:1;padding:12px 16px;font-size:1rem;border:2px solid #e0e0e0;border-radius:8px;transition:border-color .2s}.search-input:focus{outline:none;border-color:#667eea}.search-button{padding:12px 24px;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;border-radius:8px;font-size:1rem;font-weight:600;cursor:pointer;transition:transform .2s,box-shadow .2s}.search-button:hover{transform:translateY(-2px);box-shadow:0 4px 12px #667eea66}.filters-row{display:flex;flex-wrap:wrap;gap:15px;align-items:flex-end}.filter-group{display:flex;flex-direction:column;gap:5px}.filter-group label{font-size:.85rem;font-weight:600;color:#555}.filter-group select,.filter-group input[type=date]{padding:8px 12px;font-size:.9rem;border:2px solid #e0e0e0;border-radius:6px;background:#fff;cursor:pointer;min-width:140px}.filter-group select:focus,.filter-group input[type=date]:focus{outline:none;border-color:#667eea}.clear-filters-btn{padding:8px 16px;background:#ff6b6b;color:#fff;border:none;border-radius:6px;font-size:.9rem;cursor:pointer;transition:background .2s}.clear-filters-btn:hover{background:#ee5a5a}.results-info{margin-bottom:20px;color:#666;font-size:.95rem}.browse-error{background:#fff3cd;color:#856404;padding:15px 20px;border-radius:8px;margin-bottom:20px;border:1px solid #ffc107}.submissions-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:20px;margin-bottom:30px}.submission-card{background:#fff;border-radius:12px;padding:20px;box-shadow:0 2px 10px #00000014;cursor:pointer;transition:transform .2s,box-shadow .2s;display:flex;flex-direction:column;border:1px solid #eee}.submission-card:hover{transform:translateY(-4px);box-shadow:0 8px 25px #0000001f;border-color:#667eea}.card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.card-category{font-size:.75rem;font-weight:600;text-transform:uppercase;color:#667eea;background:#667eea1a;padding:4px 10px;border-radius:20px}.card-license{font-size:1.1rem}.card-title{font-size:1.15rem;color:#333;margin-bottom:8px;line-height:1.4}.card-description{font-size:.9rem;color:#666;margin-bottom:10px;line-height:1.5}.card-preview{font-size:.85rem;color:#888;line-height:1.5;margin-bottom:12px;font-style:italic;border-left:3px solid #e0e0e0;padding-left:10px}.card-tags{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:15px}.tag{font-size:.75rem;padding:4px 10px;background:#f0f0f0;color:#555;border-radius:20px}.tag.more{background:#e0e0e0;color:#777}.card-footer{display:flex;justify-content:space-between;align-items:center;margin-top:auto;padding-top:12px;border-top:1px solid #eee;font-size:.85rem;color:#888}.card-author{font-weight:500}.loading-spinner{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:60px 20px;color:#666}.spinner{width:40px;height:40px;border:4px solid #e0e0e0;border-top-color:#667eea;border-radius:50%;animation:spin 1s linear infinite;margin-bottom:15px}@keyframes spin{to{transform:rotate(360deg)}}.no-results{grid-column:1 / -1;text-align:center;padding:60px 20px;color:#888}.no-results-icon{font-size:4rem;display:block;margin-bottom:15px}.no-results h3{margin-bottom:10px;color:#555}.pagination{display:flex;justify-content:center;align-items:center;gap:20px;margin-top:30px}.page-btn{padding:10px 20px;background:#fff;border:2px solid #667eea;color:#667eea;border-radius:8px;font-weight:600;cursor:pointer;transition:all .2s}.page-btn:hover:not(:disabled){background:#667eea;color:#fff}.page-btn:disabled{border-color:#ccc;color:#ccc;cursor:not-allowed}.page-info{color:#666;font-size:.95rem}.document-viewer{background:#fff;width:90%;max-width:900px;max-height:90vh;border-radius:16px;overflow:hidden;display:flex;flex-direction:column}.viewer-header{display:flex;justify-content:space-between;align-items:center;padding:20px 25px;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff}.viewer-header h2{font-size:1.4rem;margin:0;padding-right:20px}.close-btn{background:#fff3;border:none;color:#fff;font-size:1.2rem;width:36px;height:36px;border-radius:50%;cursor:pointer;transition:background .2s}.close-btn:hover{background:#ffffff4d}.viewer-meta{display:flex;flex-wrap:wrap;gap:20px;padding:15px 25px;background:#f8f9fa;border-bottom:1px solid #eee}.meta-item{font-size:.9rem;color:#555}.meta-item strong{color:#333}.viewer-description{padding:15px 25px;border-bottom:1px solid #eee}.viewer-description p{margin-top:5px;color:#555;line-height:1.6}.viewer-tags{padding:15px 25px;border-bottom:1px solid #eee}.tags-list{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}.viewer-content{padding:20px 25px;flex:1;overflow-y:auto}.content-text{margin-top:10px;white-space:pre-wrap;line-height:1.7;color:#333;font-size:.95rem}.viewer-footer{padding:15px 25px;background:#f8f9fa;border-top:1px solid #eee}.license-notice{font-size:.9rem;color:#555;margin:0}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#0009;display:flex;align-items:center;justify-content:center;z-index:2000;padding:20px}@media(max-width:768px){.browse-main{padding:20px 15px}.browse-header h1{font-size:1.5rem}.search-form{flex-direction:column}.search-button{width:100%}.filters-row{flex-direction:column;gap:12px}.filter-group,.filter-group select,.filter-group input[type=date]{width:100%}.submissions-grid{grid-template-columns:1fr}.pagination{flex-direction:column;gap:10px}.viewer-header h2{font-size:1.1rem}.viewer-meta{flex-direction:column;gap:10px}}.projects-page{padding:20px;max-width:1400px;margin:0 auto}.projects-header{margin-bottom:40px;padding-bottom:20px;border-bottom:2px solid #e0e0e0}.projects-header h1{margin:0 0 10px;font-size:28px;font-weight:600;color:#333}.projects-header p{margin:0 0 20px;font-size:14px;color:#666}.btn-create-project{padding:12px 24px;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;border-radius:8px;cursor:pointer;font-size:14px;font-weight:600;transition:all .2s ease}.btn-create-project:hover{transform:translateY(-2px);box-shadow:0 4px 12px #667eea66}.projects-error{background:#fee;color:#c33;padding:16px;border-radius:8px;border-left:4px solid #f44;margin-bottom:20px;font-size:14px}.projects-loading{padding:40px;text-align:center;color:#666;font-size:16px}.projects-empty{padding:60px 40px;text-align:center;background:#f9f9f9;border-radius:12px;border:2px dashed #e0e0e0}.empty-icon{font-size:48px;margin-bottom:20px}.projects-empty h2{margin:0 0 10px;font-size:20px;color:#333}.projects-empty p{margin:0 0 30px;color:#666;font-size:14px}.projects-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:20px}.project-card{background:#fff;border:1px solid #e0e0e0;border-radius:12px;padding:20px;transition:all .2s ease;display:flex;flex-direction:column}.project-card:hover{border-color:#667eea;box-shadow:0 8px 16px #667eea26}.card-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:12px}.card-header h3{margin:0;font-size:18px;font-weight:600;color:#333;flex:1}.card-menu{display:flex;gap:8px}.inactive-badge{background:#f0f0f0;color:#999;padding:4px 8px;border-radius:4px;font-size:11px;font-weight:600;text-transform:uppercase}.card-description{margin:0 0 12px;font-size:13px;color:#666;line-height:1.5;flex:1}.card-objectives{margin:0 0 16px;padding:12px;background:#f9f9f9;border-radius:6px;border-left:3px solid #667eea}.card-objectives strong{font-size:12px;color:#667eea;text-transform:uppercase;display:block;margin-bottom:6px}.card-objectives p{margin:0;font-size:13px;color:#333;line-height:1.4}.card-footer{display:flex;justify-content:space-between;align-items:center;padding-top:12px;border-top:1px solid #f0f0f0;margin-top:auto}.card-date{font-size:12px;color:#999}.card-actions{display:flex;gap:8px}.btn-open{padding:8px 16px;background:#667eea;color:#fff;border:none;border-radius:6px;cursor:pointer;font-size:13px;font-weight:500;transition:all .2s ease}.btn-open:hover{background:#5a6fd8;transform:translateY(-1px)}.btn-delete{padding:8px 16px;background:#f5f5f5;color:#999;border:1px solid #e0e0e0;border-radius:6px;cursor:pointer;font-size:13px;font-weight:500;transition:all .2s ease}.btn-delete:hover:not(:disabled){background:#fee;color:#c33;border-color:#f44}.btn-delete:disabled{opacity:.6;cursor:not-allowed}.create-project-modal{max-width:500px}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#0009;display:flex;align-items:center;justify-content:center;z-index:1000;padding:20px}.modal-content{background:#fff;border-radius:12px;width:100%;max-height:90vh;overflow-y:auto;box-shadow:0 20px 60px #0000004d}.modal-header{display:flex;justify-content:space-between;align-items:center;padding:20px;border-bottom:1px solid #e0e0e0}.modal-header h2{margin:0;font-size:20px;font-weight:600;color:#333}.close-btn{background:none;border:none;font-size:24px;color:#999;cursor:pointer;padding:0;width:36px;height:36px;display:flex;align-items:center;justify-content:center;border-radius:50%;transition:all .2s ease}.close-btn:hover{background:#f5f5f5;color:#333}.create-project-form{padding:20px}.form-error{background:#fee;color:#c33;padding:12px;border-radius:6px;border-left:4px solid #f44;margin-bottom:16px;font-size:13px}.form-group{margin-bottom:20px;position:relative}.form-group label{display:block;margin-bottom:8px;font-size:13px;font-weight:600;color:#333}.form-group input,.form-group textarea{width:100%;padding:10px 12px;border:1px solid #e0e0e0;border-radius:6px;font-family:inherit;font-size:13px;color:#333;transition:all .2s ease}.form-group input:focus,.form-group textarea:focus{outline:none;border-color:#667eea;box-shadow:0 0 0 3px #667eea1a}.form-group input:disabled,.form-group textarea:disabled{background:#f5f5f5;cursor:not-allowed}.form-group textarea{resize:vertical}.char-count{position:absolute;right:12px;top:32px;font-size:11px;color:#999;background:#fff;padding:0 4px}.form-group small{display:block;margin-top:6px;font-size:12px;color:#999}.form-actions{display:flex;gap:12px;justify-content:flex-end;padding-top:20px;border-top:1px solid #e0e0e0}.btn-primary,.btn-secondary{padding:10px 24px;border:none;border-radius:6px;cursor:pointer;font-size:14px;font-weight:600;transition:all .2s ease}.btn-primary{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff}.btn-primary:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 4px 12px #667eea66}.btn-primary:disabled{opacity:.6;cursor:not-allowed}.btn-secondary{background:#f5f5f5;color:#666;border:1px solid #e0e0e0}.btn-secondary:hover:not(:disabled){background:#e0e0e0}@media(max-width:768px){.projects-page{padding:12px}.projects-grid{grid-template-columns:1fr}.projects-header h1{font-size:24px}.create-project-modal{max-width:100%}.modal-overlay{padding:12px}}.btn-manage{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;padding:8px 16px;border-radius:6px;cursor:pointer;font-size:14px}.btn-manage:hover{transform:translateY(-1px);box-shadow:0 4px 12px #667eea66}.document-uploader{margin:20px 0}.upload-area{border:2px dashed #ccc;border-radius:8px;padding:40px;text-align:center;cursor:pointer;transition:all .2s ease;background:#f9f9f9}.upload-area:hover{border-color:#667eea;background:#f0f0ff}.upload-area.drag-active{border-color:#667eea;background:#e6e6ff}.upload-area.uploading{cursor:not-allowed;opacity:.7}.upload-icon{font-size:48px;margin-bottom:10px}.upload-prompt p{margin:5px 0;color:#333}.file-types{font-size:12px;color:#999}.upload-status{display:flex;flex-direction:column;align-items:center;gap:10px}.spinner{width:40px;height:40px;border:4px solid #f3f3f3;border-top:4px solid #667eea;border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.upload-error{margin-top:10px;padding:10px;background:#fee;color:#c33;border-radius:4px;border-left:4px solid #f44;font-size:14px}.document-list{margin:20px 0}.document-list-loading,.document-list-error{padding:20px;text-align:center;color:#666}.document-list-error{color:#c33;background:#fee;border-radius:4px}.document-stats{display:flex;gap:20px;margin-bottom:20px;padding:15px;background:#f5f5f5;border-radius:8px}.document-stats .stat{display:flex;flex-direction:column;align-items:center;flex:1}.document-stats .stat strong{font-size:24px;color:#667eea}.document-stats .stat span{font-size:12px;color:#666;margin-top:4px}.no-documents{padding:40px;text-align:center;color:#999}.no-documents .hint{font-size:14px;margin-top:8px}.documents-table{overflow-x:auto}.documents-table table{width:100%;border-collapse:collapse;background:#fff;border-radius:8px;overflow:hidden;box-shadow:0 2px 4px #0000001a}.documents-table th{background:#667eea;color:#fff;padding:12px;text-align:left;font-weight:600}.documents-table td{padding:12px;border-bottom:1px solid #eee}.documents-table tbody tr:hover{background:#f9f9f9}.file-name{display:flex;align-items:center;gap:8px}.file-icon{font-size:18px}.status-badge{display:inline-block;padding:4px 12px;border-radius:12px;font-size:12px;font-weight:600}.status-pending{background:#ffeaa7;color:#d63031}.status-processing{background:#74b9ff;color:#0984e3}.status-completed{background:#00b894;color:#fff}.status-failed{background:#d63031;color:#fff}.btn-delete-small{background:none;border:none;cursor:pointer;font-size:18px;opacity:.6;transition:opacity .2s}.btn-delete-small:hover{opacity:1}.document-pinner{margin:20px 0;padding:20px;background:#f9f9f9;border-radius:8px}.pinner-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.pinner-header h3{margin:0;color:#333}.pin-limit{font-size:14px;color:#666;background:#fff;padding:6px 12px;border-radius:4px}.search-form{display:flex;gap:10px;margin-bottom:20px}.search-form input{flex:1;padding:10px 15px;border:2px solid #ddd;border-radius:6px;font-size:14px}.search-form input:focus{outline:none;border-color:#667eea}.btn-search{padding:10px 20px;background:#667eea;color:#fff;border:none;border-radius:6px;font-weight:600;cursor:pointer;transition:background .2s}.btn-search:hover:not(:disabled){background:#5568d3}.btn-search:disabled{opacity:.6;cursor:not-allowed}.search-error{padding:10px;background:#fee;color:#c33;border-radius:4px;margin-bottom:20px}.search-results h4{margin:0 0 15px;color:#333}.results-list{display:flex;flex-direction:column;gap:10px}.search-result-item{display:flex;justify-content:space-between;align-items:center;padding:15px;background:#fff;border-radius:6px;box-shadow:0 2px 4px #0000001a}.result-info{flex:1}.result-info h5{margin:0 0 5px;color:#333;font-size:16px}.result-source{margin:5px 0;font-size:13px;color:#666}.result-keywords{display:flex;gap:6px;flex-wrap:wrap;margin-top:8px}.keyword-tag{background:#e0e7ff;color:#667eea;padding:3px 8px;border-radius:3px;font-size:11px;font-weight:600}.btn-pin{padding:8px 16px;background:#00b894;color:#fff;border:none;border-radius:4px;font-weight:600;cursor:pointer;transition:background .2s}.btn-pin:hover:not(:disabled){background:#00a884}.btn-pin:disabled{background:#ccc;cursor:not-allowed}.pinned-documents-list{margin:20px 0}.pinned-docs-loading,.pinned-docs-error{padding:20px;text-align:center;color:#666}.pinned-docs-error{color:#c33;background:#fee;border-radius:4px}.pinned-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.pinned-header h3{margin:0;color:#333}.pin-count{background:#667eea;color:#fff;padding:6px 12px;border-radius:4px;font-size:14px;font-weight:600}.no-pinned-docs{padding:40px;text-align:center;color:#999;background:#f9f9f9;border-radius:8px}.no-pinned-docs .hint{font-size:14px;margin-top:8px}.pinned-docs-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:15px}.pinned-doc-card{background:#fff;border:2px solid #e0e7ff;border-radius:8px;padding:15px;box-shadow:0 2px 4px #0000001a;transition:transform .2s,box-shadow .2s}.pinned-doc-card:hover{transform:translateY(-2px);box-shadow:0 4px 8px #00000026}.doc-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}.pin-icon{font-size:20px}.btn-unpin{background:none;border:none;font-size:18px;color:#999;cursor:pointer;transition:color .2s}.btn-unpin:hover{color:#c33}.pinned-doc-card h4{margin:0 0 8px;color:#333;font-size:16px;line-height:1.4}.doc-source{margin:5px 0;font-size:13px;color:#667eea;font-weight:600}.doc-pinned-date{margin:5px 0 0;font-size:12px;color:#999}.project-workspace-page{min-height:100vh;background:#667eea}.project-workspace{max-width:1400px;margin:20px auto;padding:30px;background:#667eea;border-radius:12px;box-shadow:0 4px 20px #00000026}.workspace-loading,.workspace-error{padding:40px;text-align:center;color:#fff}.workspace-error button{margin-top:20px;padding:10px 20px;background:#fff;color:#667eea;border:none;border-radius:6px;cursor:pointer;font-weight:600}.workspace-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:30px;padding-bottom:20px;border-bottom:2px solid white}.header-left{display:flex;flex-direction:column;gap:15px}.nav-breadcrumbs{margin-bottom:10px}.btn-back{background:none;border:none;color:#fff;font-size:14px;cursor:pointer;padding:0;display:flex;align-items:center;gap:5px;font-weight:600}.btn-back:hover{text-decoration:underline}.project-info h1{margin:0;color:#fff;font-size:28px;font-weight:700}.project-description{margin:10px 0 0;color:#fff;font-size:16px}.header-actions{display:flex;gap:10px}.btn-chat,.btn-edit{padding:10px 20px;border:none;border-radius:6px;font-weight:600;cursor:pointer;transition:all .2s}.btn-chat{background:#fff;color:#667eea}.btn-chat:hover{transform:translateY(-1px);box-shadow:0 4px 12px #0003}.btn-edit{background:transparent;color:#fff;border:2px solid white}.btn-edit:hover{background:#fff;color:#667eea}.workspace-tabs{display:flex;gap:10px;margin-bottom:30px;border-bottom:2px solid white}.workspace-tabs .tab{padding:12px 24px;background:none;border:none;border-bottom:3px solid transparent;font-size:16px;font-weight:600;cursor:pointer;color:#fff;transition:all .2s}.workspace-tabs .tab:hover{background:#fff3}.workspace-tabs .tab.active{color:#fff;border-bottom-color:#fff;background:#ffffff1a}.workspace-content{min-height:500px}.tab-content{animation:fadeIn .3s}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.chat-redirect{text-align:center;padding:60px 20px}.chat-redirect h2{margin:0 0 15px;color:#fff;font-weight:700}.chat-redirect p{color:#fff;margin-bottom:30px}.btn-primary-large{padding:15px 40px;background:#fff;color:#667eea;border:none;border-radius:8px;font-size:18px;font-weight:600;cursor:pointer;transition:all .2s}.btn-primary-large:hover{transform:translateY(-1px);box-shadow:0 4px 12px #0003}.documents-section,.pinned-section{margin-bottom:40px;padding:25px;background:#fff;border-radius:8px;box-shadow:0 2px 8px #0000001a}.documents-section h2,.pinned-section h2{margin:0 0 10px;color:#333;font-weight:700}.documents-section p,.pinned-section p{margin:0 0 20px;color:#333}.tab-content h2{color:#fff;font-weight:700}.tab-content>p{color:#fff}.settings-info{background:#fff;padding:20px;border-radius:8px;margin-bottom:20px;box-shadow:0 2px 8px #0000001a}.setting-item{display:flex;flex-direction:column;margin-bottom:20px;padding-bottom:20px;border-bottom:1px solid #e0e0e0}.setting-item:last-child{border-bottom:none;margin-bottom:0;padding-bottom:0}.setting-item label{font-weight:600;color:#667eea;margin-bottom:8px}.setting-item span{color:#333}.setting-item pre{white-space:pre-wrap;color:#333;background:#f5f5f5;padding:10px;border-radius:4px;margin:0;font-family:inherit}.btn-edit-large{padding:12px 30px;background:#fff;color:#667eea;border:none;border-radius:6px;font-size:16px;font-weight:600;cursor:pointer;transition:all .2s}.btn-edit-large:hover{transform:translateY(-1px);box-shadow:0 4px 12px #0003}@media(max-width:768px){.project-workspace{margin:10px;padding:20px}.workspace-header{flex-direction:column;gap:20px}.header-actions{width:100%}.header-actions button{flex:1}.workspace-tabs{flex-wrap:wrap}.workspace-tabs .tab{padding:10px 16px;font-size:14px}.project-info h1{font-size:22px}}.feedback-panel{background:#f9f9f9;border-radius:12px;padding:24px;margin-top:24px;border:1px solid #e0e0e0}.feedback-header{margin-bottom:20px;padding-bottom:16px;border-bottom:2px solid #e0e0e0}.feedback-header h3{margin:0 0 8px;font-size:18px;font-weight:600;color:#333}.feedback-header p{margin:0;font-size:13px;color:#666}.feedback-error{background:#fee;border-left:4px solid #f44;color:#c33;padding:12px 16px;border-radius:6px;margin-bottom:16px;font-size:13px;display:flex;align-items:center;gap:8px}.feedback-error:before{content:"⚠️";font-size:14px}.feedback-success{background:#efe;border-left:4px solid #4f4;color:#3a3;padding:12px 16px;border-radius:6px;margin-bottom:16px;font-size:13px;display:flex;align-items:center;gap:8px}.feedback-success:before{content:"✓";font-weight:700;font-size:14px}.feedback-types{display:flex;flex-direction:column;gap:12px}.feedback-type{background:#fff;border:1px solid #e0e0e0;border-radius:8px;overflow:hidden;transition:all .2s ease}.feedback-type:hover{border-color:#d0d0d0;box-shadow:0 2px 8px #0000000d}.feedback-type.expanded{border-color:#667eea;box-shadow:0 4px 12px #667eea26}.feedback-type-header{width:100%;padding:16px;background:#fff;border:none;cursor:pointer;display:flex;align-items:center;gap:12px;font-size:14px;font-weight:500;color:#333;transition:all .2s ease;text-align:left}.feedback-type-header:hover:not(:disabled){background:#f5f5f5}.feedback-type-header:disabled{cursor:not-allowed;opacity:.6}.feedback-type-icon{font-size:16px;flex-shrink:0}.feedback-type-title{flex:1;font-weight:500}.feedback-type-status{font-size:12px;color:#999;min-width:120px;text-align:right}.feedback-type-status.submitted{color:#4a9;font-weight:500}.feedback-type-arrow{font-size:10px;color:#999;flex-shrink:0;transition:transform .2s ease}.feedback-type.expanded .feedback-type-arrow{transform:rotate(0)}.feedback-type-content{padding:0 16px 16px;border-top:1px solid #f0f0f0;animation:slideDown .2s ease}@keyframes slideDown{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}.feedback-type-content>p{margin:12px 0 16px;font-size:13px;color:#666}.reaction-buttons{display:flex;gap:12px}.reaction-btn{flex:1;padding:12px 16px;border:2px solid #e0e0e0;border-radius:8px;background:#fff;cursor:pointer;font-size:13px;font-weight:500;color:#333;transition:all .2s ease}.reaction-btn:hover:not(:disabled){border-color:#667eea;color:#667eea;background:#f5f7ff}.reaction-btn:disabled{opacity:.6;cursor:not-allowed}.reaction-btn.thumbs-up{--emoji: "👍"}.reaction-btn.thumbs-down{--emoji: "👎"}.rating-stars{display:flex;gap:8px;margin-bottom:12px}.rating-star{width:44px;height:44px;padding:0;border:2px solid #e0e0e0;border-radius:8px;background:#fff;cursor:pointer;font-size:22px;color:#ddd;transition:all .2s ease;display:flex;align-items:center;justify-content:center}.rating-star:hover:not(:disabled){border-color:#ffc107;color:#ffc107;background:#fffef5;transform:scale(1.1)}.rating-star.hovered{border-color:#ffc107;color:#ffc107;background:#fffef5}.rating-star:disabled{opacity:.6;cursor:not-allowed}.rating-label{text-align:center;font-size:13px;color:#ffc107;font-weight:500;margin:0}.relevance-options{display:flex;flex-direction:column;gap:8px}.relevance-option{padding:12px 16px;border:2px solid #e0e0e0;border-radius:8px;background:#fff;cursor:pointer;text-align:left;transition:all .2s ease;display:flex;flex-direction:column;gap:4px}.relevance-option:hover:not(:disabled){border-color:#667eea;background:#f5f7ff}.relevance-option:disabled{opacity:.6;cursor:not-allowed}.option-label{font-size:13px;font-weight:500;color:#333}.option-description{font-size:12px;color:#999}.feedback-form{display:flex;flex-direction:column;gap:12px}.form-group{position:relative}.feedback-textarea{width:100%;padding:12px 16px;border:2px solid #e0e0e0;border-radius:8px;font-family:inherit;font-size:13px;color:#333;resize:none;transition:all .2s ease}.feedback-textarea:focus{outline:none;border-color:#667eea;box-shadow:0 0 0 3px #667eea1a}.feedback-textarea:disabled{background:#f5f5f5;cursor:not-allowed;opacity:.6}.feedback-textarea::placeholder{color:#999}.char-count{position:absolute;bottom:8px;right:12px;font-size:11px;color:#999;background:#fff;padding:0 4px}.submit-btn{padding:12px 24px;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;border-radius:8px;cursor:pointer;font-size:13px;font-weight:600;transition:all .2s ease}.submit-btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 4px 12px #667eea66}.submit-btn:disabled{opacity:.6;cursor:not-allowed}@media(max-width:768px){.feedback-panel{padding:16px}.reaction-buttons{flex-direction:column}.rating-stars{gap:6px}.rating-star{width:40px;height:40px;font-size:18px}.feedback-type-header{flex-wrap:wrap}.feedback-type-status{flex-basis:100%;text-align:left;margin-top:4px}}@media(prefers-color-scheme:dark){.feedback-panel{background:#2a2a2a;border-color:#444}.feedback-header{border-bottom-color:#444;color:#fff}.feedback-header p{color:#aaa}.feedback-type{background:#333;border-color:#444}.feedback-type:hover{border-color:#555}.feedback-type-header{background:#333;color:#fff}.feedback-type-header:hover:not(:disabled){background:#3a3a3a}.feedback-type-content{border-top-color:#444}.feedback-type-content>p{color:#aaa}.reaction-btn,.rating-star,.relevance-option{background:#3a3a3a;border-color:#444;color:#fff}.reaction-btn:hover:not(:disabled),.rating-star:hover:not(:disabled){background:#444}.feedback-textarea{background:#3a3a3a;border-color:#444;color:#fff}.feedback-textarea::placeholder{color:#666}}