@import "https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap";
@import "https://cdn.jsdelivr.net/npm/katex@0.16.9/dist/katex.min.css";
:root{--brand:#179fb4;--brand-dark:#0e7a8a;--brand-hover:#0e7a8a;--brand-light:#e8f7fa;--brand-glow:#179fb426;--bg:#f0f4f8;--surface:#fff;--surface-2:#f8fafc;--surface-3:#f1f5f9;--border:#00000014;--border-strong:#00000024;--text:#1a202c;--text-2:#4a5568;--text-3:#94a3b8;--error:#e53e3e;--success:#38a169;--radius:14px;--radius-lg:22px;--radius-xl:30px;--shadow:0 4px 20px #00000012;--shadow-md:0 4px 20px #00000014;--shadow-lg:0 12px 40px #0000001a;--t:.18s cubic-bezier(.4, 0, .2, 1)}@media (prefers-color-scheme:dark){:root{--bg:#0f172a;--surface:#1e293b;--surface-2:#1e293b;--surface-3:#334155;--border:#ffffff14;--border-strong:#ffffff24;--text:#f8fafc;--text-2:#cbd5e1;--text-3:#94a3b8;--brand-light:#164e63;--brand-glow:#179fb440;--shadow:0 4px 20px #0000004d;--shadow-lg:0 12px 40px #0006;--success:#4ade80;--error:#ff6b6b;--brand-dark:#82e9f4;--brand-hover:#117b8c}}.dark{--bg:#0f172a;--surface:#1e293b;--surface-2:#1e293b;--surface-3:#334155;--border:#ffffff14;--border-strong:#ffffff24;--text:#f8fafc;--text-2:#cbd5e1;--text-3:#94a3b8;--brand-light:#164e63;--brand-glow:#179fb440;--shadow:0 4px 20px #0000004d;--shadow-lg:0 12px 40px #0006;--success:#4ade80;--error:#ff6b6b;--brand-dark:#82e9f4;--brand-hover:#117b8c}.light{--bg:#f0f4f8;--surface:#fff;--surface-2:#f8fafc;--surface-3:#f1f5f9;--border:#00000014;--border-strong:#00000024;--text:#1a202c;--text-2:#4a5568;--text-3:#94a3b8;--brand-light:#e8f7fa;--brand-glow:#179fb426;--shadow:0 4px 20px #00000012;--shadow-lg:0 12px 40px #0000001a;--success:#38a169;--error:#e53e3e;--brand-dark:#0e7a8a;--brand-hover:#0e7a8a}*,:before,:after{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg);height:100dvh;color:var(--text);-webkit-font-smoothing:antialiased;font-family:Poppins,sans-serif;overflow:hidden}#login-section{animation:.4s cubic-bezier(.16,1,.3,1) fadeUp;background:var(--surface)!important;border-radius:var(--radius-xl)!important;max-width:420px!important;box-shadow:var(--shadow-lg)!important;border:1px solid var(--border)!important;margin:60px auto!important;padding:40px!important}@keyframes fadeUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}#login-section .logo-container{text-align:center;margin-bottom:28px;position:static!important}.response .katex,.lhelpfull .katex{color:inherit!important}.katex-display{overflow-x:auto;margin:8px 0!important}.btn-microsoft{border-radius:var(--radius);cursor:pointer;width:100%;transition:all var(--t);border:none;justify-content:center;align-items:center;gap:8px;margin-bottom:18px;padding:13px 20px;font-family:Poppins,sans-serif;font-size:14px;font-weight:500;display:flex;background:var(--brand)!important;color:#fff!important}.btn-microsoft:hover{transform:translateY(-1px);box-shadow:0 4px 14px #179fb459;background:var(--brand-hover)!important}#login-section h3{text-align:center;color:var(--text);margin-bottom:18px;font-size:17px;font-weight:600}#login-section p{color:var(--text-2);font-size:13px}#login-section input[type=email],#login-section input[type=password],#login-section input[type=text]{background:var(--surface-2);color:var(--text);transition:border-color var(--t), box-shadow var(--t);outline:none;margin-bottom:12px;font-family:Poppins,sans-serif;font-size:14px;display:block;border:1.5px solid var(--border-strong)!important;border-radius:var(--radius)!important;width:100%!important;padding:11px 14px!important}#login-section input:focus{background:var(--surface);border-color:var(--brand)!important;box-shadow:0 0 0 3px var(--brand-glow)!important}#login-section input::placeholder{color:var(--text-3)}.chat-layout{background:var(--surface);width:100%;height:100dvh;display:flex;position:relative;overflow:hidden}.sidebar{background:var(--surface);border-right:1px solid var(--border);box-sizing:border-box;flex-direction:column;flex-shrink:0;width:300px;height:100dvh;padding:20px;display:flex;box-shadow:2px 0 12px #0000000a}.sidebar h3{color:var(--text);flex-shrink:0;align-items:center;gap:10px;margin-bottom:12px;font-size:17px;font-weight:600;display:flex}.chatbot-logo{width:auto;height:38px}#user-info{background:var(--brand-light);border-radius:8px;padding:8px 12px;font-weight:500;color:var(--brand-dark)!important;margin-bottom:16px!important;font-size:12px!important}.sidebar .helpful-answers-title{text-transform:uppercase;letter-spacing:.07em;color:var(--text-3);flex-shrink:0;margin-bottom:8px;font-size:10px;font-weight:600;display:block}.doc-search-box{background:var(--brand-light);border:1.5px solid var(--brand);border-radius:12px;flex-direction:column;flex-shrink:0;gap:6px;margin-bottom:14px;padding:10px 12px;display:flex}.doc-search-box-label{text-transform:uppercase;letter-spacing:.07em;color:var(--brand-dark);font-size:10px;font-weight:600}.doc-search-box-row{align-items:center;display:flex;position:relative}.doc-search-box input{border:1.5px solid var(--brand);background:var(--surface);width:100%;height:34px;color:var(--text);box-sizing:border-box;border-radius:8px;padding:0 38px 0 10px;font-family:inherit;font-size:12px;transition:border-color .2s,box-shadow .2s}.doc-search-box input:focus{border-color:var(--brand-dark);outline:none;box-shadow:0 0 0 3px #179fb426}.doc-search-box button{background:var(--brand);color:#fff;cursor:pointer;border:none;border-radius:6px;flex-shrink:0;justify-content:center;align-items:center;width:26px;height:26px;font-size:13px;transition:background .15s;display:flex;position:absolute;top:50%;right:4px;transform:translateY(-50%)}.doc-search-box button:hover{background:var(--brand-hover)}.search-modal-overlay{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:2000;background:#00000073;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.search-modal{background:var(--surface);color:var(--text);border:1px solid var(--border);border-radius:18px;flex-direction:column;width:90%;max-width:780px;max-height:80vh;display:flex;overflow:hidden;box-shadow:0 20px 60px #0003}.search-modal-header{border-bottom:1px solid var(--border);align-items:center;gap:10px;padding:18px 22px 14px;display:flex}.search-modal-header input{border:1.5px solid var(--border);background:var(--surface-2);color:var(--text);border-radius:10px;flex-grow:1;padding:9px 14px;font-family:inherit;font-size:14px;transition:border-color .2s}.search-modal-header input:focus{border-color:var(--brand);outline:none}.search-modal-header button.search-go{background:var(--brand);color:#fff;cursor:pointer;white-space:nowrap;border:none;border-radius:10px;padding:9px 18px;font-family:inherit;font-size:13px;font-weight:500}.search-modal-header button.search-go:hover{background:var(--brand-hover)}.search-modal-header button.search-close{background:var(--surface);border:1px solid var(--border);cursor:pointer;color:var(--text-2);border-radius:10px;padding:9px 12px;font-size:14px}.search-modal-body{background:var(--surface-2);flex-grow:1;padding:16px 22px;overflow-y:auto}.search-modal-count{color:var(--text-3);margin-bottom:12px;font-size:12px}.search-cards-grid{grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px;display:grid}.search-card{background:var(--surface);border:1.5px solid var(--border);cursor:pointer;border-radius:12px;padding:14px;transition:border-color .15s,box-shadow .15s,transform .15s}.search-cards-grid.has-active-preview .search-card-active-preview{border-color:var(--brand);grid-column:1/-1;justify-self:center;width:min(920px,100%);padding:18px;box-shadow:0 8px 24px #179fb433}.search-cards-grid.has-active-preview .search-card-active-preview .search-card-preview{min-height:220px}.search-card:hover{border-color:var(--brand);transform:translateY(-2px);box-shadow:0 4px 14px #179fb426}.search-card-icon{margin-bottom:8px;font-size:22px}.search-card-name{color:var(--text);word-break:break-word;line-clamp:2;-webkit-box-orient:vertical;margin-bottom:4px;font-size:12px;font-weight:600;display:-webkit-box;overflow:hidden}.search-card-folder{color:var(--text-3);margin-bottom:8px;font-size:10px}.search-card-excerpt{color:var(--text-2);line-clamp:3;-webkit-box-orient:vertical;font-size:11px;line-height:1.5;display:-webkit-box;overflow:hidden}.search-card-footer{justify-content:space-between;align-items:center;margin-top:8px;display:flex}.search-card-score{background:var(--brand-light);color:var(--brand-dark);border-radius:8px;padding:2px 7px;font-size:10px}.search-card-dl{color:var(--brand);border:1px solid var(--brand);border-radius:6px;padding:2px 8px;font-size:10px;text-decoration:none}.search-card-dl:hover{background:var(--brand);color:#fff}.search-card-actions{gap:6px;margin-top:10px;display:flex}.search-card-btn-chat,.search-card-btn-preview,.search-card-btn-dl{cursor:pointer;border:none;border-radius:8px;flex:1;padding:6px 4px;font-family:inherit;font-size:11px;font-weight:500;transition:opacity .15s}.search-card-btn-chat{background:var(--brand-light);color:var(--brand-dark)}.search-card-btn-chat:hover{opacity:.8}.search-card-btn-preview{color:var(--brand-dark);background:#e8f4f6}.search-card-btn-preview:hover{opacity:.8}.search-card-btn-dl{background:var(--brand);color:#fff}.search-card-btn-dl:hover{background:var(--brand-hover)}.search-card-preview{border:1px solid var(--border);min-height:52px;color:var(--text-3);background:#fff;border-radius:8px;margin-top:8px;font-size:11px;display:block;overflow:hidden}.search-card-preview>span{justify-content:center;align-items:center;min-height:52px;display:flex}.search-card-preview-resizer{width:100%;height:240px;min-height:160px;max-height:70vh;position:relative;overflow:hidden}.pdf-preview-resizer{width:100%;height:420px;min-height:320px;max-height:80vh;position:relative;overflow:hidden}.search-card-preview-resizer iframe,.pdf-preview-resizer iframe{border:0;width:100%;height:100%;display:block;position:absolute;inset:0}.search-cards-grid.has-active-preview .search-card-active-preview .search-card-preview-resizer{height:360px}.search-card-preview-drag-handle,.pdf-preview-drag-handle{cursor:ns-resize;z-index:3;touch-action:none;background:linear-gradient(#179fb400,#179fb438);height:12px;position:absolute;bottom:0;left:0;right:0}.search-card-preview-drag-handle:before,.pdf-preview-drag-handle:before{content:"";background:#179fb4d9;border-radius:999px;width:36px;height:4px;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}@media (max-width:900px){.search-cards-grid.has-active-preview .search-card-active-preview{width:100%;padding:14px}.search-card-preview-resizer,.pdf-preview-resizer{height:260px;min-height:200px;max-height:60vh}.search-cards-grid.has-active-preview .search-card-active-preview .search-card-preview-resizer{height:300px}.search-card-preview-drag-handle,.pdf-preview-drag-handle{height:16px}}.search-empty{text-align:center;color:var(--text-3);padding:40px;font-size:13px}.search-loading{justify-content:center;gap:8px;padding:40px;display:flex}.search-loading span{background:var(--brand);border-radius:50%;width:9px;height:9px;animation:.7s infinite alternate loadBounce}.search-loading span:nth-child(2){animation-delay:.15s}.search-loading span:nth-child(3){animation-delay:.3s}#last-feedback-list{flex-grow:1;margin:0;padding:0;list-style:none;overflow-y:auto}#last-feedback-list li{cursor:pointer;background:var(--surface-2);border:1px solid var(--border);color:var(--text-2);transition:all var(--t);white-space:nowrap;text-overflow:ellipsis;border-radius:10px;margin-bottom:5px;padding:10px 12px;font-size:13px;line-height:1.4;overflow:hidden}#last-feedback-list li:hover{background:var(--brand-light);color:var(--brand-dark);border-color:#179fb433;transform:translate(4px)}.bottom-icons{border-top:1px solid var(--border);flex-shrink:0;justify-content:space-around;width:100%;margin-top:auto;padding-top:16px;display:flex}.bottom-icons button{cursor:pointer;color:var(--text-2);transition:all var(--t);background:0 0;border:none;border-radius:10px;justify-content:center;align-items:center;padding:8px;font-size:20px;display:flex}.bottom-icons button:hover{color:var(--brand);background:var(--brand-light);transform:translateY(-2px)}.main-content{background:var(--bg);flex-direction:column;flex:1;height:100dvh;padding:20px;display:flex;position:relative;overflow:hidden}.burger-menu-toggle{z-index:10;display:none}.prompt-suggestion{cursor:pointer;color:var(--brand-dark);transition:all var(--t);background:var(--brand-light);white-space:nowrap;text-overflow:ellipsis;border:1px solid #179fb440;border-radius:999px;align-self:flex-start;align-items:center;gap:6px;max-width:100%;margin-bottom:14px;padding:7px 16px;font-size:13px;font-weight:500;display:inline-flex;overflow:hidden}.prompt-suggestion:hover{background:var(--brand);color:#fff;border-color:var(--brand);box-shadow:0 3px 12px #179fb44d}.chat-area{border-radius:var(--radius-lg);background:var(--surface);box-shadow:var(--shadow);border:1px solid var(--border);flex-direction:column;flex:1;min-height:0;display:flex;overflow:hidden}.history-box{flex-direction:column;flex-grow:1;gap:2px;padding:24px;display:flex;position:relative;overflow-y:auto}.chat-empty-welcome{pointer-events:none;z-index:0;text-align:center;opacity:1;flex-direction:column;justify-content:center;align-items:center;display:flex;position:absolute;inset:0}.chat-empty-welcome-title{color:var(--brand-dark);opacity:.36;letter-spacing:.02em;text-shadow:0 1px #ffffff40;font-size:clamp(26px,4vw,44px);font-weight:700;animation:3.2s ease-in-out infinite welcomeFloat}.chat-empty-welcome-subtitle{color:var(--text);opacity:.5;margin-top:10px;font-size:clamp(12px,1.5vw,15px);animation:2.2s ease-in-out infinite alternate welcomeFade}.dark .chat-empty-welcome-title{color:#82e9f4;opacity:.42;text-shadow:0 1px 8px #00000059}.dark .chat-empty-welcome-subtitle{color:#e2e8f0;opacity:.62}.light .chat-empty-welcome-title{color:#0e7a8a;opacity:.4}.light .chat-empty-welcome-subtitle{color:#334155;opacity:.58}@keyframes welcomeFloat{0%{transform:translateY(0)}50%{transform:translateY(-6px)}to{transform:translateY(0)}}@keyframes welcomeFade{0%{opacity:.65}to{opacity:1}}.history-box::-webkit-scrollbar{width:4px}.history-box::-webkit-scrollbar-track{background:0 0}.history-box::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:10px}.query,.response,.lhelpfull{word-break:break-word;border-radius:18px;width:fit-content;max-width:80%;margin-bottom:10px;padding:12px 16px;font-size:14px;line-height:1.45;animation:.2s msgIn}@keyframes msgIn{0%{opacity:0;transform:translateY(5px)}to{opacity:1;transform:translateY(0)}}.query{background:var(--surface-3);border:1px solid var(--border);color:var(--text);border-bottom-left-radius:4px;align-self:flex-start}.response,.lhelpfull{background:var(--brand);color:#fff;border-bottom-right-radius:4px;align-self:flex-end;box-shadow:0 2px 10px #179fb440}.response a,.lhelpfull a{color:#ffe066;cursor:pointer;text-decoration:underline}.response h1,.response h2,.response h3,.lhelpfull h1,.lhelpfull h2,.lhelpfull h3{margin:10px 0 4px;font-weight:600}.response ul,.response ol,.lhelpfull ul,.lhelpfull ol{white-space:normal;margin:6px 0;padding-left:20px}.response li,.lhelpfull li{margin:2px 0}.response li p,.lhelpfull li p{margin:0}.response p,.lhelpfull p{margin:4px 0}.response p:first-child,.lhelpfull p:first-child{margin-top:0}.response p:last-child,.lhelpfull p:last-child{margin-bottom:0}.history-message{background:linear-gradient(135deg, var(--brand-light), var(--surface-2));border-radius:var(--radius);color:var(--text);border:1px solid #179fb433;margin-bottom:18px;padding:18px 22px;font-size:14px;line-height:1.45;animation:.35s msgIn}.history-message strong{color:var(--brand-dark)}.history-message ul{margin:8px 0;padding-left:18px}.history-message li{margin:5px 0}.loading{color:var(--text-2);background:var(--surface-2);border:1px solid var(--border);border-radius:999px;align-self:flex-end;margin-top:4px;padding:8px 16px;font-size:13px;font-style:italic}.response.error{color:var(--error);box-shadow:none;background:#fff5f5;border:1px solid #e53e3e40;align-self:flex-start}.input-area{border-top:1px solid var(--border);background:var(--surface-2);flex-direction:row;flex-shrink:0;align-items:center;gap:8px;padding:12px 16px;display:flex}.input-controls-row,.input-chat-row{align-items:center;gap:8px;display:flex}.input-controls-row{flex-wrap:nowrap;flex-shrink:0}.input-chat-row{flex:1;width:auto;min-width:0}.input-query-wrap{flex:1;align-items:center;display:flex;position:relative}.input-area textarea{border:1.5px solid var(--border-strong);background:var(--surface);width:100%;color:var(--text);box-sizing:border-box;transition:border-color var(--t), box-shadow var(--t);resize:none;border-radius:20px;outline:none;height:44px;max-height:180px;padding:11px 40px 11px 16px;font-family:Poppins,sans-serif;font-size:14px;line-height:1.5}.input-area textarea:focus{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-glow)}.input-area textarea::placeholder{color:var(--text-3)}.input-search-icon{z-index:2;color:var(--brand);cursor:pointer;opacity:.5;font-size:16px;line-height:1;transition:opacity .2s;position:absolute;right:12px}.input-search-icon:hover{opacity:1}.input-search-icon.hidden{opacity:0;pointer-events:none}.input-area button{background:var(--brand);color:#fff;cursor:pointer;width:42px;height:42px;transition:all var(--t);border:none;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:18px;display:flex}.input-area button:hover{background:var(--brand-dark);transform:scale(1.06)}.input-area button:disabled{opacity:.5;cursor:not-allowed}.input-area-wrapper{flex-direction:column;display:flex}.notice-toggle-btn{font-weight:600;background:var(--surface)!important;border:1px solid var(--border-strong)!important;width:auto!important;min-width:0!important;height:32px!important;color:var(--text-2)!important;border-radius:10px!important;padding:0 10px!important;font-size:11px!important;transform:none!important}.notice-toggle-btn:hover{background:var(--surface-3);color:var(--text)}.notice-consent-panel{background:var(--surface-2);border-top:1px dashed var(--border-strong);flex-direction:column;gap:8px;padding:10px 12px 12px;display:flex}.notice-consent-panel p{color:var(--text-2);margin:0;font-size:11px;line-height:1.45}.notice-consent-panel label{color:var(--text-2);cursor:pointer;align-items:flex-start;gap:8px;font-size:11px;line-height:1.45;display:flex}.notice-consent-panel input[type=checkbox]{min-width:16px;min-height:16px;margin-top:2px}.file-badge.from-search{border-color:var(--brand);background:var(--brand-light)}.feedback-buttons{align-self:flex-end;gap:8px;margin-top:6px;display:flex}.feedback-buttons button{cursor:pointer;transition:all var(--t);background:var(--surface);border:1.5px solid;border-radius:999px;align-items:center;gap:5px;padding:5px 14px;font-family:Poppins,sans-serif;font-size:12px;font-weight:500;display:flex}.feedback-buttons button.positive{color:var(--success);border-color:var(--success)}.feedback-buttons button.positive:hover{background:var(--success);color:#fff}.feedback-buttons button.negative{color:var(--error);border-color:var(--error)}.feedback-buttons button.negative:hover{background:var(--error);color:#fff}.feedback-buttons button.detailed{color:var(--brand);border-color:var(--brand)}.feedback-buttons button.detailed:hover{background:var(--brand);color:#fff}.file-badge{background:var(--surface-2);color:var(--text-2);border:1.5px solid var(--border-strong);border-radius:999px;align-items:center;gap:6px;padding:4px 12px;font-size:12px;font-weight:500;display:inline-flex}.file-badge button{cursor:pointer;color:var(--error);transition:color var(--t);background:0 0;border:none;align-items:center;display:flex}.file-badge button:hover{color:#9b2c2c}.overlay{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:999;background:#00000073;position:fixed;inset:0}.settings-modal,.feedback-modal{background:var(--surface);color:var(--text);border-radius:var(--radius-xl);z-index:1003;width:90%;max-width:500px;box-shadow:var(--shadow-lg);border:1px solid 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