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button{position:absolute;top:20px;right:20px;background:#2d79e4;color:#fff;border:none;padding:8px 16px;border-radius:5px;cursor:pointer}.terms-content button:hover{opacity:.8}.chat-interface{flex:1;display:flex;background-color:transparent;width:100%;flex-direction:column}.search-container{display:flex;flex-direction:column;align-items:center;height:100vh;justify-content:space-between;min-height:100vh;overflow:hidden}.search-bar-wrapper{position:absolute;left:50%;transform:translate(-50%);width:60%;max-width:400px;margin:0 auto;padding:1rem;z-index:10;transition:all .3s ease;background-color:transparent}.search-bar-wrapper.fixed{position:fixed;bottom:20px;left:50%;transform:translate(-50%);width:90%;max-width:600px}.search-bar-container{display:flex;flex-direction:column;align-items:center;border-radius:12px;padding:.75rem 1rem;box-shadow:0 4px 6px -1px 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ease}.icon-button-send:hover{color:var(--button-text)}.icon-button-send:disabled{opacity:.5;cursor:not-allowed}.model-selector{min-width:160px;margin-right:10px;transition:all .3s ease-in-out}.model-selector .MuiOutlinedInput-root{height:36px;font-size:.875rem;transition:all .2s ease}.model-selector .MuiOutlinedInput-root fieldset{border-radius:6px}.model-selector .MuiOutlinedInput-root:hover fieldset{border-color:#0003}.model-selector .MuiOutlinedInput-root.Mui-focused fieldset{border-color:#4f46e5}.model-selector .MuiInputLabel-root{font-size:.875rem}.model-selector .MuiSelect-icon{color:#00000080}.model-selector .MuiMenuItem-root{font-size:.875rem}.messages-container{flex-direction:column;gap:10px;overflow-y:scroll;scrollbar-width:thin;scrollbar-color:rgba(38,38,38,.5) transparent}.messages-container img{max-width:80%;height:auto;display:block;margin:0 auto}.follow-up-questions{display:flex;gap:1rem;flex-wrap:wrap;position:sticky;z-index:5;justify-content:center}.follow-up-questions button{background:#5da9e91a;border:1px solid rgba(93,169,233,.3);border-radius:20px;padding:.5rem 1rem;color:#fff;cursor:pointer;transition:all .2s ease;font-size:.8rem}.follow-up-questions button:hover{background:#5da9e933;border-color:#5da9e980;color:#fff}@media (max-width: 480px){.search-container{padding:10px}.title{font-size:20px;margin-bottom:15px}.search-bar-container{padding:6px 12px}.messages-container{padding-left:10px;padding-right:10px}}.dark{--searchbar-bg: #415458;--searchbar-icon: #fff;--searchbar-text: #fff;--searchbar-placeholder: #999;--button-bg: #1596B2;--button-text: #fff}.sidebar{position:fixed;top:0;left:0;width:280px;height:100vh;display:flex;flex-direction:column;background-color:var(--sidebar-bg);color:var(--sidebar-text);border-right:1px solid var(--sidebar-border);transition:all .3s ease;box-shadow:0 0 15px #0000000d;z-index:1200}.sidebar-content{display:flex;flex-direction:column;gap:2px;padding:1.5rem;height:80%;flex-grow:1;color:var(--sidebar-text)}.sidebar-content button,.sidebar-content .MuiListItem-root{all:unset;box-sizing:border-box;cursor:pointer;text-align:left;display:flex;align-items:center;gap:10px;padding:8px 12px;font-size:var(--kxpert-typography-body2-fontSize, 14px);font-weight:var(--kxpert-typography-body2-fontWeight, normal);color:var(--kxpert-palette-text-secondary, #71717a);transition:background-color .2s ease}.button,.MuiListItem-root{display:flex;align-items:center;gap:12px;padding:8px 12px;font-size:var(--kxpert-typography-body2-fontSize, 14px);font-weight:var(--kxpert-typography-body2-fontWeight, normal);color:var(--kxpert-palette-text-secondary, #71717a);background:transparent;border:none;width:100%;transition:background-color .2s ease}.button:hover,.MuiListItem-root:hover{background-color:var(--kxpert-palette-action-hover);border-radius:var(--kxpert-shape-borderRadius, 12px)}.button[href*=course-creator],.button[href*=tutorxpert],.MuiListItem-root{font-size:14px!important;font-weight:400!important;text-transform:none!important;padding:8px 12px!important;margin:0!important}.button[href*=knowledge-base]{font-size:inherit;font-weight:400;padding:inherit;margin:inherit;text-transform:none;border:none;background:transparent;width:100%}.button[href*=knowledge-base]:hover{background-color:#f3f4f6;border-color:#d1d5db}.sidebar-content .MuiListItemIcon-root{min-width:auto!important;margin-right:12px!important}.new-chat-button{margin-top:8px!important;background:var(--button-bg);color:var(--kxpert-palette-primary-main)!important;font-family:var(--kxpert-typography-body1-fontFamily, "Roboto", "Helvetica", "Arial", sans-serif);font-weight:var(--kxpert-typography-button-fontWeight, 500)}.new-chat-button:hover{background:var(--button-bg-hover);color:var(--kxpert-palette-primary-main)!important}.new-chat-button span,.new-chat-button .MuiTypography-root{font-family:var(--kxpert-typography-body1-fontFamily, "Roboto", sans-serif);font-weight:var(--kxpert-typography-button-fontWeight, 500);color:var(--kxpert-palette-primary-main)!important}#new-chat-button .MuiTypography-root{color:var(--kxpert-palette-primary-main)!important}.Plus{height:20px}.chat-history{flex-grow:1;overflow-y:auto;margin-bottom:10px;padding-right:5px;scrollbar-width:thin;scrollbar-color:rgba(125,123,123,.5) transparent}.chat-history span{font-family:var(--kxpert-typography-body1-fontFamily, "Roboto", sans-serif);font-weight:var(--kxpert-typography-body1-fontWeight, 400)}.chat-history ul{list-style:none;padding:0;margin:0}.chat-item{background-color:var(--chat-item-bg);padding:5px;margin-bottom:5px;border-radius:5px;display:flex;justify-content:space-between;align-items:center;position:relative}.chat-item:hover{background-color:var(--chat-item-bg-hover)}.chat-title{cursor:pointer;font-size:var(--kxpert-typography-body1-fontSize, 1rem);color:var(--chat-title-color);overflow:hidden;white-space:nowrap;text-overflow:ellipsis;transition:color .2s ease,transform .2s ease;padding-right:8rem}.chat-title:hover{color:var(--chat-title-hover-color);transform:scale(1.02)}.chat-item .MuiIconButton-root{padding:4px}.rename-input{width:100%;font-size:1rem;color:var(--input-text);background-color:var(--input-bg);padding:5px;border-radius:4px;transition:border-color .3s ease}.rename-input:focus{border-color:#007bff;outline:none}.menu-button svg{width:16px;height:16px}.menu-dropdown{position:absolute;top:100%;right:0;background-color:var(--dropdown-bg);padding:5px 10px;border-radius:5px;box-shadow:0 4px 6px #0003;z-index:10;transition:opacity .2s ease,transform .2s ease;opacity:1;transform:translateY(10px)}.menu-dropdown .delete-button:hover{color:#ca2626;border-radius:5px}.delete-button{background:none;color:var(--delete-btn-text);font-size:1rem;border:none;padding:5px 10px;cursor:pointer;transition:color .2s ease;display:flex;align-items:center;gap:10px}.delete-button:hover{color:#e53e3e}.delete-button svg{width:16px;height:16px;flex-shrink:0}.rename-button{background:none;color:var(--rename-btn-text);font-size:1rem;border:none;padding:5px 10px;cursor:pointer;transition:color .2s ease;display:flex;align-items:center;gap:10px}.rename-button svg{width:16px;height:16px;flex-shrink:0}.chat-history button{display:flex;position:absolute;right:0;background:none;border:none;cursor:pointer;padding-top:10px;border-radius:12px}.sidebar-footer{margin-top:auto;padding-top:5px;border-top:1px solid var(--sidebar-border);flex-shrink:0;flex-direction:column;align-items:center}.sidebar-footer .button{margin-bottom:12px}.sidebar-footer .button:last-child{margin-bottom:0}.sidebar-footer li:hover{background-color:var(--sidebar-footer-hover-bg)}.logout-button{background-color:var(--logout-bg);color:var(--logout-text);border:none;padding:10px;width:100%;border-radius:5px;font-size:14px;display:flex;align-items:center;gap:10px;cursor:pointer;justify-content:center;transition:background-color .2s ease}.logout-button:hover{background-color:#e53e3e}.logout-icon{width:16px;height:16px}.logout-button span{color:#fff;font-family:Roboto,sans-serif;font-weight:400}.manage-kb-button{width:100%;display:flex;align-items:center;padding:10px;background-color:#4caf50;border-radius:.5rem;color:#fff;font-size:.875rem;cursor:pointer;transition:ease .25s all;margin-bottom:10px}.manage-kb-button:hover,.account-button:hover,.logout-button:hover{background-color:var(--sidebar-footer-hover-bg)}.manage-kb-button svg{margin-right:10px}.panel-toggle-button{display:flex;align-items:center;justify-content:center;border-radius:50%!important;cursor:pointer;transition:all .2s ease!important}.panel-toggle-button svg{transition:color .2s ease!important}.light-mode{--panel-bg-default: var(--panel-button-bg-default-light);--panel-bg-hover: var(--panel-button-bg-hover-light);--panel-bg-active: var(--panel-button-bg-active-light);--panel-icon-default: var(--panel-button-icon-default-light);--panel-icon-hover: var(--panel-button-icon-hover-light);--panel-icon-active: var(--panel-button-icon-active-light)}.dark-mode{--panel-bg-default: var(--panel-button-bg-default-dark);--panel-bg-hover: var(--panel-button-bg-hover-dark);--panel-bg-active: var(--panel-button-bg-active-dark);--panel-icon-default: var(--panel-button-icon-default-dark);--panel-icon-hover: var(--panel-button-icon-hover-dark);--panel-icon-active: var(--panel-button-icon-active-dark)}.panel-toggle-button:hover{background-color:var(--panel-bg-hover)!important}.panel-toggle-button:hover svg{color:var(--panel-icon-hover)!important}.panel-toggle-button:active{background-color:var(--panel-bg-active)!important}.panel-toggle-button:active svg{color:var(--panel-icon-active)!important}.light-mode{--sidebar-bg: var(--kxpert-palette-background-paper);--sidebar-text: var(--kxpert-palette-text-primary);--sidebar-border: var(--kxpert-palette-divider, #e5e7eb);--button-bg: var(--kxpert-palette-background-default);--button-text: var(--kxpert-palette-text-primary);--button-bg-hover: var(--kxpert-palette-action-hover, #e9ecef);--chat-title-color: var(--kxpert-palette-text-primary);--chat-title-hover-color: var(--kxpert-palette-text-primary);--chat-item-bg: var(--kxpert-palette-background-default);--chat-item-bg-hover: var(--kxpert-palette-action-hover, #f5f5f5);--chat-item-bg-active: var(--kxpert-palette-action-selected, #e5e7eb);--chat-item-border-active: var(--kxpert-palette-divider, #d1d5db);--input-bg: var(--kxpert-palette-background-default);--input-text: var(--kxpert-palette-text-primary);--dropdown-bg: var(--kxpert-palette-background-paper);--delete-btn-text: var(--kxpert-palette-error-main);--rename-btn-text: var(--kxpert-palette-text-primary);--logout-bg: var(--kxpert-palette-success-main, #4caf50);--logout-text: var(--kxpert-palette-success-contrastText, white);--sidebar-footer-hover-bg: var(--kxpert-palette-action-hover, #e9ecef);--scrollbar-color: rgba(0, 0, 0, .2);--panel-button-bg-default-light: rgba(240, 244, 245, 1);--panel-button-bg-hover-light: rgba(21, 150, 178, .5);--panel-button-bg-active-light: #4DD0E1;--panel-button-icon-default-light: rgba(0, 0, 0, .87);--panel-button-icon-hover-light: #0099B4;--panel-button-icon-active-light: #0099B4}.dark-mode{--sidebar-bg: var(--kxpert-palette-background-paper);--sidebar-text: var(--kxpert-palette-text-primary);--sidebar-border: var(--kxpert-palette-divider, #333);--button-bg: var(--kxpert-palette-background-paper);--button-text: var(--kxpert-palette-text-primary);--button-bg-hover: var(--kxpert-palette-action-hover, #383838);--chat-title-color: var(--kxpert-palette-text-primary);--chat-title-hover-color: var(--kxpert-palette-text-primary);--chat-item-bg: var(--kxpert-palette-background-paper);--chat-item-bg-hover: var(--kxpert-palette-action-hover, #383838);--chat-item-bg-active: var(--kxpert-palette-action-selected, #383838);--chat-item-border-active: var(--kxpert-palette-divider, #4a4a4a);--input-bg: var(--kxpert-palette-background-paper);--input-text: var(--kxpert-palette-text-primary);--dropdown-bg: var(--kxpert-palette-background-paper);--delete-btn-text: var(--kxpert-palette-error-main);--rename-btn-text: var(--kxpert-palette-text-primary);--logout-bg: var(--kxpert-palette-background-paper);--logout-text: var(--kxpert-palette-text-primary);--sidebar-footer-hover-bg: var(--kxpert-palette-action-hover, #383838);--scrollbar-color: rgba(255, 255, 255, .2);--panel-button-bg-default-dark: rgba(33, 42, 44, 1);--panel-button-bg-hover-dark: rgba(21, 150, 178, .5);--panel-button-bg-active-dark: #0099B4;--panel-button-icon-default-dark: rgba(255, 255, 255, .87);--panel-button-icon-hover-dark: #4DD0E1;--panel-button-icon-active-dark: #4DD0E1}.chat-item .MuiListItemSecondaryAction-root{position:relative;top:16px;right:3px}.RestPassword-container{display:flex;min-height:100vh;background-color:#2c3338;font-size:calc(10px + 2vmin);color:#e6d9d9}.ResetPassword-form{background-color:#303338;padding:20px;border-radius:10px;box-shadow:0 0 20px #0003;width:300px;margin:auto;min-height:100px}.ResetPassword-form h2{font-size:25px}.ResetPassword-form input{width:100%;padding:8px;margin-bottom:15px;box-sizing:border-box;border:1px solid #ccc;border-radius:3px;text-align:left}.ResetPassword-form input:focus{border-color:#aaa;box-shadow:0 0 5px #0000001a}.resetform-button-container{display:flex;justify-content:center;gap:50px;margin-top:10px}.resetform-button-container button{background-color:#2d79e4;color:#fff;flex:1;padding:7px 10px;border:none;border-radius:5px;cursor:pointer}.resetform-button-container button:hover{opacity:.5}.link-container{display:flex;align-items:center;gap:.5rem;font-size:.9rem;justify-content:center;padding-top:30px}.link-container span{font-size:inherit;text-decoration:none;font-weight:500;color:#fff;cursor:pointer}.link-container span:hover{text-decoration:underline}.otp-input-container{display:flex;justify-content:center;gap:8px}.otp-input{width:40px;height:40px;text-align:center;font-size:1.2rem;box-sizing:border-box;border:1px solid #ccc;border-radius:3px}.otp-main-container{display:flex;min-height:100vh;width:100%;position:fixed;top:0;left:0;background-color:#2c3338;font-size:calc(6px + 2vmin);color:#e6d9d9}.otp-form{background-color:#303338;padding:50px;border-radius:10px;box-shadow:0 0 20px #0003;width:400px;margin:auto;min-height:200px;text-align:center}.button-container-otp{display:flex;justify-content:center;gap:15px;margin-top:40px}.button-container-otp button{background-color:#2d79e4;color:#fff;flex:1;padding:10px 20px;border:none;border-radius:5px;cursor:pointer}.button-container-otp button:hover{opacity:.5}.kb-container{max-width:1200px;margin:0 auto;padding:20px}.error-alert{background-color:#fee2e2;color:#dc2626;padding:12px;border-radius:4px;margin-bottom:20px}.create-kb-card{background:#fff;border:1px solid #e5e7eb;border-radius:8px;padding:20px;margin-bottom:20px}.kb-input{width:100%;padding:8px 12px;border:1px solid #e5e7eb;border-radius:4px;margin-bottom:12px}.kb-button{display:flex;align-items:center;gap:8px;padding:8px 16px;background:#3b82f6;color:#fff;border:none;border-radius:4px;cursor:pointer}.kb-button:disabled{opacity:.5;cursor:not-allowed}.kb-grid{display:grid;grid-template-columns:1fr;gap:20px}@media (min-width: 768px){.kb-grid{grid-template-columns:1fr 1fr}}.kb-list-card,.files-card{background:#fff;border:1px solid #e5e7eb;border-radius:8px;padding:20px}.kb-item,.file-item{display:flex;justify-content:space-between;align-items:center;padding:12px;border:1px solid #e5e7eb;border-radius:4px;margin-bottom:8px}.kb-info{cursor:pointer}.kb-info h3{margin:0;font-size:16px}.kb-info p{margin:4px 0 0;font-size:14px;color:#6b7280}.delete-button{padding:6px;background:#fee2e2;color:#dc2626;border:none;border-radius:4px;cursor:pointer}.file-upload{margin-bottom:20px}.file-input{display:none}.upload-button{display:inline-flex;align-items:center;gap:8px;padding:8px 16px;background:#3b82f6;color:#fff;border-radius:4px;cursor:pointer}.file-info{display:flex;align-items:center;gap:8px}.loading,.empty-state{text-align:center;color:#6b7280;padding:20px}.knowledge-selector-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background-color:#00000080;display:flex;justify-content:center;align-items:center;z-index:1000}.knowledge-selector-content{background-color:#2c2c2c;padding:20px;border-radius:8px;width:80%;height:80%;max-width:500px;max-height:600px;color:#fff;overflow-y:auto}.knowledge-selector-content h2{margin-top:0;color:#fff}.knowledge-selector-content button{background-color:#4caf50;border:none;color:#fff;padding:10px 20px;text-align:center;text-decoration:none;display:inline-block;font-size:16px;margin:4px 2px;cursor:pointer;border-radius:4px}.error-message{color:#ff6b6b;margin-bottom:10px}.knowledge-base-list{list-style-type:none;padding:0;margin:0;max-height:450px;overflow-y:auto}.knowledge-base-item{cursor:pointer;padding:15px;border:1px solid #444;margin-bottom:10px;border-radius:4px;transition:background-color .3s ease;background-color:#383838}.knowledge-base-item:hover{background-color:#4a4a4a}.knowledge-base-item h3{margin:0 0 5px;color:#fff}.knowledge-base-item p{margin:0;font-size:.9em;color:#bbb}.course-selection-container{max-width:1200px;margin:2rem auto;padding:0 1rem;background-color:#f5f5f5}.back-button{background:none;border:none;color:var(--text-primary);font-size:1rem;padding:.5rem 1rem;cursor:pointer;display:inline-flex;align-items:center;margin-bottom:1rem}.course-selection-container h1{text-align:center;margin-bottom:2rem;color:var(--text-primary)}.courses-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:2rem}.course-card{background:var(--background-secondary);border-radius:12px;padding:1.5rem;box-shadow:0 4px 6px #0000001a;transition:transform .2s ease,box-shadow .2s ease;cursor:pointer}.course-card:hover{transform:translateY(-4px);box-shadow:0 6px 12px 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