:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#1a1a1a;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}html,body,#root{min-height:100vh;margin:0;padding:0}.navbar{background-color:#2e073f;padding:12px 24px;display:flex;align-items:center;width:100%;border-bottom:1px solid #7A1CAC}.navbar-links{display:flex;align-items:center;gap:24px}.navbar-link{text-decoration:none;color:#ebd3f8;font-size:14px;font-weight:400;padding:8px 0;transition:color .2s ease}.navbar-link:hover{color:#ad49e1}.main-layout{display:flex;flex-direction:column;height:100vh;width:100%;overflow:hidden}.main{display:flex;flex-direction:column;flex:1;min-height:0;overflow:hidden}.main.fullscreen{margin:0;border:none;background-color:transparent}.HomePage{display:flex;flex-direction:column;justify-content:center;align-items:center;min-height:calc(100vh - 200px);padding:2rem;text-align:center;background-color:#1a1a1a}.home-title{font-size:4.5rem;font-weight:700;margin:0;color:#ad49e1;letter-spacing:-.02em}.home-slogan{font-size:1.5rem;font-weight:300;margin:1rem 0 0;color:#ebd3f8;letter-spacing:.01em}@media(max-width:768px){.home-title{font-size:3rem}.home-slogan{font-size:1.2rem}}.ChatbotPage{display:flex;height:100%;width:100%;background-color:#1a1a1a;color:#ebd3f8;overflow:hidden}.Sidebar{width:260px;background-color:#2e073f;display:flex;flex-direction:column;border-right:1px solid #7A1CAC}.sidebar-top{padding:8px;border-bottom:1px solid #7A1CAC}.new-chat-btn{width:100%;display:flex;align-items:center;gap:8px;padding:12px;background-color:transparent;border:1px solid #7A1CAC;border-radius:6px;color:#ebd3f8;cursor:pointer;font-size:14px;transition:background-color .2s;margin-bottom:8px}.new-chat-btn:hover{background-color:#7a1cac}.sidebar-btn{width:100%;display:flex;align-items:center;gap:8px;padding:10px 12px;background-color:transparent;border:none;color:#ebd3f8;cursor:pointer;font-size:14px;border-radius:4px;transition:background-color .2s;text-align:left;margin-bottom:4px}.sidebar-btn:hover{background-color:#7a1cac}.sidebar-chats{flex:1;overflow-y:auto;padding:8px}.chats-header{padding:8px 12px;font-size:12px;font-weight:600;color:#ad49e1;text-transform:uppercase;letter-spacing:.5px}.chats-list{display:flex;flex-direction:column;gap:2px}.chat-item{display:flex;align-items:center;gap:8px;padding:10px 12px;background-color:transparent;border:none;color:#ebd3f8;cursor:pointer;font-size:14px;border-radius:4px;transition:background-color .2s;text-align:left;width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chat-item:hover{background-color:#7a1cac}.chat-item svg{flex-shrink:0}.chat-item span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.sidebar-bottom{padding:12px;border-top:1px solid #7A1CAC;display:flex;align-items:center;justify-content:space-between;gap:8px}.user-profile{display:flex;align-items:center;gap:8px;flex:1;min-width:0}.user-avatar{width:32px;height:32px;border-radius:50%;background:linear-gradient(135deg,#7a1cac,#ad49e1);display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:600;color:#fff;flex-shrink:0}.user-info{flex:1;min-width:0}.user-name{font-size:13px;font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.user-status{font-size:11px;color:#ad49e1}.upgrade-btn{padding:6px 12px;background-color:#ad49e1;border:none;border-radius:4px;color:#fff;font-size:12px;font-weight:500;cursor:pointer;transition:background-color .2s;flex-shrink:0}.upgrade-btn:hover{background-color:#7a1cac}.ChatContainer{flex:1;display:flex;flex-direction:column;background-color:#1a1a1a;overflow:hidden}.chat-top-bar{display:flex;align-items:center;padding:12px 16px;border-bottom:1px solid #7A1CAC;background-color:#2e073f}.top-bar-left{flex:1}.model-selector{font-size:14px;font-weight:500;color:#ebd3f8;cursor:pointer;display:flex;align-items:center;gap:4px}.model-selector:after{content:"▼";font-size:10px;margin-left:4px;opacity:.7}.chat-content{flex:1;overflow-y:auto;display:flex;flex-direction:column;padding:20px}.welcome-message{display:flex;align-items:center;justify-content:center;height:100%;text-align:center}.welcome-message h1{font-size:32px;font-weight:600;color:#ad49e1;margin:0}.chat-input-wrapper{padding:20px;background-color:#1a1a1a;border-top:1px solid #7A1CAC}.sidebar-chats::-webkit-scrollbar,.chat-content::-webkit-scrollbar{width:8px}.sidebar-chats::-webkit-scrollbar-track,.chat-content::-webkit-scrollbar-track{background:transparent}.sidebar-chats::-webkit-scrollbar-thumb,.chat-content::-webkit-scrollbar-thumb{background-color:#7a1cac;border-radius:4px}.sidebar-chats::-webkit-scrollbar-thumb:hover,.chat-content::-webkit-scrollbar-thumb:hover{background-color:#ad49e1}.MessagesContainer{display:flex;flex-direction:column;gap:0;max-width:768px;width:100%;margin:0 auto;padding-bottom:20px}.message-group{display:flex;gap:16px;padding:20px 0;border-bottom:1px solid #7A1CAC}.message-group:last-child{border-bottom:none}.message-avatar{width:32px;height:32px;border-radius:4px;flex-shrink:0;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:600}.user-avatar{background:linear-gradient(135deg,#7a1cac,#ad49e1);color:#fff}.assistant-avatar{background:linear-gradient(135deg,#ad49e1,#7a1cac);color:#fff}.message-content{flex:1;min-width:0}.UserMessage,.AssistantMessage{background:transparent;color:#ebd3f8;padding:0;margin:0;white-space:pre-wrap;word-break:break-word;font-size:16px;line-height:1.75}.ChatInputContainer{width:100%;max-width:768px;margin:0 auto;position:relative}.chat-input-wrapper-inner{position:relative;display:flex;align-items:flex-end;background-color:#2e073f;border-radius:24px;border:1px solid #7A1CAC;box-shadow:0 0 15px #7a1cac4d;transition:border-color .2s,box-shadow .2s}.chat-input-wrapper-inner:focus-within{border-color:#ad49e1;box-shadow:0 0 20px #ad49e166}.chat-textarea{width:100%;min-height:52px;max-height:200px;color:#ebd3f8;background-color:transparent;resize:none;border:none;padding:14px 52px 14px 16px;font-size:16px;line-height:1.5;outline:none;font-family:inherit}.chat-textarea::placeholder{color:#ad49e1}.chat-textarea-enabled{color:#ebd3f8}.chat-textarea-disabled{color:#7a1cac;cursor:not-allowed}.input-actions{position:absolute;right:8px;bottom:8px;display:flex;align-items:center;gap:4px}.input-icon-btn{width:32px;height:32px;display:flex;align-items:center;justify-content:center;background-color:transparent;border:none;border-radius:6px;color:#ad49e1;cursor:pointer;transition:background-color .2s,color .2s}.input-icon-btn:hover{background-color:#7a1cac;color:#ebd3f8}.input-icon-btn:disabled{opacity:.5;cursor:not-allowed}.send-btn{width:32px;height:32px;display:flex;align-items:center;justify-content:center;background-color:transparent;border:none;border-radius:6px;color:#ad49e1;cursor:pointer;transition:background-color .2s;padding:0}.send-btn:hover:not(:disabled){background-color:#7a1cac;color:#ebd3f8}.send-btn:disabled{opacity:.5;cursor:not-allowed}.send-btn svg{width:20px;height:20px}.spin{animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.chat-hint{display:none}.TeachersPage{display:flex;height:100%;width:100%;overflow:hidden;position:relative;margin:0}.TeachersPage-sidebar{width:250px;min-width:250px;height:100%;background-color:#2e073f;border-right:2px solid #7A1CAC;padding:20px;overflow-y:auto;display:flex;flex-direction:column;gap:10px}.TeachersPage-sidebar-title{margin:0 0 15px;font-size:1.5rem;font-weight:700;color:#ebd3f8}.TeachersPage-sidebar-item{width:100%;padding:12px 16px;background-color:#1a1a1a;border:1px solid #7A1CAC;border-radius:6px;cursor:pointer;text-align:left;font-size:1rem;color:#ebd3f8;transition:all .2s ease}.TeachersPage-sidebar-item:hover{background-color:#7a1cac;border-color:#ad49e1}.TeachersPage-sidebar-item.active{background-color:#ad49e1;color:#fff;border-color:#ad49e1;font-weight:700}.TeachersPage-main{flex:1;display:flex;flex-direction:column;height:100%;max-height:100%;overflow:hidden;padding:20px;min-height:0;margin:0;background-color:#1a1a1a}.TeachersPage-section-title{margin:0 0 10px;font-size:1.2rem;font-weight:700;color:#ebd3f8}.TeachersPage-progress-section{max-height:20vh;min-height:120px;margin-bottom:15px;display:flex;flex-direction:column}.TeachersPage-progress-container{display:flex;gap:12px;overflow-x:auto;overflow-y:hidden;padding-bottom:8px;flex:1}.TeachersPage-progress-container::-webkit-scrollbar{height:8px}.TeachersPage-progress-container::-webkit-scrollbar-track{background:#2e073f;border-radius:4px}.TeachersPage-progress-container::-webkit-scrollbar-thumb{background:#7a1cac;border-radius:4px}.TeachersPage-progress-container::-webkit-scrollbar-thumb:hover{background:#ad49e1}.TeachersPage-progress-card{min-width:calc(33.333% - 9px);max-width:calc(33.333% - 9px);background-color:#2e073f;border:1px solid #7A1CAC;border-radius:6px;padding:12px;display:flex;flex-direction:column;gap:8px;box-shadow:0 1px 3px #7a1cac4d}.TeachersPage-progress-card-title{margin:0;font-size:.95rem;font-weight:700;color:#ebd3f8;line-height:1.2}.TeachersPage-progress-card-percentage{font-size:1.8rem;font-weight:700;color:#ad49e1;line-height:1.2}.TeachersPage-progress-bar{width:100%;height:12px;background-color:#1a1a1a;border-radius:6px;overflow:hidden}.TeachersPage-progress-bar-fill{height:100%;background:linear-gradient(90deg,#7a1cac,#ad49e1);border-radius:6px;transition:width .3s ease}.TeachersPage-progress-card-info{font-size:.75rem;color:#ebd3f8;margin-top:auto;line-height:1.2}.TeachersPage-students-section{flex:1;display:flex;flex-direction:column;min-height:0;max-height:100%;overflow:hidden;margin:0;padding:0}.TeachersPage-students-list{flex:1;overflow-y:auto;overflow-x:hidden;display:flex;flex-direction:column;gap:4px;padding-right:5px;padding-bottom:0;min-height:0;margin:0}.TeachersPage-students-list::-webkit-scrollbar{width:8px}.TeachersPage-students-list::-webkit-scrollbar-track{background:#2e073f;border-radius:4px}.TeachersPage-students-list::-webkit-scrollbar-thumb{background:#7a1cac;border-radius:4px}.TeachersPage-students-list::-webkit-scrollbar-thumb:hover{background:#ad49e1}.TeachersPage-student-card{display:flex;gap:6px;padding:5px 8px;background-color:#2e073f;border:1px solid #7A1CAC;border-radius:4px;box-shadow:0 1px 2px #7a1cac33;transition:all .2s ease;flex-shrink:0}.TeachersPage-student-card:hover{box-shadow:0 2px 4px #ad49e14d;transform:translateY(-1px);border-color:#ad49e1}.TeachersPage-student-card.status-red{border-left:3px solid #e74c3c}.TeachersPage-student-card.status-yellow{border-left:3px solid #f39c12}.TeachersPage-student-card.status-green{border-left:3px solid #27ae60}.TeachersPage-student-traffic-light{display:flex;align-items:center;justify-content:center;min-width:20px;flex-shrink:0}.traffic-light{width:14px;height:14px;border-radius:50%;border:1px solid #7A1CAC}.traffic-light-red{background-color:#e74c3c;box-shadow:0 0 10px #e74c3c80}.traffic-light-yellow{background-color:#f39c12;box-shadow:0 0 10px #f39c1280}.traffic-light-green{background-color:#27ae60;box-shadow:0 0 10px #27ae6080}.TeachersPage-student-info{flex:1;display:flex;flex-direction:column;gap:2px;min-width:0}.TeachersPage-student-name{font-size:.85rem;font-weight:700;color:#ebd3f8;line-height:1.1}.TeachersPage-student-classes{font-size:.7rem;color:#ad49e1;line-height:1.1}.TeachersPage-student-progress{font-size:.75rem;color:#ad49e1;font-weight:500;line-height:1.1}.TeachersPage-student-status{font-size:.65rem;font-weight:500;padding:1px 4px;border-radius:2px;display:inline-block;width:fit-content;line-height:1.1}.TeachersPage-student-status.status-red{background-color:#e74c3c33;color:#e74c3c}.TeachersPage-student-status.status-yellow{background-color:#f39c1233;color:#f39c12}.TeachersPage-student-status.status-green{background-color:#27ae6033;color:#27ae60}.TeachersPage-no-students{text-align:center;padding:40px;color:#ad49e1;font-size:1.1rem}@media(max-width:768px){.TeachersPage{flex-direction:column;height:auto}.TeachersPage-sidebar{width:100%;height:auto;max-height:200px;border-right:none;border-bottom:2px solid #7A1CAC;flex-direction:row;overflow-x:auto;overflow-y:hidden}.TeachersPage-sidebar-title{display:none}.TeachersPage-sidebar-item{min-width:150px}.TeachersPage-progress-card{min-width:calc(50% - 10px);max-width:calc(50% - 10px)}}@media(max-width:480px){.TeachersPage-progress-card{min-width:100%;max-width:100%}}