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#e5e7eb;color:var(--text-primary);border-radius:.75rem;padding:.75rem 3rem .75rem 1rem;font-size:1rem;outline:none;transition:border-color .2s ease}._chatInput_1hihx_120:focus{border-color:var(--accent-primary)}._sendButton_1hihx_146{position:absolute;right:1rem;top:50%;transform:translateY(-50%);background:none;border:none;color:var(--accent-primary);font-size:1.25rem;cursor:pointer;transition:color .2s;padding:var(--spacing-sm);border-radius:.5rem}._sendButton_1hihx_146:hover{color:var(--accent-secondary);background-color:var(--bg-hover)}._rightSide_1hihx_167{width:66.667%;display:flex;flex-direction:column;min-width:0}._workSpaceCard_1hihx_174{height:100%;background-color:var(--bg-card);border-radius:1rem;padding:var(--spacing-lg);box-shadow:0 4px 20px var(--shadow-color);border:1px solid 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i{font-size:1rem}._hintButton_1hihx_296{position:absolute;bottom:var(--spacing-md);right:var(--spacing-md);background:none;color:#f59e0b;width:auto;height:auto;border-radius:0;border:none;cursor:pointer;font-weight:600;transition:all .3s ease;display:flex;align-items:center;justify-content:center;font-size:2rem;box-shadow:none;z-index:10;filter:drop-shadow(0 0 8px rgba(245,158,11,.6))}._hintButton_1hihx_296:hover:not(._disabled_1hihx_318){background:none;transform:translateY(-2px) scale(1.1);filter:drop-shadow(0 0 12px rgba(245,158,11,.8));color:#fbbf24}._hintButton_1hihx_296._disabled_1hihx_318{background:none;cursor:not-allowed;transform:none;filter:drop-shadow(0 0 4px rgba(156,163,175,.3));color:#9ca3af}._hintButton_1hihx_296 i{filter:none}._noMoreHintsMessage_1hihx_337{background:#f3f4f6;color:var(--text-secondary);padding:var(--spacing-sm) 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i{color:#f59e0b}._hintModalContent_1hihx_399{line-height:1.6;color:var(--text-primary)}._hintModalCloseBtn_1hihx_404{position:absolute;top:var(--spacing-md);right:var(--spacing-md);background:none;border:none;font-size:1.5rem;color:var(--text-secondary);cursor:pointer;padding:var(--spacing-sm);border-radius:.5rem;transition:all .2s ease;display:flex;align-items:center;justify-content:center;width:2.5rem;height:2.5rem}._hintModalCloseBtn_1hihx_404:hover{background:var(--bg-hover);color:var(--text-primary)}._sectionTitle_1hihx_429{font-size:1.25rem;font-weight:600;margin-bottom:var(--spacing-md);color:var(--text-primary)}._bgGray_1hihx_436{background:#f3f4f6;border-radius:.75rem;padding:var(--spacing-md);margin:var(--spacing-md) 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i{color:#10b981}._evaluationModalContent_1hihx_877{flex:1;overflow-y:auto;padding:var(--spacing-xl);padding-bottom:var(--spacing-lg);line-height:1.6}._evaluationModalFooter_1hihx_885{border-top:1px solid var(--border-color);padding:var(--spacing-lg) var(--spacing-xl);background:var(--bg-card);flex-shrink:0;display:flex;flex-direction:column;gap:var(--spacing-md)}._evaluationModalContent_1hihx_877 h3{font-size:1.2rem;font-weight:600;margin:var(--spacing-lg) 0 var(--spacing-sm) 0;color:var(--text-primary);display:flex;align-items:center;gap:var(--spacing-sm)}._evaluationModalContent_1hihx_877 h3:first-child{margin-top:0}._evaluationModalContent_1hihx_877 h3:first-child:before{content:"✅";font-size:1.1rem}._evaluationModalContent_1hihx_877 h3:last-of-type:before{content:"📝";font-size:1.1rem}._evaluationModalContent_1hihx_877 ul{margin:var(--spacing-sm) 0;padding-left:var(--spacing-lg)}._evaluationModalContent_1hihx_877 li{margin:var(--spacing-xs) 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li{padding:var(--spacing-sm)}}._submitWorkModalOverlay_1hihx_1111{position:fixed;top:0;left:0;width:100%;height:100%;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}._submitWorkModal_1hihx_1111{background:var(--bg-card);border-radius:1rem;width:95%;max-width:480px;max-height:90vh;box-shadow:0 4px 20px var(--shadow-color);border:1px solid var(--border-color);display:flex;flex-direction:column;overflow:hidden;padding:0}._submitWorkModalTitle_1hihx_1139{display:flex;align-items:center;gap:.7rem;margin:0;padding:2rem 2rem 1.2rem;font-size:1.45rem;font-weight:700;color:var(--text-primary);border-bottom:1px solid var(--border-color);flex-shrink:0}._submitWorkModalTitle_1hihx_1139 i{color:#10b981;font-size:1.5em}._submitWorkModalContent_1hihx_1156{flex:1;overflow-y:auto;padding:1.5rem 2rem 1.2rem;line-height:1.6;background:#f8fafc}._submitWorkModalContent_1hihx_1156 ul{margin:0;padding:0}._submitWorkModalContent_1hihx_1156 li{background:#fff;border:1px solid #e5e7eb;border-radius:8px;margin-bottom:10px;display:flex;align-items:center;gap:12px;padding:.7rem .9rem;transition:box-shadow .2s,border .2s;cursor:pointer;box-shadow:none}._submitWorkModalContent_1hihx_1156 li:hover{box-shadow:0 2px 8px #10b98122;border:1.5px solid #10b981}._submitWorkModalContent_1hihx_1156 input[type=checkbox]{width:20px;height:20px;accent-color:#10b981;margin-right:4px}._submitWorkModalContent_1hihx_1156 label{flex:1;cursor:pointer;font-weight:600;font-size:1.05em;color:#0f172a;margin:0}._submitWorkModalContent_1hihx_1156 label div{font-weight:400;font-size:.97em;color:#64748b;margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:220px}._submitWorkModalFooter_1hihx_1210{border-top:1px solid var(--border-color);padding:1.2rem 2rem;background:var(--bg-card);flex-shrink:0;display:flex;flex-direction:row;justify-content:flex-end;gap:12px}._submitWorkModalCloseBtn_1hihx_1220{background:#6366f1;color:#fff;font-weight:600;padding:.6rem 1.2rem;border-radius:8px;font-size:1em;border:none;margin-right:4px;cursor:pointer;transition:background .2s}._submitWorkModalCloseBtn_1hihx_1220:hover{background:#4f46e5}._submitWorkBtn_1hihx_225{background:#10b981;color:#fff;font-weight:700;padding:.6rem 1.2rem;border-radius:8px;font-size:1em;border:none;margin-left:0;cursor:pointer;transition:background .2s}._submitWorkBtn_1hihx_225:hover:not([disabled]){background:#059669}@media (max-width: 768px){._submitWorkModal_1hihx_1111{padding:var(--spacing-lg);width:95%}._submitWorkModalTitle_1hihx_1139{font-size:1.25rem}._submitWorkModalContent_1hihx_1156 h3{font-size:1.1rem}._submitWorkModalContent_1hihx_1156 li{padding:var(--spacing-sm)}}._kcButton_1hihx_988{background:var(--accent-primary);color:#fff;padding:var(--spacing-xs) var(--spacing-sm);border-radius:.5rem;border:none;cursor:pointer;font-size:.85rem;font-weight:500;transition:all .2s ease;margin:var(--spacing-xs);display:inline-block}._kcButton_1hihx_988:hover{background:var(--accent-secondary);transform:translateY(-1px)}._conceptsList_1hihx_1008{display:flex;flex-direction:column;gap:1rem;margin:0;padding:0}._conceptItem_1hihx_1016{display:flex;align-items:center;padding:1.5rem 1.25rem;border-radius:.75rem;background:#f8fafc;transition:background .2s;cursor:pointer}._conceptItem_1hihx_1016:hover{background:#f3f4f6}._kcDescModalOverlay_1hihx_1031{position:fixed;top:0;left:0;width:100%;height:100%;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}._kcDescModal_1hihx_1031{background:var(--bg-card);border-radius:1rem;padding:var(--spacing-xl);width:90%;max-width:500px;max-height:80vh;overflow-y:auto;box-shadow:0 4px 20px var(--shadow-color);border:1px solid var(--border-color)}._kcDescTitle_1hihx_1057{font-size:1.25rem;font-weight:600;margin-bottom:var(--spacing-lg);color:var(--text-primary)}._kcDescContent_1hihx_1064{line-height:1.6;color:var(--text-primary);margin-bottom:var(--spacing-lg)}._kcDescCloseBtn_1hihx_1070{background:var(--accent-primary);color:#fff;padding:var(--spacing-sm) var(--spacing-lg);border-radius:.5rem;border:none;cursor:pointer;font-weight:600;transition:all .2s ease;width:100%}._kcDescCloseBtn_1hihx_1070:hover{background:var(--accent-secondary);transform:translateY(-1px)}._noWorkModalOverlay_1hihx_1377{position:fixed;top:0;left:0;width:100%;height:100%;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}._noWorkModal_1hihx_1377{background:var(--bg-card);border-radius:1rem;width:95%;max-width:480px;max-height:90vh;box-shadow:0 4px 20px var(--shadow-color);border:1px solid var(--border-color);display:flex;flex-direction:column;overflow:hidden;padding:0;animation:_popIn_1hihx_1 .25s cubic-bezier(.68,-.55,.27,1.55)}@keyframes _popIn_1hihx_1{0%{transform:scale(.8);opacity:0}to{transform:scale(1);opacity:1}}._noWorkModalTitle_1hihx_1411{display:flex;align-items:center;gap:.7rem;margin:0;padding:2rem 2rem 1.2rem;font-size:1.45rem;font-weight:700;color:#dc2626;border-bottom:1px solid var(--border-color);flex-shrink:0;background:#fef2f2}._noWorkModalTitle_1hihx_1411 i{color:#dc2626;font-size:1.5em;animation:_pulse_1hihx_1 2s infinite}@keyframes _pulse_1hihx_1{0%,to{opacity:1}50%{opacity:.7}}._noWorkModalContent_1hihx_1436{flex:1;overflow-y:auto;padding:1.5rem 2rem 1.2rem;line-height:1.6;background:#fef2f2}._noWorkModalText_1hihx_1444{color:#991b1b;font-size:1.08rem;font-family:Inter,sans-serif;margin-bottom:1rem;line-height:1.7}._noWorkModalFooter_1hihx_1452{border-top:1px solid var(--border-color);padding:1.2rem 2rem;background:var(--bg-card);flex-shrink:0;display:flex;justify-content:center}._noWorkModalCloseBtn_1hihx_1461{background:#dc2626;color:#fff;font-weight:600;padding:.6rem 1.5rem;border-radius:8px;font-size:1em;border:none;cursor:pointer;transition:background .2s}._noWorkModalCloseBtn_1hihx_1461:hover{background:#b91c1c;transform:translateY(-1px)}@media (max-width: 600px){._actionButtonsContainer_1hihx_216{flex-wrap:nowrap;flex-direction:row;justify-content:flex-start;gap:.4rem;padding:.2rem .1rem;overflow-x:auto;-webkit-overflow-scrolling:touch}._addChunkBtn_1hihx_225,._submitWorkBtn_1hihx_225,._endSessionBtn_1hihx_262{font-size:.82rem;min-width:150px;padding:.5rem .6rem;white-space:nowrap;flex:0 0 auto;max-width:100%}._addChunkBtn_1hihx_225 i,._submitWorkBtn_1hihx_225 i,._endSessionBtn_1hihx_262 i{font-size:.95rem}}._scrollContainer_1hihx_1501{flex:1;min-height:0;display:flex;flex-direction:column}@media (max-width: 768px){._scrollContainer_1hihx_1501{height:100vh;overflow-y:auto;-webkit-overflow-scrolling:touch;padding-bottom:2rem;display:flex;flex-direction:column}}._submitWorkBtn_1hihx_225[disabled]{opacity:.6;cursor:not-allowed}._collapsedStatementSection_1hihx_1525{max-height:70px!important;min-height:50px!important;overflow:hidden;padding-bottom:.5rem;transition:max-height .3s,min-height .3s,padding .3s;display:flex;flex-direction:column;justify-content:flex-end;flex-grow:0;flex-shrink:1}._collapsedChatbotSection_1hihx_1538{max-height:48px!important;min-height:40px!important;overflow:hidden;transition:max-height .3s,min-height .3s;display:flex;flex-direction:column;justify-content:flex-end;flex-grow:0;flex-shrink:1}._collapsedLeftSide_1hihx_1550{width:0!important;min-width:0!important;max-width:0!important;padding:0!important;margin:0!important;overflow:hidden!important;transition:width .4s,min-width .4s,max-width .4s,padding .3s,margin .3s;flex:0 0 0!important;opacity:.1;pointer-events:none}._statementIndicesOnly_1hihx_1564{display:flex;flex-direction:row;gap:10px;align-items:center;justify-content:flex-start;padding:.5rem 0 0;min-height:40px;height:40px;overflow-x:auto}@media (max-width: 768px){._collapsedLeftSide_1hihx_1550{width:100%!important;min-width:100%!important;max-width:100%!important;display:none!important}._collapsedStatementSection_1hihx_1525{max-height:60px!important;min-height:40px!important}._collapsedChatbotSection_1hihx_1538{max-height:40px!important;min-height:32px!important}}@media (max-width: 768px){._mainContainer_1hihx_22{flex-direction:column;height:100vh;min-height:0}._leftSide_1hihx_32{min-height:0;flex:0 0 auto}._rightSide_1hihx_167{min-height:0;flex:1 1 auto;display:flex;flex-direction:column}._workSpaceCard_1hihx_174{flex:1 1 auto;min-height:0;height:100%;transition:height .3s,min-height .3s;display:flex;flex-direction:column}}._expandedWorkSpaceCard_1hihx_1621{position:relative;z-index:20;width:100vw!important;left:-33vw;min-width:0;max-width:100vw;transition:width .4s,left .4s;box-shadow:0 4px 32px #0002}@media (max-width: 1024px){._expandedWorkSpaceCard_1hihx_1621{left:-40vw}}@media (max-width: 768px){._expandedWorkSpaceCard_1hihx_1621{width:100%!important;left:0;max-width:100vw}}@media (max-width: 768px){._view_1hihx_3{height:100vh;overflow:hidden;display:flex;flex-direction:column}._mainContainer_1hihx_22{flex:1;min-height:0;overflow-y:auto;display:flex;flex-direction:column;padding:var(--spacing-sm);gap:var(--spacing-sm)}._leftSide_1hihx_32{flex:none;display:flex;flex-direction:column;gap:var(--spacing-sm)}._exerciseSection_1hihx_41{flex:none;max-height:40vh}._chatbotSection_1hihx_93{flex:none;max-height:40vh;min-height:48px}._chatArea_1hihx_110{max-height:calc(40vh - 100px);overflow-y:auto}._rightSide_1hihx_167{margin-top:1rem;flex-grow:1;display:flex;flex-direction:column;min-height:200px}._rightSide_1hihx_167 ._workSpaceCard_1hihx_174{flex-grow:1;display:flex;flex-direction:column}._rightSide_1hihx_167 ._chunksScrollArea_1hihx_186{flex-grow:1}._collapsedStatementSection_1hihx_1525{max-height:60px!important;min-height:40px!important;flex:none}._collapsedChatbotSection_1hihx_1538{max-height:48px!important;min-height:32px!important;flex:none}}@media (max-width: 768px){._mainContainer_1hihx_22{flex-direction:column}._leftSide_1hihx_32,._rightSide_1hihx_167{width:100%;flex:none}._exerciseSection_1hihx_41{height:auto;min-height:120px;margin-bottom:1rem}._chatbotSection_1hihx_93{height:450px}._rightSide_1hihx_167{margin-top:1rem;flex-grow:1;display:flex;flex-direction:column}._rightSide_1hihx_167 ._workSpaceCard_1hihx_174{flex-grow:1;display:flex;flex-direction:column}._rightSide_1hihx_167 ._chunksScrollArea_1hihx_186{flex-grow:1}._actionButtonsContainer_1hihx_216{padding-bottom:.5rem}}._view_zfmgo_3{display:flex;flex-direction:column;height:100vh;min-height:0;overflow:hidden;padding:1rem;min-width:0;max-width:100vw}@media (max-width: 768px){._view_zfmgo_3{height:auto;min-height:100vh;overflow:visible;padding:.75rem;-webkit-overflow-scrolling:touch}}._header_zfmgo_25{display:flex;align-items:center;justify-content:space-between;margin-bottom:1.5rem}._title_zfmgo_32{font-size:2rem;font-weight:700}._card_zfmgo_37{background-color:var(--bg-card);border-radius:1rem;padding:1.2rem 1.5rem;box-shadow:0 2px 12px #0001;border:1px solid var(--border-color);margin-bottom:1rem;min-width:0;max-width:100%;overflow:hidden}@media (max-width: 600px){._card_zfmgo_37{padding:.7rem .5rem;margin-bottom:.75rem}}._gridQuete_zfmgo_56{display:flex;flex-direction:column;gap:1rem;min-width:0;max-width:100%;overflow:hidden;flex:1}@media (min-width: 1024px){._gridQuete_zfmgo_56{flex-direction:row;align-items:stretch;gap:2rem;min-width:0;max-width:100%;overflow:hidden;flex:1}}._mathFieldContainer_zfmgo_79{width:100%;height:13rem;background:#f3f4f6;border-radius:.75rem;border:1.5px solid var(--border-color);transition:border .2s;position:relative;overflow:hidden;min-width:0;max-width:100%;flex-shrink:1}._mathFieldContainer_zfmgo_79 math-field{width:100%!important;height:13rem!important;padding:.7rem 1rem!important;border-radius:.75rem!important;border:none!important;background:transparent!important;font-size:1rem!important;font-family:inherit!important;color:var(--text-primary)!important;outline:none!important;resize:none!important;overflow-x:auto!important;overflow-y:auto!important;white-space:pre-wrap!important;word-wrap:break-word!important;overflow-wrap:break-word!important;word-break:break-word!important;min-width:0!important;max-width:100%!important;box-sizing:border-box!important;display:block!important;min-height:13rem!important;max-height:13rem!important;flex-shrink:1!important;flex-grow:0!important}._mathFieldContainer_zfmgo_79 math-field:focus-within{border-color:var(--accent-primary)!important;box-shadow:0 0 0 2px #6366f133!important}._mathFieldContainer_zfmgo_79 math-field ._ML__latex_zfmgo_130{white-space:pre-wrap!important;word-wrap:break-word!important;overflow-wrap:break-word!important;word-break:break-word!important;max-width:100%!important;overflow-x:auto!important}._mathFieldContainer_zfmgo_79 math-field ._ML__latex-content_zfmgo_140{white-space:pre-wrap!important;word-wrap:break-word!important;overflow-wrap:break-word!important;word-break:break-word!important;max-width:100%!important;overflow-x:auto!important}._mathFieldContainer_zfmgo_79 math-field ._ML__fieldcontainer_zfmgo_148{width:100%!important;height:100%!important;overflow-x:auto!important;overflow-y:auto!important}._mathFieldContainer_zfmgo_79 math-field ._ML__latex_zfmgo_130{white-space:pre-wrap!important;word-wrap:break-word!important;min-width:100%!important;max-width:100%!important}._mathFieldContainer_zfmgo_79 math-field{display:block!important;visibility:visible!important;opacity:1!important}._workChunkContainer_zfmgo_170{width:100%;height:8rem;background:transparent;border-radius:.75rem;border:none;transition:border .2s;position:relative;overflow:hidden}._workChunkContainer_zfmgo_170 math-field{width:100%!important;height:8rem!important;padding:.7rem 1rem!important;border-radius:.75rem!important;border:none!important;background:transparent!important;font-size:1rem!important;font-family:inherit!important;color:var(--text-primary)!important;outline:none!important;resize:none!important;overflow-x:auto!important;overflow-y:auto!important;white-space:pre-wrap!important;word-wrap:break-word!important;overflow-wrap:break-word!important;word-break:break-word!important;min-width:100%!important;max-width:100%!important;box-sizing:border-box!important;display:block!important;min-height:8rem!important;max-height:8rem!important}._workChunkContainer_zfmgo_170 math-field:focus-within{border-color:var(--accent-primary)!important;box-shadow:0 0 0 2px #6366f133!important}@media (max-width: 600px){._mathFieldContainer_zfmgo_79{height:9rem}._mathFieldContainer_zfmgo_79 math-field{height:9rem!important;padding:.5rem .6rem!important;font-size:.97rem!important}}._richEditor_zfmgo_223 a,._statementDisplayText_zfmgo_223 a{color:var(--accent-primary);text-decoration:underline}input[type=text]{border-radius:.5rem;padding:.7rem 1rem;border:1.5px solid var(--border-color);font-size:1rem;transition:border .2s}input[type=text]:focus{outline:none;border-color:var(--accent-primary);box-shadow:0 0 0 2px #6366f133}@media (max-width: 600px){input[type=text]{font-size:.97rem;padding:.5rem .7rem}}._insertButton_zfmgo_269{background:var(--accent-primary);color:#fff;border:none;border-radius:50%;width:2.2rem;height:2.2rem;display:flex;align-items:center;justify-content:center;font-size:1.2rem;cursor:pointer;box-shadow:0 1px 4px #0001;transition:background 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