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var(--transition-fast)}._navItem_oh5gj_45:hover{background-color:var(--color-border);text-decoration:none}._navItem_oh5gj_45._active_oh5gj_62{background-color:var(--color-primary);color:#fff}._navItem_oh5gj_45._active_oh5gj_62 ._icon_oh5gj_67 svg{fill:#fff3}._icon_oh5gj_67{width:24px;display:flex;align-items:center;justify-content:center;flex-shrink:0}._label_oh5gj_79{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}._divider_oh5gj_85{height:1px;background-color:var(--color-border);margin:var(--spacing-sm) var(--spacing-md)}._sectionLabel_oh5gj_91{padding:var(--spacing-xs) var(--spacing-md);font-size:var(--font-size-xs);font-weight:600;color:var(--color-text-muted);text-transform:uppercase;letter-spacing:.05em}._footer_oh5gj_100{padding:var(--spacing-md);border-top:1px solid var(--color-border);display:flex;flex-direction:column;gap:var(--spacing-sm)}._userInfo_oh5gj_108{overflow:hidden}._userEmail_oh5gj_112{font-size:var(--font-size-sm);color:var(--color-text-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;display:block}._toggleBtn_oh5gj_121{width:100%;padding:var(--spacing-sm);border:1px solid var(--color-border);border-radius:var(--radius-md);background-color:transparent;color:var(--color-text);font-size:var(--font-size-md);cursor:pointer;transition:background-color var(--transition-fast)}._toggleBtn_oh5gj_121:hover{background-color:var(--color-border)}@media(max-width:768px){._sidebar_oh5gj_1{transform:translate(-100%)}._sidebar_oh5gj_1._open_oh5gj_143{transform:translate(0)}}._button_w30mz_1{display:inline-flex;align-items:center;justify-content:center;gap:var(--spacing-sm);border:none;border-radius:var(--radius-md);font-weight:500;transition:all var(--transition-fast);white-space:nowrap}._button_w30mz_1:disabled{opacity:.6;cursor:not-allowed}._sm_w30mz_19{padding:var(--spacing-xs) var(--spacing-sm);font-size:var(--font-size-sm)}._md_w30mz_24{padding:var(--spacing-sm) var(--spacing-md);font-size:var(--font-size-md)}._lg_w30mz_29{padding:var(--spacing-md) var(--spacing-lg);font-size:var(--font-size-lg)}._primary_w30mz_35{background-color:var(--color-primary);color:#fff}._primary_w30mz_35:hover:not(:disabled){background-color:var(--color-primary-dark)}._secondary_w30mz_44{background-color:var(--color-secondary);color:#fff}._secondary_w30mz_44:hover:not(:disabled){opacity:.9}._outline_w30mz_53{background-color:transparent;border:1px solid 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var(--color-border);border-radius:var(--radius-md);background-color:var(--color-background);color:var(--color-text);font-size:var(--font-size-md);transition:border-color var(--transition-fast),box-shadow var(--transition-fast)}._input_be7xk_13:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px #2563eb1a}._input_be7xk_13::placeholder{color:var(--color-text-muted)}._input_be7xk_13:disabled{opacity:.6;cursor:not-allowed;background-color:var(--color-surface)}._input_be7xk_13._error_be7xk_39{border-color:var(--color-error)}._input_be7xk_13._error_be7xk_39:focus{box-shadow:0 0 0 3px #ef44441a}._errorText_be7xk_47{margin:0;font-size:var(--font-size-sm);color:var(--color-error)}._helperText_be7xk_53{margin:0;font-size:var(--font-size-sm);color:var(--color-text-muted)}._card_1j880_1{background-color:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);overflow:hidden}._hoverable_1j880_9{transition:transform 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var(--transition-normal)}._progressText_1r7qg_115{font-size:var(--font-size-sm);color:var(--color-text-muted);min-width:40px;text-align:right}._error_1r7qg_122{color:var(--color-error);font-size:var(--font-size-sm);margin:0}._helper_1r7qg_128{color:var(--color-text-muted);font-size:var(--font-size-sm);margin:0}._uploadBtn_1r7qg_134{align-self:flex-start;margin-top:var(--spacing-sm)}._overlay_1rtho_1{position:fixed;inset:0;background-color:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000;padding:var(--spacing-md)}._modal_1rtho_12{background-color:var(--color-background);border-radius:var(--radius-lg);border:1px solid 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var(--transition-fast);display:flex;align-items:center;justify-content:center}._themeToggle_l6jeo_36:hover{background-color:var(--color-border)}._userMenu_l6jeo_54{display:flex;align-items:center;gap:var(--spacing-md)}._userName_l6jeo_60{font-size:var(--font-size-sm);color:var(--color-text-muted)}._authLinks_l6jeo_65{display:flex;align-items:center;gap:var(--spacing-sm)}@media(max-width:768px){._menuBtn_l6jeo_20{display:block}._userName_l6jeo_60{display:none}}._layout_1n05s_1{min-height:100vh}._content_1n05s_5{margin-left:var(--sidebar-width);min-height:100vh;display:flex;flex-direction:column;transition:margin-left var(--transition-normal)}._content_1n05s_5._collapsed_1n05s_13{margin-left:var(--sidebar-collapsed-width)}._main_1n05s_17{flex:1;padding:var(--spacing-lg)}._overlay_1n05s_22{display:none;position:fixed;inset:0;background-color:#00000080;z-index:99}@media(max-width:768px){._content_1n05s_5,._content_1n05s_5._collapsed_1n05s_13{margin-left:0}._overlay_1n05s_22{display:block}}._container_1cnrq_1{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:var(--spacing-md);background-color:var(--color-background)}._card_1cnrq_10{width:100%;max-width:400px;padding:var(--spacing-xl)}._header_1cnrq_16{text-align:center;margin-bottom:var(--spacing-xl)}._header_1cnrq_16 h1{margin-bottom:var(--spacing-xs)}._form_1cnrq_25{display:flex;flex-direction:column;gap:var(--spacing-md)}._error_1cnrq_31{padding:var(--spacing-sm) var(--spacing-md);background-color:#ef44441a;border:1px solid var(--color-error);border-radius:var(--radius-md);color:var(--color-error);font-size:var(--font-size-sm)}._forgotPassword_1cnrq_40{text-align:right;font-size:var(--font-size-sm)}._submitBtn_1cnrq_45{width:100%;margin-top:var(--spacing-sm)}._footer_1cnrq_50{text-align:center;margin-top:var(--spacing-lg);padding-top:var(--spacing-lg);border-top:1px solid var(--color-border);font-size:var(--font-size-sm)}._footer_1cnrq_50 p{margin:0}._container_scgnt_1{max-width:1000px;margin:0 auto}._hero_scgnt_6{text-align:center;padding:var(--spacing-2xl) 0}._hero_scgnt_6 h1{font-size:var(--font-size-4xl);margin-bottom:var(--spacing-md)}._subtitle_scgnt_16{font-size:var(--font-size-lg);color:var(--color-text-muted);max-width:600px;margin:0 auto var(--spacing-xl)}._heroActions_scgnt_23{display:flex;gap:var(--spacing-md);justify-content:center}._features_scgnt_29{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:var(--spacing-lg);margin:var(--spacing-2xl) 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h1{margin-bottom:var(--spacing-xs)}._statsGrid_1bvew_14{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:var(--spacing-md);margin-bottom:var(--spacing-2xl)}._statCard_1bvew_21{padding:var(--spacing-lg);text-align:center}._statValue_1bvew_26{display:block;font-size:var(--font-size-3xl);font-weight:700;color:var(--color-primary);margin-bottom:var(--spacing-xs)}._statLabel_1bvew_34{font-size:var(--font-size-sm);color:var(--color-text-muted)}._section_1bvew_39{margin-bottom:var(--spacing-2xl)}._sectionHeader_1bvew_43{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--spacing-md)}._sectionHeader_1bvew_43 h2{margin:0}._classGrid_1bvew_54{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:var(--spacing-md)}._classCard_1bvew_60{padding:0;overflow:hidden;height:100%;display:flex;flex-direction:column}._thumbnail_1bvew_68{position:relative;aspect-ratio:16 / 9;background-color:var(--color-border)}._thumbnail_1bvew_68 img{width:100%;height:100%;object-fit:cover}._placeholderThumbnail_1bvew_80{width:100%;height:100%;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--color-primary),var(--color-secondary));color:#fff;font-size:var(--font-size-3xl);font-weight:700}._typeBadgeClass_1bvew_92,._typeBadgeCourse_1bvew_93{position:absolute;bottom:var(--spacing-xs);left:var(--spacing-xs);font-size:var(--font-size-xs);font-weight:600;padding:2px 8px;border-radius:var(--radius-full);white-space:nowrap}._typeBadgeClass_1bvew_92{background-color:color-mix(in srgb,var(--color-secondary) 85%,transparent);color:#fff}._typeBadgeCourse_1bvew_93{background-color:color-mix(in srgb,var(--color-primary) 85%,transparent);color:#fff}._cardContent_1bvew_114{padding:var(--spacing-md);flex:1;display:flex;flex-direction:column}._cardContent_1bvew_114 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0}._contentTree_l1g8n_168{display:flex;flex-direction:column;gap:var(--spacing-xs);font-size:var(--font-size-sm);margin-bottom:var(--spacing-md)}._treeModule_l1g8n_176{padding:var(--spacing-xs) 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var(--color-border);border-radius:var(--radius-md)}._questionText_fjqay_441{flex:1;font-size:var(--font-size-sm)}._addQuestionForm_fjqay_446{display:flex;gap:var(--spacing-sm);align-items:flex-end;margin-top:var(--spacing-xs)}._addQuestionForm_fjqay_446>:first-child{flex:1}._saveQuestionsBtn_fjqay_457{margin-top:var(--spacing-md)}._aggregateRow_fjqay_461{display:flex;align-items:center;gap:var(--spacing-md);margin-bottom:var(--spacing-md)}._questionAverages_fjqay_468{display:flex;flex-direction:column;gap:var(--spacing-sm);margin-bottom:var(--spacing-lg)}._qAvgRow_fjqay_475{display:flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-xs) 0;border-bottom:1px solid 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