._badge_58pxf_1{display:inline-block;background:var(--color-primary-light);color:var(--color-primary);border-radius:var(--radius-sm);padding:2px 8px;font-size:var(--text-xs);font-weight:500}._beginner_58pxf_11{background:#dcfce7;color:#16a34a}._intermediate_58pxf_16{background:#fef3c7;color:#92400e}._advanced_58pxf_21{background:#ede9fe;color:#6d28d9}._card_1fi7a_1{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--space-6);box-shadow:var(--shadow-sm);margin-bottom:20px}._title_1fi7a_10{font-size:var(--text-2xl);font-weight:700;color:var(--color-text);margin:0}._subtitle_1fi7a_17{font-size:var(--text-sm);color:var(--color-text-muted);margin:var(--space-2) 0 0}._badges_1fi7a_23{display:flex;gap:var(--space-2);margin-top:var(--space-4)}._cta_1fi7a_29{display:inline-block;background:var(--color-primary);color:#fff;padding:var(--space-3) var(--space-6);border-radius:var(--radius-md);font-weight:600;text-decoration:none;margin-top:var(--space-6)}._cta_1fi7a_29:hover{background:var(--color-primary-hover)}._progressSection_1fi7a_44{margin-top:var(--space-4)}._progressLabel_1fi7a_48{font-size:var(--text-xs);color:var(--color-text-muted);margin-bottom:4px}._progressTrack_1fi7a_54{height:6px;background:#e5e7eb;border-radius:3px}._progressFill_1fi7a_60{height:100%;border-radius:3px;transition:width .3s ease}._wrapper_ockrf_1{display:flex;flex-direction:column;gap:var(--space-2)}._track_ockrf_7{width:100%;height:6px;background:var(--color-border);border-radius:99px;overflow:hidden}._fill_ockrf_15{height:100%;background:var(--color-primary);border-radius:99px;transition:width .3s ease}._label_ockrf_22{font-size:var(--text-xs);color:var(--color-text-muted)}._list_18t9e_1{display:flex;flex-direction:column;gap:var(--space-8);margin-top:var(--space-8)}._chapter_18t9e_8{border:1px solid var(--color-border);border-radius:var(--radius-lg);overflow:hidden}._chapterHeader_18t9e_14{padding:var(--space-4) var(--space-6);background:var(--color-surface-subtle);border-bottom:1px solid var(--color-border)}._chapterLabel_18t9e_20{font-size:var(--text-xs);font-weight:600;color:var(--color-primary);text-transform:uppercase;letter-spacing:.05em;display:block;margin-bottom:var(--space-1)}._chapterTitle_18t9e_30{font-size:var(--text-lg);font-weight:700;color:var(--color-text);margin:0}._lessons_18t9e_37{display:flex;flex-direction:column}._lessonRow_18t9e_42{display:flex;align-items:center;gap:var(--space-4);padding:var(--space-3) var(--space-4);border-bottom:1px solid var(--color-border);text-decoration:none;color:inherit;transition:background .15s ease}._lessonRow_18t9e_42:last-child{border-bottom:none}._lessonRow_18t9e_42:hover{background:var(--color-surface-hover)}._lessonNumber_18t9e_61{font-size:var(--text-sm);color:var(--color-text-muted);font-family:monospace;min-width:32px;flex-shrink:0}._lessonTitle_18t9e_69{font-size:var(--text-sm);color:var(--color-text);flex:1}._check_18t9e_75{font-size:var(--text-sm);color:var(--color-success);font-weight:700;margin-left:auto}._sidebar_2qqrv_1{position:fixed;top:var(--topnav-height);left:0;width:var(--sidebar-width);height:calc(100vh - var(--topnav-height));overflow-y:auto;background:var(--color-sidebar-bg);border-right:1px solid var(--color-border)}._chapterLabel_2qqrv_12{font-size:var(--text-xs);text-transform:uppercase;letter-spacing:.05em;color:var(--color-text-muted);padding:var(--space-3) var(--space-4);font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:var(--space-2)}._lessonLink_2qqrv_25{display:block;padding:var(--space-2) var(--space-4) var(--space-2) var(--space-6);font-size:var(--text-sm);color:var(--color-text-muted);text-decoration:none;line-height:1.4;transition:color .15s,background .15s}._lessonLink_2qqrv_25:hover{color:var(--color-text);background:var(--color-surface-hover)}._lessonLink_2qqrv_25._active_2qqrv_40{background:var(--color-sidebar-active-bg);color:var(--color-sidebar-active-text);font-weight:600}._lessonCompleted_2qqrv_46{border-left:3px solid var(--color-success);padding-left:calc(var(--space-6) - 3px);color:var(--color-text-muted)}._progressSection_2qqrv_52{padding:var(--space-4);border-bottom:1px solid var(--color-border)}._progressLabel_2qqrv_57{font-size:var(--text-xs);color:var(--color-text-muted);margin-bottom:var(--space-2)}._chapterBtn_2qqrv_63{display:flex;justify-content:space-between;align-items:center;width:100%;background:var(--color-sidebar-bg);border:none;cursor:pointer;text-align:left;font-size:var(--text-xs);text-transform:uppercase;letter-spacing:.05em;color:var(--color-text-muted);padding:var(--space-3) var(--space-4);font-weight:600;margin-top:var(--space-2);position:sticky;top:0;z-index:1}._chapterBtn_2qqrv_63:hover{color:var(--color-text)}._chapterTitle_2qqrv_88{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0;flex:1}._chapterRight_2qqrv_96{display:flex;align-items:center;flex-shrink:0;margin-left:var(--space-2)}._chapterFraction_2qqrv_103{font-size:var(--text-xs);color:var(--color-text-muted);font-weight:400;margin-right:var(--space-2)}._chevron_2qqrv_110{font-size:.6rem;color:var(--color-text-muted)}._currentMarker_2qqrv_115{font-size:.6rem}._lessonLinkInner_2qqrv_119{display:flex;flex-direction:column;flex:1;min-width:0}._lessonTitle_2qqrv_126{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:var(--text-sm)}._lessonTime_2qqrv_133{font-size:10px;color:var(--color-text-muted);margin-top:1px;font-weight:400}@media (max-width: 767px){._sidebar_2qqrv_1{display:none}._sidebar_2qqrv_1._drawerOpen_2qqrv_145{display:block;width:100%;z-index:200}}._closeBtn_2qqrv_152{display:none}@media (max-width: 767px){._closeBtn_2qqrv_152{display:flex;justify-content:flex-end;padding:var(--space-3) var(--space-4);border-bottom:1px solid var(--color-border)}._closeBtnInner_2qqrv_164{background:none;border:none;cursor:pointer;font-size:var(--text-sm);color:var(--color-text-muted);padding:var(--space-1) var(--space-2)}}._box_gsf7g_1{background:var(--color-surface-subtle);border:1px dashed var(--color-border);border-radius:var(--radius-md);padding:var(--space-8);width:100%;display:flex;align-items:center;justify-content:center}._label_gsf7g_12{color:var(--color-text-muted);font-size:var(--text-sm);font-style:italic}._figure_gsf7g_18{margin:0;width:100%}._image_gsf7g_23{width:100%;height:auto;border-radius:var(--radius-md);display:block}._caption_gsf7g_30{margin-top:var(--space-2);color:var(--color-text-muted);font-size:var(--text-sm);font-style:italic;text-align:center}._body_67gj4_1{color:var(--color-text)}._paragraph_67gj4_6{font-size:var(--text-base);line-height:1.75;color:var(--color-text);margin-bottom:var(--space-5)}._listHeading_67gj4_13{font-size:var(--text-base);font-weight:600;color:var(--color-text);margin-bottom:var(--space-2)}._list_67gj4_13{list-style:disc;padding-left:var(--space-5);margin-bottom:var(--space-5)}._listItem_67gj4_26{padding-left:var(--space-2);margin-bottom:var(--space-2);line-height:1.65;color:var(--color-text)}._visualWrap_67gj4_33{margin:var(--space-8) 0}._nav_dggen_1{display:flex;justify-content:space-between;border-top:1px solid var(--color-border);padding-top:var(--space-6);margin-top:var(--space-10)}._btnLink_dggen_9{display:inline-flex;align-items:center;gap:var(--space-2);padding:var(--space-2) var(--space-4);border:1px solid var(--color-border);border-radius:var(--radius-md);font-size:var(--text-sm);color:var(--color-text);text-decoration:none;font-weight:500;transition:background .15s}._btnLink_dggen_9:hover{background:var(--color-surface-hover)}._btnLinkDisabled_dggen_27{display:inline-flex;align-items:center;gap:var(--space-2);padding:var(--space-2) var(--space-4);border:1px solid var(--color-border);border-radius:var(--radius-md);font-size:var(--text-sm);color:var(--color-text-muted);font-weight:500;opacity:.5}._stickyBar_dggen_40{position:fixed;bottom:0;left:var(--sidebar-width);right:0;z-index:100;background:var(--color-surface);border-top:1px solid var(--color-border);padding:var(--space-3) var(--space-6);display:flex;align-items:center;justify-content:space-between}._stickyCenter_dggen_54{font-size:var(--text-xs);color:var(--color-text-muted);text-align:center}@media (max-width: 767px){._stickyBar_dggen_40{left:0}}._chatContainer_lufg2_1{border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--space-6);background:var(--color-surface);margin-top:var(--space-8);margin-bottom:var(--space-6)}._chatTitle_lufg2_10{font-size:var(--text-base);font-weight:600;color:var(--color-text);margin:0 0 var(--space-4) 0}._messageList_lufg2_17{min-height:120px;max-height:420px;overflow-y:auto;display:flex;flex-direction:column;gap:var(--space-3);padding:var(--space-2) 0}._placeholder_lufg2_27{color:var(--color-text-muted);font-style:italic;font-size:var(--text-sm);margin:0}._userBubble_lufg2_34{align-self:flex-end;background:var(--color-primary);color:#fff;padding:var(--space-3) var(--space-4);border-radius:var(--radius-md);max-width:80%;font-size:var(--text-sm);line-height:1.6;white-space:pre-wrap}._assistantBubble_lufg2_46{align-self:flex-start;background:var(--color-surface-subtle, #f5f5f5);color:var(--color-text);padding:var(--space-3) var(--space-4);border-radius:var(--radius-md);max-width:80%;font-size:var(--text-sm);line-height:1.6;white-space:pre-wrap}._loadingIndicator_lufg2_58{align-self:flex-start;color:var(--color-text-muted);font-style:italic;font-size:var(--text-sm)}._errorBanner_lufg2_65{background:#fff0f0;color:#c00;padding:var(--space-3) var(--space-4);border-radius:var(--radius-md);font-size:var(--text-sm);margin-top:var(--space-3)}._inputRow_lufg2_74{display:flex;gap:var(--space-3);margin-top:var(--space-4);align-items:flex-end}._textarea_lufg2_81{flex:1;resize:vertical;padding:var(--space-3) var(--space-4);border:1px solid var(--color-border);border-radius:var(--radius-md);font-size:var(--text-sm);font-family:inherit;color:var(--color-text);background:var(--color-bg);line-height:1.5;min-height:60px}._textarea_lufg2_81:focus{outline:none;border-color:var(--color-primary)}._textarea_lufg2_81:disabled{opacity:.6;cursor:not-allowed}._sendBtn_lufg2_105{padding:var(--space-3) var(--space-5);background:var(--color-primary);color:#fff;border:none;border-radius:var(--radius-md);font-size:var(--text-sm);font-weight:600;cursor:pointer;white-space:nowrap;align-self:flex-end}._sendBtn_lufg2_105:hover:not(:disabled){opacity:.9}._sendBtn_lufg2_105:disabled{opacity:.5;cursor:not-allowed}._question_kae3s_1{margin-bottom:var(--space-6)}._questionText_kae3s_5{font-size:var(--text-sm);font-weight:600;color:var(--color-text);margin:0 0 var(--space-3) 0;line-height:1.5}._qNum_kae3s_13{color:var(--color-primary);margin-right:var(--space-1)}._options_kae3s_18{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:var(--space-2)}._option_kae3s_18{border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-surface);transition:border-color .15s}._option_kae3s_18:has(input:not(:disabled)):hover{border-color:var(--color-primary);background:var(--color-surface-hover)}._correct_kae3s_39{border-color:var(--color-success);background:var(--color-success-light)}._wrong_kae3s_44{border-color:#dc2626;background:#fff0f0}._label_kae3s_49{display:flex;align-items:center;gap:var(--space-3);padding:var(--space-3) var(--space-4);cursor:pointer;font-size:var(--text-sm);color:var(--color-text);width:100%;box-sizing:border-box}._radio_kae3s_61{flex-shrink:0;accent-color:var(--color-primary)}._explanation_kae3s_66{margin:var(--space-3) 0 0 0;font-size:var(--text-sm);color:var(--color-text-muted);line-height:1.6;padding:var(--space-3) var(--space-4);background:var(--color-surface-subtle);border-radius:var(--radius-md);border-left:3px solid var(--color-primary)}._container_1qa1o_1{margin-top:var(--space-6);padding-top:var(--space-6);border-top:1px solid var(--color-border)}._label_1qa1o_7{margin:0 0 var(--space-3) 0}._tag_1qa1o_11{display:inline-block;font-size:var(--text-xs);font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--color-primary);background:var(--color-primary-light);padding:2px var(--space-2);border-radius:var(--radius-sm)}._question_1qa1o_23{font-size:var(--text-sm);font-weight:600;color:var(--color-text);margin:0 0 var(--space-4) 0;line-height:1.5}._textarea_1qa1o_31{width:100%;box-sizing:border-box;padding:var(--space-3) var(--space-4);border:1px solid var(--color-border);border-radius:var(--radius-md);font-size:var(--text-sm);font-family:inherit;color:var(--color-text);line-height:1.6;resize:vertical}._textarea_1qa1o_31:focus{outline:none;border-color:var(--color-primary)}._textarea_1qa1o_31:disabled{opacity:.6}._error_1qa1o_53{font-size:var(--text-sm);color:#dc2626;margin:var(--space-2) 0 0 0}._submitBtn_1qa1o_59{margin-top:var(--space-3);padding:var(--space-3) var(--space-5);background:var(--color-primary);color:#fff;border:none;border-radius:var(--radius-md);font-size:var(--text-sm);font-weight:600;cursor:pointer}._submitBtn_1qa1o_59:hover:not(:disabled){background:var(--color-primary-hover)}._submitBtn_1qa1o_59:disabled{opacity:.45;cursor:not-allowed}._feedback_1qa1o_80{padding:var(--space-4) var(--space-5);border-radius:var(--radius-md);display:flex;flex-direction:column;gap:var(--space-2)}._pass_1qa1o_88{background:var(--color-success-light);border:1px solid var(--color-success)}._fail_1qa1o_93{background:#fff0f0;border:1px solid #dc2626}._feedbackScore_1qa1o_98{margin:0;font-size:var(--text-sm);font-weight:700;color:var(--color-text)}._feedbackText_1qa1o_105{margin:0;font-size:var(--text-sm);color:var(--color-text);line-height:1.6}._retryBtn_1qa1o_112{align-self:flex-start;margin-top:var(--space-1);padding:var(--space-2) var(--space-4);background:transparent;border:1px solid var(--color-border);border-radius:var(--radius-md);font-size:var(--text-sm);cursor:pointer;color:var(--color-text)}._retryBtn_1qa1o_112:hover{background:var(--color-surface-subtle)}._panel_h7bsb_1{border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--space-6);background:var(--color-surface);margin-top:var(--space-8)}._header_h7bsb_9{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:var(--space-6);flex-wrap:wrap;gap:var(--space-2)}._title_h7bsb_18{font-size:var(--text-lg);font-weight:700;color:var(--color-text);margin:0}._prevScore_h7bsb_25{font-size:var(--text-xs);color:var(--color-text-muted)}._submitBtn_h7bsb_30{margin-top:var(--space-2);padding:var(--space-3) var(--space-6);background:var(--color-primary);color:#fff;border:none;border-radius:var(--radius-md);font-size:var(--text-sm);font-weight:600;cursor:pointer}._submitBtn_h7bsb_30:hover:not(:disabled){background:var(--color-primary-hover)}._submitBtn_h7bsb_30:disabled{opacity:.45;cursor:not-allowed}._result_h7bsb_51{margin-top:var(--space-4);padding:var(--space-4) var(--space-5);border-radius:var(--radius-md);display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:var(--space-3)}._resultPass_h7bsb_62{background:var(--color-success-light);border:1px solid var(--color-success)}._resultFail_h7bsb_67{background:#fff7ed;border:1px solid #f59e0b}._resultScore_h7bsb_72{margin:0;font-size:var(--text-sm);color:var(--color-text)}._retryBtn_h7bsb_78{padding:var(--space-2) var(--space-4);background:transparent;border:1px solid var(--color-border);border-radius:var(--radius-md);font-size:var(--text-sm);cursor:pointer;color:var(--color-text)}._retryBtn_h7bsb_78:hover{background:var(--color-surface-subtle)}._main_k1tv2_1{margin-left:var(--sidebar-width);padding:var(--space-10) var(--space-8) calc(var(--space-10) + 56px);max-width:calc(var(--sidebar-width) + var(--content-max-width))}._lessonHeader_k1tv2_7{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:var(--space-1)}._completeLessonBtn_k1tv2_14{font-size:var(--text-sm);font-weight:600;color:#fff;background:var(--color-primary);border:none;border-radius:var(--radius-md);padding:var(--space-2) var(--space-4);cursor:pointer;white-space:nowrap}._completeLessonBtn_k1tv2_14:hover{opacity:.9}._completeLessonDone_k1tv2_30{font-size:var(--text-sm);font-weight:600;color:var(--color-success);background:var(--color-success-light);border-radius:var(--radius-md);padding:var(--space-2) var(--space-4);white-space:nowrap}._lessonTitle_k1tv2_40{font-size:var(--text-3xl);font-weight:700;color:var(--color-text);margin:var(--space-4) 0}._chapterContext_k1tv2_47{font-size:var(--text-xs);color:var(--color-text-muted);margin-bottom:var(--space-1);letter-spacing:.03em}._toast_k1tv2_54{position:fixed;top:calc(var(--topnav-height) + var(--space-4));right:var(--space-6);background:var(--color-success);color:#fff;padding:var(--space-3) var(--space-5);border-radius:var(--radius-md);font-weight:600;font-size:var(--text-sm);z-index:300;box-shadow:0 4px 12px #00000026;animation:_slideIn_k1tv2_1 .2s ease}@keyframes _slideIn_k1tv2_1{0%{transform:translate(20px);opacity:0}to{transform:translate(0);opacity:1}}._keyHint_k1tv2_80{font-size:var(--text-xs);color:var(--color-text-muted);margin-top:var(--space-2)}._chaptersToggle_k1tv2_86{display:none}@media (max-width: 767px){._main_k1tv2_1{margin-left:0;padding:var(--space-6) var(--space-4) calc(var(--space-6) + 56px)}._chaptersToggle_k1tv2_86{display:block;background:none;border:1px solid var(--color-border);border-radius:var(--radius-md);padding:var(--space-2) var(--space-4);font-size:var(--text-sm);color:var(--color-text-muted);cursor:pointer;margin-bottom:var(--space-4)}}._page_10at8_1{max-width:var(--content-max-width);margin:auto;padding:var(--space-10) var(--space-6)}._intro_10at8_7{padding:var(--space-10);text-align:center}._introTitle_10at8_12{font-size:var(--text-3xl);font-weight:700}._introBody_10at8_17{color:var(--color-text-muted);margin:var(--space-4) 0}._progress_10at8_22{font-size:var(--text-sm);color:var(--color-text-muted);margin-bottom:var(--space-4)}._nav_10at8_28{display:flex;justify-content:space-between;margin-top:var(--space-6)}._navBtn_10at8_34{padding:var(--space-2) var(--space-5);border-radius:var(--radius-md);border:1px solid var(--color-border);background:#fff;cursor:pointer}._navBtn_10at8_34:disabled{opacity:.4;cursor:not-allowed}._submitBtn_10at8_47{padding:var(--space-2) var(--space-5);border-radius:var(--radius-md);border:none;background:var(--color-primary);color:#fff;font-weight:600;cursor:pointer}._submitBtn_10at8_47:disabled{opacity:.4;cursor:not-allowed}._loading_10at8_62{text-align:center;padding:var(--space-10);color:var(--color-text-muted)}._indicator_10at8_68{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:var(--space-6)}._dot_10at8_75{width:32px;height:32px;border-radius:50%;border:1.5px solid var(--color-border);background:#fff;color:var(--color-text-muted);font-size:var(--text-sm);font-weight:600;cursor:pointer;display:flex;align-items:center;justify-content:center;padding:0;transition:background .15s,border-color .15s,color .15s}._dotAnswered_10at8_92{background:var(--color-primary);border-color:var(--color-primary);color:#fff}._dotCurrent_10at8_98{border-color:var(--color-primary);color:var(--color-primary)}._widget_gpqux_1{margin-top:2.5rem;padding:1.5rem;background:#1e293b;border:1px solid #334155;border-radius:12px}._heading_gpqux_9{margin:0 0 1rem;font-size:1.1rem;font-weight:600;color:#f1f5f9}._form_gpqux_16{display:flex;flex-direction:column;gap:.875rem}._stars_gpqux_22{display:flex;gap:.375rem}._star_gpqux_22{background:none;border:none;font-size:2rem;color:#475569;cursor:pointer;padding:0;line-height:1;transition:color .15s}._star_gpqux_22:hover,._starActive_gpqux_39{color:#eab308}._textarea_gpqux_43{width:100%;min-height:80px;padding:.625rem .75rem;background:#0f172a;border:1px solid #334155;border-radius:8px;color:#f1f5f9;font-size:.9rem;resize:vertical;box-sizing:border-box}._textarea_gpqux_43::placeholder{color:#64748b}._textarea_gpqux_43:focus{outline:none;border-color:#6366f1}._error_gpqux_65{margin:0;color:#f87171;font-size:.875rem}._submitBtn_gpqux_71{align-self:flex-start;padding:.5rem 1.25rem;background:#6366f1;color:#fff;border:none;border-radius:8px;font-size:.9rem;font-weight:500;cursor:pointer;transition:background .15s}._submitBtn_gpqux_71:hover:not(:disabled){background:#4f46e5}._submitBtn_gpqux_71:disabled{opacity:.4;cursor:not-allowed}._thanks_gpqux_93{margin:0;color:#22c55e;font-size:1rem;font-weight:500}._page_2159g_1{max-width:var(--content-max-width);margin:0 auto;padding:var(--space-10) var(--space-6)}._header_2159g_7{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--space-8)}._headerTitle_2159g_14{font-size:var(--text-3xl);font-weight:700;margin:0}._printBtn_2159g_20{padding:var(--space-2) var(--space-4);border:1px solid var(--color-border);border-radius:var(--radius-md);background:#fff;cursor:pointer;font-size:var(--text-sm)}._scoreCard_2159g_29{text-align:center;padding:var(--space-8);background:var(--color-surface, #f9fafb);border-radius:var(--radius-lg, 12px);margin-bottom:var(--space-8)}._bigScore_2159g_37{font-size:4rem;font-weight:800;color:var(--color-primary);line-height:1}._badge_2159g_44{display:inline-block;padding:var(--space-1) var(--space-3);border-radius:999px;font-size:var(--text-sm);font-weight:600;margin-top:var(--space-2)}._badgePass_2159g_53{background:#dcfce7;color:#166534}._badgeReview_2159g_58{background:#fef9c3;color:#854d0e}._completedDate_2159g_63{font-size:var(--text-sm);color:var(--color-text-muted);margin-top:var(--space-2)}._sectionTitle_2159g_69{font-size:var(--text-xl);font-weight:700;margin-bottom:var(--space-4)}._chapterGrid_2159g_75{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:var(--space-4);margin-bottom:var(--space-8)}._chapterCard_2159g_82{padding:var(--space-4);border:1px solid var(--color-border);border-radius:var(--radius-md)}._chapterTitle_2159g_88{font-weight:600;margin-bottom:var(--space-1)}._chapterScore_2159g_93{font-size:var(--text-sm);color:var(--color-text-muted);margin-bottom:var(--space-2)}._statusLabel_2159g_99{font-size:var(--text-xs);font-weight:600;padding:2px 8px;border-radius:999px}._statusStrong_2159g_106{background:#dcfce7;color:#166534}._statusReview_2159g_111{background:#fef9c3;color:#854d0e}._statusWeak_2159g_116{background:#fee2e2;color:#991b1b}._progressBar_2159g_121{height:6px;border-radius:3px;background:#e5e7eb;margin-top:var(--space-2)}._progressFill_2159g_128{height:100%;border-radius:3px}._weakList_2159g_133{list-style:none;padding:0;margin-bottom:var(--space-8)}._weakItem_2159g_139{padding:var(--space-2) 0;border-bottom:1px solid var(--color-border)}._weakLink_2159g_144{color:var(--color-primary);text-decoration:none;font-weight:500}._recommendations_2159g_150{padding:var(--space-6);background:var(--color-surface, #f9fafb);border-radius:var(--radius-md);line-height:1.7;margin-bottom:var(--space-8)}._empty_2159g_158{text-align:center;padding:var(--space-16);color:var(--color-text-muted)}._retakeLink_2159g_164{display:inline-block;margin-top:var(--space-4);color:var(--color-primary);font-weight:500}@media print{._header_2159g_7 ._printBtn_2159g_20,._retakeLink_2159g_164{display:none}._page_2159g_1{padding:0}}._page_1ph6z_1{min-height:100vh;display:flex;align-items:center;justify-content:center;background:#f4f6f9;padding:1rem}._card_1ph6z_10{background:#fff;border-radius:12px;box-shadow:0 4px 24px #00000014;padding:2.5rem 2rem;width:100%;max-width:420px}._title_1ph6z_19{font-size:1.5rem;font-weight:700;color:#1a1a2e;margin:0 0 .25rem;text-align:center}._subtitle_1ph6z_27{font-size:.875rem;color:#6b7280;text-align:center;margin:0 0 2rem}._form_1ph6z_34{display:flex;flex-direction:column;gap:1rem}._label_1ph6z_40{display:flex;flex-direction:column;gap:.375rem;font-size:.875rem;font-weight:500;color:#374151}._input_1ph6z_49{padding:.625rem .875rem;border:1px solid #d1d5db;border-radius:8px;font-size:.9375rem;outline:none;transition:border-color .15s}._input_1ph6z_49:focus{border-color:#4f46e5;box-shadow:0 0 0 3px #4f46e51a}._error_1ph6z_63{font-size:.875rem;color:#ef4444;margin:0}._btn_1ph6z_69{margin-top:.5rem;padding:.75rem;background:#4f46e5;color:#fff;border:none;border-radius:8px;font-size:1rem;font-weight:600;cursor:pointer;transition:background .15s}._btn_1ph6z_69:hover:not(:disabled){background:#4338ca}._btn_1ph6z_69:disabled{opacity:.6;cursor:not-allowed}._switchLink_1ph6z_91{margin-top:1.5rem;text-align:center;font-size:.875rem;color:#6b7280}._switchLink_1ph6z_91 a{color:#4f46e5;text-decoration:none;font-weight:500}._switchLink_1ph6z_91 a:hover{text-decoration:underline}._page_12iy8_1{min-height:100vh;display:flex;align-items:center;justify-content:center;background:#f4f6f9;padding:1rem}._card_12iy8_10{background:#fff;border-radius:12px;box-shadow:0 4px 24px #00000014;padding:2.5rem 2rem;width:100%;max-width:420px}._title_12iy8_19{font-size:1.5rem;font-weight:700;color:#1a1a2e;margin:0 0 .25rem;text-align:center}._subtitle_12iy8_27{font-size:.875rem;color:#6b7280;text-align:center;margin:0 0 2rem}._form_12iy8_34{display:flex;flex-direction:column;gap:1rem}._label_12iy8_40{display:flex;flex-direction:column;gap:.375rem;font-size:.875rem;font-weight:500;color:#374151}._optional_12iy8_49{font-weight:400;color:#9ca3af}._input_12iy8_54{padding:.625rem .875rem;border:1px solid #d1d5db;border-radius:8px;font-size:.9375rem;outline:none;transition:border-color .15s}._input_12iy8_54:focus{border-color:#4f46e5;box-shadow:0 0 0 3px #4f46e51a}._error_12iy8_68{font-size:.875rem;color:#ef4444;margin:0}._btn_12iy8_74{margin-top:.5rem;padding:.75rem;background:#4f46e5;color:#fff;border:none;border-radius:8px;font-size:1rem;font-weight:600;cursor:pointer;transition:background .15s}._btn_12iy8_74:hover:not(:disabled){background:#4338ca}._btn_12iy8_74:disabled{opacity:.6;cursor:not-allowed}._switchLink_12iy8_96{margin-top:1.5rem;text-align:center;font-size:.875rem;color:#6b7280}._switchLink_12iy8_96 a{color:#4f46e5;text-decoration:none;font-weight:500}._switchLink_12iy8_96 a:hover{text-decoration:underline}._checkboxLabel_12iy8_113{display:flex;align-items:flex-start;gap:.5rem;font-size:.875rem;color:var(--text-secondary, #6b7280);cursor:pointer;line-height:1.4}._checkboxLabel_12iy8_113 input[type=checkbox]{margin-top:.15rem;flex-shrink:0;accent-color:var(--accent, #2563eb)}._nav_1k35h_1{position:fixed;top:0;left:0;right:0;height:var(--topnav-height);background:var(--color-surface);border-bottom:1px solid var(--color-border);z-index:100;display:flex;align-items:center;justify-content:space-between;padding:0 var(--space-6)}._wordmark_1k35h_16{font-size:var(--text-lg);font-weight:600;text-decoration:none;display:flex;align-items:center;gap:0}._wordmarkBrand_1k35h_25{color:var(--color-primary)}._wordmarkSuffix_1k35h_29{color:var(--color-text)}._navLinks_1k35h_33{display:flex;align-items:center;gap:var(--space-2)}._navIcon_1k35h_39{display:inline-flex;align-items:center;margin-right:4px}._navLink_1k35h_33{font-size:var(--text-sm);color:var(--color-text-muted);text-decoration:none;padding:4px 10px;border-radius:var(--radius-sm);display:inline-flex;align-items:center}._navLink_1k35h_33:hover{color:var(--color-primary)}._navLinkActive_1k35h_59{color:var(--color-primary)!important;font-weight:600;background:var(--color-primary-light);border-radius:var(--radius-sm)}._burgerBtn_1k35h_66{display:none;background:none;border:none;cursor:pointer;font-size:1.25rem;color:var(--color-text-muted);align-items:center;justify-content:center;padding:0 var(--space-2)}._burgerBtn_1k35h_66:hover{color:var(--color-primary)}._profileWrapper_1k35h_82{position:relative}._avatarBtn_1k35h_86{width:32px;height:32px;border-radius:50%;background:#000;color:#fff;border:none;cursor:pointer;display:inline-flex;align-items:center;justify-content:center}._avatarBtn_1k35h_86:hover{background:#222}._teacherBtn_1k35h_103{font-size:var(--text-sm);color:#fff;padding:6px 12px;border-radius:var(--radius-sm);display:inline-flex;align-items:center;background:#000;border:none;cursor:pointer;font-family:inherit;font-weight:500}._teacherBtn_1k35h_103:hover{background:#222}._mobileLinkBtn_1k35h_121{background:none;border:none;cursor:pointer;font-family:inherit;text-align:left;width:100%}._mobileLinkTeacher_1k35h_130{background:#000!important;color:#fff!important;border-radius:var(--radius-sm);font-weight:500;margin:var(--space-2) 0}._mobileLinkTeacher_1k35h_130:hover{background:#222!important;color:#fff!important}._dropdown_1k35h_143{position:absolute;top:calc(100% + 8px);right:0;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);box-shadow:var(--shadow-md);min-width:160px;z-index:200;overflow:hidden}._dropdownName_1k35h_156{padding:var(--space-3) var(--space-4);font-size:var(--text-sm);font-weight:600;color:var(--color-text);border-bottom:1px solid var(--color-border)}._dropdownLogout_1k35h_164{display:block;width:100%;padding:var(--space-3) var(--space-4);font-size:var(--text-sm);color:var(--color-text-muted);background:none;border:none;cursor:pointer;text-align:left}._dropdownLogout_1k35h_164:hover{background:var(--color-surface-subtle);color:var(--color-text)}._mobileMenu_1k35h_181{position:absolute;top:var(--topnav-height);left:0;right:0;background:var(--color-surface);border-bottom:1px solid var(--color-border);display:flex;flex-direction:column;padding:var(--space-4) var(--space-6);z-index:99}._mobileLink_1k35h_121{font-size:var(--text-sm);color:var(--color-text-muted);text-decoration:none;min-height:44px;display:flex;align-items:center;border-bottom:1px solid var(--color-border);padding:4px var(--space-3)}._mobileLink_1k35h_121:hover{color:var(--color-primary)}._mobileLinkActive_1k35h_209{color:var(--color-primary)!important;font-weight:600;background:var(--color-primary-light);border-radius:var(--radius-sm)}._mobileLogoutBtn_1k35h_216{background:none;border:none;cursor:pointer;font-size:var(--text-sm);color:var(--color-text-muted);min-height:44px;display:flex;align-items:center;padding:0;text-align:left}._mobileLogoutBtn_1k35h_216:hover{color:var(--color-primary)}@media (max-width: 640px){._navLinks_1k35h_33{display:none}._burgerBtn_1k35h_66{display:flex}}._overlay_1yxse_1{position:fixed;top:0;right:0;bottom:0;left:0;z-index:1000;pointer-events:none}._panel_1yxse_8{position:fixed;top:0;right:0;width:480px;height:100vh;background:var(--color-surface);box-shadow:-4px 0 24px #0000001f;transform:translate(100%);transition:transform .25s ease;z-index:1001;display:flex;flex-direction:column;pointer-events:all}._panelOpen_1yxse_24{transform:translate(0)}._header_1yxse_28{display:flex;align-items:center;justify-content:space-between;padding:var(--space-4) var(--space-6);border-bottom:1px solid var(--color-border);flex-shrink:0}._title_1yxse_37{font-weight:600;font-size:var(--text-base);color:var(--color-text)}._closeBtn_1yxse_43{background:none;border:none;cursor:pointer;font-size:1.25rem;color:var(--color-text-muted);padding:var(--space-1);line-height:1;border-radius:var(--radius-md)}._closeBtn_1yxse_43:hover{color:var(--color-text);background:var(--color-surface-subtle, #f5f5f5)}._body_1yxse_59{display:flex;flex:1;overflow:hidden}._sessionList_1yxse_65{width:160px;flex-shrink:0;border-right:1px solid var(--color-border);display:flex;flex-direction:column;overflow:hidden}._newChatBtn_1yxse_74{margin:var(--space-3);padding:var(--space-2) var(--space-3);background:var(--color-primary);color:#fff;border:none;border-radius:var(--radius-md);font-size:var(--text-sm);font-weight:600;cursor:pointer;flex-shrink:0}._newChatBtn_1yxse_74:hover{opacity:.9}._sessionItems_1yxse_91{flex:1;overflow-y:auto;display:flex;flex-direction:column;gap:2px;padding:0 var(--space-2) var(--space-2)}._sessionItem_1yxse_91{display:flex;align-items:center;justify-content:space-between;padding:var(--space-2) var(--space-3);border-radius:var(--radius-md);cursor:pointer;font-size:var(--text-sm);color:var(--color-text);overflow:hidden;gap:var(--space-1)}._sessionItem_1yxse_91:hover{background:var(--color-surface-subtle, #f5f5f5)}._sessionItemActive_1yxse_117{background:var(--color-surface-subtle, #f0f0f0);font-weight:600}._sessionItemTitle_1yxse_122{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}._deleteSessionBtn_1yxse_129{flex-shrink:0;background:none;border:none;cursor:pointer;color:var(--color-text-muted);font-size:.875rem;padding:0 2px;line-height:1;opacity:0;border-radius:var(--radius-md)}._sessionItem_1yxse_91:hover ._deleteSessionBtn_1yxse_129{opacity:1}._deleteSessionBtn_1yxse_129:hover{color:#c00}._chatArea_1yxse_150{flex:1;display:flex;flex-direction:column;overflow:hidden;min-width:0}._newChatBtnFull_1yxse_158{margin:var(--space-3) var(--space-4);padding:var(--space-2) var(--space-4);background:none;border:1px solid var(--color-border);border-radius:var(--radius-md);font-size:var(--text-sm);color:var(--color-text-muted);cursor:pointer;align-self:flex-start;flex-shrink:0}._newChatBtnFull_1yxse_158:hover{border-color:var(--color-primary);color:var(--color-primary)}._messageList_1yxse_176{flex:1;overflow-y:auto;padding:var(--space-4);display:flex;flex-direction:column;gap:var(--space-3)}._userBubble_1yxse_185{align-self:flex-end;background:var(--color-primary);color:#fff;padding:var(--space-3) var(--space-4);border-radius:var(--radius-md);max-width:80%;font-size:var(--text-sm);line-height:1.6;white-space:pre-wrap;margin-left:auto}._assistantBubble_1yxse_198{align-self:flex-start;background:var(--color-surface-subtle, #f5f5f5);color:var(--color-text);padding:var(--space-3) var(--space-4);border-radius:var(--radius-md);max-width:80%;font-size:var(--text-sm);line-height:1.6;white-space:pre-wrap}._loadingIndicator_1yxse_210{align-self:flex-start;color:var(--color-text-muted);font-style:italic;font-size:var(--text-sm);padding:var(--space-1) 0}._errorBanner_1yxse_218{background:#fff0f0;color:#c00;padding:var(--space-3) var(--space-4);font-size:var(--text-sm);flex-shrink:0}._inputRow_1yxse_226{display:flex;gap:var(--space-3);padding:var(--space-4);border-top:1px solid var(--color-border);align-items:flex-end;flex-shrink:0}._textarea_1yxse_235{flex:1;resize:none;padding:var(--space-3) var(--space-4);border:1px solid var(--color-border);border-radius:var(--radius-md);font-size:var(--text-sm);font-family:inherit;color:var(--color-text);background:var(--color-bg);line-height:1.5;min-height:60px}._textarea_1yxse_235:focus{outline:none;border-color:var(--color-primary)}._textarea_1yxse_235:disabled{opacity:.6;cursor:not-allowed}._sendBtn_1yxse_259{padding:var(--space-3) var(--space-5);background:var(--color-primary);color:#fff;border:none;border-radius:var(--radius-md);font-size:var(--text-sm);font-weight:600;cursor:pointer;white-space:nowrap;align-self:flex-end}._sendBtn_1yxse_259:hover:not(:disabled){opacity:.9}._sendBtn_1yxse_259:disabled{opacity:.5;cursor:not-allowed}._emptyState_1yxse_281{flex:1;display:flex;align-items:center;justify-content:center;color:var(--color-text-muted);font-size:var(--text-sm);text-align:center;padding:var(--space-6)}@media (max-width: 640px){._panel_1yxse_8{width:100vw;left:0}._header_1yxse_28{padding:var(--space-3) var(--space-4)}._sessionList_1yxse_65{width:120px}._messageList_1yxse_176{padding:var(--space-3)}._inputRow_1yxse_226{gap:var(--space-2);padding:var(--space-3)}._textarea_1yxse_235{min-height:48px}._sendBtn_1yxse_259{padding:var(--space-3) var(--space-3)}._userBubble_1yxse_185,._assistantBubble_1yxse_198{max-width:90%}}._main_1wtiu_1{padding-top:var(--topnav-height);background:var(--color-surface-subtle);color:var(--color-text);min-height:100%}._page_wff66_1{padding:2rem;max-width:1200px;margin:0 auto}._title_wff66_7{font-size:1.75rem;font-weight:700;margin-bottom:1.5rem;color:#111}._loading_wff66_14,._error_wff66_15,._empty_wff66_16{padding:2rem;color:#555;font-size:1rem}._error_wff66_15{color:#dc2626}._tableWrapper_wff66_26{overflow-x:auto}._table_wff66_26{width:100%;border-collapse:collapse;font-size:.875rem}._table_wff66_26 th{text-align:left;padding:.6rem .75rem;background:#f1f5f9;border-bottom:2px solid #e2e8f0;font-weight:600;color:#334155;white-space:nowrap}._table_wff66_26 td{padding:.6rem .75rem;border-bottom:1px solid #e2e8f0;color:#374151;vertical-align:top}._row_wff66_53{cursor:pointer;transition:background .15s}._row_wff66_53:hover{background:#f8fafc}._rowExpanded_wff66_62{background:#eff6ff}._detailRow_wff66_66 td{background:#f8fafc;border-bottom:2px solid #e2e8f0}._detail_wff66_66{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:1.5rem;padding:1rem .5rem}._detailSection_wff66_78 h3{font-size:.875rem;font-weight:600;color:#1e40af;margin-bottom:.5rem}._detailSection_wff66_78 ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:.25rem}._detailSection_wff66_78 li{font-size:.8125rem;color:#374151}._none_wff66_99{font-size:.8125rem;color:#9ca3af;margin:0}._meta_wff66_105{color:#9ca3af;font-size:.75rem}._gapReportDetails_wff66_110{margin-top:.5rem}._gapReportDetails_wff66_110 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