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solid var(--ant-color-border, #E2E8F0);cursor:pointer;font-family:inherit;text-transform:capitalize;background:transparent;color:var(--ant-color-text-secondary, #475569);font-weight:400}._typeBtnLeft_gxmlf_90{border-radius:6px 0 0 6px}._typeBtnRight_gxmlf_94{border-radius:0 6px 6px 0}._typeBtnActive_gxmlf_98{background:var(--ant-color-primary-bg, #EEF2FF);color:var(--ant-color-primary, #4F46E5);font-weight:600}._metaDivider_gxmlf_104{color:var(--ant-color-border, #E2E8F0)}._difficultyLabel_gxmlf_108{font-size:12px;color:var(--ant-color-text-secondary, #475569)}._difficultyStars_gxmlf_115{display:flex;gap:2px}._starBtn_gxmlf_120{background:none;border:none;cursor:pointer;font-size:18px;padding:0 1px;line-height:1;font-family:inherit}._starFilled_gxmlf_130{color:var(--ant-color-warning, #F59E0B)}._starEmpty_gxmlf_134{color:var(--ant-color-border, #E2E8F0)}._sectionTitle_gxmlf_140{display:flex;align-items:center;gap:8px;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--ant-color-text-secondary, #475569);margin-bottom:10px}._sectionTitleRule_gxmlf_152{flex:1;height:1px;background:var(--ant-color-border, #E2E8F0)}._section_gxmlf_140{margin-bottom:28px}._tagPills_gxmlf_166{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:8px}._tagPill_gxmlf_166{display:inline-flex;align-items:center;gap:4px;background:var(--ant-color-success-bg, #DCFCE7);color:var(--ant-color-success, #16A34A);border-radius:9999px;padding:2px 10px;font-size:12px;font-weight:500}._tagPillRemove_gxmlf_185{background:none;border:none;cursor:pointer;color:var(--ant-color-success, #16A34A);padding:0 2px;font-size:13px;line-height:1}._tagInputRow_gxmlf_195{display:flex;gap:8px}._tagInput_gxmlf_195{flex:1;padding:6px 10px;border:1px solid var(--ant-color-border, 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10%,white);color:color-mix(in srgb,var(--ant-color-warning, #F59E0B) 80%,#000);border-radius:6px;font-size:13px;font-weight:600;cursor:pointer;transition:all .15s}._seeAnswer_1dcs1_7:hover{background:color-mix(in srgb,var(--ant-color-warning, #F59E0B) 20%,white)}._answerPanel_1dcs1_230{margin-top:12px;background:color-mix(in srgb,var(--ant-color-warning, #F59E0B) 5%,white);border:1px solid color-mix(in srgb,var(--ant-color-warning, #F59E0B) 30%,white);border-radius:6px;padding:14px 16px}._readViewMeta_1dcs1_239{display:flex;align-items:center;gap:8px;flex-wrap:wrap}._typeSpan_1dcs1_246{border-radius:4px;padding:2px 8px;font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.03em}._typeSpanProblem_1dcs1_255{background:var(--ant-color-info-bg, #EEF2FF);color:var(--ant-color-primary, #4F46E5)}._typeSpanTheory_1dcs1_260{background:var(--ant-color-purple-1, #EDE9FE);color:var(--ant-color-purple-6, 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#fff);border-left:1px solid var(--ant-color-border, #E2E8F0);transform:translate(100%);transition:transform .25s ease;overflow-y:auto;z-index:55;padding-bottom:40px;display:flex;flex-direction:column}._adjDrawer_1dcs1_337._open_1dcs1_169{transform:translate(0)}._drawerHdr_1dcs1_358{position:sticky;top:0;background:var(--ant-color-bg-base, #fff);padding:12px 16px;border-bottom:1px solid var(--ant-color-border, #E2E8F0);display:flex;align-items:center;gap:8px;z-index:1;flex-shrink:0}._adjGrp_1dcs1_372{margin-bottom:2px;border-bottom:1px solid var(--ant-color-border-secondary, #F1F5F9)}._adjGrpHdr_1dcs1_377{display:flex;align-items:center;gap:6px;padding:10px 16px;cursor:pointer;font-size:13px;-webkit-user-select:none;user-select:none;background:none;border:none;width:100%;text-align:left;transition:background .15s}._adjGrpHdr_1dcs1_377:hover{background:var(--ant-color-bg-layout, #F8FAFC)}._adjGrpName_1dcs1_396{flex:1;font-size:12px;font-weight:600;color:var(--ant-color-text-secondary, 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.15s}._ncardA_1dcs1_442:hover{border-color:var(--ant-color-primary, #4F46E5);box-shadow:0 0 0 3px #4f46e514;background:var(--ant-color-bg-base, #fff)}._ncardATop_1dcs1_457{display:flex;align-items:center;gap:6px;margin-bottom:4px;flex-wrap:wrap}._ncardATitle_1dcs1_465{font-size:12px;font-weight:500;color:var(--ant-color-text, #0F172A);margin-bottom:4px;line-height:1.4}._ncardAMeta_1dcs1_473{display:flex;align-items:center;gap:4px;flex-wrap:wrap}._ncardAPreview_1dcs1_480{background:var(--ant-color-bg-base, #fff);border:1px solid var(--ant-color-border, #E2E8F0);border-radius:4px;padding:8px 10px;margin-top:8px;font-family:var(--ant-font-family-code, "JetBrains Mono", monospace);font-size:11px;color:var(--ant-color-text-secondary, #475569);line-height:1.6;max-height:80px;overflow:hidden;position:relative}._ncardAPreview_1dcs1_480:after{content:"";position:absolute;bottom:0;left:0;right:0;height:20px;background:linear-gradient(transparent,var(--ant-color-bg-base, 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#4F46E5)}._vtypeBadge_1dcs1_541._theory_1dcs1_555{background:#ede9fe;color:#6d28d9}._diffBadgeMini_1dcs1_561{font-size:11px;font-weight:600;padding:0 5px;border-radius:9999px;height:18px;display:inline-flex;align-items:center}._diffBadgeMini_1dcs1_561._intro_1dcs1_572{background:var(--diff-1-bg);color:var(--diff-1-text)}._diffBadgeMini_1dcs1_561._easy_1dcs1_577{background:var(--diff-2-bg);color:var(--diff-2-text)}._diffBadgeMini_1dcs1_561._medium_1dcs1_582{background:var(--diff-3-bg);color:var(--diff-3-text)}._diffBadgeMini_1dcs1_561._hard_1dcs1_588{background:var(--diff-4-bg);color:var(--diff-4-text)}._diffBadgeMini_1dcs1_561._olympiad_1dcs1_593{background:var(--diff-5-bg);color:var(--diff-5-text)}._diffBadgeDetail_1dcs1_599{font-size:13px;height:22px;padding:0 8px}._edgeSection_1dcs1_606{margin-top:32px;padding-top:16px;border-top:1px solid var(--ant-color-border, 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