:root{--color-bg:#fbf6ee;--color-bg-soft:#f4ecdd;--color-surface:#fff;--color-surface-sunken:#f8f2e6;--color-ink:#2b2620;--color-ink-soft:#6b6154;--color-ink-faint:#a89d8a;--color-border:#ece1cc;--color-primary:#ff6b47;--color-primary-ink:#fff;--color-primary-soft:#ffe3d8;--color-secondary:#1fb6a4;--color-secondary-soft:#d7f3ee;--color-success:#2fb463;--color-success-soft:#e0f6e6;--color-error:#ef4444;--color-error-soft:#fde2e2;--belt-white:#f5f3ee;--belt-white-ink:#3a352c;--belt-blue:#3d7fe0;--belt-purple:#8b4fd1;--belt-brown:#8a5a2b;--belt-black:#262323;--belt-coral:linear-gradient(135deg, #ff6b6b 0%, #262323 55%, #ff6b6b 100%);--font-body:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--font-display:"Segoe UI", -apple-system, Roboto, Helvetica, Arial, sans-serif;--font-numeric:"Segoe UI", -apple-system, Roboto, Helvetica, Arial, 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3px;font-size:.65rem;font-weight:800;line-height:1;display:inline-flex}._gradeS_ieygr_189{color:#4a3400;background:#f5b60a}._gradeA_ieygr_194{background:var(--color-secondary);color:#fff}._gradeB_ieygr_176{background:var(--color-success);color:#fff}._comingSoon_ieygr_204{margin-top:var(--sp-4);align-items:center;gap:var(--sp-2);font-size:var(--fs-sm);color:var(--color-ink-faint);font-weight:600;display:inline-flex}._supportLink_ieygr_214{text-align:center;margin-top:var(--sp-7);padding:var(--sp-2);font-size:var(--fs-sm);color:var(--color-ink-faint);transition:color var(--dur-fast) var(--ease-out);font-weight:600;text-decoration:none;display:block}._supportLink_ieygr_214:hover{color:var(--color-ink-soft)}._wrap_1rs43_1{gap:var(--sp-3);padding:var(--sp-4) var(--sp-2);flex-wrap:wrap;justify-content:center;display:flex}._group_1rs43_9{width:60px;padding:var(--sp-2);background:var(--color-secondary-soft);border:1.5px solid var(--color-secondary);border-radius:var(--radius-sm);flex-wrap:wrap;align-content:flex-start;gap:4px;display:flex}._dot_1rs43_21{background:var(--color-secondary);border-radius:50%;flex-shrink:0;width:8px;height:8px}._wrap_zq81e_1{justify-content:center;align-items:center;gap:var(--sp-1);padding:var(--sp-4) var(--sp-2);flex-wrap:wrap;display:flex}._stop_zq81e_10{align-items:center;gap:var(--sp-1);display:flex}._arrow_zq81e_16{color:var(--color-ink-faint);font-weight:700;font-size:var(--fs-lg)}._bubble_zq81e_22{width:32px;height:32px;font-weight:700;font-size:var(--fs-sm);font-variant-numeric:tabular-nums;background:var(--color-surface-sunken);color:var(--color-ink-soft);border:2px solid 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var(--dur-med) var(--ease-out) backwards;align-items:flex-start;display:flex}._stepNumber_x307h_113{background:var(--color-secondary-soft);width:26px;height:26px;color:var(--color-secondary);font-weight:700;font-size:var(--fs-sm);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;display:flex}._stepText_x307h_127{color:var(--color-ink);padding-top:3px}._linkNum_x307h_132{color:var(--color-secondary);font-weight:800}._cta_x307h_137{margin-top:var(--sp-6);background:var(--color-primary);width:100%;color:var(--color-primary-ink);border-radius:var(--radius-md);padding:var(--sp-4);font-size:var(--fs-lg);box-shadow:var(--shadow-sm);transition:transform var(--dur-fast) 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auto;display:flex}._topBar_1nugq_12{align-items:center;gap:var(--sp-4);margin-bottom:var(--sp-7);display:flex}._exit_1nugq_19{font-size:var(--fs-lg);color:var(--color-ink-faint);padding:var(--sp-1);background:0 0;border:none;line-height:1}._exit_1nugq_19:hover{color:var(--color-ink)}._progressWrap_1nugq_32{flex:1}._muteBtn_1nugq_36{font-size:var(--fs-base);padding:var(--sp-1);opacity:.55;transition:opacity var(--dur-fast) var(--ease-out);background:0 0;border:none;line-height:1}._muteBtn_1nugq_36:hover{opacity:1}._streakBadge_1nugq_50{background:var(--color-primary-soft);color:var(--color-primary);font-size:var(--fs-sm);font-variant-numeric:tabular-nums;padding:2px var(--sp-2);border-radius:var(--radius-pill);white-space:nowrap;animation:_streak-pop_1nugq_1 var(--dur-med) var(--ease-bounce);align-items:center;gap:3px;font-weight:800;display:inline-flex}._count_1nugq_65{font-size:var(--fs-sm);color:var(--color-ink-soft);text-align:right;min-width:40px;font-weight:700}._problemArea_1nugq_73{justify-content:center;align-items:center;gap:var(--sp-5);flex-direction:column;flex:1;display:flex}._card_1nugq_82{background:var(--color-surface);border-radius:var(--radius-lg);width:100%;padding:var(--sp-6) var(--sp-5);box-shadow:var(--shadow-md);border:2px solid var(--color-border);text-align:center;transition:border-color var(--dur-fast) var(--ease-out), background var(--dur-fast) var(--ease-out)}._cardCorrect_1nugq_93{border-color:var(--color-success);background:var(--color-success-soft);animation:_correct-pop_1nugq_1 .38s var(--ease-bounce)}._cardIncorrect_1nugq_99{border-color:var(--color-error);background:var(--color-error-soft);animation:.42s _shake_1nugq_1}@keyframes _correct-pop_1nugq_1{0%{transform:scale(1)}40%{transform:scale(1.025)}to{transform:scale(1)}}@keyframes _streak-pop_1nugq_1{0%{opacity:0;transform:scale(.6)}60%{opacity:1;transform:scale(1.15)}to{transform:scale(1)}}._prompt_1nugq_131{font-size:var(--fs-3xl);font-variant-numeric:tabular-nums;letter-spacing:-.01em;word-break:keep-all;font-weight:800}._diagramWrap_1nugq_139{margin-top:var(--sp-3);justify-content:center;display:flex}._pageBreakCard_1nugq_145{background:var(--color-secondary-soft);border:2px solid var(--color-secondary);border-radius:var(--radius-lg);width:100%;padding:var(--sp-8) var(--sp-5);text-align:center;animation:_pop-in_1nugq_1 var(--dur-slow) var(--ease-bounce)}._pageBreakEmoji_1nugq_155{margin-bottom:var(--sp-3);font-size:3rem}._pageBreakText_1nugq_160{font-size:var(--fs-xl);color:var(--color-secondary);margin-bottom:var(--sp-6);font-weight:800}._pageBreakCta_1nugq_167{background:var(--color-secondary);color:var(--color-primary-ink);border-radius:var(--radius-md);padding:var(--sp-3) var(--sp-6);font-size:var(--fs-lg);box-shadow:var(--shadow-sm);transition:transform var(--dur-fast) var(--ease-out);border:none;font-weight:700}._pageBreakCta_1nugq_167:hover{transform:translateY(-2px)}._equalsRow_1nugq_183{justify-content:center;align-items:center;gap:var(--sp-3);margin-top:var(--sp-5);flex-wrap:wrap;display:flex}._equalsSign_1nugq_192{font-size:var(--fs-2xl);color:var(--color-ink-faint);font-weight:700}._answerBox_1nugq_198{min-width:90px;min-height:68px;padding:0 var(--sp-3);background:var(--color-surface-sunken);border:2px solid var(--color-border);border-radius:var(--radius-md);font-size:var(--fs-2xl);font-variant-numeric:tabular-nums;color:var(--color-primary);appearance:none;transition:border-color var(--dur-fast) var(--ease-out), background var(--dur-fast) var(--ease-out);justify-content:center;align-items:center;font-weight:800;display:flex}._answerBoxEmpty_1nugq_216{color:var(--color-ink-faint)}._answerBoxActive_1nugq_220{border-color:var(--color-primary);background:var(--color-primary-soft)}._remainderLabel_1nugq_225{font-size:var(--fs-lg);color:var(--color-ink-soft);font-weight:700}._fractionAnswer_1nugq_231{align-items:center;gap:var(--sp-1);flex-direction:column;display:flex}._fractionBox_1nugq_238{min-width:80px;min-height:56px}._fractionBar_1nugq_243{background:var(--color-ink);border-radius:2px;width:56px;height:3px}._revealCorrect_1nugq_250{margin-top:var(--sp-4);font-size:var(--fs-base);color:var(--color-error);animation:_pop-in_1nugq_1 var(--dur-fast) var(--ease-out);font-weight:600}._padArea_1nugq_258{margin-top:var(--sp-7)}._page_10z4d_1{max-width:480px;padding:var(--sp-7) var(--sp-5) var(--sp-8);text-align:center;flex-direction:column;align-items:center;width:100%;margin:0 auto;display:flex}._badge_10z4d_12{margin-bottom:var(--sp-4);animation:_pop-in_10z4d_1 var(--dur-slow) var(--ease-bounce);font-size:3.5rem}._headline_10z4d_18{font-size:var(--fs-2xl);margin-bottom:var(--sp-2);font-weight:800}._sub_10z4d_24{color:var(--color-ink-soft);margin-bottom:var(--sp-6)}._statRow_10z4d_29{gap:var(--sp-4);width:100%;margin-bottom:var(--sp-6);display:flex}._stat_10z4d_29{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:var(--sp-4);flex:1}._statValue_10z4d_44{font-size:var(--fs-xl);font-variant-numeric:tabular-nums;font-weight:800}._statLabel_10z4d_50{font-size:var(--fs-xs);color:var(--color-ink-soft);text-transform:uppercase;letter-spacing:.05em;margin-top:var(--sp-1);font-weight:600}._pass_10z4d_59 ._statValue_10z4d_44{color:var(--color-success)}._fail_10z4d_63 ._statValue_10z4d_44{color:var(--color-error)}._gradePill_10z4d_67{padding:var(--sp-1) var(--sp-4);border-radius:var(--radius-pill);font-weight:800;font-size:var(--fs-sm);margin-bottom:var(--sp-5);animation:_pop-in_10z4d_1 var(--dur-slow) var(--ease-bounce);align-items:center;gap:6px;display:inline-flex}._gradePillS_10z4d_79{color:#6b4d00;background:#fdf0c8}._gradePillA_10z4d_84{background:var(--color-secondary-soft);color:var(--color-secondary)}._gradePillB_10z4d_89{background:var(--color-success-soft);color:var(--color-success)}._beltEarned_10z4d_94{background:var(--color-primary-soft);border:1px solid var(--color-primary);border-radius:var(--radius-md);padding:var(--sp-4);margin-bottom:var(--sp-6);color:var(--color-primary);font-weight:700}._actions_10z4d_104{gap:var(--sp-3);flex-direction:column;width:100%;display:flex}._primaryBtn_10z4d_111{background:var(--color-primary);color:var(--color-primary-ink);border-radius:var(--radius-md);padding:var(--sp-4);font-size:var(--fs-lg);box-shadow:var(--shadow-sm);border:none;font-weight:700}._secondaryBtn_10z4d_122{color:var(--color-ink-soft);padding:var(--sp-2);background:0 0;border:none;font-weight:600}._page_1lemh_1{max-width:560px;padding:var(--sp-6) var(--sp-5) var(--sp-8);width:100%;margin:0 auto}._back_1lemh_8{font-size:var(--fs-sm);color:var(--color-ink-soft);padding:var(--sp-1);margin-bottom:var(--sp-5);background:0 0;border:none;font-weight:700}._back_1lemh_8:hover{color:var(--color-ink)}._header_1lemh_22{text-align:center;margin-bottom:var(--sp-6)}._trophy_1lemh_27{animation:_pop-in_1lemh_1 var(--dur-slow) var(--ease-bounce);font-size:3rem}._title_1lemh_32{font-size:var(--fs-2xl);margin-top:var(--sp-2);font-weight:800}._grid_1lemh_38{gap:var(--sp-3);margin-bottom:var(--sp-6);grid-template-columns:1fr 1fr;display:grid}._statCard_1lemh_45{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:var(--sp-4);text-align:center;box-shadow:var(--shadow-sm)}._statValue_1lemh_54{font-size:var(--fs-xl);font-variant-numeric:tabular-nums;color:var(--color-primary);font-weight:800}._statLabel_1lemh_61{font-size:var(--fs-xs);color:var(--color-ink-soft);text-transform:uppercase;letter-spacing:.05em;margin-top:var(--sp-1);font-weight:600}._gradeRow_1lemh_70{justify-content:center;gap:var(--sp-3);margin-bottom:var(--sp-2);display:flex}._gradeChip_1lemh_77{align-items:center;gap:var(--sp-2);padding:var(--sp-2) var(--sp-4);border-radius:var(--radius-pill);font-variant-numeric:tabular-nums;font-weight:800;font-size:var(--fs-lg);display:inline-flex}._gradeChipLetter_1lemh_88{width:22px;height:22px;font-size:var(--fs-sm);background:#ffffff8c;border-radius:50%;justify-content:center;align-items:center;display:inline-flex}._gradeChipS_1lemh_99{color:#6b4d00;background:#fdf0c8}._gradeChipA_1lemh_104{background:var(--color-secondary-soft);color:var(--color-secondary)}._gradeChipB_1lemh_109{background:var(--color-success-soft);color:var(--color-success)}._gradeHint_1lemh_114{text-align:center;font-size:var(--fs-xs);color:var(--color-ink-faint);margin-bottom:var(--sp-6)}._beltList_1lemh_121{gap:var(--sp-2);background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:var(--sp-2);box-shadow:var(--shadow-sm);flex-direction:column;display:flex}._beltRow_1lemh_132{align-items:center;gap:var(--sp-3);padding:var(--sp-3) var(--sp-3);border-radius:var(--radius-sm);display:flex}._beltRow_1lemh_132:not(:last-child){border-bottom:1px solid var(--color-border)}._beltDot_1lemh_144{border:1px solid var(--color-border);border-radius:50%;flex-shrink:0;width:12px;height:12px}._beltRowName_1lemh_152{font-weight:700;font-size:var(--fs-sm);flex:1}._beltRowCount_1lemh_158{font-size:var(--fs-sm);color:var(--color-ink-soft);font-variant-numeric:tabular-nums;font-weight:700}._beltRowComplete_1lemh_165{color:var(--color-success)}._page_1bv9s_1{max-width:440px;padding:var(--sp-6) var(--sp-5) var(--sp-8);width:100%;margin:0 auto}._topRow_1bv9s_8{justify-content:space-between;align-items:center;gap:var(--sp-3);margin-bottom:var(--sp-5);flex-wrap:wrap;display:flex}._back_1bv9s_17{font-size:var(--fs-sm);color:var(--color-ink-soft);padding:var(--sp-1);background:0 0;border:none;font-weight:700}._back_1bv9s_17:hover{color:var(--color-ink)}._header_1bv9s_30{text-align:center;margin-bottom:var(--sp-6)}._avatar_1bv9s_35{animation:_pop-in_1bv9s_1 var(--dur-slow) var(--ease-bounce);font-size:2.75rem}._title_1bv9s_40{font-size:var(--fs-xl);margin-top:var(--sp-2);font-weight:800}._subtitle_1bv9s_46{margin-top:var(--sp-2);color:var(--color-ink-soft);font-size:var(--fs-sm)}._email_1bv9s_52{margin-top:var(--sp-1);color:var(--color-ink-soft);font-size:var(--fs-sm);font-weight:600}._tabs_1bv9s_59{background:var(--color-surface-sunken);border-radius:var(--radius-pill);margin-bottom:var(--sp-5);padding:4px;display:flex}._tab_1bv9s_59{border-radius:var(--radius-pill);padding:var(--sp-2) var(--sp-3);font-size:var(--fs-sm);color:var(--color-ink-soft);transition:background var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out);background:0 0;border:none;flex:1;font-weight:700}._tabActive_1bv9s_79{background:var(--color-surface);color:var(--color-primary);box-shadow:var(--shadow-sm)}._form_1bv9s_85{gap:var(--sp-4);flex-direction:column;display:flex}._label_1bv9s_91{gap:var(--sp-2);font-size:var(--fs-sm);color:var(--color-ink-soft);flex-direction:column;font-weight:700;display:flex}._input_1bv9s_100{background:var(--color-surface);border:2px solid var(--color-border);border-radius:var(--radius-md);padding:var(--sp-3) var(--sp-4);font-size:var(--fs-base);color:var(--color-ink);transition:border-color var(--dur-fast) var(--ease-out);font-family:inherit}._input_1bv9s_100:focus{border-color:var(--color-primary);outline:none}._passwordWrap_1bv9s_116{display:flex;position:relative}._passwordWrap_1bv9s_116 ._input_1bv9s_100{flex:1;padding-right:44px}._eyeBtn_1bv9s_126{right:var(--sp-2);padding:var(--sp-1);border-radius:var(--radius-sm);color:var(--color-ink-soft);background:0 0;border:none;justify-content:center;align-items:center;display:flex;position:absolute;top:50%;transform:translateY(-50%)}._eyeBtn_1bv9s_126:hover{color:var(--color-ink)}._eyeBtn_1bv9s_126:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px}._primaryBtn_1bv9s_150{background:var(--color-primary);color:var(--color-primary-ink);border-radius:var(--radius-md);padding:var(--sp-4);font-size:var(--fs-lg);box-shadow:var(--shadow-sm);border:none;font-weight:700}._primaryBtn_1bv9s_150:disabled{opacity:.6}._linkBtn_1bv9s_165{color:var(--color-secondary);font-weight:600;font-size:var(--fs-sm);text-align:center;padding:var(--sp-1);background:0 0;border:none}._notice_1bv9s_175{background:var(--color-secondary-soft);border:1px solid var(--color-secondary);color:var(--color-secondary);border-radius:var(--radius-md);padding:var(--sp-4);font-size:var(--fs-sm);text-align:center;animation:_pop-in_1bv9s_1 var(--dur-med) var(--ease-out);font-weight:600}._errorBox_1bv9s_187{background:var(--color-error-soft);border:1px solid var(--color-error);color:var(--color-error);border-radius:var(--radius-md);padding:var(--sp-3) var(--sp-4);font-size:var(--fs-sm);margin-bottom:var(--sp-4);font-weight:600}._syncNote_1bv9s_198{text-align:center;color:var(--color-ink-soft);font-size:var(--fs-sm);margin-bottom:var(--sp-6)}._loggedInActions_1bv9s_205{gap:var(--sp-3);flex-direction:column;display:flex}