._app_9k8rb_37{background:var(--paper);grid-template-columns:var(--rail-w,252px) minmax(0, 1fr);min-height:100vh;display:grid}._rail_9k8rb_51 :focus-visible{outline:3px solid var(--mark);outline-offset:2px}._rail_9k8rb_51{background:var(--deep);height:100vh;color:var(--deep-ink);flex-direction:column;align-self:start;padding:18px 14px;display:flex;position:sticky;top:0;overflow-y:auto}._railTop_9k8rb_69{align-items:center;gap:8px;padding:4px 8px 20px;display:flex}._railBrand_9k8rb_73,._signBrand_9k8rb_73{font-family:var(--display);color:#fff;letter-spacing:-.01em;align-items:center;gap:10px;font-size:25px;font-weight:800;text-decoration:none;display:flex}._railBrand_9k8rb_73:hover ._railWord_9k8rb_81{text-underline-offset:3px;text-decoration:underline}._railBrand_9k8rb_73:hover ._railMark_9k8rb_82{transform:translateY(-1px)}._railMark_9k8rb_82{transition:transform .18s}._signBrand_9k8rb_73{color:var(--ink);padding:0 0 20px}._railToggle_9k8rb_86{cursor:pointer;width:36px;height:36px;color:var(--deep-ink);background:#ffffff14;border:0;border-radius:11px;flex:none;place-items:center;margin-left:auto;transition:background .18s,color .18s;display:grid}._railToggle_9k8rb_86:hover{background:var(--deep-2);color:#fff}._railTight_9k8rb_96{padding-left:10px;padding-right:10px}._railTight_9k8rb_96 ._railTop_9k8rb_69{flex-direction:column;gap:12px;padding:4px 0 18px}._railTight_9k8rb_96 ._railToggle_9k8rb_86{margin-left:0}._railTight_9k8rb_96 ._railWord_9k8rb_81{display:none}._railTight_9k8rb_96 ._navItem_9k8rb_100{justify-content:center;gap:0;padding:13px 0}._railTight_9k8rb_96 ._navCount_9k8rb_101{margin-left:0;padding:0 6px;font-size:11px;position:absolute;transform:translate(16px,-14px)}._railTight_9k8rb_96 ._navItem_9k8rb_100{position:relative}._railTight_9k8rb_96 ._railFoot_9k8rb_106{padding-top:16px}._railTight_9k8rb_96 ._swatches_9k8rb_107{flex-direction:column;align-items:center;padding:0}._railMark_9k8rb_82,._signMark_9k8rb_109{background:var(--mark);color:#3d2c00;width:38px;height:38px;font-family:var(--display);box-shadow:0 3px 0 var(--mark-edge);border-radius:12px;flex:none;place-items:center;font-size:21px;font-weight:800;display:grid}._railNav_9k8rb_117{flex-direction:column;gap:4px;display:flex}._navItem_9k8rb_100{border-radius:var(--r-md);color:var(--deep-ink);font:inherit;text-align:left;cursor:pointer;background:0 0;border:0;align-items:center;gap:12px;width:100%;padding:12px 13px;font-size:15.5px;font-weight:700;transition:background .18s,color .18s,transform .18s;display:flex}._navItem_9k8rb_100:hover{background:var(--deep-2);color:#fff}._navItem_9k8rb_100 svg{opacity:.8;flex:none}._navOn_9k8rb_129{background:var(--mark);color:#3d2c00;box-shadow:0 3px 0 var(--mark-edge)}._navOn_9k8rb_129:hover{background:var(--mark);color:#3d2c00}._navOn_9k8rb_129 svg{opacity:1}._navCount_9k8rb_101{color:inherit;background:#ffffff29;border-radius:999px;margin-left:auto;padding:1px 8px;font-size:12.5px;font-weight:800}._navOn_9k8rb_129 ._navCount_9k8rb_101{background:#00000024}._railFoot_9k8rb_106{margin-top:auto;padding-top:20px}._railLabel_9k8rb_143{letter-spacing:.09em;text-transform:uppercase;color:var(--deep-ink);opacity:.55;padding:0 9px 8px;font-size:11px;font-weight:800}._swatches_9k8rb_107{gap:8px;padding:0 6px;display:flex}._swatch_9k8rb_107{cursor:pointer;background:#ffffff1a;border:2px solid #0000;border-radius:11px;grid-template-columns:1fr 1fr;gap:2px;width:34px;height:34px;padding:3px;transition:transform .18s;display:grid}._swatch_9k8rb_107:hover{transform:translateY(-2px)}._swatchOn_9k8rb_159{border-color:var(--mark)}._swatch_9k8rb_107 i{border-radius:3px;display:block}._top_9k8rb_164{background:var(--sheet);border-bottom:var(--bw) solid var(--rule);z-index:20;align-items:center;gap:14px;padding:16px 28px;display:flex;position:sticky;top:0}._hi_9k8rb_171{font-family:var(--display);color:var(--ink);font-size:21px;font-weight:700}._hiSub_9k8rb_172{color:var(--ink-3);margin-top:-2px;font-size:13px}._spacer_9k8rb_173{flex:1}._chipRow_9k8rb_175{align-items:center;gap:9px;display:flex}._tally_9k8rb_176{background:var(--mark);color:#3d2c00;box-shadow:0 3px 0 var(--mark-edge);border-radius:999px;align-items:center;gap:7px;padding:7px 14px 7px 11px;font-size:13.5px;font-weight:800;display:flex}._link_9k8rb_184{font:inherit;color:var(--brand);cursor:pointer;border-radius:var(--r-sm);background:0 0;border:0;padding:7px 11px;font-size:13.5px;font-weight:700}._link_9k8rb_184:hover{background:var(--brand-wash)}._avatar_9k8rb_190{background:var(--brand);width:40px;height:40px;color:var(--on-brand);font-family:var(--display);border:var(--bw) solid var(--sheet);box-shadow:0 0 0 2px 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.18s;display:flex;position:relative;overflow:hidden}._book_9k8rb_263:hover{box-shadow:var(--shadow-lift);border-color:var(--brand);transform:translateY(-4px)}._book_9k8rb_263:active{transform:var(--press)}._book_9k8rb_263:disabled{cursor:default}._book_9k8rb_263:disabled:hover{box-shadow:var(--shadow-soft);border-color:var(--rule);transform:none}._cover_9k8rb_276{aspect-ratio:3/4;background:var(--sub-wash,var(--brand-wash));place-items:center;width:100%;display:grid;position:relative;overflow:hidden}._coverImg_9k8rb_281{object-fit:cover;object-position:top center;width:100%;height:100%;display:block}._coverFallback_9k8rb_284{font-family:var(--display);color:var(--sub,var(--brand));opacity:.32;font-size:40px;font-weight:800}._coverChip_9k8rb_288{letter-spacing:.04em;background:var(--sub,var(--brand));color:#fff;border-radius:999px;padding:4px 10px;font-size:11.5px;font-weight:800;position:absolute;top:10px;left:10px;box-shadow:0 2px 6px #0f172a40}._coverState_9k8rb_295{position:absolute;bottom:10px;left:10px;right:10px}._bookBody_9k8rb_297{flex-direction:column;flex:1;gap:3px;padding:14px 15px 16px;display:flex}._bookTitle_9k8rb_298{font-family:var(--display);color:var(--ink);letter-spacing:-.01em;-webkit-line-clamp:2;-webkit-box-orient:vertical;font-size:17px;font-weight:700;line-height:1.25;display:-webkit-box;overflow:hidden}._bookLead_9k8rb_303{letter-spacing:.04em;text-transform:uppercase;color:var(--sub,var(--brand));-webkit-line-clamp:1;-webkit-box-orient:vertical;margin-bottom:1px;font-size:11.5px;font-weight:800;display:-webkit-box;overflow:hidden}._bookMeta_9k8rb_308{color:var(--ink-3);font-size:13px;font-weight:600}._bookFail_9k8rb_309{color:var(--rust);margin-top:4px;font-size:12.5px}._bookFoot_9k8rb_311{align-items:center;gap:8px;margin-top:auto;padding:0 15px 14px;display:flex}._chip_9k8rb_175{letter-spacing:.02em;white-space:nowrap;border-radius:999px;align-items:center;gap:5px;padding:5px 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12px;display:grid}._dropTitle_9k8rb_343{font-family:var(--display);color:var(--ink);font-size:19px;font-weight:700}._dropSub_9k8rb_344{color:var(--ink-3);margin:5px 0 0;font-size:14px}._fileRow_9k8rb_346{flex-wrap:wrap;align-items:center;gap:10px;margin-top:14px;display:flex}._askWrap_9k8rb_352{grid-template-columns:minmax(0,380px) minmax(0,1fr);align-items:start;gap:22px;display:grid}._askOnly_9k8rb_353{grid-template-columns:minmax(0,1fr)}._panel_9k8rb_355{background:var(--sheet);border:var(--bw) solid var(--rule);border-radius:var(--r-lg);box-shadow:var(--shadow-soft);padding:22px}._panelPad_9k8rb_360{padding:22px 24px 24px}._field_9k8rb_362{width:100%;font:inherit;border:var(--bw) solid var(--rule);border-radius:var(--r-md);background:var(--sheet-2);color:var(--ink);resize:vertical;font-size:17px;line-height:1.5;font-family:var(--ui);padding:15px 16px}._field_9k8rb_362::placeholder{color:var(--ink-3)}._field_9k8rb_362:focus{border-color:var(--brand);background:var(--sheet);box-shadow:0 0 0 4px var(--brand-wash);outline:none}._btn_9k8rb_371{border-radius:var(--r-md);background:var(--brand);color:var(--on-brand);font-family:var(--display);cursor:pointer;box-shadow:var(--btn-shadow);border:0;justify-content:center;align-items:center;gap:8px;padding:14px 22px;font-size:17px;font-weight:700;transition:transform .12s,filter .18s;display:inline-flex}._btn_9k8rb_371:hover:not(:disabled){filter:brightness(1.06)}._btn_9k8rb_371:active:not(:disabled){transform:var(--press);box-shadow:0 1px 0 var(--brand-deep)}._btn_9k8rb_371:disabled{opacity:.45;cursor:default;box-shadow:none}._btnWide_9k8rb_382{width:100%}._btnQuiet_9k8rb_383{background:var(--sheet);color:var(--ink);border:var(--bw) solid var(--rule);box-shadow:0 3px 0 var(--rule)}._btnQuiet_9k8rb_383:active:not(:disabled){box-shadow:0 1px 0 var(--rule)}._suggest_9k8rb_389{text-align:left;border:var(--bw) solid var(--rule);border-radius:var(--r-md);background:var(--sheet);width:100%;color:var(--ink);font:inherit;cursor:pointer;margin-top:9px;padding:13px 16px;font-size:14.5px;transition:border-color .18s,transform .18s,background .18s;display:block}._suggest_9k8rb_389:hover{border-color:var(--brand);background:var(--brand-wash);transform:translate(3px)}._q_9k8rb_397{background:var(--deep);color:#fff;border-radius:var(--r-md) var(--r-md) var(--r-md) 6px;margin-bottom:14px;padding:14px 18px;font-size:16px;font-weight:600}._outcome_9k8rb_402{flex-wrap:wrap;align-items:center;gap:9px;margin-bottom:11px;display:flex}._answer_9k8rb_403{color:var(--ink);white-space:pre-wrap;margin:0;font-size:16.5px;line-height:1.65}._cites_9k8rb_404{gap:9px;margin-top:12px;display:grid}._cite_9k8rb_404{text-align:left;border:var(--bw) solid var(--rule);border-left:5px solid var(--mark-edge);border-radius:var(--r-sm);background:var(--sheet);width:100%;color:var(--ink);font:inherit;cursor:pointer;align-items:center;gap:11px;padding:13px 15px;font-size:14.5px;font-weight:600;transition:transform .18s,border-color .18s,background .18s;display:flex}._cite_9k8rb_404:hover{background:var(--mark);border-color:var(--mark-edge);transform:translate(3px)}._citeIcon_9k8rb_415{color:var(--mark-edge);flex:none}._note_9k8rb_417{border-radius:var(--r-md);background:var(--brand-wash);color:var(--ink-2);border:var(--bw) solid var(--rule);margin-top:14px;padding:13px 16px;font-size:14px;line-height:1.55}._working_9k8rb_423{color:var(--ink-2);align-items:center;gap:10px;font-size:15px;font-weight:600;display:flex}._spin_9k8rb_424{border:3px solid var(--rule);border-top-color:var(--brand);border-radius:50%;flex:none;width:18px;height:18px;animation:.7s linear infinite _spin_9k8rb_424}@keyframes _spin_9k8rb_424{to{transform:rotate(360deg)}}@media (prefers-reduced-motion:reduce){._spin_9k8rb_424{animation-duration:2.4s}}._error_9k8rb_432{border-radius:var(--r-md);background:var(--rust-wash);border:var(--bw) solid var(--rust);color:var(--rust);margin-top:14px;padding:13px 16px;font-size:14.5px;font-weight:600}._groundWrap_9k8rb_442{grid-template-columns:minmax(0,1fr) minmax(0,420px);align-items:start;gap:22px;display:grid}._quote_9k8rb_444{background:var(--mark);border-left:5px solid var(--mark-edge);border-radius:0 var(--r-sm) var(--r-sm) 0;color:#3d2c00;white-space:pre-wrap;margin:0;padding:14px 16px;font-size:15px;font-weight:600;line-height:1.6}._page_9k8rb_449{background:var(--sheet);border:var(--bw) solid var(--rule);border-radius:var(--r-md);margin-top:10px;padding:18px}._pageText_9k8rb_453{white-space:pre-wrap;color:var(--ink-2);margin:0;font-family:ui-serif,Georgia,serif;font-size:13.5px;line-height:1.8}._pageImage_9k8rb_458{width:100%;height:auto;display:block}._pageFrame_9k8rb_459{border:var(--bw) solid var(--rule);border-radius:var(--r-md);width:100%;box-shadow:var(--shadow-soft);background:#fff;margin:0 auto;line-height:0;position:relative;overflow:hidden}._regionOnPage_9k8rb_466{pointer-events:none;border:3px solid var(--mark-edge);background:#ffd84d47;border-radius:3px;position:absolute;box-shadow:0 0 0 9999px #0f172a14}._pager_9k8rb_472{color:var(--ink-2);justify-content:space-between;align-items:center;gap:10px;margin-top:12px;font-size:13.5px;font-weight:600;display:flex}._pagerBtn_9k8rb_476{border:var(--bw) solid var(--rule);background:var(--sheet);color:var(--ink);font:inherit;border-radius:var(--r-sm);cursor:pointer;box-shadow:0 3px 0 var(--rule);padding:9px 14px;font-size:13.5px;font-weight:700}._pagerBtn_9k8rb_476:active:not(:disabled){transform:var(--press);box-shadow:0 1px 0 var(--rule)}._pagerBtn_9k8rb_476:disabled{opacity:.4;cursor:default;box-shadow:none}._pagerLabel_9k8rb_483{align-items:center;gap:8px;display:flex}._pageNote_9k8rb_484{color:var(--ink-3);text-align:center;margin-top:10px;font-size:13px}._back_9k8rb_486{font:inherit;color:var(--brand);cursor:pointer;border-radius:var(--r-sm);background:0 0;border:0;align-items:center;gap:7px;margin-bottom:8px;padding:8px 12px 8px 8px;font-size:14.5px;font-weight:700;display:inline-flex}._back_9k8rb_486:hover{background:var(--brand-wash)}._uploading_9k8rb_496{margin-top:14px}._barTrack_9k8rb_497{background:var(--rule);border-radius:999px;width:100%;height:10px;display:block;overflow:hidden}._barFill_9k8rb_501{background:var(--brand);border-radius:999px;height:100%;transition:width .25s;display:block}._barLabel_9k8rb_505{color:var(--ink-2);margin:8px 0 0;font-size:13.5px;font-weight:600}._elapsed_9k8rb_506{font-variant-numeric:tabular-nums;color:var(--ink-3);margin-left:8px;font-size:13px}@media (prefers-reduced-motion:reduce){._barFill_9k8rb_501{transition:none}}._danger_9k8rb_509{font:inherit;color:var(--rust);cursor:pointer;border-radius:var(--r-sm);background:0 0;border:0;padding:6px 10px;font-size:13px;font-weight:700}._danger_9k8rb_509:hover{background:var(--rust-wash)}._signin_9k8rb_517{background:radial-gradient(1100px 620px at 12% -10%, var(--brand-wash), transparent 62%), radial-gradient(900px 520px at 92% 8%, var(--mark), transparent 55%), var(--paper);place-items:center;min-height:100vh;padding:24px;display:grid}._signinCard_9k8rb_524{background:var(--sheet);border:var(--bw) solid var(--rule);border-radius:var(--r-xl,28px);width:100%;max-width:430px;box-shadow:var(--shadow-lift);padding:32px}._label_9k8rb_529{color:var(--ink-2);margin:18px 0 6px;font-size:13.5px;font-weight:800;display:block}._input_9k8rb_533{width:100%;font:inherit;border:var(--bw) solid var(--rule);border-radius:var(--r-md);background:var(--sheet-2);color:var(--ink);padding:14px 15px;font-size:16px}._input_9k8rb_533:focus{border-color:var(--brand);background:var(--sheet);box-shadow:0 0 0 4px var(--brand-wash);outline:none}._roleAsk_9k8rb_543{color:var(--ink-3);margin:0 0 10px;font-size:13.5px;font-weight:700}._roleTabs_9k8rb_544{grid-template-columns:1fr 1fr;gap:10px;display:grid}._roleTab_9k8rb_544{font:inherit;cursor:pointer;border:var(--bw) solid var(--rule);border-radius:var(--r-md);background:var(--sheet);color:var(--ink-2);padding:14px 12px;font-size:16px;font-weight:800}._roleTab_9k8rb_544:hover{border-color:var(--brand)}._roleTabOn_9k8rb_551{background:var(--brand-wash);border-color:var(--brand);color:var(--brand)}._roleTab_9k8rb_544:focus-visible{outline:2px solid var(--brand);outline-offset:2px}._signTitle_9k8rb_554{font-family:var(--display);color:var(--ink);margin:0 0 6px;font-size:24px;font-weight:800}._signNotice_9k8rb_555{border-radius:var(--r-md);background:var(--brand-wash);color:var(--ink);margin:16px 0 0;padding:11px 13px;font-size:14px;font-weight:600}._signHelp_9k8rb_559{color:var(--ink-2);margin:10px 0 0;font-size:14px;line-height:1.5}._signLinks_9k8rb_560{text-align:center;color:var(--ink-3);margin:16px 0 0;font-size:14px}._labelRow_9k8rb_561{justify-content:space-between;align-items:baseline;gap:8px;display:flex}._labelRow_9k8rb_561 ._textBtn_9k8rb_562{margin-top:18px}._optional_9k8rb_563{color:var(--ink-3);font-weight:600}._fieldHint_9k8rb_564{color:var(--ink-3);margin:6px 0 0;font-size:12.5px;line-height:1.45}._codeInput_9k8rb_565{letter-spacing:.45em;text-align:center;font-size:22px;font-weight:800}._orRule_9k8rb_567{color:var(--ink-3);align-items:center;gap:12px;margin:18px 0;font-size:13px;display:flex}._orRule_9k8rb_567:before,._orRule_9k8rb_567:after{content:"";background:var(--rule);flex:1;height:1px}._passRow_9k8rb_573{position:relative}._passRow_9k8rb_573 ._input_9k8rb_533{padding-right:70px}._passShow_9k8rb_575{cursor:pointer;border-radius:var(--r-sm);font:inherit;color:var(--brand);background:0 0;border:0;padding:6px 9px;font-size:13px;font-weight:800;position:absolute;top:50%;right:8px;transform:translateY(-50%)}._passShow_9k8rb_575:hover{background:var(--brand-wash)}._kidList_9k8rb_583{gap:10px;display:grid}._kid_9k8rb_583{cursor:pointer;text-align:left;border:var(--bw) solid var(--rule);border-radius:var(--r-md);background:var(--sheet);width:100%;font:inherit;color:var(--ink);align-items:center;gap:13px;padding:10px 14px;font-size:17px;font-weight:800;display:flex}._kid_9k8rb_583:hover{border-color:var(--brand)}._kidOn_9k8rb_591{border-color:var(--brand);background:var(--brand-wash);box-shadow:0 0 0 3px var(--brand-wash)}._kid_9k8rb_583:focus-visible{outline:2px solid var(--brand);outline-offset:2px}._face_9k8rb_595{object-fit:cover;background:var(--sheet-2);border-radius:50%;flex:none;display:block}._faceInitial_9k8rb_596{background:var(--brand);color:var(--on-brand);font-family:var(--display);border-radius:50%;flex:none;place-items:center;font-weight:800;display:grid}._meFace_9k8rb_601{box-shadow:0 0 0 2px var(--brand-wash);border-radius:50%;display:inline-flex}._switcher_9k8rb_604{position:relative}._switcherButton_9k8rb_605{cursor:pointer;border:var(--bw) solid var(--rule);background:var(--sheet);font:inherit;color:var(--ink);border-radius:999px;align-items:center;gap:9px;padding:4px 12px 4px 4px;font-size:14.5px;font-weight:800;display:flex}._switcherButton_9k8rb_605:hover{border-color:var(--brand)}._switcherName_9k8rb_612{text-overflow:ellipsis;white-space:nowrap;max-width:160px;overflow:hidden}._switcherCaret_9k8rb_613{color:var(--ink-3);font-size:12px}._switcherMenu_9k8rb_614{z-index:40;background:var(--sheet);border:var(--bw) solid var(--rule);border-radius:var(--r-lg);width:min(320px,86vw);box-shadow:var(--shadow-lift);padding:8px;position:absolute;top:calc(100% + 8px);right:0}._switcherRow_9k8rb_619{border-radius:var(--r-md);align-items:center;display:flex}._switcherRow_9k8rb_619+._switcherRow_9k8rb_619{border-top:1px solid var(--rule)}._switcherRowOn_9k8rb_621{background:var(--brand-wash)}._switcherPick_9k8rb_622{cursor:pointer;text-align:left;border-radius:var(--r-md);min-width:0;font:inherit;color:var(--ink);background:0 0;border:0;flex:1;align-items:center;gap:12px;padding:10px;font-size:15.5px;font-weight:800;display:flex}._switcherKid_9k8rb_627{flex-direction:column;min-width:0;display:flex}._switcherNow_9k8rb_628{color:var(--brand);font-size:12px;font-weight:700}._switcherCog_9k8rb_629{cursor:pointer;width:36px;height:36px;color:var(--ink-3);background:0 0;border:0;border-radius:50%;flex:none;place-items:center;margin-right:6px;display:grid}._switcherCog_9k8rb_629:hover{background:var(--sheet-2);color:var(--brand)}._switcherFoot_9k8rb_634{border-top:1px solid var(--rule);flex-wrap:wrap;justify-content:space-between;gap:8px;margin-top:6px;padding-top:8px;display:flex}._familyGrid_9k8rb_640{grid-template-columns:repeat(auto-fill,minmax(min(100%,300px),1fr));align-items:start;gap:16px;margin-top:20px;display:grid}._childCard_9k8rb_645{background:var(--sheet);border:var(--bw) solid var(--rule);border-radius:var(--r-lg);box-shadow:var(--shadow-soft,none);padding:18px}._childAdd_9k8rb_649{border-style:dashed}._childHead_9k8rb_650{align-items:center;gap:14px;display:flex}._facePick_9k8rb_651{cursor:pointer;background:0 0;border:0;border-radius:50%;padding:0;position:relative}._facePick_9k8rb_651:disabled{cursor:progress;opacity:.7}._facePickLabel_9k8rb_655{white-space:nowrap;background:var(--sheet);border:1px solid var(--rule);color:var(--brand);border-radius:999px;padding:1px 7px;font-size:11px;font-weight:800;position:absolute;bottom:-6px;left:50%;transform:translate(-50%)}._childName_9k8rb_660{font-family:var(--display);color:var(--ink);font-size:19px;font-weight:800}._childState_9k8rb_661{color:var(--ink-3);margin-top:2px;font-size:13px}._childForm_9k8rb_662{margin-top:6px}._childActions_9k8rb_663{flex-wrap:wrap;align-items:center;gap:8px;margin-top:14px;display:flex}._childSaved_9k8rb_664{color:var(--brand);margin:10px 0 0;font-size:13.5px;font-weight:700}@media (width<=1260px){._askWrap_9k8rb_352,._groundWrap_9k8rb_442{grid-template-columns:minmax(0,1fr)}._groundWrap_9k8rb_442>:last-child{order:-1}}@media (width<=1000px){._app_9k8rb_37{grid-template-columns:minmax(0,1fr)}._railTight_9k8rb_96{padding:8px 12px calc(8px + env(safe-area-inset-bottom))}._railTight_9k8rb_96 ._railWord_9k8rb_81{display:inline}._railTight_9k8rb_96 ._navItem_9k8rb_100{gap:12px;padding:11px 8px}._railTight_9k8rb_96 ._navCount_9k8rb_101{position:static;transform:none}._rail_9k8rb_51{z-index:40;height:auto;padding:8px 12px calc(8px + env(safe-area-inset-bottom));border-top:3px solid var(--deep-rule);flex-direction:row;align-items:center;gap:6px;position:fixed;inset:auto 0 0}._rail_9k8rb_51 ._railTop_9k8rb_69,._railFoot_9k8rb_106{display:none}._railNav_9k8rb_117{flex-direction:row;flex:1;gap:6px}._navItem_9k8rb_100{justify-content:center;min-height:48px;padding:11px 8px;font-size:14px}._top_9k8rb_164{padding:14px 16px}._stage_9k8rb_17{padding:18px 16px 110px}._hero_9k8rb_204{border-radius:var(--r-lg);padding:24px 22px}._blob3_9k8rb_219{display:none}._askWrap_9k8rb_352,._groundWrap_9k8rb_442{grid-template-columns:minmax(0,1fr)}._groundWrap_9k8rb_442>:last-child{order:-1}}@media (width<=560px){._grid_9k8rb_257{grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px}._bookTitle_9k8rb_298{font-size:15px}._hi_9k8rb_171{font-size:18px}._blob1_9k8rb_219,._blob2_9k8rb_219{display:none}._stage_9k8rb_17{padding:14px 12px 110px}}._bookStage_9k8rb_714{background:linear-gradient(160deg, var(--deep) 0%, var(--deep-2) 100%);border-radius:var(--r-xl,28px);box-shadow:var(--shadow-lift);place-items:center;min-height:280px;padding:28px 22px 22px;display:grid}._bookFrame_9k8rb_722{width:100%;margin:0 auto}._flip_9k8rb_723{margin:0 auto}._sheet_9k8rb_725{background:#fff;place-items:center;display:grid;overflow:hidden}._sheetImg_9k8rb_730{object-fit:contain;-webkit-user-select:none;user-select:none;-webkit-user-drag:none;width:100%;height:100%;display:block}._sheetWait_9k8rb_736{font-family:var(--display);color:var(--rule);-webkit-user-select:none;user-select:none;font-size:42px;font-weight:800}._bookBar_9k8rb_741{flex-wrap:wrap;justify-content:center;align-items:center;gap:14px;margin-top:22px;display:flex}._bookCount_9k8rb_745{font-family:var(--display);color:#fff;text-align:center;font-variant-numeric:tabular-nums;min-width:148px;font-size:15.5px;font-weight:700}._bookHint_9k8rb_750{text-align:center;color:var(--deep-ink);opacity:.7;margin:10px 0 0;font-size:13px}._bookStage_9k8rb_714 .stf__parent{margin:0 auto}@media (width<=560px){._bookStage_9k8rb_714{border-radius:var(--r-lg);padding:16px 10px 14px}._bookCount_9k8rb_745{min-width:0;font-size:14px}}._subjectGroup_9k8rb_769{margin-top:26px}._subjectGroup_9k8rb_769:first-of-type{margin-top:16px}._subjectHead_9k8rb_772{border-bottom:var(--bw) solid var(--sub-wash,var(--rule));align-items:center;gap:10px;margin-bottom:14px;padding-bottom:9px;display:flex}._subjectDot_9k8rb_777{background:var(--sub,var(--brand));width:13px;height:13px;box-shadow:0 2px 0 var(--sub-wash,var(--rule));border-radius:5px;flex:none}._subjectName_9k8rb_782{font-family:var(--display);color:var(--ink);letter-spacing:-.01em;margin:0;font-size:20px;font-weight:700}._subjectCount_9k8rb_786{color:var(--ink-3);font-variant-numeric:tabular-nums;margin-left:auto;font-size:13px;font-weight:700}._scopeRow_9k8rb_796{flex-wrap:wrap;gap:8px;margin:0 0 4px;display:flex}._scope_9k8rb_796{font:inherit;cursor:pointer;border:var(--bw) solid var(--rule);background:var(--sheet);color:var(--ink-2);border-radius:999px;align-items:center;gap:7px;padding:7px 13px;font-size:13.5px;font-weight:700;transition:transform .12s,background .12s,border-color .12s;display:inline-flex}._scope_9k8rb_796:hover{border-color:var(--sub,var(--brand))}._scope_9k8rb_796:active{transform:var(--press)}._scopeOn_9k8rb_809{background:var(--sub-wash,var(--brand-wash));border-color:var(--sub,var(--brand));color:var(--ink)}._scope_9k8rb_796 i{background:var(--sub,var(--brand));border-radius:3px;flex:none;width:9px;height:9px}._arrange_9k8rb_825{flex:none;gap:2px;display:inline-flex}._step_9k8rb_827{border:var(--bw) solid var(--rule);border-radius:var(--r-sm);background:var(--sheet);min-width:30px;min-height:30px;color:var(--ink-2);font:inherit;cursor:pointer;place-items:center;padding:0 7px;font-size:17px;font-weight:800;line-height:1;transition:background .14s,border-color .14s,color .14s;display:grid}._step_9k8rb_827:hover:not(:disabled){background:var(--sub-wash,var(--brand-wash));border-color:var(--sub,var(--brand));color:var(--ink)}._step_9k8rb_827:active:not(:disabled){transform:var(--press)}._step_9k8rb_827:disabled{opacity:.35;cursor:default}._moveTo_9k8rb_840{font:inherit;color:var(--ink-2);cursor:pointer;border:var(--bw) solid var(--rule);border-radius:var(--r-sm);background:var(--sheet);flex:1 0 100%;order:3;min-height:30px;padding:6px 8px;font-size:12.5px;font-weight:700}._moveTo_9k8rb_840:hover:not(:disabled){border-color:var(--sub,var(--brand));color:var(--ink)}._moveTo_9k8rb_840:disabled{opacity:.5;cursor:default}._bookFoot_9k8rb_311{flex-wrap:wrap;gap:8px 6px}._arrange_9k8rb_825{order:1}._bookFoot_9k8rb_311 ._danger_9k8rb_509{order:2;margin-left:auto}._booting_9k8rb_866{background:var(--paper);place-items:center;min-height:100vh;display:grid}._srOnly_9k8rb_870{clip-path:inset(50%);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}._readCta_9k8rb_883{flex-wrap:wrap;align-items:stretch;gap:10px;margin:16px 0;display:flex}._readCta_9k8rb_883>*,._readCta_9k8rb_883 ._picturesItem_9k8rb_887{flex:200px;max-width:300px}._reader_9k8rb_889{z-index:90;background:linear-gradient(160deg, var(--deep) 0%, var(--deep-2) 100%);flex-direction:column;display:flex;position:fixed;inset:0}._readerBar_9k8rb_895{padding:12px 16px calc(12px + env(safe-area-inset-top));border-bottom:var(--bw) solid var(--deep-rule);flex-wrap:wrap;align-items:center;gap:10px;display:flex}._readerSpacer_9k8rb_900{flex:1}._readerTool_9k8rb_902{max-width:100%;color:var(--deep-ink);align-items:center;gap:8px;font-size:13.5px;font-weight:600;display:inline-flex}._readerTool_9k8rb_902 ._spin_9k8rb_424{border-width:2px;width:14px;height:14px}._readerBtn_9k8rb_908{cursor:pointer;border:var(--bw) solid var(--deep-rule);border-radius:var(--r-md);color:#fff;min-width:44px;min-height:44px;font:inherit;background:#ffffff14;place-items:center;padding:0 12px;font-size:18px;font-weight:800;line-height:1;display:grid}._readerBtn_9k8rb_908:hover:not(:disabled){background:var(--deep-2)}._readerBtn_9k8rb_908:disabled{opacity:.35;cursor:default}._readerBtnText_9k8rb_917{font-size:14px;font-weight:700}._readerPlay_9k8rb_919{cursor:pointer;border-radius:var(--r-md);background:var(--mark);color:#3d2c00;min-height:44px;font-family:var(--display);box-shadow:0 3px 0 var(--mark-edge);border:0;padding:0 20px;font-size:16.5px;font-weight:800}._readerPlay_9k8rb_919:active:not(:disabled){transform:var(--press);box-shadow:0 1px 0 var(--mark-edge)}._readerPlay_9k8rb_919:disabled{opacity:.6;cursor:default;box-shadow:none}._readerCount_9k8rb_929{font-family:var(--display);color:#fff;font-variant-numeric:tabular-nums;text-align:center;min-width:118px;font-size:15px;font-weight:700}._readerStage_9k8rb_941{flex:1;justify-content:center;align-items:flex-start;min-height:0;padding:14px;scroll-padding:96px 0;display:flex;overflow:hidden auto}._readerPage_9k8rb_948{border-radius:var(--r-md);box-shadow:var(--shadow-lift);background:#fff;flex:none;width:100%;max-width:1240px;line-height:0;position:relative;overflow:hidden}._readerImg_9k8rb_954{width:100%;height:auto;display:block}._readerMark_9k8rb_959{pointer-events:none;background:var(--mark);mix-blend-mode:multiply;border-radius:2px;margin:-2px -3px;padding:2px 3px;position:absolute}@media (prefers-reduced-motion:no-preference){._readerMark_9k8rb_959{transition:left 90ms linear,top 90ms linear,width 90ms linear}}._readerNote_9k8rb_970{padding:10px 16px calc(14px + env(safe-area-inset-bottom));text-align:center;color:var(--deep-ink);opacity:.85;margin:0;font-size:13.5px}@media (width<=560px){._readerCount_9k8rb_929{min-width:0;font-size:13.5px}._readerPlay_9k8rb_919{padding:0 14px;font-size:15px}._readerStage_9k8rb_941{padding:8px}}._spellRow_9k8rb_983{flex-wrap:wrap;gap:6px;margin:4px 0 18px;display:flex}._spellPip_9k8rb_984{background:var(--rule);border-radius:999px;width:26px;height:8px;transition:background .2s,transform .2s}._spellPipDone_9k8rb_988{background:var(--mark)}._spellPipNow_9k8rb_989{background:var(--brand);transform:scaleY(1.6)}._spellPrompt_9k8rb_991{letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3);margin:0 0 12px;font-size:13px;font-weight:800}._spellListening_9k8rb_996{color:var(--ink);align-items:center;gap:9px;margin:0;font-size:16px;font-weight:700;display:flex}._spellDot_9k8rb_997{background:var(--rust);border-radius:50%;width:11px;height:11px;animation:1.1s ease-in-out infinite _pulse_9k8rb_1}@keyframes _pulse_9k8rb_1{50%{opacity:.25;transform:scale(.8)}}@media (prefers-reduced-motion:reduce){._spellDot_9k8rb_997{animation:none}}._spellHeard_9k8rb_1005{letter-spacing:.22em;min-height:34px;color:var(--ink-2);margin:12px 0 0;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:22px}._spellDiff_9k8rb_1012{flex-wrap:wrap;gap:6px;margin:0 0 14px;display:flex}._spellLetter_9k8rb_1013{border-radius:var(--r-sm);min-width:34px;height:42px;font-family:var(--display);place-items:center;font-size:21px;font-weight:800;display:grid}._spellOk_9k8rb_1018{background:var(--mark);color:#3d2c00}._spellBad_9k8rb_1019{background:var(--rust-wash);color:var(--rust);border:var(--bw) solid var(--rust)}._spellVerdict_9k8rb_1021{color:var(--ink);margin:0 0 16px;font-size:16.5px;font-weight:600;line-height:1.5}._spellWords_9k8rb_1022{color:var(--ink-2);margin:0;font-size:16px;line-height:1.9}._readCta_9k8rb_883 ._pictures_9k8rb_887{flex:none;max-width:none;display:contents}._picturesItem_9k8rb_887{flex-direction:column;display:flex}._picturesItem_9k8rb_887 ._picturesNote_9k8rb_1031,._readCta_9k8rb_883>._picturesNote_9k8rb_1031{min-height:44px;margin:0}._pictures_9k8rb_887 ._error_9k8rb_432{margin-top:8px}._picturesNote_9k8rb_1031{color:var(--ink-2);flex-wrap:wrap;align-items:center;gap:8px;margin:12px 0 0;font-size:14px;font-weight:600;display:flex}._textBtn_9k8rb_562{font:inherit;color:var(--brand);cursor:pointer;border-radius:var(--r-sm);background:0 0;border:0;padding:4px 8px;font-size:13px;font-weight:700}._textBtn_9k8rb_562:hover{background:var(--brand-wash)}._textBtn_9k8rb_562:focus-visible{outline:2px solid var(--brand);outline-offset:1px}._bookPictures_9k8rb_1043{flex-direction:column;flex-basis:100%;order:3;gap:2px;display:flex}._bookPicturesLine_9k8rb_1044{color:var(--ink-3);flex-wrap:wrap;align-items:center;gap:4px;font-size:12.5px;font-weight:600;display:flex}._bookPicturesLine_9k8rb_1044 ._spin_9k8rb_424{border-width:2px;width:13px;height:13px}:root{--r-sm:8px;--r-md:14px;--r-lg:20px;--bw:2px}:root,:root[data-theme=workbook]{--ink:#0f172a;--ink-2:#475569;--ink-3:#7c8da6;--rule:#d8e6fb;--rule-soft:#e8f1fe;--paper:#eff6ff;--sheet:#fff;--sheet-2:#f8fbff;--brand:#2563eb;--brand-deep:#1d4ed8;--brand-wash:#dbeafe;--on-brand:#fff;--mark:#ffe9a3;--mark-edge:#f59e0b;--accent:#ec4899;--on-accent:#fff;--amber:#b45309;--amber-wash:#fef3c7;--rust:#dc2626;--rust-wash:#fee2e2;--deep:#1e3a8a;--deep-2:#1e40af;--deep-rule:#2f52a8;--deep-ink:#dbeafe;--ui:"Nunito Sans", ui-sans-serif, system-ui, sans-serif;--display:"Baloo 2", var(--ui);--r-sm:8px;--r-md:14px;--r-lg:20px;--bw:2px;--shadow-lift:0 4px 0 #dbe8fa;--shadow-soft:0 3px 0 #e2ecfb;--btn-shadow:0 4px 0 var(--brand-deep);--press:translateY(2px)}:root[data-theme=ledger]{--ink:#020617;--ink-2:#475569;--ink-3:#94a3b8;--rule:#e2e8f0;--rule-soft:#f1f5f9;--paper:#f8fafc;--sheet:#fff;--sheet-2:#fcfdfe;--brand:#0369a1;--brand-deep:#075985;--brand-wash:#e0f2fe;--on-brand:#fff;--mark:#fef08a;--mark-edge:#ca8a04;--accent:#0369a1;--on-accent:#fff;--amber:#a16207;--amber-wash:#fef9c3;--rust:#b91c1c;--rust-wash:#fee2e2;--deep:#0f172a;--deep-2:#1e293b;--deep-rule:#334155;--deep-ink:#e2e8f0;--ui:"Source Sans 3", ui-sans-serif, system-ui, sans-serif;--display:"Lexend", var(--ui);--r-sm:3px;--r-md:6px;--r-lg:10px;--bw:1px;--shadow-lift:0 1px 2px #0206170d, 0 10px 26px -16px #02061747;--shadow-soft:0 1px 2px 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