:root{--bg:#f6f0e6;--surface:rgba(255,251,245,0.84);--text:#1f1a17;--muted:#6f6257;--accent:#b94d34;--accent-dark:#7d3122;--accent-soft:rgba(185,77,52,0.12);--line:rgba(66,39,20,0.12);--shadow:0 24px 72px rgba(76,40,16,0.14);--radius-lg:24px;--button-control-min-height:2.75rem;--button-control-padding:10px 14px}.dark-mode{--text-color:#bbb;--text-strong-color:#fff;--text-word-hanzi-color:#82abcc;--book-title-color:#82abcc;--text-word-pinyin-color:#f3bf4c;--text-book-genre-color:#7bcfa6;--text-green:#53b76f;--text-blue:#82abcc;--text-yellow:#f3bf4c;--text-red:#d65f5f;--link-button-color:#53b76f;--background-color:#181818;--deeper-background-color:#111;--foreground-background-color:#282828;--part-of-speech-color:#888;--part-of-speech-comma-color:#555;--link-underline-color:#555;--link-color:#4b8dff;--highlight-color:#1b3368;--english-translation-color:#aaa;--kanji-keyword-missing-color:#555;--unfocused-arrow-color:#444;--footer-color:#444;--checkbox-border-color:#444;--checkbox-focused-border-color:#3b7def;--checkbox-background-color:#111;--checkbox-box-shadow-color:#000;--checkbox-focused-box-shadow-color:#3b7def;--checkbox-border-size:2px;--button-background-color:#53b76f;--button-text-color:#ddd;--button-shadow-color:#000;--button-focused-shadow-color:transparent;--button-hover-shadow-color:transparent;--outline-input-color:#4b8dff;--outline-input-button-color:#53b76f;--outline-input-background-color-review:#111;--outline-input-background-color:#171717;--outline-v1-color:#ff3b3b;--deck-index-color:#444;--answer-box-color:#333;--table-border-color:#444;--spelling-box-background-color:#004bbd;--spelling-box-text-color:#d7d7d7;--input-text-color:#aaa;--input-border-color:#3a3a3a;--input-background-color:#191919;--input-box-shadow-color:#111;--input-focused-box-shadow-color:transparent;--resize-handle-color:#666;--scrollbar-color:#3b7def;--scrollbar-background-color:#111;--visible-hr-background:linear-gradient(90deg,rgba(255,255,255,0),rgba(255,255,255,0.35),rgba(255,255,255,0));--burger-color:#999;--mnemonic-main:#1b3368;--mnemonic-component:#333;--background-button-color:#666;--background-button-border-color:#333;--big-shadow-border:#444;--big-shadow-color:#0f0f0f;--kanji-fill-color:#555;--kanji-stroke-color:#000;--progress-bar-background:#333;--progress-bar-foreground:#53b76f;--progress-bar-tooltip:#2F6B3F;--progress-bar-in-progress:var(--text-yellow);--progress-bar-text-shadow:#444;--progress-bar-target-coverage:#000;--review-button-group-shadow:#000;--review-button-group-border:#424242;--bg:var(--background-color);--surface:var(--foreground-background-color);--text:var(--text-color);--muted:var(--english-translation-color);--accent:var(--button-background-color);--accent-dark:var(--link-color);--accent-soft:var(--highlight-color);--line:var(--table-border-color);--shadow:0 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infinite}.skeletonButton,.skeletonIconButton{height:var(--button-control-min-height)}.skeletonIconButton{width:2.75rem}.skeletonBackButton{width:2.75rem;height:2.75rem;border-radius:999px}.skeletonCover{width:100%;max-width:11rem;aspect-ratio:2/3;justify-self:center}.skeletonLine{width:72%;height:.9rem}.skeletonLineTiny{width:5rem}.skeletonLineSmall{width:6.5rem}.skeletonLineTitle{width:52%;height:1.4rem}.skeletonDeckDetail{width:100%}.skeletonProgressBar{width:100%;min-height:1rem;border-radius:4px}.skeletonDefinitionLine{width:min(100%,34rem)}@keyframes skeletonShimmer{to{transform:translateX(100%)}}@media (prefers-reduced-motion:reduce){.skeletonBlock:after{animation:none}}@media (max-width:760px){.skeletonBookEntry{grid-template-columns:1fr}.skeletonButtonRow{grid-template-columns:repeat(2,minmax(5rem,1fr))}.skeletonCover{width:min(100%,9rem)}}.shell{width:min(1180px,calc(100% - 32px));margin:0 auto;padding:28px 0 80px}.shell:has([data-reader-shell]){padding-bottom:1.5rem;--reader-reserve:9rem}.appFrame,.dashboardGrid,.featureGrid,.hero,.metricRow,.reviewGrid,.timeline,.topbar,.twoColumn{display:grid;grid-gap:20px;gap:20px}.topbar{display:flex;justify-content:space-between;align-items:center;gap:16px}@media (min-width:721px){.topbar{margin-bottom:40px}}.brand{display:inline-flex;align-items:center;gap:12px;font-weight:800}.brandMark{display:inline-grid;place-items:center;width:42px;height:42px;border-radius:14px;background:linear-gradient(135deg,var(--accent),#e48642);color:#fff8f4;font-size:1.25rem;box-shadow:var(--shadow)}.nav{gap:18px;color:var(--muted);font-weight:700}.menu,.nav{display:flex;flex-wrap:wrap}.menu{color:var(--text-color);font-family:Nunito Sans,Extra Sans JP,Noto Sans Symbols2,Segoe UI,Noto Sans JP,Noto Sans CJK JP,Hiragino Sans GB,Meiryo,sans-serif;box-sizing:inherit;scrollbar-color:var(--scrollbar-color) var(--scrollbar-background-color);border-bottom:1px solid 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var(--big-shadow-color)}.mobileMenuLink{min-height:var(--button-control-min-height);padding:var(--button-control-padding);border-radius:4px;color:var(--text-color);white-space:nowrap}.mobileMenuLink:focus-visible,.mobileMenuLink:hover{color:var(--text-strong-color);background:var(--deeper-background-color);outline:none}.nav-item{color:var(--text-color);padding:var(--button-control-padding);border-radius:8px;border:1px solid transparent;background:transparent;transition:background-color .15s ease,border-color .15s ease,color .15s ease}.nav-item:focus-visible,.nav-item:hover{color:var(--text-strong-color);background:var(--foreground-background-color);outline:none}.userMenu{position:relative}.userMenuButton{-webkit-appearance:none;-moz-appearance:none;appearance:none;display:inline-flex;width:2.75rem;height:2.75rem;align-items:center;justify-content:center;border:none;border-radius:6px;background:var(--foreground-background-color);color:var(--text-strong-color);cursor:pointer;list-style:none;outline:none;-webkit-user-select:none;-moz-user-select:none;user-select:none;opacity:.8}.userMenuButton:focus-visible,.userMenuButton:hover{opacity:1;box-shadow:none}.userMenuDropdown{min-width:9.5rem;padding:.2rem;position:absolute;right:0;z-index:20;display:grid;margin-top:.5rem;border-radius:6px;background:var(--foreground-background-color);box-shadow:0 12px 28px var(--big-shadow-color)}.userMenuDropdown a{min-height:var(--button-control-min-height);padding:var(--button-control-padding);border-radius:4px;color:var(--text-color);white-space:nowrap}.userMenuDropdown a:focus-visible,.userMenuDropdown a:hover{background:var(--deeper-background-color);color:var(--text-strong-color);outline:none}.authPage{display:flex;justify-content:center;padding:2rem 1rem}.authCard{width:min(100%,30rem);border:1px solid var(--input-border-color);border-radius:6px;background:var(--foreground-background-color)}.p-card-body{display:grid;grid-gap:1rem;gap:1rem;padding:1.25rem}.p-card-title{color:var(--text-strong-color);font-size:1.25rem;font-weight:700}.p-card-content{display:grid;grid-gap:1rem;gap:1rem}.authForm{display:flex;flex-direction:column;gap:1.75rem;padding-top:.9rem}.p-floatlabel{position:relative;display:block;width:100%;padding-top:1.1rem}.p-floatlabel label{position:absolute;left:0;top:.1rem;padding:0 .25rem;background:var(--foreground-background-color);color:var(--english-translation-color);font-size:.8rem;line-height:1;pointer-events:none}.p-inputtext{width:100%;height:48px;border:1px solid var(--input-border-color);border-radius:6px;background:var(--input-background-color);color:var(--input-text-color);padding:0 .9rem;font:inherit}.p-inputtext:focus{border-color:var(--input-focused-border-color);box-shadow:0 0 0 1px var(--outline-input-shadow-color);outline:none}.passwordInputWrap{position:relative;display:block}.passwordField{display:grid;grid-gap:.5rem;gap:.5rem}.passwordInputWrap .p-inputtext{padding-right:3rem}.passwordToggle{position:absolute;right:.55rem;top:50%;display:inline-flex;width:2rem;height:2rem;align-items:center;justify-content:center;transform:translateY(-50%);border:0;border-radius:50%;background:transparent;cursor:pointer;padding:0}.passwordToggle img{width:1.35rem;height:1.35rem}.passwordToggle:focus-visible,.passwordToggle:hover{background:var(--deeper-background-color);outline:none}.authCentered{display:flex;justify-content:center}.authFullButton{width:100%}.authLinks{text-align:center}.authCheckbox{display:flex;align-items:flex-start;gap:.7rem;color:var(--text-color);font-size:.92rem;line-height:1.45}.authCheckbox input{margin-top:.2rem}.authError{border:1px solid var(--text-red);border-radius:6px;color:var(--text-red)}.authError,.authNotice{background:var(--deeper-background-color);padding:.8rem 1rem}.authNotice{border:1px solid var(--input-border-color);border-radius:6px;color:var(--text-color);display:grid;grid-gap:.5rem;gap:.5rem}.fieldError{color:var(--text-red);font-size:.85rem;line-height:1.35}.pinyinModeSwitch{display:inline-grid;grid-template-columns:minmax(6.5rem,1fr) 2.25rem 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var(--scrollbar-background-color);margin:0}.chapterWordControls{--search-sort-control-height:var(--button-control-min-height);display:flex;align-items:center;gap:.75rem}.searchField{flex:1 1}.searchField,.sortField{position:relative;height:var(--search-sort-control-height,var(--button-control-min-height))}.sortField{display:inline-flex;width:min(100%,16rem);flex:0 0 16rem}.pageSelectWrap{position:relative;width:100%}.pageSelect{width:100%;-webkit-appearance:none;-moz-appearance:none;appearance:none;min-height:3rem;border:1px solid var(--input-border-color);border-radius:6px;background:var(--input-background-color);color:var(--input-text-color);font:inherit;cursor:pointer;padding:.75rem 2.5rem .75rem .9rem;box-shadow:inset 0 1px 2px var(--input-box-shadow-color);transition:border-color .15s ease,box-shadow .15s ease}.sortField .pageSelect{height:100%;min-height:var(--search-sort-control-height,var(--button-control-min-height));padding:.9rem 2.5rem .25rem .85rem}.pageSelectWrap:after,.sortField:after{content:"";position:absolute;right:.9rem;top:50%;width:.5rem;height:.5rem;border-bottom:2px solid var(--input-text-color);border-right:2px solid var(--input-text-color);pointer-events:none;transform:translateY(-65%) rotate(45deg)}.sortField span{position:absolute;left:.85rem;top:.25rem;color:var(--english-translation-color);font-size:.72rem;line-height:1;pointer-events:none}.pageSelect:focus{border-color:var(--input-focused-border-color);box-shadow:0 0 0 1px var(--outline-input-shadow-color);outline:none}.sortSelectControl{--search-sort-control-height:var(--button-control-min-height);display:grid;grid-template-columns:minmax(0,1fr) var(--search-sort-control-height);align-items:center;grid-gap:.75rem;gap:.75rem;height:var(--search-sort-control-height);min-width:0}.sortDirectionButton{display:inline-flex;align-items:center;justify-content:center;width:var(--search-sort-control-height,var(--button-control-min-height));height:var(--search-sort-control-height,var(--button-control-min-height));min-height:var(--search-sort-control-height,var(--button-control-min-height));border-radius:6px;background:var(--outline-input-button-color);color:var(--text-strong-color);cursor:pointer;border:none;padding:0}.sortDirectionButton .buttonIcon{width:1.2rem;height:1.2rem}.searchField input[type=text]{width:100%;height:var(--search-sort-control-height,var(--button-control-min-height));min-height:var(--search-sort-control-height,var(--button-control-min-height));padding:0 22px;border:1px solid var(--input-border-color);border-radius:6px;background:var(--input-background-color);color:var(--input-text-color);font-size:1rem;box-shadow:inset 0 1px 2px var(--input-box-shadow-color)}.searchField input[type=text]:focus{outline:none;border-color:var(--input-focused-border-color);box-shadow:0 0 0 1px var(--outline-input-shadow-color)}.staffBookCreateButton{flex:0 0 auto;width:var(--button-control-min-height);padding:0}.staffBookCreateButtonIcon{position:relative;display:inline-block;width:1rem;height:1rem}.staffBookCreateButtonIcon:after,.staffBookCreateButtonIcon:before{content:"";position:absolute;left:50%;top:50%;width:.8rem;height:2px;border-radius:999px;background:currentColor;transform:translate(-50%,-50%)}.staffBookCreateButtonIcon:after{transform:translate(-50%,-50%) rotate(90deg)}.createMediaModal{width:min(100%,30rem)}.createMediaPreviewHeader{display:flex;align-items:center;gap:.65rem;min-width:0}.createMediaPreview{display:grid;grid-template-columns:8rem minmax(0,1fr);grid-gap:1rem;gap:1rem;min-height:19rem}.createMediaPreviewCover{display:flex;justify-content:center;min-width:0}.createMediaPreviewCover img,.createMediaPreviewCoverPlaceholder{width:8rem;max-width:100%;aspect-ratio:2/3;border:1px solid var(--input-border-color);border-radius:6px;object-fit:cover;background:var(--input-background-color)}.createMediaPreviewCoverPlaceholder{display:grid;place-items:center;color:var(--english-translation-color);font-size:.85rem;text-align:center}.createMediaPreviewChapters{display:grid;grid-template-rows:auto minmax(0,1fr);grid-gap:.65rem;gap:.65rem;min-width:0;min-height:0}.createMediaPreviewMeta{color:var(--english-translation-color);font-size:.9rem}.createMediaPreviewChapterList{display:grid;align-content:start;grid-gap:.45rem;gap:.45rem;max-height:18rem;overflow:auto;padding-right:.25rem}.createMediaPreviewChapter{display:grid;grid-template-columns:2rem 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.createMediaFileControl{border-color:var(--input-focused-border-color);box-shadow:0 0 0 1px var(--outline-input-shadow-color);outline:none}.createMediaFileField{display:grid;grid-gap:.45rem;gap:.45rem;color:var(--english-translation-color);font-size:.9rem}.createMediaFileControl{position:relative;min-height:var(--button-control-min-height);display:flex;align-items:center;justify-content:space-between;gap:.75rem;border:1px solid var(--input-border-color);border-radius:6px;background:var(--input-background-color);color:var(--text-color);cursor:pointer;padding:.65rem .9rem}.createMediaFileTitle{color:var(--text-strong-color);font-weight:700;white-space:nowrap}.createMediaFileName{min-width:0;max-width:100%;color:var(--english-translation-color);font-size:.9rem;text-align:right;overflow-wrap:anywhere}.createMediaFileInput{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);-webkit-clip-path:inset(50%);clip-path:inset(50%);white-space:nowrap}.createMediaActions{display:flex;justify-content:flex-end;gap:.75rem;flex-wrap:wrap}.createMediaActions .outlineLink{cursor:pointer}.createMediaSubmitButton{background-color:var(--link-button-color);color:var(--text-strong-color)}.searchSubmit{position:absolute;left:-9999px;width:1px;height:1px;padding:0;border:0}.bookList{grid-template-columns:1fr;grid-gap:2rem}.bookEntry,.bookList{display:grid;gap:2rem}.bookEntry{grid-template-columns:minmax(8.5rem,11rem) minmax(0,1fr);align-items:start;grid-gap:2rem;padding:1rem;border:1px solid var(--input-border-color);border-radius:6px;background:transparent;transition:background-color .15s ease,border-color .15s ease}.bookEntryAdded{border-left-width:3px;border-left-color:var(--text-green)}.bookEntry:focus-within,.bookEntry:hover{background:var(--foreground-background-color)}.bookCoverColumn{display:flex;flex-direction:column;align-items:center}.bookCoverWrap{width:100%;display:flex;justify-content:center}.bookCover{max-height:17rem;max-width:11rem}.bookCoverPlaceholder{width:11rem;height:17rem;border:1px solid var(--border-color);background:var(--foreground-background-color)}.bookMenuRow{display:flex;justify-content:center}.bookInfoColumn{display:flex;flex-direction:column;align-items:flex-start;min-width:0;height:100%}.bookMetaRow{display:flex;width:100%;justify-content:space-between;gap:1rem}.bookMetaRight,.bookMetaRow{align-items:center;flex-wrap:wrap}.bookMetaRight{display:inline-flex;justify-content:flex-end;gap:.65rem}.bookType{font-size:.9rem;color:var(--text-book-genre-color)}.bookChapterCount{color:var(--english-translation-color);font-size:.9rem;text-align:right}.iconButton{--icon-button-size:1.5rem;--icon-button-border-color:var(--input-border-color);--icon-button-background:var(--outline-input-background-color);--icon-button-color:var(--text-color);--icon-button-hover-border-color:var(--text-strong-color);--icon-button-hover-background:var(--foreground-background-color);--icon-button-hover-color:var(--text-strong-color);-webkit-appearance:none;-moz-appearance:none;appearance:none;display:inline-flex;align-items:center;justify-content:center;width:var(--icon-button-size);height:var(--icon-button-size);border:1px solid var(--icon-button-border-color);border-radius:6px;background:var(--icon-button-background);color:var(--icon-button-color);cursor:pointer;font:inherit;padding:0}.iconButton:focus-visible,.iconButton:hover{border-color:var(--icon-button-hover-border-color);background:var(--icon-button-hover-background);color:var(--icon-button-hover-color);outline:none}.iconButton:disabled{cursor:not-allowed;opacity:.72}.iconButton .buttonIcon{width:1.15rem;height:1.15rem}.bookLinkIconButton,.paginationIconLink{--icon-button-size:var(--button-control-min-height);--icon-button-border-color:var(--text-green);--icon-button-background:transparent;--icon-button-color:var(--text-green);--icon-button-hover-border-color:var(--text-green);--icon-button-hover-background:var(--link-button-color);--icon-button-hover-color:var(--text-strong-color);flex:0 0 auto;text-decoration:none}.bookExportIconButton{--icon-button-border-color:color-mix(in srgb,var(--text-green) 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