/* Use installed serif fonts; reading must not wait for a remote font stylesheet. */
/* Keep bundled page coverage separate from translations saved on this device. */
.card-translation-extra { display: block; font: inherit; color: var(--muted); }
.card-translation-extra[hidden] { display: none; }
.card-bottom .bilingual { min-width: 0; overflow-wrap: anywhere; }
.card-bottom > span:last-child { flex-shrink: 0; }
:root{--bg:#f8f7f2;--panel:#fffefa;--side:#efeee6;--ink:#293b33;--muted:#7a8178;--line:#e2e3d9;--green:#355b48;--soft:#e6ecdf;--orange:#bb7755;--jp:23px;--zh:16px;--serif:'Noto Serif JP','Noto Serif SC','Yu Mincho','SimSun',serif;--shadow:0 12px 40px #1e37200b}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:14px/1.6 -apple-system,BlinkMacSystemFont,'Segoe UI','Microsoft YaHei',sans-serif}body[data-theme=night]{--bg:#1d2722;--panel:#26312a;--side:#18221c;--ink:#e4e9df;--muted:#a1b09f;--line:#3b483d;--green:#a0c3a3;--soft:#324536;--orange:#d5a58a}body[data-theme=white]{--bg:#fff;--panel:#fff;--side:#f5f7f6;--line:#e5eae6}button,input,select,textarea{font:inherit}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}button{cursor:pointer;color:inherit}button{border:0;background:none}button:disabled{opacity:.45;cursor:not-allowed}a{color:var(--green);text-underline-offset:3px}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,[tabindex]:focus-visible{outline:2px solid var(--green);outline-offset:4px}svg{width:19px;height:19px;flex-shrink:0;vertical-align:middle}h1,h2,h3,p{margin:0}h1,h2,h3{font-weight:500}small,.muted{color:var(--muted)}.serif{font-family:var(--serif)}.loading{display:grid;place-content:center;min-height:90vh;font:40px var(--serif);gap:18px}.loading span{font:14px sans-serif}.sidebar{position:fixed;inset:0 auto 0 0;width:218px;background:var(--side);border-right:1px solid var(--line);padding:33px 22px;display:flex;flex-direction:column;z-index:20}.brand{display:flex;gap:12px;align-items:center;padding:0 7px 36px;text-align:left}.brand-mark{display:grid;place-items:center;width:40px;height:44px;background:var(--green);color:var(--bg);font:26px var(--serif);border-radius:9px 3px 9px 3px}.brand strong{font:24px var(--serif);letter-spacing:3px}.brand small{display:block;font-size:9px;letter-spacing:2.6px;margin-top:1px}.nav-label{font-size:10px;letter-spacing:2px;color:var(--muted);margin:12px 13px}.nav-btn{display:flex;align-items:center;gap:13px;width:100%;padding:12px 15px;margin-bottom:5px;border-radius:7px;font-size:13px;text-align:left}.nav-btn.active{background:var(--green);color:var(--bg)}.nav-btn:not(.active):hover{background:var(--soft)}.nav-btn span.count{margin-left:auto;font-size:10px;opacity:.65}.side-bottom{margin-top:auto}.side-quote{font-family:var(--serif);padding:23px 13px 25px;font-size:13px;line-height:2.1;border-top:1px solid var(--line)}.side-quote small{font-family:inherit;font-size:10px}.storage-note{font-size:10px;color:var(--muted);text-align:center;padding-top:14px}.main-shell{margin-left:218px}.topbar{height:78px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding:0 48px;gap:14px}.topbar .eyebrow{font-size:11px;letter-spacing:1.4px;color:var(--muted)}.top-actions{display:flex;align-items:center;gap:18px}.saved-state{font-size:11px;color:var(--muted)}.saved-state:before{content:'';display:inline-block;width:5px;height:5px;background:#7d9579;border-radius:50%;margin-right:6px}.circle-btn{display:grid;place-items:center;border:1px solid var(--line);border-radius:50%;width:35px;height:35px}.avatar{background:var(--soft);border-radius:50%;width:32px;height:32px;display:grid;place-items:center;font-family:var(--serif);font-size:14px}.page{max-width:1440px;margin:auto;padding:37px 48px 50px}.eyebrow{font-size:10px;letter-spacing:2.2px;text-transform:uppercase}.hero{display:grid;grid-template-columns:1.2fr 1fr;min-height:260px;align-items:center;border-bottom:1px solid var(--line);padding-bottom:30px;gap:30px}.hero h1{font-family:var(--serif);font-size:clamp(30px,3.3vw,47px);line-height:1.65;letter-spacing:1px;margin:12px 0 10px}.hero h1 em{font-style:normal;color:var(--green)}.hero p{color:var(--muted);font-size:13px;line-height:1.9;max-width:430px}.hero-art{height:235px;position:relative;overflow:hidden;background:#e8eade;border-radius:100px 100px 10px 10px;max-width:380px;width:100%;justify-self:end}.hero-art:before{content:'';position:absolute;width:170px;height:170px;border-radius:50%;background:#d3dbc7;top:15px;left:70px}.hero-art .sun{width:65px;height:65px;border-radius:50%;background:#e5c29a;position:absolute;right:28px;top:24px}.hero-art .line{position:absolute;left:20px;right:20px;bottom:25px;border-top:1px solid #87977e}.art-book{position:absolute;bottom:26px;width:91px;height:153px;box-shadow:5px 6px 10px #2d4a3025;border-radius:2px 5px 5px 2px;border-left:7px solid #ffffff21;display:flex;align-items:center;justify-content:center;gap:10px;font-family:var(--serif);writing-mode:vertical-rl;font-size:22px}.art-book small{font-size:8px;color:inherit;letter-spacing:3px}.art-book.a{left:70px;background:#476451;color:#f3f0de;transform:rotate(-13deg);bottom:32px}.art-book.b{left:161px;background:#eee7cc;color:#59604a;transform:rotate(9deg);height:165px}.art-book.b:after{content:'';position:absolute;width:45px;height:45px;border:1px solid #9ba287;border-radius:50%;bottom:17px;left:16px}.art-stem{position:absolute;right:12px;bottom:26px;width:40px;height:120px;border-left:2px solid #778973;transform:rotate(22deg)}.art-stem:before,.art-stem:after{content:'';position:absolute;width:24px;height:47px;background:#91a08a;border-radius:100% 0 100% 0;top:12px;left:-25px}.art-stem:after{left:2px;top:42px;transform:scaleX(-1)}.info-row{display:flex;align-items:center;gap:28px;margin:20px 0 32px}.info-item{display:flex;gap:9px;align-items:baseline;color:var(--muted);font-size:11px}.info-item strong{font-size:20px;font-weight:500;color:var(--ink);font-family:var(--serif)}.info-row .spacer{flex:1}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 16px;border:1px solid var(--line);border-radius:6px;background:var(--panel);font-size:12px;white-space:nowrap}.btn:hover{border-color:var(--green);background:var(--soft)}.btn.primary{background:var(--green);border-color:var(--green);color:var(--bg)}.btn.small{padding:6px 10px;font-size:11px}.section-head{display:flex;justify-content:space-between;align-items:center;margin:20px 0;gap:20px}.section-head h2{font:23px var(--serif)}.section-head p{font-size:12px;color:var(--muted);margin-top:6px}.filters{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:25px}.chip{font-size:12px;border:1px solid transparent;border-radius:5px;padding:7px 13px;color:var(--muted)}.chip.active{background:var(--soft);color:var(--green)}.chip:hover{background:var(--soft)}.search-wrap{position:relative;display:flex;align-items:center;gap:8px;border:1px solid var(--line);background:var(--panel);border-radius:5px;padding:8px 12px;width:240px;margin-left:auto}.search-wrap svg{width:15px;color:var(--muted)}.search-wrap input{min-width:0;width:100%;border:none;outline:none;background:transparent;color:var(--ink);font-size:12px}select{background:var(--panel);color:var(--ink);border:1px solid var(--line);border-radius:5px;padding:9px;font-size:12px}.grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:27px 24px}.book-card{min-width:0;text-align:left;padding:0;display:block}.book-card:hover .cover{transform:translateY(-4px);box-shadow:0 12px 20px #1e372015}.cover{height:228px;position:relative;overflow:hidden;padding:22px;display:flex;flex-direction:column;background:#cad6c0;color:#304435;border-radius:3px 6px 6px 3px;border-left:6px solid #00000010;transition:.2s}.cover:after{content:'';position:absolute;inset:9px;border:1px solid currentColor;opacity:.18;pointer-events:none}.cover .cover-id{font-size:8px;letter-spacing:2px;opacity:.6;z-index:2}.cover-title{font-family:var(--serif);font-size:clamp(20px,1.9vw,27px);line-height:1.5;position:relative;z-index:2;margin-top:20px;max-width:85%}.cover-author{font-size:10px;letter-spacing:2px;z-index:2;margin-top:auto}.cover-motif{position:absolute;right:20px;bottom:28px;width:95px;height:95px;border:1px solid currentColor;opacity:.18;border-radius:50%;box-shadow:0 -13px 0 -1px #ffffff15,0 -26px 0 -1px #ffffff15}.cover-motif:before{content:'';position:absolute;left:46%;bottom:0;width:1px;height:130px;background:currentColor;transform:rotate(20deg)}.cover-motif:after{content:'';position:absolute;left:18px;top:30px;width:40px;height:17px;border:1px solid currentColor;border-radius:100% 0 100% 0;transform:rotate(-20deg)}.cover.clay{background:#d5b3a0;color:#563e34}.cover.ochre{background:#d9cca4;color:#655235}.cover.blue{background:#bdcdd1;color:#3c525b}.cover.olive{background:#c9ccac;color:#4b5238}.cover.ink{background:#445a56;color:#ede9d6}.cover.blue .cover-motif{border-radius:0 70% 0 70%;transform:rotate(30deg)}.cover.ochre .cover-motif{border-radius:50% 50% 0 0}.cover.clay .cover-motif{border-radius:20% 80% 20% 80%}.book-meta{display:flex;gap:8px;align-items:center;margin-top:13px;font-size:10px;color:var(--muted)}.level{display:inline-block;font-size:9px;line-height:1.3;padding:3px 5px;border:1px solid var(--line);border-radius:3px;color:var(--green)}.book-card h3{font:16px var(--serif);margin-top:7px}.book-card .subtitle{font-size:11px;color:var(--muted);margin-top:4px}.card-bottom{display:flex;justify-content:space-between;gap:5px;margin-top:10px;font-size:10px;color:var(--muted)}.card-bottom .bilingual{color:var(--green)}.card-progress{height:2px;background:var(--line);margin-top:10px}.card-progress i{display:block;height:100%;background:var(--green)}.empty{padding:70px 20px;text-align:center;color:var(--muted);grid-column:1/-1}.empty h3{font:24px var(--serif);color:var(--ink);margin:12px 0}.empty p{margin:10px 0 20px}.library-footer{margin-top:40px;border-top:1px solid var(--line);padding-top:20px;color:var(--muted);font-size:11px;display:flex;justify-content:space-between;gap:15px}.continue{display:flex;align-items:center;gap:15px;background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:16px 20px;margin-bottom:24px}.continue .btn{margin-left:auto}.continue small{display:block}.continue strong{font-family:var(--serif);font-size:17px;font-weight:500}.mini-cover{width:40px;height:53px;background:var(--soft);display:grid;place-items:center;font-family:var(--serif);border-left:4px solid #0000000a}.reader-toolbar{position:sticky;top:0;background:var(--bg);z-index:15;border-bottom:1px solid var(--line);display:flex;gap:12px;align-items:center;padding:13px 30px}.reader-toolbar .back{font-size:12px;display:flex;align-items:center;gap:8px;margin-right:auto}.reader-toolbar .back span{max-width:150px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.mode-control{display:flex;border:1px solid var(--line);border-radius:5px;padding:3px}.mode-control button{font-size:11px;padding:5px 10px;border-radius:3px;color:var(--muted)}.mode-control .active{background:var(--soft);color:var(--green)}.reader{max-width:1160px;margin:auto;padding:34px 45px 65px}.reader-title{padding:0 0 30px}.reader-title .eyebrow{color:var(--green)}.reader-title h1{font:36px/1.6 var(--serif);margin:10px 0}.reader-title .book-sub{display:flex;gap:12px;align-items:center;font-size:12px;color:var(--muted);flex-wrap:wrap}.reader-help{display:flex;gap:10px;align-items:flex-start;font-size:11px;color:var(--muted);margin:22px 0 0}.reader-help svg{width:15px;height:15px;margin-top:2px}.reading-head,.pair{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(0,1fr);gap:40px}.reading-head{padding-bottom:15px;border-bottom:1px solid var(--line);font-size:10px;letter-spacing:2px;color:var(--muted)}.reading-head span:last-child{border-left:2px solid var(--line);padding-left:22px}.pair{position:relative;padding:24px 0;border-bottom:1px solid var(--line);border-radius:3px;scroll-margin-top:95px;transition:background .2s}.pair.selected{background:var(--panel)}.pair .ja{font-family:var(--serif);font-size:var(--jp);line-height:2.35;letter-spacing:.035em;word-break:normal;overflow-wrap:anywhere;padding:0 4px 0 20px;position:relative;cursor:pointer}.pair .num{position:absolute;left:-10px;top:10px;font:9px sans-serif;color:var(--muted);letter-spacing:0}.pair.selected .num{color:var(--green)}.pair .zh{font-size:var(--zh);line-height:1.95;color:var(--ink);padding:6px 3px 8px 22px;border-left:2px solid var(--line);align-self:stretch}.pair.selected .zh{border-color:var(--green)}.pair .zh p{white-space:pre-wrap}.zh .tag{display:block;color:var(--muted);font-size:9px;letter-spacing:1px;margin-bottom:6px}.para-actions{display:flex;align-items:center;gap:5px;margin:10px 0 0}.para-actions button{color:var(--muted);font-size:10px;padding:4px 6px;display:inline-flex;align-items:center;gap:4px}.para-actions button:hover{color:var(--green);background:var(--soft);border-radius:4px}.para-actions svg{width:14px;height:14px}.word{cursor:pointer;border-bottom:1px dotted #718b6a66;border-radius:2px;line-height:inherit;color:inherit;background:none;padding:0;display:inline;font:inherit;letter-spacing:inherit}.word:hover{background:var(--soft);color:var(--green)}ruby{ruby-position:over}rt{font:10px/1.2 sans-serif;letter-spacing:.07em;color:var(--muted)}.no-ruby rt{visibility:hidden}.mode-focus .pair:not(.selected) .zh-content{visibility:hidden}.mode-focus .pair:not(.selected) .zh:after{content:'点击左侧段落，展开译文';display:block;color:var(--muted);font-size:11px}.mode-original .pair,.mode-original .reading-head{grid-template-columns:1fr;max-width:800px;margin:auto}.mode-original .zh,.mode-original .reading-head span:last-child{display:none}.reader-bottom{display:flex;justify-content:space-between;align-items:center;padding:30px 0;gap:15px}.source{font-size:11px;color:var(--muted);line-height:1.9;border-top:1px solid var(--line);padding:20px 0;overflow-wrap:anywhere}.source details{margin-top:12px}.grammar{background:var(--soft);border-radius:6px;padding:20px 24px;margin:22px 0}.grammar h3{font-family:var(--serif);margin-bottom:12px}.grammar-item{font-size:13px;margin-top:12px;line-height:1.9}.grammar-item strong{font-weight:500;margin-right:14px;color:var(--green)}.reader-progress{height:3px;background:var(--line);position:fixed;bottom:0;left:218px;right:0;z-index:25}.reader-progress i{height:100%;background:var(--green);display:block}.reader-status{font-size:11px;color:var(--muted);white-space:nowrap}.page-title{font:32px var(--serif);margin-bottom:12px}.page-intro{color:var(--muted);font-size:13px;margin-bottom:30px}.word-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.word-item{background:var(--panel);border:1px solid var(--line);padding:22px;border-radius:7px}.word-item .line{display:flex;justify-content:space-between;align-items:center;gap:12px}.word-item h3{font:25px var(--serif)}.word-item .reading{font-size:12px;color:var(--muted);margin:3px 0 12px}.word-item .meaning{font-size:14px}.word-item .context{font:13px/1.9 var(--serif);color:var(--muted);padding-top:16px}.word-item .source-line{display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--line);padding-top:12px;margin-top:15px;font-size:10px;color:var(--muted)}.history-row{display:flex;gap:18px;align-items:center;padding:22px 0;border-bottom:1px solid var(--line)}.history-row .text{flex:1}.history-row h3{font:20px var(--serif);margin-bottom:7px}.history-row .mini-cover{height:70px;width:55px}.history-row .progress{width:130px}.progress-bar{height:4px;background:var(--line);margin:8px 0}.progress-bar i{height:100%;background:var(--green);display:block}.summary-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin:24px 0 35px}.stat-card{padding:25px;background:var(--panel);border:1px solid var(--line);border-radius:7px}.stat-card strong{font:32px var(--serif);display:block}.stat-card small{font-size:12px}dialog{color:var(--ink);background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:30px;width:min(570px,calc(100vw - 32px));max-height:88vh;box-shadow:0 25px 100px #182b2030}dialog::backdrop{background:#1b2c2655;backdrop-filter:blur(3px)}.dialog-head{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:20px}.dialog-head h2{font:24px var(--serif)}.dialog-head button{padding:3px}.dialog-note{font-size:12px;color:var(--muted);line-height:1.9;margin-bottom:20px}.field{margin:20px 0}.field label{display:block;font-size:12px;color:var(--muted);margin-bottom:8px}.field input[type=text],.field textarea{width:100%;border:1px solid var(--line);border-radius:6px;padding:10px 12px;background:var(--bg);color:var(--ink)}.field textarea{min-height:135px;resize:vertical;line-height:1.8;font-size:13px}.field input[type=range]{width:100%;accent-color:var(--green)}.file-drop{border:1px dashed #adbca8;border-radius:8px;background:var(--bg);padding:24px;text-align:center;position:relative;margin:20px 0}.file-drop h3{font-size:14px;margin:8px 0}.file-drop input{width:100%;margin-top:14px;font-size:12px}.file-drop small{font-size:10px}.dialog-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:23px}.settings-row{display:flex;align-items:center;justify-content:space-between;gap:20px;margin:20px 0;font-size:13px}.theme-buttons{display:flex;gap:8px}.theme-btn{border:1px solid var(--line);border-radius:6px;padding:10px 15px}.theme-btn.active{outline:2px solid var(--green);outline-offset:1px}.toggle{accent-color:var(--green);width:18px;height:18px}.engine-status{padding:12px 15px;border-radius:5px;background:var(--soft);font-size:11px;line-height:1.8}.danger{color:#b16c53}.toast{opacity:1!important;transform:translate(-50%,0)!important}#toast{position:fixed;bottom:28px;left:50%;transform:translate(-50%,12px);opacity:0;transition:.2s;background:var(--ink);color:var(--bg);padding:12px 22px;border-radius:7px;font-size:12px;z-index:100;pointer-events:none;max-width:90vw;text-align:center}#word-pop{position:fixed;z-index:40;width:310px;background:var(--panel);border:1px solid var(--line);box-shadow:0 18px 60px #182b2030;border-radius:9px;padding:22px;max-height:65vh;overflow:auto}#word-pop h3{font:28px var(--serif);margin-bottom:2px}#word-pop .reading{color:var(--muted);font-size:12px}#word-pop .meaning{margin:16px 0 20px;font-size:14px}#word-pop .word-top{display:flex;align-items:center;justify-content:space-between}#word-pop .context{font:12px/1.8 var(--serif);margin:10px 0;color:var(--muted)}.flashcard{padding:40px 20px;text-align:center;background:var(--bg);border:1px solid var(--line);border-radius:8px}.flashcard .term{font:38px var(--serif);margin:20px}.flashcard .answer{padding:20px;font-size:16px;min-height:85px}.review-count{font-size:11px;color:var(--muted);text-align:center}.import-status{font-size:12px;color:var(--green);line-height:1.8;white-space:pre-line}.plain-link{font-size:12px;color:var(--green);text-decoration:underline;text-underline-offset:3px}.mobile-brand{display:none}.reading-note{margin-top:12px;color:var(--muted);font-size:11px}.doc-banner{padding:25px;background:var(--soft);border-radius:7px;margin-bottom:25px;display:flex;gap:20px;align-items:center}.doc-banner h3{font:19px var(--serif);margin-bottom:7px}.doc-banner p{font-size:12px;line-height:1.9;color:var(--muted)}.doc-banner .btn{margin-left:auto}.button-row{display:flex;gap:10px;flex-wrap:wrap}.note-preview{margin-top:12px;padding:10px 12px;background:var(--soft);font-size:12px;line-height:1.9;border-radius:4px;white-space:pre-wrap}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}
@media(min-width:1500px){.grid{grid-template-columns:repeat(5,minmax(0,1fr))}.cover{height:247px}}
@media(max-width:1100px){.sidebar{width:180px;padding:28px 14px}.main-shell{margin-left:180px}.reader-progress{left:180px}.page{padding:28px 30px}.topbar{padding:0 30px}.grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:24px 18px}.hero h1{font-size:33px}.hero-art{height:215px}.art-book.a{left:35px}.art-book.b{left:124px}.reader{padding:28px}.reading-head,.pair{gap:24px}.reader-toolbar{padding:12px 20px;gap:7px}.reader-toolbar .btn{padding:7px 10px}.mode-control button{padding:5px 6px}.topbar .eyebrow{font-size:10px}.saved-state{display:none}}
@media(max-width:800px){.sidebar{width:75px;padding:25px 10px;align-items:center}.brand{padding:0 0 28px}.brand>span:last-child,.nav-label,.nav-btn>span,.side-quote,.storage-note{display:none}.nav-btn{padding:12px;justify-content:center;width:46px}.side-bottom{width:46px}.main-shell{margin-left:75px}.reader-progress{left:75px}.brand-mark{width:36px;height:40px}.hero-art{height:200px}.hero h1{font-size:29px}.hero{grid-template-columns:1.2fr .8fr;gap:15px}.art-book{width:73px;height:127px;font-size:20px}.art-book.a{left:20px;bottom:30px}.art-book.b{left:95px;height:140px}.hero-art .sun{right:12px;width:45px;height:45px}.art-stem{display:none}.info-row{gap:17px;flex-wrap:wrap}.info-item strong{font-size:18px}.search-wrap{width:190px}.cover{height:200px;padding:17px}.cover-title{font-size:23px}.reader-toolbar{flex-wrap:wrap}.reader-toolbar .back{width:calc(100% - 150px)}.reader-toolbar .reader-status{order:0}.reader-toolbar .mode-control{order:2}.reader-toolbar .btn{order:3}.reader-title h1{font-size:30px}.reading-head,.pair{grid-template-columns:1.5fr 1fr;gap:22px}.pair .zh{padding-left:16px}.pair .ja{padding-left:8px;font-size:21px}.reader{padding:30px 24px}.word-list{grid-template-columns:1fr}.summary-stats{gap:10px}.stat-card{padding:18px}.top-actions{gap:10px}}
@media(max-width:580px){.sidebar{position:fixed;top:auto;bottom:0;left:0;right:0;width:auto;height:65px;padding:4px 12px;flex-direction:row;justify-content:space-around;border-top:1px solid var(--line);z-index:30}.sidebar .brand,.sidebar .side-bottom{display:none}.sidebar nav{display:contents}.nav-btn{width:65px;flex-direction:column;gap:2px;padding:7px 4px;margin:0;border-radius:6px;font-size:9px}.nav-btn>span{display:block}.nav-btn .count{display:none!important}.nav-btn svg{width:18px;height:18px}.main-shell{margin-left:0;padding-bottom:65px}.topbar{height:62px;padding:0 20px}.topbar .eyebrow{display:none}.mobile-brand{display:block;font:21px var(--serif);letter-spacing:3px}.page{padding:24px 20px}.hero{min-height:230px;grid-template-columns:1fr .65fr;gap:12px;padding-bottom:24px}.hero h1{font-size:27px;margin:8px 0}.hero .eyebrow{font-size:8px}.hero p{font-size:11px;line-height:1.9}.hero-art{height:170px;border-radius:70px 70px 5px 5px}.hero-art:before{width:140px;height:140px;left:20px}.art-book{width:56px;height:106px;font-size:16px;gap:4px;padding-top:5px}.art-book.a{left:10px;bottom:25px}.art-book.b{left:60px;height:115px;bottom:27px}.art-book small{font-size:6px}.hero-art .sun{width:40px;height:40px;right:10px;top:18px}.art-book.b:after{width:28px;height:28px;left:8px;bottom:15px}.info-row{margin:17px 0 25px;gap:16px}.info-row .spacer{display:none}.info-row .btn{margin-left:auto;padding:8px;font-size:10px}.info-item{font-size:9px;gap:5px}.info-item strong{font-size:18px}.info-item.optional{display:none}.section-head{gap:8px}.section-head h2{font-size:22px}.section-head p{font-size:10px}.filters{gap:2px;margin-bottom:20px}.chip{padding:6px 8px;font-size:11px}.search-wrap{width:100%;margin:9px 0 0;order:2}.filters select{margin-left:auto;font-size:10px;padding:5px;max-width:85px}.grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px 17px}.cover{height:211px;padding:19px 17px}.cover-title{font-size:23px}.cover-motif{width:70px;height:70px;bottom:25px;right:14px}.cover-author{font-size:9px}.book-meta{font-size:9px;gap:5px}.book-card h3{font-size:15px}.book-card .subtitle{font-size:10px}.card-bottom{font-size:9px}.library-footer{font-size:10px;flex-direction:column}.reader-toolbar{padding:11px 17px;gap:7px}.reader-toolbar .back{width:calc(100% - 100px);font-size:11px}.reader-toolbar .back span{max-width:200px}.reader-status{font-size:10px}.reader-toolbar .btn{font-size:10px}.reader-toolbar svg{width:16px}.reader{padding:25px 22px 45px}.reader-title h1{font-size:31px}.reader-title .book-sub{font-size:10px;gap:8px}.reader-title .reader-help{font-size:10px}.reading-head{display:flex;justify-content:space-between;font-size:9px}.reading-head span:last-child{padding-left:12px;border:none}.pair{display:block;padding:22px 0}.pair .ja{font-size:var(--jp);padding:0 0 0 10px;line-height:2.3}.pair .num{left:-8px;font-size:8px}.pair .zh{margin:18px 0 0 10px;padding:0 0 0 15px;font-size:var(--zh);border-left:2px solid var(--line)}.mode-focus .pair:not(.selected) .zh-content{display:none}.mode-focus .pair:not(.selected) .zh{padding-top:0;margin-top:12px}.mode-original .reading-head span:last-child{display:none}.reader-progress{bottom:65px;left:0}.reader-bottom{font-size:11px}.reader-bottom .btn{font-size:10px}.grammar{padding:18px}.grammar-item{font-size:12px}.continue{padding:12px;gap:10px}.continue strong{font-size:15px}.continue .btn{font-size:10px;padding:8px}.summary-stats{gap:8px}.stat-card{padding:13px}.stat-card strong{font-size:27px}.stat-card small{font-size:10px}.history-row{gap:12px}.history-row h3{font-size:16px}.history-row .progress{width:75px}.history-row .mini-cover{width:38px;height:52px}.history-row .btn{padding:7px;font-size:10px}.doc-banner{display:block;padding:20px}.doc-banner .btn{margin-top:15px}.doc-banner>svg{display:none}#toast{bottom:80px}#word-pop{width:min(310px,calc(100vw - 30px))}.section-head .button-row{gap:5px}.section-head .btn{padding:7px 10px;font-size:10px}.page-title{font-size:28px}.page-intro{font-size:12px}.word-item{padding:20px}dialog{padding:23px}.dialog-head h2{font-size:22px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}

.study-note{margin-top:15px;padding:12px 14px;background:var(--soft);border-radius:5px;font-size:12px;line-height:1.9;color:var(--ink)}.study-note strong{font-weight:500;color:var(--green);display:block;font-size:10px;letter-spacing:1px;margin-bottom:4px}
.dict-page{max-width:1120px}.dict-page>.eyebrow{color:var(--green);margin:12px 0 20px}.dictionary-search{display:flex;align-items:center;gap:16px;padding:10px 10px 10px 21px;border:1px solid var(--line);background:var(--panel);border-radius:10px;box-shadow:var(--shadow);margin:30px 0 12px}.dictionary-search>svg{color:var(--green);width:23px;height:23px}.dictionary-search input{flex:1;min-width:0;border:0;outline:0;background:transparent;color:var(--ink);font-size:18px;padding:10px 0}.dictionary-search input::placeholder{font-size:13px;color:var(--muted)}.dictionary-search .btn{padding:13px 20px;font-size:13px}.dict-examples{font-size:11px;color:var(--muted);display:flex;align-items:center;gap:5px;flex-wrap:wrap}.dict-examples .chip{color:var(--green);font-size:12px}.dict-guidance{font-size:11px;color:var(--muted);line-height:1.9;margin:20px 0 30px;border-bottom:1px solid var(--line);padding-bottom:22px}.dict-welcome{text-align:center;padding:50px 15px 70px}.dict-welcome>span{font-size:29px;color:var(--green);letter-spacing:2px}.dict-welcome p{color:var(--muted);font-size:13px;line-height:2;margin-top:23px}.dict-entry{background:var(--panel);border:1px solid var(--line);border-radius:9px;margin:18px 0;padding:25px 28px}.dict-entry-head{display:flex;justify-content:space-between;align-items:flex-start;gap:20px}.dict-entry h2{font:30px/1.6 var(--serif);overflow-wrap:anywhere}.dict-reading{color:var(--muted);font-size:13px;line-height:1.8;margin-top:3px}.dict-pos{font-size:10px;background:var(--soft);color:var(--green);padding:4px 8px;border-radius:3px;max-width:180px}.dict-match{font-size:10px;color:var(--muted);margin-top:12px}.dict-definitions{padding-left:22px;line-height:1.95;font-size:15px;margin:17px 0}.dict-definitions li{padding-left:4px;margin:5px 0;overflow-wrap:anywhere}.dict-definitions li::marker{font-size:10px;color:var(--muted)}.dict-example-list{border-left:2px solid var(--line);margin:22px 0;padding-left:15px}.dict-example-list blockquote{margin:15px 0}.dict-example-list p[lang=ja]{font:17px/1.9 var(--serif);color:var(--ink)}.dict-example-list p{font-size:12px;line-height:1.9;color:var(--muted)}.dict-entry-footer{display:flex;gap:15px;align-items:center;font-size:10px;border-top:1px solid var(--line);padding-top:14px}.dict-entry-footer .btn{margin-left:auto}.dict-entry-footer a{color:var(--muted)}.dict-result-count,.dict-loading{color:var(--muted);font-size:12px;margin:24px 0}.dictionary-license{font-size:10px;color:var(--muted);line-height:2.2;margin:35px 0 15px;padding-top:20px;border-top:1px solid var(--line)}#word-pop.dictionary-popup{width:385px;padding:18px;max-height:min(650px,80vh)}.dictionary-popup .word-top{position:sticky;top:-18px;z-index:2;background:var(--panel);margin:-2px -1px 12px;padding:5px 0;border-bottom:1px solid var(--line)}.dictionary-popup .word-top small{font-size:11px}.dictionary-popup .dict-entry{border:0;border-bottom:1px solid var(--line);border-radius:0;padding:0 0 16px;margin:14px 0}.dictionary-popup .dict-entry h2{font-size:24px}.dictionary-popup .dict-definitions{font-size:13px;line-height:1.85;margin:12px 0}.dictionary-popup .dict-reading{font-size:11px}.dictionary-popup .dict-entry-footer{border:0;padding-top:5px}.dictionary-popup .dict-pos{font-size:9px;max-width:100px}.dict-more{margin:5px 0 12px}.dict-popup-source{font-size:9px;line-height:1.8;color:var(--muted)}.dict-none{font-size:12px;line-height:1.9;margin:20px 0;color:var(--muted)}.ja,.ja .word,.ja ruby,.ja rb{user-select:text;-webkit-user-select:text}.ja ::selection{background:#c6d9b8;color:#203b2b}
/* Reader paragraph layout. Keep the original side-by-side rules above intact. */
.reader-toolbar { flex-wrap: wrap; }
.reader-toolbar .layout-control { flex-shrink: 0; }
.layout-width-note { display: none; }
.reader.layout-stacked { max-width: 880px; padding: 28px 40px 65px; }
.reader.layout-stacked .reading-head { display: flex; gap: 24px; }
.reader.layout-stacked .reading-head span:last-child { border: 0; padding: 0; }
.reader.layout-stacked .pair {
  display: block;
  max-width: none;
  margin: 0;
  padding: 18px 0;
}
.reader.layout-stacked .pair::after {
  content: '';
  position: absolute;
  inset: auto 0 -1px;
  border-bottom: 1px solid var(--bg);
  opacity: .4;
  pointer-events: none;
}
.reader.layout-stacked .ja { font-size: var(--jp); line-height: 1.95; padding: 0 0 0 20px; }
.reader.layout-stacked .zh {
  position: relative;
  margin: 10px 0 0 20px;
  padding: 0 0 0 14px;
  font-size: var(--zh);
  line-height: 1.85;
  color: var(--muted);
  border-color: var(--line);
}
.reader.layout-stacked .zh:has(.translation-empty) { border: 0; padding-left: 0; }
.reader.layout-stacked .para-actions { flex-wrap: wrap; }
/* Reserve translation height in focus mode so selection cannot move the next paragraph. */
.reader.layout-stacked.mode-focus .pair:not(.selected) .zh-content { display: block; visibility: hidden; }
.reader.layout-stacked.mode-focus .pair:not(.selected) .zh { border-color: transparent; margin-top: 10px; }
.reader.layout-stacked.mode-focus .pair:not(.selected) .zh::after {
  content: '点击日文段落，展开译文';
  position: absolute;
  inset: 0 auto auto 0;
}
@media (max-width: 800px) {
  .reader-toolbar .layout-control, .reader-layout-setting { display: none; }
  .layout-width-note { display: block; }
  .reader.layout-stacked, .reader.layout-side { max-width: 880px; padding: 30px 24px 65px; }
  .reader.layout-side .reading-head { display: flex; gap: 24px; }
  .reader.layout-side .reading-head span:last-child { border: 0; padding: 0; }
  .reader.layout-side .pair { display: block; max-width: none; margin: 0; padding: 18px 0; }
  .reader.layout-side .pair::after {
    content: ''; position: absolute; inset: auto 0 -1px;
    border-bottom: 1px solid var(--bg); opacity: .4; pointer-events: none;
  }
  .reader.layout-side .ja { font-size: var(--jp); line-height: 1.95; padding: 0 0 0 20px; }
  .reader.layout-side .zh {
    position: relative; margin: 10px 0 0 20px; padding: 0 0 0 14px;
    font-size: var(--zh); line-height: 1.85; color: var(--muted); border-color: var(--line);
  }
  .reader.layout-side .zh:has(.translation-empty) { border: 0; padding-left: 0; }
  .reader.layout-side .para-actions { flex-wrap: wrap; }
  .reader.layout-side.mode-focus .pair:not(.selected) .zh-content { display: block; visibility: hidden; }
  .reader.layout-side.mode-focus .pair:not(.selected) .zh { border-color: transparent; margin-top: 10px; }
  .reader.layout-side.mode-focus .pair:not(.selected) .zh::after {
    content: '点击日文段落，展开译文'; position: absolute; inset: 0 auto auto 0;
  }
}
@media (max-width: 580px) {
  .reader.layout-stacked, .reader.layout-side { padding: 25px 22px 45px; }
  .reader.layout-stacked .pair, .reader.layout-side .pair { scroll-margin-top: 145px; }
  .reader.layout-stacked .num, .reader.layout-side .num { display: none; }
  .reader.layout-stacked .ja, .reader.layout-side .ja { font-size: calc(var(--jp) - 1px); padding: 0; }
  .reader.layout-stacked .zh, .reader.layout-side .zh {
    font-size: calc(var(--zh) - 1px); border: 0; margin: 10px 0 0; padding: 0;
  }
}

/* Long-form page navigation and local translation state. */
.reader-pager { padding: 18px 0; border-bottom: 1px solid var(--line); scroll-margin-top: 95px; }
.reader-page-buttons { display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; }
.reader-page-form { display: flex; align-items: center; gap: 8px; font-size: 12px; color: var(--muted); }
.reader-page-form input { width: 62px; padding: 6px; color: var(--ink); background: var(--panel); border: 1px solid var(--line); border-radius: 4px; }
.reader-position { display: flex; align-items: center; gap: 12px; margin-top: 15px; font-size: 11px; color: var(--muted); }
.reader-position input { flex: 1; min-width: 60px; accent-color: var(--green); }
.reader-position span { white-space: nowrap; }
.reader-toc { margin-bottom: 22px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.reader-toc summary { padding: 13px 0; cursor: pointer; font-size: 13px; color: var(--green); }
.reader-toc nav { display: grid; grid-template-columns: repeat(auto-fill,minmax(55px,1fr)); gap: 5px; max-height: 290px; overflow: auto; padding: 0 6px 16px; }
.reader-toc button { padding: 8px; font-size: 13px; text-align: left; }
.reader-toc button:hover { background: var(--soft); }
.reader-toc [data-level="1"] { grid-column: 1 / -1; color: var(--green); border-top: 1px solid var(--line); margin-top: 8px; }
.page-translation { margin: 16px 0 6px; padding: 12px 14px; background: var(--soft); font-size: 12px; line-height: 1.9; }
.page-translation .button-row { margin-top: 8px; }
.page-translation [hidden] { display: none; }
body:has(.reader) #word-pop.dictionary-popup { width: min(385px,calc(100vw - 30px)); }
@media (max-width: 580px) {
  .reader-page-buttons { gap: 8px; }
  .reader-pager { scroll-margin-top: 145px; }
  .reader-page-form { order: 3; width: 100%; justify-content: center; }
  .reader-position span { display: none; }
}
/* Reader lookup: distinguish page ruby from dictionary candidates. */
#word-pop .dict-context-reading { font-size: 13px; line-height: 1.8; margin: 12px 0; }
#word-pop .dict-context-reading strong { font-size: 20px; color: var(--ink); }
#word-pop .dict-context-reading p { font-size: 11px; color: var(--muted); margin: 4px 0; }

/* Paginated books only: keep reading first, collect navigation in the toolbar. */
.reader.reader-paged { padding-top: 12px; }
.reader-title-compact { display: flex; align-items: baseline; gap: 16px; padding-bottom: 8px; }
.reader-title-compact h1 { font: 22px/1.6 var(--serif); min-width: 0; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.reader-title-compact > span { font-size: 11px; color: var(--muted); white-space: nowrap; }
.reader-paged .page-translation { margin: 0; padding: 0 0 8px; background: none; font-size: 11px; line-height: 1.7; }
.reader-paged .page-translation .button-row { margin-top: 0; }
.reader-paged .page-translation { display: flex; flex-wrap: wrap; align-items: center; column-gap: 8px; }
.reader-paged #page-translation-status { flex: 1; }
.reader-paged .page-translation .button-row { flex-shrink: 0; }
.reader-paged .page-source { flex-basis: 100%; order: 3; color: var(--muted); }
.reader.reader-paged .pair, .reader-paged .reader-pager { scroll-margin-top: calc(var(--reader-toolbar-height, 63px) + 16px); }
.reader-navigation { flex-shrink: 0; }
.reader-navigation > summary { list-style: none; font-size: 11px; }
.reader-navigation > summary::-webkit-details-marker { display: none; }
.reader-navigation:not([open]) > .reader-navigation-panel { display: none; }
.reader-navigation-panel { position: fixed; z-index: 25; top: calc(var(--reader-toolbar-height, 63px) + 6px); right: 20px; width: min(720px, calc(100vw - 40px)); max-height: calc(100vh - var(--reader-toolbar-height, 63px) - 28px); overflow-y: auto; padding: 20px; background: var(--panel); border: 1px solid var(--line); }
.reader-navigation-panel .reader-title { padding-bottom: 12px; }
.reader-navigation-panel .reader-title h1 { font-size: 26px; }
.reader-navigation-panel .reader-help { margin: 12px 0; }
.reader-navigation-panel .reader-pager { margin-bottom: 12px; }
@media (max-width: 800px) { .reader-navigation { order: 3; } }
@media (max-width: 580px) {
  .reader-navigation > summary { font-size: 10px; padding: 7px 10px; }
  .reader-navigation-panel { right: 15px; width: calc(100vw - 30px); padding: 14px; }
}