.manabi-app .manabi-page.library-room{padding-top:20px;container-type:inline-size}.shelf-layout{min-width:0;container-type:inline-size}.library-save-control button,.shelf-dialog button,.shelf-layout button{font:inherit;cursor:pointer;min-height:44px;color:var(--ink);background:transparent;border:0}.shelf-header{display:grid;grid-template-columns:1fr minmax(220px,350px) auto;grid-gap:24px;gap:24px;align-items:center;padding:0 0 32px;border-bottom:1px solid var(--rule)}.shelf-guest h1,.shelf-header h1{font-size:clamp(32px,4cqi,46px);font-weight:650;letter-spacing:-2px;line-height:1.25;margin:0}.shelf-guest h1 span,.shelf-header h1 span{color:var(--ja)}.shelf-header form{display:flex;border-bottom:1px solid var(--ink);align-items:center;gap:6px;min-width:0}.shelf-header input{background:transparent;border:0;color:var(--ink);width:100%;min-width:0;height:44px;font:inherit;font-size:14px;padding:0 4px;outline-offset:2px}.shelf-header form button{font-size:23px;min-width:44px}.shelf-header .manabi-button{padding:11px 19px;gap:16px;white-space:nowrap}.shelf-sr{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.shelf-section-heading{display:flex;justify-content:space-between;align-items:center;gap:16px;min-width:0}.shelf-section-heading h2{font-size:18px;font-weight:650;letter-spacing:-.5px;line-height:1.5;margin:0;overflow-wrap:anywhere}.shelf-recent{padding:25px 0 27px;border-bottom:1px solid var(--rule)}.shelf-recent-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));grid-gap:20px;gap:20px;margin-top:17px}.shelf-recent-card{display:flex;gap:15px;min-width:0;text-decoration:none;color:var(--ink);background:var(--sheet);border:1px solid var(--rule);padding:18px;align-items:center;transition:border-color .14s ease}.shelf-recent-card:hover{border-color:var(--ja)}.shelf-recent-card>div{min-width:0;flex:1 1}.shelf-recent-card small{color:var(--muted);font-size:11px}.shelf-recent-card h3{font-size:15px;font-weight:650;line-height:1.55;margin:5px 0 7px;overflow-wrap:anywhere;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;overflow:hidden}.shelf-recent-card p{font-size:11px;line-height:1.65;color:var(--muted);margin:0}.shelf-recent-card p span{color:var(--ink)}.shelf-recent-toggle{display:none;font-size:12px!important;text-decoration:underline;text-underline-offset:4px}.shelf-cover{--cover-color:var(--muted);width:48px;height:64px;flex:none;background:var(--cover-color);color:var(--sheet);position:relative;display:flex;flex-direction:column;padding:6px 5px 5px 10px;border-radius:1px 3px 3px 1px;box-shadow:inset 4px 0 0 color-mix(in srgb,var(--ink) 18%,transparent);overflow:hidden}.shelf-cover[data-language=Japanese]{--cover-color:var(--ja)}.shelf-cover[data-language=Chinese]{--cover-color:var(--zh)}.shelf-cover[data-language=English]{--cover-color:var(--en)}.shelf-cover[data-language=French]{--cover-color:var(--fr)}.shelf-cover small{font-size:6px;line-height:1;letter-spacing:.4px;color:var(--sheet);font-weight:600}.shelf-cover b{font-size:27px;letter-spacing:-2px;line-height:1;margin-top:9px;font-weight:500}.shelf-cover i{height:1px;width:13px;background:currentColor;opacity:.55;position:absolute;bottom:7px;left:10px}.shelf-list-section{padding-top:22px}.shelf-list-tools{display:flex;align-items:center;gap:13px;flex:none;font-size:12px}.shelf-list-tools select{font:inherit;color:var(--muted);background:transparent;border:0;min-height:44px;max-width:145px;padding-inline:3px}.shelf-list-tools button{padding:0 6px}.shelf-collections{display:flex;align-items:center;flex-wrap:wrap;gap:2px 15px;margin:8px 0;font-size:12px}.shelf-collections button{max-width:190px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;padding:0 2px;color:var(--muted)}.shelf-collections button[aria-pressed=true]{color:var(--ink);font-weight:650;text-decoration:underline;text-underline-offset:8px;text-decoration-thickness:2px}.shelf-collections .shelf-manage{margin-left:auto;font-size:11px}.shelf-rows{list-style:none;padding:0;margin:0;border-top:1px solid var(--ink)}.shelf-row{border-bottom:1px solid var(--rule);min-width:0}.shelf-row-main{display:flex;align-items:center;gap:12px}.shelf-row-link{display:flex;gap:24px;align-items:center;min-width:0;flex:1 1;padding:23px 0;text-decoration:none;color:var(--ink)}.shelf-row-link:hover h3{text-decoration:underline;text-underline-offset:5px;text-decoration-thickness:1px}.shelf-row-copy{min-width:0;flex:1 1}.shelf-row-copy h3{font-size:19px;line-height:1.6;font-weight:600;letter-spacing:-.45px;margin:0;overflow-wrap:anywhere;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;overflow:hidden}.shelf-row-copy>p{font-size:13px;color:var(--muted);margin:4px 0 6px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;line-height:1.6}.shelf-row-copy>small{font-size:11px;line-height:1.8;color:var(--muted);display:block;margin-top:4px}.shelf-row-menu{width:44px;flex:none;align-self:flex-start;margin-top:22px;font-size:22px!important;letter-spacing:1px;border-radius:50%!important}.shelf-row-menu:hover{background:var(--bg-secondary)}.shelf-row-failure{margin-top:5px}.shelf-child-match,.shelf-row-failure{color:var(--ja);display:block;font-size:12px}.shelf-child-match{margin:-7px 56px 17px 72px;overflow-wrap:anywhere;min-height:44px;padding-top:11px;line-height:1.6}.shelf-children{margin:-7px 55px 8px 72px;font-size:12px}.shelf-children>button{color:var(--muted);display:flex;gap:20px;align-items:center}.shelf-children ol{margin:0 0 8px;list-style:none;padding:0;border-top:1px solid var(--rule)}.shelf-children li a{display:flex;justify-content:space-between;gap:20px;padding:12px 0;color:var(--ink);text-decoration:none;line-height:1.65;overflow-wrap:anywhere}.shelf-children li a span{flex:none}.shelf-result-summary{display:flex;align-items:center;justify-content:space-between;gap:20px;color:var(--muted);font-size:12px}.shelf-result-summary p{overflow-wrap:anywhere}.shelf-result-summary button{flex:none;text-decoration:underline}.shelf-list-end,.shelf-muted{font-size:12px;color:var(--muted);line-height:1.8}.shelf-list-end{padding-top:16px}.shelf-query-error{font-size:13px;padding:12px 0;color:var(--muted);line-height:1.7}.shelf-query-error p{margin:0}.shelf-query-error button{color:var(--ja);text-decoration:underline}.shelf-empty{border-top:1px solid var(--ink);padding:50px 10px 44px;text-align:center}.shelf-empty-mark{display:block;font-size:52px;letter-spacing:-5px;font-weight:600;color:var(--ja);line-height:1;margin-bottom:23px}.shelf-empty h3{font-size:23px;letter-spacing:-1px;margin:0 0 12px;line-height:1.5}.shelf-empty p{font-size:13px;line-height:1.7;color:var(--muted);margin:0 0 26px}.shelf-empty .manabi-link{margin-left:22px}.shelf-load-more{width:100%;border-bottom:1px solid var(--rule)!important;padding:20px 10px!important;font-size:13px!important}.shelf-loading{font-size:12px;color:var(--muted);padding-block:16px}.shelf-loading i{display:block;height:90px;border-bottom:1px solid var(--rule)}.shelf-footer{display:flex;flex-wrap:wrap;gap:8px 28px;border-top:1px solid var(--rule);margin-top:30px;padding-top:14px;font-size:11px}.shelf-footer a{color:var(--muted);min-height:44px;display:flex;align-items:center;text-decoration:none}.shelf-footer a:hover{text-decoration:underline}.shelf-dialog{position:fixed;inset:0;margin:auto;width:min(520px,calc(100% - 28px));max-height:calc(100dvh - 40px);overflow:auto;border:1px solid var(--rule);border-radius:5px;background:var(--sheet);color:var(--ink);padding:24px;box-shadow:0 16px 60px color-mix(in srgb,var(--ink) 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12px;border-radius:2px}.shelf-dialog button:disabled,.shelf-layout button:disabled{opacity:.45;cursor:default}.shelf-action-list{display:grid}.shelf-action-list>*{display:flex;align-items:center;min-height:48px;padding:12px 0!important;border-bottom:1px solid var(--rule)!important;text-align:left;text-decoration:none;color:var(--ink);font-size:14px;line-height:1.6}.shelf-filter-form{display:grid;grid-gap:18px;gap:18px;margin-top:18px}.shelf-filter-form label{display:grid;grid-gap:8px;gap:8px;font-size:12px}.shelf-filter-form .manabi-button{color:var(--sheet);background:var(--ja);justify-content:center}.shelf-guest{padding:20px 0 80px}.shelf-guest h2{font-size:32px;letter-spacing:-1px;margin-top:60px;line-height:1.5}.shelf-guest p{font-size:15px;line-height:1.8;margin:15px 0 30px;color:var(--muted)}.shelf-guest>.manabi-link{margin-left:20px}.library-save-control{display:flex;align-items:center;gap:12px;flex-wrap:wrap;font-size:12px}.library-save-control>button{color:var(--muted);text-decoration:underline;text-underline-offset:4px}.library-save-control>button[aria-pressed=true]{color:var(--ja)}.library-save-control>p{flex-basis:100%;font-size:12px;color:var(--ja)}@container (max-width:760px){.shelf-header{gap:10px;grid-template-columns:1fr auto;padding-bottom:12px}.shelf-header form{grid-row:2;grid-column:1/-1}.shelf-header h1{font-size:32px}.shelf-header .manabi-button{min-height:44px;padding:9px 15px;font-size:13px}.shelf-recent{padding:17px 0}.shelf-recent-grid{grid-template-columns:1fr;margin-top:8px;gap:10px}.shelf-recent-card{padding:14px 16px}.shelf-recent-card h3{font-size:15px;margin:2px 0 5px}.shelf-recent-card .shelf-cover{width:39px;height:53px;padding-left:8px}.shelf-recent-card .shelf-cover b{font-size:24px;margin-top:6px}.shelf-recent-extra{display:none}.shelf-recent.is-expanded .shelf-recent-extra{display:flex}.shelf-recent-toggle{display:block}.shelf-section-heading h2{font-size:16px}.shelf-list-section{padding-top:13px}.shelf-list-tools{gap:3px;font-size:11px}.shelf-list-tools select{max-width:112px}.shelf-collections{gap:0 13px;margin:0 0 5px}.shelf-collections button{max-width:120px}.shelf-collections .shelf-manage{margin-left:0}.shelf-row-link{gap:16px;padding:20px 0;align-items:flex-start}.shelf-row-copy h3{font-size:17px;line-height:1.65;-webkit-line-clamp:3}.shelf-row-copy>p{display:none}.shelf-row-main{gap:3px}.shelf-row-menu{margin-top:13px;width:44px}.shelf-row-copy>small{font-size:11px;margin-top:5px}.shelf-child-match,.shelf-children{margin-left:64px;margin-right:5px}.shelf-empty{padding-top:35px}.shelf-empty .manabi-link{display:flex;justify-content:center;margin:10px 0 0}.shelf-footer{gap:0 22px;margin-top:22px}}@media (prefers-reduced-motion:reduce){.shelf-recent-card{transition:none}}@container (max-width:280px){.shelf-header{grid-template-columns:1fr}.shelf-header form{grid-row:3}.shelf-header .manabi-button{justify-self:start}.shelf-section-heading{align-items:flex-start;flex-direction:column;gap:0}.shelf-row-copy>small{overflow-wrap:anywhere}.shelf-row-link{gap:10px}.shelf-cover{width:36px;height:52px}.shelf-child-match,.shelf-children{margin-left:46px}.shelf-list-tools{flex-wrap:wrap}.shelf-collections button{max-width:100%}}.shelf-managed .shelf-header{padding-bottom:22px}.shelf-workspace{display:grid;grid-template-columns:176px minmax(0,1fr);grid-gap:32px;gap:32px}.shelf-content{min-width:0}.shelf-folder-nav{display:flex;flex-direction:column;align-items:stretch;padding-top:18px;gap:2px;font-size:13px}.shelf-folder-nav>button{text-align:left;padding:8px 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.shelf-cover i{display:none}.shelf-managed .shelf-row-menu{margin-top:14px}.shelf-managed .shelf-rows{border-top:1px solid var(--rule)}.shelf-row.is-selected{background:var(--bg-secondary)}.shelf-row-check{display:grid;place-items:center;flex:none;min-width:44px;min-height:44px;cursor:pointer}.shelf-row-check input,.shelf-selection-heading input{width:17px;height:17px;accent-color:var(--ink);cursor:pointer}.shelf-favorite{color:var(--muted);font-size:12px}.shelf-selection-heading{display:flex;flex-wrap:wrap;align-items:center;gap:8px 16px;min-height:50px;font-size:12px;border-top:1px solid var(--rule)}.shelf-selection-heading label{display:flex;align-items:center;gap:8px;min-height:44px}.shelf-selection-heading button{text-decoration:underline}.shelf-selection-bar{position:-webkit-sticky;position:sticky;bottom:calc(72px + env(safe-area-inset-bottom));display:flex;flex-wrap:wrap;align-items:center;gap:4px 16px;padding:8px 12px;border:1px solid var(--rule);border-radius:6px;background:var(--sheet);box-shadow:0 3px 12px color-mix(in srgb,var(--ink) 8%,transparent);font-size:12px;z-index:3;margin-top:16px}.shelf-selection-bar strong{font-size:12px;font-weight:600;margin-right:auto}.shelf-notice{display:flex;align-items:center;gap:12px;flex-wrap:wrap;line-height:1.6;font-size:12px;margin-top:12px;color:var(--muted)}.shelf-notice button{text-decoration:underline}.shelf-dialog-actions{display:flex;justify-content:flex-end;gap:16px;margin-top:20px}.shelf-dialog-actions .manabi-button,.shelf-filter-form .manabi-button{background:var(--ink);color:var(--sheet);padding:10px 18px}.shelf-create-collection select{margin-top:10px}.shelf-dialog :is(button,a,input,select):focus-visible,.shelf-managed :is(button,a,input,select):focus-visible{outline:2px solid var(--ink);outline-offset:3px}.shelf-list-focus:focus{outline:none}@container(max-width:760px){.shelf-workspace{grid-template-columns:1fr;gap:0}.shelf-folder-nav{flex-direction:row;align-items:center;overflow-x:auto;white-space:nowrap;gap:4px;padding-top:10px;padding-bottom:5px}.shelf-folder-nav>button{flex:none;max-width:220px;text-overflow:ellipsis;overflow:hidden;padding-inline:10px}.shelf-folder-heading{margin:0;padding:0;flex:none;font-size:12px}.shelf-folder-heading>span{display:none}.shelf-folder-nav .shelf-trash-link{margin:0;border:0}.shelf-managed .shelf-row-main{gap:0}.shelf-managed .shelf-row-link{gap:12px}.shelf-managed .shelf-section-heading{flex-wrap:wrap;gap:0 12px}.shelf-selection-bar{gap:0 12px;bottom:calc(70px + env(safe-area-inset-bottom))}.shelf-managed .shelf-recent-card{border:0;background:transparent;padding:8px 0}}.shelf-dialog-head h2{min-width:0;overflow-wrap:anywhere}.shelf-dialog-head button{flex:none}.shelf-notice>button[aria-label],.shelf-selection-bar>button[aria-label]{min-width:44px}.shelf-chapter-heading{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}.shelf-chapter-heading button{color:var(--muted);font-size:12px;min-height:44px}.shelf-chapter-heading button:last-child:not(:first-child){color:var(--ink)}.shelf-book-chapters li{display:flex;align-items:center;flex-wrap:wrap;border-bottom:1px solid var(--rule)}.shelf-book-chapters li>a{flex:1 1;min-width:0;gap:12px}.shelf-book-chapters li a .shelf-chapter-title{flex:1 1;min-width:0;overflow-wrap:anywhere}.shelf-chapter-order{min-width:32px;font-feature-settings:"tnum";font-variant-numeric:tabular-nums;color:var(--muted)}.shelf-chapter-menu{min-width:44px;min-height:44px;color:var(--muted)}.shelf-chapter-options{flex-basis:100%;display:flex;justify-content:flex-end;padding-bottom:6px}.shelf-chapter-options button{padding:0 12px;border:1px solid var(--rule);font-size:12px}.shelf-book-chapters li.is-added{background:color-mix(in srgb,var(--ja) 7%,transparent)}.shelf-chapter-book{color:var(--muted);font-size:13px;line-height:1.6;overflow-wrap:anywhere;margin:8px 0 20px}.shelf-chapter-form fieldset{border:0;padding:0;margin:0;display:grid;grid-gap:16px;gap:16px;min-width:0}.shelf-chapter-form label{display:grid;grid-gap:7px;gap:7px;font-size:12px}.shelf-chapter-form input,.shelf-chapter-form textarea{box-sizing:border-box;width:100%;min-width:0;min-height:44px;font:inherit;font-size:16px;padding:10px 12px;border:1px solid var(--rule);border-radius:2px;background:var(--sheet);color:var(--ink)}.shelf-chapter-form textarea{resize:vertical;line-height:1.8}.shelf-chapter-number{width:100px}.shelf-chapter-form .manabi-button{background:var(--ja);color:var(--sheet)}.shelf-chapter-form [role=alert]{font-size:13px;line-height:1.7;margin:12px 0}.shelf-chapter-split summary{cursor:pointer;min-height:44px;display:flex;align-items:center;color:var(--muted);font-size:12px}.shelf-chapter-split>div{display:flex;align-items:flex-end;gap:12px}.shelf-chapter-split input{width:100px}.shelf-chapter-split button{padding:0 12px;border:1px solid var(--rule)}.shelf-chapter-parts{display:grid;grid-gap:16px;gap:16px}.shelf-chapter-parts>div{display:grid;grid-template-columns:80px 1fr;grid-gap:8px;gap:8px}.shelf-chapter-parts p{grid-column:1/-1;white-space:pre-wrap;max-height:140px;overflow:auto;font-size:13px;line-height:1.8;color:var(--muted)}