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1120px;--transition: .16s ease;background:var(--color-bg);color:var(--color-text)}*{box-sizing:border-box}html{min-width:320px;background:var(--color-bg);scroll-behavior:smooth}body{margin:0;min-width:320px;min-height:100vh;background:radial-gradient(circle at 85% -5%,rgb(255 180 194 / .08),transparent 34rem),linear-gradient(180deg,#111216,var(--color-bg) 28rem);color:var(--color-text);font-size:16px;line-height:1.6;overflow-x:hidden}button,input,textarea,select{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{color:inherit}a{color:inherit;text-decoration:none}img{display:block;max-width:100%}h1,h2,h3,p,blockquote{margin-top:0}h1,h2,h3{text-wrap:balance}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid var(--color-focus);outline-offset:3px}.skip-link{position:fixed;z-index:1000;top:8px;left:8px;padding:10px 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var(--color-border);border-radius:var(--radius-lg);background:#1b1d23;box-shadow:var(--shadow-dialog);overflow-y:auto;overscroll-behavior:contain}.dialog__header{position:sticky;z-index:3;top:0;display:flex;align-items:start;justify-content:space-between;gap:20px;padding:24px 24px 18px;border-bottom:1px solid var(--color-border-soft);background:#1b1d23f5;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}.dialog__header h2{margin-bottom:3px;font-size:clamp(1.35rem,4vw,1.75rem);line-height:1.3}.dialog__header p{max-width:44rem;margin-bottom:0;color:var(--color-text-muted);font-size:.88rem}.dialog__body{padding:24px}.configuration-page{display:grid;width:min(calc(100% - 32px),900px);min-height:100vh;align-content:center;margin-inline:auto;padding-block:36px}.configuration-page__top{display:flex;align-items:center;gap:14px;margin-bottom:22px}.configuration-page__top>div:nth-child(2){display:grid;line-height:1.4}.configuration-page__top>div:nth-child(2) span{color:var(--color-text-dim);font-size:.78rem}.configuration-page__top .language-toggle{margin-left:auto}.configuration-card{padding:clamp(28px,6vw,60px);border:1px solid var(--color-border);border-radius:var(--radius-lg);background:var(--color-surface);box-shadow:var(--shadow-card)}.configuration-card h1{margin-bottom:14px;font-size:clamp(2rem,6vw,3.4rem);line-height:1.15;letter-spacing:-.04em}.setup-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:32px}.setup-grid article{padding:22px;border:1px solid var(--color-border-soft);border-radius:var(--radius-md);background:#15171c}.setup-grid article>span{color:var(--color-primary);font-size:.72rem;font-weight:800;letter-spacing:.12em}.setup-grid h2{margin:10px 0 7px;font-size:1.1rem}.setup-grid p{margin-bottom:0;color:var(--color-text-muted);font-size:.84rem}.auth-page{display:grid;min-height:100vh;grid-template-columns:minmax(340px,.9fr) minmax(520px,1.1fr);background:#0d0e11}.auth-page__visual{position:relative;display:grid;min-height:100vh;place-items:center;overflow:hidden;border-right:1px solid var(--color-border-soft);background:linear-gradient(145deg,rgb(255 180 194 / .09),transparent 42%),repeating-linear-gradient(90deg,transparent 0 18%,rgb(255 255 255 / .018) 18% 18.2%),#131419}.auth-page__visual:before{position:absolute;width:440px;height:440px;border:1px solid rgb(255 180 194 / .15);border-radius:50%;content:""}.auth-page__visual>p{position:absolute;bottom:32px;margin:0;color:var(--color-text-dim);font-family:ui-sans-serif,system-ui,sans-serif;font-size:.66rem;letter-spacing:.28em}.visual-shelf{position:relative;display:flex;width:min(70%,330px);height:260px;align-items:end;justify-content:center;gap:12px;padding-bottom:47px;border:1px solid var(--color-border);border-radius:130px 130px 30px 30px;background:#11121694;box-shadow:0 40px 90px #0000004d}.visual-shelf i{display:block;width:28px;border:1px solid rgb(248 247 244 / .22);border-bottom:0;border-radius:5px 5px 0 0;background:#262832}.visual-shelf i:nth-of-type(1){height:122px;background:#35313c}.visual-shelf i:nth-of-type(2){height:150px;background:#253b45}.visual-shelf i:nth-of-type(3){height:132px;background:#423029}.visual-shelf i:nth-of-type(4){height:160px;background:#2b3f34}.visual-shelf i:nth-of-type(5){height:118px;background:#42313f}.visual-shelf__line{position:absolute;right:28px;bottom:40px;left:28px;height:6px;border-radius:var(--radius-pill);background:var(--color-text)}.visual-shelf strong{position:absolute;right:30px;bottom:9px;color:var(--color-primary);font-size:2.6rem}.auth-card{display:flex;min-height:100vh;flex-direction:column;padding:clamp(24px,5vw,56px)}.auth-card__top{display:flex;align-items:center;justify-content:space-between;gap:20px}.auth-brand{display:inline-flex;align-items:center;gap:12px}.auth-brand img{border-radius:14px}.auth-brand>span{display:grid;line-height:1.25}.auth-brand small{color:var(--color-text-dim);font-size:.7rem}.auth-card__content{width:min(100%,580px);container-type:inline-size;margin:auto;padding-block:70px}.auth-card__content h1,.profile-setup-card h1{margin-bottom:20px;line-height:1.08;letter-spacing:-.055em}.auth-card__content h1{font-size:clamp(2.2rem,12.5cqi,4.7rem)}.profile-setup-card h1{font-size:clamp(2.6rem,6vw,5rem)}.auth-card__content h1 span,.profile-setup-card h1 span{display:block}.auth-card__content h1 span{text-wrap:balance;white-space:normal}.auth-card__content form{display:grid;gap:20px;margin-top:34px}.auth-card__content form .button{width:100%}.auth-send-error{margin:0;color:var(--color-danger);font-size:.86rem;line-height:1.6}.auth-methods{display:grid;gap:20px;margin-top:34px}.auth-methods>.button,.auth-methods form .button{width:100%}.auth-card__content .auth-methods form{margin-top:0}.auth-method-divider{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:12px;color:var(--color-text-dim);font-size:.76rem}.auth-method-divider:before,.auth-method-divider:after{height:1px;background:var(--color-border-soft);content:""}.privacy-note,.inline-note{display:flex;align-items:flex-start;gap:8px;margin:0;color:var(--color-text-dim);font-size:.78rem}.privacy-note svg,.inline-note svg{flex:0 0 auto;margin-top:3px;color:var(--color-primary)}.magic-link-sent{display:grid;margin-top:34px;padding:28px;border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-surface)}.magic-link-sent>span{display:grid;width:54px;height:54px;place-items:center;margin-bottom:18px;border-radius:18px;background:#ffb4c21a;color:var(--color-primary)}.magic-link-sent h2{margin-bottom:8px}.magic-link-sent p{color:var(--color-text-muted)}.magic-link-sent__help{display:grid;gap:6px;margin:20px 0 0;padding:16px;border:1px solid var(--color-border);border-radius:var(--radius-sm);background:#ffffff06}.magic-link-sent__help strong{font-size:.9rem}.magic-link-sent__help p,.magic-link-sent__error{margin:0;font-size:.82rem;line-height:1.65}.magic-link-sent__error{margin-top:16px;color:var(--color-danger)!important}.magic-link-sent__actions{display:grid;gap:10px;margin-top:20px}.magic-link-sent .button{width:100%}.profile-setup-page{display:grid;min-height:100vh;place-items:center;padding:24px 16px;background:radial-gradient(circle at 50% 0%,rgb(255 180 194 / .12),transparent 32rem),var(--color-bg)}.profile-setup-card{width:min(100%,680px);padding:clamp(28px,7vw,62px);border:1px solid var(--color-border);border-radius:var(--radius-lg);background:var(--color-surface);box-shadow:var(--shadow-card)}.profile-setup-card__top{display:flex;align-items:center;justify-content:space-between;margin-bottom:48px}.profile-setup-card__top img{border-radius:17px}.profile-setup-card h1{font-size:clamp(2.2rem,7vw,4.5rem)}.profile-setup-card form{display:grid;gap:22px;margin-top:34px}.profile-setup-card form .button{width:100%}.shelf-list-page{min-height:70vh}.shelf-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;padding-top:28px}.shelf-card{position:relative;display:grid;min-width:0;grid-template-columns:148px minmax(0,1fr) 30px;align-items:center;gap:20px;padding:18px;border:1px solid var(--color-border-soft);border-radius:var(--radius-md);background:var(--color-surface);box-shadow:0 12px 40px #0000001a;overflow:hidden;transition:transform var(--transition),border-color var(--transition),background var(--transition)}.shelf-card:before{position:absolute;inset:0 auto 0 0;width:3px;background:var(--color-primary);content:"";opacity:0;transition:opacity var(--transition)}.shelf-card:hover{border-color:#555761;background:#1d1f26;transform:translateY(-2px)}.shelf-card:hover:before{opacity:1}.shelf-card__covers{display:flex;height:142px;align-items:end;justify-content:center;gap:0;padding:14px 10px 12px;border-radius:15px;background:#111216;overflow:hidden}.shelf-card__covers .book-cover{width:60px;height:90px;flex:0 0 auto;margin-left:-22px;border:2px solid #111216;box-shadow:-5px 7px 16px #00000047;transform:rotate(-2deg)}.shelf-card__covers .book-cover:first-child{margin-left:0;transform:rotate(-5deg)}.shelf-card__covers .book-cover:last-child{transform:rotate(3deg)}.shelf-card__content{min-width:0}.shelf-card__status{display:flex;align-items:center;gap:8px;margin-bottom:10px;color:var(--color-text-dim);font-size:.7rem}.shelf-card h2{margin-bottom:6px;font-size:clamp(1.08rem,2vw,1.35rem);line-height:1.4;overflow-wrap:anywhere}.shelf-card__content>p{display:-webkit-box;margin-bottom:14px;color:var(--color-text-muted);font-size:.82rem;-webkit-box-orient:vertical;-webkit-line-clamp:2;overflow:hidden}.shelf-card__meta{display:flex;flex-wrap:wrap;gap:8px 13px;color:var(--color-text-dim);font-size:.72rem}.shelf-card__meta span{display:inline-flex;min-width:0;align-items:center;gap:5px}.shelf-card__meta span:last-child{max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.shelf-card__arrow{display:grid;width:32px;height:32px;place-items:center;border-radius:50%;color:var(--color-text-dim)}.role-pill{display:inline-flex;min-height:24px;align-items:center;padding:3px 9px;border:1px solid var(--color-border);border-radius:var(--radius-pill);font-size:.67rem;font-weight:800;white-space:nowrap}.role-pill--owner{border-color:#ffb4c247;background:#ffb4c217;color:var(--color-primary)}.role-pill--member{background:#9cd6ff0f;color:#b7dcf5}.book-cover{aspect-ratio:2 / 3;border-radius:5px 8px 8px 5px;object-fit:cover;box-shadow:0 13px 30px #00000057}.book-cover--small{width:70px}.book-cover--medium{width:92px}.book-cover--large{width:100%}.book-cover--fallback{position:relative;display:flex;flex-direction:column;justify-content:space-between;padding:12px 9px 10px 13px;border:1px solid rgb(255 255 255 / .12);background:linear-gradient(90deg,rgb(0 0 0 / .25) 0 7%,transparent 7%),var(--cover-bg);color:var(--cover-ink);overflow:hidden}.book-cover--fallback:after{position:absolute;top:0;right:8px;bottom:0;width:1px;background:#ffffff26;content:""}.book-cover__rule{width:40%;height:2px;background:currentColor;opacity:.7}.book-cover--fallback strong{display:-webkit-box;font-size:clamp(.58rem,1.1vw,.82rem);line-height:1.55;-webkit-box-orient:vertical;-webkit-line-clamp:4;overflow:hidden}.book-cover__text{display:grid;gap:5px}.book-cover__text small{display:-webkit-box;color:currentColor;font-size:clamp(.48rem,.9vw,.66rem);font-weight:650;line-height:1.4;opacity:.78;-webkit-box-orient:vertical;-webkit-line-clamp:2;overflow:hidden}.book-cover__mark{align-self:end;font-size:1.3rem}.shelf-detail-hero{position:relative;border-bottom:1px solid var(--color-border-soft);background:linear-gradient(110deg,rgb(255 180 194 / .065),transparent 42%),#14151a;overflow:hidden}.shelf-detail-hero:after{position:absolute;top:-190px;right:-140px;width:500px;height:500px;border:1px solid rgb(255 180 194 / .1);border-radius:50%;content:""}.shelf-detail-hero .page-container{position:relative;z-index:1;padding-block:30px 40px}.back-link{display:inline-flex;min-height:44px;align-items:center;gap:8px;margin-bottom:24px;color:var(--color-text-muted);font-size:.84rem;font-weight:700}.back-link:hover{color:var(--color-text)}.shelf-detail-hero__content{display:grid;grid-template-columns:minmax(0,1fr) 220px;align-items:end;gap:48px}.shelf-detail-hero__copy{min-width:0}.shelf-detail-hero__status{display:flex;align-items:center;gap:11px;margin-bottom:14px;color:var(--color-text-dim);font-size:.75rem}.shelf-detail-hero h1{max-width:850px;margin-bottom:17px;font-size:clamp(2.2rem,7vw,5.3rem);line-height:1.08;letter-spacing:-.055em;overflow-wrap:anywhere}.shelf-detail-hero__note{max-width:700px;margin-bottom:24px;color:var(--color-text-muted);font-family:Yu Mincho,Hiragino Mincho ProN,serif;font-size:clamp(1rem,2vw,1.2rem);line-height:1.8}.shelf-detail-hero__meta{display:flex;flex-wrap:wrap;gap:10px 22px;color:var(--color-text-dim);font-size:.8rem}.shelf-detail-hero__meta span{display:inline-flex;min-width:0;align-items:center;gap:7px;overflow-wrap:anywhere}.shelf-detail-hero__mark{display:grid;min-height:210px;align-content:space-between;padding:22px;border:1px solid var(--color-border);border-radius:110px 110px 24px 24px;background:#10111499;color:var(--color-text-dim)}.shelf-detail-hero__mark>span{font-size:.7rem;letter-spacing:.16em}.shelf-detail-hero__mark strong{font-family:ui-sans-serif,system-ui,sans-serif;font-size:1.4rem;line-height:1.1;letter-spacing:-.03em}.shelf-detail-hero__mark em{justify-self:end;color:var(--color-primary);font-size:2.5rem;font-style:normal}.shelf-detail-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:32px;padding-top:24px;border-top:1px solid var(--color-border-soft)}.shelf-books-section{padding-top:46px}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:24px}.section-heading h2,.section-heading h3{margin-bottom:0}.section-heading>div>p:last-child{margin-bottom:0;color:var(--color-text-muted)}.section-heading--books{margin-bottom:22px}.section-heading--books h2{font-size:1.35rem}.book-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px 18px}.book-card{min-width:0;overflow:hidden;border:1px solid var(--color-border-soft);border-radius:var(--radius-md);background:var(--color-surface);transition:transform var(--transition),border-color var(--transition)}.book-card:hover{border-color:#4f515a;transform:translateY(-2px)}.book-card__open{position:relative;display:block;width:100%;padding:20px 24px 12px;border:0;background:linear-gradient(180deg,#2b2d35,#1d1f25),var(--color-surface);cursor:pointer}.book-card__open .book-cover{width:min(100%,175px);margin-inline:auto}.book-card__edit{position:absolute;top:12px;right:12px;display:grid;width:38px;height:38px;place-items:center;border:1px solid rgb(248 247 244 / .18);border-radius:50%;background:#101114b8;color:var(--color-text-muted);opacity:0;transition:opacity var(--transition)}.book-card:hover .book-card__edit,.book-card__open:focus-visible .book-card__edit{opacity:1}.book-card__body{padding:18px}.book-card__person{display:flex;align-items:center;gap:9px;margin-bottom:13px}.book-card__person>span:last-child{display:grid;min-width:0;line-height:1.3}.book-card__person small{color:var(--color-text-dim);font-size:.64rem}.book-card__person strong{overflow:hidden;font-size:.76rem;text-overflow:ellipsis;white-space:nowrap}.book-card h2{margin-bottom:4px;font-size:1rem;line-height:1.5;overflow-wrap:anywhere}.book-card__authors{min-height:2.7em;margin-bottom:13px;color:var(--color-text-dim);font-size:.75rem}.book-card blockquote{min-height:67px;margin-bottom:15px;padding:11px 12px;border-left:2px solid var(--color-primary);border-radius:0 9px 9px 0;background:#ffb4c20b;color:var(--color-text-muted);font-family:Yu Mincho,Hiragino Mincho ProN,serif;font-size:.78rem;line-height:1.75}.book-card blockquote.is-empty{border-left-color:var(--color-border);color:var(--color-text-dim);font-family:inherit}.book-card__footer{display:flex;align-items:center;justify-content:space-between;gap:8px;color:var(--color-text-dim);font-size:.65rem}.avatar{display:inline-grid;width:42px;height:42px;flex:0 0 auto;place-items:center;border:1px solid rgb(255 180 194 / .25);border-radius:50%;background:#ffb4c21a;color:var(--color-primary);font-size:.82rem;font-weight:800}.avatar--small{width:30px;height:30px;font-size:.7rem}.avatar--large{width:74px;height:74px;font-size:1.5rem}.search-form{display:grid;gap:14px}.search-form__fields{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr) minmax(180px,.75fr);align-items:start;gap:12px}.search-form__footer{display:flex;align-items:center;justify-content:space-between;gap:16px}.search-form__footer p{max-width:42rem;margin:0;color:var(--color-text-muted);font-size:.78rem;line-height:1.55}.search-form__footer .button{min-width:140px;flex:0 0 auto;white-space:nowrap}.catalog-source-note{display:flex;align-items:center;gap:7px;margin:10px 0 0;color:var(--color-text-muted);font-size:.78rem;line-height:1.5}.catalog-source-note svg{flex:0 0 auto;color:var(--color-primary)}.manual-link{margin-top:6px}.search-results{margin-top:24px;padding-top:20px;border-top:1px solid var(--color-border-soft)}.search-results h3{margin-bottom:14px;font-size:1rem}.search-results__grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.search-result{display:grid;min-width:0;grid-template-columns:70px minmax(0,1fr) 30px;align-items:center;gap:13px;padding:12px;border:1px solid var(--color-border-soft);border-radius:15px;background:#15171c;color:var(--color-text);text-align:left;cursor:pointer}.search-result:hover{border-color:var(--color-primary);background:#1d1f25}.search-result .book-cover{width:56px}.search-result>span{display:grid;min-width:0;gap:3px}.search-result strong,.search-result small{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.search-result strong{font-size:.85rem}.search-result small,.search-result em{color:var(--color-text-dim);font-size:.7rem;font-style:normal}.search-result__series{color:var(--color-primary)!important;font-size:.66rem!important}.search-result__cover-note{color:var(--color-text-dim)!important;font-size:.64rem!important}.search-result>svg{color:var(--color-primary)}.book-details-form{display:grid;gap:22px}.selected-book-preview{display:grid;grid-template-columns:110px minmax(0,1fr);align-items:center;gap:20px;padding:18px;border:1px solid var(--color-border-soft);border-radius:var(--radius-md);background:#15171c}.selected-book-preview .book-cover{width:92px}.selected-book-preview h3{margin-bottom:4px;font-size:1.25rem;overflow-wrap:anywhere}.selected-book-preview p,.selected-book-preview small{display:block;margin-bottom:3px;color:var(--color-text-muted)}.confirm-panel{display:grid;justify-items:center;padding:28px 12px 12px;text-align:center}.confirm-panel__icon{border-color:#ffb4aa40;background:#ffb4aa14;color:var(--color-danger)}.confirm-panel h3{margin-bottom:8px;font-size:1.4rem}.confirm-panel p{max-width:31rem;color:var(--color-text-muted)}.member-list{display:grid;gap:8px}.member-row{display:grid;grid-template-columns:44px minmax(0,1fr) auto;align-items:center;gap:12px;padding:12px;border:1px solid var(--color-border-soft);border-radius:15px;background:#15171c}.member-row>div{display:grid;min-width:0}.member-row strong{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.member-row small{color:var(--color-text-dim);font-size:.72rem}.invite-section{margin-top:28px;padding-top:26px;border-top:1px solid var(--color-border-soft)}.invite-section .section-heading{align-items:center}.invite-section .inline-note{margin-top:14px;padding:11px 13px;border-radius:var(--radius-sm);background:#ffd38a12;color:#dbc79f}.invite-section .inline-note--error{flex-wrap:wrap;align-items:center;border:1px solid rgb(255 180 170 / .22);background:#ffb4aa12;color:var(--color-text-muted)}.invite-section .inline-note--error>span{min-width:12rem;flex:1 1 16rem}.invite-section .inline-note--error .button{flex:0 0 auto}.invite-list{display:grid;gap:8px;margin-top:18px}.invite-row{display:grid;grid-template-columns:42px minmax(0,1fr) auto;align-items:center;gap:12px;padding:12px;border:1px solid var(--color-border-soft);border-radius:15px;background:#15171c}.invite-row.is-inactive{opacity:.6}.invite-row__icon{display:grid;width:40px;height:40px;place-items:center;border-radius:13px;background:#ffb4c214;color:var(--color-primary)}.invite-row>div:nth-child(2){display:grid}.invite-row small{color:var(--color-text-dim);font-size:.72rem}.invite-row__actions{display:flex!important;gap:6px}.danger-zone{padding:16px;border:1px solid rgb(255 180 170 / .2);border-radius:var(--radius-md);background:#ffb4aa0b}.danger-zone>div{display:flex;align-items:center;justify-content:space-between;gap:20px}.danger-zone>div>span{display:grid}.danger-zone small{max-width:32rem;color:var(--color-text-dim);font-size:.72rem}.profile-page{min-height:70vh}.profile-card,.signout-card{max-width:760px;margin-top:26px;padding:clamp(22px,5vw,36px);border:1px solid var(--color-border-soft);border-radius:var(--radius-md);background:var(--color-surface)}.profile-card__identity{display:flex;align-items:center;gap:17px;margin-bottom:30px;padding-bottom:24px;border-bottom:1px solid var(--color-border-soft)}.profile-card__identity>div{display:grid}.profile-card__identity strong{font-size:1.2rem}.profile-card__identity small{color:var(--color-text-dim)}.language-fieldset{display:grid;gap:8px;margin:0;padding:0;border:0}.language-fieldset legend{margin-bottom:8px}.language-fieldset label{display:flex;min-height:52px;align-items:center;gap:12px;padding:10px 14px;border:1px solid var(--color-border-soft);border-radius:var(--radius-sm);background:#15171c;cursor:pointer}.language-fieldset label.is-selected{border-color:#ffb4c28c;background:#ffb4c212}.language-fieldset input{width:18px;height:18px;accent-color:var(--color-primary)}.language-fieldset label span{flex:1}.language-fieldset label svg{color:var(--color-primary);opacity:0}.language-fieldset label.is-selected svg{opacity:1}.signout-card{display:flex;align-items:center;justify-content:space-between;gap:24px}.signout-card h2{margin-bottom:4px;font-size:1.05rem}.signout-card p{margin-bottom:0;color:var(--color-text-muted);font-size:.82rem}.join-page{display:grid;min-height:70vh;place-items:center}.join-card{display:grid;width:min(100%,880px);justify-items:center;padding:clamp(30px,7vw,64px);border:1px solid var(--color-border);border-radius:var(--radius-lg);background:var(--color-surface);box-shadow:var(--shadow-card);text-align:center}.join-card h1{margin-bottom:12px;font-size:clamp(1.8rem,5vw,3rem);line-height:1.25}.join-card__details{display:grid;width:min(100%,30rem);gap:1px;margin:8px 0 22px;padding:1px;border:1px solid var(--color-border-soft);border-radius:var(--radius-md);background:var(--color-border-soft);overflow:hidden;text-align:left}.join-card__details>div{display:grid;grid-template-columns:minmax(5.5rem,max-content) minmax(0,1fr);align-items:baseline;gap:16px;padding:13px 15px;background:var(--color-surface-strong)}.join-card__details dt{color:var(--color-text-muted);font-size:.76rem;font-weight:700}.join-card__details dd{min-width:0;margin:0;overflow-wrap:anywhere;font-weight:800;line-height:1.55}.join-card .loading-state{min-height:110px}.join-card>p:not(.eyebrow){max-width:34rem;margin-bottom:26px;color:var(--color-text-muted)}.join-card__preview{display:grid;width:100%;gap:16px;margin:6px 0 28px;padding-top:24px;border-top:1px solid var(--color-border-soft);text-align:left}.join-card__preview-heading{display:flex;align-items:end;justify-content:space-between;gap:18px}.join-card__preview-heading .eyebrow{margin-bottom:5px}.join-card__preview-heading h2{margin-bottom:0;font-size:clamp(1.25rem,3vw,1.75rem)}.join-card__preview-heading>span{flex:0 0 auto;padding:5px 10px;border:1px solid rgb(255 180 194 / .28);border-radius:var(--radius-pill);background:#ffb4c214;color:var(--color-primary);font-size:.78rem;font-weight:800}.join-card__preview .wooden-bookshelf{--shelf-columns: 4;--shelf-row-height: 238px}.join-card__preview-note{margin:0;color:var(--color-text-dim);font-size:.76rem;line-height:1.7}@keyframes spin{to{transform:rotate(360deg)}}@keyframes toast-in{0%{opacity:0;transform:translateY(10px)}}@media(max-width:980px){.auth-page{grid-template-columns:1fr}.auth-page__visual{display:none}.auth-card{min-height:100vh}.shelf-grid{grid-template-columns:1fr}.book-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.shelf-detail-hero__content{grid-template-columns:minmax(0,1fr) 180px;gap:30px}.shelf-detail-hero__mark{min-height:180px}}@media(max-width:760px){body{padding-bottom:74px}.app-shell{padding-bottom:0}.page-container{width:min(calc(100% - 24px),var(--content-width));padding-block:32px 56px}.site-header__inner{width:calc(100% - 24px);min-height:66px}.site-header .language-toggle{margin-left:auto}.brand{min-width:0}.brand img{width:40px;height:40px}.brand__text small,.desktop-nav{display:none}.site-header .language-toggle svg,.site-header .language-toggle>span{display:none}.site-header .language-toggle{gap:0}.site-footer{padding-bottom:28px}.site-footer>div{align-items:flex-start;flex-direction:column;gap:2px}.mobile-nav{position:fixed;z-index:100;right:10px;bottom:max(10px,env(safe-area-inset-bottom));left:10px;display:grid;grid-template-columns:repeat(2,1fr);padding:6px;border:1px solid rgb(59 61 70 / .85);border-radius:22px;background:#1a1c22f0;box-shadow:0 18px 50px #00000075;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}.mobile-nav a{display:flex;min-height:50px;align-items:center;justify-content:center;gap:7px;border-radius:17px;color:var(--color-text-dim);font-size:.75rem;font-weight:750}.mobile-nav a.active{background:var(--color-surface-strong);color:var(--color-text)}.mobile-nav a.active svg{color:var(--color-primary)}.demo-banner{align-items:flex-start;flex-direction:column;gap:0}.page-hero{align-items:stretch;flex-direction:column;padding-bottom:28px}.page-hero .button{align-self:stretch}.book-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px 10px}.book-card__open{padding:15px 14px 10px}.book-card__body{padding:14px}.book-card__edit{opacity:1}.shelf-detail-hero .page-container{padding-block:18px 28px}.shelf-detail-hero__content{grid-template-columns:1fr}.shelf-detail-hero__mark{display:none}.shelf-detail-hero__meta{align-items:flex-start;flex-direction:column;gap:8px}.shelf-detail-actions{display:grid;grid-template-columns:1fr 1fr}.shelf-detail-actions .button:first-child{grid-column:1 / -1}.section-heading--books .button{display:none}.dialog{width:calc(100% - 16px);max-height:calc(100vh - 16px)}.dialog__panel{max-height:calc(100vh - 16px);border-radius:22px}.dialog__header,.dialog__body{padding-inline:17px}.form-grid,.search-results__grid{grid-template-columns:1fr}.search-form__fields{grid-template-columns:1fr 1fr}.search-form__fields>:last-child{grid-column:1 / -1}.selected-book-preview{grid-template-columns:88px minmax(0,1fr)}.selected-book-preview .book-cover{width:72px}.dialog-actions--spread{align-items:stretch;flex-direction:column-reverse}.dialog-actions--spread>div{display:grid;grid-template-columns:1fr 1fr}.dialog-actions--spread>div:first-child{grid-template-columns:1fr}.invite-section .section-heading{align-items:stretch;flex-direction:column}.invite-row{grid-template-columns:42px minmax(0,1fr)}.invite-row__actions{grid-column:1 / -1;display:grid!important;grid-template-columns:1fr 1fr}.danger-zone>div,.signout-card{align-items:stretch;flex-direction:column}.profile-card,.signout-card{max-width:none}.toast{right:12px;bottom:calc(82px + env(safe-area-inset-bottom));left:12px;max-width:none}}@media(max-width:520px){.page-container{width:min(calc(100% - 20px),var(--content-width))}.join-card__details>div{grid-template-columns:1fr;gap:3px}.join-card__preview-heading{align-items:flex-start;flex-direction:column;gap:10px}.join-card__preview .wooden-bookshelf{--shelf-columns: 3;--shelf-row-height: 218px}.site-header__inner{width:calc(100% - 20px)}.brand__text strong{max-width:135px;overflow:hidden;font-size:.92rem;text-overflow:ellipsis;white-space:nowrap}.language-toggle,.language-toggle button{padding-inline:4px}.configuration-page__top{align-items:flex-start;flex-wrap:wrap}.configuration-page__top .language-toggle{width:100%;justify-content:center;margin-left:0}.setup-grid{grid-template-columns:1fr}.auth-card{padding:18px}.auth-card__top{align-items:flex-start;flex-direction:column}.auth-card__top .language-toggle{align-self:flex-end;margin-top:-48px}.auth-card__content{padding-block:54px 30px}.auth-card__content h1{font-size:clamp(2.2rem,12.5cqi,3.3rem)}.profile-setup-card{padding:24px 18px}.profile-setup-card__top{margin-bottom:38px}.shelf-card{grid-template-columns:88px minmax(0,1fr);gap:14px;padding:12px}.shelf-card__covers{height:116px;padding-inline:5px}.shelf-card__covers .book-cover{width:45px;height:70px;margin-left:-29px}.shelf-card__arrow{display:none}.shelf-card__status{align-items:flex-start;flex-direction:column;gap:4px}.shelf-card__content>p,.shelf-card__meta span:last-child{display:none}.shelf-detail-hero h1{font-size:clamp(2.15rem,13vw,3.5rem)}.shelf-detail-actions{grid-template-columns:1fr}.shelf-detail-actions .button:first-child{grid-column:auto}.book-grid{grid-template-columns:1fr 1fr}.book-card__person{align-items:flex-start}.book-card blockquote,.book-card__footer span:first-child{display:none}.book-card__authors{min-height:0}.book-card__footer{justify-content:flex-end}.search-form,.search-form__fields{grid-template-columns:1fr}.search-form__fields>:last-child{grid-column:auto}.search-form__footer{align-items:stretch;flex-direction:column}.search-form .button{width:100%}.search-result{grid-template-columns:58px minmax(0,1fr) 26px}.selected-book-preview{grid-template-columns:68px minmax(0,1fr);gap:13px;padding:13px}.selected-book-preview .book-cover{width:58px}.select-wrap select{padding-right:14px}.select-person{display:none}.dialog-actions:not(.dialog-actions--spread){display:grid;grid-template-columns:1fr 1fr}.member-row{grid-template-columns:40px minmax(0,1fr)}.member-row .role-pill{grid-column:2;justify-self:start}.profile-card__identity{align-items:flex-start}.profile-card__identity small{overflow-wrap:anywhere}}@media(max-width:360px){.book-grid{grid-template-columns:1fr}.book-card__open .book-cover{width:155px}.book-card blockquote,.book-card__footer span:first-child{display:block}.book-card__footer{justify-content:space-between}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}.visually-hidden{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;border:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0 0 0 0)!important;white-space:nowrap!important}.shelf-card__covers.shelf-card__covers--wood{position:relative;display:flex;min-height:174px;align-items:flex-end;justify-content:center;gap:8px;padding:24px 11px 35px;border:8px solid #5b3928;border-bottom-width:12px;border-radius:14px 14px 8px 8px;background:linear-gradient(90deg,rgb(255 255 255 / .025),transparent 24%,rgb(0 0 0 / .12) 72%,transparent),linear-gradient(180deg,#2b1b16,var(--color-wood-back) 72%,#2b1913 72%);box-shadow:inset 0 0 28px #00000061,0 12px 26px #00000047}.shelf-card__covers.shelf-card__covers--wood:after{position:absolute;right:-8px;bottom:-7px;left:-8px;height:30px;border-top:4px solid var(--color-wood-light);background:linear-gradient(180deg,var(--color-wood-mid),#4b2e21);box-shadow:0 7px 10px #00000061;content:""}.shelf-card__cover-slot{position:relative;z-index:1;display:block;width:min(31%,58px);transform-origin:bottom center}.shelf-card__cover-slot:nth-child(2){transform:translateY(-2px) rotate(1deg)}.shelf-card__cover-slot:nth-child(3){transform:rotate(-.8deg)}.shelf-card__covers--wood .book-cover{width:100%;height:auto;aspect-ratio:2 / 3;margin:0;border-radius:2px 4px 3px 2px;object-fit:cover;box-shadow:-3px 5px 10px #00000075}.shelf-card__empty-shelf{position:relative;z-index:1;display:grid;width:58px;height:58px;place-items:center;margin-bottom:18px;border:1px solid rgb(255 255 255 / .12);border-radius:50%;background:#00000024;color:#f8f7f48f}.wooden-bookshelf{--shelf-base-row-height: 286px;--shelf-columns: 5;--shelf-plank-height: 44px;--shelf-registrant-extra: 0px;--shelf-row-height: calc(var(--shelf-base-row-height) + var(--shelf-registrant-extra));min-width:0}.wooden-bookshelf--with-registrants{--shelf-plank-height: 64px;--shelf-registrant-extra: 20px}.wooden-bookshelf__frame{position:relative;min-width:0;padding:clamp(8px,1.5vw,15px);border:1px solid #9e7559;border-radius:clamp(16px,2.5vw,26px) clamp(16px,2.5vw,26px) 12px 12px;background:linear-gradient(90deg,rgb(255 255 255 / .08),transparent 10% 88%,rgb(0 0 0 / .18)),repeating-linear-gradient(4deg,transparent 0 8px,rgb(35 18 11 / .1) 9px 10px),linear-gradient(180deg,#936847,#5e3b2a);box-shadow:0 28px 70px #00000057,inset 0 1px #ffffff21,inset 0 -5px #22120c59}.wooden-bookshelf__grid{display:grid;min-width:0;grid-template-columns:repeat(var(--shelf-columns),minmax(0,1fr));grid-auto-rows:var(--shelf-row-height);overflow:hidden;border:1px solid #2c1912;border-radius:9px 9px 3px 3px;background:linear-gradient(90deg,rgb(255 255 255 / .025),transparent 24%,rgb(0 0 0 / .12) 74%,transparent),repeating-linear-gradient(to bottom,#2b1a14 0,var(--color-wood-back) calc(var(--shelf-row-height) - var(--shelf-plank-height)),var(--color-wood-light) calc(var(--shelf-row-height) - var(--shelf-plank-height)),#956949 calc(var(--shelf-row-height) - var(--shelf-plank-height) + 9px),var(--color-wood-mid) calc(var(--shelf-row-height) - var(--shelf-plank-height) + 9px),#573522 calc(var(--shelf-row-height) - 8px),#25150f var(--shelf-row-height));box-shadow:inset 0 16px 32px #0000006b}.wooden-bookshelf__slot{position:relative;display:grid;min-width:0;align-items:end;padding:25px clamp(7px,1.4vw,16px) calc(var(--shelf-plank-height) + 3px);border-right:1px solid rgb(255 255 255 / .035)}.wooden-bookshelf__slot:before{position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(90deg,rgb(0 0 0 / .07),transparent 14% 86%,rgb(0 0 0 / .08));content:"";pointer-events:none}.wooden-bookshelf__book-button,.wooden-bookshelf__figure{position:relative;z-index:1;display:flex;width:100%;height:100%;min-width:0;align-items:flex-end;justify-content:center;margin:0;padding:0;border:0;background:transparent}.wooden-bookshelf__book-button{border-radius:8px;cursor:pointer}.wooden-bookshelf__book-button:focus-visible{outline-offset:5px}.wooden-bookshelf__book{position:relative;display:block;width:min(88%,154px);max-height:calc(100% - 8px);transform:translateY(var(--book-lift)) rotate(var(--book-lean));transform-origin:bottom center;transition:transform var(--transition),filter var(--transition)}.wooden-bookshelf__book .book-cover{width:100%;height:auto;max-height:100%;aspect-ratio:2 / 3;border:1px solid rgb(255 255 255 / .16);border-radius:2px 6px 5px 2px;object-fit:cover;box-shadow:-7px 9px 16px #00000080,inset 1px 0 #ffffff29}.wooden-bookshelf__book-button:hover .wooden-bookshelf__book,.wooden-bookshelf__book-button:focus-visible .wooden-bookshelf__book{filter:brightness(1.07);transform:translateY(-7px) rotate(0)}.wooden-bookshelf__title{position:absolute;z-index:2;right:3px;bottom:calc(10px - var(--shelf-plank-height));left:3px;display:grid;gap:1px;max-height:calc(var(--shelf-plank-height) - 7px);overflow:hidden;color:#fff8ee;font-size:.72rem;font-weight:750;letter-spacing:.01em;line-height:1.3;text-align:center;text-shadow:0 1px 2px rgb(0 0 0 / .56)}.wooden-bookshelf--with-registrants .wooden-bookshelf__title{bottom:calc(24px - var(--shelf-plank-height))}.wooden-bookshelf__title strong,.wooden-bookshelf__title small{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.wooden-bookshelf__title small{color:#ddcbbf;font-size:.57rem;font-weight:650}.wooden-bookshelf__title .wooden-bookshelf__registrant{color:var(--color-primary);font-size:.56rem;font-weight:750}.wooden-bookshelf--showcase .wooden-bookshelf__slot{padding-bottom:calc(var(--shelf-plank-height) + 3px)}.wooden-bookshelf--showcase .wooden-bookshelf__book{width:min(95%,168px)}.wooden-bookshelf--showcase .wooden-bookshelf__book .book-cover{object-fit:contain}.wooden-bookshelf__empty{display:grid;min-height:360px;place-items:center;align-content:center;padding:48px 24px 82px;border:1px solid #2c1912;border-radius:9px 9px 3px 3px;background:linear-gradient(180deg,transparent calc(100% - 44px),var(--color-wood-light) calc(100% - 44px),var(--color-wood-mid) calc(100% - 34px),#573522 calc(100% - 8px),#25150f 100%),linear-gradient(90deg,rgb(255 255 255 / .025),transparent 24%,rgb(0 0 0 / .12)),var(--color-wood-back);box-shadow:inset 0 16px 32px #0000006b;text-align:center}.wooden-bookshelf__empty-mark{display:grid;width:70px;height:70px;place-items:center;margin-bottom:20px;border:1px solid rgb(255 180 194 / .3);border-radius:50%;background:#120c0b5c;color:var(--color-primary);font-size:2rem}.wooden-bookshelf__empty h2{margin-bottom:7px;color:#fff8ee;font-size:clamp(1.25rem,4vw,1.65rem)}.wooden-bookshelf__empty p{max-width:33rem;margin-bottom:0;color:#dfcbbd}.shelf-showcase-page{padding-top:30px}.app-shell--showcase{min-height:100vh;background:radial-gradient(circle at 90% 0,rgb(255 180 194 / .07),transparent 32rem),var(--color-bg)}.shelf-showcase-page__header{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-top:22px}.shelf-showcase-page__header>div{max-width:760px}.shelf-showcase-page__header h1{margin-bottom:12px;font-size:clamp(2.25rem,6vw,4.4rem);letter-spacing:-.05em;line-height:1.08}.shelf-showcase-page__header>div>p:last-child{margin-bottom:0;color:var(--color-text-muted)}.shelf-showcase-controls{display:grid;grid-template-columns:minmax(0,1fr) minmax(280px,.7fr);gap:24px;margin-top:34px;padding:20px;border:1px solid var(--color-border-soft);border-radius:var(--radius-md);background:var(--color-surface)}.shelf-showcase-controls fieldset{display:flex;min-width:0;flex-wrap:wrap;align-items:center;gap:10px;margin:0;padding:0;border:0}.shelf-showcase-controls legend{width:100%;margin-bottom:3px;color:var(--color-text);font-size:.88rem;font-weight:800}.shelf-showcase-controls label{display:inline-flex;min-height:46px;align-items:center;gap:10px;padding:9px 14px;border:1px solid var(--color-border);border-radius:var(--radius-pill);background:#15171c;color:var(--color-text-muted);cursor:pointer}.shelf-showcase-controls label:has(input:checked){border-color:#ffb4c280;background:#ffb4c214;color:var(--color-text)}.shelf-showcase-controls input{width:20px;height:20px;flex:0 0 auto;accent-color:var(--color-primary)}.shelf-showcase-controls__export{display:grid;align-content:center;justify-items:end;gap:8px}.shelf-showcase-controls__export p{max-width:31rem;margin:0;color:var(--color-text-dim);font-size:.72rem;line-height:1.55;text-align:right}.shelf-showcase-preview{margin-top:28px}.shelf-showcase-preview__heading{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:14px}.shelf-showcase-preview__heading h2,.shelf-showcase-preview__heading p{margin-bottom:0}.shelf-showcase-preview__heading h2{font-size:clamp(1.35rem,3vw,1.8rem)}.shelf-showcase-preview__heading>p{max-width:28rem;color:var(--color-text-muted);font-size:.88rem;text-align:right}.shelf-portrait{position:relative;width:100%;padding:clamp(20px,5vw,54px);overflow:hidden;border:1px solid #3d3f49;border-radius:clamp(20px,3vw,34px);background:radial-gradient(circle at 82% 0,rgb(255 180 194 / .1),transparent 34%),linear-gradient(150deg,#17181d,#0d0e11 62%);box-shadow:var(--shadow-card)}.shelf-portrait:before{position:absolute;width:360px;height:360px;border:1px solid rgb(255 180 194 / .07);border-radius:50%;content:"";top:-220px;right:-80px;pointer-events:none}.shelf-portrait__header{position:relative;z-index:1;max-width:760px;margin:0 auto clamp(24px,5vw,42px);text-align:center}.shelf-portrait__eyebrow{display:inline-flex;align-items:center;gap:7px;margin-bottom:12px;color:var(--color-text-dim);font-family:ui-sans-serif,system-ui,sans-serif;font-size:.65rem;font-weight:800;letter-spacing:.18em}.shelf-portrait__eyebrow b{color:var(--color-primary)}.shelf-portrait__header h2{margin-bottom:8px;font-family:Yu Mincho,Hiragino Mincho ProN,serif;font-size:clamp(2rem,6vw,4.8rem);letter-spacing:-.035em;line-height:1.16;overflow-wrap:anywhere}.shelf-portrait__header p{margin-bottom:0;color:var(--color-primary);font-size:clamp(.9rem,2vw,1.08rem);font-weight:700}.shelf-portrait__members{position:relative;z-index:1;display:grid;width:min(100%,820px);gap:10px;margin:0 auto clamp(18px,3vw,28px);padding:14px 16px;border:1px solid rgb(255 180 194 / .22);border-radius:16px;background:#ffffff09}.shelf-portrait__members header{display:flex;align-items:baseline;justify-content:space-between;gap:12px}.shelf-portrait__members h3{margin:0;color:var(--color-primary);font-size:.72rem;font-weight:800;letter-spacing:.09em}.shelf-portrait__members header span{color:var(--color-text-dim);font-size:.64rem;font-weight:700}.shelf-portrait__members ul{display:flex;flex-wrap:wrap;gap:7px;margin:0;padding:0;list-style:none}.shelf-portrait__members li{display:inline-flex;min-height:28px;align-items:center;padding:5px 10px;border:1px solid rgb(255 255 255 / .12);border-radius:var(--radius-pill);background:#0a0b0e8a;color:var(--color-text);font-size:.68rem;font-weight:700;line-height:1.3;overflow-wrap:anywhere}.shelf-portrait__members li:before{width:5px;height:5px;flex:0 0 auto;margin-right:7px;border-radius:50%;background:var(--color-primary);content:""}.shelf-portrait .wooden-bookshelf{position:relative;z-index:1}.shelf-portrait__footer{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:14px;padding-top:18px;color:var(--color-text-dim);font-size:.7rem;font-weight:700;letter-spacing:.04em}.shelf-portrait__footer span:last-child{color:var(--color-primary)}@media(min-width:1080px){.wooden-bookshelf{--shelf-columns: 6}}@media(max-width:980px){.wooden-bookshelf{--shelf-columns: 4;--shelf-base-row-height: 265px}}@media(max-width:760px){body:has(.app-shell--showcase){padding-bottom:0}.shelf-showcase-page{padding-top:22px}.shelf-showcase-controls{grid-template-columns:1fr;gap:18px;padding:17px}.shelf-showcase-controls__export{justify-items:stretch}.shelf-showcase-controls__export p{max-width:none;text-align:left}.shelf-showcase-controls__export .button{width:100%}.shelf-showcase-preview__heading{align-items:flex-start;flex-direction:column;gap:5px}.shelf-showcase-preview__heading>p{text-align:left}}@media(max-width:640px){.wooden-bookshelf{--shelf-columns: 3;--shelf-base-row-height: 228px}.wooden-bookshelf__frame{padding:7px;border-radius:16px 16px 8px 8px}.wooden-bookshelf__slot{padding:23px 7px calc(var(--shelf-plank-height) + 3px)}.wooden-bookshelf__title{right:0;left:0;font-size:.64rem}.wooden-bookshelf__title small{font-size:.53rem}.wooden-bookshelf__title .wooden-bookshelf__registrant{font-size:.52rem}.shelf-portrait{padding:22px 10px 18px;border-radius:20px}.shelf-portrait__header{padding-inline:10px}.shelf-portrait__header h2{font-size:clamp(1.8rem,10vw,3rem)}.shelf-portrait__members{padding:12px}.shelf-portrait__footer{padding-inline:5px}}@media(max-width:520px){.shelf-card__covers.shelf-card__covers--wood{min-height:112px;gap:3px;padding:16px 4px 28px;border-width:5px;border-bottom-width:8px}.shelf-card__covers.shelf-card__covers--wood:after{right:-5px;bottom:-5px;left:-5px;height:23px;border-top-width:3px}.shelf-card__cover-slot{width:27%}.shelf-card__empty-shelf{width:44px;height:44px;margin-bottom:11px}}@media(max-width:360px){.wooden-bookshelf{--shelf-base-row-height: 205px}.wooden-bookshelf__slot{padding-inline:5px}.shelf-showcase-controls fieldset{align-items:stretch;flex-direction:column}.shelf-showcase-controls label{width:100%}}