/* Phase 12: approved AC_UI_22/23. This sheet is scoped: existing pages unchanged. */
.ac-main:has(.ac-book-site)>.ac-container,.ac-book-template {max-width:none!important;width:100%!important;padding:0!important}
.ac-book-site{--book-ink:#311c0c;--book-orange:#ff741a;--book-green:#399d08;--book-border:#e9e0d5;--book-soft:#fbf8f4;color:var(--book-ink);font-family:'DM Sans',Arial,sans-serif;max-width:1660px;margin:auto;padding:clamp(16px,3vw,46px);box-sizing:border-box}
.ac-book-site *{box-sizing:border-box}
.ac-book-site h1,.ac-book-site h2,.ac-book-site h3{color:var(--book-ink);font-family:Manrope,'DM Sans',sans-serif;letter-spacing:-.035em;line-height:1.15;margin:0}
.ac-book-site h1{font-size:clamp(2.25rem,3.6vw,4.2rem);font-weight:850}
.ac-book-site h2{font-size:clamp(1.4rem,2vw,2rem);font-weight:800}
.ac-book-site h3{font-size:1.06rem;font-weight:800}
.ac-book-site p{margin:0;line-height:1.58}
.ac-book-site button,.ac-book-site select,.ac-book-site input{font:inherit}
.ac-book-site a{color:inherit;text-decoration:none}
.ac-book-site a:hover{text-decoration:underline}
.ac-book-eyebrow{font-size:12px;font-weight:850;color:#35840c;text-transform:uppercase;letter-spacing:.13em}
.ac-book-hero{position:relative;min-height:330px;display:grid;grid-template-columns:minmax(0,1fr) 270px;gap:3%;align-items:stretch;background:linear-gradient(90deg,#fffcf8 1%,rgba(255,251,247,.91) 28%,rgba(255,249,242,.14) 68%),var(--ac-book-hero-image) center right/cover no-repeat;border:1px solid var(--book-border);border-radius:22px;overflow:hidden}
.ac-book-hero__content{max-width:750px;padding:clamp(24px,4vw,58px) 0 clamp(24px,4vw,42px) clamp(24px,4vw,58px);position:relative;z-index:1}
.ac-book-hero h1{margin:12px 0 13px;max-width:600px}
.ac-book-hero h1 em{color:#f25c17;font-style:normal;display:block}
.ac-book-hero__content>p{font-size:clamp(15px,1.2vw,18px);max-width:535px;color:#5e5962;font-weight:520}
.ac-book-hero__proof{display:flex;flex-wrap:wrap;gap:10px 23px;margin-top:24px;color:#3e5637;font-weight:750;font-size:12px}
.ac-book-hero__aside{position:relative;z-index:1;background:linear-gradient(155deg,#371905,#2b160b);padding:30px 25px;color:#fff;display:flex;flex-direction:column;justify-content:center;gap:17px}
.ac-book-hero__aside>span{font-size:38px;color:#ffaf18}.ac-book-hero__aside h2{color:#fff;font-size:1.4rem}.ac-book-hero__aside p{color:#f9e6d4;font-size:14px}.ac-book-hero__aside a{display:block;background:#fa6816;color:#fff;border-radius:9px;text-align:center;padding:13px 18px;font-weight:800}
.ac-book-filter-area{padding:23px 0 14px}
.ac-book-filters{display:grid;grid-template-columns:minmax(260px,2.6fr) repeat(4,minmax(110px,1fr)) 115px;gap:9px;align-items:stretch}
.ac-book-filters input,.ac-book-filters select{height:48px;width:100%;min-width:0;background:white;color:#453426;border:1px solid var(--book-border);border-radius:10px;padding:0 12px;font-size:13px}
.ac-book-filters button{background:#398e13;color:white;border:0;border-radius:10px;font-weight:750;cursor:pointer}
.ac-book-topics{display:flex;gap:7px;overflow:auto;padding:13px 0 4px;scrollbar-width:thin}
.ac-book-topics a{white-space:nowrap;background:#fff;border:1px solid var(--book-border);padding:9px 14px;border-radius:9px;font-size:12px;font-weight:750}
.ac-book-topics a.is-active{background:#159019;color:white;border-color:#159019}
.ac-book-content-grid{display:grid;grid-template-columns:minmax(0,1fr) 238px;gap:22px;margin-top:16px;align-items:start}
.ac-book-main{min-width:0}.ac-book-result-head{display:flex;justify-content:space-between;align-items:end;gap:15px;margin:0 0 18px}.ac-book-result-head h2{margin:5px 0}.ac-book-result-head p{font-size:13px;color:#796a5d}.ac-book-view{display:flex;gap:5px;background:#fff;border:1px solid var(--book-border);padding:4px;border-radius:10px}.ac-book-view button{font-size:13px;padding:7px 10px;border:0;border-radius:7px;background:transparent;cursor:pointer;color:#52463a}.ac-book-view button.is-active{color:#fff;background:#329e07}
.ac-book-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;align-items:stretch}
.ac-book-card{min-width:0;background:#fff;border:1px solid #ece3db;border-radius:14px;overflow:hidden;box-shadow:0 6px 22px rgba(43,28,13,.045);display:flex;flex-direction:column;transition:transform .2s ease,box-shadow .2s ease}
.ac-book-card:hover{transform:translateY(-3px);box-shadow:0 12px 27px rgba(43,28,13,.095)}
.ac-book-card__visual{height:clamp(190px,22vw,265px);display:flex;align-items:stretch;justify-content:center;background:linear-gradient(145deg,#e5ece4,#e3d6c5);position:relative;overflow:hidden}
.ac-book-card__visual img{width:100%;height:100%;object-fit:cover;object-position:center top}.ac-book-no-cover{width:100%;height:100%;min-height:160px;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:12px;text-align:center;padding:24px;color:#fff;background:linear-gradient(140deg,#133a57,#076357 58%,#2e6b58)}.ac-book-no-cover>span{font-size:34px}.ac-book-no-cover strong{font-family:Manrope,sans-serif;font-size:clamp(17px,1.8vw,25px);line-height:1.2}.ac-book-no-cover small{opacity:.8}
.ac-book-tag{position:absolute;right:10px;top:10px;padding:7px 10px;border-radius:7px;color:#fff;font-size:11px;font-weight:900;background:#ee621b}.ac-book-tag.is-free{background:#2e990b}
.ac-book-card__body{padding:13px;display:flex;flex:1;flex-direction:column;gap:7px}.ac-book-card__topic{font-size:11px;color:#2d8332;font-weight:800}.ac-book-card h3{font-size:16px;line-height:1.33}.ac-book-card__body>p{font-size:12px;color:#71695d}.ac-book-card__meta{display:flex;flex-wrap:wrap;gap:10px;font-size:11px;color:#675b52;margin-bottom:7px}.ac-book-button{display:inline-flex;align-items:center;justify-content:center;min-height:39px;padding:10px 12px;border:1px solid transparent;border-radius:9px;font-size:13px;font-weight:850;text-align:center;cursor:pointer}
.ac-book-button--green{background:#2f980e;color:#fff!important}.ac-book-button--outline{background:#fff;border-color:#f7753c;color:#db5413!important}.ac-book-button--disabled{color:#75452d;background:#fff4eb;border-color:#f1d5bf;cursor:not-allowed}.ac-book-card .ac-book-button{width:100%;margin-top:auto}.ac-book-card .ac-book-button+.ac-book-button{margin-top:1px}
.ac-book-side{display:flex;flex-direction:column;gap:15px}.ac-book-side-card{border:1px solid var(--book-border);background:#fff;border-radius:14px;padding:20px}.ac-book-side-card h3{font-size:18px;margin:0 0 8px}.ac-book-side-card p{font-size:13px;color:#665f56;margin:8px 0}.ac-book-side-card a{display:block;border:1px solid #ff721e;color:#d8500b;text-align:center;padding:10px 12px;border-radius:8px;font-size:13px;font-weight:800;margin-top:15px}.ac-book-side-card.is-green{background:linear-gradient(145deg,#edf8e9,#fbfff8)}.ac-book-side-card.is-accent{background:#fff7ed}
.ac-book-grid.is-list{grid-template-columns:1fr}.ac-book-grid.is-list .ac-book-card{flex-direction:row}.ac-book-grid.is-list .ac-book-card__visual{width:170px;height:200px;flex:none}.ac-book-grid.is-list .ac-book-card__body{justify-content:center}.ac-book-grid.is-list .ac-book-button{width:auto;align-self:start;margin-top:2px}
.ac-book-pagination{display:flex;gap:7px;margin-top:25px}.ac-book-pagination a{padding:8px 14px;border:1px solid var(--book-border);border-radius:9px;background:#fff}.ac-book-pagination a[aria-current]{background:#299510;color:#fff}
.ac-book-empty{padding:clamp(30px,4vw,65px);border:1px dashed #dacaaf;border-radius:18px;background:#fff;text-align:center}.ac-book-empty h2{margin-bottom:10px}.ac-book-empty p{color:#655a4f}.ac-book-empty a{display:inline-flex;margin-top:14px;padding:12px 17px;background:#2f9b11;color:#fff;border-radius:9px;font-weight:750}
.ac-book-breadcrumb{display:flex;gap:11px;flex-wrap:wrap;font-size:13px;font-weight:650;color:#75685b;margin-bottom:20px}.ac-book-breadcrumb a:hover{color:#369510}
.ac-book-detail-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.03fr);gap:20px;align-items:start}
.ac-book-detail-info,.ac-book-reader-card{background:#fff;border:1px solid var(--book-border);border-radius:16px;overflow:hidden}
.ac-book-detail-info{padding:clamp(16px,2.5vw,28px)}
.ac-book-intro{display:grid;grid-template-columns:minmax(165px,38%) minmax(0,1fr);gap:20px;align-items:start}.ac-book-detail-cover{position:relative;min-width:0;min-height:250px;overflow:hidden;border-radius:10px;background:#1b513d}.ac-book-detail-cover img{display:block;width:100%;max-height:420px;object-fit:cover;object-position:center top}
.ac-book-intro-copy h1{font-size:clamp(1.65rem,2.2vw,2.75rem);margin:9px 0 13px}.ac-book-byline{font-size:14px;color:#615c58}.ac-book-description{font-size:14px;line-height:1.65;margin-top:14px!important}.ac-book-bookfacts{display:flex;flex-wrap:wrap;gap:7px;margin-top:14px}.ac-book-bookfacts span{display:inline-flex;padding:8px 10px;border:1px solid #e3e5df;background:#fbfcfa;border-radius:7px;font-size:12px}
.ac-book-primary-actions{display:flex;flex-wrap:wrap;gap:10px;margin:18px 0 11px}.ac-book-primary-actions .ac-book-button{min-width:150px;flex:1}.ac-book-purchase{padding:15px;background:#fff5ed;border:1px solid #f5dfc9;border-radius:11px;width:100%}.ac-book-purchase p{font-size:12px;margin-top:5px;color:#76594e}
.ac-book-save-form button{background:#fff;border:1px solid #d2e2c9;padding:8px 12px;border-radius:8px;color:#277518;font-weight:750;cursor:pointer}.ac-book-login-tip{font-size:12px}.ac-book-rights-note{display:flex;gap:13px;background:#f6f4ed;padding:14px;border-radius:10px;margin-top:18px;font-size:13px}.ac-book-rights-note>span{font-size:23px}.ac-book-rights-note p{font-size:12px;color:#6c5c50}.ac-book-extra{margin-top:24px;padding-top:23px;border-top:1px solid #eee4da}.ac-book-extra h2{font-size:19px;margin-bottom:10px}.ac-book-article-text{color:#5b5045;font-size:14px;line-height:1.7}.ac-book-article-text>*{max-width:100%}
.ac-book-reader-card{min-height:580px}.ac-book-reader-toolbar{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:11px 13px;border-bottom:1px solid var(--book-border)}.ac-book-reader-name{font-size:13px;font-weight:800;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.ac-book-reader-tools{display:flex;gap:5px;align-items:center}.ac-book-reader-tools button{padding:5px 9px;border:1px solid #ece4de;background:#fff;border-radius:7px;cursor:pointer}.ac-book-reader-tools span{font-size:12px;color:#5c504a;white-space:nowrap}
.ac-book-reader-card iframe{display:block;width:100%;height:clamp(440px,65vw,720px);border:0;background:#45484a}.ac-book-reader-empty{display:flex;min-height:520px;align-items:center;justify-content:center;gap:14px;flex-direction:column;background:#f6f7f6;text-align:center;padding:40px}.ac-book-reader-empty>span{font-size:46px;color:#4b8350}.ac-book-reader-empty p{max-width:300px;font-size:14px;color:#635b55}
.ac-book-reader-bottom{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:13px;background:#fff;font-size:12px}.ac-book-reader-bottom button{background:#eaf6e6;color:#317e15;border:0;border-radius:7px;padding:8px 12px;font-weight:800;cursor:pointer}.ac-book-reader-card:fullscreen{background:white}.ac-book-reader-card:fullscreen iframe{height:calc(100vh - 115px)}
.ac-book-page-head{margin:10px 0 28px}.ac-book-page-head h1{margin:6px 0 12px}.ac-book-page-head p{font-size:17px;color:#65594f}.ac-book-my-library .ac-book-grid{grid-template-columns:repeat(5,minmax(0,1fr))}
.ac-book-proposal{max-width:980px}.ac-book-proposal-form{display:grid;gap:14px;background:white;border-radius:16px;border:1px solid var(--book-border);padding:24px}.ac-book-proposal-form label{display:grid;gap:7px;font-weight:750}.ac-book-proposal-form input,.ac-book-proposal-form textarea{width:100%;border:1px solid var(--book-border);border-radius:9px;padding:12px}.ac-book-feedback{background:#ebf7e9;border-left:4px solid #45a010;padding:14px;margin-bottom:20px!important}.ac-book-feedback.is-error{background:#fff3ed;border-color:#eb6931}
@media(max-width:1350px){.ac-book-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.ac-book-my-library .ac-book-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.ac-book-hero{grid-template-columns:minmax(0,1fr) 235px}}
@media(max-width:1100px){.ac-book-content-grid{grid-template-columns:minmax(0,1fr) 205px}.ac-book-filters{grid-template-columns:minmax(240px,1.5fr) repeat(2,minmax(135px,1fr));gap:8px}.ac-book-filters button{min-height:46px}.ac-book-hero{grid-template-columns:1fr}.ac-book-hero__aside{display:none}.ac-book-hero__content{padding:45px 36px}.ac-book-detail-grid{grid-template-columns:1fr}.ac-book-detail-info{display:block}.ac-book-reader-card{min-height:0}.ac-book-detail .ac-book-reader-card iframe{height:650px}}
@media(max-width:800px){.ac-book-content-grid{grid-template-columns:1fr}.ac-book-side{display:grid;grid-template-columns:repeat(3,minmax(0,1fr))}.ac-book-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.ac-book-my-library .ac-book-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.ac-book-card__visual{height:235px}}
@media(max-width:620px){.ac-book-site{padding:15px 14px 30px}.ac-book-hero{min-height:300px;background:linear-gradient(90deg,rgba(255,251,247,.96),rgba(255,251,247,.82) 52%,rgba(255,251,247,.36)),var(--ac-book-hero-image) center/cover}.ac-book-hero__content{padding:26px 20px}.ac-book-hero h1{font-size:clamp(2.15rem,9vw,3.4rem)}.ac-book-hero__content>p{font-size:14px}.ac-book-hero__proof{font-size:11px;gap:8px;margin-top:18px}.ac-book-filters{grid-template-columns:1fr 1fr}.ac-book-filters .ac-book-search{grid-column:1/-1}.ac-book-filters label{min-width:0}.ac-book-filters select{font-size:12px}.ac-book-filters button{grid-column:1/-1;min-height:44px}.ac-book-result-head{align-items:start}.ac-book-view{flex:none}.ac-book-view button{font-size:11px;padding:6px 8px}.ac-book-grid,.ac-book-my-library .ac-book-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.ac-book-card__visual{height:200px}.ac-book-card__body{padding:11px}.ac-book-card h3{font-size:14px}.ac-book-side{grid-template-columns:1fr}.ac-book-intro{grid-template-columns:115px minmax(0,1fr);gap:13px}.ac-book-detail-cover{min-height:155px}.ac-book-intro-copy h1{font-size:23px;margin:4px 0}.ac-book-byline,.ac-book-description{font-size:12px}.ac-book-bookfacts{gap:4px}.ac-book-bookfacts span{padding:5px;font-size:10px}.ac-book-detail-info{padding:15px}.ac-book-reader-card iframe{height:530px!important}.ac-book-reader-name{max-width:155px}.ac-book-primary-actions .ac-book-button{width:100%;flex:none}.ac-book-side-card{padding:16px}}
@media(max-width:360px){.ac-book-card__visual{height:175px}.ac-book-card h3{font-size:13px}.ac-book-intro{grid-template-columns:90px 1fr}.ac-book-detail-cover{min-height:128px}.ac-book-intro-copy h1{font-size:20px}.ac-book-reader-tools button{padding:5px}.ac-book-reader-name{max-width:95px}}
@media(prefers-reduced-motion:reduce){.ac-book-card{transition:none}}
.ac-book-toc{margin-top:18px;padding-top:20px;border-top:1px solid #eee4da}.ac-book-toc h2{font-size:19px;margin-bottom:12px}.ac-book-toc ol{list-style:none;padding:0;margin:0}.ac-book-toc li+li{border-top:1px solid #eeeae3}.ac-book-toc a{display:flex;justify-content:space-between;gap:10px;padding:12px 6px;font-size:13px;color:#54483d}.ac-book-toc a:hover{background:#f7fbf3;color:#267b12;text-decoration:none}.ac-book-toc small{white-space:nowrap;color:#7a6e5c}

/* Phase 13: verified paid ebook purchase entry point. */
.ac-book-purchase .ac-book-read-action{display:inline-flex;align-items:center;margin-top:12px;padding:10px 18px;border-radius:10px;background:#4e9c0b;color:#fff!important;font-weight:800;text-decoration:none}
.ac-book-purchase .ac-book-read-action:hover{background:#32770d}