:root{color-scheme:light;--ink:#243633;--muted:#61706a;--teal:#205e52;--line:#dddcd0;--paper:#fffdf7;--page:#f5f3eb;--orange:#af5639;font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-size:16px;color:var(--ink);background:var(--page)}
*{box-sizing:border-box}body{margin:0}button,input,select,textarea{font:inherit}button{cursor:pointer;color:inherit;border:0;background:none;line-height:1.4}button:disabled{cursor:default;opacity:.55}button,a,summary{-webkit-tap-highlight-color:transparent}button,summary{min-height:44px}button:focus-visible,a:focus-visible,summary:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid #b56836;outline-offset:3px}[hidden]{display:none!important}h1,h2,p{margin:0}h1{font-size:1.75rem;line-height:1.2;letter-spacing:-.035em;font-weight:700}h1:focus{outline:none}h2{font-size:1.1rem;line-height:1.4}p{line-height:1.6}a{color:var(--teal)}.skip{position:fixed;left:10px;top:-100px;background:white;padding:12px;z-index:10}.skip:focus{top:10px}.topbar{max-width:1040px;margin:auto;padding:20px 28px;display:flex;align-items:center;justify-content:space-between;gap:20px;border-bottom:1px solid var(--line)}.identity{display:flex;gap:9px;align-items:center;text-decoration:none;color:var(--ink);font-weight:700}.identity>span{min-width:0}.identity small{display:block;color:var(--muted);font-size:.75rem;font-weight:400;margin-top:1px}.views{display:flex;gap:5px;flex-wrap:wrap}.views button{padding:10px 18px;border-radius:8px;color:var(--muted);font-size:.9375rem}.views button[aria-current=page]{background:var(--ink);color:#fffdf5;font-weight:650}.views span:empty{display:none}.views span{font-size:.75rem;margin-left:2px}#app{max-width:700px;margin:auto;padding:28px 28px 48px}.home-intro,.collection-intro{color:var(--muted);font-size:.875rem;margin-top:8px;line-height:1.5}.section-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:44px}.section-heading h2{font-size:.9375rem;font-weight:650;letter-spacing:-.015em}.section-action{padding:6px 0;color:var(--teal);font-size:.8125rem;font-weight:600;text-align:right}.home-books{margin-top:14px}.home-topics,.home-picks{margin-top:18px}.book-shelf{display:grid;grid-template-columns:1fr 1fr;gap:12px}.book-tile{position:relative;overflow:hidden;width:100%;min-height:158px;border-radius:4px 12px 12px 4px;text-align:left;padding:16px 16px 13px 19px;box-shadow:inset 5px 0 0 #00000013,0 5px 10px #2938330b;display:flex;flex-direction:column;align-items:flex-start}.book-impossible{background:#243f43;color:#fff5db}.book-mastery{background:#d8bda0;color:#3c3028}.book-impossible:after{content:"";position:absolute;right:-20px;bottom:-28px;width:110px;height:110px;border:1px solid #dec8a970;border-radius:50%;box-shadow:0 0 0 16px #ffffff05,0 0 0 33px #ffffff05;pointer-events:none}.book-mastery:after{content:"";position:absolute;right:15px;bottom:13px;width:24px;height:24px;border:1px solid #934d37;transform:rotate(45deg);pointer-events:none}.book-kicker{display:block;font-size:.5625rem;letter-spacing:.12em;font-weight:650;opacity:.8}.book-title{display:block;font-family:Georgia,"Times New Roman",serif;font-size:1.5rem;font-weight:400;line-height:1.12;margin-top:12px;max-width:160px}.book-impossible .book-title{font-size:1.25rem;max-width:140px}.book-author{display:block;font-size:.75rem;margin-top:9px;line-height:1.4}.book-count{display:block;font-size:.6875rem;margin-top:auto;padding-top:16px;opacity:.9}.book-tile:hover{filter:brightness(1.04)}.topic-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:8px}.topic-tile{display:flex;align-items:center;justify-content:flex-start;gap:7px;grid-column:span 2;min-height:48px;border:1px solid var(--line);background:#eeeee2;border-radius:9px;padding:10px 9px;font-size:.8125rem;font-weight:600;text-align:left}.topic-tile:nth-last-child(-n+2){grid-column:span 3}.topic-mark{font-size:1.2rem;line-height:1;color:var(--teal)}.topic-tile:hover{background:#e4e9df;border-color:#8daba0}.home-footnote{font-size:.75rem;color:var(--muted);margin-top:24px}.idea-list{display:grid;gap:12px}.idea-card{display:block;width:100%;padding:18px;text-align:left;border:1px solid var(--line);background:var(--paper);border-radius:12px;overflow-wrap:break-word}.idea-card:hover{border-color:#8aab9c}.card-meta{display:flex;align-items:center;justify-content:space-between;gap:12px}.card-topic{font-size:.625rem;letter-spacing:.07em;text-transform:uppercase;color:var(--orange);font-weight:700}.card-arrow{color:var(--teal);font-size:1rem;line-height:1}.card-title{display:block;font-size:1.125rem;line-height:1.3;font-weight:650;letter-spacing:-.025em;margin-top:8px}.card-takeaway{font-size:.875rem;color:#59665c;line-height:1.45;margin-top:8px}.card-source{display:block;font-size:.6875rem;color:var(--muted);line-height:1.5;margin-top:12px}.home-picks .idea-card:first-child{border-left:3px solid var(--orange);padding-left:16px}.synthesis-link{display:block;width:100%;min-height:48px;text-align:left;font-size:.8125rem;color:var(--teal);border-bottom:1px solid var(--line);margin:12px 0 14px;padding:10px 0}.back{display:block;padding:4px 0 10px;color:var(--teal);margin:0 0 16px;font-size:.875rem;text-align:left}.book-banner{padding:20px 22px;border-radius:4px 12px 12px 4px;box-shadow:inset 5px 0 0 #00000013}.book-banner h1{font-family:Georgia,"Times New Roman",serif;font-weight:400;font-size:2rem;margin-top:8px;line-height:1.15;letter-spacing:-.03em}.book-banner .book-author{font-size:.875rem}.book-personal{background:#e6e9d5;color:var(--ink)}.collection-filters{display:grid;gap:12px;margin-top:20px}.topic-filters{display:flex;flex-wrap:wrap;gap:7px}.topic{flex:0 0 auto;min-height:44px;border:1px solid var(--line);border-radius:24px;padding:9px 14px;background:var(--paper);color:var(--muted);font-size:.8125rem}.topic[aria-pressed=true]{background:var(--ink);border-color:var(--ink);color:white}.search{display:block;width:100%;padding:12px 14px;min-height:46px;border:1px solid #b6c2b5;border-radius:10px;background:var(--paper);color:var(--ink)}.count{font-size:.75rem;color:var(--muted);margin:14px 0}.notes-link{margin-top:14px;margin-bottom:20px}.note-preview{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;color:var(--muted);font-size:.875rem;margin-top:8px;white-space:pre-wrap}.row-date{display:block;color:var(--muted);font-size:.6875rem;margin-top:8px}.empty{padding:24px 0;color:var(--muted)}.empty p{margin-bottom:20px}
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@media(min-width:1000px){#app{padding-top:36px}.book-tile{min-height:200px;padding:22px 24px}.book-title{font-size:2rem;max-width:240px}.book-impossible .book-title{font-size:1.7rem;max-width:200px}.book-author{font-size:.875rem}.book-kicker{font-size:.625rem}.book-count{font-size:.8125rem}.topic-tile{justify-content:center;min-height:54px}.home-topics,.home-picks{margin-top:24px}}
@media(max-width:600px){.topbar{padding:14px 20px 10px;display:block}.identity{font-size:1rem}.identity img{width:26px;height:26px}.identity small{font-size:.6875rem}.views{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));margin-top:12px;gap:4px}.views button{padding:9px 12px;font-size:.875rem}#app{padding:20px 20px 36px}h1{font-size:1.5rem}.home-intro{font-size:.8125rem;margin-top:6px}.book-tile{min-height:145px;padding:13px 12px 12px 17px}.book-title{font-size:1.6rem;margin-top:11px}.book-impossible .book-title{font-size:1.25rem}.book-count{padding-top:14px}.section-heading{min-height:40px}.home-books{margin-top:12px}.home-topics,.home-picks{margin-top:16px}.topic-tile{min-height:46px;font-size:.75rem;padding:8px}.topic-mark{font-size:1.1rem}.idea-card{padding:16px}.home-picks .idea-card:first-child{padding-left:14px}.card-title{font-size:1.0625rem}.card-takeaway{font-size:.8125rem}.book-banner{padding:18px}.book-banner h1{font-size:1.875rem}.reading h1{font-size:2rem}.reading .principle{font-size:1.0625rem}.utilities{padding:0 20px 32px}.back{margin-bottom:10px}.topic{font-size:.75rem;padding:9px 12px}}
@media(max-width:350px){.topic-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.topic-tile,.topic-tile:nth-last-child(-n+2){grid-column:span 1}.topic-tile:last-child{grid-column:span 2}.book-shelf{gap:9px}.book-impossible .book-title{font-size:1.125rem}.book-author{font-size:.6875rem}}
@media(prefers-reduced-motion:no-preference){button{transition:background .12s,border-color .12s}}
/* Reflow enlarged text without clipping book names or navigation. */
.book-shelf{grid-template-columns:repeat(auto-fit,minmax(min(100%,8rem),1fr))}.book-title{max-width:10rem;overflow-wrap:break-word}.book-impossible .book-title{max-width:9rem}.topic-grid{display:flex;flex-wrap:wrap}.topic-tile,.topic-tile:nth-last-child(-n+2){flex:1 1 6rem;grid-column:auto}.section-heading{flex-wrap:wrap}.views button{overflow-wrap:break-word}
@media(max-width:600px){.views{display:flex;flex-wrap:wrap}.views button{flex:1 1 auto;min-width:fit-content}}
.topbar{position:sticky;top:0;z-index:4;background:var(--page)}html{scroll-padding-top:120px}.skip{z-index:8}
.book-banner{position:relative;overflow:hidden}
/* One navigation: a thumb bar on phones, header navigation on desktop. */
.topbar{position:sticky;top:0;display:flex;align-items:center;flex-wrap:wrap}.identity{order:0}.views{order:1;margin-left:auto}.more-options{order:2;display:flex;align-items:center;gap:6px;font-size:.8125rem;color:var(--muted);padding:8px 10px;min-height:44px}.more-options>span{font-size:1.4rem;line-height:1}.views button{display:flex;align-items:center;justify-content:center;gap:7px}.views svg{width:19px;height:19px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linejoin:round;stroke-linecap:round}.views .nav-label{font-size:.875rem}.views .nav-label>span{font-size:.75rem}.topic-overview{display:grid;gap:10px;margin:24px 0 12px}.topic-overview-row{display:flex;align-items:center;gap:15px;background:#eeeee2;border:1px solid var(--line);border-radius:12px;min-height:72px;padding:14px 18px;text-align:left}.topic-overview-row>.topic-mark{font-size:1.7rem;min-width:30px}.topic-overview-row strong{display:block;font-size:1rem}.topic-overview-row small{display:block;font-size:.75rem;color:var(--muted);margin-top:4px}.topic-arrow{margin-left:auto;color:var(--teal)}.options-dialog{width:min(480px,calc(100% - 32px));max-height:calc(100dvh - 40px);overflow:auto;border:1px solid var(--line);border-radius:16px;padding:22px;background:var(--paper);color:var(--ink);box-shadow:0 12px 50px #24363330}.options-dialog::backdrop{background:#24363355}.options-heading{display:flex;align-items:center;justify-content:space-between;gap:15px}.options-heading h2{font-size:1.25rem}.options-heading button{font-size:1.6rem;min-width:44px;color:var(--muted)}.data-tools{margin-top:12px;border:0;padding:0}.data-tools h3{font-size:.9375rem;margin:0}.data-tools .file-actions{display:grid;gap:8px}.data-tools .file-actions button{width:100%}.data-tools .text-button{text-align:center}html{scroll-padding-top:calc(var(--header-height,72px) + 12px);scroll-padding-bottom:calc(var(--nav-height,0px) + 24px)}
@media(max-width:600px){body{padding-bottom:calc(var(--nav-height,78px) + 16px)}.topbar{display:flex;flex-wrap:nowrap;justify-content:space-between;padding:12px 20px;gap:12px}.identity{flex:1}.more-options{flex:none;padding-right:0}.views{position:fixed;bottom:0;left:0;right:0;z-index:6;display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,4rem),1fr));gap:4px;margin:0;padding:8px 12px calc(8px + env(safe-area-inset-bottom));background:var(--page);border-top:1px solid var(--line)}.views button{flex:none;min-width:0;min-height:58px;padding:6px 4px;display:flex;flex-direction:column;gap:4px;border-radius:10px}.views svg{width:21px;height:21px}.views .nav-label{font-size:.75rem;line-height:1.2;overflow-wrap:break-word}.views button[aria-current=page]{background:#e3e9de;color:var(--teal)}#app{padding-top:22px;padding-bottom:28px}.home-topics{margin-top:22px}}
/* Catalog layout: cards scale with the viewport, rather than tall cover mockups. */
#app{max-width:1120px;padding:36px 32px 56px}.topbar{max-width:1120px}
body[data-screen=idea] #app,body[data-screen=saved] #app,body[data-screen=reflections] #app{max-width:760px}
.home-intro{max-width:680px;font-size:.9375rem;line-height:1.6}
.home-books{margin-top:26px}.home-topics{margin-top:30px}.section-heading{margin-bottom:12px}
.book-shelf{grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.book-tile{min-width:0;min-height:216px;padding:20px 22px;border:1px solid #d9ddd3;border-radius:12px;box-shadow:0 3px 8px #29383308;overflow:hidden}
.book-title,.book-impossible .book-title{max-width:none;font-size:1.45rem;line-height:1.18;margin-top:12px;overflow-wrap:anywhere}
.book-subtitle{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;font-size:.8125rem;line-height:1.45;margin-top:8px;color:var(--muted)}
.book-author{font-size:.8125rem;margin-top:10px}.book-kicker{font-size:.625rem;letter-spacing:.09em}.book-count{font-size:.8125rem;font-weight:600;padding-top:20px}
.catalog-book{background:var(--paper);border-left:3px solid #a8bcae}.catalog-book:hover{border-color:var(--teal);background:#f1f4ec}.has-ideas{border:0}.has-ideas .book-subtitle{color:inherit;opacity:.8}
.book-tile:focus-visible{outline-offset:4px}
.topic-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.topic-tile,.topic-tile:nth-last-child(-n+2){grid-column:auto;min-height:52px;justify-content:flex-start;padding:12px 16px;font-size:.875rem;gap:10px}
.topic-overview{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.topic-overview-row{min-width:0;padding:14px;gap:10px}.topic-overview-row strong{font-size:.9375rem}.topic-overview-row small{line-height:1.4}.topic-overview-row>.topic-mark{min-width:20px}
.collection-filters{display:flex;gap:12px;margin:22px 0 20px}.collection-filters .search{flex:1;min-width:0}.collection-filters .category-select{flex:0 0 230px}.collection-filters:has(.topic-filters){display:grid}
#catalog-shelf+.count{margin-top:28px}.idea-list{grid-template-columns:repeat(2,minmax(0,1fr))}body[data-screen=idea] .idea-list,body[data-screen=saved] .idea-list,body[data-screen=reflections] .idea-list{grid-template-columns:1fr}
body[data-screen=library] .synthesis-link{margin:16px 0 0}.book-banner{max-width:700px}
@media(min-width:1500px){.book-shelf{grid-template-columns:repeat(4,minmax(0,1fr))}.home-books .book-shelf{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:800px){#app{padding:28px 24px 40px}.book-shelf{grid-template-columns:repeat(2,minmax(0,1fr))}.topic-overview{grid-template-columns:repeat(2,minmax(0,1fr))}.topic-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.collection-filters .category-select{flex-basis:190px}}
@media(max-width:600px){#app{padding:22px 20px 28px}.home-intro{font-size:.8125rem}.home-books{margin-top:18px}.home-topics{margin-top:24px}.book-shelf{grid-template-columns:1fr;gap:12px}.home-books .book-shelf{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.book-tile{min-height:0;padding:18px}.book-title,.book-impossible .book-title{font-size:1.35rem;line-height:1.2}.home-books .book-tile{min-height:185px;padding:15px}.home-books .book-title,.home-books .book-impossible .book-title{font-size:1.18rem}.home-books .book-subtitle{font-size:.75rem}.book-subtitle{font-size:.8125rem}.book-author{font-size:.75rem}.book-count{font-size:.75rem;padding-top:16px}.book-kicker{font-size:.5625rem}.topic-tile,.topic-tile:nth-last-child(-n+2){padding:10px 12px;font-size:.8125rem}.topic-overview{grid-template-columns:1fr}.collection-filters{flex-direction:column}.collection-filters .category-select{flex:auto}.idea-list{grid-template-columns:1fr}.reading h1{font-size:2rem}}

#app.book-detail{max-width:760px}
/* Detail and collection refinements; accepted Home rules remain unchanged. */
.book-catalog-band{background:#e9eee3;border:1px solid #cbd6c8;color:var(--ink)}.book-detail-subtitle{font-size:.9375rem;line-height:1.5;margin-top:10px;color:inherit;opacity:.85}
.book-actions{display:flex;align-items:center;flex-wrap:wrap;gap:12px;margin-top:24px}.book-actions .external-book{display:block;min-height:48px;padding:12px 18px;border:1px solid var(--teal);border-radius:10px;text-align:center;text-decoration:none;background:var(--paper)}
.book-detail .idea-list{margin-top:18px;grid-template-columns:1fr}.start-idea{border-left:3px solid var(--teal);background:#f0f4e9}.start-label{font-size:.625rem;letter-spacing:.06em;text-transform:uppercase;color:var(--teal);font-weight:700;margin-right:12px}.start-idea .card-topic{margin-left:auto;margin-right:12px}
.next-idea{margin:20px 0 24px;padding:18px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.next-idea button{text-align:left;width:100%}.topic-all{margin-top:20px}.topic-group-title{margin-top:30px}.topic-empty-intro{padding:20px;border:1px solid var(--line);border-radius:12px;background:var(--paper);margin:0 0 20px}.topic-empty-intro p{margin:8px 0 16px;color:var(--muted)}.search-empty button{margin-right:16px}
@media(max-width:600px){.book-actions{flex-direction:column;align-items:stretch}.book-actions>*{width:100%}.book-detail .book-banner h1{font-size:1.875rem}.topic-filters{flex-wrap:nowrap;overflow-x:auto;max-width:100%;padding:4px 4px 8px}.topic-filters .topic{white-space:nowrap}.book-detail .idea-list{margin-top:16px}}
/* Read one idea at a time; supporting content opens on demand. */
.book-detail .book-banner{padding:18px 20px}.book-detail .book-banner h1{font-size:1.9rem}.book-detail .book-banner .book-author{font-size:.8125rem;margin-top:8px}.book-detail .collection-intro{font-size:.875rem;line-height:1.5;margin:14px 0}.start-reading{margin:0 0 24px}.choose-idea{font-size:1rem;margin-bottom:12px}.book-detail #result-count{display:none}.book-detail .idea-list{gap:10px;margin-top:0}
.idea-row{width:100%;display:flex;align-items:center;gap:16px;text-align:left;background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:16px 18px;min-height:86px}.idea-row:hover{border-color:var(--teal);background:#f0f4e9}.idea-row-number{font-size:.875rem;color:var(--muted);flex:none}.idea-row-copy{flex:1;min-width:0}.idea-row-copy strong{display:block;font-size:1rem;line-height:1.35;font-weight:650}.idea-row-copy small{display:block;font-size:.75rem;color:var(--muted);margin-top:5px}.idea-row-arrow{font-size:1.2rem;color:var(--teal);flex:none}.book-detail #book-about{margin-top:24px}
.progressive-reading .reading-position{font-size:.8125rem;line-height:1.4;color:var(--muted);margin-bottom:16px}.progressive-reading h1{font-family:inherit;font-size:1.9rem;font-weight:650;line-height:1.2;letter-spacing:-.035em}.progressive-reading .principle{margin-top:18px;font-size:1.125rem;line-height:1.65}.reading-actions{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:12px;align-items:start;margin-top:24px}.reading-actions .save-area{margin:0}.reading-actions button{min-height:48px}.reading-actions .status:empty{display:none}.reading-actions .status{max-width:190px}.next-caption{font-size:.8125rem;color:var(--muted);line-height:1.5;margin-top:10px}.idea-details{margin-top:28px}.detail-heading{font-size:.9375rem;color:var(--muted);font-weight:600;margin-bottom:8px}.progressive-reading .disclosure{margin-top:0;border-bottom:1px solid var(--line)}.progressive-reading summary{padding:14px 0;font-size:.9375rem;font-weight:600}.progressive-reading .disclosure[open]{padding-bottom:10px}.progressive-reading .disclosure>p{font-size:.9375rem;color:var(--ink);line-height:1.65}.progressive-reading #related{border-top:0;padding-top:0}.progressive-reading #related button{display:block;width:100%;padding:12px 0}.progressive-reading #application{scroll-margin-top:calc(var(--header-height,72px) + 16px)}
@media(max-width:600px){.book-detail .book-banner h1{font-size:1.6rem}.book-detail .book-banner{padding:16px 18px}.book-detail .book-banner .book-kicker{font-size:.625rem}.start-reading{width:100%;margin-bottom:24px}.idea-row{padding:14px;gap:12px;min-height:82px}.idea-row-copy strong{font-size:.9375rem}.idea-row-copy small{font-size:.6875rem}.progressive-reading h1{font-size:1.55rem}.progressive-reading .principle{font-size:1rem;line-height:1.6;margin-top:14px}.progressive-reading .reading-position{font-size:.75rem;margin-bottom:12px}.reading-actions{gap:10px;margin-top:20px;grid-template-columns:minmax(0,1fr) auto}.reading-actions button{padding:12px 14px;font-size:.8125rem}.reading-actions .status{font-size:.75rem;max-width:140px}.idea-details{margin-top:22px}.progressive-reading summary{min-height:50px}.next-caption{font-size:.75rem}}

/* Keep provenance visible without expanding the focused reading view. */
.progressive-reading .reading-position{margin-bottom:6px}.progressive-reading .reading-attribution{margin:0 0 16px;font-size:.75rem;line-height:1.5;color:var(--muted)}

/* A short reading path, with one optional doorway into supporting material. */
.progressive-reading .idea-summary{margin-top:22px}.progressive-reading .summary-heading{font-size:.6875rem;letter-spacing:.09em;text-transform:uppercase;color:var(--muted);font-weight:650;margin-bottom:10px}.progressive-reading .idea-summary .principle{margin:0;line-height:1.65}.summary-context{font-size:1rem;line-height:1.65;margin-top:10px;color:#475a51}.progressive-reading .reading-actions{display:block;margin-top:24px}.reading-actions .primary{width:100%;text-align:center}.reading-secondary{margin:14px 0 24px}.reading-secondary .save-area{margin:0}.reading-secondary .save-area button{font-size:.8125rem;padding:6px 0;min-height:44px;border:0;border-radius:0;background:none;font-weight:500;text-decoration:underline;text-underline-offset:4px}.reading-secondary .status{max-width:none;margin-top:0}.reading-secondary .status:empty{display:none}.progressive-reading .further-details{margin-top:28px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.further-details>summary{font-weight:600;padding:18px 0}.further-preview,.section-preview{display:block;font-size:.8125rem;font-weight:400;line-height:1.5;color:var(--muted);margin:5px 0 0 15px}.further-details>details{margin-left:14px!important}.further-details>details>summary{font-size:.9375rem}.progressive-reading .further-details .disclosure>p{margin-top:12px;margin-bottom:16px}.progressive-reading .further-details .material-label{font-size:.75rem;color:var(--muted)}.practice-steps{padding-left:24px;margin:16px 0 20px;font-size:.9375rem;line-height:1.65}.practice-steps li{padding-left:5px;margin-bottom:12px}.reflection-prompt{font-size:.9375rem;line-height:1.6;margin:12px 0;color:var(--muted)}
@media(max-width:600px){.progressive-reading .idea-summary{margin-top:20px}.summary-context{font-size:.9375rem;line-height:1.6}.progressive-reading .reading-actions{margin-top:22px}.reading-actions .primary{font-size:.9375rem;min-height:50px}.further-details>details{margin-left:8px!important}.further-preview,.section-preview{font-size:.75rem;margin-left:15px}.reading-secondary{margin-bottom:18px}.progressive-reading .further-details{margin-top:22px}.further-details>summary{padding:16px 0}}

/* Required explanation is part of the main reading path, before Next. */
.progressive-reading .visible-explanation{font-size:1rem;line-height:1.65;color:var(--ink);margin-top:14px}.progressive-reading .summary-heading{font-size:.8125rem;letter-spacing:0;text-transform:none;font-weight:650;margin-bottom:10px}.progressive-reading .idea-summary .principle{font-size:1.0625rem;font-weight:600;line-height:1.6}
@media(max-width:600px){.progressive-reading .visible-explanation{font-size:.9375rem;line-height:1.65;margin-top:14px}.progressive-reading .idea-summary .principle{font-size:1rem}.progressive-reading .summary-heading{font-size:.8125rem}}

/* Catalog companions use the same deliberate book-opening treatment. */
.book-detail .book-catalog-band,.book-detail .book-companion-band{background:#294843;color:#fff5df;border:0;position:relative;overflow:hidden;padding:26px 24px;border-radius:4px 16px 16px 4px;box-shadow:inset 6px 0 0 #ffffff12}
.book-detail .book-catalog-band::after,.book-detail .book-companion-band::after{content:"";position:absolute;width:125px;height:125px;right:-45px;bottom:-55px;border:1px solid #efe2b64d;border-radius:50%;box-shadow:0 0 0 20px #ffffff05;pointer-events:none}
.book-catalog-band .book-kicker{color:#e9d9b3;opacity:1}.book-catalog-band .book-author{opacity:.9}.book-catalog-band h1{max-width:580px}
.companion-pending{margin:24px 0 20px}.pending-eyebrow{font-size:.75rem;color:var(--teal);font-weight:650;margin-bottom:8px}.companion-pending h2{font-size:1.35rem;line-height:1.3;letter-spacing:-.025em}.companion-pending>p:last-child{font-size:.9375rem;line-height:1.65;color:var(--muted);margin-top:12px;max-width:570px}.planned-themes{padding-left:22px;line-height:1.7}.book-detail #catalog-about{margin-top:24px}.book-detail .book-actions .primary{min-width:240px}
@media(max-width:600px){.book-detail .book-catalog-band{padding:22px 20px}.companion-pending h2{font-size:1.2rem}.companion-pending>p:last-child{font-size:.875rem}.book-detail .book-actions .primary{min-width:0;width:100%}}

.companion-scope{font-size:.75rem;line-height:1.5;color:var(--muted);margin-top:12px}.evidence-heading{font-size:.9375rem;margin:18px 0 8px}

/* Readiness-independent backgrounds for every retained book. */
.book-visual.palette-deep{--book-bg:#243f43;--book-fg:#fff5db;--book-accent:#dec8a9}
.book-visual.palette-sand{--book-bg:#d8bda0;--book-fg:#3c3028;--book-accent:#934d37}
.book-visual.palette-charcoal{--book-bg:#303c3d;--book-fg:#fcf0d8;--book-accent:#d5b57b}
.book-visual.palette-olive{--book-bg:#475344;--book-fg:#fff5df;--book-accent:#d4cf91}
.book-visual.palette-rust{--book-bg:#9c573f;--book-fg:#fff6e9;--book-accent:#e9bd8f}
.book-visual.palette-gold{--book-bg:#dfc175;--book-fg:#3c3524;--book-accent:#80602d}
.book-visual.palette-sage{--book-bg:#b7cbb9;--book-fg:#253c32;--book-accent:#537560}
.book-visual.palette-ocean{--book-bg:#38616c;--book-fg:#f1f6ee;--book-accent:#a4ced0}
.book-visual.palette-plum{--book-bg:#66536d;--book-fg:#fff3e6;--book-accent:#d5b9bc}
.book-tile.book-visual,.book-detail .book-banner.book-visual{position:relative;isolation:isolate;background:linear-gradient(145deg,transparent 50%,#0000000b),var(--book-bg);color:var(--book-fg);border:0;box-shadow:inset 6px 0 0 #00000015,0 6px 18px #29383312;overflow:hidden}
.book-tile.book-visual .book-subtitle{color:inherit;opacity:.88}.book-visual .book-author{color:inherit}.book-visual>*{position:relative;z-index:1}.book-visual::after{content:"";position:absolute;pointer-events:none;z-index:0;color:var(--book-accent);opacity:.45;box-shadow:none}
.book-visual.motif-rings::after{width:125px;height:125px;border:1px solid currentColor;border-radius:50%;right:-45px;bottom:-65px;box-shadow:0 0 0 17px #ffffff08,0 0 0 35px #ffffff05}
.book-visual.motif-diamond::after{width:60px;height:60px;border:1px solid currentColor;transform:rotate(45deg);right:-12px;bottom:-24px;box-shadow:0 0 0 14px #ffffff06}
.book-visual.motif-steps::after{width:120px;height:95px;right:-22px;bottom:-22px;border:1px solid currentColor;transform:skewY(-20deg);background:repeating-linear-gradient(0deg,transparent 0 18px,currentColor 19px 20px);opacity:.23}
.book-visual.motif-grid::after{width:110px;height:110px;right:-20px;bottom:-30px;background:repeating-linear-gradient(90deg,transparent 0 25px,currentColor 26px 27px),repeating-linear-gradient(0deg,transparent 0 25px,currentColor 26px 27px);opacity:.2}
.book-visual.motif-arches::after{width:115px;height:150px;right:-28px;bottom:-68px;border:1px solid currentColor;border-radius:70px 70px 0 0;box-shadow:0 0 0 15px #ffffff08}
.book-visual.motif-waves::after{width:155px;height:75px;right:-25px;bottom:-18px;border:1px solid currentColor;border-radius:50%;box-shadow:0 -14px 0 -1px var(--book-bg),0 -15px 0 currentColor,0 -29px 0 -1px var(--book-bg),0 -30px 0 currentColor;opacity:.25}
.book-detail .book-banner.book-visual{padding:26px 26px 22px;border-radius:4px 16px 16px 4px;min-height:215px}.book-detail .book-visual h1{font-family:Georgia,"Times New Roman",serif;font-weight:400;font-size:2.3rem;line-height:1.12;max-width:550px;margin-top:18px}.book-detail .book-visual .book-detail-subtitle{font-size:.9375rem;max-width:550px}.book-detail .book-visual .book-author{font-size:.8125rem;margin-top:14px}.book-detail .book-lens{font-size:.625rem;letter-spacing:.09em;color:inherit;opacity:.9}.book-readiness{margin-top:20px;padding-top:14px;border-top:1px solid #ffffff30;font-size:.75rem;line-height:1.4;opacity:.9}.palette-sand .book-readiness,.palette-sage .book-readiness,.palette-gold .book-readiness{border-top-color:#00000024}
.reading-lens{padding:24px;border:1px solid var(--line);background:var(--paper);border-radius:14px;margin-top:24px;box-shadow:0 4px 14px #29383305}.reading-lens-prompts{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:18px}.reading-lens-prompt{padding:14px;border-radius:10px;background:#edf0e6;display:flex;align-items:flex-start;gap:9px}.reading-lens-prompt p{font-size:.875rem;line-height:1.45;font-weight:550}.lens-marker{color:var(--teal);line-height:1.4}.companion-pending .lens-context{font-size:.75rem;line-height:1.55;margin-top:16px;color:var(--muted)}
@media(max-width:600px){.book-detail .book-banner.book-visual{padding:22px 20px;min-height:205px}.book-detail .book-visual h1{font-size:1.9rem;margin-top:16px}.book-detail .book-visual .book-detail-subtitle{font-size:.8125rem}.book-readiness{font-size:.6875rem;margin-top:16px}.reading-lens{padding:20px}.reading-lens-prompts{grid-template-columns:1fr;gap:8px}.reading-lens-prompt{padding:12px}.reading-lens h2{font-size:1.2rem}}