body{background:var(--ink);color:var(--paper);line-height:1.65}.books-hero{min-height:calc(100svh - 76px);display:grid;grid-template-columns:minmax(0,1fr) minmax(320px,460px);gap:clamp(34px,6vw,90px);align-items:end;padding:clamp(85px,11vw,145px) clamp(24px,7vw,110px) clamp(70px,9vw,110px)}.books-hero-copy,.books-stack{position:relative;z-index:1}.books-hero h1{max-width:980px;margin:24px 0 0;font-size:clamp(54px,7.4vw,112px);line-height:.88;letter-spacing:-.06em}.books-hero h1 em{color:var(--lime);font-style:normal}.books-hero p:not(.page-kicker){max-width:730px;margin:34px 0 0;color:#c8cac2;font-size:clamp(17px,1.55vw,22px)}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:36px}.button{min-height:50px;display:inline-flex;align-items:center;justify-content:space-between;gap:32px;padding:0 18px;border:1px solid var(--line);color:var(--paper);font:700 12px DM Mono,monospace;text-decoration:none;text-transform:uppercase}.button.primary,.button:hover{border-color:var(--lime);background:var(--lime);color:var(--ink)}.books-stack{padding:28px;border:1px solid var(--line);background:rgba(16,20,27,.84);box-shadow:0 30px 80px rgba(0,0,0,.28)}.books-stack span,.section-tag,.library-toolbar span,.library-status,.book-category,.book-level,.books-footer{font:700 10px DM Mono,monospace;letter-spacing:.09em;text-transform:uppercase}.books-stack span,.section-tag,.library-toolbar span,.book-category{color:var(--lime)}.books-stack strong{display:block;margin:28px 0 8px;color:var(--paper);font-size:clamp(82px,8vw,130px);line-height:.85;letter-spacing:-.07em}.books-stack small{color:#c8cac2}.books-stack div{display:flex;flex-wrap:wrap;gap:8px;margin-top:24px}.books-stack b{padding:8px 10px;border:1px solid var(--line);color:var(--lime);font:700 10px DM Mono,monospace;text-transform:uppercase}main{background:var(--paper);color:var(--ink)}.intro-section,.library-section{width:min(calc(100% - 48px),var(--content-max));margin:0 auto}.intro-section{display:grid;grid-template-columns:1fr .95fr;gap:clamp(30px,7vw,92px);align-items:end;padding:clamp(78px,10vw,130px) 0}.intro-section h2{margin:14px 0 0;font-size:clamp(36px,5vw,72px);line-height:1;letter-spacing:-.055em}.intro-section p{color:#565951}.library-section{padding:clamp(70px,9vw,115px) 0;border-top:1px solid var(--dark-line)}.library-toolbar{display:grid;grid-template-columns:minmax(260px,1fr) 240px 240px;border:1px solid var(--dark-line);background:#f7f6f0}.library-toolbar label{display:flex;flex-direction:column;gap:10px;padding:18px;border-right:1px solid var(--dark-line)}.library-toolbar label:last-child{border-right:0}.library-toolbar span{color:var(--lime-dark)}.library-toolbar input,.library-toolbar select{width:100%;min-height:46px;border:1px solid var(--dark-line);border-radius:0;background:var(--paper);color:var(--ink);padding:0 12px;font:600 14px Manrope,sans-serif}.library-toolbar input:focus,.library-toolbar select:focus{outline:2px solid rgba(72,99,0,.22);border-color:var(--lime-dark)}.library-status{min-height:62px;display:flex;align-items:center;justify-content:space-between;gap:16px;color:#666961}.library-status button{border:0;background:transparent;color:var(--lime-dark);cursor:pointer;text-decoration:underline;text-underline-offset:4px}.book-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-top:1px solid var(--dark-line);border-left:1px solid var(--dark-line)}.book-card{min-width:0;display:grid;grid-template-columns:118px 1fr;gap:22px;min-height:330px;padding:24px;border-right:1px solid var(--dark-line);border-bottom:1px solid var(--dark-line);color:var(--ink);text-decoration:none;background:transparent;transition:background .2s ease,color .2s ease}.book-card:hover{background:var(--ink);color:var(--paper)}.book-card:hover .book-description,.book-card:hover .book-author,.book-card:hover .book-meta{color:#c8cac2}.book-cover{width:118px;aspect-ratio:2/3;border:1px solid var(--dark-line);background:var(--ink);overflow:hidden;box-shadow:8px 8px 0 rgba(8,11,16,.12)}.book-cover img{width:100%;height:100%;display:block;object-fit:cover}.cover-fallback{width:100%;height:100%;display:flex;flex-direction:column;justify-content:space-between;padding:12px;background:linear-gradient(160deg,var(--ink),#29311d);color:var(--paper)}.cover-fallback span{font:700 9px DM Mono,monospace;color:var(--lime);text-transform:uppercase}.cover-fallback strong{font-size:16px;line-height:1.05;letter-spacing:-.03em}.book-content{min-width:0;display:flex;flex-direction:column}.book-meta{display:flex;justify-content:space-between;gap:10px;color:#666961}.book-category,.book-level{white-space:nowrap}.book-level{color:#666961}.book-title{margin:24px 0 8px;font-size:clamp(22px,2vw,31px);line-height:1.08;letter-spacing:-.045em}.book-author{margin:0;color:#565951;font-size:14px}.book-description{margin:16px 0 18px;color:#565951}.book-link{margin-top:auto;width:max-content;padding:9px 11px;border:1px solid var(--dark-line);color:var(--lime-dark);font:700 10px DM Mono,monospace;text-transform:uppercase}.book-card:hover .book-link{border-color:var(--lime);color:var(--lime)}.empty-state{padding:70px 20px;text-align:center;border:1px solid var(--dark-line)}.empty-state strong,.empty-state span{display:block}.empty-state span{margin-top:8px;color:#666961}.books-footer{min-height:96px;display:flex;justify-content:space-between;align-items:center;gap:24px;padding:24px clamp(20px,4vw,72px);border-top:1px solid var(--line);background:var(--ink);color:var(--muted)}.books-footer a{color:inherit;text-decoration:none}.books-footer>a:last-child:hover{color:var(--lime)}@media(max-width:1180px){.book-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:920px){.books-hero,.intro-section,.library-toolbar{grid-template-columns:1fr}.library-toolbar label{border-right:0;border-bottom:1px solid var(--dark-line)}.library-toolbar label:last-child{border-bottom:0}}@media(max-width:680px){.books-hero{min-height:auto;padding:78px 20px 62px}.books-hero h1{font-size:48px}.button{width:100%}.intro-section,.library-section{width:calc(100% - 40px)}.book-grid{grid-template-columns:1fr}.book-card{grid-template-columns:92px 1fr;gap:16px;padding:18px}.book-cover{width:92px}.book-meta{display:grid}.books-footer{align-items:flex-start;flex-direction:column}}