:root{--ink:#222522;--muted:#66706b;--line:#dedfdd;--paper:#fff;--soft:#f7f7f4;--green:#078448;--darkgreen:#076238;--tint:#e9f4ed;--rail:260px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:white;font:16px/1.5 LibrarySans,Arial,Helvetica,sans-serif}button,input,select,textarea{font:inherit;color:inherit}a{color:inherit;text-decoration:none}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}a:hover{color:var(--green)}button{cursor:pointer;background:none;border:0}button:disabled{cursor:default;opacity:.35}svg{width:21px;height:21px;flex:none;vertical-align:middle}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #58ad83;outline-offset:3px}.skip{position:fixed;top:-100px;left:20px;background:white;z-index:1000;padding:10px}.skip:focus{top:8px}.header{height:72px;display:flex;align-items:center;gap:30px;padding:0 28px;border-bottom:1px solid var(--line);position:sticky;top:0;background:#fff;z-index:50}.brand{display:flex;align-items:center;gap:8px;font-size:22px;font-weight:800;letter-spacing:1px;white-space:nowrap}.brand span{font-size:11px;letter-spacing:1.4px;background:#222;color:#fff;padding:3px 4px;margin-top:1px}.global-search{position:relative;max-width:510px;flex:1}.global-search input{height:43px;border:1px solid #939a95;border-radius:5px;background:white;padding:0 45px 0 16px;width:100%;font-size:15px}.global-search button{position:absolute;right:5px;top:4px;width:36px;height:35px}.header-nav{margin-left:auto;display:flex;gap:23px;align-items:center;white-space:nowrap}.header-nav>a:not(.button){display:flex;align-items:center;gap:7px;font-size:15px}.button{min-height:42px;padding:9px 17px;border:1px solid var(--line);border-radius:4px;display:inline-flex;justify-content:center;align-items:center;gap:9px;font-size:15px;font-weight:650;line-height:1.4;background:white;cursor:pointer}.button:hover{background:var(--soft);color:var(--ink)}.green{background:var(--green);color:#fff;border-color:var(--green)}.green:hover{background:var(--darkgreen);color:white}.icon-button{display:inline-flex;align-items:center;justify-content:center;width:39px;height:39px;border-radius:4px;flex:none}.icon-button:hover{background:#ebefeb}.library-layout{display:grid;grid-template-columns:224px minmax(0,1fr);min-height:calc(100vh - 72px)}.library-nav{border-right:1px solid var(--line);padding:25px 15px;position:sticky;top:72px;height:calc(100vh - 72px)}.nav-item{width:100%;display:flex;gap:13px;align-items:center;padding:12px 15px;border-radius:5px;font-size:15px;text-align:left}.nav-item.active{background:var(--tint);color:var(--darkgreen);font-weight:650}.nav-item:hover{background:var(--soft)}.nav-section{margin:24px 15px 10px;color:var(--muted);font-size:12px;letter-spacing:1px;font-weight:700;text-transform:uppercase}.nav-sub{display:block;font-size:14px;padding:8px 15px;color:#4c5751}.nav-divider{border:0;border-top:1px solid var(--line);margin:22px 12px}.library-content{padding:32px 40px 48px;max-width:1560px;width:100%;margin:auto}.breadcrumbs{color:var(--muted);font-size:13px;display:flex;gap:8px;align-items:center;margin-bottom:10px}.library-title{display:flex;align-items:flex-start;justify-content:space-between;gap:20px}.library-title h1{font-size:32px;line-height:1.2;letter-spacing:-.8px;margin:0 0 9px;font-weight:700}.library-title p{font-size:15px;color:var(--muted);margin:0}.cas-badge{white-space:nowrap;font-size:12px;letter-spacing:.25px;border:1px solid var(--line);padding:5px 8px;border-radius:3px;margin-top:4px}.type-tabs{display:flex;gap:27px;border-bottom:1px solid var(--line);margin-top:26px}.type-tab{padding:13px 0 12px;font-size:15px;color:var(--muted);border-bottom:3px solid transparent;margin-bottom:-1px;white-space:nowrap}.type-tab.active{color:#111;border-bottom-color:var(--green);font-weight:650}.filterbar{display:flex;gap:10px;align-items:center;flex-wrap:wrap;padding:18px 0}.filterbar select{font-size:14px;border:1px solid var(--line);border-radius:4px;padding:9px 30px 9px 11px;max-width:220px;background:white}.result-count{color:var(--muted);font-size:14px;margin-left:auto}.document-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:28px 24px}.doc-card{position:relative;min-width:0}.cover-link{display:block;position:relative;border:1px solid #d4d8d4;background:#f1f2ef;height:274px;overflow:hidden;border-radius:3px;transition:box-shadow .18s,transform .18s}.cover-link:hover{box-shadow:0 7px 19px #00000016;transform:translateY(-2px)}.cover-link img{display:block;width:100%;height:100%;object-fit:cover;object-position:top}.cover-label{position:absolute;top:8px;left:8px;background:#262c29;color:#fff;font-size:10px;font-weight:700;padding:2px 5px;border-radius:2px;letter-spacing:.4px}.cover-page{position:absolute;bottom:8px;right:8px;font-size:11px;background:#fffefa;color:#333;border:1px solid #ddd;padding:3px 6px;border-radius:2px}.doc-type{font-size:11px;text-transform:uppercase;letter-spacing:.6px;color:var(--green);font-weight:700;display:block;margin:11px 0 5px}.doc-card h2{font-size:16px;line-height:1.4;letter-spacing:-.1px;margin:0 26px 6px 0;font-weight:650;min-height:45px}.publisher{font-size:13px;color:#5d6861;margin:0 0 5px}.card-meta{font-size:12px;color:#788079;display:flex;gap:6px;align-items:center}.card-save{position:absolute;right:-6px;bottom:42px}.source-indicator{display:inline-flex;align-items:center;gap:4px;font-size:11px;margin-top:7px;color:#69746c}.source-indicator svg{width:13px;height:13px}.collection-note{background:#f7f8f5;border:1px solid var(--line);padding:18px 20px;margin:32px 0 0;display:flex;gap:13px;align-items:flex-start;color:#536057;font-size:14px}.collection-note b{display:block;color:var(--ink);font-weight:650;margin-bottom:4px}.collection-note a{text-decoration:underline}.footer{border-top:1px solid var(--line);margin-top:35px;padding-top:22px;display:flex;gap:16px;justify-content:space-between;color:var(--muted);font-size:12px}.footer a{text-decoration:underline}.empty{padding:64px 20px;text-align:center;color:var(--muted);grid-column:1/-1;border:1px dashed var(--line);border-radius:6px}.empty h2{font-size:20px;color:var(--ink)}.empty .button{margin-top:15px}.placeholder-cover{padding:32px 22px;background:white;height:100%;display:flex;flex-direction:column;justify-content:space-between}.placeholder-cover b{font-size:24px;line-height:1.2}.placeholder-cover span{color:var(--muted);font-size:12px}.loading{padding:55px;color:var(--muted);text-align:center}.error{color:#92392b;background:#fff3f0;border:1px solid #e9b9af;padding:15px;border-radius:4px}.reader-layout{display:grid;grid-template-columns:290px minmax(0,1fr) 225px;align-items:start}.doc-info{padding:20px 22px;border-right:1px solid var(--line);min-height:calc(100vh - 72px);overflow-wrap:anywhere}.doc-info .breadcrumbs{font-size:12px;margin-bottom:14px}.stats{display:flex;gap:7px;align-items:center;flex-wrap:wrap;color:#68716a;font-size:12px;margin-bottom:10px}.stats svg{width:14px;height:14px}.doc-info h1{font-size:24px;letter-spacing:-.6px;line-height:1.28;margin:0 0 16px}.doc-description{font-size:14px;line-height:1.65;color:#4c5750;margin:0 0 18px}.supplier-row{font-size:13px;color:var(--muted);margin-bottom:19px}.supplier-row b{display:block;font-size:14px;color:var(--ink);margin:5px 0;font-weight:600}.label-chip{display:inline-block;font-size:11px;padding:3px 6px;border:1px solid #cbdace;background:#f2f8f3;color:#43624e;border-radius:3px}.document-specs{margin:20px 0;font-size:13px}.document-specs>div{display:grid;grid-template-columns:84px 1fr;gap:6px;padding:7px 0;border-bottom:1px solid #efefeb}.document-specs dt{color:var(--muted)}.document-specs dd{margin:0}.info-actions{display:grid;grid-template-columns:repeat(3,1fr);gap:6px}.action-tile{background:var(--soft);border-radius:4px;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:7px;min-height:65px;font-size:12px;padding:8px 3px}.action-tile:hover{background:var(--tint);color:var(--darkgreen)}.source-link{font-size:13px;display:flex;gap:7px;align-items:center;margin-top:19px;text-decoration:underline}.source-link svg{width:16px;height:16px}.doc-disclaimer{font-size:12px;color:#788078;margin-top:18px;line-height:1.55}.reader-main{min-width:0;background:#f4f5f3;min-height:calc(100vh - 72px)}.reader-toolbar{height:63px;border-bottom:1px solid var(--line);background:#fff;display:flex;align-items:center;gap:10px;padding:10px 16px;position:sticky;top:72px;z-index:25}.reader-toolbar .button{min-height:39px;height:39px;padding:8px 12px}.toolbar-right{margin-left:auto;display:flex;align-items:center;gap:6px}.toolbar-file{color:var(--muted);font-size:12px;margin-left:4px}.reader-body{display:grid;grid-template-columns:55px minmax(0,1fr)}.reader-rail{position:sticky;top:146px;display:flex;align-items:center;flex-direction:column;gap:5px;align-self:start;padding-top:12px;color:#536057;max-height:calc(100vh - 150px)}.reader-rail hr{width:28px;border:0;border-top:1px solid #d2d6d1;margin:10px 0}.reader-rail input{width:35px;text-align:center;border:1px solid #afb6ae;padding:6px 1px;border-radius:3px;font-size:13px;background:white}.reader-rail .total-pages{font-size:12px;margin:2px 0}.reader-rail .icon-button{width:34px;height:34px}.reader-rail .zoom-label{font-size:10px}.pdf-stage{padding:20px 19px 45px 12px;min-width:0;overflow-x:auto}.pdf-page{position:relative;background:#fff;margin:0 auto 20px;box-shadow:0 1px 6px #0000001a;border:1px solid #dce0da;min-height:220px;scroll-margin-top:153px;width:100%;max-width:1050px}.pdf-page canvas{display:block;width:100%;height:auto}.page-placeholder{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:13px;color:#889188}.pdf-page.rendered .page-placeholder{display:none}.page-number{position:absolute;bottom:5px;right:8px;color:#6f756e;font-size:10px;background:#fff;padding:1px 3px}.pdf-text{font:14px/1.8 Arial,sans-serif;background:white;padding:24px 35px;white-space:pre-wrap;overflow-wrap:anywhere}.pdf-text[hidden]{display:none}.reader-main:fullscreen{overflow:auto;background:#f4f5f3}.reader-main:fullscreen .reader-toolbar{top:0}.reader-main:fullscreen .reader-rail{top:72px}.reader-main:fullscreen .pdf-stage{max-width:1100px;margin:0 auto}.reader-main:fullscreen .reader-body{max-width:1200px;margin:auto}.related-panel{border-left:1px solid var(--line);padding:17px 18px;min-height:calc(100vh - 72px)}.related-panel h2{font-size:14px;font-weight:600;margin:0 0 17px}.related-card{display:grid;grid-template-columns:65px 1fr;gap:12px;margin-bottom:24px}.related-thumb{width:65px;height:88px;object-fit:cover;object-position:top;border:1px solid var(--line)}.related-card h3{font-size:13px;line-height:1.4;margin:3px 0 8px;font-weight:650}.related-card p{font-size:11px;color:var(--muted);margin:0}.pdf-status{font-size:13px;color:var(--muted);padding:10px 0;text-align:center}.reader-search{padding:10px 15px;background:#fff;border-bottom:1px solid var(--line);display:flex;gap:8px;align-items:center}.reader-search[hidden]{display:none}.reader-search input{min-width:0;flex:1;border:1px solid var(--line);border-radius:4px;padding:7px;font-size:14px}.reader-search .search-result{font-size:12px;white-space:nowrap}.upload-layout{max-width:800px;margin:32px auto 70px;padding:0 24px}.upload-layout h1{font-size:30px;margin:0 0 7px;letter-spacing:-.6px}.upload-layout>p{font-size:15px;color:var(--muted);margin-top:0}.dropzone{position:relative;border:2px dashed #b8c8bc;background:#f7fbf8;min-height:170px;display:flex;flex-direction:column;align-items:center;justify-content:center;border-radius:6px;margin:24px 0;padding:25px;text-align:center;cursor:pointer}.dropzone svg{width:32px;height:32px;color:var(--green);margin-bottom:9px}.dropzone b{font-size:17px}.dropzone span{font-size:13px;color:var(--muted);margin-top:4px}.dropzone input{position:absolute;inset:0;opacity:0;width:100%;cursor:pointer}.formgrid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.formgrid label{font-size:14px;display:flex;flex-direction:column;gap:6px;font-weight:600}.formgrid input,.formgrid select,.formgrid textarea{border:1px solid #bcc4bd;background:white;padding:10px 12px;border-radius:4px;width:100%;font-size:15px;font-weight:400}.formgrid textarea{min-height:100px;resize:vertical}.formgrid .wide{grid-column:1/-1}.form-footer{margin-top:23px;display:flex;align-items:flex-start;gap:9px;font-size:13px;color:#57645a}.form-footer input{margin-top:4px;width:16px;height:16px;accent-color:var(--green);flex:none}.upload-submit{margin-top:18px;min-width:180px}.upload-progress{margin:12px 0;color:var(--green);font-size:14px}.toast{position:fixed;bottom:23px;left:50%;transform:translate(-50%,15px);padding:11px 18px;border-radius:5px;background:#213b2e;color:white;font-size:14px;z-index:150;box-shadow:0 4px 18px #0002;opacity:0;pointer-events:none;transition:.2s;max-width:90vw;text-align:center}.toast.visible{opacity:1;transform:translate(-50%,0)}.source-table{width:100%;border-collapse:collapse;margin:24px 0;font-size:14px}.source-table td,.source-table th{padding:14px 12px;text-align:left;border-bottom:1px solid var(--line)}.source-table th{font-size:12px;text-transform:uppercase;letter-spacing:.5px;color:var(--muted)}.source-table a{text-decoration:underline}.source-table-wrap{overflow-x:auto}.source-table td{min-width:110px}.source-table td:first-child{min-width:270px}.file-selected{display:flex;align-items:center;gap:9px;color:var(--darkgreen);font-size:14px;margin:-12px 0 21px}.technical-tag{background:#eaf0f8;color:#426280}.doc-reader-title-mobile{display:none}
@media(min-width:1600px){.document-grid{grid-template-columns:repeat(5,minmax(0,1fr))}.cover-link{height:290px}.reader-layout{grid-template-columns:310px minmax(0,1fr) 255px}}
@media(max-width:1200px){.header{gap:20px;padding:0 20px}.header-cta{display:none}.library-content{padding:28px}.document-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:26px 20px}.cover-link{height:250px}.reader-layout{grid-template-columns:260px minmax(0,1fr)}.related-panel{display:none}.library-layout{grid-template-columns:200px minmax(0,1fr)}}
@media(max-width:850px){.header{gap:16px}.brand{font-size:19px}.brand span{font-size:9px}.header-nav{gap:15px}.header-nav a{font-size:0!important;gap:0!important}.header-nav a svg{width:22px;height:22px}.library-layout{grid-template-columns:1fr}.library-nav{display:none}.library-content{padding:25px 22px}.document-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:25px 18px}.cover-link{height:245px}.library-title h1{font-size:27px}.reader-layout{display:block}.doc-info{border-right:0;min-height:0;padding:15px 20px 12px;border-bottom:1px solid var(--line)}.doc-info h1{font-size:21px;margin:5px 0 9px;line-height:1.3;letter-spacing:-.3px}.doc-info .breadcrumbs{margin-bottom:8px}.doc-info .stats{margin-bottom:4px}.doc-description{font-size:13px;margin-bottom:8px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.supplier-row{font-size:12px;margin:0;display:flex;gap:7px;align-items:center;flex-wrap:wrap}.supplier-row b{font-size:12px;display:inline;margin:0}.doc-info .info-actions,.doc-info .document-specs,.doc-info .source-link,.doc-info .doc-disclaimer{display:none}.reader-toolbar{top:72px;height:56px;padding:8px 15px}.reader-rail{top:136px}.pdf-stage{padding:14px 14px 35px 5px}.pdf-page{scroll-margin-top:140px}.reader-toolbar .toolbar-file{display:none}.reader-main{min-height:50vh}.doc-info.expanded .document-specs,.doc-info.expanded .source-link,.doc-info.expanded .doc-disclaimer{display:block}.doc-info.expanded .doc-description{display:block}.mobile-details{display:inline-block!important;font-size:12px;text-decoration:underline;margin-left:auto}.related-panel{display:block;min-height:0;border:0;padding:24px 20px}.related-panel>div{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.related-card{margin:0 0 12px}.formgrid{gap:14px}}
@media(min-width:851px){.mobile-details{display:none}}
@media(max-width:560px){.header{height:112px;padding:10px 15px;flex-wrap:wrap;gap:9px;align-content:center}.brand{font-size:20px}.header-nav{margin-left:auto}.global-search{order:3;flex-basis:100%;max-width:none}.global-search input{height:37px;font-size:14px;padding-left:11px}.global-search button{top:1px;height:35px}.library-content{padding:21px 16px 32px}.library-title{gap:10px;display:block}.library-title h1{font-size:26px;letter-spacing:-.6px;margin-bottom:7px}.library-title p{font-size:14px;line-height:1.5}.cas-badge{display:none}.type-tabs{gap:24px;margin-top:18px;overflow:auto}.type-tab{font-size:14px;padding:10px 0}.filterbar{gap:8px;padding:14px 0}.filterbar select{padding:8px 24px 8px 9px;max-width:calc(50% - 4px);font-size:13px}.result-count{margin-left:0;flex-basis:100%;font-size:12px;margin-top:2px}.document-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px 14px}.cover-link{height:230px}.doc-card h2{font-size:14px;min-height:40px;margin-right:16px;line-height:1.43}.doc-type{font-size:10px;margin-top:9px}.publisher{font-size:12px}.card-meta{font-size:11px;flex-wrap:wrap;gap:3px}.source-indicator{font-size:10px}.card-save{right:-7px;bottom:41px;width:29px}.card-save svg{width:18px;height:18px}.collection-note{padding:15px;gap:10px;font-size:12px;margin-top:25px}.footer{flex-direction:column;gap:8px;margin-top:23px}.reader-toolbar{top:112px;padding:8px 11px;gap:7px}.reader-rail{top:178px}.reader-body{grid-template-columns:42px minmax(0,1fr)}.reader-rail .icon-button{width:30px;height:30px}.reader-rail input{width:30px}.pdf-stage{padding:11px 8px 25px 0}.pdf-page{scroll-margin-top:180px}.doc-info{padding:12px 15px}.doc-info h1{font-size:19px;line-height:1.3}.doc-info .breadcrumbs{font-size:11px}.doc-info .stats{font-size:11px}.reader-toolbar .button{font-size:13px;height:36px;min-height:36px;padding:8px 10px}.reader-toolbar .icon-button{width:32px;height:34px}.reader-toolbar svg{width:19px;height:19px}.reader-search{padding:8px;font-size:12px;flex-wrap:wrap}.reader-search input{flex-basis:65%;font-size:13px}.toolbar-right{gap:0}.related-panel{padding:23px 15px}.related-panel>div{grid-template-columns:1fr}.related-card{grid-template-columns:65px 1fr}.upload-layout{padding:0 16px;margin-top:25px}.upload-layout h1{font-size:26px}.formgrid{grid-template-columns:1fr}.formgrid .wide{grid-column:auto}.dropzone{min-height:155px}.formgrid input,.formgrid select,.formgrid textarea{font-size:16px}.source-table{font-size:13px}.pdf-text{padding:15px;font-size:13px}.reader-toolbar .icon-button[aria-label="Read extracted text"]{display:none}}
@media(max-width:370px){.cover-link{height:200px}.header-nav{gap:8px}.document-grid{gap:22px 10px}.brand{font-size:18px}.reader-toolbar{gap:3px}}
/* Keep the document grid within narrow viewports. */
.library-content{min-width:0}.type-tabs{scrollbar-width:none}.type-tabs::-webkit-scrollbar{display:none}