.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}.manual-panel{width:min(1280px,100%);max-width:1280px;height:min(850px,calc(100svh - 50px));max-height:calc(100svh - 50px);display:flex;flex-direction:column}.manual-header{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:22px 28px;border-bottom:1px solid var(--line)}.manual-header h2{font-size:27px;font-weight:550}.manual-header p{font-size:13px;color:var(--muted);margin:4px 0 0}#handbook-root{flex:1;min-height:0;display:flex;flex-direction:column;--book-paper:#edf3ed;--book-ink:#203c3a;--book-muted:#48615b;--book-line:#c5d2c6;--book-wash:#dce8db;--book-action:#204d45}.book-toolbar{display:flex;align-items:center;gap:14px;padding:14px 25px;border-bottom:1px solid var(--line)}.book-toolbar input{background:var(--surface-raised);color:var(--text);border:1px solid var(--line);border-radius:8px;padding:12px 14px;font:inherit;font-size:14px;min-width:0;flex:1;max-width:600px;min-height:44px}.book-toolbar input::placeholder{color:var(--muted)}.book-toolbar button,.book-open-tab{font-size:13px;border:0;background:none;color:var(--muted);padding:8px;min-height:40px}.book-open-tab{margin-left:auto;text-decoration:underline}.book-toolbar #book-toggle-index{display:none}.book-layout{display:grid;grid-template-columns:250px minmax(0,1fr);flex:1;min-height:0}#book-index-shell{overflow-y:auto;padding:12px 16px 30px;background:var(--deep)}.book-index-group{margin-top:20px}.book-index-group h3{font-size:12px;color:var(--accent);font-weight:550;padding:0 10px 8px;letter-spacing:0}.book-index-item{display:block;width:100%;text-align:left;font-size:13px;line-height:1.5;background:none;color:var(--muted);border:0;border-radius:6px;padding:9px 10px;min-height:40px}.book-index-item:hover,.book-index-item.current{background:var(--surface-raised);color:var(--text)}.book-reading{background:var(--book-paper);color:var(--book-ink);overflow-y:auto;padding:36px 46px 50px;scrollbar-color:#9baa9a var(--book-paper)}.book-reading :focus-visible{outline-color:var(--book-action)}.book-reading ::selection{background:#b3d1b4;color:var(--book-ink)}.book-reading h2{font-size:34px;line-height:1.15;font-weight:550;max-width:24ch;margin:0 0 20px}.book-reading h3{font-size:20px;font-weight:600;margin:0 0 12px;letter-spacing:-.02em}.book-reading p,.book-reading dd,.book-reading li{font-size:16px;line-height:1.75;color:var(--book-ink);max-width:70ch}.book-reading p{margin:0 0 17px}.book-reading section{margin-top:30px}.book-reading .book-deck{font-size:18px;color:var(--book-muted);line-height:1.6;margin-bottom:25px;max-width:58ch}.book-reading .book-small,.book-scope{font-size:12px;color:var(--book-muted);line-height:1.75}.book-reading a{color:var(--book-action);text-underline-offset:4px}.book-breadcrumb{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--book-muted);margin-bottom:24px}.book-breadcrumb .book-link{font-size:12px;margin:0}.book-link{display:inline-flex;align-items:center;min-height:40px;max-width:100%;text-align:left;background:none;border:0;text-decoration:underline;text-underline-offset:4px;color:var(--book-action);padding:6px 0;margin:0 20px 0 0;font-size:14px;line-height:1.5}.book-link:hover{color:#102f25}.book-primary,.book-secondary{display:inline-flex;align-items:center;justify-content:center;min-height:46px;max-width:100%;border-radius:9px;padding:12px 18px;font:inherit;font-size:14px;font-weight:600;line-height:1.5;text-align:left;cursor:pointer}.book-primary{background:var(--book-action);color:#f2f8ed;border:0}.book-primary:hover{background:#143b33}.book-secondary{background:none;color:var(--book-action);border:1px solid #8ca58e}.book-secondary:hover{background:var(--book-wash)}.book-cover{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:24px;align-items:center}.book-cover-copy>p{font-size:16px}.book-cover h2{font-size:38px;max-width:13ch}.book-cover .book-primary,.book-cover .book-secondary{display:flex;width:100%;margin-top:12px}.book-cover .book-small{margin-top:15px}.book-cover figure{margin:0;min-width:0}.book-cover figure img{width:100%;object-fit:contain}.book-cover figcaption{font-size:12px;line-height:1.6;color:var(--book-muted);margin-top:12px}.book-method{margin:20px 0 0;padding-left:22px}.book-method li{padding:0 0 20px 8px}.book-method strong,.book-method span{display:block}.book-method span{font-size:14px;color:var(--book-muted);margin-top:4px}.book-reading .book-scope{margin-top:35px;padding-top:20px;border-top:1px solid var(--book-line)}.book-checks{background:var(--book-wash);padding:24px;border-radius:12px}.book-checks dl{margin:0}.book-checks dl>div{margin-top:17px}.book-checks dt,.book-glossary dt,.book-specs dt{font-size:15px;font-weight:650}.book-checks dd{font-size:15px;margin:4px 0 0}.book-caution p{color:#6b3426}.book-game{padding:24px;background:#dce8e7;border-radius:12px}.book-game p{font-size:14px}.book-related .book-link{display:block}.book-sources{border-top:1px solid var(--book-line);padding-top:22px}.book-sources h3{font-size:15px}.book-sources p{font-size:12px;color:var(--book-muted)}.book-page-turn{display:flex;justify-content:space-between;gap:24px;border-top:1px solid var(--book-line);margin-top:32px;padding-top:20px}.book-page-turn .book-link{font-size:13px;max-width:45%;margin:0}.book-symptoms>section{padding:0 0 25px;border-bottom:1px solid var(--book-line)}.book-glossary{margin:0}.book-glossary>div{padding:20px 0;border-bottom:1px solid var(--book-line)}.book-glossary dt{font-size:18px}.book-glossary dd{margin:8px 0 0;font-size:15px}.nitrogen-flow{display:flex;align-items:center;justify-content:space-around;gap:10px;background:var(--book-wash);border-radius:10px;padding:20px;margin:25px 0;font-size:16px}.book-species-list>button{display:flex;align-items:center;gap:20px;padding:18px 0;background:none;border:0;border-bottom:1px solid var(--book-line);width:100%;color:var(--book-ink);text-align:left;cursor:pointer}.book-species-list>button:hover{background:var(--book-wash)}.book-species-list img{width:90px;height:75px;object-fit:contain;background:#fff;border-radius:8px}.book-species-list strong{display:block;font-size:17px}.book-species-list button>span>span{display:block;font-size:12px;color:var(--book-muted);margin-top:6px}.book-species-list button>span:last-child{margin-left:auto}.book-species-photo{width:100%;height:250px;object-fit:contain;background:#fff;border-radius:12px;margin:20px 0 28px}.book-specs>div{display:grid;grid-template-columns:1fr 1fr;gap:20px;padding:12px 0;border-bottom:1px solid var(--book-line)}.book-specs dd{margin:0;font-size:14px;text-align:right}.book-specs>div:last-child{display:block}.book-specs>div:last-child dd{text-align:left;margin-top:8px}.book-reading blockquote{font-size:20px;line-height:1.6;margin:25px 0;padding:22px 25px;background:var(--book-wash);border-radius:12px}.book-practice-tools{display:flex;flex-wrap:wrap;gap:12px;margin:22px 0}.book-practice-tools .book-secondary{flex:1;min-width:170px;font-size:13px}.book-practice-tools [aria-pressed=true]{background:var(--book-wash)}.book-evidence{padding-bottom:10px}.book-evidence ul{padding-left:22px}.book-evidence li{margin-bottom:18px;font-size:15px}.book-case-answer label{display:block;font-size:14px;margin-bottom:10px}.book-case-answer select{width:100%;min-height:46px;background:var(--book-paper);color:var(--book-ink);border:1px solid #8ca58e;border-radius:8px;padding:12px;font:inherit;font-size:14px;margin-bottom:16px}.book-feedback{margin-top:18px!important;font-weight:550;font-size:15px!important}.book-search-list button{display:block;width:100%;padding:17px 0;border:0;border-bottom:1px solid var(--book-line);background:none;text-align:left;color:var(--book-ink)}.book-search-list strong{display:block;font-size:18px}.book-search-list span{display:block;color:var(--book-muted);font-size:14px;margin-top:7px}.manual-standalone{padding:0;background:var(--surface)}.manual-standalone>.manual-header{max-width:1400px;margin:auto}.manual-standalone #handbook-root{height:calc(100svh - 98px);max-width:1400px;margin:auto}.manual-standalone .manual-header a{color:var(--muted);font-size:14px}.manual-standalone .manual-header h1{font-size:25px;margin:0}.manual-standalone .book-reading{padding:40px max(30px,6vw)}
@media(max-width:900px){.book-cover{grid-template-columns:1fr}.book-cover figure{display:none}.book-layout{grid-template-columns:220px minmax(0,1fr)}.book-reading{padding:30px}.book-cover h2{max-width:20ch}}
@media(max-width:760px){.manual-panel{height:100svh;max-height:100svh;border-radius:0}.manual-header{padding:18px 20px}.manual-header h2{font-size:23px}.manual-header p{font-size:12px}.book-toolbar{padding:10px 14px;gap:8px;flex-wrap:wrap}.book-toolbar #book-toggle-index{display:block;padding:6px;font-size:13px}.book-toolbar input{font-size:13px;padding:10px;min-height:43px}.book-open-tab{font-size:12px;padding:5px;min-height:28px}.book-layout{grid-template-columns:minmax(0,1fr);position:relative}#book-index-shell{display:none;position:absolute;inset:0;z-index:2;padding:18px 24px}.index-open #book-index-shell{display:block}.book-index-item{font-size:15px;min-height:44px}.book-index-group h3{font-size:13px}.book-reading{padding:26px 24px 45px}.book-reading h2{font-size:29px}.book-reading h3{font-size:20px}.book-reading .book-deck{font-size:17px}.book-reading p,.book-reading dd,.book-reading li{font-size:15px;line-height:1.75}.book-cover h2{font-size:33px}.book-primary,.book-secondary{font-size:14px}.book-checks,.book-game{padding:20px}.book-reading .book-game p{font-size:14px}.book-breadcrumb{font-size:12px;gap:8px}.book-reading .book-small,.book-scope,.book-sources p{font-size:12px}.book-species-list{gap:15px}.book-species-list img{width:70px;height:65px}.book-species-list strong{font-size:16px}.book-species-photo{height:200px}.book-reading blockquote{font-size:18px;padding:20px}.book-practice-tools{flex-direction:column}.book-practice-tools .book-secondary{width:100%}.book-specs>div{grid-template-columns:1fr 1fr;gap:10px}.book-specs dt,.book-specs dd{font-size:13px}.manual-standalone #handbook-root{height:calc(100svh - 95px)}.manual-standalone .manual-header h1{font-size:22px}.manual-standalone .manual-header a{font-size:12px}.manual-standalone .book-reading{padding:25px 24px}.book-page-turn{gap:15px}.book-page-turn .book-link{font-size:12px}.nitrogen-flow{font-size:14px;padding:16px 12px}}
@media print{body{background:#fff;color:#000}.manual-header,.book-toolbar,#book-index-shell,.book-page-turn{display:none!important}.manual-panel,#handbook-root,.book-layout,.book-reading,.manual-standalone #handbook-root{display:block!important;height:auto!important;max-height:none!important;overflow:visible!important}.book-reading{background:#fff;color:#000;padding:0}.book-reading p,.book-reading h2,.book-reading h3,.book-reading li,.book-reading dd{color:#000}.book-article section{break-inside:avoid}.book-article a{color:#000}.book-primary,.book-secondary,.book-link{display:none!important}}