:root{--ink:#193e3a;--text:#304641;--muted:#687770;--paper:#f7f6f0;--line:#dce1d8;--white:#fff;--accent:#cce19f}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:30px}body{margin:0;background:var(--paper);font-family:Arial,Helvetica,sans-serif;color:var(--text);line-height:1.5}a{color:inherit}button,input{font:inherit}a,button,input{outline-offset:5px}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid #71964a}.wrap{max-width:1160px;margin:auto;padding:0 32px}.top{border-bottom:1px solid var(--line)}nav{height:92px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{text-decoration:none;display:flex;align-items:center;gap:12px;color:var(--ink);font-size:16px;font-weight:700;letter-spacing:-.4px}.mark{width:37px;height:42px;display:grid;place-items:center;background:var(--ink);border-radius:9px 9px 17px 17px;color:var(--accent)}.brand small{display:block;font-size:10px;font-weight:400;letter-spacing:1.8px;text-transform:uppercase;margin-top:2px}.navlinks{display:flex;gap:30px;font-size:13px}.navlinks a{text-decoration:none}.navlinks a:hover{text-decoration:underline}.pill{font-size:11px;border:1px solid #cfd7cb;border-radius:30px;padding:7px 12px;white-space:nowrap;display:inline-flex;align-items:center;gap:7px}.dot{width:6px;height:6px;border-radius:50%;background:#56825a;display:inline-block}.hero{padding:76px 0 64px;display:grid;grid-template-columns:1.15fr .85fr;gap:60px;align-items:center}.eyebrow{font-size:10px;font-weight:700;letter-spacing:2px;text-transform:uppercase;color:var(--muted);display:flex;gap:12px;align-items:center}.eyebrow:before{content:'';width:23px;height:1px;background:currentColor}h1{font-family:Georgia,'Times New Roman',serif;font-size:clamp(45px,5.5vw,70px);line-height:1.08;letter-spacing:-2.5px;color:var(--ink);font-weight:400;margin:24px 0}h1 em{font-weight:400;color:#6a8064}.intro{font-size:16px;max-width:430px;line-height:1.75;color:var(--muted);margin-bottom:28px}.primary{display:inline-flex;align-items:center;gap:28px;background:var(--ink);color:white;text-decoration:none;padding:14px 20px;border-radius:5px;font-size:13px;font-weight:700}.primary:hover{background:#28564b}.hero-note{font-size:11px;color:var(--muted);margin-top:17px}.feature{position:relative;background:#e9eddf;border-radius:12px;padding:31px;min-height:304px;overflow:hidden}.feature:after{content:'';position:absolute;width:230px;height:230px;border:1px solid #b6c4a6;border-radius:50%;right:-125px;top:-110px;box-shadow:0 0 0 32px #e2e8d8,0 0 0 33px #c6d0b9}.feature-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:29px;position:relative;z-index:1}.feature-label{font-size:10px;text-transform:uppercase;letter-spacing:1.7px;font-weight:700}.mini{font-family:Georgia,serif;font-size:21px}.feature h2{font-family:Georgia,serif;font-size:29px;line-height:1.2;font-weight:400;max-width:250px;margin:0 0 24px;letter-spacing:-.7px}.feature-line{border-top:1px solid #c8d1bd;padding:13px 0;display:flex;align-items:center;gap:13px;font-size:12px}.feature-line span:first-child{color:#6e8161;font-size:10px}.feature-line:last-child{padding-bottom:0}.library{padding:42px 0 62px;border-top:1px solid var(--line)}.section-top{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:30px}.section-top h2{font-family:Georgia,serif;color:var(--ink);font-size:34px;letter-spacing:-1px;font-weight:400;margin:0 0 7px}.section-top p{font-size:13px;color:var(--muted);margin:0}.search{display:flex;align-items:center;border:1px solid #cfd8cc;background:#fff;border-radius:6px;padding:0 13px;gap:9px;width:285px}.search svg{flex-shrink:0;color:var(--muted)}.search input{background:none;border:0;min-width:0;width:100%;font-size:12px;padding:13px 0;color:var(--ink)}.search input:focus{outline:none}.search:focus-within{outline:2px solid #71964a;outline-offset:2px}.search button{border:0;background:none;color:var(--muted);cursor:pointer;padding:2px 4px;font-size:18px}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.card{border:1px solid var(--line);background:#fff;border-radius:8px;padding:23px 24px 19px;text-decoration:none;min-height:214px;display:flex;flex-direction:column;transition:transform .18s,border-color .18s,box-shadow .18s}.card:hover{transform:translateY(-3px);border-color:#9bb28a;box-shadow:0 6px 20px #153c3010}.card-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.chapter-num{font-size:10px;text-transform:uppercase;letter-spacing:1.5px;color:var(--muted)}.available{font-size:9px;color:#50734d;display:flex;align-items:center;gap:5px}.available .dot{width:4px;height:4px}.card h3{color:var(--ink);font-size:18px;font-weight:500;letter-spacing:-.5px;line-height:1.3;margin:0 0 23px;max-width:260px}.card-bottom{border-top:1px solid #edf0e8;padding-top:14px;margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:10px;color:var(--muted)}.arrow{font-size:19px;color:var(--ink);line-height:1}.release-note{display:flex;align-items:start;gap:10px;margin-top:22px;color:var(--muted);font-size:11px}.release-note svg{flex-shrink:0;margin-top:2px}.empty{padding:40px;text-align:center;border:1px dashed #c3cdbd;border-radius:8px;color:var(--muted);grid-column:1/-1}.study{padding:39px 0 50px;border-top:1px solid var(--line)}.study-title{font-size:10px;letter-spacing:1.8px;text-transform:uppercase;color:var(--muted);margin-bottom:24px}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:38px}.step{display:flex;gap:15px}.step-num{font-family:Georgia,serif;font-size:26px;color:#8ba077;line-height:1.1}.step h3{font-size:13px;font-weight:700;color:var(--ink);margin:0 0 7px}.step p{font-size:12px;color:var(--muted);line-height:1.7;margin:0}footer{border-top:1px solid var(--line);font-size:10px;color:var(--muted);padding:23px 0}.foot{display:flex;align-items:center;justify-content:space-between;gap:16px}.foot span:last-child{font-style:italic}.skip{position:absolute;top:-100px;left:20px;padding:12px;background:white;z-index:10}.skip:focus{top:10px}@media(max-width:850px){.hero{gap:35px;padding:50px 0}.grid{grid-template-columns:repeat(2,1fr)}.feature{padding:25px}.navlinks{gap:18px}.hero h1{font-size:50px}.steps{gap:20px}}@media(max-width:590px){.wrap{padding:0 22px}nav{height:79px}.navlinks{display:none}.brand{font-size:14px}.pill{font-size:9px;padding:6px 9px}.hero{grid-template-columns:1fr;gap:30px;padding:42px 0}.hero h1{font-size:49px;letter-spacing:-2px}.intro{font-size:14px}.feature{min-height:0;padding:24px}.feature h2{font-size:27px;max-width:none}.feature-top{margin-bottom:18px}.feature-line{padding:10px 0}.section-top{display:block}.search{margin-top:21px;width:100%}.section-top h2{font-size:31px}.grid{grid-template-columns:1fr;gap:12px}.card{min-height:174px;padding:20px}.card h3{max-width:none;margin-bottom:18px}.card-top{margin-bottom:15px}.steps{grid-template-columns:1fr;gap:27px}.foot{display:block}.foot span{display:block;margin-bottom:7px}.library{padding-top:30px}.study{padding:30px 0 35px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.card{transition:none}}

.book-group{border:1px solid var(--line);border-radius:9px;background:#fff;margin:16px 0;overflow:hidden}.book-group>summary{display:flex;align-items:center;gap:18px;padding:23px 25px;cursor:pointer;list-style:none;color:var(--ink)}.book-group>summary::-webkit-details-marker{display:none}.book-group>summary:focus-visible{outline:3px solid #71964a;outline-offset:-4px}.book-group strong{font:28px/1.2 Georgia,serif;display:block}.book-group small{display:block;font-size:12px;color:var(--muted);margin-top:6px}.book-count{margin-left:auto;font-size:12px;color:var(--muted);white-space:nowrap}.book-chevron{font-size:24px;transition:transform .15s}.book-group[open] .book-chevron{transform:rotate(180deg)}.book-content{padding:0 24px 24px;background:var(--paper);border-top:1px solid var(--line)}.book-content .grid{padding-top:24px}.book-all{display:inline-block;margin-top:20px;font-size:12px}.book-content>p{font-size:13px;color:var(--muted)}@media(max-width:590px){.book-group>summary{padding:18px 16px;gap:10px;flex-wrap:wrap}.book-group strong{font-size:24px}.book-group small{font-size:11px}.book-count{font-size:11px}.book-content{padding:0 12px 16px}.book-content .grid{padding-top:12px}.book-group>summary>span:first-child{flex:1;min-width:180px}}

/* High Liability study views share the standard chapter shell and panel styles. */
#content{padding-bottom:48px}#content>h2{font:30px Georgia,serif;color:var(--ink)}.actions{display:flex;gap:10px;flex-wrap:wrap;margin:20px 0}.actions button,.button{border:1px solid #cbd6c4;border-radius:5px;padding:10px 16px;background:transparent;color:var(--ink);font:inherit;cursor:pointer;text-decoration:none;min-height:44px}.flash{width:100%;min-height:220px;background:white;border:1px solid var(--line);border-radius:8px;padding:30px;font:22px/1.5 Arial,sans-serif;color:var(--ink);cursor:pointer}.flash small{display:block;font-size:13px;color:var(--muted);margin-top:18px}.options{display:grid;gap:10px}.options button{font:14px/1.55 Arial,sans-serif;color:var(--ink);border:1px solid #d6ded0;border-radius:6px;background:white;text-align:left;padding:15px;cursor:pointer}.options button[aria-pressed=true]{border-color:#71964a;background:#f0f5e8}.options button:disabled{cursor:default}.options button.correct,.panel.correct{border-color:#70945a;background:#f0f5e8}.panel.incorrect{border-color:#bf826d;background:#fcf1eb}#content .panel{margin:18px 0}#content details{margin:14px 0;padding:18px;border:1px solid var(--line);border-radius:8px;background:white}#content summary{cursor:pointer;font-weight:700;color:var(--ink)}#content li{margin:9px 0}#content img{max-width:100%;height:auto}#content small,.muted{color:var(--muted)}#content input[type=search],#content select{font:inherit;padding:10px;border:1px solid var(--line);border-radius:5px;background:white;max-width:100%}.resource-panel .study-links{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0}.study-links .secondary{text-decoration:none;min-height:40px;display:inline-flex;align-items:center}.quiz-form .fixed-set{margin-top:18px}.quiz-form .fixed-set summary{font-size:12px;cursor:pointer;padding:10px 0}.quiz-form select{width:100%}#content .view-back{margin-bottom:8px}.chapter-tools button{font:inherit}.chapter-tools .primary{font-weight:700}.quiz-actions button{font:inherit}.resource-panel h2,.practice-panel h2{line-height:1.2}.chapter-top .chapter-status{margin-top:18px}


.study-dialog{box-sizing:border-box;width:92%;max-width:540px;border:1px solid #bdcbb6;border-radius:12px;padding:24px;color:var(--ink);overflow-wrap:anywhere}.study-dialog textarea{box-sizing:border-box;width:100%;font:inherit}.study-dialog button{min-height:44px;margin:10px 10px 0 0;padding:10px 14px;font:inherit}.study-dialog p{line-height:1.5}#content h3,#content p{overflow-wrap:anywhere}

.study-table-wrap{overflow-x:auto;margin:24px 0 12px;max-width:100%}.study-table{width:100%;border-collapse:collapse;background:white;font-size:14px;line-height:1.5}.study-table caption{text-align:left;font-weight:700;color:var(--ink);padding:0 0 12px}.study-table th,.study-table td{text-align:left;padding:12px;border:1px solid var(--line);vertical-align:top}.study-table thead{background:#e9eddf}.study-table tbody th{font-weight:500}.study-table tr:nth-child(even){background:#f7f8f3}@media(max-width:590px){.study-table{font-size:12px}.study-table th,.study-table td{padding:9px}}

.card-navigation{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.card-navigation>button{min-width:0;padding:10px 6px}#card-setup>summary{cursor:pointer;min-height:44px;font-weight:700}#card-setup[open]>summary{margin-bottom:16px}#card-meter{width:100%;margin:14px 0}#flash{overflow-wrap:anywhere}