:root{--ink:#102a3a;--muted:#5f7180;--navy:#0b2434;--teal:#087f73;--mint:#69e1cf;--line:#dbe5e7}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#f4f8f7;color:var(--ink);font-family:Tahoma,"Segoe UI",Arial,sans-serif;font-size:17px;line-height:1.9}body>p,body>h1,body>h2,body>h3,body>ul,body>ol,body>table,body>blockquote{width:min(820px,calc(100% - 30px));margin-left:auto;margin-right:auto}.book-nav{width:100%;position:sticky;top:0;z-index:10;background:rgba(11,36,52,.96);backdrop-filter:blur(8px);padding:11px max(15px,calc((100% - 820px)/2));display:flex;justify-content:space-between;align-items:center;gap:12px;color:white}.book-nav a{color:white;text-decoration:none;font-weight:700}.cover{width:min(920px,calc(100% - 30px));margin:25px auto 22px;padding:clamp(32px,7vw,72px) clamp(24px,7vw,70px);border-radius:28px;background:linear-gradient(145deg,var(--navy),#123c50);color:white;box-shadow:0 20px 60px rgba(11,36,52,.14)}.cover small{color:var(--mint);font-weight:800}.cover h1{font-size:clamp(2.1rem,7vw,4.2rem);line-height:1.2;margin:13px 0}.cover .hook{color:#dce9ed;margin:12px 0;max-width:690px;font-size:1.08rem}.cover .author{margin-top:24px;color:white;font-weight:800;font-size:1.1rem}.cover-actions{display:flex;gap:10px;margin-top:28px}.cover-actions a{padding:12px 20px;border:1px solid rgba(255,255,255,.35);border-radius:13px;color:white;text-decoration:none;font-weight:800}.cover-actions .main-action{background:var(--mint);border-color:var(--mint);color:var(--navy)}.reader-path,.chapter-grid{width:min(920px,calc(100% - 30px));margin:18px auto;background:white;border:1px solid var(--line);border-radius:22px;padding:22px}.reader-path{display:flex;justify-content:space-between;align-items:center;gap:18px}.reader-path strong,.reader-path span{display:block}.reader-path strong{font-size:1.25rem}.reader-path>div>span{color:var(--muted)}.mini-facts{display:flex;gap:7px}.mini-facts span{background:#eaf7f4;color:var(--teal);padding:7px 10px;border-radius:99px;font-size:.88rem;font-weight:700}.chapter-grid{margin-bottom:48px}.chapter-grid h2{margin:0;color:var(--navy)}.chapter-grid>p{margin:2px 0 16px;color:var(--muted)}.grid{display:grid;grid-template-columns:repeat(2,1fr);gap:9px}.grid a{display:flex;align-items:center;gap:12px;padding:14px;border:1px solid var(--line);border-radius:14px;color:var(--ink);text-decoration:none;font-weight:700}.grid a:hover{background:#edf8f6;border-color:var(--teal)}.grid b{display:grid;place-items:center;width:36px;height:36px;border-radius:11px;background:var(--navy);color:var(--mint);flex:none}h1,h2,h3{line-height:1.45;color:var(--navy);scroll-margin-top:70px}h1{font-size:2.1rem;margin-top:60px}h2{font-size:1.45rem;margin-top:34px;color:var(--teal)}h3{font-size:1.15rem}p,li{max-width:75ch}li{margin:.35rem 0}blockquote{background:#fff7e9;border-right:4px solid #e6a84a;border-left:0;padding:13px 18px;border-radius:10px}table{border-collapse:collapse;background:white;display:block;overflow-x:auto}th,td{border:1px solid var(--line);padding:9px 12px;text-align:right}.book-rating{width:min(820px,calc(100% - 30px));margin:55px auto 35px;background:white;border:1px solid var(--line);border-radius:22px;padding:25px;text-align:center}.stars{direction:ltr}.star{border:0;background:transparent;color:#c8d1d2;font-size:2.6rem;cursor:pointer}.star.active{color:#e6a84a}.share-rating{display:block;width:100%;border:0;border-radius:13px;background:var(--teal);color:white;padding:13px;font:inherit;font-weight:800;cursor:pointer}.share-rating:disabled{opacity:.45}.rating-note{width:100%;min-height:75px;border:1px solid var(--line);border-radius:12px;padding:11px;font:inherit;margin:10px 0}.back-test{display:block;width:min(820px,calc(100% - 30px));margin:20px auto 50px;text-align:center;background:var(--navy);color:white;text-decoration:none;padding:14px;border-radius:14px;font-weight:800}@media(max-width:560px){body{font-size:16px}.book-nav{font-size:.9rem}.cover{border-radius:20px;margin-top:14px}.cover-actions,.reader-path,.mini-facts{flex-direction:column;align-items:stretch}.cover-actions a{text-align:center}.grid{grid-template-columns:1fr}.mini-facts{display:grid;grid-template-columns:repeat(3,1fr)}.mini-facts span{text-align:center;padding:7px 4px}body>h1,body>h2,body>h3,body>p,body>ul,body>ol,body>table,body>blockquote{width:calc(100% - 34px)}}@media print{.book-nav,.book-rating,.back-test,.reader-path,.chapter-grid{display:none}.cover{box-shadow:none}body{background:white}}