@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Libre+Caslon+Display&display=swap');
.site-menu{position:relative}.menu-button{border:1px solid #b6c4b8;background:#f8f9f5;color:var(--ink);border-radius:4px;padding:10px 14px;font-size:14px;cursor:pointer}.menu-button span{margin-left:8px}.menu-links{position:absolute;right:0;top:calc(100% + 10px);z-index:10;min-width:190px;background:#fff;border:1px solid var(--line);border-radius:5px;box-shadow:0 10px 25px #24392218;padding:8px}.menu-links a{display:block;text-decoration:none;padding:10px 12px;font-size:14px;border-radius:3px}.menu-links a:hover{background:#edf1e8}
header nav{display:none}
:root{--ink:#163c34;--green:#164c3e;--lime:#dbea9f;--muted:#5c6d64;--line:#d9e0d7}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:25px}body{margin:0;background:#f8f9f5;color:var(--ink);font:16px/1.6 'DM Sans',Arial,sans-serif}a{color:inherit}button,input,textarea,select{font:inherit}button,a{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #bc801e;outline-offset:4px}header{max-width:1440px;margin:auto;padding:27px 6%;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.brand{display:flex;gap:12px;align-items:center;text-decoration:none;letter-spacing:1.8px;font-size:12px;line-height:1.6}.brand b{font-size:14px;letter-spacing:1px}.knight{font-family:Georgia,serif;font-size:48px;line-height:1}nav{display:flex;gap:40px;align-items:center;font-size:14px}nav a{text-decoration:none}.nav-book{border:1px solid #b6c4b8;border-radius:4px;padding:11px 17px}main{max-width:1440px;margin:auto}.hero{display:grid;grid-template-columns:1.12fr 1fr;align-items:center;gap:8%;padding:66px 6% 64px}.eyebrow{font-size:12px;font-weight:600;letter-spacing:1.6px;margin:0 0 24px}h1,h2{font-family:'Libre Caslon Display',Georgia,serif;font-weight:400;letter-spacing:-1.7px}h1{font-size:clamp(58px,6.6vw,95px);line-height:.99;margin:0}h1 em,h2 em{font-weight:400;color:#3b7152}.hero-intro{max-width:435px;margin:27px 0;font-size:17px;line-height:1.8;color:var(--muted)}.button{display:inline-flex;align-items:center;justify-content:space-between;gap:32px;text-decoration:none;background:var(--green);color:white;border:0;border-radius:4px;padding:16px 23px;font-size:15px;font-weight:500;cursor:pointer}.button:hover{background:#21644f}.hero-details{display:flex;gap:23px;margin-top:35px;font-size:12px;color:var(--muted)}.hero-visual{background:#153d36;border-radius:8px;padding:28px 30px 20px;transform:rotate(-2deg);color:#f5f7ec;box-shadow:14px 18px 0 #e4e9dc}.board-heading{display:flex;align-items:center;justify-content:space-between;font-size:11px;letter-spacing:1.4px;margin-bottom:17px}.board-heading>span:last-child{font-size:26px}.chessboard{display:grid;grid-template-columns:repeat(8,1fr);aspect-ratio:1;border:4px solid #c3cfad;border-radius:2px;overflow:hidden}.square{aspect-ratio:1;display:flex;align-items:center;justify-content:center;position:relative;background:#e2e8ce;min-width:0}.square.dark{background:#759278}.square.highlight{background:#d8df86}.piece{font-family:Georgia,'DejaVu Sans',serif;font-size:clamp(24px,3.7vw,52px);line-height:1;color:#18392c}.piece.white{color:#fffef5;text-shadow:1px 1px #1e3529,-1px -1px #1e3529,1px -1px #1e3529,-1px 1px #1e3529}.coord{position:absolute;font-family:Arial,sans-serif;font-size:10px;left:3px;top:2px;color:#304a30}.coord.file{left:auto;top:auto;bottom:0;right:3px}.board-note{display:flex;gap:17px;align-items:center;padding:5px 0;margin:14px 0 12px}.note-number{border:1px solid #729184;border-radius:50%;width:39px;height:39px;display:flex;align-items:center;justify-content:center;font-size:12px}.board-note p{font-size:13px;line-height:1.8;margin:0;color:#cbd9cb}.board-note strong{font-size:17px;color:#f5f7ec;font-weight:500}.visual-label{display:block;border-top:1px solid #426057;padding-top:15px;font-size:10px;letter-spacing:1.7px;color:#bacab6}.strip{margin:0 6%;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:26px 0;display:flex;align-items:center;justify-content:space-between;gap:30px}.strip>span{font-size:11px;letter-spacing:1.5px}.strip p{margin:0;font-size:18px;color:var(--muted)}.strip strong{font-weight:500;color:var(--ink)}.lessons-section{padding:76px 6%;display:grid;grid-template-columns:.85fr 1.5fr;gap:8%}h2{font-size:56px;line-height:1.03;margin:0 0 24px}.section-heading>p:last-child{color:var(--muted);font-size:16px}.lesson-cards{display:grid;gap:0}.lesson-cards article{border-bottom:1px solid var(--line);padding:24px 0}.lesson-cards article:first-child{padding-top:0}.card-number{font-size:11px;letter-spacing:1.7px;color:var(--muted)}h3{font-size:23px;line-height:1.3;font-weight:500;margin:10px 0}.lesson-cards p{font-size:16px;color:var(--muted);margin:0;max-width:540px}.booking-section{margin:0 6% 60px;background:#e9eee3;border:1px solid #dbe2d4;border-radius:8px;padding:46px;display:grid;grid-template-columns:1fr 1.2fr;gap:9%}.booking-intro>p:not(.eyebrow){color:var(--muted)}.booking-info{margin-top:30px}.booking-info>div{padding:14px 0;border-bottom:1px solid #ced8c8}.booking-info span{display:block;color:var(--muted);font-size:12px;margin-bottom:5px}.booking-info strong{font-size:14px;font-weight:500}form{background:white;padding:28px;border-radius:6px;box-shadow:0 7px 20px #24392208}form h3{margin:0;font-size:23px}.form-intro{color:var(--muted);font-size:14px;margin:6px 0 22px}label{display:block;font-size:14px;font-weight:500;margin-bottom:17px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}input,select,textarea{display:block;border:1px solid #cdd7ca;border-radius:4px;background:#fff;color:var(--ink);font-size:14px;padding:11px 12px;margin-top:7px;width:100%;min-width:0}input::placeholder,textarea::placeholder{color:#707c72}textarea{resize:vertical}form .button{width:100%;margin-top:4px}.form-note{font-size:12px;line-height:1.6;color:var(--muted);margin:13px 0 0}.pending-note,#copy-status{font-size:14px}#enquiry-result{border-top:1px solid var(--line);margin-top:20px;padding-top:5px}#copy{margin-top:10px;border:1px solid var(--green);color:var(--green);padding:8px 14px;background:#f2f5eb;border-radius:4px;cursor:pointer}footer{max-width:1440px;margin:auto;border-top:1px solid var(--line);padding:30px 6%;display:flex;align-items:center;justify-content:space-between;gap:25px}footer p{color:var(--muted);font-size:14px}footer>span{font-size:12px;color:var(--muted);text-align:right}@media(max-width:1000px){.hero{gap:5%;padding-top:45px}.hero-details{gap:12px;font-size:11px}.hero-visual{padding:20px}.booking-section{padding:30px;gap:5%;grid-template-columns:.9fr 1.2fr}.form-grid{grid-template-columns:1fr;gap:0}h2{font-size:49px}}@media(max-width:720px){header{padding:20px 5%}.brand b{font-size:11px}.brand{font-size:10px}.knight{font-size:40px}nav>a:first-child{display:none}.nav-book{font-size:12px;padding:9px}.hero{grid-template-columns:1fr;padding:35px 6% 45px;gap:36px}h1{font-size:67px}.eyebrow{font-size:11px;letter-spacing:1px}.hero-intro{font-size:16px}.hero-details{font-size:12px;gap:20px;margin-top:25px}.hero-visual{max-width:440px;width:94%;margin:0 auto;transform:rotate(-1deg);padding:23px}.piece{font-size:clamp(24px,8vw,46px)}.strip{display:block;padding:23px 0}.strip p{font-size:16px;margin-top:12px}.lessons-section{padding:45px 6%;grid-template-columns:1fr;gap:28px}h2{font-size:49px}.section-heading>p:last-child{max-width:440px}.booking-section{grid-template-columns:1fr;margin:0 4% 35px;padding:25px 18px;gap:28px}.booking-info{margin-top:20px}form{padding:23px 18px}.form-grid{grid-template-columns:1fr 1fr;gap:12px}footer{flex-wrap:wrap;padding:24px 6%}footer p{display:none}footer>span{font-size:11px}}@media(max-width:380px){.form-grid{grid-template-columns:1fr;gap:0}h1{font-size:58px}.hero-details{gap:12px;font-size:11px}}

.coach-section{margin:0 6% 76px;display:grid;grid-template-columns:1fr 1fr;gap:9%;align-items:center}.coach-photo{overflow:hidden;border-radius:8px;background:#243e32}.coach-photo img{display:block;width:100%;height:auto}.coach-copy>p:not(.eyebrow){font-size:17px;line-height:1.85;color:var(--muted)}.coach-copy h2{font-size:clamp(44px,4.6vw,64px)}.coach-profile{display:block;font-size:14px;margin:24px 0;text-underline-offset:5px}.coach-copy .button{margin-top:6px}@media(max-width:720px){.coach-section{grid-template-columns:1fr;gap:30px;margin:0 6% 45px}.coach-photo{max-width:460px;width:100%;margin:auto}.coach-copy h2{font-size:49px}.coach-copy>p:not(.eyebrow){font-size:16px}}
.coach-stats{display:flex;gap:32px;margin:28px 0;padding:21px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);flex-wrap:wrap}.coach-stats strong{display:block;font-size:36px;font-weight:500;line-height:1.2}.coach-stats span{display:block;font-size:13px;color:var(--muted);margin-top:7px}

.lesson-prices{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:28px 0 14px}.lesson-prices>div{background:#f8faf3;border:1px solid #cbd6c4;border-radius:5px;padding:18px 14px}.lesson-prices span{display:block;font-size:14px}.lesson-prices strong{display:block;font-size:35px;font-weight:500;margin-top:5px;line-height:1.3}.lesson-prices p{grid-column:1/-1;font-size:12px;color:var(--muted);margin:0}

.hero-actions{display:flex;gap:20px;align-items:center;flex-wrap:wrap}.secondary-action{font-size:14px;text-underline-offset:5px}.hero-intro strong{font-weight:500;color:var(--ink)}.podcast-section{margin:60px 6% 0;padding:42px;background:#153d36;color:#f4f6eb;border-radius:8px;display:grid;grid-template-columns:1fr 1.15fr;gap:8%}.podcast-section h2 em{color:#dbea9f}.podcast-intro>p:not(.eyebrow){color:#cedbcd;line-height:1.8}.listen-links{display:flex;flex-wrap:wrap;gap:12px;margin:26px 0}.listen-links a{border:1px solid #7a9785;border-radius:4px;padding:10px 14px;font-size:14px;text-decoration:none}.listen-links a:hover{background:#285847}.podcast-intro .podcast-distinction{font-size:13px;border-top:1px solid #4f6a59;padding-top:20px}.episode{display:flex;gap:15px;align-items:center;text-decoration:none;padding:24px 0;border-top:1px solid #476556}.episode>span:nth-child(2){flex:1}.episode small{font-size:11px;letter-spacing:1px;color:#c8d9bb}.episode strong{display:block;font-size:20px;font-weight:500;margin:6px 0}.episode>span:nth-child(2)>span{font-size:14px;color:#cedbcd}.play-icon{display:flex;justify-content:center;align-items:center;border:1px solid #718b71;width:40px;height:40px;border-radius:50%;font-size:13px;flex-shrink:0}.episode:hover .play-icon{background:#dbea9f;color:#153d36}.podcast-bridge{background:#234e40;border-radius:5px;padding:20px;margin-top:12px}.podcast-bridge p{font-size:14px;color:#cedbcd;margin:7px 0 12px}.podcast-bridge a{font-size:14px;color:#dbea9f;text-underline-offset:4px}.podcast-cover{width:100%;height:auto;display:block;border-radius:5px}.cover-link{display:block}.hero-visual.podcast-art{transform:rotate(-2deg);padding:22px}.podcast-art .visual-label{margin-top:18px}@media(max-width:900px){nav{gap:18px}.podcast-section{padding:30px;gap:6%}}@media(max-width:720px){nav>a:not(.nav-book){display:none}.podcast-section{grid-template-columns:1fr;gap:30px;padding:25px;margin-top:35px}.episode strong{font-size:18px}.hero-visual.podcast-art{max-width:400px}.hero-actions{gap:18px}}

.availability{margin:25px 0;padding:20px 0;border-top:1px solid #cbd6c4;border-bottom:1px solid #cbd6c4}.availability h3{font-size:19px;margin:0 0 14px}.availability dl{margin:0}.availability dl>div{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:6px 0;font-size:14px}.availability dd{margin:0;font-weight:600}.availability p{font-size:13px;color:var(--muted);line-height:1.6;margin:12px 0 0}
.free-reading-section{margin:76px 6% 0;padding:46px;background:#edf1e8;border:1px solid #d7e0d2;border-radius:8px;display:grid;grid-template-columns:1fr 1.15fr;gap:8%;align-items:center}.free-reading-section>div:first-child>p:not(.eyebrow){max-width:480px;color:var(--muted);font-size:16px}.free-reading-card{background:#153d36;color:#f4f6eb;border-radius:6px;padding:30px}.free-reading-card h3{font-family:'Libre Caslon Display',Georgia,serif;font-size:34px;font-weight:400;line-height:1.1;margin:12px 0}.free-reading-card p{color:#cedbcd;margin:0 0 23px}.free-reading-card .button{background:#dbea9f;color:#153d36}.free-reading-card .button:hover{background:#eef5bd}.reading-page{background:#f8f9f5}.reading-hero{max-width:900px;margin:auto;padding:72px 6% 45px}.reading-hero h1{font-size:clamp(48px,6vw,78px);max-width:850px}..reading-hero p:last-child{max-width:680px;color:var(--muted);font-size:18px;line-height:1.8}.reading-layout{max-width:1100px;margin:auto;padding:0 6% 80px;display:grid;grid-template-columns:220px 1fr;gap:60px}.lesson-menu{position:sticky;top:25px;align-self:start;border-top:1px solid var(--line);padding-top:18px}.lesson-menu a{display:block;font-size:14px;text-decoration:none;padding:7px 0;color:var(--muted)}.lesson-menu a:hover{color:var(--ink)}.reading-content{min-width:0}.reading-content section{border-top:1px solid var(--line);padding:35px 0 10px;scroll-margin-top:25px}.reading-content h2{font-size:42px;margin-bottom:18px}.reading-content h3{font-size:23px;margin-top:30px}.reading-content p{max-width:700px;color:#35473e}.reading-content li{max-width:680px;margin:9px 0;color:#35473e}.memory-card{background:#153d36;color:#f4f6eb;padding:25px 28px;border-radius:6px;margin:25px 0;max-width:700px}.memory-card p,.memory-card li{color:#dce8d9}.break-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px;max-width:700px}.break-grid>div{border:1px solid #cbd6c4;border-radius:5px;padding:18px;background:#f1f5ec}.break-grid h3{margin:0 0 8px;font-size:19px}.break-grid p{margin:0;font-size:15px}.lesson-check{border-top:1px solid var(--line);margin-top:30px;padding-top:20px}.lesson-check li{margin-bottom:12px}.reading-footer{max-width:900px;margin:auto;padding:0 6% 70px}.reading-footer a{text-underline-offset:5px}@media(max-width:800px){.free-reading-section{grid-template-columns:1fr;gap:30px;padding:30px}.reading-layout{grid-template-columns:1fr;gap:25px}.lesson-menu{position:static;display:flex;gap:18px;flex-wrap:wrap;border-bottom:1px solid var(--line);border-top:0;padding:0 0 15px}.lesson-menu a{padding:0}.reading-hero{padding-top:45px}.reading-content h2{font-size:39px}}@media(max-width:520px){.break-grid{grid-template-columns:1fr}.free-reading-card{padding:23px}.reading-hero h1{font-size:50px}}
/* Free readable lesson page refinements */
.reading-hero p:last-child{max-width:680px;color:var(--muted);font-size:18px;line-height:1.8}
.lesson-library{max-width:1100px;margin:0 auto;padding:0 6% 80px;display:grid;grid-template-columns:1fr 1fr;gap:18px}.lesson-choice{display:block;text-decoration:none;background:#153d36;color:#f4f6eb;border-radius:7px;padding:30px;min-height:310px;transition:transform .18s ease,box-shadow .18s ease}.lesson-choice:hover{transform:translateY(-3px);box-shadow:0 12px 24px #24392220}.lesson-choice .card-number{color:#c8d9bb}.lesson-choice h2{font-size:39px;color:#f4f6eb;margin:22px 0 16px}.lesson-choice h2 em{color:#dbea9f}.lesson-choice p{color:#cedbcd;max-width:430px}.lesson-link{display:inline-block;color:#dbea9f;border-bottom:1px solid #7a9785;margin-top:12px;padding-bottom:3px;font-size:14px}@media(max-width:720px){.lesson-library{grid-template-columns:1fr;padding-bottom:55px}.lesson-choice{min-height:0}.lesson-choice h2{font-size:35px}}

/* Friendly chess-club theme */
:root{--ink:#16324f;--green:#087f8c;--lime:#ffe066;--muted:#52677b;--line:#cfdeea}
body,.reading-page{background:linear-gradient(180deg,#fffdf4 0,#f5fbff 52%,#fff8ed 100%)}
header{background:#ffffffcc;backdrop-filter:blur(10px);border-bottom:2px solid #d9e9f2}
.knight{color:#f06c5f;transform:rotate(-5deg)}
.brand b{color:#087f8c}
.menu-button,.nav-book{border:2px solid #16324f;border-radius:999px;background:#ffe066;box-shadow:3px 3px 0 #16324f;font-weight:700}
.menu-button:hover,.nav-book:hover{transform:translate(-1px,-1px);box-shadow:5px 5px 0 #16324f}
.menu-links{border:2px solid #16324f;border-radius:16px;box-shadow:6px 7px 0 #16324f;padding:10px}
.menu-links a{border-radius:10px;font-weight:600}.menu-links a:hover{background:#e4f8fb}
h1,h2{letter-spacing:-1px}h1 em,h2 em{color:#087f8c}
.eyebrow{display:inline-block;background:#ffe8a3;border-radius:999px;padding:6px 11px;letter-spacing:1.2px;color:#16324f}
.button{background:#087f8c;border:2px solid #16324f;border-radius:999px;box-shadow:4px 4px 0 #16324f;font-weight:700}.button:hover{background:#20a4b2;transform:translate(-1px,-1px);box-shadow:6px 6px 0 #16324f}
.hero-visual,.podcast-section,.free-reading-card,.memory-card{background:#174f73;border:2px solid #16324f;border-radius:22px}
.hero-visual{box-shadow:13px 14px 0 #ffe066}.podcast-section{box-shadow:10px 10px 0 #9ee7e5}
.strip{background:#fff;border:2px dashed #f0a85b;border-radius:18px;padding:22px 25px}
.free-reading-section{background:#fff3c7;border:2px solid #f0a85b;border-radius:24px;box-shadow:9px 9px 0 #ffd18c}
.free-reading-card{box-shadow:7px 7px 0 #f06c5f}.free-reading-card .button{background:#ffe066}
.lesson-cards{gap:14px}.lesson-cards article{background:#fff;border:2px solid #d4e5ee;border-radius:18px;padding:23px!important}.lesson-cards article:nth-child(2){background:#e7f8f7}.lesson-cards article:nth-child(3){background:#fff0e8}
.coach-photo{border:3px solid #16324f;border-radius:24px;box-shadow:10px 10px 0 #9ee7e5;transform:rotate(-1deg)}
.booking-section{background:#fff0df;border:2px solid #f0a85b;border-radius:24px;box-shadow:10px 10px 0 #ffd18c}
form{border:2px solid #cfdeea;border-radius:20px;box-shadow:6px 7px 0 #9ee7e5}input,select,textarea{border:2px solid #c6d9e5;border-radius:11px}
.lesson-library{grid-template-columns:repeat(3,1fr);gap:22px}.lesson-choice{border:3px solid #16324f;border-radius:24px;box-shadow:8px 8px 0 #16324f;min-height:330px}.lesson-choice:nth-child(1){background:#087f8c}.lesson-choice:nth-child(2){background:#ea6a5b}.lesson-choice:nth-child(3){background:#5b63b7}.lesson-choice:hover{transform:translate(-2px,-5px);box-shadow:11px 13px 0 #16324f}.lesson-choice .card-number{color:#fff5bf}.lesson-choice h2 em,.lesson-link{color:#ffe066}
.reading-content section{background:#ffffffb8;border:2px solid #d8e6ee;border-radius:20px;padding:30px;margin:0 0 22px}.lesson-menu{background:#fff;border:2px solid #d8e6ee;border-radius:18px;padding:16px;top:18px}.lesson-menu a{border-radius:9px;padding:7px 9px}.lesson-menu a:hover{background:#e4f8fb;color:#087f8c}
.break-grid>div{border:2px solid #c5dce7;border-radius:16px;background:#f7fcff}
@media(max-width:900px){.lesson-library{grid-template-columns:1fr 1fr}}
@media(max-width:720px){.lesson-library{grid-template-columns:1fr}.strip{margin-left:4%;margin-right:4%}.reading-content section{padding:24px 20px}.lesson-menu{border:0;border-bottom:2px solid var(--line);border-radius:0;background:transparent}}
.podcast-actions{display:flex;gap:12px;flex-wrap:wrap;margin:22px 0 8px}.podcast-button{border:2px solid #ffe066;background:#ffe066;color:#16324f;border-radius:999px;padding:12px 17px;font-weight:700;cursor:pointer;box-shadow:3px 3px 0 #0d2e47}.podcast-button:hover{transform:translate(-1px,-1px);box-shadow:5px 5px 0 #0d2e47}.podcast-button:last-child{background:#9ee7e5}.share-status{min-height:24px;color:#ffe066;font-size:13px;margin:5px 0}.podcast-actions+#more-episodes .episode{border-top:1px solid #6e91a6}

/* Five-part London reader */
.london-book .reading-layout{max-width:1240px;gap:36px;grid-template-columns:240px minmax(0,1fr)}.london-book .reading-content p{font-size:1.0625rem;line-height:1.85}.london-book .reading-content h2{font-size:clamp(1.65rem,3vw,2.2rem);letter-spacing:-.5px;line-height:1.18}.london-book .lesson-menu{max-height:calc(100vh - 40px);overflow:auto}.london-book .lesson-menu strong{font-size:1rem}.london-book .lesson-menu a[aria-current="page"]{font-weight:bold;background:#e4f8fb;color:#16324f}.book-pagination{display:flex;justify-content:space-between;flex-wrap:wrap;gap:18px;padding:20px 0}.book-pagination a{display:block!important;text-decoration:underline;padding:12px 0;font-size:1rem}.london-book .reading-hero h1{overflow-wrap:break-word}.london-book .lesson-choice h2{font-size:2rem;line-height:1.15}.london-book .lesson-choice{min-height:0}.lesson-choice:nth-child(4){background:#174f73}.lesson-choice:nth-child(5){background:#087f8c}@media(max-width:800px){.london-book .reading-layout{grid-template-columns:1fr}.london-book .lesson-menu{display:block;max-height:none}.london-book .lesson-menu a{padding:8px 0}.london-book .reading-hero h1{font-size:clamp(2.3rem,8vw,3.5rem)}}

/* Caro–Kann collection */
.caro-guide{max-width:980px;margin:0 auto;padding:0 6% 70px}.caro-guide h2{font-size:clamp(2rem,5vw,3rem);line-height:1.15}.caro-guide table{width:100%;border-collapse:collapse;margin:24px 0;background:#fff}.caro-guide th,.caro-guide td{text-align:left;padding:14px;border:1px solid #cedfe9;vertical-align:top}.caro-guide th{background:#174f73;color:#fff}.caro-book .opening-line{font-size:1rem;overflow-wrap:anywhere}.caro-book .lesson-choice:nth-child(3n+1){background:#174f73}.caro-book .lesson-choice:nth-child(3n+2){background:#087f8c}.caro-book .lesson-choice:nth-child(3n){background:#5b63b7}.caro-book .lesson-choice p{color:#fff}.caro-book .lesson-menu a[aria-current="page"]{font-weight:700;background:#e4f8fb;color:#16324f}@media(max-width:520px){.caro-guide th,.caro-guide td{padding:10px;overflow-wrap:anywhere}.caro-book .lesson-choice h2{font-size:1.9rem}}

/* Readable lesson comparison tables */
.lesson-table-wrap{overflow-x:auto;margin:24px 0}.lesson-table{width:100%;border-collapse:collapse;font-size:1rem;background:#fff}.lesson-table caption{text-align:left;font-weight:700;padding-bottom:12px}.lesson-table th,.lesson-table td{padding:12px;border:1px solid #cbdce5;text-align:left;vertical-align:top}.lesson-table th{background:#174f73;color:#fff}.london-book .reading-content li{font-size:1.0625rem;line-height:1.75}.london-book .lesson-menu hr{border:0;border-top:1px solid #cbdce5;margin:14px 0}@media(max-width:520px){.lesson-table th,.lesson-table td{padding:8px}.lesson-table{font-size:.875rem}}
/* Reader tools and optional learning aids */
[hidden]{display:none!important}.reading-tools,.learning-summary,.page-share{max-width:980px;margin:0 auto 28px;padding:0 6%}.reading-tools{display:flex;align-items:center;flex-wrap:wrap;gap:12px}.reading-tools p{flex-basis:100%;font-size:.875rem;margin:0;color:#415568}.reading-tools button,.page-share button,.board-controls button{border:2px solid #174f73;border-radius:12px;background:#fff;color:#16324f;padding:11px 16px;cursor:pointer;font-size:1rem;min-height:44px}.complete-lesson[aria-pressed=true]{background:#174f73;color:white}.progress-badge{display:block;width:fit-content;margin-top:16px;background:#fff;color:#16324f;padding:5px 10px;border-radius:8px;font-size:.875rem;font-weight:600}.answer-reveal{border:2px solid #bed7e7;border-radius:14px;margin:22px 0;background:#f0f8fd;padding:14px 18px}.answer-reveal summary,.example-board summary{font-size:1rem;font-weight:600;cursor:pointer;min-height:32px}.answer-reveal[open] summary{margin-bottom:12px}.answer-reveal p:last-child{margin-bottom:0}.example-board{border:2px solid #174f73;border-radius:20px;padding:22px;margin:0 0 24px;background:#f1f7fb}.example-board>p{font-size:1rem!important}.board-surface{display:grid;grid-template-columns:repeat(8,minmax(0,1fr));width:100%;max-width:480px;aspect-ratio:1;border:3px solid #16324f;margin:18px 0}.replay-square{position:relative;display:flex;align-items:center;justify-content:center;min-width:0;background:#f0e9d2;aspect-ratio:1}.replay-dark{background:#789a9f}.replay-piece{font-family:'DejaVu Sans','Segoe UI Symbol',serif;font-size:clamp(22px,5vw,42px);line-height:1}.replay-white{color:#fff;text-shadow:1px 1px #142b3c,-1px -1px #142b3c,1px -1px #142b3c,-1px 1px #142b3c}.replay-black{color:#102537}.replay-coordinate{position:absolute;bottom:1px;left:3px;font:10px/1.2 Arial,sans-serif;color:#16324f}.board-controls{display:flex;gap:8px;flex-wrap:wrap}.board-controls button:disabled{opacity:.45;cursor:default}.board-step{font-weight:700}.page-share{padding-bottom:28px}.page-share p{overflow-wrap:anywhere}.learning-summary:empty{display:none}.learning-summary a{font-weight:600}.related-audio h2{font-size:1.75rem!important}header nav{gap:18px}@media(max-width:1100px){header>nav{display:none}}@media(max-width:520px){.example-board{padding:16px 12px}.replay-piece{font-size:clamp(21px,7vw,35px)}.board-controls button{padding:9px 10px;font-size:.9rem}}

.board-practice{padding:18px;margin:16px 0;background:#e7f8f7;border:1px solid #b7dce0;border-radius:12px}.board-practice h3{margin:0 0 10px}.board-practice label{display:block;font-weight:600}.board-practice textarea{display:block;width:100%;margin:8px 0 14px;padding:10px;border:1px solid #7195a5;border-radius:6px;resize:vertical;background:#fff;color:#16324f;font:inherit}.board-practice button{border:0;border-radius:6px;padding:12px 18px;background:#087f8c;color:#fff;cursor:pointer;font:inherit}.board-practice button[hidden]{display:none}