@font-face{font-family:LingoSans;src:url(../fonts/LingoSans.woff2) format('woff2');font-weight:100 900;font-display:swap}
:root{color-scheme:light;--bg:#f8f7ef;--paper:#fffefa;--ink:#354b3b;--muted:#7b8471;--line:#dedfcf;--green:#628457;--soft:#eaf0dd;--gold:#dfb74c;font:16px/1.75 LingoSans,system-ui,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink)}button,input,select,textarea{font:inherit;color:inherit}button,a{touch-action:manipulation}button{cursor:pointer}button:disabled{opacity:.4;cursor:default}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #bb9c43;outline-offset:4px}button{border:1px solid var(--line);background:var(--paper);border-radius:14px;padding:10px 17px;min-height:44px}h1,h2,h3,p{margin:0}h1{font-size:clamp(28px,4vw,46px);line-height:1.25;letter-spacing:-.035em}h2{font-size:26px;line-height:1.4}h3{font-size:19px}header{border-bottom:1px solid var(--line);padding-top:env(safe-area-inset-top,0px)}.header-inner{max-width:1180px;margin:auto;display:flex;align-items:center;padding:18px 28px;gap:20px}.brand{font-size:21px;font-weight:850;line-height:1.2;margin-right:auto}.brand small{display:block;font-size:8px;letter-spacing:.18em;color:var(--muted);margin-top:5px}nav{display:flex;gap:8px;align-items:center}nav button,nav a{padding:9px 12px;font-size:12px;min-height:44px;display:inline-flex;align-items:center;justify-content:center}nav button{background:transparent}main{max-width:1180px;padding:34px 28px 64px;margin:auto;min-width:0}.eyebrow{display:block;font-size:10px;font-weight:800;letter-spacing:.12em;color:var(--green);margin-bottom:12px}.primary,.soft,.small,.back{display:inline-flex;justify-content:center;align-items:center;gap:8px;font-weight:700}.primary{background:var(--green);color:#fffdf0;border-color:var(--green)}.soft{background:var(--paper)}.small{font-size:12px;padding:7px 12px;min-height:40px}.back{border:0;background:none;padding-left:0;color:var(--muted);font-size:12px}.empty{padding:80px 20px;text-align:center}.intro{color:var(--muted);font-size:14px;margin:12px 0 22px;line-height:1.85}.quiet-note{font-size:11px;color:var(--muted);line-height:1.8;margin-top:20px}.status{max-width:1124px;margin:0 auto 24px;padding:0 22px;color:#956f36;font-size:13px}.status:empty{display:none}.library-hero{padding:28px 8px 36px}.library-hero p{font-size:16px;color:var(--muted);margin:20px 0 24px}.hero-actions{display:flex;gap:10px;flex-wrap:wrap}.book-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.book-card{display:block;padding:0;overflow:hidden;border-radius:22px;text-align:left;transition:translate .2s,box-shadow .2s}.book-card:hover{translate:0 -4px;box-shadow:0 10px 24px #4f6b3020}.book-card>img{display:block;width:100%;aspect-ratio:4/3;object-fit:cover}.book-copy{display:block;padding:22px}.book-copy small{font-size:10px;letter-spacing:.08em;color:var(--green);font-weight:800}.book-copy h2{font-size:24px;margin:8px 0}.book-copy p{font-size:14px;color:var(--muted)}.card-progress,.card-link{display:block;font-size:11px;margin-top:18px}.card-link{color:var(--green);font-weight:800}.record-list{display:grid;gap:15px;margin-top:25px}.record-list article{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:22px;border:1px solid var(--line);border-radius:18px;background:var(--paper)}.record-list h2{font-size:22px}.record-list p{font-size:12px;color:var(--muted);margin-top:6px}.book-heading{display:flex;align-items:center;flex-wrap:wrap;gap:15px}.book-heading>div{flex-basis:100%;margin:12px 0 20px}.book-heading h1{font-size:clamp(28px,4vw,40px)}.book-heading p{color:var(--muted);font-size:13px;margin-top:8px}.pdf-link{margin-left:auto;font-size:11px;color:var(--muted);padding:10px 14px;border:1px solid var(--line);border-radius:12px}.primary-tabs{display:flex;gap:6px;padding:5px;border:1px solid var(--line);border-radius:16px;background:#e9ecdd;margin-bottom:22px}.primary-tabs button{flex:1;border:0;background:none;font-size:13px}.primary-tabs [aria-pressed=true]{background:var(--paper);color:var(--green);font-weight:800;box-shadow:0 2px 5px #50682b0a}.reader,.workbook,.parent-guide{border:1px solid var(--line);border-radius:24px;background:var(--paper);padding:26px}.reading-controls{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:20px;font-size:12px;color:var(--muted)}.reading-controls>div{display:flex;gap:8px}.reading-layout{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:center}.reading-layout figure{margin:0}.reading-layout img{width:100%;max-height:560px;object-fit:contain;display:block;border-radius:16px}.story-text{font-size:var(--reading-size,22px);line-height:1.8;overflow-wrap:anywhere}.story-text p+p{margin-top:12px}.story-text b{color:#597c4b;background:#edf2de;border-radius:4px;padding:0 3px}.audio-card{display:flex;gap:14px;align-items:center;flex-wrap:wrap;border-top:1px solid var(--line);margin-top:28px;padding-top:20px}.audio-card>label{font-size:12px;display:flex;gap:7px;align-items:center}.audio-card select{border:1px solid var(--line);border-radius:9px;background:#fffef8;padding:7px}.audio-card small{flex-basis:100%;font-size:10px;color:var(--muted)}.check-label input{width:17px;height:17px;accent-color:var(--green)}.reader-nav{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-top:22px}.reader-nav button{font-size:12px}.read-mark{color:var(--muted)}.read-mark.done{color:var(--green);background:var(--soft)}.activity-heading p{font-size:12px;color:var(--muted);margin:6px 0 14px}.activity-tabs{display:flex;gap:7px;flex-wrap:wrap;margin-bottom:20px}.activity-tabs button{font-size:12px;padding:8px 13px}.activity-tabs [aria-pressed=true]{background:var(--green);border-color:var(--green);color:#fffef2}.activity-nav{display:flex;justify-content:space-between;gap:12px;margin-top:20px}.word-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:22px}.word-card{padding:22px;border:1px solid var(--line);border-radius:16px;background:#fbfaf4}.word-card h3{font-size:25px}.word-card>p{font-size:14px}.word-card .pronounce{font-size:11px;color:var(--green);margin:6px 0}.word-card>div{display:flex;gap:8px;flex-wrap:wrap;margin-top:15px}.word-card.known{border-color:#91af76;background:#f1f5e7}.match-columns{display:grid;grid-template-columns:1fr 1fr;gap:30px}.match-columns>div{display:grid;gap:12px}.match-word,.match-meaning{min-height:68px;width:100%;font-size:17px}.match-word small{display:block;font-size:11px;color:var(--muted);margin-top:5px}.match-word.selected,.blank.selected{outline:2px solid var(--green);outline-offset:2px;background:#f0f5e2}.check-answer{margin-top:24px}.sound-family{padding:20px;border:1px solid var(--line);border-radius:16px;margin-top:15px}.sound-family h3{display:inline-block;color:#fff;background:#7f9d63;padding:3px 14px;border-radius:20px;font-size:16px}.sound-family>div{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}.sound-choice{display:inline-flex;align-items:center;gap:2px}.sound-choice button{padding:8px 12px;min-height:44px}.sound-choice [aria-pressed=true]{background:#e5efd7;border-color:#84a56a;color:#436534}.sound-choice .listen-mini{border:0;background:none;padding:8px;font-size:12px;color:var(--green)}.writing-list{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:18px}.writing-list article{border:1px solid var(--line);border-radius:16px;padding:20px}.writing-list h3{font-size:17px}.writing-list details{font-size:12px;margin:12px 0}.writing-list summary{cursor:pointer;color:var(--muted)}.writing-list details span{font-size:24px;display:block;color:var(--green);margin:8px 0}.writing-list input{width:100%;min-width:0;border:1px solid #d8decc;border-radius:12px;background:#f9f8ef;padding:15px;font-size:18px}.word-bank{display:flex;gap:8px;flex-wrap:wrap;background:#eff4e7;border:1px dashed #b8cbaa;border-radius:14px;padding:15px;margin:20px 0}.word-bank button{font-weight:800;min-width:65px;font-size:16px}.cloze-list article{position:relative;border-bottom:1px solid var(--line);padding:20px 0 23px 36px}.cloze-list article:last-child{border-bottom:0}.question-number{position:absolute;left:0;top:24px;background:#e8d696;border-radius:50%;font-size:11px;width:23px;height:23px;display:grid;place-items:center}.cloze-list p{font-size:21px;line-height:2.4}.cloze-list small{color:var(--muted);font-size:12px;display:block;margin-top:4px}.blank{display:inline-block;border:0;border-bottom:2px solid #8ca67d;border-radius:7px 7px 0 0;min-width:85px;padding:0 10px;background:#f1f5e8;font-size:19px;line-height:1.9;margin:0 4px}.creative-starters{display:flex;gap:8px;flex-wrap:wrap;margin:20px 0}.workbook>label{display:block;font-size:13px;font-weight:700;margin-bottom:8px}textarea{width:100%;border:1px solid var(--line);border-radius:14px;background:#faf9f2;padding:16px;min-height:160px;resize:vertical;font-size:19px;line-height:1.7}.drawing{margin-top:20px;border:1px solid var(--line);border-radius:16px;overflow:hidden}.drawing canvas{width:100%;height:auto;display:block;aspect-ratio:900/520;background:#fffefb;touch-action:none}.drawing>div{display:flex;gap:10px;flex-wrap:wrap;padding:12px;border-top:1px solid var(--line)}.drawing label{display:flex;align-items:center;gap:8px;font-size:12px}.drawing input[type=color]{width:36px;height:36px;border:0;padding:0;background:none}.grade-card{background:#edf5e4;border:1px solid #a0bd86;border-radius:16px;padding:20px;margin-top:25px}.grade-card.retry{background:#fff5df;border-color:#d7bc7d}.grade-card>b{font-size:21px}.grade-card p,.grade-card li{font-size:13px;line-height:1.9}.grade-card ul{padding-left:20px;margin-bottom:0}.parent-guide>p{line-height:2;font-size:15px;margin:18px 0}.parent-guide details{padding:18px 0;border-top:1px solid var(--line)}.parent-guide summary{cursor:pointer;font-weight:750;font-size:16px}.parent-guide li,.parent-guide details p{font-size:14px;line-height:2;margin:10px 0}.next-teaser{background:#eef2e4;padding:20px;border-radius:14px}.sr-only{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0}audio{display:none}
@media(max-width:800px){.book-grid{grid-template-columns:1fr}.book-card{display:grid;grid-template-columns:minmax(120px,36%) 1fr}.book-card>img{height:100%;aspect-ratio:auto;min-height:230px}.reading-layout{grid-template-columns:1fr}.reading-layout img{max-height:430px}.reading-layout{gap:22px}.reader,.workbook,.parent-guide{padding:22px}.story-text{font-size:var(--reading-size,22px)}}
@media(max-width:540px){.header-inner{padding:15px 16px;flex-wrap:wrap;gap:12px}.brand{font-size:20px}.brand small{font-size:7px}nav{width:100%;border-top:1px solid var(--line);padding-top:9px;justify-content:space-between}nav button,nav a{font-size:11px;min-height:38px}main{padding:24px 16px 40px}.library-hero{padding:10px 0 26px}.library-hero h1{font-size:33px}.library-hero p{font-size:13px}.book-card{grid-template-columns:1fr}.book-card>img{height:auto;aspect-ratio:4/3;min-height:0}.book-copy{padding:20px}.book-copy h2{font-size:25px}.reader,.workbook,.parent-guide{padding:18px;border-radius:19px}.reading-layout img{max-height:330px}.story-text p+p{margin-top:10px}.audio-card{gap:10px}.audio-card>.primary{flex-basis:100%}.reader-nav{flex-wrap:wrap;gap:8px}.reader-nav button{font-size:11px;padding:9px 12px}.reader-nav .read-mark{order:3;width:100%}.primary-tabs button{font-size:11px;padding:8px 4px}.activity-tabs{gap:6px}.activity-tabs button{font-size:10px;padding:7px 10px;min-height:40px}.workbook h2{font-size:23px}.word-grid{gap:10px}.word-card{padding:16px}.word-card h3{font-size:22px;overflow-wrap:anywhere}.word-card>p{font-size:12px}.word-card .small{font-size:10px;padding:6px 8px;min-height:38px}.match-columns{gap:14px}.match-word,.match-meaning{font-size:14px;padding:10px 8px;min-height:70px}.intro{font-size:12px}.writing-list{grid-template-columns:1fr;gap:12px}.writing-list article{padding:17px}.cloze-list article{padding-left:28px}.cloze-list p{font-size:18px}.blank{font-size:17px;min-width:68px;padding:0 7px}.word-bank{gap:7px;padding:12px}.word-bank button{font-size:14px;min-width:55px;padding:8px 12px}.sound-family{padding:16px}.sound-family>div{gap:7px}.sound-choice button{font-size:14px;padding:7px 10px}.sound-choice .listen-mini{padding:6px}.record-list article{display:block}.record-list button{margin-top:14px}.grade-card>b{font-size:18px}.parent-guide>p{font-size:13px}.parent-guide details p,.parent-guide li{font-size:12px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

.book-seek{display:flex;gap:12px;align-items:center;flex-basis:100%;width:100%}.book-seek input{flex:1;min-width:0;accent-color:var(--green);min-height:36px}.book-seek span{font-size:11px;color:var(--muted);min-width:75px;text-align:right}