.book-home-heading{display:flex;align-items:end;justify-content:space-between;gap:16px;margin:4px 0 25px}.book-home-heading h1{margin:9px 0 0;font-size:33px;line-height:1.35}.mobile-break{display:none}a{color:var(--green)}.playground-link{padding:12px 16px;border:1px solid #dce4d3;border-radius:14px;text-decoration:none;font-size:14px;font-weight:800;white-space:nowrap;background:#fff}.book-hero{display:grid;grid-template-columns:1.04fr 1fr;border:1px solid #dbe3d0;border-radius:28px;overflow:hidden;background:#f0f4e8;box-shadow:0 10px 32px #46633b0a}.book-cover{position:relative;min-height:420px;isolation:isolate}.book-cover>img{position:absolute;width:100%;height:100%;object-fit:cover;object-position:35% 50%;inset:0;z-index:-2}.book-cover:after{content:'';position:absolute;inset:0;background:linear-gradient(0deg,#193c32ed 0%,#21462c66 31%,transparent 68%);z-index:-1}.cover-ribbon{position:absolute;top:22px;left:23px;background:#fff9dedf;padding:9px 14px;border-radius:8px;font-weight:800;font-size:13px}.cover-title{position:absolute;bottom:32px;left:32px;color:#fff9e7}.cover-title small{font-size:15px;letter-spacing:.08em}.cover-title h2{font-family:'Batang','AppleMyungjo',serif;font-size:62px;letter-spacing:.06em;line-height:1.3;margin:8px 0 2px;font-weight:700}.cover-title>span{font-size:15px;color:#e2e9d9}.book-intro{padding:34px 37px}.book-intro h2{font-size:30px;line-height:1.35;margin:13px 0 14px;letter-spacing:-.045em}.book-intro>p{color:#5c7160;font-size:16px}.book-progress-label{display:flex;align-items:baseline;justify-content:space-between;margin:22px 0 9px;gap:10px}.book-progress-label>b{font-size:28px;color:var(--green)}.book-progress-label small{font-size:15px;font-weight:600}.book-progress-label>span{font-size:13px;color:#627360}.book-intro>.button{margin-top:22px}.pace-note{font-size:13px!important;margin:13px 0 0;text-align:center}.journey-explainer{display:flex;justify-content:space-between;gap:18px;border-bottom:1px solid var(--line);padding:25px 8px}.journey-explainer>div{display:grid;grid-template-columns:35px 1fr;column-gap:10px;align-items:center}.journey-explainer span{grid-row:1/3;color:#7b956f;font-size:14px;font-weight:900;border:1px solid #dae3d2;border-radius:50%;width:35px;height:35px;display:grid;place-items:center}.journey-explainer b{font-size:16px}.journey-explainer small{font-size:13px;color:var(--muted);margin-top:4px}.little-label{font-size:13px;color:var(--muted)}.story-parts{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:13px}.part-card{padding:0;border:1px solid #dfe6d7;border-radius:18px;text-align:left;overflow:hidden;background:#fff;box-shadow:0 4px 15px #243e2510}.part-card.current{border:2px solid #6d9860;box-shadow:0 4px 20px #46654015}.part-card.locked{background:#f3f3eb;box-shadow:none}.part-card.locked .part-picture{filter:saturate(.55);opacity:.75}.part-picture{height:122px;position:relative}.part-picture img{width:100%;height:100%;object-fit:cover}.part-picture>span{position:absolute;top:10px;left:10px;background:#fffcefef;font-size:13px;font-weight:850;border-radius:8px;padding:5px 9px}.part-copy{padding:17px 14px}.part-copy>small{font-size:12px;color:var(--muted)}.part-copy h3{font-size:18px;line-height:1.35;margin:8px 0}.part-copy>p{font-size:13px;color:#627263;line-height:1.6;min-height:62px;margin-bottom:12px}.part-copy>b{font-size:12px;font-weight:750;color:#4c6a50;display:block;line-height:1.5;margin-top:10px}.part-track{height:4px;background:#e5eadf;border-radius:8px;overflow:hidden}.part-track>i{display:block;height:100%;background:#80a46b}.parent-note summary{cursor:pointer;font-weight:800;padding:8px 0}.inline-error{font-size:14px;line-height:1.65;background:#fff2e2;color:#845121;border-radius:12px;padding:12px;margin:14px 0}.inline-error[hidden]{display:none}.inline-error>.text-button{display:block}.loading-note{padding:40px 0;text-align:center}.story-heading{display:flex;justify-content:space-between;align-items:center;gap:16px;margin:20px 0}.story-heading h1{font-size:30px;margin:8px 0 0}.sentence-counter{font-size:17px;color:var(--muted);white-space:nowrap}.sentence-counter>b{font-size:35px;color:var(--green)}.sentence-dots{display:grid;grid-template-columns:repeat(20,1fr);gap:6px;margin-bottom:25px}.sentence-dots>span{display:grid;place-items:center;border-radius:8px;height:28px;background:#edf0e5;font-size:12px;color:#7d8b77}.sentence-dots>span.done{background:#dfead4;color:#436943}.sentence-dots>span.current{background:#397753;color:white;font-weight:900;box-shadow:0 3px 8px #39775320}.story-workspace{display:grid;grid-template-columns:235px minmax(0,1fr);gap:23px;align-items:start}.story-companion{background:#eef3e5;border:1px solid #dfe7d6;border-radius:22px;overflow:hidden}.story-companion>img{width:100%;height:240px;object-fit:cover;display:block}.story-companion>div{padding:22px 18px}.word-chip{display:flex;flex-direction:column;align-items:start;gap:6px;padding:13px 0;background:transparent;border:0;font-size:30px;font-weight:850;color:var(--green)}.word-chip>span{font-size:13px;font-weight:650}.story-companion p{font-size:15px;margin:0 0 15px;line-height:1.65}.story-companion small{font-size:12px;line-height:1.7;color:var(--muted)}.sentence-card{padding:25px;background:white;border:1px solid var(--line);border-radius:23px}.sentence-model{font-size:30px;line-height:1.65;font-weight:750;word-break:keep-all;letter-spacing:-.04em;margin:20px 0 17px}.sentence-model mark{background:linear-gradient(transparent 55%,#f7e6a1 55%);color:inherit;padding:0 2px}.pad-instruction{font-size:13px;color:var(--muted);margin:0 0 15px}.sentence-pad-frame{background:#fffef9;border:2px solid #d4e0c9;border-radius:12px;overflow:hidden}.sentence-pad{display:block;width:100%;height:auto;touch-action:none;user-select:none;-webkit-user-select:none}.readonly-pad{touch-action:pan-y}.pen-label{font-size:13px;display:flex;gap:6px;align-items:center;color:var(--muted);white-space:nowrap}.pen-label input{accent-color:var(--green);width:18px;height:18px}.ink-note{margin:9px 0 18px;font-size:13px}.sentence-listening{display:flex;gap:8px;align-items:center;justify-content:space-between;margin:16px 0 0;flex-wrap:wrap}.sentence-listening .text-button{font-size:13px}.integrity-note{font-size:12px;margin:15px 0 0;line-height:1.6}.reader-page-count{font-size:31px;color:var(--green);white-space:nowrap}.reader-page-count>small{font-size:16px;color:var(--muted)}.reader-book{display:grid;grid-template-columns:.8fr 1.2fr;border:1px solid #d9dfcd;border-radius:22px;overflow:hidden;box-shadow:0 14px 35px #3d563414;align-items:stretch;background:#fffef6}.reader-art{background:#e9f0df;display:flex;flex-direction:column}.reader-art>img{width:100%;height:290px;object-fit:cover}.reader-art>div{padding:26px;position:relative;flex:1}.reader-art h2{font-size:24px;margin:12px 0}.reader-art p{font-size:15px;color:#627559}.book-seal{border:1px solid #a4b591;border-radius:50%;width:76px;height:76px;display:flex;flex-direction:column;align-items:center;justify-content:center;color:#6b8058;font-size:12px;transform:rotate(-10deg);margin-top:28px}.book-seal b{font-size:17px}.reader-paper{padding:24px 28px;background:linear-gradient(90deg,#eef0e411,#fffef6 8%);box-shadow:inset 8px 0 16px #56703a0b}.paper-heading{display:flex;justify-content:space-between;align-items:center;gap:15px;border-bottom:1px solid #e8e9dd;padding-bottom:14px;color:var(--muted);font-size:12px}.paper-heading .text-button{font-size:13px}.book-sentence{display:grid;grid-template-columns:22px 1fr;gap:5px;padding:16px 3px;border-bottom:1px solid #ecebdd;border-radius:6px;transition:background .2s}.book-sentence>p{font-size:26px;line-height:1.7;font-weight:650;letter-spacing:-.035em;word-break:keep-all;margin:0}.sentence-number{font-size:10px;color:#97a185;padding-top:12px}.book-sentence.speaking-line{background:#fff0b4}.paper-page{text-align:center;color:#94a181;font-size:13px;padding-top:24px}.saved-ink{grid-column:2;padding-top:12px;font-size:13px;line-height:1.6;color:var(--muted)}.saved-ink[hidden]{display:none}.saved-ink canvas{border:1px solid #e2e7d9;border-radius:6px}.reader-controls{max-width:800px;margin:25px auto 0}.reader-audio{display:flex;gap:12px;justify-content:center;align-items:center;flex-wrap:wrap;margin-top:18px}.reader-audio .text-button{font-size:13px}.page-navigation{display:flex;justify-content:space-between;align-items:center;gap:15px;margin-top:18px}.reader-page-dots{display:flex;gap:7px}.reader-page-dots>span{width:9px;height:9px;border-radius:50%;background:#dce3d2}.reader-page-dots>.current{background:#327452;box-shadow:0 0 0 4px #e4eeda}.reader-page-dots>.done{background:#97b283}.story-completion{max-width:750px;text-align:center;margin:15px auto 30px}.completion-image{position:relative;width:290px;height:220px;margin:15px auto 30px}.completion-image img{width:100%;height:100%;border-radius:50% 50% 44% 44%;object-fit:cover}.completion-image>span{position:absolute;font-size:80px;color:#efc75b;bottom:-20px;right:-5px;text-shadow:0 3px 0 white}.story-completion h1{font-size:32px;margin:17px 0}.story-completion>p{font-size:17px;color:var(--muted)}.completion-stamps{display:flex;justify-content:center;gap:14px;margin:26px 0}.completion-stamps>span{font-size:20px;line-height:1.8;color:#a7b09b;border:1px dashed #cdd8c0;border-radius:14px;padding:10px 16px}.completion-stamps>.done{color:#518048;border:1px solid #adca94;background:#eff5e4}.story-completion>.action-row{max-width:590px;margin:28px auto 18px}.word-dialog{max-width:700px}.word-mode-tabs{display:flex;gap:9px;margin:16px 0}.word-practice-pad{margin:16px 0 10px}.word-pad-footer{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}.word-dialog>.button.full{margin-top:14px}.word-dialog>p{font-size:15px}.word-dialog .compare-box[hidden]{display:none}.button:disabled{opacity:.5}.tool-button{min-height:44px}.text-button{min-height:40px}.page-footer small{max-width:100%;line-height:1.65}
@media(max-width:1050px){.book-intro{padding:29px}.story-parts{grid-template-columns:repeat(3,minmax(0,1fr))}.part-copy>p{min-height:42px}.story-workspace{grid-template-columns:190px minmax(0,1fr);gap:17px}.sentence-card{padding:22px}.story-companion>img{height:190px}.sentence-model{font-size:27px}.reader-paper{padding:22px}.book-sentence>p{font-size:25px}.book-intro h2{font-size:28px}.book-progress-label{flex-wrap:wrap}}
@media(max-width:850px){.story-workspace{grid-template-columns:minmax(0,1fr)}.story-companion{display:grid;grid-template-columns:150px 1fr}.story-companion>img{height:100%;min-height:145px;max-height:185px}.story-companion>div{padding:15px 20px}.word-chip{display:flex;flex-direction:row;align-items:center;gap:15px;padding:7px 0;font-size:25px}.story-companion small{display:none}.story-companion p{margin:0;font-size:14px}.sentence-model{font-size:30px}.sentence-card{padding:24px}.book-hero{grid-template-columns:1fr 1fr}.book-intro{padding:25px}.book-intro h2{font-size:26px}.book-intro>p{font-size:14px}.cover-title{left:24px;bottom:26px}.cover-title h2{font-size:49px}.cover-title small{font-size:12px}.book-cover{min-height:390px}.reader-book{grid-template-columns:.7fr 1fr}.reader-art>img{height:235px}.reader-art>div{padding:20px}.reader-art h2{font-size:21px}.reader-art p{font-size:14px}.book-sentence>p{font-size:24px}.journey-explainer{gap:12px}.journey-explainer b{font-size:14px}.journey-explainer small{font-size:11px}.journey-explainer>div{column-gap:7px}.little-label{display:none}}
@media(max-width:650px){.book-home-heading{align-items:center}.book-home-heading h1{font-size:27px}.playground-link{font-size:12px;padding:10px}.mobile-break{display:block}.book-hero{grid-template-columns:1fr}.book-cover{min-height:310px}.book-cover>img{object-position:50% 40%}.book-intro{padding:25px}.book-intro h2 br{display:none}.book-intro>p br{display:none}.book-intro h2{font-size:27px}.book-intro>p{font-size:15px}.book-progress-label{margin-top:15px}.book-progress-label>b{font-size:26px}.book-intro>.button{margin-top:18px}.journey-explainer{padding:20px 0;gap:8px}.journey-explainer>div{grid-template-columns:1fr;text-align:center;flex:1}.journey-explainer span{display:none}.journey-explainer b{font-size:12px}.journey-explainer small{font-size:10px}.story-parts{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.part-card:last-child{grid-column:1/3;display:grid;grid-template-columns:1fr 1fr}.part-card:last-child .part-picture{height:100%;min-height:165px}.part-picture{height:120px}.part-copy h3{font-size:17px}.part-copy>p{font-size:12px;min-height:58px}.part-copy>b{font-size:11px}.part-copy{padding:14px}.story-heading h1{font-size:23px;line-height:1.4}.story-heading .eyebrow{font-size:12px}.sentence-counter>b{font-size:30px}.sentence-dots{grid-template-columns:repeat(10,1fr);gap:5px;margin-bottom:20px}.sentence-dots>span{height:23px;font-size:11px}.story-companion{grid-template-columns:105px 1fr}.story-companion>img{min-height:120px}.story-companion>div{padding:12px}.story-companion .eyebrow{font-size:11px}.word-chip{font-size:23px;gap:9px}.word-chip>span{font-size:11px}.story-companion p{font-size:12px}.sentence-card{padding:19px 14px}.sentence-card .card-heading h2{font-size:20px}.sentence-card .phase-label{font-size:12px}.sentence-model{font-size:26px;margin-top:18px}.pad-tools{gap:10px}.tool-button{font-size:12px;padding:7px 9px}.pen-label{font-size:12px}.checkline{font-size:14px;padding:12px}.sentence-listening{justify-content:center}.sentence-listening .button{font-size:14px}.sentence-card .action-row{align-items:stretch;flex-direction:column-reverse}.reader-book{grid-template-columns:1fr}.reader-art{display:grid;grid-template-columns:120px 1fr}.reader-art>img{height:100%;min-height:160px}.reader-art>div{padding:17px}.reader-art h2{font-size:20px;margin:7px 0}.reader-art p{font-size:12px;margin:0}.reader-art .eyebrow{font-size:11px}.book-seal{display:none}.reader-paper{padding:18px 15px 23px}.book-sentence{padding:15px 1px;grid-template-columns:19px 1fr}.book-sentence>p{font-size:25px;line-height:1.75}.reader-page-count{font-size:25px}.reader-page-count>small{font-size:13px}.reader-controls{margin-top:20px}.page-navigation{gap:9px;flex-wrap:wrap}.page-navigation .button{font-size:13px;padding:12px;flex:1}.reader-page-dots{display:none}.story-completion h1{font-size:27px}.story-completion>p{font-size:15px}.completion-stamps{gap:7px}.completion-stamps>span{padding:8px 11px;font-size:16px}.word-dialog{padding:21px}.word-dialog h2{font-size:22px}.word-dialog .small{font-size:12px}}
.sentence-pad:focus-visible{outline:3px solid #e8a21f;outline-offset:3px}
[hidden]{display:none!important}
.book-switcher{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:13px;margin-bottom:18px}.book-choice{display:grid;grid-template-columns:88px 1fr;align-items:center;gap:12px;background:white;border:1px solid #dce4d4;border-radius:18px;padding:9px;text-align:left}.book-choice.selected{border:2px solid #397753;background:#f3f7ed;box-shadow:0 5px 18px #315d3513}.book-choice img{width:88px;height:74px;object-fit:cover;border-radius:12px}.book-choice>span{display:flex;flex-direction:column;gap:4px}.book-choice small{font-size:12px;color:var(--muted)}.book-choice b{font-family:'Batang','AppleMyungjo',serif;font-size:19px}.book-choice em{font-size:12px;color:var(--green);font-style:normal;font-weight:800}
@media(max-width:950px){.book-switcher{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:650px){.book-switcher{grid-template-columns:1fr}.book-choice{grid-template-columns:86px 1fr}.book-choice img{width:86px;height:68px}.book-choice b{font-size:19px}}