.eig-book-reader{--ann-ink:#263b34;--ann-green:#285b45;--ann-leaf:#e6efdf;--ann-gold:#f5c75d;--ann-paper:#fffdf6;color:var(--ann-ink);font-family:ui-rounded,'Avenir Next',system-ui,sans-serif;line-height:1.6;max-width:1080px;margin:24px auto;text-align:left}
.eig-book-reader *{box-sizing:border-box}.eig-book-reader [hidden]{display:none!important}.ann-app{background:var(--ann-paper);border:1px solid #dce3d6;border-radius:24px;box-shadow:0 10px 36px #223e2810;overflow:hidden}.ann-header{display:flex;justify-content:space-between;align-items:center;padding:26px 32px 16px;gap:12px}.ann-header h2{font-size:clamp(24px,4vw,36px);line-height:1.15;margin:6px 0;color:var(--ann-ink)}.ann-header p{margin:6px 0}.ann-eyebrow{font-size:12px;font-weight:800;letter-spacing:.12em;color:#50634b}.ann-muted,.ann-hint{color:#58645c;font-size:14px}.ann-badge{display:grid;place-items:center;flex:0 0 64px;height:64px;background:var(--ann-gold);border-radius:50%;font-size:28px;font-weight:800}.ann-tabs{display:flex;gap:6px;padding:0 32px 18px;border-bottom:1px solid #dce3d6;flex-wrap:wrap}.eig-book-reader button,.eig-book-reader select,.eig-book-reader summary{font:inherit;min-height:44px}.eig-book-reader button{border:1px solid #b5c4af;border-radius:12px;background:#fff;color:var(--ann-ink);padding:9px 16px;cursor:pointer;font-weight:650;line-height:1.35;white-space:normal}.eig-book-reader button:hover:not(:disabled){background:var(--ann-leaf);border-color:var(--ann-green)}.eig-book-reader button:disabled{opacity:.58;cursor:default}.eig-book-reader button:focus-visible,.eig-book-reader select:focus-visible,.eig-book-reader summary:focus-visible,.eig-book-reader [tabindex]:focus-visible{outline:3px solid #97650c;outline-offset:3px}.eig-book-reader .ann-primary,.ann-tabs button[aria-current=page]{background:var(--ann-green);color:#fff;border-color:var(--ann-green)}.eig-book-reader .ann-primary:hover:not(:disabled),.ann-tabs button[aria-current=page]:hover{background:#1a4432;color:#fff}.eig-book-reader button[aria-pressed=true]{background:#f6dfa8;border-color:#967224}.ann-storage{font-size:12px;color:#566057;margin:12px 32px}.ann-main{padding:4px 32px 24px}.ann-main h3{font-size:22px;color:var(--ann-ink);margin:14px 0}.ann-page-heading{display:flex;align-items:center;justify-content:space-between;gap:12px}.ann-page-number{font-size:13px;white-space:nowrap;color:#596559}.ann-toolbar{display:flex;flex-wrap:wrap;gap:8px;margin:8px 0 20px}.ann-spread{display:grid;grid-template-columns:1fr 1fr;border:1px solid #dde5d7;border-radius:18px;overflow:hidden;background:#fff}.ann-text-page{display:flex;flex-direction:column;justify-content:center;padding:28px;min-width:0}.ann-spread img{width:100%;height:100%;object-fit:contain;align-self:center}.ann-sentence{font-size:clamp(24px,3vw,36px);line-height:1.8;margin:12px 0;word-break:normal}.eig-book-reader .ann-word{min-width:44px;font:inherit;padding:0 2px;border:0;border-radius:5px;background:transparent;border-bottom:2px dotted #99b190;color:#263b34;min-height:44px}.ann-word mark{background:#f6d477;color:inherit;border-radius:3px}.ann-translation p{font-size:16px}.eig-book-reader summary{cursor:pointer;padding:10px 0;color:#355a3c}.ann-original{margin-top:16px;font-size:14px}.ann-original-images,.ann-book-images{display:flex;justify-content:center;flex-wrap:wrap;gap:12px}.ann-original-images img{width:calc(50% - 6px);height:auto;object-fit:contain}.ann-book-images img{width:min(100%,470px);height:auto;object-fit:contain;flex:1 1 230px;max-width:470px;border-radius:14px}.ann-page-nav{display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:12px;align-items:center;margin-top:22px}.ann-page-nav select{border:1px solid #b5c4af;border-radius:10px;padding:8px;background:#fff;color:var(--ann-ink);width:100%;text-overflow:ellipsis}.ann-status{min-height:24px;padding:0 32px;margin:0 0 16px;font-size:14px}.ann-word-grid{list-style:none;padding:0!important;display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:14px}.ann-word-card{background:white;border:1px solid #dce3d6;border-radius:16px;padding:18px;list-style:none}.ann-word-card p{margin:10px 0}.eig-book-reader .ann-word-link{font-size:23px;border:0;padding:0;background:none;text-decoration:underline;text-decoration-color:#9bb393;text-underline-offset:5px}.eig-book-reader .ann-remove{font-size:13px;font-weight:500;border:0;text-decoration:underline;padding:8px 0}.ann-empty{background:var(--ann-leaf);border-radius:14px;padding:24px}.ann-clear{margin-top:26px}.ann-dialog{border:1px solid #ccd5c6;border-radius:22px;padding:28px;max-width:500px;width:calc(100vw - 32px);max-height:calc(100dvh - 32px);color:var(--ann-ink);background:var(--ann-paper);box-shadow:0 20px 60px #0003;font-family:inherit;line-height:1.6}.ann-dialog::backdrop{background:#14282080}.ann-dialog h3{font-size:36px;margin:14px 0 0}.ann-dialog-close{display:block;margin-left:auto;margin-bottom:8px}.ann-definition{font-size:24px;line-height:1.5}.ann-dialog blockquote{margin:18px 0 0;padding:16px;border-left:4px solid var(--ann-green);background:var(--ann-leaf)}.ann-dialog .ann-toolbar{margin:16px 0}.ann-quiz-prompt{font-size:28px;font-weight:700}.ann-options{display:grid;gap:12px;margin:20px 0}.ann-options button{text-align:left;padding:16px;min-height:60px}.ann-options .ann-selected{border:2px solid var(--ann-green);opacity:1;background:var(--ann-leaf)}.ann-feedback{padding:18px;background:var(--ann-leaf);border-radius:14px;margin:16px 0}.ann-feedback p{margin:8px 0}.ann-result{font-size:56px;color:var(--ann-green);font-weight:800}.ann-review{list-style:none;padding:0!important}.ann-review li{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin:12px 0;padding:12px;border-bottom:1px solid #ddd}.ann-review li span:last-child{font-size:13px;color:#53664c}
@media(max-width:680px){.eig-book-reader{margin:12px auto}.ann-app{border-radius:16px}.ann-header{padding:20px 18px 12px}.ann-tabs{padding:0 18px 14px;gap:6px}.ann-tabs button{padding:9px 10px;font-size:14px}.ann-storage{margin:12px 18px}.ann-main{padding:0 18px 18px}.ann-spread{grid-template-columns:1fr}.ann-spread img{max-height:360px}.ann-text-page{padding:20px}.ann-sentence{font-size:27px;line-height:1.75}.ann-page-nav{gap:6px;grid-template-columns:1fr 1fr}.ann-page-nav select{grid-row:1;grid-column:1/-1}.ann-page-nav button{grid-row:2}.ann-original-images img{width:100%}.ann-status{padding:0 18px}.ann-toolbar{gap:6px}.ann-toolbar button{font-size:14px;padding:9px 12px}.ann-dialog{padding:20px}.ann-word-grid{grid-template-columns:1fr}.ann-badge{flex-basis:48px;height:48px;font-size:23px}}

/* No animation or layout shift: media-clock cue, distinct from letter-A marks. */
.eig-book-reader .ann-word.ann-speaking{background:#285b45;color:#fff;border-bottom:2px solid #163c29;box-shadow:0 3px 0 #163c29;border-radius:6px}.eig-book-reader .ann-word.ann-speaking:hover{background:#285b45;color:#fff}.ann-word.ann-speaking mark{background:transparent;color:inherit}

.ann-header-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap;justify-content:flex-end}.eig-book-reader:fullscreen,.eig-book-reader.ann-expanded{width:100%;max-width:none;height:100%;margin:0;padding:16px;overflow:auto;background:var(--ann-paper)}.eig-book-reader:fullscreen .ann-app,.eig-book-reader.ann-expanded .ann-app{max-width:1440px;margin:auto;min-height:calc(100vh - 32px)}.eig-book-reader:fullscreen::backdrop{background:#fffdf6}@media(max-width:600px){.ann-header-actions .ann-badge{display:none}.eig-book-reader:fullscreen,.eig-book-reader.ann-expanded{padding:0}.eig-book-reader:fullscreen .ann-app,.eig-book-reader.ann-expanded .ann-app{border-radius:0;min-height:100vh}}

.ann-fullscreen-dialog{width:100vw;max-width:none;height:100dvh;max-height:none;margin:0;padding:0;border:0;background:#fffdf6}.ann-fullscreen-dialog::backdrop{background:#fffdf6}