.reader-navigation{margin:1rem auto;max-width:var(--reader-width,52rem);padding:1rem;border:1px solid var(--line);border-radius:14px;background:#fffdf8}.search-row,.search-result-actions{display:flex;gap:.5rem}.search-result-actions{margin-top:.5rem}.search-result-actions button:disabled{cursor:not-allowed;opacity:.55}.search-row input{min-width:0;flex:1;padding:.5rem}.search-row button,.search-result-actions button,.chapter-index button{padding:.45rem .7rem;border-radius:8px;background:var(--lilac)}.chapter-index{display:flex;gap:.45rem;flex-wrap:wrap;margin:.6rem 0}.chapter-index [aria-current="true"]{background:var(--purple);color:#fff}.progress-track{height:.5rem;background:var(--lilac);border-radius:99px;overflow:hidden}.progress-track>div{height:100%;width:0;background:var(--turq)}.reader-text[data-font-family="serif"]{font-family:Georgia,"Times New Roman",serif}.reader-text[data-font-family="sans"]{font-family:system-ui,-apple-system,"Segoe UI",sans-serif}.reader-text[data-reading-width="narrow"]{max-width:38rem}.reader-text[data-reading-width="medium"]{max-width:52rem}.reader-text[data-reading-width="wide"]{max-width:70rem}.reader-text[data-paragraph-spacing="compact"] p{margin-bottom:.65em}.reader-text[data-paragraph-spacing="normal"] p{margin-bottom:1.15em}.reader-text[data-paragraph-spacing="relaxed"] p{margin-bottom:1.8em}.reader-text[data-letter-spacing="relaxed"]{letter-spacing:.045em}.reader-text[data-word-spacing="wide"]{word-spacing:.16em}.visual-mode{border:1px solid var(--line);border-radius:10px;padding:.65rem;margin:.5rem 0}.visual-mode label{display:block}.bionic-word{font-weight:800}.notes-heading{display:flex;align-items:center;justify-content:space-between;gap:1rem}.annotation-actions{display:flex;flex-wrap:wrap;gap:.5rem}.reduce-reader-motion *, .reduce-reader-motion *::before,.reduce-reader-motion *::after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,a:focus-visible{outline:3px solid var(--turq);outline-offset:3px}@media(max-width:520px){.search-row{flex-wrap:wrap}.search-row button{width:100%}.annotation-actions{width:100%}}

/* Foco y fragmentación: presentación reversible sobre el texto editorial intacto. */
.reader-text.focus-paragraph p[data-chapter]{opacity:.38;transition:opacity .16s ease,background-color .16s ease}
.reader-text.focus-paragraph p.reading-current{opacity:1;background:color-mix(in srgb,var(--lilac) 34%,transparent);border-radius:.65rem;padding:.35rem .55rem}
.reader-text.focus-line_guide p[data-chapter]{opacity:.58;transition:opacity .16s ease,box-shadow .16s ease}
.reader-text.focus-line_guide p.reading-current{opacity:1}
.reader-text .reading-guide{position:relative;border-inline-start:.3rem solid var(--turq);border-radius:.35rem;padding:.4rem .65rem;box-shadow:0 0 0 1px color-mix(in srgb,var(--turq) 35%,transparent);background:color-mix(in srgb,var(--turq) 10%,transparent)}
.reader-text.chunks-sentences .sentence-group{display:block;margin-block:.3em}
.reader-text.chunks-sentences .sentence{display:inline}
.reader-text.chunks-blocks .sentence-group{display:block;margin-block:.75em;padding:.55em .7em;border-inline-start:.2rem solid color-mix(in srgb,var(--purple) 55%,transparent);border-radius:.4rem;background:color-mix(in srgb,var(--lilac) 18%,transparent)}
@media(prefers-reduced-motion:reduce){.reader-text.focus-paragraph p[data-chapter],.reader-text.focus-line_guide p[data-chapter]{transition:none}.reader-text{scroll-behavior:auto}}
@media(max-width:520px){.reader-text .reading-guide{padding:.3rem .45rem}.reader-text.chunks-blocks .sentence-group{padding:.45em .5em}}
.reading-profiles{grid-column:1/-1;border:1px solid var(--line);border-radius:12px;padding:.8rem;background:color-mix(in srgb,var(--lilac) 16%,#fffdf8)}
.reading-profiles h3{margin:.1rem 0 .35rem}.reading-profiles>label{display:grid;gap:.25rem;max-width:30rem}.reading-profiles input{padding:.55rem;border:1px solid var(--line);border-radius:8px;background:#fff}.reading-profiles>button{margin:.55rem 0;padding:.55rem .8rem;border-radius:8px;background:var(--purple);color:#fff}.reading-profile-list{display:grid;gap:.55rem;margin-top:.55rem}.reading-profile-item{display:flex;align-items:center;gap:.5rem;flex-wrap:wrap;padding:.6rem;border-radius:9px;background:#fff}.reading-profile-item label{flex:1;min-width:12rem}.reading-profile-item input{width:100%}.reading-profile-item button{padding:.45rem .65rem;border-radius:8px;background:var(--lilac)}.reading-profile-item [data-apply-profile]{background:var(--turq)}

.reader-aids-section{margin:1rem auto;max-width:var(--reader-width,52rem);border:1px solid rgba(49,120,114,.25);border-radius:18px;background:#e5f1ed;overflow:hidden}.reader-aids-toggle{width:100%;display:flex;justify-content:space-between;align-items:center;text-align:left;padding:1rem 1.2rem;background:transparent}.reader-aids-toggle span:first-child{display:grid;gap:.2rem}.reader-aids-toggle small{color:var(--turq-deep);font-weight:800;letter-spacing:.12em}.reader-aids-toggle b{font-family:Georgia,serif;font-size:1.2rem;color:var(--purple-deep)}.reader-aids-toggle span:last-child{font-size:1.6rem}.reader-aids{display:grid;gap:.8rem;padding:0 1rem 1rem}.reader-aid{padding:1rem;border-radius:14px;background:var(--paper,#fbfbf6);border-top:2px solid var(--turq-deep)}.reader-aid h3{margin:.3rem 0;color:var(--purple-deep)}.reader-aid p{white-space:pre-wrap;line-height:1.6}.reader-aid-kind{font-size:.75rem;text-transform:uppercase;letter-spacing:.1em;font-weight:800;color:var(--turq-deep)}.reader-aid button{padding:.5rem .75rem;border-radius:999px;background:var(--purple);color:#fff}.aid-reader-answer{padding:.7rem;border-radius:10px;background:var(--lilac)}

/* Lector tipo ebook: una página lógica a la vez, con controles visibles y zonas laterales de toque. */
.reader-page-turns{display:grid;grid-template-columns:minmax(44px,1fr) auto minmax(44px,1fr);align-items:center;gap:.75rem;max-width:var(--reader-width,52rem);margin:1rem auto}.reader-page-turn{min-height:44px;padding:.65rem .9rem;border-radius:999px;background:var(--lilac);font-weight:800;touch-action:manipulation}.reader-page-turn:first-child{text-align:left}.reader-page-turn:last-child{text-align:right}.reader-page-turn:disabled{opacity:.42;cursor:not-allowed}.reader-page-turns output{font-size:.9rem;font-weight:700;text-align:center;color:var(--purple-deep)}.reader-text{min-height:min(58vh,46rem);touch-action:manipulation}.reader-text p[data-chapter]{cursor:pointer}.rsvp{position:sticky;z-index:3;bottom:1rem;display:grid;gap:1rem;max-width:min(42rem,calc(100% - 2rem));margin:1rem auto;padding:1.1rem;border:1px solid var(--line);border-radius:18px;background:var(--paper);box-shadow:0 14px 40px rgba(52,43,67,.2);text-align:center}.rsvp>#rsvpWord{min-height:2.4em;display:grid;place-items:center;font-size:clamp(2rem,8vw,4rem);font-weight:800;line-height:1.1;color:var(--purple-deep)}.rsvp-speed{display:grid;gap:.45rem;text-align:left}.rsvp-speed label{display:grid;grid-template-columns:auto 1fr;align-items:center;gap:.75rem;font-weight:700}.rsvp-speed input{width:100%;touch-action:manipulation}.rsvp-speed output{font-size:.9rem;color:var(--ink)}.rsvp-actions{display:flex;gap:.75rem;justify-content:center;flex-wrap:wrap}.rsvp-actions button{min-height:44px;padding:.65rem 1rem;border-radius:999px;background:var(--purple);color:#fff}.rsvp-actions #rsvpClose{background:var(--lilac);color:var(--ink)}
@media(max-width:520px){.reader-page-turns{gap:.5rem;margin:.75rem auto}.reader-page-turn{padding:.65rem;display:grid;place-items:center;font-size:1.45rem}.reader-page-turn span{font-size:.72rem}.reader-text{min-height:52vh;padding-inline:clamp(.8rem,4vw,1.2rem)}.rsvp{bottom:max(.75rem,env(safe-area-inset-bottom));margin-bottom:1rem}.rsvp-actions{display:grid;grid-template-columns:1fr 1fr}.rsvp-actions button{padding:.65rem .55rem}.rsvp-speed label{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){.rsvp,.reader-page-turn,.reader-text{transition:none!important}}