/* Four functional chapters, with paper leaves and persistent music. */
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@media(max-width:1050px){.chapter-tabs>button{min-width:130px;padding-left:12px;padding-right:12px;font-size:11px}.chapter-front{padding:28px}.music-spread{gap:40px}.music-greeting h1{font-size:41px}.music-feature h2{font-size:27px}.music-feature .music-square{width:212px;height:212px}.music-feature .cassette{width:177px;height:140px}.chapter-heading h1{font-size:42px}.feature-gallery{gap:25px 20px}.memory-polaroid figcaption{font-size:21px}.tracker-grid{gap:20px}.person-tracker{padding:20px 17px}.person-tracker>header img{width:64px;height:64px}.person-tracker h2{font-size:29px}.profile-state{font-size:7px;max-width:65px}.music-greeting .inside-characters img{width:112px;height:128px}.music-greeting .inside-characters .handwritten{font-size:17px}}
@media(max-width:800px){.chapter-tabs{gap:6px;padding-left:6px}.chapter-tabs>button{min-width:0;flex:1;font-size:10px;padding:9px 10px;gap:7px}.chapter-tabs img{width:23px;height:23px}.tab-number{font-size:7px}.chapter-front{padding:25px}.chapter-heading{gap:12px}.chapter-heading h1{font-size:39px}.chapter-heading p{font-size:11px}.chapter-heading .small-button{font-size:10px;padding:8px 11px}.chapter-heading .eyebrow{font-size:7px}.music-spread{gap:32px}.music-greeting h1{font-size:36px}.music-greeting>p{font-size:11px}.music-feature{padding-left:2px;padding-right:2px}.music-feature .eyebrow{font-size:7px}.music-feature h2{font-size:25px}.music-feature .music-square{width:185px;height:185px}.music-feature .cassette{width:155px;height:125px}.music-feature .cassette-caption{font-size:17px}.feature-gallery{grid-template-columns:1fr 1fr}.letters-layout{gap:20px}.writing-card{padding:16px}.letter-paper{padding:18px}.letter-paper h2{font-size:28px}.poem-body{font-size:24px}.person-tracker{padding:19px 14px}.person-tracker h2{font-size:27px}.person-tracker>header{gap:8px}.person-tracker>header img{width:55px;height:55px}.profile-state{font-size:6px;max-width:58px}.tracker-section-title h3{font-size:17px}.tracker-section-title button{font-size:8px}.book-topline .hand-note{font-size:20px}.book-topline .eyebrow{font-size:7px}}
@media(max-width:700px){.inside-scene{padding:27px 23px 34px}.book-topline{margin-bottom:22px;gap:14px}.book-topline .eyebrow{font-size:6px;max-width:140px;line-height:1.6;letter-spacing:.12em}.book-topline .hand-note{font-size:19px;max-width:160px;text-align:right;line-height:1.1}.chapter-tabs{padding-left:0;gap:5px}.chapter-tabs>button{font-size:9px;gap:5px;padding:9px 8px 10px;min-height:45px;flex-direction:column;justify-content:center;position:relative;line-height:1.25}.chapter-tabs img{display:none}.chapter-tabs .tab-number{font-size:6px;line-height:1}.chapter-tabs>button.active{padding-top:13px}.chapter-book{height:clamp(560px,calc(100svh - 235px),710px);touch-action:pan-y;perspective:1450px}.chapter-front{padding:24px 22px;overflow:hidden}.chapter-front:after{border-radius:3px 6px 6px 3px}.chapter-heading{display:block;padding:0 0 16px;margin-bottom:17px}.chapter-heading h1{font-size:35px;margin:10px 0}.chapter-heading p{font-size:10px;max-width:270px}.chapter-heading .eyebrow{font-size:6px;letter-spacing:.13em}.chapter-heading>.small-button{margin-top:14px;font-size:9px;min-height:32px;padding:7px 11px}.music-spread{display:block;overflow-y:auto;padding-right:3px}.music-spread:after{display:none}.music-greeting{padding:0}.music-greeting .eyebrow{font-size:6px}.music-greeting h1{font-size:32px;line-height:1.06;margin:13px 0 11px}.music-greeting h1 br{display:none}.music-greeting h1 br:after{content:' '}.music-greeting h1 em{display:inline-block;margin:0 5px 0 0}.music-greeting>p{font-size:10px;line-height:1.7}.music-greeting .inside-characters{display:none}.music-feature{padding:23px 0 3px;text-align:center}.music-feature>.eyebrow{font-size:6px;letter-spacing:.12em}.music-feature h2{font-size:24px;margin:10px 0 26px}.music-feature .music-square{width:182px;height:182px}.music-feature .cassette{width:153px;height:121px}.music-feature .cassette-caption{font-size:16px}.music-feature .square-top{font-size:5px;top:11px;left:12px;letter-spacing:.1em}.music-feature .square-star{right:8px;bottom:10px}.music-feature .song-details{margin-top:22px}.music-feature .song-details h3{font-size:13px}.music-feature .song-details p{font-size:10px}.music-feature .music-controls{margin-top:13px;gap:10px}.music-feature .music-control{padding:8px 16px;min-width:88px;font-size:10px}.music-feature .music-state{font-size:8px;margin-top:10px}.one-song-note{font-size:16px;margin-top:16px}.available-songs{margin-top:15px;padding-top:7px}.available-songs button{font-size:10px;padding:8px 5px}.chapter-navigation{margin-top:17px}.chapter-navigation button{font-size:11px}.chapter-navigation>span{font-size:8px}.chapter-swipe-note{display:block;font-size:17px;max-width:300px;margin-left:auto;margin-right:auto}.book-sync{font-size:8px;align-items:start;margin-top:18px;gap:10px}.book-sync>span{max-width:245px}.feature-gallery{grid-template-columns:repeat(2,minmax(0,1fr));gap:27px 16px;padding:12px 6px 20px}.memory-polaroid{padding:7px 7px 10px}.memory-polaroid img{aspect-ratio:4/4.5}.memory-polaroid figcaption{font-size:19px;margin-top:10px}.memory-polaroid small{font-size:6px;line-height:1.4;margin-top:7px}.memory-polaroid:before{height:17px;width:55px;left:calc(50% - 27px);top:-8px}.writing-filters{margin:0 0 17px;gap:3px}.writing-filters button{font-size:10px;padding:5px 10px}.letters-layout{display:block;padding-right:3px}.letters-layout #letter-reader{display:none}.writing-card{padding:20px;margin-bottom:20px}.writing-card h2{font-size:27px}.writing-card p{font-size:22px}.writing-card>span{font-size:7px}.writing-empty{padding:30px 14px}.writing-empty h2{font-size:28px}.writing-empty p{font-size:11px}.writing-empty img{height:67px;width:55px;margin-bottom:18px}.writing-empty .small-button{font-size:9px}.tracker-grid{display:block;padding-right:4px}.person-tracker{padding:20px 17px;margin-bottom:22px}.person-tracker>header{gap:11px}.person-tracker>header img{width:66px;height:66px}.person-tracker h2{font-size:30px}.person-tracker>header .eyebrow{font-size:6px}.profile-state{font-size:7px;max-width:70px}.latest-update{padding:13px}.latest-update>p{font-size:11px}.tracker-field>span{font-size:9px}.tracker-field input,.tracker-field textarea{font-size:11px;padding:9px}.tracker-section-title h3{font-size:18px}.tracker-section-title button{font-size:8px}.target-row label,.timeline-entry p{font-size:11px}.floating-music{width:320px;padding:10px 12px;bottom:11px;gap:10px}.floating-music>img{width:31px;height:29px}.floating-song-link strong{font-size:10px}.floating-song-link>span{font-size:7px}.floating-control{width:28px;height:28px;padding:7px}.floating-control svg{width:12px;height:12px}.feature-modal-inner{padding:25px 22px}.feature-modal-inner>header h2{font-size:29px}.feature-form-row{gap:12px}.feature-field input,.feature-field select,.feature-field textarea{font-size:12px;padding:10px}.feature-field .writing-input{font-size:24px}.feature-form-hint{font-size:10px}.feature-modal-inner footer{gap:18px;font-size:11px}.feature-modal-inner footer .small-button{font-size:10px}.photo-reader{max-height:62dvh}}
@media(max-width:370px){.inside-scene{padding-left:19px;padding-right:19px}.book-topline .hand-note{font-size:17px;max-width:145px}.book-topline .eyebrow{font-size:5px;max-width:110px}.chapter-tabs>button{font-size:8px;padding-left:5px;padding-right:5px;gap:4px}.chapter-front{padding:22px 18px}.chapter-heading h1{font-size:32px}.chapter-heading p{font-size:9px}.music-greeting h1{font-size:28px}.music-greeting>p{font-size:9px}.music-feature h2{font-size:23px}.feature-gallery{gap:25px 13px;padding-left:3px;padding-right:3px}.memory-polaroid figcaption{font-size:17px}.person-tracker{padding:18px 13px}.person-tracker>header img{width:56px;height:56px}.person-tracker h2{font-size:27px}.profile-state{font-size:6px;max-width:60px}.tracker-section-title h3{font-size:16px}.tracker-section-title button{font-size:7px}.chapter-swipe-note{font-size:15px}.book-sync{font-size:7px}.chapter-navigation button{font-size:10px}.feature-form-row{grid-template-columns:1fr}.feature-form-row:has(select[name=by]){grid-template-columns:1fr 1fr}}
.memory-polaroid img{height:auto}.available-songs button{line-height:1.5;border-left:2px solid transparent}.available-songs button small{display:block;color:var(--muted);font-size:9px}.available-songs button[aria-pressed=true]{border-left-color:var(--pink);background:#e9a9bb19}.music-feature .song-details h3{overflow-wrap:anywhere}.music-feature .song-details p{max-width:280px;margin-left:auto;margin-right:auto;line-height:1.5}.chapter-heading .small-button{white-space:nowrap}
@media(max-width:700px){.password-field input,.tracker-field input,.tracker-field textarea,.feature-field input,.feature-field select{font-size:16px}.tracker-field input{min-height:43px}.password-field input{height:43px}.password-field input::placeholder{font-size:11px}.tracker-field input::placeholder,.tracker-field textarea::placeholder{font-size:11px}.feature-field input::placeholder{font-size:12px}.available-songs button small{font-size:8px}.music-greeting h1{font-size:27px;line-height:1.12}.music-greeting h1 br{display:initial}.music-greeting h1 br:first-of-type{display:none}.music-greeting>p{font-size:9px}.music-feature{padding-top:18px}.music-feature h2{font-size:22px;margin:10px 0 24px}.music-feature .music-square{width:165px;height:165px}.music-feature .cassette{width:140px;height:111px}.music-feature .cassette-caption{font-size:15px}.feature-gallery{gap:26px 16px}.music-feature .song-details{margin-top:20px}}
@media(prefers-reduced-motion:reduce){.chapter-sheet{transition:none}.turning .chapter-front:after{animation:none}}
@media(max-width:700px){#track-form .feature-form-row{grid-template-columns:1fr}#track-form textarea{font-size:16px;min-height:94px}#track-form .feature-field input,#track-form .feature-field select{min-width:0;width:100%}.journey-entry .journey-collage{gap:23px 12px}}
.book-scrollbar{display:none}
@media(max-width:700px){
  .chapter-front .sheet-scroll,.chapter-front .music-spread,#feature-modal-content{overscroll-behavior-y:contain;touch-action:pan-y pinch-zoom;scrollbar-width:none;-webkit-overflow-scrolling:touch}
  .chapter-front .sheet-scroll::-webkit-scrollbar,.chapter-front .music-spread::-webkit-scrollbar,#feature-modal-content::-webkit-scrollbar{display:none}
  .chapter-front .has-thumb-scroll{padding-right:25px}
  .book-scrollbar:not([hidden]){position:absolute;right:0;z-index:4;width:44px;display:flex;flex-direction:column;align-items:center;gap:4px;padding:2px 0;touch-action:none;user-select:none;-webkit-user-select:none;overscroll-behavior:contain}
  .book-scroll-arrow{width:44px;height:44px;flex:0 0 44px;display:grid;place-items:center;font-size:21px;line-height:1;background:#e1eaf1;border:1px solid #172b4d25;border-radius:7px;color:var(--navy);touch-action:none}
  .book-scroll-arrow:disabled{color:#172b4d45;background:#f3efe8;cursor:default}
  .book-scroll-arrow:active:not(:disabled){background:var(--pink)}
  .book-scroll-track{position:relative;width:44px;min-height:0;flex:1;touch-action:none;cursor:pointer}
  .book-scroll-track:before{content:'';position:absolute;top:0;bottom:0;width:7px;left:18px;border-radius:8px;background:#172b4d10}
  .book-scroll-thumb{position:absolute;top:0;left:0;width:44px;min-height:0;display:grid;place-items:center;touch-action:none;cursor:grab;outline-offset:-3px}
  .book-scroll-thumb:before{content:'';position:absolute;inset:0 6px;border:1px solid #172b4d35;border-radius:8px;background:#e9a9bb;box-shadow:1px 2px 0 #172b4d12}
  .book-scroll-thumb>span{position:relative;pointer-events:none;color:#755265;font-size:23px;line-height:1}
  .book-scrollbar.dragging .book-scroll-thumb{cursor:grabbing}
  .book-scrollbar.dragging .book-scroll-thumb:before{background:#d98ca4;border-color:var(--navy)}
  .feature-dialog{position:fixed;overflow:hidden;overscroll-behavior:contain}
  #feature-modal-content{max-height:calc(100dvh - 38px);overflow-y:auto;min-height:0}
  #feature-modal-content.has-thumb-scroll{padding-right:23px}
}