:root{--green: #0d5c3f;--green-dark: #094230;--green-mid: #1c8a5e;--green-soft: #eef5f1;--gray: #8a9590;--gray-soft: #eef1f0;--cream: #fbfcfb;--paper: #ffffff;--ink: #13201b;--muted: #5d6b64;--line: #e6eae8;--line-strong: #d6ddd9;--danger: #c2492f;--shadow-sm: 0 1px 2px rgba(12,40,28,.05), 0 1px 3px rgba(12,40,28,.07);--shadow-md: 0 8px 24px -10px rgba(12,40,28,.18);--shadow-lg: 0 24px 60px -22px rgba(12,40,28,.3);--radius: 16px;--radius-sm: 12px;--font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--stage: #333333;--controls-bg: rgba(26, 26, 26, .82);--reader-white: rgba(255, 255, 255, .92);--reader-dim: rgba(255, 255, 255, .55);--track: rgba(255, 255, 255, .28)}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;font-family:var(--font);background:var(--cream);color:var(--ink);line-height:1.55;-webkit-font-smoothing:antialiased}button{font-family:var(--font);cursor:pointer}.header{position:sticky;top:0;z-index:50;display:flex;align-items:center;gap:12px;background:#fbfcfbd1;backdrop-filter:saturate(180%) blur(14px);-webkit-backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid var(--line);color:var(--green-dark);padding:11px 20px}.header .titles{display:flex;flex-direction:column}.header .app-name{font-weight:800;font-size:17px;letter-spacing:-.02em;line-height:1.15}.header .app-sub{font-size:12.5px;color:var(--muted)}.app-icon{display:inline-flex;border-radius:24%;overflow:hidden;box-shadow:0 4px 10px -3px #09423066;flex:none}.app-icon svg{width:100%;height:100%;display:block}.library{max-width:1080px;margin:0 auto;padding:36px 20px 80px}.library 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#00000059}.flip-overlay .under.left{left:0;border-radius:2px 0 0 2px}.flip-overlay .under.right{right:0;border-radius:0 2px 2px 0}.leaf{position:absolute;top:0;width:50%;height:100%;transform-style:preserve-3d;will-change:transform}.leaf.fwd{right:0;transform-origin:left center;animation:leaf-fwd .52s cubic-bezier(.45,.05,.55,.95) both}.leaf.back{left:0;transform-origin:right center;animation:leaf-back .52s cubic-bezier(.45,.05,.55,.95) both}@keyframes leaf-fwd{0%{transform:rotateY(0)}to{transform:rotateY(-180deg)}}@keyframes leaf-back{0%{transform:rotateY(0)}to{transform:rotateY(180deg)}}.leaf .face{position:absolute;top:0;right:0;bottom:0;left:0;backface-visibility:hidden;-webkit-backface-visibility:hidden;background:#fff;overflow:hidden}.leaf .face.rear{transform:rotateY(180deg)}.leaf .face img,.flip-overlay .under{display:block;object-fit:fill}.leaf .face img{width:100%;height:100%}.leaf .face:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;animation:leaf-shade 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