:root{--paper: #f4ede0;--paper-deep: #ebe2d0;--paper-warm: #f7f1e4;--ink: #1f1b16;--ink-soft: #5a4f3f;--ink-faint: #8a7e6a;--vermillion: #b8412c;--vermillion-soft: #d96849;--rule: #d4c8b0;--rule-soft: #e3d9c2;--shadow: rgba(60, 40, 20, .08)}html,body{height:100%;background:var(--paper);background-image:radial-gradient(ellipse at top left,rgba(184,65,44,.04),transparent 50%),radial-gradient(ellipse at bottom right,rgba(90,79,63,.06),transparent 60%);background-attachment:fixed}.reader-root{color:var(--ink);font-family:Newsreader,Georgia,serif;font-size:18px;line-height:1.7;-webkit-font-smoothing:antialiased;height:100vh;height:100dvh;width:100%;max-width:100vw;overflow:hidden;position:relative}.folio-bar{position:fixed;top:0;left:0;right:0;z-index:10;padding:calc(12px + var(--safe-top)) 0 14px;background:linear-gradient(to bottom,#f4ede0f5,#f4ede0e0 70%,#f4ede000);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);pointer-events:none;animation:folio-fade-in .28s ease-out 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