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120px)}.toc-footer{padding:var(--space-xl) var(--padding-mobile);border-top:1px solid var(--color-border)}.overlay{position:fixed;top:0;left:0;right:0;bottom:0;background-color:var(--color-overlay);z-index:var(--z-overlay);opacity:0;visibility:hidden;transition:opacity var(--transition-normal),visibility var(--transition-normal)}.overlay.active{opacity:1;visibility:visible}@media (min-width:600px){.header-content{padding:var(--space-lg) var(--padding-tablet)}.reader{padding:var(--padding-tablet)}.nav-footer{padding:var(--space-sm) var(--space-lg)}.toc-sidebar{width:280px}}@media (min-width:1024px){.reader{padding:var(--padding-tablet) var(--space-xl)}}.header-toggles{display:flex;gap:var(--space-sm);align-items:center}.reading-mode-toggle{display:flex;gap:0;background:var(--color-background-secondary);border:1px solid var(--color-border);border-radius:3px;overflow:hidden;transition:background-color var(--transition-fast),border-color var(--transition-fast)}.mode-btn{padding:4px 8px;font-family:var(--font-mono);font-size:var(--font-size-xs);text-transform:uppercase;letter-spacing:.5px;background:var(--color-background-secondary);color:var(--color-text-secondary);border:none;cursor:pointer;transition:all var(--transition-fast);white-space:nowrap}.mode-btn:hover{background:var(--color-accent-light);color:var(--color-text-primary)}.mode-btn.active{background:var(--color-text-primary);color:var(--color-background);font-weight:700}body.scrolling{overflow:auto;height:auto}body.scrolling .reader{overflow:visible}body.scrolling .chapter-body{margin-top:var(--space-2xl);margin-bottom:var(--space-2xl)}body.scrolling .page-container .scene-break,body.scrolling .page-container p{display:block!important}@media print{.header,.nav-footer,.overlay,.reading-mode-toggle,.toc-sidebar{display:none}body{padding:0}.reader{max-width:100%}}