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var(--theme-switch-accent);outline-offset:3px}.books-visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap}@media screen and (max-width:640px){.books-theme-label{display:none}}@media screen and (max-width:420px){.books-theme-options button{min-width:2.9rem;padding-inline:.4rem}.books-theme-options button[aria-pressed=true]{padding-left:.9rem}.books-theme-options button[aria-pressed=true]:before{left:.4rem}}:root{--library-bg: #e9e7df;--library-surface: #f4f2eb;--library-surface-solid: #faf9f4;--library-surface-muted: #dedbd1;--library-text: #171816;--library-muted: #5d5e58;--library-subtle: #81827b;--library-border: #bbb8ae;--library-border-strong: #77776f;--library-accent: #e0522d;--library-accent-strong: #b83d20;--library-accent-soft: #f3d5c8;--library-overlay-shadow: 8px 10px 0 rgba(23, 24, 22, .16);--library-overlay-shadow-compact: 4px 5px 0 rgba(23, 24, 22, .14);--library-cover-shadow: 2px 3px 0 rgba(23, 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