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var(--rule)}.partner-toggle-btn{background:transparent;border:none;color:var(--copper);cursor:pointer;min-height:44px;display:inline-flex;align-items:center;margin-top:auto;padding:.5rem 0;font-weight:500}.copper-field.bg-media-section:before{content:"";position:absolute;inset:0;z-index:1;background:var(--copper-field);mix-blend-mode:multiply;opacity:.92}.copper-field.bg-media-section .bg-media{opacity:.9;z-index:0}.copper-field.bg-media-section>:not(.bg-media){z-index:2}#reading-progress{position:fixed;top:0;left:0;height:2px;background:var(--copper);width:0;z-index:200;transition:width 80ms linear}.logo-dark-variant{display:inline-block}.logo-light-variant{display:none}@media (prefers-color-scheme:dark){html:not([data-theme=light]) .logo-dark-variant{display:none}html:not([data-theme=light]) .logo-light-variant{display:inline-block}}html[data-theme=dark] .logo-dark-variant{display:none}html[data-theme=dark] .logo-light-variant{display:inline-block}.bg-media-section 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