:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media (prefers-color-scheme: light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}.controls .full-screen-btn.active{color:#ffeb3b}.controls .full-screen-btn.active:hover{color:#fff176}#root,body,html{margin:0;padding:0;width:100%;height:100%}.carousel{position:relative;width:100vw;height:100vh;background:#000;overflow:hidden}.carousel-image{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:contain;opacity:0;transition:opacity 1s ease-in-out;z-index:0}.carousel-image.visible{opacity:1}.overlay{position:absolute;bottom:1rem;left:1rem;right:1rem;color:#fff;background:#00000080;padding:1rem;border-radius:.5rem;opacity:0;transition:opacity .5s ease-in-out;pointer-events:none;z-index:1}.overlay.visible{opacity:1}.hide-cursor,.hide-cursor *{cursor:none!important}.overlay h2{margin:0 0 .5rem}.overlay .date{font-size:.9rem;opacity:.8;margin-top:-.5rem}.overlay .explanation{margin-top:.5rem;font-size:.95rem;max-height:50vh;overflow:hidden}.controls{position:absolute;top:1rem;left:1rem;right:1rem;display:flex;align-items:center;justify-content:space-between;gap:.5rem;opacity:0;transition:opacity .5s ease-in-out;pointer-events:none;z-index:2}.controls.visible{opacity:1;pointer-events:auto}.controls button,.controls .download-btn,.controls .info-btn,.controls .transition-select,.controls .duration-select{background:#000000b3;color:#fff;border:none;padding:.4rem .8rem;border-radius:.3rem;cursor:pointer;text-decoration:none;font-size:1.1rem;line-height:1;appearance:none;-webkit-appearance:none;-moz-appearance:none}.controls button:hover,.controls .download-btn:hover,.controls .info-btn:hover,.controls .transition-select:hover,.controls .duration-select:hover{background:#000000d9}.controls svg{display:inline-block;vertical-align:middle;width:1em;height:1em;fill:currentColor}.controls .info-btn{background:transparent;color:#fff;font-weight:700}.controls .info-btn:hover{background:#ffffff1a}.controls .menu-btn.active{color:#ffeb3b}.controls .menu-btn.active:hover{color:#fff176}.menu-dropdown{position:absolute;top:3rem;left:1rem;background:#000c;color:#fff;border-radius:.3rem;padding:.5rem;z-index:4;min-width:8rem}.menu-dropdown .menu-item.has-submenu{position:relative}.menu-dropdown .menu-item.has-submenu .submenu{display:none;position:absolute;top:0;left:calc(100% - .5rem);background:#000c;padding:.5rem;border-radius:.3rem;min-width:8rem;z-index:1}.menu-dropdown .menu-item.has-submenu:hover .submenu{display:block}.menu-dropdown .menu-item.top-level{font-weight:700}.menu-dropdown .menu-section{margin-bottom:.5rem}.menu-dropdown .menu-title{font-weight:700;margin-bottom:.25rem}.menu-dropdown .menu-item{display:block;width:100%;background:transparent;border:none;text-align:left;padding:.3rem .5rem;cursor:pointer;font-size:.9rem;color:#fff}.menu-dropdown .menu-item:hover{background:#ffffff1a}.menu-dropdown .menu-item.active{font-weight:700}.menu-dropdown .menu-item.active:before{content:"✔ "}.controls .ambient-btn.active{color:#ffeb3b}.controls .ambient-btn.active:hover{color:#fff176}.controls .trivia-btn.active{color:#ffeb3b}.controls .trivia-btn.active:hover{color:#fff176}.carousel.fade .carousel-image{transition:opacity 1s ease-in-out}.carousel.slide .carousel-image{transition:transform 1s ease-in-out,opacity 1s ease-in-out;transform:translate(100%);opacity:0}.carousel.slide .carousel-image.visible{transform:translate(0);opacity:1}.carousel.zoom .carousel-image{transition:transform 1s ease-in-out,opacity 1s ease-in-out;transform:scale(.8);opacity:0}.carousel.zoom .carousel-image.visible{transform:scale(1);opacity:1}.carousel.flip{perspective:1000px}.carousel.flip .carousel-image{backface-visibility:hidden;transition:transform .8s ease-in-out,opacity .8s ease-in-out;transform:rotateY(90deg);opacity:0}.carousel.flip .carousel-image.visible{transform:rotateY(0);opacity:1}.carousel.ambient .carousel-image.visible{animation:ambient-pan 18.75s ease-in-out infinite alternate}.fact-bubble{position:absolute;background:#0006;border:1px solid rgba(255,255,255,.5);min-width:200px;color:#fff;padding:1rem 2rem;border-radius:2rem;width:30%;display:flex;justify-content:center;align-items:center;text-align:center;animation:fact-pop .3s ease-out;z-index:5;font-size:1.2rem;line-height:1.3;font-weight:700;text-shadow:1px 1px 2px rgba(0,0,0,.5)}@keyframes fact-pop{0%{transform:scale(.5);opacity:0}to{transform:scale(1);opacity:1}}@keyframes fact-fade-out{0%{opacity:1}to{opacity:0}}.fact-bubble.exiting{animation:fact-fade-out 2s ease-in-out forwards}@keyframes ambient-pan{0%{transform:scale(1) translate(0)}to{transform:scale(1.1) translate(-5%,-5%)}}