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@layer theme{:root,:host{--font-sans:ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--spacing:.25rem;--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}}@layer base{*,:after,:before,::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color 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var(--ink);align-self:center;font-size:clamp(9rem,44vw,22rem);font-weight:1000;line-height:.8}.countdown-screen.is-calibrating strong{font-size:clamp(4rem,20vw,10rem)}.countdown-screen h2{color:#fff;text-shadow:3px 3px 0 var(--ink);margin:0;font-size:clamp(1.1rem,5vw,2rem);font-weight:950}.play-screen{--progress:100%;touch-action:manipulation;-webkit-user-select:none;user-select:none;background:linear-gradient(135deg,#35cdfc,#4cde8d);place-items:center;transition:background .12s;display:grid}.play-screen.flash-correct{background:var(--green)}.play-screen.flash-skipped{background:var(--red)}.progress-track{z-index:5;background:#ffffff8c;height:11px;position:absolute;top:0;left:0;right:0}.progress-track i{width:var(--progress);background:var(--pink);border-right:3px solid var(--ink);height:100%;transition:width .15s linear;display:block}.play-meta{top:max(23px, env(safe-area-inset-top));right:max(18px, env(safe-area-inset-right));left:max(18px, 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