:root{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;--surface:#0f1418;--surface-raised:#ffffff0b;--line:#f7f0e31c;--line-strong:#f7f0e333;--ink:#f7f0e3;--ink-dim:#f7f0e3ad;--ink-faint:#f7f0e366;--accent:#e8b055;--accent-bright:#ffd692;--accent-soft:#e8b05529;--accent-line:#e8b05559;--warn:#e08a72;--white-key:#f6f2e9;--white-key-top:#fffdf7;--black-key:#1a2229;--black-key-top:#2e3d47;--gap:34px;--content-width:900px;color:var(--ink);background:var(--surface);font-family:Avenir Next,Avenir,Segoe UI,sans-serif;font-weight:400;line-height:1.5}*{box-sizing:border-box}body{background:radial-gradient(120% 70% at 50% -10%, #e8b0551f, transparent 60%), var(--surface);min-width:320px;min-height:100vh;margin:0}button{font:inherit;color:inherit}h1,h2{font-weight:inherit}#root{min-height:100vh}.app{width:min(100%, 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