:root{--text:#6b6375;--text-h:#08060d;--bg:#fff;--border:#e5e4e7;--code-bg:#f4f3ec;--accent:#aa3bff;--accent-bg:#aa3bff1a;--accent-border:#aa3bff80;--social-bg:#f4f3ec80;--shadow:#0000001a 0 10px 15px -3px, #0000000d 0 4px 6px -2px;--sans:system-ui, "Segoe UI", Roboto, sans-serif;--heading:system-ui, "Segoe UI", Roboto, sans-serif;--mono:ui-monospace, Consolas, monospace;font:18px/145% var(--sans);letter-spacing:.18px;color:var(--text);background:var(--bg);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}@media (width<=1024px){:root{font-size:16px}}:root{--text:#9ca3af;--text-h:#f3f4f6;--bg:#16171d;--border:#2e303a;--code-bg:#1f2028;--accent:#c084fc;--accent-bg:#c084fc26;--accent-border:#c084fc80;--social-bg:#2f303a80;--shadow:#0006 0 10px 15px -3px, #00000040 0 4px 6px -2px}#social .button-icon{filter:invert()brightness(2)}#root{text-align:center;box-sizing:border-box;flex-direction:column;max-width:100%;min-height:100svh;margin:0 auto;display:flex}body{margin:0;overflow-x:hidden}h1,h2{font-family:var(--heading);color:var(--text-h);font-weight:500}h1{letter-spacing:-1.68px;margin:32px 0}@media (width<=1024px){h1{margin:20px 0;font-size:36px}}h2{letter-spacing:-.24px;margin:0 0 8px;font-size:24px;line-height:118%}@media (width<=1024px){h2{font-size:20px}}p{margin:0}code,.counter{font-family:var(--mono);color:var(--text-h);border-radius:4px;display:inline-flex}code{background:var(--code-bg);padding:4px 8px;font-size:15px;line-height:135%}.piano{--white-w:44px;--white-h:180px;--black-w:28px;--black-h:110px;box-shadow:var(--shadow);background:#1a1a1a;border-radius:8px;padding:12px;display:inline-block}.piano-keys{height:var(--white-h);display:flex;position:relative}.piano .key{font:inherit;cursor:pointer;box-sizing:border-box;-webkit-user-select:none;user-select:none;justify-content:center;align-items:flex-end;margin:0;padding:0 0 8px;display:flex}.piano .white{width:var(--white-w);height:var(--white-h);color:#888;background:#fafafa;border:none;border-radius:0 0 4px 4px;position:relative;box-shadow:inset -1px 0 #2a2a2a}.piano .white:last-of-type{box-shadow:none}.piano .white:hover:not(:disabled){background:#e8e8e8}.piano .white:active:not(:disabled),.piano .white:focus-visible:not(:disabled){background:#d0d0d0;outline:none}.piano .black{width:var(--black-w);height:var(--black-h);color:#aaa;z-index:1;background:#111;border:1px solid #000;border-radius:0 0 3px 3px;position:absolute;top:0;box-shadow:0 2px 4px #00000080}.piano .black:hover:not(:disabled){background:#2a2a2a}.piano .black:active:not(:disabled),.piano .black:focus-visible:not(:disabled){background:#444;outline:none}.piano .key:disabled{cursor:default}.piano 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