:root { color-scheme: dark; }
* { box-sizing: border-box; }
body { margin: 0; background: #0b0f0d; color: #cbd5e1; font: 16px/1.65 ui-sans-serif, system-ui, -apple-system, 'Segoe UI', sans-serif; }
header, main, footer { width: 100%; max-width: 52rem; margin: 0 auto; padding: 0 1.25rem; }
header { padding-top: 1.5rem; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 0.75rem; }
.brand { color: #34d399; font-weight: 900; font-size: 1.5rem; letter-spacing: -0.02em; text-decoration: none; }
.play { background: #10b981; color: #022c22; font-weight: 800; padding: 0.5rem 1.1rem; border-radius: 0.6rem; text-decoration: none; }
.play:hover { background: #34d399; }
h1 { color: #fff; font-size: 2rem; line-height: 1.2; margin: 2rem 0 0.25rem; }
h2 { color: #6ee7b7; font-size: 1.25rem; margin: 2rem 0 0.5rem; }
h3 { color: #e2e8f0; font-size: 1.05rem; margin: 1.25rem 0 0.25rem; }
a { color: #6ee7b7; }
.updated { color: #64748b; font-size: 0.875rem; margin: 0; }
table { width: 100%; border-collapse: collapse; margin: 0.5rem 0 1rem; font-size: 0.95rem; }
th, td { text-align: left; padding: 0.45rem 0.6rem; border-bottom: 1px solid rgba(255,255,255,0.1); vertical-align: top; }
th { color: #e2e8f0; }
kbd { background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.2); border-radius: 0.3rem; padding: 0 0.35rem; font-size: 0.85em; color: #fff; }
footer { margin-top: 3rem; padding-top: 1.25rem; padding-bottom: 2rem; border-top: 1px solid rgba(255,255,255,0.1); font-size: 0.875rem; color: #64748b; }
footer nav { display: flex; flex-wrap: wrap; gap: 0.5rem 1.25rem; margin-bottom: 0.5rem; }