:root{--bg:#0b1220;--fg:#e6edf7;--muted:#9fb0c5;--accent:#5eb1ff}body,html{padding:0;margin:0;background:var(--bg);color:var(--fg);font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial,Noto Sans,Apple Color Emoji,Segoe UI Emoji}a{color:var(--accent);text-decoration:none}.container{max-width:920px;margin:0 auto;padding:24px}.card{background:hsla(0,0%,100%,.04);border:1px solid hsla(0,0%,100%,.08);border-radius:16px;padding:16px}.button{background:var(--accent);color:#02101f;border:0;padding:10px 14px;font-weight:700;cursor:pointer}.button,.input{border-radius:12px}.input{width:100%;padding:10px 12px;border:1px solid hsla(0,0%,100%,.15);background:hsla(0,0%,100%,.06);color:var(--fg)}.label{color:var(--muted);font-size:12px}.stack{display:flex;gap:12px;flex-wrap:wrap}h1{font-size:28px;margin:0 0 12px}h2{font-size:20px;margin:24px 0 8px}.small{font-size:12px;color:var(--muted)}hr{border:none;border-top:1px solid hsla(0,0%,100%,.1);margin:20px 0}kbd{background:hsla(0,0%,100%,.1);padding:2px 6px;border-radius:6px;font-size:12px}