:root{color-scheme:light dark;--bg:#0b0d10;--panel:#15181d;--border:#22262d;--fg:#e6e8eb;--muted:#9aa3ad;--accent:#4f8cff;--accent-ink:#ffffff;--danger:#ff5577}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--bg);color:var(--fg);font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}code,pre{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}.btn,button{cursor:pointer;display:inline-block;border:1px solid var(--border);background:var(--panel);color:var(--fg);padding:.55rem 1rem;border-radius:8px;font-size:.95rem;font-weight:500}.btn-primary{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}.btn-primary:hover{filter:brightness(1.1)}.btn-ghost{background:transparent}input{background:#0f1216;color:var(--fg);border:1px solid var(--border);padding:.55rem .75rem;border-radius:8px;font-size:.95rem;width:100%}input:focus{outline:2px solid var(--accent);outline-offset:-1px}.container{max-width:960px;margin:0 auto;padding:2rem 1.25rem}.card{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:1.5rem}.row{display:flex;gap:.75rem;align-items:center}.muted{color:var(--muted)}.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}nav{display:flex;align-items:center;justify-content:space-between;padding:1rem 1.25rem;border-bottom:1px solid var(--border);background:var(--bg)}nav .brand{font-weight:700;font-size:1.1rem;letter-spacing:-.01em}nav .links a{margin-left:1rem;color:var(--muted)}nav .links a:hover{color:var(--fg);text-decoration:none}.hero{padding:5rem 1.25rem 3rem;text-align:center}.hero h1{font-size:2.75rem;margin:0 0 .75rem;letter-spacing:-.02em}.hero p.lead{font-size:1.1rem;color:var(--muted);max-width:42rem;margin:0 auto 2rem}.hero .cta{display:flex;gap:.75rem;justify-content:center;flex-wrap:wrap}pre.block{background:#0f1216;border:1px solid var(--border);border-radius:10px;padding:1rem;overflow-x:auto;font-size:.9rem}.grid3{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));grid-gap:1rem;gap:1rem;margin-top:2.5rem}.feature h3{margin:0 0 .5rem;font-size:1rem}.feature p{margin:0;color:var(--muted);font-size:.9rem}.form-card{max-width:24rem;margin:4rem auto}.form-card label{display:block;margin-bottom:1rem;font-size:.9rem;color:var(--muted)}.form-card label input{margin-top:.4rem}.form-card .error{color:var(--danger);margin-bottom:1rem;font-size:.9rem}.form-card .footer{margin-top:1rem;color:var(--muted);font-size:.9rem;text-align:center}.token-row{display:flex;gap:.5rem;align-items:center}.token-row input{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.85rem}.copy-btn{white-space:nowrap}