:root{color-scheme:light dark;--bg:#0f1419;--fg:#e7ecf3;--muted:#8b98a5;--accent:#3b82f6;--card:#1a2332;--border:#2a3544;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}body{margin:0;min-height:100vh;background:var(--bg);color:var(--fg)}a{color:var(--accent)}main{max-width:960px;margin:0 auto;padding:2rem 1.25rem}.card{background:var(--card);border:1px solid var(--border);border-radius:10px;padding:1rem 1.25rem;margin-bottom:1rem}button{cursor:pointer;background:var(--accent);color:white;border:none;border-radius:8px;padding:.5rem 1rem;font-size:1rem}button.secondary{background:transparent;border:1px solid var(--border);color:var(--fg)}input,textarea{width:100%;box-sizing:border-box;padding:.5rem .65rem;border-radius:8px;border:1px solid var(--border);background:#111822;color:var(--fg)}label{display:block;font-size:.85rem;margin-bottom:.25rem}.muted,label{color:var(--muted)}.muted{font-size:.9rem}