:root{--bg:#0d1117;--panel:#161b22;--panel2:#21262d;--text:#c9d1d9;--muted:#8b949e;--accent:#58a6ff;--accent2:#3fb950;--border:#30363d;--warn:#d29922}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,sans-serif;line-height:1.65}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.wrap{max-width:1120px;margin:0 auto;padding:0 20px}.nav{position:sticky;top:0;z-index:2;background:rgba(13,17,23,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--border)}.nav .wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:64px}.brand{font-weight:800;color:var(--text)}.links{display:flex;flex-wrap:wrap;gap:14px}.links a{color:var(--muted);font-size:.95rem}.hero{padding:92px 0 64px;text-align:center}.hero h1{font-size:clamp(2.4rem,7vw,5.2rem);line-height:1.02;margin:.2rem 0 1rem;background:linear-gradient(135deg,#58a6ff 0%,#3fb950 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.lead{font-size:1.22rem;color:var(--muted);max-width:820px;margin:0 auto 28px}.badge{display:inline-block;border:1px solid var(--border);background:var(--panel);color:var(--muted);border-radius:999px;padding:6px 12px;margin:4px;font-size:.9rem}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px;margin:28px 0}.card{background:var(--panel);border:1px solid var(--border);border-radius:14px;padding:22px}.card h2,.card h3{margin-top:0}.section{padding:48px 0;border-top:1px solid var(--border)}.code{background:#06090f;border:1px solid var(--border);border-radius:12px;padding:18px;overflow:auto}.code pre{margin:0;color:#e6edf3;font-family:ui-monospace,SFMono-Regular,Consolas,"Liberation Mono",monospace;font-size:.92rem}.btns{display:flex;justify-content:center;gap:12px;flex-wrap:wrap;margin:26px 0}.btn{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--border);border-radius:8px;padding:11px 16px;color:var(--text);background:var(--panel)}.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}.btn.quiet{color:var(--muted)}.note{border-left:4px solid var(--accent);padding:10px 16px;background:rgba(88,166,255,.08);border-radius:0 8px 8px 0}.warn{border-left-color:var(--warn);background:rgba(210,153,34,.08)}.ok{border-left-color:var(--accent2);background:rgba(63,185,80,.08)}.crumbs{color:var(--muted);font-size:.95rem;margin:26px 0}.footer{border-top:1px solid var(--border);padding:32px 0;color:var(--muted);font-size:.95rem}.list li{margin:9px 0}label{display:block;margin:12px 0 6px;color:var(--muted)}input,textarea{width:100%;padding:12px;border:1px solid var(--border);border-radius:8px;background:#06090f;color:var(--text)}textarea{min-height:160px}.small{font-size:.92rem;color:var(--muted)}