:root{--bg:#f7f9fc;--bg2:#f4f6f8;--fg:#121820;--muted:#5f6b78;--line:#e3e8ee;--accent:#1d4f8c;--sans:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;--mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--fg);font-family:var(--sans);line-height:1.55}
.page{background:#fff;border:1px solid var(--line);border-radius:16px;padding:1.5rem 2rem;margin:1.5rem 0}
h1,h2{font-family:'Bricolage Grotesque',Georgia,serif;letter-spacing:-.01em;color:var(--accent)}
.banner{background:linear-gradient(135deg,#1d4f8c,#2a6cb8);border-radius:12px;padding:1.4rem 1.2rem;margin:1.6rem 0;text-align:center;color:#fff}.banner b{display:block;margin-bottom:.7rem;font-size:1rem}.banner .btn{background:#fff;color:var(--accent);border:0}
.tools{display:flex;justify-content:space-between;align-items:center;gap:1rem;flex-wrap:wrap;margin:.6rem 0}
.btn.small{padding:.4rem .9rem;font-size:.82rem}
nav .brand{font-family:var(--sans)}
.wrap{max-width:1100px;margin:0 auto;padding:0 16px}.wrap.narrow{max-width:820px}
nav{display:flex;justify-content:space-between;align-items:center;padding:1rem 0;border-bottom:1px solid var(--line);gap:1rem;flex-wrap:wrap}
.brand{font-weight:800;letter-spacing:-.01em;text-decoration:none;color:var(--fg)}.brand span{color:var(--accent)}
section{padding:2rem 0}h1{font-size:1.8rem;margin:.2rem 0 .8rem}h2{font-size:1.2rem;margin:2rem 0 .4rem}
.muted{color:var(--muted);font-size:.9rem}a{color:var(--accent)}
.btn{display:inline-block;padding:.65rem 1.2rem;border-radius:999px;font-weight:600;font-size:.92rem;text-decoration:none;cursor:pointer;border:1px solid var(--line);background:var(--bg2);color:var(--fg)}
.btn.primary{background:var(--accent);color:#fff;border-color:var(--accent)}.actions{display:flex;gap:.6rem;flex-wrap:wrap;margin:1rem 0}
pre.tg{background:#eaf3fb;color:#121820;border:1px solid #d6e4f2;padding:1rem 1.2rem;border-radius:12px;font-family:var(--mono);font-size:.86rem;white-space:pre-wrap;overflow:auto}
table{width:100%;border-collapse:collapse;font-size:.86rem;font-family:var(--mono)}th,td{padding:.45rem .5rem;border-bottom:1px solid var(--line);text-align:right}th:first-child,td:first-child,th:nth-child(2),td:nth-child(2){text-align:left}th{font-family:var(--sans);font-weight:600;color:var(--muted)}
thead th{background:#eaf3fb;color:var(--accent)}
tbody tr:nth-child(even){background:#fafcfe}
@media(max-width:600px){table{font-size:.75rem}th,td{padding:.35rem .3rem}}

@media(max-width:700px){.wrap.narrow .page{padding:1rem 1rem}table{display:block;overflow-x:auto;white-space:nowrap;-webkit-overflow-scrolling:touch}#instr{white-space:normal}#instr td{min-width:160px}nav{flex-direction:column;align-items:flex-start}h1{font-size:1.5rem}}